:root {
  --brand: #ffe5b4;
  --brand-hover: #ffdab9;
  --accent-blue-baby: #b4ceff;
  --accent-blue: #3b82f6;
  --accent-lavender: #c084fc;
  --accent-rose: #fb7185;
  --nav-correct-border: #1fb37a;
  --nav-correct-bg: #e9f7f0;
  --nav-incorrect-border: #ea5a6b;
  --nav-incorrect-bg: #fff1f2;
  --brand-success-bg: #b4ceff;
  --brand-success-text: #1e3a8a;
  --brand-warning-bg: #ffedd5;
  --brand-warning-text: #9a3412;
  --success: #16a34a;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --brand-blue: #3b82f6;
  --bg-app: #f9fafb;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f3f4f6;
  --bg-surface-warm: #fff7ed;
  --surface: var(--bg-surface);
  --surface-alt: var(--bg-surface-alt);
  --text: #111827;
  --text-secondary: #4b5563;
  --text-disabled: #9ca3af;
  --text-muted: #9ca3af;
  --text-on-brand: #1f2937;
  --muted: #6b7280;
  --brand-dark: #1f2937;
  --border: #e5e7eb;
  --shadow-1: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-2: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 15px rgba(255, 229, 180, 0.5);
  --white: #fff;
  --border-subtle: rgba(15, 23, 42, 0.08);
  --surface-interactive: rgba(255, 255, 255, 0.94);
  --surface-interactive-hover: rgba(234, 241, 255, 0.9);
  --radius-sm: 12px;
  --radius-4: 4px;
  --radius-12: 12px;
  --radius-14: 14px;
  --radius-btn: 12px;
  --radius-md: 20px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  --duration-fast: 150ms;
  --duration-base: 0.2s;
  --ease-standard: ease;
  --transition-surface: background-color var(--duration-base) var(--ease-standard),
    border-color var(--duration-base) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
  --space-1: 0.25rem;
  --space-0-5: 0.125rem;
  --space-0-75: 0.1875rem;
  --space-2: 0.5rem;
  --space-2-5: 0.625rem;
  --space-3: 0.75rem;
  --space-1-5: 0.375rem;
  --space-3-5: 0.875rem;
  --space-4: 1rem;
  --space-4-5: 1.125rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-20: 1.25rem;
  --space-22: 1.375rem;
  --space-28: 1.75rem;
  --space-36: 2.25rem;
  --space-40: 2.5rem;
  --space-56: 3.5rem;
  --space-60: 3.75rem;
  --space-72: 4.5rem;
  --space-80: 5rem;
  --space-96: 6rem;
  --container-pad-x: clamp(var(--space-4), 2vw, var(--space-6));
  --container-max-width: 1400px;
  --container-width: min(100%, var(--container-max-width));
  --container-margin-top: var(--space-6);
  --container-margin-bottom: var(--space-8);
  --card-pad: clamp(var(--space-4), 1.7vw, var(--space-6));
  --card-gap: var(--space-6);
  --control-pad-y: var(--space-3);
  --control-pad-x: var(--space-4);
  --touch-target: 44px;
  --footer-height: 96px;
  --header-height: 64px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'DM Sans', 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-secondary);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.is-hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  background-color: var(--bg-surface);
  color: var(--text);
  position: sticky;
  top: 0;
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.site-header__inner {
  width: var(--container-width);
  max-width: var(--container-max-width);
  min-height: var(--header-height);
  margin: 0 auto;
  padding: 0 var(--container-pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.site-header__brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.35rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: var(--space-2);

}

.site-header__brand::after {
  content: '.';
  color: var(--brand);

  font-size: 1.5rem;
  line-height: 0;
  position: relative;
  top: 2px;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

:is(.site-header__nav a, .answer-option, .checkbox-item, .question-nav, .amount-bubble-label) {
  transition: var(--transition-surface);
}

.site-header__nav a {
  color: var(--text-secondary);
  margin-left: var(--space-2);
  padding: var(--space-2) var(--space-3-5);
  height: auto;
  border-radius: var(--radius-btn);

  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
}

.site-header__nav a:hover,
.site-header__nav a.active {
  color: var(--accent-blue);

  background-color: var(--accent-blue-baby);

  transform: translateY(-1px);
}

.site-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-1);
  width: var(--touch-target);
  height: var(--touch-target);
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  background: transparent;
}

.site-header__toggle span {
  width: var(--space-4-5);
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

.site-header__donate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-6);
  height: 40px;
  border-radius: var(--radius-pill);
  margin-left: var(--space-4);
  background-color: var(--brand);
  color: #fff !important;
  font-weight: 500;
  border: none;


  transition: background-color 0.2s, transform 0.1s;
}

.site-header__donate:hover {
  text-decoration: none;
  background-color: var(--brand-hover);

  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .site-header__inner {
    flex-wrap: wrap;
    padding: var(--space-3) var(--space-4);
    min-height: auto;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    margin-top: var(--space-4);
    display: none;
    border-top: 1px solid var(--border);
    padding-top: var(--space-4);
    height: auto;
  }

  .site-header__nav.is-open {
    display: flex;
  }

  .site-header__nav a {
    margin: 0;
    padding: var(--space-3) var(--space-4);
    border-radius: 4px;
    border-bottom: none;
    height: auto;
    width: 100%;
  }

  .site-header__nav a.active {
    background-color: rgba(26, 115, 232, 0.1);
    border-bottom: none;
  }

  .site-header__donate {
    margin-left: 0;
    margin-top: var(--space-2);
    width: 100%;
  }
}

.container {
  width: var(--container-width);
  max-width: var(--container-max-width);
  margin: var(--container-margin-top) auto var(--container-margin-bottom) auto;
  padding: 0 var(--container-pad-x);
}

.card {
  background-color: var(--bg-surface);

  border-radius: var(--radius-md);

  padding: var(--card-pad);
  border: 1px solid var(--border);


  margin-bottom: var(--card-gap);
}

.card:hover {


  border-color: var(--border);
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  align-items: stretch;
  margin-bottom: var(--space-6);
}

.chart-grid .card {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.chart-container {
  position: relative;
  width: 100%;
  min-height: 280px;
  margin-top: var(--space-3);
}

.chart-container canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

.chart-container--tall {
  min-height: 400px;
}

.chart-container--square {
  aspect-ratio: 4 / 3;
  min-height: 260px;
}

.chart-container--short {
  aspect-ratio: 4 / 1;
  min-height: 100px;
}

.card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.card__header--wrap {
  flex-wrap: wrap;
}

.card--subdued {

  border: 1px solid var(--border);
  background-color: #f8f9fa;

}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4-5) var(--space-6);
  align-items: start;
}

.create-user-inline {
  margin-top: var(--space-4);
  padding: var(--space-3-5);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(248, 250, 255, 0.9), rgba(235, 240, 255, 0.7));
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.create-user-inline form {
  display: grid;
  gap: var(--space-3);
  align-items: end;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

@media (min-width: 900px) {
  .create-user-inline form {
    grid-template-columns: 1.2fr 1.1fr auto;
  }
}

.form-group,
.question-list,
.page-topic2qid .filters-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.test-builder {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-helper {
  margin-top: var(--space-1);
}

.builder-row {
  display: grid;
  gap: var(--space-4) var(--space-5);
  width: 100%;
}

.builder-row--primary {
  grid-template-columns: minmax(220px, 2fr) 0.8fr 1fr 1fr;
  grid-template-areas: "name count status mode";
  align-items: end;
}

.builder-field--name {
  grid-area: name;
}

.builder-field--status {
  grid-area: status;
}

.builder-field--count {
  grid-area: count;
}

.builder-field--mode {
  grid-area: mode;
}

.builder-field--count input {
  max-width: 160px;
  width: 100%;
}

.builder-row--filters {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  align-items: start;
}

.builder-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid rgba(10, 132, 255, 0.08);
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.9), rgba(234, 241, 255, 0.72));
  min-width: 0;
}

.builder-column .checkbox-grid {
  width: 100%;
  padding: 0;
}

.builder-collapse {
  border: 1px solid rgba(10, 132, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  padding: 0 var(--space-4) var(--space-3);
  margin: var(--space-1) 0;

}

.builder-collapse summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-3-5) 0;
  font-weight: 700;
  color: var(--text);
  list-style: none;
}

.builder-collapse summary::-webkit-details-marker {
  display: none;
}

.builder-collapse::after {
  content: "";
  display: block;
  height: 1px;
  background: rgba(15, 23, 42, 0.08);
  margin: 0;
  width: 100%;
}

.builder-collapse__content {
  padding-top: var(--space-2-5);
}

@media (max-width: 960px) {
  .builder-row--primary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "name count"
      "status mode";
  }

  .builder-row--filters {
    grid-template-columns: 1fr;
  }

  .builder-field--count input {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .builder-row--primary {
    grid-template-columns: 1fr;
    grid-template-areas:
      "name"
      "status"
      "count"
      "mode";
  }
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-group--inline {
  display: flex;
  gap: var(--space-2);
  align-items: stretch;
}

.form-group--inline input {
  flex: 1;
  width: auto;
  min-width: 0;
}

.form-group--inline .btn {
  white-space: nowrap;
  flex-shrink: 0;
}

.form-group label {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-1-5);
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="date"],
select,
textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);

  padding: var(--control-pad-y) var(--control-pad-x);
  font-size: 0.95rem;
  background-color: #fff;
  color: var(--text);

  width: 100%;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand-blue);


}

.input-shell {

  position: relative;
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 4px;

  background-color: var(--surface);
  padding: 0;
}

.input-shell select {
  border: none;
  background: transparent;
  padding: var(--control-pad-y) var(--space-6) var(--control-pad-y) var(--control-pad-x);
  width: 100%;
  appearance: none;
}

.input-shell::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-secondary);
  pointer-events: none;
}

.input-shell:focus-within {
  border-color: var(--brand);

}

select[multiple] {
  min-height: 120px;
}

small {
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  background-color: transparent;
  color: var(--text-secondary);

  border-radius: var(--radius-btn);

  padding: 0 var(--space-5);
  height: 42px;
  font-size: 0.95rem;
  font-weight: 600;

  letter-spacing: -0.01em;

  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:hover {
  text-decoration: none;
  background-color: var(--bg-surface-alt);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(1);
}

.btn--sm {
  height: 32px;
  padding: 0 var(--space-3);
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn--primary {
  background-color: var(--brand);

  color: var(--text-on-brand);

  border: 1px solid rgba(0, 0, 0, 0.05);


}

.btn--primary:hover {
  background-color: var(--brand-hover);

  color: var(--text-on-brand);

  transform: translateY(-1px);
}

.btn--link {
  color: var(--brand-blue);

  background: transparent;
  padding: 0 var(--space-1);
  height: auto;
  min-width: 0;
  font-weight: 500;
}

.btn--link:hover {
  background-color: transparent;
  text-decoration: underline;
  color: var(--text);
}

.btn--link-danger {
  color: #dc2626;
}

.btn--link-danger:hover {
  color: #b91c1c;
  background-color: transparent;
  text-decoration: underline;
}

.btn--ghost {
  background-color: #fff;
  border: 1px solid var(--border);
  color: var(--text-secondary);

}

.btn--ghost:hover {
  background-color: var(--bg-surface-alt);
  border-color: var(--border);
  color: var(--text);
}

.btn--accent-baby {
  background-color: var(--accent-blue-baby);
  border-color: rgba(59, 130, 246, 0.25);
  color: var(--brand-success-text);
}

.btn--accent-baby:hover {
  background-color: rgba(180, 206, 255, 0.75);
  border-color: rgba(59, 130, 246, 0.3);
  color: #1e3a8a;
  transform: translateY(-1px);
}

.btn--danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.btn--danger:hover {
  background: var(--danger-hover);
  color: #fff;
}

.flag-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.icon-flag {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.icon-flag--filled {
  color: var(--accent-rose);
}

#flag-btn.is-flagged {
  color: var(--accent-rose);
}

.flash-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
}

.flash-messages {
  margin-bottom: var(--space-4);
}

.flash,
.flash-success,
.flash-error,
.flash-info,
.flash-warning {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-4);
  margin-bottom: var(--space-3);
  font-size: 0.95rem;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
}

.flash--success,
.flash-success {
  background-color: #e6f4ea;
  color: #1e8e3e;
  border: none;
}

.flash--error,
.flash-error {
  background-color: #fce8e6;
  color: #d93025;
  border: none;
}

.flash--info,
.flash-info {
  background-color: #e8f0fe;
  color: #1967d2;
  border: none;
}

.flash--warning,
.flash-warning {
  background-color: #fef7e0;
  color: #e37400;
  border: none;
}

.flash__text {
  flex: 1;
  min-width: 0;
  line-height: 1.5;
}

.flash a {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
}

.table-responsive {
  overflow-x: auto;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2-5);
  margin-bottom: var(--space-4);
}

.pill,
.filter-pill,
.validity-pill,
.page-planner .pill {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
}

.pill,
.filter-pill {
  padding: 0 var(--space-3);
  height: 32px;
  color: var(--text);
  background: var(--surface);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-surface);
}

.filter-pill:hover {
  background-color: var(--surface-alt);
  border-color: var(--text-disabled);
}

.filter-pill--active {
  background-color: #e8f0fe;

  color: var(--brand);

  border-color: transparent;
}

.filter-pill--active:hover {
  background-color: #d2e3fc;


}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.875rem;
  background: transparent;

}

.dashboard-table thead th {
  background: var(--surface-alt);

  color: var(--text);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.dashboard-table tbody tr:hover {
  background-color: var(--surface-alt);
}

.dashboard-table tbody tr:nth-child(even) {
  background: rgba(234, 241, 255, 0.4);
}

.dashboard-table tbody tr:last-child td {
  border-bottom: none;
}

.dashboard-table tbody td:first-child {
  font-weight: 600;
}

.dashboard-table td {
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.dashboard-table td:nth-child(3),
.dashboard-table td:nth-child(4) {
  text-align: center;
  white-space: nowrap;
}

.dashboard-table td.dashboard-share {
  min-width: 240px;
}

.session-history-table {
  width: 100%;
  table-layout: fixed;
}

.session-history-table__col-name {
  width: 22%;
}

.session-history-table__col-created {
  width: 18%;
}

.session-history-table__col-answered {
  width: 10%;
}

.session-history-table__col-correct {
  width: 10%;
}

.session-history-table__col-share {
  width: 28%;
}

.session-history-table__col-actions {
  width: 12%;
}

.session-table__text {
  display: inline-block;
  max-width: min(100%, 24rem);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
}

.dashboard-table td.dashboard-share .session-table__text {
  max-width: min(100%, 20rem);
}

.session-history-table td {
  overflow: hidden;
}

.dashboard-table td.dashboard-actions {
  width: 88px;
  white-space: nowrap;
  display: table-cell;
}

.muted {
  color: var(--muted);
}

.text-muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-20);
  font-size: 0.95rem;
  color: var(--muted);
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.summary-grid+.card {
  margin-top: var(--space-6);
}

.summary-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  background-color: var(--surface);


  display: flex;
  flex-direction: column;
}

.open120-block-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.open120-block-grid .summary-item {
  max-width: 100%;
  align-items: flex-start;
}

.summary-label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.site-footer {
  width: var(--container-width);
  max-width: var(--container-max-width);
  margin: 0 auto;
  text-align: center;
  padding: var(--space-3) var(--space-4) var(--space-4);
  color: rgba(15, 23, 42, 0.6);
  font-size: 0.9rem;
}

.site-footer.site-footer--auth {
  color: rgba(15, 23, 42, 0.85);
}

@media (max-width: 640px) {
  .marketing-hero {
    padding: var(--space-56) var(--space-20) var(--space-72);
    text-align: left;
  }

  .marketing-callout {
    margin: var(--space-4-5) 0 var(--space-6);
  }

  .marketing-main {
    margin: -var(--space-40) auto 0;
    padding: 0 var(--space-20) var(--space-80);
  }

  .marketing-section {
    padding: var(--space-28) var(--space-22) var(--space-6);
  }

  .marketing-cta {
    padding: var(--space-28) var(--space-22);
  }

  .summary-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .summary-item {
    padding: var(--space-20);
  }

  .open120-block-grid {
    grid-template-columns: 1fr;
  }
}

.summary-value {
  font-size: 1.8rem;
  font-weight: 600;
}

.highlight {

  background: rgba(243, 255, 10, 0.14);
}

.strike,
.answer-option.strike {
  text-decoration: line-through;
  opacity: 0.7;
}

.explanation-body,
.answers,
.page-planner .methodology-grid {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .practice-layout {
    display: block;
    padding-left: 0;
    margin: 0 auto calc(var(--footer-height) + var(--space-7));
  }

  .question-sidebar {
    display: none !important;
  }

  .practice-footer {
    flex-wrap: nowrap;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
  }

  .practice-footer .footer-group {
    flex: 1 1 0;
    justify-content: center;
    min-width: 0;
  }

  .practice-footer .footer-group:first-child,
  .practice-footer .footer-group:nth-child(2),
  .practice-footer .footer-group:last-child {
    flex: 1 1 0;
    justify-content: center;
  }

  .practice-footer button {
    width: 100%;
  }
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3) var(--space-4);
  padding: var(--space-1) 0 var(--space-2) 0;
}

.checkbox-grid--topics {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2-5);
  padding: var(--space-2-5) var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-12);
  background: var(--surface-interactive);
  min-width: 0;
}

.checkbox-item input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 0.2rem;
}

.checkbox-item:hover {
  border-color: rgba(10, 132, 255, 0.5);
  background: var(--surface-interactive-hover);
}

.checkbox-item--with-info {
  justify-content: space-between;
}

.checkbox-item__label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2-5);
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.checkbox-item__text {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.info-icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.16);
  background: rgba(15, 23, 42, 0.04);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  user-select: none;
}

.info-icon:focus {
  outline: 2px solid rgba(10, 132, 255, 0.4);
  outline-offset: 2px;
}

.info-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  width: max-content;
  max-width: 320px;
  padding: var(--space-2-5) var(--space-3);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.96);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.35;
  white-space: normal;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.22);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
  z-index: 25;
}

.info-icon::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 4px);
  right: 7px;
  border-width: 6px 6px 0 6px;
  border-style: solid;
  border-color: rgba(15, 23, 42, 0.96) transparent transparent transparent;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
  z-index: 26;
}

.info-icon:hover::after,
.info-icon:hover::before,
.info-icon:focus::after,
.info-icon:focus::before {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (min-width: 900px) {
  .checkbox-grid--topics {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
  }
}

.session-status {
  margin-top: var(--space-2);
  font-size: 0.9rem;
  color: var(--muted);
}

.session-status.is-complete {
  color: var(--success);
  font-weight: 600;
}

.feedback-note {
  margin-top: var(--space-2-5);
  padding: var(--space-2-5) var(--space-3);
  background: #fff4e8;
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  color: var(--muted);
}

.practice-completed .answer-option {
  pointer-events: none;
  cursor: default;
  opacity: 0.9;
}

.practice-completed .answer-option:hover {
  transform: none;
}

.sidebar-btn.is-correct {
  border-color: rgba(111, 179, 111, 0.45);
  background: #eaf6e6;
}

.sidebar-btn.is-incorrect {
  border-color: rgba(233, 138, 128, 0.45);
  background: #fde5e5;
}

.sidebar-header {
  display: flex;
  justify-content: center;
  align-items: center;
}

.question-nav__flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: var(--space-2);
  color: var(--accent-rose);
  line-height: 0;
}

.question-nav {
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--radius-12);
  padding: var(--space-2-5) var(--space-3);
  text-align: left;
  cursor: pointer;
}

.question-nav:hover,
.question-nav.is-active {
  border-color: rgba(10, 132, 255, 0.4);
  background: rgba(234, 241, 255, 0.9);

  transform: translateY(-1px);
}

.question-nav.is-correct {
  border-color: var(--nav-correct-border);
  background: var(--nav-correct-bg);

}

.question-nav.is-correct:hover,
.question-nav.is-correct.is-active {
  border-color: #179866;
  background: linear-gradient(135deg, var(--nav-correct-bg), rgba(31, 179, 122, 0.1));

}

.question-nav.is-incorrect {
  border-color: var(--nav-incorrect-border);
  background: var(--nav-incorrect-bg);

}

.question-nav.is-incorrect:hover,
.question-nav.is-incorrect.is-active {
  border-color: #d74357;
  background: linear-gradient(135deg, var(--nav-incorrect-bg), rgba(234, 90, 107, 0.08));

}

.practice-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: var(--space-80);

}

.question-sidebar {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
  border-right: none;
  background: var(--bg-surface);
  margin-bottom: var(--space-6);
  overflow: visible;
}

.question-main {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  overflow: visible;
  height: auto;
}

.question-detail-stack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-height: 0;
  overflow: visible;
}

#question-card {
  height: auto;
  overflow: visible;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.explanation-card {
  display: none;
}

.explanation-card:not(.is-hidden) {
  display: block;
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
}

.explanation-card--deep-active {
  border: 2px solid transparent;
  background: linear-gradient(#f8f9fa, #f8f9fa) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  box-shadow: 0 14px 40px -22px rgba(59, 130, 246, 0.45);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.explanation-card--deep-active:hover {
  border-color: transparent;
  background: linear-gradient(#f8f9fa, #f8f9fa) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  box-shadow: 0 14px 40px -22px rgba(59, 130, 246, 0.45);
}

.tab-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.tab-btn {
  padding: var(--space-2-5) var(--space-3-5);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
}

.page-index .tab-header[role="tablist"] .tab-btn {
  flex: 1 1 0;
  justify-content: center;
  text-align: center;
}

.tab-btn.is-active {
  background: var(--brand);
  color: var(--text-on-brand);
  border-color: var(--brand-hover);
}

.tab-panels {
  position: relative;
  flex: 1;
}

.tab-panel {
  display: none;
  height: 100%;
  overflow-y: auto;
  padding-right: var(--space-1);
}

.tab-panel.is-active {
  display: block;
}

#deep-panel {
  flex-direction: column;
  min-height: 0;
}

#deep-panel.is-active {
  display: flex;
}

.deep-learn-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1 1 auto;
  min-height: 0;
  overflow: visible;
}

.deep-learn-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
  padding: var(--space-3) 0 var(--space-1);
}

.deep-learn-actions__copy {
  color: var(--text);
  font-weight: 600;
}

.deep-learn-actions__note {
  font-size: 0.9rem;
}

.deep-learn-actions__cta {
  display: flex;
  justify-content: center;
  width: 100%;
}

.btn--deep-learn {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  color: var(--text);
  box-shadow: 0 12px 30px -18px rgba(59, 130, 246, 0.5);
}

.btn--deep-learn:hover {
  background: linear-gradient(#fff, #fff) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  color: var(--text);
  transform: translateY(-1px);
}

.deep-learn-table table {
  width: 100%;
  border-collapse: collapse;
}

.deep-learn-table th,
.deep-learn-table td {
  border: 1px solid var(--border);
  padding: var(--space-1-5) var(--space-2);
  text-align: left;
}

.lesson-practice-actions {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
}

.deep-learn-table__title {
  font-weight: 700;
  margin-bottom: var(--space-1-5);
}

@media (min-width: 1024px) {
  .practice-layout {
    display: grid;
    grid-template-columns: minmax(180px, 0.14fr) minmax(0, 0.86fr);
    gap: var(--space-6);
    height: calc(100vh - var(--header-height) - var(--footer-height));
    overflow: hidden;
    background-color: var(--bg-app);

    max-width: 100%;
    margin: 0 auto;
    padding: var(--space-6);
    padding-bottom: var(--space-4);
    align-items: stretch;
  }

  .question-sidebar {
    position: relative;
    width: 100%;
    min-width: 200px;
    max-width: 280px;
    top: auto;
    left: auto;
    right: auto;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4-5);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    border: 1px solid var(--border);

    overflow: hidden;
    height: 100%;
    align-self: stretch;
    min-height: 0;
  }

  .question-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
    column-gap: var(--space-6);
    row-gap: 0;
    padding: 0;
    overflow: hidden;
    height: 100%;
    align-items: stretch;
  }

  #question-card {
    flex: 1;
    margin: 0;
    height: 100%;
    overflow-y: auto;
    min-width: 0;
  }

  .explanation-card {
    flex: 1;
    margin: 0;
    height: 100%;
    overflow-y: auto;
    min-width: 0;
    display: none;
  }

  .explanation-card:not(.is-hidden) {
    display: flex;
    flex-direction: column;
    margin-top: 0;
  }

  .question-main.question-main--with-explanation {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .question-main.question-main--with-explanation .question-detail-stack {
    min-height: 0;
    height: 100%;
    overflow: hidden;
  }



  .question-list {
    flex: 1;
    overflow-y: auto;
    padding-right: var(--space-2);
    min-height: 0;
  }
}

.question-top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.question-actions {
  display: flex;
  gap: var(--space-2-5);
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

.question-actions--top {
  margin-left: auto;
}

.question-actions--top .btn {
  padding: 0 var(--space-3);
  height: 36px;
  font-size: 0.9rem;
}

.question-actions--top #timer-display {
  padding: 0.2rem 0.65rem;
  font-size: 0.9rem;
}

.question-validity {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2-5);
  flex-wrap: wrap;
}

.question-verify-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2-5);
  margin-left: auto;
}

.question-verify-actions .btn {
  height: 34px;
}

.validity-pill {
  gap: var(--space-1-5);
  padding: var(--space-1-5) var(--space-2-5);
  background: var(--bg-surface-alt);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1;
}

.validity-pill__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.validity-icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.validity-pill__text {
  font-weight: 600;
  color: inherit;
}

.validity-pill--low {
  color: #dc2626;
  background: #fef2f2;
  border-color: rgba(220, 38, 38, 0.18);
}

.validity-pill--medium {
  color: #d97706;
  background: #fffbeb;
  border-color: rgba(217, 119, 6, 0.18);
}

.validity-pill--high {
  color: #15803d;
  background: #ecfdf3;
  border-color: rgba(21, 128, 61, 0.18);
}

.verification-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(210, 161, 26, 0.45);
  background: linear-gradient(135deg, #fff7dd, #fff0c2);
  color: #c58a00;
  box-shadow: var(--shadow-1);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  position: relative;
}

.verification-badge svg {
  width: 20px;
  height: 20px;
  color: inherit;
}

.verification-badge:hover,
.verification-badge:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.verification-badge--human {
  border-color: rgba(197, 138, 0, 0.5);
}

.question-actions--footer {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  align-items: center;
  width: 100%;
}

.question-actions .btn {
  white-space: nowrap;
}

.question-number {
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0;
  color: var(--brand-dark);
}

.question-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: var(--space-1-5) var(--space-3);
  background: linear-gradient(120deg, rgba(10, 132, 255, 0.16), rgba(48, 213, 200, 0.16));
  color: var(--brand-dark);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tag--muted {
  background: rgba(15, 23, 42, 0.06);
  color: var(--muted);
}

.question-meta {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
}

.question-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4-5);
  margin: var(--space-3) 0;
}

.question-text {
  font-size: 1.05rem;
  line-height: 1.6;
}

.question-labs {
  padding: var(--space-4);
  border-radius: 14px;
  background: rgba(10, 132, 255, 0.06);
  border: 1px solid rgba(10, 132, 255, 0.12);
  font-size: 0.95rem;
}

.question-labs pre {
  margin: var(--space-2-5) 0 0 0;
  font-family: 'Courier New', Courier, monospace;
  white-space: pre-wrap;
  max-height: 220px;
  overflow-y: auto;
  padding-right: var(--space-1-5);
  -webkit-overflow-scrolling: touch;
}

.answer-option {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-14);
  padding: var(--space-3-5);
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--space-3);
  cursor: pointer;

  background: rgba(255, 255, 255, 0.92);
}

.answer-option.has-stats {
  grid-template-columns: 44px 1fr auto;
  align-items: center;
}

.answer-option:hover {
  transform: translateY(-2px);
  border-color: rgba(10, 132, 255, 0.36);
  background: rgba(234, 241, 255, 0.9);

}

.answer-option.is-selected {
  border-color: rgba(10, 132, 255, 0.6);
  background: linear-gradient(160deg, rgba(10, 132, 255, 0.12), rgba(48, 213, 200, 0.08));
}

.answer-option.is-correct {
  border-color: rgba(52, 199, 89, 0.6);
  background: rgba(52, 199, 89, 0.12);
}

.answer-option.is-incorrect {
  border-color: rgba(255, 59, 48, 0.55);
  background: rgba(255, 59, 48, 0.1);
}

.answer-option.is-struck {
  text-decoration: line-through;
  opacity: 0.6;
}

.answer-option__label {
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.answer-option__text {
  line-height: 1.6;
}

.answer-option__stat {
  font-weight: 600;
  color: var(--muted);
  min-width: 68px;
  text-align: right;
  justify-self: end;
  font-variant-numeric: tabular-nums;
}

.answer-status {
  margin-top: var(--space-1);
  min-height: 18px;
}

.explanation-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.explanation-card.is-hidden {
  display: none;
}

.feedback-section {
  margin-bottom: var(--space-3-5);
  line-height: 1.5;
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.comment {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: #fff;
}

.comment__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-1-5);
}

.comment__author {
  font-weight: 600;
  color: var(--text);
}

.comment__body {
  line-height: 1.5;
  color: var(--text);
}

.comments-empty {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  color: var(--text-secondary);
  background: #fff;
  text-align: center;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
}

.comment-form__label {
  font-weight: 600;
  color: var(--text);
}

.comment-form__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.comment-form__status {
  font-size: 0.9rem;
}

.note-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;
}

.note-form textarea {
  flex: 1;
  min-height: 240px;
}

.highlight-token {

  background: yellow;
  padding: 0 var(--space-0-5);
  border-radius: 4px;
}

.practice-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-40);
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.9), rgba(234, 241, 255, 0.95));
  border-top: 1px solid rgba(10, 132, 255, 0.08);

  backdrop-filter: blur(10px);
}

.footer-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.practice-footer .footer-group:first-child {
  justify-content: flex-start;
  flex: 1;
}

.practice-footer .footer-group:nth-child(2) {
  justify-content: center;
}

.practice-footer .footer-group:last-child {
  justify-content: flex-end;
  flex: 1;
}

.footer-group--meta {
  justify-content: flex-end;
  flex: 1;
}

@media (max-width: 1024px) {
  .practice-layout {
    padding-left: 0;
    margin: 0 auto calc(var(--footer-height) + var(--space-8));
    display: block;
  }

  .question-sidebar {
    position: static;
    width: 100%;
    max-height: none;
    min-height: 0;
    overflow: visible;
    margin: 0 0 var(--space-6) 0;
  }
}

.account-forms {
  display: grid;
  gap: var(--space-28);
}

.account-form,
.settings-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4-5);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.exam-settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4-5) var(--space-6);
  align-items: start;
}

.exam-settings-grid .form-group {
  min-width: 0;
}

.exam-settings-grid .form-group--range {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 980px) {
  .exam-settings-grid {
    grid-template-columns: 1fr;
  }
}

.exam-settings-actions {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
}

.exam-settings-actions--inline {
  justify-content: flex-end;
  align-items: flex-end;
  align-self: end;
}

.exam-settings-update {
  white-space: nowrap;
}

@media (max-width: 640px) {
  .exam-settings-actions {
    justify-content: stretch;
  }

  .exam-settings-update {
    width: 100%;
  }
}

.settings-form h2 {
  margin: 0;
}

.subscription-trial-copy {
  margin: var(--space-1) 0 0 0;
  color: var(--text-muted, #9ca3af);
  font-size: 0.92rem;
}

.donation-note {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-4-5);
  border-radius: 14px;
  background: linear-gradient(120deg, rgba(10, 132, 255, 0.08), rgba(48, 213, 200, 0.08));
  border: 1px solid rgba(10, 132, 255, 0.2);
  color: var(--text);
  line-height: 1.5;
}

.donation-note a {
  color: var(--brand-dark);
  font-weight: 600;
}

.donation-note strong {
  color: var(--brand-dark);
}

.settings-form--danger {
  border: 1px solid rgba(255, 59, 48, 0.25);
  border-radius: 12px;
  padding: var(--space-20);
  background: rgba(255, 59, 48, 0.08);
}

.danger-actions,
.theme-options,
.admin-console__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

.danger-actions form {
  margin: 0;
}

@media (max-width: 768px) {
  .container {
    width: 100%;
    padding-inline: var(--space-4);
  }

  .practice-layout {
    gap: var(--space-4);
  }

  .question-main {
    width: 100%;
  }

  .answers {
    gap: var(--space-2-5);
  }

  .answer-option {
    grid-template-columns: 36px 1fr;
    padding: var(--space-3);
  }

  .practice-footer {
    padding: var(--space-3-5) var(--space-4);
  }

  .tab-header {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-1-5);
    margin-bottom: var(--space-2);
    gap: var(--space-2-5);
  }

  .tab-header::-webkit-scrollbar {
    display: none;
  }

  .tab-header>* {
    flex-shrink: 0;
  }

  .question-validity {
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .question-validity::-webkit-scrollbar {
    display: none;
  }
}

.choice-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  transition: border 0.2s ease;
}

.choice-item input[type="radio"] {
  margin-top: 0.3rem;
}

.choice-item__title {
  font-weight: 600;
}

.choice-item__help {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.choice-item:hover {
  border-color: var(--brand);
}

.practice-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.practice-meta__mode {
  font-weight: 600;
  background: rgba(10, 132, 255, 0.12);
  color: var(--brand-dark);
  border-radius: 999px;
  padding: 0.25rem 0.85rem;
}

.practice-meta__timer {
  font-family: monospace;
  font-weight: 600;
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
  background: #0f172a;
  color: #f9fafb;
  display: flex;
  align-items: center;
  justify-content: center;
}

.practice-meta__timer--warning {
  background: #ff9f0a;
}

.practice-meta__timer--expired {
  background: #ff3b30;
}

.practice-meta__score {
  font-weight: 600;
  color: var(--brand);
}

.practice-meta__finish {
  margin-left: auto;
}

.answer-option.is-static {
  pointer-events: none;
}

.practice-history-card {
  margin-top: var(--space-6);
}

.practice-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4-5);
}

.practice-history-table {
  display: flex;
  flex-direction: column;
  gap: var(--space-2-5);
}

.practice-history-row {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3-5) var(--space-4-5);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(10, 132, 255, 0.1);

}

.practice-history-row--head {
  background: transparent;
  border: none;
  padding: 0 var(--space-1-5) var(--space-1-5) var(--space-1-5);
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.practice-history-row--head span {
  font-weight: 600;
}

.practice-history-name {
  font-weight: 600;
  color: var(--text);
}

.practice-history-actions,
.page-planner .planner-presets {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2-5);
  flex-wrap: wrap;
}

.dashboard-share {
  min-width: 240px;
}

.dashboard-actions,
.admin-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
}

.dashboard-actions .btn {
  width: auto;
  padding: 0;
  font-weight: 600;
}

.share-field {
  margin: 0;
}

.share-field--compact {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  min-height: 2.5rem;
  padding: 0.35rem 0.4rem 0.35rem 0.75rem;
  border: 1px solid rgba(10, 132, 255, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
}

.share-field__value {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.9rem;
  color: var(--text);
}

.share-field__copy-btn {
  flex: 0 0 auto;
  width: 1.9rem;
  height: 1.9rem;
  border: 0;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent, #2563eb);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.share-field__copy-btn:hover:not(:disabled) {
  background: rgba(37, 99, 235, 0.14);
  transform: translateY(-1px);
}

.share-field__copy-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.share-field__copy-btn:focus-visible {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 2px;
}

.share-field__copy-btn svg {
  width: 0.95rem;
  height: 0.95rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.share-field__check-icon {
  display: none;
}

.share-field__copy-btn.is-copied {
  background: rgba(22, 163, 74, 0.12);
  color: #16a34a;
}

.share-field__copy-btn.is-copied .share-field__copy-icon {
  display: none;
}

.share-field__copy-btn.is-copied .share-field__check-icon {
  display: block;
}

.share-field__label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #7a5b46;
  margin-bottom: 0.2rem;
}

.share-field__input,
.share-field__textarea {
  width: 100%;
  border: 1px solid rgba(10, 132, 255, 0.16);
  border-radius: 10px;
  padding: 0.5rem 0.6rem;
  font-size: 0.9rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.94);
}

.share-field__input {
  height: 2.25rem;
}

.share-field__textarea {
  resize: none;
  min-height: 3rem;
  word-break: break-word;
  white-space: pre-wrap;
}

@media (max-width: 768px) {
  .practice-history-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1-5) var(--space-3);
  }

  .practice-history-row span:nth-child(3),
  .practice-history-row span:nth-child(4) {
    color: var(--muted);
  }

  .practice-history-row--head {
    display: none;
  }

  .practice-history-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 576px) {
  .practice-layout {
    gap: var(--space-3);
  }

  .question-number {
    font-size: 1.2rem;
  }

  .tag {
    font-size: 0.7rem;
    padding: var(--space-0-75) var(--space-2);
  }

  .answer-option {
    font-size: 0.95rem;
  }

  .practice-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    text-align: left;
  }
}

.settings-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.input-group {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.input-group select {
  flex: 1;
  width: auto;

}

.input-group .btn {
  flex-shrink: 0;
}

.settings-form input,
.settings-form select {
  width: 100%;
}

.theme-option {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2-5) var(--space-3-5);
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-surface-alt);
  color: var(--text);
  min-width: 96px;
  justify-content: center;
  white-space: nowrap;
}

.theme-option input {
  width: 16px;
  height: 16px;
}

[data-theme="dark"] .theme-option {
  background: var(--bg-surface);
  border-color: var(--border);
}

.auth-body-new {
  background: radial-gradient(circle at 12% 20%, rgba(10, 132, 255, 0.1), transparent 24%),
    radial-gradient(circle at 82% 14%, rgba(48, 213, 200, 0.1), transparent 22%),
    var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  color: var(--text);
  padding: var(--space-5);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-header h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.03em;
  color: var(--text);
}

.auth-header p {
  margin: var(--space-2) 0 0;
  font-size: 1.1rem;
  color: var(--muted);
  font-weight: 400;
  line-height: 1.5;
}

.auth-tabs {
  background: rgba(10, 132, 255, 0.1);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
  display: flex;
  width: 100%;
  max-width: 400px;
  margin-bottom: var(--space-6);
}

.auth-tab {
  flex: 1;
  text-align: center;
  padding: var(--space-2-5);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
  transition: all 0.2s ease;
  user-select: none;
}

.auth-tab.active {
  background: #fff;
  color: #000;

}

.auth-card-new {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-5), 4vw, var(--space-6));
  width: 100%;
  max-width: 400px;
  border: 1px solid rgba(15, 23, 42, 0.08);

  color: var(--text);
  backdrop-filter: blur(10px);
}

.auth-card-new input[type="text"],
.auth-card-new input[type="email"],
.auth-card-new input[type="password"],
.auth-card-new select {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);

  padding: var(--space-3);
  font-size: 1rem;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: var(--space-4);
  transition: all 0.2s;
  background-color: #f9fafb;

}

.auth-card-new input:focus,
.auth-card-new select:focus {
  outline: none;
  border-color: var(--brand-blue);
  background-color: #fff;

}

.btn-auth {
  width: 100%;
  padding: var(--space-3);
  background-color: var(--brand);
  color: var(--text-on-brand);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);

  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  margin-top: var(--space-2);
}

.btn-auth:hover {
  background-color: var(--brand-hover);
  transform: translateY(-1px);
}

.form-section {
  display: none;
}

.form-section.active {
  display: block;
}

.form-group__hint {
  text-align: center;
  margin-top: var(--space-4);
}

.form-group__hint a {
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: underline;
}

.form-group__hint a:hover {
  color: var(--text);
}

.auth-footer {
  margin-top: var(--space-6);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--muted);
  text-align: center;
}

.auth-header a,
.auth-footer a {
  color: var(--text);
  text-decoration: underline;
  font-weight: 500;
}

.amount-bubbles {
  display: flex;
  gap: var(--space-2-5);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.amount-bubble-input {
  display: none;
}

.amount-bubble-label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  height: 44px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-btn);
  background: var(--white);
  border: 2px solid rgba(10, 132, 255, 0.15);
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
}

.amount-bubble-input:checked+.amount-bubble-label {
  background: var(--brand);
  color: white;
  border-color: var(--brand);
  transform: scale(1.1);

}

.amount-bubble-label:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
}

.amount-bubble-custom {
  min-width: 84px;
  max-width: 104px;
  border-radius: var(--radius-btn);
  padding: 0 var(--space-2-5);
  flex: 0 1 92px;
}

.amount-bubble-custom:hover {
  border-color: var(--brand);
}

.amount-bubble-custom input {
  border: none;
  background: transparent;
  width: 100%;
  min-width: 0;
  height: 100%;
  text-align: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  outline: none;
  padding: 0;
}

.amount-bubble-custom input:focus {

  transform: none;
}

.amount-bubble-custom:focus-within {
  border-color: var(--brand);

}

.auth-title-section {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-title-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: var(--space-2);
}

.auth-title-section p {
  color: #6b7280;
}

.auth-footer-text {
  text-align: center;
  margin-top: var(--space-4);
}

.marketing-body {
  background-color: var(--bg-surface);
}

.marketing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) var(--space-6);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.marketing-nav__logo {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.marketing-nav__logo::after {
  content: '.';
  color: var(--brand);
  position: relative;
  top: -4px;
  font-size: 2rem;
  line-height: 0;
}

.marketing-hero__content {
  max-width: 960px;
  margin: 0 auto;
}

.marketing-hero__brand {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4-5);
  color: var(--text-secondary);
}

.marketing-main {
  max-width: var(--container-max-width);
  margin: -var(--space-7) auto 0;
  padding: 0 var(--space-6) var(--space-96);
}

.marketing-callout {
  margin: var(--space-20) 0 var(--space-28);
  padding: var(--space-20) var(--space-22);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(234, 241, 255, 0.8));
  color: var(--text);
}

.marketing-callout h2 {
  margin: 0 0 var(--space-2-5);
  font-size: 1.4rem;
  color: var(--text);
}

.marketing-callout p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.marketing-hero {
  text-align: center;
  padding: var(--space-80) var(--space-6) var(--space-60);
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-surface-warm) 100%);
  overflow: hidden;
}

.marketing-hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 auto var(--space-6);
  max-width: 800px;
  color: var(--text);
}

.marketing-hero p {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-6);
}

.marketing-hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-8);
}

.marketing-hero__actions .btn {
  height: 52px;
  padding: 0 var(--space-6);
  font-size: 1.05rem;
}

.marketing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4-5);
  margin-top: var(--space-6);
}

.marketing-grid--two {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.marketing-card {
  background: var(--bg-surface);
  border-radius: 14px;
  padding: var(--space-20) var(--space-22);
  border: 1px solid rgba(10, 132, 255, 0.16);
}

.marketing-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-3);
  font-size: 1.1rem;
}

.marketing-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.marketing-list {
  margin: var(--space-6) 0 0;
  padding-left: var(--space-20);
  color: var(--muted);
  line-height: 1.7;
}

.marketing-cta {
  margin-top: var(--space-6);
  background: linear-gradient(135deg, #0a84ff 0%, #5ed8ff 45%, #30d5c8 100%);
  border-radius: 20px;
  padding: var(--space-36) var(--space-6);
  color: #fff;
}

.marketing-cta__content {
  max-width: 720px;
}

.marketing-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4-5);
}

.marketing-visual {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;

  background: #fff;
  position: relative;
}

.marketing-section {
  padding: var(--space-80) var(--space-6);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.marketing-section--alt {
  background-color: var(--bg-surface-alt);
  border-radius: 32px;
  margin-top: var(--space-40);
  margin-bottom: var(--space-40);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-8);
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.features-scroll-container {
  overflow-x: auto;
  padding-bottom: var(--space-20);

  -webkit-overflow-scrolling: touch;
  margin: 0 -var(--space-6);

  padding: 0 0 var(--space-20) var(--space-6);
}

.grid-features {
  display: flex;
  gap: var(--space-6);
  min-width: max-content;
  padding-right: var(--space-6);
}

.feature-card {
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);

  width: 300px;

  flex-shrink: 0;
}

.feature-card:hover {
  transform: translateY(-4px);

}

.feature-card h3 {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background-color: var(--bg-surface-warm);
  color: var(--brand-warning-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.feature-card--highlight {
  border: 2px solid var(--brand);
  background: linear-gradient(135deg, rgba(255, 183, 77, 0.08), var(--bg-surface));
  box-shadow: 0 4px 20px -4px rgba(255, 183, 77, 0.2);
}

.feature-badge {
  background: linear-gradient(135deg, #22c55e, #10b981);
  color: #fff;
  font-size: 0.65rem;
  padding: var(--space-0-5) var(--space-2);
  border-radius: 99px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.grid-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.grid-split--reverse {
  direction: rtl;
}

.grid-split--reverse>* {
  direction: ltr;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;

  border: 1px solid var(--border);
}

.marketing-visual img,
.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.marketing-footer {
  padding: var(--space-40) var(--space-6);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  margin-top: var(--space-80);
}

/* Informational (non-marketing) page helpers */
.info-hero {
  padding: var(--space-56) var(--space-6) var(--space-36);
}

.info-hero__inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  text-align: center;
}

.info-hero h1 {
  font-size: 2.6rem;
  margin: 0 auto var(--space-4);
  max-width: 900px;
}

.info-hero p {
  max-width: 780px;
  margin: 0 auto;
}

.info-main {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-96);
}

.info-prose {
  color: var(--text-secondary);
}

.info-prose h2,
.info-prose h3 {
  color: var(--text);
}

.info-card {
  margin-top: var(--space-4-5);
}

.info-card--nested {
  border: 1px solid var(--border);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3-5);
  margin-top: var(--space-4-5);
}

.info-list {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-20);
  line-height: 1.7;
}

.info-timeline {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-4-5);
  border-left: 3px solid var(--border);
  list-style: none;
}

.info-timeline li {
  margin: var(--space-2-5) 0;
}

.coming-soon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-40);
}

.coming-soon-card {
  background: linear-gradient(135deg, var(--bg-surface-warm), #fff);
  border: 1px dashed var(--brand);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: left;
}

.coming-soon-card h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.coming-soon-badge {
  background: var(--brand);
  color: var(--text-on-brand);
  font-size: 0.7rem;
  padding: var(--space-0-5) var(--space-2);
  border-radius: 99px;
  text-transform: uppercase;
  font-weight: 700;
}

.coming-soon-card--featured {
  border-style: solid;
  border-color: var(--brand);
  background: linear-gradient(135deg, rgba(255, 183, 77, 0.12), rgba(255, 138, 91, 0.08));
  box-shadow: 0 4px 20px -4px rgba(255, 183, 77, 0.25);
}

.coming-soon-badge--new {
  background: linear-gradient(135deg, #22c55e, #10b981);
  color: #fff;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
  }

  50% {
    box-shadow: 0 0 8px 2px rgba(34, 197, 94, 0.3);
  }
}

@media (max-width: 768px) {
  .marketing-hero h1 {
    font-size: 2.5rem;
  }

  .grid-split {
    grid-template-columns: 1fr;
    gap: var(--space-40);
  }

  .marketing-nav {
    padding: var(--space-4) var(--space-6);
  }
}

.qa-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-20);
  z-index: 1400;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.qa-modal__dialog {
  position: relative;
  background: var(--surface, #fff);
  border-radius: var(--radius-lg);
  padding: var(--space-22) var(--space-22) var(--space-4-5);
  width: min(520px, 100%);
  box-shadow: var(--shadow-2);
  border: 1px solid var(--border);
}

.qa-modal__title {
  margin: 0 0 var(--space-2);
  color: var(--text);
  font-size: 1.3rem;
}

.qa-modal__hint {
  margin: 0 0 var(--space-3);
  color: var(--text-secondary);
}

.qa-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.qa-modal__close:hover {
  background: rgba(0, 0, 0, 0.08);
  transform: scale(1.05);
}

.qa-form {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-1-5);
}

.qa-form__status {
  min-height: 20px;
  font-size: 0.9rem;
  color: var(--muted, #6b7280);
}

.qa-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2-5);
  margin-top: var(--space-1);
}

@media (max-width: 640px) {
  .qa-modal {
    align-items: flex-start;
    padding: var(--space-3);
  }

  .qa-modal__dialog {
    padding: var(--space-4-5);
  }
}

.deep-learn-modal {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  z-index: 1400;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.deep-learn-modal__dialog {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-28) var(--space-28) var(--space-6);
  max-width: 960px;
  width: min(960px, 100%);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  overscroll-behavior: contain;
  box-shadow: 0 25px 60px -20px rgba(0, 0, 0, 0.25), 0 10px 30px -16px rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.deep-learn-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.04);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.4rem;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.deep-learn-modal__close:hover {
  background: rgba(0, 0, 0, 0.08);
  transform: scale(1.05);
}

.deep-learn-modal__eyebrow {
  margin: 0 0 var(--space-2);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.deep-learn-mark {
  background: linear-gradient(120deg, #3b82f6, #fb7185, #ffb347);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
}

.deep-learn-modal h3 {
  margin: 0 0 var(--space-3);
  color: var(--text);
  font-size: 1.7rem;
}

.deep-learn-modal__copy {
  margin: 0 0 var(--space-3-5);
  color: var(--text-secondary);
  font-size: 1rem;
}

.deep-learn-modal__list {
  margin: 0 0 var(--space-4-5);
  padding-left: var(--space-4-5);
  color: var(--text);
  display: grid;
  gap: var(--space-1-5);
}

.deep-learn-modal__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-surface-alt);
}

.deep-learn-modal__image img {
  width: 100%;
  display: block;
}

.anki-prompt-mode-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.anki-prompt-inline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1 1 260px;
  min-width: 0;
}

.anki-prompt-mode-row__select {
  flex: 1 1 auto;
}

.anki-prompt-edit-btn {
  width: 44px;
  height: 44px;
  padding: 0;
  flex: 0 0 auto;
}

.anki-prompt-edit-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.anki-prompt-modal__dialog {
  max-width: 820px;
}

.anki-prompt-modal__copy {
  margin-bottom: var(--space-4);
}

.anki-prompt-modal__textarea {
  width: 100%;
  min-height: 320px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: var(--bg-surface);
  color: var(--text);
  font: inherit;
  line-height: 1.6;
}

.anki-prompt-modal__textarea:focus {
  border-color: var(--brand-blue);
}

.anki-prompt-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.anki-prompt-modal__immutable {
  margin-top: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface-alt);
  overflow: hidden;
}

.anki-prompt-modal__immutable-title {
  padding: var(--space-3) var(--space-4);
  font-weight: 700;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.anki-prompt-modal__immutable-body {
  margin: 0;
  padding: var(--space-4);
  max-height: 220px;
  overflow: auto;
  color: var(--text-secondary);
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.88rem;
  line-height: 1.5;
}

@media (max-width: 720px) {
  .deep-learn-modal {
    padding: var(--space-3);
    align-items: flex-start;
  }

  .deep-learn-modal__dialog {
    padding: var(--space-22) var(--space-4-5) var(--space-4-5);
    max-height: calc(100vh - 24px);
  }

  .deep-learn-modal h3 {
    font-size: 1.45rem;
  }

  .anki-prompt-mode-row {
    flex-wrap: wrap;
  }

  .anki-prompt-inline {
    flex-basis: 100%;
  }

  .anki-prompt-edit-btn {
    width: 100%;
  }

  .anki-prompt-modal__textarea {
    min-height: 260px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-app: #0b1220;
    --bg-surface: #0f172a;
    --bg-surface-alt: #16233c;
    --bg-surface-warm: #1a2334;
    --surface: var(--bg-surface);
    --surface-alt: var(--bg-surface-alt);
    --text: #e5e7eb;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-disabled: #64748b;
    --muted: #94a3b8;
    --brand-dark: #0b1220;
    --text-on-brand: #0b1220;
    --border: #243047;
    --shadow-1: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
    --shadow-2: 0 10px 30px -16px rgba(0, 0, 0, 0.6), 0 6px 18px -12px rgba(0, 0, 0, 0.55);
  }

  body {
    background-color: var(--bg-app);
    color: var(--text-secondary);
    color-scheme: dark;
  }

  .site-header {
    background-color: var(--bg-surface);
    border-color: var(--border);
  }

  .site-header__brand {
    color: var(--text);
  }

  .site-header__nav a {
    color: var(--text-secondary);
  }

  .site-header__nav a:hover,
  .site-header__nav a.active {
    color: var(--text);
    background-color: rgba(59, 130, 246, 0.18);
  }

  .site-header__toggle {
    border-color: var(--border);
  }

  .site-header__toggle span {
    background: var(--text);
  }

  .card,
  .question-main .card,
  .practice-footer,
  .deep-learn-modal__dialog,
  .marketing-visual {
    background-color: var(--bg-surface);
    border-color: var(--border);
    color: var(--text);
  }

  .card--subdued,
  .builder-column,
  .builder-collapse,
  .question-sidebar,
  .marketing-section--alt {
    background: var(--bg-surface-alt);
    border-color: var(--border);
  }

  .marketing-section {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(13, 20, 34, 0.98));
    border: 1px solid var(--border);
  }

  .marketing-section--alt {
    background: linear-gradient(160deg, rgba(22, 35, 60, 0.9), rgba(15, 23, 42, 0.92));
    border: 1px solid var(--border);
  }

  .section-header h2 {
    color: var(--text);
  }

  .section-header p {
    color: var(--text-secondary);
  }

  .builder-collapse::after {
    background: rgba(148, 163, 184, 0.2);
  }

  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="password"],
  input[type="date"],
  select,
  textarea {
    background-color: var(--bg-surface);
    color: var(--text);
    border-color: var(--border);
  }

  .input-shell {
    background-color: var(--bg-surface);
    border-color: var(--border);
  }

  .input-shell::after {
    border-top-color: var(--text-muted);
  }

  input::placeholder,
  textarea::placeholder {
    color: var(--muted);
  }

  .amount-bubble-label {
    background: var(--bg-surface-alt);
    border-color: var(--border);
    color: var(--text);
  }

  .amount-bubble-input:checked+.amount-bubble-label {
    background: var(--brand);
    color: var(--brand-dark);
    border-color: var(--brand);
    box-shadow: 0 0 0 2px rgba(255, 229, 180, 0.22);
  }

  .amount-bubble-custom input {
    color: var(--text);
  }

  .btn {
    color: var(--text);
  }

  .btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
  }

  .btn--ghost {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: var(--border);
    color: var(--text);
  }

  .btn--primary {
    color: #0b1220;
  }

  .lesson-list__item {
    background: var(--bg-surface-alt);
    color: var(--text);
    box-shadow: none;
  }

  .lesson-content {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.9));
    color: var(--text);
  }

  .lesson-html p {
    color: var(--text-secondary);
  }

  .checkbox-item {
    background: var(--bg-surface-alt);
    border-color: var(--border);
    color: var(--text);
  }

  .checkbox-item:hover {
    background: rgba(59, 130, 246, 0.14);
    border-color: rgba(59, 130, 246, 0.35);
  }

  .answer-option,
  .choice-item {
    background: var(--bg-surface);
    border-color: var(--border);
    color: var(--text);
  }

  .answer-option:hover,
  .choice-item:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.45);
  }

  .answer-option.is-selected {
    border-color: rgba(59, 130, 246, 0.55);
    background: linear-gradient(160deg, rgba(59, 130, 246, 0.18), rgba(48, 213, 200, 0.16));
  }

  .answer-option.is-correct {
    background: rgba(34, 197, 94, 0.14);
  }

  .answer-option.is-incorrect {
    background: rgba(248, 113, 113, 0.14);
  }

  .flash {
    border-color: transparent;
  }

  .flash--success {
    background-color: rgba(34, 197, 94, 0.14);
    color: #bbf7d0;
  }

  .flash--error {
    background-color: rgba(248, 113, 113, 0.16);
    color: #fecdd3;
  }

  .flash--info {
    background-color: rgba(59, 130, 246, 0.16);
    color: #bfdbfe;
  }

  .flash--warning {
    background-color: rgba(251, 191, 36, 0.18);
    color: #fde68a;
  }

  .comment,
  .comments-empty,
  .comment-form,
  .choice-item,
  .auth-tab.active,
  .auth-card-new {
    background-color: var(--bg-surface);
    color: var(--text);
  }

  .comment,
  .comments-empty,
  .comment-form,
  .choice-item {
    border-color: var(--border);
  }

  .auth-tab.active {
    border: 1px solid var(--border);
  }

  .auth-card-new {
    border-color: var(--border);
    background: rgba(15, 23, 42, 0.9);
  }

  .auth-card-new input[type="text"],
  .auth-card-new input[type="email"],
  .auth-card-new input[type="password"],
  .auth-card-new select {
    background-color: var(--bg-surface-alt);
    border-color: var(--border);
    color: var(--text);
  }

  .choice-item:hover {
    border-color: var(--brand);
  }

  .sidebar-btn.is-correct {
    border-color: rgba(34, 197, 94, 0.45);
    background: rgba(34, 197, 94, 0.16);
  }

  .sidebar-btn.is-incorrect {
    border-color: rgba(248, 113, 113, 0.45);
    background: rgba(248, 113, 113, 0.16);
  }

  .tab-btn {
    background: var(--bg-surface);
    color: var(--text-secondary);
  }

  .tab-btn.is-active {
    color: var(--text-on-brand);
  }

  .btn--deep-learn,
  .btn--deep-learn:hover {
    background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
      linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
    color: var(--text);
    box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.6);
  }

  .explanation-card--deep-active {
    background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
      linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
    box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.6);
  }

  .explanation-card--deep-active:hover {
    background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
      linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  }

  .question-labs {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.25);
  }

  .practice-meta__mode {
    background: rgba(59, 130, 246, 0.16);
    color: var(--text);
  }

  .question-number {
    color: var(--text);
  }

  .question-nav {
    color: var(--text);
    font-weight: 600;
    background: transparent;
    border-color: rgba(148, 163, 184, 0.35);
  }

  .question-nav:hover,
  .question-nav.is-active {
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.18), rgba(48, 213, 200, 0.1));
    color: var(--text);
  }

  .question-nav.is-correct {
    color: var(--text);
  }

  .question-nav.is-incorrect {
    color: var(--text);
  }

  .question-nav.is-correct:hover,
  .question-nav.is-correct.is-active {
    color: var(--text);
  }

  .question-nav.is-incorrect:hover,
  .question-nav.is-incorrect.is-active {
    color: var(--text);
  }


  .question-nav.is-correct,
  .question-nav.is-correct:hover,
  .question-nav.is-correct.is-active {
    background: transparent;
    border-color: rgba(34, 197, 94, 0.8);
  }

  .question-nav.is-incorrect,
  .question-nav.is-incorrect:hover,
  .question-nav.is-incorrect.is-active {
    background: transparent;
    border-color: rgba(248, 113, 113, 0.85);
  }

  .share-field__label {
    color: var(--text-secondary);
  }

  .share-field__input,
  .share-field__textarea {
    background: var(--bg-surface);
    border-color: var(--border);
    color: var(--text);
  }

  .tag {
    color: var(--text);
  }

  .tag--muted {
    background: rgba(148, 163, 184, 0.12);
  }

  .highlight {
    background: rgba(255, 214, 102, 0.3);
    color: var(--brand-dark);
  }

  .highlight-token {
    background: rgba(255, 214, 102, 0.42);
    color: var(--brand-dark);
  }

  .filter-pill--active {
    background-color: rgba(59, 130, 246, 0.16);
    color: var(--text);
    border-color: rgba(59, 130, 246, 0.35);
  }



  .practice-footer {
    background: linear-gradient(120deg, rgba(15, 23, 42, 0.9), rgba(17, 24, 39, 0.94));
    border-top: 1px solid rgba(148, 163, 184, 0.25);
  }

  .site-footer {
    color: var(--text-muted);
  }

}

/* Manual theme overrides */
:root[data-theme="dark"] {
  --bg-app: #0b1220;
  --bg-surface: #0f172a;
  --bg-surface-alt: #16233c;
  --bg-surface-warm: #1a2334;
  --surface: var(--bg-surface);
  --surface-alt: var(--bg-surface-alt);
  --text: #e5e7eb;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-disabled: #64748b;
  --muted: #94a3b8;
  --brand-dark: #0b1220;
  --text-on-brand: #0b1220;
  --border: #243047;
  --shadow-1: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
  --shadow-2: 0 10px 30px -16px rgba(0, 0, 0, 0.6), 0 6px 18px -12px rgba(0, 0, 0, 0.55);
}

body[data-theme="dark"],
:root[data-theme="dark"] body {
  background-color: var(--bg-app);
  color: var(--text-secondary);
  color-scheme: dark;
}

[data-theme="dark"] .site-header {
  background-color: var(--bg-surface);
  border-color: var(--border);
}

[data-theme="dark"] .site-header__brand {
  color: var(--text);
}

[data-theme="dark"] .site-header__nav a {
  color: var(--text-secondary);
}

[data-theme="dark"] .site-header__nav a:hover,
[data-theme="dark"] .site-header__nav a.active {
  color: var(--text);
  background-color: rgba(59, 130, 246, 0.18);
}

[data-theme="dark"] .site-header__toggle {
  border-color: var(--border);
}

[data-theme="dark"] .site-header__toggle span {
  background: var(--text);
}

[data-theme="dark"] .card,
[data-theme="dark"] .question-main .card,
[data-theme="dark"] .practice-footer,
[data-theme="dark"] .deep-learn-modal__dialog,
[data-theme="dark"] .marketing-visual {
  background-color: var(--bg-surface);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .card--subdued,
[data-theme="dark"] .builder-column,
[data-theme="dark"] .builder-collapse,
[data-theme="dark"] .question-sidebar,
[data-theme="dark"] .marketing-section--alt {
  background: var(--bg-surface-alt);
  border-color: var(--border);
}

[data-theme="dark"] .marketing-section {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(13, 20, 34, 0.98));
  border: 1px solid var(--border);
}

[data-theme="dark"] .marketing-section--alt {
  background: linear-gradient(160deg, rgba(22, 35, 60, 0.9), rgba(15, 23, 42, 0.92));
  border: 1px solid var(--border);
}

[data-theme="dark"] .section-header h2 {
  color: var(--text);
}

[data-theme="dark"] .section-header p {
  color: var(--text-secondary);
}

[data-theme="dark"] .builder-collapse::after {
  background: rgba(148, 163, 184, 0.2);
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background-color: var(--bg-surface);
  color: var(--text);
  border-color: var(--border);
}

[data-theme="dark"] .input-shell {
  background-color: var(--bg-surface);
  border-color: var(--border);
}

[data-theme="dark"] .input-shell::after {
  border-top-color: var(--text-muted);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
  color: var(--muted);
}

[data-theme="dark"] .amount-bubble-label {
  background: var(--bg-surface-alt);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .amount-bubble-input:checked+.amount-bubble-label {
  background: var(--brand);
  color: var(--brand-dark);
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(255, 229, 180, 0.22);
}

[data-theme="dark"] .amount-bubble-custom input {
  color: var(--text);
}

[data-theme="dark"] .btn {
  color: var(--text);
}

[data-theme="dark"] .btn:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .btn--ghost {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .btn--accent-baby {
  background-color: rgba(180, 206, 255, 0.14);
  border-color: rgba(180, 206, 255, 0.22);
  color: var(--text);
}

[data-theme="dark"] .btn--accent-baby:hover {
  background-color: rgba(180, 206, 255, 0.2);
  border-color: rgba(180, 206, 255, 0.3);
  color: var(--text);
}

[data-theme="dark"] .btn--primary {
  color: #0b1220;
}

[data-theme="dark"] .lesson-list__item {
  background: var(--bg-surface-alt);
  color: var(--text);
  box-shadow: none;
}

[data-theme="dark"] .lesson-content {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.9));
  color: var(--text);
}

[data-theme="dark"] .lesson-html p {
  color: var(--text-secondary);
}

[data-theme="dark"] .checkbox-item {
  background: var(--bg-surface-alt);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .checkbox-item:hover {
  background: rgba(59, 130, 246, 0.14);
  border-color: rgba(59, 130, 246, 0.35);
}

[data-theme="dark"] .info-icon {
  border-color: rgba(148, 163, 184, 0.3);
  background: rgba(148, 163, 184, 0.08);
  color: var(--text-secondary);
}

[data-theme="dark"] .info-icon::after {
  background: rgba(2, 6, 23, 0.96);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .info-icon::before {
  border-color: rgba(2, 6, 23, 0.96) transparent transparent transparent;
}

[data-theme="dark"] .answer-option,
[data-theme="dark"] .choice-item {
  background: var(--bg-surface);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .answer-option:hover,
[data-theme="dark"] .choice-item:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.45);
}

[data-theme="dark"] .answer-option.is-selected {
  border-color: rgba(59, 130, 246, 0.55);
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.18), rgba(48, 213, 200, 0.16));
}

[data-theme="dark"] .answer-option.is-correct {
  background: rgba(34, 197, 94, 0.14);
}

[data-theme="dark"] .answer-option.is-incorrect {
  background: rgba(248, 113, 113, 0.14);
}

[data-theme="dark"] .flash {
  border-color: transparent;
}

[data-theme="dark"] .flash--success {
  background-color: rgba(34, 197, 94, 0.14);
  color: #bbf7d0;
}

[data-theme="dark"] .flash--error {
  background-color: rgba(248, 113, 113, 0.16);
  color: #fecdd3;
}

[data-theme="dark"] .flash--info {
  background-color: rgba(59, 130, 246, 0.16);
  color: #bfdbfe;
}

[data-theme="dark"] .flash--warning {
  background-color: rgba(251, 191, 36, 0.18);
  color: #fde68a;
}

[data-theme="dark"] .comment,
[data-theme="dark"] .comments-empty,
[data-theme="dark"] .comment-form,
[data-theme="dark"] .choice-item,
[data-theme="dark"] .auth-tab.active,
[data-theme="dark"] .auth-card-new {
  background-color: var(--bg-surface);
  color: var(--text);
}

[data-theme="dark"] .comment,
[data-theme="dark"] .comments-empty,
[data-theme="dark"] .comment-form,
[data-theme="dark"] .choice-item {
  border-color: var(--border);
}

[data-theme="dark"] .auth-tab.active {
  border: 1px solid var(--border);
}

[data-theme="dark"] .auth-card-new {
  border-color: var(--border);
  background: rgba(15, 23, 42, 0.9);
}

[data-theme="dark"] .auth-card-new input[type="text"],
[data-theme="dark"] .auth-card-new input[type="email"],
[data-theme="dark"] .auth-card-new input[type="password"],
[data-theme="dark"] .auth-card-new select {
  background-color: var(--bg-surface-alt);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .choice-item:hover {
  border-color: var(--brand);
}

[data-theme="dark"] .sidebar-btn.is-correct {
  border-color: rgba(34, 197, 94, 0.45);
  background: rgba(34, 197, 94, 0.16);
}

[data-theme="dark"] .sidebar-btn.is-incorrect {
  border-color: rgba(248, 113, 113, 0.45);
  background: rgba(248, 113, 113, 0.16);
}

[data-theme="dark"] .tab-btn {
  background: var(--bg-surface);
  color: var(--text-secondary);
}

[data-theme="dark"] .tab-btn.is-active {
  color: var(--text-on-brand);
}

[data-theme="dark"] .btn--deep-learn,
[data-theme="dark"] .btn--deep-learn:hover {
  background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  color: var(--text);
  box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .explanation-card--deep-active {
  background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .explanation-card--deep-active:hover {
  background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
}

[data-theme="dark"] .question-labs {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.25);
}

[data-theme="dark"] .practice-meta__mode {
  background: rgba(59, 130, 246, 0.16);
  color: var(--text);
}

[data-theme="dark"] .question-number {
  color: var(--text);
}

[data-theme="dark"] .question-nav {
  color: var(--text);
  font-weight: 600;
  background: transparent;
  border-color: rgba(148, 163, 184, 0.35);
}

[data-theme="dark"] .question-nav:hover,
[data-theme="dark"] .question-nav.is-active {
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.18), rgba(48, 213, 200, 0.1));
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-correct {
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-incorrect {
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-correct:hover,
[data-theme="dark"] .question-nav.is-correct.is-active {
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-incorrect:hover,
[data-theme="dark"] .question-nav.is-incorrect.is-active {
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-correct,
[data-theme="dark"] .question-nav.is-correct:hover,
[data-theme="dark"] .question-nav.is-correct.is-active {
  background: transparent;
  border-color: rgba(34, 197, 94, 0.8);
}

[data-theme="dark"] .question-nav.is-incorrect,
[data-theme="dark"] .question-nav.is-incorrect:hover,
[data-theme="dark"] .question-nav.is-incorrect.is-active {
  background: transparent;
  border-color: rgba(248, 113, 113, 0.85);
}

[data-theme="dark"] .share-field__label {
  color: var(--text-secondary);
}

[data-theme="dark"] .share-field--compact {
  background: var(--bg-surface);
  border-color: var(--border);
}

[data-theme="dark"] .share-field__copy-btn {
  background: rgba(59, 130, 246, 0.16);
}

[data-theme="dark"] .share-field__input,
[data-theme="dark"] .share-field__textarea {
  background: var(--bg-surface);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .tag {
  color: var(--text);
}

:root[data-theme="light"] {
  --bg-app: #f9fafb;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f3f4f6;
  --bg-surface-warm: #fff7ed;
  --surface: var(--bg-surface);
  --surface-alt: var(--bg-surface-alt);
  --text: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --text-disabled: #9ca3af;
  --muted: #6b7280;
  --brand-dark: #1f2937;
  --text-on-brand: #1f2937;
  --border: #e5e7eb;
  --shadow-1: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-2: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  color-scheme: light;
}

body[data-theme="light"],
:root[data-theme="light"] body {
  color-scheme: light;
  background-color: var(--bg-app);
  color: var(--text-secondary);
}

.policy-body {
  background: var(--bg-surface);
  color: var(--text);
}

.policy-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) var(--space-96);
}

.policy-hero {
  margin-bottom: var(--space-20);
}

.policy-kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: var(--space-1-5);
}

.policy-hero h1 {
  margin: 0 0 var(--space-2);
  font-size: 2.5rem;
}

.policy-hero p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.policy-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-1);
}

.policy-card+.policy-card {
  margin-top: var(--space-4);
}

.policy-section+.policy-section {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.policy-section h2 {
  margin: 0 0 var(--space-2-5);
  font-size: 1.2rem;
  color: var(--text);
}

.policy-section p {
  margin: 0 0 var(--space-2-5);
  color: var(--text-secondary);
  line-height: 1.7;
}

.policy-section ul {
  margin: var(--space-3) 0;
  padding-left: var(--space-20);
  color: var(--text-secondary);
}

.policy-section li {
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

.policy-footer {
  text-align: center;
  margin-top: var(--space-6);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-40) var(--space-20);
  line-height: 1.6;
  color: var(--text-secondary);
}

.legal-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.legal-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.legal-content p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.legal-content ul {
  margin-bottom: 1rem;
  padding-left: 2rem;
  color: var(--text-secondary);
}

.legal-content li {
  margin-bottom: 0.5rem;
}

.legal-content strong {
  color: var(--text);
}

.admin-console {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.admin-actions form {
  margin: 0;
  width: 100%;
}

.admin-actions .btn {
  width: 100%;
  justify-content: center;
}

.admin-console__frame {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: var(--shadow-1);
  min-height: 70vh;
}

.admin-console__frame iframe {
  width: 100%;
  min-height: 70vh;
  border: 0;
  background: #fff;
}

.admin-table-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.admin-table-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1-5) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-surface-alt);
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.practice-meta__timer {
  cursor: pointer;
  user-select: none;
  transition: opacity 0.2s;
}

.practice-meta__timer--paused {
  opacity: 0.7;
  font-style: italic;
}

.btn--secondary {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  background-color: var(--bg-surface-alt);
  border-color: var(--brand);
}

.analysis-form-group {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
}

.analysis-form-inline {
  flex-direction: row;
  align-items: center;
  flex-wrap: nowrap;
}

@media (max-width: 600px) {
  .analysis-form-inline {
    flex-wrap: wrap;
  }
}

.analysis-input-shell {
  max-width: 200px;
  flex-shrink: 0;
}

.btn-upload-csv {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.analysis-file-name {
  margin-top: var(--space-2);
  display: block;
}

.chart-container--wide {
  min-height: 300px;
}

.analysis-results-container {
  display: none;
}

.analysis-table-wrapper {
  margin-top: var(--space-4);
}

.analysis-incorrect-count {
  color: #ea5a6b;
  font-weight: bold;
}

.recommendation-textarea {
  background-color: var(--bg-surface-alt);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.recommendation-actions {
  margin-top: var(--space-2);
}

.recommendation-status {
  margin-top: var(--space-2);
  font-size: 0.9em;
}

.analysis-empty-message {
  text-align: center;
}

.learn-shell {
  margin: var(--space-6) auto var(--space-6) auto;
  max-width: var(--container-max-width);
  width: min(var(--container-max-width), 100%);

  padding: 0 var(--container-pad-x);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.learn-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.32fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: stretch;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.learn-tier-info {
  margin-bottom: 0.5rem;
}

@media (min-width: 901px) {

  .page-learn,
  .page-index,
  .page-dashboard,
  .page-settings,
  .page-nbme {
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .page-learn .site-header,
  .page-index .site-header,
  .page-dashboard .site-header,
  .page-settings .site-header,
  .page-nbme .site-header {
    flex-shrink: 0;
  }

  .page-learn .site-footer,
  .page-index .site-footer,
  .page-dashboard .site-footer,
  .page-settings .site-footer,
  .page-nbme .site-footer {
    flex-shrink: 0;
  }

  .page-learn .learn-shell {
    flex: 1 1 auto;
    min-height: 0;

  }

  .page-learn .learn-grid {
    flex: 1 1 auto;
    min-height: 0;
  }

  .page-index .container,
  .page-dashboard .container,
  .page-settings .container,
  .page-nbme .container {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    margin-top: var(--space-6);
    margin-bottom: 0;
  }
}

.page-nbme .nbme-insights-video {
  margin-top: var(--space-3);
}

.page-nbme .nbme-insights-video video {
  width: 100%;
  max-width: 820px;
  height: auto;
  display: block;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}

@media (max-width: 1100px) {
  .learn-grid {
    grid-template-columns: minmax(240px, 0.4fr) minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .learn-grid {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
    flex: none;
  }

  .learn-shell {
    height: auto;
    overflow: visible;
    display: block;
  }

  .learn-sidebar {
    height: auto;
    overflow: visible;
  }

  .lesson-main {
    height: auto;
    overflow: visible;
  }
}

.learn-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 0;
  overflow-y: auto;
  padding-right: var(--space-1);
}

.lesson-list-card,
.learn-form-card {
  flex-shrink: 0;
}

.lesson-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2-5);
}

.lesson-list__header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  margin-bottom: var(--space-2-5);
}

.lesson-list__title-main {
  margin: var(--space-0-5) 0 0;
}

.lesson-list__hint {
  margin-top: var(--space-2-5);
}

.lesson-list__item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: var(--bg-surface-alt);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.12s ease;
}

.lesson-list__item:hover,
.lesson-list__item:focus-visible {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-2);
  transform: translateY(-1px);
}

.lesson-list__item.is-active {
  border-color: var(--accent-blue);
  box-shadow: 0 12px 30px -18px rgba(59, 130, 246, 0.35);
}

.lesson-list__title {
  font-weight: 700;
  color: var(--text);
}

.lesson-list__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-1-5);
}

.lesson-subtitle {
  color: var(--text-muted, #6b7280);
  font-size: 0.9rem;
}

.lesson-error {
  color: #b91c1c;
  font-size: 0.9rem;
  margin-top: var(--space-1-5);
}

.lesson-status {
  padding: var(--space-0-5) var(--space-2-5);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text);
}

.lesson-status--completed {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
  border-color: rgba(34, 197, 94, 0.4);
}

.lesson-status--processing,
.lesson-status--pending,
.lesson-status--queued {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.4);
}

.lesson-status--failed {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
  border-color: rgba(185, 28, 28, 0.35);
}

.lesson-main {
  min-height: 0;
  width: 100%;
  overflow-y: auto;
}

.lesson-content {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4-5);
  background: var(--bg-surface);
  color: var(--text);
  box-shadow: var(--shadow-2);
}

.lesson-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.lesson-tags {
  display: flex;
  gap: var(--space-1-5);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.lesson-body {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3-5);
}

.lesson-qid-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-2) var(--space-2-5);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface-alt);
  margin-top: var(--space-2);
}

.lesson-qid-label {
  font-weight: 600;
  color: var(--text);
}

.lesson-qid-values {
  color: var(--text-secondary);
  font-family: monospace;
}

.lesson-html {
  color: var(--text);
}

.lesson-html h1,
.lesson-html h2,
.lesson-html h3,
.lesson-html h4 {
  color: var(--text);
}

.lesson-html p {
  color: var(--text-secondary);
}

.lesson-html table {
  width: 100%;
  border-collapse: collapse;
}

.lesson-html th,
.lesson-html td {
  border: 1px solid var(--border);
  padding: var(--space-1-5) var(--space-2);
  text-align: left;
}

.lesson-html a {
  color: var(--accent-blue);
}

@media (max-width: 640px) {
  .page-learn {
    overflow-x: hidden;
  }

  .learn-shell {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
    margin-top: var(--space-1);
    height: auto;
    overflow: visible;
    max-width: 100%;
    width: 100%;
  }

  .learn-grid {
    gap: var(--space-3);
    height: auto;
    max-width: 100%;
    width: 100%;
    overflow: visible;
  }

  .learn-sidebar {
    height: auto;
    overflow: visible;
    padding-right: 0;
    max-width: 100%;
  }

  .learn-sidebar .card {
    padding: var(--space-3-5);
    max-width: 100%;
  }

  .learn-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .learn-form .form-group--actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2-5);
  }

  .learn-form .btn {
    width: 100%;
    justify-content: center;
  }

  .lesson-main {
    min-height: 0;
    height: auto;
    overflow: visible;
    max-width: 100%;
  }

  .lesson-content {
    padding: var(--space-3-5);
    min-height: 0;
    max-width: 100%;
    width: 100%;
    overflow-x: hidden;
  }

  .lesson-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .lesson-header h2 {
    margin: 0;
    font-size: 1.2rem;
  }

  .lesson-header__meta {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
  }

  .lesson-list__item {
    padding: var(--space-2-5);
  }

  .lesson-list__meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .lesson-qid-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1-5);
    width: 100%;
  }

  .lesson-qid-values {
    word-break: break-word;
    overflow-wrap: anywhere;
    max-width: 100%;
  }

  .lesson-practice-btn {
    width: 100%;
  }

  .lesson-html {
    font-size: 1rem;
    max-width: 100%;
    overflow-x: auto;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .lesson-html table {
    display: block;
    width: 100%;
    max-width: 100%;
    table-layout: fixed;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .lesson-html th,
  .lesson-html td {
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
  }
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-gap);
  margin: 0 auto;
}

.dashboard-span-full {
  grid-column: 1 / -1;
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .dashboard-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
    overflow-x: hidden;
  }

  .dashboard-grid .card {
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }

  .dashboard-grid .chart-container,
  .dashboard-grid .chart-container--square,
  .dashboard-grid .chart-container--short {
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }
}

@media (min-width: 1024px) {
  .dashboard-span-2 {
    grid-column: span 2;
  }

  .dashboard-span-full {
    grid-column: 1 / -1;
  }

  /* Review page tweaks */
  .review-header__actions {
    gap: 0.5rem;
  }

  .review-header__actions .muted {
    text-align: right;
  }

  .insight-title {
    margin-top: 1rem;
    font-size: 1.15rem;
    font-weight: 700;
  }

  .insight-summary {
    font-size: 1.05rem;
  }

  .insight-accent {
    color: #dc2626;
    font-weight: 700;
  }
}

.dashboard-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  align-items: center;
  justify-items: center;
  margin-top: 1.5rem;
}

.dashboard-summary-grid .summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 200px;
}

.page-dashboard .open120-block-grid .summary-item {
  max-width: 100%;
  align-items: flex-start;
}

.page-dashboard .dashboard-summary .summary-item {
  border: none;
  background: transparent;
  padding: 0;
  box-shadow: none;
  border-radius: 0;
}

.dashboard-summary-grid .summary-item__title {
  margin: 0 0 1rem 0;
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-align: center;
}

.dashboard-summary-grid .summary-item__chart {
  position: relative;
  width: 160px;
  height: 160px;
}

.exam-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  margin-left: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-blue);
  background-color: var(--accent-blue-baby);
  border-radius: var(--radius-pill);
  vertical-align: middle;
}

@media (max-width: 768px) {
  .dashboard-summary-grid {
    gap: 1rem;
    grid-template-columns: 1fr 1fr;
  }

  .dashboard-summary-grid .summary-item__chart {
    width: 120px;
    height: 120px;
  }

  .dashboard-summary-grid .summary-item__title {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
  }

  .exam-badge {
    display: block;
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .dashboard-summary h2 {
    text-align: center;
  }

  .chart-container--short {
    aspect-ratio: 3 / 1;
    min-height: 120px;
  }

  .chart-container--square {
    aspect-ratio: 1 / 1;
    min-height: 220px;
  }
}

@media (max-width: 400px) {
  .dashboard-summary-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-summary-grid .summary-item {
    max-width: 100%;
  }

  .dashboard-summary-grid .summary-item__chart {
    width: 140px;
    height: 140px;
  }
}

@media (max-width: 768px) {
  .dashboard-table-wrapper {
    margin: 0 -1rem;
    padding: 0 1rem;
  }

  .dashboard-table {
    font-size: 0.875rem;
  }

  .dashboard-table th,
  .dashboard-table td {
    padding: 0.75rem 0.5rem;
  }

  .dashboard-share {
    min-width: 100px;
  }

  .dashboard-actions {
    white-space: nowrap;
  }

  .share-field--compact {
    min-width: 180px;
  }
}

/* Anki Cards Section */
.explanation-anki {
  margin-top: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.anki-section {
  margin-top: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 0.98rem;
  box-shadow: none;
}

.anki-section--top {
  margin-bottom: 0;
  border-bottom: 0;
}

.anki-section__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.anki-section__content {
  flex: 1;
  word-break: break-word;
  min-width: 220px;
  color: var(--text);
  line-height: 1.5;
}

.anki-section__content strong {
  display: inline-block;
  margin-bottom: var(--space-1);
}

.anki-section__cards {
  margin: var(--space-2-5) 0 0;
  white-space: pre-wrap;
  max-height: none;
  overflow: visible;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 0.95rem;
  line-height: 1.45;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.anki-table-wrap {
  margin-top: var(--space-2-5);
  border: 1px solid var(--border, #cbd5e1);
  border-radius: 10px;
  overflow-x: auto;
  background: var(--bg-surface, #ffffff);
}

.anki-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  line-height: 1.4;
  min-width: 860px;
}

.anki-table th,
.anki-table td {
  border-bottom: 1px solid var(--border, #cbd5e1);
  padding: 0.55rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

.anki-table th {
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted, #64748b);
  background: var(--bg-muted, #f8fafc);
}

.anki-table tbody tr:last-child td {
  border-bottom: 0;
}

.anki-section__cta {
  margin-top: var(--space-3-5);
  display: flex;
  justify-content: center;
}

#anki-panel.is-active {
  display: flex;
  flex-direction: column;
}

.anki-section--empty {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.anki-section--empty .anki-section__cta {
  margin-top: auto;
  padding-top: var(--space-4);
}

@media (max-width: 640px) {
  .anki-section__cards {
    font-size: 0.9rem;
  }
}

/* Planner page */
.page-planner {
  --planner-learning: var(--accent-blue);
  --planner-practice: var(--success);
  --planner-exam: var(--danger);
  --planner-buffer: var(--text-muted);
}

.page-planner .marketing-main {
  width: min(var(--container-max-width), 100%);
  margin-inline: auto;
}

.page-planner .planner-shell {
  padding-top: var(--space-2);
}

.page-planner .hero {
  margin-bottom: var(--space-22);
}

.page-planner .hero h1 {
  margin: var(--space-1) 0 var(--space-1-5);
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-planner .lede {
  margin: var(--space-1-5) 0 0;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 760px;
}

.page-planner .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 600;
}

.page-planner .inputs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
}

.page-planner .planner-bottom-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr)) minmax(220px, 1fr);
  gap: var(--space-3);
  align-items: end;
  margin-top: var(--space-3);
}

.page-planner .planner-submit {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: stretch;
}

.page-planner .planner-submit .hint {
  width: 100%;
  text-align: left;
}

.page-planner .planner-submit .btn {
  width: 100%;
}

.card__header--top {
  align-items: flex-start;
}

.card__content-grow {
  flex: 1;
}

.planner-presets--start {
  margin-top: var(--space-4);
  justify-content: flex-start;
}

.page-planner .field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface-alt);
}

.page-planner .field>span {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.page-planner .field-group {
  grid-column: 1 / -1;
}

.page-planner .pill-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-2);
}

.page-planner .pill-group.testing-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-planner .pill-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-planner .pill {
  gap: var(--space-2);
  height: auto;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-surface);
  font-size: 0.9rem;
  color: var(--text);
}

.page-planner .pill input {
  accent-color: var(--brand-blue);
}

.page-planner .pill-heading {
  border: none;
  background: transparent;
  padding: 0;
  margin: var(--space-1) 0 var(--space-0-5);
  font-weight: 700;
  color: var(--text);
  cursor: default;
}

.page-planner .actions {
  margin-top: var(--space-3-5);
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}

.page-planner .hint {
  color: var(--danger);
  min-height: 20px;
  font-weight: 500;
}

.page-planner .stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-2-5);
}

.page-planner #plannerCalendarCard .stats {
  margin: 0 0 var(--space-3);
}

.page-planner .planner-progress {
  margin: 0 0 var(--space-3);
}

.page-planner .planner-progress__title {
  margin-bottom: 0.75rem;
}

.page-planner .stat {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-surface-alt);
}

.page-planner .stat .label {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.page-planner .stat .value {
  font-size: 1.25rem;
  margin-top: var(--space-1);
  color: var(--text);
  font-weight: 700;
}

.page-planner .collapsible {
  padding: 0;
}

.page-planner .collapsible summary {
  list-style: none;
}

.page-planner .collapsible>summary::-webkit-details-marker {
  display: none;
}

.page-planner .collapsible-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  cursor: pointer;
}

.page-planner .collapsible-body {
  padding: var(--space-3) 0 0;
  border-top: 1px solid var(--border);
}

.page-planner .chevron {
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  margin-left: var(--space-3);
  flex-shrink: 0;
  margin-top: var(--space-1-5);
}

.page-planner details[open] .chevron {
  transform: rotate(-135deg);
}

.page-planner .plan-methodology {
  margin: var(--space-1-5) 0 var(--space-2-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

.page-planner .plan-methodology h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-planner .method-heading {
  margin: 0 0 var(--space-2);
  font-weight: 700;
  color: var(--text);
}

.page-planner .phase-list {
  margin: 0;
  padding-left: var(--space-4-5);
  line-height: 1.5;
  color: var(--text);
}

.page-planner .method-paragraph {
  margin: 0;
  line-height: 1.6;
  color: var(--text-secondary);
}

.page-planner .method-paragraph a {
  color: var(--brand-blue);
  font-weight: 600;
  text-decoration: none;
}

.page-planner .method-paragraph a:hover {
  text-decoration: underline;
}

.page-planner .legend {
  display: flex;
  gap: var(--space-2-5);
  align-items: center;
  color: var(--text-secondary);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.page-planner .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.page-planner .legend-dot.learning {
  background: var(--planner-learning);
}

.page-planner .legend-dot.practice {
  background: var(--planner-practice);
}

.page-planner .legend-dot.exam {
  background: var(--planner-exam);
}

.page-planner .legend-dot.buffer {
  background: var(--planner-buffer);
}

.page-planner .calendar-controls {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.page-planner .calendar-month {
  font-weight: 700;
  color: var(--text);
  min-width: 150px;
  text-align: center;
}

.page-planner .calendar {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: var(--shadow-1);
}

.page-planner .calendar-dow-grid,
.page-planner .calendar-day-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.page-planner .calendar-day-grid {
  grid-auto-rows: minmax(190px, auto);
  align-items: start;
}

.page-planner .calendar-dow {
  background: var(--bg-surface-alt);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 700;
}

.page-planner .calendar-cell {
  min-height: 180px;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  background: var(--bg-surface);
  position: relative;
}

.page-planner .calendar-day-grid .calendar-cell:nth-child(7n) {
  border-right: none;
}

.page-planner .calendar-date {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.page-planner .calendar-cell.break {
  background: rgba(243, 244, 246, 0.55);
}

.page-planner .calendar-cell.today {
  outline: 2px solid rgba(59, 130, 246, 0.25);
  outline-offset: -2px;
}

.page-planner .calendar-cell.selected {
  box-shadow: inset 0 0 0 2px var(--brand-blue);
}

.page-planner .calendar-events {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-planner .calendar-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-pill);
  background: rgba(243, 244, 246, 0.7);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  max-width: 100%;
  white-space: normal;
  line-height: 1.25;
  cursor: default;
}

.page-planner .calendar-chip.learning {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
  color: #1e3a8a;
}

.page-planner .calendar-chip.practice {
  background: rgba(22, 163, 74, 0.12);
  border-color: rgba(22, 163, 74, 0.35);
  color: #14532d;
}

.page-planner .calendar-chip.exam {
  background: rgba(220, 38, 38, 0.12);
  border-color: rgba(220, 38, 38, 0.35);
  color: #7f1d1d;
}

.page-planner .calendar-chip.buffer {
  background: rgba(156, 163, 175, 0.18);
  border-color: rgba(156, 163, 175, 0.35);
  color: #374151;
}

.page-planner .calendar-chip.more {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.12);
  color: var(--text-secondary);
}

@media (prefers-color-scheme: dark) {
  .page-planner .calendar-cell.break {
    background: rgba(255, 255, 255, 0.03);
  }

  .page-planner .calendar-chip {
    background: rgba(255, 255, 255, 0.06);
  }

  .page-planner .calendar-chip.learning {
    background: rgba(59, 130, 246, 0.18);
    border-color: rgba(59, 130, 246, 0.35);
    color: #dbeafe;
  }

  .page-planner .calendar-chip.practice {
    background: rgba(22, 163, 74, 0.18);
    border-color: rgba(22, 163, 74, 0.35);
    color: #dcfce7;
  }

  .page-planner .calendar-chip.exam {
    background: rgba(220, 38, 38, 0.18);
    border-color: rgba(220, 38, 38, 0.35);
    color: #fee2e2;
  }

  .page-planner .calendar-chip.buffer {
    background: rgba(148, 163, 184, 0.14);
    border-color: rgba(148, 163, 184, 0.3);
    color: var(--text-secondary);
  }

  .page-planner .calendar-chip.more {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
    color: var(--text-secondary);
  }
}

:root[data-theme="dark"] .page-planner .calendar-cell.break,
body[data-theme="dark"].page-planner .calendar-cell.break {
  background: rgba(255, 255, 255, 0.03);
}

:root[data-theme="dark"] .page-planner .calendar-chip,
body[data-theme="dark"].page-planner .calendar-chip {
  background: rgba(255, 255, 255, 0.06);
}

:root[data-theme="dark"] .page-planner .calendar-chip.learning,
body[data-theme="dark"].page-planner .calendar-chip.learning {
  background: rgba(59, 130, 246, 0.18);
  border-color: rgba(59, 130, 246, 0.35);
  color: #dbeafe;
}

:root[data-theme="dark"] .page-planner .calendar-chip.practice,
body[data-theme="dark"].page-planner .calendar-chip.practice {
  background: rgba(22, 163, 74, 0.18);
  border-color: rgba(22, 163, 74, 0.35);
  color: #dcfce7;
}

:root[data-theme="dark"] .page-planner .calendar-chip.exam,
body[data-theme="dark"].page-planner .calendar-chip.exam {
  background: rgba(220, 38, 38, 0.18);
  border-color: rgba(220, 38, 38, 0.35);
  color: #fee2e2;
}

:root[data-theme="dark"] .page-planner .calendar-chip.buffer,
body[data-theme="dark"].page-planner .calendar-chip.buffer {
  background: rgba(148, 163, 184, 0.14);
  border-color: rgba(148, 163, 184, 0.3);
  color: var(--text-secondary);
}

:root[data-theme="dark"] .page-planner .calendar-chip.more,
body[data-theme="dark"].page-planner .calendar-chip.more {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text-secondary);
}

.page-planner .day-nav {
  display: none;
  align-items: center;
  gap: var(--space-2-5);
  margin-bottom: var(--space-2-5);
}

.page-planner .day-nav-label {
  flex: 1;
  text-align: center;
  font-weight: 700;
  color: var(--text);
}

.page-planner .day-detail {
  margin-top: var(--space-3-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  padding: var(--space-3);
  box-shadow: var(--shadow-1);
}

.page-planner .day-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2-5);
  margin-bottom: var(--space-2);
}

.page-planner .day-detail-title {
  font-weight: 700;
  color: var(--text);
}

.page-planner .day-detail-meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.page-planner .day-detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1-5);
}

.page-planner .day-detail-item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-2-5) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border);
}

.page-planner .day-detail-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-planner .day-detail-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.page-planner .day-detail-name {
  color: var(--text);
  font-weight: 600;
}

.page-planner .day-detail-minutes {
  color: var(--text-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
}

.page-planner .day-detail-note,
.page-planner .day-detail-videos {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.4;
}

.page-planner .day-detail-videos {
  margin: var(--space-0-5) 0 0 var(--space-4);
  padding: 0;
  list-style: disc;
}

.page-planner .day-detail-videos li {
  margin: 0;
}

.page-planner .day-detail-empty,
.page-planner .schedule-empty {
  color: var(--text-secondary);
  font-style: italic;
}

.page-planner .tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1-5);
  padding: var(--space-0-5) var(--space-2);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  color: #fff;
  font-weight: 700;
}

.page-planner .tag.learning {
  background: var(--planner-learning);
}

.page-planner .tag.practice {
  background: var(--planner-practice);
}

.page-planner .tag.exam {
  background: var(--planner-exam);
}

.page-planner .tag.buffer {
  background: var(--planner-buffer);
  color: var(--text);
}

@media (max-width: 640px) {
  .page-planner .calendar {
    display: none;
  }

  .page-planner .calendar-controls {
    width: 100%;
  }

  .page-planner .calendar-month {
    width: 100%;
    text-align: left;
    min-width: 0;
  }

  .page-planner .legend {
    display: none;
  }

  .page-planner .calendar-controls .btn--ghost {
    display: none;
  }

  .page-planner .calendar-month {
    display: none;
  }

  .page-planner .day-nav {
    display: flex;
    flex-wrap: wrap;
  }

  .page-planner .day-nav-label {
    width: 100%;
    text-align: left;
  }

  .page-planner .planner-bottom-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .page-planner .planner-submit {
    align-items: stretch;
  }

  .page-planner .planner-submit .btn {
    width: 100%;
  }

  .page-planner .planner-submit .hint {
    text-align: left;
  }
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-0-5) var(--space-2);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

.tag--success {
  background-color: var(--nav-correct-bg);
  color: var(--success);
  border: 1px solid var(--nav-correct-border);
}

.tag--warning {
  background-color: var(--nav-incorrect-bg);
  color: var(--danger);
  border: 1px solid var(--nav-incorrect-border);
}

.alert--warning a {
  color: inherit;
  text-decoration: underline;
}

/* Template style extraction (cleanup) */
.u-display-none {
  display: none !important;
}

.u-link-no-underline {
  text-decoration: none;
}

.input-lowercase {
  text-transform: lowercase;
}

.input-uppercase {
  text-transform: uppercase;
}

.btn--block {
  width: 100%;
}

.admin-inline-form {
  display: inline;
}

/* Login page */
.announcement-popup {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.35);
  z-index: 1000;
  cursor: pointer;
  animation: popupSlideIn 0.4s ease-out, popupPulse 2s ease-in-out 0.4s infinite;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.announcement-popup::before {
  content: "*";
}

.announcement-popup::after {
  content: "x";
  margin-left: var(--space-3);
  opacity: 0.7;
  font-size: 1.1rem;
}

.announcement-popup.hide {
  animation: popupSlideOut 0.3s ease-in forwards;
}

@keyframes popupSlideIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes popupSlideOut {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  to {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }
}

@keyframes popupPulse {

  0%,
  100% {
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.35);
  }

  50% {
    box-shadow: 0 8px 40px rgba(124, 58, 237, 0.5);
  }
}

.auth-label-optional {
  color: #6b7280;
  font-weight: 400;
}

.auth-footer--legal {
  margin-top: 1rem;
  color: #6b7280;
  font-size: 0.75rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.4;
}

.auth-footer__legal-link {
  color: inherit;
  text-decoration: underline;
}

.auth-site-footer {
  margin-top: var(--space-6);
  color: #6b7280;
  font-size: 0.85rem;
}

/* Error page */
.error-card {
  text-align: center;
  padding: var(--space-36);
}

.error-card__code {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.error-card__title {
  margin: var(--space-3) 0 var(--space-4);
}

.error-card__message {
  margin-bottom: var(--space-28);
}

.dashboard-verify-alert {
  margin-bottom: 2rem;
}

.dashboard-extension-banner {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  padding: 1.4rem 1.5rem;
  border-radius: 16px;
  border: 1px solid rgba(59, 130, 246, 0.25);
  background: linear-gradient(125deg, rgba(59, 130, 246, 0.14), rgba(99, 102, 241, 0.06));
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.dashboard-extension-banner__dismiss {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(59, 130, 246, 0.45);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: #1e3a8a;
  font-size: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.dashboard-extension-banner__dismiss:hover {
  background: rgba(255, 255, 255, 0.95);
}

.dashboard-extension-banner__dismiss:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

.dashboard-extension-banner__content {
  flex: 1 1 560px;
  padding-right: 2.25rem;
}

.dashboard-extension-banner__content h2 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}

.dashboard-extension-banner__content .muted {
  margin: 0;
  max-width: 70ch;
  line-height: 1.5;
}

.dashboard-extension-banner__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-end;
  gap: 0.6rem;
  min-width: 240px;
}

.dashboard-extension-banner__actions .btn {
  width: 100%;
  justify-content: center;
}

.me-anki-sources {
  margin-top: var(--space-5);
  border-top: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  padding-top: 1rem;
}

.me-anki-sources h3 {
  margin: 0;
  font-size: 1.02rem;
}

.me-anki-source-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.me-anki-source-item {
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md);
  background: var(--surface-alt, #f8fafc);
  padding: 0.85rem 0.9rem;
}

.me-anki-source-item__name {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.me-anki-source-item__meta {
  margin: 0.4rem 0 0;
  color: var(--muted, #6b7280);
  font-size: 0.86rem;
}

.me-anki-source-item__count {
  margin: 0.55rem 0 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text, #0f172a);
}

.me-learning-recommendations {
  margin-top: var(--space-5);
  border-top: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  padding-top: 1rem;
  min-width: 0;
}

.me-learning-recommendations__summary p {
  margin: 0;
}

.me-learning-recommendations__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.me-learning-recommendations__list {
  display: grid;
  gap: 0.8rem;
  margin-top: 0.9rem;
  min-width: 0;
}

.me-learning-recommendations__item {
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md);
  background: var(--surface-alt, #f8fafc);
  padding: 0.9rem 1rem;
  min-width: 0;
  overflow: hidden;
}

.me-learning-recommendations__item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  min-width: 0;
}

.me-learning-recommendations__item-header strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.me-learning-recommendations__item-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.me-learning-recommendations__review-form {
  margin: 0;
}

.me-learning-recommendations__review-btn {
  white-space: nowrap;
}

.me-learning-recommendations__item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.45rem;
}

.me-learning-recommendations__item-footer-link {
  min-width: 0;
  flex: 1 1 16rem;
}

.me-learning-recommendations__item p {
  margin: 0.45rem 0 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.me-learning-recommendations__item a {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.me-learning-recommendations__empty {
  margin-top: 0.5rem;
}

.me-learning-recommendations__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border, rgba(148, 163, 184, 0.35));
}

.me-learning-recommendations__actions form {
  margin: 0;
}

.me-learning-recommendations__uworld {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border, rgba(148, 163, 184, 0.35));
}

.me-learning-recommendations__uworld.is-hidden {
  display: none;
}

.me-learning-recommendations__uworld-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.me-learning-recommendations__uworld-header h3 {
  margin: 0;
}

.me-learning-recommendations__uworld-header p {
  margin: 0.35rem 0 0;
}

.me-learning-recommendations__uworld-card {
  margin-top: 0.75rem;
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md);
  background: var(--surface-alt, #f8fafc);
  padding: 0.9rem 1rem;
}

.me-learning-recommendations__uworld-copy {
  position: absolute;
  right: 1rem;
  bottom: 0.85rem;
  min-width: 88px;
  background-color: var(--surface-alt, #f8fafc);
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-pill);
  padding: 0.4rem 1rem;
  color: var(--text-secondary, #475569);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.me-learning-recommendations__uworld-copy:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-1);
  border-color: var(--brand-blue);
}

.me-learning-recommendations__uworld-copy:disabled {
  opacity: 0.65;
  cursor: default;
}

.me-learning-recommendations__uworld-copy.copied {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
}

.me-learning-recommendations__uworld-box {
  margin-top: 0;
  background-color: var(--surface, #ffffff);
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.25rem 3.25rem 1.25rem;
  min-height: 140px;
  max-height: 320px;
  overflow-y: auto;
  overflow-wrap: anywhere;
  position: relative;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text, #0f172a);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.me-learning-recommendations__uworld-box .id-text {
  display: block;
  padding-right: 0.25rem;
}

.me-learning-recommendations__uworld-box .id-count {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted, #64748b);
}

.me-learning-recommendations__uworld-note {
  margin: 0.65rem 0 0;
}

.me-learning-recommendations__uworld-matches {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.me-learning-recommendations__uworld-match {
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md);
  background: var(--surface-alt, #f8fafc);
  padding: 0.8rem 0.9rem;
}

.me-learning-recommendations__uworld-match strong {
  display: block;
}

.me-learning-recommendations__uworld-match p {
  margin: 0.35rem 0 0;
}

.flagged-questions-table.admin-user-table {
  table-layout: fixed;
}

.flagged-questions-table.admin-user-table th,
.flagged-questions-table.admin-user-table td {
  white-space: normal;
  vertical-align: top;
}

.flagged-questions-table__actions {
  width: 6.5rem;
}

.flagged-questions-table__platform {
  width: 6.75rem;
}

.flagged-questions-table__flagged-at {
  width: 10.5rem;
}

.flagged-questions-table__media {
  width: 6rem;
}

.flagged-questions-table__topic {
  width: auto;
  min-width: 0;
}

.flagged-question-media {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.75rem;
  height: 4.75rem;
  padding: 0.2rem;
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-sm);
  background: var(--surface, #ffffff);
  cursor: zoom-in;
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.flagged-question-media:hover {
  transform: translateY(-1px);
  border-color: var(--brand-blue);
  box-shadow: var(--shadow-2);
}

.flagged-question-media:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 2px;
}

.flagged-question-media__thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-sm) - 4px);
}

.flagged-questions-table.admin-user-table .me-flagged-topic {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.flagged-questions-table.admin-user-table .flagged-questions-table__actions {
  white-space: nowrap;
}

@media (max-width: 768px) {
  .flagged-questions-table.admin-user-table {
    table-layout: auto;
  }

  .flagged-questions-table.admin-user-table th,
  .flagged-questions-table.admin-user-table td {
    padding: 0.5rem 0.4rem;
    font-size: 0.83rem;
    line-height: 1.35;
  }

  .flagged-questions-table__platform {
    width: 5.5rem;
  }

  .flagged-questions-table__flagged-at {
    width: 7.5rem;
  }

  .flagged-questions-table.admin-user-table .flagged-questions-table__flagged-at {
    white-space: normal !important;
  }

  .flagged-questions-table__media {
    width: 4.2rem;
  }

  .flagged-question-media {
    width: 3.1rem;
    height: 3.1rem;
  }

  .flagged-questions-table.admin-user-table .me-flagged-topic {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }

  .flagged-questions-table.admin-user-table .flagged-questions-table__actions {
    width: 4.5rem;
    min-width: 4.5rem;
    white-space: normal;
  }

  .flagged-questions-table.admin-user-table .flagged-questions-table__actions .admin-inline-form {
    display: inline-flex;
    margin-bottom: 0.35rem;
  }

  .flagged-questions-table.admin-user-table .flagged-questions-table__actions .admin-inline-form:last-child {
    margin-bottom: 0;
  }
}

.me-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
}

.me-action-btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
}

.me-action-btn__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Practice page */
.explanation-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.explanation-header__summary {
  flex: 1;
}

.question-validity {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.question-verify-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2-5);
  margin-left: auto;
}

.validity-pill {
  display: inline-flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
}

.validity-pill__text {
  opacity: 0;
  max-width: 0;
  margin-left: 0;
  overflow: hidden;
  transition: opacity 0.15s ease, max-width 0.15s ease, margin-left 0.15s ease;
}

.validity-pill:hover,
.validity-pill:focus-within {
  gap: var(--space-1-5);
}

.validity-pill:hover .validity-pill__text,
.validity-pill:focus-within .validity-pill__text {
  opacity: 1;
  max-width: 10rem;
  margin-left: var(--space-1-5);
}

.figure-images {
  margin-bottom: 1rem;
}

.figure-images__gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.figure-images__gallery:empty {
  display: none;
}

.figure-image-item {
  position: relative;
  display: inline-block;
}

.figure-image-item img {
  max-width: 300px;
  max-height: 250px;
  width: auto;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--border-color, #e5e7eb);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.figure-image-item img:hover {
  transform: scale(1.02);
}

.figure-image-item__delete {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(220, 53, 69, 0.9);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.figure-image-item:hover .figure-image-item__delete {
  opacity: 1;
}

.figure-image-item__delete:hover {
  background: rgba(200, 35, 51, 1);
}

.figure-upload {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.comments-verify {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color, #e5e7eb);
  display: flex;
  justify-content: flex-end;
}

.image-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.image-lightbox.is-open {
  display: flex;
}

.image-lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.image-lightbox__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}

.image-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.question-actions__admin-edit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  min-width: 2.25rem;
  padding: 0.4rem;
  line-height: 1;
}

.question-actions__admin-edit svg {
  width: 0.95rem;
  height: 0.95rem;
  display: block;
}

.anki-section__content--generated {
  margin-top: 0.65rem;
}

/* Review page */
.review-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.review-header__titles {
  flex: 1 1 240px;
  min-width: 220px;
}

.review-session-title {
  margin: 0;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.review-meta-inline {
  margin: 0.5rem 0 0;
}

.review-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-left: auto;
}

.review-summary-grid {
  margin-top: 1rem;
}

.review-stat-value {
  margin: 0;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--text, #0f172a);
  font-variant-numeric: tabular-nums;
}

.review-meta {
  margin-top: 0.35rem;
}

.review-meta .muted {
  margin: 0.25rem 0 0;
}

.review-accuracy {
  margin-top: 1.25rem;
  padding-top: 0.5rem;
}

.review-accuracy__title {
  text-align: left;
  margin-bottom: 0.75rem;
}

.review-accuracy__chart {
  position: relative;
  width: 100%;
  min-height: 220px;
  max-height: 320px;
}

.review-accuracy__chart canvas {
  width: 100%;
  height: 100%;
}

.open120-planner-cta h2 {
  margin-bottom: 0.35rem;
}

.open120-planner-cta .muted {
  margin: 0 0 0.75rem;
}

.accuracy-bar {
  position: relative;
  height: 24px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.18), rgba(239, 68, 68, 0.28));
  overflow: hidden;
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
}

.accuracy-bar__fill {
  position: absolute;
  inset: 0;
  width: 0;
  background: linear-gradient(90deg, rgba(34, 197, 94, 0.95), rgba(34, 197, 94, 0.85));
  transition: width 0.25s ease;
}

.accuracy-bar__label {
  position: relative;
  text-align: right;
  padding: 0 0.75rem;
  font-weight: 700;
  color: var(--text);
  line-height: 24px;
  font-variant-numeric: tabular-nums;
}

.choice-stack,
.anking-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.anking-card__controls {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.anking-card__string {
  position: relative;
  padding: 1.25rem 1.25rem 2.5rem;
  border: 1px dashed var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md, 12px);
  background: var(--surface-alt, #f8fafc);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  line-height: 1.5;
  word-break: break-word;
}

.anking-card__copy {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
}

.anking-card__text {
  margin: 0;
}

.anking-card__text--multiline {
  max-height: 560px;
  overflow: auto;
  padding-right: 0.25rem;
}

.anki-review-table {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.anki-review-question h3 {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text, #0f172a);
}

.anki-review-question+.anki-review-question {
  padding-top: 0.9rem;
  border-top: 1px solid var(--border, #cbd5e1);
}

.insight-summary {
  line-height: 1.6;
  margin: 0.6rem 0 0;
  font-size: 1.05rem;
}

.insight-resource-slot {
  font-weight: 600;
  color: var(--text, #0f172a);
}

.insight-link {
  color: var(--text, #0f172a);
  font-weight: 600;
  text-decoration: underline;
}

.insight-title {
  margin: 1.25rem 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text, #0f172a);
}

.review-col-index {
  width: 72px;
}

.review-insight-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.review-insight-item {
  padding: 0.9rem 1rem;
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md, 12px);
  background: var(--surface-alt, #f8fafc);
}

.review-recommendation-list {
  list-style: disc;
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.review-recommendation-item {
  line-height: 1.5;
}

.review-recommendation-meta {
  margin: 0.35rem 0 0;
}

.review-breakdown-table thead th,
.review-breakdown-table tbody td,
.admin-user-table th,
.admin-user-table td {
  text-align: left;
}

.review-breakdown-table td:nth-child(3),
.review-breakdown-table td:nth-child(4) {
  text-align: left;
  white-space: normal;
}

.review-breakdown-table tbody tr:nth-child(even),
.review-breakdown-table tbody tr:nth-child(odd) {
  background: transparent;
}

.review-breakdown-table tbody tr:hover {
  background: transparent;
}

/* Settings page */
.subscription-card {
  gap: 1rem;
}

.subscription-header-meta {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
}

.subscription-header-tier {
  font-size: 0.78rem;
  line-height: 1.2;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted, #6b7280);
  white-space: nowrap;
}

.subscription-tier {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.subscription-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.subscription-current {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-left: auto;
  text-align: right;
}

.subscription-current__row {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-4);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.subscription-summary .subscription-tier {
  justify-content: flex-end;
  text-align: right;
}

.subscription-trial-inline {
  margin: 0;
  white-space: nowrap;
  text-align: left;
}

.subscription-tier__price {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted, #6b7280);
}

.subscription-tiers {
  margin-top: 0.5rem;
}

.hyguru-offer {
  display: grid;
  gap: 0.75rem;
}

.hyguru-offer__copy {
  margin: 0;
}

.hyguru-offer__perks {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.35rem;
}

.hyguru-offer__actions {
  display: flex;
  justify-content: flex-start;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.tier-card {
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: 12px;
  padding: 0.85rem;
  background: var(--bg-surface, #0b1220);
  position: relative;
}

.tier-card--active {
  border-color: var(--accent, #2563eb);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}

.tier-card--muted {
  opacity: 0.7;
}

.tier-card--promo {
  border: 2px solid var(--accent, #2563eb);
  background: linear-gradient(135deg, var(--bg-surface, #0b1220) 0%, rgba(37, 99, 235, 0.05) 100%);
}

.tier-card__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.tier-card__name {
  font-weight: 700;
}

.tier-card__price {
  color: var(--muted, #6b7280);
  font-weight: 600;
}

.tier-card__body {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.35rem;
}

.tier-card__row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.tier-card__badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--accent, #2563eb);
  color: #fff;
  font-size: 0.75rem;
  padding: var(--space-0-5) var(--space-2);
  border-radius: 999px;
}

.tier-card__badge--promo {
  background: linear-gradient(135deg, #10b981, #059669);
}

.tier-card__actions--top-gap {
  margin-top: 0.75rem;
}

.tier-card__tag {
  font-size: 0.8rem;
}

.tier-card__value--accent {
  color: var(--accent, #2563eb);
}

.tier-card__value--success {
  color: #10b981;
}

.subscription-status {
  margin: 0;
}

.subscription-status--warning {
  color: var(--warning, #f59e0b);
}

.subscription-status--danger {
  color: var(--danger, #ef4444);
}

.subscription-status--accent {
  color: var(--accent, #2563eb);
}

.subscription-tier-label {
  margin: 0 0 var(--space-1);
}

.subscription-reset-note {
  margin: var(--space-1-5) 0 0;
}

.danger-card {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) 1.5fr;
  gap: 1rem;
  align-items: start;
}

.danger-card--merged {
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.danger-card__password {
  border-right: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  padding-right: 2rem;
}

.danger-card__actions {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.danger-card__signout {
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.referral-card {
  background: transparent;
}

.referral-card--embedded {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border, rgba(148, 163, 184, 0.35));
}

.referral-card__intro {
  margin: 0 0 1rem;
}

.referral-code-display {
  background: var(--bg-muted, rgba(148, 163, 184, 0.08));
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

.referral-code-label {
  font-size: 0.8rem;
  color: var(--muted, #6b7280);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.referral-code-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.referral-code {
  font-family: "SF Mono", Monaco, Inconsolata, monospace;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent, #2563eb);
  background: transparent;
  text-transform: uppercase;
}

.referral-copy-btn {
  padding: 0.5rem;
  min-width: auto;
}

.referral-copy-btn:hover {
  background: var(--bg-muted, rgba(148, 163, 184, 0.15));
}

.referral-stats--summary {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted, #6b7280);
}

.tag--settings-tier {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.admin-user-table th,
.admin-user-table td {
  white-space: nowrap;
}

.admin-user-table td {
  padding: 0.55rem 0.75rem;
  vertical-align: middle;
}

.admin-user-table td:nth-child(3),
.admin-user-table td:nth-child(4) {
  text-align: left;
}

.admin-user-table__status,
.admin-user-table__actions {
  width: 1%;
}

.admin-user-table td.dashboard-actions {
  display: table-cell;
}

.admin-user-table__actions {
  white-space: nowrap;
}

.admin-user-table__actions>* {
  display: inline-flex;
  vertical-align: middle;
  margin-right: 0.45rem;
}

.admin-user-table__actions>*:last-child {
  margin-right: 0;
}

.admin-table-footer {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.admin-user-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.admin-pagination {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.admin-pagination__status {
  font-size: 0.9rem;
  color: var(--muted, #6b7280);
}

.admin-badges {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 1.65rem;
}

.admin-question-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.admin-question-actions .btn {
  width: 100%;
  justify-content: center;
}

@media (min-width: 900px) {
  .admin-question-actions {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
  }

  .admin-question-actions .btn {
    width: auto;
    flex: 1 1 0;
  }
}

.admin-status-icon,
.admin-action-icon {
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
}

.admin-status-icon svg,
.admin-action-icon svg {
  width: 0.95rem;
  height: 0.95rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.admin-status-icon--verified {
  color: #16a34a;
  background: rgba(22, 163, 74, 0.1);
  border-color: rgba(22, 163, 74, 0.3);
}

.admin-status-icon--badge {
  cursor: default;
}

.admin-status-icon--hyguru {
  color: #0284c7;
  background: rgba(2, 132, 199, 0.1);
  border-color: rgba(2, 132, 199, 0.28);
}

.admin-status-icon--anki {
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.28);
}

.admin-status-icon--planner {
  color: var(--text-secondary, #475569);
  background: var(--bg-muted, rgba(148, 163, 184, 0.12));
  border-color: var(--border, rgba(148, 163, 184, 0.3));
}

.admin-status-icon--unverified {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.08);
  border-color: rgba(220, 38, 38, 0.28);
  cursor: pointer;
}

.admin-action-icon {
  cursor: pointer;
}

.admin-action-icon--email {
  color: var(--accent, #2563eb);
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.28);
}

.admin-action-icon--open {
  color: var(--accent, #2563eb);
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.28);
}

.admin-action-icon--remix {
  color: #c2410c;
  background: rgba(249, 115, 22, 0.14);
  border-color: rgba(194, 65, 12, 0.32);
}

.admin-action-icon--delete {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.08);
  border-color: rgba(220, 38, 38, 0.28);
}

.admin-action-icon--flag {
  color: #ca8a04;
  background: rgba(234, 179, 8, 0.12);
  border-color: rgba(202, 138, 4, 0.3);
}

.me-flagged-topic {
  max-width: 22rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-status-icon--unverified:hover,
.admin-action-icon:hover {
  filter: brightness(0.95);
}

.admin-status-icon--unverified:focus-visible,
.admin-action-icon:focus-visible {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 2px;
}

.modal-overlay {
  display: none;
}

.modal-overlay--centered {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal-overlay.is-open {
  display: flex;
}

.modal-card {
  width: 100%;
  max-width: 500px;
  margin: 2rem;
}

.modal-textarea {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  font-family: inherit;
  font-size: inherit;
  resize: vertical;
}

.modal-tip {
  font-size: 0.85rem;
  margin-top: -0.5rem;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

@media (max-width: 768px) {
  .subscription-summary {
    flex-direction: column;
    align-items: flex-start;
  }

  .subscription-current {
    margin-left: 0;
    text-align: left;
  }

  .subscription-current__row {
    justify-content: flex-start;
  }

  .subscription-summary .subscription-tier {
    justify-content: flex-start;
    text-align: left;
  }

  .danger-card,
  .danger-card--merged {
    grid-template-columns: 1fr;
  }

  .danger-card__password {
    border-right: none;
    border-bottom: 1px solid var(--border, rgba(148, 163, 184, 0.35));
    padding-right: 0;
    padding-bottom: 1.5rem;
    margin-bottom: 1rem;
  }

  .referral-code {
    font-size: 1.25rem;
  }
}

/* Legal pages */
.legal-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  position: relative;
}

.legal-sidebar {
  position: relative;
}

.legal-sidebar__inner {
  position: sticky;
  top: 6rem;
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
}

.legal-toc-header {
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.legal-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.legal-sidebar li {
  margin-bottom: 0.5rem;
}

.legal-sidebar a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: block;
  padding: 0.25rem 0;
  transition: color 0.15s ease;
}

.legal-sidebar a:hover {
  color: var(--text);
}

.legal-content {
  min-width: 0;
}

.legal-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.legal-header h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  line-height: 1.1;
  color: var(--text);
}

.last-updated {
  color: var(--text-secondary);
  font-size: 1rem;
}

.legal-content section {
  margin-bottom: 3rem;
  scroll-margin-top: 6rem;
}

.legal-content section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.legal-content p {
  line-height: 1.6;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.legal-content ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.legal-content a {
  color: var(--accent-blue);
}

.legal-content a:hover {
  text-decoration: underline;
}

@media (max-width: 1024px) {
  .legal-container {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
  }

  .legal-sidebar {
    display: none;
  }

  .legal-header h1 {
    font-size: 2.25rem;
  }
}

/* About/Future page helpers */
.section-header--spacious {
  margin-bottom: var(--space-40);
}

.coming-soon-icon {
  vertical-align: middle;
  margin-right: var(--space-1-5);
}

.marketing-checklist {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.marketing-checklist__item {
  display: flex;
  align-items: center;
  gap: var(--space-2-5);
}

.marketing-dual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-7);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.info-note {
  margin-top: var(--space-3);
}

.info-feature-image {
  margin: var(--space-4-5) 0;
}

/* Open 120 Exam Styles */
.open120-screen {
  display: none;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.open120-screen.is-active {
  display: flex;
}

.open120-modal {
  background: var(--color-bg-primary, var(--surface));
  border: 1px solid var(--color-border, var(--border));
  border-radius: 8px;
  max-width: 600px;
  width: 100%;
  padding: 3rem 2rem;
  text-align: center;
}

.open120-modal h1 {
  margin-bottom: 1rem;
  font-size: 2rem;
}

.open120-modal p {
  margin-bottom: 1rem;
  line-height: 1.6;
  color: var(--color-text-secondary, var(--text-secondary));
}

.open120-instructions {
  text-align: left;
  background: var(--color-bg-secondary, var(--surface-alt));
  padding: 1.5rem;
  border-radius: 6px;
  margin: 2rem 0;
}

.open120-instructions h3 {
  margin-bottom: 0.75rem;
}

.open120-instructions li {
  margin-bottom: 0.75rem;
}

.open120-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.open120-break {
  text-align: center;
  padding: 3rem 2rem;
}

.open120-break h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.open120-break-info {
  background: var(--color-bg-secondary, var(--surface-alt));
  padding: 2rem;
  border-radius: 8px;
  margin: 2rem 0;
}

.open120-break-info p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.open120-break-timer {
  font-size: 3rem;
  font-weight: bold;
  color: var(--color-primary, var(--brand-blue));
  margin: 1.5rem 0;
  font-family: monospace;
  letter-spacing: 0.1em;
}

.open120-end {
  padding: 3rem 2rem;
}

.open120-end h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.open120-score {
  background: var(--color-bg-secondary, var(--surface-alt));
  padding: 2rem;
  border-radius: 8px;
  margin: 2rem 0;
  font-size: 1.2rem;
}

.open120-score strong {
  display: block;
  margin-top: 1rem;
  color: var(--color-primary, var(--brand-blue));
  font-size: 2rem;
}

.practice-layout.open120-mode {
  display: none;
}

.practice-layout.open120-mode.is-active {
  display: grid;
}

.block-indicator {
  font-size: 0.9rem;
  color: var(--color-text-secondary, var(--text-secondary));
  margin-bottom: 1rem;
  text-align: center;
}

.card--highlight {
  background: linear-gradient(135deg, var(--accent-blue-baby) 0%, var(--brand) 100%);
  border: 2px solid var(--brand);
}

.open120-section {
  padding: 1rem 0;
}

.open120-header {
  text-align: left;
  margin-bottom: 1rem;
}

.open120-header h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.open120-subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.open120-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.open120-blocks {
  margin-top: 0;
}

.open120-block-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.open120-block-form {
  min-width: 0;
}

.open120-block-btn {
  width: 100%;
}

.open120-card {
  margin-top: 1.5rem;
}

.open120-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.open120-hero__content {
  flex: 1;
  text-align: left;
}

.open120-hero__content h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.open120-hero__subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.open120-hero__description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.open120-hero__actions {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .dashboard-extension-banner {
    display: none;
  }

  .open120-modal {
    padding: 2rem 1.5rem;
  }

  .open120-hero {
    flex-direction: column;
    text-align: center;
  }

  .open120-hero__content {
    text-align: center;
  }

  .open120-modal h1 {
    font-size: 1.5rem;
  }

  .open120-break h2 {
    font-size: 1.5rem;
  }

  .open120-break-timer {
    font-size: 2.5rem;
  }

  .open120-block-row {
    grid-template-columns: 1fr;
  }

  .open120-block-form {
    width: 100%;
  }

  .dashboard-extension-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.15rem 1.1rem;
  }

  .dashboard-extension-banner__dismiss {
    top: 0.55rem;
    right: 0.55rem;
  }

  .dashboard-extension-banner__content h2 {
    font-size: 1.35rem;
    margin-bottom: 0.45rem;
  }

  .dashboard-extension-banner__content .muted {
    font-size: 1rem;
    line-height: 1.45;
  }

  .dashboard-extension-banner__actions {
    width: 100%;
    min-width: 0;
    justify-content: flex-start;
    gap: 0.55rem;
  }

  .dashboard-extension-banner__actions .btn {
    min-height: 44px;
  }

}

@media print {

  .site-header,
  .site-footer,
  .no-print,
  .dashboard-extension-banner,
  .flash-list {
    display: none !important;
  }

  main.container {
    max-width: none;
    width: 100%;
    margin: 0;
    padding: 0;
  }

  .card {
    border: 1px solid #d1d5db;
    box-shadow: none;
    page-break-inside: avoid;
  }

  .chart-container {
    min-height: 220px;
  }
}

/* Tier Tags */
.tag--tier-tier0 {
  background-color: #e5e7eb;
  color: #374151;
  border: 1px solid #9ca3af;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.tag--tier-tier1 {
  background-color: #dbeafe;
  color: #1d4ed8;
  border: 1px solid #60a5fa;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.tag--tier-tier2 {
  background-color: #dcfce7;
  color: #166534;
  border: 1px solid #4ade80;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.tag--tier-tier3 {
  background-color: #ffedd5;
  color: #c2410c;
  border: 1px solid #fb923c;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.tag--tier-admin {
  background-color: #fee2e2;
  color: #b91c1c;
  border: 1px solid #f87171;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

[data-theme="dark"] .tag--tier-tier0 {
  background-color: #1f2937;
  color: #e5e7eb;
  border-color: #6b7280;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tag--tier-tier1 {
  background-color: rgba(37, 99, 235, 0.24);
  color: #bfdbfe;
  border-color: rgba(96, 165, 250, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tag--tier-tier2 {
  background-color: rgba(22, 163, 74, 0.24);
  color: #bbf7d0;
  border-color: rgba(74, 222, 128, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tag--tier-tier3 {
  background-color: rgba(234, 88, 12, 0.24);
  color: #fed7aa;
  border-color: rgba(251, 146, 60, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tag--tier-admin {
  background-color: rgba(220, 38, 38, 0.24);
  color: #fecaca;
  border-color: rgba(248, 113, 113, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}:root {
  --brand: #ffe5b4;
  --brand-hover: #ffdab9;
  --accent-blue-baby: #b4ceff;
  --accent-blue: #3b82f6;
  --accent-lavender: #c084fc;
  --accent-rose: #fb7185;
  --nav-correct-border: #1fb37a;
  --nav-correct-bg: #e9f7f0;
  --nav-incorrect-border: #ea5a6b;
  --nav-incorrect-bg: #fff1f2;
  --brand-success-bg: #b4ceff;
  --brand-success-text: #1e3a8a;
  --brand-warning-bg: #ffedd5;
  --brand-warning-text: #9a3412;
  --success: #16a34a;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --brand-blue: #3b82f6;
  --bg-app: #f9fafb;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f3f4f6;
  --bg-surface-warm: #fff7ed;
  --surface: var(--bg-surface);
  --surface-alt: var(--bg-surface-alt);
  --text: #111827;
  --text-secondary: #4b5563;
  --text-disabled: #9ca3af;
  --text-muted: #9ca3af;
  --text-on-brand: #1f2937;
  --muted: #6b7280;
  --brand-dark: #1f2937;
  --border: #e5e7eb;
  --shadow-1: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-2: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 15px rgba(255, 229, 180, 0.5);
  --white: #fff;
  --border-subtle: rgba(15, 23, 42, 0.08);
  --surface-interactive: rgba(255, 255, 255, 0.94);
  --surface-interactive-hover: rgba(234, 241, 255, 0.9);
  --radius-sm: 12px;
  --radius-4: 4px;
  --radius-12: 12px;
  --radius-14: 14px;
  --radius-btn: 12px;
  --radius-md: 20px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  --duration-fast: 150ms;
  --duration-base: 0.2s;
  --ease-standard: ease;
  --transition-surface: background-color var(--duration-base) var(--ease-standard),
    border-color var(--duration-base) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
  --space-1: 0.25rem;
  --space-0-5: 0.125rem;
  --space-0-75: 0.1875rem;
  --space-2: 0.5rem;
  --space-2-5: 0.625rem;
  --space-3: 0.75rem;
  --space-1-5: 0.375rem;
  --space-3-5: 0.875rem;
  --space-4: 1rem;
  --space-4-5: 1.125rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-20: 1.25rem;
  --space-22: 1.375rem;
  --space-28: 1.75rem;
  --space-36: 2.25rem;
  --space-40: 2.5rem;
  --space-56: 3.5rem;
  --space-60: 3.75rem;
  --space-72: 4.5rem;
  --space-80: 5rem;
  --space-96: 6rem;
  --container-pad-x: clamp(var(--space-4), 2vw, var(--space-6));
  --container-max-width: 1400px;
  --container-width: min(100%, var(--container-max-width));
  --container-margin-top: var(--space-6);
  --container-margin-bottom: var(--space-8);
  --card-pad: clamp(var(--space-4), 1.7vw, var(--space-6));
  --card-gap: var(--space-6);
  --control-pad-y: var(--space-3);
  --control-pad-x: var(--space-4);
  --touch-target: 44px;
  --footer-height: 96px;
  --header-height: 64px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'DM Sans', 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-secondary);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.is-hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  background-color: var(--bg-surface);
  color: var(--text);
  position: sticky;
  top: 0;
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.site-header__inner {
  width: var(--container-width);
  max-width: var(--container-max-width);
  min-height: var(--header-height);
  margin: 0 auto;
  padding: 0 var(--container-pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.site-header__brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.35rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: var(--space-2);

}

.site-header__brand::after {
  content: '.';
  color: var(--brand);

  font-size: 1.5rem;
  line-height: 0;
  position: relative;
  top: 2px;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

:is(.site-header__nav a, .answer-option, .checkbox-item, .question-nav, .amount-bubble-label) {
  transition: var(--transition-surface);
}

.site-header__nav a {
  color: var(--text-secondary);
  margin-left: var(--space-2);
  padding: var(--space-2) var(--space-3-5);
  height: auto;
  border-radius: var(--radius-btn);

  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
}

.site-header__nav a:hover,
.site-header__nav a.active {
  color: var(--accent-blue);

  background-color: var(--accent-blue-baby);

  transform: translateY(-1px);
}

.site-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-1);
  width: var(--touch-target);
  height: var(--touch-target);
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  background: transparent;
}

.site-header__toggle span {
  width: var(--space-4-5);
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

.site-header__donate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-6);
  height: 40px;
  border-radius: var(--radius-pill);
  margin-left: var(--space-4);
  background-color: var(--brand);
  color: #fff !important;
  font-weight: 500;
  border: none;


  transition: background-color 0.2s, transform 0.1s;
}

.site-header__donate:hover {
  text-decoration: none;
  background-color: var(--brand-hover);

  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .site-header__inner {
    flex-wrap: wrap;
    padding: var(--space-3) var(--space-4);
    min-height: auto;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    margin-top: var(--space-4);
    display: none;
    border-top: 1px solid var(--border);
    padding-top: var(--space-4);
    height: auto;
  }

  .site-header__nav.is-open {
    display: flex;
  }

  .site-header__nav a {
    margin: 0;
    padding: var(--space-3) var(--space-4);
    border-radius: 4px;
    border-bottom: none;
    height: auto;
    width: 100%;
  }

  .site-header__nav a.active {
    background-color: rgba(26, 115, 232, 0.1);
    border-bottom: none;
  }

  .site-header__donate {
    margin-left: 0;
    margin-top: var(--space-2);
    width: 100%;
  }
}

.container {
  width: var(--container-width);
  max-width: var(--container-max-width);
  margin: var(--container-margin-top) auto var(--container-margin-bottom) auto;
  padding: 0 var(--container-pad-x);
}

.card {
  background-color: var(--bg-surface);

  border-radius: var(--radius-md);

  padding: var(--card-pad);
  border: 1px solid var(--border);


  margin-bottom: var(--card-gap);
}

.card:hover {


  border-color: var(--border);
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  align-items: stretch;
  margin-bottom: var(--space-6);
}

.chart-grid .card {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.chart-container {
  position: relative;
  width: 100%;
  min-height: 280px;
  margin-top: var(--space-3);
}

.chart-container canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

.chart-container--tall {
  min-height: 400px;
}

.chart-container--square {
  aspect-ratio: 4 / 3;
  min-height: 260px;
}

.chart-container--short {
  aspect-ratio: 4 / 1;
  min-height: 100px;
}

.card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.card__header--wrap {
  flex-wrap: wrap;
}

.card--subdued {

  border: 1px solid var(--border);
  background-color: #f8f9fa;

}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4-5) var(--space-6);
  align-items: start;
}

.create-user-inline {
  margin-top: var(--space-4);
  padding: var(--space-3-5);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(248, 250, 255, 0.9), rgba(235, 240, 255, 0.7));
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.create-user-inline form {
  display: grid;
  gap: var(--space-3);
  align-items: end;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

@media (min-width: 900px) {
  .create-user-inline form {
    grid-template-columns: 1.2fr 1.1fr auto;
  }
}

.form-group,
.question-list,
.page-topic2qid .filters-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.test-builder {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-helper {
  margin-top: var(--space-1);
}

.builder-row {
  display: grid;
  gap: var(--space-4) var(--space-5);
  width: 100%;
}

.builder-row--primary {
  grid-template-columns: minmax(220px, 2fr) 0.8fr 1fr 1fr;
  grid-template-areas: "name count status mode";
  align-items: end;
}

.builder-field--name {
  grid-area: name;
}

.builder-field--status {
  grid-area: status;
}

.builder-field--count {
  grid-area: count;
}

.builder-field--mode {
  grid-area: mode;
}

.builder-field--count input {
  max-width: 160px;
  width: 100%;
}

.builder-row--filters {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  align-items: start;
}

.builder-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid rgba(10, 132, 255, 0.08);
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.9), rgba(234, 241, 255, 0.72));
  min-width: 0;
}

.builder-column .checkbox-grid {
  width: 100%;
  padding: 0;
}

.builder-collapse {
  border: 1px solid rgba(10, 132, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  padding: 0 var(--space-4) var(--space-3);
  margin: var(--space-1) 0;

}

.builder-collapse summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-3-5) 0;
  font-weight: 700;
  color: var(--text);
  list-style: none;
}

.builder-collapse summary::-webkit-details-marker {
  display: none;
}

.builder-collapse::after {
  content: "";
  display: block;
  height: 1px;
  background: rgba(15, 23, 42, 0.08);
  margin: 0;
  width: 100%;
}

.builder-collapse__content {
  padding-top: var(--space-2-5);
}

@media (max-width: 960px) {
  .builder-row--primary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "name count"
      "status mode";
  }

  .builder-row--filters {
    grid-template-columns: 1fr;
  }

  .builder-field--count input {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .builder-row--primary {
    grid-template-columns: 1fr;
    grid-template-areas:
      "name"
      "status"
      "count"
      "mode";
  }
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-group--inline {
  display: flex;
  gap: var(--space-2);
  align-items: stretch;
}

.form-group--inline input {
  flex: 1;
  width: auto;
  min-width: 0;
}

.form-group--inline .btn {
  white-space: nowrap;
  flex-shrink: 0;
}

.form-group label {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-1-5);
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="date"],
select,
textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);

  padding: var(--control-pad-y) var(--control-pad-x);
  font-size: 0.95rem;
  background-color: #fff;
  color: var(--text);

  width: 100%;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand-blue);


}

.input-shell {

  position: relative;
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 4px;

  background-color: var(--surface);
  padding: 0;
}

.input-shell select {
  border: none;
  background: transparent;
  padding: var(--control-pad-y) var(--space-6) var(--control-pad-y) var(--control-pad-x);
  width: 100%;
  appearance: none;
}

.input-shell::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-secondary);
  pointer-events: none;
}

.input-shell:focus-within {
  border-color: var(--brand);

}

select[multiple] {
  min-height: 120px;
}

small {
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  background-color: transparent;
  color: var(--text-secondary);

  border-radius: var(--radius-btn);

  padding: 0 var(--space-5);
  height: 42px;
  font-size: 0.95rem;
  font-weight: 600;

  letter-spacing: -0.01em;

  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:hover {
  text-decoration: none;
  background-color: var(--bg-surface-alt);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(1);
}

.btn--sm {
  height: 32px;
  padding: 0 var(--space-3);
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn--primary {
  background-color: var(--brand);

  color: var(--text-on-brand);

  border: 1px solid rgba(0, 0, 0, 0.05);


}

.btn--primary:hover {
  background-color: var(--brand-hover);

  color: var(--text-on-brand);

  transform: translateY(-1px);
}

.btn--link {
  color: var(--brand-blue);

  background: transparent;
  padding: 0 var(--space-1);
  height: auto;
  min-width: 0;
  font-weight: 500;
}

.btn--link:hover {
  background-color: transparent;
  text-decoration: underline;
  color: var(--text);
}

.btn--link-danger {
  color: #dc2626;
}

.btn--link-danger:hover {
  color: #b91c1c;
  background-color: transparent;
  text-decoration: underline;
}

.btn--ghost {
  background-color: #fff;
  border: 1px solid var(--border);
  color: var(--text-secondary);

}

.btn--ghost:hover {
  background-color: var(--bg-surface-alt);
  border-color: var(--border);
  color: var(--text);
}

.btn--accent-baby {
  background-color: var(--accent-blue-baby);
  border-color: rgba(59, 130, 246, 0.25);
  color: var(--brand-success-text);
}

.btn--accent-baby:hover {
  background-color: rgba(180, 206, 255, 0.75);
  border-color: rgba(59, 130, 246, 0.3);
  color: #1e3a8a;
  transform: translateY(-1px);
}

.btn--danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.btn--danger:hover {
  background: var(--danger-hover);
  color: #fff;
}

.flag-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.icon-flag {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.icon-flag--filled {
  color: var(--accent-rose);
}

#flag-btn.is-flagged {
  color: var(--accent-rose);
}

.flash-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
}

.flash-messages {
  margin-bottom: var(--space-4);
}

.flash,
.flash-success,
.flash-error,
.flash-info,
.flash-warning {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-4);
  margin-bottom: var(--space-3);
  font-size: 0.95rem;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
}

.flash--success,
.flash-success {
  background-color: #e6f4ea;
  color: #1e8e3e;
  border: none;
}

.flash--error,
.flash-error {
  background-color: #fce8e6;
  color: #d93025;
  border: none;
}

.flash--info,
.flash-info {
  background-color: #e8f0fe;
  color: #1967d2;
  border: none;
}

.flash--warning,
.flash-warning {
  background-color: #fef7e0;
  color: #e37400;
  border: none;
}

.flash__text {
  flex: 1;
  min-width: 0;
  line-height: 1.5;
}

.flash a {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
}

.table-responsive {
  overflow-x: auto;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2-5);
  margin-bottom: var(--space-4);
}

.pill,
.filter-pill,
.validity-pill,
.page-planner .pill {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
}

.pill,
.filter-pill {
  padding: 0 var(--space-3);
  height: 32px;
  color: var(--text);
  background: var(--surface);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-surface);
}

.filter-pill:hover {
  background-color: var(--surface-alt);
  border-color: var(--text-disabled);
}

.filter-pill--active {
  background-color: #e8f0fe;

  color: var(--brand);

  border-color: transparent;
}

.filter-pill--active:hover {
  background-color: #d2e3fc;


}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.875rem;
  background: transparent;

}

.dashboard-table thead th {
  background: var(--surface-alt);

  color: var(--text);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.dashboard-table tbody tr:hover {
  background-color: var(--surface-alt);
}

.dashboard-table tbody tr:nth-child(even) {
  background: rgba(234, 241, 255, 0.4);
}

.dashboard-table tbody tr:last-child td {
  border-bottom: none;
}

.dashboard-table tbody td:first-child {
  font-weight: 600;
}

.dashboard-table td {
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.dashboard-table td:nth-child(3),
.dashboard-table td:nth-child(4) {
  text-align: center;
  white-space: nowrap;
}

.dashboard-table td.dashboard-share {
  min-width: 240px;
}

.dashboard-table td.dashboard-actions {
  width: 88px;
  white-space: nowrap;
  display: table-cell;
}

.muted {
  color: var(--muted);
}

.text-muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-20);
  font-size: 0.95rem;
  color: var(--muted);
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.summary-grid+.card {
  margin-top: var(--space-6);
}

.summary-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  background-color: var(--surface);


  display: flex;
  flex-direction: column;
}

.open120-block-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.open120-block-grid .summary-item {
  max-width: 100%;
  align-items: flex-start;
}

.summary-label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.site-footer {
  width: var(--container-width);
  max-width: var(--container-max-width);
  margin: 0 auto;
  text-align: center;
  padding: var(--space-3) var(--space-4) var(--space-4);
  color: rgba(15, 23, 42, 0.6);
  font-size: 0.9rem;
}

.site-footer.site-footer--auth {
  color: rgba(15, 23, 42, 0.85);
}

@media (max-width: 640px) {
  .marketing-hero {
    padding: var(--space-56) var(--space-20) var(--space-72);
    text-align: left;
  }

  .marketing-callout {
    margin: var(--space-4-5) 0 var(--space-6);
  }

  .marketing-main {
    margin: -var(--space-40) auto 0;
    padding: 0 var(--space-20) var(--space-80);
  }

  .marketing-section {
    padding: var(--space-28) var(--space-22) var(--space-6);
  }

  .marketing-cta {
    padding: var(--space-28) var(--space-22);
  }

  .summary-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .summary-item {
    padding: var(--space-20);
  }

  .open120-block-grid {
    grid-template-columns: 1fr;
  }
}

.summary-value {
  font-size: 1.8rem;
  font-weight: 600;
}

.highlight {

  background: rgba(243, 255, 10, 0.14);
}

.strike,
.answer-option.strike {
  text-decoration: line-through;
  opacity: 0.7;
}

.explanation-body,
.answers,
.page-planner .methodology-grid {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .practice-layout {
    display: block;
    padding-left: 0;
    margin: 0 auto calc(var(--footer-height) + var(--space-7));
  }

  .question-sidebar {
    display: none !important;
  }

  .practice-footer {
    flex-wrap: nowrap;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
  }

  .practice-footer .footer-group {
    flex: 1 1 0;
    justify-content: center;
    min-width: 0;
  }

  .practice-footer .footer-group:first-child,
  .practice-footer .footer-group:nth-child(2),
  .practice-footer .footer-group:last-child {
    flex: 1 1 0;
    justify-content: center;
  }

  .practice-footer button {
    width: 100%;
  }
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3) var(--space-4);
  padding: var(--space-1) 0 var(--space-2) 0;
}

.checkbox-grid--topics {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2-5);
  padding: var(--space-2-5) var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-12);
  background: var(--surface-interactive);
  min-width: 0;
}

.checkbox-item input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 0.2rem;
}

.checkbox-item:hover {
  border-color: rgba(10, 132, 255, 0.5);
  background: var(--surface-interactive-hover);
}

.checkbox-item--with-info {
  justify-content: space-between;
}

.checkbox-item__label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2-5);
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.checkbox-item__text {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.info-icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.16);
  background: rgba(15, 23, 42, 0.04);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  user-select: none;
}

.info-icon:focus {
  outline: 2px solid rgba(10, 132, 255, 0.4);
  outline-offset: 2px;
}

.info-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  width: max-content;
  max-width: 320px;
  padding: var(--space-2-5) var(--space-3);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.96);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.35;
  white-space: normal;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.22);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
  z-index: 25;
}

.info-icon::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 4px);
  right: 7px;
  border-width: 6px 6px 0 6px;
  border-style: solid;
  border-color: rgba(15, 23, 42, 0.96) transparent transparent transparent;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
  z-index: 26;
}

.info-icon:hover::after,
.info-icon:hover::before,
.info-icon:focus::after,
.info-icon:focus::before {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (min-width: 900px) {
  .checkbox-grid--topics {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
  }
}

.session-status {
  margin-top: var(--space-2);
  font-size: 0.9rem;
  color: var(--muted);
}

.session-status.is-complete {
  color: var(--success);
  font-weight: 600;
}

.feedback-note {
  margin-top: var(--space-2-5);
  padding: var(--space-2-5) var(--space-3);
  background: #fff4e8;
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  color: var(--muted);
}

.practice-completed .answer-option {
  pointer-events: none;
  cursor: default;
  opacity: 0.9;
}

.practice-completed .answer-option:hover {
  transform: none;
}

.sidebar-btn.is-correct {
  border-color: rgba(111, 179, 111, 0.45);
  background: #eaf6e6;
}

.sidebar-btn.is-incorrect {
  border-color: rgba(233, 138, 128, 0.45);
  background: #fde5e5;
}

.sidebar-header {
  display: flex;
  justify-content: center;
  align-items: center;
}

.question-nav__flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: var(--space-2);
  color: var(--accent-rose);
  line-height: 0;
}

.question-nav {
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--radius-12);
  padding: var(--space-2-5) var(--space-3);
  text-align: left;
  cursor: pointer;
}

.question-nav:hover,
.question-nav.is-active {
  border-color: rgba(10, 132, 255, 0.4);
  background: rgba(234, 241, 255, 0.9);

  transform: translateY(-1px);
}

.question-nav.is-correct {
  border-color: var(--nav-correct-border);
  background: var(--nav-correct-bg);

}

.question-nav.is-correct:hover,
.question-nav.is-correct.is-active {
  border-color: #179866;
  background: linear-gradient(135deg, var(--nav-correct-bg), rgba(31, 179, 122, 0.1));

}

.question-nav.is-incorrect {
  border-color: var(--nav-incorrect-border);
  background: var(--nav-incorrect-bg);

}

.question-nav.is-incorrect:hover,
.question-nav.is-incorrect.is-active {
  border-color: #d74357;
  background: linear-gradient(135deg, var(--nav-incorrect-bg), rgba(234, 90, 107, 0.08));

}

.practice-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: var(--space-80);

}

.question-sidebar {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
  border-right: none;
  background: var(--bg-surface);
  margin-bottom: var(--space-6);
  overflow: visible;
}

.question-main {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  overflow: visible;
  height: auto;
}

.question-detail-stack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-height: 0;
  overflow: visible;
}

#question-card {
  height: auto;
  overflow: visible;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.explanation-card {
  display: none;
}

.explanation-card:not(.is-hidden) {
  display: block;
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
}

.explanation-card--deep-active {
  border: 2px solid transparent;
  background: linear-gradient(#f8f9fa, #f8f9fa) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  box-shadow: 0 14px 40px -22px rgba(59, 130, 246, 0.45);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.explanation-card--deep-active:hover {
  border-color: transparent;
  background: linear-gradient(#f8f9fa, #f8f9fa) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  box-shadow: 0 14px 40px -22px rgba(59, 130, 246, 0.45);
}

.tab-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.tab-btn {
  padding: var(--space-2-5) var(--space-3-5);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
}

.page-index .tab-header[role="tablist"] .tab-btn {
  flex: 1 1 0;
  justify-content: center;
  text-align: center;
}

.tab-btn.is-active {
  background: var(--brand);
  color: var(--text-on-brand);
  border-color: var(--brand-hover);
}

.tab-panels {
  position: relative;
  flex: 1;
}

.tab-panel {
  display: none;
  height: 100%;
  overflow-y: auto;
  padding-right: var(--space-1);
}

.tab-panel.is-active {
  display: block;
}

#deep-panel {
  flex-direction: column;
  min-height: 0;
}

#deep-panel.is-active {
  display: flex;
}

.deep-learn-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1 1 auto;
  min-height: 0;
  overflow: visible;
}

.deep-learn-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
  padding: var(--space-3) 0 var(--space-1);
}

.deep-learn-actions__copy {
  color: var(--text);
  font-weight: 600;
}

.deep-learn-actions__note {
  font-size: 0.9rem;
}

.deep-learn-actions__cta {
  display: flex;
  justify-content: center;
  width: 100%;
}

.btn--deep-learn {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  color: var(--text);
  box-shadow: 0 12px 30px -18px rgba(59, 130, 246, 0.5);
}

.btn--deep-learn:hover {
  background: linear-gradient(#fff, #fff) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  color: var(--text);
  transform: translateY(-1px);
}

.deep-learn-table table {
  width: 100%;
  border-collapse: collapse;
}

.deep-learn-table th,
.deep-learn-table td {
  border: 1px solid var(--border);
  padding: var(--space-1-5) var(--space-2);
  text-align: left;
}

.lesson-practice-actions {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
}

.deep-learn-table__title {
  font-weight: 700;
  margin-bottom: var(--space-1-5);
}

@media (min-width: 1024px) {
  .practice-layout {
    display: grid;
    grid-template-columns: minmax(180px, 0.14fr) minmax(0, 0.86fr);
    gap: var(--space-6);
    height: calc(100vh - var(--header-height) - var(--footer-height));
    overflow: hidden;
    background-color: var(--bg-app);

    max-width: 100%;
    margin: 0 auto;
    padding: var(--space-6);
    padding-bottom: var(--space-4);
    align-items: stretch;
  }

  .question-sidebar {
    position: relative;
    width: 100%;
    min-width: 200px;
    max-width: 280px;
    top: auto;
    left: auto;
    right: auto;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4-5);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    border: 1px solid var(--border);

    overflow: hidden;
    height: 100%;
    align-self: stretch;
    min-height: 0;
  }

  .question-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
    column-gap: var(--space-6);
    row-gap: 0;
    padding: 0;
    overflow: hidden;
    height: 100%;
    align-items: stretch;
  }

  #question-card {
    flex: 1;
    margin: 0;
    height: 100%;
    overflow-y: auto;
    min-width: 0;
  }

  .explanation-card {
    flex: 1;
    margin: 0;
    height: 100%;
    overflow-y: auto;
    min-width: 0;
    display: none;
  }

  .explanation-card:not(.is-hidden) {
    display: flex;
    flex-direction: column;
    margin-top: 0;
  }

  .question-main.question-main--with-explanation {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .question-main.question-main--with-explanation .question-detail-stack {
    min-height: 0;
    height: 100%;
    overflow: hidden;
  }



  .question-list {
    flex: 1;
    overflow-y: auto;
    padding-right: var(--space-2);
    min-height: 0;
  }
}

.question-top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.question-actions {
  display: flex;
  gap: var(--space-2-5);
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

.question-actions--top {
  margin-left: auto;
}

.question-actions--top .btn {
  padding: 0 var(--space-3);
  height: 36px;
  font-size: 0.9rem;
}

.question-actions--top #timer-display {
  padding: 0.2rem 0.65rem;
  font-size: 0.9rem;
}

.question-validity {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2-5);
  flex-wrap: wrap;
}

.question-verify-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2-5);
  margin-left: auto;
}

.question-verify-actions .btn {
  height: 34px;
}

.validity-pill {
  gap: var(--space-1-5);
  padding: var(--space-1-5) var(--space-2-5);
  background: var(--bg-surface-alt);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1;
}

.validity-pill__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.validity-icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.validity-pill__text {
  font-weight: 600;
  color: inherit;
}

.validity-pill--low {
  color: #dc2626;
  background: #fef2f2;
  border-color: rgba(220, 38, 38, 0.18);
}

.validity-pill--medium {
  color: #d97706;
  background: #fffbeb;
  border-color: rgba(217, 119, 6, 0.18);
}

.validity-pill--high {
  color: #15803d;
  background: #ecfdf3;
  border-color: rgba(21, 128, 61, 0.18);
}

.verification-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(210, 161, 26, 0.45);
  background: linear-gradient(135deg, #fff7dd, #fff0c2);
  color: #c58a00;
  box-shadow: var(--shadow-1);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  position: relative;
}

.verification-badge svg {
  width: 20px;
  height: 20px;
  color: inherit;
}

.verification-badge:hover,
.verification-badge:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.verification-badge--human {
  border-color: rgba(197, 138, 0, 0.5);
}

.question-actions--footer {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  align-items: center;
  width: 100%;
}

.question-actions .btn {
  white-space: nowrap;
}

.question-number {
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0;
  color: var(--brand-dark);
}

.question-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: var(--space-1-5) var(--space-3);
  background: linear-gradient(120deg, rgba(10, 132, 255, 0.16), rgba(48, 213, 200, 0.16));
  color: var(--brand-dark);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tag--muted {
  background: rgba(15, 23, 42, 0.06);
  color: var(--muted);
}

.question-meta {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
}

.question-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4-5);
  margin: var(--space-3) 0;
}

.question-text {
  font-size: 1.05rem;
  line-height: 1.6;
}

.question-labs {
  padding: var(--space-4);
  border-radius: 14px;
  background: rgba(10, 132, 255, 0.06);
  border: 1px solid rgba(10, 132, 255, 0.12);
  font-size: 0.95rem;
}

.question-labs pre {
  margin: var(--space-2-5) 0 0 0;
  font-family: 'Courier New', Courier, monospace;
  white-space: pre-wrap;
  max-height: 220px;
  overflow-y: auto;
  padding-right: var(--space-1-5);
  -webkit-overflow-scrolling: touch;
}

.answer-option {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-14);
  padding: var(--space-3-5);
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--space-3);
  cursor: pointer;

  background: rgba(255, 255, 255, 0.92);
}

.answer-option.has-stats {
  grid-template-columns: 44px 1fr auto;
  align-items: center;
}

.answer-option:hover {
  transform: translateY(-2px);
  border-color: rgba(10, 132, 255, 0.36);
  background: rgba(234, 241, 255, 0.9);

}

.answer-option.is-selected {
  border-color: rgba(10, 132, 255, 0.6);
  background: linear-gradient(160deg, rgba(10, 132, 255, 0.12), rgba(48, 213, 200, 0.08));
}

.answer-option.is-correct {
  border-color: rgba(52, 199, 89, 0.6);
  background: rgba(52, 199, 89, 0.12);
}

.answer-option.is-incorrect {
  border-color: rgba(255, 59, 48, 0.55);
  background: rgba(255, 59, 48, 0.1);
}

.answer-option.is-struck {
  text-decoration: line-through;
  opacity: 0.6;
}

.answer-option__label {
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.answer-option__text {
  line-height: 1.6;
}

.answer-option__stat {
  font-weight: 600;
  color: var(--muted);
  min-width: 68px;
  text-align: right;
  justify-self: end;
  font-variant-numeric: tabular-nums;
}

.answer-status {
  margin-top: var(--space-1);
  min-height: 18px;
}

.explanation-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.explanation-card.is-hidden {
  display: none;
}

.feedback-section {
  margin-bottom: var(--space-3-5);
  line-height: 1.5;
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.comment {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: #fff;
}

.comment__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-1-5);
}

.comment__author {
  font-weight: 600;
  color: var(--text);
}

.comment__body {
  line-height: 1.5;
  color: var(--text);
}

.comments-empty {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  color: var(--text-secondary);
  background: #fff;
  text-align: center;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
}

.comment-form__label {
  font-weight: 600;
  color: var(--text);
}

.comment-form__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.comment-form__status {
  font-size: 0.9rem;
}

.note-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;
}

.note-form textarea {
  flex: 1;
  min-height: 240px;
}

.highlight-token {

  background: yellow;
  padding: 0 var(--space-0-5);
  border-radius: 4px;
}

.practice-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-40);
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.9), rgba(234, 241, 255, 0.95));
  border-top: 1px solid rgba(10, 132, 255, 0.08);

  backdrop-filter: blur(10px);
}

.footer-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.practice-footer .footer-group:first-child {
  justify-content: flex-start;
  flex: 1;
}

.practice-footer .footer-group:nth-child(2) {
  justify-content: center;
}

.practice-footer .footer-group:last-child {
  justify-content: flex-end;
  flex: 1;
}

.footer-group--meta {
  justify-content: flex-end;
  flex: 1;
}

@media (max-width: 1024px) {
  .practice-layout {
    padding-left: 0;
    margin: 0 auto calc(var(--footer-height) + var(--space-8));
    display: block;
  }

  .question-sidebar {
    position: static;
    width: 100%;
    max-height: none;
    min-height: 0;
    overflow: visible;
    margin: 0 0 var(--space-6) 0;
  }
}

.account-forms {
  display: grid;
  gap: var(--space-28);
}

.account-form,
.settings-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4-5);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.exam-settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4-5) var(--space-6);
  align-items: start;
}

.exam-settings-grid .form-group {
  min-width: 0;
}

.exam-settings-grid .form-group--range {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 980px) {
  .exam-settings-grid {
    grid-template-columns: 1fr;
  }
}

.exam-settings-actions {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
}

.exam-settings-actions--inline {
  justify-content: flex-end;
  align-items: flex-end;
  align-self: end;
}

.exam-settings-update {
  white-space: nowrap;
}

@media (max-width: 640px) {
  .exam-settings-actions {
    justify-content: stretch;
  }

  .exam-settings-update {
    width: 100%;
  }
}

.settings-form h2 {
  margin: 0;
}

.subscription-trial-copy {
  margin: var(--space-1) 0 0 0;
  color: var(--text-muted, #9ca3af);
  font-size: 0.92rem;
}

.donation-note {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-4-5);
  border-radius: 14px;
  background: linear-gradient(120deg, rgba(10, 132, 255, 0.08), rgba(48, 213, 200, 0.08));
  border: 1px solid rgba(10, 132, 255, 0.2);
  color: var(--text);
  line-height: 1.5;
}

.donation-note a {
  color: var(--brand-dark);
  font-weight: 600;
}

.donation-note strong {
  color: var(--brand-dark);
}

.settings-form--danger {
  border: 1px solid rgba(255, 59, 48, 0.25);
  border-radius: 12px;
  padding: var(--space-20);
  background: rgba(255, 59, 48, 0.08);
}

.danger-actions,
.theme-options,
.admin-console__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

.danger-actions form {
  margin: 0;
}

@media (max-width: 768px) {
  .container {
    width: 100%;
    padding-inline: var(--space-4);
  }

  .practice-layout {
    gap: var(--space-4);
  }

  .question-main {
    width: 100%;
  }

  .answers {
    gap: var(--space-2-5);
  }

  .answer-option {
    grid-template-columns: 36px 1fr;
    padding: var(--space-3);
  }

  .practice-footer {
    padding: var(--space-3-5) var(--space-4);
  }

  .tab-header {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-1-5);
    margin-bottom: var(--space-2);
    gap: var(--space-2-5);
  }

  .tab-header::-webkit-scrollbar {
    display: none;
  }

  .tab-header>* {
    flex-shrink: 0;
  }

  .question-validity {
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .question-validity::-webkit-scrollbar {
    display: none;
  }
}

.choice-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  transition: border 0.2s ease;
}

.choice-item input[type="radio"] {
  margin-top: 0.3rem;
}

.choice-item__title {
  font-weight: 600;
}

.choice-item__help {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.choice-item:hover {
  border-color: var(--brand);
}

.practice-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.practice-meta__mode {
  font-weight: 600;
  background: rgba(10, 132, 255, 0.12);
  color: var(--brand-dark);
  border-radius: 999px;
  padding: 0.25rem 0.85rem;
}

.practice-meta__timer {
  font-family: monospace;
  font-weight: 600;
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
  background: #0f172a;
  color: #f9fafb;
  display: flex;
  align-items: center;
  justify-content: center;
}

.practice-meta__timer--warning {
  background: #ff9f0a;
}

.practice-meta__timer--expired {
  background: #ff3b30;
}

.practice-meta__score {
  font-weight: 600;
  color: var(--brand);
}

.practice-meta__finish {
  margin-left: auto;
}

.answer-option.is-static {
  pointer-events: none;
}

.practice-history-card {
  margin-top: var(--space-6);
}

.practice-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4-5);
}

.practice-history-table {
  display: flex;
  flex-direction: column;
  gap: var(--space-2-5);
}

.practice-history-row {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3-5) var(--space-4-5);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(10, 132, 255, 0.1);

}

.practice-history-row--head {
  background: transparent;
  border: none;
  padding: 0 var(--space-1-5) var(--space-1-5) var(--space-1-5);
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.practice-history-row--head span {
  font-weight: 600;
}

.practice-history-name {
  font-weight: 600;
  color: var(--text);
}

.practice-history-actions,
.page-planner .planner-presets {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2-5);
  flex-wrap: wrap;
}

.dashboard-share {
  min-width: 240px;
}

.dashboard-actions,
.admin-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
}

.dashboard-actions .btn {
  width: auto;
  padding: 0;
  font-weight: 600;
}

.share-field {
  margin: 0;
}

.share-field--compact {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  min-height: 2.5rem;
  padding: 0.35rem 0.4rem 0.35rem 0.75rem;
  border: 1px solid rgba(10, 132, 255, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
}

.share-field__value {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.9rem;
  color: var(--text);
}

.share-field__copy-btn {
  flex: 0 0 auto;
  width: 1.9rem;
  height: 1.9rem;
  border: 0;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent, #2563eb);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.share-field__copy-btn:hover:not(:disabled) {
  background: rgba(37, 99, 235, 0.14);
  transform: translateY(-1px);
}

.share-field__copy-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.share-field__copy-btn:focus-visible {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 2px;
}

.share-field__copy-btn svg {
  width: 0.95rem;
  height: 0.95rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.share-field__check-icon {
  display: none;
}

.share-field__copy-btn.is-copied {
  background: rgba(22, 163, 74, 0.12);
  color: #16a34a;
}

.share-field__copy-btn.is-copied .share-field__copy-icon {
  display: none;
}

.share-field__copy-btn.is-copied .share-field__check-icon {
  display: block;
}

.share-field__label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #7a5b46;
  margin-bottom: 0.2rem;
}

.share-field__input,
.share-field__textarea {
  width: 100%;
  border: 1px solid rgba(10, 132, 255, 0.16);
  border-radius: 10px;
  padding: 0.5rem 0.6rem;
  font-size: 0.9rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.94);
}

.share-field__input {
  height: 2.25rem;
}

.share-field__textarea {
  resize: none;
  min-height: 3rem;
  word-break: break-word;
  white-space: pre-wrap;
}

@media (max-width: 768px) {
  .practice-history-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1-5) var(--space-3);
  }

  .practice-history-row span:nth-child(3),
  .practice-history-row span:nth-child(4) {
    color: var(--muted);
  }

  .practice-history-row--head {
    display: none;
  }

  .practice-history-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 576px) {
  .practice-layout {
    gap: var(--space-3);
  }

  .question-number {
    font-size: 1.2rem;
  }

  .tag {
    font-size: 0.7rem;
    padding: var(--space-0-75) var(--space-2);
  }

  .answer-option {
    font-size: 0.95rem;
  }

  .practice-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    text-align: left;
  }
}

.settings-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.input-group {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.input-group select {
  flex: 1;
  width: auto;

}

.input-group .btn {
  flex-shrink: 0;
}

.settings-form input,
.settings-form select {
  width: 100%;
}

.theme-option {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2-5) var(--space-3-5);
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-surface-alt);
  color: var(--text);
  min-width: 96px;
  justify-content: center;
  white-space: nowrap;
}

.theme-option input {
  width: 16px;
  height: 16px;
}

[data-theme="dark"] .theme-option {
  background: var(--bg-surface);
  border-color: var(--border);
}

.auth-body-new {
  background: radial-gradient(circle at 12% 20%, rgba(10, 132, 255, 0.1), transparent 24%),
    radial-gradient(circle at 82% 14%, rgba(48, 213, 200, 0.1), transparent 22%),
    var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  color: var(--text);
  padding: var(--space-5);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-header h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.03em;
  color: var(--text);
}

.auth-header p {
  margin: var(--space-2) 0 0;
  font-size: 1.1rem;
  color: var(--muted);
  font-weight: 400;
  line-height: 1.5;
}

.auth-tabs {
  background: rgba(10, 132, 255, 0.1);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
  display: flex;
  width: 100%;
  max-width: 400px;
  margin-bottom: var(--space-6);
}

.auth-tab {
  flex: 1;
  text-align: center;
  padding: var(--space-2-5);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
  transition: all 0.2s ease;
  user-select: none;
}

.auth-tab.active {
  background: #fff;
  color: #000;

}

.auth-card-new {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-5), 4vw, var(--space-6));
  width: 100%;
  max-width: 400px;
  border: 1px solid rgba(15, 23, 42, 0.08);

  color: var(--text);
  backdrop-filter: blur(10px);
}

.auth-card-new input[type="text"],
.auth-card-new input[type="email"],
.auth-card-new input[type="password"],
.auth-card-new select {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);

  padding: var(--space-3);
  font-size: 1rem;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: var(--space-4);
  transition: all 0.2s;
  background-color: #f9fafb;

}

.auth-card-new input:focus,
.auth-card-new select:focus {
  outline: none;
  border-color: var(--brand-blue);
  background-color: #fff;

}

.btn-auth {
  width: 100%;
  padding: var(--space-3);
  background-color: var(--brand);
  color: var(--text-on-brand);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);

  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  margin-top: var(--space-2);
}

.btn-auth:hover {
  background-color: var(--brand-hover);
  transform: translateY(-1px);
}

.form-section {
  display: none;
}

.form-section.active {
  display: block;
}

.form-group__hint {
  text-align: center;
  margin-top: var(--space-4);
}

.form-group__hint a {
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: underline;
}

.form-group__hint a:hover {
  color: var(--text);
}

.auth-footer {
  margin-top: var(--space-6);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--muted);
  text-align: center;
}

.auth-header a,
.auth-footer a {
  color: var(--text);
  text-decoration: underline;
  font-weight: 500;
}

.amount-bubbles {
  display: flex;
  gap: var(--space-2-5);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.amount-bubble-input {
  display: none;
}

.amount-bubble-label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  height: 44px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-btn);
  background: var(--white);
  border: 2px solid rgba(10, 132, 255, 0.15);
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
}

.amount-bubble-input:checked+.amount-bubble-label {
  background: var(--brand);
  color: white;
  border-color: var(--brand);
  transform: scale(1.1);

}

.amount-bubble-label:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
}

.amount-bubble-custom {
  min-width: 84px;
  max-width: 104px;
  border-radius: var(--radius-btn);
  padding: 0 var(--space-2-5);
  flex: 0 1 92px;
}

.amount-bubble-custom:hover {
  border-color: var(--brand);
}

.amount-bubble-custom input {
  border: none;
  background: transparent;
  width: 100%;
  min-width: 0;
  height: 100%;
  text-align: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  outline: none;
  padding: 0;
}

.amount-bubble-custom input:focus {

  transform: none;
}

.amount-bubble-custom:focus-within {
  border-color: var(--brand);

}

.auth-title-section {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-title-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: var(--space-2);
}

.auth-title-section p {
  color: #6b7280;
}

.auth-footer-text {
  text-align: center;
  margin-top: var(--space-4);
}

.marketing-body {
  background-color: var(--bg-surface);
}

.marketing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) var(--space-6);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.marketing-nav__logo {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.marketing-nav__logo::after {
  content: '.';
  color: var(--brand);
  position: relative;
  top: -4px;
  font-size: 2rem;
  line-height: 0;
}

.marketing-hero__content {
  max-width: 960px;
  margin: 0 auto;
}

.marketing-hero__brand {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4-5);
  color: var(--text-secondary);
}

.marketing-main {
  max-width: var(--container-max-width);
  margin: -var(--space-7) auto 0;
  padding: 0 var(--space-6) var(--space-96);
}

.marketing-callout {
  margin: var(--space-20) 0 var(--space-28);
  padding: var(--space-20) var(--space-22);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(234, 241, 255, 0.8));
  color: var(--text);
}

.marketing-callout h2 {
  margin: 0 0 var(--space-2-5);
  font-size: 1.4rem;
  color: var(--text);
}

.marketing-callout p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.marketing-hero {
  text-align: center;
  padding: var(--space-80) var(--space-6) var(--space-60);
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-surface-warm) 100%);
  overflow: hidden;
}

.marketing-hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 auto var(--space-6);
  max-width: 800px;
  color: var(--text);
}

.marketing-hero p {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-6);
}

.marketing-hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-8);
}

.marketing-hero__actions .btn {
  height: 52px;
  padding: 0 var(--space-6);
  font-size: 1.05rem;
}

.marketing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4-5);
  margin-top: var(--space-6);
}

.marketing-grid--two {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.marketing-card {
  background: var(--bg-surface);
  border-radius: 14px;
  padding: var(--space-20) var(--space-22);
  border: 1px solid rgba(10, 132, 255, 0.16);
}

.marketing-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-3);
  font-size: 1.1rem;
}

.marketing-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.marketing-list {
  margin: var(--space-6) 0 0;
  padding-left: var(--space-20);
  color: var(--muted);
  line-height: 1.7;
}

.marketing-cta {
  margin-top: var(--space-6);
  background: linear-gradient(135deg, #0a84ff 0%, #5ed8ff 45%, #30d5c8 100%);
  border-radius: 20px;
  padding: var(--space-36) var(--space-6);
  color: #fff;
}

.marketing-cta__content {
  max-width: 720px;
}

.marketing-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4-5);
}

.marketing-visual {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;

  background: #fff;
  position: relative;
}

.marketing-section {
  padding: var(--space-80) var(--space-6);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.marketing-section--alt {
  background-color: var(--bg-surface-alt);
  border-radius: 32px;
  margin-top: var(--space-40);
  margin-bottom: var(--space-40);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-8);
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.features-scroll-container {
  overflow-x: auto;
  padding-bottom: var(--space-20);

  -webkit-overflow-scrolling: touch;
  margin: 0 -var(--space-6);

  padding: 0 0 var(--space-20) var(--space-6);
}

.grid-features {
  display: flex;
  gap: var(--space-6);
  min-width: max-content;
  padding-right: var(--space-6);
}

.feature-card {
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);

  width: 300px;

  flex-shrink: 0;
}

.feature-card:hover {
  transform: translateY(-4px);

}

.feature-card h3 {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background-color: var(--bg-surface-warm);
  color: var(--brand-warning-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.feature-card--highlight {
  border: 2px solid var(--brand);
  background: linear-gradient(135deg, rgba(255, 183, 77, 0.08), var(--bg-surface));
  box-shadow: 0 4px 20px -4px rgba(255, 183, 77, 0.2);
}

.feature-badge {
  background: linear-gradient(135deg, #22c55e, #10b981);
  color: #fff;
  font-size: 0.65rem;
  padding: var(--space-0-5) var(--space-2);
  border-radius: 99px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.grid-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.grid-split--reverse {
  direction: rtl;
}

.grid-split--reverse>* {
  direction: ltr;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;

  border: 1px solid var(--border);
}

.marketing-visual img,
.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.marketing-footer {
  padding: var(--space-40) var(--space-6);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  margin-top: var(--space-80);
}

/* Informational (non-marketing) page helpers */
.info-hero {
  padding: var(--space-56) var(--space-6) var(--space-36);
}

.info-hero__inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  text-align: center;
}

.info-hero h1 {
  font-size: 2.6rem;
  margin: 0 auto var(--space-4);
  max-width: 900px;
}

.info-hero p {
  max-width: 780px;
  margin: 0 auto;
}

.info-main {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-96);
}

.info-prose {
  color: var(--text-secondary);
}

.info-prose h2,
.info-prose h3 {
  color: var(--text);
}

.info-card {
  margin-top: var(--space-4-5);
}

.info-card--nested {
  border: 1px solid var(--border);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3-5);
  margin-top: var(--space-4-5);
}

.info-list {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-20);
  line-height: 1.7;
}

.info-timeline {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-4-5);
  border-left: 3px solid var(--border);
  list-style: none;
}

.info-timeline li {
  margin: var(--space-2-5) 0;
}

.coming-soon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-40);
}

.coming-soon-card {
  background: linear-gradient(135deg, var(--bg-surface-warm), #fff);
  border: 1px dashed var(--brand);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: left;
}

.coming-soon-card h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.coming-soon-badge {
  background: var(--brand);
  color: var(--text-on-brand);
  font-size: 0.7rem;
  padding: var(--space-0-5) var(--space-2);
  border-radius: 99px;
  text-transform: uppercase;
  font-weight: 700;
}

.coming-soon-card--featured {
  border-style: solid;
  border-color: var(--brand);
  background: linear-gradient(135deg, rgba(255, 183, 77, 0.12), rgba(255, 138, 91, 0.08));
  box-shadow: 0 4px 20px -4px rgba(255, 183, 77, 0.25);
}

.coming-soon-badge--new {
  background: linear-gradient(135deg, #22c55e, #10b981);
  color: #fff;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
  }

  50% {
    box-shadow: 0 0 8px 2px rgba(34, 197, 94, 0.3);
  }
}

@media (max-width: 768px) {
  .marketing-hero h1 {
    font-size: 2.5rem;
  }

  .grid-split {
    grid-template-columns: 1fr;
    gap: var(--space-40);
  }

  .marketing-nav {
    padding: var(--space-4) var(--space-6);
  }
}

.qa-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-20);
  z-index: 1400;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.qa-modal__dialog {
  position: relative;
  background: var(--surface, #fff);
  border-radius: var(--radius-lg);
  padding: var(--space-22) var(--space-22) var(--space-4-5);
  width: min(520px, 100%);
  box-shadow: var(--shadow-2);
  border: 1px solid var(--border);
}

.qa-modal__title {
  margin: 0 0 var(--space-2);
  color: var(--text);
  font-size: 1.3rem;
}

.qa-modal__hint {
  margin: 0 0 var(--space-3);
  color: var(--text-secondary);
}

.qa-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.qa-modal__close:hover {
  background: rgba(0, 0, 0, 0.08);
  transform: scale(1.05);
}

.qa-form {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-1-5);
}

.qa-form__status {
  min-height: 20px;
  font-size: 0.9rem;
  color: var(--muted, #6b7280);
}

.qa-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2-5);
  margin-top: var(--space-1);
}

@media (max-width: 640px) {
  .qa-modal {
    align-items: flex-start;
    padding: var(--space-3);
  }

  .qa-modal__dialog {
    padding: var(--space-4-5);
  }
}

.deep-learn-modal {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  z-index: 1400;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.deep-learn-modal__dialog {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-28) var(--space-28) var(--space-6);
  max-width: 960px;
  width: min(960px, 100%);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  overscroll-behavior: contain;
  box-shadow: 0 25px 60px -20px rgba(0, 0, 0, 0.25), 0 10px 30px -16px rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.deep-learn-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.04);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.4rem;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.deep-learn-modal__close:hover {
  background: rgba(0, 0, 0, 0.08);
  transform: scale(1.05);
}

.deep-learn-modal__eyebrow {
  margin: 0 0 var(--space-2);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.deep-learn-mark {
  background: linear-gradient(120deg, #3b82f6, #fb7185, #ffb347);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
}

.deep-learn-modal h3 {
  margin: 0 0 var(--space-3);
  color: var(--text);
  font-size: 1.7rem;
}

.deep-learn-modal__copy {
  margin: 0 0 var(--space-3-5);
  color: var(--text-secondary);
  font-size: 1rem;
}

.deep-learn-modal__list {
  margin: 0 0 var(--space-4-5);
  padding-left: var(--space-4-5);
  color: var(--text);
  display: grid;
  gap: var(--space-1-5);
}

.deep-learn-modal__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-surface-alt);
}

.deep-learn-modal__image img {
  width: 100%;
  display: block;
}

@media (max-width: 720px) {
  .deep-learn-modal {
    padding: var(--space-3);
    align-items: flex-start;
  }

  .deep-learn-modal__dialog {
    padding: var(--space-22) var(--space-4-5) var(--space-4-5);
    max-height: calc(100vh - 24px);
  }

  .deep-learn-modal h3 {
    font-size: 1.45rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-app: #0b1220;
    --bg-surface: #0f172a;
    --bg-surface-alt: #16233c;
    --bg-surface-warm: #1a2334;
    --surface: var(--bg-surface);
    --surface-alt: var(--bg-surface-alt);
    --text: #e5e7eb;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-disabled: #64748b;
    --muted: #94a3b8;
    --brand-dark: #0b1220;
    --text-on-brand: #0b1220;
    --border: #243047;
    --shadow-1: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
    --shadow-2: 0 10px 30px -16px rgba(0, 0, 0, 0.6), 0 6px 18px -12px rgba(0, 0, 0, 0.55);
  }

  body {
    background-color: var(--bg-app);
    color: var(--text-secondary);
    color-scheme: dark;
  }

  .site-header {
    background-color: var(--bg-surface);
    border-color: var(--border);
  }

  .site-header__brand {
    color: var(--text);
  }

  .site-header__nav a {
    color: var(--text-secondary);
  }

  .site-header__nav a:hover,
  .site-header__nav a.active {
    color: var(--text);
    background-color: rgba(59, 130, 246, 0.18);
  }

  .site-header__toggle {
    border-color: var(--border);
  }

  .site-header__toggle span {
    background: var(--text);
  }

  .card,
  .question-main .card,
  .practice-footer,
  .deep-learn-modal__dialog,
  .marketing-visual {
    background-color: var(--bg-surface);
    border-color: var(--border);
    color: var(--text);
  }

  .card--subdued,
  .builder-column,
  .builder-collapse,
  .question-sidebar,
  .marketing-section--alt {
    background: var(--bg-surface-alt);
    border-color: var(--border);
  }

  .marketing-section {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(13, 20, 34, 0.98));
    border: 1px solid var(--border);
  }

  .marketing-section--alt {
    background: linear-gradient(160deg, rgba(22, 35, 60, 0.9), rgba(15, 23, 42, 0.92));
    border: 1px solid var(--border);
  }

  .section-header h2 {
    color: var(--text);
  }

  .section-header p {
    color: var(--text-secondary);
  }

  .builder-collapse::after {
    background: rgba(148, 163, 184, 0.2);
  }

  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="password"],
  input[type="date"],
  select,
  textarea {
    background-color: var(--bg-surface);
    color: var(--text);
    border-color: var(--border);
  }

  .input-shell {
    background-color: var(--bg-surface);
    border-color: var(--border);
  }

  .input-shell::after {
    border-top-color: var(--text-muted);
  }

  input::placeholder,
  textarea::placeholder {
    color: var(--muted);
  }

  .amount-bubble-label {
    background: var(--bg-surface-alt);
    border-color: var(--border);
    color: var(--text);
  }

  .amount-bubble-input:checked+.amount-bubble-label {
    background: var(--brand);
    color: var(--brand-dark);
    border-color: var(--brand);
    box-shadow: 0 0 0 2px rgba(255, 229, 180, 0.22);
  }

  .amount-bubble-custom input {
    color: var(--text);
  }

  .btn {
    color: var(--text);
  }

  .btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
  }

  .btn--ghost {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: var(--border);
    color: var(--text);
  }

  .btn--primary {
    color: #0b1220;
  }

  .lesson-list__item {
    background: var(--bg-surface-alt);
    color: var(--text);
    box-shadow: none;
  }

  .lesson-content {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.9));
    color: var(--text);
  }

  .lesson-html p {
    color: var(--text-secondary);
  }

  .checkbox-item {
    background: var(--bg-surface-alt);
    border-color: var(--border);
    color: var(--text);
  }

  .checkbox-item:hover {
    background: rgba(59, 130, 246, 0.14);
    border-color: rgba(59, 130, 246, 0.35);
  }

  .answer-option,
  .choice-item {
    background: var(--bg-surface);
    border-color: var(--border);
    color: var(--text);
  }

  .answer-option:hover,
  .choice-item:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.45);
  }

  .answer-option.is-selected {
    border-color: rgba(59, 130, 246, 0.55);
    background: linear-gradient(160deg, rgba(59, 130, 246, 0.18), rgba(48, 213, 200, 0.16));
  }

  .answer-option.is-correct {
    background: rgba(34, 197, 94, 0.14);
  }

  .answer-option.is-incorrect {
    background: rgba(248, 113, 113, 0.14);
  }

  .flash {
    border-color: transparent;
  }

  .flash--success {
    background-color: rgba(34, 197, 94, 0.14);
    color: #bbf7d0;
  }

  .flash--error {
    background-color: rgba(248, 113, 113, 0.16);
    color: #fecdd3;
  }

  .flash--info {
    background-color: rgba(59, 130, 246, 0.16);
    color: #bfdbfe;
  }

  .flash--warning {
    background-color: rgba(251, 191, 36, 0.18);
    color: #fde68a;
  }

  .comment,
  .comments-empty,
  .comment-form,
  .choice-item,
  .auth-tab.active,
  .auth-card-new {
    background-color: var(--bg-surface);
    color: var(--text);
  }

  .comment,
  .comments-empty,
  .comment-form,
  .choice-item {
    border-color: var(--border);
  }

  .auth-tab.active {
    border: 1px solid var(--border);
  }

  .auth-card-new {
    border-color: var(--border);
    background: rgba(15, 23, 42, 0.9);
  }

  .auth-card-new input[type="text"],
  .auth-card-new input[type="email"],
  .auth-card-new input[type="password"],
  .auth-card-new select {
    background-color: var(--bg-surface-alt);
    border-color: var(--border);
    color: var(--text);
  }

  .choice-item:hover {
    border-color: var(--brand);
  }

  .sidebar-btn.is-correct {
    border-color: rgba(34, 197, 94, 0.45);
    background: rgba(34, 197, 94, 0.16);
  }

  .sidebar-btn.is-incorrect {
    border-color: rgba(248, 113, 113, 0.45);
    background: rgba(248, 113, 113, 0.16);
  }

  .tab-btn {
    background: var(--bg-surface);
    color: var(--text-secondary);
  }

  .tab-btn.is-active {
    color: var(--text-on-brand);
  }

  .btn--deep-learn,
  .btn--deep-learn:hover {
    background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
      linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
    color: var(--text);
    box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.6);
  }

  .explanation-card--deep-active {
    background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
      linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
    box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.6);
  }

  .explanation-card--deep-active:hover {
    background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
      linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  }

  .question-labs {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.25);
  }

  .practice-meta__mode {
    background: rgba(59, 130, 246, 0.16);
    color: var(--text);
  }

  .question-number {
    color: var(--text);
  }

  .question-nav {
    color: var(--text);
    font-weight: 600;
    background: transparent;
    border-color: rgba(148, 163, 184, 0.35);
  }

  .question-nav:hover,
  .question-nav.is-active {
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.18), rgba(48, 213, 200, 0.1));
    color: var(--text);
  }

  .question-nav.is-correct {
    color: var(--text);
  }

  .question-nav.is-incorrect {
    color: var(--text);
  }

  .question-nav.is-correct:hover,
  .question-nav.is-correct.is-active {
    color: var(--text);
  }

  .question-nav.is-incorrect:hover,
  .question-nav.is-incorrect.is-active {
    color: var(--text);
  }


  .question-nav.is-correct,
  .question-nav.is-correct:hover,
  .question-nav.is-correct.is-active {
    background: transparent;
    border-color: rgba(34, 197, 94, 0.8);
  }

  .question-nav.is-incorrect,
  .question-nav.is-incorrect:hover,
  .question-nav.is-incorrect.is-active {
    background: transparent;
    border-color: rgba(248, 113, 113, 0.85);
  }

  .share-field__label {
    color: var(--text-secondary);
  }

  .share-field__input,
  .share-field__textarea {
    background: var(--bg-surface);
    border-color: var(--border);
    color: var(--text);
  }

  .tag {
    color: var(--text);
  }

  .tag--muted {
    background: rgba(148, 163, 184, 0.12);
  }

  .highlight {
    background: rgba(255, 214, 102, 0.3);
    color: var(--brand-dark);
  }

  .highlight-token {
    background: rgba(255, 214, 102, 0.42);
    color: var(--brand-dark);
  }

  .filter-pill--active {
    background-color: rgba(59, 130, 246, 0.16);
    color: var(--text);
    border-color: rgba(59, 130, 246, 0.35);
  }



  .practice-footer {
    background: linear-gradient(120deg, rgba(15, 23, 42, 0.9), rgba(17, 24, 39, 0.94));
    border-top: 1px solid rgba(148, 163, 184, 0.25);
  }

  .site-footer {
    color: var(--text-muted);
  }

}

/* Manual theme overrides */
:root[data-theme="dark"] {
  --bg-app: #0b1220;
  --bg-surface: #0f172a;
  --bg-surface-alt: #16233c;
  --bg-surface-warm: #1a2334;
  --surface: var(--bg-surface);
  --surface-alt: var(--bg-surface-alt);
  --text: #e5e7eb;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-disabled: #64748b;
  --muted: #94a3b8;
  --brand-dark: #0b1220;
  --text-on-brand: #0b1220;
  --border: #243047;
  --shadow-1: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
  --shadow-2: 0 10px 30px -16px rgba(0, 0, 0, 0.6), 0 6px 18px -12px rgba(0, 0, 0, 0.55);
}

body[data-theme="dark"],
:root[data-theme="dark"] body {
  background-color: var(--bg-app);
  color: var(--text-secondary);
  color-scheme: dark;
}

[data-theme="dark"] .site-header {
  background-color: var(--bg-surface);
  border-color: var(--border);
}

[data-theme="dark"] .site-header__brand {
  color: var(--text);
}

[data-theme="dark"] .site-header__nav a {
  color: var(--text-secondary);
}

[data-theme="dark"] .site-header__nav a:hover,
[data-theme="dark"] .site-header__nav a.active {
  color: var(--text);
  background-color: rgba(59, 130, 246, 0.18);
}

[data-theme="dark"] .site-header__toggle {
  border-color: var(--border);
}

[data-theme="dark"] .site-header__toggle span {
  background: var(--text);
}

[data-theme="dark"] .card,
[data-theme="dark"] .question-main .card,
[data-theme="dark"] .practice-footer,
[data-theme="dark"] .deep-learn-modal__dialog,
[data-theme="dark"] .marketing-visual {
  background-color: var(--bg-surface);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .card--subdued,
[data-theme="dark"] .builder-column,
[data-theme="dark"] .builder-collapse,
[data-theme="dark"] .question-sidebar,
[data-theme="dark"] .marketing-section--alt {
  background: var(--bg-surface-alt);
  border-color: var(--border);
}

[data-theme="dark"] .marketing-section {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(13, 20, 34, 0.98));
  border: 1px solid var(--border);
}

[data-theme="dark"] .marketing-section--alt {
  background: linear-gradient(160deg, rgba(22, 35, 60, 0.9), rgba(15, 23, 42, 0.92));
  border: 1px solid var(--border);
}

[data-theme="dark"] .section-header h2 {
  color: var(--text);
}

[data-theme="dark"] .section-header p {
  color: var(--text-secondary);
}

[data-theme="dark"] .builder-collapse::after {
  background: rgba(148, 163, 184, 0.2);
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background-color: var(--bg-surface);
  color: var(--text);
  border-color: var(--border);
}

[data-theme="dark"] .input-shell {
  background-color: var(--bg-surface);
  border-color: var(--border);
}

[data-theme="dark"] .input-shell::after {
  border-top-color: var(--text-muted);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
  color: var(--muted);
}

[data-theme="dark"] .amount-bubble-label {
  background: var(--bg-surface-alt);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .amount-bubble-input:checked+.amount-bubble-label {
  background: var(--brand);
  color: var(--brand-dark);
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(255, 229, 180, 0.22);
}

[data-theme="dark"] .amount-bubble-custom input {
  color: var(--text);
}

[data-theme="dark"] .btn {
  color: var(--text);
}

[data-theme="dark"] .btn:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .btn--ghost {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .btn--accent-baby {
  background-color: rgba(180, 206, 255, 0.14);
  border-color: rgba(180, 206, 255, 0.22);
  color: var(--text);
}

[data-theme="dark"] .btn--accent-baby:hover {
  background-color: rgba(180, 206, 255, 0.2);
  border-color: rgba(180, 206, 255, 0.3);
  color: var(--text);
}

[data-theme="dark"] .btn--primary {
  color: #0b1220;
}

[data-theme="dark"] .lesson-list__item {
  background: var(--bg-surface-alt);
  color: var(--text);
  box-shadow: none;
}

[data-theme="dark"] .lesson-content {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.9));
  color: var(--text);
}

[data-theme="dark"] .lesson-html p {
  color: var(--text-secondary);
}

[data-theme="dark"] .checkbox-item {
  background: var(--bg-surface-alt);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .checkbox-item:hover {
  background: rgba(59, 130, 246, 0.14);
  border-color: rgba(59, 130, 246, 0.35);
}

[data-theme="dark"] .info-icon {
  border-color: rgba(148, 163, 184, 0.3);
  background: rgba(148, 163, 184, 0.08);
  color: var(--text-secondary);
}

[data-theme="dark"] .info-icon::after {
  background: rgba(2, 6, 23, 0.96);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .info-icon::before {
  border-color: rgba(2, 6, 23, 0.96) transparent transparent transparent;
}

[data-theme="dark"] .answer-option,
[data-theme="dark"] .choice-item {
  background: var(--bg-surface);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .answer-option:hover,
[data-theme="dark"] .choice-item:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.45);
}

[data-theme="dark"] .answer-option.is-selected {
  border-color: rgba(59, 130, 246, 0.55);
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.18), rgba(48, 213, 200, 0.16));
}

[data-theme="dark"] .answer-option.is-correct {
  background: rgba(34, 197, 94, 0.14);
}

[data-theme="dark"] .answer-option.is-incorrect {
  background: rgba(248, 113, 113, 0.14);
}

[data-theme="dark"] .flash {
  border-color: transparent;
}

[data-theme="dark"] .flash--success {
  background-color: rgba(34, 197, 94, 0.14);
  color: #bbf7d0;
}

[data-theme="dark"] .flash--error {
  background-color: rgba(248, 113, 113, 0.16);
  color: #fecdd3;
}

[data-theme="dark"] .flash--info {
  background-color: rgba(59, 130, 246, 0.16);
  color: #bfdbfe;
}

[data-theme="dark"] .flash--warning {
  background-color: rgba(251, 191, 36, 0.18);
  color: #fde68a;
}

[data-theme="dark"] .comment,
[data-theme="dark"] .comments-empty,
[data-theme="dark"] .comment-form,
[data-theme="dark"] .choice-item,
[data-theme="dark"] .auth-tab.active,
[data-theme="dark"] .auth-card-new {
  background-color: var(--bg-surface);
  color: var(--text);
}

[data-theme="dark"] .comment,
[data-theme="dark"] .comments-empty,
[data-theme="dark"] .comment-form,
[data-theme="dark"] .choice-item {
  border-color: var(--border);
}

[data-theme="dark"] .auth-tab.active {
  border: 1px solid var(--border);
}

[data-theme="dark"] .auth-card-new {
  border-color: var(--border);
  background: rgba(15, 23, 42, 0.9);
}

[data-theme="dark"] .auth-card-new input[type="text"],
[data-theme="dark"] .auth-card-new input[type="email"],
[data-theme="dark"] .auth-card-new input[type="password"],
[data-theme="dark"] .auth-card-new select {
  background-color: var(--bg-surface-alt);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .choice-item:hover {
  border-color: var(--brand);
}

[data-theme="dark"] .sidebar-btn.is-correct {
  border-color: rgba(34, 197, 94, 0.45);
  background: rgba(34, 197, 94, 0.16);
}

[data-theme="dark"] .sidebar-btn.is-incorrect {
  border-color: rgba(248, 113, 113, 0.45);
  background: rgba(248, 113, 113, 0.16);
}

[data-theme="dark"] .tab-btn {
  background: var(--bg-surface);
  color: var(--text-secondary);
}

[data-theme="dark"] .tab-btn.is-active {
  color: var(--text-on-brand);
}

[data-theme="dark"] .btn--deep-learn,
[data-theme="dark"] .btn--deep-learn:hover {
  background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  color: var(--text);
  box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .explanation-card--deep-active {
  background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
  box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .explanation-card--deep-active:hover {
  background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(120deg, #3b82f6, #fb7185, #ffb347) border-box;
}

[data-theme="dark"] .question-labs {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.25);
}

[data-theme="dark"] .practice-meta__mode {
  background: rgba(59, 130, 246, 0.16);
  color: var(--text);
}

[data-theme="dark"] .question-number {
  color: var(--text);
}

[data-theme="dark"] .question-nav {
  color: var(--text);
  font-weight: 600;
  background: transparent;
  border-color: rgba(148, 163, 184, 0.35);
}

[data-theme="dark"] .question-nav:hover,
[data-theme="dark"] .question-nav.is-active {
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.18), rgba(48, 213, 200, 0.1));
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-correct {
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-incorrect {
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-correct:hover,
[data-theme="dark"] .question-nav.is-correct.is-active {
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-incorrect:hover,
[data-theme="dark"] .question-nav.is-incorrect.is-active {
  color: var(--text);
}

[data-theme="dark"] .question-nav.is-correct,
[data-theme="dark"] .question-nav.is-correct:hover,
[data-theme="dark"] .question-nav.is-correct.is-active {
  background: transparent;
  border-color: rgba(34, 197, 94, 0.8);
}

[data-theme="dark"] .question-nav.is-incorrect,
[data-theme="dark"] .question-nav.is-incorrect:hover,
[data-theme="dark"] .question-nav.is-incorrect.is-active {
  background: transparent;
  border-color: rgba(248, 113, 113, 0.85);
}

[data-theme="dark"] .share-field__label {
  color: var(--text-secondary);
}

[data-theme="dark"] .share-field--compact {
  background: var(--bg-surface);
  border-color: var(--border);
}

[data-theme="dark"] .share-field__copy-btn {
  background: rgba(59, 130, 246, 0.16);
}

[data-theme="dark"] .share-field__input,
[data-theme="dark"] .share-field__textarea {
  background: var(--bg-surface);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .tag {
  color: var(--text);
}

:root[data-theme="light"] {
  color-scheme: light;
}

body[data-theme="light"],
:root[data-theme="light"] body {
  color-scheme: light;
  background-color: var(--bg-app);
  color: var(--text-secondary);
}

.policy-body {
  background: var(--bg-surface);
  color: var(--text);
}

.policy-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) var(--space-96);
}

.policy-hero {
  margin-bottom: var(--space-20);
}

.policy-kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: var(--space-1-5);
}

.policy-hero h1 {
  margin: 0 0 var(--space-2);
  font-size: 2.5rem;
}

.policy-hero p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.policy-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-1);
}

.policy-card+.policy-card {
  margin-top: var(--space-4);
}

.policy-section+.policy-section {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.policy-section h2 {
  margin: 0 0 var(--space-2-5);
  font-size: 1.2rem;
  color: var(--text);
}

.policy-section p {
  margin: 0 0 var(--space-2-5);
  color: var(--text-secondary);
  line-height: 1.7;
}

.policy-section ul {
  margin: var(--space-3) 0;
  padding-left: var(--space-20);
  color: var(--text-secondary);
}

.policy-section li {
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

.policy-footer {
  text-align: center;
  margin-top: var(--space-6);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-40) var(--space-20);
  line-height: 1.6;
  color: var(--text-secondary);
}

.legal-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.legal-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.legal-content p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.legal-content ul {
  margin-bottom: 1rem;
  padding-left: 2rem;
  color: var(--text-secondary);
}

.legal-content li {
  margin-bottom: 0.5rem;
}

.legal-content strong {
  color: var(--text);
}

.admin-console {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.admin-actions form {
  margin: 0;
  width: 100%;
}

.admin-actions .btn {
  width: 100%;
  justify-content: center;
}

.admin-console__frame {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: var(--shadow-1);
  min-height: 70vh;
}

.admin-console__frame iframe {
  width: 100%;
  min-height: 70vh;
  border: 0;
  background: #fff;
}

.admin-table-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.admin-table-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1-5) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-surface-alt);
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.practice-meta__timer {
  cursor: pointer;
  user-select: none;
  transition: opacity 0.2s;
}

.practice-meta__timer--paused {
  opacity: 0.7;
  font-style: italic;
}

.btn--secondary {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  background-color: var(--bg-surface-alt);
  border-color: var(--brand);
}

.analysis-form-group {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
}

.analysis-form-inline {
  flex-direction: row;
  align-items: center;
  flex-wrap: nowrap;
}

@media (max-width: 600px) {
  .analysis-form-inline {
    flex-wrap: wrap;
  }
}

.analysis-input-shell {
  max-width: 200px;
  flex-shrink: 0;
}

.btn-upload-csv {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.analysis-file-name {
  margin-top: var(--space-2);
  display: block;
}

.chart-container--wide {
  min-height: 300px;
}

.analysis-results-container {
  display: none;
}

.analysis-table-wrapper {
  margin-top: var(--space-4);
}

.analysis-incorrect-count {
  color: #ea5a6b;
  font-weight: bold;
}

.recommendation-textarea {
  background-color: var(--bg-surface-alt);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.recommendation-actions {
  margin-top: var(--space-2);
}

.recommendation-status {
  margin-top: var(--space-2);
  font-size: 0.9em;
}

.analysis-empty-message {
  text-align: center;
}

.learn-shell {
  margin: var(--space-6) auto var(--space-6) auto;
  max-width: var(--container-max-width);
  width: min(var(--container-max-width), 100%);

  padding: 0 var(--container-pad-x);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.learn-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.32fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: stretch;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.learn-tier-info {
  margin-bottom: 0.5rem;
}

@media (min-width: 901px) {

  .page-learn,
  .page-index,
  .page-dashboard,
  .page-settings,
  .page-nbme {
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .page-learn .site-header,
  .page-index .site-header,
  .page-dashboard .site-header,
  .page-settings .site-header,
  .page-nbme .site-header {
    flex-shrink: 0;
  }

  .page-learn .site-footer,
  .page-index .site-footer,
  .page-dashboard .site-footer,
  .page-settings .site-footer,
  .page-nbme .site-footer {
    flex-shrink: 0;
  }

  .page-learn .learn-shell {
    flex: 1 1 auto;
    min-height: 0;

  }

  .page-learn .learn-grid {
    flex: 1 1 auto;
    min-height: 0;
  }

  .page-index .container,
  .page-dashboard .container,
  .page-settings .container,
  .page-nbme .container {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    margin-top: var(--space-6);
    margin-bottom: 0;
  }
}

.page-nbme .nbme-insights-video {
  margin-top: var(--space-3);
}

.page-nbme .nbme-insights-video video {
  width: 100%;
  max-width: 820px;
  height: auto;
  display: block;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}

@media (max-width: 1100px) {
  .learn-grid {
    grid-template-columns: minmax(240px, 0.4fr) minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .learn-grid {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
    flex: none;
  }

  .learn-shell {
    height: auto;
    overflow: visible;
    display: block;
  }

  .learn-sidebar {
    height: auto;
    overflow: visible;
  }

  .lesson-main {
    height: auto;
    overflow: visible;
  }
}

.learn-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 0;
  overflow-y: auto;
  padding-right: var(--space-1);
}

.lesson-list-card,
.learn-form-card {
  flex-shrink: 0;
}

.lesson-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2-5);
}

.lesson-list__header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  margin-bottom: var(--space-2-5);
}

.lesson-list__title-main {
  margin: var(--space-0-5) 0 0;
}

.lesson-list__hint {
  margin-top: var(--space-2-5);
}

.lesson-list__item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: var(--bg-surface-alt);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.12s ease;
}

.lesson-list__item:hover,
.lesson-list__item:focus-visible {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-2);
  transform: translateY(-1px);
}

.lesson-list__item.is-active {
  border-color: var(--accent-blue);
  box-shadow: 0 12px 30px -18px rgba(59, 130, 246, 0.35);
}

.lesson-list__title {
  font-weight: 700;
  color: var(--text);
}

.lesson-list__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-1-5);
}

.lesson-subtitle {
  color: var(--text-muted, #6b7280);
  font-size: 0.9rem;
}

.lesson-error {
  color: #b91c1c;
  font-size: 0.9rem;
  margin-top: var(--space-1-5);
}

.lesson-status {
  padding: var(--space-0-5) var(--space-2-5);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text);
}

.lesson-status--completed {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
  border-color: rgba(34, 197, 94, 0.4);
}

.lesson-status--processing,
.lesson-status--pending,
.lesson-status--queued {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.4);
}

.lesson-status--failed {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
  border-color: rgba(185, 28, 28, 0.35);
}

.lesson-main {
  min-height: 0;
  width: 100%;
  overflow-y: auto;
}

.lesson-content {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4-5);
  background: var(--bg-surface);
  color: var(--text);
  box-shadow: var(--shadow-2);
}

.lesson-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.lesson-tags {
  display: flex;
  gap: var(--space-1-5);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.lesson-body {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3-5);
}

.lesson-qid-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-2) var(--space-2-5);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface-alt);
  margin-top: var(--space-2);
}

.lesson-qid-label {
  font-weight: 600;
  color: var(--text);
}

.lesson-qid-values {
  color: var(--text-secondary);
  font-family: monospace;
}

.lesson-html {
  color: var(--text);
}

.lesson-html h1,
.lesson-html h2,
.lesson-html h3,
.lesson-html h4 {
  color: var(--text);
}

.lesson-html p {
  color: var(--text-secondary);
}

.lesson-html table {
  width: 100%;
  border-collapse: collapse;
}

.lesson-html th,
.lesson-html td {
  border: 1px solid var(--border);
  padding: var(--space-1-5) var(--space-2);
  text-align: left;
}

.lesson-html a {
  color: var(--accent-blue);
}

@media (max-width: 640px) {
  .page-learn {
    overflow-x: hidden;
  }

  .learn-shell {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
    margin-top: var(--space-1);
    height: auto;
    overflow: visible;
    max-width: 100%;
    width: 100%;
  }

  .learn-grid {
    gap: var(--space-3);
    height: auto;
    max-width: 100%;
    width: 100%;
    overflow: visible;
  }

  .learn-sidebar {
    height: auto;
    overflow: visible;
    padding-right: 0;
    max-width: 100%;
  }

  .learn-sidebar .card {
    padding: var(--space-3-5);
    max-width: 100%;
  }

  .learn-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .learn-form .form-group--actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2-5);
  }

  .learn-form .btn {
    width: 100%;
    justify-content: center;
  }

  .lesson-main {
    min-height: 0;
    height: auto;
    overflow: visible;
    max-width: 100%;
  }

  .lesson-content {
    padding: var(--space-3-5);
    min-height: 0;
    max-width: 100%;
    width: 100%;
    overflow-x: hidden;
  }

  .lesson-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .lesson-header h2 {
    margin: 0;
    font-size: 1.2rem;
  }

  .lesson-header__meta {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
  }

  .lesson-list__item {
    padding: var(--space-2-5);
  }

  .lesson-list__meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .lesson-qid-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1-5);
    width: 100%;
  }

  .lesson-qid-values {
    word-break: break-word;
    overflow-wrap: anywhere;
    max-width: 100%;
  }

  .lesson-practice-btn {
    width: 100%;
  }

  .lesson-html {
    font-size: 1rem;
    max-width: 100%;
    overflow-x: auto;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .lesson-html table {
    display: block;
    width: 100%;
    max-width: 100%;
    table-layout: fixed;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .lesson-html th,
  .lesson-html td {
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
  }
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-gap);
  margin: 0 auto;
}

.dashboard-span-full {
  grid-column: 1 / -1;
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .dashboard-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
    overflow-x: hidden;
  }

  .dashboard-grid .card {
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }

  .dashboard-grid .chart-container,
  .dashboard-grid .chart-container--square,
  .dashboard-grid .chart-container--short {
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }
}

@media (min-width: 1024px) {
  .dashboard-span-2 {
    grid-column: span 2;
  }

  .dashboard-span-full {
    grid-column: 1 / -1;
  }

  /* Review page tweaks */
  .review-header__actions {
    gap: 0.5rem;
  }

  .review-header__actions .muted {
    text-align: right;
  }

  .insight-title {
    margin-top: 1rem;
    font-size: 1.15rem;
    font-weight: 700;
  }

  .insight-summary {
    font-size: 1.05rem;
  }

  .insight-accent {
    color: #dc2626;
    font-weight: 700;
  }
}

.dashboard-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  align-items: center;
  justify-items: center;
  margin-top: 1.5rem;
}

.dashboard-summary-grid .summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 200px;
}

.page-dashboard .open120-block-grid .summary-item {
  max-width: 100%;
  align-items: flex-start;
}

.page-dashboard .dashboard-summary .summary-item {
  border: none;
  background: transparent;
  padding: 0;
  box-shadow: none;
  border-radius: 0;
}

.dashboard-summary-grid .summary-item__title {
  margin: 0 0 1rem 0;
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-align: center;
}

.dashboard-summary-grid .summary-item__chart {
  position: relative;
  width: 160px;
  height: 160px;
}

.exam-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  margin-left: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-blue);
  background-color: var(--accent-blue-baby);
  border-radius: var(--radius-pill);
  vertical-align: middle;
}

@media (max-width: 768px) {
  .dashboard-summary-grid {
    gap: 1rem;
    grid-template-columns: 1fr 1fr;
  }

  .dashboard-summary-grid .summary-item__chart {
    width: 120px;
    height: 120px;
  }

  .dashboard-summary-grid .summary-item__title {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
  }

  .exam-badge {
    display: block;
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .dashboard-summary h2 {
    text-align: center;
  }

  .chart-container--short {
    aspect-ratio: 3 / 1;
    min-height: 120px;
  }

  .chart-container--square {
    aspect-ratio: 1 / 1;
    min-height: 220px;
  }
}

@media (max-width: 400px) {
  .dashboard-summary-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-summary-grid .summary-item {
    max-width: 100%;
  }

  .dashboard-summary-grid .summary-item__chart {
    width: 140px;
    height: 140px;
  }
}

@media (max-width: 768px) {
  .dashboard-table-wrapper {
    margin: 0 -1rem;
    padding: 0 1rem;
  }

  .dashboard-table {
    font-size: 0.875rem;
  }

  .dashboard-table th,
  .dashboard-table td {
    padding: 0.75rem 0.5rem;
  }

  .dashboard-share {
    min-width: 100px;
  }

  .dashboard-actions {
    white-space: nowrap;
  }

  .share-field--compact {
    min-width: 180px;
  }
}

/* Anki Cards Section */
.explanation-anki {
  margin-top: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.anki-section {
  margin-top: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 0.98rem;
  box-shadow: none;
}

.anki-section--top {
  margin-bottom: 0;
  border-bottom: 0;
}

.anki-section__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.anki-section__content {
  flex: 1;
  word-break: break-word;
  min-width: 220px;
  color: var(--text);
  line-height: 1.5;
}

.anki-section__content strong {
  display: inline-block;
  margin-bottom: var(--space-1);
}

.anki-section__cards {
  margin: var(--space-2-5) 0 0;
  white-space: pre-wrap;
  max-height: none;
  overflow: visible;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 0.95rem;
  line-height: 1.45;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.anki-table-wrap {
  margin-top: var(--space-2-5);
  border: 1px solid var(--border, #cbd5e1);
  border-radius: 10px;
  overflow-x: auto;
  background: var(--bg-surface, #ffffff);
}

.anki-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  line-height: 1.4;
  min-width: 860px;
}

.anki-table th,
.anki-table td {
  border-bottom: 1px solid var(--border, #cbd5e1);
  padding: 0.55rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

.anki-table th {
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted, #64748b);
  background: var(--bg-muted, #f8fafc);
}

.anki-table tbody tr:last-child td {
  border-bottom: 0;
}

.anki-section__cta {
  margin-top: var(--space-3-5);
  display: flex;
  justify-content: center;
}

#anki-panel.is-active {
  display: flex;
  flex-direction: column;
}

.anki-section--empty {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.anki-section--empty .anki-section__cta {
  margin-top: auto;
  padding-top: var(--space-4);
}

@media (max-width: 640px) {
  .anki-section__cards {
    font-size: 0.9rem;
  }
}

/* Planner page */
.page-planner {
  --planner-learning: var(--accent-blue);
  --planner-practice: var(--success);
  --planner-exam: var(--danger);
  --planner-buffer: var(--text-muted);
}

.page-planner .marketing-main {
  width: min(var(--container-max-width), 100%);
  margin-inline: auto;
}

.page-planner .planner-shell {
  padding-top: var(--space-2);
}

.page-planner .hero {
  margin-bottom: var(--space-22);
}

.page-planner .hero h1 {
  margin: var(--space-1) 0 var(--space-1-5);
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-planner .lede {
  margin: var(--space-1-5) 0 0;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 760px;
}

.page-planner .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 600;
}

.page-planner .inputs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
}

.page-planner .planner-bottom-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr)) minmax(220px, 1fr);
  gap: var(--space-3);
  align-items: end;
  margin-top: var(--space-3);
}

.page-planner .planner-submit {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: stretch;
}

.page-planner .planner-submit .hint {
  width: 100%;
  text-align: left;
}

.page-planner .planner-submit .btn {
  width: 100%;
}

.card__header--top {
  align-items: flex-start;
}

.card__content-grow {
  flex: 1;
}

.planner-presets--start {
  margin-top: var(--space-4);
  justify-content: flex-start;
}

.page-planner .field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface-alt);
}

.page-planner .field>span {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.page-planner .field-group {
  grid-column: 1 / -1;
}

.page-planner .pill-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-2);
}

.page-planner .pill-group.testing-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-planner .pill-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-planner .pill {
  gap: var(--space-2);
  height: auto;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-surface);
  font-size: 0.9rem;
  color: var(--text);
}

.page-planner .pill input {
  accent-color: var(--brand-blue);
}

.page-planner .pill-heading {
  border: none;
  background: transparent;
  padding: 0;
  margin: var(--space-1) 0 var(--space-0-5);
  font-weight: 700;
  color: var(--text);
  cursor: default;
}

.page-planner .actions {
  margin-top: var(--space-3-5);
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}

.page-planner .hint {
  color: var(--danger);
  min-height: 20px;
  font-weight: 500;
}

.page-planner .stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-2-5);
}

.page-planner #plannerCalendarCard .stats {
  margin: 0 0 var(--space-3);
}

.page-planner .planner-progress {
  margin: 0 0 var(--space-3);
}

.page-planner .planner-progress__title {
  margin-bottom: 0.75rem;
}

.page-planner .stat {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-surface-alt);
}

.page-planner .stat .label {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.page-planner .stat .value {
  font-size: 1.25rem;
  margin-top: var(--space-1);
  color: var(--text);
  font-weight: 700;
}

.page-planner .collapsible {
  padding: 0;
}

.page-planner .collapsible summary {
  list-style: none;
}

.page-planner .collapsible>summary::-webkit-details-marker {
  display: none;
}

.page-planner .collapsible-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  cursor: pointer;
}

.page-planner .collapsible-body {
  padding: var(--space-3) 0 0;
  border-top: 1px solid var(--border);
}

.page-planner .chevron {
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  margin-left: var(--space-3);
  flex-shrink: 0;
  margin-top: var(--space-1-5);
}

.page-planner details[open] .chevron {
  transform: rotate(-135deg);
}

.page-planner .plan-methodology {
  margin: var(--space-1-5) 0 var(--space-2-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

.page-planner .plan-methodology h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-planner .method-heading {
  margin: 0 0 var(--space-2);
  font-weight: 700;
  color: var(--text);
}

.page-planner .phase-list {
  margin: 0;
  padding-left: var(--space-4-5);
  line-height: 1.5;
  color: var(--text);
}

.page-planner .method-paragraph {
  margin: 0;
  line-height: 1.6;
  color: var(--text-secondary);
}

.page-planner .method-paragraph a {
  color: var(--brand-blue);
  font-weight: 600;
  text-decoration: none;
}

.page-planner .method-paragraph a:hover {
  text-decoration: underline;
}

.page-planner .legend {
  display: flex;
  gap: var(--space-2-5);
  align-items: center;
  color: var(--text-secondary);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.page-planner .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.page-planner .legend-dot.learning {
  background: var(--planner-learning);
}

.page-planner .legend-dot.practice {
  background: var(--planner-practice);
}

.page-planner .legend-dot.exam {
  background: var(--planner-exam);
}

.page-planner .legend-dot.buffer {
  background: var(--planner-buffer);
}

.page-planner .calendar-controls {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.page-planner .calendar-month {
  font-weight: 700;
  color: var(--text);
  min-width: 150px;
  text-align: center;
}

.page-planner .calendar {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: var(--shadow-1);
}

.page-planner .calendar-dow-grid,
.page-planner .calendar-day-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.page-planner .calendar-day-grid {
  grid-auto-rows: minmax(190px, auto);
  align-items: start;
}

.page-planner .calendar-dow {
  background: var(--bg-surface-alt);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 700;
}

.page-planner .calendar-cell {
  min-height: 180px;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  background: var(--bg-surface);
  position: relative;
}

.page-planner .calendar-day-grid .calendar-cell:nth-child(7n) {
  border-right: none;
}

.page-planner .calendar-date {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.page-planner .calendar-cell.break {
  background: rgba(243, 244, 246, 0.55);
}

.page-planner .calendar-cell.today {
  outline: 2px solid rgba(59, 130, 246, 0.25);
  outline-offset: -2px;
}

.page-planner .calendar-cell.selected {
  box-shadow: inset 0 0 0 2px var(--brand-blue);
}

.page-planner .calendar-events {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-planner .calendar-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-pill);
  background: rgba(243, 244, 246, 0.7);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  max-width: 100%;
  white-space: normal;
  line-height: 1.25;
  cursor: default;
}

.page-planner .calendar-chip.learning {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
  color: #1e3a8a;
}

.page-planner .calendar-chip.practice {
  background: rgba(22, 163, 74, 0.12);
  border-color: rgba(22, 163, 74, 0.35);
  color: #14532d;
}

.page-planner .calendar-chip.exam {
  background: rgba(220, 38, 38, 0.12);
  border-color: rgba(220, 38, 38, 0.35);
  color: #7f1d1d;
}

.page-planner .calendar-chip.buffer {
  background: rgba(156, 163, 175, 0.18);
  border-color: rgba(156, 163, 175, 0.35);
  color: #374151;
}

.page-planner .calendar-chip.more {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.12);
  color: var(--text-secondary);
}

@media (prefers-color-scheme: dark) {
  .page-planner .calendar-cell.break {
    background: rgba(255, 255, 255, 0.03);
  }

  .page-planner .calendar-chip {
    background: rgba(255, 255, 255, 0.06);
  }

  .page-planner .calendar-chip.learning {
    background: rgba(59, 130, 246, 0.18);
    border-color: rgba(59, 130, 246, 0.35);
    color: #dbeafe;
  }

  .page-planner .calendar-chip.practice {
    background: rgba(22, 163, 74, 0.18);
    border-color: rgba(22, 163, 74, 0.35);
    color: #dcfce7;
  }

  .page-planner .calendar-chip.exam {
    background: rgba(220, 38, 38, 0.18);
    border-color: rgba(220, 38, 38, 0.35);
    color: #fee2e2;
  }

  .page-planner .calendar-chip.buffer {
    background: rgba(148, 163, 184, 0.14);
    border-color: rgba(148, 163, 184, 0.3);
    color: var(--text-secondary);
  }

  .page-planner .calendar-chip.more {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
    color: var(--text-secondary);
  }
}

:root[data-theme="dark"] .page-planner .calendar-cell.break,
body[data-theme="dark"].page-planner .calendar-cell.break {
  background: rgba(255, 255, 255, 0.03);
}

:root[data-theme="dark"] .page-planner .calendar-chip,
body[data-theme="dark"].page-planner .calendar-chip {
  background: rgba(255, 255, 255, 0.06);
}

:root[data-theme="dark"] .page-planner .calendar-chip.learning,
body[data-theme="dark"].page-planner .calendar-chip.learning {
  background: rgba(59, 130, 246, 0.18);
  border-color: rgba(59, 130, 246, 0.35);
  color: #dbeafe;
}

:root[data-theme="dark"] .page-planner .calendar-chip.practice,
body[data-theme="dark"].page-planner .calendar-chip.practice {
  background: rgba(22, 163, 74, 0.18);
  border-color: rgba(22, 163, 74, 0.35);
  color: #dcfce7;
}

:root[data-theme="dark"] .page-planner .calendar-chip.exam,
body[data-theme="dark"].page-planner .calendar-chip.exam {
  background: rgba(220, 38, 38, 0.18);
  border-color: rgba(220, 38, 38, 0.35);
  color: #fee2e2;
}

:root[data-theme="dark"] .page-planner .calendar-chip.buffer,
body[data-theme="dark"].page-planner .calendar-chip.buffer {
  background: rgba(148, 163, 184, 0.14);
  border-color: rgba(148, 163, 184, 0.3);
  color: var(--text-secondary);
}

:root[data-theme="dark"] .page-planner .calendar-chip.more,
body[data-theme="dark"].page-planner .calendar-chip.more {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text-secondary);
}

.page-planner .day-nav {
  display: none;
  align-items: center;
  gap: var(--space-2-5);
  margin-bottom: var(--space-2-5);
}

.page-planner .day-nav-label {
  flex: 1;
  text-align: center;
  font-weight: 700;
  color: var(--text);
}

.page-planner .day-detail {
  margin-top: var(--space-3-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  padding: var(--space-3);
  box-shadow: var(--shadow-1);
}

.page-planner .day-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2-5);
  margin-bottom: var(--space-2);
}

.page-planner .day-detail-title {
  font-weight: 700;
  color: var(--text);
}

.page-planner .day-detail-meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.page-planner .day-detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1-5);
}

.page-planner .day-detail-item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-2-5) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border);
}

.page-planner .day-detail-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-planner .day-detail-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.page-planner .day-detail-name {
  color: var(--text);
  font-weight: 600;
}

.page-planner .day-detail-minutes {
  color: var(--text-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
}

.page-planner .day-detail-note,
.page-planner .day-detail-videos {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.4;
}

.page-planner .day-detail-videos {
  margin: var(--space-0-5) 0 0 var(--space-4);
  padding: 0;
  list-style: disc;
}

.page-planner .day-detail-videos li {
  margin: 0;
}

.page-planner .day-detail-empty,
.page-planner .schedule-empty {
  color: var(--text-secondary);
  font-style: italic;
}

.page-planner .tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1-5);
  padding: var(--space-0-5) var(--space-2);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  color: #fff;
  font-weight: 700;
}

.page-planner .tag.learning {
  background: var(--planner-learning);
}

.page-planner .tag.practice {
  background: var(--planner-practice);
}

.page-planner .tag.exam {
  background: var(--planner-exam);
}

.page-planner .tag.buffer {
  background: var(--planner-buffer);
  color: var(--text);
}

@media (max-width: 640px) {
  .page-planner .calendar {
    display: none;
  }

  .page-planner .calendar-controls {
    width: 100%;
  }

  .page-planner .calendar-month {
    width: 100%;
    text-align: left;
    min-width: 0;
  }

  .page-planner .legend {
    display: none;
  }

  .page-planner .calendar-controls .btn--ghost {
    display: none;
  }

  .page-planner .calendar-month {
    display: none;
  }

  .page-planner .day-nav {
    display: flex;
    flex-wrap: wrap;
  }

  .page-planner .day-nav-label {
    width: 100%;
    text-align: left;
  }

  .page-planner .planner-bottom-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .page-planner .planner-submit {
    align-items: stretch;
  }

  .page-planner .planner-submit .btn {
    width: 100%;
  }

  .page-planner .planner-submit .hint {
    text-align: left;
  }
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-0-5) var(--space-2);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

.tag--success {
  background-color: var(--nav-correct-bg);
  color: var(--success);
  border: 1px solid var(--nav-correct-border);
}

.tag--warning {
  background-color: var(--nav-incorrect-bg);
  color: var(--danger);
  border: 1px solid var(--nav-incorrect-border);
}

.alert--warning a {
  color: inherit;
  text-decoration: underline;
}

/* Template style extraction (cleanup) */
.u-display-none {
  display: none !important;
}

.u-link-no-underline {
  text-decoration: none;
}

.input-lowercase {
  text-transform: lowercase;
}

.input-uppercase {
  text-transform: uppercase;
}

.btn--block {
  width: 100%;
}

.admin-inline-form {
  display: inline;
}

/* Login page */
.announcement-popup {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.35);
  z-index: 1000;
  cursor: pointer;
  animation: popupSlideIn 0.4s ease-out, popupPulse 2s ease-in-out 0.4s infinite;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.announcement-popup::before {
  content: "*";
}

.announcement-popup::after {
  content: "x";
  margin-left: var(--space-3);
  opacity: 0.7;
  font-size: 1.1rem;
}

.announcement-popup.hide {
  animation: popupSlideOut 0.3s ease-in forwards;
}

@keyframes popupSlideIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes popupSlideOut {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  to {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }
}

@keyframes popupPulse {

  0%,
  100% {
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.35);
  }

  50% {
    box-shadow: 0 8px 40px rgba(124, 58, 237, 0.5);
  }
}

.auth-label-optional {
  color: #6b7280;
  font-weight: 400;
}

.auth-footer--legal {
  margin-top: 1rem;
  color: #6b7280;
  font-size: 0.75rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.4;
}

.auth-footer__legal-link {
  color: inherit;
  text-decoration: underline;
}

.auth-site-footer {
  margin-top: var(--space-6);
  color: #6b7280;
  font-size: 0.85rem;
}

/* Error page */
.error-card {
  text-align: center;
  padding: var(--space-36);
}

.error-card__code {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.error-card__title {
  margin: var(--space-3) 0 var(--space-4);
}

.error-card__message {
  margin-bottom: var(--space-28);
}

.dashboard-verify-alert {
  margin-bottom: 2rem;
}

.dashboard-extension-banner {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  padding: 1.4rem 1.5rem;
  border-radius: 16px;
  border: 1px solid rgba(59, 130, 246, 0.25);
  background: linear-gradient(125deg, rgba(59, 130, 246, 0.14), rgba(99, 102, 241, 0.06));
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.dashboard-extension-banner__dismiss {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(59, 130, 246, 0.45);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: #1e3a8a;
  font-size: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.dashboard-extension-banner__dismiss:hover {
  background: rgba(255, 255, 255, 0.95);
}

.dashboard-extension-banner__dismiss:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

.dashboard-extension-banner__content {
  flex: 1 1 560px;
  padding-right: 2.25rem;
}

.dashboard-extension-banner__content h2 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}

.dashboard-extension-banner__content .muted {
  margin: 0;
  max-width: 70ch;
  line-height: 1.5;
}

.dashboard-extension-banner__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-end;
  gap: 0.6rem;
  min-width: 240px;
}

.dashboard-extension-banner__actions .btn {
  width: 100%;
  justify-content: center;
}

.me-anki-sources {
  margin-top: var(--space-5);
  border-top: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  padding-top: 1rem;
}

.me-anki-sources h3 {
  margin: 0;
  font-size: 1.02rem;
}

.me-anki-source-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.me-anki-source-item {
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md);
  background: var(--surface-alt, #f8fafc);
  padding: 0.85rem 0.9rem;
}

.me-anki-source-item__name {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.me-anki-source-item__meta {
  margin: 0.4rem 0 0;
  color: var(--muted, #6b7280);
  font-size: 0.86rem;
}

.me-anki-source-item__count {
  margin: 0.55rem 0 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text, #0f172a);
}

.me-learning-recommendations {
  margin-top: var(--space-5);
  border-top: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  padding-top: 1rem;
  min-width: 0;
}

.me-learning-recommendations__summary p {
  margin: 0;
}

.me-learning-recommendations__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.me-learning-recommendations__list {
  display: grid;
  gap: 0.8rem;
  margin-top: 0.9rem;
  min-width: 0;
}

.me-learning-recommendations__item {
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md);
  background: var(--surface-alt, #f8fafc);
  padding: 0.9rem 1rem;
  min-width: 0;
  overflow: hidden;
}

.me-learning-recommendations__item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  min-width: 0;
}

.me-learning-recommendations__item-header strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.me-learning-recommendations__item-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.me-learning-recommendations__review-form {
  margin: 0;
}

.me-learning-recommendations__review-btn {
  white-space: nowrap;
}

.me-learning-recommendations__item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.45rem;
}

.me-learning-recommendations__item-footer-link {
  min-width: 0;
  flex: 1 1 16rem;
}

.me-learning-recommendations__item p {
  margin: 0.45rem 0 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.me-learning-recommendations__item a {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.me-learning-recommendations__empty {
  margin-top: 0.5rem;
}

.me-learning-recommendations__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border, rgba(148, 163, 184, 0.35));
}

.me-learning-recommendations__actions form {
  margin: 0;
}

.me-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
}

.me-action-btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
}

.me-action-btn__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Practice page */
.explanation-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.explanation-header__summary {
  flex: 1;
}

.question-validity {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.question-verify-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2-5);
  margin-left: auto;
}

.validity-pill {
  display: inline-flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
}

.validity-pill__text {
  opacity: 0;
  max-width: 0;
  margin-left: 0;
  overflow: hidden;
  transition: opacity 0.15s ease, max-width 0.15s ease, margin-left 0.15s ease;
}

.validity-pill:hover,
.validity-pill:focus-within {
  gap: var(--space-1-5);
}

.validity-pill:hover .validity-pill__text,
.validity-pill:focus-within .validity-pill__text {
  opacity: 1;
  max-width: 10rem;
  margin-left: var(--space-1-5);
}

.figure-images {
  margin-bottom: 1rem;
}

.figure-images__gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.figure-images__gallery:empty {
  display: none;
}

.figure-image-item {
  position: relative;
  display: inline-block;
}

.figure-image-item img {
  max-width: 300px;
  max-height: 250px;
  width: auto;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--border-color, #e5e7eb);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.figure-image-item img:hover {
  transform: scale(1.02);
}

.figure-image-item__delete {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(220, 53, 69, 0.9);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.figure-image-item:hover .figure-image-item__delete {
  opacity: 1;
}

.figure-image-item__delete:hover {
  background: rgba(200, 35, 51, 1);
}

.figure-upload {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.comments-verify {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color, #e5e7eb);
  display: flex;
  justify-content: flex-end;
}

.image-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.image-lightbox.is-open {
  display: flex;
}

.image-lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.image-lightbox__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}

.image-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.question-actions__admin-edit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  min-width: 2.25rem;
  padding: 0.4rem;
  line-height: 1;
}

.question-actions__admin-edit svg {
  width: 0.95rem;
  height: 0.95rem;
  display: block;
}

.anki-section__content--generated {
  margin-top: 0.65rem;
}

/* Review page */
.review-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.review-header__titles {
  flex: 1 1 240px;
  min-width: 220px;
}

.review-session-title {
  margin: 0;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.review-meta-inline {
  margin: 0.5rem 0 0;
}

.review-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-left: auto;
}

.review-summary-grid {
  margin-top: 1rem;
}

.review-stat-value {
  margin: 0;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--text, #0f172a);
  font-variant-numeric: tabular-nums;
}

.review-meta {
  margin-top: 0.35rem;
}

.review-meta .muted {
  margin: 0.25rem 0 0;
}

.review-accuracy {
  margin-top: 1.25rem;
  padding-top: 0.5rem;
}

.review-accuracy__title {
  text-align: left;
  margin-bottom: 0.75rem;
}

.review-accuracy__chart {
  position: relative;
  width: 100%;
  min-height: 220px;
  max-height: 320px;
}

.review-accuracy__chart canvas {
  width: 100%;
  height: 100%;
}

.open120-planner-cta h2 {
  margin-bottom: 0.35rem;
}

.open120-planner-cta .muted {
  margin: 0 0 0.75rem;
}

.accuracy-bar {
  position: relative;
  height: 24px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.18), rgba(239, 68, 68, 0.28));
  overflow: hidden;
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
}

.accuracy-bar__fill {
  position: absolute;
  inset: 0;
  width: 0;
  background: linear-gradient(90deg, rgba(34, 197, 94, 0.95), rgba(34, 197, 94, 0.85));
  transition: width 0.25s ease;
}

.accuracy-bar__label {
  position: relative;
  text-align: right;
  padding: 0 0.75rem;
  font-weight: 700;
  color: var(--text);
  line-height: 24px;
  font-variant-numeric: tabular-nums;
}

.choice-stack,
.anking-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.anking-card__controls {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.anking-card__string {
  position: relative;
  padding: 1.25rem 1.25rem 2.5rem;
  border: 1px dashed var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md, 12px);
  background: var(--surface-alt, #f8fafc);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  line-height: 1.5;
  word-break: break-word;
}

.anking-card__copy {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
}

.anking-card__text {
  margin: 0;
}

.anking-card__text--multiline {
  max-height: 560px;
  overflow: auto;
  padding-right: 0.25rem;
}

.anki-review-table {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.anki-review-question h3 {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text, #0f172a);
}

.anki-review-question+.anki-review-question {
  padding-top: 0.9rem;
  border-top: 1px solid var(--border, #cbd5e1);
}

.insight-summary {
  line-height: 1.6;
  margin: 0.6rem 0 0;
  font-size: 1.05rem;
}

.insight-resource-slot {
  font-weight: 600;
  color: var(--text, #0f172a);
}

.insight-link {
  color: var(--text, #0f172a);
  font-weight: 600;
  text-decoration: underline;
}

.insight-title {
  margin: 1.25rem 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text, #0f172a);
}

.review-col-index {
  width: 72px;
}

.review-insight-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.review-insight-item {
  padding: 0.9rem 1rem;
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: var(--radius-md, 12px);
  background: var(--surface-alt, #f8fafc);
}

.review-recommendation-list {
  list-style: disc;
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.review-recommendation-item {
  line-height: 1.5;
}

.review-recommendation-meta {
  margin: 0.35rem 0 0;
}

.review-breakdown-table thead th,
.review-breakdown-table tbody td,
.admin-user-table th,
.admin-user-table td {
  text-align: left;
}

.review-breakdown-table td:nth-child(3),
.review-breakdown-table td:nth-child(4) {
  text-align: left;
  white-space: normal;
}

.review-breakdown-table tbody tr:nth-child(even),
.review-breakdown-table tbody tr:nth-child(odd) {
  background: transparent;
}

.review-breakdown-table tbody tr:hover {
  background: transparent;
}

/* Settings page */
.subscription-card {
  gap: 1rem;
}

.subscription-header-meta {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
}

.subscription-header-tier {
  font-size: 0.78rem;
  line-height: 1.2;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted, #6b7280);
  white-space: nowrap;
}

.subscription-tier {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.subscription-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.subscription-current {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-left: auto;
  text-align: right;
}

.subscription-current__row {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-4);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.subscription-summary .subscription-tier {
  justify-content: flex-end;
  text-align: right;
}

.subscription-trial-inline {
  margin: 0;
  white-space: nowrap;
  text-align: left;
}

.subscription-tier__price {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted, #6b7280);
}

.subscription-tiers {
  margin-top: 0.5rem;
}

.hyguru-offer {
  display: grid;
  gap: 0.75rem;
}

.hyguru-offer__copy {
  margin: 0;
}

.hyguru-offer__perks {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.35rem;
}

.hyguru-offer__actions {
  display: flex;
  justify-content: flex-start;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.tier-card {
  border: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  border-radius: 12px;
  padding: 0.85rem;
  background: var(--bg-surface, #0b1220);
  position: relative;
}

.tier-card--active {
  border-color: var(--accent, #2563eb);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}

.tier-card--muted {
  opacity: 0.7;
}

.tier-card--promo {
  border: 2px solid var(--accent, #2563eb);
  background: linear-gradient(135deg, var(--bg-surface, #0b1220) 0%, rgba(37, 99, 235, 0.05) 100%);
}

.tier-card__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.tier-card__name {
  font-weight: 700;
}

.tier-card__price {
  color: var(--muted, #6b7280);
  font-weight: 600;
}

.tier-card__body {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.35rem;
}

.tier-card__row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.tier-card__badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--accent, #2563eb);
  color: #fff;
  font-size: 0.75rem;
  padding: var(--space-0-5) var(--space-2);
  border-radius: 999px;
}

.tier-card__badge--promo {
  background: linear-gradient(135deg, #10b981, #059669);
}

.tier-card__actions--top-gap {
  margin-top: 0.75rem;
}

.tier-card__tag {
  font-size: 0.8rem;
}

.tier-card__value--accent {
  color: var(--accent, #2563eb);
}

.tier-card__value--success {
  color: #10b981;
}

.subscription-status {
  margin: 0;
}

.subscription-status--warning {
  color: var(--warning, #f59e0b);
}

.subscription-status--danger {
  color: var(--danger, #ef4444);
}

.subscription-status--accent {
  color: var(--accent, #2563eb);
}

.subscription-tier-label {
  margin: 0 0 var(--space-1);
}

.subscription-reset-note {
  margin: var(--space-1-5) 0 0;
}

.danger-card {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) 1.5fr;
  gap: 1rem;
  align-items: start;
}

.danger-card--merged {
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.danger-card__password {
  border-right: 1px solid var(--border, rgba(148, 163, 184, 0.35));
  padding-right: 2rem;
}

.danger-card__actions {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.danger-card__signout {
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.referral-card {
  background: transparent;
}

.referral-card--embedded {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border, rgba(148, 163, 184, 0.35));
}

.referral-card__intro {
  margin: 0 0 1rem;
}

.referral-code-display {
  background: var(--bg-muted, rgba(148, 163, 184, 0.08));
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

.referral-code-label {
  font-size: 0.8rem;
  color: var(--muted, #6b7280);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.referral-code-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.referral-code {
  font-family: "SF Mono", Monaco, Inconsolata, monospace;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent, #2563eb);
  background: transparent;
  text-transform: uppercase;
}

.referral-copy-btn {
  padding: 0.5rem;
  min-width: auto;
}

.referral-copy-btn:hover {
  background: var(--bg-muted, rgba(148, 163, 184, 0.15));
}

.referral-stats--summary {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted, #6b7280);
}

.tag--settings-tier {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.admin-user-table th,
.admin-user-table td {
  white-space: nowrap;
}

.admin-user-table td {
  padding: 0.55rem 0.75rem;
  vertical-align: middle;
}

.admin-user-table td:nth-child(3),
.admin-user-table td:nth-child(4) {
  text-align: left;
}

.admin-user-table__status,
.admin-user-table__actions {
  width: 1%;
}

.admin-user-table td.dashboard-actions {
  display: table-cell;
}

.admin-user-table__actions {
  white-space: nowrap;
}

.admin-user-table__actions>* {
  display: inline-flex;
  vertical-align: middle;
  margin-right: 0.45rem;
}

.admin-user-table__actions>*:last-child {
  margin-right: 0;
}

.admin-status-icon,
.admin-action-icon {
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
}

.admin-status-icon svg,
.admin-action-icon svg {
  width: 0.95rem;
  height: 0.95rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.admin-status-icon--verified {
  color: #16a34a;
  background: rgba(22, 163, 74, 0.1);
  border-color: rgba(22, 163, 74, 0.3);
}

.admin-status-icon--unverified {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.08);
  border-color: rgba(220, 38, 38, 0.28);
  cursor: pointer;
}

.admin-action-icon {
  cursor: pointer;
}

.admin-action-icon--email {
  color: var(--accent, #2563eb);
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.28);
}

.admin-action-icon--open {
  color: var(--accent, #2563eb);
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.28);
}

.admin-action-icon--remix {
  color: #c2410c;
  background: rgba(249, 115, 22, 0.14);
  border-color: rgba(194, 65, 12, 0.32);
}

.admin-action-icon--delete {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.08);
  border-color: rgba(220, 38, 38, 0.28);
}

.admin-action-icon--flag {
  color: #ca8a04;
  background: rgba(234, 179, 8, 0.12);
  border-color: rgba(202, 138, 4, 0.3);
}

.me-flagged-topic {
  max-width: 22rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-status-icon--unverified:hover,
.admin-action-icon:hover {
  filter: brightness(0.95);
}

.admin-status-icon--unverified:focus-visible,
.admin-action-icon:focus-visible {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 2px;
}

.modal-overlay {
  display: none;
}

.modal-overlay--centered {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal-overlay.is-open {
  display: flex;
}

.modal-card {
  width: 100%;
  max-width: 500px;
  margin: 2rem;
}

.modal-textarea {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  font-family: inherit;
  font-size: inherit;
  resize: vertical;
}

.modal-tip {
  font-size: 0.85rem;
  margin-top: -0.5rem;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

@media (max-width: 768px) {
  .subscription-summary {
    flex-direction: column;
    align-items: flex-start;
  }

  .subscription-current {
    margin-left: 0;
    text-align: left;
  }

  .subscription-current__row {
    justify-content: flex-start;
  }

  .subscription-summary .subscription-tier {
    justify-content: flex-start;
    text-align: left;
  }

  .danger-card,
  .danger-card--merged {
    grid-template-columns: 1fr;
  }

  .danger-card__password {
    border-right: none;
    border-bottom: 1px solid var(--border, rgba(148, 163, 184, 0.35));
    padding-right: 0;
    padding-bottom: 1.5rem;
    margin-bottom: 1rem;
  }

  .referral-code {
    font-size: 1.25rem;
  }
}

/* Legal pages */
.legal-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  position: relative;
}

.legal-sidebar {
  position: relative;
}

.legal-sidebar__inner {
  position: sticky;
  top: 6rem;
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
}

.legal-toc-header {
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.legal-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.legal-sidebar li {
  margin-bottom: 0.5rem;
}

.legal-sidebar a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: block;
  padding: 0.25rem 0;
  transition: color 0.15s ease;
}

.legal-sidebar a:hover {
  color: var(--text);
}

.legal-content {
  min-width: 0;
}

.legal-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.legal-header h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  line-height: 1.1;
  color: var(--text);
}

.last-updated {
  color: var(--text-secondary);
  font-size: 1rem;
}

.legal-content section {
  margin-bottom: 3rem;
  scroll-margin-top: 6rem;
}

.legal-content section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.legal-content p {
  line-height: 1.6;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.legal-content ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.legal-content a {
  color: var(--accent-blue);
}

.legal-content a:hover {
  text-decoration: underline;
}

@media (max-width: 1024px) {
  .legal-container {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
  }

  .legal-sidebar {
    display: none;
  }

  .legal-header h1 {
    font-size: 2.25rem;
  }
}

/* About/Future page helpers */
.section-header--spacious {
  margin-bottom: var(--space-40);
}

.coming-soon-icon {
  vertical-align: middle;
  margin-right: var(--space-1-5);
}

.marketing-checklist {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.marketing-checklist__item {
  display: flex;
  align-items: center;
  gap: var(--space-2-5);
}

.marketing-dual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-7);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.info-note {
  margin-top: var(--space-3);
}

.info-feature-image {
  margin: var(--space-4-5) 0;
}

/* Open 120 Exam Styles */
.open120-screen {
  display: none;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.open120-screen.is-active {
  display: flex;
}

.open120-modal {
  background: var(--color-bg-primary, var(--surface));
  border: 1px solid var(--color-border, var(--border));
  border-radius: 8px;
  max-width: 600px;
  width: 100%;
  padding: 3rem 2rem;
  text-align: center;
}

.open120-modal h1 {
  margin-bottom: 1rem;
  font-size: 2rem;
}

.open120-modal p {
  margin-bottom: 1rem;
  line-height: 1.6;
  color: var(--color-text-secondary, var(--text-secondary));
}

.open120-instructions {
  text-align: left;
  background: var(--color-bg-secondary, var(--surface-alt));
  padding: 1.5rem;
  border-radius: 6px;
  margin: 2rem 0;
}

.open120-instructions h3 {
  margin-bottom: 0.75rem;
}

.open120-instructions li {
  margin-bottom: 0.75rem;
}

.open120-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.open120-break {
  text-align: center;
  padding: 3rem 2rem;
}

.open120-break h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.open120-break-info {
  background: var(--color-bg-secondary, var(--surface-alt));
  padding: 2rem;
  border-radius: 8px;
  margin: 2rem 0;
}

.open120-break-info p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.open120-break-timer {
  font-size: 3rem;
  font-weight: bold;
  color: var(--color-primary, var(--brand-blue));
  margin: 1.5rem 0;
  font-family: monospace;
  letter-spacing: 0.1em;
}

.open120-end {
  padding: 3rem 2rem;
}

.open120-end h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.open120-score {
  background: var(--color-bg-secondary, var(--surface-alt));
  padding: 2rem;
  border-radius: 8px;
  margin: 2rem 0;
  font-size: 1.2rem;
}

.open120-score strong {
  display: block;
  margin-top: 1rem;
  color: var(--color-primary, var(--brand-blue));
  font-size: 2rem;
}

.practice-layout.open120-mode {
  display: none;
}

.practice-layout.open120-mode.is-active {
  display: grid;
}

.block-indicator {
  font-size: 0.9rem;
  color: var(--color-text-secondary, var(--text-secondary));
  margin-bottom: 1rem;
  text-align: center;
}

.card--highlight {
  background: linear-gradient(135deg, var(--accent-blue-baby) 0%, var(--brand) 100%);
  border: 2px solid var(--brand);
}

.open120-section {
  padding: 1rem 0;
}

.open120-header {
  text-align: left;
  margin-bottom: 1rem;
}

.open120-header h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.open120-subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.open120-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.open120-blocks {
  margin-top: 0;
}

.open120-block-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.open120-block-form {
  min-width: 0;
}

.open120-block-btn {
  width: 100%;
}

.open120-card {
  margin-top: 1.5rem;
}

.open120-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.open120-hero__content {
  flex: 1;
  text-align: left;
}

.open120-hero__content h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.open120-hero__subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.open120-hero__description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.open120-hero__actions {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .dashboard-extension-banner {
    display: none;
  }

  .open120-modal {
    padding: 2rem 1.5rem;
  }

  .open120-hero {
    flex-direction: column;
    text-align: center;
  }

  .open120-hero__content {
    text-align: center;
  }

  .open120-modal h1 {
    font-size: 1.5rem;
  }

  .open120-break h2 {
    font-size: 1.5rem;
  }

  .open120-break-timer {
    font-size: 2.5rem;
  }

  .open120-block-row {
    grid-template-columns: 1fr;
  }

  .open120-block-form {
    width: 100%;
  }

  .dashboard-extension-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.15rem 1.1rem;
  }

  .dashboard-extension-banner__dismiss {
    top: 0.55rem;
    right: 0.55rem;
  }

  .dashboard-extension-banner__content h2 {
    font-size: 1.35rem;
    margin-bottom: 0.45rem;
  }

  .dashboard-extension-banner__content .muted {
    font-size: 1rem;
    line-height: 1.45;
  }

  .dashboard-extension-banner__actions {
    width: 100%;
    min-width: 0;
    justify-content: flex-start;
    gap: 0.55rem;
  }

  .dashboard-extension-banner__actions .btn {
    min-height: 44px;
  }

}

@media print {

  .site-header,
  .site-footer,
  .no-print,
  .dashboard-extension-banner,
  .flash-list {
    display: none !important;
  }

  main.container {
    max-width: none;
    width: 100%;
    margin: 0;
    padding: 0;
  }

  .card {
    border: 1px solid #d1d5db;
    box-shadow: none;
    page-break-inside: avoid;
  }

  .chart-container {
    min-height: 220px;
  }
}

/* Tier Tags */
.tag--tier-tier0 {
  background-color: #e5e7eb;
  color: #374151;
  border: 1px solid #9ca3af;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.tag--tier-tier1 {
  background-color: #dbeafe;
  color: #1d4ed8;
  border: 1px solid #60a5fa;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.tag--tier-tier2 {
  background-color: #dcfce7;
  color: #166534;
  border: 1px solid #4ade80;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.tag--tier-tier3 {
  background-color: #ffedd5;
  color: #c2410c;
  border: 1px solid #fb923c;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.tag--tier-admin {
  background-color: #fee2e2;
  color: #b91c1c;
  border: 1px solid #f87171;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

[data-theme="dark"] .tag--tier-tier0 {
  background-color: #1f2937;
  color: #e5e7eb;
  border-color: #6b7280;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tag--tier-tier1 {
  background-color: rgba(37, 99, 235, 0.24);
  color: #bfdbfe;
  border-color: rgba(96, 165, 250, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tag--tier-tier2 {
  background-color: rgba(22, 163, 74, 0.24);
  color: #bbf7d0;
  border-color: rgba(74, 222, 128, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tag--tier-tier3 {
  background-color: rgba(234, 88, 12, 0.24);
  color: #fed7aa;
  border-color: rgba(251, 146, 60, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tag--tier-admin {
  background-color: rgba(220, 38, 38, 0.24);
  color: #fecaca;
  border-color: rgba(248, 113, 113, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Recent practice sessions table */
.session-history-table__col-name {
  width: 26%;
}

.session-history-table__col-created {
  width: 18%;
}

.session-history-table__col-answered {
  width: 9%;
}

.session-history-table__col-correct {
  width: 7%;
}

.session-history-table__col-share {
  width: 22%;
}

.session-history-table__col-actions {
  width: 8%;
}

.session-history-table td:nth-child(2),
.session-history-table td:nth-child(3),
.session-history-table td:nth-child(4) {
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: normal;
}

.session-history-table td.dashboard-share,
.session-history-table .dashboard-share {
  min-width: 0;
}

.session-history-table .share-field--compact {
  display: inline-flex;
  width: auto;
  max-width: min(100%, 18rem);
  min-width: 0;
  vertical-align: middle;
}

.session-history-table .share-field__value,
.session-history-table .session-table__text {
  max-width: 100%;
}

@media (max-width: 900px) {
  .session-history-table .share-field--compact {
    max-width: min(100%, 14rem);
  }
}

.feasibility-chip {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid transparent;
}