:root,
:root[data-theme="dark"] {
  --app-header-height: 72px;
  color-scheme: dark;
  --bg: #1d1d1b;
  --text: #f8f2de;
  --muted: #ecdcbf;
  --accent: #a31d1d;
  --accent-strong: #f8f2de;
  --panel: #262623;
  --line: #3c3b35;
  --ok: #4ca368;
  --error: #d55757;
  --warning: #e2b648;
  --idle: #8a7f63;
  --surface-shell: rgba(29, 29, 27, 0.98);
  --surface-card: rgba(34, 33, 30, 0.96);
  --surface-card-strong: rgba(38, 38, 35, 0.98);
  --surface-card-soft: rgba(20, 20, 18, 0.7);
  --surface-card-subtle: rgba(20, 20, 18, 0.58);
  --surface-muted: rgba(14, 14, 12, 0.35);
  --surface-overlay: rgba(10, 10, 10, 0.72);
  --surface-input: #141412;
  --surface-chip: rgba(0, 0, 0, 0.18);
  --surface-image: rgba(0, 0, 0, 0.32);
  --border-soft: rgba(60, 59, 53, 0.45);
  --ok-bg: rgba(76, 163, 104, 0.2);
  --ok-text: #b9f5c6;
  --error-bg: rgba(213, 87, 87, 0.22);
  --error-text: #ffd0d0;
  --warning-bg: rgba(226, 182, 72, 0.22);
  --warning-text: #ffe2a3;
  --idle-bg: rgba(138, 127, 99, 0.2);
  --shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
  --button-text: #f8f2de;
  --secondary-button-text: #f8f2de;
  --body-background:
    radial-gradient(circle at 10% -10%, rgba(163, 29, 29, 0.18), transparent 35%),
    radial-gradient(circle at 100% 0%, rgba(236, 220, 191, 0.1), transparent 28%),
    var(--bg);
  --topic-group-background: rgba(20, 20, 18, 0.38);
  --auth-card-background:
    linear-gradient(180deg, rgba(163, 29, 29, 0.08), transparent 28%),
    var(--surface-card);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f1e8;
  --text: #1f1b17;
  --muted: #5d5348;
  --accent: #9d3d2a;
  --accent-strong: #7f2f1f;
  --panel: #fffaf2;
  --line: #d9ccb7;
  --ok: #6f946b;
  --error: #a62626;
  --warning: #8a6514;
  --idle: #877a6a;
  --surface-shell: #f5f1e8;
  --surface-card: #fffaf2;
  --surface-card-strong: #fffaf2;
  --surface-card-soft: #f0e8db;
  --surface-card-subtle: #f6efe5;
  --surface-muted: #efe4d4;
  --surface-overlay: rgba(31, 27, 23, 0.42);
  --surface-input: #f0e8db;
  --surface-chip: #efe4d4;
  --surface-image: #f0e8db;
  --border-soft: rgba(217, 204, 183, 0.78);
  --ok-bg: #dcead9;
  --ok-text: #315a35;
  --error-bg: #f6d8d8;
  --error-text: #7c2424;
  --warning-bg: #f4e6bb;
  --warning-text: #6f5410;
  --idle-bg: #eee6db;
  --shadow: 0 12px 24px rgba(91, 70, 45, 0.12);
  --button-text: #fffaf2;
  --secondary-button-text: #1f1b17;
  --body-background: var(--bg);
  --topic-group-background: rgba(240, 232, 219, 0.85);
  --auth-card-background:
    linear-gradient(180deg, rgba(157, 61, 42, 0.08), transparent 28%),
    var(--surface-card);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Trebuchet MS", "Gill Sans", sans-serif;
  line-height: 1.45;
  background: var(--body-background);
  color: var(--text);
}

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

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.app-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface-shell);
  position: sticky;
  top: 0;
  z-index: 5;
  padding-top: env(safe-area-inset-top);
}

.nav-wrap {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-header {
  display: grid;
  height: 34px;
  aspect-ratio: 1024 / 196;
  align-items: center;
}

.theme-brand-asset {
  grid-area: 1 / 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.theme-brand-asset-light {
  display: none;
}

:root[data-theme="light"] .theme-brand-asset-light {
  display: block;
}

:root[data-theme="light"] .theme-brand-asset-dark {
  display: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  min-height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-card);
  color: var(--text);
}

.nav-toggle-icon {
  display: grid;
  gap: 4px;
  width: 22px;
}

.nav-toggle-icon span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.nav-panel {
  display: flex;
  flex: 1;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.inline-form {
  margin: 0;
  display: inline-flex;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  min-height: 44px;
  font-size: 0.92rem;
  background: var(--surface-card);
  transition: border-color 120ms ease, transform 120ms ease;
}

.user-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  min-height: 44px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 0.9rem;
}

.password-toggle-shell {
  position: relative;
}

.password-toggle-shell input[type="password"],
.password-toggle-shell input[type="text"] {
  padding-right: 3rem;
}

.password-toggle-button {
  position: absolute;
  top: 50%;
  right: 0.55rem;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  min-height: 2.1rem;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: transparent;
  color: var(--muted);
  box-shadow: none;
}

.password-toggle-button:hover {
  border-color: var(--muted);
  background: var(--surface-muted);
}

.password-toggle-button:focus-visible {
  outline: 2px solid var(--muted);
  outline-offset: 2px;
}

.password-toggle-button svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

.password-toggle-button.is-visible {
  color: var(--text);
}

.main-nav a:hover {
  border-color: var(--muted);
  transform: translateY(-1px);
}

.mobile-app-banner {
  display: none;
  position: relative;
  gap: 0.7rem;
  margin: 0 0 1rem;
  padding: 0.85rem 3.2rem 0.85rem 0.9rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  background: var(--surface-card-soft);
  box-shadow: var(--shadow);
}

.mobile-app-banner[hidden] {
  display: none !important;
}

.mobile-app-banner-copy {
  display: grid;
  gap: 0.2rem;
}

.mobile-app-banner-copy span {
  color: var(--muted);
  font-size: 0.88rem;
}

.mobile-app-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.mobile-app-banner-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-card);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.mobile-app-banner-dismiss {
  position: absolute;
  top: 0.35rem;
  right: 0.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.45rem;
  line-height: 1;
}

.mobile-app-banner-dismiss:hover {
  background: var(--surface-muted);
  color: var(--text);
  transform: none;
}

.page {
  padding: 1.35rem 0 2.2rem;
}

.breadcrumb {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

h1 {
  margin: 0 0 0.7rem;
  font-size: 1.9rem;
}

h2,
h3 {
  margin: 1.2rem 0 0.7rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-card);
  padding: 1rem;
  box-shadow: var(--shadow);
  overflow-x: auto;
}

.card p {
  margin: 0.45rem 0;
}

.page > section.card + section.card,
.page > section.module-hub + section.card,
.page > section.card + section.module-hub,
.page > section.module-hub + section.module-hub {
  margin-top: 1rem;
}

.dashboard-stack {
  display: grid;
  gap: 1rem;
}

.home-hero {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(220px, 340px) 1fr;
  align-items: center;
}

.home-hero-brand {
  display: grid;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1;
  justify-self: center;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.billing-plan-option {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-card-soft);
  padding: 0.9rem;
  margin: 0.8rem 0;
}

.billing-plan-option label {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin: 0;
}

.billing-plan-option input[type="radio"] {
  width: auto;
  margin-top: 0.25rem;
}

.billing-plan-option strong {
  display: block;
}

.billing-plan-option ul {
  margin: 0.65rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.feedback-question-preview summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-weight: 600;
}

.feedback-question-preview-text {
  min-width: 0;
}

.feedback-question-preview-hint {
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.feedback-question-preview-body {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.feedback-question-options {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
}

.feedback-question-options li + li {
  margin-top: 0.3rem;
}

.btn,
button {
  background: var(--accent);
  color: var(--button-text);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.55rem 0.95rem;
  min-height: 44px;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.btn:hover,
button:hover {
  transform: translateY(-1px);
}

.btn:disabled,
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn.secondary,
button.secondary {
  background: var(--surface-muted);
  border-color: var(--line);
  color: var(--secondary-button-text);
}

.btn.danger,
button.danger {
  background: var(--error-bg);
  border-color: var(--error);
  color: var(--error-text);
}

.btn.link {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.active-attempt-float {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 20;
  display: grid;
  gap: 0.2rem;
  width: min(19rem, calc(100vw - 2rem));
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 10px;
  background: var(--surface-card-strong);
  box-shadow: var(--shadow);
}

.active-attempt-float-label,
.active-attempt-float-meta {
  color: var(--muted);
  font-size: 0.78rem;
}

.active-attempt-float-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
}

.active-attempt-float-action:hover {
  color: var(--text);
}

.active-attempt-float-form {
  display: block;
  margin: 0.15rem 0 0;
}

.active-attempt-float-dismiss {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  text-decoration: underline;
  text-underline-offset: 0.15rem;
}

.active-attempt-float-dismiss:hover {
  background: transparent;
  color: var(--text);
  transform: none;
}

.has-active-attempt-float .page {
  padding-bottom: 6.5rem;
}

form {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

label {
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.55rem 0.6rem;
  background: var(--surface-input);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.input-validation-error {
  border-color: var(--error);
}

.field-validation-error,
.validation-summary-errors {
  color: var(--error-text);
}

.field-validation-error {
  display: block;
  font-size: 0.9rem;
}

.field-validation-valid {
  display: none;
}

.validation-summary-errors {
  border: 1px solid var(--error);
  border-radius: 8px;
  background: var(--error-bg);
  padding: 0.7rem 0.85rem;
  margin: 0 0 1rem;
}

.validation-summary-errors ul {
  margin: 0.35rem 0 0;
  padding-left: 1.2rem;
}

.form-hint {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.account-preference-block {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.65rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.account-preference-block h3 {
  margin: 0;
  font-size: 1.05rem;
}

.ranking-participation-note {
  margin: 1rem 0;
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--accent);
  background: var(--surface-card-soft);
}

.ranking-participation-note p {
  margin: 0;
}

.ranking-participation-note p + p {
  margin-top: 0.2rem;
}

.ranking-participation-note .btn {
  margin-top: 0.55rem;
}

.ranking-alias-field {
  display: grid;
  gap: 0.35rem;
  padding-left: 1.55rem;
}

.table-caption {
  caption-side: top;
  text-align: left;
  margin-bottom: 0.45rem;
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.checkbox-row input[type="checkbox"] {
  flex: 0 0 auto;
  margin-top: 0.25rem;
}

.checkbox-row label {
  font-weight: 400;
}

.legal-document {
  max-width: 900px;
}

.legal-document h2 {
  margin-top: 2rem;
  color: var(--text);
}

.legal-document h3 {
  margin-top: 1.35rem;
  color: var(--text);
}

.legal-document li + li {
  margin-top: 0.55rem;
}

.topic-checkbox-list {
  display: grid;
  gap: 0.45rem;
}

.topic-group-list {
  display: grid;
  gap: 0.65rem;
}

.topic-group-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--topic-group-background);
  padding: 0.55rem;
}

.topic-group-card summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
}

.topic-group-card .topic-checkbox-list {
  margin-top: 0.6rem;
}

.topic-select-all {
  padding: 0.35rem 0.65rem;
  min-height: 36px;
  font-size: 0.82rem;
}

.topic-checkbox-item {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 500;
}

.topic-checkbox-input {
  margin: 0;
}

input:focus,
select:focus,
textarea:focus,
button:focus,
a:focus,
summary:focus {
  outline: 2px solid var(--muted);
  outline-offset: 2px;
}

textarea {
  min-height: 96px;
}

.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;
}

.media-context-block {
  margin-top: 0.8rem;
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
}

.media-zone-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.media-zone-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem;
  background: var(--surface-card-subtle);
}

.media-zone-card h4 {
  margin: 0 0 0.45rem;
}

.media-zone-card.disabled {
  opacity: 0.6;
}

.media-zone-note {
  margin: 0.15rem 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.material-file-drop {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 0.75rem;
  background: var(--surface-card-subtle);
}

.material-file-drop.is-drag-over {
  border-color: var(--muted);
  background: var(--surface-muted);
}

.materials-list {
  display: grid;
  gap: 0.8rem;
}

.material-row {
  display: grid;
  gap: 0.75rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-card-soft);
}

.material-row-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: start;
}

.material-row h3,
.material-row p {
  margin: 0;
}

.material-row h3 {
  font-size: 1rem;
}

.material-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0;
}

.material-meta div {
  min-width: 0;
}

.material-meta dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.material-meta dd {
  margin: 0.1rem 0 0;
  overflow-wrap: anywhere;
}

.inline-option {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.inline-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.result-tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--surface-chip);
}

.result-tag.is-on {
  border-color: var(--ok);
  color: var(--ok-text);
  background: var(--ok-bg);
}

.pager {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  margin-top: 0.9rem;
}

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

.btn.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.media-thumb {
  display: block;
  max-width: 100%;
  width: min(220px, 100%);
  max-height: 140px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-input);
  margin-top: 0.35rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.7rem;
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  padding: 0.55rem;
}

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

.alert {
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
  margin: 0.7rem 0 1rem;
  border: 1px solid;
}

.alert.error {
  border-color: var(--error);
  background: var(--error-bg);
}

.alert.ok,
.alert.success {
  border-color: var(--ok);
  background: var(--ok-bg);
}

.subtle {
  color: var(--muted);
  font-size: 0.92rem;
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 0.8rem;
  color: var(--muted);
}

details {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 0.6rem;
  margin-top: 0.6rem;
}

summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 600;
}

.attempt-sticky {
  position: sticky;
  top: 72px;
  z-index: 4;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-card-strong);
  padding: 0.8rem;
  margin-bottom: 1rem;
}

.attempt-sticky .question-navigation-details {
  margin: 0;
  padding: 0;
  border: 0;
}

.attempt-control-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
  color: var(--text);
}

.attempt-control-summary::-webkit-details-marker {
  display: none;
}

.attempt-control-summary:focus-visible {
  outline: 2px solid var(--muted);
  outline-offset: 4px;
  border-radius: 6px;
}

.attempt-control-chevron {
  flex: 0 0 auto;
  width: 0.65rem;
  height: 0.65rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 140ms ease;
}

.attempt-control-details[open] .attempt-control-chevron {
  transform: rotate(225deg) translate(-1px, -1px);
}

.attempt-sticky-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.attempt-summary-item {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  white-space: nowrap;
}

.attempt-summary-label {
  color: var(--muted);
  font-size: 0.86rem;
}

.attempt-summary-item strong {
  font-variant-numeric: tabular-nums;
}

.attempt-summary-time strong {
  color: var(--text);
}

.attempt-mobile-marked-controls {
  display: none;
}

.question-navigation-expanded {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border-soft);
}

.attempt-navigation-help {
  margin: 0 0 0.65rem;
}

.question-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.question-nav-wrap {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 0.55rem;
  max-height: 168px;
  overflow: auto;
  background: var(--surface-muted);
}

.question-nav-item {
  min-width: 44px;
  min-height: 44px;
  padding: 0.38rem 0.58rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.question-nav-item.is-current,
.mobile-question-window-item.is-current {
  border-color: var(--text);
  box-shadow: inset 0 0 0 2px var(--text);
}

.mobile-question-navigator {
  display: none;
}

.mobile-question-time {
  display: none;
}

.question-navigation-card {
  position: relative;
}

.attempt-sticky.question-navigation-card {
  position: sticky;
  top: var(--app-header-height, 72px);
}

.question-nav-item.is-answered {
  border-color: var(--ok);
  background: var(--ok-bg);
}

.question-nav-item.is-blank {
  border-color: var(--idle);
  background: var(--idle-bg);
}

.question-nav-item.is-blank-review {
  border-color: var(--line);
  background: transparent;
}

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

.question-nav-item.is-wrong {
  border-color: var(--error);
  background: var(--error-bg);
}

.question-nav-item.is-flagged {
  border-color: var(--warning);
  background: var(--warning-bg);
}

.question-nav-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.65rem;
}

.attempt-marked-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.attempt-marked-label {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.result-tag.is-flagged {
  border-color: var(--warning);
  color: var(--warning-text);
  background: var(--warning-bg);
}

.result-tag.is-wrong {
  border-color: var(--error);
  color: var(--error-text);
  background: var(--error-bg);
}

.attempt-question + .attempt-question {
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px dashed var(--line);
}

.question-statement {
  scroll-margin-top: 170px;
}

.question-topic {
  max-width: min(100%, 42rem);
  margin: -0.25rem 0 0.55rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.question-topic-label {
  color: var(--text);
  font-weight: 700;
}

.protected-question-content {
  position: relative;
  isolation: isolate;
  -webkit-user-select: none;
  user-select: none;
}

.protected-question-content::after {
  content: attr(data-protection-watermark);
  position: absolute;
  right: 0.75rem;
  bottom: 0.6rem;
  z-index: 0;
  max-width: calc(100% - 1.5rem);
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.2;
  opacity: 0.22;
  pointer-events: none;
  text-align: right;
  overflow-wrap: anywhere;
}

.protected-question-content > * {
  position: relative;
  z-index: 1;
}

.protected-question-content input,
.protected-question-content textarea,
.protected-question-content select,
.protected-question-content button,
.protected-question-content a {
  -webkit-user-select: auto;
  user-select: auto;
}

.attempt-options {
  display: grid;
  gap: 0.4rem;
}

.attempt-options-group {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.attempt-option {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.attempt-option > span {
  display: grid;
  gap: 0.3rem;
}

.attempt-option input[type="radio"] {
  width: auto;
  margin: 0;
}

.attempt-flag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.7rem;
}

.attempt-message {
  min-height: 1.3rem;
}

.attempt-message.is-error {
  color: var(--error-text);
}

.attempt-flag input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.review-options {
  display: grid;
  gap: 0.45rem;
  margin: 0.5rem 0 0.7rem;
}

.review-option {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  background: var(--surface-card-soft);
}

.review-option-content {
  display: grid;
  gap: 0.3rem;
}

.review-option-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.review-option.is-correct {
  border-color: var(--ok);
  background: var(--ok-bg);
  color: var(--ok-text);
}

.review-option.is-wrong-selected {
  border-color: var(--error);
  background: var(--error-bg);
  color: var(--error-text);
}

.review-option-icon {
  font-size: 1.05rem;
}

.review-blank-note {
  color: var(--warning);
  font-weight: 700;
}

.question-media-stack {
  display: grid;
  gap: 0.35rem;
}

.statement-media-stack {
  margin: 0.35rem 0 0.55rem;
}

.option-media-stack {
  margin-top: 0.1rem;
}

.explanation-media-stack {
  margin: 0.35rem 0 0.55rem;
}

.question-context-image {
  display: block;
  width: min(100%, 360px);
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-image);
}

.option-context-image {
  width: min(100%, 300px);
  max-height: 180px;
}

.timeout-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
}

.timeout-modal[hidden] {
  display: none !important;
}

.timeout-modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--surface-overlay);
}

.timeout-modal-panel {
  position: relative;
  width: min(540px, 92vw);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-card-strong);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
}

.subsection-card {
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: var(--surface-muted);
  padding: 0.9rem;
}

.module-hub {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.module-card {
  display: grid;
  gap: 0.75rem;
  align-content: start;
  background: var(--surface-card);
  border-top: 3px solid var(--accent);
}

.module-card h2 {
  margin: 0;
}

.module-card p {
  margin: 0;
}

.module-card .metric-value {
  color: var(--text);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
}

.module-card .actions {
  margin-top: auto;
}

/* Admin modules */
.admin-navigation-card--webhooks {
  border-top-color: var(--muted);
}

.admin-module {
  gap: 1.35rem;
  border-top-width: 4px;
  padding: clamp(1rem, 2vw, 1.45rem);
}

.admin-module--webhooks {
  border-top-color: var(--muted);
}

.admin-module-header,
.admin-subsection-header,
.admin-stat-group-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.admin-module-header {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-soft);
}

.admin-module .admin-module-kicker,
.admin-detail-header .admin-module-kicker {
  margin: 0 0 0.35rem;
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.admin-module h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  letter-spacing: -0.02em;
}

.admin-module-description {
  max-width: 44rem;
  margin: 0.35rem 0 0 !important;
  color: var(--muted);
  font-size: 0.9rem;
}

.admin-module-index {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.admin-stat-group {
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: var(--surface-card-soft);
}

.admin-stat-group-header {
  align-items: baseline;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-soft);
}

.admin-stat-group-header h2,
.admin-stat-group-header h3,
.admin-subsection-header h2,
.admin-subsection-header h3 {
  margin: 0;
  font-size: 1rem;
}

.admin-stat-group-header span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.admin-stat-list,
.admin-webhook-summary {
  margin: 0;
}

.admin-stat-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(2.5rem, auto);
  gap: 0.8rem;
  align-items: baseline;
  padding: 0.52rem 0;
  border-bottom: 1px solid var(--border-soft);
}

.admin-stat-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.admin-stat-row dt,
.admin-webhook-summary-item dt {
  min-width: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.admin-stat-row dd,
.admin-webhook-summary-item dd {
  margin: 0;
  color: var(--text);
  font-size: 0.98rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  line-height: 1.25;
  text-align: right;
}

.admin-stat-row--primary {
  padding: 0.7rem 0;
}

.admin-stat-row--primary dt {
  color: var(--text);
  font-weight: 650;
}

.admin-stat-row--primary dd {
  color: var(--accent-strong);
  font-size: 1.22rem;
}

.admin-webhook-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.admin-webhook-summary-item {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
  padding: 0.8rem;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  background: var(--surface-card-soft);
}

.admin-webhook-summary-item dd {
  font-size: 1.12rem;
  text-align: left;
}

.admin-webhook-summary-item--primary {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: color-mix(in srgb, var(--accent) 10%, var(--surface-card-soft));
}

.admin-webhook-summary-item--primary dd {
  color: var(--accent-strong);
  font-size: 1.45rem;
}

.admin-webhook-log {
  padding-top: 0.2rem;
  border-top: 1px solid var(--border-soft);
}

.admin-subsection-header {
  align-items: end;
}

.admin-subsection-header .admin-module-kicker {
  margin-top: 0.4rem;
}

.admin-webhook-log .empty {
  margin-bottom: 0;
}

.admin-webhook-log .table-wrap {
  margin-top: 0.35rem;
}

.admin-detail-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.admin-detail-header h1 {
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

.admin-detail-header .subtle {
  max-width: 44rem;
  margin: 0;
}

.admin-user-search {
  max-width: 48rem;
  margin: 0.85rem 0 1.2rem;
}

.admin-user-search .inline-filter-row {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) auto auto;
  gap: 0.6rem;
  align-items: end;
}

.admin-student-profile {
  gap: 1.5rem;
  overflow: visible;
}

.admin-student-profile-form {
  gap: 1rem;
  margin: 0;
}

.admin-student-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.admin-student-form-field {
  display: grid;
  gap: 0.4rem;
  min-width: 0;
}

.admin-student-readonly {
  display: grid;
  gap: 0.9rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-soft);
}

.admin-student-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0 1.25rem;
  margin: 0;
}

.admin-student-facts > div {
  min-width: 0;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border-soft);
}

.admin-student-facts dt {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.admin-student-facts dd {
  margin: 0.2rem 0 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.auth-shell {
  display: grid;
  place-items: start;
}

.auth-card {
  width: min(100%, 38rem);
  background: var(--auth-card-background);
}

.auth-card-compact {
  padding: 1.2rem;
}

.auth-kicker {
  margin: 0 0 0.45rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 700;
}

.auth-form {
  margin-top: 1rem;
}

.auth-actions {
  align-items: center;
}

.auth-note {
  margin-top: 0.8rem;
}

.auth-inline-link {
  margin: 0.15rem 0 0.1rem;
  font-size: 0.9rem;
}

.auth-inline-link a {
  text-decoration: underline;
  text-underline-offset: 0.16rem;
}

.status-inline {
  font-weight: 700;
}

.status-inline.warning {
  color: var(--warning);
}

.status-inline.ok {
  color: var(--ok-text);
}

@media (max-width: 980px) {
  body.mobile-nav-open {
    overflow: hidden;
  }

  .app-header {
    z-index: 10;
  }

  .nav-wrap {
    gap: 0.55rem;
    padding: 0.55rem 0;
  }

  .brand {
    width: auto;
  }

  .brand-header {
    height: 30px;
  }

  .js .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .nav-panel {
    flex-basis: 100%;
    width: 100%;
    display: grid;
    gap: 0.65rem;
    padding: 0.65rem 0 0;
  }

  .js .nav-panel {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100dvh - var(--app-header-height));
    padding: 0.75rem;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-top: 0;
    border-radius: 0 0 12px 12px;
    background: var(--surface-shell);
    box-shadow: var(--shadow);
  }

  .js .nav-panel.is-open {
    display: grid;
  }

  .main-nav {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .main-nav a,
  .main-nav .inline-form,
  .main-nav .inline-form button {
    width: 100%;
  }

  .account-nav {
    padding-top: 0.65rem;
    border-top: 1px solid var(--border-soft);
  }

  .home-hero {
    grid-template-columns: 1fr;
  }

  .admin-stats-grid,
  .admin-webhook-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .container {
    width: min(1120px, calc(100% - 1.5rem));
  }

  .mobile-app-banner {
    display: grid;
  }

  .page {
    padding-top: 1rem;
    padding-bottom: calc(2.2rem + env(safe-area-inset-bottom));
  }

  .grid.two,
  .media-zone-grid,
  .module-hub {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-stats-grid,
  .admin-webhook-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-detail-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .admin-user-search .inline-filter-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-user-search .inline-filter-row > * {
    width: 100%;
  }

  .actions {
    align-items: stretch;
  }

  .actions > .btn,
  .actions > button,
  .actions > .inline-form {
    flex: 1 1 100%;
    width: 100%;
  }

  .actions > .inline-form button {
    width: 100%;
  }

  .inline-filter-row > * {
    flex: 1 1 100%;
    min-width: 0;
  }

  .pager {
    justify-content: center;
    flex-wrap: wrap;
  }

  input,
  select,
  textarea {
    min-height: 44px;
    font-size: 16px;
  }

  .topic-select-all {
    min-height: 44px;
  }

  .attempt-option {
    min-height: 48px;
    padding: 0.5rem;
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    background: var(--surface-card-soft);
  }

  .attempt-flag {
    min-height: 44px;
  }

  .timeout-modal-panel {
    max-height: calc(100dvh - 2rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
    overflow-y: auto;
  }

  .active-attempt-float {
    right: max(0.75rem, env(safe-area-inset-right));
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    left: max(0.75rem, env(safe-area-inset-left));
    width: auto;
  }

  .active-attempt-float-dismiss {
    min-height: 44px;
    padding: 0.45rem 0;
    text-align: left;
  }

  .responsive-table {
    border: 0;
    margin-top: 0.9rem;
  }

  .responsive-table thead {
    display: none;
  }

  .responsive-table,
  .responsive-table tbody,
  .responsive-table tr,
  .responsive-table td {
    display: block;
    width: 100%;
  }

  .responsive-table tbody {
    display: grid;
    gap: 0.85rem;
  }

  .responsive-table tr {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.8rem;
    background: var(--surface-card-soft);
  }

  .responsive-table td {
    display: grid;
    grid-template-columns: minmax(8.5rem, 42%) minmax(0, 1fr);
    gap: 0.7rem;
    align-items: start;
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--border-soft);
    overflow-wrap: anywhere;
  }

  .responsive-table td:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .responsive-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.01em;
  }

  .responsive-table td > .actions {
    margin-top: 0;
  }

  .material-row-main,
  .material-meta {
    grid-template-columns: 1fr;
  }

  .material-row form button {
    width: 100%;
  }

  .responsive-table .inline-form {
    display: grid;
    gap: 0.55rem;
  }

  .responsive-table .inline-form select,
  .responsive-table .inline-form button,
  .responsive-table .inline-form .btn,
  .responsive-table td form button,
  .responsive-table td .btn {
    width: 100%;
  }

  .attempt-sticky {
    position: static;
    top: auto;
    padding: 0.9rem;
  }

  .attempt-sticky-row {
    display: grid;
    gap: 0.55rem;
  }

  .attempt-sticky .actions > * {
    flex: 1 1 100%;
  }

  .js .attempt-control-summary,
  .js .attempt-mobile-marked-controls {
    display: none;
  }

  .js .question-navigation-card {
    position: sticky;
    top: calc(var(--app-header-height) + 0.45rem);
    z-index: 8;
    padding: 0.5rem;
    overflow: visible;
  }

  .attempt-sticky .attempt-control-details {
    margin: 0;
  }

  .attempt-mobile-marked-controls {
    display: grid;
    gap: 0.55rem;
    margin-top: 0.7rem;
  }

  .attempt-mobile-marked-controls > * {
    width: 100%;
  }

  .js .mobile-question-navigator {
    position: relative;
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) 44px 44px;
    gap: 0.3rem;
    align-items: center;
    min-height: 58px;
    padding-top: 0.85rem;
  }

  .js .mobile-question-time {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding-top: 0.35rem;
    border-top: 1px solid var(--border-soft);
    color: var(--muted);
    font-size: 0.84rem;
  }

  .mobile-question-time strong {
    margin-left: 0.35rem;
    color: var(--text);
    font-variant-numeric: tabular-nums;
  }

  .mobile-question-position {
    position: absolute;
    top: 0;
    left: 50%;
    color: var(--muted);
    font-size: 0.72rem;
    line-height: 1;
    transform: translateX(-50%);
    white-space: nowrap;
  }

  .mobile-question-window {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    justify-content: center;
    min-width: 0;
  }

  .mobile-question-step,
  .mobile-question-expand,
  .mobile-question-window-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-card-soft);
    color: var(--text);
  }

  .mobile-question-step {
    font-size: 1.55rem;
  }

  .mobile-question-expand {
    font-size: 1.25rem;
  }

  .mobile-question-window-item {
    font-size: 0.85rem;
  }

  .mobile-question-window-item.is-answered {
    border-color: var(--ok);
    background: var(--ok-bg);
  }

  .mobile-question-window-item.is-blank {
    border-color: var(--idle);
    background: var(--idle-bg);
  }

  .mobile-question-window-item.is-flagged {
    border-color: var(--warning);
    background: var(--warning-bg);
  }

  .js .question-navigation-expanded {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    left: 0;
    display: none;
    max-height: min(45dvh, 22rem);
    padding: 0.75rem;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface-card-strong);
    box-shadow: var(--shadow);
  }

  .js .question-navigation-card.is-expanded .question-navigation-expanded {
    display: block;
  }

  .question-navigation-details {
    margin: 0;
    padding: 0;
    border: 0;
  }

  .question-navigation-details summary {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .question-navigation-expanded .question-nav-wrap {
    max-height: none;
    overflow: visible;
  }

  .question-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(44px, 1fr));
    gap: 0.55rem;
  }

  .question-nav-wrap {
    max-height: 200px;
  }

  .question-nav-item {
    width: 100%;
  }

  .question-statement {
    scroll-margin-top: calc(var(--app-header-height) + 5.5rem);
  }
}

@media (max-width: 420px) {
  .mobile-question-window-item.is-outer {
    display: none;
  }
}

.recording-upload-card {
  max-width: 52rem;
}

.recording-management-actions {
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}

.recording-upload-engine {
  display: none;
}

.recording-course-selector {
  margin: 1.25rem 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.recording-course-grid,
.recording-date-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
}

.recording-upload-status {
  margin-top: 1rem;
  font-weight: 700;
}

.recording-upload-card progress {
  width: 100%;
  height: 0.75rem;
  margin-top: 0.75rem;
}

.recording-list {
  display: grid;
  gap: 1rem;
}

.recording-filter {
  display: grid;
  gap: 0.35rem;
  max-width: 36rem;
  margin: 0.85rem 0 1.25rem;
}

.recording-filter .form-hint,
.recording-filter-summary {
  margin: 0;
}

.recording-filter-summary {
  min-height: 1.25rem;
}

.recording-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.recording-list-item:last-child {
  border-bottom: 0;
}

.recording-list-item[hidden] {
  display: none;
}

.recording-list-item h2 {
  margin: 0 0 0.35rem;
}

.recording-player-card {
  max-width: 68rem;
}

.recording-player {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  --airplay-button: none;
  --cast-button: none;
}

.recording-player[hidden] {
  display: none;
}

.recording-player-status {
  padding: 1rem;
  text-align: center;
}

.recording-player-status.is-error {
  color: var(--error-text);
}

.live-chat {
  margin-top: 0.85rem;
}

.live-floor-student {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.live-floor-status {
  margin: 0;
  font-weight: 600;
}

.live-floor-student-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: auto;
}

.live-microphone-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--ok);
  font-size: 0.9rem;
  font-weight: 700;
}

.live-microphone-indicator[hidden] {
  display: none;
}

.live-floor-student-actions .btn[hidden],
.live-floor-audio-status .btn[hidden] {
  display: none !important;
}

.live-microphone-indicator > span {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  background: currentColor;
}

.live-floor-management {
  max-width: 68rem;
  margin-bottom: 0.85rem;
}

.live-floor-management-heading,
.live-floor-active-row,
.live-floor-queue-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.live-floor-management-heading h2,
.live-floor-management-heading p,
.live-floor-feedback,
.live-floor-empty {
  margin: 0;
}

.live-floor-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text);
  font-weight: 700;
}

.live-floor-feedback {
  min-height: 1.35rem;
  margin-top: 0.55rem;
  color: var(--muted);
}

.live-floor-active {
  margin-top: 0.8rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-card-soft);
}

.live-floor-active-row {
  margin-top: 0.35rem;
}

.live-floor-audio-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.65rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.live-floor-audio-elements {
  display: none;
}

.live-floor-queue {
  display: grid;
  gap: 0;
  margin: 0.65rem 0 0;
  padding: 0;
  list-style: none;
}

.live-floor-queue-item {
  min-height: 3.4rem;
  padding: 0.5rem 0;
  border-top: 1px solid var(--line);
}

.live-floor-queue-item span {
  overflow-wrap: anywhere;
}

.live-chat-launcher {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.7rem;
}

.live-chat-availability {
  max-width: 30rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
}

.live-chat-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.live-chat-unread {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.55rem;
  height: 1.55rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--button-text);
  font-size: 0.78rem;
  font-weight: 700;
}

.live-chat-unread[hidden],
.live-chat-backdrop[hidden],
.live-chat-panel[hidden] {
  display: none;
}

.live-chat-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--surface-overlay);
}

.live-chat-panel {
  position: fixed;
  z-index: 41;
  top: max(1rem, env(safe-area-inset-top));
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: min(25rem, calc(100vw - 2rem));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-card-strong);
  box-shadow: var(--shadow);
}

.live-chat-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
}

.live-chat-header h2 {
  margin: 0;
  font-size: 1.15rem;
}

.live-chat-header p {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
}

.live-chat-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--text);
  font-size: 1.45rem;
  line-height: 1;
}

.live-chat-messages {
  min-height: 0;
  padding: 1rem;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.live-chat-empty {
  margin: 1rem 0;
  text-align: center;
}

.live-chat-message {
  margin: 0 0 0.9rem;
}

.live-chat-message:last-child {
  margin-bottom: 0;
}

.live-chat-message-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.2rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.live-chat-message-text {
  margin: 0;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  background: var(--surface-muted);
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.live-chat-message.is-own .live-chat-message-text {
  background: var(--surface-card-soft);
  border: 1px solid var(--border-soft);
}

.live-chat-compose {
  padding: 0.85rem 1rem max(0.85rem, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: var(--surface-card);
}

.live-chat-compose textarea {
  display: block;
  width: 100%;
  min-height: 72px;
  max-height: 9rem;
  resize: vertical;
}

.live-chat-compose-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.55rem;
}

.live-chat-feedback {
  color: var(--muted);
  font-size: 0.82rem;
}

body.live-chat-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .live-floor-student,
  .live-floor-active-row,
  .live-floor-queue-item {
    align-items: stretch;
    flex-direction: column;
  }

  .live-floor-student-actions {
    align-items: stretch;
    flex-direction: column;
    width: 100%;
    margin-left: 0;
  }

  .live-microphone-indicator {
    min-height: 2rem;
  }

  .live-floor-student-actions .btn,
  .live-floor-active-row .btn,
  .live-floor-queue-item .btn {
    width: 100%;
    min-height: 44px;
  }

  .live-floor-audio-status {
    align-items: stretch;
    flex-direction: column;
  }

  .live-floor-audio-status .btn {
    width: 100%;
    min-height: 44px;
  }

  .live-chat-launcher {
    align-items: flex-end;
    flex-direction: column;
  }

  .live-chat-availability {
    text-align: left;
  }

  .live-chat-panel {
    top: auto;
    right: max(0.5rem, env(safe-area-inset-right));
    bottom: max(0.5rem, env(safe-area-inset-bottom));
    left: max(0.5rem, env(safe-area-inset-left));
    width: auto;
    height: min(76dvh, 38rem);
    max-height: calc(100dvh - 1rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  }

  .live-chat-compose textarea {
    font-size: 16px;
    resize: none;
  }
}

@media (max-width: 640px) {
  .recording-course-grid,
  .recording-date-grid {
    grid-template-columns: 1fr;
  }

  .recording-list-item {
    align-items: stretch;
    flex-direction: column;
  }
}

/* Tutor · ficha de seguimiento */
.tutoring-page {
  display: grid;
  gap: 1rem;
  max-width: 1060px;
  margin: 0 auto;
}

.tutoring-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 0.35rem;
}

.tutoring-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.tutoring-header-actions form {
  margin: 0;
}

.tutoring-report-history {
  padding-block: clamp(1rem, 2vw, 1.45rem);
}

.tutoring-report-list {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.tutoring-report-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.45rem 1rem;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.tutoring-report-list li:last-child {
  border-bottom: 0;
}

.tutoring-report-list li > div {
  display: grid;
  gap: 0.15rem;
}

.tutoring-report-list li > div span {
  color: var(--muted);
  font-size: 0.86rem;
}

.tutoring-report-list li > a {
  grid-column: 1 / -1;
  width: max-content;
  font-weight: 750;
}

.tutoring-report-masthead {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.15rem, 3vw, 2rem) 0;
  border-block: 1px solid var(--line);
}

.tutoring-report-masthead h2,
.tutoring-report-masthead p,
.tutoring-report-finalize h2,
.tutoring-report-finalize p {
  margin: 0;
}

.tutoring-report-masthead > div:first-child {
  display: grid;
  gap: 0.35rem;
}

.tutoring-report-state {
  display: grid;
  gap: 0.4rem;
  align-content: start;
  justify-items: start;
}

.tutoring-report-state > span,
.tutoring-report-state small {
  color: var(--muted);
}

.tutoring-report-finalize {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.tutoring-report-finalize > div {
  display: grid;
  gap: 0.25rem;
}

.tutoring-report-finalize h2 {
  font-size: 1rem;
}

.tutoring-report-finalize p {
  color: var(--muted);
  font-size: 0.9rem;
}

.tutoring-report-finalize form {
  margin: 0;
}

.tutoring-header h1,
.tutoring-header p,
.tutoring-section h2,
.tutoring-summary h2,
.tutoring-all-topics strong {
  margin: 0;
}

.tutoring-kicker,
.tutoring-section-index {
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tutoring-student-context {
  margin-top: 0.25rem !important;
  color: var(--muted);
}

.tutoring-periods,
.topic-filter-nav {
  display: flex;
  gap: 0.45rem;
  max-width: 100%;
  overflow-x: auto;
  padding: 0.15rem 0 0.35rem;
  scrollbar-width: thin;
}

.tutoring-periods a,
.topic-filter-nav a {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-card);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

.tutoring-periods a.is-selected,
.topic-filter-nav a.is-selected {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--button-text);
}

.tutoring-period-context {
  display: grid;
  gap: 0.55rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.tutoring-period-context div {
  display: grid;
  gap: 0.1rem;
}

.tutoring-period-context span {
  color: var(--muted);
  font-size: 0.86rem;
}

.tutoring-data-note {
  margin: 0;
  padding: 0.65rem 0.8rem;
  border-left: 3px solid var(--warning);
  background: var(--warning-bg);
  color: var(--warning-text);
  font-size: 0.88rem;
}

.tutoring-section,
.tutoring-summary,
.tutoring-all-topics {
  overflow: hidden;
}

.tutoring-section-heading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.tutoring-section-heading > div {
  display: grid;
  gap: 0.18rem;
}

.tutoring-section-heading .subtle {
  margin: 0;
}

.tutoring-summary-layout {
  display: grid;
  gap: 1.1rem;
}

.tutoring-primary-metric {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  min-width: 0;
  padding: 0.2rem 0 1rem;
  border-bottom: 1px solid var(--line);
}

.tutoring-primary-metric > span {
  color: var(--muted);
  font-weight: 700;
}

.tutoring-primary-metric > strong {
  font-size: clamp(3rem, 13vw, 5.4rem);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.tutoring-trend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin-top: 0.35rem;
  font-size: 0.94rem;
}

.tutoring-trend strong {
  font-variant-numeric: tabular-nums;
}

.tutoring-trend-context {
  color: var(--muted);
  font-weight: 700;
}

.tutoring-page .is-positive {
  color: var(--ok-text);
}

.tutoring-page .is-negative {
  color: var(--error-text);
}

.tutoring-page .is-warning {
  color: var(--warning-text);
}

.tutoring-page .is-insufficient,
.tutoring-page .is-neutral {
  color: var(--muted);
}

.tutoring-status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.tutoring-status.is-positive {
  border-color: var(--ok);
  background: var(--ok-bg);
}

.tutoring-status.is-negative {
  border-color: var(--error);
  background: var(--error-bg);
}

.tutoring-status.is-warning {
  border-color: var(--warning);
  background: var(--warning-bg);
}

.tutoring-status.is-insufficient,
.tutoring-status.is-neutral {
  background: var(--idle-bg);
}

.tutoring-status.is-insufficient {
  white-space: normal;
}

.tutoring-kpi-grid,
.tutoring-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.tutoring-kpi-grid div,
.tutoring-stat-grid div {
  min-width: 0;
  padding: 0.75rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.tutoring-kpi-grid dt,
.tutoring-stat-grid dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.tutoring-kpi-grid dd,
.tutoring-stat-grid dd {
  margin: 0.18rem 0 0;
  overflow-wrap: anywhere;
  font-size: 1.15rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.tutoring-chart-shell {
  max-width: 100%;
  overflow-x: auto;
  padding-bottom: 0.35rem;
}

.tutoring-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  margin-bottom: 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.tutoring-chart-legend span::before {
  display: inline-block;
  width: 1.7rem;
  margin-right: 0.35rem;
  border-top: 3px solid currentColor;
  vertical-align: 0.2em;
  content: "";
}

.tutoring-chart-legend .is-wrong::before {
  border-top-style: dashed;
}

.tutoring-chart-legend .is-blank::before {
  border-top-style: dotted;
}

.tutoring-chart {
  display: block;
  width: 100%;
  min-width: 600px;
  height: auto;
  color: var(--muted);
}

.tutoring-chart-grid line {
  stroke: var(--line);
  stroke-width: 1;
}

.tutoring-chart-grid text,
.tutoring-chart-axis-label {
  fill: var(--muted);
  font-family: inherit;
  font-size: 11px;
}

.tutoring-chart-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tutoring-chart-line.is-correct,
.tutoring-chart-point.is-correct {
  stroke: var(--ok);
}

.tutoring-chart-line.is-wrong,
.tutoring-chart-point.is-wrong {
  stroke: var(--error);
}

.tutoring-chart-line.is-wrong {
  stroke-dasharray: 8 5;
}

.tutoring-chart-line.is-blank,
.tutoring-chart-point.is-blank {
  stroke: var(--warning);
}

.tutoring-chart-line.is-blank {
  stroke-dasharray: 2 6;
}

.tutoring-chart-point {
  fill: var(--surface-card);
  stroke-width: 3;
}

.tutoring-chart-details {
  margin-top: 0.8rem;
}

.tutoring-insights-list {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.tutoring-insights-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.tutoring-insights-list li:last-child {
  border-bottom: 0;
}

.tutoring-insights-list p {
  margin: 0;
}

.tutoring-insight-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.7rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.tutoring-insight-severity {
  display: inline-flex;
  gap: 0.38rem;
  align-items: center;
  color: var(--text);
  font-weight: 800;
}

.tutoring-insight-severity::before {
  width: 0.55rem;
  height: 0.55rem;
  border: 2px solid currentColor;
  border-radius: 50%;
  content: "";
}

.tutoring-insights-list .is-high .tutoring-insight-severity {
  color: var(--error-text);
}

.tutoring-insights-list .is-attention .tutoring-insight-severity {
  color: var(--warning-text);
}

.tutoring-insights-list .is-positive .tutoring-insight-severity {
  color: var(--ok-text);
}

.tutoring-insights-list .is-informational .tutoring-insight-severity {
  color: var(--accent);
}

.tutoring-insight-evidence {
  color: var(--muted);
  font-size: 0.84rem;
  font-variant-numeric: tabular-nums;
}

.tutoring-performance-table td,
.tutoring-performance-table th {
  font-variant-numeric: tabular-nums;
}

.priority-topic-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: tutoring-priority;
}

.priority-topic-list li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.45rem 0.7rem;
  align-items: center;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  counter-increment: tutoring-priority;
}

.priority-topic-list li:last-child {
  border-bottom: 0;
}

.priority-topic-list li::before {
  grid-row: 1 / span 2;
  align-self: start;
  color: var(--muted);
  font-weight: 800;
  content: counter(tutoring-priority, decimal-leading-zero);
}

.priority-topic-list li > div {
  display: grid;
  min-width: 0;
}

.priority-topic-list li > div span {
  color: var(--muted);
  font-size: 0.82rem;
}

.priority-topic-result {
  font-variant-numeric: tabular-nums;
}

.priority-topic-list .tutoring-status {
  grid-column: 2;
}

.tutoring-two-column {
  display: grid;
  gap: 1rem;
}

.coverage-grid,
.recovery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.coverage-grid div,
.recovery-grid div {
  display: grid;
  align-content: start;
  gap: 0.1rem;
  padding: 0.7rem;
  border-left: 3px solid var(--line);
  background: var(--surface-card-soft);
}

.coverage-grid strong,
.recovery-grid strong {
  font-size: 1.55rem;
  font-variant-numeric: tabular-nums;
}

.coverage-grid span,
.recovery-grid span {
  color: var(--muted);
  font-size: 0.82rem;
}

.recovery-grid .is-positive {
  border-left-color: var(--ok);
}

.recovery-grid .is-negative {
  border-left-color: var(--error);
}

.recovery-grid .is-warning {
  border-left-color: var(--warning);
}

.coverage-progress {
  display: grid;
  gap: 0.35rem;
  margin-top: 1rem;
}

.coverage-progress label {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.coverage-progress progress {
  width: 100%;
  height: 0.65rem;
  accent-color: var(--accent);
}

.reinforcement-block,
.persistent-errors-block {
  margin-top: 1.25rem;
  padding-top: 0.15rem;
  border-top: 1px solid var(--line);
}

.reinforcement-note {
  display: block;
  max-width: 32rem;
  margin-top: 0.2rem;
}

.persistent-error-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.persistent-error-list li {
  display: grid;
  gap: 0.55rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.persistent-error-list li:last-child {
  border-bottom: 0;
}

.persistent-error-list li > div {
  display: grid;
  gap: 0.1rem;
}

.persistent-error-list li span {
  color: var(--muted);
  font-size: 0.84rem;
}

.tutoring-all-topics {
  margin-top: 0;
  padding: 1rem;
  border-style: solid;
}

.tutoring-all-topics > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 44px;
  color: var(--text);
}

.tutoring-all-topics > summary > span:first-child {
  display: grid;
  gap: 0.15rem;
}

.tutoring-all-topics > summary > span:last-child {
  color: var(--muted);
  font-size: 0.84rem;
}

.topic-filter-nav {
  margin-top: 1rem;
}

.tutoring-empty-state {
  min-height: 13rem;
  display: grid;
  align-content: center;
}

@media (min-width: 700px) {
  .tutoring-header,
  .tutoring-section-heading {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .tutoring-period-context {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tutoring-summary-layout {
    grid-template-columns: minmax(250px, 0.9fr) minmax(360px, 1.4fr);
    align-items: stretch;
  }

  .tutoring-primary-metric {
    padding-right: 1.2rem;
    padding-bottom: 0;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .tutoring-kpi-grid,
  .tutoring-stat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .priority-topic-list li {
    grid-template-columns: 2rem minmax(0, 1.3fr) minmax(9rem, 0.8fr) auto;
  }

  .priority-topic-list li::before {
    grid-row: auto;
  }

  .priority-topic-list .tutoring-status {
    grid-column: auto;
  }

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

  .persistent-error-list li {
    grid-template-columns: minmax(0, 1fr) minmax(14rem, auto);
    align-items: center;
  }

  .persistent-error-list li > div:last-child {
    text-align: right;
  }

  .tutoring-insights-list li {
    grid-template-columns: minmax(10rem, 0.38fr) minmax(0, 1fr);
    column-gap: 1.25rem;
  }

  .tutoring-insight-meta {
    grid-row: 1 / span 2;
    align-content: start;
  }

  .tutoring-report-list li {
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .tutoring-report-list li > a {
    grid-column: auto;
  }

  .tutoring-report-masthead {
    grid-template-columns: minmax(0, 1fr) minmax(11rem, 0.3fr);
  }
}

@media (min-width: 920px) {
  .tutoring-two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .tutoring-periods a,
  .topic-filter-nav a {
    scroll-behavior: auto;
  }
}