:root {
  --ui-primary: #155eef;
  --ui-primary-soft: #edf3ff;
  --ui-text: #172033;
  --ui-muted: #697386;
  --ui-page: #f4f7fb;
  --ui-surface: rgba(255, 255, 255, .96);
  --ui-border: rgba(41, 61, 89, .1);
  --ui-radius: 22px;
  --ui-control-radius: 14px;
  --ui-ease-out: cubic-bezier(.22, 1, .36, 1);
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

html {
  width: 100%;
  max-width: 100%;
  min-height: 100%;
  background: #edf3fb;
  scroll-padding-top: calc(12px + env(safe-area-inset-top));
  scroll-padding-bottom: calc(18px + env(safe-area-inset-bottom));
}

body {
  display: flow-root;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  overflow-x: hidden;
  color: var(--ui-text);
  background:
    radial-gradient(circle at 8% 0%, rgba(21, 94, 239, .1), transparent 34rem),
    linear-gradient(180deg, #f8faff 0%, var(--ui-page) 46%, #eef3f9 100%);
  -webkit-tap-highlight-color: rgba(21, 94, 239, .12);
}

.compliance-footer {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 8px max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
  color: var(--ui-muted);
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
  overflow-wrap: anywhere;
}

.compliance-footer--mobile {
  max-width: var(--student-shell-max, 520px);
}

.compliance-footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 4px 8px;
  color: inherit;
  text-decoration-color: rgba(105, 115, 134, .55);
  text-underline-offset: 4px;
}

.compliance-footer a:hover {
  color: var(--ui-primary);
  text-decoration-color: currentColor;
}

::selection {
  color: var(--ui-text);
  background: rgba(21, 94, 239, .18);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: max(8px, env(safe-area-inset-top));
  left: max(8px, env(safe-area-inset-left));
  padding: 10px 14px;
  border-radius: 12px;
  color: #fff;
  background: var(--ui-primary);
  opacity: 0;
  transform: translate3d(0, -140%, 0);
  transition: transform 160ms var(--ui-ease-out), opacity 160ms ease-out;
}

.skip-link:focus-visible {
  opacity: 1;
  outline: 3px solid rgba(21, 94, 239, .28);
  outline-offset: 3px;
  transform: translate3d(0, 0, 0);
}

.shell {
  width: 100%;
  min-width: 0;
  padding-top: calc(24px + env(safe-area-inset-top));
  padding-right: calc(24px + env(safe-area-inset-right));
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
  padding-left: calc(24px + env(safe-area-inset-left));
}

#app.shell:not(.mobile) {
  max-width: 1440px;
}

.mobile {
  --student-shell-max: 520px;
  max-width: var(--student-shell-max);
  overflow-x: clip;
  border: 1px solid rgba(255, 255, 255, .86);
  background: rgba(248, 250, 253, .96);
}

.topbar {
  min-width: 0;
  flex-wrap: wrap;
  padding: 14px 16px;
  border: 1px solid var(--ui-border);
  border-radius: 20px;
  background: var(--ui-surface);
  box-shadow: 0 12px 32px rgba(38, 55, 82, .07), 0 1px 2px rgba(38, 55, 82, .04);
}

.topbar > * {
  min-width: 0;
}

:where(form, fieldset, .field, .row, .actions, .section-title, .grid, .table-wrap) {
  min-width: 0;
  max-width: 100%;
}

:where(button, input, textarea, select) {
  max-width: 100%;
}

input[type="file"] {
  min-width: 0;
  overflow: hidden;
}

:where(a, code, pre) {
  overflow-wrap: anywhere;
}

.brand {
  margin: 0;
  font-size: clamp(21px, 3.5vw, 25px);
  font-weight: 780;
  line-height: 1.16;
  letter-spacing: -.025em;
  text-wrap: balance;
}

.course-title,
.record-page-head h1,
.admin-page-head h1 {
  line-height: 1.28;
  letter-spacing: -.018em;
  text-wrap: balance;
}

.muted,
.description-cell,
.question-head-text,
.option-text {
  text-wrap: pretty;
}

.topbar .muted {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.card {
  border-color: var(--ui-border);
  border-radius: var(--ui-radius);
  background: var(--ui-surface);
  box-shadow: 0 12px 36px rgba(37, 52, 77, .065), 0 1px 2px rgba(37, 52, 77, .035);
  overflow-wrap: anywhere;
}

.login {
  padding: 24px;
  border-radius: 26px;
  box-shadow: 0 24px 64px rgba(36, 54, 84, .11), 0 2px 8px rgba(36, 54, 84, .05);
}

.grid {
  gap: 16px;
}

.btn,
.tab,
.record-quick,
.speech-button,
.option,
.chapter-item,
.resource-link {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transform: translate3d(0, 0, 0);
  transition: transform 150ms var(--ui-ease-out), opacity 150ms ease-out;
}

.btn {
  min-height: 44px;
  padding: 10px 17px;
  border-radius: var(--ui-control-radius);
  background: var(--ui-primary);
  box-shadow: 0 8px 18px rgba(21, 94, 239, .18);
}

.btn.secondary,
.btn.danger,
.btn.small {
  box-shadow: none;
}

.btn.small {
  min-height: 44px;
  border-radius: 12px;
}

.btn:disabled,
.tab:disabled,
.speech-button:disabled {
  opacity: .46;
  transform: none;
}

.input {
  min-height: 46px;
  border-color: rgba(65, 82, 108, .19);
  border-radius: 13px;
  color: var(--ui-text);
  background: rgba(255, 255, 255, .98);
  caret-color: var(--ui-primary);
}

textarea.input {
  min-height: 96px;
  resize: vertical;
}

select.input {
  color: var(--ui-text);
  background-color: #fff;
}

.field label {
  color: #2d3b50;
  font-size: 14px;
  font-weight: 700;
}

:where(button, a, input, textarea, select, [tabindex]):focus-visible {
  outline: 3px solid rgba(21, 94, 239, .28);
  outline-offset: 3px;
}

.input:focus-visible {
  border-color: var(--ui-primary);
  outline-offset: 1px;
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--ui-primary);
}

.badge {
  line-height: 1.35;
  font-variant-numeric: tabular-nums;
}

.stat strong,
.timer,
.record-score,
.record-attempt-count,
.table td,
.score-value {
  font-variant-numeric: tabular-nums;
}

.progress {
  height: 9px;
  border-radius: 999px;
}

.tabs {
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--ui-border);
  border-radius: 16px;
  background: rgba(229, 235, 244, .78);
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tabs-hint {
  margin: -10px 4px 14px;
  color: #526176;
  font-size: 12px;
  line-height: 1.5;
  text-align: right;
}

.tab {
  min-height: 44px;
  padding: 8px 13px;
  border-radius: 12px;
  background: transparent;
}

.tab.active,
.tab[aria-current="page"] {
  background: var(--ui-primary);
  box-shadow: 0 5px 13px rgba(21, 94, 239, .18);
}

.table-wrap {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid var(--ui-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, .74);
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

.table-wrap[data-scrollable]:focus-visible {
  outline: 3px solid rgba(21, 94, 239, .28);
  outline-offset: 3px;
}

.table {
  max-width: none;
}

.table th,
.table td {
  vertical-align: top;
  overflow-wrap: anywhere;
}

.table th {
  color: #44536a;
  background: #f8faff;
}

.table tbody tr:last-child td {
  border-bottom: 0;
}

.option {
  min-height: 46px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .84);
  cursor: pointer;
}

.option:has(input:checked) {
  box-shadow: inset 0 0 0 1px rgba(21, 94, 239, .16);
}

.option:has(input:disabled) {
  opacity: .78;
}

.question {
  scroll-margin-top: 18px;
}

.exam-submit-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.question-result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.question-result-grid > div,
.question-explanation {
  min-width: 0;
  padding: 11px 12px;
  border-radius: 12px;
  background: #f7f9fc;
}

.question-result-grid > div {
  display: grid;
  gap: 5px;
}

.question-result-grid strong,
.question-explanation p {
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.question-explanation {
  margin-top: 10px;
  background: #fff9e9;
}

.question-explanation p {
  margin: 6px 0 0;
  line-height: 1.65;
}

.chapter-content img,
.chapter-content video {
  width: 100%;
  height: auto;
  border-radius: 16px;
}

.chapter-content .course-illustration {
  margin: 18px 0 20px;
}

.chapter-content .course-illustration img {
  display: block;
}

.chapter-content {
  min-width: 0;
  overflow-wrap: anywhere;
}

.chapter-content :where(table, iframe, pre) {
  max-width: 100%;
}

.chapter-content table,
.chapter-content pre {
  display: block;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

.chapter-content iframe {
  width: 100%;
}

.chapter-content video {
  aspect-ratio: auto 16 / 9;
  object-fit: contain;
  background: #000;
}

.document-viewer {
  padding: 12px;
  border: 1px solid rgba(61, 83, 116, .12);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(248, 251, 255, .98), rgba(239, 244, 251, .96));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}

.document-viewer__format {
  color: var(--ui-primary);
  background: var(--ui-primary-soft);
}

.document-viewer__fallback {
  flex: 0 0 auto;
  border: 1px solid rgba(21, 94, 239, .14);
  border-radius: 13px;
  color: var(--ui-primary);
  background: rgba(255, 255, 255, .8);
}

.document-viewer__actions {
  min-width: 0;
}

.document-viewer__fullscreen-button {
  border: 1px solid rgba(21, 94, 239, .16);
  border-radius: 13px;
  color: var(--ui-primary);
  background: rgba(255, 255, 255, .86);
  box-shadow: none;
}

.document-viewer__fullscreen-button[aria-pressed="true"] {
  border-color: var(--ui-primary);
  color: #fff;
  background: var(--ui-primary);
  box-shadow: 0 8px 18px rgba(21, 94, 239, .2);
}

.document-viewer:fullscreen,
.document-viewer:-webkit-full-screen,
.document-viewer.is-document-fullscreen {
  padding-top: calc(8px + env(safe-area-inset-top));
  padding-right: calc(8px + env(safe-area-inset-right));
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
  padding-left: calc(8px + env(safe-area-inset-left));
  background:
    radial-gradient(circle at 12% 0%, rgba(21, 94, 239, .12), transparent 30rem),
    #f4f7fb;
}

.document-viewer:fullscreen .document-viewer__stage,
.document-viewer:-webkit-full-screen .document-viewer__stage,
.document-viewer.is-document-fullscreen .document-viewer__stage {
  border-color: rgba(56, 77, 107, .16);
  background: #dfe6ef;
  box-shadow: inset 0 1px 4px rgba(35, 51, 75, .08);
}

.document-viewer__stage {
  border-color: rgba(56, 77, 107, .14);
  border-radius: 18px;
  background: #e8eef6;
  box-shadow: inset 0 1px 3px rgba(35, 51, 75, .06);
  overscroll-behavior: contain;
}

.document-viewer__canvas {
  border-radius: 8px;
}

.document-viewer__status {
  font-size: 14px;
  font-weight: 650;
}

.document-viewer__controls {
  padding: 4px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .62);
}

.document-viewer__page-input {
  border-radius: 12px;
}

.document-viewer__fallback,
.document-viewer__page-button,
.document-viewer__page-input {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.document-legacy-notice {
  border: 1px solid rgba(193, 133, 0, .14);
}

.chapter-resource-links {
  vertical-align: middle;
}

.chapter-resource-links .resource-link,
.chapter-item .resource-link,
.record-quick {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.record-course-list,
.record-question-list,
.record-course-card,
.record-exam-block {
  min-width: 0;
  max-width: 100%;
}

[data-chapter-form-status] .notice,
[data-chapter-form-status] .error {
  margin: 0 0 12px;
}

.notice,
.error,
.success,
.speech-help,
.batch-detail,
.validation-panel,
.rule-summary {
  border-radius: 14px;
}

.empty {
  border: 1px dashed rgba(77, 96, 124, .2);
  border-radius: 18px;
  background: rgba(255, 255, 255, .56);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.dashboard-wide {
  min-width: 0;
}

.points-overview {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.6fr);
  gap: 18px;
  overflow: hidden;
  border-color: rgba(21, 94, 239, .14);
  background:
    linear-gradient(118deg, rgba(13, 39, 68, .035), transparent 42%),
    rgba(255, 255, 255, .98);
}

.points-overview::after {
  position: absolute;
  top: 0;
  right: 24px;
  width: 82px;
  height: 5px;
  border-radius: 0 0 999px 999px;
  background: #d9a441;
  content: "";
}

.points-overview--unavailable {
  grid-template-columns: 1fr;
}

.points-overview__lead,
.leaderboard-head > div {
  min-width: 0;
}

.points-overview__eyebrow,
.result-hero__eyebrow {
  margin: 0 0 6px;
  color: #155eef;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.points-overview__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
  margin: 0;
}

.points-metric {
  display: grid;
  align-content: space-between;
  gap: 8px;
  min-width: 0;
  min-height: 94px;
  padding: 13px;
  border: 1px solid rgba(41, 61, 89, .09);
  border-radius: 16px;
  background: #f8fafc;
}

.points-metric dt {
  color: #5d6a7e;
  font-size: 12px;
  font-weight: 700;
}

.points-metric dd {
  min-width: 0;
  margin: 0;
  color: #0d2744;
  font-size: clamp(19px, 3vw, 28px);
  font-weight: 850;
  font-variant-numeric: tabular-nums;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.points-metric dd small {
  font-size: 12px;
  font-weight: 750;
}

.points-metric--primary {
  border-color: #0d2744;
  background: #0d2744;
}

.points-metric--primary dt,
.points-metric--primary dd {
  color: #fff;
}

#app[data-view="dashboard"] {
  --dashboard-navy: #0d2744;
  --dashboard-teal: #0f766e;
  --dashboard-clay: #e97824;
  --dashboard-paper: #f7f4ed;
}

#app[data-view="dashboard"] .dashboard-header {
  border-radius: 7px 22px 7px 22px;
}

#app[data-view="dashboard"] .course-library {
  min-width: 0;
}

#app[data-view="dashboard"] .course-library__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
  margin: 6px 2px 14px;
}

#app[data-view="dashboard"] .course-library__head > div {
  min-width: 0;
}

#app[data-view="dashboard"] .course-library__head .muted {
  margin: 4px 0 0;
}

#app[data-view="dashboard"] .course-library__title {
  margin: 0;
  color: var(--dashboard-navy);
  font-family: "STZhongsong", "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(23px, 4vw, 30px);
  line-height: 1.18;
  letter-spacing: -.025em;
}

#app[data-view="dashboard"] .course-library__head > .badge {
  flex: 0 0 auto;
  margin-bottom: 2px;
}

#app[data-view="dashboard"] .course-library-list {
  display: grid;
  gap: 14px;
  min-width: 0;
}

#app[data-view="dashboard"] .course-library-card {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  align-content: start;
  min-width: 0;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border-radius: 6px 22px 6px 22px;
  background: #fff;
}

#app[data-view="dashboard"] .course-cover {
  position: relative;
  min-width: 0;
  min-height: 172px;
  overflow: hidden;
  color: #fff;
  background: var(--dashboard-navy);
  isolation: isolate;
}

#app[data-view="dashboard"] .course-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

#app[data-view="dashboard"] .course-cover img[hidden],
#app[data-view="dashboard"] .course-cover-placeholder[hidden] {
  display: none;
}

#app[data-view="dashboard"] .course-cover-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: end;
  gap: 4px;
  padding: 14px 12px;
  overflow: hidden;
  background:
    linear-gradient(145deg, transparent 0 46%, rgba(233, 120, 36, .92) 46% 53%, transparent 53%),
    radial-gradient(circle at 78% 14%, rgba(255, 255, 255, .2), transparent 30%),
    linear-gradient(165deg, #0f766e, #0d2744 70%);
}

#app[data-view="dashboard"] .course-cover-placeholder::before {
  position: absolute;
  z-index: -1;
  top: 18px;
  left: -18px;
  width: 84px;
  height: 84px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 50%;
  content: "";
}

#app[data-view="dashboard"] .course-cover-placeholder strong {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: .08em;
  line-height: 1;
}

#app[data-view="dashboard"] .course-cover-placeholder small {
  color: rgba(255, 255, 255, .78);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .12em;
}

#app[data-view="dashboard"] .course-library-card__summary {
  display: grid;
  align-content: start;
  min-width: 0;
  padding: 13px 13px 11px;
}

#app[data-view="dashboard"] .course-library-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
  margin-bottom: 7px;
}

#app[data-view="dashboard"] .course-library-card__summary .course-title {
  margin-bottom: 6px;
  color: var(--dashboard-navy);
  font-family: "STZhongsong", "Noto Serif SC", "Songti SC", serif;
  font-size: 18px;
}

#app[data-view="dashboard"] .course-library-card__description {
  min-width: 0;
  margin: 0 0 10px;
  color: #5b6879;
  font-size: 12px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

#app[data-view="dashboard"] .course-study-total {
  display: grid;
  gap: 2px;
  min-width: 0;
  margin: auto 0 0;
}

#app[data-view="dashboard"] .course-study-total span {
  color: #697386;
  font-size: 11px;
}

#app[data-view="dashboard"] .course-study-total strong {
  color: var(--dashboard-navy);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

#app[data-view="dashboard"] .course-facts {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  min-width: 0;
  margin: 0 13px 12px;
}

#app[data-view="dashboard"] .course-facts > div {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid rgba(41, 61, 89, .08);
  border-radius: 12px 4px 12px 4px;
  background: #f7f9fc;
}

#app[data-view="dashboard"] .course-facts .course-fact--wide {
  grid-column: 1 / -1;
}

#app[data-view="dashboard"] .course-facts dt {
  color: #697386;
  font-size: 10px;
  font-weight: 700;
}

#app[data-view="dashboard"] .course-facts dd {
  min-width: 0;
  margin: 0;
  color: var(--dashboard-navy);
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

#app[data-view="dashboard"] .course-library-card .course-actions {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  min-width: 0;
  padding: 0 13px 13px;
}

#app[data-view="dashboard"] .course-library-card .course-actions .btn {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding-right: 10px;
  padding-left: 10px;
  white-space: normal;
}

#app[data-view="dashboard"] .course-library-card .course-latest-result {
  grid-column: 1 / -1;
  margin: 0 13px 13px;
  padding-top: 12px;
}

.course-actions {
  align-items: stretch;
}

.course-latest-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid rgba(41, 61, 89, .09);
}

.course-latest-result > div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.course-latest-result strong,
.course-latest-result small {
  overflow-wrap: anywhere;
}

.course-latest-result small {
  color: #697386;
  font-size: 12px;
}

.latest-result {
  flex: 0 0 auto;
}

.leaderboard-panel {
  position: relative;
  min-width: 0;
  border-color: rgba(21, 94, 239, .12);
}

#app[data-view="dashboard"] .leaderboard-panel {
  padding: 0;
  overflow: hidden;
  border-radius: 18px 6px 18px 6px;
}

#app[data-view="dashboard"] .leaderboard-toggle {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto 20px;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-width: 0;
  min-height: 72px;
  padding: 11px 14px;
  border: 0;
  color: var(--dashboard-navy);
  background: transparent;
  text-align: left;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

#app[data-view="dashboard"] .leaderboard-toggle:active {
  background: #f8fafc;
}

#app[data-view="dashboard"] .leaderboard-toggle:focus-visible {
  position: relative;
  z-index: 2;
  outline: 3px solid rgba(21, 94, 239, .28);
  outline-offset: -3px;
}

#app[data-view="dashboard"] .leaderboard-toggle__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 15px 5px 15px 5px;
  color: #684a07;
  background: #f6e7bd;
}

#app[data-view="dashboard"] .leaderboard-toggle__icon svg,
#app[data-view="dashboard"] .leaderboard-toggle__chevron svg {
  width: 21px;
  height: 21px;
}

#app[data-view="dashboard"] .leaderboard-toggle__summary {
  display: grid;
  gap: 2px;
  min-width: 0;
}

#app[data-view="dashboard"] .leaderboard-toggle__summary small,
#app[data-view="dashboard"] .leaderboard-toggle__summary span,
#app[data-view="dashboard"] .leaderboard-toggle__points small,
#app[data-view="dashboard"] .leaderboard-toggle__hint {
  color: #697386;
  font-size: 10px;
}

#app[data-view="dashboard"] .leaderboard-toggle__summary strong {
  min-width: 0;
  font-size: 14px;
  overflow-wrap: anywhere;
}

#app[data-view="dashboard"] .leaderboard-toggle__points {
  display: grid;
  justify-items: end;
  min-width: 0;
  line-height: 1.05;
}

#app[data-view="dashboard"] .leaderboard-toggle__points b {
  color: #155eef;
  font-size: 21px;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

#app[data-view="dashboard"] .leaderboard-toggle__hint {
  display: none;
  white-space: nowrap;
}

#app[data-view="dashboard"] .leaderboard-toggle__chevron {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  color: #697386;
  transform: rotate(90deg);
  transition: transform 160ms var(--ui-ease-out), opacity 160ms ease-out;
}

#app[data-view="dashboard"] .leaderboard-toggle[aria-expanded="true"] .leaderboard-toggle__chevron {
  transform: rotate(-90deg);
}

#app[data-view="dashboard"] .leaderboard-content {
  min-width: 0;
  padding: 14px 14px 16px;
  border-top: 1px solid var(--ui-border);
}

#app[data-view="dashboard"] .leaderboard-content[hidden] {
  display: none;
}

#app[data-view="dashboard"] .leaderboard-results {
  min-width: 0;
}

.leaderboard-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.leaderboard-privacy {
  margin: 0 0 14px;
  padding: 9px 11px;
  border-left: 3px solid #155eef;
  border-radius: 0 10px 10px 0;
  color: #46566e;
  background: #f3f7ff;
  font-size: 13px;
  line-height: 1.55;
}

.leaderboard-state {
  display: grid;
  gap: 5px;
  justify-items: start;
  min-height: 92px;
  padding: 18px;
  border: 1px dashed rgba(77, 96, 124, .22);
  border-radius: 16px;
  background: #f8fafc;
}

.leaderboard-state--error {
  border-color: rgba(180, 35, 24, .25);
  color: #8f1d16;
  background: #fff7f6;
}

.leaderboard-state .btn {
  margin-top: 7px;
}

.leaderboard-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) minmax(96px, auto) minmax(86px, auto);
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid rgba(41, 61, 89, .08);
  border-radius: 14px;
  background: #fff;
}

.leaderboard-row--podium {
  border-color: rgba(217, 164, 65, .3);
  background: #fffbef;
}

.leaderboard-row--rank-1 {
  box-shadow: inset 4px 0 0 #d9a441;
}

.leaderboard-row.is-self {
  border-color: rgba(21, 94, 239, .28);
  background: #edf3ff;
}

.leaderboard-rank {
  display: inline-grid;
  place-items: center;
  width: 38px;
  min-height: 38px;
  border-radius: 12px;
  color: #0d2744;
  background: #eef2f7;
  font-size: 16px;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.leaderboard-row--podium .leaderboard-rank {
  color: #684a07;
  background: #f8e7b8;
}

.leaderboard-name {
  min-width: 0;
  overflow-wrap: anywhere;
}

.leaderboard-stat {
  display: grid;
  gap: 2px;
  justify-items: end;
  min-width: 0;
  text-align: right;
}

.leaderboard-stat small,
.leaderboard-current .muted {
  color: #697386;
  font-size: 11px;
}

.leaderboard-stat b,
.leaderboard-current strong {
  color: #0d2744;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.leaderboard-stat--points b {
  color: #155eef;
  font-size: 17px;
}

.leaderboard-current {
  position: sticky;
  z-index: 2;
  bottom: max(8px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid rgba(21, 94, 239, .24);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(13, 39, 68, .12);
}

.leaderboard-current > div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.leaderboard-current.is-unranked {
  border-color: rgba(77, 96, 124, .18);
  background: #f8fafc;
}

.result-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(138px, .55fr);
  gap: 18px;
  overflow: hidden;
  border: 1px solid rgba(217, 164, 65, .36);
  background:
    linear-gradient(135deg, rgba(217, 164, 65, .09), transparent 38%),
    #fffefa;
}

.result-hero--notice {
  border-color: rgba(180, 35, 24, .24);
  background:
    linear-gradient(135deg, rgba(180, 35, 24, .06), transparent 38%),
    #fffafa;
}

.result-hero--legacy {
  grid-template-columns: 1fr;
  border-color: rgba(77, 96, 124, .17);
  background: #fff;
}

.result-hero__rule {
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(217, 164, 65, .24);
  border-radius: 16px;
  pointer-events: none;
}

.result-hero--notice .result-hero__rule {
  border-color: rgba(180, 35, 24, .17);
}

.result-hero__main,
.result-stamp,
.result-snapshot,
.result-ribbon,
.result-highest,
.result-reason,
.result-analysis-link,
.legacy-result-notice {
  position: relative;
  z-index: 1;
}

.result-hero__title {
  max-width: 12em;
  margin: 0;
  color: #0d2744;
  font-size: clamp(25px, 5vw, 38px);
  font-weight: 850;
  line-height: 1.18;
  letter-spacing: .06em;
  text-wrap: balance;
}

.result-score {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.result-score > span:first-child {
  flex-basis: 100%;
  color: #697386;
  font-size: 13px;
  font-weight: 700;
}

.result-score > strong {
  display: inline-flex;
  align-items: baseline;
  min-width: 0;
  color: #0d2744;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.result-score .score-value {
  font-size: clamp(46px, 10vw, 72px);
  font-weight: 900;
  letter-spacing: -.04em;
}

.result-score small {
  color: #697386;
  font-size: 16px;
}

.result-stamp {
  display: grid;
  place-content: center;
  justify-self: end;
  width: 132px;
  min-height: 132px;
  padding: 14px;
  border: 3px double #d9a441;
  border-radius: 50%;
  color: #785709;
  background: rgba(255, 251, 239, .92);
  text-align: center;
  transform: rotate(5deg);
}

.result-stamp span {
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .1em;
}

.result-stamp strong {
  margin-top: 3px;
  font-size: 26px;
  line-height: 1.08;
}

.result-hero--notice .result-stamp,
.grade-unqualified .result-stamp {
  border-color: #b42318;
  color: #8f1d16;
  background: #fff3f1;
}

.result-snapshot {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
  margin: 0;
  border-top: 1px solid rgba(41, 61, 89, .1);
  border-bottom: 1px solid rgba(41, 61, 89, .1);
}

.result-snapshot > div {
  display: grid;
  grid-template-columns: minmax(78px, auto) minmax(0, 1fr);
  gap: 8px;
  padding: 10px 0;
}

.result-snapshot dt {
  color: #697386;
  font-size: 12px;
  font-weight: 700;
}

.result-snapshot dd {
  min-width: 0;
  margin: 0;
  color: #0d2744;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.result-ribbon {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border-radius: 16px;
  color: #fff;
  background: rgba(255, 255, 255, .18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}

.result-ribbon > div {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 13px;
  background: #0d2744;
}

.result-hero--notice .result-ribbon > div {
  background: #7f211b;
}

.result-ribbon span {
  color: rgba(255, 255, 255, .76);
  font-size: 12px;
}

.result-ribbon strong {
  font-size: clamp(19px, 4vw, 27px);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.points-change.is-positive {
  color: #b8f5ca;
}

.points-change.is-negative {
  color: #ffd0cc;
}

.points-change.is-zero {
  color: #fff;
}

.result-highest {
  display: grid;
  gap: 4px;
  align-content: start;
  min-width: 0;
  padding: 11px 13px;
  border-left: 4px solid #d9a441;
  border-radius: 0 12px 12px 0;
  background: #fffbef;
}

.result-highest span {
  color: #697386;
  font-size: 12px;
}

.result-highest strong {
  color: #0d2744;
  overflow-wrap: anywhere;
}

.result-reason {
  min-width: 0;
  margin: 0;
  padding: 11px 13px;
  border-radius: 12px;
  color: #334155;
  background: #f4f7fb;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.result-analysis-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  align-self: start;
  justify-self: start;
  text-decoration: none;
}

.legacy-result-notice {
  display: grid;
  gap: 5px;
  margin: 0;
}

.result-analysis {
  scroll-margin-top: calc(12px + env(safe-area-inset-top));
}

.result-analysis:focus-visible {
  outline: 3px solid rgba(21, 94, 239, .28);
  outline-offset: 3px;
}

.record-detail-panel:focus-visible {
  outline: 3px solid rgba(21, 94, 239, .28);
  outline-offset: 3px;
}

.view-stage,
#content {
  min-width: 0;
}

.personal-watermark {
  width: min(100vw, var(--student-shell-max, 520px));
  grid-auto-rows: minmax(96px, 1fr);
  align-content: stretch;
  contain: layout paint style;
}

.personal-watermark__item {
  min-width: 0;
  max-width: 100%;
  padding: 0 4px;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
  text-align: center;
  line-height: 1.2;
}

.personal-watermark.personal-watermark--document-fullscreen {
  width: 100vw;
  max-width: none;
  grid-auto-rows: minmax(90px, 1fr);
  align-content: stretch;
}

.log-detail {
  min-width: 280px;
  max-width: 520px;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

#timer,
#answerSaveStatus,
#studyStatus,
#studySyncHint,
.speech-status {
  animation: none;
  transition: none;
}

@supports (content-visibility: auto) {
  .question,
  .record-question,
  .course-card,
  .chapter-item {
    content-visibility: auto;
  }

  .question,
  .record-question {
    contain-intrinsic-size: auto 260px;
  }

  .course-card,
  .chapter-item {
    contain-intrinsic-size: auto 220px;
  }
}

@keyframes ui-view-enter {
  from {
    opacity: 0;
    transform: translate3d(0, 6px, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes ui-score-enter {
  from {
    opacity: 0;
    transform: translate3d(0, 4px, 0) scale(.98);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes ui-feedback-enter {
  from {
    opacity: 0;
    transform: translate3d(0, 6px, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes ui-result-stamp-enter {
  from {
    opacity: 0;
    transform: translate3d(8px, -6px, 0) rotate(12deg) scale(.9);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotate(5deg) scale(1);
  }
}

@keyframes ui-leaderboard-podium-enter {
  from {
    opacity: 0;
    transform: translate3d(0, 5px, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes document-fullscreen-enter {
  from {
    opacity: 0;
    transform: translate3d(0, 5px, 0) scale(.995);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@media (prefers-reduced-motion: no-preference) {
  #app[data-view="login"] > .login,
  #app[data-view="dashboard"] > .topbar,
  #app[data-view="dashboard"] > .course-card,
  #app[data-view="dashboard"] > .empty,
  #app[data-view="course"] > .topbar,
  #app[data-view="course"] > .card:not(.chapter),
  #app[data-view="result"] > .topbar,
  .view-stage > :first-child {
    animation: ui-view-enter 180ms var(--ui-ease-out);
  }

  #app[data-view="dashboard"] .course-library-card {
    animation: ui-view-enter 180ms var(--ui-ease-out);
  }

  #app[data-view="result"] > .score-card {
    animation: ui-score-enter 200ms var(--ui-ease-out);
  }

  #app[data-view="result"] .result-stamp {
    animation: ui-result-stamp-enter 240ms var(--ui-ease-out);
  }

  #app[data-view="dashboard"] .leaderboard-row--podium {
    animation: ui-leaderboard-podium-enter 180ms var(--ui-ease-out);
  }

  #app[data-view="dashboard"] .leaderboard-row--podium:nth-child(2) {
    animation-delay: 35ms;
  }

  #app[data-view="dashboard"] .leaderboard-row--podium:nth-child(3) {
    animation-delay: 70ms;
  }

  .error,
  .success,
  .notice:not(.speech-status) {
    animation: ui-feedback-enter 160ms var(--ui-ease-out);
  }

  .document-viewer.is-document-fullscreen {
    animation: document-fullscreen-enter 180ms var(--ui-ease-out);
  }
}

#app[data-view="attempt"] > .topbar,
#app[data-view="attempt"] > .card {
  animation: none;
}

@media (hover: hover) and (pointer: fine) {
  .btn:not(:disabled):hover,
  .tab:not(:disabled):hover,
  .record-quick:hover,
  .resource-link:hover {
    transform: translate3d(0, -1px, 0);
  }
}

.btn:not(:disabled):active,
.tab:not(:disabled):active,
.record-quick:active,
.speech-button:not(:disabled):active,
.option:active,
.chapter-item:active,
.resource-link:active {
  opacity: .9;
  transform: translate3d(0, 1px, 0) scale(.985);
}

@media (max-width: 820px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-create-card {
    position: static;
  }

  .table-wrap[data-responsive-table] {
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .table-wrap[data-responsive-table] .table {
    display: block;
    width: 100%;
    min-width: 0;
  }

  .table-wrap[data-responsive-table] thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
  }

  .table-wrap[data-responsive-table] tbody {
    display: grid;
    gap: 12px;
  }

  .table-wrap[data-responsive-table] tbody tr {
    display: grid;
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--ui-border);
    border-radius: 15px;
    background: rgba(255, 255, 255, .86);
    box-shadow: 0 5px 16px rgba(37, 52, 77, .045);
  }

  .table-wrap[data-responsive-table] tbody td {
    display: grid;
    grid-template-columns: minmax(96px, 30%) minmax(0, 1fr);
    gap: 6px 12px;
    align-items: start;
    width: 100%;
    min-width: 0;
    max-width: none;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(41, 61, 89, .08);
    white-space: normal;
  }

  .table-wrap[data-responsive-table] tbody td::before {
    content: attr(data-label);
    grid-column: 1;
    color: #526176;
    font-size: 13px;
    font-weight: 750;
    line-height: 1.45;
  }

  .table-wrap[data-responsive-table] tbody td > * {
    grid-column: 2;
    min-width: 0;
  }

  .table-wrap[data-responsive-table] tbody td:last-child {
    border-bottom: 0;
  }

  .table-wrap[data-responsive-table] tbody td[colspan] {
    display: block;
    padding: 22px 14px;
  }

  .table-wrap[data-responsive-table] tbody td[colspan]::before {
    display: none;
  }

  .table-wrap[data-responsive-table] .table-cell-actions::before {
    grid-row: 1 / span 20;
  }

  .table-wrap[data-responsive-table] .table-cell-actions > .actions,
  .table-wrap[data-responsive-table] .table-cell-actions > .row {
    width: 100%;
  }

  .description-cell,
  .question-stem-cell,
  .record-person-cell,
  .log-detail {
    min-width: 0;
    max-width: none;
  }
}

@media (max-width: 600px) {
  body {
    background: #f7f8fa;
  }

  .shell {
    padding-top: calc(12px + env(safe-area-inset-top));
    padding-right: calc(14px + env(safe-area-inset-right));
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
    padding-left: calc(14px + env(safe-area-inset-left));
  }

  .mobile {
    min-height: 100dvh;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .topbar {
    align-items: flex-start;
    padding: 13px 14px;
    border-radius: 18px;
  }

  #app:not(.mobile) .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-session {
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .admin-session .muted {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .card {
    padding: 17px;
    border-radius: 20px;
  }

  .login {
    margin-top: max(6vh, env(safe-area-inset-top));
    padding: 22px 19px;
    border-radius: 24px;
  }

  .input {
    font-size: 16px;
  }

  .btn {
    min-height: 46px;
  }

  .points-overview,
  .result-hero {
    grid-template-columns: 1fr;
  }

  .points-overview__metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .points-metric--primary {
    grid-column: 1 / -1;
  }

  #app[data-view="dashboard"] .course-library__head {
    align-items: flex-start;
  }

  #app[data-view="dashboard"] .course-library-card__summary {
    padding-top: 12px;
  }

  .course-latest-result {
    align-items: stretch;
    flex-direction: column;
  }

  .latest-result {
    width: 100%;
  }

  .leaderboard-row {
    grid-template-columns: 44px minmax(0, 1fr) minmax(82px, auto);
    gap: 5px 9px;
  }

  .leaderboard-rank {
    grid-row: 1 / span 2;
  }

  .leaderboard-name {
    grid-column: 2;
    grid-row: 1;
  }

  .leaderboard-stat {
    grid-column: 2;
    grid-row: 2;
    justify-items: start;
    text-align: left;
  }

  .leaderboard-stat--points {
    grid-column: 3;
    grid-row: 1 / span 2;
    align-self: center;
    justify-items: end;
    text-align: right;
  }

  .result-stamp {
    justify-self: start;
    width: 116px;
    min-height: 116px;
  }

  .result-snapshot,
  .result-ribbon {
    grid-column: 1;
  }

  .result-snapshot {
    grid-template-columns: 1fr;
  }

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

  .question-result-grid {
    grid-template-columns: 1fr;
  }

  .exam-submit-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .exam-submit-actions .btn {
    width: 100%;
  }

  .pagination {
    align-items: stretch;
  }

  .document-viewer {
    padding: 10px;
    border-radius: 18px;
  }

  .document-viewer__stage {
    border-radius: 15px;
  }

  .document-viewer__controls {
    padding: 2px;
    background: transparent;
  }
}

@media (max-width: 420px) {
  .shell {
    padding-top: calc(9px + env(safe-area-inset-top));
    padding-right: calc(10px + env(safe-area-inset-right));
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
    padding-left: calc(10px + env(safe-area-inset-left));
  }

  .topbar {
    padding: 12px;
  }

  .card {
    padding: 14px;
    border-radius: 18px;
  }

  .login {
    padding: 20px 16px;
  }

  .points-overview__metrics,
  .leaderboard-current,
  .result-ribbon {
    grid-template-columns: 1fr 1fr;
  }

  .points-metric--primary,
  .leaderboard-current > div:first-child,
  .result-ribbon > div:first-child {
    grid-column: 1 / -1;
  }

  .leaderboard-panel {
    padding-right: 12px;
    padding-left: 12px;
  }

  #app[data-view="dashboard"] .course-library__head {
    margin-right: 1px;
    margin-left: 1px;
  }

  #app[data-view="dashboard"] .course-library__head .muted {
    font-size: 12px;
  }

  #app[data-view="dashboard"] .course-library-card {
    grid-template-columns: 100px minmax(0, 1fr);
  }

  #app[data-view="dashboard"] .course-cover {
    min-height: 176px;
  }

  #app[data-view="dashboard"] .course-cover-placeholder {
    padding: 12px 10px;
  }

  #app[data-view="dashboard"] .course-library-card__summary {
    padding-right: 10px;
    padding-left: 10px;
  }

  #app[data-view="dashboard"] .course-library-card__summary .course-title {
    font-size: 16px;
  }

  #app[data-view="dashboard"] .course-facts {
    margin-right: 10px;
    margin-left: 10px;
  }

  #app[data-view="dashboard"] .course-library-card .course-actions {
    padding-right: 10px;
    padding-left: 10px;
  }

  #app[data-view="dashboard"] .course-library-card .course-latest-result {
    margin-right: 10px;
    margin-left: 10px;
  }

  #app[data-view="dashboard"] .leaderboard-toggle {
    grid-template-columns: 42px minmax(0, 1fr) auto 18px;
    gap: 8px;
    padding-right: 11px;
    padding-left: 11px;
  }

  #app[data-view="dashboard"] .leaderboard-toggle__icon {
    width: 42px;
    height: 42px;
  }

  #app[data-view="dashboard"] .leaderboard-content {
    padding-right: 12px;
    padding-left: 12px;
  }

  .leaderboard-head {
    align-items: stretch;
    flex-direction: column;
  }

  .leaderboard-head .badge {
    align-self: flex-start;
  }

  .leaderboard-row {
    grid-template-columns: 38px minmax(0, 1fr) minmax(72px, auto);
    padding: 9px;
  }

  .leaderboard-rank {
    width: 34px;
    min-height: 34px;
  }

  .leaderboard-current {
    bottom: max(5px, env(safe-area-inset-bottom));
  }

  .result-snapshot > div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .result-score .score-value {
    font-size: 48px;
  }

  .result-analysis-link {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .table-wrap[data-responsive-table] tbody td {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .table-wrap[data-responsive-table] tbody td::before,
  .table-wrap[data-responsive-table] tbody td > * {
    grid-column: 1;
  }

  .table-wrap[data-responsive-table] .table-cell-actions::before {
    grid-row: auto;
  }

  .table-wrap[data-responsive-table] .table-cell-actions .actions,
  .table-wrap[data-responsive-table] .table-cell-actions.row {
    align-items: stretch;
  }

  .table-wrap[data-responsive-table] .table-cell-actions .btn {
    flex: 1 1 120px;
  }

  .exam-submit-actions {
    grid-template-columns: 1fr;
  }

  .document-viewer__page-label {
    gap: 3px;
  }

  .document-viewer__page-input {
    width: 60px;
  }
}

@media (min-width: 601px) {
  .mobile {
    min-height: calc(100dvh - 32px);
    margin-top: 16px;
    margin-bottom: 16px;
    border-radius: 30px;
    box-shadow: 0 30px 80px rgba(38, 54, 79, .14), 0 3px 10px rgba(38, 54, 79, .06);
  }

  #app.mobile[data-view="dashboard"] {
    --student-shell-max: 840px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    align-content: start;
    gap: 16px;
  }

  #app[data-view="dashboard"] .leaderboard-toggle {
    grid-template-columns: 44px minmax(0, 1fr) auto auto 20px;
  }

  #app[data-view="dashboard"] .leaderboard-toggle__hint {
    display: block;
  }

  #app.mobile[data-view="course"],
  #app.mobile[data-view="attempt"],
  #app.mobile[data-view="result"] {
    --student-shell-max: 960px;
  }

  #app[data-view="dashboard"] > .topbar,
  #app[data-view="dashboard"] > .empty,
  #app[data-view="dashboard"] > .dashboard-wide {
    grid-column: 1 / -1;
  }

  #app[data-view="dashboard"] > .topbar,
  #app[data-view="dashboard"] > .course-card {
    margin-bottom: 0;
  }

  #app[data-view="dashboard"] > .course-card {
    height: 100%;
  }
}

@media (min-width: 720px) {
  #app[data-view="dashboard"] .course-library-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 350px) {
  #app[data-view="dashboard"] .course-library-card {
    grid-template-columns: 90px minmax(0, 1fr);
  }

  #app[data-view="dashboard"] .course-cover-placeholder strong {
    font-size: 15px;
  }

  #app[data-view="dashboard"] .course-library-card .course-actions {
    grid-template-columns: 1fr;
  }

  #app[data-view="dashboard"] .leaderboard-toggle {
    grid-template-columns: 38px minmax(0, 1fr) auto 16px;
    gap: 7px;
    padding-right: 9px;
    padding-left: 9px;
  }

  #app[data-view="dashboard"] .leaderboard-toggle__icon {
    width: 38px;
    height: 38px;
  }

  #app[data-view="dashboard"] .leaderboard-toggle__summary span {
    display: none;
  }

  #app[data-view="dashboard"] .leaderboard-toggle__points b {
    font-size: 18px;
  }
}

@media (orientation: landscape) and (max-height: 520px) {
  .shell {
    padding-top: calc(8px + env(safe-area-inset-top));
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
  }

  .login {
    margin-top: 0;
    margin-bottom: 0;
  }

  .document-viewer:fullscreen,
  .document-viewer:-webkit-full-screen,
  .document-viewer.is-document-fullscreen {
    gap: 6px;
    padding-top: calc(6px + env(safe-area-inset-top));
    padding-right: calc(6px + env(safe-area-inset-right));
    padding-bottom: calc(6px + env(safe-area-inset-bottom));
    padding-left: calc(6px + env(safe-area-inset-left));
  }

  .document-viewer:fullscreen .document-viewer__header > div:first-child,
  .document-viewer:-webkit-full-screen .document-viewer__header > div:first-child,
  .document-viewer.is-document-fullscreen .document-viewer__header > div:first-child {
    display: none;
  }

  .document-viewer:fullscreen .document-viewer__header,
  .document-viewer:-webkit-full-screen .document-viewer__header,
  .document-viewer.is-document-fullscreen .document-viewer__header {
    min-height: 44px;
    justify-content: flex-end;
  }

  .document-viewer:fullscreen .document-viewer__controls,
  .document-viewer:-webkit-full-screen .document-viewer__controls,
  .document-viewer.is-document-fullscreen .document-viewer__controls {
    display: grid;
    grid-template-columns: minmax(92px, 1fr) minmax(112px, auto) minmax(92px, 1fr);
    gap: 6px;
  }

  .document-viewer:fullscreen .document-viewer__controls [data-document-prev],
  .document-viewer:-webkit-full-screen .document-viewer__controls [data-document-prev],
  .document-viewer.is-document-fullscreen .document-viewer__controls [data-document-prev] {
    grid-column: 1;
    grid-row: 1;
  }

  .document-viewer:fullscreen .document-viewer__page-label,
  .document-viewer:-webkit-full-screen .document-viewer__page-label,
  .document-viewer.is-document-fullscreen .document-viewer__page-label {
    grid-column: 2;
    grid-row: 1;
  }

  .document-viewer:fullscreen .document-viewer__page-total,
  .document-viewer:-webkit-full-screen .document-viewer__page-total,
  .document-viewer.is-document-fullscreen .document-viewer__page-total {
    display: none;
  }

  .document-viewer:fullscreen .document-viewer__controls [data-document-next],
  .document-viewer:-webkit-full-screen .document-viewer__controls [data-document-next],
  .document-viewer.is-document-fullscreen .document-viewer__controls [data-document-next] {
    grid-column: 3;
    grid-row: 1;
  }
}

.chapter-speech {
  display: grid;
  gap: 12px;
  min-width: 0;
  margin: 12px 0 18px;
  padding: 12px;
  border: 1px solid #dce8f4;
  border-radius: 18px;
  color: #10233f;
  background: linear-gradient(112deg, rgba(246, 242, 234, .9), rgba(237, 243, 255, .84));
}

.chapter-speech__primary,
.chapter-speech__tools,
.chapter-speech__transport,
.chapter-speech__progress {
  min-width: 0;
}

.chapter-speech__primary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.chapter-speech__toggle,
.chapter-speech__icon-button,
.chapter-speech__continuous {
  min-height: 44px;
  border: 1px solid rgba(21, 94, 239, .2);
  color: #155eef;
  background: rgba(255, 255, 255, .86);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform 150ms var(--ui-ease-out), opacity 150ms ease-out;
}

.chapter-speech__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 142px;
  padding: 9px 14px;
  border-radius: 14px;
  font-weight: 800;
  box-shadow: 0 7px 16px rgba(21, 94, 239, .12);
}

.chapter-speech__toggle-icon,
.chapter-speech__toggle-icon svg,
.chapter-speech__icon-button svg,
.chapter-speech__continuous svg {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
}

.chapter-speech__toggle.is-playing {
  border-color: #155eef;
  color: #fff;
  background: #155eef;
}

.chapter-speech__toggle.is-loading .chapter-speech__toggle-icon {
  opacity: .62;
  transform: scale(.94);
}

.chapter-speech__status {
  margin: 0;
  color: #526176;
  font-size: 13px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.chapter-speech__status.is-error {
  color: #b42318;
}

.chapter-speech__tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chapter-speech__transport {
  display: inline-flex;
  gap: 6px;
}

.chapter-speech__icon-button {
  display: inline-grid;
  place-items: center;
  flex: 0 0 44px;
  width: 44px;
  padding: 0;
  border-radius: 12px;
}

.chapter-speech__continuous {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 120px;
  padding: 8px 11px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
}

.chapter-speech__continuous strong {
  min-width: 24px;
  padding: 2px 6px;
  border-radius: 999px;
  color: #fff;
  background: #15803d;
  text-align: center;
}

.chapter-speech__continuous[aria-pressed="false"] strong {
  color: #526176;
  background: #dce8f4;
}

.chapter-speech__progress {
  display: grid;
  grid-template-columns: minmax(80px, 1fr) auto;
  align-items: center;
  gap: 8px;
  flex: 1 1 150px;
  color: #526176;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.chapter-speech__progress progress {
  width: 100%;
  height: 8px;
  border: 0;
  border-radius: 999px;
  overflow: hidden;
  color: #155eef;
  background: #dce8f4;
  accent-color: #155eef;
}

.chapter-speech__progress progress::-webkit-progress-bar {
  border-radius: 999px;
  background: #dce8f4;
}

.chapter-speech__progress progress::-webkit-progress-value {
  border-radius: 999px;
  background: #155eef;
}

.chapter-speech__progress progress::-moz-progress-bar {
  border-radius: 999px;
  background: #155eef;
}

.chapter-speech__fallback {
  width: 100%;
  min-height: 44px;
}

.chapter-speech__fallback[hidden] {
  display: none;
}

.speech-status-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin: 12px 0 16px;
  padding: 12px 14px;
  border: 1px solid #dce8f4;
  border-radius: 16px;
  color: #10233f;
  background: rgba(246, 242, 234, .72);
}

.speech-status-strip__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.speech-status-strip__summary p {
  margin: 3px 0 0;
  color: #526176;
  font-size: 13px;
}

[data-course-speech-action-status],
[data-exam-speech-action-status] {
  grid-column: 1 / -1;
  min-width: 0;
  margin: 0;
}

.speech-state-slot {
  display: grid;
  gap: 5px;
  min-width: 128px;
}

.speech-state-badge {
  justify-self: start;
  font-weight: 800;
}

.speech-state-badge.is-ready {
  color: #15803d;
  background: #eaf8ef;
}

.speech-state-badge.is-failed {
  color: #b42318;
  background: #fff0f0;
}

.speech-state-badge.is-running,
.speech-state-badge.is-queued,
.speech-state-badge.is-partial {
  color: #155eef;
  background: #edf3ff;
}

.speech-state-badge.is-stale,
.speech-state-badge.is-missing {
  color: #8a5b00;
  background: #fff5db;
}

.speech-state-detail {
  color: #526176;
  font-size: 12px;
  line-height: 1.45;
}

.speech-state-detail.is-error {
  color: #b42318;
}

.speech-inline-progress {
  width: min(180px, 100%);
  height: 7px;
  border: 0;
  border-radius: 999px;
  overflow: hidden;
  accent-color: #155eef;
}

.speech-retry-action {
  justify-self: start;
}

@media (min-width: 601px) {
  .chapter-speech {
    grid-template-columns: minmax(260px, 1.15fr) minmax(360px, 1fr);
    align-items: center;
  }
}

@media (max-width: 600px) {
  .chapter-speech__primary {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .chapter-speech__toggle {
    width: 100%;
  }

  .chapter-speech__tools {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(118px, auto);
    gap: 8px;
  }

  .chapter-speech__transport {
    display: grid;
    grid-template-columns: repeat(3, minmax(44px, 1fr));
  }

  .chapter-speech__icon-button,
  .chapter-speech__continuous {
    width: 100%;
  }

  .chapter-speech__progress {
    grid-column: 1 / -1;
  }

  .speech-status-strip {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .speech-status-strip .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* V0.3.28: 紧凑资料库卡片与礼仪化成果证书。 */
#app[data-view="dashboard"] .course-library-card {
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  align-items: stretch;
  min-height: 0;
}

#app[data-view="dashboard"] .course-library-card > .course-cover {
  grid-column: 1;
  grid-row: 1;
  min-height: 0;
  height: auto;
}

#app[data-view="dashboard"] .course-library-card__body {
  display: grid;
  grid-column: 2;
  grid-row: 1;
  grid-template-rows: auto auto auto;
  align-content: start;
  gap: 4px;
  min-width: 0;
  padding: 7px;
}

#app[data-view="dashboard"] .course-library-card__summary {
  padding: 0;
}

#app[data-view="dashboard"] .course-library-card__top {
  flex-wrap: nowrap;
  gap: 4px;
  margin-bottom: 4px;
}

#app[data-view="dashboard"] .course-library-card__top .badge {
  min-width: 0;
  padding: 3px 6px;
  font-size: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#app[data-view="dashboard"] .course-library-card__summary .course-title {
  display: -webkit-box;
  margin-bottom: 3px;
  overflow: hidden;
  font-size: 15px;
  line-height: 1.25;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

#app[data-view="dashboard"] .course-library-card__description {
  display: -webkit-box;
  margin-bottom: 4px;
  overflow: hidden;
  font-size: 11px;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

#app[data-view="dashboard"] .course-study-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 5px;
  margin: 0;
}

#app[data-view="dashboard"] .course-study-total strong {
  font-size: 11px;
  white-space: nowrap;
}

#app[data-view="dashboard"] .course-facts {
  grid-column: auto;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  margin: 0;
}

#app[data-view="dashboard"] .course-facts > div {
  min-height: 34px;
  padding: 3px 4px;
  border-radius: 7px 3px 7px 3px;
}

#app[data-view="dashboard"] .course-facts dt {
  font-size: 9px;
  line-height: 1.15;
}

#app[data-view="dashboard"] .course-facts dd {
  overflow: hidden;
  font-size: 11px;
  line-height: 1.18;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#app[data-view="dashboard"] .course-facts .course-fact--wide {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
}

#app[data-view="dashboard"] .course-facts .course-fact--wide dd {
  flex: 1;
  text-align: right;
}

#app[data-view="dashboard"] .course-library-card .course-actions {
  grid-column: auto;
  gap: 5px;
  padding: 0;
}

#app[data-view="dashboard"] .course-library-card .course-actions.has-latest-result {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#app[data-view="dashboard"] .course-library-card .course-actions .btn {
  min-height: 44px;
  min-width: 0;
  padding: 6px 2px;
  font-size: 11px;
  line-height: 1.15;
  overflow-wrap: anywhere;
  white-space: normal;
}

#app[data-view="dashboard"] .course-library-card .course-latest-result {
  grid-column: auto;
  align-items: center;
  gap: 5px;
  margin: 0;
  padding-top: 5px;
}

#app[data-view="dashboard"] .course-library-card .course-latest-result > div {
  display: none;
}

#app[data-view="dashboard"] .course-library-card .latest-result {
  width: 100%;
  min-height: 44px;
  padding: 6px 2px;
  font-size: 11px;
}

#app[data-view="dashboard"] .leaderboard-content {
  opacity: 0;
  transform: translate3d(0, -8px, 0);
  transition: opacity 180ms var(--ui-ease-out), transform 180ms var(--ui-ease-out);
}

#app[data-view="dashboard"] .leaderboard-content.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.result-hero--certificate {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 30px 26px 24px;
  border-color: #b68a3a;
  background:
    radial-gradient(circle at 16% 84%, rgba(182, 138, 58, .13) 0 1px, transparent 1.5px) 0 0 / 14px 14px,
    radial-gradient(circle at 84% 16%, rgba(122, 90, 30, .1) 0 1px, transparent 1.5px) 0 0 / 18px 18px,
    #f6f2ea;
}

.result-certificate__outer-rule,
.result-certificate__inner-rule {
  position: absolute;
  pointer-events: none;
}

.result-certificate__outer-rule {
  inset: 8px;
  border: 1px solid rgba(122, 90, 30, .65);
}

.result-certificate__inner-rule {
  inset: 14px;
  border: 1px solid rgba(182, 138, 58, .42);
}

.result-certificate__head,
.result-certificate__body,
.result-certificate .result-ribbon,
.result-certificate .result-highest,
.result-certificate .result-reason,
.result-certificate .result-analysis-link {
  position: relative;
  z-index: 1;
}

.result-certificate__head {
  display: grid;
  justify-items: center;
  gap: 7px;
  text-align: center;
}

.result-certificate .result-hero__eyebrow {
  margin: 0;
  color: #7a5a1e;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
}

.result-certificate .result-hero__title {
  max-width: none;
  color: #5b4227;
  font-family: KaiTi, STKaiti, SimSun, serif;
  font-size: clamp(28px, 7vw, 46px);
  font-weight: 700;
  letter-spacing: .12em;
}

.result-certificate__seal-note {
  margin: 0;
  color: #80653b;
  font-size: 11px;
  letter-spacing: .08em;
}

.result-certificate__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(112px, .36fr);
  gap: 18px;
  align-items: center;
}

.result-certificate__copy {
  min-width: 0;
  color: #5b4227;
}

.result-certificate__recipient {
  margin: 0 0 8px;
  font-family: KaiTi, STKaiti, SimSun, serif;
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 700;
  letter-spacing: .08em;
}

.result-certificate__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.result-certificate__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 12px;
  margin: 14px 0;
}

.result-certificate__facts > div {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 5px;
  min-width: 0;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(122, 90, 30, .2);
}

.result-certificate__facts dt {
  color: #80653b;
  font-size: 11px;
}

.result-certificate__facts dd {
  min-width: 0;
  margin: 0;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.result-certificate__signature {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  padding-top: 9px;
  border-top: 1px solid rgba(122, 90, 30, .42);
  color: #6c5126;
  font-size: 12px;
}

.result-certificate__signature time {
  flex: 0 0 auto;
  font-variant-numeric: tabular-nums;
}

.certificate-art {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 150px);
  aspect-ratio: 1;
  justify-self: end;
  overflow: hidden;
  border: 1px solid rgba(122, 90, 30, .45);
  border-radius: 50%;
  background: rgba(255, 252, 243, .76);
}

.certificate-art img,
.certificate-art__fallback,
.certificate-art__fallback svg {
  display: block;
  width: 100%;
  height: 100%;
}

.certificate-art img {
  object-fit: cover;
}

.certificate-art img[hidden],
.certificate-art__fallback[hidden] {
  display: none;
}

.result-certificate .result-ribbon {
  grid-column: auto;
  border: 1px solid rgba(122, 90, 30, .28);
}

.result-certificate .result-ribbon > div {
  background: #5b4227;
}

.result-certificate .result-highest {
  border-left-color: #b68a3a;
  background: rgba(255, 252, 243, .74);
}

@media (max-width: 350px) {
  #app[data-view="dashboard"] .course-library-card {
    min-height: 0;
  }

  #app[data-view="dashboard"] .course-library-card .course-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #app[data-view="dashboard"] .course-library-card .course-actions.has-latest-result {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .result-certificate {
    padding: 26px 20px 21px;
  }

  .result-certificate__body {
    grid-template-columns: minmax(0, 1fr) 94px;
    gap: 10px;
  }

  .certificate-art {
    width: 94px;
  }

  .result-certificate__facts {
    grid-template-columns: 1fr;
  }

  .result-certificate__signature {
    align-items: start;
    flex-direction: column;
    gap: 3px;
  }
}