:root {
  font-family: 'Segoe UI Variable', 'Segoe UI', Arial, sans-serif;
  font-size: 14px;
  --ui-bg: #f6f8f5;
  --ui-surface: #fff;
  --ui-soft: #eef3ee;
  --ui-ink: #1e2c24;
  --ui-muted: #586b5f;
  --ui-line: #dce6dd;
  --ui-accent: #245f43;
  --ui-accent-hover: #194a33;
  --ui-accent-soft: #e7f1e8;
  --ui-shadow: 0 1px 2px rgb(27 50 33 / 5%);
  --green: var(--ui-accent);
  --muted: var(--ui-muted);
  --border: var(--ui-line);
}

html {
  scroll-behavior: smooth;
}
body {
  background: var(--ui-bg);
  color: var(--ui-ink);
  line-height: 1.5;
}
button,
input,
select,
textarea {
  font: inherit;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid #5da67d;
  outline-offset: 3px;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ui-ink);
  color: var(--ui-surface);
  border-radius: 8px;
}
.skip-link:focus {
  top: 12px;
}

.site-header {
  background: var(--ui-surface);
  border-color: var(--ui-line);
}
.header-inner,
.app-shell {
  max-width: 1280px;
  padding-left: 36px;
  padding-right: 36px;
}
.header-inner {
  height: 76px;
}
.brand {
  color: var(--ui-ink);
  font-size: 25px;
  letter-spacing: -0.9px;
}
.brand-caption {
  color: var(--ui-muted);
  font-size: 13px;
}
.header-action {
  min-height: 38px;
  padding: 8px 12px;
  background: var(--ui-surface);
  color: var(--ui-ink);
  border-color: var(--ui-line);
  font-size: 13px;
}
.header-action:hover {
  background: var(--ui-soft);
}
.lang-switch {
  background: var(--ui-soft);
}
.lang-switch button {
  font-size: 12px;
  min-width: 34px;
}

.tabs {
  gap: 8px;
  min-height: 72px;
  border-color: var(--ui-line);
}
.tab {
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--ui-muted);
  font-size: 13px;
  font-weight: 500;
}
.tab:hover {
  background: var(--ui-soft);
  color: var(--ui-ink);
}
.tab.active,
.tab[aria-current='page'] {
  color: var(--ui-accent);
  background: var(--ui-accent-soft);
  border-color: #c8decb;
  font-weight: 650;
}
.dataset-status {
  padding: 7px 10px;
  border: 1px solid var(--ui-line);
  border-radius: 7px;
  background: var(--ui-surface);
  font-size: 12px;
  white-space: nowrap;
}
.page-heading {
  padding: 38px 0 24px;
}
.page-heading h1 {
  font-size: clamp(30px, 3vw, 38px);
  font-weight: 650;
  letter-spacing: -1.2px;
}
.page-heading p {
  max-width: 720px;
  margin-top: 8px;
  color: var(--ui-muted);
  font-size: 15px;
  line-height: 1.55;
}
h2 {
  font-size: 17px;
  font-weight: 650;
}
h3 {
  font-size: 14px;
  font-weight: 650;
}
.muted {
  color: var(--ui-muted);
  font-size: 13px;
}

.camera-panel,
.result-panel,
.phrase-list-panel,
.sample-panel,
.eval-card,
.lesson-summary,
.lesson-detail,
.account-card,
.admin-card,
.lesson-card {
  background: var(--ui-surface);
  border: 1px solid var(--ui-line);
  border-radius: 12px;
  box-shadow: var(--ui-shadow);
}
.workspace {
  grid-template-columns: minmax(0, 1.72fr) minmax(290px, 1fr);
  gap: 20px;
}
.camera-panel {
  padding: 20px;
}
.panel-heading {
  margin-bottom: 14px;
}
.camera-state {
  color: var(--ui-muted);
  font-size: 12px;
}
.camera-state.connected {
  color: var(--ui-accent);
  font-weight: 600;
}
.camera-wrap {
  height: clamp(280px, 42vh, 470px);
  background: #e9eee9;
  border-radius: 9px;
}
.camera-placeholder {
  background: #ebf0eb;
  gap: 10px;
}
.camera-placeholder svg {
  width: 52px;
  height: 52px;
  color: #7c9180;
}
.camera-placeholder strong {
  color: var(--ui-ink);
  font-size: 17px;
  font-weight: 600;
}
.camera-placeholder span {
  color: var(--ui-muted);
  font-size: 13px;
}
.camera-controls {
  gap: 10px;
  padding-top: 16px;
}
.camera-controls .record-hint {
  color: var(--ui-muted);
  font-size: 12px;
}
.button {
  min-height: 42px;
  padding: 10px 15px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
}
.primary {
  background: var(--ui-accent);
  color: #fff;
}
.primary:hover:not(:disabled) {
  background: var(--ui-accent-hover);
}
.outline {
  background: var(--ui-surface);
  color: var(--ui-ink);
  border-color: var(--ui-line);
}
.outline:hover:not(:disabled) {
  background: var(--ui-soft);
}
.quiet:hover {
  background: var(--ui-soft);
}
.button:disabled {
  opacity: 0.55;
}
.camera-tools .button {
  min-height: 36px;
  font-size: 12px;
}
.tracking-area {
  border-color: var(--ui-line);
  margin-top: 16px;
  padding-top: 14px;
}
.tracking-control p,
.tracking-info {
  color: var(--ui-muted);
  font-size: 12px;
}
.tracking-legend {
  color: var(--ui-muted);
  font-size: 11px;
}
.record-badge {
  padding: 9px 12px;
  font-size: 12px;
}

.result-panel {
  padding: 23px;
}
.result {
  min-height: 175px;
  padding-top: 27px;
}
.result-caption {
  color: var(--ui-muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.result strong {
  color: var(--ui-ink);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.25;
}
.result p {
  color: var(--ui-muted);
  font-size: 13px;
  line-height: 1.55;
}
#resultActionButton {
  margin-top: 2px;
}
#resultActionButton,
#useRecordingButton,
#backToLessonButton {
  text-align: center;
}
.help-panel {
  margin-top: 16px;
  padding: 21px 23px;
  background: var(--ui-surface);
  border: 1px solid var(--ui-line);
  border-radius: 12px;
}
.help-panel h3 {
  font-size: 14px;
}
.help-panel ol {
  margin: 14px 0;
  color: var(--ui-muted);
  font-size: 13px;
}
.help-panel li {
  margin-bottom: 7px;
}
.text-button {
  color: var(--ui-accent);
  font-size: 13px;
}
.privacy-note {
  color: var(--ui-muted);
  font-size: 12px;
  padding-top: 17px;
}

.feedback:not(:empty) {
  position: sticky;
  top: 12px;
  z-index: 20;
  max-width: 760px;
  padding: 13px 16px;
  background: #e8f3e9;
  border: 1px solid #c4dfca;
  border-radius: 9px;
  color: #245f43;
  box-shadow: 0 6px 22px rgb(22 43 29 / 11%);
  font-size: 13px;
}
.feedback.error {
  background: #fff1ed;
  border-color: #edc7bd;
  color: #8d352b;
}

.dataset-layout {
  gap: 20px;
}
.dataset-layout:has(.sample-panel[hidden]) {
  grid-template-columns: 1fr;
}
.phrase-list-panel,
.sample-panel,
.eval-card {
  padding: 24px;
}
.phrase-create {
  margin: 3px 0 16px;
}
.phrase-create summary {
  display: inline-flex;
  list-style: none;
  cursor: pointer;
}
.phrase-create summary::-webkit-details-marker {
  display: none;
}
.phrase-create summary::before {
  content: '+';
  font-size: 18px;
  line-height: 14px;
  font-weight: 400;
}
.phrase-create[open] summary {
  background: var(--ui-accent-soft);
  border-color: #9dc8a9;
  color: var(--ui-accent);
}
.phrase-create-fields {
  margin-top: 15px;
  padding: 3px 0 17px;
  border-bottom: 1px solid var(--ui-line);
}
.phrase-create-fields .field-label {
  margin-top: 12px;
}
.phrase-create-fields .muted {
  margin-top: 12px;
  line-height: 1.5;
}
.phrase-create-fields .button {
  margin-top: 13px;
}
.phrase-card {
  min-height: 69px;
  border-color: var(--ui-line);
}
.phrase-card:hover,
.phrase-card.selected {
  background: var(--ui-accent-soft);
}
.phrase-card strong {
  font-size: 14px;
  font-weight: 600;
}
.phrase-card small {
  color: var(--ui-muted);
  font-size: 12px;
}
.field-label {
  color: var(--ui-muted);
  font-size: 13px;
  font-weight: 600;
}
select,
.text-input,
textarea {
  border-color: var(--ui-line);
  background: var(--ui-surface);
  color: var(--ui-ink);
  border-radius: 7px;
  font-size: 14px;
}
.sample-help,
.section-note {
  color: var(--ui-muted);
  font-size: 13px;
}
.file-note {
  color: var(--ui-muted);
  font-size: 11px;
}
.eval-empty p,
.eval-actions span,
.eval-line,
.eval-result {
  color: var(--ui-muted);
  font-size: 13px;
}
.eval-summary {
  color: var(--ui-accent);
  font-size: 15px;
}

.lesson-summary {
  padding: 20px 24px;
}
.lesson-summary strong {
  color: var(--ui-accent);
  font-size: 24px;
}
.lesson-layout {
  gap: 20px;
}
.lesson-card {
  min-height: 78px;
  padding: 17px 20px;
}
.lesson-card:hover,
.lesson-card.selected {
  background: var(--ui-accent-soft);
  border-color: #9dc8a9;
}
.lesson-card strong {
  font-size: 15px;
}
.lesson-card small {
  color: var(--ui-muted);
  font-size: 12px;
}
.lesson-detail {
  padding: 29px;
}
.lesson-detail h2 {
  font-size: 27px;
}
.lesson-placeholder,
.lesson-instructions {
  color: var(--ui-muted);
  font-size: 14px;
}
.lesson-instructions {
  color: var(--ui-ink);
}
.lesson-kicker {
  color: var(--ui-accent);
  font-size: 12px;
}
.account-card,
.admin-card {
  padding: 25px;
}
.email-auth-tabs {
  display: flex;
  gap: 7px;
  margin-bottom: 15px;
}
.email-auth-tabs button {
  flex: 1;
  padding: 9px 10px;
  border: 1px solid var(--ui-line);
  border-radius: 7px;
  background: var(--ui-surface);
  color: var(--ui-muted);
}
.email-auth-tabs button[aria-pressed='true'] {
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  border-color: var(--ui-accent);
  font-weight: 650;
}
.email-auth-form {
  display: grid;
  gap: 8px;
  margin: 12px 0;
}
.email-auth-form .button {
  justify-self: start;
  margin-top: 7px;
}
#emailAuth > .muted {
  margin-top: 9px;
}
#emailLink {
  padding-top: 18px;
  border-top: 1px solid var(--ui-line);
}
.admin-layout {
  gap: 20px;
}
.admin-user-summary,
.admin-progress-label {
  color: var(--ui-muted);
  font-size: 13px;
}
.admin-user-details,
.admin-row-text {
  font-size: 13px;
}
.admin-user-details small {
  font-size: 12px;
}
.admin-sample-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 17px 0 6px;
}
.admin-sample-toolbar .field-label {
  margin: 0;
}
.admin-sample-toolbar select {
  min-width: 190px;
  max-width: 280px;
  padding: 9px 11px;
}
.admin-sample-toolbar .muted {
  margin-left: auto;
}
.admin-sample-row {
  padding: 15px 0;
}
.admin-sample-row .admin-row-text {
  gap: 3px;
}
.admin-sample-row .admin-row-text strong {
  font-size: 14px;
}
.admin-sample-row .admin-row-text small {
  font-size: 12px;
}
.admin-sample-id {
  color: var(--ui-muted);
  font-variant-numeric: tabular-nums;
}
.role-label {
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  font-size: 12px;
}
.progress-track {
  background: var(--ui-soft);
}
.progress-track span {
  background: #398362;
}
.practice-notice {
  color: var(--ui-accent);
  background: var(--ui-accent-soft);
  font-size: 13px;
}
footer {
  color: var(--ui-muted);
  font-size: 12px;
}

:root[data-theme='dark'] {
  color-scheme: dark;
  --ui-bg: #121a16;
  --ui-surface: #1c2820;
  --ui-soft: #27372b;
  --ui-ink: #edf4ee;
  --ui-muted: #b4c6b8;
  --ui-line: #395143;
  --ui-accent: #a7dbb5;
  --ui-accent-hover: #3d8b5b;
  --ui-accent-soft: #2b4532;
  --ui-shadow: none;
  --green: var(--ui-accent);
  --muted: var(--ui-muted);
  --border: var(--ui-line);
}
[data-theme='dark'] body {
  background: var(--ui-bg);
  color: var(--ui-ink);
}
[data-theme='dark'] .site-header,
[data-theme='dark'] .camera-panel,
[data-theme='dark'] .result-panel,
[data-theme='dark'] .phrase-list-panel,
[data-theme='dark'] .sample-panel,
[data-theme='dark'] .eval-card,
[data-theme='dark'] .lesson-summary,
[data-theme='dark'] .lesson-detail,
[data-theme='dark'] .lesson-card,
[data-theme='dark'] .account-card,
[data-theme='dark'] .admin-card,
[data-theme='dark'] .help-panel {
  background: var(--ui-surface);
  color: var(--ui-ink);
}
[data-theme='dark'] .header-action,
[data-theme='dark'] .outline,
[data-theme='dark'] select,
[data-theme='dark'] .text-input,
[data-theme='dark'] textarea {
  background: var(--ui-surface);
  border-color: var(--ui-line);
  color: var(--ui-ink);
}
[data-theme='dark'] .header-action:hover,
[data-theme='dark'] .outline:hover:not(:disabled),
[data-theme='dark'] .quiet:hover {
  background: var(--ui-soft);
}
[data-theme='dark'] .tab {
  color: var(--ui-muted);
}
[data-theme='dark'] .tab:hover {
  background: var(--ui-soft);
  color: var(--ui-ink);
}
[data-theme='dark'] .tab.active {
  color: var(--ui-accent);
  background: var(--ui-accent-soft);
  border-color: #4c7054;
}
[data-theme='dark'] .camera-placeholder {
  background: #28392d;
}
[data-theme='dark'] .camera-placeholder strong,
[data-theme='dark'] .result strong {
  color: var(--ui-ink);
}
[data-theme='dark'] .camera-placeholder span,
[data-theme='dark'] .result p {
  color: var(--ui-muted);
}
[data-theme='dark'] .primary {
  background: #3f805b;
  color: #fff;
}
[data-theme='dark'] .primary:hover:not(:disabled) {
  background: #51966b;
}
[data-theme='dark'] .feedback:not(:empty) {
  background: #28402e;
  border-color: #486a50;
  color: #ccebd2;
}
[data-theme='dark'] .feedback.error {
  background: #4b2e29;
  border-color: #7b4a40;
  color: #f2c2b6;
}
[data-theme='dark'] .phrase-card:hover,
[data-theme='dark'] .phrase-card.selected,
[data-theme='dark'] .lesson-card:hover,
[data-theme='dark'] .lesson-card.selected {
  background: var(--ui-accent-soft);
  border-color: #4c7054;
}
[data-theme='dark'] .phrase-create[open] summary {
  background: var(--ui-accent-soft);
  border-color: #4c7054;
  color: var(--ui-accent);
}
[data-theme='dark'] .dataset-status {
  background: var(--ui-surface);
}
[data-theme='dark'] .role-label,
[data-theme='dark'] .practice-notice {
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
}
[data-theme='dark'] .progress-track {
  background: var(--ui-soft);
}

@media (max-width: 900px) {
  .header-inner,
  .app-shell {
    padding-left: 24px;
    padding-right: 24px;
  }
  .workspace,
  .admin-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .result-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .help-panel {
    margin-top: 0;
  }
  .lesson-layout {
    grid-template-columns: 1fr 1.2fr;
  }
}
@media (max-width: 680px) {
  .header-inner,
  .app-shell {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header-inner {
    height: 66px;
  }
  .brand {
    font-size: 22px;
  }
  .header-actions {
    gap: 5px;
  }
  .header-action {
    min-height: 38px;
    padding: 7px 9px;
    font-size: 12px;
  }
  .tabs {
    min-height: 64px;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: thin;
  }
  .tab {
    flex-shrink: 0;
    padding: 9px 11px;
    font-size: 12px;
  }
  .page-heading {
    padding: 28px 0 21px;
  }
  .page-heading h1 {
    font-size: 30px;
  }
  .page-heading p {
    font-size: 14px;
  }
  .camera-panel,
  .result-panel,
  .phrase-list-panel,
  .sample-panel,
  .eval-card,
  .lesson-detail,
  .account-card,
  .admin-card {
    padding: 18px;
  }
  .camera-wrap {
    height: auto;
    min-height: 240px;
    aspect-ratio: 4 / 3;
  }
  .camera-tools {
    gap: 7px;
  }
  .camera-tools .button {
    font-size: 11px;
    padding: 7px 9px;
  }
  .camera-controls .button {
    font-size: 12px;
  }
  .workspace,
  .dataset-layout,
  .lesson-layout,
  .result-column {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .help-panel {
    margin-top: 0;
  }
  .lesson-summary {
    flex-wrap: wrap;
    gap: 12px;
  }
  .lesson-summary > p {
    max-width: none;
    width: 100%;
  }
  .feedback:not(:empty) {
    top: 8px;
  }
}
@media (max-width: 420px) {
  .lang-switch button {
    min-width: 29px;
    padding: 7px 6px;
  }
  .camera-controls .record-hint {
    width: 100%;
  }
  .camera-controls .button {
    flex: 1 1 auto;
  }
  .admin-user-heading {
    flex-wrap: wrap;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Home and primary navigation */
.site-header {
  position: relative;
  z-index: 2;
}
.header-inner {
  max-width: 1240px;
  height: 70px;
  gap: 24px;
}
.brand {
  flex: none;
  gap: 0;
  font-size: 22px;
  font-weight: 750;
  letter-spacing: -1.2px;
}
.brand span {
  color: #258363;
}
.tabs {
  flex: 1;
  justify-content: center;
  gap: 3px;
  min-height: 0;
  border: 0;
}
.tab {
  min-height: 36px;
  padding: 8px 11px;
  border-radius: 7px;
  font-size: 12px;
}
.tab.active,
.tab[aria-current='page'] {
  border-color: transparent;
  background: transparent;
  box-shadow: inset 0 -2px var(--ui-accent);
  border-radius: 0;
}
.header-actions {
  flex: none;
}
#accountButton {
  max-width: 135px;
  overflow: hidden;
  text-overflow: ellipsis;
  background: var(--ui-accent);
  color: #fff;
  border-color: var(--ui-accent);
}
#accountButton:hover {
  background: var(--ui-accent-hover);
}
.dataset-status {
  display: none;
}
.home-panel {
  padding: 34px 0 24px;
}
.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.91fr) minmax(0, 1.09fr);
  gap: 48px;
  align-items: center;
}
.home-intro {
  max-width: 480px;
  padding: 16px 0;
}
.home-eyebrow {
  display: block;
  margin-bottom: 15px;
  color: var(--ui-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.home-intro h1 {
  max-width: 425px;
  font-size: clamp(38px, 4vw, 50px);
  line-height: 1.05;
  letter-spacing: -0.055em;
  font-weight: 700;
}
.home-intro p {
  max-width: 405px;
  margin-top: 15px;
  color: var(--ui-muted);
  font-size: 15px;
  line-height: 1.5;
}
.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 22px;
}
.home-actions .button {
  min-height: 42px;
  padding: 11px 18px;
}
.home-translate-card {
  padding: 14px;
  background: var(--ui-surface);
  border: 1px solid var(--ui-line);
  border-radius: 15px;
  box-shadow: 0 16px 40px rgb(31 68 44 / 6%);
}
.home-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 38px;
  padding: 0 3px 13px;
  font-weight: 700;
}
.home-card-mark {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  color: var(--ui-accent);
  background: var(--ui-accent-soft);
  border-radius: 7px;
}
.home-readiness {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 15px;
  background: var(--ui-soft);
  border-radius: 9px 9px 0 0;
}
.home-readiness i {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: #2cbf83;
  box-shadow: 0 0 0 5px rgb(44 191 131 / 12%);
}
.home-readiness.needs-examples i {
  background: #c99140;
  box-shadow: 0 0 0 5px rgb(201 145 64 / 13%);
}
.home-readiness strong,
.home-readiness small {
  display: block;
}
.home-readiness strong {
  font-size: 13px;
}
.home-readiness small {
  color: var(--ui-muted);
  font-size: 11px;
  margin-top: 2px;
}
.home-translation-preview {
  display: grid;
  align-content: center;
  min-height: 70px;
  margin: 0 0 10px;
  padding: 12px 15px;
  border: 1px solid var(--ui-line);
  border-top: 0;
  border-radius: 0 0 9px 9px;
}
.home-translation-preview span {
  color: var(--ui-muted);
  font-size: 11px;
}
.home-translation-preview strong {
  margin-top: 8px;
  font-size: 15px;
  font-weight: 600;
}
.home-translate-actions {
  display: flex;
  gap: 8px;
}
.home-translate-actions .button {
  flex: 1;
  min-height: 39px;
}
.home-icon-button {
  display: grid;
  place-items: center;
  min-height: 39px;
  padding: 0 12px;
  border: 1px solid var(--ui-line);
  border-radius: 7px;
  background: var(--ui-surface);
  color: var(--ui-ink);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.home-icon-button:hover {
  background: var(--ui-soft);
}
.home-section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin: 36px 0 14px;
}
.home-section-heading h2 {
  font-size: 21px;
  letter-spacing: -0.5px;
}
.home-section-heading p {
  margin-top: 4px;
  color: var(--ui-muted);
  font-size: 12px;
}
.home-section-link {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 0;
  border: 0;
  background: none;
  color: var(--ui-accent);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.home-section-link:hover {
  text-decoration: underline;
}
.home-lesson-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}
.home-lesson {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  min-height: 108px;
  padding: 13px;
  background: var(--ui-surface);
  border: 1px solid var(--ui-line);
  border-radius: 10px;
  text-align: left;
  color: var(--ui-ink);
}
.home-lesson:hover {
  border-color: #73aa86;
  background: var(--ui-accent-soft);
  transform: translateY(-2px);
}
.home-lesson-number {
  color: var(--ui-accent);
  font-size: 11px;
  font-weight: 700;
}
.home-lesson strong {
  margin-top: 8px;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.home-lesson small {
  margin-top: 5px;
  color: var(--ui-muted);
  font-size: 11px;
}
.home-lesson-line {
  display: block;
  width: 100%;
  height: 3px;
  margin-top: auto;
  background: var(--ui-soft);
  border-radius: 3px;
}
.home-lesson-line.completed {
  background: #44a574;
}
.home-features-heading {
  margin-top: 27px;
}
.home-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.home-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  min-height: 74px;
  padding: 13px 16px;
  border: 1px solid var(--ui-line);
  border-radius: 9px;
  background: var(--ui-surface);
  color: var(--ui-ink);
  text-align: left;
}
.home-feature:hover {
  border-color: #73aa86;
  background: var(--ui-accent-soft);
}
.home-feature-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 37px;
  height: 37px;
  border-radius: 8px;
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  font-size: 21px;
}
.home-feature strong,
.home-feature small {
  display: block;
}
.home-feature strong {
  font-size: 13px;
}
.home-feature small {
  margin-top: 3px;
  color: var(--ui-muted);
  font-size: 11px;
  line-height: 1.3;
}
.home-feature-arrow {
  margin-left: auto;
  color: var(--ui-accent);
  font-size: 18px;
}
[data-theme='dark'] .brand span {
  color: #42d5a0;
}
[data-theme='dark'] .tab.active,
[data-theme='dark'] .tab[aria-current='page'] {
  background: transparent;
  border-color: transparent;
  box-shadow: inset 0 -2px var(--ui-accent);
}
[data-theme='dark'] .home-translate-card {
  box-shadow: none;
}
[data-theme='dark'] #accountButton {
  background: #278968;
  border-color: #278968;
  color: #fff;
}
[data-theme='dark'] .home-icon-button,
[data-theme='dark'] .home-lesson,
[data-theme='dark'] .home-feature {
  background: var(--ui-surface);
  color: var(--ui-ink);
}
[data-theme='dark'] .home-lesson:hover,
[data-theme='dark'] .home-feature:hover {
  background: var(--ui-accent-soft);
}
@media (max-width: 1060px) {
  .header-inner {
    gap: 10px;
  }
  .tab {
    padding: 8px 7px;
  }
  .home-hero {
    gap: 24px;
  }
}
@media (max-width: 800px) {
  .header-inner {
    height: auto;
    flex-wrap: wrap;
    padding-top: 12px;
  }
  .tabs {
    order: 3;
    flex: 0 0 100%;
    justify-content: flex-start;
    overflow-x: auto;
    min-height: 45px;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar {
    display: none;
  }
  .header-actions {
    margin-left: auto;
  }
  .home-panel {
    padding-top: 32px;
  }
  .home-hero {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .home-intro {
    max-width: none;
  }
  .home-intro h1 {
    max-width: 600px;
  }
  .home-lesson-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .home-panel {
    padding-top: 24px;
  }
  .home-intro h1 {
    font-size: 42px;
  }
  .home-intro p {
    font-size: 14px;
    margin-top: 14px;
  }
  .home-actions {
    margin-top: 22px;
  }
  .home-section-heading {
    margin-top: 37px;
  }
  .home-lesson-list {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 5px;
  }
  .home-lesson {
    flex: 0 0 148px;
    scroll-snap-align: start;
  }
  .home-features {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .home-features-heading {
    margin-top: 30px;
  }
}