:root {
  --surface: #f9f9f8;
  --surface-low: #f3f4f3;
  --surface-container: #eeeeed;
  --surface-high: #e8e8e7;
  --surface-highest: #e2e2e2;
  --surface-white: #ffffff;
  --ink: #1a1c1c;
  --muted: #5f6762;
  --line: #dfe4df;
  --line-strong: #c1c8c2;
  --primary: #012d1d;
  --primary-soft: #cce6d0;
  --primary-pale: #edf6ef;
  --on-primary-soft: #354c3b;
  --danger: #ba1a1a;
  --danger-soft: #ffdad6;
  --blue-soft: #e8f0f6;
  --amber-soft: #f6edcf;
  --coral-soft: #f5e3dc;
  --shadow-focus: 0 4px 12px rgba(0, 0, 0, 0.05);
  --radius: 8px;
  --sidebar-width: 232px;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  background: var(--surface);
}

body {
  color: var(--ink);
  background: var(--surface);
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease, opacity 160ms ease;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(63, 102, 83, 0.18);
  outline-offset: 2px;
}

svg.lucide {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.app-shell {
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100dvh;
  background: var(--surface);
}

.sidebar {
  position: fixed;
  z-index: 40;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100dvh;
  gap: 24px;
  padding: 24px 16px;
  border-right: 1px solid var(--line);
  background: rgba(249, 249, 248, 0.96);
  backdrop-filter: blur(16px);
}

.brand {
  gap: 10px;
  padding: 0 8px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 0;
  object-fit: contain;
  color: transparent;
  background: transparent;
}

.brand h1 {
  color: var(--primary);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.2;
}

.brand p {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.sidebar > .panel.compact {
  order: 3;
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--surface-white);
  box-shadow: none;
}

.sidebar > .panel.compact h2 {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.sidebar > .panel.compact p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
}

.meter {
  height: 5px;
  background: var(--primary-soft);
}

.meter span {
  background: var(--primary);
}

.mode-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.conversation-nav-group {
  display: contents;
}

.mode-button,
.nav-more > summary {
  display: flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border: 0;
  border-radius: var(--radius);
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
}

.mode-button:hover,
.nav-more > summary:hover {
  color: var(--ink);
  background: var(--surface-high);
}

.mode-button.active {
  color: var(--on-primary-soft);
  background: var(--primary-soft);
}

.mode-button .stage-number {
  display: none;
}

.conversation-sidebar-list {
  max-height: 180px;
  margin: 2px 0 6px 32px;
}

.conversation-sidebar-item {
  border-left-width: 2px;
  padding: 8px 10px;
  background: transparent;
}

.nav-more {
  position: relative;
}

.nav-more > summary {
  cursor: pointer;
  list-style: none;
}

.nav-more > summary::-webkit-details-marker {
  display: none;
}

.nav-more-menu {
  display: grid;
  gap: 2px;
  margin-top: 4px;
  padding-left: 12px;
}

.nav-more:not([open]) .nav-more-menu {
  display: none;
}

.nav-more-menu .mode-button {
  min-height: 38px;
  font-size: 12px;
}

.workspace {
  grid-column: 2;
  min-width: 0;
  padding: 0 40px 64px;
}

.topbar {
  position: sticky;
  z-index: 30;
  top: 0;
  display: grid;
  min-height: 72px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  margin: 0 -40px 32px;
  padding: 12px 40px;
  border-bottom: 1px solid var(--line);
  background: rgba(249, 249, 248, 0.92);
  backdrop-filter: blur(14px);
}

.topbar .eyebrow {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 10px;
}

.topbar h2 {
  color: var(--primary);
  font-size: 20px;
  font-weight: 700;
}

.settings {
  display: flex;
  align-items: center;
  gap: 6px;
}

.settings > .icon-button,
.language-menu > summary {
  display: grid;
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  color: var(--muted);
  background: transparent;
}

.settings > .icon-button:hover,
.language-menu > summary:hover {
  color: var(--primary);
  background: var(--surface-container);
}

.sync-status {
  max-width: 140px;
  overflow: hidden;
  padding: 4px 7px;
  border-radius: 4px;
  color: var(--on-primary-soft);
  background: var(--primary-pale);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.language-menu {
  position: relative;
}

.language-menu > summary {
  cursor: pointer;
  list-style: none;
}

.language-menu > summary::-webkit-details-marker {
  display: none;
}

.language-menu .language-pickers {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  display: grid;
  width: min(340px, calc(100vw - 32px));
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
  box-shadow: 0 16px 36px rgba(15, 34, 25, 0.12);
}

.language-menu:not([open]) .language-pickers {
  display: none;
}

.language-pickers label {
  font-size: 11px;
}

.language-pickers input,
.language-pickers select {
  min-height: 42px;
  margin-top: 5px;
}

.clerk-user-slot {
  min-width: 36px;
  min-height: 36px;
}

.topbar-status {
  position: absolute;
  top: calc(100% + 8px);
  right: 40px;
  max-width: min(520px, calc(100vw - 280px));
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-white);
  box-shadow: var(--shadow-focus);
  font-size: 12px;
}

.topbar-status:empty {
  display: none;
}

.view {
  width: min(1100px, 100%);
  margin-inline: auto;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--surface-white);
  box-shadow: none;
}

.panel:hover {
  border-color: var(--line-strong);
}

.panel-heading {
  margin-bottom: 24px;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  font-weight: 700;
}

.view h3 {
  line-height: 1.25;
}

.eyebrow {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.muted,
.panel p {
  color: var(--muted);
}

select,
input,
textarea {
  border-color: var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-white);
}

select:focus,
input:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(1, 45, 29, 0.08);
}

.primary-button,
.provider-connect-button,
.method-action {
  min-height: 44px;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  color: #fff;
  background: var(--primary);
  font-weight: 700;
}

.primary-button:hover,
.provider-connect-button:hover,
.method-action:hover {
  background: #174332;
}

.secondary-button,
.icon-button,
.text-button {
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--primary);
  background: var(--surface-white);
  font-weight: 650;
}

.secondary-button:hover,
.icon-button:hover {
  border-color: var(--primary);
  background: var(--primary-pale);
}

.danger-button {
  border-color: #efb8b3;
  color: var(--danger);
  background: #fff8f7;
}

/* Home launcher */
.home-dashboard {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.75fr);
  gap: 24px;
}

.home-welcome {
  grid-column: 1 / -1;
  align-items: end;
  padding: 8px 0 16px;
  border: 0;
  background: transparent;
}

.home-welcome h3 {
  margin: 4px 0 6px;
  font-size: 32px;
  line-height: 1.25;
}

.home-language-pair {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
}

.home-recommendation {
  grid-column: 1;
  min-height: 148px;
  align-items: center;
  padding: 24px;
  border: 1px solid #bdd9c3;
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--primary-pale);
}

.home-recommendation h3 {
  margin: 5px 0 6px;
  font-size: 20px;
}

.home-recommendation .eyebrow {
  color: var(--primary);
}

.home-recommendation p {
  color: var(--muted);
}

.home-module-grid {
  grid-column: 1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.home-module {
  position: relative;
  display: grid;
  min-height: 132px;
  align-content: start;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-white);
  text-align: left;
}

.home-module:hover {
  border-color: var(--primary);
  background: var(--primary-pale);
  box-shadow: var(--shadow-focus);
}

.home-module > svg {
  width: 24px;
  height: 24px;
  margin-bottom: 6px;
  color: var(--primary);
}

.home-module-kicker {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
}

.home-module > strong {
  color: var(--ink);
  font-size: 14px;
}

.home-module > small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.tile-conversation,
.tile-starter,
.tile-shadow,
.tile-builder,
.tile-recall,
.tile-sprint,
.tile-driving,
.tile-native,
.tile-library,
.tile-progress,
.tile-plan,
.tile-method {
  background: var(--surface-white);
}

.tile-starter {
  border-color: #bdd9c3;
  background: var(--primary-pale);
}

.tile-builder {
  border-color: #b9d2cd;
  background: #f1f8f6;
}

/* Sentence Builder */
.builder-page {
  display: grid;
  gap: 18px;
}

.builder-setup {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 24px;
  align-items: end;
}

.builder-setup-controls {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto;
  gap: 12px;
  align-items: end;
}

.builder-setup-controls label,
.builder-difficulty {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  border: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.builder-setup-controls select {
  width: 100%;
}

.builder-difficulty {
  grid-template-columns: repeat(3, auto);
}

.builder-difficulty legend {
  grid-column: 1 / -1;
  margin-bottom: 6px;
}

.builder-difficulty button {
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-white);
  color: var(--muted);
  font-weight: 700;
}

.builder-difficulty button.active {
  border-color: var(--primary);
  background: var(--primary-pale);
  color: var(--primary);
}

.builder-empty {
  min-height: 360px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  text-align: center;
}

.builder-empty > svg {
  width: 36px;
  height: 36px;
  color: var(--primary);
}

.builder-empty p {
  max-width: 560px;
  color: var(--muted);
}

.builder-exercise {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
}

.builder-exercise-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.builder-exercise-header h3 {
  margin-top: 6px;
  font-size: 22px;
}

.builder-answer {
  min-height: 112px;
  margin-top: 24px;
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  align-content: center;
  gap: 8px;
  border: 2px solid #b7c9c5;
  border-radius: 6px;
  background: #fbfdfc;
}

.builder-answer.is-empty {
  justify-content: center;
}

.builder-answer-placeholder,
.builder-peek-hint {
  color: var(--muted);
  font-size: 12px;
}

.builder-answer-tools {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin: 10px 0;
}

.builder-peek-hint {
  margin: 12px 0 8px;
  text-align: center;
}

.builder-word-bank {
  min-height: 140px;
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-content: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-low);
}

.builder-token {
  position: relative;
  min-height: 44px;
  padding: 8px 13px;
  border: 1px solid #b9c7c4;
  border-radius: 5px;
  background: var(--surface-white);
  color: var(--ink);
  font-weight: 700;
  box-shadow: 0 1px 2px rgba(26, 51, 45, 0.08);
}

.builder-token:hover,
.builder-token:focus-visible,
.builder-token.peek,
.builder-token.show-meaning {
  border-color: var(--primary);
}

.builder-token small {
  display: none;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
}

.builder-token:hover small,
.builder-token:focus-visible small,
.builder-token.peek small,
.builder-token.show-meaning small,
.builder-answer .builder-token small {
  display: block;
}

.builder-answer .builder-token small {
  display: none;
}

.builder-token.selected.active {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.builder-token.token-correct {
  border-color: #2f8a67;
  background: #e5f5ed;
}

.builder-token.token-misplaced {
  border-color: #c58a24;
  background: #fff4d8;
}

.builder-token.token-incorrect {
  border-color: #c95a56;
  background: #fdebea;
}

.builder-feedback {
  margin-top: 16px;
  padding: 14px 16px;
  border-left: 4px solid #c95a56;
  background: #fff5f4;
}

.builder-feedback.correct {
  border-left-color: #2f8a67;
  background: #edf8f2;
}

.builder-feedback.minor {
  border-left-color: #c58a24;
  background: #fff8e7;
}

.builder-feedback p {
  margin: 5px 0 0;
}

.builder-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

@media (max-width: 860px) {
  .builder-setup,
  .builder-setup-controls {
    grid-template-columns: 1fr;
  }

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

  .builder-difficulty button {
    padding: 0 7px;
    font-size: 11px;
  }

  .builder-exercise {
    padding: 16px;
  }

  .builder-answer,
  .builder-word-bank {
    padding: 12px;
  }
}

/* Starter Islands */
.starter-page {
  display: grid;
  gap: 24px;
}

.starter-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px;
  padding: 12px 0 24px;
  border-bottom: 1px solid var(--line);
}

.starter-hero > div:first-child {
  max-width: 760px;
}

.starter-hero h3 {
  margin: 6px 0 10px;
  font-size: 32px;
}

.starter-hero p:last-child {
  color: var(--muted);
  line-height: 1.65;
}

.starter-score {
  display: grid;
  min-width: 150px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
  text-align: right;
}

.starter-score span {
  color: var(--primary);
  font-size: 30px;
  font-weight: 750;
}

.starter-score small {
  color: var(--muted);
}

.starter-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  align-items: center;
  gap: 24px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
}

.starter-overview h3 {
  margin-top: 4px;
  font-size: 19px;
}

.starter-overall-meter,
.starter-level-progress {
  display: grid;
  gap: 8px;
}

.starter-overall-meter i,
.starter-level-progress i {
  display: block;
  height: 8px;
  overflow: hidden;
  border-radius: 4px;
  background: var(--surface-highest);
}

.starter-overall-meter b,
.starter-level-progress b {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
  transition: width 220ms ease;
}

.starter-overall-meter span,
.starter-level-progress span {
  color: var(--muted);
  font-size: 12px;
}

.starter-levels {
  display: grid;
  gap: 12px;
}

.starter-level {
  display: grid;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
}

.starter-level > header {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: start;
  gap: 16px;
}

.starter-level-number {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--primary);
  font-size: 17px;
  font-weight: 750;
  background: var(--surface-low);
}

.starter-level h3 {
  margin: 3px 0 5px;
  font-size: 20px;
}

.starter-level header p:last-child {
  color: var(--muted);
  font-size: 13px;
}

.starter-level-state {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  text-transform: uppercase;
}

.starter-level.passed {
  border-color: #9ecaaa;
  background: #f5faf6;
}

.starter-level.passed .starter-level-number,
.starter-level.passed .starter-level-state {
  border-color: #9ecaaa;
  color: var(--primary);
  background: var(--primary-pale);
}

.starter-level.locked {
  color: var(--muted);
  background: var(--surface-low);
}

.starter-level.locked .starter-level-number {
  color: var(--muted);
  background: var(--surface-highest);
}

.starter-life-areas {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-left: 62px;
}

.starter-life-areas span {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  background: var(--surface-low);
  font-size: 10px;
  font-weight: 650;
}

.starter-level-progress,
.starter-examples,
.starter-level > footer {
  margin-left: 62px;
}

.starter-examples {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.starter-examples summary {
  cursor: pointer;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.starter-examples ul {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.starter-examples li {
  display: grid;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid var(--secondary);
}

.starter-examples li span {
  font-weight: 650;
}

.starter-examples li small {
  color: var(--muted);
}

.starter-level > footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.starter-level > footer button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.starter-level > footer button svg,
.starter-lock-message svg {
  width: 17px;
  height: 17px;
}

.starter-lock-message {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.starter-note {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 14px;
  padding: 20px;
  border: 1px solid #bdd9c3;
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--primary-pale);
}

.starter-note > svg {
  width: 24px;
  color: var(--primary);
}

.starter-note p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.home-dashboard::after {
  grid-column: 2;
  grid-row: 2 / span 2;
  display: block;
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background:
    linear-gradient(rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.88)),
    url("/assets/lingualoop-mark.png") center 28px / 150px no-repeat;
  content: "Your personal language grows from the situations you actually live.";
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  text-align: center;
  padding-top: 200px;
}

/* Context Builder and conversation */
.conversation-home-header {
  margin-bottom: 32px;
  padding: 8px 0;
}

.conversation-home-header h3 {
  max-width: 700px;
  margin: 6px 0 8px;
  font-size: 28px;
}

.material-source-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.material-source-card {
  position: relative;
  display: grid;
  min-height: 170px;
  grid-template-columns: 1fr;
  align-content: start;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-white);
}

.material-source-card:hover {
  border-color: var(--primary);
  background: var(--primary-pale);
  box-shadow: var(--shadow-focus);
}

.material-source-card > svg {
  width: 28px;
  height: 28px;
  margin-bottom: 12px;
  color: var(--primary);
}

.material-source-card strong {
  font-size: 16px;
}

.material-source-card small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.material-source-number {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--muted);
  font-size: 10px;
}

.source-guided {
  grid-column: span 2;
  background: var(--primary-pale);
}

.source-narration,
.source-quick,
.source-import {
  background: var(--surface-white);
}

.conversation-overview,
.conversation-home-heading {
  margin-top: 36px;
}

.conversation-home-list {
  gap: 10px;
}

.conversation-home-item,
.conversation-session-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
  box-shadow: none;
}

.capture-grid {
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.65fr);
  align-items: start;
}

.conversation-panel {
  min-width: 0;
}

.conversation-intent-control {
  gap: 8px;
  overflow: visible;
  border: 0;
  background: transparent;
}

.conversation-intent-control button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.conversation-intent-control button.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-pale);
  box-shadow: var(--shadow-focus);
}

.topic-grid {
  gap: 8px;
}

.topic-chip {
  min-height: 72px;
  border-color: var(--line);
  background: var(--surface-white);
}

.topic-chip.active {
  border-color: var(--primary);
  background: var(--primary-pale);
}

.coach-panel {
  position: sticky;
  top: 104px;
  background: var(--surface-low);
}

.coach-question {
  margin-top: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  background: var(--surface-low);
}

.coach-question h3 {
  margin-top: 8px;
  font-size: 20px;
}

.conversation-thread {
  gap: 14px;
}

.answer-entry,
.conversation-message {
  border-radius: var(--radius);
  box-shadow: none;
}

.material-review {
  grid-column: 1 / -1;
}

.draft-card {
  border-color: var(--line);
  background: var(--surface-white);
}

.draft-card textarea {
  background: var(--surface-low);
}

/* Set selection, Shadowing and Recall */
.practice-layout {
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.75fr);
  align-items: start;
}

.practice-set-bar {
  grid-column: 1 / -1;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
}

.practice-set-bar select {
  max-width: 420px;
}

.player-panel,
.recall-card {
  min-height: 480px;
}

.player-panel #shadowTarget,
.recall-card #recallPrompt {
  max-width: 760px;
  margin: 24px auto 10px;
  color: var(--primary);
  font-size: 28px;
  line-height: 1.35;
  text-align: center;
}

.player-panel #shadowNative {
  margin-bottom: 24px;
  font-size: 14px;
  text-align: center;
}

.card-vocabulary {
  border-color: var(--line);
  border-radius: var(--radius);
  background: var(--surface-low);
}

.shadow-mini-steps {
  justify-content: center;
}

.shadow-mini-steps span {
  border-radius: 4px;
  background: var(--primary-pale);
}

.player-controls {
  display: grid;
  grid-template-columns: 44px minmax(180px, 1fr) 44px;
  gap: 8px;
}

.player-controls #playAllShadow {
  grid-column: 1 / -1;
}

.playback-speed-control,
.toggle-row {
  border-color: var(--line);
  background: var(--surface-low);
}

.pronunciation-panel {
  background: var(--surface-white);
}

.pronunciation-controls {
  gap: 8px;
}

.record-button {
  border-color: var(--primary);
  background: var(--surface-white);
}

.record-button span {
  background: var(--danger);
}

.pronunciation-assessment {
  border-color: var(--line);
  background: var(--surface-low);
}

.recall-card textarea {
  max-width: 620px;
  margin: 28px auto 0;
}

.recall-card .capture-actions {
  justify-content: center;
}

.recall-ratings {
  grid-template-columns: repeat(4, minmax(80px, 1fr));
}

.recall-ratings button {
  border-radius: var(--radius);
}

/* Word and sentence library */
.library-layout {
  display: grid;
  gap: 24px;
}

.word-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.word-stat,
.stat-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-low);
  box-shadow: none;
}

.word-toolbar {
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.word-filter {
  border-radius: 4px;
}

.word-row,
.sentence-card {
  border-color: var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
  box-shadow: none;
}

.word-row:hover,
.sentence-card:hover {
  background: var(--surface-low);
}

.word-review-panel {
  border-color: var(--primary);
  background: var(--primary-pale);
}

/* Sprint */
.sprint-layout {
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.7fr);
  align-items: start;
}

.sprint-hero-panel {
  border-color: var(--line);
  background: var(--surface-white);
}

.sprint-hero-panel h3 {
  color: var(--primary);
  font-size: 32px;
}

.sprint-progress-track {
  height: 6px;
  background: var(--primary-soft);
}

.sprint-progress-track span {
  background: var(--primary);
}

.sprint-task,
.sprint-map-button {
  border-color: var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
}

.sprint-map-button.active {
  border-color: var(--primary);
  background: var(--primary-pale);
}

.sprint-script-panel {
  grid-column: 1;
}

/* Driving */
.driving-layout {
  max-width: 920px;
  margin-inline: auto;
}

.driving-setup {
  padding: 32px;
}

.driving-setup .panel-heading {
  justify-content: center;
  text-align: center;
}

.driving-setup .panel-heading h3 {
  margin-top: 6px;
  color: var(--primary);
  font-size: 26px;
}

.driving-options {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.driving-options label {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-low);
}

.driving-safety-confirmation {
  border-color: #e5d1af;
  background: #fff9eb;
}

.driving-start-button {
  width: 100%;
  min-height: 52px;
}

.driving-session {
  min-height: 70dvh;
  border-radius: var(--radius);
  background: var(--primary);
}

/* Statistics */
.history-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.history-layout > .panel:first-child {
  grid-column: 1 / -1;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.benchmark-metrics {
  gap: 10px;
}

.history-panel {
  min-height: 100%;
}

/* Method, plan and native input */
.method-header {
  padding: 16px 0 32px;
}

.method-header h3 {
  max-width: 760px;
  font-size: 32px;
}

.method-step,
.method-routine,
.method-principles {
  border-color: var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
}

.today-layout,
.preinput-layout {
  gap: 20px;
}

.today-hero {
  border-color: #bdd9c3;
  background: var(--primary-pale);
}

/* Dialogs and onboarding */
dialog {
  border-radius: var(--radius);
}

dialog::backdrop {
  background: rgba(38, 38, 38, 0.4);
  backdrop-filter: blur(8px);
}

.onboarding-dialog {
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}

.onboarding-shell {
  padding: 28px;
}

.onboarding-heading {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) 40px;
  align-items: center;
  gap: 16px;
}

.onboarding-brand {
  width: 82px;
  height: 82px;
  object-fit: contain;
}

.onboarding-heading h2 {
  color: var(--primary);
  font-size: 24px;
}

.onboarding-slide {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-white);
}

.onboarding-language-setup {
  display: grid;
  grid-template-columns: 1fr 32px 1fr;
  align-items: end;
  gap: 12px;
  margin: 20px 0 28px;
}

.onboarding-language-setup > span {
  display: grid;
  height: 44px;
  place-items: center;
  color: var(--primary);
}

.onboarding-secondary-title {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.onboarding-source-grid span,
.onboarding-tools span {
  border-color: var(--line);
  border-radius: var(--radius);
  background: var(--surface-low);
}

.onboarding-progress button {
  height: 5px;
  border-radius: 2px;
  background: var(--surface-highest);
}

.onboarding-progress button.active,
.onboarding-progress button.complete {
  background: var(--primary);
}

@media (max-width: 1180px) {
  .home-dashboard {
    grid-template-columns: 1fr;
  }

  .home-dashboard::after {
    display: none;
  }

  .home-recommendation,
  .home-module-grid {
    grid-column: 1;
  }

  .capture-grid,
  .practice-layout,
  .sprint-layout,
  .history-layout {
    grid-template-columns: 1fr;
  }

  .coach-panel {
    position: static;
  }

  .sprint-script-panel,
  .history-layout > .panel:first-child {
    grid-column: 1;
  }
}

@media (max-width: 900px) {
  :root {
    --sidebar-width: 0px;
  }

  .app-shell {
    display: block;
  }

  .sidebar {
    position: fixed;
    z-index: 100;
    top: auto;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 68px;
    padding: 0;
    overflow: visible;
    border-top: 1px solid var(--line);
    border-right: 0;
    background: rgba(255, 255, 255, 0.97);
  }

  .sidebar .brand,
  .sidebar > .panel.compact,
  .conversation-sidebar-list {
    display: none;
  }

  .mode-list {
    display: grid;
    height: 100%;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }

  .conversation-nav-group {
    display: block;
  }

  .mode-button,
  .nav-more > summary {
    display: grid;
    width: 100%;
    min-width: 0;
    height: 68px;
    min-height: 68px;
    grid-template-rows: 22px auto;
    place-items: center;
    gap: 3px;
    padding: 8px 3px 7px;
    border-radius: 0;
    font-size: 10px;
    text-align: center;
  }

  .mode-button.active {
    color: var(--primary);
    background: var(--primary-pale);
  }

  .mode-button svg,
  .nav-more > summary svg {
    width: 20px;
    height: 20px;
  }

  .nav-more {
    position: static;
  }

  .nav-more-menu {
    position: absolute;
    right: 10px;
    bottom: 76px;
    display: grid;
    width: min(300px, calc(100vw - 20px));
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-white);
    box-shadow: 0 16px 36px rgba(15, 34, 25, 0.18);
  }

  .nav-more-menu .mode-button {
    height: 48px;
    min-height: 48px;
    grid-template-columns: 22px 1fr;
    grid-template-rows: 1fr;
    justify-items: start;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 11px;
    text-align: left;
  }

  .workspace {
    padding: 0 20px 96px;
  }

  .topbar {
    min-height: 64px;
    margin: 0 -20px 24px;
    padding: 10px 20px;
  }

  .topbar .eyebrow {
    display: none;
  }

  .topbar h2 {
    max-width: 46vw;
    overflow: hidden;
    font-size: 17px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .settings {
    gap: 2px;
  }

  .settings > .icon-button,
  .language-menu > summary {
    width: 36px;
    min-width: 36px;
    height: 36px;
    min-height: 36px;
  }

  .settings .home-button,
  .settings .install-button,
  .sync-status {
    display: none;
  }

  .topbar-status {
    right: 20px;
    left: 20px;
    max-width: none;
  }

  .home-welcome {
    align-items: flex-start;
  }

  .home-welcome h3 {
    font-size: 27px;
  }

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

  .home-module {
    min-height: 144px;
  }

  .material-source-grid {
    grid-template-columns: 1fr;
  }

  .source-guided {
    grid-column: 1;
  }

  .player-panel #shadowTarget,
  .recall-card #recallPrompt {
    font-size: 24px;
  }

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

@media (max-width: 600px) {
  .workspace {
    padding-inline: 16px;
  }

  .topbar {
    margin-inline: -16px;
    padding-inline: 16px;
  }

  .panel {
    padding: 18px;
  }

  .home-module-grid,
  .topic-grid,
  .word-stats,
  .driving-options {
    grid-template-columns: 1fr;
  }

  .home-module {
    min-height: 118px;
  }

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

  .starter-hero h3 {
    font-size: 27px;
  }

  .starter-score {
    width: 100%;
    text-align: left;
  }

  .starter-level {
    padding: 18px;
  }

  .starter-level > header {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .starter-level-state {
    grid-column: 2;
    justify-self: start;
  }

  .starter-life-areas,
  .starter-level-progress,
  .starter-examples,
  .starter-level > footer {
    margin-left: 0;
    padding-left: 0;
  }

  .starter-level > footer button {
    width: 100%;
    justify-content: center;
  }

  .home-language-pair {
    width: 100%;
    justify-content: center;
  }

  .conversation-intent-control {
    grid-template-columns: 1fr;
  }

  .conversation-session-options {
    grid-template-columns: 1fr;
  }

  .player-controls {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
  }

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

  .onboarding-shell {
    padding: 18px;
  }

  .onboarding-heading {
    grid-template-columns: 56px minmax(0, 1fr) 36px;
  }

  .onboarding-brand {
    width: 56px;
    height: 56px;
  }

  .onboarding-heading h2 {
    font-size: 19px;
  }

  .onboarding-slide {
    padding: 18px;
  }

  .onboarding-language-setup {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .onboarding-language-setup > span {
    height: 24px;
    transform: rotate(90deg);
  }
}

[hidden] {
  display: none !important;
}