/* อ่านไทย — Thai Reading Trainer
   Shared chrome: ../assets/css/tool-chrome.css
   Tool palette + widgets only (study journal / jade like thai-alphabet). */

:root {
  --paper: #faf5e9;
  --paper-raised: #fffdf8;
  --ink: #23201a;
  --ink-soft: #6c6353;
  --ink-faint: #9a9080;
  --rule: #e4dabf;
  --rule-strong: #d3c5a2;
  --jade: #1f6f5c;
  --jade-ink: #123f34;
  --jade-soft: #dcece5;
  --saffron: #c97a1f;
  --saffron-soft: #f4e3c7;
  --clay: #a8461f;
  --clay-soft: #f3ddd0;
  --plum: #83486a;
  --plum-soft: #f0e1ea;
  --focus-ring: #123f34;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 1px 2px rgba(35, 32, 26, 0.06), 0 12px 32px -18px rgba(35, 32, 26, 0.35);
  --accent: var(--jade);
  --accent-soft: var(--jade-soft);
  --focus: var(--focus-ring);
  color-scheme: light;
}

html[data-theme="dark"] {
  --paper: #201d16;
  --paper-raised: #2a271d;
  --ink: #ece6d6;
  --ink-soft: #b7ae95;
  --ink-faint: #8f8870;
  --rule: #3d3828;
  --rule-strong: #59503a;
  --jade: #5fb89e;
  --jade-ink: #bfe8d9;
  --jade-soft: #24413a;
  --saffron: #e0a24f;
  --saffron-soft: #3d2e18;
  --clay: #d98b64;
  --clay-soft: #3d2519;
  --plum: #c98fae;
  --plum-soft: #38222f;
  --focus-ring: #ece6d6;
  --accent: var(--jade);
  --accent-soft: var(--jade-soft);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  font-family: "Work Sans", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
}


.tab-count {
  font-family: var(--font-mono);
  font-size: 0.72em;
  opacity: 0.75;
}

.tab-btn.is-complete:not(.is-active) {
  border-color: var(--jade);
  color: var(--jade-ink);
}

.learner-progress {
  margin: 0 0 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--jade-ink);
}

.training-mode-card.is-complete {
  border-color: var(--jade);
}

.training-mode-done {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--jade);
  vertical-align: middle;
}

/* Wider tiles for sentences */
.study-grid {
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 0.75rem;
}

.study-tile {
  min-height: 7.5rem;
  padding: 0.85rem 0.55rem 0.7rem;
  border-color: var(--rule-strong);
}

.study-tile:hover,
.study-tile:focus-visible {
  border-color: var(--jade);
}

.study-tile__glyph {
  font-family: var(--font-thai), sans-serif;
  font-size: clamp(1.15rem, 2.7vw, 1.55rem);
  font-weight: 600;
  line-height: 1.65;
  word-break: break-word;
  max-width: 100%;
}

.level-intro {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  max-width: 52ch;
}

/* ---------- detail panel ---------- */
.detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 26, 20, 0.45);
  z-index: 60;
}

.detail-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 70;
  width: min(94vw, 42rem);
  max-height: min(94vh, 52rem);
  overflow: auto;
  padding: 1.25rem 1.1rem 1.5rem;
  background: var(--paper-raised);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.detail-panel--card {
  width: min(96vw, 48rem);
  max-height: min(94vh, 56rem);
  padding: 1.25rem 1.25rem 1.5rem;
}

.detail-panel-title {
  margin: 0 0 0.75rem;
  padding-right: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--jade);
}

.reading-card-root .flashcard {
  min-height: auto;
  animation: none;
  box-shadow: none;
  border: none;
  padding: 0.5rem 0.25rem 0;
  background: transparent;
}

.icon-sm {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  vertical-align: -0.15em;
}

.detail-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: var(--ctrl-h);
  height: var(--ctrl-h);
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: var(--paper);
  cursor: pointer;
  display: grid;
  place-items: center;
}

.detail-close:hover { border-color: var(--jade); }

.training-dialog {
  width: min(96vw, 52rem);
  max-height: min(94vh, 58rem);
  padding: 0;
  border: none;
  border-radius: var(--radius-lg);
  background: transparent;
  overflow: visible;
}

/* Character tooltips: below the glyph inside dialog/detail so they are
   not clipped by the modal top edge (flashcards place them above). */
.training-dialog .char-tooltip,
.detail-panel .char-tooltip {
  top: 100%;
  bottom: auto;
  transform: translate(-50%, 4px);
  z-index: 80;
}

.training-dialog .thai-grapheme:hover .char-tooltip,
.training-dialog .thai-grapheme:focus-visible .char-tooltip,
.training-dialog .thai-grapheme.is-open .char-tooltip,
.detail-panel .thai-grapheme:hover .char-tooltip,
.detail-panel .thai-grapheme:focus-visible .char-tooltip,
.detail-panel .thai-grapheme.is-open .char-tooltip {
  transform: translate(-50%, 8px);
}

.training-dialog .thai-text,
.detail-panel .thai-text {
  overflow: visible;
  padding-bottom: 0.35rem;
}

.training-session .reading-card-root,
.detail-panel .reading-card-root,
.training-session .card-body {
  overflow: visible;
}

.training-grade-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: 1rem;
}

.training-grade-row .training-answer-btn {
  min-height: var(--ctrl-h);
  padding: 0 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
  border: none;
}

.training-grade-row .training-answer-btn--yes {
  background: var(--jade-soft);
  color: var(--jade-ink);
}

.training-grade-row .training-answer-btn--no {
  background: var(--clay-soft);
  color: var(--clay);
}

/* ---------- training ---------- */
.training-modes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.training-mode-card {
  padding: 1.1rem 1.15rem 1.25rem;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.training-mode-title {
  margin: 0 0 0.35rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.1rem;
}

.training-mode-desc {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.training-mode-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 0 0 0.85rem;
}

.training-stat {
  text-align: center;
}

.training-stat dt {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}

.training-stat dd {
  margin: 0.15rem 0 0;
  font-weight: 700;
  font-size: 1.05rem;
}

.training-stats-empty {
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.training-length-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.training-length-btn {
  min-height: var(--ctrl-h);
  padding: 0 0.75rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--paper);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
}

.training-length-btn.is-active {
  background: var(--jade);
  border-color: var(--jade);
  color: #fff;
}

.training-start-btn {
  width: 100%;
  min-height: var(--ctrl-h);
  border: none;
  border-radius: var(--radius-sm);
  background: var(--jade);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.training-start-btn:hover { filter: brightness(1.05); }

.leaderboard-details summary {
  cursor: pointer;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.leaderboard-table th,
.leaderboard-table td {
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
}

.training-dialog::backdrop {
  background: rgba(28, 26, 20, 0.55);
}

.training-session,
.training-summary {
  padding: 1.5rem 1.5rem 1.75rem;
  background: var(--paper-raised);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-lg);
  overflow: visible;
}

.training-session .reading-card-root .flashcard {
  min-height: 18rem;
  margin: 0;
}

.training-session .thai-text {
  font-size: clamp(2.3rem, 5.6vw, 3.3rem);
}

.training-session-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.training-progress {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.training-end-btn {
  min-height: var(--ctrl-h);
  padding: 0 0.75rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  background: var(--paper);
  cursor: pointer;
  font-size: 0.8rem;
}

.training-streak {
  margin: 0.75rem 0 0;
  text-align: center;
  font-weight: 700;
  color: var(--saffron);
}

.training-summary-score {
  margin: 0.25rem 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.75rem;
}

.training-summary-detail {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

.training-summary-actions {
  display: flex;
  gap: 0.5rem;
}

.training-summary-again-btn,
.training-summary-close-btn {
  flex: 1;
  min-height: var(--ctrl-h);
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
}

.training-summary-again-btn {
  background: var(--jade);
  color: #fff;
  border: none;
}

.training-summary-close-btn {
  background: var(--paper);
  border: 1px solid var(--rule);
}

@media (max-width: 500px) {
  .app-toolbar__menus {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.35rem;
    flex: 1;
  }
}

/* Mobile: training = full-page sheet, not a floating dialog */
@media (max-width: 640px) {
  .training-dialog {
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    margin: 0;
    border-radius: 0;
    overflow: auto;
  }

  .training-dialog::backdrop {
    background: var(--paper);
  }

  .training-session,
  .training-summary {
    min-height: 100dvh;
    border-radius: 0;
    border: none;
    padding: 1rem 1rem 1.5rem;
    box-sizing: border-box;
  }

  .training-session .reading-card-root .flashcard {
    min-height: auto;
  }

  .detail-panel,
  .detail-panel--card {
    inset: 0;
    top: 0;
    left: 0;
    transform: none;
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
    padding: 1rem;
  }
}