/* ============================================================
   Hangeul for India by LKI — Stylesheet
   Korean-inspired palette: hanji paper, indigo ink, cinnabar accent
   Mobile-first, scales up to tablet/desktop
   ============================================================ */

:root {
  /* Korean-inspired palette */
  --hanji: #FAF8F3;
  --hanji-deep: #F2EEE2;
  --paper-white: #FFFFFF;
  --indigo-ink: #1F2D5A;
  --indigo: #3A4D8C;
  --indigo-soft: #E6E8F2;
  --indigo-mist: #F0F2F8;
  --aged-paper: #D8D1C0;
  --bamboo: #8C7B5F;
  --bamboo-light: #B5A98C;
  --cinnabar: #B53A2B;
  --cinnabar-soft: #F5E1DD;
  --jade: #4A7C59;
  --jade-soft: #DCEAE0;

  /* Type */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-kr: "Noto Sans KR", -apple-system, sans-serif;
  --font-hi: "Noto Sans Devanagari", -apple-system, sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--hanji);
  color: var(--indigo-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  height: 100%;
  overflow-x: hidden;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh; /* dynamic viewport height — accounts for mobile browser chrome */
}

/* ========== Header ========== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  background: var(--hanji);
  border-bottom: 0.5px solid var(--aged-paper);
  padding: 12px 4px;
  min-height: 56px;
}

.header-title {
  margin: 0;
  text-align: center;
  font-size: 15px;
  font-weight: 500;
  color: var(--indigo-ink);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Home page: show app name more prominently */
.home-header-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

@media (min-width: 600px) {
  .app-header { padding: 14px 12px; min-height: 64px; }
  .header-title { font-size: 18px; font-weight: 500; }
  .home-header-title { font-size: 20px; font-weight: 600; }
}

/* Home button — always visible (not hidden) */
.header-home {
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--indigo-ink);
  border-radius: 10px;
  transition: background 0.15s;
}
.header-home:active { background: var(--hanji-deep); }

.header-back, .header-menu {
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  color: var(--indigo-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 8px;
}

.header-back:active, .header-menu:active {
  background: var(--indigo-soft);
}

.header-back[hidden], .header-menu[hidden] { display: none !important; }

/* ========== Main content area ========== */
.app-main {
  flex: 1;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 16px;
  padding-bottom: 24px;
  /* Ensure short-content pages still push footer to bottom */
  display: flex;
  flex-direction: column;
}

/* Inner content wrapper fills available height */
.app-main > * {
  width: 100%;
}

.loading {
  text-align: center;
  color: var(--bamboo);
  padding: 40px 0;
  font-size: 14px;
}

/* ========== Footer ========== */
.app-footer {
  background: var(--hanji-deep);
  border-top: 0.5px solid var(--aged-paper);
  padding: 14px 16px;
  text-align: center;
  font-size: 12px;
  color: var(--bamboo);
}

.app-footer p { margin: 0; }
.app-footer strong { color: var(--indigo-ink); font-weight: 500; }
.app-footer a { color: var(--indigo); text-decoration: none; }
.app-footer a:active { text-decoration: underline; }

/* ========== Reusable buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--indigo-soft);
  color: var(--indigo-ink);
  border: 0.5px solid var(--indigo);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.1s, background 0.15s;
}

.btn:active { transform: scale(0.98); background: #CECEE6; }

.btn-primary {
  background: var(--indigo-ink);
  color: var(--paper-white);
  border-color: var(--indigo-ink);
}

.btn-primary:active { background: var(--indigo); }

.btn-ghost {
  background: transparent;
  border-color: var(--aged-paper);
  color: var(--indigo-ink);
}

.btn-ghost:active { background: var(--hanji-deep); }

.btn-full { width: 100%; }

/* ========== HOME SCREEN ========== */
.home-intro {
  text-align: center;
  margin: 16px 0 28px;
}

.home-title {
  font-size: 24px;
  font-weight: 500;
  color: var(--indigo-ink);
  margin: 0 0 8px;
  font-family: var(--font-kr);
}

.home-subtitle {
  font-size: 14px;
  color: var(--bamboo);
  margin: 0;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-card {
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 14px;
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
  display: block;
  text-decoration: none;
  color: inherit;
}

.category-card:active {
  transform: scale(0.99);
  border-color: var(--indigo);
}

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

.category-card-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--indigo-ink);
  margin: 0;
}

.category-card-name-hi {
  font-family: var(--font-hi);
  font-size: 13px;
  color: var(--bamboo);
  margin: 2px 0 0;
  font-weight: 400;
}

.category-card-count {
  font-size: 11px;
  color: var(--indigo);
  background: var(--indigo-soft);
  padding: 3px 10px;
  border-radius: 99px;
  font-weight: 500;
  white-space: nowrap;
}

.category-card-letters {
  font-family: var(--font-kr);
  font-size: 22px;
  color: var(--indigo-ink);
  letter-spacing: 4px;
  line-height: 1.5;
  margin: 6px 0 10px;
  word-spacing: 2px;
}

/* ========== LETTER STRIP (detail screen) ========== */
.letter-strip-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 4px 0 14px;
}

.strip-arrow {
  flex-shrink: 0;
  width: 32px;
  height: 36px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--indigo-ink);
  font-family: inherit;
  padding: 0;
}

.strip-arrow:active {
  background: var(--hanji-deep);
  transform: scale(0.95);
}

.strip-arrow[disabled] {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.letter-strip {
  flex: 1;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 2px 4px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.letter-strip::-webkit-scrollbar {
  display: none;
}

.strip-letter {
  flex-shrink: 0;
  min-width: 32px;
  height: 36px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 8px;
  font-family: var(--font-kr);
  font-size: 17px;
  font-weight: 400;
  color: var(--indigo-ink);
  cursor: pointer;
  padding: 0 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: background 0.15s, border-color 0.15s;
}

.strip-letter:active {
  transform: scale(0.95);
}

.strip-letter.viewed::after {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--jade);
  border-radius: 50%;
}

.strip-letter.current {
  background: var(--indigo-ink);
  color: var(--paper-white);
  border-color: var(--indigo-ink);
  font-weight: 500;
}

.strip-letter.current.viewed::after {
  background: var(--paper-white);
}

.category-card-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--bamboo);
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: var(--hanji-deep);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--indigo);
  transition: width 0.3s;
}

/* ========== LETTER GRID SCREEN ========== */
.screen-intro {
  margin: 8px 0 20px;
  text-align: center;
}

.screen-intro h2 {
  font-size: 20px;
  font-weight: 500;
  color: var(--indigo-ink);
  margin: 0 0 4px;
}

.screen-intro .screen-sub {
  font-size: 13px;
  color: var(--bamboo);
  margin: 0;
}

.action-tabs {
  display: flex;
  gap: 8px;
  margin: 16px 0;
  background: var(--hanji-deep);
  padding: 4px;
  border-radius: 99px;
}

.action-tab {
  flex: 1;
  padding: 10px 8px;
  background: transparent;
  border: none;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 500;
  color: var(--bamboo);
  cursor: pointer;
  font-family: inherit;
}

.action-tab.active {
  background: var(--paper-white);
  color: var(--indigo-ink);
  box-shadow: 0 1px 2px rgba(31, 45, 90, 0.06);
}

.letter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.letter-tile {
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 12px;
  padding: 14px 8px 10px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
  position: relative;
  text-decoration: none;
  color: inherit;
  display: block;
}

/* ========== INLINE INFO inside stroke box ========== */
.letter-inline-info {
  border-top: 0.5px solid var(--hanji-deep);
  margin-top: 10px;
  padding-top: 10px;
}

.inline-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.inline-info-name {
  font-family: var(--font-kr);
  font-size: 14px;
  font-weight: 500;
  color: var(--indigo-ink);
}

.inline-info-roman {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--bamboo);
  font-weight: 400;
}

.inline-info-hindi {
  font-family: var(--font-hi);
  font-size: 28px;
  color: var(--indigo);
  font-weight: 500;
  line-height: 1;
}

.letter-tile:active {
  transform: scale(0.97);
  border-color: var(--indigo);
}

.letter-tile.viewed::after {
  content: "✓";
  position: absolute;
  top: 6px;
  right: 8px;
  color: var(--jade);
  font-size: 11px;
  font-weight: 700;
}

.letter-tile-jamo {
  font-family: var(--font-kr);
  font-size: 32px;
  font-weight: 400;
  color: var(--indigo-ink);
  line-height: 1;
  margin-bottom: 4px;
}

.letter-tile-roman {
  font-size: 11px;
  color: var(--bamboo);
  margin-bottom: 2px;
}

.letter-tile-hindi {
  font-family: var(--font-hi);
  font-size: 14px;
  color: var(--indigo);
  font-weight: 500;
}

/* ========== LETTER DETAIL SCREEN ========== */
.letter-detail-pos {
  text-align: center;
  font-size: 11px;
  color: var(--indigo);
  background: var(--indigo-soft);
  padding: 4px 12px;
  border-radius: 99px;
  display: inline-block;
  margin: 4px auto 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.letter-detail-stage {
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  position: relative;
}

.view-toggle {
  display: flex;
  background: var(--hanji-deep);
  border-radius: 99px;
  padding: 3px;
  margin: 0 auto 16px;
  width: fit-content;
  gap: 2px;
}

.view-toggle-btn {
  padding: 6px 16px;
  border: none;
  background: transparent;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 500;
  color: var(--bamboo);
  cursor: pointer;
  font-family: inherit;
}

.view-toggle-btn.active {
  background: var(--paper-white);
  color: var(--indigo-ink);
  box-shadow: 0 1px 2px rgba(31, 45, 90, 0.06);
}

.stroke-canvas-wrapper {
  position: relative;
  width: 100%;
  max-width: 180px;
  margin: 0 auto;
  aspect-ratio: 1;
}

@media (min-height: 800px) {
  .stroke-canvas-wrapper { max-width: 220px; }
}
@media (min-height: 900px) {
  .stroke-canvas-wrapper { max-width: 260px; }
}

.stroke-canvas {
  width: 100%;
  height: 100%;
}

.stroke-canvas path.stroke-path {
  fill: none;
  stroke: var(--indigo-ink);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.stroke-canvas-syllable {
  font-family: var(--font-kr);
  font-size: 140px;
  font-weight: 400;
  color: var(--indigo-ink);
  text-align: center;
  line-height: 1;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stroke-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  min-height: 36px;
}

.stroke-counter {
  font-size: 12px;
  color: var(--bamboo);
  min-width: 80px;
  text-align: center;
}

.replay-btn {
  background: var(--hanji-deep);
  border: 0.5px solid var(--aged-paper);
  border-radius: 99px;
  padding: 7px 14px;
  font-size: 12px;
  color: var(--indigo-ink);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  font-family: inherit;
}

.replay-btn:active { background: var(--hanji); }

.letter-info {
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 14px;
  padding: 12px 16px;
  margin-bottom: 12px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 0.5px solid var(--hanji-deep);
}

.info-row:last-child { border-bottom: none; }

.info-label {
  font-size: 11px;
  color: var(--bamboo);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
}

.info-value {
  font-size: 15px;
  color: var(--indigo-ink);
  font-weight: 500;
}

.info-value-hindi {
  font-family: var(--font-hi);
  font-size: 26px;
  color: var(--indigo);
  font-weight: 500;
  line-height: 1;
}

.info-value-name {
  font-family: var(--font-kr);
  font-size: 15px;
  color: var(--indigo-ink);
}

.hindi-note {
  background: var(--hanji-deep);
  border-left: 3px solid var(--bamboo-light);
  padding: 10px 14px;
  margin-bottom: 12px;
  border-radius: 0 8px 8px 0;
  font-size: 13px;
  color: var(--indigo-ink);
  line-height: 1.55;
}

.hindi-note-soft {
  background: var(--cinnabar-soft);
  border-left-color: var(--cinnabar);
}

.hindi-note-aspirated {
  background: var(--jade-soft);
  border-left-color: var(--jade);
}

.tissue-tip {
  background: var(--indigo-soft);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--indigo-ink);
  margin-bottom: 12px;
  line-height: 1.55;
}

.tissue-tip strong {
  color: var(--indigo);
  font-weight: 500;
  display: block;
  margin-bottom: 4px;
}

.audio-button {
  flex: 1;
  background: var(--indigo-ink);
  color: var(--paper-white);
  border: none;
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  font-family: inherit;
}

.audio-button:active { background: var(--indigo); transform: scale(0.99); }

.audio-button svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Audio row: voice toggle + listen button side by side */
.audio-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
  margin-bottom: 16px;
}

.voice-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.voice-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--bamboo);
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: all 0.15s;
}

.voice-btn.active {
  background: var(--indigo-soft);
  color: var(--indigo-ink);
  border-color: var(--indigo);
}

.voice-btn:active { transform: scale(0.97); }

.detail-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.nav-prev, .nav-next {
  flex: 1;
  padding: 12px 14px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 12px;
  font-size: 13px;
  color: var(--indigo-ink);
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
  text-align: left;
}

.nav-prev { justify-content: flex-start; }
.nav-next { justify-content: flex-end; }

.nav-prev:disabled, .nav-next:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.nav-jamo {
  font-family: var(--font-kr);
  font-size: 18px;
  color: var(--indigo);
  font-weight: 500;
}

/* ========== Responsive: tablet and up ========== */
@media (min-width: 700px) {
  .app-main { padding: 24px; }
  .home-title { font-size: 28px; }
  .category-card-letters { font-size: 26px; letter-spacing: 6px; }
  .letter-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .letter-tile-jamo { font-size: 40px; }
  .stroke-canvas-wrapper { max-width: 320px; }
  .stroke-canvas-syllable { font-size: 220px; }
}

/* ========== Accessibility: reduced motion ========== */
@media (prefers-reduced-motion: reduce) {
  .stroke-canvas path.stroke-path {
    transition: none !important;
    stroke-dashoffset: 0 !important;
  }
}

/* ========== Print stylesheet (for reference cards) ========== */
@media print {
  .app-header, .app-footer, .audio-button, .detail-nav, .action-tabs { display: none; }
}

/* ========== PRACTICE HOME BUTTON ========== */
.practice-home-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  padding: 14px;
  background: var(--indigo-soft);
  color: var(--indigo-ink);
  border: 0.5px solid var(--indigo);
  border-radius: 14px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}
.practice-home-btn:active { background: #CECEE6; }

/* ========== PRACTICE SETUP SCREEN ========== */
.practice-setup { padding: 4px 0; }
.setup-section { margin-bottom: 22px; }
.setup-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--bamboo);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}
.setup-sublabel {
  font-size: 11px;
  color: var(--bamboo-light);
  margin: 12px 0 8px;
  letter-spacing: .03em;
}
.deck-options { display: flex; flex-direction: column; gap: 7px; }
.deck-option { display: block; cursor: pointer; }
.deck-option input[type="radio"] { display: none; }
.deck-option-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 10px;
  transition: border-color .15s, background .15s;
}
.deck-option input:checked + .deck-option-inner {
  background: var(--indigo-soft);
  border-color: var(--indigo);
}
.deck-option-difficult .deck-option-inner { border-color: var(--cinnabar); }
.deck-option-difficult input:checked + .deck-option-inner {
  background: var(--cinnabar-soft);
  border-color: var(--cinnabar);
}
.deck-option-name { font-size: 14px; font-weight: 500; color: var(--indigo-ink); }
.deck-option-count { font-size: 11px; color: var(--bamboo); }
.direction-options { display: flex; flex-direction: column; gap: 7px; }
.dir-option { display: block; cursor: pointer; }
.dir-option input[type="radio"] { display: none; }
.dir-option-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 10px;
  transition: border-color .15s, background .15s;
}
.dir-option input:checked + .dir-option-inner {
  background: var(--indigo-soft);
  border-color: var(--indigo);
}
.dir-front { font-size: 20px; color: var(--indigo-ink); font-weight: 500; min-width: 24px; }
.dir-label { font-size: 13px; color: var(--bamboo); margin-left: 4px; }
.order-options { display: flex; gap: 10px; }
.ord-option { flex: 1; display: block; cursor: pointer; }
.ord-option input[type="radio"] { display: none; }
.ord-option span {
  display: block;
  text-align: center;
  padding: 10px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--bamboo);
  transition: all .15s;
}
.ord-option input:checked + span {
  background: var(--indigo-soft);
  border-color: var(--indigo);
  color: var(--indigo-ink);
}

/* ========== FLASHCARD SESSION ========== */
.fc-progress-bar {
  height: 4px;
  background: var(--hanji-deep);
  border-radius: 2px;
  margin-bottom: 10px;
  overflow: hidden;
}
.fc-progress-fill { height: 100%; background: var(--indigo); transition: width .3s; }
.fc-counter {
  text-align: center;
  font-size: 12px;
  color: var(--bamboo);
  margin-bottom: 16px;
}
.fc-card-wrap {
  perspective: 1000px;
  width: 100%;
  height: 260px;
  margin-bottom: 16px;
  cursor: pointer;
  user-select: none;
}
.fc-card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform .45s ease;
  border-radius: 16px;
}
.fc-card.flipped { transform: rotateY(180deg); cursor: default; }
.fc-card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px;
  border: 0.5px solid var(--aged-paper);
}
.fc-front { background: var(--paper-white); }
.fc-back {
  background: var(--indigo-mist);
  transform: rotateY(180deg);
}
.fc-letter-large {
  font-family: var(--font-kr);
  font-size: 100px;
  font-weight: 400;
  color: var(--indigo-ink);
  line-height: 1;
}
.fc-hindi-large {
  font-family: var(--font-hi);
  font-size: 64px;
  font-weight: 500;
  color: var(--indigo);
  line-height: 1;
}
.fc-roman {
  font-size: 14px;
  color: var(--bamboo);
}
.fc-name {
  font-family: var(--font-kr);
  font-size: 14px;
  color: var(--bamboo);
  margin-top: 4px;
}
.fc-hint {
  text-align: center;
  font-size: 13px;
  color: var(--bamboo-light);
  margin: 0 0 8px;
}
.fc-swipe-hint {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  margin-bottom: 16px;
}
.fc-swipe-wrong { color: var(--cinnabar); }
.fc-swipe-right { color: var(--jade); }
.fc-action-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}
.fc-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: transform .1s;
}
.fc-btn:active { transform: scale(0.97); }
.fc-btn-wrong {
  flex: 1;
  background: var(--cinnabar-soft);
  color: var(--cinnabar);
}
.fc-btn-audio {
  width: 48px;
  height: 48px;
  background: var(--hanji-deep);
  color: var(--indigo-ink);
  border: 0.5px solid var(--aged-paper) !important;
  border-radius: 50%;
  flex-shrink: 0;
  padding: 0;
}
.fc-btn-correct {
  flex: 1;
  background: var(--jade-soft);
  color: var(--jade);
}
.fc-note {
  background: var(--hanji-deep);
  border-left: 3px solid var(--bamboo-light);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
  font-size: 13px;
  color: var(--indigo-ink);
  line-height: 1.55;
}

/* ========== SCORE SCREEN ========== */
.score-screen { text-align: center; padding: 8px 0; }
.score-medal { font-size: 56px; margin-bottom: 6px; }
.score-message {
  font-size: 22px;
  font-weight: 500;
  color: var(--indigo-ink);
  margin-bottom: 20px;
}
.score-stats {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}
.score-stat {
  flex: 1;
  padding: 14px 10px;
  border-radius: 12px;
  border: 0.5px solid var(--aged-paper);
}
.score-stat.correct { background: var(--jade-soft); }
.score-stat.wrong { background: var(--cinnabar-soft); }
.score-stat.total { background: var(--indigo-soft); }
.score-stat-num {
  font-size: 28px;
  font-weight: 500;
  color: var(--indigo-ink);
  line-height: 1;
  margin-bottom: 4px;
}
.score-stat-label { font-size: 11px; color: var(--bamboo); }
.score-wrong-section { text-align: left; margin-bottom: 16px; }
.score-wrong-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.score-wrong-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 12px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 10px;
  text-decoration: none;
  min-width: 54px;
}
.score-wrong-jamo {
  font-family: var(--font-kr);
  font-size: 26px;
  color: var(--indigo-ink);
  line-height: 1;
}
.score-wrong-hindi {
  font-family: var(--font-hi);
  font-size: 14px;
  color: var(--indigo);
}

/* ========== HOME MODE TOGGLE (Learn / Practice) ========== */
.home-mode-toggle {
  display: flex;
  gap: 8px;
  margin: 0 0 20px;
}
.hm-option {
  flex: 1;
  display: block;
  cursor: pointer;
}
.hm-option input[type="radio"] { display: none; }
.hm-option span {
  display: block;
  text-align: center;
  padding: 11px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--bamboo);
  transition: all .15s;
}
.hm-option input:checked + span {
  background: var(--indigo-ink);
  border-color: var(--indigo-ink);
  color: var(--paper-white);
}
.hm-option span:active { transform: scale(0.98); }

/* Practice redirect panel */
.practice-redirect {
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
}
.practice-redirect-text {
  font-size: 14px;
  color: var(--bamboo);
  margin: 0 0 16px;
  line-height: 1.5;
}

/* ========== READ MENU ========== */
.read-menu { display: flex; flex-direction: column; gap: 12px; }
.read-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 14px; padding: 16px 14px;
  text-decoration: none; color: inherit;
  transition: border-color .15s;
}
.read-card:active { border-color: var(--indigo); }
.read-card-locked { opacity: .6; pointer-events: none; }
.read-card-icon {
  font-family: var(--font-kr); font-size: 28px; color: var(--indigo-ink);
  min-width: 44px; text-align: center;
}
.read-card-body { flex: 1; }
.read-card-title { font-size: 15px; font-weight: 500; color: var(--indigo-ink); margin-bottom: 3px; }
.read-card-desc { font-size: 12px; color: var(--bamboo); line-height: 1.45; }
.read-card-soon {
  font-size: 11px; color: var(--bamboo); background: var(--hanji-deep);
  padding: 3px 8px; border-radius: 99px; white-space: nowrap;
}

/* ========== SYLLABLE LESSON ========== */
.syllable-lesson { padding: 4px 0; }
.lesson-intro {
  background: var(--indigo-soft); border-radius: 12px;
  padding: 14px 16px; margin-bottom: 20px;
  font-size: 14px; color: var(--indigo-ink); line-height: 1.6;
}
.lesson-intro p { margin: 0; }
.lesson-section { margin-bottom: 28px; }
.lesson-section-title {
  font-size: 16px; font-weight: 500; color: var(--indigo-ink);
  margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 0.5px solid var(--aged-paper);
}
.lesson-body { font-size: 13px; color: var(--bamboo); line-height: 1.65; margin: 0 0 14px; }
.lesson-note {
  background: var(--hanji-deep); border-left: 3px solid var(--bamboo-light);
  border-radius: 0 8px 8px 0; padding: 10px 14px;
  font-size: 12px; color: var(--indigo-ink); line-height: 1.55;
}

/* Two-type cards */
.syllable-types-row { display: flex; gap: 10px; margin-bottom: 14px; }
.syl-type-card {
  flex: 1; background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 12px; padding: 14px 10px; text-align: center;
}
.syl-type-formula { font-size: 13px; font-weight: 500; color: var(--indigo); margin-bottom: 8px; }
.syl-type-examples { font-family: var(--font-kr); font-size: 22px; color: var(--indigo-ink); letter-spacing: 4px; margin-bottom: 6px; }
.syl-type-label { font-size: 11px; color: var(--bamboo); }

/* Shape cards */
.shape-card {
  background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 12px; padding: 14px; margin-bottom: 12px;
}
.shape-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
}
.shape-num {
  width: 24px; height: 24px; background: var(--indigo-ink); color: var(--paper-white);
  border-radius: 50%; font-size: 12px; font-weight: 500;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.shape-title { font-size: 13px; font-weight: 500; color: var(--indigo-ink); }
.shape-body { display: flex; gap: 14px; align-items: flex-start; }
.shape-grid-wrap { flex-shrink: 0; }
.shape-info { flex: 1; }
.shape-main-ex { font-family: var(--font-kr); font-size: 32px; color: var(--indigo-ink); margin-bottom: 4px; }
.shape-roman { font-size: 14px; color: var(--bamboo); font-family: var(--font-sans); }
.shape-more { font-family: var(--font-kr); font-size: 18px; color: var(--indigo); letter-spacing: 4px; margin-bottom: 6px; }
.shape-ex { margin-right: 2px; }
.shape-rule { font-size: 11px; color: var(--bamboo); line-height: 1.45; }

/* Animated examples */
.anim-examples-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.anim-example {
  background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 12px; padding: 14px; text-align: center;
}
.anim-parts-row { display: flex; align-items: center; justify-content: center; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; }
.anim-part {
  font-family: var(--font-kr); font-size: 22px; font-weight: 500;
  padding: 2px 4px; border-radius: 4px; opacity: 0;
}
.anim-part sub { font-size: 9px; color: inherit; opacity: .7; font-family: var(--font-sans); }
.anim-part-cons { color: #1F2D5A; background: var(--indigo-soft); }
.anim-part-vow  { color: #B53A2B; background: var(--cinnabar-soft); }
.anim-part-pat  { color: #085041; background: var(--jade-soft); }
.anim-plus { font-size: 12px; color: var(--bamboo); }
.anim-arrow { font-size: 16px; color: var(--bamboo); margin-bottom: 8px; opacity: 0; }
.anim-block { opacity: 0; transform: scale(0.7); }
.anim-block-letter { font-family: var(--font-kr); font-size: 40px; color: var(--indigo-ink); line-height: 1; margin-bottom: 2px; }
.anim-block-roman { font-size: 12px; color: var(--bamboo); }
.anim-replay {
  margin-top: 10px; background: var(--hanji-deep); border: 0.5px solid var(--aged-paper);
  border-radius: 99px; padding: 4px 10px; font-size: 11px;
  color: var(--bamboo); display: inline-flex; align-items: center; gap: 4px; cursor: pointer;
  font-family: inherit;
}

/* Position rules */
.pos-rules { display: flex; flex-direction: column; gap: 10px; }
.pos-rule {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 10px; padding: 12px;
}
.pos-cons {
  font-family: var(--font-kr); font-size: 28px; color: var(--indigo-ink);
  font-weight: 500; min-width: 36px; text-align: center; line-height: 1;
}
.pos-rule-body { flex: 1; }
.pos-sounds { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.pos-sound { font-size: 13px; display: flex; align-items: center; gap: 5px; }
.pos-badge {
  font-size: 10px; padding: 2px 6px; border-radius: 99px; font-weight: 500;
}
.pos-initial .pos-badge { background: var(--indigo-soft); color: var(--indigo); }
.pos-medial  .pos-badge { background: var(--jade-soft);   color: var(--jade);   }
.pos-sound { font-family: var(--font-hi); font-size: 16px; color: var(--indigo-ink); font-weight: 500; }
.pos-example { font-size: 12px; color: var(--bamboo); }
.pos-word-ko { font-family: var(--font-kr); font-size: 14px; color: var(--indigo-ink); margin-right: 6px; }

/* Build your own */
.build-toggle {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; background: var(--paper-white);
  border: 0.5px solid var(--indigo); border-radius: 12px;
  font-size: 14px; font-weight: 500; color: var(--indigo);
  cursor: pointer; font-family: inherit;
}
.build-toggle:active { background: var(--indigo-soft); }
#buildToggleIcon { transition: transform .25s; }
.build-panel { padding: 4px 0; }
.builder-pickers { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.picker-group {}
.picker-label { font-size: 11px; font-weight: 500; color: var(--bamboo); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.picker-scroll { display: flex; flex-wrap: wrap; gap: 6px; }
.picker-item {
  font-family: var(--font-kr); font-size: 18px; min-width: 38px; height: 38px;
  background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 8px; color: var(--indigo-ink); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-family: inherit; transition: all .12s;
}
.picker-item.active { background: var(--indigo-ink); color: var(--paper-white); border-color: var(--indigo-ink); }
.builder-result {
  background: var(--indigo-soft); border-radius: 14px; padding: 20px;
  text-align: center; border: 0.5px solid var(--indigo);
}
.builder-syllable { font-family: var(--font-kr); font-size: 72px; color: var(--indigo-ink); line-height: 1; margin-bottom: 6px; }
.builder-roman { font-size: 16px; color: var(--bamboo); }

/* ========== UPDATED ANIM EXAMPLE (sliding assembly) ========== */
.anim-static-row {
  display: flex; align-items: center; justify-content: center;
  gap: 6px; flex-wrap: wrap; margin-bottom: 10px; min-height: 52px;
}
.anim-part-static {
  display: inline-flex; flex-direction: column; align-items: center;
  padding: 5px 8px; border-radius: 8px; min-width: 36px;
}
.anim-part-static.anim-part-cons { background: #FFF3DD; }
.anim-part-static.anim-part-vow  { background: #E8F5E9; }
.anim-part-static.anim-part-pat  { background: #FBE9D8; }
.anim-part-char {
  font-family: var(--font-kr); font-size: 22px; font-weight: 500;
  line-height: 1;
}
.anim-part-static.anim-part-cons .anim-part-char { color: #1F2D5A; }
.anim-part-static.anim-part-vow  .anim-part-char { color: #2E7D32; }
.anim-part-static.anim-part-pat  .anim-part-char { color: #E06C10; }
.anim-part-label {
  font-size: 9px; color: var(--bamboo); margin-top: 2px;
  font-family: var(--font-sans);
}
.anim-assembly {
  position: relative; width: 100%; padding-bottom: 100%;
  margin-bottom: 6px; border-radius: 8px;
  background: var(--hanji-deep); overflow: hidden;
}
.anim-roman-row {
  text-align: center; font-size: 12px; color: var(--bamboo); margin-bottom: 8px;
}

/* Shape legend */
.shape-legend {
  display: flex; flex-wrap: wrap; gap: 10px 16px;
  margin-bottom: 14px; font-size: 12px; color: var(--bamboo);
}
.legend-item { display: flex; align-items: center; gap: 5px; }
.legend-swatch { width: 14px; height: 14px; border-radius: 3px; flex-shrink: 0; }

/* ========== PRONUNCIATION TABLE ========== */
.pron-table-wrap {
  overflow-x: auto;
  border-radius: 12px;
  border: 0.5px solid var(--aged-paper);
}
.pron-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: var(--paper-white);
}
.pron-th {
  background: var(--indigo-ink);
  color: var(--paper-white);
  font-weight: 500;
  font-size: 11px;
  padding: 10px 8px;
  text-align: center;
  letter-spacing: .02em;
}
.pron-th-jamo {
  width: 15%;
}
.pron-jamo {
  font-family: var(--font-kr);
  font-size: 22px;
  font-weight: 500;
  color: var(--indigo-ink);
  text-align: center;
  padding: 10px 6px;
  background: var(--indigo-soft);
  border-bottom: 0.5px solid var(--hanji-deep);
}
.pron-cell {
  padding: 10px 8px;
  text-align: center;
  border-bottom: 0.5px solid var(--hanji-deep);
  color: var(--indigo-ink);
  vertical-align: middle;
}
.pron-hi {
  font-family: var(--font-hi);
  font-size: 14px;
}
.pron-table tbody tr:nth-child(even) .pron-cell {
  background: var(--hanji);
}
.pron-table tbody tr:last-child .pron-jamo,
.pron-table tbody tr:last-child .pron-cell {
  border-bottom: none;
}

/* Updated static part styling (neutral, no color) */
.anim-part-static {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 6px 10px;
  border-radius: 8px;
  min-width: 38px;
  background: var(--hanji-deep);
  border: 0.5px solid var(--aged-paper);
}
.anim-part-char {
  font-family: var(--font-kr);
  font-size: 24px;
  font-weight: 400;
  color: var(--indigo-ink);
  line-height: 1;
}
.anim-part-label {
  font-size: 9px;
  color: var(--bamboo);
  margin-top: 3px;
}
.anim-assembly {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  border-radius: 10px;
  background: var(--hanji-deep);
  border: 0.5px solid var(--aged-paper);
  overflow: hidden;
  margin-bottom: 6px;
}

/* ========== UPDATED ANIM STAGE ========== */
.anim-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  background: var(--hanji-deep);
  border: 0.5px solid var(--aged-paper);
  overflow: hidden;
  margin-bottom: 6px;
}
.anim-pieces-layer {
  position: absolute;
  inset: 0;
}
.anim-final-char {
  font-family: var(--font-kr);
  font-size: clamp(48px, 14vw, 84px);
  color: var(--indigo-ink);
  font-weight: 400;
  line-height: 1;
  margin-bottom: 4px;
}
.anim-final-roman {
  font-size: 13px;
  color: var(--bamboo);
}

/* ========== WORD GROUPS (Module 2) ========== */
.word-group { margin-bottom: 28px; }
.word-group-header { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.word-group-title { font-size: 16px; font-weight: 500; color: var(--indigo-ink); }
.word-group-title-hi { font-family: var(--font-hi); font-size: 13px; color: var(--bamboo); }
.word-group-note { font-size: 12px; color: var(--bamboo); line-height: 1.55; margin-bottom: 12px; background: var(--hanji-deep); border-radius: var(--border-radius-md); padding: 8px 12px; }
.word-list { display: flex; flex-direction: column; gap: 8px; }

/* Option B word card: Korean left | Hindi+meaning right | audio button far right */
.word-card {
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  gap: 0;
  overflow: hidden;
}
.word-card-main {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 12px 14px;
}
.word-ko {
  font-family: var(--font-kr);
  font-size: 28px;
  font-weight: 400;
  color: var(--indigo-ink);
  min-width: 160px;
  width: 160px;
  line-height: 1;
  flex-shrink: 0;
}
.word-divider {
  width: 0.5px;
  background: var(--aged-paper);
  align-self: stretch;
  margin: 0 14px;
}
.word-right { flex: 1; }
.word-hi {
  font-family: var(--font-hi);
  font-size: 17px;
  color: var(--indigo);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 2px;
}
.word-en {
  font-size: 11px;
  color: var(--bamboo);
}
.word-audio-btn {
  width: 48px;
  align-self: stretch;
  background: var(--indigo-soft);
  border: none;
  border-left: 0.5px solid var(--aged-paper);
  color: var(--indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background .15s;
}
.word-audio-btn:active { background: #CECEE6; }

/* Slightly smaller Korean font on very narrow screens to prevent overflow */
@media (max-width: 360px) {
  .word-ko { font-size: 22px; min-width: 130px; width: 130px; }
}

/* ========== PRACTICE MENU ========== */
.practice-menu { display: flex; flex-direction: column; gap: 12px; }
.practice-menu-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 14px; padding: 16px 14px;
  text-decoration: none; color: inherit; transition: border-color .15s;
}
.practice-menu-card:active { border-color: var(--indigo); }
.practice-menu-icon {
  font-family: var(--font-kr); font-size: 26px; color: var(--indigo-ink);
  min-width: 44px; text-align: center; line-height: 1;
}
.practice-menu-body { flex: 1; }
.practice-menu-title { font-size: 15px; font-weight: 500; color: var(--indigo-ink); margin-bottom: 3px; }
.practice-menu-desc { font-size: 12px; color: var(--bamboo); line-height: 1.45; }

/* ========== QUIZ SETUP ========== */
.quiz-type-grid { display: flex; flex-direction: column; gap: 12px; margin-bottom: 4px; }
.quiz-type-card {
  background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 14px; padding: 18px 16px; cursor: pointer;
  transition: border-color .15s, background .15s; text-align: left;
}
.quiz-type-card:active, .quiz-type-card.selected {
  border-color: var(--indigo); background: var(--indigo-soft);
}
.quiz-type-icon {
  font-family: var(--font-kr); font-size: 22px; color: var(--indigo);
  margin-bottom: 8px; font-weight: 500;
}
.quiz-type-title { font-size: 15px; font-weight: 500; color: var(--indigo-ink); margin-bottom: 4px; }
.quiz-type-desc { font-size: 12px; color: var(--bamboo); line-height: 1.5; }
.quiz-subtype-grid { display: flex; gap: 10px; }
.quiz-subtype-card {
  flex: 1; background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 12px; padding: 14px 12px; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.quiz-subtype-card:active { border-color: var(--indigo); background: var(--indigo-soft); }
.quiz-subtype-title { font-size: 14px; font-weight: 500; color: var(--indigo-ink); margin-bottom: 4px; }
.quiz-subtype-desc { font-size: 11px; color: var(--bamboo); line-height: 1.45; }

/* ========== QUIZ SESSION ========== */
.quiz-question-wrap {
  text-align: center; padding: 20px 0 24px;
}
.quiz-question-label {
  font-size: 13px; color: var(--bamboo); margin-bottom: 16px;
}
.quiz-big-korean {
  font-family: var(--font-kr); font-size: clamp(42px, 14vw, 72px);
  font-weight: 400; color: var(--indigo-ink); line-height: 1;
}
.quiz-audio-btn {
  display: inline-flex; flex-direction: column; align-items: center; gap: 8px;
  background: var(--indigo-soft); border: 0.5px solid var(--indigo);
  border-radius: 50%; width: 96px; height: 96px;
  color: var(--indigo); cursor: pointer; font-size: 12px;
  font-family: inherit; font-weight: 500; transition: background .15s;
}
.quiz-audio-btn:active { background: #CECEE6; }
.quiz-audio-note { font-size: 11px; color: var(--bamboo); margin-top: 10px; }
.quiz-options-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.quiz-option {
  background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 12px; padding: 14px 10px; cursor: pointer;
  text-align: center; font-family: inherit; transition: border-color .1s, background .1s;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  min-height: 64px; justify-content: center;
}
.quiz-option:active:not(.answered) { background: var(--indigo-soft); border-color: var(--indigo); }
.quiz-option.answered { cursor: default; }
.quiz-option.quiz-correct { background: var(--jade-soft) !important; border-color: var(--jade) !important; }
.quiz-option.quiz-wrong   { background: var(--cinnabar-soft) !important; border-color: var(--cinnabar) !important; }
.qopt-hi {
  font-family: var(--font-hi); font-size: 18px; color: var(--indigo-ink);
  font-weight: 500; line-height: 1.2;
}
.qopt-rom { font-size: 11px; color: var(--bamboo); }
.qopt-syl {
  font-family: var(--font-kr); font-size: 32px; color: var(--indigo-ink); line-height: 1;
}
.qopt-ko {
  font-family: var(--font-kr); font-size: 22px; color: var(--indigo-ink); line-height: 1;
}

/* Quiz score review */
.quiz-review-item {
  background: var(--paper-white); border: 0.5px solid var(--aged-paper);
  border-radius: 10px; padding: 10px 14px; margin-bottom: 8px;
}
.quiz-review-correct { font-size: 14px; font-weight: 500; color: var(--jade); display: block; margin-bottom: 2px; }
.quiz-review-chosen  { font-size: 12px; color: var(--cinnabar); display: block; }

/* ========== VOWEL NOTE ========== */
.vowel-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: #FFF8E6;
  border: 0.5px solid #E8C84A;
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--indigo-ink);
  line-height: 1.6;
}
.vowel-note-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.vowel-note em { font-style: normal; color: #7A5C00; font-weight: 500; }
.vowel-note strong { color: var(--indigo); }

/* ========== LANGUAGE BUTTON IN HEADER ========== */
.header-lang-btn {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 5px 8px;
  background: var(--indigo-soft);
  border: 0.5px solid var(--indigo);
  border-radius: 99px;
  font-size: 12px;
  font-weight: 500;
  color: var(--indigo);
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  max-width: 90px;
}
.header-lang-btn:active { background: #CECEE6; }
#headerLang {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========== LANGUAGE SELECTOR MODAL ========== */
.lang-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 20, 40, 0.72);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lang-modal {
  background: var(--hanji);
  border-radius: 20px;
  padding: 28px 24px;
  width: 100%;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.lang-modal-flag {
  font-family: var(--font-kr);
  font-size: 36px;
  color: var(--indigo-ink);
  margin-bottom: 8px;
  font-weight: 500;
}
.lang-modal-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--indigo-ink);
  margin: 0 0 6px;
}
.lang-modal-sub {
  font-size: 14px;
  color: var(--bamboo);
  margin: 0 0 24px;
}
.lang-modal-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lang-modal-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--paper-white);
  border: 0.5px solid var(--aged-paper);
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color .15s, background .15s;
}
.lang-modal-btn:active { background: var(--indigo-soft); border-color: var(--indigo); }
.lang-modal-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--indigo-ink);
}
.lang-modal-badge {
  font-size: 10px;
  color: var(--bamboo);
  background: var(--hanji-deep);
  padding: 2px 8px;
  border-radius: 99px;
  border: 0.5px solid var(--aged-paper);
}

/* ========== HOME LANGUAGE SELECTOR ========== */
.home-lang-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.home-lang-label {
  font-size: 13px;
  color: var(--bamboo);
}
.home-lang-select {
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--indigo-ink);
  background: var(--paper-white);
  border: 0.5px solid var(--indigo);
  border-radius: 8px;
  padding: 5px 28px 5px 10px;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' width='12' height='12' fill='none' stroke='%231F2D5A' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  cursor: pointer;
}
.home-lang-badge {
  font-size: 10px;
  color: var(--bamboo);
  background: var(--hanji-deep);
  padding: 2px 7px;
  border-radius: 99px;
  border: 0.5px solid var(--aged-paper);
}

/* ========== HEADER HOME BUTTON ========== */
.header-home-btn {
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--indigo-ink);
  border-radius: 10px;
  transition: background 0.15s;
}
.header-home-btn:active { background: var(--hanji-deep); }

/* Quiz audio button — needs-tap state shown when Chrome blocks autoplay */
.quiz-audio-btn.needs-tap {
  animation: pulse-border 1.5s ease-in-out infinite;
  border-color: var(--indigo) !important;
}
@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 0 0 rgba(31,45,90,0.3); }
  50%       { box-shadow: 0 0 0 8px rgba(31,45,90,0); }
}
.quiz-audio-label { font-size: 11px; }

/* Footer always at bottom — Chrome fix */
.app-main {
  flex: 1 0 auto;  /* grow AND don't shrink below content */
}
.app-footer {
  flex-shrink: 0;  /* never shrink */
}