/* ============================================================
   LABEL SCHOOL — Interactive Wine Label Reading
   ============================================================ */

#labelschool-section {
  --ls-bg: #FAF7F2;
  --ls-card: #FFFDF9;
  --ls-text: #2C1810;
  --ls-text-muted: #6B5D52;
  --ls-text-faint: #9E9189;
  --ls-accent: #722F37;
  --ls-gold: #B8943E;
  --ls-correct: #6B7F5E;
  --ls-card-edge: #E8DFD2;
  background: var(--ls-bg);
  color: var(--ls-text);
  padding: 0;
}

.ls-scroll { flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.ls-body { max-width: 520px; margin: 0 auto; padding: 32px 20px 48px; }

/* Hero image */
.ls-hero {
  margin: -32px -20px 20px;
  overflow: hidden;
  border-radius: 0 0 14px 14px;
  position: relative;
}
.ls-hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 60px;
  background: linear-gradient(to top, var(--ls-bg), transparent);
  pointer-events: none;
}
.ls-hero-img {
  width: 100%; height: 180px; object-fit: cover; display: block;
  filter: saturate(0.85) brightness(0.92);
}

/* Header */
.ls-header { margin-bottom: 20px; }
.ls-difficulty-area { margin-top: 12px; }
.ls-title {
  font-family: 'Playfair Display', Georgia, serif; font-size: 1.8rem;
  font-weight: 400; color: var(--ls-text); margin-bottom: 4px;
}
.ls-subtitle {
  font-family: 'Crimson Text', Georgia, serif; font-size: 0.9rem;
  color: var(--ls-text-muted); line-height: 1.5;
}

/* Sliding toggle bar */
.ls-toggle-bar {
  display: flex; position: relative;
  background: var(--ls-card); border: 1px solid var(--ls-card-edge);
  border-radius: 10px; padding: 3px; margin-bottom: 24px;
}
.ls-toggle-slider {
  position: absolute; top: 3px; bottom: 3px; left: 3px;
  width: calc(50% - 3px); border-radius: 8px;
  background: var(--ls-accent);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}
.ls-toggle-bar.quiz-active .ls-toggle-slider {
  transform: translateX(100%);
}
.ls-toggle-opt {
  flex: 1; position: relative; z-index: 1;
  padding: 10px 8px; border: none; background: transparent;
  font-family: 'Montserrat', sans-serif; font-size: 0.78rem; font-weight: 500;
  color: var(--ls-text-muted); cursor: pointer;
  transition: color 0.3s; text-align: center; border-radius: 8px;
}
.ls-toggle-opt.active {
  color: #fff;
}

/* Label selector grid */
.ls-label-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 20px;
}
.ls-label-card {
  background: var(--ls-card); border: 1.5px solid var(--ls-card-edge);
  border-radius: 10px; padding: 14px 16px; cursor: pointer;
  text-align: left; transition: all 0.25s; width: 100%;
}
.ls-label-card:hover { border-color: var(--ls-gold); }
.ls-label-card.active {
  border-color: var(--ls-gold); background: rgba(184,148,62,0.06);
}
.ls-label-region {
  font-family: 'Cormorant Garamond', serif; font-size: 0.6rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ls-text-faint); margin-bottom: 3px;
}
.ls-label-card.active .ls-label-region { color: var(--ls-gold); }
.ls-label-title {
  font-family: 'Cormorant Garamond', serif; font-size: 0.95rem;
  font-weight: 600; color: var(--ls-text); line-height: 1.2;
}
.ls-label-card.active .ls-label-title { color: var(--ls-text); }
.ls-label-meta {
  font-family: 'Montserrat', sans-serif; font-size: 0.65rem;
  color: var(--ls-text-faint); margin-top: 3px;
}
.ls-label-card.active .ls-label-meta { color: var(--ls-gold); }

/* Old World / New World indicator */
.ls-world-indicator {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; margin-bottom: 16px;
}
.ls-world-pill {
  font-family: 'Montserrat', sans-serif; font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 20px; border: 1px solid var(--ls-card-edge);
  color: var(--ls-text-faint); background: transparent;
}
.ls-world-pill.active {
  color: var(--ls-gold); background: rgba(184,148,62,0.06);
  border-color: rgba(184,148,62,0.2);
}
.ls-world-dot { font-size: 0.6rem; color: var(--ls-card-edge); }

/* Wine label rendering */
.ls-wine-label {
  position: relative; width: 100%; max-width: 320px; margin: 0 auto;
}
.ls-label-surface {
  background: linear-gradient(180deg, #FAF6F0 0%, #F0E8DC 100%);
  border-radius: 8px; border: 1px solid #D4C5B0;
  padding: 32px 28px; position: relative; min-height: 400px;
  box-shadow:
    0 4px 20px rgba(44,24,16,0.08),
    0 1px 3px rgba(44,24,16,0.06),
    inset 0 1px 0 rgba(255,255,255,0.5);
}
.ls-label-border-inner {
  position: absolute; inset: 8px;
  border: 0.5px solid #C4B79C; border-radius: 4px; pointer-events: none;
}

/* Tappable zones on the label */
.ls-zone {
  cursor: pointer; padding: 6px 4px; border-radius: 4px;
  transition: background 0.2s; text-align: center;
}
.ls-zone:hover { background: rgba(184,148,62,0.08); }
.ls-zone.active { background: rgba(184,148,62,0.12); }
.ls-zone--locked { cursor: default; opacity: 0.45; }
.ls-zone--locked:hover { background: transparent; }

.ls-label-producer {
  font-family: 'Cormorant Garamond', serif; font-size: 0.68rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: #8B7355;
  margin-bottom: 16px;
}
.ls-label-divider {
  width: 60px; height: 1px; background: #C4B79C; margin: 0 auto 16px;
}
.ls-label-main-title {
  font-family: 'Cormorant Garamond', serif; font-size: 1.75rem;
  font-weight: 700; color: #2C1810; line-height: 1.1;
}
.ls-label-main-sub {
  font-family: 'Cormorant Garamond', serif; font-size: 0.68rem;
  color: #8B7355; margin-top: 6px; letter-spacing: 0.08em;
}
.ls-label-classification {
  font-family: 'Cormorant Garamond', serif; font-size: 0.82rem;
  font-style: italic; color: #6B5744; letter-spacing: 0.05em;
}
.ls-label-ornament {
  text-align: center; color: #C4B79C; font-size: 1rem; margin: 8px 0;
  font-family: serif;
}
.ls-label-vintage {
  font-family: 'Cormorant Garamond', serif; font-size: 2rem;
  font-weight: 300; color: #2C1810;
}
.ls-label-bottom {
  position: absolute; bottom: 20px; left: 28px; right: 28px; text-align: center;
}
.ls-label-bottom-text {
  font-family: 'Montserrat', sans-serif; font-size: 0.6rem; color: #999;
}

/* Missing grape prompt */
.ls-missing-grape {
  cursor: pointer; margin: 16px auto; padding: 10px 16px;
  border-radius: 6px; border: 1px dashed var(--ls-gold);
  background: rgba(184,148,62,0.03); text-align: center; max-width: 220px;
  transition: all 0.25s;
}
.ls-missing-grape:hover, .ls-missing-grape.active {
  background: rgba(184,148,62,0.08);
}
.ls-missing-grape-title {
  font-family: 'Montserrat', sans-serif; font-size: 0.7rem;
  font-weight: 500; color: var(--ls-gold);
}
.ls-missing-grape-hint {
  font-family: 'Montserrat', sans-serif; font-size: 0.6rem;
  color: var(--ls-text-faint); margin-top: 2px;
}

/* Tap hint */
.ls-tap-hint {
  text-align: center; margin-top: 12px;
  font-family: 'Montserrat', sans-serif; font-size: 0.68rem;
  color: var(--ls-text-faint);
}

/* Explanation panel */
.ls-explanation {
  background: var(--ls-card); border: 1px solid var(--ls-card-edge);
  border-radius: 10px; padding: 20px; margin-top: 16px;
  animation: ls-slide-up 0.3s ease;
}
@keyframes ls-slide-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.ls-expl-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 10px;
}
.ls-expl-bar { width: 3px; height: 16px; background: var(--ls-gold); border-radius: 2px; }
.ls-expl-label {
  font-family: 'Cormorant Garamond', serif; font-size: 0.82rem; font-weight: 600;
  color: var(--ls-gold); letter-spacing: 0.05em; text-transform: uppercase;
}
.ls-expl-text {
  font-family: 'Montserrat', sans-serif; font-size: 0.82rem;
  color: var(--ls-text-muted); line-height: 1.65; margin-bottom: 12px;
}
.ls-wset-box {
  background: rgba(184,148,62,0.05); border: 1px solid rgba(184,148,62,0.12);
  border-radius: 6px; padding: 10px 12px;
}
.ls-wset-label {
  font-family: 'Montserrat', sans-serif; font-size: 0.58rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ls-gold); margin-bottom: 4px;
}
.ls-wset-text {
  font-family: 'Montserrat', sans-serif; font-size: 0.75rem;
  color: var(--ls-text-muted); line-height: 1.5;
}

/* Core rule card */
.ls-core-rule {
  margin-top: 24px; padding: 18px;
  background: rgba(184,148,62,0.04); border: 1px solid rgba(184,148,62,0.1);
  border-radius: 10px;
}
.ls-core-rule-label {
  font-family: 'Montserrat', sans-serif; font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ls-gold); margin-bottom: 8px;
}
.ls-core-rule-text {
  font-family: 'Crimson Text', Georgia, serif; font-size: 0.9rem;
  color: var(--ls-text-muted); line-height: 1.6;
}
.ls-core-rule-text strong { color: var(--ls-text); }
.ls-core-rule-footnote {
  font-family: 'Montserrat', sans-serif; font-size: 0.72rem;
  color: var(--ls-text-faint); margin-top: 8px;
}

/* Scrollable pill selector */
.ls-pill-scroll {
  display: flex; gap: 6px; overflow-x: auto; padding-bottom: 12px; margin-bottom: 8px;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.ls-pill-scroll::-webkit-scrollbar { display: none; }
.ls-pill {
  flex-shrink: 0; padding: 8px 14px; border-radius: 20px;
  border: 1px solid var(--ls-card-edge); background: transparent;
  cursor: pointer; transition: all 0.25s; text-align: left;
}
.ls-pill:hover { border-color: var(--ls-gold); }
.ls-pill-region {
  font-family: 'Montserrat', sans-serif; font-size: 0.68rem; font-weight: 500;
  color: var(--ls-text-muted); display: block; white-space: nowrap;
}
.ls-pill.active .ls-pill-region { color: var(--ls-text); }
.ls-pill-country {
  font-family: 'Montserrat', sans-serif; font-size: 0.55rem; color: var(--ls-text-faint);
}

.ls-world-badge {
  font-family: 'Montserrat', sans-serif; font-size: 0.58rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 20px; border: 1px solid;
}

/* Label accent line */
.ls-label-accent {
  position: absolute; top: 0; left: 30%; right: 30%; height: 2px; opacity: 0.5;
}

/* Zone label floating above */
.ls-zone-label {
  display: block; font-family: 'Montserrat', sans-serif; font-size: 0.5rem;
  font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 2px; white-space: nowrap;
}

/* Label ornament */
.ls-label-ornament-line {
  display: flex; align-items: center; justify-content: center; gap: 8px; margin: 6px 0 2px;
}
.ls-label-ornament-line::before, .ls-label-ornament-line::after {
  content: ''; width: 30px; height: 0.5px; background: #C8B9A4;
}
.ls-label-ornament-dot {
  width: 4px; height: 4px; border-radius: 50%; border: 0.5px solid; opacity: 0.5;
}

/* Mini label for quiz */
.ls-wine-label--mini { margin-bottom: 16px; }
.ls-label-surface--mini { padding: 20px 18px; min-height: auto; }

/* Expert explanation variant */
.ls-explanation--expert {
  border-color: rgba(107,58,46,0.15);
  background: rgba(107,58,46,0.02);
}

/* Explanation level badge */
.ls-expl-level {
  margin-left: auto; font-family: 'Montserrat', sans-serif; font-size: 0.5rem;
  font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 2px 8px; border: 1px solid; border-radius: 10px;
}

/* ── Quiz Mode ─────────────────────────────────────── */

.ls-quiz-icon { font-size: 2.5rem; margin-bottom: 10px; }
.ls-quiz-heading {
  font-family: 'Playfair Display', Georgia, serif; font-size: 1.15rem;
  color: var(--ls-text); margin-bottom: 6px;
}
.ls-quiz-sub {
  font-family: 'Montserrat', sans-serif; font-size: 0.78rem;
  color: var(--ls-text-faint); line-height: 1.5;
}

/* Level buttons */
.ls-quiz-level-btn {
  width: 100%; padding: 18px 20px; margin-bottom: 10px;
  border: 1px solid; border-radius: 8px; background: transparent;
  cursor: pointer; text-align: left; transition: all 0.25s;
  display: flex; align-items: flex-start; gap: 12px; position: relative;
}
.ls-quiz-level-btn:hover { filter: brightness(1.05); }
.ls-quiz-level-accent {
  position: absolute; top: 0; left: 0; width: 3px; height: 100%;
  border-radius: 8px 0 0 8px; opacity: 0.6;
}
.ls-quiz-level-info { flex: 1; }
.ls-quiz-level-title {
  font-family: 'Playfair Display', Georgia, serif; font-size: 1rem;
  color: var(--ls-text); margin-bottom: 4px;
}
.ls-quiz-level-sub {
  font-family: 'Montserrat', sans-serif; font-size: 0.72rem;
  color: var(--ls-text-faint); line-height: 1.5;
}
.ls-quiz-level-count {
  font-family: 'Montserrat', sans-serif; font-size: 0.62rem;
  font-weight: 600; letter-spacing: 0.05em; flex-shrink: 0; margin-top: 4px;
}

/* Progress bar */
.ls-quiz-progress {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.ls-quiz-progress-bar {
  flex: 1; height: 2px; background: var(--ls-card-edge); border-radius: 1px; overflow: hidden;
}
.ls-quiz-progress-fill { height: 100%; border-radius: 1px; transition: width 0.4s ease; }
.ls-quiz-progress-num {
  font-family: 'Montserrat', sans-serif; font-size: 0.62rem; color: var(--ls-text-faint);
}
.ls-quiz-progress-score {
  font-family: 'Montserrat', sans-serif; font-size: 0.62rem; font-weight: 600;
}

/* Question */
.ls-quiz-question {
  font-family: 'Playfair Display', Georgia, serif; font-size: 0.95rem;
  color: var(--ls-text); line-height: 1.55; margin: 16px 0;
}

/* Options */
.ls-quiz-options { display: flex; flex-direction: column; gap: 6px; }
.ls-quiz-opt {
  padding: 12px 14px; border: 1px solid var(--ls-card-edge); border-radius: 6px;
  background: var(--ls-card); cursor: pointer; color: var(--ls-text-muted);
  font-family: 'Montserrat', sans-serif; font-size: 0.82rem; text-align: left;
  transition: all 0.2s; display: flex; align-items: flex-start; gap: 10px; line-height: 1.4;
}
.ls-quiz-opt:hover:not(:disabled) { border-color: var(--ls-gold); }
.ls-quiz-opt.selected { border-color: var(--ls-gold); background: rgba(184,148,62,0.05); color: var(--ls-text); }
.ls-quiz-opt.correct { border-color: var(--ls-correct); background: rgba(107,127,94,0.08); color: var(--ls-correct); }
.ls-quiz-opt.incorrect { border-color: #A0614B; background: rgba(160,97,75,0.08); color: #A0614B; }
.ls-quiz-opt-letter {
  font-size: 0.68rem; font-weight: 600; color: var(--ls-text-faint); min-width: 16px; margin-top: 1px;
}
.ls-quiz-check { margin-left: auto; flex-shrink: 0; }

/* Explanation */
.ls-quiz-explanation {
  margin-top: 14px; padding: 16px 18px; border-radius: 8px;
  animation: ls-slide-up 0.3s ease;
}
.ls-quiz-explanation.correct { background: rgba(107,127,94,0.05); border: 1px solid rgba(107,127,94,0.12); }
.ls-quiz-explanation.incorrect { background: rgba(160,97,75,0.05); border: 1px solid rgba(160,97,75,0.12); }
.ls-quiz-expl-status {
  font-family: 'Montserrat', sans-serif; font-size: 0.75rem; font-weight: 600;
  margin-bottom: 6px; letter-spacing: 0.04em;
}
.ls-quiz-explanation.correct .ls-quiz-expl-status { color: var(--ls-correct); }
.ls-quiz-explanation.incorrect .ls-quiz-expl-status { color: #A0614B; }
.ls-quiz-expl-text {
  font-family: 'Crimson Text', Georgia, serif; font-size: 0.85rem;
  color: var(--ls-text-muted); line-height: 1.7;
}

/* Action buttons */
.ls-quiz-action {
  width: 100%; padding: 13px; border: 1px solid var(--ls-card-edge);
  border-radius: 6px; background: transparent; cursor: pointer;
  color: var(--ls-text); font-family: 'Playfair Display', Georgia, serif;
  font-size: 0.88rem; font-weight: 500; transition: all 0.2s;
}
.ls-quiz-action:disabled { opacity: 0.4; cursor: not-allowed; }
.ls-quiz-action:hover:not(:disabled) { transform: translateY(-1px); }
.ls-quiz-action--secondary {
  font-family: 'Montserrat', sans-serif; font-size: 0.78rem; font-weight: 400;
  color: var(--ls-text-muted);
}
.ls-quiz-action--tertiary {
  font-family: 'Montserrat', sans-serif; font-size: 0.72rem; font-weight: 300;
  color: var(--ls-text-faint);
}

/* Results */
.ls-quiz-result-level {
  font-family: 'Montserrat', sans-serif; font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--ls-text-faint); margin-bottom: 8px;
}
.ls-quiz-result-score {
  font-family: 'Playfair Display', Georgia, serif; font-size: 3rem; font-weight: 300; margin-bottom: 4px;
}
.ls-quiz-result-msg {
  font-family: 'Crimson Text', Georgia, serif; font-size: 0.88rem;
  color: var(--ls-text-faint); margin-bottom: 28px; line-height: 1.5;
}
.ls-quiz-result-ctas { display: flex; flex-direction: column; gap: 8px; }

/* Mobile */
@media (max-width: 768px) {
  .ls-body { padding: 24px 16px 40px; }
  .ls-label-surface { padding: 28px 22px; min-height: 360px; }
  .ls-label-surface--mini { padding: 16px 14px; }
}