/**
 * Unified quiz surface — shared tokens & components
 * Used by watch overlay, catalog timed quiz, modal info pane
 */

.quiz-surface {
  --quiz-bg: #0f1729;
  --quiz-bg-bottom: #152238;
  --quiz-surface: #1a2740;
  --quiz-elevated: #243352;
  --quiz-ink: #f8fafc;
  --quiz-muted: #94a8c4;
  --quiz-accent: #6ba3e0;
  --quiz-accent-deep: #4d86c4;
  --quiz-accent-light: #8eb8ea;
  --quiz-border: rgba(255, 255, 255, 0.18);
  --quiz-border-strong: rgba(139, 184, 234, 0.55);
  --quiz-opt-min-h: 3rem;
  --quiz-radius: 1rem;
  --quiz-radius-lg: 1.25rem;
  --quiz-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
  --quiz-focus-ring: 0 0 0 3px rgba(107, 163, 224, 0.45);
  color: var(--quiz-ink);
}

/* ── Progress ── */
.quiz-surface__progress-wrap {
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.quiz-surface__progress {
  position: relative;
  height: 0.625rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.quiz-surface__progress-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--quiz-accent-deep);
  transition: width 0.35s ease;
}

[dir='rtl'] .quiz-surface__progress-fill {
  margin-inline-start: auto;
}

.quiz-surface__progress-label {
  margin: 0.5rem 0 0;
  font-size: clamp(0.85rem, 3vw, 0.95rem);
  font-weight: 800;
  color: var(--quiz-muted);
  letter-spacing: 0.02em;
  flex: 1 1 auto;
}

.quiz-surface__type-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--quiz-accent-light);
  background: rgba(77, 134, 196, 0.22);
  border: 1px solid var(--quiz-border-strong);
  margin-top: 0.5rem;
}

.quiz-surface__progress-wrap .quiz-surface__progress {
  flex: 1 1 100%;
  width: 100%;
}

/* ── Header ── */
.quiz-surface__head {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.quiz-surface__icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--quiz-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--quiz-elevated);
  border: 1px solid var(--quiz-border);
  color: var(--quiz-accent-light);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.quiz-surface__title {
  margin: 0;
  font-size: clamp(1.15rem, 4vw, 1.6rem);
  font-weight: 900;
  color: var(--quiz-ink);
  line-height: 1.25;
}

.quiz-surface__sub {
  margin: 0.35rem 0 0;
  font-size: clamp(0.8rem, 2.5vw, 0.9rem);
  font-weight: 600;
  color: var(--quiz-muted);
  line-height: 1.45;
}

/* ── Question card ── */
.quiz-surface__question-card {
  background: var(--quiz-surface);
  border: 1px solid var(--quiz-border);
  border-radius: var(--quiz-radius-lg);
  padding: 1.15rem 1.25rem;
  margin-bottom: 0.5rem;
}

.quiz-surface__question-text,
.watch-quiz-question-text {
  font-size: clamp(1.35rem, 4.5vw, 1.75rem);
  font-weight: 800;
  color: var(--quiz-ink);
  line-height: 1.5;
  margin: 0 0 1rem;
}

/* ── Option grid ── */
.quiz-surface__opt-grid,
.watch-quiz-opt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

@media (min-width: 480px) {
  .quiz-surface__opt-grid:not(.watch-quiz-opt-grid) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }
}

@media (min-width: 640px) {
  .watch-quiz-overlay .watch-quiz-opt-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }
}

/* ── Option buttons ── */
.quiz-surface__opt,
.quiz-surface .quiz-opt,
.quiz-surface .quiz-option,
.watch-quiz-overlay .watch-quiz-opt,
.watch-quiz-overlay .quiz-opt.watch-quiz-opt {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: var(--quiz-opt-min-h);
  padding: 0.85rem 1.1rem;
  margin: 0;
  border-radius: var(--quiz-radius);
  border: 2px solid var(--quiz-border);
  background: var(--quiz-elevated);
  color: var(--quiz-ink);
  font-size: clamp(0.95rem, 2.8vw, 1.05rem);
  font-weight: 800;
  text-align: right;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, transform 0.12s ease;
}

.watch-quiz-overlay .quiz-opt,
.watch-quiz-overlay .quiz-option,
.watch-quiz-overlay .quiz-tf-btn,
.watch-quiz-overlay .quiz-image-card,
.watch-quiz-overlay .quiz-color-dot,
.watch-quiz-overlay .quiz-surface__btn {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.quiz-surface__opt:hover,
.quiz-surface .quiz-opt:hover,
.quiz-surface .quiz-option:hover,
.watch-quiz-overlay .watch-quiz-opt:hover,
.watch-quiz-overlay .quiz-opt.watch-quiz-opt:hover {
  border-color: var(--quiz-border-strong);
  background: rgba(36, 51, 82, 0.95);
}

.quiz-surface__opt:focus-visible,
.quiz-surface .quiz-opt:focus-visible,
.quiz-surface .quiz-option:focus-visible,
.watch-quiz-overlay .watch-quiz-opt:focus-visible,
.watch-quiz-overlay .quiz-opt.watch-quiz-opt:focus-visible {
  outline: none;
  box-shadow: var(--quiz-focus-ring);
}

.quiz-surface__opt.selected,
.quiz-surface .quiz-opt.selected,
.quiz-surface .quiz-option.selected,
.watch-quiz-overlay .watch-quiz-opt.selected,
.watch-quiz-overlay .quiz-opt.watch-quiz-opt.selected {
  border-color: var(--quiz-accent-light);
  background: rgba(77, 134, 196, 0.42);
  box-shadow: var(--quiz-focus-ring);
}

.watch-quiz-overlay .watch-quiz-opt:active,
.watch-quiz-overlay .quiz-opt.watch-quiz-opt:active {
  transform: scale(0.98);
}

.quiz-opt--latin,
.quiz-surface__opt--latin {
  direction: ltr;
  text-align: center;
  justify-content: center;
  font-family: ui-sans-serif, system-ui, sans-serif;
}

/* ── Action bar ── */
.quiz-surface__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--quiz-border);
}

.quiz-surface__actions .quiz-surface__btn {
  flex: 1 1 140px;
  min-height: var(--quiz-opt-min-h);
  font-size: 1rem;
  font-weight: 800;
  border-radius: var(--quiz-radius);
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.watch-quiz-overlay .quiz-surface__actions .quiz-surface__btn {
  min-height: 3rem;
}

.quiz-surface__btn--primary {
  background: var(--quiz-accent-deep);
  color: #fff;
  border: 2px solid transparent;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
}

.quiz-surface__btn--primary:hover {
  filter: brightness(1.08);
}

.quiz-surface__btn--primary:focus-visible {
  outline: none;
  box-shadow: var(--quiz-focus-ring), 0 6px 20px rgba(0, 0, 0, 0.28);
}

.quiz-surface__btn--primary:disabled,
.quiz-surface__btn--primary.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
  box-shadow: none;
  transform: none;
}

.quiz-surface__btn--primary:disabled:hover,
.quiz-surface__btn--primary.is-disabled:hover {
  filter: none;
}

.quiz-surface__btn--primary.is-ready:not(:disabled):not(.is-disabled) {
  box-shadow: var(--quiz-focus-ring), 0 8px 24px rgba(107, 163, 224, 0.35);
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.quiz-surface__btn--ghost {
  background: transparent;
  color: var(--quiz-ink);
  border: 2px solid var(--quiz-border);
}

.quiz-surface__btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--quiz-border-strong);
}

.quiz-surface__btn--ghost:focus-visible {
  outline: none;
  box-shadow: var(--quiz-focus-ring);
}

.quiz-surface__defer {
  display: block;
  width: 100%;
  margin-top: 0.65rem;
  padding: 0.5rem;
  background: none;
  border: none;
  color: var(--quiz-muted);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

.watch-quiz-overlay .quiz-surface__defer {
  min-height: 2.75rem;
  padding-top: 0.6rem;
  padding-bottom: max(0.6rem, env(safe-area-inset-bottom));
}

.quiz-surface__defer:hover,
.quiz-surface__defer:focus-visible {
  color: var(--quiz-ink);
  outline: none;
}

/* ── Panel (catalog timed quiz shell) ── */
.quiz-surface__panel {
  color: var(--quiz-ink);
}

.quiz-surface__panel-meta {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--quiz-muted);
  margin-bottom: 0.75rem;
}

.quiz-surface__result-title {
  font-size: clamp(1.1rem, 4vw, 1.35rem);
  font-weight: 900;
  color: var(--quiz-ink);
  margin: 0 0 0.75rem;
}

.quiz-surface__result-sub {
  font-size: 0.9rem;
  color: var(--quiz-muted);
  margin: 0 0 1.25rem;
}

@media (max-width: 639px) {
  .quiz-surface__actions {
    flex-direction: column;
  }

  .quiz-surface__actions .quiz-surface__btn {
    flex: 1 1 auto;
    width: 100%;
  }

  #watch-quiz-clear-btn {
    order: 1;
  }

  #watch-quiz-skip-btn {
    order: 2;
  }

  #watch-quiz-next-btn {
    order: 3;
  }

  .quiz-surface__opt-grid,
  .watch-quiz-overlay .watch-quiz-opt-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .quiz-surface,
  .watch-quiz-overlay.quiz-surface {
    --quiz-opt-min-h: 3.5rem;
  }

  .quiz-surface__progress {
    height: 0.75rem;
  }
}

@media (max-width: 479px) {
  .quiz-surface {
    --quiz-opt-min-h: 3.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .quiz-surface__progress-fill,
  .quiz-surface__opt,
  .quiz-surface .quiz-opt,
  .quiz-surface .quiz-option {
    transition: none !important;
  }
}