/* Fu Hok Seung Ying Kuen quiz — [yhg_fu_hok_quiz] */

.yhg-fu-hok-quiz {
  --quiz-gold: var(--gold, #c9a227);
  --quiz-ink: var(--ink-card, #181b21);
  --quiz-paper: var(--paper, #f6f4ef);
  --quiz-muted: var(--muted, #8a8f98);
  max-width: 720px;
  margin: 1.5rem auto 3rem;
  padding: 0 0.25rem;
  color: var(--quiz-paper);
  font-family: var(--font-body, "Source Sans 3", system-ui, sans-serif);
  box-sizing: border-box;
  width: 100%;
  overflow-x: clip;
}

.yhg-fu-hok-quiz *,
.yhg-fu-hok-quiz *::before,
.yhg-fu-hok-quiz *::after {
  box-sizing: border-box;
}

.yhg-quiz-eyebrow {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--quiz-gold);
  margin: 0 0 0.5rem;
}

.yhg-quiz-title {
  font-family: var(--font-display, "Cormorant Garamond", Georgia, serif);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--quiz-paper);
}

.yhg-quiz-zh {
  margin: 0 0 0.75rem;
  color: var(--quiz-gold);
  font-size: 1.25rem;
}

.yhg-quiz-zh-lg {
  display: block;
  font-size: 1.75rem;
  color: var(--quiz-gold);
  margin: 0.5rem 0 1rem;
  text-align: center;
}

.yhg-quiz-lead,
.yhg-quiz-note,
.yhg-quiz-hint {
  color: var(--quiz-muted);
  margin: 0 0 1.25rem;
  line-height: 1.5;
}

.yhg-quiz-levels {
  display: grid;
  gap: 0.85rem;
}

.yhg-quiz-level-card {
  display: grid;
  gap: 0.25rem;
  text-align: left;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border, rgba(201, 162, 39, 0.28));
  border-radius: var(--radius, 10px);
  background: rgba(24, 27, 33, 0.85);
  color: inherit;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
}

.yhg-quiz-level-card:hover,
.yhg-quiz-level-card:focus-visible {
  border-color: var(--quiz-gold);
  transform: translateY(-1px);
  outline: none;
}

.yhg-quiz-level-num {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--quiz-gold);
}

.yhg-quiz-level-name {
  font-family: var(--font-display, Georgia, serif);
  font-size: 1.35rem;
  font-weight: 600;
}

.yhg-quiz-level-desc {
  font-size: 0.95rem;
  color: var(--quiz-muted);
}

.yhg-quiz-toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.yhg-quiz-toolbar-title {
  font-weight: 600;
  color: var(--quiz-gold);
}

.yhg-quiz-back,
.yhg-quiz-btn,
.yhg-quiz-tts,
.yhg-quiz-chip,
.yhg-quiz-choice {
  font: inherit;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid var(--border, rgba(201, 162, 39, 0.28));
  background: transparent;
  color: var(--quiz-paper);
  padding: 0.7rem 1rem;
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.yhg-quiz-back:hover,
.yhg-quiz-btn:hover,
.yhg-quiz-tts:hover,
.yhg-quiz-chip:hover {
  border-color: var(--quiz-gold);
}

.yhg-quiz-btn-primary {
  background: var(--quiz-gold);
  color: #141414;
  border-color: var(--quiz-gold);
  font-weight: 600;
}

.yhg-quiz-tts--inline {
  padding: 0.2rem 0.55rem;
  font-size: 0.85rem;
  margin-left: 0.35rem;
  vertical-align: middle;
}

.yhg-quiz-tts--lg {
  display: block;
  width: 100%;
  max-width: 280px;
  margin: 0 auto 0.75rem;
  padding: 0.85rem 1rem;
  font-size: 1.05rem;
  border-color: var(--quiz-gold);
}

.yhg-quiz-filters {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 0.35rem;
  max-width: 100%;
}

.yhg-quiz-chip {
  font-size: 0.8rem;
  padding: 0.45rem 0.75rem;
  white-space: nowrap;
  flex: 0 0 auto;
}

.yhg-quiz-chip.is-active {
  background: rgba(201, 162, 39, 0.2);
  border-color: var(--quiz-gold);
  color: var(--quiz-gold);
}

.yhg-quiz-flash-stage {
  min-height: 280px;
  perspective: 1200px;
  margin-bottom: 1rem;
}

.yhg-quiz-card {
  position: relative;
  width: 100%;
  min-height: 280px;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.45s ease;
  color: inherit;
  font: inherit;
  text-align: left;
}

.yhg-quiz-card.is-flipped {
  transform: rotateY(180deg);
}

.yhg-quiz-card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border: 1px solid var(--border, rgba(201, 162, 39, 0.28));
  border-radius: var(--radius-lg, 16px);
  background: linear-gradient(160deg, rgba(26, 29, 35, 0.98), rgba(15, 17, 20, 0.95));
  padding: 1.5rem 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-card, 0 12px 28px rgba(0, 0, 0, 0.25));
}

.yhg-quiz-card-back {
  transform: rotateY(180deg);
  overflow: auto;
}

.yhg-quiz-card-sec {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--quiz-gold);
}

.yhg-quiz-card-q,
.yhg-quiz-q {
  font-family: var(--font-display, Georgia, serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.35;
}

.yhg-quiz-card-a {
  margin: 0;
  line-height: 1.55;
  font-size: 1.02rem;
}

.yhg-quiz-card-hint {
  font-size: 0.85rem;
  color: var(--quiz-muted);
}

.yhg-quiz-canto {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-top: 0.35rem;
}

.yhg-quiz-canto-label {
  color: var(--quiz-muted);
  font-size: 0.9rem;
}

.yhg-quiz-sheet {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-top: 0.85rem;
  border-radius: 8px;
  border: 1px solid rgba(201, 162, 39, 0.25);
  background: #fff;
}

.yhg-quiz-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.yhg-quiz-prog {
  color: var(--quiz-muted);
  font-size: 0.9rem;
  text-align: center;
}

.yhg-quiz-choices {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
}

.yhg-quiz-choice {
  text-align: left;
  padding: 0.85rem 1rem;
  line-height: 1.4;
  background: rgba(24, 27, 33, 0.75);
}

.yhg-quiz-choice:hover:not(:disabled) {
  border-color: var(--quiz-gold);
}

.yhg-quiz-choice.is-correct {
  border-color: #3d9a5f;
  background: rgba(61, 154, 95, 0.15);
}

.yhg-quiz-choice.is-wrong {
  border-color: #c45c5c;
  background: rgba(196, 92, 92, 0.12);
}

.yhg-quiz-choice.is-picked {
  opacity: 0.45;
}

.yhg-quiz-choice:disabled {
  cursor: default;
}

.yhg-quiz-result {
  text-align: center;
  padding: 1.5rem 0;
}

.yhg-quiz-result h3 {
  font-family: var(--font-display, Georgia, serif);
  font-size: 1.75rem;
  color: var(--quiz-gold);
  margin: 0 0 0.5rem;
}

.yhg-quiz-order-pool,
.yhg-quiz-order-slots {
  display: grid;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.yhg-quiz-order-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem;
  align-items: stretch;
}

.yhg-quiz-order-chip {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px dashed var(--border, rgba(201, 162, 39, 0.28));
  background: rgba(24, 27, 33, 0.6);
}

.yhg-quiz-order-chip.is-correct {
  border-style: solid;
  border-color: #3d9a5f;
}

.yhg-quiz-order-chip.is-wrong {
  border-style: solid;
  border-color: #c45c5c;
}

@media (max-width: 640px) {
  .yhg-fu-hok-quiz {
    margin: 0.75rem auto 2.5rem;
    padding: 0;
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
  }

  .yhg-quiz-title {
    font-size: clamp(1.45rem, 6.5vw, 1.9rem);
  }

  .yhg-quiz-zh-lg {
    font-size: 1.45rem;
  }

  .yhg-quiz-level-card {
    padding: 1rem 1.1rem;
    min-height: 44px;
  }

  .yhg-quiz-level-name {
    font-size: 1.2rem;
  }

  .yhg-quiz-toolbar {
    position: sticky;
    top: 0;
    z-index: 5;
    padding: 0.5rem 0;
    background: linear-gradient(180deg, rgba(15, 17, 20, 0.96) 70%, transparent);
    margin-left: -0.1rem;
    margin-right: -0.1rem;
  }

  .yhg-quiz-toolbar-title {
    font-size: 0.9rem;
    flex: 1;
    min-width: 0;
  }

  .yhg-quiz-flash-stage {
    min-height: min(58vh, 380px);
  }

  .yhg-quiz-card {
    min-height: min(58vh, 380px);
  }

  .yhg-quiz-card-face {
    padding: 1.15rem 1rem;
  }

  .yhg-quiz-card-q,
  .yhg-quiz-q {
    font-size: 1.15rem;
  }

  .yhg-quiz-card-a {
    font-size: 0.98rem;
  }

  .yhg-quiz-nav {
    gap: 0.5rem;
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
  }

  .yhg-quiz-nav .yhg-quiz-btn {
    flex: 1;
    text-align: center;
  }

  .yhg-quiz-prog {
    flex: 0 0 auto;
    min-width: 3.5rem;
  }

  .yhg-quiz-choice {
    padding: 0.95rem 1rem;
    font-size: 1rem;
    width: 100%;
  }

  .yhg-quiz-tts--lg {
    max-width: none;
    width: 100%;
  }

  .yhg-quiz-order-row {
    grid-template-columns: 1fr;
  }

  .yhg-quiz-order-row .yhg-quiz-tts {
    width: 100%;
  }
}

@media (max-width: 380px) {
  .yhg-quiz-nav {
    flex-wrap: wrap;
  }

  .yhg-quiz-nav .yhg-quiz-prog {
    order: -1;
    width: 100%;
    margin-bottom: 0.25rem;
  }
}