/**
 * Compounds Exhibition — target kanji → familiar compounds on gallery artwork.
 * Enable: exhibitProfile compoundsExhibition + typography mobile-refine
 */

.exhibition-root.is-compounds-exhibition {
  /* Match foundations / vocabulary legibility on gallery artwork */
  --kml-compounds-jp: clamp(4.5rem, 15vmin, 9rem);
  --kml-compounds-reading: var(--kml-foundations-exhibition-verse-jp);
  --kml-compounds-en: var(--kml-foundations-exhibition-verse-en);
  --kml-compounds-hint: clamp(2rem, 7vmin, 3.55rem);
  --kml-compounds-target: clamp(7.5rem, 24vmin, 13.5rem);
  --kml-compounds-shadow-jp:
    0 1px 3px rgba(0, 0, 0, 0.78),
    0 3px 20px rgba(0, 0, 0, 0.62),
    0 0 36px rgba(0, 0, 0, 0.45);
  --kml-compounds-shadow-en:
    0 1px 3px rgba(0, 0, 0, 0.72),
    0 3px 16px rgba(0, 0, 0, 0.55),
    0 0 28px rgba(0, 0, 0, 0.4);
}

.exhibition-root.is-compounds-exhibition .exhibition-keyword {
  display: none !important;
}

.exhibition-root.is-compounds-exhibition .exhibition-veil {
  opacity: 0 !important;
  pointer-events: none;
}

.exhibition-root.is-compounds-exhibition.is-initial-black .exhibition-veil {
  opacity: 1 !important;
}

.exhibition-root.is-compounds-exhibition .exhibition-artwork {
  transition: opacity var(--ex-artwork-arrival, var(--ex-transition, 3.5s)) ease-in-out;
}

.exhibition-root.is-compounds-exhibition .exhibition-artwork.is-exhaling {
  transition-duration: var(--ex-transition, 3.5s);
  opacity: 0;
}

.exhibition-root.is-compounds-exhibition .exhibition-artwork.is-on-top {
  z-index: 2;
}

/* Target kanji — brief bookends within each exhibit */
.exhibition-root.is-compounds-exhibition .exhibition-title {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 8;
  width: min(92vw, 40rem);
  pointer-events: none;
}

.exhibition-root.is-compounds-exhibition .exhibition-kanji {
  font-family: var(--kml-font-kanji-main);
  font-size: var(--kml-compounds-target);
  font-weight: 400;
  line-height: 1;
  letter-spacing: var(--kml-kanji-letter-spacing);
  color: rgba(245, 240, 232, 0.98);
  text-shadow:
    0 2px 14px rgba(0, 0, 0, 0.65),
    0 0 32px rgba(0, 0, 0, 0.48);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--ex-compounds-fade, 1.4s) ease-in-out,
    transform var(--ex-compounds-fade, 1.4s) ease-in-out;
}

.exhibition-root.is-compounds-exhibition .exhibition-kanji.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.exhibition-root.is-compounds-exhibition .exhibition-kanji.is-target-return {
  font-size: calc(var(--kml-compounds-target) * 0.88);
}

/* Compound stack — true vertical center (override sequential verse overlap) */
html.kml-typography-mobile-refine.kml-verse-sequential
  .exhibition-root.is-compounds-exhibition
  .exhibition-notes {
  position: fixed;
  inset: 0;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(92vw, 44rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  min-height: 100%;
  z-index: 9;
  pointer-events: none;
}

html.kml-typography-mobile-refine.kml-verse-sequential
  .exhibition-root.is-compounds-exhibition
  .exhibition-verse-jp,
html.kml-typography-mobile-refine.kml-verse-sequential
  .exhibition-root.is-compounds-exhibition
  .exhibition-verse-en {
  position: relative !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  bottom: auto !important;
  transform: none !important;
  width: 100%;
  margin: 0;
}

html.kml-typography-mobile-refine.kml-verse-sequential
  .exhibition-root.is-compounds-exhibition
  .exhibition-verse-jp {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45em;
  padding: 0 clamp(0.5rem, 2vw, 1rem);
  text-align: center;
  font-size: var(--kml-compounds-jp);
  line-height: 1.2;
  opacity: 0;
  transition: opacity var(--ex-verse-fade, 1.4s) ease-in-out;
}

html.kml-typography-mobile-refine.kml-verse-sequential
  .exhibition-root.is-compounds-exhibition
  .exhibition-verse-jp.is-visible {
  opacity: 1;
}

html.kml-typography-mobile-refine.kml-verse-sequential
  .exhibition-root.is-compounds-exhibition
  .exhibition-verse-en {
  padding: 0 clamp(0.75rem, 3vw, 1.5rem);
  text-align: center;
  font-family: var(--kml-font-heart-voice);
  font-size: var(--kml-compounds-en);
  font-weight: 500;
  font-style: italic;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--kml-color-verse-en);
  text-shadow: var(--kml-compounds-shadow-en);
  opacity: 0;
  transition: opacity var(--ex-compounds-en-fade, var(--ex-verse-fade, 1.4s)) ease-in-out;
}

html.kml-typography-mobile-refine.kml-verse-sequential
  .exhibition-root.is-compounds-exhibition
  .exhibition-verse-en.is-visible {
  opacity: 1;
}

.exhibition-root.is-compounds-exhibition .kml-compound-jp {
  display: block;
  font-family: var(--kml-font-heart-verse-jp);
  font-size: calc(var(--kml-compounds-jp) * var(--kml-compound-word-scale, 1));
  white-space: nowrap;
  font-weight: 600;
  line-height: 1.15;
  color: rgba(255, 252, 245, 0.98);
  text-shadow: var(--kml-compounds-shadow-jp);
}

.exhibition-root.is-compounds-exhibition .kml-compound-reading {
  display: block;
  font-family: var(--kml-font-heart-verse-jp);
  font-size: var(--kml-compounds-reading);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.94);
  text-shadow: var(--kml-compounds-shadow-jp);
  opacity: 0;
  transition: opacity var(--ex-verse-fade, 1.4s) ease-in-out;
}

.exhibition-root.is-compounds-exhibition .kml-compound-reading.is-visible {
  opacity: 1;
}

.exhibition-root.is-compounds-exhibition .kml-compound-hint {
  display: block;
  font-family: var(--kml-font-heart-verse-jp);
  font-size: var(--kml-compounds-hint);
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.04em;
  color: rgba(235, 226, 210, 0.88);
  text-shadow: var(--kml-compounds-shadow-jp);
  opacity: 0;
  transition: opacity var(--ex-verse-fade, 1.4s) ease-in-out;
}

.exhibition-root.is-compounds-exhibition .kml-compound-hint.is-visible {
  opacity: 1;
}

/* Furigana — same gentle reveal as vocabulary */
.exhibition-root.is-compounds-exhibition .exhibition-verse-jp.show-furigana ruby {
  ruby-position: over;
}

.exhibition-root.is-compounds-exhibition .exhibition-verse-jp.show-furigana ruby rt {
  font-family: var(--kml-font-heart-verse-jp);
  font-size: 0.46em;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-shadow: var(--kml-compounds-shadow-jp);
  transition: opacity var(--ex-furigana-fade, 2.2s) ease-in-out;
}

.exhibition-root.is-compounds-exhibition
  .exhibition-verse-jp.show-furigana.is-furigana-hidden
  ruby
  rt,
.exhibition-root.is-compounds-exhibition
  .exhibition-verse-jp.show-furigana.is-furigana-entering
  ruby
  rt {
  opacity: 0;
}

.exhibition-root.is-compounds-exhibition
  .exhibition-verse-jp.show-furigana:not(.is-furigana-hidden):not(.is-furigana-fading):not(
    .is-furigana-entering
  )
  ruby
  rt {
  opacity: 1;
}

.exhibition-root.is-compounds-exhibition .exhibition-verse-jp.show-furigana.is-furigana-fading ruby rt {
  opacity: 0;
}