/**
 * Mobile Study Readability V2 — lower-third placard, coherent verse blocks.
 * Enable: ?typography=mobile-v2  (study capture / index.html)
 */

html.kml-typography-mobile-v2 {
  --kml-size-verse-jp: clamp(1.85rem, 6.5vmin, 3.75rem);
  --kml-size-verse-en: clamp(1.28rem, 4.6vmin, 2.45rem);
  --kml-size-keyword: clamp(1.82rem, 5.25vmin, 3.06rem);
  --kml-color-verse-jp: #f0e8da;
  --kml-color-verse-en: rgba(235, 224, 206, 0.88);
  --kml-shadow-verse-jp: 0 1px 3px rgba(0, 0, 0, 0.42);
  --kml-shadow-verse-en: 0 1px 3px rgba(0, 0, 0, 0.38);
  --kml-shadow-keyword: 0 1px 3px rgba(0, 0, 0, 0.45);
  --kml-verse-block-strength: 0.36;
}

/* Study capture — image primary, text in lower third */
html.kml-typography-mobile-v2 .ambient-root.is-foundations {
  --ambient-overlay: 0.38;
}

html.kml-typography-mobile-v2 .ambient-root.is-foundations .ambient-stage {
  display: block;
  position: relative;
  height: 100%;
  padding: 0;
  gap: 0;
}

/* Kanji + keyword: upper area during title beats */
html.kml-typography-mobile-v2 .ambient-root.is-foundations .ambient-kanji-block {
  position: absolute;
  top: clamp(2.5rem, 11vh, 5rem);
  left: 50%;
  transform: translateX(-50%);
  width: min(92vw, 34rem);
  z-index: 3;
}

html.kml-typography-mobile-v2 .ambient-root.is-foundations .ambient-keyword {
  letter-spacing: 0.16em;
}

/* Verse placard — lower third, single coherent block */
html.kml-typography-mobile-v2 .ambient-root.is-foundations .ambient-verses {
  position: absolute;
  left: 50%;
  bottom: clamp(1.95rem, 10vh, 5rem);
  transform: translateX(-50%);
  width: min(94vw, 40rem);
  max-width: 40rem;
  padding: 0 clamp(0.75rem, 3.5vw, 1.5rem);
  z-index: 3;
}

html.kml-typography-mobile-v2 .ambient-root.is-foundations .ambient-verse-jp,
html.kml-typography-mobile-v2 .ambient-root.is-foundations .ambient-verse-en {
  font-weight: 400;
  letter-spacing: 0.02em;
}

html.kml-typography-mobile-v2 .ambient-root.is-foundations .ambient-verse-jp {
  margin: 0;
  text-align: center;
  line-height: 1.62;
  white-space: normal;
  word-break: normal;
  line-break: strict;
  overflow-wrap: normal;
  text-wrap: balance;
}

/* Collapse source indentation after manual <br> — keeps phrase lines only */
html.kml-typography-mobile-v2 .ambient-verse-jp br {
  display: block;
  content: "";
  margin-top: 0.35em;
}

html.kml-typography-mobile-v2 .ambient-verse-jp ruby {
  ruby-position: over;
}

html.kml-typography-mobile-v2 .ambient-verse-jp ruby rt {
  opacity: 0;
}

/* Verse phase: hide centre kanji so artwork stays unobstructed */
html.kml-typography-mobile-v2
  .ambient-root.is-foundations:has(.ambient-verse-jp.is-visible)
  .ambient-kanji-block {
  opacity: 0 !important;
  transition: opacity var(--ambient-fade) ease-in-out;
}

html.kml-typography-mobile-v2 .ambient-root.is-foundations .ambient-verse-en {
  display: none;
}