/* yurei.css — yurei mascot easter-egg widget (K115 core + K116 choreography)
   Site-side DOM layer. Loaded ONLY by heavy-read pages.
   Pointer-events:none on every layer — she is present, never interactive (asset spec sec5).
   Floor: container bottom >= 2.5rem + 8px above viewport bottom (ambient-bar band inviolate).
   Z-band: above content, below gallery lightbox/theater.
   Motion: entrance fade (CSS) + transit translateX / exorcism fade (transition set inline by yurei.js). */

#yurei {
  position: fixed;
  z-index: var(--yurei-z, 50);
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.8s ease;      /* sec5 simple-fade entrance; transit/exorcism transitions set inline by JS */
  will-change: opacity, transform;
  /* left / top / width / height / transform set inline by yurei.js */
}

#yurei.yurei-in { opacity: 0.48; }     /* K118 baked: 0.80->0.65->0.54->0.48 */

#yurei video,
#yurei img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}

/* idle = video visible, still hidden. WATCH/still = still visible, video suppressed. */
#yurei img { opacity: 0; }
#yurei[data-watch="1"] video { visibility: hidden; }
#yurei[data-watch="1"] img { opacity: 1; }

/* still-only mode (reduced-motion opt-out, or sha256 gate fallback): canonical still, no video. */
#yurei[data-still="1"] video { display: none; }
#yurei[data-still="1"] img { opacity: 1; }

/* K116 — text-surfacing fragment layer (text library sec3 typography lock).
   EB Garamond by inheritance, roman, site body colour at 0.57 (the opacity IS the lock),
   no chrome of any kind. opacity + transform driven by JS transitions. */
.yurei-fragment {
  position: fixed;
  z-index: var(--yurei-z, 50);
  pointer-events: none;
  margin: 0;
  max-width: 22rem;
  font-family: var(--font-body, Georgia, "Times New Roman", serif);
  font-style: normal;                 /* roman — italics read as whisper-voiceover (sec3) */
  font-size: 0.95em;
  line-height: 1.35;
  color: var(--c-fg);                 /* site body white; 0.57 carried by element opacity */
  opacity: 0;                         /* JS fades 0 -> 0.57 */
  background: none;
  border: 0;
  box-shadow: none;
  text-shadow: none;
  will-change: opacity, transform;
  -webkit-user-select: none;
  user-select: none;
}