@keyframes koroBreath {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@keyframes lanternGlow {
  0%,
  100% {
    filter: drop-shadow(0 0 6px var(--color-gold));
  }
  50% {
    filter: drop-shadow(0 0 18px var(--color-gold));
  }
}

@keyframes typeReveal {
  from { max-width: 0; opacity: 1; }
  to   { max-width: 320px; opacity: 1; }
}

@keyframes caretBlink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.koro-wrapper {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  width: min(28vw, 280px);
  z-index: var(--z-character);
}

.koro-sprite {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  opacity: 0;
  transition: opacity 200ms ease;
  filter: drop-shadow(0 0 6px var(--color-gold));
  pointer-events: none;
}

.koro-sprite.active {
  position: relative;
  opacity: 1;
  animation:
    koroBreath 2.5s ease-in-out infinite,
    lanternGlow 1.8s ease-in-out infinite;
  pointer-events: auto;
}

/* --- Dialog: parchment box pinned to viewport bottom-right.
   Lifted out of Koro flow so it can't clip below the fold.
   Width capped so it doesn't crowd the bottom-center CTA. --- */
/* Speech bubble: floats just left of Koro's face at his head height.
   Koro's slot is at left:58% top:56%; visible Koro extends ~58%-78% horizontally
   and 56%-86% vertically. Anchor dialog right edge at ~30% from right
   (so it ends near x=70% of viewport, just left of Koro's visible body)
   and top at ~52% so it's at his head/face level. */
.koro-dialog-stack {
  /* Hidden on small-landscape via app.css — cross-browser typewriter
     rendering inside the transformed stage was inconsistent and the
     dialog is atmospheric, not load-bearing. */
  position: fixed;
  top: 53%;
  right: 6%;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  width: max-content;
  max-width: min(22vw, 280px);
  z-index: var(--z-ui);
  pointer-events: none;
}

.koro-dialog {
  padding: calc(var(--px-unit) * 3) calc(var(--px-unit) * 4);
  font-family: var(--font-display);
  font-size: 9px;
  line-height: 1.7;
  color: var(--color-pixel-cream);
  background: rgba(15, 14, 23, 0.88);
  box-shadow:
    0 0 0 2px var(--color-gold),
    0 0 0 4px rgba(15, 14, 23, 0.9),
    0 0 16px rgba(255, 209, 102, 0.2),
    0 6px 20px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  white-space: nowrap;
  max-width: 0;
  margin-left: auto;
  /* Hidden until the typewriter animation snaps opacity to 1 at frame 0 */
  opacity: 0;
}

.koro-dialog-1 {
  animation: typeReveal 2.5s steps(50, end) var(--enter-dialog-1) forwards;
}

.koro-dialog-2 {
  animation: typeReveal 2s steps(46, end) var(--enter-dialog-2) forwards;
}

.koro-dialog-2::after {
  content: "_";
  margin-left: 2px;
  animation: caretBlink 1s steps(2, end) infinite;
  animation-delay: var(--enter-dialog-2);
}

/* Lantern sparkle particles — tiny dots that drift up from Koro's lantern */
.koro-wrapper::before {
  content: "";
  position: absolute;
  bottom: 30%;
  right: 35%;
  width: 3px;
  height: 3px;
  background: var(--color-gold);
  border-radius: 50%;
  opacity: 0;
  animation: lanternSpark 3s ease-in-out 2s infinite;
  pointer-events: none;
}

.koro-wrapper::after {
  content: "";
  position: absolute;
  bottom: 35%;
  right: 28%;
  width: 2px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 50%;
  opacity: 0;
  animation: lanternSpark 3.5s ease-in-out 3.2s infinite;
  pointer-events: none;
}

@keyframes lanternSpark {
  0% { opacity: 0; transform: translateY(0) scale(1); }
  20% { opacity: 0.7; }
  100% { opacity: 0; transform: translateY(-20px) scale(0.3); }
}

/* --- Lantern brightness tiers (0..13).
   The Dojo mounts Koro via .dojo-koro-player (engine.css) with a child
   .koro-lantern-glow. We drive brightness + glow radius via a tier data
   attribute set from dojo-hud.ts whenever foundScrolls.size changes.
   Specificity (0,2,1) here beats engine.css's bare .koro-lantern-glow. --- */
.dojo-koro-player { --lantern-tier: 0; --lantern-max: 13; }

.dojo-koro-player[data-lantern-tier="0"]  { --lantern-tier: 0;  }
.dojo-koro-player[data-lantern-tier="1"]  { --lantern-tier: 1;  }
.dojo-koro-player[data-lantern-tier="2"]  { --lantern-tier: 2;  }
.dojo-koro-player[data-lantern-tier="3"]  { --lantern-tier: 3;  }
.dojo-koro-player[data-lantern-tier="4"]  { --lantern-tier: 4;  }
.dojo-koro-player[data-lantern-tier="5"]  { --lantern-tier: 5;  }
.dojo-koro-player[data-lantern-tier="6"]  { --lantern-tier: 6;  }
.dojo-koro-player[data-lantern-tier="7"]  { --lantern-tier: 7;  }
.dojo-koro-player[data-lantern-tier="8"]  { --lantern-tier: 8;  }
.dojo-koro-player[data-lantern-tier="9"]  { --lantern-tier: 9;  }
.dojo-koro-player[data-lantern-tier="10"] { --lantern-tier: 10; }
.dojo-koro-player[data-lantern-tier="11"] { --lantern-tier: 11; }
.dojo-koro-player[data-lantern-tier="12"] { --lantern-tier: 12; }
.dojo-koro-player[data-lantern-tier="13"] { --lantern-tier: 13; }

.dojo-koro-player[data-lantern-tier] .koro-lantern-glow {
  /* Brightness ramps from 0.55 (tier 0) -> 1.6 (tier 13). */
  --tier-ratio: calc(var(--lantern-tier) / 13);
  --tier-brightness: calc(0.55 + var(--tier-ratio) * 1.05);
  --tier-scale: calc(1 + var(--tier-ratio) * 0.9);
  --tier-alpha: calc(0.35 + var(--tier-ratio) * 0.55);
  width: calc(110px * var(--tier-scale));
  height: calc(55px * var(--tier-scale));
  background: radial-gradient(ellipse,
    rgba(255, 209, 102, var(--tier-alpha)) 0%,
    rgba(255, 209, 102, calc(var(--tier-alpha) * 0.38)) 40%,
    transparent 70%);
  filter: brightness(var(--tier-brightness));
}

/* Tier 13 — fully lit: steady pulsing gold bloom. */
@keyframes dojoLanternTier13Pulse {
  0%, 100% { filter: brightness(1.5) drop-shadow(0 0 14px var(--color-gold)); opacity: 0.85; }
  50%      { filter: brightness(1.9) drop-shadow(0 0 28px var(--color-gold)); opacity: 1; }
}

.dojo-koro-player[data-lantern-tier="13"] .koro-lantern-glow {
  animation: dojoLanternTier13Pulse 1.6s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .dojo-koro-player[data-lantern-tier="13"] .koro-lantern-glow {
    animation: none;
    filter: brightness(1.7) drop-shadow(0 0 22px var(--color-gold));
  }
}

/* --- Mobile --- */
@media (max-width: 600px) {
  .koro-wrapper {
    width: min(35vw, 180px);
  }

  .koro-dialog-stack {
    position: fixed;
    top: auto;
    bottom: clamp(52px, 10vh, 100px);
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
    max-width: 85vw;
  }

  .koro-dialog {
    white-space: normal;
    max-width: 100%;
    width: auto;
    text-align: center;
    opacity: 0;
  }

  .koro-dialog-1 {
    animation: fadeIn 0.6s ease-out var(--enter-dialog-1) forwards;
  }

  .koro-dialog-2 {
    animation: fadeIn 0.6s ease-out var(--enter-dialog-2) forwards;
  }

  .koro-dialog-2::after {
    content: none;
  }
}

/* --- Phone landscape: dialog inside the scaled 1280x720 stage ---
   The stage transform breaks position:fixed (CSS spec: transform on
   an ancestor creates a new containing block). Switch to absolute so
   coordinates map to the 1280x720 logical canvas. Placed above Koro's
   head (top ~38%, right ~8%) as a speech bubble; scales uniformly with
   the rest of the stage. Desktop is unaffected (gate doesn't match). */
@media (orientation: landscape) and (max-height: 500px) {
  .koro-dialog-stack {
    position: absolute;
    top: 55%;
    right: 14%;
    left: auto;
    bottom: auto;
    transform: none;
    max-width: 260px;
    align-items: flex-end;
    gap: 6px;
  }

  .koro-dialog {
    font-size: 8px;
    line-height: 1.5;
    padding: 8px 12px;
  }
}