/* Spark Lab — STICKERS tool chrome (play-stickers.js).
   Everything else the panel needs (.cc-ppanel, .cc-phead, .cc-xhint,
   .cc-stamptabs, .cc-pcheck, .cc-pfield/.cc-dropfield) already exists in
   canvas.css and is reused as-is — this file only adds the sticker
   thumbnail grid + tile, which needs <img> handling the stamp grid never
   did (SVG stamps had no loading state; raster thumbnails do).
   Scoped exactly like canvas.css. */

:is([data-app="canvas"],[data-app="coloring"],[data-app="cbn"]) .cc-stickergrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 10px;
}

:is([data-app="canvas"],[data-app="coloring"],[data-app="cbn"]) .cc-stickertile {
  position: relative;
  aspect-ratio: 1;
  background: #fafaf6;
  border: 2px solid #e3e3de;
  border-radius: 10px;
  cursor: pointer;
  padding: 6px;
  transition: border-color .12s ease, box-shadow .12s ease, transform .12s ease;
}
:is([data-app="canvas"],[data-app="coloring"],[data-app="cbn"]) .cc-stickertile:hover {
  border-color: #0a0a0a;
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(10,10,10,.12);
}
:is([data-app="canvas"],[data-app="coloring"],[data-app="cbn"]) .cc-stickertile.cc-on {
  border-color: #0a0a0a;
  background: #0a0a0a;
  box-shadow: 0 0 0 2px #C6F542;
}
:is([data-app="canvas"],[data-app="coloring"],[data-app="cbn"]) .cc-stickertile:focus-visible {
  outline: 3px solid #16E0E0;
  outline-offset: 2px;
}

:is([data-app="canvas"],[data-app="coloring"],[data-app="cbn"]) .cc-stickertile img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  /* soft placeholder shimmer while data-src hasn't been swapped in yet */
  background: linear-gradient(100deg, #ececE6 30%, #f6f6f2 45%, #ececE6 60%);
  background-size: 200% 100%;
  border-radius: 4px;
}
:is([data-app="canvas"],[data-app="coloring"],[data-app="cbn"]) .cc-stickertile img:not([src]) {
  animation: cc-sk-shimmer 1.4s ease-in-out infinite;
}
:is([data-app="canvas"],[data-app="coloring"],[data-app="cbn"]) .cc-stickertile img[src] {
  background: none;
}
@keyframes cc-sk-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
  :is([data-app="canvas"],[data-app="coloring"],[data-app="cbn"]) .cc-stickertile img:not([src]) { animation: none; }
}

/* narrow Spark Lab dropdown — same auto-fill treatment canvas.css gives
   .cc-stampgrid/.cc-magicgrid inside .cc-pdrop */
[data-app="canvas"] .cc-spark .cc-pdrop .cc-stickergrid {
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
}

/* Spark Lab dark shell (canvas.css "Spark Lab dark shell (default look)",
   scoped to .cc-play:not(.cc-mini) so Coloring/By Number's mini-shell keeps
   its white-card look) — canvas.css re-themes every stamp/magic tile for
   the dark floating pill UI but obviously has no rule for these sticker-only
   classes. Mirrors .cc-stamptile's dark values exactly so the grid doesn't
   read as a mismatched light box dropped into a dark panel. */
:is([data-app="canvas"]) .cc-play:not(.cc-mini) .cc-stickertile {
  background: #1f1e28; border-color: #3a3946;
}
:is([data-app="canvas"]) .cc-play:not(.cc-mini) .cc-stickertile:hover {
  border-color: #C6F542; box-shadow: 0 3px 10px rgba(0,0,0,.45);
}
:is([data-app="canvas"]) .cc-play:not(.cc-mini) .cc-stickertile.cc-on {
  background: #0a0a0a; border-color: #0a0a0a; box-shadow: 0 0 0 2px #C6F542;
}
:is([data-app="canvas"]) .cc-play:not(.cc-mini) .cc-stickertile img {
  background: linear-gradient(100deg, #232230 30%, #2c2b38 45%, #232230 60%);
  background-size: 200% 100%;
}
:is([data-app="canvas"]) .cc-play:not(.cc-mini) .cc-stickertile img[src] { background: none; }