/* Catalog live-view additions: inline preview play button + empty state.
   Loaded only by catalog.html. */

.track-thumb { position: relative; }

.track-play {
  position: absolute;
  bottom: 10px;
  left: 10px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 15px;
  line-height: 1;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.track-card:hover .track-play,
.track-play:focus-visible,
.track-play.is-playing {
  opacity: 1;
  transform: none;
}
.track-play:hover,
.track-play.is-playing {
  background: var(--accent, #d04b2f);
}

.catalog-empty {
  grid-column: 1 / -1;
  padding: 56px 0;
  text-align: center;
}