/* spotlight: the open album takes over the left column, large; the rest
   recede into a row of thumbs beneath it, tracklist alongside */
.albums {
  max-width: 68rem;
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 5rem) 1.5rem 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 2rem 3rem;
  align-items: start;
}

.album-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-content: flex-start;
}
.album-card[aria-expanded='true'] {
  flex: 1 1 100%;
  order: -1;
}
.album-card[aria-expanded='false'] {
  flex: 1 1 calc(33.333% - 0.6rem);
}
.album-card[aria-expanded='false'] .album-title {
  font-size: 0.85rem;
}

.album-card {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  display: grid;
  gap: 0.35rem;
}

.album-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  filter: grayscale(0.15) brightness(0.9);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.album-card:hover img,
.album-card[aria-expanded='true'] img {
  filter: none;
  transform: translateY(-4px);
}

/* the album not in the spotlight recedes */
.album-card[aria-expanded='false'] img {
  filter: grayscale(0.6) brightness(0.45);
}
.album-card[aria-expanded='false']:hover img {
  filter: grayscale(0.2) brightness(0.8);
}

.album-year {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--smoke);
  margin-top: 0.75rem;
}
.album-card[aria-expanded='true'] .album-year { color: var(--accent); }

.album-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tracklist-panel {
  position: relative;
  padding: 0 0 2rem;
  overflow: hidden;
}

.ghost-year {
  position: absolute;
  top: -0.12em;
  right: -0.03em;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(6rem, 14vw, 11rem);
  line-height: 1;
  color: var(--accent);
  opacity: 0.07;
  pointer-events: none;
  user-select: none;
}

.tracks {
  list-style: none;
  max-width: 44rem;
  position: relative;
}

.track {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  align-items: baseline;
  gap: 1rem;
  width: 100%;
  padding: 0.55rem 0.5rem;
  background: none;
  border: none;
  border-bottom: 1px solid var(--line);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.track:hover { color: var(--accent); }

.track-n,
.track-dur {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--smoke);
  font-variant-numeric: tabular-nums;
}

.track.is-playing { color: var(--accent); }
.track.is-playing .track-n { color: var(--accent); }

/* tiny equalizer replaces the number on the playing row */
.track.is-playing .track-n { font-size: 0; }
.track.is-playing .track-n::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 11px;
  background: var(--accent);
  box-shadow: 6px 0 var(--accent), 12px 0 var(--accent);
  animation: eq 0.9s steps(4) infinite;
  transform-origin: bottom;
}
@keyframes eq {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}
@media (prefers-reduced-motion: reduce) {
  .track.is-playing .track-n::before { display: none; }
}

@media (max-width: 700px) {
  .albums { grid-template-columns: 1fr; gap: 1.25rem; }
  .track { grid-template-columns: 2rem 1fr auto; gap: 0.75rem; }

  /* compact header: small cover beside the title, not a full-bleed hero,
     so the tracklist starts almost immediately */
  .album-card[aria-expanded='true'] {
    display: grid;
    grid-template-columns: 4.5rem 1fr;
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: 1rem;
    row-gap: 0.15rem;
  }
  .album-card[aria-expanded='true'] img {
    grid-row: 1 / 3;
    width: 4.5rem;
  }
  .album-card[aria-expanded='true'] .album-year { grid-row: 1; margin-top: 0; }
  .album-card[aria-expanded='true'] .album-title { grid-row: 2; font-size: 1.05rem; }

  /* the other albums become a bare-cover swipe strip, always in reach */
  .album-card[aria-expanded='false'] {
    flex: 0 0 4.25rem;
  }
  .album-card[aria-expanded='false'] .album-year,
  .album-card[aria-expanded='false'] .album-title {
    display: none;
  }
}