.ds-wave {
  display: flex; align-items: center; gap: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-body);
  width: 100%;
}
.ds-wave--bare { background: transparent; border: 0; box-shadow: none; padding: 0; }

/* album / playlist mode → vertical */
.ds-wave--album { flex-direction: column; align-items: stretch; gap: var(--space-4); }
.ds-wave__header { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-3); }
.ds-wave__albumtitle { font-family: var(--font-display); font-size: var(--text-lg); font-weight: var(--weight-medium); color: var(--text); }
.ds-wave__albummeta { font-size: var(--text-xs); color: var(--text-muted); font-variant-numeric: tabular-nums; }
.ds-wave__transport { display: flex; align-items: center; gap: var(--space-4); }
.ds-wave__controls { display: flex; align-items: center; gap: 6px; flex: none; }

.ds-wave__play {
  flex: none; width: 46px; height: 46px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-contrast); border: 0; cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.ds-wave__play:hover { background: var(--accent-hover); }
.ds-wave__play:active { transform: scale(0.94); }
.ds-wave__play:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--accent-ring); }
.ds-wave__play svg { width: 18px; height: 18px; }

.ds-wave__nav {
  flex: none; width: 34px; height: 34px; border-radius: 50%; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--text-muted); border: 0; cursor: pointer;
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.ds-wave__nav:hover { background: var(--accent-soft); color: var(--accent); }
.ds-wave__nav:active { transform: scale(0.92); }
.ds-wave__nav svg { width: 18px; height: 18px; }

.ds-wave__main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.ds-wave__meta { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-3); }
.ds-wave__title { font-family: var(--font-display); font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-wave__time { font-size: var(--text-xs); color: var(--text-muted); font-variant-numeric: tabular-nums; flex: none; }
.ds-wave__bars { position: relative; display: flex; align-items: center; gap: 2px; height: 40px; cursor: pointer; }
.ds-wave__bar { flex: 1; min-width: 2px; border-radius: 2px; background: var(--wave-unplayed); transition: background 120ms linear; }
.ds-wave__bar--played { background: var(--wave-played); }
.ds-wave__bar--head { background: var(--wave-cursor); }

/* track list */
.ds-wave__list { list-style: none; margin: 0; padding: 0; max-height: 340px; overflow: auto; border-top: 1px solid var(--hairline); }
.ds-wave__row {
  display: flex; align-items: center; gap: var(--space-4);
  width: 100%; text-align: left; background: transparent; border: 0; cursor: pointer;
  padding: 8px 10px; min-height: 46px; border-radius: var(--radius-sm);
  color: var(--text);
  transition: background var(--dur-base) var(--ease-out);
}
.ds-wave__row + .ds-wave__row { box-shadow: 0 -1px 0 var(--hairline); }
.ds-wave__row:hover { background: var(--accent-softer); }
.ds-wave__row.is-active { background: var(--accent-soft); }
.ds-wave__rownum { flex: none; width: 26px; height: 18px; display: inline-flex; align-items: center; justify-content: center; color: var(--text-faint); font-size: var(--text-sm); font-variant-numeric: tabular-nums; }
.ds-wave__row.is-active .ds-wave__rownum { color: var(--accent); }
.ds-wave__rownum .ds-wave__glyph { display: none; color: var(--accent); }
.ds-wave__rownum .ds-wave__glyph svg { width: 12px; height: 12px; }
.ds-wave__row:not(.is-active):hover .ds-wave__rownum .ds-wave__num { display: none; }
.ds-wave__row:not(.is-active):hover .ds-wave__rownum .ds-wave__glyph { display: inline-flex; }
.ds-wave__rowbody { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.ds-wave__rowtitle { font-family: var(--font-display); font-size: var(--text-sm); font-weight: var(--weight-medium); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-wave__row.is-active .ds-wave__rowtitle { color: var(--accent); }
.ds-wave__rowsub { font-size: var(--text-xs); color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-wave__rowdur { flex: none; color: var(--text-muted); font-size: var(--text-xs); font-variant-numeric: tabular-nums; }

/* tiny equalizer for the now-playing row */
.ds-wave__eq { display: inline-flex; align-items: flex-end; gap: 2px; height: 13px; color: var(--accent); }
.ds-wave__eq i { width: 2px; background: currentColor; border-radius: 1px; height: 40%; animation: dsEq 0.95s var(--ease-in-out) infinite; }
.ds-wave__eq i:nth-child(2) { animation-delay: 0.18s; }
.ds-wave__eq i:nth-child(3) { animation-delay: 0.36s; }
@keyframes dsEq { 0%, 100% { height: 30%; } 50% { height: 100%; } }

@media (prefers-reduced-motion: reduce) {
  .ds-wave__bar { transition: none; }
  .ds-wave__eq i { animation: none; height: 70%; }
}