/* ====== MUSIC HERO ====== */
.music-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.music-hero__left { display: flex; flex-direction: column; gap: var(--space-2); }
.music-hero__title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -.02em; }
.music-hero__sub { color: var(--text-secondary); font-size: 15px; }

/* ====== TOOLBAR (search + filters) ====== */
.music-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.music-search {
  flex: 1;
  min-width: 240px;
  position: relative;
}
.music-search svg {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  stroke: var(--text-muted);
  fill: none;
  stroke-width: 1.7;
  pointer-events: none;
}
.music-search input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) 44px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 14px;
  transition: all var(--t-fast) var(--ease);
}
.music-search input:focus {
  outline: none;
  border-color: var(--border-gold-strong);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.music-filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.filter-chip {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
  white-space: nowrap;
}
.filter-chip:hover {
  border-color: var(--border-gold);
  color: var(--gold-light);
}
.filter-chip.active {
  background: var(--gold-glow);
  border-color: var(--border-gold-strong);
  color: var(--gold-light);
}

/* ====== TRACK LIST ====== */
.music-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}
.track-row {
  display: grid;
  grid-template-columns: 64px minmax(0,2fr) minmax(0,1.5fr) minmax(120px,1fr) 80px auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--t-fast) var(--ease);
}
.track-row:hover {
  border-color: var(--border-gold);
  background: linear-gradient(90deg, rgba(214,178,92,.04), var(--bg-2));
  transform: translateY(-1px);
}
.track-row.hidden { display: none; }
.track-row__cover {
  width: 64px; height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #1a1a1a, #0d0d0d);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex: none;
}
.track-row__cover svg { width: 24px; height: 24px; stroke: var(--gold); fill: none; stroke-width: 1.5; }
.track-row__title {
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.track-row__artist {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.track-row__meta { min-width: 0; }
.track-row__tags { display: flex; gap: var(--space-2); font-size: 11px; color: var(--text-muted); flex-wrap: wrap; }
.track-row__wave {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 32px;
  min-width: 80px;
}
.track-row__wave span {
  flex: 1;
  background: linear-gradient(180deg, var(--gold), var(--gold-dark));
  border-radius: 2px;
  opacity: .4;
  min-height: 4px;
}
.track-row:hover .track-row__wave span { opacity: .75; }
.track-row__duration {
  font-size: 13px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  text-align: center;
}
.track-row__actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.icon-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--t-fast) var(--ease);
}
.icon-btn:hover {
  border-color: var(--border-gold);
  color: var(--gold-light);
  box-shadow: var(--shadow-gold);
}
.icon-btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.7; }
.icon-btn--play {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gold-glow);
  border: 1px solid var(--border-gold-strong);
  color: var(--gold-light);
}
.icon-btn--play:hover {
  background: var(--gold-glow-strong);
}
.icon-btn--play svg { fill: currentColor; stroke: none; }

/* ====== EMPTY STATE ====== */
.music-empty {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  background: var(--bg-2);
  border: 1px dashed var(--border-gold);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-8);
}
.music-empty__icon {
  width: 72px; height: 72px;
  margin: 0 auto var(--space-5);
  border-radius: 50%;
  background: var(--gold-glow);
  border: 1px solid var(--border-gold);
  display: flex; align-items: center; justify-content: center;
}
.music-empty__icon svg { width: 32px; height: 32px; stroke: var(--gold-light); fill: none; stroke-width: 1.5; }
.music-empty__title { font-size: 20px; font-weight: 700; margin-bottom: var(--space-2); }
.music-empty__sub { color: var(--text-secondary); margin-bottom: var(--space-6); max-width: 400px; margin-left: auto; margin-right: auto; }

/* ====== RESPONSIVE ====== */
@media (max-width: 900px) {
  .track-row {
    grid-template-columns: 56px minmax(0,1fr) auto;
    gap: var(--space-3);
  }
  .track-row__meta, .track-row__wave, .track-row__duration { display: none; }
  .track-row__actions { flex-direction: column; gap: var(--space-1); }
  .icon-btn { width: 32px; height: 32px; }
  .track-row__cover { width: 56px; height: 56px; }
}
@media (max-width: 500px) {
  .music-toolbar { flex-direction: column; align-items: stretch; }
  .music-search { min-width: 0; }
  .track-row { grid-template-columns: 48px minmax(0,1fr) auto; }
  .track-row__cover { width: 48px; height: 48px; }
}