/* ── Era palette tokens (per-section theming) ── */
:root {
  --era-sour: #b8a4d4;
  --era-sour-glow: rgba(184, 164, 212, 0.28);
  --era-guts: #e85d5d;
  --era-guts-glow: rgba(232, 93, 93, 0.28);
  --era-sad: #5eb8e8;
  --era-sad-glow: rgba(94, 184, 232, 0.28);
}

body[data-album="sour"] { --section-accent: var(--era-sour); --section-glow: var(--era-sour-glow); }
body[data-album="guts"] { --section-accent: var(--era-guts); --section-glow: var(--era-guts-glow); }
body[data-album="yspfsfgasil"] { --section-accent: var(--era-sad); --section-glow: var(--era-sad-glow); }

.section[data-era="sour"] { --section-accent: var(--era-sour); --section-glow: var(--era-sour-glow); }
.section[data-era="guts"] { --section-accent: var(--era-guts); --section-glow: var(--era-guts-glow); }
.section[data-era="yspfsfgasil"] { --section-accent: var(--era-sad); --section-glow: var(--era-sad-glow); }

.section[data-era] {
  position: relative;
}

.section[data-era]::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, var(--section-glow) 0%, transparent 65%);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.section[data-era] .section-inner {
  position: relative;
  z-index: 1;
}

.section[data-era] .section-eyebrow {
  color: var(--section-accent);
}

.section[data-era] .section-title {
  text-shadow: 0 0 40px var(--section-glow);
}

.stage[data-era] {
  position: relative;
}

.stage[data-era]::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 30% 40%, var(--section-glow, var(--accent-glow)) 0%, transparent 70%);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.stage[data-era="sour"] { --section-glow: var(--era-sour-glow); --section-accent: var(--era-sour); }
.stage[data-era="guts"] { --section-glow: var(--era-guts-glow); --section-accent: var(--era-guts); }
.stage[data-era="yspfsfgasil"] { --section-glow: var(--era-sad-glow); --section-accent: var(--era-sad); }

.stage > * {
  position: relative;
  z-index: 1;
}

.stage .tracks-label,
.stage .now-label {
  color: var(--accent);
}

/* Lyrics panel */
.lyrics-lines {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.lyrics-line {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  line-height: 1.55;
  color: var(--text);
  opacity: 0.85;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.lyrics-line.active {
  opacity: 1;
  color: var(--accent);
}

.lyrics-note {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.5;
}