* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Instrument Sans', -apple-system, sans-serif;
  background: #0a0a0f;
  color: #e8e8e8;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: 'JetBrains Mono', monospace; }
.serif { font-family: 'Instrument Serif', Georgia, serif; }
a { color: #ff6b35; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Nav ── */
#nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #1a1a1a;
  padding: 0.6rem 1.5rem;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; gap: 1.5rem;
}
.nav-brand { color: #ff6b35; font-weight: 600; font-size: 0.9rem; white-space: nowrap; }
.nav-links { display: flex; gap: 1rem; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.nav-links a {
  color: #666; font-size: 0.8rem; white-space: nowrap;
  transition: color 0.2s; text-decoration: none;
}
.nav-links a:hover { color: #ccc; text-decoration: none; }

/* ── Hero ── */
.hero {
  min-height: 80vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 4rem 2rem; max-width: 900px; margin: 0 auto;
}
.hero h1 {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 700; letter-spacing: -0.03em;
  line-height: 1.05; margin-bottom: 1.5rem;
}
.hero h1 .num { color: #ff6b35; }
.hero .sub {
  font-size: 1.15rem; font-weight: 300;
  color: #888; max-width: 520px; line-height: 1.6;
}
.hero .sub strong { color: #ccc; font-weight: 400; }

/* ── Prose ── */
.prose {
  max-width: 640px; margin: 0 auto;
  padding: 2rem 2rem 4rem;
}
.prose p {
  font-family: 'Instrument Serif', Georgia, serif;
  color: #999; font-size: 1.1rem;
  margin-bottom: 1.2rem; line-height: 1.8;
}
.prose .kicker {
  font-family: 'Instrument Serif', Georgia, serif;
  color: #e8e8e8; font-weight: 400; font-style: italic;
  font-size: 1.25rem; margin-top: 2rem;
}

/* ── Sections ── */
section {
  padding: 5rem 2rem; max-width: 1100px; margin: 0 auto;
}
section h2 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.8rem; font-weight: 400; margin-bottom: 0.4rem;
  font-style: italic;
}
section .lede {
  color: #888; margin-bottom: 2.5rem;
  max-width: 580px; font-size: 1rem;
}

/* ── Stats ── */
.stat-row {
  display: flex; gap: 2.5rem; flex-wrap: wrap;
  padding-bottom: 2rem; border-bottom: 1px solid #1a1a1a;
}
.stat { display: flex; flex-direction: column; }
.stat .stat-num {
  font-size: 2.2rem; font-weight: 700; color: #ff6b35; line-height: 1;
}
.stat .stat-label { font-size: 0.8rem; color: #666; margin-top: 0.3rem; }

/* ── Album grid (memorable records) ── */
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}
.album-card {
  background: #12121a; border: 1px solid #222;
  border-radius: 8px; overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  cursor: default;
}
.album-card:hover { border-color: #444; transform: translateY(-2px); }
.album-card img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  display: block; background: #1a1a1a;
}
.album-card .ac-info { padding: 0.9rem 1rem; }
.album-card .ac-artist { font-weight: 600; font-size: 0.9rem; }
.album-card .ac-title { color: #888; font-size: 0.85rem; margin-top: 0.15rem; }
.album-card .ac-play {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 0.6rem; padding: 0.3rem 0.7rem;
  background: rgba(255,107,53,0.15); border: 1px solid rgba(255,107,53,0.3);
  border-radius: 20px; color: #ff6b35;
  font-size: 0.75rem; cursor: pointer;
  transition: background 0.2s;
}
.album-card .ac-play:hover { background: rgba(255,107,53,0.25); }
.album-card .ac-play.playing { background: rgba(255,107,53,0.3); }

/* ── Stream chart ── */
#stream-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
#stream-chart .area { opacity: 0.75; transition: opacity 0.2s; cursor: pointer; }
#stream-chart .area:hover { opacity: 1; }
.stream-legend {
  display: flex; flex-wrap: wrap; gap: 0.4rem 1rem;
  margin-top: 1.2rem; font-size: 0.8rem;
}
.stream-legend-item {
  display: flex; align-items: center; gap: 0.35rem;
  opacity: 0.7; transition: opacity 0.2s;
}
.stream-legend-item:hover { opacity: 1; }
.stream-legend-item .swatch { width: 12px; height: 12px; border-radius: 3px; }

/* ── Year cards (tracks) ── */
.year-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.2rem;
}
.year-card {
  background: #12121a; border: 1px solid #222;
  border-radius: 8px; padding: 1rem 1.1rem;
}
.year-card .yc-year {
  font-family: 'JetBrains Mono', monospace;
  color: #ff6b35; font-size: 1.2rem;
  font-weight: 600; margin-bottom: 0.6rem;
}
.yc-track {
  display: flex; align-items: center;
  gap: 0.4rem; margin-bottom: 0.3rem;
  font-size: 0.82rem;
}
.yc-track .yc-btn {
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(255,107,53,0.15); border: none;
  color: #ff6b35; cursor: pointer; font-size: 0.6rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background 0.2s;
}
.yc-track .yc-btn:hover { background: rgba(255,107,53,0.3); }
.yc-track .yc-btn.playing { background: #ff6b35; color: #0a0a0f; }
.yc-track .yc-btn.no-preview { opacity: 0.2; cursor: default; }
.yc-track .yc-text { flex: 1; min-width: 0; }
.yc-track .yc-artist { color: #999; }
.yc-track .yc-song { color: #e0e0e0; }
.yc-track .yc-plays {
  margin-left: auto; color: #444;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; flex-shrink: 0;
}

/* ── Bump chart ── */
#bump-wrap { overflow-x: auto; }
#bump-chart .bump-line { fill: none; stroke-width: 2.5; opacity: 0.6; transition: opacity 0.15s, stroke-width 0.15s; }
#bump-chart .bump-line:hover { opacity: 1; stroke-width: 4; }
#bump-chart .bump-dot { stroke: #0a0a0f; stroke-width: 2; cursor: pointer; }

/* ── Obscure list ── */
.obscure-list { list-style: none; }
.obscure-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.5rem 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid #151518;
  font-size: 0.88rem;
  align-items: baseline;
}
.obscure-item:last-child { border-bottom: none; }
.oi-name { font-weight: 600; }
.oi-detail { color: #666; font-size: 0.8rem; grid-column: 1 / -1; }
.oi-listeners { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: #555; text-align: right; }
.oi-plays { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: #ff6b35; text-align: right; }

/* ── Contrast cards ── */
.contrast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}
.contrast-card {
  background: #12121a; border: 1px solid #222;
  border-radius: 8px; padding: 1.1rem;
}
.contrast-card .cc-year {
  font-family: 'JetBrains Mono', monospace;
  color: #ff6b35; font-size: 0.85rem; margin-bottom: 0.6rem;
}
.cc-pair { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.cc-artist { flex: 1; text-align: center; }
.cc-artist .cc-name { font-weight: 600; font-size: 0.9rem; margin-bottom: 0.15rem; }
.cc-artist .cc-genre { font-size: 0.72rem; color: #555; }
.cc-artist .cc-count { font-size: 0.7rem; color: #444; font-family: 'JetBrains Mono', monospace; }
.cc-vs { color: #2a2a2a; font-weight: 700; font-size: 0.75rem; }

/* ── Vinyl ── */
.vinyl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.vinyl-item {
  background: #12121a; border: 1px solid #222;
  border-radius: 8px; padding: 0.9rem 1rem;
}
.vi-artist { font-weight: 600; font-size: 0.9rem; }
.vi-album { color: #777; font-size: 0.82rem; margin-top: 0.1rem; }
.vi-meta {
  display: flex; gap: 0.6rem; font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace; color: #555;
  margin-top: 0.4rem; flex-wrap: wrap;
}
.vi-scrobbles { color: #ff6b35; }
.vi-years { color: #4ecdc4; }

/* ── Eras ── */
.era-block {
  margin-bottom: 3.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid #151518;
}
.era-block:last-child { border-bottom: none; margin-bottom: 0; }
.era-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-style: italic;
  font-size: 1.4rem; font-weight: 400;
  color: #ff6b35; margin-bottom: 0.8rem;
}
.era-text {
  font-family: 'Instrument Serif', Georgia, serif;
  color: #999; font-size: 1rem; line-height: 1.8;
  max-width: 640px; margin-bottom: 1.2rem;
}
.era-albums {
  display: flex; gap: 1rem; overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.5rem;
}
.era-album {
  flex-shrink: 0; width: 140px;
}
.era-album img {
  width: 140px; height: 140px; object-fit: cover;
  border-radius: 6px; display: block;
  background: #1a1a24;
}
.era-album .ea-artist {
  font-size: 0.78rem; font-weight: 600;
  margin-top: 0.4rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.era-album .ea-title {
  font-size: 0.72rem; color: #666;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.era-album .ea-play {
  display: inline-flex; align-items: center;
  margin-top: 0.3rem; padding: 0.15rem 0.5rem;
  background: rgba(255,107,53,0.12); border: 1px solid rgba(255,107,53,0.25);
  border-radius: 12px; color: #ff6b35;
  font-size: 0.65rem; cursor: pointer;
  transition: background 0.2s; border: none;
}
.era-album .ea-play:hover { background: rgba(255,107,53,0.25); }

@media (max-width: 700px) {
  .era-album { width: 120px; }
  .era-album img { width: 120px; height: 120px; }
}

/* ── Decades ── */
.decades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.decade-card {
  background: #12121a; border: 1px solid #222;
  border-radius: 8px; padding: 1.3rem;
}
.decade-card .dc-label {
  font-family: 'JetBrains Mono', monospace;
  color: #ff6b35; font-size: 1.4rem; font-weight: 700;
  margin-bottom: 0.6rem;
}
.decade-card .dc-years {
  color: #555; font-size: 0.8rem; margin-bottom: 0.8rem;
}
.decade-card .dc-genre {
  display: flex; align-items: center; gap: 0.5rem;
  margin-bottom: 0.4rem; font-size: 0.85rem;
}
.decade-card .dc-bar {
  height: 8px; border-radius: 4px; min-width: 4px;
}
.decade-card .dc-genre-name { color: #999; }

/* ── Facts ── */
.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}
.fact-card {
  background: #12121a; border: 1px solid #222;
  border-radius: 8px; padding: 1.3rem;
}
.fc-label { color: #555; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.4rem; }
.fc-value { font-size: 1.6rem; font-weight: 700; color: #ff6b35; font-family: 'JetBrains Mono', monospace; line-height: 1.2; }
.fc-detail { color: #777; font-size: 0.85rem; margin-top: 0.4rem; }

/* ── Tooltip ── */
.tooltip {
  position: fixed; pointer-events: none;
  background: #1a1a24; border: 1px solid #333; border-radius: 8px;
  padding: 10px 14px; font-size: 0.82rem; z-index: 100;
  max-width: 340px; box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  opacity: 0; transition: opacity 0.15s;
}
.tooltip.show { opacity: 1; }

/* ── Footer ── */
footer {
  padding: 3rem 2rem; text-align: center;
  color: #444; font-size: 0.82rem;
  border-top: 1px solid #1a1a1a;
}
footer a { color: #666; }
.colophon {
  display: inline-block; margin-top: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: #333; letter-spacing: 0.02em;
}

/* ── Mobile ── */
@media (max-width: 700px) {
  .hero { padding: 2rem 1.5rem; min-height: 60vh; }
  .prose { padding: 1.5rem 1.5rem 3rem; }
  section { padding: 3rem 1.5rem; }
  .stat-row { gap: 1.2rem; }
  .stat .stat-num { font-size: 1.6rem; }
  .album-grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
  .album-card .ac-info { padding: 0.6rem 0.7rem; }
  .album-card .ac-artist { font-size: 0.8rem; }
  .album-card .ac-title { font-size: 0.75rem; }
  .year-grid { grid-template-columns: 1fr; }
  .contrast-grid { grid-template-columns: 1fr; }
  .vinyl-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 0.6rem; }
  .nav-links a { font-size: 0.72rem; }
  .obscure-item { grid-template-columns: 1fr; gap: 0.2rem; }
  .oi-listeners, .oi-plays { text-align: left; }
}

@media (max-width: 400px) {
  .album-grid { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
  .hero h1 { font-size: 2.2rem; }
}