:root {
  --bg: #0f1117;
  --bg2: #1a1d2e;
  --bg3: #252840;
  --accent: #7c6af7;
  --accent2: #a78bfa;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --border: #2d3154;
  --green: #34d399;
  --orange: #fb923c;
  --red: #f87171;
  --radius: 12px;
  --font: 'Segoe UI', system-ui, sans-serif;
  --mono: 'Courier New', 'Lucida Console', monospace;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
}

/* ── Header ── */
header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}
.logo-icon { font-size: 1.5rem; }
.logo-text { font-size: 1.2rem; font-weight: 700; color: var(--accent2); }
.search-wrap {
  flex: 1;
  max-width: 500px;
  position: relative;
}
#search {
  width: 100%;
  padding: 10px 16px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color .2s;
}
#search:focus { border-color: var(--accent); }
.search-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 400px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: 0 8px 32px #0008;
}
.search-dropdown.hidden { display: none; }
.search-item {
  padding: 10px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.search-item:last-child { border-bottom: none; }
.search-item:hover { background: var(--bg3); }
.search-item .s-title { font-weight: 600; }
.search-item .s-artist { font-size: 0.82rem; color: var(--text2); }
.search-item .s-badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 20px;
  background: var(--bg3);
  color: var(--accent2);
  margin-left: 6px;
}

/* ── Main layout ── */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 30px 20px;
}
.loading {
  text-align: center;
  color: var(--text2);
  padding: 60px;
  font-size: 1.1rem;
}

/* ── Home page ── */
.home-hero {
  text-align: center;
  padding: 40px 0 50px;
}
.home-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent2), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.home-hero p {
  color: var(--text2);
  margin-top: 10px;
  font-size: 1.05rem;
}
.home-stats {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 30px;
  text-align: center;
}
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent2);
}
.stat-label { font-size: 0.85rem; color: var(--text2); }

.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text2);
}

/* Artist grid */
.artist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 40px;
}
.artist-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.artist-card:hover {
  border-color: var(--accent);
  background: var(--bg3);
  transform: translateY(-2px);
}
.artist-name { font-weight: 600; font-size: 0.95rem; }
.artist-count { font-size: 0.8rem; color: var(--text2); margin-top: 4px; }

/* Song grid */
.song-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.song-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.song-card:hover {
  border-color: var(--accent);
  background: var(--bg3);
  transform: translateY(-2px);
}
.song-title { font-weight: 600; font-size: 1rem; }
.song-artist { font-size: 0.82rem; color: var(--text2); margin-top: 3px; }
.song-meta {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.badge {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 20px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
}
.badge.key { color: var(--green); border-color: #34d39940; }
.badge.diff-beginner { color: var(--green); }
.badge.diff-intermediate { color: var(--orange); }
.badge.diff-advanced { color: var(--red); }
.badge.genre { color: var(--accent2); }

/* ── Artist page ── */
.page-header {
  margin-bottom: 30px;
}
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text2);
  margin-bottom: 10px;
}
.breadcrumb a {
  color: var(--accent2);
  text-decoration: none;
  cursor: pointer;
}
.breadcrumb a:hover { text-decoration: underline; }
.page-title {
  font-size: 2rem;
  font-weight: 800;
}

/* ── Song page ── */
.song-page { max-width: 820px; }
.song-info-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 16px 0 24px;
  align-items: center;
}
.song-description {
  color: var(--text2);
  font-size: 0.95rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

/* Transpose controls */
.transpose-bar {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.transpose-label { font-size: 0.9rem; color: var(--text2); }
.transpose-key {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent2);
  min-width: 40px;
  text-align: center;
}
.btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all .15s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Chord content */
.chord-sections { display: flex; flex-direction: column; gap: 28px; }
.chord-section {}
.section-name {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent2);
  margin-bottom: 10px;
  padding: 4px 10px;
  background: var(--bg2);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  display: inline-block;
}
.chord-block {
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.4;
}
.chord-line {
  display: grid;
  grid-template-columns: 1fr;
  margin-bottom: 2px;
}
.chord-text {
  color: var(--accent2);
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: pre;
  min-height: 1.2em;
}
.lyric-text {
  color: var(--text);
  white-space: pre;
  min-height: 1.4em;
}
.chord-only .chord-text { color: var(--green); }

/* Chord list panel */
.chord-panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 24px;
}
.chord-panel-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text2);
  margin-bottom: 12px;
}
.chord-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.chord-tag {
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 6px 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--accent2);
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
}
.chord-tag:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Chord diagram modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: #000a;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 340px;
  width: 100%;
  text-align: center;
}
.modal-chord-name {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent2);
  margin-bottom: 16px;
  font-family: var(--mono);
}
.modal-close {
  margin-top: 16px;
  width: 100%;
}
canvas#chord-diagram {
  border-radius: 8px;
}

/* Pagination */
.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}
.page-btn {
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
}
.page-btn.current {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Responsive */
@media (max-width: 600px) {
  .home-hero h1 { font-size: 1.8rem; }
  .artist-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .song-grid { grid-template-columns: 1fr; }
  .chord-text, .lyric-text { font-size: 0.8rem; }
}