:root {
  --bg: #0f1923;
  --surface: #1a2737;
  --surface2: #243447;
  --accent: #7c6af7;
  --accent-light: #a596ff;
  --gold: #fbbf24;
  --text: #e8eaf0;
  --text-muted: #8896a8;
  --danger: #f87171;
  --success: #34d399;
  --border: #2e4058;
  --cat-praise: #f97316;
  --cat-worship: #7c6af7;
  --cat-slow: #38bdf8;
  --cat-fast: #fb7185;
  --cat-dialect: #4ade80;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── Header ── */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-light);
  letter-spacing: 0.02em;
}

.header-actions { display: flex; gap: 10px; align-items: center; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 10px;
  border: none;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.btn:active { transform: scale(0.97); }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-light); }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--surface2); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-whatsapp { background: #25d366; color: #fff; font-size: 0.95rem; padding: 10px 20px; }
.btn-whatsapp:hover { background: #1ebe5d; }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-icon { padding: 7px; border-radius: 8px; background: var(--surface2); border: 1px solid var(--border); cursor: pointer; color: var(--text-muted); transition: all 0.15s; }
.btn-icon:hover { color: var(--text); background: var(--surface); }

/* ── Badge / Tag ── */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tag-praise { background: rgba(249,115,22,0.2); color: var(--cat-praise); }
.tag-worship { background: rgba(124,106,247,0.2); color: var(--cat-worship); }
.tag-slow { background: rgba(56,189,248,0.2); color: var(--cat-slow); }
.tag-fast { background: rgba(251,113,133,0.2); color: var(--cat-fast); }
.tag-dialect { background: rgba(74,222,128,0.2); color: var(--cat-dialect); }

/* ── Search bar ── */
.search-wrap {
  padding: 16px 20px 8px;
}
.search-bar {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 16px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s;
}
.search-bar:focus { border-color: var(--accent); }
.search-bar::placeholder { color: var(--text-muted); }

/* ── Category filter ── */
.category-filter {
  display: flex;
  gap: 8px;
  padding: 8px 20px 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.category-filter::-webkit-scrollbar { display: none; }
.cat-btn {
  flex-shrink: 0;
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}
.cat-btn.active { border-color: var(--accent); background: rgba(124,106,247,0.15); color: var(--accent-light); }

/* ── Song card ── */
.song-list { padding: 0 16px 100px; display: flex; flex-direction: column; gap: 10px; }

.song-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.song-card:hover { border-color: var(--accent); background: var(--surface2); }
.song-card.selected { border-color: var(--accent); background: rgba(124,106,247,0.12); }

.song-card-info { flex: 1; min-width: 0; }
.song-card-title { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.song-card-meta { display: flex; gap: 8px; align-items: center; }
.song-check {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
  color: transparent;
}
.song-card.selected .song-check {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Lyrics / Member View ── */
.song-nav {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.song-nav::-webkit-scrollbar { display: none; }
.song-nav-btn {
  flex-shrink: 0;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}
.song-nav-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }

.song-view { padding: 0 20px 120px; }
.song-title-big {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.song-meta-row { display: flex; gap: 8px; align-items: center; margin-bottom: 24px; }

/* ── Chord rendering ── */
.lyrics-block { margin-bottom: 28px; }

.lyric-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 20px 0 8px;
}

.lyric-line {
  margin-bottom: 6px;
  min-height: 1.5em;
}
.lyric-line.has-chords {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0;
}
.lyric-segment {
  display: inline-flex;
  flex-direction: column;
  margin-right: 1px;
}
.chord-symbol {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.3;
  white-space: pre;
  min-width: 4px;
  padding-right: 4px;
}
.lyric-text {
  font-size: 1.15rem;
  line-height: 1.7;
  white-space: pre;
}
.lyric-line:not(.has-chords) .lyric-text {
  font-size: 1.15rem;
}

/* ── YouTube embed ── */
.yt-wrap {
  margin: 28px 0;
  border-radius: 14px;
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
}
.yt-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}
.yt-watch-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: #111;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background 0.2s;
}
.yt-watch-btn:hover {
  background: #c00;
}
.yt-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 160px;
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-direction: column;
  gap: 8px;
}

/* ── Welcome screen ── */
.welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  text-align: center;
  padding: 40px 24px;
  gap: 16px;
}
.welcome-icon { font-size: 4rem; margin-bottom: 8px; }
.welcome h2 { font-size: 1.5rem; font-weight: 800; }
.welcome p { color: var(--text-muted); font-size: 0.95rem; max-width: 280px; }
.leader-entry-link {
  margin-top: 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  opacity: 0.5;
  transition: opacity 0.2s;
}
.leader-entry-link:hover { opacity: 1; }

/* ── Setlist panel (leader) ── */
.setlist-panel {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 12px 16px 20px;
  z-index: 200;
}
.setlist-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 10px;
}
.setlist-header h3 { font-size: 0.95rem; font-weight: 700; }
.setlist-songs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  margin-bottom: 12px;
}
.setlist-songs::-webkit-scrollbar { display: none; }
.setlist-chip {
  flex-shrink: 0;
  display: flex; align-items: center; gap: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.82rem;
  white-space: nowrap;
}
.setlist-chip-remove {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 1rem; line-height: 1; padding: 0 0 0 2px;
}
.setlist-chip-remove:hover { color: var(--danger); }
.setlist-empty { color: var(--text-muted); font-size: 0.85rem; padding: 4px 0; }

/* ── Admin form ── */
.admin-container { padding: 20px; max-width: 680px; margin: 0 auto; padding-bottom: 60px; }
.admin-section { margin-bottom: 32px; }
.admin-section h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; color: var(--accent-light); }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { resize: vertical; min-height: 140px; line-height: 1.6; }
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

.admin-song-list { display: flex; flex-direction: column; gap: 10px; }
.admin-song-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}
.admin-song-item-title { font-weight: 700; font-size: 0.95rem; }
.admin-song-item-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 9999;
  transition: transform 0.3s ease;
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--danger); color: var(--danger); }

/* ── Install prompt ── */
.install-banner {
  margin: 12px 16px;
  background: rgba(124,106,247,0.12);
  border: 1px solid rgba(124,106,247,0.3);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
}
.install-banner p { color: var(--text-muted); }
.install-banner strong { color: var(--accent-light); }

/* ── Chord toggle button ── */
.chord-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.15s;
}
.chord-toggle.on { border-color: var(--gold); color: var(--gold); background: rgba(251,191,36,0.1); }
.chord-toggle .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.15s;
}
.chord-toggle.on .dot { background: var(--gold); }

/* ── Divider ── */
.divider { height: 1px; background: var(--border); margin: 24px 0; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Utilities ── */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.flex { display: flex; }
.gap-8 { gap: 8px; }
.items-center { align-items: center; }

/* ── Responsive: slightly wider layout on desktop ── */
@media (min-width: 640px) {
  .song-view { max-width: 640px; margin: 0 auto; }
  .setlist-panel { max-width: 640px; left: 50%; transform: translateX(-50%); border-radius: 20px 20px 0 0; }
  .search-wrap, .category-filter, .song-list { max-width: 640px; margin-left: auto; margin-right: auto; }
}