/* ===============================================
   Chord App Manager — Frontend Styles
   =============================================== */
.cma-app-container {
  --primary: #1a1a2e;
  --accent: #e94560;
  --accent2: #0f3460;
  --gold: #f5a623;
  --bg: #f8f9fa;
  --card: #ffffff;
  --text: #2d3436;
  --muted: #636e72;
  --chord-color: #e94560;
  --chord-bg: #fff0f3;
  --border: #e9ecef;
  --green: #00b894;
  font-family: 'Sarabun','Noto Sans Thai',sans-serif;
}
.cma-app-container * { box-sizing: border-box; }

.cma-app-wrapper { max-width: 900px; margin: 0 auto; padding: 16px; }

/* ===== HEADER ===== */
.cma-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent2) 100%);
  border-radius: 16px; padding: 24px; margin-bottom: 16px; color: white;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.cma-header h2 { font-size: 1.5rem; font-weight: 700; margin: 0 0 4px; }
.cma-header .cma-artist { color: #a8b2d8; font-size: 0.95rem; }
.cma-meta-row { display: flex; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.cma-meta-badge {
  background: rgba(255,255,255,0.15); border-radius: 20px;
  padding: 4px 12px; font-size: 0.78rem; color: rgba(255,255,255,0.9);
}

/* ===== CONTROLS ===== */
.cma-controls-bar {
  background: var(--card); border-radius: 12px; padding: 14px 18px;
  margin-bottom: 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06); border: 1px solid var(--border);
}
.cma-ctrl-label { font-size: 0.82rem; color: var(--muted); font-weight: 600; white-space: nowrap; }
.cma-key-btns { display: flex; gap: 4px; flex-wrap: wrap; }
.cma-key-btn {
  padding: 5px 11px; border-radius: 8px; border: 1.5px solid var(--border);
  background: white; font-size: 0.8rem; cursor: pointer; transition: all 0.2s;
  font-family: inherit; color: var(--text); font-weight: 600;
}
.cma-key-btn:hover { border-color: var(--accent); color: var(--accent); }
.cma-key-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.cma-divider { width: 1px; height: 28px; background: var(--border); flex-shrink: 0; }
.cma-trans-btns { display: flex; gap: 6px; align-items: center; }
.cma-trans-btn {
  width: 32px; height: 32px; border-radius: 50%; border: 1.5px solid var(--border);
  background: white; font-size: 1rem; cursor: pointer; display: flex; align-items: center;
  justify-content: center; transition: all 0.2s; font-weight: 700; color: var(--text);
}
.cma-trans-btn:hover { background: var(--accent); color: white; border-color: var(--accent); }
.cma-trans-display {
  min-width: 70px; text-align: center; font-size: 0.82rem; font-weight: 700;
  color: var(--accent); background: var(--chord-bg); padding: 5px 10px; border-radius: 8px;
}
.cma-reset-btn {
  padding: 5px 14px; border-radius: 8px; border: 1.5px solid var(--accent);
  background: white; color: var(--accent); font-size: 0.8rem; cursor: pointer;
  transition: all 0.2s; font-family: inherit; font-weight: 600;
}
.cma-reset-btn:hover { background: var(--accent); color: white; }
.cma-font-ctrl { display: flex; gap: 4px; align-items: center; }
.cma-font-btn {
  padding: 4px 10px; border-radius: 6px; border: 1.5px solid var(--border);
  background: white; cursor: pointer; transition: all 0.2s; font-family: inherit; color: var(--text);
}
.cma-font-btn:hover { border-color: var(--accent2); }

/* ===== CHORD DIAGRAMS ===== */
.cma-diagrams-section {
  background: var(--card); border-radius: 12px; padding: 16px 18px;
  margin-bottom: 16px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); border: 1px solid var(--border);
}
.cma-section-title {
  font-size: 0.82rem; font-weight: 700; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 12px; display: flex; align-items: center; gap: 6px;
}
.cma-section-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.cma-diagrams-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.cma-chord-card {
  display: flex; flex-direction: column; align-items: center; cursor: pointer;
  border-radius: 10px; border: 2px solid transparent; padding: 8px 10px;
  transition: all 0.2s; background: var(--bg);
}
.cma-chord-card:hover { border-color: var(--accent); background: var(--chord-bg); }
.cma-chord-card.playing { border-color: var(--green); background: #f0fdf8; }
.cma-chord-name-label {
  font-size: 0.78rem; font-weight: 700; color: var(--accent); margin-bottom: 6px; text-align: center;
}

/* ===== LYRICS ===== */
.cma-lyrics-section {
  background: var(--card); border-radius: 12px; padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06); border: 1px solid var(--border);
}
.cma-section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.cma-section-heading { font-size: 1rem; font-weight: 700; color: var(--text); }
.cma-capo-info {
  font-size: 0.78rem; background: var(--gold); color: white; padding: 3px 10px;
  border-radius: 20px; font-weight: 600;
}
.cma-song-section { margin-bottom: 24px; }
.cma-song-section-label {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  color: white; background: var(--accent2); display: inline-block;
  padding: 2px 10px; border-radius: 4px; margin-bottom: 10px;
}
.cma-song-section-label.chorus { background: var(--accent); }
.cma-song-section-label.bridge { background: var(--green); }
.cma-song-section-label.outro  { background: var(--gold); }
.cma-song-section-label.intro  { background: #6c5ce7; }
.cma-song-section-label.instru { background: #00cec9; }

.cma-lyric-line { display: flex; flex-wrap: wrap; align-items: flex-end; margin-bottom: 6px; }
.cma-chord-lyric-group { display: inline-flex; flex-direction: column; align-items: flex-start; }
.cma-chord-above {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.88rem; font-weight: 700; color: var(--chord-color);
  background: var(--chord-bg); padding: 1px 5px; border-radius: 4px;
  cursor: pointer; transition: all 0.15s; white-space: nowrap; line-height: 1.4;
  min-height: 22px; display: flex; align-items: center;
}
.cma-chord-above:hover { background: var(--accent); color: white; transform: translateY(-1px); }
.cma-chord-above.playing { background: var(--green); color: white; }
.cma-lyric-text { font-size: 1.05rem; color: var(--text); line-height: 1.8; padding: 0 2px; white-space: pre; }

/* ===== TOAST ===== */
.cma-toast {
  position: fixed; bottom: 24px; right: 24px; background: var(--primary); color: white;
  padding: 10px 18px; border-radius: 12px; font-size: 0.85rem; font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2); transition: all 0.3s; z-index: 99999;
  display: flex; align-items: center; gap: 8px; opacity: 0; pointer-events: none; transform: translateY(10px);
}
.cma-toast.show { opacity: 1; transform: translateY(0); }

/* ===== SOUND WAVE ===== */
.cma-sound-wave { display: inline-flex; gap: 2px; align-items: center; height: 16px; }
.cma-sound-wave span { width: 3px; background: var(--green); border-radius: 2px; animation: cmaWave 0.8s ease-in-out infinite; }
.cma-sound-wave span:nth-child(1) { height: 6px;  animation-delay: 0s; }
.cma-sound-wave span:nth-child(2) { height: 12px; animation-delay: 0.1s; }
.cma-sound-wave span:nth-child(3) { height: 8px;  animation-delay: 0.2s; }
.cma-sound-wave span:nth-child(4) { height: 14px; animation-delay: 0.15s; }
.cma-sound-wave span:nth-child(5) { height: 6px;  animation-delay: 0.05s; }
@keyframes cmaWave { 0%,100% { transform: scaleY(1); } 50% { transform: scaleY(0.4); } }

@media (max-width: 600px) {
  .cma-controls-bar { padding: 10px 12px; gap: 8px; }
  .cma-header { padding: 16px; }
  .cma-header h2 { font-size: 1.2rem; }
  .cma-lyrics-section { padding: 14px; }
  .cma-lyric-text { font-size: 0.95rem; }
  .cma-chord-above { font-size: 0.8rem; }
}