/* chord-midi-player (自作MIDI再生・ピアノロールコンポーネント) */
chord-midi-player {
  display: block;
  margin-bottom: 0.5rem;
}

.chord-midi-player-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 0.5rem;
}

.chord-midi-player-play-btn {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: none;
  background-color: var(--accent-primary);
  color: #fff;
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
}

.chord-midi-player-seek {
  flex: 1 1 auto;
  accent-color: var(--accent-primary);
}

.chord-midi-player-time {
  flex-shrink: 0;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 5.5rem;
  text-align: right;
}

.chord-midi-player-loop-btn,
.chord-midi-player-zoom-btn {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: transparent;
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1;
  cursor: pointer;
}

.chord-midi-player-loop-btn.active {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}

.chord-midi-player-play-btn:focus-visible,
.chord-midi-player-loop-btn:focus-visible,
.chord-midi-player-zoom-btn:focus-visible,
.chord-midi-player-seek:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.chord-midi-player-status.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chord-midi-player-scroll {
  height: 280px;
  min-height: 150px;
  overflow: auto;
  background-color: var(--visualizer-bg);
  border: 1px solid var(--visualizer-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}