html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #fff;
}
#app {
  position: fixed;
  inset: 0;
}

/* 🎧 Audio UI */
.audio-controls {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 10px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  border-radius: 8px;
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: system-ui, sans-serif;
  font-size: 13px;
}
.audio-controls button,
.audio-controls input[type=range] {
  cursor: pointer;
}
.audio-controls button {
  background: rgba(255,255,255,0.2);
  border: none;
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.2s;
}
.audio-controls button:hover {
  background: rgba(255,255,255,0.4);
}