.waveform-container {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 300px;
  height: 150px;
  z-index: 100;
}

#waveform-canvas {
  width: 100%;
  height: 100%;
  background-color: #000;
  border: 1px solid #fff;
}

.waveform-toggle {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 30px;
  height: 30px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  border: 1px solid #fff;
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 101;
}

.waveform-container:hover .waveform-toggle {
  display: flex;
}