html, body {
  margin: 0;
  padding: 0;
}

canvas {
  display: block;
}

.toggle-switch {
  display: inline-flex;
  width: 300px;
  border: 2px solid #000;
  border-radius: 50px;
  overflow: hidden;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
}

.toggle-option {
  flex: 1;
  padding: 6px 0;
  text-align: center;
  transition: all 0.3s ease;
  font-weight: 500;
}

.toggle-option.left {
  border-right: 2px solid #000;
}

.toggle-option.right {
}

.toggle-option.active {
  background-color: #000;
  color: #fff;
}

.toggle-option.inactive {
  background-color: #fff;
  color: #000;
}

/* 3D Depth 슬라이더 */
input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: #000000;
  border-radius: 3px;
  outline: none;
}

input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 13.5px;
  height: 13.5px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #000000;
  cursor: pointer;
}

input[type='range']::-moz-range-thumb {
  width: 13.5px;
  height: 13.5px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #000000;
  cursor: pointer;
}