html, body, #three-container {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
}

#sliders {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  padding: 8px;
  background: rgba(255,255,255,0.9);
  max-height: 90vh;
  overflow-y: auto;
  box-sizing: border-box;
}