* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  overflow: hidden;
}

body {
  background: #000;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

#three-canvas {
  width: 100vw;
  height: 100vh;
  display: block;
}

#video {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 180px;
  border-radius: 12px;
  opacity: 0.12;
  z-index: 2;
  transform: scaleX(-1);
  pointer-events: none;
}