body {
  margin: 0;
  overflow: hidden;
  background: #0d0d0d;
}

#canvas {
  display: block;
}

#chat-bubble {
  position: absolute;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.9);
  color: #111;
  font-family: sans-serif;
  border-radius: 10px;
  display: none;
  pointer-events: none;
  font-size: 14px;
}