html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

canvas {
  display: block;
  position: fixed;
  top: 0; left: 0; 
  width: 100vw;
  height: 100vh;
  z-index: 1;
}

/* Hint voor de gebruiker */
#hint {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-family: sans-serif;
  background: rgba(255,255,255,0.8);
  color: #222;
  padding: 8px 16px;
  border-radius: 10px;
  z-index: 10;
  pointer-events: none;
  font-size: 1.2em;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: opacity 1s;
}