body {
  margin: 0;
  overflow: hidden;
  background: #000;  
}

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

#controls {
  position: fixed;
  bottom: 20px;
  left: 20px;
  color: white;
  font-family: Arial, sans-serif;
  background: rgba(0,0,0,0.7);
  padding: 15px;
  border-radius: 8px;
  font-size: 16px;
  transition: transform 0.3s ease;
}

#controls.hidden {
  transform: translateY(calc(100% + 20px));
}

#toggleMenu {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background: rgba(0,0,0,0.7);
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  display: none;
}

#controls.hidden + #toggleMenu {
  display: block;
}