body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  height: 100vh;
  background-color: #1e1e2f;
  font-family: Arial, sans-serif;
  color: white;
}

#loading-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 10;
}

#startButton {
  padding: 10px 20px;
  font-size: 18px;
  margin-top: 20px;
  cursor: pointer;
  border: none;
  background: #4caf50;
  color: white;
  border-radius: 5px;
  transition: background 0.3s ease;
}

#startButton:hover {
  background: #45a049;
}

canvas {
  border: 2px solid white;
  display: block;
  background-color: #000;
}