body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #121212;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  max-width: 500px;
  width: 100%;
  padding: 20px;
  text-align: center;
}

#loading-screen {
  font-size: 24px;
  animation: fadeIn 1s infinite alternate;
}

@keyframes fadeIn {
  from { opacity: 0.5; }
  to { opacity: 1; }
}

.controls, .buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 10px 0;
}

button {
  background: #333;
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background: #444;
}

canvas {
  background: #1e1e1e;
  margin-top: 15px;
  border-radius: 10px;
  max-width: 100%;
}