body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background: radial-gradient(circle, #0f2027, #203a43, #2c5364);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.game-container {
  text-align: center;
}

canvas {
  background: #111;
  border-radius: 20px;
  box-shadow: 0 0 40px rgba(0,255,255,0.5);
  margin-top: 20px;
}

.controls {
  margin-top: 15px;
}

button {
  padding: 10px 15px;
  margin: 0 5px;
  font-size: 16px;
  border-radius: 8px;
  border: none;
  background: #0ff;
  color: #000;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 0 10px #0ff;
  transition: 0.2s;
}

button:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px #0ff, 0 0 30px #0ff inset;
}

.score-display {
  margin-top: 10px;
  font-size: 20px;
  font-weight: bold;
}