body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: radial-gradient(circle, #0f0c29, #302b63, #24243e);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

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

canvas {
  background: #111;
  border: 2px solid #fff;
  display: block;
  margin: 20px auto;
  box-shadow: 0 0 20px #0ff, 0 0 40px #0ff;
}

.controls button {
  margin: 5px;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 6px;
  border: none;
  background: #0ff;
  color: #000;
  font-weight: bold;
  box-shadow: 0 0 10px #0ff;
  transition: 0.2s;
}

.controls button:hover {
  box-shadow: 0 0 20px #0ff, 0 0 30px #0ff;
}

.scoreboard {
  margin-top: 10px;
  font-size: 18px;
  display: flex;
  justify-content: center;
  gap: 20px;
}