body {
  margin: 0;
  background: radial-gradient(ellipse at bottom, #0d1b2a, #000);
  overflow: hidden;
  font-family: 'Poppins', sans-serif;
  color: #fff;
}

.game-container {
  text-align: center;
  position: relative;
  height: 100vh;
}

canvas {
  border: 2px solid #0ff;
  background: url('https://images.unsplash.com/photo-1446776811953-b23d57bd21aa?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  box-shadow: 0 0 25px #0ff;
  display: block;
  margin: 0 auto;
  margin-top: 20px;
}

.controls {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
}

button {
  background: rgba(0, 255, 255, 0.2);
  border: 2px solid #0ff;
  color: #fff;
  font-size: 18px;
  margin: 5px;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
}

button:hover {
  background: #0ff;
  color: #000;
  box-shadow: 0 0 15px #0ff, 0 0 30px #0ff;
}

.scoreboard {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  text-shadow: 0 0 10px #0ff;
  font-size: 20px;
}