body {
  background: radial-gradient(circle at center, #0f0f1a, #020204);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  text-align: center;
  margin: 0;
  overflow: hidden;
}

.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

header {
  margin-bottom: 10px;
}

.stats {
  margin: 5px 0;
  font-size: 18px;
}

.controls button {
  margin: 5px;
  padding: 6px 14px;
  background: #1e90ff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}

.controls button:hover {
  background: #00bfff;
  transform: scale(1.05);
}

canvas {
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  box-shadow: 0 0 30px rgba(0,255,150,0.3);
}