body {
  margin: 0;
  background: radial-gradient(circle at center, #0f0f0f, #000);
  color: #fff;
  font-family: "Poppins", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
}

.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 600px;
  margin-bottom: 10px;
}

h1 {
  font-size: 1.8rem;
  color: #00eaff;
  text-shadow: 0 0 10px #00eaff, 0 0 20px #00eaff;
}

.controls button {
  background: none;
  border: 2px solid #00eaff;
  color: #00eaff;
  font-size: 1rem;
  margin-left: 8px;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.2s ease;
}

.controls button:hover {
  background: #00eaff;
  color: #000;
  box-shadow: 0 0 10px #00eaff, 0 0 20px #00eaff;
}

.game-container {
  position: relative;
}

canvas {
  background: #111;
  border-radius: 15px;
  box-shadow: 0 0 20px #00eaff, 0 0 40px #00eaff;
}

.info {
  margin-top: 12px;
  font-size: 0.95rem;
  color: #ccc;
  text-align: center;
  width: 600px;
}