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

.game-container {
  text-align: center;
  background: rgba(0,0,0,0.6);
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(255,255,255,0.2);
}

.bulb-sequence {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.bulb {
  width: 50px;
  height: 50px;
  margin: 0 10px;
  border-radius: 50%;
  background: #444;
  box-shadow: 0 0 10px #222;
  cursor: pointer;
  transition: 0.3s all;
}

.bulb.glow {
  background: yellow;
  box-shadow: 0 0 20px yellow, 0 0 40px yellow, 0 0 60px yellow;
}

.controls button {
  padding: 10px 20px;
  margin: 10px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 5px;
  border: none;
  background: #ffcc00;
  color: #000;
  font-weight: bold;
  transition: 0.2s all;
}

.controls button:hover {
  background: #ffd633;
}

#status {
  margin-top: 20px;
  font-size: 18px;
  font-weight: bold;
}