body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle, #0b0b0b 40%, #000);
  font-family: 'Poppins', sans-serif;
  color: #fff;
  text-align: center;
  overflow: hidden;
}

.game-container {
  max-width: 700px;
  margin: 40px auto;
  padding: 20px;
  background: rgba(30, 30, 30, 0.8);
  border-radius: 15px;
  box-shadow: 0 0 25px #0ff;
}

h1 {
  color: #00e0ff;
  text-shadow: 0 0 20px #0ff;
  margin-bottom: 10px;
}

.controls {
  margin: 15px 0;
}

button {
  background-color: #111;
  color: #0ff;
  border: 1px solid #0ff;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  margin: 5px;
  font-size: 16px;
  transition: 0.2s;
}

button:hover {
  background-color: #0ff;
  color: #111;
  box-shadow: 0 0 20px #0ff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(6, 70px);
  grid-gap: 5px;
  justify-content: center;
}

.cell {
  width: 70px;
  height: 70px;
  background-color: #1a1a1a;
  border-radius: 12px;
  box-shadow: inset 0 0 8px #333;
  position: relative;
  cursor: pointer;
  transition: transform 0.3s;
}

.cell:hover {
  transform: scale(1.05);
}

.wire {
  position: absolute;
  background: #555;
  transition: background 0.3s, box-shadow 0.3s;
}

.active {
  background: #0ff;
  box-shadow: 0 0 20px #0ff;
}

.obstacle {
  background: linear-gradient(135deg, #111, #333);
  box-shadow: inset 0 0 10px #000;
}

.power {
  background: url('https://cdn-icons-png.flaticon.com/512/1048/1048953.png') center/50% no-repeat, #111;
}

.bulb {
  background: url('https://cdn-icons-png.flaticon.com/512/428/428001.png') center/50% no-repeat, #111;
}

.bulb.glow {
  filter: drop-shadow(0 0 15px yellow);
}

.status {
  margin-top: 20px;
  font-size: 18px;
  color: #0ff;
}