body {
    font-family: Arial, sans-serif;
    background: radial-gradient(circle, #000000, #111111);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #fff;
}

.game-container {
    text-align: center;
}

#game-area {
    position: relative;
    width: 300px;
    height: 500px;
    margin: 20px auto;
    border: 2px solid #fff;
    background-color: #000;
    overflow: hidden;
    border-radius: 10px;
}

.bulb, .obstacle {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s;
}

.bulb {
    background: radial-gradient(circle, #00ffff, #00aaff);
    box-shadow: 0 0 15px #00ffff, 0 0 30px #00ffff, 0 0 50px #00ffff;
}

.bulb:hover {
    transform: scale(1.2);
}

.obstacle {
    background-color: red;
    box-shadow: 0 0 10px red, 0 0 20px red;
}

.controls button {
    padding: 10px 15px;
    margin: 5px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
}

.controls button:hover {
    background-color: #00ffff;
    color: #000;
}