body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(to bottom, #0d0d0d, #1a1a1a);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

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

canvas {
    background-color: #111;
    display: block;
    margin: 20px auto;
    border-radius: 15px;
    box-shadow: 0 0 20px #0ff;
}

.controls {
    margin-top: 10px;
}

button {
    margin: 5px;
    padding: 8px 15px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #0ff;
    color: #111;
    font-weight: bold;
    box-shadow: 0 0 10px #0ff;
    transition: 0.2s;
}

button:hover {
    box-shadow: 0 0 20px #0ff, 0 0 40px #0ff;
}

#score {
    font-size: 18px;
    margin-left: 20px;
}