body {
    background: linear-gradient(to bottom, #0a1f44, #1a2a5c);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: 'Arial', sans-serif;
    margin: 0;
    color: #fff;
}

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

canvas {
    background: linear-gradient(to bottom, #1e3c72, #2a5298);
    border: 2px solid #fff;
    box-shadow: 0 0 20px #fff, 0 0 40px #0ff, 0 0 60px #0ff inset;
    border-radius: 10px;
}

.controls {
    margin-top: 10px;
}

button {
    padding: 8px 16px;
    margin: 5px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #0ff;
    color: #000;
    font-weight: bold;
    box-shadow: 0 0 10px #0ff;
}

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

#score {
    margin-left: 15px;
    font-size: 18px;
    font-weight: bold;
}