body {
    background: #111;
    color: #fff;
    font-family: system-ui, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}

#container {
    margin-top: 30px;
}

h1 {
    font-size: 32px;
    color: #3af;
    margin-bottom: 10px;
}

#game {
    background: #000;
    border: 3px solid #3af;
    border-radius: 6px;
}

#scoreBox {
    margin-top: 10px;
    font-size: 20px;
}

.controls {
    margin-top: 10px;
    font-size: 14px;
    opacity: 0.8;
}

#restartBtn {
    margin-top: 15px;
    padding: 10px 20px;
    font-size: 18px;
    background: #3af;
    color: #000;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

#restartBtn:hover {
    background: #5cf;
}