body {
    margin: 0;
    overflow: hidden;
    background: linear-gradient(45deg, #1e1e1e, #3e3e3e);
    font-family: Arial, sans-serif;
}

#game {
    position: relative;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #111, #222);
    overflow: hidden;
    border: 2px solid #fff;
}

.paddle {
    position: absolute;
    width: 20px;
    height: 100px;
    background: #fff;
    top: calc(50% - 50px);
    animation: glow 1.5s infinite;
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px #fff;
    }
    50% {
        box-shadow: 0 0 30px #00f;
    }
}

#paddle-left {
    left: 20px;
}

#paddle-right {
    right: 20px;
}

#ball {
    position: absolute;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, #ff0, #f00);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}