body {
    background: linear-gradient(120deg, #222 0%, #333 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: Arial, sans-serif;
    margin: 0;
    height: 100vh;
}

h1 {
    margin-top: 30px;
    margin-bottom: 10px;
    font-size: 2em;
    letter-spacing: 2px;
    text-shadow: 0 2px 6px #0008;
}

#scoreboard {
    font-size: 1.6em;
    font-weight: bold;
    margin-bottom: 14px;
    letter-spacing: 3px;
    text-shadow: 0 2px 6px #0004;
}

#pong {
    background: #181f23;
    border: 4px solid #fff;
    box-shadow: 0 0 32px #000c;
    display: block;
    margin: 0 auto;
}

#message {
    margin-top: 16px;
    font-size: 1.2em;
    color: #ffeb3b;
    text-align: center;
    min-height: 1.5em;
    font-weight: bold;
    letter-spacing: 1px;
    text-shadow: 0 2px 6px #000a;
}

/* Paddle Bounce Animation */
.paddle-bounce {
    animation: paddle-bounce 0.3s linear;
}

@keyframes paddle-bounce {
    0% {
        box-shadow: 0 0 18px 4px #00e5ff, 0 0 0 #fff;
    }

    40% {
        box-shadow: 0 0 32px 10px #00e5ff, 0 0 0 #fff;
    }

    70% {
        box-shadow: 0 0 8px 2px #00e5ff, 0 0 0 #fff;
    }

    100% {
        box-shadow: 0 0 0 #00e5ff, 0 0 0 #fff;
    }
}