body {
    margin: 0;
    padding: 0;
    background: linear-gradient(to top, #004080, #00bfff);
    overflow: hidden;
    font-family: Arial, sans-serif;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

#gameCanvas {
    display: block;
    background: rgba(0, 50, 100, 0.2);
}

#score {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 24px;
    color: #fff;
    text-shadow: 2px 2px 5px #000;
}