body {
    margin: 0;
    padding: 0;
    color: rgba(255, 255, 255, 0.87);
    background-color: #222;
    font-family: Arial, sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#app {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

/* Ensure Phaser canvas is centered */
canvas {
    display: block;
    margin: 0 auto;
}