html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    box-sizing: border-box;
    background-color: rgb(23, 45, 68);
    background-position: center center;
    background-attachment: fixed;
}

#game-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Changed from center to flex-start to remove top space */
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
}

#mobile-game-container {
    width: 100vw;
    height: 100vh;
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: flex-start; /* Changed from center to flex-start to remove top space */
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
}

canvas {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    margin: 0 auto;
}

/* Desktop canvas positioning */
#game-container canvas {
    margin: 0;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* Mobile canvas positioning */
#mobile-game-container canvas {
    margin: 0;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}