html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#14251d;overscroll-behavior:none}
body{position:fixed;inset:0}
#gameViewport{position:fixed;left:50%;top:50%;width:100vw;height:100dvh;max-width:none;max-height:none;border:0;display:block;transform:translate(-50%,-50%);transform-origin:center;overflow:hidden;color-scheme:only light}
@media(orientation:portrait){#gameViewport{width:100dvh;height:100vw;transform:translate(-50%,-50%) rotate(90deg)}}