*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#000;font-family:Segoe UI,system-ui,sans-serif}#game{width:100%;height:100%}#hud{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:10}#crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fffc;font-size:24px;font-weight:700;text-shadow:0 0 4px rgba(0,0,0,.5)}#info{position:absolute;bottom:24px;left:50%;transform:translate(-50%);color:#fff9;font-size:14px;background:#00000080;padding:8px 16px;border-radius:8px;white-space:nowrap}