html,body{background:#000;margin:0;padding:0}#game-shell{width:100vw;height:100vh;position:relative;overflow:hidden}#fullscreen-toggle{z-index:2000;color:#f4f8ff;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;background:#070a11b8;border:1px solid #b5c6e0bf;border-radius:999px;padding:8px 12px;font:600 12px/1 IBM Plex Sans,Segoe UI,sans-serif;transition:background-color .12s,border-color .12s,opacity .12s;position:fixed;top:12px;right:12px}#fullscreen-toggle:hover,#fullscreen-toggle:focus-visible{background:#131c2de6;border-color:#a4cefff2}#fullscreen-toggle:active{opacity:.85}#fps-counter{z-index:2000;color:#d9f8ff;letter-spacing:.02em;pointer-events:none;-webkit-user-select:none;user-select:none;white-space:nowrap;background:#040c14bf;border:1px solid #79dff773;border-radius:8px;padding:6px 8px;font:500 11px/1.2 IBM Plex Mono,ui-monospace,SFMono-Regular,Menlo,monospace;position:fixed;top:56px;right:12px}