html,body{margin:0;width:100%;height:100%;background:#153c42;overflow:hidden}#app{width:100%;height:100dvh;display:flex;align-items:center;justify-content:center}#game-container{width:100%;height:100%;display:flex;align-items:center;justify-content:center}#game-container canvas{display:block;max-width:100%;max-height:100%;touch-action:none}#parent-diagnostics{position:fixed;right:8px;bottom:8px;z-index:5;padding:3px 7px;max-width:min(92vw,380px);background:#102c33d9;color:#fff;font:12px/1.4 system-ui,sans-serif;border-radius:6px}#parent-diagnostics summary{cursor:pointer}#parent-diagnostics button{margin-top:6px}