html,body{margin:0;padding:0;overflow:hidden;background:#000;height:100%}body{background-image:url(../assets/background.png);background-size:cover;background-position:center;background-repeat:no-repeat}canvas{display:block}#game-toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%) translateY(10px);padding:12px 16px;max-width:80vw;background:#000000eb;color:#fff;border-radius:14px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:14px;text-align:center;opacity:0;pointer-events:none;z-index:999999;transition:opacity .18s ease,transform .18s ease}#game-toast.show{opacity:1;transform:translate(-50%) translateY(0)}