body{margin:0;background:#0d0f1a;color:#fff;font-family:Inter,system-ui}header{position:fixed;top:0;left:0;right:0;padding:10px 16px;display:flex;gap:16px;backdrop-filter:blur(8px)}main{height:100svh;width:100vw}#router{position:absolute;inset:0;top:48px}a{color:#4fa3ff;text-decoration:none}

#hud{margin-left:auto;opacity:.9;}