*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#101b2a;color:#e6edf5;font-family:Arial,Helvetica,sans-serif}
#game-stage{position:absolute;left:0;top:0;border:0;transform-origin:0 0;display:block}
#small-screen{position:fixed;inset:0;display:flex;flex-direction:column;justify-content:center;justify-content:safe center;align-items:center;padding:24px;text-align:center;gap:14px;background:#101b2a;outline:none;overflow:auto}
#small-screen[hidden]{display:none}h1{font-size:24px;margin:0}p{max-width:480px;line-height:1.6;margin:0;color:#bac7d6}output{font-size:14px;color:#93a8bd}button{font:inherit;color:#eef5fc;border:1px solid #657e96;border-radius:5px;background:#263e56;padding:10px 18px;cursor:pointer}button:focus-visible{outline:2px solid #d4bd80;outline-offset:3px}[role=status]{font-size:14px}