body,html{margin:0;padding:0;overflow:hidden;height:100%}canvas{display:block}#ui-overlay{position:fixed;top:20px;left:20px;color:#fff;font-family:Arial,sans-serif;font-size:24px;text-shadow:2px 2px 4px rgba(0,0,0,.5);pointer-events:none;display:flex;flex-direction:column;gap:10px}#player-name{font-weight:700;margin-bottom:5px}#score,#players{margin-bottom:5px}#game-over{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background-color:#000c;color:#fff;padding:20px;border-radius:10px;text-align:center;font-size:32px;font-family:Arial,sans-serif}.hidden{display:none}