*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background:transparent;overflow:hidden;width:100%;height:100%}#gameContainer{position:relative;width:100%;height:100%;background:linear-gradient(180deg,#1a1a2e,#16213e);display:flex;align-items:center;justify-content:center;overflow:hidden}#gameCanvas{display:block;background:#2a2a2a;border:none;border-radius:4px;box-shadow:inset 0 0 20px #00000080}#gameUI{position:absolute;top:10px;left:10px;color:#fff;font-size:14px;z-index:10;text-shadow:1px 1px 2px rgba(0,0,0,.8)}#score{font-weight:700;margin-bottom:5px}#connectionStatus{font-size:12px;opacity:.8}#connectionStatus.connected{color:#28a745}#connectionStatus.disconnected{color:#dc3545}#connectionStatus.connecting{color:#ffc107}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:20}#gameOver{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:20}.game-over-content{text-align:center;color:#fff;padding:20px;border-radius:8px;background:#1a1a2ee6;border:2px solid #444}.game-over-content h2{color:#ff4757;margin-bottom:10px;font-size:24px;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.game-over-content p{margin:8px 0;font-size:14px}.controls-hint{color:#70a1ff;font-style:italic;margin-top:10px!important}#loading{position:absolute;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:20}.loading-content{text-align:center;color:#fff;padding:20px}.loading-content p{font-size:16px;animation:pulse 1.5s ease-in-out infinite alternate}@keyframes pulse{0%{opacity:.6}to{opacity:1}}.hidden{display:none!important}@media (max-width: 480px){#gameCanvas{width:95%;height:240px}.game-over-content h2{font-size:20px}.game-over-content p{font-size:12px}}#gameCanvas:focus{outline:2px solid #70a1ff;outline-offset:2px}