body{font-family:Arial,sans-serif;margin:0;padding:20px;background-color:#f5f5f5}#name-input-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:80vh;gap:20px}#name-input{padding:10px 15px;font-size:16px;border:2px solid #333;border-radius:5px;width:300px}#join-button{padding:10px 30px;font-size:16px;background-color:#4caf50;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s}#join-button:hover{background-color:#45a049}#game-container{display:none}#player-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}#player-name{font-size:24px;font-weight:700;color:#333}#game-canvas{border:2px solid #333;background-color:#fff;width:100%;height:600px}