html,body,#root{background:#000;width:100%;height:100%;margin:0;overflow:hidden}*{box-sizing:border-box}.app{background:#fff;width:100vw;height:100vh;display:flex;overflow:hidden}.unity-panel{background:#fff;flex:1;min-width:0;overflow:hidden}.unity-panel iframe{border:none;width:100%;height:100%;display:block}.chat-panel{flex-shrink:0;width:420px}