html,body{width:100%;height:100%;margin:0;padding:0;overflow:hidden}#toolbar{border-bottom:1px solid #ddd;align-items:center;gap:10px;height:50px;padding:10px;display:flex}#workspace{height:calc(100vh - 50px);display:flex}#editor{background:#f5f5f5;flex:1;width:100%;height:calc(100vh - 50px)}#properties{background:#fff;border-left:1px solid #ddd;width:300px;padding:15px}#properties input,#properties select{width:100%;margin-bottom:15px}@media screen and (width<=900px){#properties{width:100px}}