body{margin:0;background:#343541;color:white;}
#app{display:flex;height:100vh;}
#sidebar{width:250px;background:#202123;padding:10px;}
#main{flex:1;display:flex;flex-direction:column;}
#chat{flex:1;overflow:auto;padding:20px;}
.user{text-align:right;}
.bot{text-align:left;}
.bubble{display:inline-block;padding:10px;border-radius:10px;background:#444;margin:5px;}
#inputArea{display:flex;padding:10px;background:#40414f;}
#msg{flex:1;background:#40414f;color:white;border:none;}