#livechat-container{display:flex;font-family:sans-serif;}#thread-list{width:200px;border-right:1px solid #ccc;padding:10px;}#thread-list div{cursor:pointer;padding:5px;}#chat-panel{flex:1;display:flex;flex-direction:column;}#messages{flex:1;overflow:auto;padding:10px;}#typing{font-style:italic;height:20px;}#chat-input{width:100%;height:60px;margin:5px 0;}#send-btn{padding:10px;}