#chat-widget{position:fixed;bottom:20px;right:20px;width:300px;height:400px;background:#fff;border:1px solid #ccc;border-radius:8px;box-shadow:0 2px 10px #0000001a;display:flex;flex-direction:column}.chat-messages{flex:1;padding:10px;overflow-y:auto;border-bottom:1px solid #ccc}.chat-input{width:100%;padding:5px;margin-top:5px}