body{margin:0;font-family:Arial}.chat-message-user,.chat-message-robot{align-items:start;margin-bottom:20px;display:flex}.chat-message-user{justify-content:flex-end}.chat-message-text{background-color:#eee;border-radius:10px;max-width:300px;margin:0 10px;padding:15px 20px}.chat-message-profile{width:45px}.chat-messages-container{scrollbar-width:none;flex-grow:1;margin-top:20px;overflow-y:scroll}.chat-input-container{margin-bottom:60px;display:flex}.chat-input{border:1px solid #ccc;border-radius:10px;flex-grow:1;padding:12px 15px;font-size:15px}.send-button{color:#fff;cursor:pointer;background-color:#198754;border:none;border-radius:10px;margin-left:10px;padding:12px 20px;font-size:15px}.app-container{flex-direction:column;max-width:600px;height:100vh;margin:0 auto;display:flex}