.chat-container{max-width:800px;margin:0 auto;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.chat-messages{display:flex;flex-direction:column;gap:16px;margin-bottom:20px;max-height:600px;overflow-y:auto;padding:20px;border-radius:8px;background:#f8f9fa}.message-bubble{padding:12px 16px;border-radius:12px;max-width:80%;line-height:1.5}.user-message{align-self:flex-end;background-color:#007bff;color:#fff}.assistant-message{align-self:flex-start;background-color:#e9ecef;color:#212529}.chat-input-container{display:flex;gap:10px;margin-top:20px}.chat-input{flex:1;padding:12px;border:1px solid #dee2e6;border-radius:6px;font-size:16px}.send-button{padding:12px 24px;background-color:#007bff;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:16px}.send-button:hover{background-color:#0056b3}.send-button:disabled{background-color:#6c757d;cursor:not-allowed}