update: adding cursor for waiting

app.py

@@ -676,6 +676,10 @@ def create_chat_interface():
         list-style-position: outside; 
         margin-left: 20px;
     }
+
+    body.waiting * {
+    cursor: progress;
+    }
     """
     js = """
     function createIframeHandler() {
@@ -695,6 +699,10 @@ def create_chat_interface():
         document.addEventListener('click', function (event) {
             var link = event.target.closest('a');
             if (link && link.href) {
+                document.body.classList.add('waiting');
+                setTimeout(function () {
+                    document.body.classList.remove('waiting');
+                }, 1000); // Reset cursor after 1 seconds
                 try {
                     iframe.src = link.href;
                     iframe.style.display = 'block'; // Show iframe on link click