Update app.py

app.py

@@ -277,7 +277,7 @@ if page == "Home":
     colored_header("Chat", description="Ask questions about building regulations")
 
     # Chat container with custom CSS class
-    st.markdown('<div class="chat-container">', unsafe_allow_html=True)
+    st.markdown('<div class="chat-container" id="chat-container">', unsafe_allow_html=True)
     for chat in st.session_state.chat_history:
         with st.container():
             if chat['role'] == 'user':
@@ -296,6 +296,16 @@ if page == "Home":
                 """, unsafe_allow_html=True)
     st.markdown('</div>', unsafe_allow_html=True)
 
+    # Inject JavaScript to auto-scroll the chat container
+    st.markdown("""
+        <script>
+            const chatContainer = document.getElementById('chat-container');
+            if (chatContainer) {
+                chatContainer.scrollTop = chatContainer.scrollHeight;
+            }
+        </script>
+        """, unsafe_allow_html=True)
+
     # Chat input improvements
     with st.form("chat_form", clear_on_submit=True):
         user_input = st.text_area("Ask a question about building regulations...", height=100)