Update Layout again

app.py

@@ -9,34 +9,31 @@ import re
 import logging
 logging.basicConfig(level=logging.INFO)
 
-
-st.set_page_config(layout="wide")
-
-# Banner at the top with United Nations blue background and white heading text
+# st.set_page_config(layout="wide")
 st.markdown(
     """
-    <div style="background-color:#0071BC; padding: 15px 0; text-align:center; width: 100%;">
+    <style>
+        .full-width-banner {
+            width: 100vw;
+            position: relative;
+            left: -50vw;
+            right: -50vw;
+            margin-left: 50%;
+            margin-right: 50%;
+            background-color: #0071BC; /* UN Blue */
+            padding: 15px 0;
+            text-align: center;
+            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
+            z-index: 1000;
+        }
+    </style>
+    <div class="full-width-banner">
         <h1 style="color:white; margin:0;">Montreal AI Decisions (MVP)</h1>
     </div>
     """,
     unsafe_allow_html=True
 )
 
-# Wrap the rest of the app in a centered container
-with st.container():
-    st.markdown(
-        """
-        <style>
-            .centered-container {
-                max-width: 900px;
-                margin: auto;
-                padding: 2rem 1rem;
-            }
-        </style>
-        <div class="centered-container">
-        """,
-        unsafe_allow_html=True
-    )
     
 ########### Function for getting response #######################
 def chat_response(query, filter_metadata=None):