Update app.py

app.py

@@ -1,35 +1,34 @@
 import streamlit as st
 
-# Simpler, more reliable sticky header implementation
-st.markdown("""
-<style>
-    /* Basic sticky header */
-    header[data-testid="stHeader"] {
-        position: sticky;
-        top: 0;
-        background-color: #90EE90;
-        z-index: 999;
-        height: auto;
-    }
-</style>
-""", unsafe_allow_html=True)
+# Remove any previous custom CSS styles
+# Keep the original app structure but add a custom sticky header
 
-# --- PAGE SETUP ---
+# Create a placeholder for the sticky header
+header_placeholder = st.empty()
+
+# Use the placeholder to create a container with basic styling
+with header_placeholder.container():
+    st.markdown("""
+    <div style="background-color: #90EE90; padding: 10px; border-bottom: 1px solid #ccc;">
+        <h1>Map descriptions to SBS codes with Sentence Transformer + Reasoning</h1>
+        <h3>Select specific Chapter for quicker results</h3>
+    </div>
+    """, unsafe_allow_html=True)
+
+# You can still use st.logo but it might not appear in the custom header
+# st.logo(image="images/menu_book_60dp_75FBFD.png") # Place this outside the header
+
+# Rest of your app works as normal
+st.sidebar.header("SBS V2.0 mapper")
+st.sidebar.write("(work in progress)")
+st.sidebar.text("Demo by JA-RAD")
+
+# Your page setup and navigation
 type_text_page = st.Page(
     page="pages/type_text.py",
     title="DEMO (work in progress)",
     icon=":material/keyboard:",
     default=True,)
 
-# --- Your Streamlit App ---
-st.title("Map descriptions to SBS codes with Sentence Transformer + Reasoning")
-st.subheader("Select specific Chapter for quicker results")
-st.logo(image="images/menu_book_60dp_75FBFD.png")
-st.sidebar.header("SBS V2.0 mapper")
-st.sidebar.write("(work in progress)")
-st.sidebar.text("Demo by JA-RAD")
-
-# --- NAVIGATION SETUP ---
-pg = st.navigation(pages=[type_text_page]) # WITHOUT SECTIONS
+pg = st.navigation(pages=[type_text_page])
 pg.run()
-