Update app.py

app.py

@@ -151,7 +151,12 @@ st.write("📂 **Vector Store Created:**", st.session_state.vector_created)
 
 
 # ----------------- Query Input -----------------
-query = st.text_input("🔍 Ask a question about the document:")
+# Ensure the query input appears ONLY after the document is fully processed
+if st.session_state.pdf_loaded and st.session_state.chunked and st.session_state.vector_created:
+    query = st.text_input("🔍 Ask a question about the document:")
+else:
+    st.info("📥 Please wait for the PDF to be processed before asking a question.")
+
 if query:
     with st.spinner("🔄 Retrieving relevant context..."):
         retriever = st.session_state.vector_store.as_retriever(search_type="similarity", search_kwargs={"k": 5})