Update app.py

app.py

@@ -153,21 +153,24 @@ if st.session_state.chunked and not st.session_state.vector_created:
 # ----------------- Query Input -----------------
 query = None  
 
-# Step 1: No PDF Provided Yet
-if not st.session_state.pdf_path and not st.session_state.get("trigger_download", False):
+# Check if a valid PDF URL has been entered (but not processed yet)
+pdf_url_entered = bool(st.session_state.get("pdf_url"))  # Checks if text is in the input box
+
+# No PDF Provided Yet
+if not st.session_state.pdf_path and not pdf_url_entered:
     st.info("📥 **Please upload a PDF or enter a valid URL to proceed.**")
 
-# Step 2: PDF URL Exists but Not Processed Yet
-elif st.session_state.pdf_path and not st.session_state.pdf_loaded and not st.session_state.get("trigger_download", False):
+# PDF URL Exists but Not Processed Yet (Only show if URL exists but hasn't been downloaded)
+elif pdf_url_entered and not st.session_state.pdf_loaded:
     st.warning("⚠️ **PDF detected! Click 'Download and Process PDF' to start processing.**")
 
-# Step 3: Processing in Progress 
+# Processing in Progress 
 elif st.session_state.get("trigger_download", False) and (
     not st.session_state.pdf_loaded or not st.session_state.chunked or not st.session_state.vector_created
 ):
     st.info("⏳ **Processing your document... Please wait.**")
 
-# Step 4: Processing Complete, Ready for Questions
+# ✅ Step 4: Processing Complete, Ready for Questions
 elif st.session_state.pdf_loaded and st.session_state.chunked and st.session_state.vector_created:
     st.success("🎉 **Processing complete! You can now ask questions.**")
     query = st.text_input("🔍 **Ask a question about the document:**")