Update app.py

app.py

@@ -63,8 +63,8 @@ def user_input(user_question, api_key):
     st.write("Reply: ", response["output_text"])
 
 def main():
-    st.set_page_config(page_title="Chat PDF", page_icon="📄")
-    st.header("📚 RAG Chat with PDF - Gemini 2.0")
+    st.set_page_config(page_title="Chat PDF", page_icon="")
+    st.header(" RAG Chat with PDF - Gemini 2.0")
     st.markdown("---")
 
     # Initialize session state
@@ -95,7 +95,7 @@ def main():
 
     # STEP 2: Upload PDF(s)
     if not st.session_state["pdf_processed"]:
-        st.subheader("📤 Step 1: Upload your PDF file(s)")
+        st.subheader(" Step 1: Upload your PDF file(s)")
         pdf_docs = st.file_uploader(
             "Upload PDF files", 
             accept_multiple_files=True,