Update app.py

app.py

@@ -79,19 +79,33 @@ def user_input(user_question):
 
 
 
-
 def main():
     st.set_page_config("Chat PDF")
+    st.markdown(
+        """
+        <style>
+        .reportview-container {
+            background: #fff;
+        }
+        </style>
+        """,
+        unsafe_allow_html=True,
+    )
     st.header("Chat with PDF using Gemini💁")
 
+    # Text input for user question
     user_question = st.text_input("Ask a Question from the PDF Files")
 
+    # If user inputs a question, process it
     if user_question:
         user_input(user_question)
 
+    # Sidebar menu
     with st.sidebar:
         st.title("Menu:")
+        # File uploader for PDF files
         pdf_docs = st.file_uploader("Upload your PDF Files and Click on the Submit & Process Button", accept_multiple_files=True)
+        # Button to submit and process PDF files
         if st.button("Submit & Process"):
             with st.spinner("Processing..."):
                 raw_text = get_pdf_text(pdf_docs)
@@ -99,7 +113,5 @@ def main():
                 get_vector_store(text_chunks)
                 st.success("Done")
 
-
-
 if __name__ == "__main__":
-    main()
+    main()