Update app.py

app.py

@@ -600,36 +600,44 @@ with col2:
     
     # Library Demos
     st.subheader("Library Demos")
-    if st.button("Run PDF Library Demos"):
-        with st.spinner("Running demos..."):
-            # Create tabs for each demo
-            demo_tabs = st.tabs(["PikePDF", "FPDF", "PyMuPDF", "Image Demo"])
-            
-            with demo_tabs[0]:
-                # pikepdf demo
-                pike_pdf = demo_pikepdf()
-                st.download_button("Download pikepdf Demo", pike_pdf, "pikepdf_demo.pdf")
-                st.write("PikePDF demo created successfully!")
-                st.info("This PDF contains the multilevel markdown outline in a two-column layout.")
-            
-            with demo_tabs[1]:
-                # fpdf demo
-                fpdf_pdf = demo_fpdf()
-                st.download_button("Download fpdf Demo", fpdf_pdf, "fpdf_demo.pdf")
-                st.write("FPDF demo created successfully!")
-                st.info("This PDF contains the multilevel markdown outline in a two-column layout.")
-            
-            with demo_tabs[2]:
-                # pymupdf demo
-                pymupdf_pdf = demo_pymupdf()
-                st.download_button("Download pymupdf Demo", pymupdf_pdf, "pymupdf_demo.pdf")
-                st.write("PyMuPDF demo created successfully!")
-                st.info("This PDF contains the multilevel markdown outline in a two-column layout.")
+    
+    # PikePDF demo
+    if st.button("Generate PikePDF Demo"):
+        with st.spinner("Generating PikePDF demo..."):
+            pike_pdf = demo_pikepdf()
+            st.download_button("Download PikePDF Demo", pike_pdf, "pikepdf_demo.pdf")
+            st.success("PikePDF demo created successfully!")
+            st.info("This PDF contains the multilevel markdown outline in a two-column layout.")
+    
+    # FPDF demo
+    if st.button("Generate FPDF Demo"):
+        with st.spinner("Generating FPDF demo..."):
+            fpdf_pdf = demo_fpdf()
+            st.download_button("Download FPDF Demo", fpdf_pdf, "fpdf_demo.pdf")
+            st.success("FPDF demo created successfully!")
+            st.info("This PDF contains the multilevel markdown outline in a two-column layout.")
+    
+    # PyMuPDF demo
+    if st.button("Generate PyMuPDF Demo"):
+        with st.spinner("Generating PyMuPDF demo..."):
+            pymupdf_pdf = demo_pymupdf()
+            st.download_button("Download PyMuPDF Demo", pymupdf_pdf, "pymupdf_demo.pdf")
+            st.success("PyMuPDF demo created successfully!")
+            st.info("This PDF contains the multilevel markdown outline in a two-column layout.")
+    
+    # Image demo
+    if st.button("Generate Demo Image"):
+        with st.spinner("Generating demo image..."):
+            img_data = demo_image_capture()
+            st.image(img_data, caption="Demo Image (Camera simulation)")
             
-            with demo_tabs[3]:
-                # Image demo
-                img_data = demo_image_capture()
-                st.image(img_data, caption="Demo Image (Camera simulation)")
+            # Add download button for the image
+            st.download_button(
+                label="Download Image", 
+                data=img_data,
+                file_name="demo_image.jpg",
+                mime="image/jpeg"
+            )
 
     # Main PDF Generation
     st.subheader("Main Outline PDF")