Gradio 6.0 compatibility, simplify UI layout

app.py

@@ -84,14 +84,12 @@ def format_output(result: dict) -> tuple:
             f"❌ Error: {result['error']}",
             "",
             "",
-            "",
         )
     
     return (
         result.get("title", ""),
         result.get("html", ""),
         result.get("text", ""),
-        result.get("html", ""),  # For HTML preview
     )
 
 
@@ -359,40 +357,36 @@ with gr.Blocks(title="UltraData Math Parser") as demo:
             )
             
             with gr.Tabs():
-                with gr.TabItem("📝 Raw HTML"):
-                    html_output = gr.Textbox(
-                        label="Extracted HTML",
+                with gr.TabItem("📄 Plain Text"):
+                    text_output = gr.Textbox(
+                        label="Plain Text (w3m rendered)",
                         lines=15,
                         max_lines=15,
                         interactive=False,
                         autoscroll=False,
                     )
-                with gr.TabItem("📄 Plain Text"):
-                    text_output = gr.Textbox(
-                        label="Plain Text (w3m rendered)",
+                with gr.TabItem("📝 Raw HTML"):
+                    html_output = gr.Textbox(
+                        label="Extracted HTML",
                         lines=15,
                         max_lines=15,
                         interactive=False,
                         autoscroll=False,
                     )
-                with gr.TabItem("👁️ Preview"):
-                    preview_output = gr.HTML(
-                        label="HTML Preview",
-                    )
     
     # Event handlers
     parse_btn.click(
         fn=process_input,
         inputs=[html_input, base_url_input, process_math, include_tables, enable_forum, html_type],
-        outputs=[title_output, html_output, text_output, preview_output],
+        outputs=[title_output, html_output, text_output],
     )
     
     def clear_all():
-        return "", "", "", "", "", ""
+        return "", "", "", "", ""
     
     clear_btn.click(
         fn=clear_all,
-        outputs=[html_input, base_url_input, title_output, html_output, text_output, preview_output],
+        outputs=[html_input, base_url_input, title_output, html_output, text_output],
     )
     
     # Footer info