improved UI

app.py

@@ -88,11 +88,13 @@ with gr.Blocks() as demo:
                 visible=True,
                 height=500,
             )
-            column_radio = gr.Radio(
-                ["All Columns", "Main Metrics", "Narrated", "Oratory", "Spontaneous"],
-                label="Select columns to display",
-                value="All Columns"
-            )
+            with gr.Accordion("📌 Select a more detailed subset",open=False):
+                column_radio = gr.Radio(
+                    ["All Columns", "Main Metrics", "Narrated", "Oratory", "Spontaneous"],
+                    label="Categories",
+                    value="All Columns"
+                    )
+
         column_radio.change(update_table, inputs=[column_radio], outputs=[leaderboard_table])
 
         with gr.TabItem("📈 Metrics", elem_id="od-benchmark-tab-table", id=1):