Update app.py

updated ui error

app.py

@@ -414,20 +414,20 @@ coordinator_agent = CoordinatorAgent(message_bus)
 # Gradio Interface
 def create_interface():
     """Create Gradio interface"""
-    
+
     with gr.Blocks(
         theme=gr.themes.Base().set(
-            body_background_color="#0b0f19",
-            body_text_color="#ffffff",
-            button_primary_background_fill="#6366f1",
-            button_primary_background_fill_hover="#4f46e5",
+            background_fill_primary="#0b0f19",
+            text_color_primary="#ffffff",
+            button_primary_background="#6366f1",
+            button_primary_background_hover="#4f46e5",
             button_primary_text_color="#ffffff",
-            block_background_fill="#1f2937",
+            block_background="#1f2937",
             block_border_color="#374151",
-            input_background_fill="#374151",
+            input_background="#374151",
             input_border_color="#4b5563",
             input_placeholder_color="#9ca3af",
-            checkbox_background_color="#374151",
+            checkbox_background_color_selected="#374151",
             checkbox_border_color="#4b5563",
             panel_background_fill="#111827",
             panel_border_color="#374151",