Update app.py

app.py

@@ -1105,17 +1105,17 @@ Get AI-powered credit card recommendations that maximize your rewards based on:
                         custom_mcc_input = gr.Textbox(
                             label="Custom MCC Code",
                             placeholder="e.g., 5411",
-                            visible=False
+                            visible=False, interactive=True
                         )
                         
                         def toggle_custom_mcc(use_custom):
-                            return gr.update(visible=use_custom)
+                            return gr.update(visible=use_custom, interactive=use_custom)
                         
                         use_custom_mcc.change(
-                            fn=toggle_custom_mcc,
-                            inputs=[use_custom_mcc],
-                            outputs=[custom_mcc_input]
-                        )
+                                                fn=toggle_custom_mcc,
+                                                inputs=[use_custom_mcc],
+                                                outputs=[custom_mcc_input]
+                                            )
                     
                     recommend_btn = gr.Button(
                         "🚀 Get Recommendation",