update sketch input

app.py

@@ -677,8 +677,13 @@ with gr.Blocks(title="VISTA Demo (HF Spaces)") as demo:
 
     with gr.Row():
         person_in = gr.Image(label="Person Image (required)", type="filepath")
-        sketch_in = gr.Image(label="Sketch / Guide (optional)", type="filepath")  # ✅ (2) 선택
-        style_in = gr.Image(label="Style Image (required)", type="filepath")
+        style_in  = gr.Image(label="Style Image (required)", type="filepath")
+        
+    with gr.Accordion("Sketch / Guide (optional)", open=False):
+        sketch_in = gr.Image(
+            label="Sketch / Guide",
+            type="filepath"
+        )
 
     with gr.Row():
         prompt_in = gr.Textbox(label="Prompt", value="upper garment", lines=2)