refactor: restructure layout

app.py

@@ -507,15 +507,16 @@ with gr.Blocks() as demo:
                 sources="upload",
                 label="Reference Audio",
             )
-            method_dropdown = gr.Dropdown(
-                ["Mean", "Nearest Neighbour", "ST-ITO", "Regression"],
-                value="ST-ITO",
-                label=f"Style Transfer Method",
-                interactive=True,
-            )
-            process_button = gr.Button(
-                "Run", elem_id="render-button", variant="primary"
-            )
+            with gr.Row():
+                method_dropdown = gr.Dropdown(
+                    ["Mean", "Nearest Neighbour", "ST-ITO", "Regression"],
+                    value="ST-ITO",
+                    label=f"Style Transfer Method",
+                    interactive=True,
+                )
+                process_button = gr.Button(
+                    "Run", elem_id="render-button", variant="primary"
+                )
 
         with gr.Column():
             audio_output = default_audio_block(label="Output Audio", interactive=False)