Fix feedback button: use gr.Button+JS instead of gr.HTML

app_gradio.py

@@ -516,14 +516,10 @@ def build_ui() -> gr.Blocks:
     with gr.Blocks(title="악보 → MML 변환기") as demo:
         gr.Markdown("# 악보 → MML 변환기")
         gr.Markdown("PDF 또는 이미지 악보를 업로드하면 마비노기 MML로 변환해드립니다.")
-        gr.HTML(
-            '<div style="text-align:center;margin:8px 0;">'
-            '<a href="https://docs.google.com/forms/d/e/1FAIpQLScDoM53RMjDLlftORYHXmZ5kmkN4TTZOIyFIRuVsZhp4RGjEA/viewform" '
-            'target="_blank" rel="noopener" '
-            'style="display:inline-block;padding:10px 48px;background:#e94560;color:#fff;'
-            'font-size:20px;font-weight:bold;border-radius:8px;text-decoration:none;letter-spacing:1px;">'
-            'Feedback'
-            '</a></div>'
+        feedback_btn = gr.Button(
+            "Feedback — 사용 후기 / 개선 요청",
+            variant="primary",
+            size="lg",
         )
 
         with gr.Row():
@@ -623,6 +619,12 @@ def build_ui() -> gr.Blocks:
             refresh_btn = gr.Button("새로고침", size="sm")
             refresh_btn.click(fn=_get_dashboard, outputs=[dashboard_output])
 
+        # Wire up feedback button
+        feedback_btn.click(
+            fn=None,
+            js="() => { window.open('https://docs.google.com/forms/d/e/1FAIpQLScDoM53RMjDLlftORYHXmZ5kmkN4TTZOIyFIRuVsZhp4RGjEA/viewform', '_blank'); }",
+        )
+
         # Wire up playback JS
         stop_btn.click(fn=None, js=_JS_STOP)
         whole_play_btn.click(fn=None, js=_make_box_play_js("mml-whole", "Whole Part"))