Update app.py

app.py

@@ -19,14 +19,14 @@ def progress_bar_html(label: str) -> str:
     return f'''
 <div style="display: flex; align-items: center;">
     <span style="margin-right: 10px; font-size: 14px;">{label}</span>
-    <div style="width: 110px; height: 5px; background-color: #98FB98; border-radius: 2px; overflow: hidden;">
-        <div style="width: 100%; height: 100%; background-color: #00FF7F; animation: loading 1.5s linear infinite;"></div>
+    <div style="width: 110px; height: 5px; background-color: #333; border-radius: 2px; overflow: hidden;">
+        <div style="width: 100%; height: 100%; background: linear-gradient(90deg, #FF4500, #FFA500, #FFD700); background-size: 200% auto; animation: fireflow 1.5s linear infinite;"></div>
     </div>
 </div>
 <style>
-@keyframes loading {{
-    0% {{ transform: translateX(-100%); }}
-    100% {{ transform: translateX(100%); }}
+@keyframes fireflow {{
+    from {{ background-position: 200% center; }}
+    to {{ background-position: -200% center; }}
 }}
 </style>
     '''