Fix: Assign theme as property to support older Gradio versions

app.py

@@ -634,14 +634,14 @@ function refresh() {
 # Build the Gradio app
 demo = gr.Blocks(
     title="Pip - Emotional AI Companion",
-    theme=gr.themes.Soft(
-        primary_hue="indigo",
-        secondary_hue="teal",
-        radius_size="lg",
-        font=["Nunito", "sans-serif"]
-    ),
     js=JS_DARK_MODE
 )
+demo.theme = gr.themes.Soft(
+    primary_hue="indigo",
+    secondary_hue="teal",
+    radius_size="lg",
+    font=["Nunito", "sans-serif"]
+)
 
 with demo:
     # Inject CSS