Update ui_manager.py

ui_manager.py

@@ -245,11 +245,24 @@ class UIManager:
 
         css = CSSStyles.get_main_css()
 
-        with gr.Blocks(
-            css=css,
-            title="SceneWeaver - AI Background Generator",
-            theme=gr.themes.Soft()
-        ) as interface:
+        # Gradio 4.x/5.x compatible initialization
+        blocks_kwargs = {
+            "title": "SceneWeaver - AI Background Generator",
+            "theme": gr.themes.Soft()
+        }
+
+        # Check Gradio version for css parameter compatibility
+        gradio_version = gr.__version__
+        major_version = int(gradio_version.split('.')[0])
+
+        if major_version >= 5:
+            # Gradio 5.x: use head parameter for CSS injection
+            blocks_kwargs["head"] = f"<style>{css}</style>"
+        else:
+            # Gradio 4.x: use css parameter directly
+            blocks_kwargs["css"] = css
+
+        with gr.Blocks(**blocks_kwargs) as interface:
 
             # Header
             gr.HTML("""
@@ -510,4 +523,4 @@ class UIManager:
             favicon_path=None,
             ssl_verify=False,
             quiet=False
-        )
+        )