added sketch s theme

demo/space.py

@@ -7,18 +7,12 @@ from space_backend import (
     process_video_standard,  # your existing processing functions
 )
 
-ROOT = Path(__file__).parent
-CSS_PATH = ROOT / "css.css"
-
-# Modern orange theme (light-first, dark adaptive)
-THEME = gr.themes.Default(primary_hue="orange", secondary_hue="gray")
 
 def create_unified_demo() -> gr.Blocks:
     """Modernised UI using latest Gradio layout primitives."""
     with gr.Blocks(
         title="Laban Movement Analysis – Complete Suite",
-        css=str(CSS_PATH),
-        theme=THEME,
+        theme='gstaff/sketch',
         fill_width=True,        # use full viewport width
     ) as demo: