Enlarge webcam video - bigger height, wider column

app.py

@@ -706,7 +706,7 @@ def _show_live_session(processor, remaining, start):
     """Live session using custom webcam component (no WebRTC needed)."""
 
     # Video + Results side by side
-    col_video, col_results = st.columns([1.3, 1])
+    col_video, col_results = st.columns([1.6, 1])
 
     with col_video:
         # Custom webcam component with built-in START/STOP + timer