QA: Chat Customization (CSS) — AG2

• Navigate to /demos/chat-customization-css
• Verify scoped theme applied — .chat-css-demo-scope wrapper has hot-pink accents
• Send a message — verify user bubble is hot-pink gradient, assistant bubble is amber monospace
• Input border is dashed pink
• No theme leak to other pages

Expected Results

• All CSS overrides visible, scoped to this demo