# QA: Chat Customization (CSS) — PydanticAI ## Prerequisites - Demo is deployed and accessible - Agent backend is healthy (check /api/health) ## Test Steps ### 1. Basic Functionality - [ ] Navigate to the chat-customization-css demo page - [ ] Verify the chat is wrapped in `.chat-css-demo-scope` - [ ] Verify the background is warm cream (#fff8f0) - [ ] Verify the chat input uses a dashed pink border ### 2. Chat Interaction - [ ] Send a message - [ ] Verify the user message bubble is hot pink with bold white serif text - [ ] Verify the assistant message bubble is amber with dark monospace text - [ ] Verify markdown content inherits the themed fonts and colors ### 3. Error Handling - [ ] Verify no CSS leaks outside `.chat-css-demo-scope` - [ ] Verify no console errors during normal usage ## Expected Results - All visual overrides scoped to the demo - Agent responds within 10 seconds - No layout breakage from custom CSS