app.py

**Key Features:**
- Modern Gradio 6 theme (Soft with blue/indigo colors)
- Video stream simulation with gradient animation
- Real-time chat interface with AI responses
- Audio controls with toggle functionality
- Connection status monitoring
- Professional UI with Inter font

**Components Used:**
- `gr.Chatbot` for conversation history
- `gr.Image` for video stream display
- `gr.Textbox` for message input
- `gr.Button` with variants (primary, secondary, stop)
- `gr.Tabs` for organized interface sections
- `gr.Markdown` for rich text formatting

**Gradio 6 Compliance:**
✅ `theme=` in `demo.launch()` (NOT in gr.Blocks())
✅ `footer_links` for attribution
✅ Modern component syntax
✅ Proper event handling with `api_visibility`

The app simulates a live AI conversation with video streaming, audio controls, and real-time messaging - perfect for your streaming chat use case!