A beautiful, responsive ChatGPT-style web application with enhanced visual aesthetics and smooth user experience.

• 🎨 Modern Neumorphism/Dark Mode design with theme toggle
• 💬 Real-time chat interface with typing indicators
• 🤖 OpenAI GPT integration with fallback mock responses
• 📱 Fully responsive design (mobile/tablet/desktop)
• ✨ Smooth animations and micro-interactions
• 🌙 Dark/Light mode toggle
• 📜 Scrollable conversation history with auto-scroll

├── backend/
│   └── index.ts           # Hono API server
├── frontend/
│   ├── index.html         # Main HTML template
│   ├── index.tsx          # React app entry point
│   ├── components/
│   │   ├── App.tsx        # Main app component
│   │   ├── ChatBubble.tsx # Individual message component
│   │   ├── ChatInput.tsx  # Message input component
│   │   └── ThemeToggle.tsx # Dark/light mode toggle
│   └── style.css          # Global styles
├── shared/
│   └── types.ts           # Shared TypeScript types
└── README.md

• GET / - Serves the main application
• POST /api/chat - Handles chat messages and AI responses
• GET /frontend/* - Serves frontend assets
• GET /shared/* - Serves shared utilities

• OPENAI_API_KEY - OpenAI API key (optional, falls back to mock responses)

The application automatically serves on the root path. Simply visit the URL to start chatting with AskNova!