Create a clean, modern web application that allows users to upload an image and get an AI-generated description using the Minimax API.

**Requirements:**

1. **Frontend Interface:**
   - Single page application with a clean, centered layout
   - File upload area (drag-and-drop support + click to browse)
   - Image preview after upload
   - "Generate Description" button
   - Loading state while processing
   - Display area for the AI-generated description
   - Option to upload a new image after getting results

2. **Technical Implementation:**
   - Use vanilla JavaScript, HTML, and CSS (or React if you prefer)
   - Handle image file validation (accept common formats: jpg, png, webp)
   - Convert uploaded image to base64 for API submission
   - Make POST request to Minimax API endpoint
   - Handle API responses and errors gracefully
   - Display clear error messages if something goes wrong

3. **Minimax API Integration:**
   - Endpoint: `https://api.minimax.io/v1/text/chatcompletion_v2`
   - Use model: `MiniMax-M2` 
   - Send image as base64 in the messages array
   - Prompt: "Please provide a detailed description of this image in English"
   - Handle API key securely (note: for production, this should be handled server-side)

4. **UI/UX Details:**
   - Responsive design that works on mobile and desktop
   - Professional color scheme (suggest modern blues/grays)
   - Smooth transitions and loading animations
   - Clear visual feedback for all user actions

5. **Error Handling:**
   - File size validation (max 5MB recommended)
   - File type validation
   - API error handling with user-friendly messages
   - Network error handling

Please create a complete, production-ready single HTML file with inline CSS and JavaScript that I can immediately use in a browser.