Lovable Prompt Creator - AI Prompt Generator

## APPLICATION OVERVIEW
This web application is designed to assist users in reviewing and correcting Excel documents. It allows users to upload their Excel files, suggest corrections, and track changes while ensuring that all modifications are confirmed by the user before implementation. The final output will include a summary suitable for incorporation into a technical note for the supervising company.

## CORE FEATURES
1. **File Upload**: Users can upload Excel documents for review.
2. **Change Suggestions**: The application analyzes the document and suggests potential corrections, prompting users for confirmation before any changes are made.
3. **Review History**: A log of all suggested changes and user confirmations, allowing users to track modifications made to the document.
4. **Summary Generation**: After corrections, a summary of changes is generated for inclusion in a technical note.
5. **User Notifications**: Alerts to inform users of new suggestions or updates regarding their document status.
6. **Responsive Design**: The application is fully responsive, ensuring usability across devices.

## DESIGN SPECIFICATIONS
- **Visual Style**: minimalist - Clean, simple design with plenty of white space, minimal color palette, and focus on typography.
- **Color Mode**: Light theme with dark text on light backgrounds.
- **Primary Color**: #1978E5 (accent for buttons, links, highlights).
- **Typography**: Use Inter from Google Fonts for headings, Inter for body text and UI elements.
- **Border Radius**: 8px (moderately rounded) for buttons, cards, and inputs.
- **Layout**: The main layout will include a header with a navigation menu, a central area for file upload and suggestions, a sidebar for review history, and a footer with contact information.

## TECHNICAL REQUIREMENTS
- **Framework**: React with TypeScript
- **Styling**: Tailwind CSS
- **UI Components**: shadcn/ui
- **State Management**: Zustand for managing the state of suggestions and user confirmations.

## IMPLEMENTATION STEPS
1. **Set Up Project**: Initialize a new React project with TypeScript and install necessary dependencies (Tailwind CSS, Zustand, shadcn/ui).
2. **Create File Upload Component**: Develop a component for users to upload Excel files.
3. **Implement Change Suggestion Logic**: Write functions to analyze the Excel document and generate suggestions for corrections.
4. **Build Notification System**: Create a component for user alerts regarding new suggestions and updates.
5. **Develop Review History Log**: Design a sidebar component to display the history of changes and confirmations.
6. **Design Summary Generation Feature**: Implement functionality to compile a summary of changes for final output.
7. **Ensure Responsive Design**: Use Tailwind CSS to ensure all components are responsive and user-friendly across devices.
8. **Testing**: Conduct thorough testing of all features to ensure reliability and usability.

## USER EXPERIENCE
Users will interact with the application primarily through the file upload interface, where they can easily drag and drop or select files. Once uploaded, users will receive suggestions for corrections, which they can review and approve or reject. The application will maintain a history of their actions, providing a clear overview of changes made. At any point, users can generate a summary report to finalize their document for submission. The minimalist design ensures that users can navigate the application effortlessly, focusing on their tasks without distraction.