Lovable Prompt Creator - AI Prompt Generator

## APPLICATION OVERVIEW
This application is a web-based CRM (Customer Relationship Management) system designed specifically for a string instrument store named Fowler. Its main purpose is to manage customer information, sales, and rental transactions efficiently, providing a seamless experience for both the store staff and customers.

## CORE FEATURES
1. **Customer Management**: Store comprehensive details of each customer, including name, surname, phone number, email, IBAN, and bank entity.
2. **Sales and Rental Management**: Track sales and rental transactions, allowing users to input and manage data such as instrument names, start and end dates of rentals, and associated details.
3. **Personalized Invoicing**: Generate customized invoices for each sale or rental, ensuring that all necessary information is included and formatted professionally.
4. **Data Storage and Retrieval**: Implement robust data storage solutions to allow easy retrieval and update of customer and transaction information.
5. **User Authentication**: Secure the application with user authentication to ensure that only authorized personnel can access sensitive customer and financial data.

## 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 to enhance readability and maintain a professional appearance.
- **Layout**: A straightforward layout with a top navigation bar for easy access to different sections (Customer Management, Sales, Rentals, Invoicing). Main content areas will be organized with clear headings and ample spacing for readability.
- **Typography**: Use a sans-serif font for clean lines and modern aesthetics, with a clear hierarchy (e.g., larger font sizes for headings and standard size for body text).

## TECHNICAL REQUIREMENTS
- **Framework**: React with TypeScript to ensure type safety and scalability.
- **Styling**: Tailwind CSS for a utility-first CSS framework that allows for quick design changes and responsiveness.
- **UI Components**: Utilize shadcn/ui for pre-built components to speed up development and maintain visual consistency.
- **State Management**: Use React Context or Redux if complex state management is needed for data handling between components.

## IMPLEMENTATION STEPS
1. **Set Up the Project**: Initialize a new React project with TypeScript and install Tailwind CSS.
2. **Create the Main Layout**: Design the main layout structure including the navigation bar and sidebar for different sections of the CRM.
3. **Develop Core Features**:
   - Implement the Customer Management section to allow adding, editing, and deleting customer information.
   - Build the Sales and Rental Management section to track instruments' transactions.
   - Create the invoicing functionality to generate and print invoices.
4. **Implement User Authentication**: Set up authentication using a library like Firebase or Auth0 to secure user access.
5. **Testing and Debugging**: Conduct thorough testing of all functionalities, ensuring that data storage and retrieval processes are working seamlessly.
6. **Optimize for Responsiveness**: Ensure the application works well on various screen sizes using Tailwind’s responsive utilities.

## USER EXPERIENCE
Key user interactions include:
- **Customer Onboarding**: Users can easily add new customers through a simple form interface, with validation for required fields.
- **Transaction Management**: Users can effortlessly create and manage sales and rentals with intuitive forms and dropdowns for selecting instruments.
- **Invoicing**: Generating invoices will be a streamlined process, where users can review the details before finalizing and printing them.
- **Navigation**: Users can quickly navigate between different sections of the application using the top navigation bar, enhancing the overall workflow.

This comprehensive prompt outlines the requirements for building a fully functional minimalist CRM web application tailored for Fowler's string instrument store.