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## APPLICATION OVERVIEW
RoqArt is a specialized web application designed to provide dynamic e-commerce solutions for 3D printing and modeling services. Users can browse an interactive catalog of customizable 3D models, place multi-item orders, and complete transactions seamlessly through QR code payment options. The platform connects collectors, engineers, and custom clients with high-quality 3D printing services, facilitating both local pickups and inter-city deliveries.

## CORE FEATURES
1. **Advanced Product Catalog**: Users can explore a variety of 3D models with multiple configurations, including dynamic pricing that updates based on selected materials and sizes.
2. **Order & Cart System**: A robust multi-item checkout process allows users to bundle products and custom design requests while selecting their preferred delivery method.
3. **QR Payment Integration**: Instant generation of unique QR codes for mobile payments at checkout, along with a user-friendly interface for proof of payment submissions.
4. **Custom Services Portal**: A dedicated section for users to upload 3D files or design briefs, where designers can review requests and send payment links directly to users.
5. **Real-time Order Tracking**: Users can monitor the production status of their orders, from modeling to delivery, enhancing transparency and user confidence.
6. **Automated Communication**: Integration with WhatsApp Business API for notifications when orders are ready for pickup or dispatched.

## DESIGN SPECIFICATIONS
- **Visual Style**: Minimalist - Creative, color palette for 3d printing store
- **Color Mode**: Light theme with dark text on light backgrounds.
- **Layout**: A single-page layout that organizes content into sections for the product catalog, order management, custom service portal, and order tracking, ensuring easy navigation.
- **Typography**: Use modern sans-serif fonts like 'Roboto' or 'Open Sans' for body text and headings, ensuring a clean hierarchy with larger sizes for headings and a consistent weight for body text.

## TECHNICAL REQUIREMENTS
- **Framework**: React with TypeScript
- **Styling**: Tailwind CSS
- **UI Components**: shadcn/ui for modular and reusable UI components.
- **State Management**: React Query or Redux for managing application state and API interactions.

## IMPLEMENTATION STEPS
1. **Set Up Project**: Initialize a new React project with TypeScript and install necessary dependencies such as Tailwind CSS and shadcn/ui.
2. **Design the Layout**: Create a single-page layout structure with sections for the product catalog, order system, custom services portal, and tracking.
3. **Build Product Catalog**: Develop the advanced product catalog component with variant management and dynamic pricing features.
4. **Implement Order System**: Create the order and cart functionality, including multi-item checkout and logistics options for delivery or pickup.
5. **Integrate QR Payment**: Implement QR code generation and the payment upload interface for user transaction verification.
6. **Develop Custom Services Portal**: Build the module for custom design requests, incorporating file upload functionality and a designer review system.
7. **Set Up Notifications**: Integrate WhatsApp Business API for automated order status updates.
8. **Testing and Optimization**: Conduct thorough testing for user experience and performance, ensuring responsiveness across devices.

## USER EXPERIENCE
Users will enjoy a streamlined shopping experience, starting from browsing the advanced product catalog, where they can easily toggle between different model configurations. The intuitive order system allows them to add multiple items to their cart and select their preferred delivery method. At checkout, users can seamlessly generate a QR code for payment, enhancing convenience. The custom services portal enables users to easily commission designs, while real-time tracking keeps them informed at every stage of their order processing. Automated notifications via WhatsApp further enhance user engagement and satisfaction.