Lovable Prompt Creator - AI Prompt Generator

## APPLICATION OVERVIEW
OneCart is a high-end, multi-vendor marketplace web application that seamlessly combines physical goods, auctions, and professional services into a unified commerce platform. Designed with a premium minimalist aesthetic, it offers users an intuitive experience for buying, selling, and booking services, all while maintaining a focus on simplicity and elegance.

## CORE FEATURES
1. **Unified Authentication**: A single sign-on flow allowing users to choose their persona—Buyer, Seller, or Service Provider—with a hybrid option in settings.
2. **Seller Dashboard**: A comprehensive dashboard featuring subscription management with tier options, ad management for featured listings, and performance analytics.
3. **Unified Search Functionality**: A powerful search bar with neural filters for categorizing products and services, enhancing discoverability.
4. **Interactive Product Pages**: Dynamic product pages tailored for electronics with tech specs and a 3D model viewer, while services include a calendar/booking widget.
5. **Biometric Checkout (OnePay)**: A streamlined, one-page checkout process supporting multiple payment options, including a visual installment plan for "Buy Now, Pay Later."
6. **Transaction Transparency**: An escrow system with a transaction status bar and an eco/trust badge on product cards, promoting transparency and trust in the marketplace.

## 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**: A clean grid system that organizes core features prominently, with a hero section at the top, followed by a showcase of products, a seller dashboard overview, and a call-to-action for user sign-ups.

## TECHNICAL REQUIREMENTS
- **Framework**: React with TypeScript
- **Styling**: Tailwind CSS
- **UI Components**: shadcn/ui
- **State Management**: Global cart state management to handle both physical items and service bookings simultaneously.

## IMPLEMENTATION STEPS
1. **Set Up Project**: Initialize a new React project using TypeScript and integrate Tailwind CSS for styling.
2. **Design the Layout**: Implement the main layout structure using Tailwind's grid system, ensuring responsiveness across devices.
3. **Build Authentication Flow**: Create user roles and a unified authentication system, including the front-end forms and back-end integration.
4. **Develop Core Features**: 
   - Implement the seller dashboard with subscription management.
   - Create the unified search functionality with neural filters.
   - Develop interactive product pages with the specified components.
5. **Integrate Payment Systems**: Set up the biometric checkout flow with OnePay, ensuring multi-payment options are functional.
6. **Test Escrow Functionality**: Code the transaction transparency features, including the escrow system and eco/trust badge.
7. **User Testing & Feedback**: Conduct user testing sessions to gather feedback on the interface and functionality, making necessary adjustments.

## USER EXPERIENCE
Key user interactions include a seamless registration and login process, easy navigation through the unified search, a clear pathway to view and manage products or services, and an intuitive checkout experience. Users will appreciate the minimal distractions in the UI, allowing them to focus on their transactions or listings, all while feeling assured of security and transparency through the OneSecure system. The overall flow is designed to convert visitors into active users with compelling calls to action and engaging product showcases.