Lovable Prompt Creator - AI Prompt Generator

## APPLICATION OVERVIEW
This project is a web application designed for private chat between two users, focusing on privacy and user control. The application will allow users to log in, engage in private conversations, share emojis, customize themes, and back up chat history—all while ensuring that the data remains solely on the owner’s computer.

## CORE FEATURES
1. **User Authentication**: A secure login page that allows users to access their private chat.
2. **Private Chat**: A two-person chat interface that enables real-time messaging with a focus on user privacy.
3. **Emoji Sharing**: Users can share emojis during the chat to enhance communication.
4. **Theme Customization**: An option for users to change the chat theme for a personalized experience.
5. **Chat Backup**: A feature that allows users to back up their chat history securely on their local device.

## 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 consist of a header with the app title, a central chat area for message display, a text input field for composing messages, and a section for theme customization and backup options.

## TECHNICAL REQUIREMENTS
- **Framework**: React with TypeScript
- **Styling**: Tailwind CSS
- **UI Components**: shadcn/ui
- **State Management**: React's built-in state management for simplicity.

## IMPLEMENTATION STEPS
1. **Set Up Project**: Initialize a new React application with TypeScript and install Tailwind CSS and shadcn/ui.
2. **Create Authentication Flow**: Develop the login page and implement user authentication logic.
3. **Build Chat Interface**: Design the chat interface with a central message display area and input fields styled according to the design specifications.
4. **Implement Emoji Functionality**: Add a feature to support emoji sharing within the chat.
5. **Add Theme Customization**: Create options for users to select different themes for their chat experience.
6. **Develop Backup Functionality**: Implement a backup option that allows users to save their chat history to their local device.
7. **Test User Interactions**: Ensure all features work seamlessly together and provide a smooth user experience.

## USER EXPERIENCE
Users will begin by accessing the login page to authenticate their identity. Upon successful login, they will be taken to the private chat interface, where they can send messages, share emojis, and customize their chat theme. The chat history can be backed up at any time, ensuring users feel secure about their data. The minimalist design will facilitate easy navigation and a pleasant chatting experience.