CSS

Create an interactive Sudoku game using HTML5, CSS3, and JavaScript. Build a clean, accessible game board with intuitive controls. Implement difficulty levels with appropriate puzzle generation algorithms. Add hint system with multiple levels of assistance. Include note-taking functionality for candidate numbers. Implement timer with pause and resume. Add error checking with optional immediate feedback. Include game saving and loading with multiple slots. Create statistics tracking for wins, times, and difficulty levels. Add printable puzzle generation. Implement keyboard controls and accessibility features.

Develop a feature-rich chess game using HTML5, CSS3, and JavaScript. Create a realistic chessboard with proper piece rendering. Implement standard chess rules with move validation. Add move highlighting and piece movement animation. Include game clock with multiple time control options. Implement notation recording with PGN export. Add game analysis with move evaluation. Include AI opponent with adjustable difficulty levels. Support online play with WebRTC or WebSocket. Add opening book and common patterns recognition. Implement tournament mode with brackets and scoring.

Build a URL shortening service frontend using HTML5, CSS3, JavaScript and a backend API. Create a clean interface with prominent input field. Implement URL validation and sanitization. Add QR code generation for shortened URLs. Include click tracking and analytics dashboard. Support custom alias creation for URLs. Implement expiration date setting for links. Add password protection option for sensitive URLs. Include copy-to-clipboard functionality with confirmation. Create a responsive design for all devices. Add history of shortened URLs with search and filtering.

Build an interactive typing speed test using HTML5, CSS3, and JavaScript. Create a clean interface with text display and input area. Implement WPM and accuracy calculation in real-time. Add difficulty levels with appropriate text selection. Include error highlighting and correction tracking. Implement test history with performance graphs. Add custom test creation with text import. Include virtual keyboard display showing keypresses. Support multiple languages and keyboard layouts. Create a responsive design for all devices. Add competition mode with leaderboards.

Develop a memory matching card game using HTML5, CSS3, and JavaScript. Create visually appealing card designs with flip animations. Implement difficulty levels with varying grid sizes and card counts. Add timer and move counter for scoring. Include sound effects for card flips and matches. Implement leaderboard with score persistence. Add theme selection with different card designs. Include multiplayer mode for competitive play. Create responsive layout that adapts to screen size. Add accessibility features for keyboard navigation. Implement progressive difficulty increase during gameplay.

Create an exciting 3D racing game using Three.js and JavaScript. Implement realistic vehicle physics with suspension, tire friction, and aerodynamics. Create detailed car models with customizable paint and upgrades. Design multiple race tracks with varying terrain and obstacles. Add AI opponents with different difficulty levels and racing behaviors. Implement a split-screen multiplayer mode for local racing. Include a comprehensive HUD showing speed, lap times, position, and minimap. Create particle effects for tire smoke, engine effects, and weather. Add dynamic day/night cycle with realistic lighting. Implement race modes including time trial, championship, and elimination. Include replay system with multiple camera angles.

Develop a first-person shooter game using Three.js and JavaScript. Create detailed weapon models with realistic animations and effects. Implement precise hit detection and damage systems. Design multiple game levels with various environments and objectives. Add AI enemies with pathfinding and combat behaviors. Create particle effects for muzzle flashes, impacts, and explosions. Implement multiplayer mode with team-based objectives. Include weapon pickup and inventory system. Add sound effects for weapons, footsteps, and environment. Create detailed scoring and statistics tracking. Implement replay system for kill cams and match highlights.

Build an immersive 3D space exploration game using Three.js and JavaScript. Create a vast universe with procedurally generated planets, stars, and nebulae. Implement realistic spacecraft controls with Newtonian physics. Add detailed planet surfaces with terrain generation and atmospheric effects. Create space stations and outposts for trading and missions. Implement resource collection and cargo management systems. Add alien species with unique behaviors and interactions. Create wormhole travel effects between star systems. Include detailed ship customization and upgrade system. Implement mining and combat mechanics with weapon effects. Add mission system with story elements and objectives.

Act as a Frontend Developer. You are tasked with creating the front-end for Xiaomi's self-service management system. Your responsibilities include:

- Designing a user-friendly interface using HTML5, CSS3, and JavaScript.
- Ensuring compatibility with various devices and screen sizes.
- Implementing interactive elements to enhance user engagement.
- Integrating with backend services to fetch and display data dynamically.
- Conducting thorough testing to ensure a seamless user experience.

Rules:
- Follow Xiaomi's design guidelines and branding.
- Ensure high performance and responsiveness.
- Maintain clean and well-documented code.

Variables:
- Bootstrap - The CSS framework to use
- apiEndpoint - The backend API endpoint
- #FF6700 - Primary theme color for the system

Example:
- Create a dashboard interface with user login functionality and data visualization features.

Act as a Frontend Developer. You are tasked with designing a sidebar dashboard interface that is both modern and user-friendly. Your responsibilities include:

- Creating a responsive layout using HTML5 and CSS3.
- Implementing interactive elements with JavaScript for dynamic content updates.
- Ensuring the sidebar is easily navigable and accessible, with collapsible sections for different functionalities.
- Using best practices for UX/UI design to enhance user experience.

Rules:
- Maintain clean and organized code.
- Ensure cross-browser compatibility.
- Optimize for mobile and desktop views.

Act as an Electron Frontend Developer. You are an expert in building desktop applications using Electron, focusing on frontend development.

Your task is to:
- Design and implement user interfaces that are responsive and user-friendly.
- Utilize HTML, CSS, and JavaScript to create dynamic and interactive components.
- Integrate Electron APIs to enhance application functionality.

Rules:
- Follow best practices for frontend architecture.
- Ensure cross-platform compatibility for Windows, macOS, and Linux.
- Optimize performance and reduce application latency.

Use variables such as projectName, React, and feature to customize the application development process.