# Panda CSS Documentation for LLMs > Panda CSS is a CSS-in-JS framework with build-time optimizations for styling web applications ## Documentation Sets This index provides links to documentation organized by topic. Each link contains the full text content for that section, making it easy for LLMs to understand specific aspects of Panda CSS. - [Complete documentation](https://panda-css.com/llms-full.txt): The complete Panda CSS documentation including all concepts, utilities, and guides - [Overview](https://panda-css.com/llms.txt/overview): Getting started, browser support, FAQ, and why Panda CSS - [Installation](https://panda-css.com/llms.txt/installation): Framework-specific installation guides for all supported frameworks - [Concepts](https://panda-css.com/llms.txt/concepts): Core concepts including patterns, recipes, conditional styles, and responsive design - [Theming](https://panda-css.com/llms.txt/theming): Design tokens, text styles, layer styles, and animation styles - [Utilities](https://panda-css.com/llms.txt/utilities): All CSS utilities organized by category - [Customization](https://panda-css.com/llms.txt/customization): Customizing theme, utilities, patterns, and presets - [Guides](https://panda-css.com/llms.txt/guides): Practical guides for specific use cases - [Migration](https://panda-css.com/llms.txt/migration): Guides for migrating from other CSS-in-JS libraries - [References](https://panda-css.com/llms.txt/references): CLI commands and configuration reference ## Notes - The complete documentation includes all content from the official documentation - Category-specific documentation files contain only the content relevant to that topic - The content is automatically generated from the same source as the official documentation - All code examples and API references are preserved in their original format