# ChemFYI Embed Widget

> Periodic table, elements, compounds. Embeddable widgets for any website. Zero dependencies, Shadow DOM isolation.

## Quick Start

```html
<script src="https://cdn.jsdelivr.net/npm/chemfyi-embed@1/dist/embed.min.js"></script>
<div data-chemfyi="element-card" data-slug="example"></div>
```

## Available Widget Types (8)

- entity: `data-chemfyi="entity"`
- glossary: `data-chemfyi="glossary"`
- guide: `data-chemfyi="guide"`
- compare: `data-chemfyi="compare"`
- search: `data-chemfyi="search"`
- element-card (interactive): `data-chemfyi="element-card"`
- formula-renderer (interactive): `data-chemfyi="formula-renderer"`
- phase-badge (interactive): `data-chemfyi="phase-badge"`

## Customization

- **Themes**: light, dark, sepia, auto (follows system preference)
- **Sizes**: compact (280px), default (420px), large (720px)
- **Styles**: modern, classic

```html
<div data-chemfyi="element-card" data-slug="example"
     data-theme="auto" data-size="compact" data-style-variant="modern"></div>
```

## Integration Methods

1. **Script tag** (recommended): `<script src="https://cdn.jsdelivr.net/npm/chemfyi-embed@1/dist/embed.min.js"></script>`
2. **iframe**: `https://chemfyi.com/iframe/entity/{slug}/`
3. **oEmbed**: `https://chemfyi.com/oembed?url={page_url}&format=json`
4. **Badge**: `https://chemfyi.com/badge/site.svg`

## Links

- Main site: https://chemfyi.com
- Widget docs: https://widget.chemfyi.com
- API documentation: https://chemfyi.com/developers/
- npm package: https://www.npmjs.com/package/chemfyi-embed
- GitHub: https://github.com/fyipedia/chemfyi-embed

## Science FYI Widget Network

- [AlloyFYI Widget](https://widget.alloyfyi.com)
- [GemFYI Widget](https://widget.gemfyi.com)
- [StarFYI Widget](https://widget.starfyi.com)
- [MineralFYI Widget](https://widget.mineralfyi.com)

## Part of FYIPedia

Open-source developer tools ecosystem — https://fyipedia.com