> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cabinspress.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ARC Theme & Branding

> Per-book visual theme overriding the general site theme.

## Who this is for

Authors customizing the ARC signup page per book.

## Overview

Per-book visual theme overriding the general site theme.

### Controls

### Palette mode

* **Preset palettes:** Default, Warm Linen, Midnight, Forest, Blush
* **Custom** — pick exact colors for: background, foreground, card, primary, accent, muted, border

### Fonts

* **System fonts:** Sans, Serif
* **Google Fonts:** 14 curated options (DM Sans, Lora, Merriweather, Playfair Display, etc.)

### Page copy

* ARC reader header (rich HTML for the page banner)
* Form description text
* Success greeting (plain text, supports `{firstName}` token)

### Accessibility

* Live WCAG contrast checks shown in the editor as authors pick colors

## **Live preview** of the signup page as authors edit.

## Next steps

[**Public ARC signup form**](/readers/public-arc-signup-form)