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

# Appearance

> Switch between light mode, dark mode, or your system's default theme.

AgentPost lets you choose how the interface looks. Navigate to **Settings → Appearance** to set your preferred theme.

## Theme options

| Option     | Behavior                                              |
| ---------- | ----------------------------------------------------- |
| **Light**  | Always uses the light theme                           |
| **Dark**   | Always uses the dark theme                            |
| **System** | Follows your operating system's light/dark preference |

## Set your theme

<Steps>
  <Step title="Open Appearance settings">
    Navigate to **Settings → Appearance**.
  </Step>

  <Step title="Choose a theme">
    Select **Light**, **Dark**, or **System**.
  </Step>
</Steps>

Your preference is saved automatically in a cookie, so it persists across sessions on the same browser.

<Note>
  The **System** option reads your OS-level preference. If you change your OS theme, AgentPost updates immediately without requiring any action on your part.
</Note>