Admin Tool: Add ability to switch to light mode

Feature Request

Summary

Add the ability to switch to light mode in the Admin tool.

Description

Currently, the Admin tool does not provide an option to toggle between dark mode and light mode. Users should be able to switch to a light mode theme for better readability and personal preference.

Use Case

• Users working in bright environments may prefer a light mode interface
• Accessibility: some users find light mode easier to read
• Consistency with other tools that offer theme switching

Proposed Solution

Add a light mode toggle/setting within the Admin tool that allows users to switch between dark and light themes.

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