New features

• Styling for headings inside callouts
• Compatibility and styling for List Callouts plugin

Fixes

• Editing mode toggle FAB now works for all languages
• Nav-actions on mobile are now unaffected by PC styling
• Removed extra property key input shadow in properties
• Fixed missing styling for textarea elements

Codebase changes

• Refactored light mode to use OKLCH relative colors, similar to dark mode