- Add .hero#primary / .hero#secondary CSS variant system to template.css
- Add :nth-child() block color palette for top-a/b, bottom-a/b positions
- Add named per-module overrides (#block-highlight, #block-cta, #block-alert)
- Add all hero + block CSS variables to light/dark custom palette templates
- Add theme-test.html with full visual CSS variable reference + color test
- Add "Theme Preview" tab to admin config with embedded iframe of test sheet
- Add script.php install/update script (Joomla 5/6 compatible)
- Add sync_custom_vars.php — detects missing vars in user palettes on upgrade
- Add en-GB and en-US language strings for new admin config fields
- Update CSS_VARIABLES.md and CHANGELOG.md
- Bump version to 03.09.02
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>