CMSConnect Ultrachromic OFFLINE
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Purpose: run the complete Ultrachromic repository from a local HTTP server, with no CDN/GitHub/Google requests from the CSS.

Preserved: all original modules and files from the supplied Ultrachromic-main.zip. No CSS module was deleted.

Changed only for offline operation:
1) Preset jsDelivr imports -> relative local imports.
2) Ultrachromic background URLs -> local assets/background.png.
3) jf_font.css -> local Plus Jakarta Sans variable font.
4) saved.css legacy imports -> local legacy placeholders so the file cannot call the Internet.

IMPORTANT FONT:
The upstream Ultrachromic repository does not contain the Plus Jakarta Sans binary font. The offline package therefore includes the local font loader and a README, but the TTF itself must be placed at:
assets/fonts/PlusJakartaSans[wght].ttf

Without that TTF, the CSS remains 100% offline but falls back to Segoe UI/Arial. For visual fidelity, add the official Plus Jakarta Sans variable font under its SIL Open Font License.

TEST:
1. Put the folder on Windows Server.
2. Run tools\serve-local.bat
3. Open http://SERVER-IP:8099/presets/kaleidochromic_preset.css
4. Run tools\verify-offline.bat

Jellyfin Custom CSS:
@import url('http://SERVER-IP:8099/presets/kaleidochromic_preset.css');

For production, use IIS and optionally an internal DNS name such as theme.cmsconnect.local.