/* ===================================================================== SEASONAL THEME REGISTRY --------------------------------------------------------------------- Every seasonal color theme lives here as one scoped block: html[data-season=""] { ...token overrides + any fixes... } The active theme is chosen ONLY from the admin "Seasonal theme" dropdown (stored in D1, read by site/shared/season.js, which sets ). There is NO automatic date-based switching. Default (no attribute) = brand colors. To add a holiday: add a VALID_SEASONS id in admin/src/worker.js, a block below, and an