/* ========================================================================== Accent Colour System — DevPortal ========================================================================== PHP sets data-devportal-accent on server-side from theme settings, so no JS is needed to avoid flash-of-unstyled-content. Architecture: 1. Each preset block defines three primitives: --color-brand-primary-rgb R, G, B triplet (no #) --color-brand-primary-hover-val darker hex for :hover states --color-brand-primary-active-val darker hex for :active / pressed 2. The base [data-devportal-accent] block derives every brand token from those three values so all 40+ components update automatically. 3. For custom colours, PHP (page_attachments_alter) or accent.js injects a