/* ───────────────────────────────────────────────────────────────────────── sp-ux.css — SitePath UX layer v1: floating glass nav + ⌘K command palette. Self-contained, additive, opt-in: pages adopt it with exactly and nothing else. It ENHANCES the site-chrome.js injected header (#siteNav > nav.site-nav) without touching its markup. Specificity note: site-chrome.js appends its