/*
//
// THEME — ai-slate (warm slate / ivory)
// ==========================================
//
// Switchable theme for index.html, selected by the nav drawer's colour-theme
// control. Activated by (set by the inline
// apply script in index.html's from localStorage). Shown to visitors
// as "AI Slate" (id "ai-slate"). The palette was lifted from the source clone
// (index-standalone-anthropic-5.html).
//
// STRATEGY — two layers:
// 1. RAMP REMAP. The whole page runs off the --colour-tw-neutral-* ramp
// (body bg in base.css, the header gradient in page-header.css). Remap
// the light end of that ramp → warm ivory/manilla and the background +
// header re-skin for free. The dark end (text) is left alone for WCAG.
// 2. ACCENTS. Everything the ramp doesn't reach — fonts, the book-cloth
// eyebrow, slate footer, cloud whispers, manilla links — as explicit
// [data-theme="ai-slate"]-scoped overrides.
//
// WIRING (already done in index.html):
// • after the bundle.
// • The DM Sans + Lora webfonts are injected by the apply script ONLY when
// this theme is active, so default visitors download nothing extra.
//
// TO ADD ANOTHER THEME: copy this file to theme-.css, swap the values,
// add a