Emit the logo overlay CSS for a theme (org-theming Phase 4). Logos are variant
uploads, never recolored (16.6): dark mode swaps artwork via a mode-specific
block, and when only one variant exists we emit a light --mj-logo-plate-bg in
dark mode so the single mark stays legible on a plate (no filter transforms).
Returns CSS scoped to [data-theme-overlay="<id>"] (+ a dark companion block);
append it to the color overlay so one Blob carries the whole brand.
Emit the logo overlay CSS for a theme (org-theming Phase 4). Logos are variant uploads, never recolored (16.6): dark mode swaps artwork via a mode-specific block, and when only one variant exists we emit a light
--mj-logo-plate-bgin dark mode so the single mark stays legible on a plate (no filter transforms).Returns CSS scoped to
[data-theme-overlay="<id>"](+ a dark companion block); append it to the color overlay so one Blob carries the whole brand.