Orbitarium Design is a source-available CSS design system in a single file (~90KB, 0 dependencies). Extracted from WebOrbiton's product stack (MevaSearch, FlatlyPage, Publisium), it requires zero build steps, PostCSS, or Tailwind config. • One primary token re-themes all 38 color tones via CSS color-mix() • orb- namespaced (zero collisions) • Raised components, accessible modals, toasts & shells