DocsGPT/docs/app/brand.css

/*
 * Navbar brand mark. The docs app has no Tailwind build of its own (Nextra
 * ships its utilities under an `x:` prefix and generates no `dark:` variants),
 * so the light/dark swap of the monochrome logo is done here. Nextra's
 * next-themes setup toggles `.dark` on <html>.
 */
.brand-logo {
  height: 28px;
  width: auto;
}

.brand-logo-dark {
  display: none;
}

html.dark .brand-logo-light {
  display: none;
}

html.dark .brand-logo-dark {
  display: block;
}