/* ACCIDDA footer logo: swap light/dark variants based on Bootstrap 5.3
   colour mode (data-bs-theme) so pkgdown's light-switch toggles them
   correctly. The "auto" mode falls back to the OS preference via
   prefers-color-scheme. */

.accidda-footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.accidda-footer-logo {
  height: 32px;
  width: auto;
  vertical-align: middle;
}

.accidda-footer-text {
  margin-left: 0.5rem;
}

/* Default (light mode, no theme attribute): show light variant. */
.accidda-footer-logo-dark { display: none; }
.accidda-footer-logo-light { display: inline; }

/* Explicit dark mode via the light-switch. */
html[data-bs-theme="dark"] .accidda-footer-logo-light { display: none; }
html[data-bs-theme="dark"] .accidda-footer-logo-dark { display: inline; }

/* Auto mode: follow the OS preference, unless the user explicitly chose
   light via the light-switch. */
@media (prefers-color-scheme: dark) {
  html:not([data-bs-theme="light"]) .accidda-footer-logo-light { display: none; }
  html:not([data-bs-theme="light"]) .accidda-footer-logo-dark { display: inline; }
}