/* ATC artwork: original for Dark; the sapphire monogram for Light. */
.atc-logo-frame {
  position: relative;
  display: inline-block;
  width: var(--atc-logo-size, 45px);
  height: var(--atc-logo-size, 45px);
  flex: 0 0 var(--atc-logo-size, 45px);
  padding: 0;
  border: 0;
  border-radius: 24%;
  line-height: 0;
  background: none;
  box-shadow: none;
  filter: none;
  overflow: hidden;
}
/* Keep each artwork intact, without cropping, filters or added effects. */
.brand .atc-logo-frame > img.atc-logo-art {
  position: absolute;
  left: 0;
  top: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: inherit;
  object-fit: contain;
  opacity: 1;
  background: none;
  box-shadow: none;
  filter: none;
  transform: none;
  transition: none;
}
/* Explicit website theme, including a stored preference on first load. */
html:not([data-atc-theme="light"]) .brand .atc-logo-frame > img.atc-logo-light,
html[data-atc-theme="light"] .brand .atc-logo-frame > img:not(.atc-logo-light) {
  display: none;
}
html[data-atc-theme="light"] .brand .atc-logo-frame > img.atc-logo-light {
  display: block;
}