@layer loading {

/* MARK: LOADING (PORTED AS-IS FROM DHCP — comply-later, see SESSION-HANDOFF)
   dhcp/assets/css/loading.css dual-ring spinner ported verbatim. LEDGER item:
   reconcile with layout.css's existing single spinner
   (:root:has(article h1:empty)::before) — keep ONE. This dhcp rule keys off
   `main:not(:has(article))`, but autocss's <article> is static (always present),
   so this spinner never triggers here; the layout.css spinner is the active one.
   Kept for the as-is port; resolve in the compliance pass. Also provides the
   `fadeIn` keyframes used by forms.css. */

main {
  position: relative;
}

nav details label input[type="radio"]:checked ~ main:not(:has(article))::before,
nav details label input[type="radio"]:checked ~ main:not(:has(article))::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4rem;
  height: 4rem;
  margin-top: -2rem;
  margin-left: -2rem;
  background-color: transparent;
  border: 1rem solid rgba(102, 204, 255, 1.0);
  border-radius: 50%;
  opacity: 0;
  z-index: 1000;
  animation: fadeIn 250ms ease-in forwards;
}

nav details label input[type="radio"]:checked ~ main:not(:has(article))::before {
  border-left: 1rem solid transparent;
  border-right: 1rem solid transparent;
  animation: spin01 3000ms infinite ease alternate, fadeIn 250ms ease-in forwards;
  opacity: 1;
}

nav details label input[type="radio"]:checked ~ main:not(:has(article))::after {
  border-left: 1rem solid transparent;
  border-right: 1rem solid transparent;
  border-top: 1rem solid transparent;
  animation: spin02 4000ms infinite linear, fadeIn 250ms ease-in forwards;
  opacity: 1;
}

@keyframes spin01 {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(720deg);
  }
}

@keyframes spin02 {
  0% {
    transform: rotate(720deg);
  }

  100% {
    transform: rotate(0deg);
  }
}

@keyframes fadeIn {
  to {
    opacity: 0.3;
  }
}

} /* @layer loading */