/* Spinner on the pressed submit button — behaviour in public/js/submitLoading.js. */
button.is-loading,
input.is-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.85;
}

button.is-loading::before {
  content: "";
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  margin-right: 0.5em;
  vertical-align: -0.1em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: hk-submit-spin 0.7s linear infinite;
}

@keyframes hk-submit-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  button.is-loading::before {
    animation-duration: 2s;
  }
}