.radio {
  --radio-size: 1em;
  --radio-bg: var(--theme-bg-1);
  --radio-border-width: 2px;
  --radio-border-color: var(--theme-bd-2);
  --radio-transition: none;
  --radio-checked-border-color: var(--theme-primary);
  --radio-checked-icon-size: 0.5em;
  --radio-checked-icon-color: var(--theme-primary);
  --radio-disabled-color-alpha: 36%;
  --radio-disabled-border-color: var(--theme-disabled);
}

.radio {
  position: relative;
  display: inline-block;
  flex: none;
  width: var(--radio-size);
  height: var(--radio-size);
  background: var(--radio-bg);
  border-width: var(--radio-border-width);
  border-color: var(--radio-border-color);
  border-radius: 9999em;
  transition: var(--radio-transition);
}

.radio::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--radio-checked-icon-size);
  height: var(--radio-checked-icon-size);
  background: var(--radio-checked-icon-color);
  border-radius: 9999em;
  translate: -50% -50%;
  transition: var(--radio-transition);
  opacity: 0;
}

.input[type="radio"] {
  position: absolute;
  opacity: 0;
  z-index: -1;
}

:where([type="radio"]:checked + *) .radio,
:where([type="radio"]:checked) + .radio {
  border-color: var(--radio-checked-border-color);
}

:where([type="radio"]:checked + *) .radio::before,
:where([type="radio"]:checked) + .radio::before {
  opacity: 1;
}

@media (hover: hover) and (pointer: fine) {
  :where([type="radio"]:focus + *) .radio,
  :where([type="radio"]:focus) + .radio {
    outline: auto;
    outline: auto -webkit-focus-ring-color;
  }
}

/* prettier-ignore */
:where([type="radio"]:is([disabled], [aria-disabled="true"], .is-disabled) + *) .radio,
:where([type="radio"]:is([disabled], [aria-disabled="true"], .is-disabled)) + .radio {
  border-color: var(--radio-disabled-border-color);
}

/* prettier-ignore */
:where([type="radio"]:checked:is([disabled], [aria-disabled="true"], .is-disabled) + *) .radio::before,
:where([type="radio"]:checked:is([disabled], [aria-disabled="true"], .is-disabled)) + .radio::before {
  background: var(--radio-disabled-border-color);
}