/* Reset */
.radio:where(input[type="radio"]) {
	appearance: none;
}

/* Base */
.radio {
	vertical-align: -0.3em;
	position: relative;
	min-width: var(--sui-radio-size);
	width: var(--sui-radio-size);
	height: var(--sui-radio-size);
	margin: 0;
	padding: 0;
	border: 2px solid var(--sui-color-outline-primary);
	border-radius: 50%;
	cursor: pointer;
}
.radio:where(:checked) {
	border-color: var(--sui-color-key-primary);
}

.radio::before {
	content: "";
	display: block;
	position: absolute;
	border-radius: 50%;
	top: 50%;
	left: 50%;
	translate: -50% -50%;
	width: calc(var(--sui-radio-size) * 1 / 3);
	height: calc(var(--sui-radio-size) * 1 / 3);
	background-color: var(--sui-color-key-primary);
	transition:
		width 120ms ease-out,
		height 120ms ease-out;
	opacity: 0;
}
.radio:where(:checked)::before {
	opacity: 1;
	width: calc(var(--sui-radio-size) * 3 / 5);
	height: calc(var(--sui-radio-size) * 3 / 5);
}

/* State */
.radio:where(.error) {
	border-color: var(--sui-color-error);
}
.radio:where(.error)::before {
	background-color: var(--sui-color-error);
}

.radio:where(:disabled) {
	cursor: default;
	border-color: var(--sui-color-outline-primary);
}
.radio:where(:disabled):where(:checked)::before {
	background-color: var(--sui-color-neutral-secondary);
}