blog/sass/_input.scss

input[type="radio"],
input[type="checkbox"],
input[type="color"] {
	position: relative;
	appearance: none;
	transition: var(--transition);
	cursor: pointer;
	border: 0.15rem solid var(--fg-muted-2);
	background-color: var(--fg-muted-1);
	width: 1rem;
	height: 1rem;

	&:hover {
		background-color: var(--fg-muted-2);
	}

	&:disabled {
		opacity: var(--disabled-opacity);
		cursor: not-allowed;

		&:hover {
			background-color: var(--fg-muted-1);
		}
	}
}

input[type="radio"],
input[type="checkbox"] {
	&::before {
		display: block;
		position: absolute;
		transform: scale(50%);
		opacity: 0;
		transition: var(--transition);
		background-color: var(--contrast-color);
		content: "";
	}

	&:checked {
		border: 0.15rem solid transparent;
		background-color: var(--accent-color);

		&:disabled {
			border: 0.15rem solid transparent;
			background-color: var(--accent-color-alpha);

			&::before {
				opacity: 0.8;
				background-color: var(--fg-color);
			}
		}

		&::before {
			transform: scale(1);
			opacity: 1;
		}
	}
}

input[type="radio"] {
	vertical-align: -0.1875em;
	border-radius: 50%;

	&::before {
		inset-block-start: 0.125rem;
		inset-inline-start: 0.125rem;
		border-radius: 50%;
		width: 0.5rem;
		height: 0.5rem;
	}
}

input[type="checkbox"] {
	vertical-align: -0.1875em;
	border-radius: calc(var(--rounded-corner-small) / 2);

	&::before {
		transform-origin: bottom left;
		mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath d='M13.754 4.668c.176-.2.262-.461.246-.723a1 1 0 0 0-.34-.687 1 1 0 0 0-.726-.246 1 1 0 0 0-.688.34L5.95 10.547 3.707 8.3A1 1 0 0 0 2 9.01a1 1 0 0 0 .293.708l3 3c.195.195.465.3.742.293.278-.012.535-.133.719-.344zm0 0'/%3E%3C/svg%3E");
		mask-size: cover;
		inset-block-start: -0.125rem;
		inset-inline-start: -0.125rem;
		width: 1rem;
		height: 1rem;
	}

	&.switch {
		vertical-align: -0.375rem;
		box-shadow: var(--edge-highlight);
		border: none;
		border-radius: 999px;
		width: 2.5rem;
		height: 1.5rem;

		&.big {
			vertical-align: -0.625rem;
			width: 3rem;
			height: 2rem;

			&::before {
				width: 1.5rem;
				height: 1.5rem;
			}
		}

		&::before {
			transform: none;
			transform-origin: center;
			opacity: 1;
			mask-image: none;
			transition: var(--transition);
			inset-block-start: 0.25rem;
			inset-inline-start: 0.25rem;
			box-shadow: var(--shadow);
			border-radius: 50%;
			background-color: white;
			width: 1rem;
			height: 1rem;
		}

		&:checked {
			background-color: var(--accent-color);

			&::before {
				transform: translateX(1rem);
				background-color: var(--contrast-color);
			}
		}

		&:disabled {
			&::before {
				box-shadow: none;
			}
		}
	}
}

input[type="color"] {
	vertical-align: -0.375em;
	box-shadow: var(--edge-highlight);
	border: none;
	border-radius: var(--rounded-corner-small);
	padding: 0.25rem;
	width: 3rem;
	height: 2rem;

	&::-moz-color-swatch {
		border: none;
		border-radius: calc(var(--rounded-corner-small) - 0.25rem);
	}

	&::-webkit-color-swatch-wrapper {
		padding: 0;
	}

	&::-webkit-color-swatch {
		border-radius: calc(var(--rounded-corner-small) - 0.25rem);
	}
}

input[type="range"] {
	appearance: none;
	transition: var(--transition);
	cursor: pointer;
	box-shadow: var(--edge-highlight);
	border-radius: 999px;
	background: var(--accent-color);
	width: 100%;
	height: 0.5rem;

	&::-webkit-slider-thumb {
		appearance: none;
		filter: brightness(0.9);
		transition: var(--transition);
		cursor: grab;
		box-shadow: var(--shadow);
		border-radius: 999px;
		background-color: white;
		width: 1.5rem;
		height: 1.5rem;

		&:active {
			transform: var(--active);
			cursor: grabbing;
		}
	}

	&::-moz-range-thumb {
		appearance: none;
		transition: var(--transition);
		cursor: grab;
		box-shadow: var(--shadow);
		border: none;
		border-radius: 999px;
		background-color: white;
		width: 1.5rem;
		height: 1.5rem;

		&:active {
			transform: var(--active);
			cursor: grabbing;
		}
	}
}