n8n/packages/design-system/src/css/checkbox.scss

@use "./common/var";
@use "mixins/mixins";
@use "mixins/_button";
@use "mixins/utils";

@include mixins.b(checkbox) {
	color: var.$checkbox-font-color;
	font-size: var.$font-size-base;
	position: relative;
	cursor: pointer;
	display: inline-block;
	white-space: nowrap;
	user-select: none;
	margin-right: 30px;

	@include mixins.when(bordered) {
		padding: var.$checkbox-bordered-padding;
		border-radius: var(--border-radius-base);
		border: var(--border-base);
		box-sizing: border-box;
		line-height: normal;
		height: var.$checkbox-bordered-height;

		&.is-checked {
			border-color: var(--color-primary);
		}

		&.is-disabled {
			border-color: var(--border-color-light);
			cursor: not-allowed;
		}

		& + .el-checkbox.is-bordered {
			margin-left: 10px;
		}

		&.el-checkbox--medium {
			padding: var.$checkbox-bordered-medium-padding;
			border-radius: var.$button-medium-border-radius;
			height: var.$checkbox-bordered-medium-height;

			.el-checkbox__label {
				line-height: 17px;
				font-size: var.$button-medium-font-size;
			}

			.el-checkbox__inner {
				height: var.$checkbox-bordered-medium-input-height;
				width: var.$checkbox-bordered-medium-input-width;
			}
		}

		&.el-checkbox--small {
			padding: var.$checkbox-bordered-small-padding;
			border-radius: var.$button-small-border-radius;
			height: var.$checkbox-bordered-small-height;

			.el-checkbox__label {
				line-height: 15px;
				font-size: var.$button-small-font-size;
			}

			.el-checkbox__inner {
				height: var.$checkbox-bordered-small-input-height;
				width: var.$checkbox-bordered-small-input-width;

				&::after {
					height: 6px;
					width: 2px;
				}
			}
		}

		&.el-checkbox--mini {
			padding: var.$checkbox-bordered-mini-padding;
			border-radius: var.$button-mini-border-radius;
			height: var.$checkbox-bordered-mini-height;

			.el-checkbox__label {
				line-height: 12px;
				font-size: var.$button-mini-font-size;
			}

			.el-checkbox__inner {
				height: var.$checkbox-bordered-mini-input-height;
				width: var.$checkbox-bordered-mini-input-width;
				&::after {
					height: 6px;
					width: 2px;
				}
			}
		}
	}

	@include mixins.e(input) {
		white-space: nowrap;
		cursor: pointer;
		outline: none;
		display: inline-block;
		line-height: 1;
		position: relative;
		vertical-align: middle;

		@include mixins.when(disabled) {
			.el-checkbox__inner {
				background-color: var.$checkbox-disabled-input-fill;
				border-color: var.$checkbox-disabled-border-color;
				cursor: not-allowed;

				&::after {
					cursor: not-allowed;
					border-color: var.$checkbox-disabled-icon-color;
				}

				& + .el-checkbox__label {
					cursor: not-allowed;
				}
			}

			&.is-checked {
				.el-checkbox__inner {
					background-color: var.$checkbox-disabled-checked-input-fill;
					border-color: var.$checkbox-disabled-checked-input-border-color;

					&::after {
						border-color: var.$checkbox-disabled-checked-icon-color;
					}
				}
			}

			&.is-indeterminate {
				.el-checkbox__inner {
					background-color: var.$checkbox-disabled-checked-input-fill;
					border-color: var.$checkbox-disabled-checked-input-border-color;

					&::before {
						background-color: var.$checkbox-disabled-checked-icon-color;
						border-color: var.$checkbox-disabled-checked-icon-color;
					}
				}
			}

			& + span.el-checkbox__label {
				color: var.$disabled-color-base;
				cursor: not-allowed;
			}
		}

		@include mixins.when(checked) {
			.el-checkbox__inner {
				background-color: var.$checkbox-checked-background-color;
				border-color: var.$checkbox-checked-input-border-color;

				&::after {
					transform: rotate(45deg) scaleY(1);
				}
			}
		}
		@include mixins.when(focus) {
			/*focus时 视觉上区分*/
			.el-checkbox__inner {
				border-color: var.$checkbox-input-border-color-hover;
			}
		}
		@include mixins.when(indeterminate) {
			.el-checkbox__inner {
				background-color: var.$checkbox-checked-background-color;
				border-color: var.$checkbox-checked-input-border-color;

				&::before {
					content: '';
					position: absolute;
					display: block;
					background-color: var.$checkbox-checked-icon-color;
					height: 2px;
					transform: scale(0.5);
					left: 0;
					right: 0;
					top: 5px;
				}

				&::after {
					display: none;
				}
			}
		}
	}
	@include mixins.e(inner) {
		display: inline-block;
		position: relative;
		border: var.$checkbox-input-border;
		border-radius: var.$checkbox-border-radius;
		box-sizing: border-box;
		width: var.$checkbox-input-width;
		height: var.$checkbox-input-height;
		background-color: var.$checkbox-background-color;
		z-index: var.$index-normal;
		transition: border-color 0.25s cubic-bezier(0.71, -0.46, 0.29, 1.46),
			background-color 0.25s cubic-bezier(0.71, -0.46, 0.29, 1.46);

		&:hover {
			border-color: var.$checkbox-input-border-color-hover;
		}

		&::after {
			box-sizing: content-box;
			content: '';
			border: 1px solid var.$checkbox-checked-icon-color;
			border-left: 0;
			border-top: 0;
			height: 7px;
			left: 4px;
			position: absolute;
			top: 1px;
			transform: rotate(45deg) scaleY(0);
			width: 3px;
			transition: transform 0.15s ease-in 0.05s;
			transform-origin: center;
		}
	}

	@include mixins.e(original) {
		opacity: 0;
		outline: none;
		position: absolute;
		margin: 0;
		width: 0;
		height: 0;
		z-index: -1;
	}

	@include mixins.e(label) {
		display: inline-block;
		padding-left: 10px;
		line-height: 19px;
		font-size: var.$checkbox-font-size;
	}

	&:last-of-type {
		margin-right: 0;
	}
}

@include mixins.b(checkbox-button) {
	position: relative;
	display: inline-block;

	@include mixins.e(inner) {
		display: inline-block;
		line-height: 1;
		white-space: nowrap;
		vertical-align: middle;
		cursor: pointer;
		background: var.$button-default-background-color;
		border: var(--border-base);
		border-left: 0;
		color: var.$button-default-font-color;
		-webkit-appearance: none;
		text-align: center;
		box-sizing: border-box;
		outline: none;
		margin: 0;
		position: relative;
		transition: var.$all-transition;
		border-radius: 0;
		@include utils.utils-user-select(none);

		@include button.button-size(
			var.$button-padding-vertical,
			var.$button-padding-horizontal,
			var.$button-font-size
		);

		&:hover {
			color: var(--color-primary);
		}

		& [class*='el-icon-'] {
			line-height: 0.9;

			& + span {
				margin-left: 5px;
			}
		}
	}

	@include mixins.e(original) {
		opacity: 0;
		outline: none;
		position: absolute;
		margin: 0;
		z-index: -1;
	}

	&.is-checked {
		& .el-checkbox-button__inner {
			color: var.$checkbox-button-checked-font-color;
			background-color: var.$checkbox-button-checked-background-color;
			border-color: var.$checkbox-button-checked-border-color;
			box-shadow: -1px 0 0 0 var.$color-primary-light-4;
		}
		&:first-child .el-checkbox-button__inner {
			border-left-color: var.$checkbox-button-checked-border-color;
		}
	}

	&.is-disabled {
		& .el-checkbox-button__inner {
			color: var.$button-disabled-font-color;
			cursor: not-allowed;
			background-image: none;
			background-color: var.$button-disabled-background-color;
			border-color: var.$button-disabled-border-color;
			box-shadow: none;
		}
		&:first-child .el-checkbox-button__inner {
			border-left-color: var.$button-disabled-border-color;
		}
	}

	&:first-child {
		.el-checkbox-button__inner {
			border-left: var(--border-base);
			border-radius: var(--border-radius-base) 0 0 var(--border-radius-base);
			box-shadow: none !important;
		}
	}

	&.is-focus {
		& .el-checkbox-button__inner {
			border-color: var.$checkbox-button-checked-border-color;
		}
	}

	&:last-child {
		.el-checkbox-button__inner {
			border-radius: 0 var(--border-radius-base) var(--border-radius-base) 0;
		}
	}
	@include mixins.m(medium) {
		.el-checkbox-button__inner {
			border-radius: 0;
			@include button.button-size(
				var.$button-medium-padding-vertical,
				var.$button-medium-padding-horizontal,
				var.$button-medium-font-size
			);
		}
	}
	@include mixins.m(small) {
		.el-checkbox-button__inner {
			border-radius: 0;
			@include button.button-size(
				var.$button-small-padding-vertical,
				var.$button-small-padding-horizontal,
				var.$button-small-font-size
			);
		}
	}
	@include mixins.m(mini) {
		.el-checkbox-button__inner {
			border-radius: 0;
			@include button.button-size(
				var.$button-mini-padding-vertical,
				var.$button-mini-padding-horizontal,
				var.$button-mini-font-size
			);
		}
	}
}

@include mixins.b(checkbox-group) {
	font-size: 0;
}