Automata/packages/design-system/src/css/menu.scss

@use 'mixins/mixins';
@use 'mixins/utils';
@use './common/var';
@use 'common/transition';

@mixin menu-item {
	height: var.$menu-item-height;
	line-height: var.$menu-item-height;
	font-size: var.$menu-item-font-size;
	color: var.$menu-item-font-color;
	font-weight: var.$menu-item-font-weight;
	padding: 0 20px;
	list-style: none;
	cursor: pointer;
	position: relative;
	transition:
		border-color 0.3s,
		background-color 0.3s,
		color 0.3s;
	box-sizing: border-box;
	white-space: nowrap;
	border-radius: var.$menu-item-border-radius;

	i {
		color: var.$menu-item-icon-font-color;
	}

	&:hover,
	&:focus {
		outline: none;
		background-color: var.$menu-item-hover-fill;
		color: var.$menu-item-hover-font-color;

		i {
			color: var.$menu-item-hover-font-color;
		}
	}

	@include mixins.when(disabled) {
		opacity: 0.25;
		cursor: not-allowed;
		background: none !important;
	}
}

@include mixins.b(menu) {
	list-style: none;
	position: relative;
	margin: 0;
	padding-left: 0;
	background-color: var.$menu-background-color;
	@include utils.utils-clearfix;
	&.el-menu--horizontal {
		border-bottom: solid 1px #e6e6e6;
	}

	@include mixins.m(horizontal) {
		border-right: none;
		& > .el-menu-item {
			float: left;
			height: 60px;
			line-height: 60px;
			margin: 0;
			border-bottom: 2px solid transparent;
			color: var(--color-text-light);

			a,
			a:hover {
				color: inherit;
			}

			&:not(.is-disabled):hover,
			&:not(.is-disabled):focus {
				background-color: var(--color-foreground-xlight);
			}
		}
		& > .el-sub-menu {
			float: left;

			&:focus,
			&:hover {
				outline: none;
				.el-sub-menu__title {
					color: var(--color-text-dark);
				}
			}

			&.is-active {
				.el-sub-menu__title {
					border-bottom: 2px solid var(--color-primary);
					color: var(--color-text-dark);
				}
			}

			& .el-sub-menu__title {
				height: 60px;
				line-height: 60px;
				border-bottom: 2px solid transparent;
				color: var(--color-text-light);

				&:hover {
					background-color: var(--color-foreground-xlight);
				}
			}
			& .el-sub-menu__icon-arrow {
				position: static;
				vertical-align: middle;
				margin-left: 8px;
				margin-top: -3px;
			}
		}
		& .el-menu {
			& .el-menu-item,
			& .el-sub-menu__title {
				background-color: var.$color-white;
				float: none;
				height: 36px;
				line-height: 36px;
				padding: 0 10px;
				color: var(--color-text-light);
			}
			& .el-menu-item.is-active,
			& .el-sub-menu.is-active > .el-sub-menu__title {
				color: var(--color-text-dark);
			}
		}
		& .el-menu-item:not(.is-disabled):hover,
		& .el-menu-item:not(.is-disabled):focus {
			outline: none;
			color: var(--color-text-dark);
		}
		& > .el-menu-item.is-active {
			border-bottom: 2px solid var(--color-primary);
			color: var(--color-text-dark);
		}
	}
	@include mixins.m(collapse) {
		width: 64px;

		> .el-menu-item,
		> .el-sub-menu > .el-sub-menu__title {
			[class^='el-icon-'] {
				margin: 0;
				vertical-align: middle;
				width: 24px;
				text-align: center;
			}
			.el-sub-menu__icon-arrow {
				display: none;
			}
			span {
				height: 0;
				width: 0;
				overflow: hidden;
				visibility: hidden;
				display: inline-block;
			}
		}

		> .el-menu-item.is-active i {
			color: inherit;
		}

		.el-menu .el-sub-menu {
			min-width: 200px;
		}

		.el-sub-menu {
			position: relative;
			& .el-menu {
				position: absolute;
				margin-left: 5px;
				top: 0;
				left: 100%;
				z-index: 10;
				border: 1px solid var(--border-color-base);
				border-radius: var(--border-radius-small);
				box-shadow: var.$box-shadow-light;
			}

			&.is-opened {
				> .el-sub-menu__title .el-sub-menu__icon-arrow {
					transform: none;
				}
			}
		}
	}
	@include mixins.m(popup) {
		z-index: 100;
		min-width: 200px;
		border: none;
		padding: 5px 0;
		border-radius: var(--border-radius-small);
		box-shadow: var.$box-shadow-light;

		&-bottom-start {
			margin-top: 5px;
		}
		&-right-start {
			margin-left: 5px;
			margin-right: 5px;
		}
	}
}
@include mixins.b(menu-item) {
	@include menu-item;

	display: flex;
	align-items: center;

	& [class^='el-icon-'] {
		margin-right: 5px;
		width: 24px;
		text-align: center;
		font-size: 18px;
		vertical-align: middle;
	}
	@include mixins.when(active) {
		color: var.$menu-item-active-font-color;
		background-color: var.$menu-item-active-background-color;
		font-weight: var.$menu-item-active-font-weight;

		i {
			color: inherit;
		}
	}
}

@include mixins.b(sub-menu) {
	list-style: none;
	margin: 0;
	padding-left: 0;

	@include mixins.e(title) {
		@include menu-item;

		&:hover {
			background-color: var.$menu-item-hover-fill;
		}
	}
	& .el-menu {
		border: none;
	}
	& .el-menu-item {
		height: 50px;
		line-height: 50px;
		padding: 0 45px;
		min-width: 200px;
	}
	@include mixins.e(icon-arrow) {
		right: 20px;
		position: absolute;
		top: 50%;
		margin-top: -6px;
		transition: transform 0.3s;
		margin-right: 0;
		font-size: 12px;
		width: 12px;
		height: 12px;

		svg {
			width: 12px;
			height: 12px;
			position: relative;
			display: block;
			margin-top: -2px;
		}
	}
	@include mixins.when(active) {
		.el-sub-menu__title {
			border-bottom-color: var(--color-primary);
		}
	}
	@include mixins.when(opened) {
		> .el-sub-menu__title .el-sub-menu__icon-arrow {
			transform: rotateZ(180deg);
		}
	}
	@include mixins.when(disabled) {
		.el-sub-menu__title,
		.el-menu-item {
			opacity: 0.25;
			cursor: not-allowed;
			background: none !important;
		}
	}
	[class^='el-icon-'] {
		vertical-align: middle;
		margin-right: 5px;
		width: 24px;
		text-align: center;
		font-size: 18px;
	}
}

@include mixins.b(menu-item-group) {
	> ul {
		padding: 0;
	}
	@include mixins.e(title) {
		padding: 7px 0 7px 20px;
		line-height: normal;
		font-size: 12px;
		color: var(--color-text-light);
	}
}

.horizontal-collapse-transition .el-sub-menu__title .el-sub-menu__icon-arrow {
	transition: 0.2s;
	opacity: 0;
}