$sidebarWidth: 32rem;

:root {
	--header-height: 6rem;
}

.layout {
	--layout-h-padding: #{$sp-4};

	min-height: 100vh;
	display: grid;
	grid-template-columns: $sidebarWidth 1fr;
	grid-template-rows: var(--header-height) 1fr auto;
	grid-template-areas:
		"sidebar header"
		"sidebar content"
		"sidebar footer"
	;
}

.layout-header {
	height: var(--header-height);
	grid-area: header;

	display: flex;
	align-items: flex-end;
	position: sticky;
	z-index: $z-index-header;
	top: 0;
	background-color: var(--body-bg);

	&-inner {
		padding: $sp-2 var(--layout-h-padding);
		background-color: var(--main-bg);
		border-bottom: 1px solid var(--co-gray-70);
		border-radius: $border-radius-3 $border-radius-3 0 0;
	}

	.is-vhr {
		height: 4rem;
		border-left: 1px solid var(--co-gray-70);
	}
}

.layout-sidebar {
	grid-area: sidebar;
	background-color: var(--body-bg);

	&-inner {
		display: flex;
		flex-direction: column;
		position: fixed;
		top: 0;
		left: 0;
		bottom: 0;
	}

	&-header {
		position: relative;
		flex: 0 0 auto;
		display: flex;
		align-items: center;
		height: var(--header-height);
		padding: 0 var(--layout-h-padding);
		&:after {
			content:"";
			position: absolute;
			inset: auto $sp-4 0;
			border-bottom: 1px dashed var(--co-gray-70);
		}
	}

	&-body {
		flex: 1 1 auto;
		overflow-y: auto;
		width: $sidebarWidth;
		padding: var(--layout-h-padding);
		@include scrollBar();
	}
}

.layout-main {
	grid-area: content;
	min-width: 0;
	padding: var(--layout-h-padding);
	padding-top: $sp-2;
	background-color: var(--main-bg);
	border-bottom-left-radius: $border-radius-3;
	border-bottom-right-radius: $border-radius-3;
}

.layout-footer {
	position: relative;
	grid-area: footer;
	padding: $sp-3 var(--layout-h-padding);
	opacity: .8;
}

.header-sidebar-toggle {
	body:not(.layout-sidebar-open) & .ico:last-child {
		display: none;
	}
	body.layout-sidebar-open & .ico:first-child {
		display: none;
	}
}

@include mediaQ(bpMax) {
	.layout {
		grid-template-columns: 1fr;
		grid-template-areas:
			"header"
			"content"
			"footer"
		;
	}

	.layout-sidebar {
		position: fixed;
		z-index: $z-index-header + 1;
		inset: 0 0 0 auto;
		width: $sidebarWidth;
		transform: translateX(100%);
		transition: transform .3s ease-in-out;

		.layout-sidebar-open & {
			transform: translateX(0);
			box-shadow: 0 1rem 3rem rgba(0, 0, 0, .2);
		}
	}
}

@include mediaQ(smMax) {
	.layout {
		grid-template-columns: 100%;
	}
}

@include mediaQ(bp) {
	:root {
		--header-height: 8rem;
	}

	.layout {
		--layout-h-padding: #{$sp-5};
		transition: all .3s ease-in-out;
	}

	.layout-header {
		padding-right: $sp-3;
		&-inner {
			padding: 1.4rem var(--layout-h-padding);
		}
	}

	.layout-sidebar-inner {
		transform: translateX(0);
		transition: transform .3s ease-in-out;
	}

	.layout-main {
		margin-right: $sp-3;
	}

	.layout-sidebar-open {
		.layout {
			grid-template-columns: $sp-3 1fr;
		}
		.layout-sidebar-inner {
			transform: translateX(-$sidebarWidth);
		}
	}
}