.navbarItem .inner {
	background-color: var(--bg-alt);
	color: var(--fg);

	padding: 8px;
	border-radius: 8px;

	transition-property: background-color, color;
	transition-duration: .15s;

	position: relative;

	display: flex;
	gap: 8px;
	align-items: center;
}

.navbarItem {
	text-decoration: none;
	display: block;
}

.navbarItem .icon { display: inline-block; }

.navbarItem.indentLevel0 { margin-bottom: 12px; }

.navbarItem.active .inner,
.navbarItem.link:hover .inner {
	background-color: var(--fg-alt);
	color: var(--bg-alt);
}

.navbarItem.chapter .inner,
.navbarItem.pinned .inner {
	background-color: transparent;
	color: var(--fg);

	padding: 4px 0;
	overflow: visible;
}

.navbarItem.pinned .inner .title {
	margin: 0;
	font-style: italic;
	opacity: .8;
	color: var(--fg-alt)
}
.navbarItem.pinned * { cursor: default !important; }

.navbarItem .title {
	display: inline-block;
	text-overflow: ellipsis;
	overflow: hidden;
	white-space: nowrap;
}
.navbarItem.chapter .title { margin-top: 1px; }

.navbarItem.chapter .chapterChildren {
	transition-property: height;
	transition-duration: .3s;

	overflow: hidden;
}

.navbarItem.chapter.childrenCollapsed > .chapterChildren { height: 0; }
.navbarItem.chapter > .chapterChildren { height: var(--children-height); }

.navbarItem .inner,
.navbarItem .icon,
.navbarItem .icon .collapseIcon {
	height: 24px;
}

.navbarItem > div > svg { vertical-align: super; }

@media (prefers-color-scheme: light) {
	.navbarItem.active .inner,
	.navbarItem.link:hover .inner {
		background-color: var(--fg);
	}

	.navbarItem.pinned .inner .title {
		opacity: .6;
		color: var(--fg-alt);
	}
}

.mobileNav {
	width: 48px;
	text-align: center;
	line-height: 0;
}

.mobileNav .button:last-child {
	margin-bottom: 0;
}

.mobileNav .button {
	padding: 12px;
	display: inline-block !important;
	min-width: 0;
	border-radius: 24px;
	margin: 0;
	box-shadow: 0 4px 10px -2px rgba(0, 0, 0, 25%);

	width: 24px;
	height: 24px;
	position: relative;
}

.mobileNav .button > svg {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	fill: currentColor !important;
}

.mobileNav .button.small {
	padding: 6px;
	margin-bottom: 12px;

	opacity: 0;
	transition: opacity .3s;
}

.mobileNav.open .button.small {
	opacity: 1;
}

.chapterChildren > ul { padding-left: 0 !important; }
.chapterChildren ul { padding-left: 12px; }

.chapterChildren li,
.chapterChildren summary {
	margin: 4px 0;
}

.chapterChildren ul,
.chapterChildren summary {
	list-style: none;
}

.chapterChildren li,
.chapterChildren summary {
	min-height: 24px;
	padding-left: 32px;
	position: relative;
	display: flex;
	align-items: center;
}

.chapterChildren li.stub {
	padding-left: 0;
	margin: 0;
}
.chapterChildren li.stub::before {
	display: none;
}

.chapterChildren summary {
	cursor: pointer;
}

.chapterChildren li::before,
.chapterChildren summary::before {
	content: "";
	position: absolute;
	width: 24px;
	height: 24px;
	left: 0;
	top: 0;
	background-color: var(--fg);
}

.chapterChildren details > summary::before {
	transform: rotate(-90deg);
	transition-property: transform;
	transition-duration: .3s;
}
.chapterChildren details[open] > summary::before {
	transform: rotate(0deg);
}

.chapterChildren details summary::before {
	clip-path: path('M8.12 9.29L12 13.17l3.88-3.88c.39-.39 1.02-.39 1.41 0 .39.39.39 1.02 0 1.41l-4.59 4.59c-.39.39-1.02.39-1.41 0L6.7 10.7a.9959.9959 0 010-1.41c.39-.38 1.03-.39 1.42 0z');
}
.chapterChildren li::before {
	clip-path: path('M18 13H6c-.55 0-1-.45-1-1s.45-1 1-1h12c.55 0 1 .45 1 1s-.45 1-1 1z');
}

.chapterChildren a {
	color: var(--fg);
	text-decoration: none;
	user-select: none;
}