/**
 * Docs shell — left navigation tree (collapsible groups, active state).
 */

.sd-nav {
	position: relative;
}

@media (min-width: 768px) {
	.sd-nav {
		padding-bottom: 60px;
	}

}

.sd-nav__list,
.sd-nav__children {
	margin: 0;
	padding: 0;
	list-style: none;
}

/* Gap between top-level project groups. */
.sd-nav__node--l0 + .sd-nav__node--l0 {
	margin-top: 12px;
}

/* Collapsed children stay hidden until their parent opens. */
.sd-nav__children {
	display: none;
}

.sd-nav__node--parent.is-open > .sd-nav__children {
	display: block;
}

/* Shared row: link, header (toggle) and static label. */
.sd-nav__link,
.sd-nav__header {
	font-family: inherit;
	font-size: 14px;
	font-weight: 400;
	line-height: 1.4;
	position: relative;
	display: flex;
	align-items: center;
	width: 100%;
	margin: 0;
	padding: 6px 12px;
	text-align: left;
	color: var(--sd-text-muted);
	border: 0;
	background: transparent;
	gap: 8px;
}

.sd-nav__link {
	text-decoration: none;
	color: var(--sd-text-muted) !important;
	border-radius: 6px;
}

.sd-nav__header {
	cursor: pointer;
}

.sd-nav__link--static {
	cursor: default;
}

.sd-nav__text {
	overflow: hidden;
	flex: 1 1 auto;
	min-width: 0;
	white-space: nowrap;
	text-overflow: ellipsis;
}

/* Section row: start-page link + expand chevron. */
.sd-nav__row {
	display: flex;
	align-items: center;
	width: 100%;
	gap: 0;
}

.sd-nav__row > .sd-nav__link {
	flex: 1 1 auto;
	min-width: 0;
}

.sd-nav__row > .sd-nav__header {
	flex: 0 0 auto;
	width: auto;
	padding-right: 8px;
	padding-left: 4px;
}

/* Indent per depth: project → sections → items → overview/endpoints → ops. */
.sd-nav__node--l1 > .sd-nav__link,
.sd-nav__node--l1 > .sd-nav__header,
.sd-nav__node--l1 > .sd-nav__row > .sd-nav__link {
	padding-left: 20px;
}

.sd-nav__node--l2 > .sd-nav__link,
.sd-nav__node--l2 > .sd-nav__header,
.sd-nav__node--l2 > .sd-nav__row > .sd-nav__link {
	padding-left: 28px;
}

.sd-nav__node--l3 > .sd-nav__link,
.sd-nav__node--l3 > .sd-nav__header,
.sd-nav__node--l3 > .sd-nav__row > .sd-nav__link {
	padding-left: 36px;
}

.sd-nav__node--l4 > .sd-nav__link,
.sd-nav__node--l4 > .sd-nav__header,
.sd-nav__node--l4 > .sd-nav__row > .sd-nav__link {
	padding-left: 44px;
}

/* Top-level project headers read larger and brighter. */
.sd-nav__node--l0 > .sd-nav__header,
.sd-nav__node--l0 > .sd-nav__link {
	font-size: 16px;
	font-weight: 500;
	line-height: 26px;
	height: 32px;
	padding-top: 0;
	padding-bottom: 0;
	color: var(--sd-text);
}

/* Hover feedback. */
.sd-nav__header:hover,
.sd-nav__link:not(.sd-nav__link--static):hover {
	color: var(--sd-text-soft);
}

.sd-nav__link:not(.sd-nav__link--static):hover {
	text-decoration: none;
	background: var(--sd-surface);
}

/* Active leaf: white text + purple bar flush to the sidebar edge. */
.sd-nav__link.is-active {
	font-weight: 600;
	color: var(--sd-accent) !important;
	background: var(--sd-nav-active-bg);
}

.sd-nav__link.is-active::before {
	position: absolute;
	top: 50%;
	left: -20px;
	width: 4px;
	height: 18px;
	content: "";
	transform: translateY(-50%);
	border-radius: 0 8px 8px 0;
	background: var(--sd-accent);
}

/* Chevron: points up when open, down when collapsed. */
.sd-nav__chevron {
	display: inline-flex;
	align-items: center;
	flex: 0 0 auto;
	justify-content: center;
	width: 20px;
	height: 20px;
	transition: transform 0.15s ease;
	transform: rotate(180deg);
	color: var(--sd-text-muted);
}

.sd-nav__node.is-open > .sd-nav__header .sd-nav__chevron {
	transform: rotate(0deg);
}