/* Docs layout + typography (docs/index.html hub + docs/rest-api/*.html) */
.docs-container {
	display: flex;
	align-items: stretch;
	margin-top: 80px;
	min-height: calc(100vh - 80px);
	overscroll-behavior-y: none;
}

.docs-main {
	flex: 1;
	padding: 3rem 4rem;
	max-width: 1100px;
	margin: 0 auto;
}

.docs-sidebar {
	width: 260px;
	background: var(--bg-light-gray);
	/* Breathing room below navbar before first L1 */
	padding: 1rem 0 2rem;
	position: sticky;
	top: 80px;
	height: calc(100vh - 80px);
	min-height: 0;
	overflow-y: auto;
	overflow-x: hidden;
	overflow-anchor: none;
	overscroll-behavior-y: none;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: none;
	-ms-overflow-style: none;
}

.docs-sidebar::-webkit-scrollbar {
	width: 0;
	height: 0;
	display: none;
}

/* No sticky L1: whole sidebar (title + links) scrolls as one column. */
.docs-sidebar .sidebar-title {
	position: relative;
	z-index: 0;
	padding: 0.7rem 2rem;
	font-weight: 700;
	font-size: 1rem;
	color: var(--text-dark);
	cursor: pointer;
	display: flex;
	justify-content: space-between;
	align-items: center;
	transition: background-color 0.2s, color 0.2s;
	background-color: var(--bg-light-gray);
	background-clip: padding-box;
	-webkit-backdrop-filter: none;
	backdrop-filter: none;
}

.docs-sidebar .sidebar-title:hover {
	background-color: #fff;
}

.docs-sidebar .sidebar-title .arrow {
	transition: transform 0.2s;
	cursor: pointer;
}

.docs-sidebar .sidebar-title.collapsed .arrow {
	transform: rotate(-90deg);
}

/* Only .docs-sidebar scrolls — nav must not create a nested scrollport (wheel → sidebar). */
.docs-sidebar nav {
	position: relative;
	z-index: 0;
	overflow: visible;
	overflow-y: visible;
	transition: max-height 0.3s ease;
}

.docs-sidebar nav:not(.collapsed) {
	max-height: 200000px;
	overflow: visible;
	overflow-y: visible;
}

.docs-sidebar nav.collapsed {
	max-height: 0;
	overflow: hidden;
	overflow-y: hidden;
}

.docs-sidebar .sidebar-nav-group {
	position: relative;
	margin: 0;
	padding: 0;
	/* Single divider between L1 blocks (collapsed or expanded) */
	border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.docs-sidebar > .sidebar-nav-group:last-of-type {
	border-bottom: none;
}

.docs-sidebar nav a {
	display: block;
	padding: 0.7rem 2rem 0.7rem 3rem;
	color: var(--text-gray);
	text-decoration: none;
	font-size: 0.9rem;
	transition: background 0.2s, color 0.2s, border-color 0.2s;
	border-left: 3px solid transparent;
	box-sizing: border-box;
	scroll-margin-block: 0;
	overflow-anchor: none;
}

.docs-sidebar nav a.level-3 {
	padding-left: 4rem;
	font-size: 0.85rem;
}

.docs-sidebar nav a:hover,
.docs-sidebar nav a.active {
	background: white;
	color: var(--gradient-purple-start);
	border-left-color: var(--gradient-purple-start);
}

.docs-main h1 {
	font-size: 2.5rem;
	color: var(--text-dark);
	margin-bottom: 1rem;
}

.docs-main h2 {
	font-size: 1.8rem;
	color: var(--text-dark);
	margin: 2.5rem 0 1rem;
	padding-bottom: 0.5rem;
	border-bottom: 2px solid var(--bg-light-gray);
}

.docs-main h3 {
	font-size: 1.3rem;
	color: var(--text-dark);
	margin: 1.5rem 0 0.8rem;
}

.docs-main p {
	line-height: 1.8;
	margin-bottom: 1rem;
	color: var(--text-gray);
}

.docs-main code {
	background: #f3f0f7;
	padding: 0.15rem 0.5rem;
	border-radius: 6px;
	font-family: "Menlo", "Monaco", "Courier New", monospace;
	font-size: 0.88rem;
	color: #0d0d0d;
	font-weight: 500;
	border: 1px solid rgba(157, 78, 221, 0.22);
}

.docs-main pre {
	background: #f7f9fc;
	color: #1f2329;
	padding: 1.8rem;
	border-radius: 8px;
	overflow-x: auto;
	margin: 1.5rem 0;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
	position: relative;
	line-height: 1.7;
	border: 1px solid #e3e8ef;
}

.docs-main pre::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 38px;
	background: transparent;
	border-radius: 8px 8px 0 0;
	pointer-events: none;
}

.docs-main pre code {
	background: none;
	color: #1f2329;
	padding: 0;
	border: none;
	font-size: 0.9rem;
	display: block;
}

.code-block-wrapper {
	position: relative;
}

.copy-btn {
	position: absolute;
	top: 12px;
	right: 12px;
	background: #fff;
	border: 1px solid #e3e8ef;
	color: #424242;
	padding: 6px 12px;
	border-radius: 6px;
	cursor: pointer;
	font-size: 0.8rem;
	transition: all 0.2s;
	font-weight: 500;
}

.copy-btn:hover {
	background: #f2f3f5;
	border-color: #c9cdd4;
}

.copy-btn.copied {
	background: #e8f5e9;
	border-color: #1b5e20;
	color: #0d3d0d;
}

.docs-main table {
	width: 100%;
	border-collapse: collapse;
	margin: 1.5rem 0;
	border: 1px solid rgba(0, 0, 0, 0.14);
}

.docs-main table th,
.docs-main table td {
	padding: 0.8rem;
	text-align: left;
	border: 1px solid rgba(0, 0, 0, 0.14);
}

.docs-main table th {
	background: var(--bg-light-gray);
	font-weight: 600;
	color: var(--text-dark);
}

.navbar .nav-menu a.active {
	color: var(--gradient-purple-start);
}

.sdk-download-container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 1.5rem;
	margin: 2rem 0;
}

.sdk-card {
	background: white;
	border: 2px solid #e3e8ef;
	border-radius: 12px;
	padding: 2rem;
	text-decoration: none;
	transition: all 0.3s;
	display: flex;
	flex-direction: column;
	gap: 0.8rem;
}

.sdk-card:hover {
	border-color: var(--gradient-purple-start);
	box-shadow: 0 4px 12px rgba(157, 78, 221, 0.15);
	transform: translateY(-2px);
}

.sdk-card-title {
	font-size: 1.2rem;
	font-weight: 700;
	color: var(--text-dark);
}

.sdk-card-desc {
	font-size: 0.9rem;
	color: var(--text-gray);
	line-height: 1.6;
}

.sdk-card-link {
	font-size: 0.85rem;
	color: var(--gradient-purple-start);
	font-weight: 600;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.sdk-card-link::after {
	content: "→";
	transition: transform 0.2s;
}

.sdk-card:hover .sdk-card-link::after {
	transform: translateX(4px);
}

/* docs/index.html — iframe area for embedded rest-api fragments */
.docs-hub-iframe-wrap {
	flex: 1;
	min-width: 0;
	background: white;
	overscroll-behavior-y: none;
}

/* Hub iframe document: no rubber-band; fragment #overview targets top of main. */
html.in-iframe {
	overscroll-behavior-y: none;
}

html.in-iframe body {
	overscroll-behavior-y: none;
}

.in-iframe main.docs-main {
	position: relative;
}

.in-iframe main.docs-main > .docs-hash-anchor {
	display: block;
	height: 0;
	margin: 0;
	padding: 0;
	overflow: hidden;
	line-height: 0;
	font-size: 0;
}

.docs-api-frame {
	width: 100%;
	min-height: calc(100vh - 80px);
	border: 0;
	display: block;
}

/* rest-api fragment: link back to docs hub when opened in a new tab */
.docs-embed-open-hub {
	margin: 0;
	padding: 0.65rem 1rem;
	font-size: 0.9rem;
	background: rgba(0, 0, 0, 0.04);
	border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.docs-embed-open-hub a {
	color: var(--text-dark);
	font-weight: 600;
}

.in-iframe .docs-embed-open-hub {
	display: none;
}

.docs-embed-main {
	padding-top: 1.5rem;
}

@media (max-width: 768px) {
	.docs-sidebar {
		display: none;
	}

	.docs-main {
		padding: 2rem 1.5rem;
	}

}