/*
 * DESCRIPTION: Front-end styles for the docs presentation layer (layouts, ToC, sidebar, breadcrumbs, prev/next).
 * DESCRIPTION: Loaded only on docs routes; minimal and theme-friendly via CSS custom properties.
 */

.nemtly-docs {
	--nemtly-docs-gap: 1.5rem;
	--nemtly-docs-radius: 6px;
	--nemtly-docs-border: rgba(0, 0, 0, 0.1);
	--nemtly-docs-muted: rgba(0, 0, 0, 0.55);
	--nemtly-docs-accent: currentColor;
	--nemtly-docs-sticky-offset: 2rem;
}

/* Layout scaffolding: a sidebar layout puts nav and content side by side. */
.nemtly-docs-layout-sidebar,
.nemtly-docs-single {
	display: grid;
	gap: var(--nemtly-docs-gap);
}

@media (min-width: 782px) {
	.nemtly-docs-layout-sidebar,
	.nemtly-docs-single.has-sidebar {
		grid-template-columns: minmax(0, 16rem) minmax(0, 1fr);
		align-items: start;
	}

	/* Only the main column when neither aside is present. */
	.nemtly-docs-single.has-toc:not(.has-sidebar) {
		grid-template-columns: minmax(0, 1fr) minmax(0, 14rem);
	}

	.nemtly-docs-single.has-sidebar.has-toc {
		grid-template-columns: minmax(0, 16rem) minmax(0, 1fr) minmax(0, 14rem);
	}
}

/* Breadcrumbs. */
.nemtly-docs-breadcrumb-list {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.4rem;
	margin: 0 0 var(--nemtly-docs-gap);
	padding: 0;
	list-style: none;
	font-size: 0.875rem;
	color: var(--nemtly-docs-muted);
}

.nemtly-docs-breadcrumb-item {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
}

.nemtly-docs-breadcrumb-sep {
	color: var(--nemtly-docs-muted);
}

.nemtly-docs-breadcrumb-current {
	font-weight: 600;
}

/* Listing layouts. */
.nemtly-docs-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.nemtly-docs-list-item {
	margin: 0 0 0.75rem;
}

.nemtly-docs-list-children {
	margin: 0.5rem 0 0 1.25rem;
}

.nemtly-docs-layout-grid .nemtly-docs-list {
	display: grid;
	gap: var(--nemtly-docs-gap);
	grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
}

.nemtly-docs-layout-grid .nemtly-docs-list-item {
	margin: 0;
	padding: 1rem;
	border: 1px solid var(--nemtly-docs-border);
	border-radius: var(--nemtly-docs-radius);
}

.nemtly-docs-excerpt {
	margin: 0.25rem 0 0;
	font-size: 0.9rem;
	color: var(--nemtly-docs-muted);
}

/* Sidebar navigation tree. */
.nemtly-docs-sidebar {
	font-size: 0.925rem;
}

.nemtly-docs-sidebar-title {
	margin: 0 0 0.75rem;
	font-size: 1rem;
}

.nemtly-docs-sidebar-section {
	margin: 0 0 0.75rem;
}

.nemtly-docs-sidebar-toggle {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 0.25rem 0;
	background: none;
	border: 0;
	font: inherit;
	font-weight: 600;
	text-align: left;
	cursor: pointer;
	color: inherit;
}

.nemtly-docs-sidebar-section-link {
	color: inherit;
	text-decoration: none;
}

.nemtly-docs-sidebar-toggle::after {
	content: "";
	width: 0.5rem;
	height: 0.5rem;
	margin-left: 0.5rem;
	border-right: 2px solid currentColor;
	border-bottom: 2px solid currentColor;
	transform: rotate(45deg);
	transition: transform 0.15s ease;
}

.nemtly-docs-sidebar-toggle[aria-expanded="false"]::after {
	transform: rotate(-45deg);
}

.nemtly-docs-sidebar-section-body[hidden] {
	display: none;
}

.nemtly-docs-tree-list {
	list-style: none;
	margin: 0.25rem 0;
	padding: 0;
}

.nemtly-docs-tree-list .nemtly-docs-tree-list {
	margin-left: 1rem;
}

.nemtly-docs-tree-item > a {
	display: block;
	padding: 0.2rem 0;
	text-decoration: none;
}

.nemtly-docs-tree-item.is-current > a {
	font-weight: 700;
}

/* Table of contents. */
.nemtly-docs-toc-title {
	margin: 0 0 0.5rem;
	font-size: 0.8rem;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--nemtly-docs-muted);
}

.nemtly-docs-toc-list {
	list-style: none;
	margin: 0;
	padding: 0;
	font-size: 0.9rem;
}

.nemtly-docs-toc-item > a {
	display: block;
	padding: 0.2rem 0;
	text-decoration: none;
	color: var(--nemtly-docs-muted);
}

.nemtly-docs-toc-item.is-active > a {
	color: var(--nemtly-docs-accent);
	font-weight: 600;
}

.nemtly-docs-toc-level-1 {
	padding-left: 0.75rem;
}

.nemtly-docs-toc-level-2 {
	padding-left: 1.5rem;
}

@media (min-width: 782px) {
	.nemtly-docs-toc.is-sticky {
		position: sticky;
		top: var(--nemtly-docs-sticky-offset);
		max-height: calc(100vh - var(--nemtly-docs-sticky-offset) * 2);
		overflow-y: auto;
	}
}

/* Heading anchor offset so in-page jumps clear sticky elements. */
.nemtly-docs-content :is(h2, h3, h4)[id] {
	scroll-margin-top: var(--nemtly-docs-sticky-offset);
}

html {
	scroll-behavior: smooth;
}

/* Prev / next. */
.nemtly-docs-prev-next {
	display: flex;
	flex-wrap: wrap;
	gap: var(--nemtly-docs-gap);
	justify-content: space-between;
	margin-top: calc(var(--nemtly-docs-gap) * 2);
	padding-top: var(--nemtly-docs-gap);
	border-top: 1px solid var(--nemtly-docs-border);
}

.nemtly-docs-prev-next a {
	display: flex;
	flex-direction: column;
	flex: 1 1 12rem;
	padding: 0.75rem 1rem;
	border: 1px solid var(--nemtly-docs-border);
	border-radius: var(--nemtly-docs-radius);
	text-decoration: none;
}

.nemtly-docs-next {
	text-align: right;
}

.nemtly-docs-prev-next-label {
	font-size: 0.8rem;
	color: var(--nemtly-docs-muted);
}

.nemtly-docs-prev-next-title {
	font-weight: 600;
}

/* Live search form + results. */
.nemtly-docs-search {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	align-items: center;
	margin: 0 0 0.75rem;
}

.nemtly-docs-search-input {
	flex: 1 1 16rem;
	min-width: 0;
	padding: 0.5rem 0.75rem;
	border: 1px solid var(--nemtly-docs-border);
	border-radius: var(--nemtly-docs-radius);
	font: inherit;
}

.nemtly-docs-search-submit {
	padding: 0.5rem 1rem;
	border: 1px solid var(--nemtly-docs-border);
	border-radius: var(--nemtly-docs-radius);
	background: none;
	font: inherit;
	cursor: pointer;
}

.nemtly-docs-search-results {
	margin-top: 0.5rem;
}

.nemtly-docs-search-results-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.nemtly-docs-search-result {
	margin: 0 0 0.5rem;
	padding: 0.5rem 0.75rem;
	border: 1px solid var(--nemtly-docs-border);
	border-radius: var(--nemtly-docs-radius);
}

.nemtly-docs-search-status {
	margin: 0;
	font-size: 0.9rem;
	color: var(--nemtly-docs-muted);
}

.nemtly-docs-search-no-results {
	font-style: italic;
}

.nemtly-docs-search-browse {
	display: inline-block;
	margin-top: 0.5rem;
	font-size: 0.9rem;
}

/* Popular / suggested articles. */
.nemtly-docs-popular {
	margin-top: calc(var(--nemtly-docs-gap) * 2);
	padding-top: var(--nemtly-docs-gap);
	border-top: 1px solid var(--nemtly-docs-border);
}

.nemtly-docs-popular-title {
	margin: 0 0 0.75rem;
	font-size: 1rem;
}

.nemtly-docs-popular-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 0.5rem;
	grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
}

.nemtly-docs-popular-item {
	padding: 0.5rem 0.75rem;
	border: 1px solid var(--nemtly-docs-border);
	border-radius: var(--nemtly-docs-radius);
}

/* Feedback widget — "was this helpful?" */
.nemtly-docs-feedback {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem 0.75rem;
	margin-top: calc(var(--nemtly-docs-gap) * 2);
	padding-top: var(--nemtly-docs-gap);
	border-top: 1px solid var(--nemtly-docs-border);
	font-size: 0.9rem;
}

.nemtly-docs-feedback-label {
	font-weight: 600;
}

.nemtly-docs-feedback-buttons {
	display: inline-flex;
	gap: 0.4rem;
}

.nemtly-docs-feedback-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	padding: 0;
	cursor: pointer;
	color: var(--nemtly-docs-muted);
	background: transparent;
	border: 1px solid var(--nemtly-docs-border);
	border-radius: var(--nemtly-docs-radius);
	transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.nemtly-docs-feedback-btn:hover,
.nemtly-docs-feedback-btn:focus-visible {
	color: var(--nemtly-docs-accent);
	border-color: var(--nemtly-docs-accent);
}

.nemtly-docs-feedback-btn:focus-visible {
	outline: 2px solid var(--nemtly-docs-accent);
	outline-offset: 2px;
}

.nemtly-docs-feedback-btn.is-selected {
	color: #fff;
	background: var(--nemtly-docs-accent);
	border-color: var(--nemtly-docs-accent);
}

/* Thumbs rendered as CSS glyphs so the widget ships with no binary assets. */
.nemtly-docs-feedback-icon::before {
	font-size: 1rem;
	line-height: 1;
}

.nemtly-docs-feedback-up .nemtly-docs-feedback-icon::before {
	content: "\1F44D"; /* 👍 */
}

.nemtly-docs-feedback-down .nemtly-docs-feedback-icon::before {
	content: "\1F44E"; /* 👎 */
}

.nemtly-docs-feedback-thanks {
	color: var(--nemtly-docs-muted);
}

.nemtly-docs-feedback.has-error .nemtly-docs-feedback-thanks {
	color: #b32d2e;
}

.nemtly-docs-feedback.is-busy {
	opacity: 0.6;
}