/* Library — extends landing.css */

.ld-nav__link--active {
	color: var(--ld-text);
	border-color: var(--ld-accent);
	background: rgba(201, 162, 39, 0.1);
}

.ld-main--library {
	display: block;
	width: min(1180px, 100%);
	padding-top: clamp(16px, 3vw, 32px);
	padding-bottom: clamp(24px, 4vw, 48px);
}

.lb-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 300px;
	gap: 24px;
	align-items: start;
}

.lb-layout--single {
	grid-template-columns: minmax(0, 1fr);
}

.lb-panel {
	padding: clamp(18px, 3vw, 28px);
	border-radius: var(--ld-radius);
	background: var(--ld-panel);
	border: 1px solid var(--ld-panel-border);
	box-shadow: var(--ld-shadow);
	backdrop-filter: blur(8px);
}

.lb-head {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-start;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 24px;
}

.lb-head__title {
	margin: 0;
	font-family: var(--ld-font-display);
	font-size: clamp(26px, 4vw, 34px);
	font-weight: 700;
	color: var(--ld-accent-bright);
	line-height: 1.15;
}

.lb-head__sub {
	margin: 6px 0 0;
	font-size: 14px;
	color: var(--ld-muted);
}

.lb-breadcrumb {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	margin: 0 0 20px;
	font-size: 14px;
	color: var(--ld-muted);
}

.lb-breadcrumb a {
	color: var(--ld-accent-bright);
	text-decoration: none;
}

.lb-breadcrumb a:hover {
	text-decoration: underline;
}

.lb-breadcrumb__sep {
	opacity: 0.45;
}

.lb-search {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 24px;
}

.lb-search__input {
	flex: 1 1 220px;
	min-width: 0;
	padding: 12px 14px;
	border-radius: var(--ld-radius-sm);
	border: 1px solid rgba(74, 59, 47, 0.95);
	background: rgba(15, 12, 10, 0.75);
	color: var(--ld-text);
	font: inherit;
}

.lb-search__input:focus {
	outline: none;
	border-color: var(--ld-accent);
	box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
}

.lb-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 11px 18px;
	border: 0;
	border-radius: var(--ld-radius-sm);
	font: inherit;
	font-size: 14px;
	font-weight: 700;
	cursor: pointer;
	text-decoration: none;
	transition: filter 0.15s, transform 0.15s;
}

.lb-btn--primary {
	color: #1a1410;
	background: linear-gradient(180deg, var(--ld-accent-bright) 0%, var(--ld-accent) 100%);
	box-shadow: 0 6px 18px rgba(201, 162, 39, 0.22);
}

.lb-btn--primary:hover {
	filter: brightness(1.05);
}

.lb-btn--ghost {
	color: var(--ld-text);
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid rgba(74, 59, 47, 0.85);
}

.lb-btn--ghost:hover {
	border-color: var(--ld-accent);
}

.lb-btn--danger {
	color: #ffd4d4;
	background: var(--ld-danger-bg);
	border: 1px solid rgba(212, 90, 90, 0.45);
}

.lb-alert {
	margin-bottom: 20px;
	padding: 12px 14px;
	border-radius: var(--ld-radius-sm);
	font-size: 14px;
	line-height: 1.45;
}

.lb-alert--error {
	color: #ffd4d4;
	background: var(--ld-danger-bg);
	border: 1px solid rgba(212, 90, 90, 0.45);
}

.lb-alert--info {
	color: #dce8ff;
	background: rgba(90, 130, 212, 0.12);
	border: 1px solid rgba(90, 130, 212, 0.35);
}

.lb-alert a {
	color: var(--ld-accent-bright);
}

.lb-toolbar {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 20px;
}

.lb-group {
	margin-bottom: 28px;
}

.lb-group:last-child {
	margin-bottom: 0;
}

.lb-group__title {
	margin: 0 0 14px;
	padding-bottom: 10px;
	border-bottom: 1px solid rgba(74, 59, 47, 0.65);
	font-family: var(--ld-font-display);
	font-size: 20px;
	font-weight: 700;
	color: var(--ld-accent-bright);
}

.lb-cats {
	display: grid;
	gap: 10px;
}

.lb-cat {
	display: flex;
	align-items: center;
	gap: 14px;
	padding: 14px 16px;
	border-radius: var(--ld-radius-sm);
	text-decoration: none;
	color: inherit;
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid rgba(74, 59, 47, 0.65);
	transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.lb-cat:hover {
	border-color: var(--ld-accent);
	background: rgba(201, 162, 39, 0.06);
	transform: translateY(-1px);
}

.lb-cat__icon {
	flex-shrink: 0;
	width: 42px;
	height: 42px;
	display: grid;
	place-items: center;
	border-radius: 10px;
	font-size: 18px;
	background: rgba(201, 162, 39, 0.12);
	border: 1px solid rgba(201, 162, 39, 0.22);
}

.lb-cat__title {
	font-size: 16px;
	font-weight: 700;
	color: var(--ld-text);
}

.lb-empty {
	padding: 32px 20px;
	text-align: center;
	border-radius: var(--ld-radius-sm);
	color: var(--ld-muted);
	background: rgba(255, 255, 255, 0.02);
	border: 1px dashed rgba(74, 59, 47, 0.75);
}

.lb-articles {
	display: grid;
	gap: 8px;
	margin-bottom: 24px;
}

.lb-article-link {
	display: block;
	padding: 12px 14px;
	border-radius: var(--ld-radius-sm);
	text-decoration: none;
	color: var(--ld-muted);
	background: rgba(255, 255, 255, 0.02);
	border: 1px solid rgba(74, 59, 47, 0.55);
	transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.lb-article-link:hover {
	color: var(--ld-text);
	border-color: rgba(201, 162, 39, 0.4);
	background: rgba(201, 162, 39, 0.05);
}

.lb-article-link--active {
	color: var(--ld-text);
	background: rgba(201, 162, 39, 0.12);
	border-color: rgba(201, 162, 39, 0.35);
	font-weight: 700;
}

.lb-article {
	padding: 22px 24px;
	border-radius: var(--ld-radius-sm);
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid rgba(74, 59, 47, 0.65);
}

.lb-article__title {
	margin: 0 0 18px;
	font-family: var(--ld-font-display);
	font-size: clamp(22px, 3vw, 28px);
	font-weight: 700;
	color: var(--ld-accent-bright);
	line-height: 1.2;
}

.lb-article__content {
	font-size: 15px;
	line-height: 1.7;
	color: var(--ld-text);
	word-wrap: break-word;
}

.lb-article__content img {
	max-width: 100%;
	height: auto;
}

.lb-article__content table {
	width: 100%;
	border-collapse: collapse;
}

.lb-article__content td,
.lb-article__content th {
	padding: 6px 8px;
	border: 1px solid rgba(74, 59, 47, 0.65);
}

.lb-form {
	margin-top: 8px;
	padding: 22px;
	border-radius: var(--ld-radius-sm);
	background: rgba(0, 0, 0, 0.18);
	border: 1px solid rgba(74, 59, 47, 0.75);
}

.lb-form__title {
	margin: 0 0 18px;
	font-family: var(--ld-font-display);
	font-size: 20px;
	color: var(--ld-accent-bright);
}

.lb-field {
	margin-bottom: 16px;
}

.lb-field label {
	display: block;
	margin-bottom: 8px;
	font-size: 13px;
	font-weight: 600;
	color: var(--ld-muted);
	text-transform: uppercase;
	letter-spacing: 0.03em;
}

.lb-input,
.lb-textarea {
	width: 100%;
	padding: 12px 14px;
	border-radius: var(--ld-radius-sm);
	border: 1px solid rgba(74, 59, 47, 0.95);
	background: rgba(15, 12, 10, 0.75);
	color: var(--ld-text);
	font: inherit;
}

.lb-textarea {
	min-height: 280px;
	resize: vertical;
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 13px;
	line-height: 1.55;
}

.lb-input:focus,
.lb-textarea:focus {
	outline: none;
	border-color: var(--ld-accent);
	box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
}

.lb-form__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.lb-sidebar {
	position: sticky;
	top: calc(var(--ld-header-h) + 16px);
}

.lb-sidebar__title {
	margin: 0 0 14px;
	font-size: 13px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--ld-muted);
}

.lb-sidegroup {
	margin-bottom: 18px;
}

.lb-sidegroup:last-child {
	margin-bottom: 0;
}

.lb-sidegroup__name {
	margin: 0 0 8px;
	font-size: 14px;
	font-weight: 700;
	color: var(--ld-accent-bright);
}

.lb-sidelink {
	display: block;
	padding: 8px 10px;
	margin-bottom: 4px;
	border-radius: 8px;
	font-size: 14px;
	color: var(--ld-muted);
	text-decoration: none;
	transition: background 0.15s, color 0.15s;
}

.lb-sidelink:hover {
	color: var(--ld-text);
	background: rgba(255, 255, 255, 0.04);
}

.lb-sidelink--active {
	color: var(--ld-text);
	background: rgba(201, 162, 39, 0.12);
	border: 1px solid rgba(201, 162, 39, 0.25);
}

.lb-sidebar__articles {
	margin-top: 20px;
	padding-top: 18px;
	border-top: 1px solid rgba(74, 59, 47, 0.65);
}

.lb-mobile-nav {
	display: none;
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 30;
	grid-template-columns: repeat(5, 1fr);
	padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
	background: rgba(15, 12, 10, 0.94);
	backdrop-filter: blur(10px);
	border-top: 1px solid rgba(74, 59, 47, 0.75);
}

.lb-mobile-nav a {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 4px;
	padding: 8px 4px;
	border-radius: 10px;
	font-size: 10px;
	font-weight: 600;
	color: var(--ld-muted);
	text-decoration: none;
}

.lb-mobile-nav a.is-active {
	color: var(--ld-accent-bright);
	background: rgba(201, 162, 39, 0.1);
}

.lb-mobile-nav__icon {
	font-size: 18px;
	line-height: 1;
}

@media (max-width: 960px) {
	.lb-layout {
		grid-template-columns: 1fr;
	}

	.lb-sidebar {
		position: static;
		order: -1;
	}

	.lb-mobile-nav {
		display: grid;
	}

	body.ld-body {
		padding-bottom: 72px;
	}
}

@media (max-width: 520px) {
	.lb-search {
		flex-direction: column;
	}

	.lb-search .lb-btn {
		width: 100%;
	}

	.lb-toolbar .lb-btn {
		flex: 1 1 auto;
		justify-content: center;
	}
}