/*
 * articles-library.css — Biblioteca de artículos (template-biblioteca.php)
 */

/* ===========================================================
	HERO
	- Sin imagen destacada: fondo gradiente oscuro
	- Con imagen destacada (--has-image): foto de fondo + overlay
	Configurable desde WP: Título, Excerpt e Imagen destacada
	=========================================================== */

.library-hero {
	position: relative;
	padding: var(--space-10) 0 var(--space-8);
	background:
		radial-gradient(ellipse at 25% 65%, rgba(0, 229, 255, 0.11) 0%, transparent 55%),
		radial-gradient(ellipse at 78% 20%, rgba(122, 79, 255, 0.16) 0%, transparent 50%),
		var(--color-bg-secondary);
	border-bottom: 1px solid rgba(0, 229, 255, 0.1);
}

.library-hero--has-image {
	background: var(--library-hero-bg) center / cover no-repeat;
}

.library-hero__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(to bottom, rgba(0, 1, 10, 0.52) 0%, rgba(0, 1, 10, 0.88) 100%);
	pointer-events: none;
}

.library-hero__inner {
	position: relative;
	z-index: 1;
	text-align: center;
	max-width: 680px;
	margin-inline: auto;
}

.library-hero__title {
	font-size: clamp(var(--text-h1), 5vw, var(--text-display));
	font-weight: var(--font-weight-bold);
	letter-spacing: var(--letter-spacing-heading);
	color: var(--color-text-primary);
	line-height: var(--line-height-heading);
	margin-bottom: var(--space-2);
}

.library-hero__subtitle {
	font-size: clamp(var(--text-body), 2vw, 1.125rem);
	color: var(--color-text-muted);
	line-height: var(--line-height-body);
	max-width: 55ch;
	margin-inline: auto;
}

@media (max-width: 767px) {
	.library-hero {
		padding: var(--space-8) 0 var(--space-6);
	}
}

/* ===========================================================
	SECCIÓN DE FILTROS Y BÚSQUEDA
	=========================================================== */

.articles-library__tools {
	background: var(--color-bg-primary);
	border-bottom: 1px solid rgba(0, 229, 255, 0.08);
	padding: var(--space-4) 0 var(--space-3);
}

.articles-library__search-form {
	max-width: 860px;
	margin-inline: auto;
}

.articles-library__search {
	position: relative;
	display: grid;
	grid-template-columns: 1fr auto;
	gap: var(--space-2);
	padding: var(--space-2);
	border-radius: var(--border-radius-lg);
	border: 1px solid rgba(0, 229, 255, 0.2);
	background:
		radial-gradient(circle at 0% 0%, rgba(0, 229, 255, 0.14), transparent 45%),
		var(--color-bg-secondary);
	box-shadow: 0 12px 38px rgba(0, 0, 0, 0.35);
}

.articles-library__search-input {
	width: 100%;
	padding: 13px var(--space-2);
	background: rgba(255, 255, 255, 0.04);
	border: var(--border-subtle);
	border-radius: var(--border-radius-md);
	color: var(--color-text-primary);
	font-size: 1rem;
	transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.articles-library__search-input:focus {
	outline: none;
	border-color: rgba(0, 229, 255, 0.55);
	box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}

.articles-library__search-live {
	position: absolute;
	top: calc(100% + 8px);
	left: 0;
	right: 0;
	background: #0f1533;
	border: var(--border-subtle);
	border-radius: var(--border-radius-md);
	box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
	max-height: 420px;
	overflow-y: auto;
	z-index: calc(var(--z-header) + 2);
}

.articles-library__search-live[hidden] {
	display: none;
}

.library-live__item {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	padding: 10px var(--space-2);
	text-decoration: none;
	border-bottom: 1px solid rgba(255, 255, 255, 0.04);
	transition: background var(--transition-fast);
}

.library-live__item:last-child {
	border-bottom: 0;
}

.library-live__item:hover,
.library-live__item.is-active {
	background: rgba(0, 229, 255, 0.08);
}

.library-live__thumb {
	width: 52px;
	height: 52px;
	border-radius: var(--border-radius-sm);
	background-size: cover;
	background-position: center;
	background-color: rgba(255, 255, 255, 0.05);
	flex-shrink: 0;
}

.library-live__body {
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.library-live__cat {
	font-size: 0.6875rem;
	font-weight: var(--font-weight-bold);
	letter-spacing: var(--letter-spacing-caption);
	text-transform: uppercase;
}

.library-live__title {
	color: var(--color-text-primary);
	font-size: 0.9375rem;
	font-weight: var(--font-weight-bold);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.library-live__excerpt {
	color: var(--color-text-muted);
	font-size: 0.75rem;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.library-live__empty,
.library-live__loading {
	padding: var(--space-3);
	color: var(--color-text-muted);
	font-size: var(--text-caption);
	text-align: center;
}

.articles-library__categories {
	margin-top: var(--space-3);
	display: flex;
	gap: var(--space-1);
	flex-wrap: wrap;
}

.articles-library__cat-chip {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 12px;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: rgba(255, 255, 255, 0.03);
	color: var(--color-text-muted);
	font-size: 0.75rem;
	font-weight: var(--font-weight-bold);
	letter-spacing: var(--letter-spacing-caption);
	text-transform: uppercase;
	transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.articles-library__cat-chip:hover {
	color: var(--cat-color, var(--color-text-primary));
	border-color: color-mix(in srgb, var(--cat-color, var(--color-accent-cyan)) 45%, transparent);
	background: color-mix(in srgb, var(--cat-color, var(--color-accent-cyan)) 10%, transparent);
	transform: translateY(-1px);
}

.articles-library__cat-chip.is-active {
	color: var(--cat-color, var(--color-accent-cyan));
	border-color: color-mix(in srgb, var(--cat-color, var(--color-accent-cyan)) 60%, transparent);
	background: color-mix(in srgb, var(--cat-color, var(--color-accent-cyan)) 14%, transparent);
}

.articles-library__cat-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--cat-color, var(--color-accent-cyan));
}

.articles-library__toolbar {
	margin-top: var(--space-3);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-2);
	flex-wrap: wrap;
}

.articles-library__count {
	font-size: var(--text-caption);
	color: var(--color-text-muted);
	margin: 0;
}

.articles-library__view-switch {
	display: inline-flex;
	border: var(--border-subtle);
	border-radius: var(--border-radius-md);
	overflow: hidden;
}

.articles-library__view-btn {
	padding: 9px 14px;
	font-size: var(--text-caption);
	font-weight: var(--font-weight-bold);
	letter-spacing: var(--letter-spacing-caption);
	text-transform: uppercase;
	color: var(--color-text-muted);
	background: transparent;
	transition: background var(--transition-fast), color var(--transition-fast);
}

.articles-library__view-btn:hover {
	background: rgba(255, 255, 255, 0.06);
	color: var(--color-text-primary);
}

.articles-library__view-btn.is-active {
	background: rgba(0, 229, 255, 0.12);
	color: var(--color-accent-cyan);
}

.articles-library__content {
	padding: var(--space-5) 0 var(--space-10);
}

.articles-library__results {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-4);
}

/* Vista lista */
.articles-library__results--list {
	gap: var(--space-3);
}

.articles-library__results--list .article-card {
	flex-direction: row;
	min-height: 180px;
}

.articles-library__results--list .article-card__thumbnail-link {
	width: 280px;
	flex-shrink: 0;
}

.articles-library__results--list .article-card__thumbnail {
	height: 100%;
	aspect-ratio: auto;
}

.articles-library__results--list .article-card__body {
	padding: var(--space-3);
}

.articles-library .page-numbers {
	margin-top: var(--space-6);
}

.articles-library ul.page-numbers {
	list-style: none;
	display: flex;
	justify-content: center;
	align-items: center;
	gap: var(--space-2);
	flex-wrap: wrap;
	padding: 0;
}

.articles-library .page-numbers a,
.articles-library .page-numbers span {
	padding: 8px 14px;
	border-radius: var(--border-radius-md);
	font-size: 0.9375rem;
	font-weight: var(--font-weight-bold);
}

.articles-library .page-numbers a {
	background: rgba(0, 229, 255, 0.08);
	color: var(--color-accent-cyan);
	border: var(--border-subtle);
}

.articles-library .page-numbers .current {
	background: var(--color-accent-cyan);
	color: var(--color-bg-primary);
}

@media (min-width: 768px) {
	.articles-library__results {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 1024px) {
	.articles-library__results {
		grid-template-columns: repeat(3, 1fr);
	}

	.articles-library__results--list {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 767px) {
	.articles-library__search {
		grid-template-columns: 1fr;
	}

	.articles-library__results--list .article-card {
		flex-direction: column;
		min-height: auto;
	}

	.articles-library__results--list .article-card__thumbnail-link {
		width: 100%;
	}
}