/*
 * single.css — Estilos específicos de la vista de artículo individual
 */

/* ---- Barra de progreso de lectura ---- */
.reading-progress {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	z-index: calc( var(--z-header) + 1 );
	background: rgba(255, 255, 255, 0.06);
}

.reading-progress__bar {
	height: 100%;
	width: 0%;
	background: var(--cat-color, var(--gradient-cta));
	background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-cyan));
	transition: width 100ms linear;
	border-radius: 0 2px 2px 0;
}

.article {
	transition: background-color var(--transition-normal), color var(--transition-normal);
}

.article--theme-light {
	--color-bg-primary: var(--color-article-light-bg-primary);
	--color-bg-secondary: var(--color-article-light-bg-secondary);
	--color-text-primary: var(--color-article-light-text-primary);
	--color-text-muted: var(--color-article-light-text-muted);
	--color-accent-cyan: var(--color-article-light-accent);
	--border-subtle: 1px solid var(--color-article-light-border);
	background: var(--color-article-light-bg-primary);
}

.article--theme-light {
	color: var(--color-text-primary);
}

/* ---- Header del artículo ---- */
.article__header {
	padding: var(--space-8) 0 var(--space-5);
	text-align: center;
	background: var(--color-bg-secondary);
	border-bottom: 1px solid rgba(0, 229, 255, 0.12);
}

.article__category {
	display: inline-block;
	font-size: var(--text-caption);
	font-weight: var(--font-weight-bold);
	letter-spacing: var(--letter-spacing-caption);
	text-transform: uppercase;
	color: var(--color-accent-cyan);
	margin-bottom: var(--space-2);
}

.article__title {
	font-size: clamp(var(--text-h2), 4vw, var(--text-h1));
	color: var(--color-text-primary);
	margin-bottom: var(--space-3);
	max-width: 800px;
	margin-inline: auto;
}

.article__meta {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-3);
	flex-wrap: wrap;
	font-size: var(--text-caption);
	color: var(--color-text-muted);
	letter-spacing: var(--letter-spacing-caption);
	text-transform: uppercase;
}

.article__reading-time {
	display: flex;
	align-items: center;
	gap: 4px;
}

.article__reading-time::before {
	content: '·';
	opacity: 0.4;
}

.article__author-link {
	color: var(--color-accent-cyan);
	transition: opacity var(--transition-fast);
}

.article__author-link:hover {
	opacity: 0.75;
}


/* ---- Cuerpo del artículo ---- */
.article__body {
	padding-top: var(--space-5);
	padding-bottom: var(--space-8);
	background: var(--color-bg-primary);
}

/* ---- Layout de dos columnas ---- */
.article__layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 300px;
	gap: var(--space-5);
	align-items: start;
}

.article__sidebar-col {
	position: sticky;
	top: calc(var(--header-height) + var(--space-2));
	max-height: calc(100vh - var(--header-height) - var(--space-4));
	overflow-y: auto;
	scrollbar-width: none;
}

.article__sidebar-col::-webkit-scrollbar {
	display: none;
}

.article__main {
	min-width: 0; /* Evita que el grid item se desborde */
	overflow-x: hidden;
}

.article__content {
	font-size: 1.0625rem;
	line-height: 1.8;
	overflow-wrap: break-word;
	word-break: break-word;
}

/* Hardening responsive: evitar overflow horizontal en cualquier bloque del contenido */
.article,
.article__body,
.article__layout,
.article__main,
.article__content {
	max-width: 100%;
}

.article__content > * {
	max-width: 100%;
	min-width: 0;
}

.article__content p,
.article__content li,
.article__content blockquote,
.article__content figcaption,
.article__content th,
.article__content td,
.article__content a,
.article__content code {
	overflow-wrap: anywhere;
}

.article__content img,
.article__content svg,
.article__content video,
.article__content canvas,
.article__content iframe,
.article__content embed,
.article__content object {
	max-width: 100%;
	height: auto;
}

.article__content figure,
.article__content .wp-block-image,
.article__content .wp-block-embed,
.article__content .wp-block-video {
	max-width: 100%;
	margin-inline: auto;
}

.article__content .alignwide,
.article__content .alignfull {
	width: 100%;
	max-width: 100%;
	margin-right: 0;
	margin-left: 0;
}

.article__content pre {
	max-width: 100%;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.article__content table {
	width: 100%;
	max-width: 100%;
	table-layout: fixed;
}

.article__content .wp-block-table {
	width: 100%;
	max-width: 100%;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.article__video {
	max-width: 740px;
	margin: 0 auto;
}

.article__video-section {
	background:
		radial-gradient(circle at 15% 10%, rgba(0, 229, 255, 0.12) 0%, transparent 42%),
		radial-gradient(circle at 85% 5%, rgba(122, 79, 255, 0.18) 0%, transparent 45%),
		#060a1c;
	border-top: 1px solid rgba(0, 229, 255, 0.18);
	border-bottom: 1px solid rgba(0, 229, 255, 0.14);
	padding: var(--space-5) 0;
}

.article__video-inner {
	position: relative;
	width: 100%;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	border-radius: var(--border-radius-md);
	border: var(--border-subtle);
	background: var(--color-bg-secondary);
}

.article__video-iframe {
	width: 100%;
	height: 100%;
	border: 0;
	display: block;
}

.article__inline-ad {
	margin-top: var(--space-5);
	padding: var(--space-3);
	border: var(--border-subtle);
	border-radius: var(--border-radius-md);
	background: rgba(255, 255, 255, 0.02);
}

.article__inline-ad-label {
	display: block;
	margin-bottom: var(--space-2);
	font-size: var(--text-caption);
	letter-spacing: var(--letter-spacing-caption);
	text-transform: uppercase;
	color: var(--color-text-muted);
}


.article--theme-light .article__header {
	--color-text-primary: #e6f7ff;
	--color-text-muted: rgba(230, 247, 255, 0.72);
	--color-accent-cyan: #00e5ff;
	background: #0A0F2A;
	border-bottom-color: rgba(0, 229, 255, 0.2);
}

.article--theme-light .article__body {
	background: var(--color-article-light-bg-primary);
}

.article--theme-light .article__content a {
	color: var(--color-article-light-accent);
	border-bottom-color: rgba(2, 132, 199, 0.3);
}

.article--theme-light .article__content a:hover {
	border-bottom-color: var(--color-article-light-accent);
}

.article--theme-light .article__content blockquote {
	border-left-color: rgba(2, 132, 199, 0.4);
	color: var(--color-article-light-text-primary);
	background: var(--color-article-light-surface);
	padding: var(--space-2) var(--space-3);
	border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.article--theme-light .article__content th,
.article--theme-light .article__content td {
	border-color: var(--color-article-light-border);
}

.article--theme-light .article__content th {
	background: rgba(2, 132, 199, 0.08);
	color: var(--color-article-light-accent-strong);
}

.article--theme-light .article__content tr:nth-child(even) td {
	background: var(--color-article-light-surface-alt);
}

.article--theme-light .article__content hr {
	background: linear-gradient(90deg, transparent, rgba(15, 23, 42, 0.15), transparent);
}

.article--theme-light .article__content code {
	background: var(--color-article-light-surface-alt);
	border-color: rgba(15, 23, 42, 0.12);
	color: var(--color-article-light-accent-strong);
}

.article--theme-light .article__content pre {
	background: #F1F5F9;
	border-color: rgba(15, 23, 42, 0.1);
}

.article--theme-light .article__content pre code {
	color: var(--color-article-light-text-primary);
}

.article--theme-light .article__tag {
	background: var(--color-article-light-surface);
}

/* ---- Bibliografia ---- */
.article__bibliography {
	margin-top: var(--space-6);
}

.article__bibliography-details {
	border: var(--border-subtle);
	border-radius: var(--border-radius-md);
	background: rgba(255, 255, 255, 0.02);
	overflow: hidden;
}

.article__bibliography-summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-2);
	padding: var(--space-2) var(--space-3);
	cursor: pointer;
	list-style: none;
	user-select: none;
}

.article__bibliography-summary::-webkit-details-marker {
	display: none;
}

.article__bibliography-title {
	font-size: var(--text-caption);
	letter-spacing: var(--letter-spacing-caption);
	text-transform: uppercase;
	font-weight: var(--font-weight-bold);
	color: var(--color-text-primary);
}

.article__bibliography-count {
	font-size: var(--text-caption);
	color: var(--color-text-muted);
}

.article__bibliography-list {
	margin: 0;
	padding: 0 var(--space-3) var(--space-3) calc( var(--space-3) + 20px );
	display: grid;
	gap: var(--space-2);
}

.article__bibliography-item {
	color: var(--color-text-secondary);
	line-height: 1.6;
}

.article__bibliography-reference {
	display: block;
	margin-bottom: 4px;
}

.article__bibliography-link {
	word-break: break-word;
	font-size: 0.875rem;
}

.article--theme-light .article__bibliography-details {
	background: var(--color-article-light-surface);
}

.article--theme-light .article__bibliography-item {
	color: var(--color-text-primary);
}

/* ---- Responsive mobile ---- */
@media (max-width: 767px) {
	.article__header {
		padding: var(--space-4) 0 var(--space-3);
		text-align: left;
	}

	.article__title {
		font-size: clamp(1.5rem, 6vw, var(--text-h2));
		letter-spacing: -0.01em;
	}

	.article__meta {
		justify-content: flex-start;
		gap: var(--space-2);
		font-size: 0.75rem;
	}


	.article__body {
		padding-top: var(--space-3);
		padding-bottom: var(--space-5);
	}

	.article__layout {
		gap: 0;
	}

	.article__content {
		font-size: 1rem;
	}

	.article__footer {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--space-2);
	}

	.article__video-section {
		padding: var(--space-3) 0;
	}

	.article__bibliography {
		margin-top: var(--space-4);
	}

	/* Sidebar en mobile: separador visual */
	.article__sidebar-col {
		margin-top: var(--space-5);
		padding-top: var(--space-5);
		border-top: var(--border-subtle);
	}
}

/* ---- Responsive tablet ---- */
@media (min-width: 768px) and (max-width: 1023px) {
	.article__header {
		padding: var(--space-6) 0 var(--space-4);
	}

	.article__title {
		font-size: clamp(var(--text-h2), 3.5vw, var(--text-h1));
	}

	.article__body {
		padding-top: var(--space-4);
		padding-bottom: var(--space-6);
	}


	/* Sidebar en tablet: separador visual antes */
	.article__sidebar-col {
		margin-top: var(--space-4);
		padding-top: var(--space-4);
		border-top: var(--border-subtle);
	}
}

/* ---- Compartir / metadatos extra ---- */
.article__footer {
	margin-top: var(--space-6);
	padding-top: var(--space-4);
	border-top: var(--border-subtle);
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: var(--space-3);
}

.article__tags {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-1);
}

.article__tag {
	padding: 3px 10px;
	border-radius: 100px;
	border: var(--border-subtle);
	font-size: var(--text-caption);
	font-weight: var(--font-weight-bold);
	color: var(--color-text-muted);
	transition: color var(--transition-fast), border-color var(--transition-fast);
}

.article__tag:hover {
	color: var(--color-accent-cyan);
	border-color: rgba(0, 229, 255, 0.3);
}

/* ---- Layout responsive — colapsar sidebar en tablet/móvil ---- */
@media (max-width: 1023px) {
	.article__layout {
		grid-template-columns: 1fr;
	}

	.article__sidebar-col {
		position: static;
		max-height: none;
		overflow: visible;
	}
}

/* ===========================================================
	ARTICLE SIDEBAR WIDGETS
	=========================================================== */

.article-sidebar {
	display: flex;
	flex-direction: column;
	gap: var(--space-3);
}

/* Widget base */
.article-sidebar__widget {
	background: var(--color-bg-secondary);
	border: var(--border-subtle);
	border-radius: var(--border-radius-lg);
	padding: var(--space-3);
}

.article-sidebar__widget-title {
	display: flex;
	align-items: center;
	gap: 8px;
	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);
	margin-bottom: var(--space-2);
}

.article-sidebar__widget-title svg {
	opacity: 0.7;
	flex-shrink: 0;
}

/* ---- Widget Relacionados ---- */
.article-sidebar__related {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
	margin: 0;
	padding: 0;
}

.article-sidebar__related-item {
	border-bottom: 1px solid rgba(0, 229, 255, 0.07);
	padding-bottom: var(--space-2);
}

.article-sidebar__related-item:last-child {
	border-bottom: none;
	padding-bottom: 0;
}

.article-sidebar__related-link {
	display: flex;
	gap: var(--space-2);
	align-items: flex-start;
	transition: opacity var(--transition-fast);
}

.article-sidebar__related-link:hover {
	opacity: 0.85;
}

.article-sidebar__related-thumb {
	flex-shrink: 0;
	width: 64px;
	height: 64px;
	border-radius: var(--border-radius-md);
	overflow: hidden;
	background: rgba(0, 229, 255, 0.12);
	background: color-mix(in srgb, var(--cat-color, var(--color-accent-cyan)) 18%, var(--color-bg-primary));
}

.article-sidebar__related-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.article-sidebar__related-meta {
	display: flex;
	flex-direction: column;
	gap: 4px;
	min-width: 0;
}

.article-sidebar__related-title {
	font-size: 0.875rem;
	font-weight: var(--font-weight-bold);
	color: var(--color-text-primary);
	line-height: 1.4;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	transition: color var(--transition-fast);
}

.article-sidebar__related-link:hover .article-sidebar__related-title {
	color: var(--color-accent-cyan);
}

.article-sidebar__related-date {
	font-size: 0.75rem;
	color: var(--color-text-muted);
}

/* ---- Widget Explorar ---- */
.article-sidebar__cats {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-1);
}

.article-sidebar__cat-tag {
	display: inline-block;
	padding: 5px 12px;
	border-radius: 100px;
	border: 1px solid rgba(0, 229, 255, 0.2);
	border: 1px solid color-mix(in srgb, var(--cat-color, var(--color-accent-cyan)) 30%, transparent);
	font-size: var(--text-caption);
	font-weight: var(--font-weight-bold);
	color: var(--color-text-muted);
	transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.article-sidebar__cat-tag:hover {
	color: var(--cat-color, var(--color-accent-cyan));
	border-color: var(--cat-color, var(--color-accent-cyan));
	background: rgba(0, 229, 255, 0.07);
	background: color-mix(in srgb, var(--cat-color, var(--color-accent-cyan)) 8%, transparent);
}

/* ---- Widget TOC ---- */
.article-sidebar__widget--toc {
	padding-bottom: var(--space-2);
}

.article-sidebar__toc-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: var(--space-2);
}

.article-sidebar__toc-header .article-sidebar__widget-title {
	margin-bottom: 0;
}

.article-toc__toggle-all {
	flex-shrink: 0;
	width: 24px;
	height: 24px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--color-text-muted);
	border-radius: var(--border-radius-sm);
	transition: color var(--transition-fast), background var(--transition-fast);
}

.article-toc__toggle-all:hover {
	color: var(--color-accent-cyan);
	background: rgba(0, 229, 255, 0.08);
}

.article-toc-scroll {
	position: relative;
	max-height: 260px;
	overflow-y: auto;
	scrollbar-width: thin;
	scrollbar-color: rgba(0, 229, 255, 0.2) transparent;
}

.article-toc-scroll::-webkit-scrollbar {
	width: 3px;
}

.article-toc-scroll::-webkit-scrollbar-track {
	background: transparent;
}

.article-toc-scroll::-webkit-scrollbar-thumb {
	background: rgba(0, 229, 255, 0.2);
	border-radius: 2px;
}

/* Fade inferior para indicar que hay más contenido */
.article-toc-scroll::after {
	content: '';
	position: sticky;
	bottom: 0;
	left: 0;
	right: 0;
	display: block;
	height: 28px;
	background: linear-gradient(to bottom, transparent, var(--color-bg-secondary));
	pointer-events: none;
	margin-top: -28px;
}

/* Lista raíz */
.article-toc {
	list-style: none;
	margin: 0;
	padding: 0;
	padding-bottom: var(--space-2);
	display: flex;
	flex-direction: column;
}

.article-toc__item {
	border-left: 2px solid rgba(0, 229, 255, 0.1);
	transition: border-color var(--transition-fast);
}

.article-toc__item--active {
	border-left-color: var(--color-accent-cyan);
}

/* H2 con hijos — fila con enlace + botón toggle */
.article-toc__group-row {
	display: flex;
	align-items: center;
}

.article-toc__group-row .article-toc__link {
	flex: 1;
	min-width: 0;
}

.article-toc__toggle {
	flex-shrink: 0;
	width: 24px;
	height: 24px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-right: 4px;
	color: var(--color-text-muted);
	border-radius: var(--border-radius-sm);
	transition: color var(--transition-fast), background var(--transition-fast);
}

.article-toc__toggle:hover {
	color: var(--color-text-primary);
	background: rgba(255, 255, 255, 0.06);
}

.article-toc__toggle svg {
	transition: transform var(--transition-fast);
}

.article-toc__group--collapsed .article-toc__toggle svg {
	transform: rotate(-90deg);
}

/* Lista de hijos H3 con animación */
.article-toc__children {
	list-style: none;
	margin: 0;
	padding: 0;
	overflow: hidden;
	max-height: 400px;
	transition: max-height var(--transition-normal);
}

.article-toc__group--collapsed .article-toc__children {
	max-height: 0;
}

/* H3: indentado respecto al H2 */
.article-toc__item--h3 {
	margin-left: var(--space-2);
}

.article-toc__link {
	display: block;
	padding: 5px var(--space-2);
	font-size: 0.8125rem;
	color: var(--color-text-muted);
	line-height: 1.45;
	transition: color var(--transition-fast), padding-left var(--transition-fast);
	text-decoration: none;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.article-toc__link:hover {
	color: var(--color-text-primary);
	padding-left: calc(var(--space-2) + 3px);
}

.article-toc__item--active > .article-toc__link,
.article-toc__item--active > .article-toc__group-row .article-toc__link {
	color: var(--color-accent-cyan);
	font-weight: var(--font-weight-bold);
}

/* Tema claro — TOC */
.article--theme-light .article-toc__item {
	border-left-color: rgba(15, 23, 42, 0.12);
}

.article--theme-light .article-toc__item--active {
	border-left-color: var(--color-article-light-accent);
}

.article--theme-light .article-toc__item--active > .article-toc__link,
.article--theme-light .article-toc__item--active > .article-toc__group-row .article-toc__link {
	color: var(--color-article-light-accent);
}

.article--theme-light .article-toc-scroll::after {
	background: linear-gradient(to bottom, transparent, var(--color-article-light-surface));
}

.article--theme-light .article-toc__toggle {
	color: var(--color-article-light-text-muted);
}

.article--theme-light .article-toc__toggle:hover {
	color: var(--color-article-light-text-primary);
	background: rgba(15, 23, 42, 0.06);
}

.article--theme-light .article-toc__toggle-all {
	color: var(--color-article-light-text-muted);
}

.article--theme-light .article-toc__toggle-all:hover {
	color: var(--color-article-light-accent);
	background: rgba(2, 132, 199, 0.08);
}

/* ---- Widget Publicidad ---- */
.article-sidebar__widget--ad {
	padding: var(--space-2);
	background: rgba(255, 255, 255, 0.02);
}

.article-sidebar__ad-label {
	display: block;
	font-size: 0.6875rem;
	letter-spacing: 0.07em;
	text-transform: uppercase;
	color: rgba(230, 247, 255, 0.3);
	margin-bottom: var(--space-1);
}

.article-sidebar__ad-slot {
	min-height: 250px;
	background: rgba(255, 255, 255, 0.03);
	border: 1px dashed rgba(255, 255, 255, 0.1);
	border-radius: var(--border-radius-md);
	display: block;
	padding: var(--space-2);
	font-size: var(--text-caption);
	color: rgba(230, 247, 255, 0.25);
}

/* ---- Tema claro: sidebar ---- */
.article--theme-light .article-sidebar__widget {
	background: var(--color-article-light-surface);
	border-color: var(--color-article-light-border);
}

.article--theme-light .article-sidebar__related-title {
	color: var(--color-text-primary);
}

.article--theme-light .article-sidebar__widget-title {
	color: var(--color-article-light-text-muted);
}

.article--theme-light .article-sidebar__related-date {
	color: var(--color-article-light-text-muted);
}

.article--theme-light .article-sidebar__cat-tag {
	color: var(--color-article-light-text-muted);
	border-color: rgba(15, 23, 42, 0.15);
}

.article--theme-light .article-sidebar__cat-tag:hover {
	color: var(--cat-color, var(--color-article-light-accent));
	border-color: var(--cat-color, var(--color-article-light-accent));
	background: rgba(2, 132, 199, 0.06);
}

.article--theme-light .article-sidebar__ad-label {
	color: rgba(15, 23, 42, 0.3);
}

.article--theme-light .article-sidebar__ad-slot {
	background: rgba(15, 23, 42, 0.03);
	border-color: rgba(15, 23, 42, 0.1);
	color: rgba(15, 23, 42, 0.25);
}