/* Blog — CodeHub (tema claro: fondo blanco, texto oscuro) */
.blog-site {
  --bg: #ffffff;
  --surface: #f4f7f9;
  --surface-card: #ffffff;
  --border: rgba(15, 23, 42, 0.1);
  --border2: rgba(15, 23, 42, 0.16);
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent: #6d4fd6;
  --blue: #0e9ecf;
  --blue-soft: rgba(14, 158, 207, 0.12);
  --chip-bg: rgba(109, 79, 214, 0.1);
  --glow: rgba(14, 158, 207, 0.22);
  --sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
  --r: 12px;
  --r2: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 16px 40px rgba(15, 23, 42, 0.12);
}

body.blog-site {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.blog-site a {
  color: inherit;
  text-decoration: none;
}

.blog-site .container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.blog-site header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.blog-site .header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  min-height: 64px;
}

.blog-site .logo img {
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

/* Solo la barra superior; no el <nav> del archivo por fecha (.blog-archive-tree) */
.blog-site header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.25rem;
}

.blog-site header nav a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.blog-site header nav a:hover,
.blog-site header nav a[aria-current="page"] {
  color: var(--blue);
}

.blog-site main.container {
  padding-top: 96px;
  padding-bottom: 4rem;
}

/* Hero */
.blog-hero {
  margin-bottom: 2.5rem;
  padding: 2rem 1.75rem;
  border-radius: var(--r2);
  border: 1px solid var(--border);
  background: linear-gradient(
    145deg,
    rgba(14, 158, 207, 0.08) 0%,
    var(--surface) 50%,
    rgba(109, 79, 214, 0.06) 100%
  );
  box-shadow: var(--shadow-sm);
}

.blog-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.blog-hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 52ch;
}

/* Toolbar */
.blog-toolbar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.blog-search-wrap {
  position: relative;
}

.blog-search-wrap label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

#blog-search-input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--surface-card);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-sm);
}

#blog-search-input::placeholder {
  color: var(--text-muted);
}

#blog-search-input:focus {
  border-color: rgba(14, 158, 207, 0.45);
  box-shadow: 0 0 0 3px var(--glow);
}

.blog-search-wrap .search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
  pointer-events: none;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.blog-filters span.filter-label {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 0.25rem;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: var(--surface-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--sans);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.filter-chip:hover {
  border-color: var(--border2);
  color: var(--text);
}

.filter-chip.is-active {
  background: var(--blue-soft);
  border-color: rgba(14, 158, 207, 0.45);
  color: #0b7a9e;
  font-weight: 600;
}

#blog-search-results {
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--surface-card);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: none;
  box-shadow: var(--shadow-sm);
}

#blog-search-results.is-visible {
  display: block;
}

#blog-search-results h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.search-result-item {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item a {
  color: var(--text);
  font-weight: 600;
}

.search-result-item a:hover {
  color: var(--blue);
}

.search-result-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Layout — minmax(0, …) + min-width:0 en hijos evita que el árbol desborde la columna (bug grid) */
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  width: 100%;
  max-width: 100%;
}

@media (max-width: 900px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }
}

.blog-sidebar {
  position: sticky;
  top: 88px;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  overflow-x: hidden;
  padding: 1.25rem;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
  isolation: isolate;
}

.blog-main-content {
  min-width: 0;
  max-width: 100%;
}

.blog-sidebar h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.category-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.category-list li {
  margin-bottom: 0.35rem;
}

.category-list a {
  display: block;
  padding: 0.35rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-radius: 6px;
  transition: color 0.2s, padding-left 0.2s;
}

.category-list a:hover {
  color: var(--blue);
  padding-left: 4px;
}

/* Archivo por fecha (sidebar) */
.blog-archive-tree {
  display: block;
  font-size: 0.88rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: hidden;
}

/* Listas del árbol en columna (defensa ante reglas globales) */
.blog-archive-tree ul {
  display: block;
}

.blog-archive-years,
.blog-archive-months,
.blog-archive-posts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-archive-year-item {
  margin-bottom: 0.25rem;
}

.blog-archive-months {
  margin: 0.35rem 0 0.5rem 0.35rem;
  padding-left: 0.5rem;
  border-left: 2px solid rgba(14, 158, 207, 0.25);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.blog-archive-month-item {
  margin-bottom: 0.2rem;
}

.blog-archive-details {
  border-radius: 8px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.blog-archive-details > summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
  padding: 0.35rem 0.25rem;
  border-radius: 6px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.82rem;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.blog-archive-details > summary::-webkit-details-marker {
  display: none;
}

.blog-archive-details > summary:hover {
  background: rgba(14, 158, 207, 0.08);
  color: var(--text);
}

.blog-archive-year-label {
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  min-width: 0;
  flex: 1;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.blog-archive-details--month > summary {
  font-weight: 500;
  font-size: 0.8rem;
}

.blog-archive-month-name {
  flex: 1;
  min-width: 0;
}

.blog-archive-month-count {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(15, 23, 42, 0.06);
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
}

.blog-archive-chevron {
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(-45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-top: -0.1rem;
}

.blog-archive-details[open] > summary .blog-archive-chevron {
  transform: rotate(45deg);
  margin-top: 0.1rem;
}

.blog-archive-posts {
  margin: 0.35rem 0 0.65rem 0.5rem;
  padding-left: 0.65rem;
  border-left: 1px dashed var(--border);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.blog-archive-posts li {
  margin-bottom: 0.45rem;
  min-width: 0;
  max-width: 100%;
}

.blog-archive-posts a {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.3rem 0.25rem;
  border-radius: 6px;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.blog-archive-posts a:hover {
  background: rgba(14, 158, 207, 0.08);
  color: var(--blue);
}

.blog-archive-post-date {
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  font-weight: 600;
}

.blog-archive-post-title {
  font-size: 0.8rem;
  line-height: 1.35;
  color: inherit;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
  word-break: break-word;
  min-width: 0;
}

.blog-archive-foot {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
}

.blog-archive-foot a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-archive-foot a:hover {
  color: var(--blue);
}

.blog-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 0;
}

/* Post grid */
.post-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.post-list.is-searching .post-card-wrap {
  display: none;
}

.post-card-wrap {
  display: flex;
  flex-direction: column;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--surface-card);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.2s;
  box-shadow: var(--shadow-sm);
}

.post-card-wrap:hover {
  transform: translateY(-3px);
  border-color: var(--border2);
  box-shadow: var(--shadow-hover);
}

.post-card-wrap.is-hidden {
  display: none !important;
}

.post-card-thumb {
  aspect-ratio: 16 / 9;
  background: linear-gradient(
    135deg,
    rgba(14, 158, 207, 0.18) 0%,
    rgba(109, 79, 214, 0.12) 100%
  );
  background-size: cover;
  background-position: center;
}

.post-card-inner {
  padding: 1.25rem 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Sin imagen destacada: sin franja vacía ni logo por defecto */
.post-card-wrap--text-only .post-card-inner {
  padding-top: 1.35rem;
}

.post-card-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
}

.post-chip {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: var(--chip-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.post-card-wrap .post-title {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  line-height: 1.35;
  font-weight: 600;
}

.post-card-wrap .post-title a {
  color: var(--text);
  transition: color 0.2s;
}

.post-card-wrap .post-title a:hover {
  color: var(--blue);
}

.post-card-wrap .post-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.post-card-wrap .post-content {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.post-card-wrap .post-content p {
  margin: 0;
}

/* Single post — lectura cómoda */
.post-single {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 0.25rem;
}

.post-breadcrumbs {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.post-breadcrumbs a {
  color: var(--text-secondary);
}

.post-breadcrumbs a:hover {
  color: var(--blue);
}

.post-breadcrumbs span[aria-hidden="true"] {
  margin: 0 0.4rem;
  opacity: 0.45;
}

.blog-site .post-single .post-title {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.25;
  color: var(--text);
}

.blog-site .post-single .post-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.blog-site .post-single .post-content {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.75;
  letter-spacing: 0.01em;
}

.blog-site .post-single .post-content p {
  margin-bottom: 1.25rem;
}

.blog-site .post-single .post-content h2,
.blog-site .post-single .post-content h3 {
  margin-top: 2.75rem;
  margin-bottom: 1rem;
  color: var(--text);
  font-weight: 600;
  line-height: 1.35;
}

.blog-site .post-single .post-content h2 {
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}

/* Separadores entre secciones (markdown ---): barra corta redondeada en lugar de línea gris */
.blog-site .post-single .post-content hr {
  border: 0;
  margin: 2.75rem auto;
  width: 3.5rem;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), rgba(109, 79, 214, 0.55));
  opacity: 0.9;
}

.blog-site .post-single .post-content ul,
.blog-site .post-single .post-content ol {
  margin: 0 0 1.1rem 1.35rem;
}

.blog-site .post-single .post-content li {
  margin-bottom: 0.35rem;
}

.blog-site .post-single .post-content strong {
  color: var(--text);
}

.blog-site .post-single .post-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.blog-site .post-single .post-content th,
.blog-site .post-single .post-content td {
  border: 1px solid var(--border);
  padding: 0.65rem 0.85rem;
  text-align: left;
}

.back-home {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 2.5rem;
  padding: 0.65rem 1rem;
  border-radius: var(--r);
  border: 1px solid var(--border);
  color: var(--blue);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s;
}

.back-home:hover {
  background: var(--blue-soft);
  border-color: rgba(14, 158, 207, 0.35);
}

/* Category archive */
.blog-category-page {
  max-width: 900px;
  margin: 0 auto;
}

.blog-category-page h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.blog-category-page .category-intro {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.categorias-index {
  max-width: 640px;
  margin: 0 auto;
}

.categorias-index h1 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.categorias-index ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.categorias-index li {
  border-bottom: 1px solid var(--border);
}

.categorias-index a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  color: var(--text-secondary);
}

.categorias-index a:hover {
  color: var(--blue);
}

.categorias-index .count {
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .blog-site header nav {
    gap: 0.5rem 1rem;
  }

  .blog-site main.container {
    padding-top: 88px;
  }
}