/* ==========================================================================
   Blog — listados, detalle, archivos y búsqueda.
   Compone sobre las variables y clases definidas en style.css.
   ========================================================================== */

/* --- Cabecera de sección --- */
.blog-header {
    border-bottom: 1px solid var(--bg-tertiary);
    padding-bottom: var(--spacing-md);
}
.blog-header-title {
    margin-bottom: var(--spacing-xs);
}
.blog-header-query {
    color: var(--primary-color);
}
.blog-header-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: 0;
}

/* --- Rejilla de tarjetas --- */
.blog-card {
    background: var(--bg-primary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}
.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.blog-card-img-link {
    display: block;
    overflow: hidden;
}
.blog-card-img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform var(--transition);
}
.blog-card:hover .blog-card-img {
    transform: scale(1.04);
}
.blog-card-img--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-steps);
    color: var(--primary-color);
    font-size: var(--font-size-4xl);
}
.blog-card-body {
    padding: var(--spacing-md);
    flex: 1 1 auto;
}
.blog-card-cat {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--spacing-xs);
}
.blog-card-cat a {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
}
.blog-card-cat a:hover {
    color: var(--primary-color);
}
.blog-card-title {
    font-size: var(--font-size-xl);
    line-height: 1.3;
    margin-bottom: var(--spacing-xs);
}
.blog-card-title a {
    color: var(--text-primary);
    text-decoration: none;
}
.blog-card-title a:hover {
    color: var(--primary-color);
}
.blog-card-meta {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}
.blog-card-excerpt {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

/* --- Migas de pan (breadcrumb) --- */
.blog-breadcrumb {
    margin-bottom: var(--spacing-md);
}
.blog-breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}
.blog-breadcrumb li {
    display: flex;
    align-items: center;
}
.blog-breadcrumb li + li::before {
    content: "/";
    margin-right: 0.5rem;
    color: var(--text-muted);
}
.blog-breadcrumb a {
    color: var(--primary-dark);
    text-decoration: none;
}
.blog-breadcrumb a:hover {
    color: var(--primary-color);
}
.blog-breadcrumb [aria-current="page"] {
    color: var(--text-secondary);
}

/* --- Detalle del post --- */
.single-post-back {
    font-weight: 600;
}
.single-post-cat a {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: var(--font-size-sm);
}
.single-post-cat a:hover {
    color: var(--primary-color);
}
.single-post-title {
    font-size: var(--font-size-5xl);
    line-height: 1.15;
    margin-bottom: var(--spacing-sm);
}
.single-post-meta {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}
.single-post-thumbnail {
    margin: 0 0 var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.single-post-thumbnail img {
    display: block;
    width: 100%;
    height: auto;
}
.single-post-content {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--text-primary);
}
.single-post-content > * {
    margin-bottom: var(--spacing-md);
}
.single-post-content h2 {
    font-size: var(--font-size-3xl);
    margin-top: var(--spacing-xl);
}
.single-post-content h3 {
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-lg);
}
.single-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}
.single-post-content a {
    color: var(--primary-dark);
}
.single-post-content blockquote {
    border-left: 4px solid var(--primary-color);
    background: var(--bg-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    color: var(--text-secondary);
}
.single-post-footer {
    border-top: 1px solid var(--bg-tertiary);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
}
.single-post-tags-label {
    font-weight: 600;
    color: var(--text-primary);
}
.single-post-tags {
    list-style: none;
    display: inline-flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: 0;
    padding: 0;
}
.single-post-tags a {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-steps);
    color: var(--primary-dark);
    border-radius: 999px;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}
.single-post-tags a:hover {
    background: var(--primary-color);
    color: #fff;
}

/* --- Paginación --- */
.blog-pagination {
    margin-top: var(--spacing-xl);
}
.blog-pagination .nav-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}
.blog-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.75rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--bg-tertiary);
    color: var(--text-secondary);
    text-decoration: none;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.blog-pagination a.page-numbers:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.blog-pagination .page-numbers.current {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}
.blog-pagination .page-numbers.dots {
    border-color: transparent;
}

/* --- Formulario de búsqueda --- */
.blog-search-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.2);
}

/* --- Estado vacío --- */
.blog-no-results {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
}
.blog-no-results-title {
    margin-bottom: var(--spacing-xs);
}
.blog-no-results-search {
    max-width: 480px;
    margin: var(--spacing-md) auto 0;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .single-post-title {
        font-size: var(--font-size-4xl);
    }
    .single-post-content {
        font-size: var(--font-size-base);
    }
}