/**
 * Blog Theme - Estilos específicos del blog
 *
 * Este archivo contiene todos los estilos visuales del blog.
 * Usa las variables CSS definidas en variables.css para permitir
 * personalización fácil desde otras apps.
 *
 * IMPORTANTE: Todas las clases específicas del blog usan el prefijo .blog-
 * o afectan solo a elementos dentro del contexto del blog.
 */

/* ========== ESTILOS GLOBALES DEL BLOG ========== */
body.blog-page {
    font-family: var(--blog-fuente-principal);
    line-height: var(--blog-altura-linea-normal);
    color: var(--blog-texto-principal);
    background: var(--blog-fondo-gradiente);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Header del Blog */
.blog-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--blog-sombra-md);
    padding: var(--blog-espacio-md) 0;
    position: sticky;
    top: 0;
    z-index: var(--blog-z-header);
    border-bottom: 3px solid var(--blog-color-primario);
}

.blog-header h1 {
    margin-bottom: var(--blog-espacio-xs);
    background: var(--blog-fondo-gradiente);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--blog-fuente-titulos);
    font-weight: var(--blog-peso-extrabold);
    font-size: var(--blog-texto-4xl);
}

.blog-nav ul {
    list-style: none;
    display: flex;
    gap: var(--blog-espacio-lg);
}

.blog-nav a {
    color: var(--blog-texto-secundario);
    text-decoration: none;
    transition: all var(--blog-transicion-normal);
    font-weight: var(--blog-peso-semibold);
    padding: var(--blog-espacio-xs) var(--blog-espacio-sm);
    border-radius: var(--blog-borde-radio);
}

.blog-nav a:hover {
    color: var(--blog-color-primario);
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

/* Main Content */
.blog-main {
    padding: var(--blog-espacio-xl) 0;
    min-height: calc(100vh - 250px);
}

/* Footer del Blog */
.blog-footer {
    background: rgba(26, 32, 44, 0.95);
    backdrop-filter: blur(10px);
    color: white;
    text-align: center;
    padding: var(--blog-espacio-lg) 0;
    margin-top: var(--blog-espacio-2xl);
    border-top: 3px solid var(--blog-color-primario);
}

.blog-footer p {
    opacity: 0.9;
}

/* ========== POST CARDS ========== */
.blog-post-card {
    background: var(--blog-fondo-principal);
    border-radius: var(--blog-borde-radio-lg);
    overflow: hidden;
    box-shadow: var(--blog-sombra-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
}

.blog-post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--blog-fondo-gradiente);
    opacity: 0;
    transition: opacity var(--blog-transicion-normal);
}

.blog-post-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.blog-post-card:hover::before {
    opacity: 1;
}

.blog-post-card-content {
    padding: var(--blog-espacio-lg);
}

.blog-post-card h2 {
    font-size: var(--blog-texto-2xl);
    margin-bottom: var(--blog-espacio-sm);
    color: var(--blog-texto-principal);
    font-family: var(--blog-fuente-titulos);
    font-weight: var(--blog-peso-bold);
    line-height: 1.4;
}

.blog-post-card h2 a {
    color: inherit;
    text-decoration: none;
    transition: color var(--blog-transicion-normal);
}

.blog-post-card h2 a:hover {
    color: var(--blog-color-primario);
}

.blog-post-meta {
    font-size: var(--blog-texto-sm);
    color: var(--blog-texto-terciario);
    margin-bottom: var(--blog-espacio-sm);
    display: flex;
    flex-wrap: wrap;
    gap: var(--blog-espacio-sm);
    align-items: center;
}

.blog-post-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.blog-post-meta span i {
    color: var(--blog-color-primario);
}

.blog-post-excerpt {
    color: var(--blog-texto-secundario);
    line-height: var(--blog-altura-linea-relajada);
    margin-bottom: var(--blog-espacio-sm);
}

/* ========== POST DETAIL ========== */
.blog-post-detail {
    background: var(--blog-fondo-principal);
    border-radius: var(--blog-borde-radio-lg);
    padding: var(--blog-espacio-xl);
    box-shadow: var(--blog-sombra-xl);
    position: relative;
    overflow: hidden;
}

.blog-post-detail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--blog-fondo-gradiente);
}

.blog-post-header {
    margin-bottom: var(--blog-espacio-lg);
    padding-bottom: var(--blog-espacio-md);
    border-bottom: 2px solid var(--blog-borde-color);
}

.blog-post-header h1 {
    font-size: var(--blog-texto-5xl);
    margin-bottom: var(--blog-espacio-md);
    color: var(--blog-texto-principal);
    font-family: var(--blog-fuente-titulos);
    font-weight: var(--blog-peso-extrabold);
    line-height: 1.2;
    background: linear-gradient(135deg, var(--blog-texto-principal) 0%, var(--blog-color-primario) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Estilos para el contenido del post generado desde el editor */
.blog-post-content {
    font-size: var(--blog-texto-lg);
    line-height: var(--blog-altura-linea-suelta);
    color: #2d3748;
}

.blog-post-content h1,
.blog-post-content h2,
.blog-post-content h3 {
    margin-top: var(--blog-espacio-lg);
    margin-bottom: var(--blog-espacio-sm);
    color: var(--blog-texto-principal);
    font-family: var(--blog-fuente-titulos);
    font-weight: var(--blog-peso-bold);
}

.blog-post-content h1 { font-size: var(--blog-texto-4xl); }
.blog-post-content h2 { font-size: var(--blog-texto-3xl); }
.blog-post-content h3 { font-size: var(--blog-texto-2xl); }

.blog-post-content p {
    margin-bottom: var(--blog-espacio-md);
}

.blog-post-content ul,
.blog-post-content ol {
    margin: var(--blog-espacio-md) 0;
    padding-left: var(--blog-espacio-lg);
}

.blog-post-content li {
    margin-bottom: var(--blog-espacio-xs);
}

.blog-post-content pre {
    background: #2d3748;
    color: #e2e8f0;
    padding: var(--blog-espacio-md);
    border-radius: var(--blog-borde-radio);
    overflow-x: auto;
    margin: var(--blog-espacio-md) 0;
    box-shadow: var(--blog-sombra-md);
}

.blog-post-content code {
    background: var(--blog-fondo-terciario);
    color: var(--blog-color-error);
    padding: 0.2rem 0.5rem;
    border-radius: var(--blog-borde-radio-sm);
    font-family: var(--blog-fuente-codigo);
    font-size: 0.9em;
}

.blog-post-content pre code {
    background: none;
    color: #e2e8f0;
    padding: 0;
}

.blog-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--blog-borde-radio);
    margin: var(--blog-espacio-md) 0;
    box-shadow: var(--blog-sombra-md);
}

.blog-post-content blockquote {
    border-left: 4px solid var(--blog-color-primario);
    padding-left: var(--blog-espacio-md);
    margin: var(--blog-espacio-md) 0;
    color: var(--blog-texto-secundario);
    font-style: italic;
}

/* ========== BADGES ========== */
.blog-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: var(--blog-texto-sm);
    font-weight: var(--blog-peso-semibold);
    margin-right: var(--blog-espacio-xs);
    margin-bottom: var(--blog-espacio-xs);
    text-decoration: none;
    transition: all var(--blog-transicion-normal);
}

.blog-badge-category {
    background: var(--blog-fondo-gradiente);
    color: white;
    box-shadow: 0 4px 6px rgba(102, 126, 234, 0.3);
}

.blog-badge-category:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

.blog-badge-tag {
    background: linear-gradient(135deg, var(--blog-color-acento) 0%, #38a169 100%);
    color: white;
    box-shadow: 0 4px 6px rgba(72, 187, 120, 0.3);
}

.blog-badge-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(72, 187, 120, 0.4);
}

/* ========== PAGINATION ========== */
.blog-pagination {
    display: flex;
    justify-content: center;
    gap: var(--blog-espacio-sm);
    margin-top: var(--blog-espacio-xl);
    flex-wrap: wrap;
}

.blog-pagination a,
.blog-pagination span {
    padding: var(--blog-espacio-sm) var(--blog-espacio-md);
    background: var(--blog-fondo-principal);
    border: 2px solid var(--blog-borde-color);
    border-radius: var(--blog-borde-radio);
    text-decoration: none;
    color: var(--blog-texto-secundario);
    font-weight: var(--blog-peso-semibold);
    transition: all var(--blog-transicion-normal);
    box-shadow: var(--blog-sombra-sm);
}

.blog-pagination a:hover {
    background: var(--blog-color-primario);
    color: white;
    border-color: var(--blog-color-primario);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.blog-pagination .current {
    background: var(--blog-fondo-gradiente);
    color: white;
    border-color: var(--blog-color-primario);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

/* ========== SEARCH FORM ========== */
.blog-search-form {
    margin: var(--blog-espacio-lg) 0;
    display: flex;
    gap: var(--blog-espacio-sm);
    flex-wrap: wrap;
}

.blog-search-form input[type="text"] {
    padding: var(--blog-espacio-sm) var(--blog-espacio-md);
    border: 2px solid var(--blog-borde-color);
    border-radius: var(--blog-borde-radio);
    width: 100%;
    max-width: 500px;
    font-size: var(--blog-texto-base);
    transition: all var(--blog-transicion-normal);
    background: var(--blog-fondo-principal);
}

.blog-search-form input[type="text"]:focus {
    outline: none;
    border-color: var(--blog-color-primario);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.blog-search-form button {
    padding: var(--blog-espacio-sm) var(--blog-espacio-lg);
    background: var(--blog-fondo-gradiente);
    color: white;
    border: none;
    border-radius: var(--blog-borde-radio);
    cursor: pointer;
    font-family: var(--blog-fuente-titulos);
    font-size: var(--blog-texto-base);
    font-weight: var(--blog-peso-semibold);
    transition: all var(--blog-transicion-normal);
    box-shadow: 0 4px 6px rgba(102, 126, 234, 0.3);
}

.blog-search-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

/* ========== UTILIDADES ========== */
.blog-update-info {
    margin-top: var(--blog-espacio-lg);
    padding: var(--blog-espacio-md);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-left: 4px solid var(--blog-color-primario);
    border-radius: var(--blog-borde-radio);
    color: var(--blog-texto-secundario);
    font-size: var(--blog-texto-sm);
}

.blog-related-posts-section {
    margin-top: var(--blog-espacio-2xl);
    padding-top: var(--blog-espacio-xl);
    border-top: 2px solid var(--blog-borde-color);
}

.blog-related-posts-section h2 {
    margin-bottom: var(--blog-espacio-lg);
    color: var(--blog-texto-principal);
    font-family: var(--blog-fuente-titulos);
    font-weight: var(--blog-peso-bold);
    font-size: var(--blog-texto-3xl);
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--blog-espacio-xs);
    color: var(--blog-color-primario);
    text-decoration: none;
    font-weight: var(--blog-peso-semibold);
    margin-top: var(--blog-espacio-sm);
    transition: all var(--blog-transicion-normal);
}

.blog-read-more:hover {
    gap: var(--blog-espacio-sm);
    color: var(--blog-color-secundario);
}

.blog-page-title {
    font-size: var(--blog-texto-4xl);
    font-family: var(--blog-fuente-titulos);
    font-weight: var(--blog-peso-extrabold);
    color: white;
    margin-bottom: var(--blog-espacio-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.blog-filter-info {
    background: var(--blog-fondo-principal);
    padding: var(--blog-espacio-md);
    border-radius: 12px;
    margin-bottom: var(--blog-espacio-lg);
    box-shadow: var(--blog-sombra-md);
}

.blog-empty-state {
    background: var(--blog-fondo-principal);
    border-radius: var(--blog-borde-radio-lg);
    padding: var(--blog-espacio-2xl) var(--blog-espacio-lg);
    text-align: center;
    box-shadow: var(--blog-sombra-lg);
}

.blog-empty-state i {
    font-size: 4rem;
    color: #cbd5e0;
    margin-bottom: var(--blog-espacio-sm);
}

.blog-empty-state h3 {
    font-size: var(--blog-texto-2xl);
    color: var(--blog-texto-principal);
    margin-bottom: var(--blog-espacio-sm);
}

.blog-empty-state p {
    color: var(--blog-texto-terciario);
    margin-bottom: var(--blog-espacio-md);
}

.blog-empty-state a {
    color: var(--blog-color-primario);
    text-decoration: none;
    font-weight: var(--blog-peso-semibold);
    padding: var(--blog-espacio-sm) var(--blog-espacio-md);
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--blog-borde-radio);
    display: inline-block;
    transition: all var(--blog-transicion-normal);
}

.blog-empty-state a:hover {
    background: var(--blog-color-primario);
    color: white;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .blog-nav ul {
        flex-direction: column;
        gap: var(--blog-espacio-xs);
    }

    .blog-post-header h1 {
        font-size: var(--blog-texto-3xl);
    }

    .blog-post-detail {
        padding: var(--blog-espacio-md);
    }

    .blog-page-title {
        font-size: var(--blog-texto-3xl);
    }

    .blog-search-form {
        flex-direction: column;
    }

    .blog-search-form input[type="text"] {
        max-width: 100%;
    }
}

/* ========== COMPATIBILIDAD CON CLASES ANTIGUAS ========== */

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--blog-espacio-lg, 2rem);
    margin-top: var(--blog-espacio-lg, 2rem);
    align-items: start;
}

.post-card {
    background: var(--blog-fondo-principal);
    border-radius: var(--blog-borde-radio-lg);
    overflow: hidden;
    box-shadow: var(--blog-sombra-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    display: flex;
    flex-direction: column;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--blog-fondo-gradiente);
    opacity: 0;
    transition: opacity var(--blog-transicion-normal);
}

.post-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.post-card:hover::before {
    opacity: 1;
}

/* Imagen de tarjeta */
.post-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.post-card-image a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-card-image img {
    transform: scale(1.05);
}

.post-card-image-placeholder {
    color: rgba(255, 255, 255, 0.6);
    font-size: 3rem;
}

.post-card-content {
    padding: var(--blog-espacio-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-content h2 {
    font-size: var(--blog-texto-xl, 1.25rem);
    margin-bottom: var(--blog-espacio-sm);
    color: var(--blog-texto-principal);
    font-family: var(--blog-fuente-titulos);
    font-weight: var(--blog-peso-bold);
    line-height: 1.4;
    flex-shrink: 0;
}

.post-card-content h2 a {
    color: inherit;
    text-decoration: none;
    transition: color var(--blog-transicion-normal);
}

.post-card-content h2 a:hover {
    color: var(--blog-color-primario);
}

.post-excerpt {
    color: var(--blog-texto-secundario);
    line-height: var(--blog-altura-linea-relajada);
    margin-bottom: var(--blog-espacio-sm);
    flex: 1;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--blog-espacio-xs);
    color: var(--blog-color-primario);
    text-decoration: none;
    font-weight: var(--blog-peso-semibold);
    margin-top: auto;
    transition: all var(--blog-transicion-normal);
    flex-shrink: 0;
}

.read-more:hover {
    gap: var(--blog-espacio-sm);
    color: var(--blog-color-secundario);
}

.post-meta {
    font-size: var(--blog-texto-sm);
    color: var(--blog-texto-terciario);
    margin-bottom: var(--blog-espacio-sm);
    display: flex;
    flex-wrap: wrap;
    gap: var(--blog-espacio-sm);
    align-items: center;
    flex-shrink: 0;
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.post-meta span i {
    color: var(--blog-color-primario);
}

@media (max-width: 768px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   POST CARDS SIN IMAGEN — banda de color por categoría
   ============================================================ */

.post-card--no-image {
    border-top: 6px solid #007bff;
    padding-top: 0;
}

.post-card--no-image::before {
    display: none;
}

.post-card--no-image .post-card-content {
    padding: 1.75rem 1.75rem 1.5rem 1.75rem;
}

.post-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #007bff;
    text-decoration: none;
    margin-bottom: 0.6rem;
    transition: opacity 0.2s ease;
}

.post-card-category:hover {
    opacity: 0.75;
    text-decoration: none;
}

/* Color por categoría — paleta corporativa TraductorEnVivo */

.post-card--cat-eventos,
.post-card--cat-eventos-empresariales {
    border-top-color: #007bff;
}
.post-card--cat-eventos .post-card-category,
.post-card--cat-eventos-empresariales .post-card-category {
    color: #007bff;
}

.post-card--cat-guias,
.post-card--cat-guias-y-tutoriales {
    border-top-color: #00d1b2;
}
.post-card--cat-guias .post-card-category,
.post-card--cat-guias-y-tutoriales .post-card-category {
    color: #00a389;
}

.post-card--cat-comparativa-y-alternativas {
    border-top-color: #E36E00;
}
.post-card--cat-comparativa-y-alternativas .post-card-category {
    color: #E36E00;
}

.post-card--cat-medicina {
    border-top-color: #dc3545;
}
.post-card--cat-medicina .post-card-category {
    color: #dc3545;
}

.post-card--cat-tecnologia-e-innovacion {
    border-top-color: #71007E;
}
.post-card--cat-tecnologia-e-innovacion .post-card-category {
    color: #71007E;
}

.post-card--cat-caso-de-uso-y-aplicaciones {
    border-top-color: #00a389;
}
.post-card--cat-caso-de-uso-y-aplicaciones .post-card-category {
    color: #00a389;
}

.post-card--cat-uncategorized {
    border-top-color: #6c757d;
}
.post-card--cat-uncategorized .post-card-category {
    color: #6c757d;
}

/* Sin imagen: hover más sutil (no hay zoom de foto) */
.post-card--no-image:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(102, 126, 234, 0.18);
}

/* Densidad superior — más posts por fila en escritorio */
.posts-grid--no-image {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}