/* ===== BLOG INDEX ===== */

/* Hero de la sección del blog */
.blog-hero {
    background: linear-gradient(135deg, var(--bazical-primary) 0%, var(--bazical-secondary) 100%);
    color: white;
    padding: 7rem 0 4rem;
    text-align: center;
}

.blog-hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-hero__subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Sección principal del índice */
.blog-index {
    padding: 4rem 0 6rem;
    background: #f8f9fa;
    min-height: 60vh;
}

/* Filtros de categoría */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.blog-filter-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 1.4rem;
    border: 2px solid transparent;
    border-radius: 50px;
    background: white;
    color: var(--bazical-primary);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    font-family: inherit;
    line-height: 1;
    box-shadow: 0 1px 4px rgba(85, 53, 117, 0.15), inset 0 0 0 2px var(--bazical-accent);
}

.blog-filter-btn:hover {
    background: var(--bazical-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(155, 139, 199, 0.4);
}

.blog-filter-btn:focus-visible {
    outline: 2px solid var(--bazical-pink);
    outline-offset: 2px;
}

.blog-filter-btn.active {
    background: var(--bazical-pink);
    color: white;
    box-shadow: 0 6px 18px rgba(217, 70, 168, 0.45), inset 0 0 0 2px var(--bazical-pink);
    transform: translateY(-1px);
}

.blog-filter-btn.active:hover {
    background: var(--bazical-pink-hover);
    box-shadow: 0 8px 20px rgba(217, 70, 168, 0.5), inset 0 0 0 2px var(--bazical-pink-hover);
    transform: translateY(-2px);
}

/* Grilla de artículos */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Tarjeta de artículo */
.article-card {
    background: white;
    border-radius: 20px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.article-card__link {
    display: flex;
    flex-direction: column;
    flex: 1;
    text-decoration: none;
    color: inherit;
}

/* Imagen / placeholder de portada */
.article-card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #e5e7eb;
    flex-shrink: 0;
}

.article-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.article-card:hover .article-card__image img {
    transform: scale(1.04);
}

/* Placeholder cuando no hay imagen de portada */
.article-card__placeholder {
    position: absolute;
    inset: 0;
    background: var(--bazical-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-card__placeholder img {
    max-width: 50%;
    max-height: 50%;
    object-fit: contain;
    opacity: 0.85;
    filter: brightness(0) invert(1);
    /* Cancelar transform heredado del hover sobre la imagen de portada */
    transform: none !important;
}

/* Cuando la imagen de portada carga correctamente, ocultar el placeholder */
.article-card__image .article-card__cover-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

/* Cuerpo de la tarjeta */
.article-card__body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.625rem;
}

.article-card__category {
    display: inline-block;
    background: linear-gradient(135deg, var(--bazical-primary), var(--bazical-secondary));
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    align-self: flex-start;
}

.article-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.35;
    margin: 0;
}

.article-card__summary {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.article-card__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid #e5e7eb;
    margin-top: auto;
}

.article-card__meta time {
    font-size: 0.8rem;
    color: #888;
}

/* Estado vacío — sin artículos publicados */
.blog-empty {
    text-align: center;
    padding: 4rem 1.5rem;
    color: #666;
}

.blog-empty__icon {
    font-size: 3rem;
    color: var(--bazical-accent);
    margin-bottom: 1.25rem;
}

.blog-empty__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 0.75rem;
}

.blog-empty__text {
    font-size: 1rem;
    max-width: 420px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Controles de paginación */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.blog-pagination__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    background: white;
    color: #1a1a1a;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    line-height: 1;
    text-decoration: none;
}

.blog-pagination__btn:hover:not(:disabled):not([aria-disabled="true"]) {
    background: var(--bazical-primary);
    border-color: var(--bazical-primary);
    color: white;
    transform: translateY(-1px);
}

.blog-pagination__btn.active {
    background: var(--bazical-pink);
    border-color: var(--bazical-pink);
    color: white;
}

.blog-pagination__btn:disabled,
.blog-pagination__btn[aria-disabled="true"] {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* Banner de error — artículo no encontrado */
.blog-error-banner {
    background: #fff7ed;
    border: 1.5px solid #f97316;
    border-left: 5px solid #f97316;
    color: #7c2d12;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.blog-error-banner[hidden] {
    display: none;
}

.blog-error-banner__icon {
    font-size: 1.25rem;
    color: #f97316;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.blog-error-banner__text {
    flex: 1;
}

.blog-error-banner__text strong {
    display: block;
    margin-bottom: 0.2rem;
    font-weight: 700;
}

/* ===== RESPONSIVE ===== */

/* Tablet — 2 columnas */
@media (max-width: 900px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

/* Mobile — 1 columna */
@media (max-width: 768px) {
    .blog-hero {
        padding: 6rem 0 3rem;
    }

    .blog-hero__title {
        font-size: 1.875rem;
    }

    .blog-hero__subtitle {
        font-size: 1rem;
    }

    .blog-index {
        padding: 3rem 0 4rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .article-card__body {
        padding: 1.25rem;
    }

    .blog-filters {
        gap: 0.5rem;
        margin-bottom: 2rem;
    }

    .blog-filter-btn {
        font-size: 0.8rem;
        padding: 0.45rem 1rem;
    }

    .blog-pagination {
        gap: 0.375rem;
    }

    .blog-pagination__btn {
        min-width: 2.25rem;
        height: 2.25rem;
        font-size: 0.85rem;
    }
}

/* Accesibilidad — movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    .article-card,
    .article-card__image img,
    .blog-filter-btn,
    .blog-pagination__btn {
        transition: none;
    }

    .article-card:hover {
        transform: none;
    }

    .article-card:hover .article-card__image img {
        transform: none;
    }
}

/* ===== ARTICLE PAGE ===== */

/* Hero de portada del artículo */
.article-hero {
    position: relative;
    width: 100%;
    max-height: 480px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bazical-primary) 0%, var(--bazical-secondary) 100%);
}

.article-hero__img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    display: block;
}

/* Metadatos del artículo — autor, fecha, categoría */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.article-meta__author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.article-meta__author i {
    color: var(--bazical-accent);
}

.article-meta__date {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.article-meta__date i {
    color: var(--bazical-accent);
}

.article-meta__category {
    display: inline-block;
    background: linear-gradient(135deg, var(--bazical-primary), var(--bazical-secondary));
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

/* Cuerpo del artículo */
.article-body {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.article-body p {
    font-size: 1rem; /* mínimo 16px */
    line-height: 1.75;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.article-body h2 {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--bazical-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.article-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bazical-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.article-body pre {
    margin-bottom: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
}

.article-body pre > code {
    display: block;
    background: #1e1e2e;
    color: #cdd6f4;
    font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    white-space: pre;
}

/* Código inline (no dentro de pre) */
.article-body code {
    background: #f1f0f6;
    color: var(--bazical-primary);
    font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.875em;
    padding: 0.15em 0.45em;
    border-radius: 4px;
}

.article-body blockquote {
    border-left: 4px solid var(--bazical-accent);
    padding: 0.75rem 0 0.75rem 1.25rem;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    font-style: italic;
    background: rgba(155, 139, 199, 0.06);
    border-radius: 0 8px 8px 0;
}

.article-body blockquote p {
    margin-bottom: 0;
}

.article-body ul,
.article-body ol {
    padding-left: 1.75rem;
    margin-bottom: 1.5rem;
    line-height: 1.75;
}

.article-body ul li,
.article-body ol li {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.article-body ul li::marker {
    color: var(--bazical-accent);
}

.article-body ol li::marker {
    color: var(--bazical-primary);
    font-weight: 600;
}

/* Bloque CTA al final del artículo */
.article-cta {
    background: linear-gradient(135deg, var(--bazical-primary) 0%, var(--bazical-secondary) 100%);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    margin: 3rem auto;
    max-width: 720px;
    color: white;
}

.article-cta__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.article-cta__text {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 1.75rem;
    line-height: 1.6;
}

/* El botón usa .btn.btn-course de modern.css — solo se sobreescribe el hover
   para que funcione sobre el fondo oscuro del CTA, sin tocar colores/padding base */
.article-cta .btn-course:hover {
    opacity: 0.92;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* Artículos relacionados */
.related-articles {
    padding: 4rem 0 6rem;
    background: #f8f9fa;
}

.related-articles__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-align: center;
}

.related-articles__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Sección contenedora de la página del artículo */
.article-page {
    padding-top: 80px; /* compensar navbar fija */
}

.article-page__content {
    padding: 3rem 0 2rem;
    background: white;
}

/* ===== RESPONSIVE — ARTICLE PAGE ===== */

@media (max-width: 900px) {
    .related-articles__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .article-hero {
        max-height: 280px;
    }

    .article-hero__img {
        max-height: 280px;
    }

    .article-meta {
        gap: 0.625rem;
        font-size: 0.85rem;
    }

    .article-body {
        width: 100%;
        padding: 0 1.25rem;
        box-sizing: border-box;
    }

    /* Garantizar fuente ≥ 16px en móvil — sin desbordamiento horizontal */
    .article-body p,
    .article-body ul li,
    .article-body ol li {
        font-size: 1rem; /* 16px */
    }

    .article-body h2 {
        font-size: 1.375rem;
    }

    .article-body h3 {
        font-size: 1.125rem;
    }

    .article-body pre > code {
        font-size: 0.825rem;
        /* Permite scroll horizontal del bloque de código sin romper el layout */
        overflow-x: auto;
        max-width: 100%;
        white-space: pre;
    }

    .article-cta {
        padding: 2rem 1.5rem;
        margin: 2rem 1rem;
        border-radius: 16px;
    }

    .article-cta__title {
        font-size: 1.25rem;
    }

    .related-articles__grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .related-articles {
        padding: 3rem 0 4rem;
    }
}

/* Accesibilidad — movimiento reducido (Article_Page) */
@media (prefers-reduced-motion: reduce) {
    .article-cta .btn-course {
        transition: none;
    }
}