/* ==========================================================================
   Blog Maines — estilos de /blog/ (portada, categorías, artículos, buscador)
   Se carga solo en las páginas del blog, después de maines.css.
   ========================================================================== */

/* Hero con buscador */
.bg-hero .mx-pagehead__in { align-items: center; }
.bg-buscar { display: flex; align-items: center; background: #fff; border-radius: 999px; padding: 3px 3px 3px 16px; width: min(340px, 100%); box-shadow: 0 4px 18px rgba(0,0,0,.18); }
.bg-buscar input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font: 500 .94rem var(--mx-font); color: var(--mx-ink); padding: 8px 4px; }
.bg-buscar input::placeholder { color: #8a8fa0; }
.bg-buscar button { flex: none; width: 36px; height: 36px; border: 0; border-radius: 50%; background: var(--mx-primary); color: #fff; display: grid; place-items: center; cursor: pointer; }
.bg-buscar button:hover { background: var(--mx-primary-hover); }
.bg-buscar:focus-within { box-shadow: 0 0 0 3px rgba(196,179,255,.7), 0 4px 18px rgba(0,0,0,.18); }
@media (max-width: 700px) { .bg-buscar { width: 100%; } }

/* Tira de filtros fija */
.bg-filtros { position: sticky; top: var(--mx-header-h); z-index: 900; background: rgba(255,255,255,.96); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--mx-line); }
.bg-filtros__in { display: flex; align-items: center; gap: 12px; min-height: 56px; }
.bg-filtros__label { flex: none; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--mx-muted); }
.bg-filtros__chips { display: flex; gap: 8px; list-style: none; margin: 0; padding: 10px 0; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.bg-filtros__chips::-webkit-scrollbar { display: none; }
.bg-chip { display: inline-block; white-space: nowrap; font: 600 .9rem var(--mx-font); padding: 7px 15px; border-radius: 999px; border: 1.5px solid var(--mx-line); background: #fff; color: var(--mx-ink); text-decoration: none; transition: border-color .15s, color .15s; }
.bg-chip:hover { border-color: var(--mx-primary); color: var(--mx-primary); }
.bg-chip.is-on { background: var(--mx-primary); border-color: var(--mx-primary); color: #fff; }
@media (max-width: 620px) {
  .bg-filtros__label { display: none; }
  .bg-filtros__in { padding-right: 0; }
  .bg-filtros__chips { padding-right: 20px; }
}

/* Listados */
.bg-lista { padding-top: 32px; }
.bg-lista__head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px 20px; flex-wrap: wrap; margin-bottom: 22px; }
.bg-lista__titulo { font-size: 1.4rem; font-weight: 800; letter-spacing: -.01em; margin: 0; color: var(--mx-ink); }
.bg-lista__intro { margin: 0; max-width: 720px; color: var(--mx-text); font-size: 1.02rem; }
.bg-lista__cuenta { color: var(--mx-muted); font-size: .9rem; white-space: nowrap; }

.bg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 960px) { .bg-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .bg-grid { grid-template-columns: 1fr; } }
.bg-grid__ad { grid-column: 1 / -1; }

/* Tarjeta de artículo (toda la tarjeta es clicable por el enlace del título) */
.bg-card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--mx-line); border-radius: var(--mx-radius); overflow: hidden; transition: border-color .15s, box-shadow .15s, transform .15s; }
.bg-card:hover { border-color: var(--mx-primary); box-shadow: var(--mx-shadow); transform: translateY(-2px); }
.bg-card__img { display: block; aspect-ratio: 16 / 9; background: #e5e7eb; overflow: hidden; }
.bg-card__img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .25s; }
.bg-card:hover .bg-card__img img { transform: scale(1.03); }
.bg-card__img--vacia { background: linear-gradient(135deg, var(--mx-primary-light), #dfe9ff); }
.bg-card__body { display: flex; flex-direction: column; flex: 1; padding: 16px 20px 20px; }
.bg-card__meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 0 0 8px; font-size: .82rem; color: var(--mx-muted); }
.bg-card__title { font-size: 1.08rem; line-height: 1.35; margin: 0 0 8px; font-weight: 700; }
.bg-card__title a { color: var(--mx-ink); text-decoration: none; }
.bg-card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.bg-card:hover .bg-card__title a { color: var(--mx-primary); }
.bg-card__desc { margin: 0; font-size: .93rem; line-height: 1.5; color: var(--mx-muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.bg-card__more { margin-top: auto; padding-top: 14px; font-weight: 600; font-size: .9rem; color: var(--mx-primary); }

/* Etiqueta de categoría (queda por encima del enlace de la tarjeta) */
.bg-tag { position: relative; z-index: 2; display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--mx-primary); background: var(--mx-primary-light); padding: 3px 9px; border-radius: 999px; text-decoration: none; }
.bg-tag:hover { background: var(--mx-primary); color: #fff; }

/* Paginación */
.bg-pag { display: flex; justify-content: center; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 36px; }
.bg-pag__num, .bg-pag__btn { min-width: 40px; height: 40px; padding: 0 12px; display: inline-grid; place-items: center; border-radius: 999px; border: 1.5px solid var(--mx-line); font-weight: 600; font-size: .92rem; color: var(--mx-ink); text-decoration: none; background: #fff; }
.bg-pag a:hover { border-color: var(--mx-primary); color: var(--mx-primary); }
.bg-pag__num.is-on { background: var(--mx-primary); border-color: var(--mx-primary); color: #fff; }

/* Categoría sin artículos todavía */
.bg-vacio { text-align: center; padding: 48px 24px; border: 1.5px dashed var(--mx-line); border-radius: var(--mx-radius); background: var(--mx-soft); }
.bg-vacio h2 { font-size: 1.25rem; margin: 0 0 8px; color: var(--mx-ink); }
.bg-vacio p { margin: 0; color: var(--mx-muted); }

/* Artículo */
.bg-art__head { padding: 28px 0 8px; }
.bg-migas { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .86rem; color: var(--mx-muted); margin-bottom: 14px; }
.bg-migas a { color: var(--mx-muted); text-decoration: none; }
.bg-migas a:hover { color: var(--mx-primary); text-decoration: underline; }
.bg-art__cats { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 10px; }
.bg-art__head h1 { font-size: clamp(1.75rem, 3.8vw, 2.5rem); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 12px; color: var(--mx-ink); text-wrap: balance; }
.bg-art__sum { font-size: 1.14rem; line-height: 1.5; color: var(--mx-muted); margin: 0 0 14px; }
.bg-art__meta { font-size: .88rem; color: var(--mx-muted); margin: 0; padding-bottom: 18px; border-bottom: 1px solid var(--mx-line); }
.bg-art__meta strong { color: var(--mx-ink); font-weight: 600; }
.bg-art__body { padding: 22px 0 56px; }
.bg-art__body .mx-video { margin: 1.4em 0; }
.bg-art__portada { margin: 0 0 24px; }
.bg-art__portada img { display: block; width: 100%; border-radius: var(--mx-radius); }
.bg-fig { margin: 1.4em 0; }
.bg-fig img { display: block; max-width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--mx-line); }
.bg-fig figcaption { font-size: .86rem; color: var(--mx-muted); margin-top: 6px; text-align: center; }
.mx-prose table { display: block; overflow-x: auto; }
@media (min-width: 621px) { .mx-prose table { display: table; } }

/* Índice del artículo */
.bg-toc { background: var(--mx-soft); border: 1px solid var(--mx-line); border-radius: var(--mx-radius); padding: 16px 20px; margin: 0 0 8px; }
.bg-toc__titulo { font-weight: 700; color: var(--mx-ink); margin: 0 0 6px; font-size: .95rem; }
.bg-toc ol { margin: 0; padding-left: 20px; }
.bg-toc li { margin: 4px 0; font-size: .95rem; }
.bg-toc a { color: var(--mx-text); text-decoration: none; }
.bg-toc a:hover { color: var(--mx-primary); text-decoration: underline; }

/* Llamada a la acción y autor */
.bg-cta { margin-top: 2.4em; padding: 22px 24px; border-radius: var(--mx-radius); background: linear-gradient(135deg, var(--mx-primary-light), #e6efff); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.bg-cta__titulo { margin: 0; font-weight: 700; font-size: 1.06rem; color: var(--mx-primary-dark); }
.bg-cta p:not(.bg-cta__titulo) { margin: 4px 0 0; color: var(--mx-text); font-size: .95rem; }
.bg-autor { display: flex; gap: 14px; align-items: center; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--mx-line); }
.bg-autor__ini { flex: none; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--mx-primary); color: #fff; font-weight: 800; font-size: 1.2rem; }
.bg-autor p { margin: 0; font-size: .9rem; color: var(--mx-muted); }
.bg-autor .bg-autor__nombre { font-weight: 700; color: var(--mx-ink); font-size: .98rem; }

/* Relacionados */
.bg-rel { background: var(--mx-soft); padding: 48px 0 60px; }
.bg-rel .bg-lista__titulo { margin-bottom: 20px; }

/* Anuncios (solo existen cuando AdSense está activo en publicar_blog.py) */
.bg-ad { margin: 1.6em 0; min-height: 90px; }

/* Lectura cómoda en los artículos: un poco más de letra e interlineado, renglones de largo moderado */
.bg-art .mx-narrow { max-width: 860px; }
.bg-art .mx-prose { font-size: 1.1rem; line-height: 1.75; }
.bg-art .mx-prose h2 { font-size: 1.55rem; }
.bg-art .mx-prose h3 { font-size: 1.22rem; }
.bg-art .mx-prose table { font-size: 1rem; }
@media (max-width: 620px) {
  .bg-art .mx-prose { font-size: 1.05rem; line-height: 1.7; }
  .bg-art .mx-prose h2 { font-size: 1.35rem; }
}

/* Botones para compartir */
.bg-share { margin-top: 2.2em; padding-top: 20px; border-top: 1px solid var(--mx-line); }
.bg-share__titulo { margin: 0 0 10px; font-weight: 700; color: var(--mx-ink); font-size: .95rem; }
.bg-share__btns { display: flex; flex-wrap: wrap; gap: 8px; }
.bg-share__btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: 999px; border: 1.5px solid var(--mx-line); background: #fff; color: var(--mx-ink); font: 600 .88rem var(--mx-font); text-decoration: none; cursor: pointer; transition: border-color .15s, color .15s, background .15s; }
.bg-share__btn:hover { border-color: currentColor; }
.bg-share__btn--whatsapp:hover { color: #128c4a; background: #effaf3; }
.bg-share__btn--facebook:hover { color: #1877f2; background: #eef4ff; }
.bg-share__btn--linkedin:hover { color: #0a66c2; background: #edf4fb; }
.bg-share__btn--x:hover { color: #000; background: #f2f2f2; }
.bg-share__btn--copiar:hover { color: var(--mx-primary); background: var(--mx-primary-light); }
.bg-share + .bg-cta { margin-top: 1.6em; }
@media (max-width: 420px) { .bg-share__btn span { display: none; } .bg-share__btn { padding: 10px 12px; } .bg-share__btn--copiar span { display: inline; } }