/**
 * Vinifera Editorial - Estilos Web Publica
 * Diseño elegante y minimalista
 */

/* ========================================
   VARIABLES Y RESET
   ======================================== */
:root {
    --color-primary: #8B2346;
    --color-secondary: #C9A227;
    --color-text: #222222;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-background: #FFFFFF;
    --color-background-alt: #F8F8F8;
    --color-border: #E5E5E5;
    --font-primary: 'Playfair Display', 'Times New Roman', Georgia, serif;
    --font-body: 'Roboto', Arial, sans-serif;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-background);
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-primary);
}

img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   HEADER
   ======================================== */
.site-header {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    border-bottom: 1px solid var(--color-border);
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

.menu-toggle:hover span {
    background-color: var(--color-primary);
}

.site-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.site-logo-img {
    height: 60px;
    width: auto;
}

.site-logo-text {
    font-family: var(--font-primary);
    font-size: 28px;
    letter-spacing: 8px;
    font-weight: 400;
    color: var(--color-text);
    text-transform: uppercase;
}

.site-logo-text span {
    display: block;
    font-size: 12px;
    letter-spacing: 4px;
    text-align: center;
    font-family: var(--font-secondary);
    font-weight: 300;
    margin-top: -5px;
}

.header-social {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-social a {
    color: var(--color-text);
    font-size: 18px;
}

.header-social a:hover {
    color: var(--color-primary);
}

.header-chile-logo {
    height: 35px;
    width: auto;
    margin-left: 10px;
}

/* ========================================
   SIDEBAR / MENU LATERAL
   ======================================== */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar {
    position: fixed;
    top: 0;
    left: -450px;
    width: 450px;
    max-width: 90%;
    height: 100%;
    background: var(--color-background);
    z-index: 1001;
    transition: var(--transition);
    overflow-y: auto;
    display: flex;
}

.sidebar.active {
    left: 0;
}

.sidebar-left {
    width: 50%;
    padding: 40px 30px;
    border-right: 1px solid var(--color-border);
}

.sidebar-right {
    width: 50%;
    padding: 40px 30px;
}

.sidebar-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text);
}

.sidebar-close:hover {
    color: var(--color-primary);
}

.sidebar-logo {
    text-align: center;
    margin-bottom: 40px;
}

.sidebar-logo-img {
    width: 150px;
    height: auto;
}

.sidebar-section {
    margin-bottom: 30px;
}

.sidebar-section-title {
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 15px;
}

.sidebar-section h3 {
    font-family: var(--font-primary);
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 15px;
}

.sidebar-section p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    text-align: justify;
}

.sidebar-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.sidebar-social a {
    color: var(--color-text);
    font-size: 18px;
}

.sidebar-social a:hover {
    color: var(--color-primary);
}

.sidebar-nav-title {
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 12px;
}

.sidebar-nav a {
    font-size: 16px;
    color: var(--color-text);
    font-family: var(--font-primary);
}

.sidebar-nav a:hover {
    color: var(--color-primary);
}

.sidebar-chile-logo {
    margin-top: 40px;
    text-align: center;
}

.sidebar-chile-logo img {
    width: 100px;
    padding: 10px;
}

/* ========================================
   CONTENIDO PRINCIPAL
   ======================================== */
.main-content {
    padding: 40px;
    max-width: 1600px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 400;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-text);
}

/* ========================================
   GRID DE PUBLICACIONES
   ======================================== */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

@media (max-width: 1200px) {
    .publications-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .publications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .publications-grid {
        grid-template-columns: 1fr;
    }
}

.publication-card {
    text-align: center;
}

.publication-card-image {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    margin-bottom: 15px;
}

.publication-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.publication-card-author {
    font-size: 13px;
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.publication-card-title {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.4;
}

.publication-card-title:hover {
    color: var(--color-primary);
}

/* ========================================
   DETALLE DE PUBLICACION - NUEVO LAYOUT
   ======================================== */
.publication-detail {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px 60px;
}

/* Numero de articulo */
.publication-article-number {
    text-align: right;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 10px;
    font-style: italic;
}

/* Imagen hero principal */
.publication-hero-image {
    width: 100%;
    max-width: 950px;
    margin: 0 auto 40px;
}

.publication-hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Header de la publicacion */
.publication-header {
    text-align: center;
    margin-bottom: 50px;
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
}

.publication-title {
    font-family: var(--font-primary);
    font-size: 42px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--color-text);
}

.publication-author {
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    margin-bottom: 5px;
}

.publication-date {
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}

/* Contenido principal */
.publication-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* Secciones de contenido */
.content-section {
    margin-bottom: 60px;
}

/* Texto con estilo editorial */
.content-text {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text);
    text-align: justify;
}

.content-text p,
.content-text br+br {
    margin-bottom: 30px;
}

/* Seccion con sidebar (texto + cita destacada) */
.content-with-sidebar {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.content-with-sidebar .content-main {
    flex: 2;
}

.content-with-sidebar .content-sidebar {
    flex: 1;
    position: sticky;
    top: 40px;
}

/* Texto destacado / Quote */
.highlighted-text {
    padding: 25px;
    border-left: 3px solid var(--color-text-muted);
    background: transparent;
}

.highlighted-label {
    display: block;
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.highlighted-text p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--color-text);
    text-align: justify;
    margin: 0;
}

/* Seccion imagen + texto (50/50) */
.content-image-text,
.content-text-image {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

.content-image-text .content-image,
.content-text-image .content-image {
    flex: 1;
    max-width: 50%;
}

.content-image-text .content-text,
.content-text-image .content-text {
    flex: 1;
    max-width: 50%;
}

.content-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Seccion de texto completo */
.content-full {
    width: 100%;
}

/* Subtitulos */
.content-subtitle {
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color-border);
}

/* Galeria de imagenes */
.content-gallery {
    width: 100%;
}

.gallery-grid {
    display: flex;
    gap: 20px;
}

.gallery-grid.gallery-1 .gallery-item {
    flex: 1;
    max-width: 100%;
}

.gallery-grid.gallery-2 .gallery-item {
    flex: 1;
    max-width: 50%;
}

.gallery-grid.gallery-3 .gallery-item {
    flex: 1;
    max-width: 33.333%;
}

.gallery-item {
    margin: 0;
}

.gallery-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

/* Responsive para detalle de publicacion */
@media (max-width: 1024px) {
    .publication-detail {
        padding: 20px;
    }

    .content-with-sidebar {
        flex-direction: column;
        gap: 40px;
    }

    .content-with-sidebar .content-sidebar {
        position: static;
    }

    .content-image-text,
    .content-text-image {
        flex-direction: column;
        gap: 30px;
    }

    .content-image-text .content-image,
    .content-text-image .content-image,
    .content-image-text .content-text,
    .content-text-image .content-text {
        max-width: 100%;
    }

    /* En movil, mantener orden visual */
    .content-text-image {
        flex-direction: column-reverse;
    }
}

@media (max-width: 768px) {
    .publication-title {
        font-size: 28px;
    }

    .content-text {
        font-size: 15px;
        line-height: 1.8;
    }

    .gallery-grid {
        flex-direction: column;
    }

    .gallery-grid.gallery-2 .gallery-item,
    .gallery-grid.gallery-3 .gallery-item {
        max-width: 100%;
    }

    .gallery-item img {
        height: 220px;
    }
}

/* ========================================
   TABS DE FILTRADO POR TEMATICA
   ======================================== */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.filter-tab {
    display: inline-block;
    padding: 10px 20px;
    font-size: 13px;
    font-family: var(--font-body);
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-light);
    background: transparent;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    text-decoration: none;
}

.filter-tab:hover {
    color: var(--color-text);
    border-color: var(--color-text);
    background: var(--color-background-alt);
}

.filter-tab.active {
    color: var(--color-background);
    background: var(--color-text);
    border-color: var(--color-text);
}

@media (max-width: 768px) {
    .filter-tabs {
        gap: 8px;
        margin-bottom: 30px;
    }
    
    .filter-tab {
        padding: 8px 14px;
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .filter-tabs {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-tab {
        text-align: center;
    }
}

/* ========================================
   LIBROS
   ======================================== */
.books-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

@media (max-width: 1200px) {
    .books-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .books-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .books-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }
}

.book-card {
    text-align: center;
}

.book-card-image {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    margin-bottom: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    position: relative;
    background: var(--color-background-alt);
}

.book-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.book-card:hover .book-card-image img {
    transform: scale(1.02);
}

/* PDF Thumbnail Styles */
.book-card-image.pdf-container {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.book-card-image .pdf-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.book-card:hover .pdf-thumbnail {
    transform: scale(1.02);
}

.book-card-image .pdf-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--color-text-muted);
    font-size: 14px;
    background: var(--color-background-alt);
}

.book-card-image .pdf-loading i {
    font-size: 32px;
    color: var(--color-primary);
}

.book-card-image .pdf-loading span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.book-card-image .pdf-error {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--color-text-muted);
    font-size: 14px;
    background: var(--color-background-alt);
}

.book-card-image .pdf-error i {
    font-size: 64px;
    color: var(--color-primary);
}

.book-card-image .pdf-error span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.book-card-title {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.4;
}

.book-card-date {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 5px;
}

/* ========================================
   INFORMES
   ======================================== */
.reports-list {
    max-width: 800px;
    margin: 0 auto;
}

.report-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.report-info h3 {
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 5px;
}

.report-info span {
    font-size: 13px;
    color: var(--color-text-muted);
}

.report-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid var(--color-text);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.report-download:hover {
    background: var(--color-text);
    color: var(--color-background);
}

/* ========================================
   PAGINACION
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    font-size: 14px;
    transition: var(--transition);
}

.pagination a:hover {
    border-color: var(--color-text);
}

.pagination .active {
    background: var(--color-text);
    color: var(--color-background);
    border-color: var(--color-text);
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
    padding: 40px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    margin-top: 60px;
}

.footer-logo {
    font-family: var(--font-primary);
    font-size: 18px;
    letter-spacing: 4px;
    margin-bottom: 15px;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.footer-social a {
    color: var(--color-text);
    font-size: 18px;
}

.footer-social a:hover {
    color: var(--color-primary);
}

.footer-copyright {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ========================================
   PAGINA NOSOTROS
   ======================================== */
.about-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.about-page h1 {
    font-family: var(--font-primary);
    font-size: 36px;
    font-weight: 400;
    text-align: center;
    margin-bottom: 40px;
}

.about-page p {
    font-size: 17px;
    line-height: 1.9;
    margin-bottom: 25px;
    text-align: justify;
}

.about-info-section {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

.about-info-section p {
    margin-bottom: 15px;
}

.about-info-section p:last-child {
    margin-bottom: 0;
}

.about-info-section h2 {
    font-family: var(--font-primary);
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 25px;
}

/* Contact Box */
.contact-box {
    margin-top: 50px;
    padding: 30px;
    background: var(--color-background-alt);
    border: 1px solid var(--color-border);
}

.contact-box h3 {
    font-family: var(--font-primary);
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color-border);
}

.contact-box p {
    margin-bottom: 15px;
}

.contact-box p:last-child {
    margin-bottom: 0;
}

.contact-box a {
    color: var(--color-secondary);
    text-decoration: none;
}

.contact-box a:hover {
    text-decoration: underline;
}

/* ========================================
   UTILIDADES
   ======================================== */
.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 40px;
}

.mt-4 {
    margin-top: 40px;
}

/* Mensaje sin resultados */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.no-results h3 {
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 15px;
    color: var(--color-text);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .site-header {
        padding: 15px 20px;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .site-logo {
        position: static;
        transform: none;
        order: 2;
        width: 100%;
        text-align: center;
        margin-top: 15px;
    }

    .menu-toggle {
        order: 1;
    }

    .header-social {
        order: 1;
        gap: 10px;
    }

    .site-logo-text {
        font-size: 20px;
        letter-spacing: 4px;
    }

    .site-logo-text span {
        font-size: 10px;
    }

    .chile-logo {
        width: 40px;
    }

    .main-content {
        padding: 20px;
    }

    .section-title {
        font-size: 20px;
    }

    .sidebar {
        width: 100%;
        flex-direction: column;
    }

    .sidebar-left,
    .sidebar-right {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .publication-detail-title {
        font-size: 26px;
    }
}