/* ============================================================
   css/articulos-publicos.css - Página pública de artículos
   ============================================================ */

:root {
    --primary-blue: #004d8c;
    --dark-blue: #002e5b;
    --accent-blue: #0072ce;
    --card-bg: #eef3f8;
    --text-dark: #222222;
    --text-gray: #666666;
    --bg-body: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-mode {
    --bg-body: #0f172a;
    --card-bg: #1e293b;
    --text-dark: #f1f5f9;
    --text-gray: #94a3b8;
    --border-color: #334155;
    --shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.6);
}

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

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-body);
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

a { text-decoration: none; color: var(--accent-blue); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }

/* TEMA OSCURO FLOTANTE */
.theme-toggle-float {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 48px; height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: var(--card-bg);
    color: var(--text-dark);
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    z-index: 999;
}

.theme-toggle-float:hover { transform: scale(1.08); }

/* HEADER */
.top-header {
    background: var(--bg-body);
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.brand-logo { display: flex; align-items: center; gap: 12px; }
.logo-img { height: 60px; }

.brand-text .sub-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 0.5px;
    display: block;
}

.brand-text .main-title {
    font-size: 1.25rem;
    color: var(--primary-blue);
    line-height: 1.1;
}

body.dark-mode .brand-text .main-title { color: #60a5fa; }

.brand-text .location { font-size: 0.8rem; color: var(--text-gray); }

.header-slogan p {
    font-family: 'Montserrat', sans-serif;
    font-style: italic;
    color: var(--primary-blue);
    font-weight: 600;
    text-align: center;
    font-size: 0.95rem;
}

body.dark-mode .header-slogan p { color: #60a5fa; }

.search-box {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    border-radius: 20px;
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    width: 240px;
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    font-size: 0.85rem;
    color: var(--text-dark);
}

.search-box button {
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
}

/* NAVEGACIÓN */
.main-nav { background: var(--primary-blue); }
body.dark-mode .main-nav { background: #1a2332; }

.nav-list {
    display: flex;
    list-style: none;
    overflow-x: auto;
    white-space: nowrap;
}

.nav-list li a {
    display: block;
    padding: 12px 14px;
    color: #ffffff;
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 600;
    transition: background 0.2s;
}

.nav-list li.active a,
.nav-list li a:hover { background: var(--dark-blue); }

/* ENCABEZADO */
.articulos-header {
    background: var(--card-bg);
    padding: 25px 0;
    margin-bottom: 20px;
    border-bottom: 4px solid var(--primary-blue);
}

.articulos-header-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.articulos-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.articulos-info h1 {
    font-size: 1.6rem;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.articulos-info p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* FILTROS */
.filtros-articulos {
    margin-bottom: 25px;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 14px 18px;
    border: 1px solid var(--border-color);
}

.filtros-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
}

.filtro-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filtro-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-gray);
}

.filtro-group select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-body);
    color: var(--text-dark);
    font-size: 0.85rem;
    cursor: pointer;
}

.btn-limpiar {
    display: inline-block;
    background: var(--bg-body);
    color: var(--text-dark);
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-limpiar:hover {
    background: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
}

/* LAYOUT */
.main-layout {
    display: grid;
    grid-template-columns: 1fr 310px;
    gap: 25px;
    padding: 0 0 40px 0;
}

/* GRID DE ARTÍCULOS */
.articulos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.articulo-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.articulo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.articulo-card .card-image {
    position: relative;
    height: 160px;
    overflow: hidden;
}

.articulo-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.articulo-card:hover .card-image img {
    transform: scale(1.08);
}

.articulo-card .card-image .card-categoria {
    position: absolute;
    bottom: 8px;
    left: 8px;
    color: #ffffff;
    padding: 3px 12px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
}

.articulo-card .card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.articulo-card .card-body h3 {
    font-size: 1rem;
    line-height: 1.3;
}

.articulo-card .card-body h3 a {
    color: var(--text-dark);
}

.articulo-card .card-body h3 a:hover {
    color: var(--accent-blue);
}

.articulo-card .card-body p {
    font-size: 0.85rem;
    color: var(--text-gray);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.7rem;
    color: var(--text-gray);
    margin: 4px 0;
}

.card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.card-link {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-blue);
    align-self: flex-start;
}

.card-link:hover {
    text-decoration: underline;
}

/* PAGINACIÓN */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--bg-body);
    transition: var(--transition);
}

.page-link:hover:not(.disabled):not(.active) {
    background: var(--card-bg);
    border-color: var(--accent-blue);
}

.page-link.active {
    background: var(--primary-blue);
    color: #ffffff;
    border-color: var(--primary-blue);
}

.page-link.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.page-link.dots {
    border: none;
    background: transparent;
    cursor: default;
}

/* EMPTY STATE */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px dashed var(--border-color);
}

.empty-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state h3 { font-size: 1.2rem; margin-bottom: 6px; }
.empty-state p { color: var(--text-gray); margin-bottom: 16px; }

.btn-volver {
    display: inline-block;
    background: var(--primary-blue);
    color: #ffffff;
    padding: 8px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-volver:hover { background: var(--dark-blue); }

/* SIDEBAR */
.widget {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.widget-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    margin-bottom: 14px;
    font-size: 0.95rem;
}

body.dark-mode .widget-title { color: #60a5fa; }

.categoria-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-dark);
    transition: color 0.2s;
}

.categoria-link:last-child { border-bottom: none; }
.categoria-link:hover { color: var(--accent-blue); }
.categoria-link.active {
    color: var(--primary-blue);
    font-weight: 700;
}

.categoria-link .cat-icon {
    width: 30px; height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: #ffffff;
    flex-shrink: 0;
}

.categoria-link .cat-nombre {
    font-size: 0.85rem;
    font-weight: 500;
    flex: 1;
}

.categoria-link .cat-cantidad {
    font-size: 0.7rem;
    color: var(--text-gray);
    background: var(--bg-body);
    padding: 2px 8px;
    border-radius: 10px;
}

/* FRASE */
.widget-quote {
    background: linear-gradient(135deg, #e8ede6, #d4e0d1);
    border-left: 4px solid #2e4d25;
    position: relative;
    overflow: hidden;
}

.widget-quote::before {
    content: '"';
    position: absolute;
    top: -20px; right: 10px;
    font-size: 6rem;
    font-family: 'Montserrat', serif;
    color: rgba(46, 77, 37, 0.1);
    line-height: 1;
}

body.dark-mode .widget-quote {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 1px solid #334155;
    border-left: 4px solid #60a5fa;
}

.quote-content p {
    font-family: 'Montserrat', sans-serif;
    font-style: italic;
    font-size: 0.9rem;
    color: #2e4d25;
    line-height: 1.6;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

body.dark-mode .quote-content p { color: #cbd5e1; }

/* ÚNETE */
.widget-join {
    background: var(--primary-blue);
    color: #ffffff;
}

body.dark-mode .widget-join { background: #1a2332; }

.join-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.widget-join p {
    font-size: 0.78rem;
    margin-bottom: 12px;
    opacity: 0.9;
}

.btn-join {
    display: block;
    background: #ffffff;
    color: var(--primary-blue);
    text-align: center;
    padding: 8px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 700;
    transition: var(--transition);
}

.btn-join:hover { opacity: 0.9; }

/* FOOTER */
.site-footer {
    background: var(--dark-blue);
    color: #ffffff;
    padding-top: 20px;
}

body.dark-mode .site-footer { background: #0f172a; }

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 15px;
}

.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 0.75rem; }
.footer-logo { height: 35px; }
.footer-links { font-size: 0.75rem; }

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    margin: 0 5px;
}

.footer-links a:hover { text-decoration: underline; }

.footer-social a {
    color: #ffffff;
    margin-left: 10px;
    font-size: 0.9rem;
}

.footer-social a:hover { color: #60a5fa; }

.footer-bottom {
    text-align: center;
    padding: 10px 0;
    font-size: 0.7rem;
    opacity: 0.7;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .main-layout { grid-template-columns: 1fr; }
    .articulos-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
}

@media (max-width: 768px) {
    .header-container { flex-direction: column; text-align: center; }
    .brand-logo { justify-content: center; }
    .search-box { width: 100%; max-width: 300px; margin: 0 auto; }
    .articulos-header-content { flex-direction: column; text-align: center; }
    .articulos-info h1 { font-size: 1.2rem; }
    .filtros-form { flex-direction: column; align-items: stretch; }
    .filtro-group { justify-content: center; }
    .filtro-group select { width: 100%; max-width: 200px; }
    .articulos-grid { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; text-align: center; }
}

@media (max-width: 576px) {
    .card-meta { font-size: 0.65rem; gap: 4px; }
    .pagination { gap: 4px; }
    .page-link {
        min-width: 32px;
        height: 32px;
        font-size: 0.75rem;
        padding: 0 6px;
    }
}