/* ============================================================
   css/articulo.css - Página individual de artículo
   VERSIÓN FINAL MEJORADA Y CORREGIDA
   ============================================================ */

/* ============================================================
   1. VARIABLES Y RESET
   ============================================================ */
: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, 0.12);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --rosa-mg: #ec4899;
    --rosa-mg-dark: #db2777;
}

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; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-body);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }

/* ============================================================
   2. BARRAS FLOTANTES
   ============================================================ */
.progress-bar-lectura {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: rgba(0, 0, 0, 0.08);
    z-index: 9999;
    pointer-events: none;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue), #60a5fa);
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(0, 114, 206, 0.6);
    border-radius: 0 4px 4px 0;
}

body.dark-mode .progress-bar-lectura { background: rgba(255, 255, 255, 0.05); }
body.dark-mode .progress-fill {
    background: linear-gradient(90deg, #60a5fa, #93c5fd, #bfdbfe);
    box-shadow: 0 0 10px rgba(96, 165, 250, 0.8);
}

/* Botón tema oscuro - MEJORADO */
.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) rotate(15deg);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

/* Botón volver arriba - MOVIDO A LA DERECHA PARA NO CHOCAR */
.btn-volver-arriba-articulo {
    position: fixed;
    bottom: 84px; right: 24px;
    width: 48px; height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--primary-blue);
    color: #ffffff;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 77, 140, 0.4);
    transition: var(--transition);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.btn-volver-arriba-articulo.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.btn-volver-arriba-articulo:hover {
    background: var(--dark-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 77, 140, 0.6);
}

body.dark-mode .btn-volver-arriba-articulo { background: #60a5fa; color: #0f172a; }
body.dark-mode .btn-volver-arriba-articulo:hover { background: #93c5fd; }

/* Barra de herramientas - MEJORADA */
.barra-herramientas-lectura {
    position: fixed;
    top: 50%; left: 20px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: var(--bg-body);
    padding: 10px 8px;
    border-radius: 50px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    z-index: 997;
    transition: var(--transition);
}

body.dark-mode .barra-herramientas-lectura {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}

.tool-btn {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid transparent;
    background: var(--bg-body);
    color: var(--text-dark);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    transition: var(--transition);
    position: relative;
}

body.dark-mode .tool-btn { background: #0f172a; color: #cbd5e1; }

.tool-btn:hover {
    background: var(--primary-blue);
    color: #ffffff;
    transform: scale(1.12);
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(0, 77, 140, 0.3);
}

.tool-btn:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.tool-btn.activo {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    border-color: #10b981;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
    animation: pulse-btn 1.5s ease infinite;
}

@keyframes pulse-btn {
    0%, 100% { box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 4px 20px rgba(16, 185, 129, 0.7); }
}

.tool-btn.activo i { color: #ffffff; }

.tool-label {
    font-size: 0.55rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.font-symbol {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1;
}

.tool-btn i { font-size: 0.95rem; line-height: 1; }

.tool-btn::after {
    content: attr(title);
    position: absolute;
    left: 110%; top: 50%;
    transform: translateY(-50%);
    background: #1a2332;
    color: #ffffff;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 9999;
}

.tool-btn:hover::after {
    opacity: 1;
    visibility: visible;
    left: 115%;
}
/* BARRA DE HERRAMIENTAS - CON OCULTACIÓN AUTOMÁTICA */
.barra-herramientas-lectura {
    position: fixed;
    top: 50%; left: 20px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: var(--bg-body);
    padding: 10px 8px;
    border-radius: 50px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    z-index: 997;
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
    opacity: 1;
    visibility: visible;
}

/* Estado oculto: se desliza hacia la izquierda y se desvanece */
.barra-herramientas-lectura.oculta {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-50%) translateX(-120%);
    pointer-events: none;
}

/* Cuando el usuario pasa el mouse sobre la barra, se muestra */
.barra-herramientas-lectura:hover {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(-50%) translateX(0) !important;
}

body.dark-mode .barra-herramientas-lectura {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}

/* ZONA ACTIVADORA (área invisible donde el usuario puede pasar el mouse para mostrar la barra) */
.zona-activadora-herramientas {
    position: fixed;
    top: 50%; left: 0;
    transform: translateY(-50%);
    width: 30px;
    height: 300px;
    z-index: 996;
    /* Sin fondo para que sea invisible */
    background: transparent;
    cursor: pointer;
}

.zona-activadora-herramientas:hover ~ .barra-herramientas-lectura,
.barra-herramientas-lectura:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}
/* ============================================================
   3. HEADER Y NAVEGACIÓN
   ============================================================ */
.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;
    line-height: 1.4;
}

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;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 77, 140, 0.1);
}

.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;
    transition: color 0.2s;
}

.search-box button:hover { color: var(--primary-blue); }

.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); }

body.dark-mode .nav-list li.active a,
body.dark-mode .nav-list li a:hover { background: #2d3748; }

.breadcrumb {
    background: var(--card-bg);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb a { color: var(--accent-blue); font-size: 0.82rem; }
.breadcrumb .separator,
.breadcrumb .current { color: var(--text-gray); font-size: 0.82rem; }
.breadcrumb .separator { margin: 0 6px; }

/* ============================================================
   4. LAYOUT Y ARTÍCULO
   ============================================================ */
.main-layout {
    display: grid;
    grid-template-columns: 1fr 310px;
    gap: 25px;
    padding: 30px 0 40px;
}

.articulo-completo { background: var(--bg-body); }
.articulo-header { margin-bottom: 25px; }

.articulo-categoria {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.categoria-badge {
    display: inline-block;
    color: #ffffff;
    padding: 4px 14px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.articulo-fecha,
.articulo-visitas,
.articulo-tiempo {
    font-size: 0.78rem;
    color: var(--text-gray);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.articulo-titulo {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-weight: 800;
    letter-spacing: -0.3px;
}

.articulo-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 20px;
    font-size: 0.85rem;
    color: var(--text-gray);
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.articulo-autor strong { color: var(--text-dark); }

.articulo-tags .tag-link {
    color: var(--accent-blue);
    font-weight: 600;
    transition: color 0.2s;
}

.articulo-tags .tag-link:hover { text-decoration: underline; }

.articulo-imagen {
    margin-bottom: 25px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.articulo-imagen img {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.articulo-imagen:hover img { transform: scale(1.02); }

.articulo-contenido {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 30px;
    transition: font-size 0.2s ease;
}

.articulo-contenido p { margin-bottom: 16px; }
.articulo-contenido h2,
.articulo-contenido h3 { margin-top: 24px; margin-bottom: 12px; }

.articulo-contenido img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 16px 0;
}

.articulo-contenido ul,
.articulo-contenido ol { margin: 12px 0 16px 24px; }

.articulo-contenido blockquote {
    background: var(--card-bg);
    border-left: 4px solid var(--primary-blue);
    padding: 12px 20px;
    margin: 16px 0;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--text-dark);
}

.articulo-contenido a {
    color: var(--accent-blue);
    text-decoration: underline;
}

/* ============================================================
   5. COMPARTIR Y ME GUSTA (CORREGIDO - Rosa en lugar de rojo)
   ============================================================ */
.articulo-compartir {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding: 18px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 25px;
}

.compartir-botones {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.compartir-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-gray);
    margin-right: 8px;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border-radius: 50%;
    border: none;
    color: #ffffff;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.share-btn:hover {
    transform: scale(1.15) translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.share-btn:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.share-btn.facebook { background: #1877f2; }
.share-btn.twitter { background: #000000; }
.share-btn.whatsapp { background: #25d366; }
.share-btn.linkedin { background: #0a66c2; }
.share-btn.copy-link { background: var(--text-gray); }

/* BOTÓN ME GUSTA - CORREGIDO A ROSA/CORAZÓN */
.btn-mg-destacado {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--rosa-mg), var(--rosa-mg-dark));
    color: #ffffff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-mg-destacado::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-mg-destacado:hover::before { width: 300px; height: 300px; }

.btn-mg-destacado:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(236, 72, 153, 0.5);
}

.btn-mg-destacado i {
    font-size: 1.2rem;
    transition: transform 0.3s;
    z-index: 1;
}

.btn-mg-destacado:hover i { transform: scale(1.2); }
.btn-mg-destacado .mg-texto,
.btn-mg-destacado .mg-contador { z-index: 1; }

.btn-mg-destacado .mg-contador {
    background: rgba(255, 255, 255, 0.25);
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    min-width: 32px;
    text-align: center;
}

.btn-mg-destacado.activo {
    background: linear-gradient(135deg, var(--rosa-mg-dark), #be185d);
    animation: pulse-mg 0.6s ease;
}

.btn-mg-destacado.activo i { animation: heart-beat 0.6s ease; }

@keyframes pulse-mg {
    0% { transform: scale(1); }
    50% { transform: scale(1.08); }
    100% { transform: scale(1); }
}

@keyframes heart-beat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.4); }
    50% { transform: scale(1.1); }
    75% { transform: scale(1.3); }
}

/* ============================================================
   6. NAVEGACIÓN ENTRE ARTÍCULOS (VERSIÓN COMPACTA)
   ============================================================ */
.articulo-navegacion {
    display: grid;
    grid-template-columns: 44px auto 44px;
    align-items: center;
    justify-content: center;
    gap: 175px;
    margin: 25px auto;
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    max-width: 500px;
}

/* ============================================================
   FLECHAS (solo el ícono circular - MÁS PEQUEÑAS)
   ============================================================ */
.nav-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: #ffffff;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 77, 140, 0.3);
    flex-shrink: 0;
}

.nav-arrow:hover {
    transform: scale(1.12);
    box-shadow: 0 6px 18px rgba(0, 77, 140, 0.5);
}

.nav-arrow.prev:hover {
    transform: scale(1.12) translateX(-3px);
}

.nav-arrow.next:hover {
    transform: scale(1.12) translateX(3px);
}

.nav-arrow.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
    background: var(--text-gray);
}

body.dark-mode .nav-arrow {
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    color: #0f172a;
}

/* ============================================================
   BOTÓN CENTRAL "CATEGORÍA" (MÁS PEQUEÑO)
   ============================================================ */
.nav-categoria {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: #ffffff;
    text-decoration: none;
    border-radius: 10px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 77, 140, 0.3);
    min-width: 130px;
}

.nav-categoria:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(0, 77, 140, 0.5);
}

/* Círculo del ícono (más pequeño) */
.nav-categoria-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #ffffff;
    transition: var(--transition);
    margin-bottom: 2px;
}

.nav-categoria:hover .nav-categoria-icon {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

/* Etiqueta "CATEGORÍA" */
.nav-categoria-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1;
}

/* Título "Ver todos" */
.nav-categoria-titulo {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
    text-align: center;
}

body.dark-mode .nav-categoria {
    background: linear-gradient(135deg, #1a2332, #0f172a);
    border: 1px solid #334155;
}

body.dark-mode .nav-categoria:hover {
    border-color: #60a5fa;
}

body.dark-mode .nav-categoria-icon {
    background: rgba(96, 165, 250, 0.15);
    color: #60a5fa;
}

body.dark-mode .nav-categoria:hover .nav-categoria-icon {
    background: rgba(96, 165, 250, 0.25);
}

body.dark-mode .nav-categoria-label {
    color: rgba(96, 165, 250, 0.7);
}

body.dark-mode .nav-categoria-titulo {
    color: #f1f5f9;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 576px) {
    .articulo-navegacion {
        grid-template-columns: 40px auto 40px;
        gap: 10px;
        padding: 12px 0;
        max-width: 100%;
    }

    .nav-arrow {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }

    .nav-categoria {
        padding: 10px 14px;
        min-width: 110px;
    }

    .nav-categoria-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }

    .nav-categoria-label {
        font-size: 0.58rem;
        letter-spacing: 1px;
    }

    .nav-categoria-titulo {
        font-size: 0.78rem;
    }
}
/* ============================================================
   7. COMENTARIOS
   ============================================================ */
.comentarios-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.comentarios-titulo {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

body.dark-mode .comentarios-titulo { color: #60a5fa; }

.comentario-form-container {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius-lg);
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

body.dark-mode .comentario-form-container {
    background: #1e293b;
    border-color: #334155;
}

.comentario-form-container h4 {
    font-size: 1rem;
    margin-bottom: 14px;
    color: var(--text-dark);
    font-family: 'Montserrat', sans-serif;
}

.form-row-comentario {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 10px;
}

.select-curso-wrapper { width: 100%; }

.select-curso-wrapper select,
.comentario-form-container input,
.comentario-form-container textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: inherit;
    background: var(--bg-body);
    color: var(--text-dark);
    margin-bottom: 10px;
    transition: var(--transition);
}

.select-curso-wrapper select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

body.dark-mode .select-curso-wrapper select,
body.dark-mode .comentario-form-container input,
body.dark-mode .comentario-form-container textarea {
    background: #0f172a;
    border-color: #334155;
    color: #f1f5f9;
}

.comentario-form-container input:focus,
.comentario-form-container textarea:focus,
.select-curso-wrapper select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 77, 140, 0.1);
}

.btn-enviar-comentario {
    background: var(--primary-blue);
    color: #ffffff;
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    font-size: 0.9rem;
}

.btn-enviar-comentario:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 77, 140, 0.3);
}

.btn-enviar-comentario:disabled { opacity: 0.6; cursor: not-allowed; }

.comentarios-lista { display: flex; flex-direction: column; gap: 16px; }

.comentario-item {
    display: flex;
    gap: 14px;
    padding: 16px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

body.dark-mode .comentario-item { background: #1e293b; }
.comentario-item:hover { transform: translateX(4px); }

.comentario-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    color: #ffffff !important;
    font-weight: 800;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.comentario-content { flex: 1; }

.comentario-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    flex-wrap: wrap;
    gap: 6px;
}

.comentario-info strong { color: var(--text-dark); font-size: 0.92rem; }

.comentario-curso {
    font-size: 0.78rem;
    color: var(--text-gray);
    font-weight: 500;
    margin-left: 4px;
}

.comentario-fecha { font-size: 0.75rem; color: var(--text-gray); }

.comentario-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-dark);
}

.sin-comentarios {
    text-align: center;
    padding: 20px;
    color: var(--text-gray);
    font-style: italic;
}

.btn-ver-mas-comentarios {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.btn-ver-mas-comentarios:hover {
    background: var(--primary-blue);
    color: #ffffff;
    transform: translateY(-2px);
}

body.dark-mode .btn-ver-mas-comentarios {
    background: #1e293b;
    border-color: #334155;
    color: #60a5fa;
}

body.dark-mode .btn-ver-mas-comentarios:hover {
    background: #60a5fa;
    color: #0f172a;
}

.info-comentarios {
    text-align: center;
    padding: 12px;
    color: var(--text-gray);
    font-size: 0.82rem;
    font-style: italic;
}

/* ============================================================
   8. RECOMENDADOS
   ============================================================ */
.recomendados-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.recomendados-titulo {
    font-size: 1.3rem;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

body.dark-mode .recomendados-titulo { color: #60a5fa; }

.recomendados-subtitulo {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.recomendados-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.recomendado-card {
    display: flex;
    gap: 14px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 14px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: var(--transition);
}

body.dark-mode .recomendado-card { background: #1e293b; }

.recomendado-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-blue);
    box-shadow: 0 8px 20px rgba(0, 77, 140, 0.12);
}

.recomendado-imagen {
    width: 100px; height: 100px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.recomendado-imagen img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.recomendado-card:hover .recomendado-imagen img { transform: scale(1.1); }

.recomendado-placeholder {
    width: 100%; height: 100%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.recomendado-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
}

.recomendado-categoria {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary-blue);
}

body.dark-mode .recomendado-categoria { color: #60a5fa; }

.recomendado-titulo {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.recomendado-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin: 4px 0;
}

.recomendado-tag {
    font-size: 0.68rem;
    color: var(--accent-blue);
    font-weight: 600;
}

.recomendado-meta {
    display: flex;
    gap: 12px;
    font-size: 0.72rem;
    color: var(--text-gray);
}

/* ============================================================
   9. WIDGETS SIDEBAR
   ============================================================ */
.widget {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

body.dark-mode .widget {
    background: #1e293b;
    border: 1px solid #334155;
}

.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; }

/* Ficha del autor */
.widget-autor-ficha {
    background: linear-gradient(135deg, #f0f7ff, #e0efff);
    border: 1px solid rgba(0, 77, 140, 0.15);
    border-radius: var(--radius-lg);
    padding: 18px;
    margin-bottom: 20px;
}

body.dark-mode .widget-autor-ficha {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 1px solid #334155;
}

.autor-ficha-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(0, 77, 140, 0.1);
}

body.dark-mode .autor-ficha-header { border-color: #334155; }

.autor-ficha-avatar {
    width: 56px; height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.autor-ficha-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary-blue);
    opacity: 0.8;
}

body.dark-mode .autor-ficha-label { color: #60a5fa; }

.autor-ficha-titulo h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.2;
}

.autor-ficha-desc {
    font-size: 0.82rem;
    color: var(--text-gray);
    line-height: 1.55;
    margin-bottom: 12px;
}

.autor-ficha-desc strong { color: var(--text-dark); }

.autor-ficha-stats {
    background: rgba(0, 77, 140, 0.08);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.78rem;
    color: var(--primary-blue);
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
}

body.dark-mode .autor-ficha-stats {
    background: rgba(96, 165, 250, 0.1);
    color: #60a5fa;
}

.autor-ficha-otros summary {
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary-blue);
    padding: 8px 0;
    list-style: none;
    user-select: none;
    transition: color 0.2s;
}

.autor-ficha-otros summary::-webkit-details-marker { display: none; }

.autor-ficha-otros summary::before {
    content: '▸ ';
    display: inline-block;
    transition: transform 0.3s;
}

.autor-ficha-otros[open] summary::before { transform: rotate(90deg); }

body.dark-mode .autor-ficha-otros summary { color: #60a5fa; }

.otros-articulos-lista {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed rgba(0, 77, 140, 0.15);
}

body.dark-mode .otros-articulos-lista { border-color: #334155; }

.otro-articulo-item {
    display: flex;
    gap: 10px;
    padding: 8px;
    background: var(--bg-body);
    border-radius: 8px;
    text-decoration: none;
    border: 1px solid rgba(0, 77, 140, 0.1);
    transition: var(--transition);
}

body.dark-mode .otro-articulo-item {
    background: #1e293b;
    border-color: #334155;
}

.otro-articulo-item:hover {
    border-color: var(--primary-blue);
    transform: translateX(4px);
    box-shadow: 0 4px 10px rgba(0, 77, 140, 0.1);
}

.otro-articulo-item img {
    width: 42px; height: 42px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.otro-articulo-placeholder {
    width: 42px; height: 42px;
    background: var(--card-bg);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.otro-articulo-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    justify-content: center;
}

.otro-articulo-titulo {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.otro-articulo-fecha { font-size: 0.65rem; color: var(--text-gray); }

/* Top categoría */
.top-categoria-list { display: flex; flex-direction: column; gap: 8px; }

.top-categoria-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s;
}

.top-categoria-item:hover { background: var(--bg-body); }

.top-categoria-numero {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary-blue);
    width: 24px;
    text-align: center;
}

body.dark-mode .top-categoria-numero { color: #60a5fa; }

.top-categoria-info { display: flex; flex-direction: column; min-width: 0; }

.top-categoria-titulo {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.top-categoria-visitas { font-size: 0.7rem; color: var(--text-gray); }

/* Relacionados */
.related-item {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.related-img {
    width: 65px; height: 65px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.related-img-placeholder {
    width: 65px; height: 65px;
    border-radius: 6px;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.related-info h5 { font-size: 0.85rem; line-height: 1.2; margin-bottom: 2px; }
.related-info h5 a { color: var(--text-dark); }
.related-info h5 a:hover { color: var(--accent-blue); }
.related-date { font-size: 0.7rem; color: var(--text-gray); }

/* Frase */
.widget-quote {
    background: linear-gradient(135deg, #e8ede6, #d4e0d1);
    padding: 20px;
    border-radius: var(--radius-lg);
    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: linear-gradient(135deg, var(--primary-blue), var(--dark-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;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* Stats mini */
.widget-stats-mini {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: #ffffff;
}

body.dark-mode .widget-stats-mini {
    background: linear-gradient(135deg, #1a2332, #0f172a);
}

.widget-stats-mini .widget-title {
    color: #ffffff;
    justify-content: center;
}

.stats-mini-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.stat-mini-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 10px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    transition: var(--transition);
}

.stat-mini-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.stat-mini-icon { font-size: 1.1rem; }

.stat-mini-value {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 800;
}

.stat-mini-label {
    font-size: 0.65rem;
    opacity: 0.85;
    text-align: center;
}

/* ============================================================
   10. PANEL GUARDADOS
   ============================================================ */
.panel-guardados {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    max-height: 60vh;
    background: var(--bg-body);
    border-top-left-radius: 24px;
    border-top-right-radius: 24px;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.2);
    z-index: 9998;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-bottom: none;
}

body.dark-mode .panel-guardados {
    background: #1e293b;
    border-color: #334155;
}

.panel-guardados.active { transform: translateY(0); }

.panel-guardados-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: #ffffff;
}

.panel-guardados-header h3 {
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cerrar-panel {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #ffffff;
    width: 32px; height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.cerrar-panel:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: rotate(90deg);
}

.panel-guardados-lista {
    padding: 16px 24px 24px;
    overflow-y: auto;
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.panel-vacio {
    grid-column: 1 / -1;
    text-align: center;
    padding: 30px;
    color: var(--text-gray);
    font-style: italic;
}

.item-guardado {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: var(--transition);
}

.item-guardado:hover {
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 77, 140, 0.1);
}

.item-guardado-link {
    display: flex;
    gap: 10px;
    flex: 1;
    text-decoration: none;
    color: var(--text-dark);
    min-width: 0;
}

.item-guardado-link img {
    width: 48px; height: 48px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}

.item-guardado-placeholder {
    width: 48px; height: 48px;
    border-radius: 6px;
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.item-guardado-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    justify-content: center;
}

.item-guardado-categoria {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary-blue);
}

body.dark-mode .item-guardado-categoria { color: #60a5fa; }

.item-guardado-titulo {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

.item-guardado-eliminar {
    width: 28px; height: 28px;
    border-radius: 50%;
    border: none;
    background: #fee2e2;
    color: #991b1b;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
    flex-shrink: 0;
}

.item-guardado-eliminar:hover {
    background: #fecaca;
    transform: scale(1.1);
}

body.dark-mode .item-guardado-eliminar {
    background: #3a1a1a;
    color: #fca5a5;
}

/* ============================================================
   11. MODAL Y FOOTER
   ============================================================ */
.mensaje-modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    z-index: 99999;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.mensaje-modal.active { display: flex; }

.mensaje-modal-content {
    background: var(--bg-body);
    border-radius: 20px;
    padding: 40px 32px;
    max-width: 440px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    animation: modalEntrada 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalEntrada {
    from { opacity: 0; transform: scale(0.8) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.mensaje-modal-content::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: linear-gradient(90deg, #10b981, #059669);
}

.mensaje-modal-icon {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    animation: pulse-icon 2s ease infinite;
}

@keyframes pulse-icon {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.mensaje-modal-icon i { font-size: 2.5rem; color: #10b981; }

.mensaje-modal-content h3 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.mensaje-modal-content p {
    font-size: 0.95rem;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.btn-cerrar-modal {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    border: none;
    padding: 12px 36px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    transition: var(--transition);
}

.btn-cerrar-modal:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(16, 185, 129, 0.5);
}

.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;
    transition: color 0.2s;
}

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

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

/* ============================================================
   12. IMPRESIÓN
   ============================================================ */
@media print {
    .barra-herramientas-lectura,
    .btn-volver-arriba-articulo,
    .theme-toggle-float,
    .progress-bar-lectura,
    .panel-guardados,
    .main-nav,
    .breadcrumb,
    .content-sidebar,
    .site-footer,
    .comentarios-section,
    .recomendados-section,
    .articulo-navegacion,
    .articulo-compartir,
    .mensaje-modal,
    .header-search,
    .header-slogan {
        display: none !important;
    }

    body {
        background: #ffffff !important;
        color: #000000 !important;
    }

    .container.main-layout {
        display: block !important;
        padding: 0 !important;
    }

    .content-primary {
        width: 100% !important;
        max-width: 100% !important;
    }

    .articulo-completo { box-shadow: none !important; }
    .articulo-titulo { color: #000000 !important; font-size: 24pt !important; }
    .articulo-contenido { color: #000000 !important; font-size: 12pt !important; }
    .articulo-imagen img { max-width: 100% !important; page-break-inside: avoid; }
    .articulo-meta { color: #333 !important; border-color: #ccc !important; }
    .articulo-contenido a { color: #000 !important; text-decoration: underline; }
}

/* ============================================================
   13. RESPONSIVE
   ============================================================ */
@media (max-width: 992px) {
    .main-layout { grid-template-columns: 1fr; }

    .barra-herramientas-lectura {
        top: auto;
        bottom: 24px;
        left: 50%;
        transform: translateX(-50%);
        flex-direction: row;
        padding: 8px 10px;
        border-radius: 50px;
    }

    .tool-btn::after { display: none; }
}

@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;
    }

    .articulo-titulo { font-size: 1.4rem; }

    .articulo-compartir {
        flex-direction: column;
        align-items: stretch;
    }

    .compartir-botones { justify-content: center; }

    .btn-mg-destacado {
        justify-content: center;
        width: 100%;
    }

    .articulo-navegacion { grid-template-columns: 1fr; }

    .nav-card.all {
        min-width: auto;
        flex-direction: row;
        padding: 14px 18px;
    }

    .nav-card.all .nav-card-content { align-items: flex-start; }

    .recomendados-grid { grid-template-columns: 1fr; }

    .btn-volver-arriba-articulo {
        bottom: 144px;
        right: 16px;
        width: 42px; height: 42px;
        font-size: 1rem;
    }

    .theme-toggle-float {
        right: 16px;
        width: 42px;
        height: 42px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .articulo-meta,
    .articulo-categoria {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .form-row-comentario { grid-template-columns: 1fr; }

    .comentario-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .comentario-info {
        flex-direction: column;
        align-items: center;
        gap: 2px;
    }

    .barra-herramientas-lectura {
        bottom: 12px;
        padding: 6px 8px;
        gap: 4px;
    }

    .tool-btn { width: 40px; height: 40px; }
    .tool-label { font-size: 0.5rem; }

    .panel-guardados-lista {
        grid-template-columns: 1fr;
        padding: 12px 16px 20px;
    }

    .panel-guardados-header { padding: 14px 18px; }

    .btn-volver-arriba-articulo {
        bottom: 130px;
        right: 12px;
        width: 38px; height: 38px;
        font-size: 0.9rem;
    }

    .theme-toggle-float {
        right: 12px;
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
}

/* ============================================================
   14. SCROLLBAR PERSONALIZADA
   ============================================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-gray);
}

body.dark-mode ::-webkit-scrollbar-track { background: #0f172a; }
body.dark-mode ::-webkit-scrollbar-thumb { background: #334155; }
body.dark-mode ::-webkit-scrollbar-thumb:hover { background: #475569; }

/* ============================================================
   15. SELECCIÓN DE TEXTO
   ============================================================ */
::selection {
    background: var(--primary-blue);
    color: #ffffff;
}

body.dark-mode ::selection {
    background: #60a5fa;
    color: #0f172a;
}