/* ====== TRANSICIONES GLOBALES ====== */
html {
    scroll-behavior: smooth;
    transition: background-color 0.4s ease, color 0.4s ease;
}

body {
    background-color: #f5f7fa;
    color: #1f2937;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* ====== MODO OSCURO ====== */
html.dark body {
    background-color: #111827;
    color: #e5e7eb;
}

/* ====== HEADER ====== */
header {
    background-color: #f1f5f9;
    color: #1f2937;
    transition: background-color 0.4s;
}

html.dark header {
    background-color: #1f2937;
    color: #e5e7eb;
}

/* ====== FOOTER ====== */
footer {
    background-color: #e5e7eb;
    color: #374151;
    transition: background-color 0.4s, color 0.4s;
}

html.dark footer {
    background-color: #1f2937;
    color: #d1d5db;
}

/* ====== WHATSAPP / HERO SECTIONS ====== */
.whatsapp-section,
.hero-section {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 300px;
    color: white;
}

.whatsapp-overlay,
.hero-overlay {
    background-color: rgba(0, 0, 0, 0.6);
}

html.dark .whatsapp-overlay,
html.dark .hero-overlay {
    background-color: rgba(0, 0, 0, 0.7);
}

/* ====== BOTONES GENERALES ====== */
.btn {
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-weight: 600;
    transition: background-color 0.3s, color 0.3s;
}

.btn-green {
    background-color: #22c55e;
    color: white;
}

    .btn-green:hover {
        background-color: #16a34a;
    }

html.dark .btn-green {
    background-color: #16a34a;
}

    html.dark .btn-green:hover {
        background-color: #15803d;
    }

.btn-blue {
    background-color: #3b82f6;
    color: white;
}

    .btn-blue:hover {
        background-color: #2563eb;
    }

html.dark .btn-blue {
    background-color: #2563eb;
}

    html.dark .btn-blue:hover {
        background-color: #1d4ed8;
    }

/* ====== CARD GENERAL ====== */
.card-hover,
.group {
    background-color: #f9fafb;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .card-hover:hover,
    .group:hover {
        transform: scale(1.02);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

html.dark .group {
    background-color: #1f2937;
    border: 1px solid #374151;
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.05);
}

/* ====== CARD IMAGE STYLES ====== */
.card-hover img,
.group img {
    width: 100%;
    height: 16rem;
    object-fit: contain;
    background-color: white;
    padding: 0.75rem;
    border-radius: 0.75rem 0.75rem 0 0;
}

html.dark .group img {
    background-color: #1f2937;
}

/* ====== CARD OVERLAY HOVER ====== */
.card-hover .overlay,
.group .overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    opacity: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    text-align: center;
    color: white;
    transition: opacity 0.3s;
    border-radius: 0.75rem;
}

.card-hover:hover .overlay,
.group:hover .overlay {
    opacity: 1;
}

/* ====== PAGINACIÓN ====== */
.pagina-link {
    background-color: #e2e8f0;
    color: #1f2937;
    font-weight: 500;
    border-radius: 9999px;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

    .pagina-link:hover {
        background-color: #cbd5e1;
    }

html.dark .pagina-link {
    background-color: #374151;
    color: #f3f4f6;
}

    html.dark .pagina-link:hover {
        background-color: #4b5563;
    }

/* ====== ANIMACIÓN SPIN (LOADER) ====== */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ====== ANIMACIÓN DE PUNTOS "Cargando..." ====== */
.dots::after {
    content: '';
    display: inline-block;
    width: 1em;
    animation: dotsAnim 1.5s infinite steps(3);
}

@keyframes dotsAnim {
    0% {
        content: '.';
    }

    33% {
        content: '..';
    }

    66% {
        content: '...';
    }

    100% {
        content: '';
    }
}

/* ====== ENLACES GENERALES ====== */
a {
    text-decoration: none;
    transition: color 0.3s;
}

    a:hover {
        color: #3b82f6;
    }

html.dark a:hover {
    color: #60a5fa;
}

/* ===== Mejoras para modo claro ===== */

body {
    background-color: #f3f4f6; /* menos brillante */
    color: #1f2937;
}

/* Card mejoras modo claro */
.group {
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .group:hover {
        transform: scale(1.02);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    }

    /* Fondo del contenedor de la imagen (modo claro) */
    .group img {
        background-color: #f9fafb;
        padding: 0.75rem;
        border-radius: 0.75rem 0.75rem 0 0;
    }

/* Paginación refinada modo claro */
.pagina-link {
    background-color: #f1f5f9;
    color: #1f2937;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-weight: 500;
    border: 1px solid #cbd5e1;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

    .pagina-link:hover {
        background-color: #e2e8f0;
        color: #1d4ed8;
    }
    /* Estilo para botón activo (página actual) */
    .pagina-link.bg-blue-600 {
        background-color: #2563eb; /* azul tailwind 600 */
        color: #ffffff;
    }

/* Modo oscuro: botón activo */
html.dark .pagina-link.bg-blue-600 {
    background-color: #3b82f6; /* azul más claro para mejor contraste */
    color: #ffffff;
}

/* Modo oscuro: botones normales */
html.dark .pagina-link {
    background-color: #1f2937;
    color: #e5e7eb;
    border: 1px solid #374151;
}

    html.dark .pagina-link:hover {
        background-color: #374151;
        color: #60a5fa;
    }

#mobileMenu {
    transition: max-height 0.3s ease-in-out;
}

@media (max-width: 768px) {
    #color-tabs {
        padding-bottom: 4px;
    }
}

@media (prefers-color-scheme: dark) {
    .categoria-card {
        background-color: #1e1e1e;
        border-color: #333;
    }

    .categoria-content h5 {
        color: #f8f9fa;
    }

    .categoria-content p {
        color: #bbb;
    }
}

@media (max-width: 768px) {
    .blog-container {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

    .blog-main,
    .sidebar {
        width: 100%;
    }

    .sidebar {
        order: 2;
    }

    .blog-main {
        order: 1;
    }
}