/**
 * Estilos Globales Centralizados & Sistema de Diseño
 * Mi Portal de Notas
 *
 * NOTA: Todos los cambios visuales (colores, fondos, bordes, sombras, tipografía)
 * se controlan desde este archivo mediante variables CSS y clases semánticas,
 * evitando tener que modificar archivos individuales de páginas.
 */

/* ==========================================================================
   1. VARIABLES DE DISEÑO GLOBALES (:root)
   ========================================================================== */
:root {
    /* Fondos */
    --site-bg: #e2e8f0;
    --site-bg-gradient: linear-gradient(135deg, #e2e8f0 0%, #9CCFC5 60%, rgba(224, 231, 255, 0.6) 100%);
    --surface-bg: #ffffff;
    --surface-alt: #f1f5f9;

    /* Bordes y Esquinas */
    --border-color: #cbd5e1;
    --border-subtle: #e2e8f0;
    --border-hover: #818cf8;
    --radius-card: 1.5rem;
    --radius-badge: 9999px;

    /* Sombras con Profundidad y Relieve */
    --shadow-card: 0 6px 20px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.06);
    --shadow-card-hover: 0 20px 36px -4px rgba(99, 102, 241, 0.20), 0 10px 18px -4px rgba(15, 23, 42, 0.08);
    --shadow-link: 0 3px 8px -1px rgba(15, 23, 42, 0.06);
    --shadow-link-hover: 0 12px 24px -3px rgba(99, 102, 241, 0.16);
    --shadow-header: 0 4px 20px -2px rgba(15, 23, 42, 0.10);
    --shadow-footer: 0 -6px 24px rgba(15, 23, 42, 0.08);

    /* Textos y Contrastes */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-body: #1e293b;
    --text-muted: #64748b;
    --text-accent: #4338ca;
	--text-www: #ffffff;

    /* Gradiente de Acento General */
    --accent-gradient: linear-gradient(90deg, #6366f1, #a855f7, #ec4899);
}

/* ==========================================================================
   2. ESTRUCTURA Y BASE DEL SITIO
   ========================================================================== */
body, .site-body {
    background-color: var(--site-bg);
    background-image: var(--site-bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI Emoji', 'Segoe UI Symbol', 'Apple Color Emoji', 'Noto Color Emoji', sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, .font-heading {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI Emoji', 'Segoe UI Symbol', 'Apple Color Emoji', 'Noto Color Emoji', sans-serif;
    color: var(--text-primary);
}
h2.textwhite {
	color: white;
}
/* Cabecera Global */
.site-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    transition: box-shadow 0.3s ease;
}

.header-scrolled {
    box-shadow: var(--shadow-header);
}

/* Pie de Página Global */
.site-footer {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow-footer);
    position: sticky;
    bottom: 0;
    z-index: 40;
    margin-top: auto;
    padding-top: 1rem;
    padding-bottom: 1rem;
    transition: all 0.3s ease;
}

/* ==========================================================================
   3. CLASES PARA ARTÍCULOS Y NOTAS (Aplicable a 1 o 500 páginas sin tocar HTML)
   ========================================================================== */
.article-card {
    background-color: var(--surface-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.article-header {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-subtle);
}

.article-title {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI Emoji', 'Segoe UI Symbol', 'Apple Color Emoji', 'Noto Color Emoji', sans-serif;
    color: var(--text-primary);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.025em;
}

.article-footer {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
@media (min-width: 640px) {
    .article-footer {
        flex-direction: row;
    }
}

/* ==========================================================================
   Barra de Compartir en Redes Sociales (En un único renglón compacto)
   ========================================================================== */
.share-bar {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 0.85rem;
    padding: 1.15rem 0;
    margin-top: 2.5rem;
    margin-bottom: 0.5rem;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.share-bar-left {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.share-bar-title {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI Emoji', 'Segoe UI Symbol', 'Apple Color Emoji', 'Noto Color Emoji', sans-serif;
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    margin: 0;
}

.share-bar-items {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.45rem;
    flex-shrink: 0;
}

.share-icon-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 36px !important;
    min-width: 36px !important;
    max-width: 36px !important;
    height: 36px !important;
    min-height: 36px !important;
    max-height: 36px !important;
    border-radius: 9999px !important;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    color: #475569;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.2s ease,
                border-color 0.2s ease,
                color 0.2s ease,
                box-shadow 0.2s ease;
    text-decoration: none;
    cursor: pointer;
    padding: 0 !important;
    margin: 0 !important;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
}

.share-icon-btn svg {
    width: 17px !important;
    min-width: 17px !important;
    max-width: 17px !important;
    height: 17px !important;
    min-height: 17px !important;
    max-height: 17px !important;
    display: block !important;
    flex-shrink: 0 !important;
    pointer-events: none;
    transition: transform 0.2s ease;
}

.share-icon-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(15, 23, 42, 0.12);
}

.share-icon-btn:hover svg {
    transform: scale(1.12);
}

/* Colores de marca en hover */
.share-icon-btn.share-whatsapp:hover {
    background-color: #25d366 !important;
    border-color: #25d366 !important;
    color: #ffffff !important;
}

.share-icon-btn.share-facebook:hover {
    background-color: #1877f2 !important;
    border-color: #1877f2 !important;
    color: #ffffff !important;
}

.share-icon-btn.share-linkedin:hover {
    background-color: #0a66c2 !important;
    border-color: #0a66c2 !important;
    color: #ffffff !important;
}

.share-icon-btn.share-reddit:hover {
    background-color: #ff4500 !important;
    border-color: #ff4500 !important;
    color: #ffffff !important;
}

.share-icon-btn.share-x:hover {
    background-color: #0f172a !important;
    border-color: #0f172a !important;
    color: #ffffff !important;
}

.share-icon-btn.share-email:hover {
    background-color: #4f46e5 !important;
    border-color: #4f46e5 !important;
    color: #ffffff !important;
}

.share-icon-btn.share-copy:hover {
    background-color: #0d9488 !important;
    border-color: #0d9488 !important;
    color: #ffffff !important;
}

.share-icon-btn.share-copy.copied {
    background-color: #059669 !important;
    border-color: #059669 !important;
    color: #ffffff !important;
    transform: scale(1.06);
}

/* Banner Hero en Artículos */
.article-hero-media {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background-color: #0f172a;
    border-bottom: 1px solid var(--border-color);
}
@media (min-width: 640px) {
    .article-hero-media {
        height: 380px;
    }
}
@media (min-width: 1024px) {
    .article-hero-media {
        height: 430px;
    }
}
.article-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.article-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.7) 0%, rgba(15, 23, 42, 0.15) 50%, transparent 100%);
    pointer-events: none;
}

/* ==========================================================================
   4. CLASES PARA LA PÁGINA PRINCIPAL (HOME)
   ========================================================================== */
.hero-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95), rgba(226, 232, 240, 0.5), transparent);
    border-bottom: 1px solid var(--border-color);
    padding: 4rem 1.5rem;
}

.status-bar {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 2.5rem;
}

.card-destacada {
    background-color: var(--surface-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.28s cubic-bezier(0.16, 1, 0.3, 1), 
                border-color 0.25s ease;
    will-change: transform, box-shadow;
}

.card-destacada:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--border-hover);
}

/* Media Hero en Tarjeta Destacada */
.card-hero-media {
    position: relative;
    width: 100%;
    height: 185px;
    overflow: hidden;
    background-color: #f1f5f9;
    border-bottom: 1px solid var(--border-subtle);
}
.card-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.card-destacada:hover .card-hero-img {
    transform: scale(1.05);
}

/* Miniatura Hero en Enlace Secundario */
.thumb-hero-img {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    object-fit: cover;
    object-position: center;
    flex-shrink: 0;
    border: 1px solid var(--border-subtle);
    background-color: #f1f5f9;
    transition: transform 0.3s ease;
}
.card-secundaria:hover .thumb-hero-img {
    transform: scale(1.05);
}

.card-secundaria {
    background-color: var(--surface-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: var(--shadow-link);
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.22s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.2s ease;
}

.card-secundaria:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-link-hover);
    border-color: var(--border-hover);
}

/* Compatibilidad con clases anteriores */
.card-hover {
    box-shadow: var(--shadow-card);
    border-color: var(--border-color);
}
.card-hover:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--border-hover);
}
.link-card-hover {
    box-shadow: var(--shadow-link);
    border-color: var(--border-color);
}
.link-card-hover:hover {
    box-shadow: var(--shadow-link-hover);
    border-color: var(--border-hover);
}

/* ==========================================================================
   5. CONTENIDO EDITORIAL DE LOS ARTÍCULOS (.prose)
   ========================================================================== */
.prose h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.25;
}

.prose h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.prose h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.prose p {
    margin-bottom: 1.25rem;
    line-height: 1.85;
    color: var(--text-body);
    font-size: 1.05rem;
}

.prose ul, .prose ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
    color: var(--text-body);
}

.prose ul {
    list-style-type: disc;
}

.prose ol {
    list-style-type: decimal;
}

.prose li {
    margin-bottom: 0.5rem;
    line-height: 1.75;
}

.prose a {
    color: var(--accent-primary);
    text-decoration: underline;
    font-weight: 600;
    transition: color 0.15s ease;
}

.prose a:hover {
    color: #312e81;
}

.prose blockquote {
    border-left: 4px solid var(--accent-primary);
    padding: 0.85rem 1.25rem;
    font-style: italic;
    color: var(--text-body);
    background: var(--surface-alt);
    border-radius: 0 0.75rem 0.75rem 0;
    margin: 1.75rem 0;
}

.prose code {
    background: var(--surface-alt);
    padding: 0.2rem 0.45rem;
    border-radius: 0.375rem;
    font-size: 0.9em;
    color: var(--text-accent);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* ==========================================================================
   6. INSIGNIAS Y MICRO-ANIMACIONES
   ========================================================================== */
.theme-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
    border-radius: var(--radius-badge);
    padding: 0.3rem 0.65rem;
    transition: all 0.2s ease;
    letter-spacing: 0.015em;
}

@keyframes gentlePulse {
    0%, 100% {
        transform: translate(-50%, 0) scale(1);
        opacity: 0.45;
    }
    50% {
        transform: translate(-50%, -6px) scale(1.04);
        opacity: 0.65;
    }
}

.ambient-glow {
    animation: gentlePulse 8s ease-in-out infinite;
}

/* ==========================================================================
   7. BARRA DE COMPARTIR EN REDES SOCIALES (EN UN ÚNICO RENGLÓN HORIZONTAL)
   ========================================================================== */
.share-bar {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 0.85rem !important;
    flex-wrap: wrap !important;
    margin-top: 2rem !important;
    margin-bottom: 2rem !important;
    padding: 0.85rem 1.25rem !important;
    background-color: var(--surface-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 1rem !important;
    box-shadow: var(--shadow-card) !important;
}

.share-bar-left {
    display: flex !important;
    align-items: center !important;
    flex-shrink: 0 !important;
}

.share-bar-title {
    font-size: 0.875rem !important;
    font-weight: 700 !important;
    color: var(--text-secondary) !important;
    white-space: nowrap !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
}

.share-bar-items {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
    gap: 0.65rem !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 2px !important;
}

/* Botones de Iconos con tamaño aumentado un 25% (44px x 44px) */
.share-icon-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    min-height: 44px !important;
    border-radius: 0.75rem !important;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
    text-decoration: none !important;
    cursor: pointer !important;
    border: 1px solid transparent !important;
    flex-shrink: 0 !important;
    background-color: var(--surface-alt) !important;
    outline: none !important;
}

.share-icon-btn svg {
    width: 23px !important;
    height: 23px !important;
    display: block !important;
    flex-shrink: 0 !important;
    transition: transform 0.2s ease !important;
}

.share-icon-btn:hover {
    transform: translateY(-2px) scale(1.06) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12) !important;
}

.share-icon-btn:hover svg {
    transform: scale(1.08) !important;
}

/* Colores y Temas por Plataforma */
.share-whatsapp {
    color: #16a34a !important;
    background-color: #f0fdf4 !important;
    border-color: #bbf7d0 !important;
}
.share-whatsapp:hover {
    background-color: #22c55e !important;
    color: #ffffff !important;
    border-color: #22c55e !important;
}

.share-facebook {
    color: #1877f2 !important;
    background-color: #eff6ff !important;
    border-color: #bfdbfe !important;
}
.share-facebook:hover {
    background-color: #1877f2 !important;
    color: #ffffff !important;
    border-color: #1877f2 !important;
}

.share-linkedin {
    color: #0a66c2 !important;
    background-color: #f0f9ff !important;
    border-color: #bae6fd !important;
}
.share-linkedin:hover {
    background-color: #0a66c2 !important;
    color: #ffffff !important;
    border-color: #0a66c2 !important;
}

.share-reddit {
    color: #ea580c !important;
    background-color: #fff7ed !important;
    border-color: #fed7aa !important;
}
.share-reddit:hover {
    background-color: #ff4500 !important;
    color: #ffffff !important;
    border-color: #ff4500 !important;
}

.share-x {
    color: #0f1419 !important;
    background-color: #f8fafc !important;
    border-color: #e2e8f0 !important;
}
.share-x:hover {
    background-color: #0f1419 !important;
    color: #ffffff !important;
    border-color: #0f1419 !important;
}

.share-email {
    color: #4f46e5 !important;
    background-color: #eef2ff !important;
    border-color: #c7d2fe !important;
}
.share-email:hover {
    background-color: #4f46e5 !important;
    color: #ffffff !important;
    border-color: #4f46e5 !important;
}

.share-copy {
    color: #0284c7 !important;
    background-color: #f0f9ff !important;
    border-color: #bae6fd !important;
}
.share-copy:hover {
    background-color: #0284c7 !important;
    color: #ffffff !important;
    border-color: #0284c7 !important;
}

/* Estado Copiado Exitoso */
.share-copy.copied {
    background-color: #10b981 !important;
    color: #ffffff !important;
    border-color: #10b981 !important;
    transform: scale(1.08) !important;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35) !important;
}