/* InfoWeb - Tema táctico oscuro */

:root {
    --color-bg: #0d1117;
    --color-surface: #161b22;
    --color-surface-hover: #1c2333;
    --color-border: #30363d;
    --color-text: #e6edf3;
    --color-text-muted: #8b949e;
    --color-accent: #4ade80;
    --color-accent-hover: #22c55e;
    --color-danger: #f85149;
    --color-warning: #d29922;
    --color-info: #58a6ff;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background-color: var(--color-surface) !important;
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.3rem;
    letter-spacing: 2px;
}

.text-accent {
    color: var(--color-accent) !important;
}

.btn-outline-accent {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline-accent:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-bg);
    border: none;
    font-weight: 600;
}

.btn-accent:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-bg);
}

/* Cards */
.card-infoweb {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: all 0.3s ease;
    overflow: hidden;
}

.card-infoweb:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(74, 222, 128, 0.1);
}

/* Categoría card grande (inicio) */
.card-categoria {
    background: linear-gradient(135deg, var(--color-surface) 0%, #1a2332 100%);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--color-text);
    display: block;
    height: 100%;
}

.card-categoria:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(74, 222, 128, 0.15);
    color: var(--color-text);
}

.card-categoria .icono-categoria {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.card-categoria h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-categoria .descripcion {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.card-categoria .contador {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.85rem;
}

/* Artículo card */
.card-articulo {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    height: 100%;
}

.card-articulo:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.card-articulo .titulo-articulo {
    color: var(--color-text);
    font-weight: 600;
    text-decoration: none;
    font-size: 1.1rem;
}

.card-articulo .titulo-articulo:hover {
    color: var(--color-accent);
}

.card-articulo .meta-articulo {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* Niveles de dificultad */
.badge-nivel-1 { background-color: #22c55e; color: #000; }
.badge-nivel-2 { background-color: #3b82f6; color: #fff; }
.badge-nivel-3 { background-color: #f59e0b; color: #000; }
.badge-nivel-4 { background-color: #ef4444; color: #fff; }

/* Etiquetas */
.badge-etiqueta {
    background-color: rgba(74, 222, 128, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(74, 222, 128, 0.3);
    font-weight: 400;
    font-size: 0.75rem;
}

/* Breadcrumbs */
.breadcrumb-infoweb {
    background: transparent;
    padding: 0;
    margin-bottom: 1.5rem;
}

.breadcrumb-infoweb .breadcrumb-item a {
    color: var(--color-accent);
    text-decoration: none;
}

.breadcrumb-infoweb .breadcrumb-item.active {
    color: var(--color-text-muted);
}

.breadcrumb-infoweb .breadcrumb-item + .breadcrumb-item::before {
    color: var(--color-text-muted);
    content: ">";
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #0d1117 0%, #1a2332 50%, #0f1923 100%);
    border-bottom: 1px solid var(--color-border);
    padding: 4rem 0;
    margin: -1.5rem -0.75rem 2rem -0.75rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.hero .subtitulo {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 1rem auto;
}

.hero .stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.hero .stat-item {
    text-align: center;
}

.hero .stat-numero {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
    display: block;
}

.hero .stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Contenido artículo */
.contenido-articulo {
    line-height: 1.8;
    font-size: 1.05rem;
}

.contenido-articulo h2,
.contenido-articulo h3,
.contenido-articulo h4 {
    color: var(--color-accent);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.contenido-articulo p {
    margin-bottom: 1rem;
}

.contenido-articulo code {
    background-color: var(--color-surface);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.contenido-articulo pre {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
}

.contenido-articulo blockquote {
    border-left: 4px solid var(--color-accent);
    padding-left: 1rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.contenido-articulo ul, .contenido-articulo ol {
    padding-left: 1.5rem;
}

.contenido-articulo img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1rem 0;
}

.contenido-articulo table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.contenido-articulo th,
.contenido-articulo td {
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
}

.contenido-articulo th {
    background-color: var(--color-surface);
    color: var(--color-accent);
}

/* Favorito botón */
.btn-favorito {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-favorito:hover,
.btn-favorito.activo {
    color: #fbbf24;
    border-color: #fbbf24;
}

/* Subcategoría link */
.subcategoria-link {
    display: block;
    padding: 0.75rem 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.2s;
    margin-bottom: 0.5rem;
}

.subcategoria-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: var(--color-surface-hover);
}

/* Forms */
.form-control, .form-select {
    background-color: var(--color-surface) !important;
    border: 1px solid var(--color-border) !important;
    color: var(--color-text) !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 0.2rem rgba(74, 222, 128, 0.25) !important;
}

/* Sección título */
.seccion-titulo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

/* Admin panel */
.admin-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
}

/* Auth forms */
.auth-container {
    max-width: 450px;
    margin: 2rem auto;
}

.auth-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero .stats {
        gap: 1.5rem;
    }

    .hero .stat-numero {
        font-size: 1.5rem;
    }

    .card-categoria {
        padding: 1.5rem;
    }
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* Animación de aparición */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Galería de imágenes de artículo */
.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.galeria-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    transition: all 0.3s ease;
}

.galeria-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(74, 222, 128, 0.12);
}

.galeria-item a {
    display: block;
    line-height: 0;
}

.galeria-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.galeria-item:hover img {
    transform: scale(1.05);
}

.galeria-descripcion {
    display: block;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 576px) {
    .galeria-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .galeria-item img {
        height: 120px;
    }
}