/* ==========================================================================
   eMarket - Hoja de Estilos Principal (style.css v1.2)
   ========================================================================== */

/* --- 1. VARIABLES Y RESET GLOBALES --- */
:root {
    --color-primario: #004080;
    --color-secundario: #ff9900;
    --color-fondo: #f4f6f8;
    --color-texto: #333;
    --color-admin-sidebar: #2c3e50;
    --color-admin-hover: #34495e;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1550px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Evitar que flexbox/grid explote en Firefox y Safari */
img, video { max-width: 100%; height: auto; display: block; }
input, select, textarea, button { font-family: inherit; }

/* --- 2. ENCABEZADOS Y PIES DE PÁGINA (PÚBLICO) --- */
.main-header {
    background-color: var(--color-primario);
    color: white;
    padding: 15px 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.nav-bar { display: flex; justify-content: space-between; align-items: center; }
.nav-bar a { color: white; text-decoration: none; }
.public-nav ul { list-style: none; display: flex; gap: 20px; align-items: center; }

.btn-publicar {
    background-color: var(--color-secundario);
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: bold;
    color: white !important;
    transition: background 0.3s;
}
.btn-publicar:hover { background-color: #e68a00; }

.main-footer {
    background-color: #222;
    color: white;
    padding: 30px 0;
    margin-top: 50px;
    text-align: center;
}

/* --- 3. MACRO ESTRUCTURA: LAYOUT DE 3 COLUMNAS (INDEX) --- */
.layout-3-cols {
    display: grid;
    grid-template-columns: 260px 1fr 260px; /* Izquierda 260px, Centro Flexible, Derecha 260px */
    gap: 30px;
    max-width: 1550px; /* ¡AUMENTADO! Se sincroniza con el tamaño del contenedor principal */
    margin: 30px auto;
    align-items: start;
    padding: 0 20px;
}

/* Truco para que la columna central no se desborde */
.columna-central { min-width: 0; }

/* Estilo para las cajas de la barra lateral (Categorías, Filtros, Publicidad) */
.widget {
    background: #ffffff;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.widget h3 {
    margin-bottom: 15px;
    color: var(--color-primario);
    font-size: 16px;
    border-bottom: 2px solid #f1f5f9;
    padding-bottom: 10px;
}

.banner-ad {
    background: #f1f5f9;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    border: 2px dashed #cbd5e1;
    border-radius: 6px;
    text-align: center;
}

/* --- 4. CUADRÍCULA DE 3 COLUMNAS CON TARJETAS HORIZONTALES MÁS GRANDES --- */

/* Protección absoluta para la columna del centro */
.columna-central {
    min-width: 0 !important;
    overflow: hidden;
}

/* El contenedor: Mantiene 3 columnas estrictas */
.lista-anuncios {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important; 
    gap: 5px !important; /* Incrementamos ligeramente el espacio para tarjetas más grandes */
    margin-top: 5px !important;
    width: 100% !important;
}

/* La Tarjeta: Incrementamos la altura a 210px para que sean más imponentes */
.card-anuncio {
    display: flex !important;
    flex-direction: row !important; /* Imagen izquierda, texto derecha */
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    height: 260px !important; /* ¡MÁS GRANDE! Antes era 160px */
    min-width: 0 !important; 
    transition: transform 0.2s, box-shadow 0.2s;
}

.card-anuncio:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -5px rgba(0, 0, 0, 0.15);
}

/* La Imagen: Mantiene el 40% pero ahora es más alta debido a la tarjeta */
.anuncio-imagen {
    width: 25% !important;
    height: 50% !important;
    flex-shrink: 0 !important; 
    border-right: 1px solid #e2e8f0 !important;
    border-bottom: none !important;
}

.anuncio-imagen a { display: block !important; width: 100% !important; height: 100% !important; }
.anuncio-imagen img { width: 100% !important; height: 100% !important; object-fit: cover !important; }

/* La Información: Mayor padding interior gracias al nuevo tamaño */
.anuncio-info {
    width: 60% !important;
    padding: 15px !important; /* Más espacio interno */
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    min-width: 0 !important; 
}

/* Textos más grandes y legibles */
.anuncio-info h3 { 
    font-size: 15px !important; /* Texto más grande */
    margin-bottom: 4px !important; 
    line-height: 1.3 !important; 
    white-space: nowrap !important; 
    overflow: hidden !important;
    text-overflow: ellipsis !important; 
}

.anuncio-info .precio { 
    font-size: 19px !important; /* Precio más destacado */
    font-weight: bold !important; 
    color: #16a34a !important; 
    margin-bottom: 4px !important; 
}

.anuncio-info .descripcion { 
    font-size: 12px !important; /* Descripción más legible */
    color: #64748b !important; 
    margin-bottom: 4px !important; 
    display: -webkit-box !important;
    -webkit-line-clamp: 3 !important; /* ¡AHORA CABEN 3 RENGLONES! Antes eran 2 */
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

/* Barra de contacto Premium adaptada al nuevo espacio */
.premium-contacto-bar {
    padding: 5px 9px !important;
    margin-bottom: 6px !important;
    font-size: 11px !important;
}
.premium-tel { font-size: 12.5px !important; }
.icono-redes { width: 25px !important; height: 25px !important; }

/* Botón con mejor presencia */
.btn-ver {
    display: block !important;
    text-align: center !important;
    background: var(--color-primario) !important;
    color: white !important;
    padding: 7px 0 !important; /* Botón un poco más grueso */
    border-radius: 4px !important;
    text-decoration: none !important;
    font-weight: bold !important;
    font-size: 13px !important;
    width: 100% !important;
    margin-top: auto !important;
}
.btn-ver:hover { background: #002b5e; }
/* --- 5. ESTILOS PREMIUM Y REDES SOCIALES --- */
.card-premium { border: 2px solid #ffc107 !important; background: #fffcf2 !important; }
.badge-premium-inline {
    display: inline-block; background: #ffc107; color: #856404; font-size: 11px;
    padding: 3px 8px; border-radius: 12px; margin-left: 8px; vertical-align: middle;
    font-weight: bold; text-transform: uppercase; letter-spacing: 0.5px;
}
.premium-contacto-bar {
    display: flex; justify-content: space-between; align-items: center;
    background: #ffffff; padding: 8px 12px; border-radius: 6px;
    border: 1px dashed #e2e8f0; margin-bottom: 12px;
}
.premium-tel { font-size: 14px; font-weight: bold; color: #0f172a; display: flex; align-items: center; gap: 5px; }
.premium-redes { display: flex; gap: 10px; }
.icono-redes { width: 24px; height: 24px; object-fit: contain; vertical-align: middle; transition: transform 0.2s ease-in-out; }
.premium-redes a:hover .icono-redes { transform: scale(1.15); }

/* --- 6. PAGINACIÓN --- */
.paginacion-container { display: flex; justify-content: center; align-items: center; gap: 15px; margin-top: 40px; padding-top: 20px; border-top: 1px solid #e2e8f0; }
.btn-paginacion { padding: 10px 18px; background-color: var(--color-primario); color: white; text-decoration: none; border-radius: 6px; font-weight: bold; font-size: 14px; transition: background-color 0.2s; }
.btn-paginacion:hover { background-color: #002d5a; }
.info-paginacion { font-size: 15px; color: #475569; font-weight: 500; }

/* --- 7. FORMULARIOS GLOBALES Y LOGIN --- */
.auth-page { display: flex; justify-content: center; align-items: center; min-height: calc(100vh - 200px); padding: 40px 15px; }
.auth-container { background: #ffffff; width: 100%; max-width: 420px; padding: 40px; border-radius: 10px; box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
.auth-header { text-align: center; margin-bottom: 25px; }
.auth-header h2 { color: var(--color-primario); font-size: 26px; }

.form-group { margin-bottom: 20px; text-align: left; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; color: #555; font-size: 14px; }
.form-control {
    width: 100%; padding: 10px 15px; border: 1px solid #cbd5e1; border-radius: 6px;
    font-size: 14px; transition: border-color 0.3s; background-color: #fff;
}
.form-control:focus { outline: none; border-color: var(--color-primario); box-shadow: 0 0 0 3px rgba(0,64,128,0.1); }

.btn-guardar {
    background: var(--color-primario); color: white; padding: 12px 20px; border: none;
    border-radius: 6px; font-size: 15px; font-weight: bold; cursor: pointer; width: 100%; transition: background 0.3s;
}
.btn-guardar:hover { background: #002b5e; }
.auth-footer { text-align: center; margin-top: 25px; font-size: 14px; border-top: 1px solid #eee; padding-top: 20px; }
.auth-footer a { color: var(--color-primario); font-weight: bold; text-decoration: none; }

.alerta-error { background: #fee2e2; color: #b91c1c; padding: 12px; border-radius: 6px; margin-bottom: 20px; border: 1px solid #f87171; text-align: center; font-size: 14px; }
.alerta-exito { background: #dcfce7; color: #15803d; padding: 12px; border-radius: 6px; margin-bottom: 20px; border: 1px solid #4ade80; text-align: center; font-size: 14px; }

/* --- 8. PANEL DE ADMINISTRACIÓN --- */
.admin-body { background-color: #f8fafc; }
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar { width: 260px; background-color: var(--color-admin-sidebar); color: white; position: fixed; height: 100vh; overflow-y: auto; display: flex; flex-direction: column; }
.admin-logo { padding: 20px; text-align: center; background-color: #1a252f; }
.admin-logo h2 { color: white; font-size: 22px; }
.admin-nav { flex-grow: 1; padding: 20px 0; }
.admin-nav ul { list-style: none; }
.admin-nav ul li a { display: block; padding: 12px 20px; color: #cbd5e1; text-decoration: none; border-left: 4px solid transparent; }
.admin-nav ul li a:hover { background-color: var(--color-admin-hover); color: white; border-left-color: #3b82f6; }
.admin-logout { padding: 20px; background-color: #1a252f; }
.btn-logout { display: block; text-align: center; background: #ef4444; color: white; padding: 10px; border-radius: 6px; text-decoration: none; }
.admin-main { flex-grow: 1; margin-left: 260px; display: flex; flex-direction: column; }
.admin-topbar { background: white; padding: 15px 30px; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.btn-ver-sitio { background: #3b82f6; color: white; padding: 8px 16px; border-radius: 6px; text-decoration: none; font-size: 14px; }
.admin-content { padding: 30px; }
.admin-panel-section { background: white; padding: 25px; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }

/* --- 9. DISEÑO RESPONSIVO MULTINIVEL --- */

/* Laptops pequeñas / Tablets horizontales */
@media (max-width: 1200px) {
    .layout-3-cols { grid-template-columns: 250px 1fr !important; }
    .columna-derecha { display: none !important; } 
    .lista-anuncios { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; } /* Pasa a 2 columnas para que no se aprieten */
}

/* Tablets Verticales y Móviles grandes */
@media (max-width: 768px) {
    .layout-3-cols { grid-template-columns: 1fr !important; }
    .columna-derecha { display: block !important; } 
    .lista-anuncios { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
    
    .admin-layout { flex-direction: column !important; }
    .admin-sidebar { width: 100% !important; position: relative !important; height: auto !important; }
    .admin-main { margin-left: 0 !important; }
    .nav-bar { flex-direction: column !important; gap: 15px !important; }
    .public-nav ul { flex-wrap: wrap !important; justify-content: center !important; }
}

/* Teléfonos móviles pequeños */
@media (max-width: 640px) {
    /* En celulares el diseño pasa a vertical para aprovechar la pantalla del teléfono */
    .lista-anuncios { grid-template-columns: minmax(0, 1fr) !important; }
    .card-anuncio { flex-direction: column !important; height: auto !important; }
    .anuncio-imagen { width: 100% !important; height: 200px !important; border-right: none !important; border-bottom: 1px solid #e2e8f0 !important; }
    .anuncio-info { width: 100% !important; padding: 15px !important; }
    .anuncio-info h3 { font-size: 16px !important; white-space: normal !important; }
    .btn-ver { padding: 10px 0 !important; font-size: 14px !important; }
    .premium-contacto-bar { flex-direction: column !important; gap: 10px !important; }
}
/* =========================================
   CARRUSEL DE FOTOS (Detalle del Anuncio)
   ========================================= */
.carrusel-contenedor {
    width: 100%;
    margin-bottom: 30px;
}

.carrusel-principal {
    position: relative;
    width: 100%;
    height: 450px; /* Altura ideal para la foto grande */
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.carrusel-principal img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain; /* Muestra la foto completa sin recortarla */
    transition: opacity 0.3s ease-in-out;
}

/* Botones de Navegación (< >) */
.carrusel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.4);
    color: white;
    border: none;
    padding: 15px 12px;
    cursor: pointer;
    font-size: 20px;
    transition: background 0.3s;
    z-index: 10;
}

.carrusel-btn:hover { background: rgba(0, 0, 0, 0.8); }
.carrusel-btn.prev { left: 0; border-radius: 0 6px 6px 0; }
.carrusel-btn.next { right: 0; border-radius: 6px 0 0 6px; }

/* Miniaturas de la parte inferior */
.carrusel-miniaturas {
    display: flex;
    gap: 12px;
    margin-top: 15px;
    overflow-x: auto; /* Permite scroll horizontal en celular si son muchas */
    padding-bottom: 5px;
}

.miniatura {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.5;
    transition: all 0.2s;
}

.miniatura:hover { opacity: 0.9; }

/* Efecto cuando la miniatura está seleccionada */
.miniatura.activa {
    border-color: var(--color-primario);
    opacity: 1;
    box-shadow: 0 2px 8px rgba(0, 64, 128, 0.2);
}

/* Adaptación a celulares */
@media (max-width: 768px) {
    .carrusel-principal { height: 300px; }
    .miniatura { width: 60px; height: 60px; }
}

/* =========================================================================
   DISEÑO DEL HEADER (AZUL GRISÁCEO) Y MENÚ DE NAVEGACIÓN
   ========================================================================= */

/* FONDO AZUL GRISÁCEO (Elegante) */
.main-header { 
    background: linear-gradient(90deg, #1e293b 0%, #334155 100%); 
    border-bottom: 2px solid #0f172a; 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); 
}

.nav-bar { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    gap: 20px; 
    flex-wrap: wrap; 
    padding: 15px 20px; 
    max-width: 1200px; 
    margin: 0 auto; 
}

/* Tratamiento de la imagen del logo */
.header-logo-img {
    max-height: 50px; 
    width: auto; 
    object-fit: contain; 
    filter: drop-shadow(0px 2px 2px rgba(0,0,0,0.5));
}

/* Buscador Global */
.search-bar-global { 
    flex: 1; 
    max-width: 500px; 
    min-width: 250px; 
}
.search-bar-global form { 
    display: flex; 
    border: 1px solid #475569; 
    border-radius: 6px; 
    overflow: hidden; 
    box-shadow: 0 2px 4px rgba(0,0,0,0.1); 
}
.search-bar-global input { 
    flex: 1; 
    border: none; 
    padding: 10px 15px; 
    font-size: 14px; 
    outline: none; 
    background: #f8fafc; 
}
.search-bar-global button { 
    background: #0284c7; 
    color: white; 
    border: none; 
    padding: 0 20px; 
    font-weight: bold; 
    cursor: pointer; 
    transition: 0.2s; 
}
.search-bar-global button:hover { 
    background: #38bdf8; 
    color: #0f172a; 
}

/* Navegación Base - TEXTOS EN BLANCO */
.public-nav ul { 
    list-style: none; 
    display: flex; 
    align-items: center; 
    gap: 20px; 
    margin: 0; 
    padding: 0; 
}
.public-nav ul li a { 
    font-size: 15px; 
    font-weight: 600; 
    color: #f1f5f9; 
    text-decoration: none; 
    transition: 0.2s; 
    padding: 5px 0; 
    display: inline-block; 
}
.public-nav ul li a:hover { 
    color: #38bdf8; 
}

/* DROPDOWN BLINDADO */
.public-nav ul li.dropdown { 
    position: relative !important; 
}

.dropdown-trigger {
    cursor: default !important;
    user-select: none !important;
}

.public-nav ul li.dropdown .dropdown-menu { 
    display: none !important; 
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important; 
    top: 100% !important; 
    left: 0 !important; 
    background: #ffffff !important; 
    border: 1px solid #e2e8f0 !important; 
    border-radius: 6px !important; 
    list-style: none !important; 
    min-width: 240px !important; 
    padding: 8px 0 !important; 
    margin: 0 !important; 
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.3) !important; 
    z-index: 99999 !important;
    transition: none !important; 
}

/* Área de transferencia invisible */
.public-nav ul li.dropdown .dropdown-menu::before {
    content: "";
    position: absolute;
    top: -15px;
    left: 0;
    width: 100%;
    height: 15px;
    background: transparent !important;
}

.public-nav ul li.dropdown .dropdown-menu li { 
    margin: 0 !important; 
    padding: 0 !important; 
    display: block !important; 
}
.public-nav ul li.dropdown .dropdown-menu li a { 
    display: block !important; 
    padding: 10px 16px !important; 
    font-size: 14px !important; 
    color: #1e293b !important; /* Letra oscura para el fondo blanco */
    font-weight: normal !important; 
    width: 100% !important; 
    background: none !important;
}
.public-nav ul li.dropdown .dropdown-menu li a:hover { 
    background: #f1f5f9 !important; 
    color: #0284c7 !important; 
}

/* ACTIVACIÓN ESTRICTA AL PASAR EL MOUSE */
.public-nav ul li.dropdown:hover .dropdown-menu { 
    display: block !important; 
    visibility: visible !important;
    opacity: 1 !important;
}

/* Botones de acción */
.btn-publicar { 
    background: #22c55e !important; 
    color: #ffffff !important; 
    padding: 8px 16px !important; 
    border-radius: 5px; 
    border: 1px solid #16a34a !important; 
}
.btn-publicar:hover { 
    background: #16a34a !important; 
}

.btn-cuenta { 
    color: #f1f5f9 !important; 
    border: 1px solid #f1f5f9 !important; 
    padding: 7px 15px !important; 
    border-radius: 5px; 
}
.btn-cuenta:hover { 
    background: rgba(255,255,255,0.1) !important; 
    color: #ffffff !important; 
    border-color: #ffffff !important; 
}

/* Contenedor central (para envolver el contenido principal después del header) */
.main-layout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}