/* ============================================
   LAYOUT CSS - Estructura principal, grid, header, footer
   ============================================ */

/* ============================================
   CONTENEDOR PRINCIPAL
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container--wide {
    max-width: 1400px;
}

.container--narrow {
    max-width: 900px;
}

/* ============================================
   HEADER Y NAVEGACIÓN
   ============================================ */

.header {
    background-color: var(--color-white);
    color: var(--color-secondary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    overflow: visible;
}

/* Barra promocional naranja */
.header__promo {
    background-color: var(--color-promo-bg);
    padding: var(--spacing-xs) 0;
    text-align: center;
    /* Ocultar inicialmente hasta que se cargue la configuración */
    display: none;
    /* Transición suave cuando aparece */
    opacity: 0;
    transition: opacity var(--transition-fast);
}

/* Clase para mostrar el banner cuando esté listo */
.header__promo--loaded {
    display: block;
    opacity: 1;
}

.header__promo-link {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: opacity var(--transition-fast);
}

.header__promo-link:hover {
    opacity: 0.9;
}

.header__promo-link strong {
    font-weight: 700;
}

.header__top {
    background-color: var(--color-secondary);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

.header__top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header__top-info {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.header__top-link {
    color: var(--color-gray-dark);
    transition: color var(--transition-fast);
}

.header__top-link:hover {
    color: var(--color-primary);
}

.header__main {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-gray-medium);
    background-color: var(--color-white);
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: opacity var(--transition-fast);
}

.header__logo:hover {
    opacity: 0.9;
}

.header__logo-img {
    height: 50px;
    width: auto;
    display: block;
}

/* Barra de búsqueda */
.header__search {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-form {
    display: flex;
    gap: 0;
    width: 100%;
}

.search-form__input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray-medium);
    border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
    font-size: var(--font-size-base);
    background-color: var(--color-gray-light);
    color: var(--color-secondary);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.search-form__input::placeholder {
    color: var(--color-gray-dark);
    opacity: 0.7;
}

.search-form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
}

.search-form__input::placeholder {
    color: var(--color-gray-dark);
}

.search-form__button {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 1px solid var(--color-primary);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    font-weight: 600;
    transition: background-color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.search-form__button:hover {
    background-color: var(--color-primary-hover);
}

/* Acciones del header */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header__action {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-secondary);
    padding: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.header__action:hover {
    color: var(--color-primary);
}

.header__action-icon {
    font-size: var(--font-size-xl);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Colores personalizados para los iconos del header */
.header__action[href*="login"] .header__action-icon i,
.header__action[href*="mi-cuenta"] .header__action-icon i {
    color: #7c3aed; /* Morado/púrpura para Mi Cuenta */
}

.header__action[href*="favoritos"] .header__action-icon i {
    color: #ec4899; /* Rosa para Favoritos */
}

.header__action[href*="carrito"] .header__action-icon i {
    color: #6b7280; /* Gris claro para Carrito */
}

.header__action-badge {
    position: static;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--border-radius-full);
    min-width: 20px;
    height: 20px;
    text-align: center;
    line-height: 1;
    margin-left: var(--spacing-xs);
}

/* Navegación principal */
.nav {
    background-color: #162845;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    overflow: visible;
    position: relative;
}

.nav__toggle {
    display: none;
    background: none;
    color: var(--color-white);
    font-size: var(--font-size-xl);
    padding: var(--spacing-sm);
}

.nav__list {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
    padding: var(--spacing-sm) 0;
    justify-content: flex-start;
    align-items: center;
}

.nav__list--categories {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
}

.nav__item {
    position: relative;
    z-index: 1;
}

.nav__item:hover {
    z-index: 1051;
}

.nav__link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-white);
    font-weight: 500;
    transition: color var(--transition-fast), background-color var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav__link--has-dropdown::after {
    content: '▾';
    margin-left: var(--spacing-xs);
    font-size: var(--font-size-sm);
    transition: transform var(--transition-fast);
}

.nav__item:hover .nav__link--has-dropdown::after {
    transform: rotate(180deg);
}

/* Botón de categorías destacado (estilo Tecnoplaza) */
.nav__link--categories {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    font-weight: 600;
    position: relative;
}

.nav__link--categories:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-white) !important;
}

.nav__link--categories::before {
    display: none;
}

/* Dropdown de navegación */
.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    min-width: 250px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-radius: var(--border-radius-md);
    border-top: 3px solid var(--color-primary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1051 !important;
    padding: var(--spacing-sm) 0;
    margin-top: 0;
    padding-top: calc(var(--spacing-xs) + var(--spacing-sm));
    display: block;
    pointer-events: none;
}

/* Zona de transición invisible para mantener el hover activo */
.nav__dropdown::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: var(--spacing-xs);
    background: transparent;
}

.nav__item:hover .nav__dropdown,
.nav__dropdown:hover {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0);
    pointer-events: auto;
    display: block;
}

.nav__dropdown-item {
    border-bottom: 1px solid var(--color-gray-light);
}

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

.nav__dropdown-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-secondary);
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.nav__dropdown-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--color-primary);
    transform: scaleY(0);
    transition: transform var(--transition-fast);
}

.nav__dropdown-link:hover {
    background-color: var(--color-gray-light);
    color: var(--color-primary);
    padding-left: calc(var(--spacing-lg) + 8px);
}

.nav__dropdown-link:hover::before {
    transform: scaleY(1);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main {
    min-height: calc(100vh - 300px);
    padding: 0 0 var(--spacing-xl) 0;
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
}

/* Breadcrumbs */
.breadcrumbs {
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-dark);
}

.breadcrumbs__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    align-items: center;
}

.breadcrumbs__item::after {
    content: '/';
    margin-left: var(--spacing-xs);
    color: var(--color-gray-medium);
}

.breadcrumbs__item:last-child::after {
    content: '';
}

.breadcrumbs__link {
    color: var(--color-gray-dark);
}

.breadcrumbs__link:hover {
    color: var(--color-primary);
}

.breadcrumbs__link--current {
    color: var(--color-secondary);
    font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--color-secondary);
    color: var(--color-gray-medium);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer__section-title {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer__logo {
    font-family: var(--font-secondary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__description {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__link {
    color: var(--color-gray-medium);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
    display: inline-block;
}

.footer__link:hover {
    color: var(--color-white);
    padding-left: var(--spacing-xs);
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-fast);
}

.footer__social-link:hover {
    background-color: var(--color-primary);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
}

.footer__bottom p {
    margin: 0;
    color: var(--color-white);
}

.footer__bottom span {
    color: var(--color-white);
}

/* ============================================
   GRID SYSTEM
   ============================================ */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid--auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ============================================
   RESPONSIVE - LAYOUT
   ============================================ */

@media (max-width: 1023px) {
    .header__content {
        flex-wrap: wrap;
    }
    
    .header__search {
        order: 3;
        max-width: 100%;
        width: 100%;
    }
    
    .nav__toggle {
        display: block;
    }
    
    .nav {
        overflow: visible;
    }
    
    .nav {
        position: relative;
    }
    
    .nav .container {
        position: relative;
    }
    
    .nav__list {
        display: none;
        flex-direction: column;
        flex-wrap: nowrap;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        z-index: 1040;
        max-height: calc(100vh - 150px);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        padding: 0;
        margin: 0;
    }
    
    .nav__list--open {
        display: flex;
    }
    
    .nav__item {
        width: 100%;
        flex-shrink: 0;
    }
    
    .nav__link {
        width: 100%;
        border-bottom: 1px solid var(--color-gray-light);
        color: var(--color-secondary);
    }
    
    .nav__link--categories {
        background-color: var(--color-primary);
        color: var(--color-white) !important;
    }
    
    /* Dropdown en móvil: oculto por defecto, se expande con clase */
    .nav__dropdown {
        position: static;
        opacity: 0;
        max-height: 0;
        visibility: hidden;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        margin-top: 0;
        padding-top: 0;
        padding-bottom: 0;
        overflow: hidden;
        pointer-events: none;
        transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    }
    
    /* Dropdown expandido en móvil */
    .nav__dropdown--mobile-open {
        opacity: 1;
        max-height: 500px;
        visibility: visible;
        padding-top: var(--spacing-xs);
        padding-bottom: var(--spacing-xs);
        pointer-events: auto;
    }
    
    .nav__dropdown::before {
        display: none;
    }
    
    .nav__dropdown-item {
        width: 100%;
    }
    
    .nav__dropdown-link {
        width: 100%;
        padding-left: calc(var(--spacing-lg) + var(--spacing-lg));
        color: var(--color-secondary);
    }
    
    /* Flecha del dropdown que gira cuando está abierto en móvil */
    .nav__item:has(.nav__dropdown--mobile-open) .nav__link--has-dropdown::after {
        transform: rotate(180deg);
    }
    
    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .header__top-content {
        flex-direction: column;
        text-align: center;
    }
    
    .header__top-info {
        justify-content: center;
    }
    
    .header__actions {
        gap: var(--spacing-sm);
    }
    
    .header__action-text {
        display: none;
    }
    
    .grid--2,
    .grid--3,
    .grid--4 {
        grid-template-columns: 1fr;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}