/**
 * ============================================================================
 * FRONT-END HEADER CSS - ECOMMERCE MEX
 * ============================================================================
 * Estilos del header, navegación y barra superior
 * ============================================================================
 */

/* =========================================================================
   TOP BAR (Barra Superior)
   ========================================================================= */
.top-bar {
    background: var(--color-primary-dark);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    padding: var(--spacing-2) 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.top-bar a {
    color: var(--color-white);
    opacity: 0.85;
    transition: opacity var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.top-bar a:hover {
    opacity: 1;
}

.top-bar-divider {
    width: 1px;
    height: 16px;
    background: rgba(255, 255, 255, 0.3);
}

/* Selector de Idioma */
.language-selector {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.language-selector button {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    transition: background var(--transition-fast);
}

.language-selector button:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* =========================================================================
   HEADER PRINCIPAL
   ========================================================================= */
.main-header {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: calc(var(--z-sticky) + 1);
}

.header-content {
    display: flex;
    gap: var(--spacing-4);
    align-items: center;
    padding: var(--spacing-4) 0;
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
}

.header-logo img {
    height: 50px;
    width: auto;
}

/* Buscador */
.search-container {
    flex: 1;
    max-width: 600px;
}

.search-form {
    display: flex;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 2px solid transparent;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-form:focus-within {
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
}

.search-form input {
    flex: 1;
    border: none;
    background: transparent;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    outline: none;
}

.search-form input::placeholder {
    color: var(--color-gray-400);
}

.search-btn {
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-3) var(--spacing-5);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    transition: background var(--transition-fast);
}

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

/* Acciones del Header */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.header-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-1);
    color: var(--color-gray-700);
    font-size: var(--font-size-xs);
    transition: color var(--transition-fast);
    padding: var(--spacing-2);
    border-radius: var(--radius-lg);
}

.header-action:hover {
    color: var(--color-primary);
    background: var(--color-gray-50);
}

.header-action-icon {
    position: relative;
}

.header-action .badge-count {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 18px;
    height: 18px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* =========================================================================
   BARRA DE BENEFICIOS
   ========================================================================= */
.benefits-bar {
    background: var(--color-info);
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.benefits-bar .container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-8);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-info-dark);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.benefit-item svg {
    color: var(--color-info-dark);
}

/* =========================================================================
   NAVEGACIÓN DE CATEGORÍAS
   ========================================================================= */
.categories-nav {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--spacing-3) 0;
}

/* sticky-nav ya no se usa - solo el header principal es fijo */

.categories-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    transition: background var(--transition-fast);
}

.categories-btn:hover {
    background: var(--color-primary);
}

.categories-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: var(--spacing-2) 0;
}

.categories-list::-webkit-scrollbar {
    display: none;
}

.category-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-2) var(--spacing-3);
    color: var(--color-gray-700);
    font-size: var(--font-size-xs);
    text-align: center;
    white-space: nowrap;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.category-link:hover {
    color: var(--color-primary);
    background: var(--color-gray-50);
}

.category-link.active {
    color: var(--color-primary);
    background: rgba(30, 64, 175, 0.1);
}

.category-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    color: var(--color-gray-600);
}

.category-link:hover .category-icon,
.category-link.active .category-icon {
    background: rgba(30, 64, 175, 0.1);
    color: var(--color-primary);
}

/* Botón Ver Todo destacado */
.category-link.category-link-all {
    background: linear-gradient(135deg, #f43f5e, #ec4899);
    color: white;
    font-weight: 600;
}

.category-link.category-link-all .category-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.category-link.category-link-all:hover {
    background: linear-gradient(135deg, #e11d48, #db2777);
    color: white;
}

/* =========================================================================
   MENÚ MÓVIL
   ========================================================================= */
.mobile-menu-btn {
    display: none;
    padding: var(--spacing-2);
    color: var(--color-gray-700);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-white);
    z-index: var(--z-modal);
    transition: left var(--transition-slow);
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
}

.mobile-menu.open {
    left: 0;
}

.mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-menu-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu-close {
    padding: var(--spacing-2);
    color: var(--color-gray-500);
}

.mobile-menu-content {
    padding: var(--spacing-4);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) 0;
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
    border-bottom: 1px solid var(--color-gray-100);
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 991px) {
    .header-content {
        grid-template-columns: auto 1fr auto;
        gap: var(--spacing-4);
    }

    .search-container {
        max-width: 400px;
    }

    .header-action span {
        display: none;
    }

    .benefits-bar .container {
        gap: var(--spacing-4);
    }

    .benefit-item span {
        display: none;
    }
}

@media (max-width: 767px) {
    .top-bar-left {
        display: none;
    }

    .header-content {
        grid-template-columns: auto auto 1fr auto;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .search-container {
        order: 4;
        grid-column: 1 / -1;
        max-width: 100%;
    }

    .header-logo img {
        height: 40px;
    }

    .header-actions {
        gap: var(--spacing-2);
    }

    .benefits-bar {
        padding: var(--spacing-2) 0;
    }

    .benefits-bar .container {
        justify-content: space-around;
    }

    .categories-nav {
        padding: var(--spacing-2) 0;
    }
}