/**
 * ============================================
 * CAPA DE PRESENTACIÓN - COMPONENTES
 * ============================================
 * Estilos de componentes reutilizables
 */

/* ============================================
   HEADER
   ============================================ */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.header-top {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-text);
    text-align: center;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-base);
    letter-spacing: 1px;
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

@media (min-width: 640px) {
    .header-main {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .header-main {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-image {
    height: 55px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(74, 63, 53, 0.1));
}

.logo:hover .logo-image {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(252, 184, 7, 0.3));
}

@media (max-width: 768px) {
    .logo-image {
        height: 45px;
        max-width: 160px;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 40px;
        max-width: 140px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: var(--text-xl);
    }
}

/* Navegación */
.main-nav {
    display: flex;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-family: var(--font-nav);
    font-size: var(--text-lg);
    color: var(--color-text);
    padding: var(--space-2) 0;
    position: relative;
    letter-spacing: 1px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 2px;
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

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

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: var(--text-xs);
    margin-left: var(--space-1);
    transition: transform var(--transition-base);
}

.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    transition: all var(--transition-base);
}

.dropdown-link:hover {
    background: var(--color-bg);
}

.dropdown-icon {
    font-size: var(--text-lg);
}

/* Acciones del header */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.action-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--color-text);
    transition: all var(--transition-base);
    position: relative;
}

.action-btn:hover {
    background: var(--color-bg);
    color: var(--color-primary);
    transform: scale(1.1);
}

.cart-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-secondary);
    color: white;
    font-family: var(--font-small);
    font-size: var(--text-xs);
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
    box-shadow: 0 2px 8px rgba(249, 141, 156, 0.4);
}

/* Menú mobile */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--color-text);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 900px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: var(--space-8) var(--space-6);
        transition: left var(--transition-base);
        z-index: 1001;
        box-shadow: var(--shadow-lg);
    }
    
    .main-nav.open {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-4);
        align-items: flex-start;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        margin-top: var(--space-2);
        margin-left: var(--space-4);
    }
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(90, 74, 92, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   BARRA DE BÚSQUEDA
   ============================================ */
.search-bar {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: var(--space-4);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.search-bar.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--space-4) var(--space-12) var(--space-4) var(--space-6);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    font-size: var(--text-base);
    transition: border-color var(--transition-base);
}

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

.search-close {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--color-text-light);
    transition: all var(--transition-base);
}

.search-close:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.search-results {
    max-width: 600px;
    margin: var(--space-4) auto 0;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.search-results.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    transition: background var(--transition-base);
}

.search-result-item:hover {
    background: var(--color-bg);
}

.search-result-image {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.search-result-info h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.search-result-info p {
    font-size: var(--text-sm);
    color: var(--color-primary);
    font-weight: 700;
}

.search-view-all {
    display: block;
    text-align: center;
    padding: var(--space-3);
    background: var(--color-bg);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--text-sm);
}

.search-no-results {
    padding: var(--space-6);
    text-align: center;
}

.search-no-results p {
    color: var(--color-text-light);
    margin-bottom: var(--space-2);
}

.search-no-results a {
    color: var(--color-primary);
    font-weight: 600;
}

/* ============================================
   PRODUCT CARD
   ============================================ */
.product-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.product-image-wrapper {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--color-bg-alt);
}

.product-image-link {
    display: block;
    width: 100%;
    height: 100%;
}

.product-image,
.product-image-hover {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all var(--transition-base);
}

.product-image-hover {
    opacity: 0;
}

.product-card:hover .product-image {
    opacity: 0;
}

.product-card:hover .product-image-hover {
    opacity: 1;
}

/* Badges */
.product-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-xl);
    font-size: var(--text-xs);
    font-weight: 700;
    z-index: 2;
}

.product-badge + .product-badge {
    top: calc(var(--space-3) + 28px);
}

.badge-new {
    background: var(--color-accent);
    color: var(--color-text);
}

.badge-bestseller {
    background: var(--color-accent-2);
    color: var(--color-text);
}

.badge-low {
    background: var(--color-primary);
    color: white;
}

/* Botón favorito */
.favorite-btn {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    color: var(--color-text-light);
    transition: all var(--transition-base);
    z-index: 2;
}

.favorite-btn:hover {
    transform: scale(1.1);
    color: var(--color-primary);
}

.favorite-btn.active {
    background: var(--color-primary);
    color: white;
}

/* Vista rápida */
.quick-view-btn {
    position: absolute;
    bottom: var(--space-3);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: white;
    color: var(--color-text);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.product-card:hover .quick-view-btn {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.quick-view-btn:hover {
    background: var(--color-primary);
    color: white;
}

/* Info del producto */
.product-info {
    padding: var(--space-4);
}

.product-category {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-1);
}

.product-name {
    font-family: var(--font-h4);
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
    line-height: 1.3;
}

.product-name a:hover {
    color: var(--color-primary);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
}

.rating-count {
    color: var(--color-text-muted);
}

.product-description {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-4);
    line-height: 1.5;
}

/* Footer de la tarjeta */
.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.product-price {
    font-family: var(--font-price);
    font-size: var(--text-xl);
    color: var(--color-accent-3);
    letter-spacing: 1px;
}

.btn-add-cart {
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn-add-cart:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 183, 197, 0.4);
}

.btn-add-cart:disabled {
    background: var(--color-text-muted);
    cursor: not-allowed;
}

/* Grid de productos */
.products-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-columns, 4), 1fr);
    gap: var(--space-6);
}

@media (max-width: 1024px) {
    .products-grid {
        --grid-columns: 3;
    }
}

@media (max-width: 768px) {
    .products-grid {
        --grid-columns: 2;
    }
}

@media (max-width: 480px) {
    .products-grid {
        --grid-columns: 2;
        gap: var(--space-4);
    }
}

/* Empty state */
.products-empty {
    text-align: center;
    padding: var(--space-16) var(--space-4);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.products-empty h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.products-empty p {
    color: var(--color-text-light);
}