/* ==================== VARIABLES CSS ==================== */
/* Definimos colores y valores reutilizables para mantener consistencia */
:root {
    --primary-color: #FFD814;
    --primary-hover: #F7CA00;
    --secondary-color: #232F3E;
    --accent-color: #FF9900;
    --text-primary: #0F1111;
    --text-secondary: #565959;
    --text-light: #767676;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F5;
    --bg-tertiary: #EAEDED;
    --border-color: #DDD;
    --success-color: #067D62;
    --error-color: #B12704;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.1);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* ==================== RESET Y BASE ==================== */
/* Normalizamos estilos para todos los navegadores */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ==================== HEADER ==================== */
/* Barra superior con logo, búsqueda y carrito */
.header {
    background: var(--secondary-color);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Logo de la tienda */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    flex-shrink: 0;
}

.logo-icon {
    font-size: 1.8rem;
}

/* Barra de búsqueda */
.search-bar {
    flex: 1;
    display: flex;
    max-width: 700px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: white;
}

.search-category {
    padding: 12px 15px;
    border: none;
    background: var(--bg-tertiary);
    font-size: 0.9rem;
    cursor: pointer;
    border-right: 1px solid var(--border-color);
}

.search-input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    font-size: 1rem;
    outline: none;
    min-width: 0;
}

.search-btn {
    padding: 12px 20px;
    background: var(--primary-color);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

/* Acciones del header (cuenta y carrito) */
.header-actions {
    display: flex;
    gap: 15px;
}

.header-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid transparent;
    color: white;
    font-size: 0.75rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.header-btn:hover {
    border-color: white;
}

.cart-btn {
    position: relative;
}

/* Contador del carrito */
.cart-count {
    position: absolute;
    top: 0;
    right: 5px;
    background: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Botón menú móvil */
.mobile-menu-btn {
    display: none;
    padding: 8px;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
}

/* ==================== MENÚ DE CATEGORÍAS ==================== */
.categories-nav {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.categories-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 8px;
    white-space: nowrap;
}

.category-btn {
    padding: 12px 20px;
    background: transparent;
    border: none;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    flex-shrink: 0;
}

.category-btn:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.category-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    font-weight: 500;
}

/* ==================== BANNER HERO ==================== */
.hero-banner {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #37475A 100%);
    padding: 60px 20px;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 25px;
}

.hero-btn {
    padding: 14px 40px;
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.hero-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* ==================== CONTENIDO PRINCIPAL ==================== */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ==================== GRID DE PRODUCTOS ==================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

/* ==================== TARJETA DE PRODUCTO ==================== */
.product-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

/* Contenedor de imagen del producto */
.product-image-container {
    position: relative;
    padding-top: 100%;
    background: var(--bg-secondary);
    overflow: hidden;
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

/* Badge de descuento */
.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--error-color);
    color: white;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Información del producto */
.product-info {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.product-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Rating con estrellas */
.product-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 10px;
}

.stars {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.rating-count {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Precios */
.product-price-container {
    margin-top: auto;
    margin-bottom: 12px;
}

.product-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.product-original-price {
    font-size: 0.85rem;
    color: var(--text-light);
    text-decoration: line-through;
    margin-left: 8px;
}

/* Botón agregar al carrito */
.add-to-cart-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.add-to-cart-btn:hover {
    background: var(--primary-hover);
}

/* ==================== BOTÓN CARGAR MÁS ==================== */
.load-more-container {
    text-align: center;
    margin-top: 40px;
}

.load-more-btn {
    padding: 14px 40px;
    background: var(--bg-primary);
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-color);
    cursor: pointer;
    transition: var(--transition);
}

.load-more-btn:hover {
    background: var(--accent-color);
    color: white;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 50px 20px 20px;
    margin-top: 60px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
    text-decoration: underline;
}

.payment-methods {
    display: flex;
    gap: 15px;
}

.payment-icon {
    font-size: 1.5rem;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-link {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-link:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
}

/* ==================== MODAL DE PRODUCTO ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-tertiary);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.modal-image-container {
    background: var(--bg-secondary);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.modal-info {
    padding: 30px 30px 30px 0;
}

.modal-category {
    font-size: 0.8rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-title {
    font-size: 1.5rem;
    margin: 10px 0;
    color: var(--text-primary);
    line-height: 1.3;
}

.modal-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.modal-price-container {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 20px;
}

.modal-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-original-price {
    font-size: 1rem;
    color: var(--text-light);
    text-decoration: line-through;
}

.modal-discount {
    background: var(--error-color);
    color: white;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.modal-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.modal-stock {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.stock-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success-color);
}

.modal-quantity {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.modal-quantity label {
    font-weight: 500;
}

.quantity-controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.quantity-btn:hover {
    background: var(--bg-tertiary);
}

.quantity-input {
    width: 60px;
    height: 40px;
    text-align: center;
    border: none;
    font-size: 1rem;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.quantity-input::-webkit-outer-spin-button,
.quantity-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

.modal-actions {
    display: flex;
    gap: 12px;
}

.modal-add-cart,
.modal-buy-now {
    flex: 1;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.modal-add-cart {
    background: var(--primary-color);
    border: none;
    color: var(--text-primary);
}

.modal-add-cart:hover {
    background: var(--primary-hover);
}

.modal-buy-now {
    background: var(--accent-color);
    border: none;
    color: white;
}

.modal-buy-now:hover {
    background: #E68A00;
}

/* ==================== SIDEBAR DEL CARRITO ==================== */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cart-overlay.active {
    display: block;
    opacity: 1;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    max-width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    transition: right 0.3s ease;
    z-index: 2001;
}

.cart-overlay.active .cart-sidebar {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.cart-header h3 {
    font-size: 1.3rem;
}

.cart-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.cart-close:hover {
    background: var(--bg-tertiary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.cart-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.cart-empty-icon {
    font-size: 4rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.cart-item {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.cart-item-qty-btn {
    width: 28px;
    height: 28px;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.cart-item-qty-btn:hover {
    background: var(--bg-tertiary);
}

.cart-item-qty {
    font-weight: 500;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--error-color);
    font-size: 0.85rem;
    cursor: pointer;
    margin-top: 8px;
}

.cart-item-remove:hover {
    text-decoration: underline;
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.cart-total-amount {
    font-size: 1.5rem;
    font-weight: 700;
}

.checkout-btn {
    width: 100%;
    padding: 16px;
    background: var(--accent-color);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.checkout-btn:hover {
    background: #E68A00;
}

/* ==================== NOTIFICACIÓN ==================== */
.notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--secondary-color);
    color: white;
    padding: 15px 25px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    opacity: 0;
    transition: all 0.3s ease;
}

.notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.notification-icon {
    background: var(--success-color);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

/* ==================== RESPONSIVE DESIGN ==================== */
/* Adaptamos el diseño para diferentes tamaños de pantalla */

/* Tablets */
@media (max-width: 992px) {
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-info {
        padding: 20px;
    }
    
    .modal-image-container {
        max-height: 300px;
    }
}

/* Tablets pequeñas */
@media (max-width: 768px) {
    .header-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .search-category {
        display: none;
    }
    
    .logo-text {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .product-name {
        font-size: 0.85rem;
    }
    
    .product-price {
        font-size: 1.1rem;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .cart-sidebar {
        width: 100%;
    }
}

/* Móviles */
@media (max-width: 480px) {
    .header-container {
        padding: 0 15px;
        gap: 10px;
    }
    
    .search-input {
        padding: 10px;
        font-size: 0.9rem;
    }
    
    .categories-container {
        padding: 0 15px;
    }
    
    .category-btn {
        padding: 10px 15px;
        font-size: 0.85rem;
    }
    
    .hero-banner {
        padding: 40px 15px;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: 25px 15px;
    }
    
    .section-header h2 {
        font-size: 1.4rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .product-info {
        padding: 10px;
    }
    
    .product-category {
        font-size: 0.65rem;
    }
    
    .product-name {
        font-size: 0.8rem;
    }
    
    .product-rating {
        margin-bottom: 5px;
    }
    
    .stars {
        font-size: 0.75rem;
    }
    
    .rating-count {
        font-size: 0.7rem;
    }
    
    .product-price {
        font-size: 1rem;
    }
    
    .product-original-price {
        font-size: 0.75rem;
    }
    
    .add-to-cart-btn {
        padding: 10px;
        font-size: 0.8rem;
    }
    
    .footer {
        padding: 30px 15px 15px;
    }
    
    .footer-container {
        gap: 25px;
    }
    
    .modal-content {
        margin: 10px;
        max-height: 95vh;
    }
    
    .modal-title {
        font-size: 1.2rem;
    }
    
    .modal-price {
        font-size: 1.5rem;
    }
}

/* Ocultar scroll en categorías pero permitir scroll */
.categories-nav::-webkit-scrollbar {
    display: none;
}

.categories-nav {
    -ms-overflow-style: none;
    scrollbar-width: none;
}