/* ============================================
   VB - Variedad de Bandidos
   Estilos Globales - Mobile First
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* Variables CSS */
:root {
    --primary: #1a1a2e;
    --secondary: #16213e;
    --accent: #ff2d55;
    --accent-hover: #e0264a;
    --accent-light: #ffe5ea;
    --success: #34c759;
    --warning: #ff9500;
    --danger: #ff3b30;
    --info: #5ac8fa;
    --purple: #af52de;
    --teal: #5ac8fa;
    --light: #f2f2f7;
    --dark: #1c1c1e;
    --gray: #8e8e93;
    --gray-light: #c7c7cc;
    --white: #ffffff;
    --sidebar-width: 260px;
    --navbar-height: 60px;
    --bottom-nav-height: 65px;
    --top-nav-height: 60px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #f5f5f7;
    color: var(--dark);
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
    padding-bottom: calc(var(--bottom-nav-height) + 20px);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: var(--accent);
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   TOP NAVBAR - Mobile First
   ============================================ */
.top-navbar {
    background: var(--white);
    padding: 0;
    min-height: var(--top-nav-height);
    position: sticky;
    top: 0;
    z-index: 1020;
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.top-navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--top-nav-height);
    padding: 0 16px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.nav-brand .brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), #ff6b81);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
}

.nav-brand .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.nav-brand .brand-name {
    font-size: 1.1rem;
    font-weight: 800;
}

.nav-brand .brand-tagline {
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-action-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--primary);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.nav-action-btn:hover {
    background: var(--light);
}

.nav-action-btn .badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    font-size: 0.6rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
}

/* Menú desplegable móvil */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1030;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: var(--white);
    z-index: 1031;
    transition: var(--transition);
    padding: 20px;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--light);
}

.mobile-menu-header h5 {
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0;
}

.mobile-menu-close {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--light);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--light);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.mobile-menu .user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.3rem;
}

.mobile-menu .user-name {
    font-weight: 700;
    font-size: 1rem;
}

.mobile-menu .user-role {
    font-size: 0.75rem;
    color: var(--gray);
    text-transform: capitalize;
}

.mobile-menu .menu-section {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray);
    font-weight: 600;
    margin: 20px 0 10px;
    padding-left: 5px;
}

.mobile-menu .menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 15px;
    color: var(--dark);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.95rem;
}

.mobile-menu .menu-link:hover,
.mobile-menu .menu-link.active {
    background: var(--light);
    color: var(--accent);
}

.mobile-menu .menu-link i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
    color: var(--gray);
}

.mobile-menu .menu-link:hover i,
.mobile-menu .menu-link.active i {
    color: var(--accent);
}

/* ============================================
   BOTTOM NAVIGATION - Mobile (estilo app)
   ============================================ */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-around;
    z-index: 1020;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    padding: 0 5px;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 12px;
    color: var(--gray);
    font-size: 0.65rem;
    font-weight: 500;
    transition: var(--transition);
    border-radius: 12px;
    min-width: 55px;
    cursor: pointer;
    text-decoration: none;
    position: relative;
}

.bottom-nav .nav-item i {
    font-size: 1.4rem;
    transition: var(--transition);
}

.bottom-nav .nav-item.active {
    color: var(--accent);
}

.bottom-nav .nav-item.active i {
    transform: scale(1.1);
}

.bottom-nav .nav-item .badge {
    position: absolute;
    top: 2px;
    right: 8px;
    min-width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    font-size: 0.55rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   FOOTER PRINCIPAL
   ============================================ */
.app-footer {
    background: var(--primary);
    color: rgba(255,255,255,0.7);
    padding: 30px 16px 20px;
    font-size: 0.85rem;
    margin-top: auto;
}

.app-footer .footer-brand {
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.app-footer .footer-links {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.app-footer .footer-links a {
    color: rgba(255,255,255,0.6);
    font-weight: 500;
    font-size: 0.8rem;
}

.app-footer .footer-links a:hover {
    color: white;
}

.app-footer .social-icons {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
}

.app-footer .social-icons a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
}

.app-footer .social-icons a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.app-footer .copyright {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 15px;
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
}

/* ============================================
   BANNERS / HERO
   ============================================ */
.hero-section {
    margin: 10px 0;
    padding: 0 12px;
}

.banner-carousel {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.banner-carousel .carousel-inner {
    border-radius: var(--radius-xl);
}

.banner-carousel .carousel-item {
    height: 180px;
}

.banner-carousel .carousel-item img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.banner-carousel .carousel-indicators {
    bottom: 10px;
}

.banner-carousel .carousel-indicators button {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.7);
    border: none;
    margin: 0 3px;
}

.banner-carousel .carousel-indicators button.active {
    background: white;
    width: 20px;
    border-radius: 4px;
}

/* ============================================
   CATEGORÍAS CHIPS (Horizontal scroll)
   ============================================ */
.categories-scroll {
    padding: 12px 0;
    margin: 0 12px;
}

.categories-scroll .chips-container {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 5px 2px;
}

.categories-scroll .chips-container::-webkit-scrollbar {
    display: none;
}

.category-chip {
    flex-shrink: 0;
    scroll-snap-align: start;
    padding: 10px 20px;
    border-radius: 50px;
    background: var(--white);
    color: var(--dark);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.category-chip i {
    font-size: 0.9rem;
}

.category-chip:hover,
.category-chip.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(255,45,85,0.3);
}

/* ============================================
   SECCIÓN DE PRODUCTOS
   ============================================ */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 16px 10px;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.section-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Grid de productos */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0 12px;
}

/* ============================================
   CARD DE PRODUCTO - Estilo moderno juvenil
   ============================================ */
.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card .card-img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    background: #f0f0f5;
}

.product-card .card-img-top {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .card-img-top {
    transform: scale(1.08);
}

.product-card .card-badges {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.product-card .badge-sale {
    background: var(--accent);
    color: white;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.product-card .badge-new {
    background: var(--success);
    color: white;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.product-card .badge-stock {
    background: var(--warning);
    color: white;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 700;
}

.product-card .quick-actions {
    position: absolute;
    bottom: 10px;
    right: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
}

.product-card:hover .quick-actions {
    opacity: 1;
    transform: translateX(0);
}

.quick-action-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: white;
    border: none;
    box-shadow: var(--shadow);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--primary);
}

.quick-action-btn:hover {
    background: var(--accent);
    color: white;
    transform: scale(1.1);
}

.product-card .card-body {
    padding: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.product-card .card-category {
    font-size: 0.7rem;
    color: var(--gray);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.product-card .card-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

.product-card .card-title a {
    color: var(--dark);
}

.product-card .card-price {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
}

.product-card .price-current {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--accent);
}

.product-card .price-old {
    font-size: 0.8rem;
    color: var(--gray);
    text-decoration: line-through;
    font-weight: 500;
}

.product-card .card-footer {
    padding: 8px 12px 12px;
    background: transparent;
    border: none;
}

.product-card .btn-add-cart {
    width: 100%;
    padding: 10px;
    border-radius: 50px;
    background: var(--primary);
    color: white;
    border: none;
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: 'Poppins', sans-serif;
}

.product-card .btn-add-cart:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255,45,85,0.3);
}

.product-card .btn-add-cart:active {
    transform: scale(0.96);
}

.product-card .btn-add-cart.added {
    background: var(--success);
}

/* ============================================
   BARRA DE BÚSQUEDA
   ============================================ */
.search-bar {
    padding: 10px 16px;
}

.search-bar .input-group {
    background: var(--white);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.search-bar .form-control {
    border: none;
    padding: 14px 20px;
    font-size: 0.9rem;
    background: transparent;
    font-family: 'Poppins', sans-serif;
}

.search-bar .form-control:focus {
    box-shadow: none;
}

.search-bar .btn-search {
    background: var(--accent);
    color: white;
    border: none;
    padding: 14px 20px;
    font-weight: 600;
}

/* ============================================
   PÁGINA DE PRODUCTO INDIVIDUAL
   ============================================ */
.product-detail {
    padding: 0 12px 20px;
}

.product-detail .product-gallery {
    position: relative;
    margin: 0 -12px 15px;
}

.product-detail .product-gallery img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.product-detail .gallery-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 10px 0;
}

.product-detail .gallery-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-light);
    cursor: pointer;
    border: none;
}

.product-detail .gallery-dot.active {
    background: var(--accent);
    width: 20px;
    border-radius: 4px;
}

.product-detail .product-info {
    background: var(--white);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: 20px 16px;
    margin: -20px -12px 0;
    position: relative;
    z-index: 1;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.05);
}

.product-detail .product-category {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-detail .product-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 5px 0;
    color: var(--primary);
}

.product-detail .product-price {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent);
    margin: 10px 0;
}

.product-detail .product-description {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 15px 0;
}

.product-detail .stock-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: var(--light);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin: 15px 0;
    width: fit-content;
}

.product-detail .stock-info.in-stock {
    color: var(--success);
}

.product-detail .stock-info.low-stock {
    color: var(--warning);
}

.product-detail .stock-info.out-stock {
    color: var(--danger);
}

.product-detail .quantity-selector {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 20px 0;
}

.product-detail .qty-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--light);
    border: 2px solid transparent;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Poppins', sans-serif;
}

.product-detail .qty-btn:hover {
    background: var(--accent);
    color: white;
}

.product-detail .qty-input {
    width: 60px;
    height: 45px;
    text-align: center;
    border: none;
    background: transparent;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
}

.product-detail .btn-buy {
    width: 100%;
    padding: 16px;
    border-radius: 50px;
    background: var(--accent);
    color: white;
    border: none;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'Poppins', sans-serif;
}

.product-detail .btn-buy:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255,45,85,0.3);
}

.product-detail .btn-buy:active {
    transform: scale(0.97);
}

/* ============================================
   CARRITO DE COMPRAS
   ============================================ */
.cart-page {
    padding: 0 12px 20px;
}

.cart-item {
    background: var(--white);
    border-radius: var(--radius);
    padding: 15px;
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
}

.cart-item .cart-item-img {
    width: 80px;
    height: 100px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.cart-item .cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item .cart-item-title {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--dark);
}

.cart-item .cart-item-price {
    font-weight: 800;
    color: var(--accent);
    font-size: 1rem;
}

.cart-item .cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 8px;
}

.cart-item .qty-btn-sm {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--light);
    border: none;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--dark);
}

.cart-item .qty-value {
    font-weight: 700;
    min-width: 25px;
    text-align: center;
}

.cart-item .btn-remove {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: #ffe5e5;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cart-summary {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-top: 20px;
}

.cart-summary .summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.cart-summary .summary-total {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent);
    border-top: 2px solid var(--light);
    padding-top: 15px;
    margin-top: 10px;
}

.cart-summary .btn-checkout {
    width: 100%;
    padding: 16px;
    border-radius: 50px;
    background: var(--success);
    color: white;
    border: none;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.cart-empty {
    text-align: center;
    padding: 60px 20px;
}

.cart-empty .empty-icon {
    font-size: 5rem;
    color: var(--gray-light);
    margin-bottom: 20px;
}

.cart-empty h3 {
    font-weight: 800;
    margin-bottom: 10px;
}

.cart-empty p {
    color: var(--gray);
    margin-bottom: 20px;
}

/* ============================================
   CHECKOUT
   ============================================ */
.checkout-page {
    padding: 0 12px 30px;
}

.checkout-step {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--white);
    border-radius: var(--radius);
}

.checkout-step .step-number {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.checkout-step .step-title {
    font-weight: 700;
    font-size: 0.9rem;
}

.payment-method-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 10px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 15px;
}

.payment-method-card:hover {
    border-color: var(--gray-light);
}

.payment-method-card.selected {
    border-color: var(--accent);
    background: var(--accent-light);
}

.payment-method-card .method-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.payment-method-card.selected .method-icon {
    background: var(--accent);
    color: white;
}

/* ============================================
   CONFIRMACIÓN DE ORDEN
   ============================================ */
.order-confirmation {
    text-align: center;
    padding: 40px 20px;
}

.order-confirmation .success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--success);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 20px;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.order-confirmation h2 {
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.order-confirmation .order-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 20px;
}

.order-confirmation .order-details {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    text-align: left;
    margin: 20px 0;
    box-shadow: var(--shadow-sm);
}

/* ============================================
   LOGIN / REGISTER - Mobile First
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(180deg, #f5f5f7 0%, #e8e8ed 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 30px 24px;
    box-shadow: var(--shadow-lg);
}

.auth-card .auth-logo {
    text-align: center;
    margin-bottom: 25px;
}

.auth-card .auth-logo .logo-circle {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent), #ff6b81);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 12px;
}

.auth-card h2 {
    font-weight: 800;
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 5px;
}

.auth-card .auth-subtitle {
    text-align: center;
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 25px;
}

.auth-card .form-group {
    margin-bottom: 16px;
}

.auth-card .form-label {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--dark);
}

.auth-card .form-control {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 2px solid #e5e5ea;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
    background: #f9f9fb;
}

.auth-card .form-control:focus {
    border-color: var(--accent);
    background: white;
    box-shadow: 0 0 0 4px rgba(255,45,85,0.1);
    outline: none;
}

.auth-card .btn-auth {
    width: 100%;
    padding: 16px;
    border-radius: 50px;
    background: var(--accent);
    color: white;
    border: none;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
    font-family: 'Poppins', sans-serif;
}

.auth-card .btn-auth:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,45,85,0.3);
}

.auth-card .auth-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.85rem;
}

.auth-card .auth-link a {
    font-weight: 700;
}

.password-field {
    position: relative;
}

.password-field .toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    font-size: 1.1rem;
}

/* ============================================
   ADMIN - SIDEBAR RESPONSIVE
   ============================================ */
.admin-body {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1040;
    transition: var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.admin-sidebar.collapsed {
    width: 70px;
}

.admin-sidebar .sidebar-brand {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-weight: 700;
    font-size: 1.2rem;
    white-space: nowrap;
}

.admin-sidebar .sidebar-brand i {
    font-size: 1.5rem;
    color: var(--accent);
    min-width: 30px;
    text-align: center;
}

.admin-sidebar .sidebar-nav {
    list-style: none;
    padding: 10px 0;
}

.admin-sidebar .sidebar-nav .nav-section {
    padding: 15px 20px 5px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.4);
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
}

.admin-sidebar .sidebar-nav .nav-item {
    margin: 2px 10px;
}

.admin-sidebar .sidebar-nav .nav-link {
    color: rgba(255,255,255,0.7);
    padding: 12px 15px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
    font-weight: 500;
    white-space: nowrap;
}

.admin-sidebar .sidebar-nav .nav-link i {
    font-size: 1.2rem;
    min-width: 25px;
    text-align: center;
}

.admin-sidebar .sidebar-nav .nav-link:hover,
.admin-sidebar .sidebar-nav .nav-link.active {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}

.admin-sidebar.collapsed .sidebar-brand span,
.admin-sidebar.collapsed .nav-section,
.admin-sidebar.collapsed .nav-link span {
    display: none;
}

.admin-sidebar.collapsed .sidebar-nav .nav-link {
    justify-content: center;
    padding: 12px;
}

.admin-sidebar.collapsed .sidebar-nav .nav-link i {
    margin: 0;
}

.admin-main {
    margin-left: var(--sidebar-width);
    flex: 1;
    transition: var(--transition);
    min-width: 0;
}

.admin-main.expanded {
    margin-left: 70px;
}

.admin-topbar {
    background: var(--white);
    padding: 10px 20px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1030;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 60px;
}

.admin-topbar .toggle-sidebar {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
    transition: var(--transition);
}

.admin-topbar .toggle-sidebar:hover {
    color: var(--accent);
}

.admin-topbar .user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.admin-topbar .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

/* ============================================
   SELLER - ESTILOS
   ============================================ */
.seller-body {
    display: flex;
    min-height: 100vh;
}

.seller-sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #0d6efd 0%, #0a58ca 100%);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1040;
    transition: var(--transition);
    overflow-y: auto;
}

.seller-sidebar .sidebar-nav .nav-link:hover,
.seller-sidebar .sidebar-nav .nav-link.active {
    background: rgba(255,255,255,0.2);
}

.seller-main {
    margin-left: var(--sidebar-width);
    flex: 1;
    transition: var(--transition);
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    border-radius: var(--radius-sm);
    padding: 10px 20px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    font-family: 'Poppins', sans-serif;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn:active {
    transform: translateY(0);
}

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

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

.btn-outline-primary {
    border: 2px solid var(--accent);
    color: var(--accent);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--accent);
    color: var(--white);
}

.btn-lg {
    padding: 12px 30px;
    font-size: 1.1rem;
}

/* ============================================
   FORMULARIOS
   ============================================ */
.form-control, .form-select {
    border-radius: var(--radius-sm);
    border: 2px solid #e5e5ea;
    padding: 12px 15px;
    transition: var(--transition);
    font-size: 0.95rem;
    font-family: 'Poppins', sans-serif;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255,45,85,0.1);
}

.form-label {
    font-weight: 600;
    margin-bottom: 5px;
    color: #555;
}

/* ============================================
   TABLAS
   ============================================ */
.table-responsive {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table {
    margin-bottom: 0;
}

.table thead {
    background: var(--primary);
    color: var(--white);
}

.table thead th {
    border: none;
    padding: 15px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody td {
    padding: 12px 15px;
    vertical-align: middle;
    border-color: #f0f0f0;
}

.table tbody tr:hover {
    background: #f8f9fa;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   MODALES
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--radius);
    overflow: hidden;
}

.modal-header {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 15px 20px;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    border: none;
    padding: 15px 20px;
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    border: none;
    border-radius: var(--radius);
    padding: 15px 20px;
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
    background: transparent;
    padding: 10px 0;
}

.breadcrumb-item a {
    color: var(--gray);
    font-weight: 500;
}

.breadcrumb-item.active {
    color: var(--primary);
    font-weight: 700;
}

/* ============================================
   PAGINACIÓN
   ============================================ */
.pagination .page-link {
    border: none;
    margin: 0 3px;
    border-radius: var(--radius-sm);
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.pagination .page-item.active .page-link {
    background: var(--accent);
}

.pagination .page-link:hover {
    background: var(--accent);
    color: var(--white);
}

/* ============================================
   UTILIDADES
   ============================================ */
.shadow-hover:hover {
    box-shadow: var(--shadow-lg);
}

.rounded-xl {
    border-radius: var(--radius);
}

.text-accent {
    color: var(--accent) !important;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.bg-gradient-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE - Mobile First
   ============================================ */

/* Celulares pequeños (hasta 576px) */
@media (max-width: 576px) {
    .top-navbar .container {
        padding: 0 12px;
    }
    
    .nav-brand .brand-tagline {
        display: none;
    }
    
    .banner-carousel .carousel-item {
        height: 140px;
    }
    
    .products-grid {
        gap: 10px;
        padding: 0 10px;
    }
    
    .product-card .card-img-wrapper {
        aspect-ratio: 1/1;
    }
    
    .product-card .card-title {
        font-size: 0.8rem;
    }
    
    .product-card .price-current {
        font-size: 1rem;
    }
    
    .product-card .btn-add-cart {
        font-size: 0.7rem;
        padding: 8px;
    }
    
    .product-detail .product-price {
        font-size: 1.5rem;
    }
    
    .auth-card {
        padding: 20px 16px;
    }
    
    .app-footer {
        padding: 25px 12px 15px;
    }
}

/* Tablets (576px a 768px) */
@media (min-width: 576px) and (max-width: 768px) {
    .banner-carousel .carousel-item {
        height: 200px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
        padding: 0 14px;
    }
    
    .product-card .card-img-wrapper {
        aspect-ratio: 3/4;
    }
}

/* Desktop pequeño (768px a 992px) */
@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        padding: 0 20px;
    }
    
    .banner-carousel .carousel-item {
        height: 300px;
    }
    
    .product-detail {
        padding: 0 24px 20px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 30px;
        align-items: start;
    }
    
    .product-detail .product-gallery {
        margin: 0;
        position: sticky;
        top: 80px;
    }
    
    .product-detail .product-info {
        margin: 0;
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow);
    }
    
    .cart-page {
        padding: 0 24px 20px;
        max-width: 800px;
        margin: 0 auto;
    }
    
    .checkout-page {
        padding: 0 24px 30px;
        max-width: 700px;
        margin: 0 auto;
    }
    
    .app-footer {
        padding: 40px 24px 25px;
    }
}

/* Desktop grande (992px+) */
@media (min-width: 992px) {
    .bottom-nav {
        display: none;
    }
    
    body {
        padding-bottom: 0;
    }
    
    .top-navbar .container {
        padding: 0 24px;
    }
    
    .hero-section {
        padding: 0 24px;
        margin: 20px 0;
    }
    
    .banner-carousel .carousel-item {
        height: 400px;
    }
    
    .categories-scroll {
        margin: 0 24px;
    }
    
    .category-chip {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        padding: 0 24px;
    }
    
    /* Quick actions solo en desktop */
    .quick-action-btn {
        opacity: 0;
    }
    
    .product-card:hover .quick-action-btn {
        opacity: 1;
    }
}

/* Desktop extra grande (1200px+) */
@media (min-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 28px;
        padding: 0 32px;
    }
}

/* Responsive Admin */
@media (max-width: 992px) {
    .admin-sidebar {
        width: var(--sidebar-width);
        left: calc(-1 * var(--sidebar-width));
        box-shadow: var(--shadow-lg);
    }
    
    .admin-sidebar.mobile-open {
        left: 0;
    }
    
    .admin-main {
        margin-left: 0 !important;
    }
    
    .admin-main.expanded {
        margin-left: 0 !important;
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1035;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
}

@media (max-width: 576px) {
    .admin-topbar {
        padding: 10px 15px;
    }
    
    .admin-topbar .user-menu span {
        display: none;
    }
}

/* Responsive Seller */
@media (max-width: 992px) {
    .seller-sidebar {
        left: calc(-1 * var(--sidebar-width));
    }
    
    .seller-sidebar.mobile-open {
        left: 0;
    }
    
    .seller-main {
        margin-left: 0;
    }
}