/* ===== MODERN APP DESIGN ===== */
/* Inspirado en el diseño moderno con cards, gradientes y efectos glassmorphism */

/* ===== CART STYLES ===== */
.cart-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
    box-sizing: border-box;
}

.cart-header {
    text-align: center;
    margin-bottom: 3rem;
}

.cart-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 1rem;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.cart-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.cart-subtitle {
    color: #666;
    font-size: 1.1rem;
}

.cart-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .cart-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 2rem;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .cart-content {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: 3rem;
        align-items: start;
        width: 100%;
        max-width: 1200px;
    }
    
    .cart-items {
        order: 1;
        width: 100%;
    }
    
    .cart-summary {
        order: 2;
        position: sticky;
        top: 2rem;
        width: 100%;
    }
    
    .express-section {
        grid-column: 1 / -1;
        width: 100%;
        max-width: 1200px;
    }
}

.cart-items {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.cart-item {
    display: flex;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid #eee;
}

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

.item-image {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    object-fit: cover;
    margin-right: 1rem;
}

.item-details {
    flex: 1;
}

.item-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.item-price {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.2rem;
}

.item-quantity {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
    background: white;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.quantity-input {
    width: 60px;
    text-align: center;
    border: 2px solid #eee;
    border-radius: 8px;
    padding: 0.5rem;
    font-weight: 600;
}

.remove-btn {
    color: #ff4757;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.remove-btn:hover {
    background: #ff4757;
    color: white;
}

.order-summary {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    height: fit-content;
}

.summary-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.summary-total {
    border-top: 2px solid var(--primary);
    padding-top: 1rem;
    margin-top: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.shipping-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 15px;
}

.shipping-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
}

.shipping-options {
    display: grid;
    gap: 1rem;
}

.shipping-option {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.shipping-option:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.shipping-option.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.shipping-option input[type="radio"] {
    margin-right: 1rem;
}

.shipping-option-details {
    flex: 1;
}

.shipping-option-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.shipping-option-price {
    color: var(--primary);
    font-weight: 600;
}

.shipping-companies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.shipping-company {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.shipping-company:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.shipping-company.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.company-logo {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    margin-bottom: 0.5rem;
}

.company-name {
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
}

.pickup-locations {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.pickup-location {
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pickup-location:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.pickup-location.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.location-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.location-address {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.location-hours {
    color: #999;
    font-size: 0.8rem;
}

.checkout-btn {
    width: 100%;
    padding: 1.5rem;
    background: var(--gradient-1);
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 2rem;
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.checkout-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
    color: #666;
}

.empty-cart i {
    font-size: 4rem;
    color: #ddd;
    margin-bottom: 1rem;
}

.empty-cart h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.empty-cart p {
    margin-bottom: 2rem;
}

.continue-shopping-btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.continue-shopping-btn:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

:root {
    /* Colores principales */
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --secondary: #8B5CF6;
    --accent: #F59E0B;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    
    /* Colores de fondo */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --bg-dark: #1E293B;
    
    /* Colores de texto */
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --text-white: #FFFFFF;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Bordes */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --border-radius-full: 9999px;
    
    /* Espaciado */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET Y BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== APP CONTAINER ===== */
.modern-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
}

/* ===== HEADER ===== */
.app-header {
    background: var(--bg-primary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: var(--space-4) var(--space-4) var(--space-6);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.8);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.header-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--danger);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--border-radius-full);
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== MAIN CONTENT ===== */
.app-main {
    flex: 1;
    padding: var(--space-6) var(--space-4);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* ===== HERO SECTION ===== */
.hero-section {
    text-align: center;
    margin-bottom: var(--space-12);
    position: relative;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

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

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--bg-tertiary);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-secondary:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-install {
    background: var(--gradient-secondary);
    color: white;
    border: none;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    box-shadow: var(--shadow-md);
}

.btn-install:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, #e879f9 0%, #f87171 100%);
}

/* ===== CATEGORIES SECTION ===== */
.categories-section {
    margin-bottom: var(--space-16);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
}

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

.categories-count {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.category-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    position: relative;
    group: hover;
}

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

.category-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

/* ===== ESTILOS PARA IMÁGENES DE PRODUCTOS ===== */
.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-lg);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(139, 92, 246, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.category-card:hover .category-overlay {
    opacity: 1;
}

.overlay-icon {
    color: white;
    font-size: 2rem;
}

.category-info {
    padding: var(--space-6);
}

.category-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.category-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--space-4);
    line-height: 1.5;
}

.category-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-count {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--border-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.coming-soon-badge {
    background: var(--accent);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--border-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

/* ===== QUICK ACTIONS ===== */
.quick-actions {
    margin-bottom: var(--space-16);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.action-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.action-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.action-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: white;
    font-size: 1.5rem;
}

.action-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.action-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== BOTTOM NAVIGATION ===== */
.bottom-nav {
    background: var(--bg-primary);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: var(--space-3) var(--space-4);
    position: sticky;
    bottom: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
}

.nav-container {
    display: flex;
    justify-content: space-around;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
    min-width: 60px;
}

.nav-item.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-item:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.nav-icon {
    font-size: 1.25rem;
}

.nav-label {
    font-size: 0.75rem;
    font-weight: 500;
}

.nav-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger);
    color: white;
    font-size: 0.625rem;
    font-weight: 600;
    padding: 2px 4px;
    border-radius: var(--border-radius-full);
    min-width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) and (min-width: 769px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-5);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .app-main {
        padding: var(--space-4);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2);
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }

/* ===== PRODUCT LINKS ===== */
.product-card {
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.product-card:active {
    transform: translateY(-2px);
}

/* Prevent text selection on product cards */
.product-card {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Button inside product card */
.product-card .btn-primary {
    position: relative;
    z-index: 10;
}