/**
 * BILDMAX - Premium Glassmorphism CSS
 * Premium Industrial E-Commerce Platform
 */

/* ========================================
   CSS Variables & Root
======================================== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #f59e0b;
    --secondary-dark: #d97706;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-bg-dark: rgba(0, 0, 0, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-shadow-light: 0 4px 16px 0 rgba(31, 38, 135, 0.15);
    
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', sans-serif;
    
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    --border-radius-full: 50%;
    
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    background-attachment: fixed;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(102, 126, 234, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(118, 75, 162, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 60%, rgba(245, 158, 11, 0.2) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

/* Background Pattern */
body .bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--primary-dark);
}

/* ========================================
   Glassmorphism Components
======================================== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
}

.glass-light {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.glass-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow-light);
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px 0 rgba(31, 38, 135, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
}

.glass-button {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-sm);
    padding: 12px 24px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.glass-button:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px 0 rgba(31, 38, 135, 0.25);
}

/* ========================================
   Layout
======================================== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* ========================================
   Header & Navigation
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    padding: 15px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 800;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.header.scrolled .logo-text {
    color: var(--dark-color);
    text-shadow: none;
}

.search-box {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 14px 50px 14px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 1rem;
    transition: var(--transition);
}

.header.scrolled .search-box input {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--dark-color);
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.header.scrolled .search-box input::placeholder {
    color: var(--gray-500);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

.search-box button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-box button:hover {
    background: var(--primary-dark);
    transform: translateY(-50%) scale(1.05);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-action {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    color: white;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.header.scrolled .header-action {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--dark-color);
}

.header-action:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    color: white;
}

.header.scrolled .header-action:hover {
    background: var(--primary-color);
    color: white;
}

.header-action .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 20px;
    height: 20px;
    background: var(--danger-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    text-decoration: none;
    position: relative;
}

.header.scrolled .nav-link {
    color: var(--dark-color);
}

.nav-link:hover, .nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: white;
    transition: var(--transition);
}

.header.scrolled .menu-toggle span {
    background: var(--dark-color);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    padding: 150px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.hero-text h1 span {
    background: linear-gradient(135deg, var(--secondary-color), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
    color: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    color: white;
}

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

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

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #34d399);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #f87171);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 20px 40px;
    font-size: 1.125rem;
}

.hero-image {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-image img {
    width: 100%;
    max-width: 600px;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.hero-stat {
    text-align: center;
}

.hero-stat h3 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 5px;
}

.hero-stat p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   Categories
======================================== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.category-card:hover {
    transform: translateY(-10px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.1) 100%);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.category-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.category-card h3 {
    font-size: 1.1rem;
    color: white;
    margin-bottom: 5px;
    font-weight: 600;
}

.category-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin: 0;
}

/* ========================================
   Products
======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
}

.product-badges {
    position: absolute;
    top: 15px;
    left: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 2;
}

.badge {
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-discount {
    background: linear-gradient(135deg, var(--danger-color), #f87171);
    color: white;
}

.badge-featured {
    background: linear-gradient(135deg, var(--secondary-color), #fbbf24);
    color: white;
}

.badge-new {
    background: linear-gradient(135deg, var(--success-color), #34d399);
    color: white;
}

.badge-best {
    background: linear-gradient(135deg, var(--info-color), #22d3ee);
    color: white;
}

.product-actions {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    transform: translateX(20px);
    transition: var(--transition);
    z-index: 2;
}

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

.product-action-btn {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--dark-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

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

.product-action-btn.wishlist-active {
    background: var(--danger-color);
    color: white;
}

.product-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-content {
    padding: 20px;
}

.product-category {
    font-size: 0.8rem;
    color: var(--primary-light);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.product-title a {
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.stars {
    display: flex;
    gap: 2px;
    color: var(--secondary-color);
}

.rating-count {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.product-price {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.current-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.old-price {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.product-footer {
    display: flex;
    gap: 10px;
}

.product-footer .btn {
    flex: 1;
}

/* ========================================
   Featured & Best Sellers
======================================== */
.featured-section {
    padding: 80px 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2rem;
    color: white;
    margin: 0;
}

.view-all {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.view-all:hover {
    color: var(--secondary-color);
    gap: 12px;
}

/* ========================================
   Cart
======================================== */
.cart-page {
    padding: 120px 0 80px;
}

.cart-container {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 30px;
}

.cart-table {
    width: 100%;
    border-collapse: collapse;
}

.cart-table th {
    padding: 15px;
    text-align: left;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cart-table td {
    padding: 20px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

.cart-product {
    display: flex;
    align-items: center;
    gap: 15px;
}

.cart-product-image {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
}

.cart-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-product-info h4 {
    color: white;
    margin-bottom: 5px;
}

.cart-product-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

.quantity-input {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    padding: 5px;
}

.quantity-btn {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 6px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.quantity-input input {
    width: 50px;
    text-align: center;
    background: transparent;
    border: none;
    color: white;
    font-size: 1rem;
    font-weight: 600;
}

.remove-btn {
    background: transparent;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.remove-btn:hover {
    background: rgba(239, 68, 68, 0.2);
}

.cart-summary {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-top: 30px;
}

.cart-summary h3 {
    color: white;
    margin-bottom: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.summary-row.total {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 15px;
}

/* ========================================
   Checkout
======================================== */
.checkout-page {
    padding: 120px 0 80px;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
}

.checkout-form {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 40px;
}

.checkout-form h2 {
    color: white;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    color: white;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.checkout-summary {
    position: sticky;
    top: 100px;
}

.order-summary {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 30px;
}

.order-summary h3 {
    color: white;
    margin-bottom: 20px;
}

.order-items {
    margin-bottom: 20px;
    max-height: 300px;
    overflow-y: auto;
}

.order-item {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.order-item-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
}

.order-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.order-item-info h4 {
    color: white;
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.order-item-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin: 0;
}

.order-item-price {
    text-align: right;
}

.order-item-price h4 {
    color: white;
    font-size: 1rem;
}

.order-item-price p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin: 0;
}

/* ========================================
   Forms & Auth Pages
======================================== */
.auth-page {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.08) 100%);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-lg);
    padding: 50px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.auth-container h1 {
    color: white;
    text-align: center;
    margin-bottom: 10px;
}

.auth-container .subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.auth-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.auth-tab {
    flex: 1;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
}

.auth-tab.active, .auth-tab:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* ========================================
   User Profile
======================================== */
.profile-page {
    padding: 120px 0 80px;
}

.profile-sidebar {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 30px;
    position: sticky;
    top: 100px;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 3rem;
    color: white;
    font-weight: 700;
}

.profile-name {
    text-align: center;
    color: white;
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.profile-email {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.profile-menu {
    list-style: none;
}

.profile-menu li {
    margin-bottom: 8px;
}

.profile-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    text-decoration: none;
}

.profile-menu a:hover, .profile-menu a.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.profile-content {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 40px;
}

.profile-content h2 {
    color: white;
    margin-bottom: 30px;
}

/* ========================================
   Product Details
======================================== */
.product-details-page {
    padding: 120px 0 80px;
}

.product-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.product-gallery {
    position: sticky;
    top: 100px;
}

.main-image {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 15px;
    height: 500px;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.thumbnail {
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.thumbnail:hover, .thumbnail.active {
    border-color: var(--primary-color);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info h1 {
    color: white;
    font-size: 2rem;
    margin-bottom: 15px;
}

.product-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.product-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.product-description {
    color: rgba(255, 255, 255, 0.9);
    margin: 30px 0;
    line-height: 1.8;
}

.product-options {
    margin: 30px 0;
}

.option-group {
    margin-bottom: 20px;
}

.option-group label {
    display: block;
    color: white;
    font-weight: 600;
    margin-bottom: 10px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 15px;
}

.add-to-cart-section {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.add-to-cart-section .btn {
    flex: 1;
}

/* Reviews Section */
.reviews-section {
    margin-top: 60px;
}

.review-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 20px;
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.review-author-info h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 3px;
}

.review-author-info p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    margin: 0;
}

.review-body {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.5) 100%);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 80px 0 30px;
    margin-top: 100px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 20px 0;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-column h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: white;
}

/* ========================================
   Admin Panel Styles
======================================== */
.admin-body {
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 50%, #1e1b4b 100%);
    min-height: 100vh;
}

.admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 58, 95, 0.95) 100%);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 20px;
    overflow-y: auto;
    z-index: 100;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
    padding: 0 10px;
}

.admin-logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 800;
}

.admin-logo-text {
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
}

.admin-nav {
    margin-bottom: 30px;
}

.admin-nav-section {
    margin-bottom: 25px;
}

.admin-nav-title {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 10px;
    margin-bottom: 10px;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    text-decoration: none;
    margin-bottom: 5px;
}

.admin-nav-link:hover, .admin-nav-link.active {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.3) 0%, rgba(37, 99, 235, 0.1) 100%);
    color: white;
}

.admin-nav-link.active {
    border-left: 3px solid var(--primary-color);
}

.admin-nav-link i {
    width: 20px;
    text-align: center;
}

.admin-main {
    margin-left: 280px;
    padding: 30px;
    min-height: 100vh;
}

.admin-header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.admin-header h1 {
    color: white;
    font-size: 1.75rem;
    margin: 0;
}

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

.admin-user-info {
    text-align: right;
}

.admin-user-name {
    color: white;
    font-weight: 600;
}

.admin-user-role {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

.admin-user-avatar {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

/* Admin Cards */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.admin-stat-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.03) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius);
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.admin-stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.3);
}

.admin-stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.admin-stat-icon.blue { background: linear-gradient(135deg, var(--primary-color), var(--primary-light)); }
.admin-stat-icon.green { background: linear-gradient(135deg, var(--success-color), #34d399); }
.admin-stat-icon.orange { background: linear-gradient(135deg, var(--secondary-color), #fbbf24); }
.admin-stat-icon.red { background: linear-gradient(135deg, var(--danger-color), #f87171); }

.admin-stat-content h3 {
    color: white;
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.admin-stat-content p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    font-size: 0.9rem;
}

/* Admin Tables */
.admin-table-container {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.admin-table-header {
    padding: 20px 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-table-header h3 {
    color: white;
    margin: 0;
    font-size: 1.25rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    padding: 15px 20px;
    text-align: left;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-table td {
    padding: 18px 20px;
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.admin-table tr:hover td {
    background: rgba(255, 255, 255, 0.05);
}

.admin-table .status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-active { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.status-inactive { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.status-pending { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.status-processing { background: rgba(37, 99, 235, 0.2); color: #60a5fa; }
.status-delivered { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.status-cancelled { background: rgba(239, 68, 68, 0.2); color: #f87171; }

/* Admin Actions */
.admin-actions {
    display: flex;
    gap: 8px;
}

.admin-btn {
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
}

.admin-btn-edit {
    background: rgba(37, 99, 235, 0.2);
    color: #60a5fa;
}

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

.admin-btn-delete {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.admin-btn-delete:hover {
    background: var(--danger-color);
    color: white;
}

.admin-btn-view {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.admin-btn-view:hover {
    background: var(--success-color);
    color: white;
}

/* Admin Forms */
.admin-form-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius);
    padding: 40px;
    max-width: 800px;
}

.admin-form-card h2 {
    color: white;
    margin-bottom: 30px;
}

.admin-form-group {
    margin-bottom: 25px;
}

.admin-form-group label {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    margin-bottom: 10px;
}

.admin-form-control {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: white;
    font-size: 1rem;
    transition: var(--transition);
}

.admin-form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.12);
}

.admin-form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

textarea.admin-form-control {
    min-height: 120px;
    resize: vertical;
}

select.admin-form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
}

.admin-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.admin-form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

/* ========================================
   Notifications & Alerts
======================================== */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

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

.alert-success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.alert-info {
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(37, 99, 235, 0.3);
    color: #60a5fa;
}

/* ========================================
   Modal
======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.modal-header h3 {
    color: white;
    margin: 0;
}

.modal-close {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: white;
}

/* ========================================
   Animations
======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-fadeIn {
    animation: fadeIn 0.5s ease;
}

.animate-slideUp {
    animation: slideUp 0.5s ease;
}

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

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

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

.text-white { color: white; }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }
.text-muted { color: var(--text-muted); }

.bg-white { background: white; }
.bg-transparent { background: transparent; }

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.mt-5 { margin-top: 50px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }
.mb-5 { margin-bottom: 50px; }

.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }
.p-4 { padding: 40px; }
.p-5 { padding: 50px; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }
.d-grid { display: grid; }

.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }
.gap-3 { gap: 30px; }

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

.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-full { border-radius: var(--border-radius-full); }

.shadow { box-shadow: var(--glass-shadow); }
.shadow-light { box-shadow: var(--glass-shadow-light); }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

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

.cursor-pointer { cursor: pointer; }

/* ========================================
   Responsive
======================================== */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    
    .checkout-summary {
        position: static;
    }
    
    .product-details-grid {
        grid-template-columns: 1fr;
    }
    
    .product-gallery {
        position: static;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .header-inner {
        flex-wrap: wrap;
    }
    
    .search-box {
        order: 3;
        max-width: 100%;
        flex-basis: 100%;
        margin-top: 15px;
    }
    
    .main-nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .profile-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .cart-table {
        display: block;
        overflow-x: auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.active {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .admin-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-table-container {
        overflow-x: auto;
    }
    
    .admin-table {
        min-width: 600px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 12px 20px;
    }
    
    .btn-lg {
        padding: 15px 25px;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .category-card {
        padding: 20px 15px;
    }
    
    .product-image {
        height: 200px;
    }
    
    .auth-container {
        padding: 30px 20px;
    }
    
    .main-image {
        height: 300px;
    }
    
    .thumbnail-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .add-to-cart-section {
        flex-direction: column;
    }
}