/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8fafc;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    background: -webkit-linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95));
    background: -moz-linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95));
    background: linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95));
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    -webkit-box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #6366f1;
    white-space: nowrap;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.search-bar {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 25px;
    font-size: 0.9rem;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.search-bar input:focus {
    outline: none;
    border-color: #6366f1;
    -webkit-box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    -moz-box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    background: #6366f1;
    color: white;
    border: none;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: #4f46e5;
    -webkit-transform: translateY(-50%) scale(1.1);
    -moz-transform: translateY(-50%) scale(1.1);
    -ms-transform: translateY(-50%) scale(1.1);
    transform: translateY(-50%) scale(1.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.filter-btn, .cart-btn {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.filter-btn {
    background: #f1f5f9;
    color: #64748b;
}

.filter-btn:hover {
    background: #e2e8f0;
    color: #475569;
}

.cart-btn {
    background: #6366f1;
    color: white;
    position: relative;
}

.cart-btn:hover {
    background: #4f46e5;
    -webkit-transform: translateY(-2px);
    -moz-transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    transform: translateY(-2px);
}

.cart-count {
    background: #ef4444;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    position: absolute;
    top: -5px;
    right: -5px;
}

.nav-toggle {
    display: none;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    -webkit-transition: 0.3s;
    -moz-transition: 0.3s;
    -o-transition: 0.3s;
    transition: 0.3s;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    background: white;
    -webkit-box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    -webkit-transition: left 0.3s ease;
    -moz-transition: left 0.3s ease;
    -o-transition: left 0.3s ease;
    transition: left 0.3s ease;
    z-index: 999;
    padding: 1rem;
}

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

.mobile-search {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.mobile-search input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.9rem;
}

.mobile-search button {
    padding: 0.75rem 1rem;
    background: #6366f1;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.mobile-categories {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    gap: 0.5rem;
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.category-btn {
    padding: 0.5rem 1rem;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.category-btn.active,
.category-btn:hover {
    border-color: #6366f1;
    background: #6366f1;
    color: white;
}

/* Sidebars */
.filter-sidebar,
.cart-sidebar {
    position: fixed;
    top: 0;
    height: 100vh;
    background: white;
    -webkit-box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    z-index: 1001;
    -webkit-transition: -webkit-transform 0.3s ease;
    -moz-transition: -moz-transform 0.3s ease;
    -o-transition: -o-transform 0.3s ease;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.filter-sidebar {
    left: 0;
    width: 300px;
    -webkit-transform: translateX(-100%);
    -moz-transform: translateX(-100%);
    -ms-transform: translateX(-100%);
    transform: translateX(-100%);
}

.cart-sidebar {
    right: 0;
    width: 350px;
    -webkit-transform: translateX(100%);
    -moz-transform: translateX(100%);
    -ms-transform: translateX(100%);
    transform: translateX(100%);
}

.filter-sidebar.active {
    -webkit-transform: translateX(0);
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0);
}

.cart-sidebar.active {
    -webkit-transform: translateX(0);
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0);
}

.filter-header,
.cart-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.filter-header h3,
.cart-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.close-filter,
.close-cart {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: #64748b;
    transition: color 0.3s ease;
}

.close-filter:hover,
.close-cart:hover {
    color: #ef4444;
}

.filter-section {
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.filter-section h4 {
    margin-bottom: 1rem;
    font-weight: 600;
    color: #1e293b;
}

.filter-options {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 0.75rem;
}

.filter-option {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.filter-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #6366f1;
}

.price-range {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 1rem;
}

.price-range input[type="range"] {
    width: 100%;
    accent-color: #6366f1;
}

.price-display {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    font-size: 0.9rem;
    color: #64748b;
}

.apply-filters {
    margin: 1.5rem;
    width: calc(100% - 3rem);
    padding: 1rem;
    background: #6366f1;
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.apply-filters:hover {
    background: #4f46e5;
}

/* Cart Items */
.cart-items {
    flex: 1;
    padding: 1rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.cart-item-image {
    width: 60px;
    height: 60px;
    background: #f1f5f9;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #64748b;
}

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

.cart-item-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.cart-item-price {
    color: #6366f1;
    font-weight: 600;
    font-size: 0.9rem;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.quantity-btn {
    width: 25px;
    height: 25px;
    border: 1px solid #e2e8f0;
    background: white;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.quantity-btn:hover {
    background: #f1f5f9;
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.cart-delivery-info {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

.delivery-breakdown {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #64748b;
}

.delivery-breakdown.total {
    font-weight: 600;
    font-size: 1rem;
    color: #1e293b;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid #e2e8f0;
}

.delivery-item {
    background: #f8fafc;
    border-radius: 8px;
    padding: 0.75rem;
    margin-top: 0.5rem;
}

.checkout-btn {
    width: 100%;
    padding: 1rem;
    background: #10b981;
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.checkout-btn:hover {
    background: #059669;
}

/* Main Content */
.main-content {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Categories */
.categories {
    padding: 3rem 0;
    background: white;
}

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

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-card:hover,
.category-card.active {
    border-color: #6366f1;
    background: #6366f1;
    color: white;
    transform: translateY(-5px);
}

.category-card i {
    font-size: 2rem;
}

.category-card span {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Products Section */
.products {
    padding: 3rem 0;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.products-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
}

.products-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.view-toggle {
    padding: 0.5rem;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-toggle.active,
.view-toggle:hover {
    border-color: #6366f1;
    color: #6366f1;
}

.sort-select {
    padding: 0.5rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    font-size: 0.9rem;
    cursor: pointer;
}

.sort-select:focus {
    outline: none;
    border-color: #6366f1;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #64748b;
    position: relative;
    overflow: hidden;
}

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

.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #ef4444;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-info {
    padding: 1.5rem;
}

.product-category {
    color: #6366f1;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
    line-height: 1.4;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars {
    color: #fbbf24;
}

.rating-text {
    font-size: 0.8rem;
    color: #64748b;
}

.product-price {
    margin-bottom: 1rem;
}

.price-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.currency {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

.current-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: #6366f1;
}

.original-price {
    font-size: 1rem;
    color: #64748b;
    text-decoration: line-through;
}

.discount-percentage {
    font-size: 0.9rem;
    color: #10b981;
    font-weight: 600;
    background: #d1fae5;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.product-actions {
    display: flex;
    gap: 0.5rem;
}

.add-to-cart,
.quick-view {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.add-to-cart {
    background: #6366f1;
    color: white;
}

.add-to-cart:hover {
    background: #4f46e5;
}

.quick-view {
    background: #f1f5f9;
    color: #64748b;
}

.quick-view:hover {
    background: #e2e8f0;
    color: #475569;
}

/* Load More */
.load-more {
    text-align: center;
}

.load-more-btn {
    padding: 1rem 2rem;
    background: #6366f1;
    color: white;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.load-more-btn:hover {
    background: #4f46e5;
    transform: translateY(-2px);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1002;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 15px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.checkout-modal {
    max-width: 800px;
    max-height: 95vh;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #64748b;
    z-index: 1;
}

.modal-body {
    padding: 2rem;
}

/* Checkout Styles */
.checkout-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f1f5f9;
}

.checkout-header h2 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.checkout-header p {
    color: #64748b;
    font-size: 0.9rem;
}

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

.order-summary {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 10px;
    height: fit-content;
}

.order-summary h3 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.order-items {
    margin-bottom: 1rem;
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.9rem;
}

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

.order-item-name {
    flex: 1;
    margin-right: 1rem;
}

.order-item-price {
    font-weight: 600;
    color: #6366f1;
}

.order-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 2px solid #e2e8f0;
    font-weight: 700;
    font-size: 1.1rem;
    color: #1e293b;
}

/* Checkout Form */
.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-section {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 10px;
}

.form-section h3 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.checkout-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding-top: 1rem;
    border-top: 2px solid #f1f5f9;
}

.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.btn-primary {
    background: #6366f1;
    color: white;
}

.btn-primary:hover {
    background: #4f46e5;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #f1f5f9;
    color: #64748b;
    border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #e2e8f0;
    color: #475569;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1003;
}

.toast {
    background: white;
    border-radius: 10px;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast.info {
    border-left: 4px solid #6366f1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
    }
    
    .search-bar {
        order: 3;
        max-width: none;
        width: 100%;
        margin-top: 1rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-actions {
        gap: 0.5rem;
    }
    
    .filter-btn span,
    .cart-btn span {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .products-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .filter-sidebar,
    .cart-sidebar {
        width: 100%;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .checkout-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .checkout-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        margin: 0 1rem;
    }
    
    .modal-content {
        margin: 1rem;
    }
    
    .checkout-modal {
        margin: 0.5rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Empty States */
.empty-cart {
    text-align: center;
    padding: 3rem 1rem;
    color: #64748b;
}

.empty-cart i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-cart h3 {
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.empty-cart p {
    font-size: 0.9rem;
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: #fbbf24;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.footer-section p {
    color: #cbd5e0;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #cbd5e0;
}

.contact-item i {
    color: #fbbf24;
    width: 20px;
    text-align: center;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #fbbf24;
}

.business-hours {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    color: #cbd5e0;
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid #475569;
    padding-top: 1rem;
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Footer Responsive */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer {
        padding: 2rem 0 1rem;
        margin-top: 2rem;
    }
    
    .hours-item {
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* Browser Compatibility Fixes */
@supports not (gap: 1rem) {
    .nav-container > * + * {
        margin-left: 1rem;
    }
    
    .nav-actions > * + * {
        margin-left: 1rem;
    }
    
    .mobile-search > * + * {
        margin-left: 0.5rem;
    }
    
    .mobile-categories > * + * {
        margin-left: 0.5rem;
    }
    
    .filter-options > * + * {
        margin-top: 0.75rem;
    }
    
    .price-range > * + * {
        margin-top: 1rem;
    }
    
    .price-display > * + * {
        margin-left: 1rem;
    }
    
    .cart-item > * + * {
        margin-left: 1rem;
    }
    
    .cart-item-quantity > * + * {
        margin-left: 0.5rem;
    }
    
    .product-actions > * + * {
        margin-left: 0.5rem;
    }
    
    .products-controls > * + * {
        margin-left: 1rem;
    }
    
    .checkout-actions > * + * {
        margin-left: 1rem;
    }
    
    .footer-content > * + * {
        margin-left: 2rem;
    }
    
    .contact-info > * + * {
        margin-top: 0.75rem;
    }
    
    .business-hours > * + * {
        margin-top: 0.5rem;
    }
}

/* IE11 and older browser support */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        display: block;
    }
    
    .nav-container {
        display: -ms-flexbox;
        -ms-flex-pack: justify;
        -ms-flex-align: center;
    }
    
    .hero-stats {
        display: -ms-flexbox;
        -ms-flex-pack: center;
    }
    
    .categories-grid {
        display: -ms-grid;
        -ms-grid-columns: 1fr 1fr 1fr 1fr;
    }
    
    .products-grid {
        display: -ms-grid;
        -ms-grid-columns: 1fr 1fr 1fr;
    }
    
    .footer-content {
        display: -ms-grid;
        -ms-grid-columns: 1fr 1fr 1fr 1fr;
    }
}

/* Safari specific fixes */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    .search-bar input {
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        border-radius: 25px;
    }
    
    .search-bar input::-webkit-search-decoration,
    .search-bar input::-webkit-search-cancel-button,
    .search-bar input::-webkit-search-results-button,
    .search-bar input::-webkit-search-results-decoration {
        -webkit-appearance: none;
    }
}

/* Firefox specific fixes */
@-moz-document url-prefix() {
    .search-bar input {
        -moz-appearance: none;
        appearance: none;
    }
    
    .modal {
        background: rgba(0, 0, 0, 0.5);
    }
}

/* Edge specific fixes */
@supports (-ms-ime-align: auto) {
    .search-bar input {
        -ms-appearance: none;
        appearance: none;
    }
}