* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #d4af37;
    --accent-color: #f5f5f5;
    --text-dark: #333;
    --text-light: #666;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --error-color: #dc3545;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--accent-color);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d2d2d 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--secondary-color), #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.search-bar {
    flex: 1;
    max-width: 500px;
    display: flex;
    margin: 0 2rem;
}

.search-bar input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 25px 0 0 25px;
    font-size: 0.95rem;
    outline: none;
}

.search-bar button {
    padding: 0.75rem 1.5rem;
    background: var(--secondary-color);
    border: none;
    border-radius: 0 25px 25px 0;
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.search-bar button:hover {
    background: #ffd700;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
}

.nav-link span {
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

/* Hero Banner */
.hero-banner {
    background-image: url('https://images.unsplash.com/photo-1441986300917-64674bd600d8?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    padding: 5rem 2rem;
    text-align: center;
    border-radius: 15px;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(45, 45, 45, 0.6) 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-banner h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--secondary-color), #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-banner p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-btn {
    padding: 1rem 2.5rem;
    background: var(--secondary-color);
    color: var(--primary-color);
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.4);
}

/* Section Titles */
.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--secondary-color);
}

/* Offers Section */
.offers-section {
    margin-bottom: 3rem;
}

.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.offer-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.offer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.offer-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--error-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 2;
}

.offer-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--secondary-color), #ffd700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
}

.offer-content {
    padding: 1.5rem;
}

.offer-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.offer-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.offer-code {
    background: var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    color: var(--primary-color);
    display: inline-block;
}

/* Categories */
.categories-section {
    margin-bottom: 3rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: var(--white);
    padding: 2rem 1rem;
    border-radius: 15px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.category-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.category-card h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

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

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.product-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--text-light);
    position: relative;
}

.product-image img,
.detail-image img,
.cart-item-image img,
.order-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
    display: block;
}

.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 700;
}

.wishlist-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--white);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-light);
    transition: color 0.3s;
}

.wishlist-btn.active {
    color: var(--error-color);
}

.product-info {
    padding: 1.5rem;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.product-category {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

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

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

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

.price-discount {
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.9rem;
}

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

.btn {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}

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

.btn-primary:hover {
    background: #2d2d2d;
    transform: scale(1.05);
}

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

.btn-secondary:hover {
    background: #ffd700;
    transform: scale(1.05);
}

/* Category Filter */
.category-filter {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Product Detail */
.product-detail-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.detail-image {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--text-light);
}

.detail-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.detail-category {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.detail-price {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.size-selector {
    margin-bottom: 2rem;
}

.size-selector h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.size-options {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.size-btn {
    padding: 0.75rem 1.5rem;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.size-btn:hover,
.size-btn.selected {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.delivery-info {
    background: var(--accent-color);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.delivery-info h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.delivery-info p {
    color: var(--text-light);
}

.detail-actions {
    display: flex;
    gap: 1rem;
}

.detail-actions .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Cart */
.cart-container {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.cart-item {
    display: grid;
    grid-template-columns: 150px 1fr auto auto;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

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

.cart-item-image {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-light);
}

.cart-item-info h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.cart-item-info p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.quantity-btn {
    width: 35px;
    height: 35px;
    border: 1px solid var(--border-color);
    background: var(--white);
    border-radius: 5px;
    cursor: pointer;
    font-weight: 700;
}

.quantity-input {
    width: 50px;
    text-align: center;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
}

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

.remove-btn {
    background: var(--error-color);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}

.cart-summary {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.checkout-btn {
    width: 100%;
    padding: 1rem;
    margin-top: 1rem;
    background: var(--secondary-color);
    color: var(--primary-color);
    border: none;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
}

/* Orders */
.orders-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.order-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.order-id {
    font-weight: 700;
    color: var(--primary-color);
}

.order-status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.status-pending {
    background: #ffc107;
    color: var(--primary-color);
}

.status-processing {
    background: #17a2b8;
    color: var(--white);
}

.status-shipped {
    background: #007bff;
    color: var(--white);
}

.status-delivered {
    background: var(--success-color);
    color: var(--white);
}

.order-items {
    margin-bottom: 1.5rem;
}

.order-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.order-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.order-item-image {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-light);
}

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

.order-item-info h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.order-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 2px solid var(--border-color);
}

.order-total {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.delivery-date {
    color: var(--text-light);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    overflow: auto;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: modalSlideIn 0.3s;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    color: var(--text-light);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.close:hover {
    color: var(--primary-color);
}

.auth-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    flex: 1;
    padding: 0.75rem;
    background: var(--accent-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.tab-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-form input {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.auth-form input:focus {
    border-color: var(--primary-color);
}

.auth-form button {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.auth-form button:hover {
    background: #2d2d2d;
}

.payment-modal {
    max-width: 600px;
}

.payment-modal h3 {
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.payment-modal input {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
}

.card-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.pay-btn {
    width: 100%;
    padding: 1rem;
    background: var(--secondary-color);
    color: var(--primary-color);
    border: none;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 1rem;
}

.payment-summary {
    background: var(--accent-color);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.payment-summary h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--border-color);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d2d2d 100%);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content p {
    margin: 0;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--secondary-color), #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
    }

    .search-bar {
        width: 100%;
        margin: 0;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
    }

    .product-detail {
        grid-template-columns: 1fr;
    }

    .cart-item {
        grid-template-columns: 100px 1fr;
        gap: 1rem;
    }

    .cart-item-price,
    .remove-btn {
        grid-column: 2;
    }

    .hero-banner h2 {
        font-size: 2rem;
    }

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