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

body {
    font-family: 'Assistant', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

.top-bar {
    background: #fff;
    border-bottom: 1px solid #e1e5e9;
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-logo {
    height: 40px;
    width: auto;
}

.admin-btn {
    background: #6c757d;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.admin-btn:hover {
    background: #5a6268;
}

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

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

main {
    padding: 3rem 0;
}

.products-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.product-image {
    height: 300px;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.price {
    font-size: 1.3rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.price-main {
    font-size: 1.4rem;
    font-weight: 700;
    color: #667eea;
}

.price-shipping {
    font-size: 1rem;
    font-weight: 500;
    color: #888;
    margin-top: 0.25rem;
}

.description {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Product page styles */
.product-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 20px;
}

.product-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    align-items: center;
}

.product-gallery {
    position: relative;
}

.main-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.image-slider {
    position: relative;
    margin-top: 1rem;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background 0.3s ease;
}

.slider-nav:hover {
    background: rgba(0,0,0,0.7);
}

.slider-prev {
    right: 10px;
}

.slider-next {
    left: 10px;
}

.product-details h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.product-price {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 1rem;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 2rem;
}

.order-section {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.order-form {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 10px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.payment-option input[type="radio"] {
    margin: 0;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
}

.home-btn {
    display: inline-block;
    background: #6c757d;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 25px;
    margin-bottom: 2rem;
    transition: background 0.3s ease;
}

.home-btn:hover {
    background: #5a6268;
}

/* Admin page styles */
.admin-page {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 20px;
}

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

.admin-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.orders-section {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
}

.product-orders {
    border-bottom: 1px solid #e1e5e9;
}

.product-orders:last-child {
    border-bottom: none;
}

.product-title {
    background: #f8f9fa;
    padding: 1rem 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.product-title:hover {
    background: #e9ecef;
}

.product-title::after {
    content: '▼';
    transition: transform 0.3s ease;
}

.product-title.collapsed::after {
    transform: rotate(-90deg);
}

.orders-list {
    display: none;
    padding: 0 1.5rem 1.5rem;
}

.orders-list.show {
    display: block;
}

.order-item {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid #667eea;
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.customer-name {
    font-weight: 600;
    color: #333;
    cursor: pointer;
    text-decoration: underline;
}

.customer-name:hover {
    color: #667eea;
}

.order-date {
    color: #666;
    font-size: 0.9rem;
}

.order-details {
    display: none;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #dee2e6;
}

.order-details.show {
    display: block;
}

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

.detail-label {
    font-weight: 600;
    color: #333;
}

.detail-value {
    color: #666;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 400px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.close {
    color: #aaa;
    float: left;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: 10px;
    left: 15px;
}

.close:hover {
    color: #000;
}

/* Admin order controls */
.order-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.order-controls button {
    padding: 6px 12px;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.btn-complete {
    background: #28a745;
    color: white;
}

.btn-complete:hover {
    background: #218838;
}

.btn-delete {
    background: #dc3545;
    color: white;
}

.btn-delete:hover {
    background: #c82333;
}

.order-status {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.status-new {
    background: #ffc107;
    color: #856404;
}

.status-completed {
    background: #28a745;
    color: white;
}

/* Responsive design */
@media (max-width: 768px) {
    .product-header {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .main-image {
        height: 300px;
    }
    
    .payment-options {
        grid-template-columns: 1fr;
    }
    
    .order-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .detail-row {
        flex-direction: column;
        gap: 0.25rem;
    }
}