:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --border-color: #dee2e6;
    --text-color: #212529;
    --light-text: #6c757d;
    --hover-color: #0056b3;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
}

.header {
    background-color: white;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.back-link {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.back-link:hover {
    color: var(--hover-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

#search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

#category-filter {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    min-width: 200px;
}

#search-results {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s ease-in-out;
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    color: var(--text-color);
}

.category-label {
    display: inline-block;
    background-color: var(--background-color);
    padding: 0.25rem 0.75rem;
    border-radius: 16px;
    font-size: 0.875rem;
    color: var(--light-text);
    margin-bottom: 1rem;
}

.description {
    color: var(--light-text);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
}

.read-more:hover {
    color: var(--hover-color);
}

#no-results {
    text-align: center;
    padding: 2rem;
    color: var(--light-text);
    font-size: 1.1rem;
    display: none;
}

.error {
    text-align: center;
    padding: 2rem;
    color: #dc3545;
    font-size: 1.1rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .search-controls {
        flex-direction: column;
    }
    
    #category-filter {
        width: 100%;
    }
    
    #search-results {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        max-width: 100%;
    }
}