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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

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

header {
    text-align: center;
    color: white;
    padding: 40px 20px;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

main {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    margin-bottom: 40px;
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.item-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid #e9ecef;
}

.item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.item-card h3 {
    color: #333;
    margin-bottom: 12px;
    font-size: 1.4rem;
}

.item-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 16px;
}

.item-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid #dee2e6;
}

.item-price {
    font-weight: bold;
    color: #667eea;
    font-size: 1.2rem;
}

.item-category {
    background: #667eea;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.item-button {
    display: block;
    width: 100%;
    margin-top: 16px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.item-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.item-button:active {
    transform: translateY(0);
}

footer {
    text-align: center;
    color: white;
    padding: 20px;
    opacity: 0.8;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    main {
        padding: 20px;
    }
    
    .items-grid {
        grid-template-columns: 1fr;
    }
}