body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: #f8f8f8;
    color: #222;
}

.header {
    background: #ffffff;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #eee;
}

.logo {
    font-size: 24px;
    font-weight: 900;
}

.logo span {
    color: #00b8ff;
}

.nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

.search-panel {
    background: white;
    padding: 20px;
    display: flex;
    gap: 10px;
    border-bottom: 2px solid #eee;
}

.search-panel input {
    flex: 1;
    padding: 10px;
    font-size: 16px;
}

.section {
    padding: 20px;
}

.cat-grid, .product-grid {
    display: grid;
    gap: 20px;
}

.cat-grid {
    grid-template-columns: repeat(3, 1fr);
}

.product-grid {
    grid-template-columns: repeat(4, 1fr);
}

.cat, .product {
    background: white;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.footer {
    padding: 20px;
    text-align: center;
    background: #fff;
    border-top: 2px solid #eee;
}