*{box-sizing:border-box;font-family:Arial,sans-serif}body{margin:0;padding:20px;background:#f5f5f5}.container{display:flex;gap:20px}.products,.cart{background:#fff;padding:15px;border-radius:8px;flex:1}.products-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:15px}.product-card{border:1px solid #ddd;padding:10px;border-radius:6px;display:flex;flex-direction:column}.product-card img{height:120px;object-fit:contain}.product-card button{margin-top:auto;padding:8px;background:#4caf50;color:#fff;border:none;cursor:pointer}.product-card button:hover{background:#43a047}@media(max-width:768px){.container{flex-direction:column}}