.cart-container { 
    max-width: 980px;
    margin: 32px auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,.06);
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 360px; 
    gap: 20px;
    }