/* Estilos responsivos */
@media (max-width: 992px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .row {
        margin-left: -8px;
        margin-right: -8px;
    }
    
    .col, .col-12, .col-md-6, .col-lg-4 {
        padding-left: 8px;
        padding-right: 8px;
    }
}

@media (max-width: 768px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    header .container {
        padding-top: 10px;
        padding-bottom: 10px;
    }
    
    .card-img-top {
        height: 160px;
    }
    
    .card-body {
        padding: 12px;
    }
    
    .filter-btn {
        margin-bottom: 5px;
    }
    
    .form-check-inline {
        display: block;
        margin-right: 0;
        margin-bottom: 8px;
    }
    
    .modal-dialog {
        max-width: 95%;
        margin: 10px auto;
    }
    
    .modal-body {
        padding: 15px;
    }
    
    .modal-footer {
        padding: 10px 15px;
    }
    
    .btn {
        padding: 6px 12px;
    }
    
    .section-title {
        margin-top: 25px;
    }
    
    .alert {
        margin-bottom: 15px;
    }
    
    .quantity-control {
        flex-wrap: wrap;
    }
    
    .quantity-control .form-control {
        width: 40px;
    }
}

@media (max-width: 576px) {
    .card-badges span {
        display: inline-block;
        margin-bottom: 3px;
    }
    
    .row-cols-1 .col {
        margin-bottom: 10px;
    }
    
    .modal-title {
        font-size: 1.2rem;
    }
    
    .checkout-form .row {
        margin-bottom: 10px;
    }
    
    .checkout-form .col-md-6 {
        margin-bottom: 10px;
    }
    
    .cart-item-img {
        width: 50px;
        height: 50px;
    }
    
    .cart-item-title {
        font-size: 0.9rem;
    }
    
    .cart-item-price {
        font-size: 0.8rem;
    }
    
    .d-flex.justify-content-between {
        flex-wrap: wrap;
    }
    
    .d-flex.justify-content-between .btn {
        margin-top: 5px;
    }
}