.woocommerce-shipping-calculator select,
.woocommerce-checkout select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.select2-container {
    width: 100% !important;
}

.select2-container--default .select2-selection--single {
    border: 1px solid #ddd;
    border-radius: 4px;
    height: 40px;
    padding: 5px;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 38px;
}

/* Mobile-specific styles */
@media screen and (max-width: 768px) {
    .select2-container {
        width: 100% !important;
    }
    
    .select2-container--default .select2-selection--single {
        height: 44px; /* Larger touch target */
        padding: 8px;
    }
    
    .select2-container--default .select2-selection--single .select2-selection__arrow {
        height: 42px;
    }
}