/* Checkout Page Styles */
.checkout-form .input-group {
    width: 100%;
    margin-bottom: 1em;
    display: flex;
    flex-wrap: wrap;
}

.checkout-form .input-group input {
    width: 100%;
    border-radius: 5px;
    margin-top: 0;
}

.checkout-form .pdkt {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    background: #000000dc;
    padding: 2%;
    border-radius: 20px;
    width: 100%;
    max-width: 400px;
    font-size: 1.2em;
    margin: 1em auto;
}

.checkout-form .input-group-btn {
    display: flex;
    align-items: center;
}

.checkout-form .input-group > div {
    padding: 0 5px;
    margin-bottom: 10px;
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
    .checkout-form .pdkt {
        width: 90%;
        font-size: 1em;
    }

    .checkout-form .input-group-btn {
        width: 100%;
        justify-content: center;
    }
    
    .checkout-form .input-group .col-md-5,
    .checkout-form .input-group .col-md-2 {
        flex: 1 1 100%;
    }
}