.minty-referral {
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.minty-referral .input-group {
    display: flex;
    align-items: center;
}

.minty-referral-message {
    margin-top: 0.5rem;
    padding: 0.5rem;
    border-radius: 4px;
    display: none;
}

.minty-referral-message.success {
    background-color: #dff0d8;
    color: #3c763d;
    border: 1px solid #d6e9c6;
}

.minty-referral-message.error {
    background-color: #f2dede;
    color: #a94442;
    border: 1px solid #ebccd1;
}

.minty-referral-message.info {
    background-color: #d9edf7;
    color: #31708f;
    border: 1px solid #bce8f1;
}

/* Utility classes */
.d-none {
    display: none !important;
}