.contact-tabs {
    display: flex;
    margin-bottom: 15px;
}

.contact-tab {
    padding: 10px 15px;
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-right: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.contact-tab:last-child {
    border-right: 1px solid #ddd;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}

.contact-tab:first-child {
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}

.contact-tab.active {
    background-color: #0073aa;
    color: white;
    border-color: #0073aa;
}

.phone-input-container {
    display: flex;
    gap: 10px;
}

.country-code-container {
    display: flex;
    align-items: center;
    gap: 5px;
}

#ad-country-code {
    width: 80px;
}

#country-name {
    white-space: nowrap;
    color: #666;
    font-size: 14px;
}

.ad-error-message {
    color: #dc3232;
    font-size: 13px;
    margin-top: 5px;
    display: none;
}

@media (max-width: 768px) {
    .phone-input-container {
        flex-direction: column;
    }
    
    #ad-country-code {
        width: 100%;
    }
}