#mf-open-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 16px;
    z-index: 9999;
}

#mf-modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 9998;
}

#mf-modal {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 30px;
    z-index: 9999;
    border-radius: 10px;
    max-width: 400px;
    width: 90%;
}

.mf-hidden {
    display: none;
}

#mf-form input, #mf-form button {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 10px;
}