.rsvp-whatsapp-container {
    max-width: 100%;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.rsvp-field {
    margin-bottom: 15px;
}
.rsvp-field label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
.rsvp-field input, .rsvp-field select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.rsvp-btn {
    background-color: #25D366;
    color: #fff;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
}
.rsvp-btn:hover {
    background-color: #128C7E;
}