.frame-whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    cursor: pointer;
    transition: transform 0.3s ease;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.frame-whatsapp-button:hover {
    transform: scale(1.1);
}

.frame-whatsapp-balloon {
    position: absolute;
    top: -60px;
    width: 200px;
    right: 0;
    background-color: #fff;
    color: #000;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 14px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    display: none;
}

.frame-whatsapp-button:hover .frame-whatsapp-balloon {
    display: block;
}

.frame-whatsapp-modal,
.frame-whatsapp-shortcode-modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    -webkit-overflow-scrolling: touch;
}

.frame-whatsapp-modal-content,
.frame-whatsapp-shortcode-modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 30px;
    border: 1px solid #888;
    width: 90%;
    max-width: 500px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.frame-whatsapp-close,
.frame-whatsapp-close-msg,
.frame-whatsapp-shortcode-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background-color: #25D366;
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s ease;
}

.frame-whatsapp-close:hover,
.frame-whatsapp-close-msg:hover,
.frame-whatsapp-shortcode-close:hover {
    background-color: #128C7E;
}

.frame-whatsapp-close span,
.frame-whatsapp-close-msg span,
.frame-whatsapp-shortcode-close span {
    line-height: 1;
}

.frame-whatsapp-modal-content h2,
.frame-whatsapp-shortcode-modal-content h2 {
    color: #25D366;
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

#frame-whatsapp-form .form-group,
#frame-whatsapp-form-msg .form-group,
.frame-whatsapp-form .form-group,
#frame-whatsapp-shortcode-form .form-group {
    margin-bottom: 20px;
}

#frame-whatsapp-form label,
#frame-whatsapp-form-msg label,
.frame-whatsapp-form label,
#frame-whatsapp-shortcode-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

#frame-whatsapp-form input,
#frame-whatsapp-form-msg input,
.frame-whatsapp-form input,
#frame-whatsapp-form textarea,
#frame-whatsapp-form-msg textarea,
.frame-whatsapp-form textarea,
#frame-whatsapp-shortcode-form input,
#frame-whatsapp-shortcode-form textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    -webkit-appearance: none;
    appearance: none;
}

#frame-whatsapp-form input:focus,
#frame-whatsapp-form-msg input:focus,
.frame-whatsapp-form input:focus,
#frame-whatsapp-form textarea:focus,
#frame-whatsapp-form-msg textarea:focus,
.frame-whatsapp-form textarea:focus,
#frame-whatsapp-shortcode-form input:focus,
#frame-whatsapp-shortcode-form textarea:focus {
    outline: none;
    border-color: #25D366;
    box-shadow: 0 0 5px rgba(37, 211, 102, 0.5);
}

#frame-whatsapp-submit,
#frame-whatsapp-submit-msg,
.frame-whatsapp-form a#frame-whatsapp-submit,
#frame-whatsapp-shortcode-submit {
    display: inline-block;
    width: 100%;
    background-color: #25D366;
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    transition: background-color 0.3s ease;
    text-align: center;
    text-decoration: none;
    -webkit-appearance: none;
    appearance: none;
}

#frame-whatsapp-submit:hover,
#frame-whatsapp-submit-msg:hover,
.frame-whatsapp-form a#frame-whatsapp-submit:hover,
#frame-whatsapp-shortcode-submit:hover {
    background-color: #128C7E;
}

.required {
    color: #ff0000;
}

.form-note {
    font-size: 14px;
    color: #666;
    margin-top: 10px;
    text-align: center;
}

#frame-whatsapp-modal-msg .frame-whatsapp-modal-content {
    max-width: 550px;
}

#frame-whatsapp-message-msg {
    height: 100px;
    resize: vertical;
}

@media screen and (max-width: 600px) {
    .frame-whatsapp-modal-content,
    .frame-whatsapp-shortcode-modal-content {
        width: 95%;
        margin: 5% auto;
    }

    .frame-whatsapp-button {
        bottom: 10px;
        right: 10px;
    }

    .frame-whatsapp-button img {
        width: 60px;
        height: 60px;
    }

    .frame-whatsapp-balloon {
        width: 150px;
        font-size: 12px;
    }
}

@supports (-webkit-overflow-scrolling: touch) {
    .frame-whatsapp-button {
        position: absolute;
    }

    .frame-whatsapp-modal,
    .frame-whatsapp-shortcode-modal {
        position: absolute;
    }
}