.whatsgram-chat-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #25D366;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    z-index: 9998;
}

.whatsgram-chat-button:hover {
    transform: scale(1.1);
}

.whatsgram-chat-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.whatsgram-chat-modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.whatsgram-chat-close {
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #aaa;
}

.whatsgram-chat-close:hover {
    color: #555;
}

.whatsgram-chat-modal h2 {
    margin-top: 0;
    color: #075E54;
    font-size: 24px;
}

#whatsgram-chat-message {
    width: 100%;
    height: 100px;
    margin: 15px 0;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    resize: vertical;
    font-family: inherit;
}

.whatsgram-chat-start-button {
    background-color: #25D366;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    width: 100%;
    transition: background-color 0.3s ease;
}

.whatsgram-chat-start-button:hover {
    background-color: #128C7E;
}

@media screen and (max-width: 480px) {
    .whatsgram-chat-modal-content {
        margin: 30% auto;
        width: 95%;
    }
    
    .whatsgram-chat-button {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
    
    .whatsgram-chat-button svg {
        width: 20px;
        height: 20px;
    }
}