.chat-widget {
    position: relative;
    width: 400px;
    max-width: 100%;
    background: #f0f2f5;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    overflow: hidden;
    transform: translateY(0);
    transition: all 0.3s ease;
    margin: 0 auto;
}
.chat-widget:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}
.chat-header {
    position: relative;
    overflow: hidden;
}
.chat-body {
    padding: 20px;
}
textarea {
    width: 100%;
    height: 80px;
    padding: 10px;
    resize: none;
}
.send-button {
    margin-top: 10px;
    padding: 10px 15px;
    background-color: #25d366;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}