#agent-chatbox {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 320px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    font-family: Arial;
}

#agent-header {
    background: #0073aa;
    color: #fff;
    padding: 12px;
    text-align: center;
    font-weight: bold;
}

#agent-messages {
    height: 250px;
    overflow-y: auto;
    padding: 10px;
}

#agent-input {
    width: 100%;
    border: none;
    padding: 10px;
    border-top: 1px solid #ddd;
}