.scm-add-client-form {
    max-width: 400px;
    background: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
}
.scm-add-client-form label { display:block; margin-top:10px; }
.scm-add-client-form input { width:100%; padding:5px; }
.scm-add-client-form button { margin-top:15px; }
.scm-message { margin-top:10px; font-weight: bold; }
.scm-success { color: green; }
.scm-error { color: red; }