.pf-form {
    max-width: 500px;
    padding: 20px;
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
}
.pf-form input, .pf-form select, .pf-form textarea {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
}
.pf-form button {
    background: #25d366;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
}
.pf-success {
    border: 1px solid #28a745;
    background: #d4edda;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    color: #155724;
}