#act-signup-form {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    max-width: 600px;
    margin: auto;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
#act-signup-form input,
#act-signup-form select {
    width: 100%;
    padding: 10px;
    margin: 5px 0 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
    box-sizing: border-box;
}
#act-signup-form button {
    background-color: #0073aa;
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 3px;
}
#act-signup-form button:hover {
    background-color: #005a87;
}
#act-signup-form .required {
    color: red;
}
.form-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.form-group {
    flex: 0 0 48%;
    box-sizing: border-box;
}
.form-group-full {
    flex: 0 0 100%;
    box-sizing: border-box;
}
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    z-index: 9999;
    text-align: center;
    padding-top: 200px;
    font-size: 20px;
    color: #333;
}