.aircraft-type-form {
    max-width: 500px;
    margin: 20px 0;
    padding: 20px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 5px;
}
.aircraft-type-form label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
}
.aircraft-type-form select,
.aircraft-type-form input[type="text"],
.aircraft-type-form input[type="date"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}
.aircraft-type-form fieldset {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.aircraft-type-form legend {
    font-weight: bold;
    padding: 0 5px;
}
.aircraft-type-form input[type="checkbox"] {
    margin-right: 10px;
}
.aircraft-type-form input[type="submit"] {
    background-color: #0073aa;
    color: #fff;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.aircraft-type-form input[type="submit"]:hover {
    background-color: #005177;
}
.aircraft-type-form .success {
    color: #008000;
    font-weight: bold;
}
.aircraft-type-form .error {
    color: #ff0000;
    font-weight: bold;
}
#lookup_btn {
    background-color: #0073aa;
    color: #fff;
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 15px;
}
#lookup_btn:hover {
    background-color: #005177;
}
#lookup_result {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 4px;
}
#lookup_result p.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
#lookup_result p.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}