.tuvi-sdt-wrapper {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: #f9f9f9;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.tuvi-sdt-form input[type="text"] {
    width: 80%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    margin-bottom: 10px;
}

.tuvi-sdt-form button {
    padding: 10px 20px;
    font-size: 16px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.tuvi-sdt-form button:hover {
    background: #005a8c;
}

#tuvi-sdt-result {
    margin-top: 20px;
    background: #fff;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #ddd;
    text-align: left;
}