.jtec-wrapper {
    max-width: 500px;
    margin: 40px auto;
    padding: 25px;
    background: linear-gradient(to right, #f9f9f9, #e0e0e0);
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    font-family: 'Segoe UI', sans-serif;
    text-align: center;
}
.jtec-wrapper h2 {
    margin-bottom: 20px;
    color: #333;
}
.jtec-wrapper input[type="file"],
.jtec-wrapper input[type="submit"] {
    padding: 10px 15px;
    margin: 10px 0;
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 8px;
}
.jtec-download {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #28a745;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
}
.jtec-download:hover {
    background-color: #218838;
}
.jtec-error {
    color: red;
    font-weight: bold;
}