body {
    font-family: Arial, sans-serif;
    background-color: #2c2c2c;
    color: #fff;
    margin: 0;
    padding: 0;
}

.container {
    width: 60%;
    margin: 50px auto;
    padding: 30px;
    background: #333;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    border-radius: 10px;
}

h1, h2 {
    text-align: center;
    color: #f1f1f1;
}

.form-section {
    margin-bottom: 30px;
}

input[type="file"], input[type="password"] {
    width: calc(100% - 22px);
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #555;
    border-radius: 5px;
    background-color: #444;
    color: #fff;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #5cb85c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #4cae4c;
}

.message {
    text-align: center;
    color: #d9534f;
    font-weight: bold;
}

#progressBar {
    width: 0;
    height: 10px;
    background-color: #4caf50;
    margin: 10px 0;
    display: none;
    border-radius: 5px;
}

#progressText {
    font-size: 14px;
    color: #4caf50;
    margin-top: 5px;
    text-align: center;
}