body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    text-align: center;
}

h1 {
    color: #007bff;
    margin-bottom: 20px;
}

p {
    margin-bottom: 30px;
    line-height: 1.6;
}

form {
    margin-bottom: 20px;
}

input[type="file"] {
    display: block;
    margin: 10px auto;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 10px 5px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

.message {
    color: green;
    font-weight: bold;
    margin-top: 10px;
}

.progress-bar {
    width: 100%;
    background-color: #ddd;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 10px;
}

#progressBar {
    background-color: #4CAF50;
    height: 30px;
    line-height: 30px;
    text-align: center;
    color: white;
    transition: width 0.5s;
}

.buttons {
    margin: 20px 0;
}

.summary {
    margin-top: 30px;
    text-align: left;
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 5px;
    background-color: #f9f9f9;
}

.summary h2 {
    color: #007bff;
    font-size: 1.2em;
    margin-top: 0;
}