body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
    text-align: center;
}

.container {
    max-width: 600px;
    background: white;
    padding: 20px;
    margin: auto;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    margin-bottom: 10px;
    color: #333;
}

p {
    color: #666;
}

.input-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    resize: none;
    font-size: 16px;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    margin-top: 10px;
}

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

.divider {
    margin: 15px 0;
    font-weight: bold;
    color: #888;
}

.file-upload {
    display: flex;
    flex-direction: column;
}

input[type="file"] {
    padding: 8px;
    margin-bottom: 10px;
}

#loading {
    font-size: 18px;
    color: #ff9800;
    font-weight: bold;
    margin-top: 10px;
}

.hidden {
    display: none;
}

pre {
    background: #eee;
    padding: 10px;
    border-radius: 5px;
    text-align: left;
    overflow: auto;
    max-height: 300px;
    font-size: 14px;
}