@font-face {
    font-family: 'San Francisco';
    src: url('https://cdnjs.cloudflare.com/ajax/libs/ink/3.1.10/fonts/avenir-lt-w01_35-light1475496.woff2') format('woff2');
}

body {
    font-family: 'San Francisco', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    background: #f0f0f0;
}

.container {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    max-width: 800px;
    width: 90%;
    text-align: center;
}

.pdf-preview {
    width: 100%;
    height: 500px;
    border: 1px solid #ccc;
    margin-bottom: 20px;
    border-radius: 5px;
}

.download-btn {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 16px;
    transition: background-color 0.3s;
}

.download-btn:hover {
    background-color: #0056b3;
}