/* Placeholder for styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}
header, footer {
    background: #fff;
    padding: 1rem 2rem;
    border-bottom: 1px solid #eee;
}
footer {
    border-top: 1px solid #eee;
    border-bottom: none;
    text-align: center;
    margin-top: 2rem;
}
main {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    margin-top: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
nav a {
    margin-right: 15px;
    text-decoration: none;
    color: #007bff;
}
nav a:hover {
    text-decoration: underline;
}