html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

header {
    padding: 1rem;
    border-bottom: 1px solid #ddd;
}

nav {
    display: flex;
    gap: 1rem;
}

nav a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    color: #666;
    text-decoration: underline;
}

main {
    flex: 1;
    padding: 1rem;
}

footer {
    margin-top: auto;
    padding: 1rem;
    text-align: center;
    border-top: 1px solid #ddd;
}

footer a {
    color: #666;
    text-decoration: none;
}

footer a:hover {
    color: #333;
    text-decoration: underline;
}