*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: system-ui, sans-serif;
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 2rem;
    color: #222;
    line-height: 1.6;
}

header {
    border-bottom: 1px solid #ddd;
    margin-bottom: 2rem;
    padding-bottom: .5rem;
}

nav a {
    font-weight: 600;
    color: #0057b8;
    text-decoration: none;
}

nav a:hover { text-decoration: underline; }

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    text-align: left;
    padding: .5rem .75rem;
    border-bottom: 1px solid #eee;
}

th { background: #f5f5f5; }

a { color: #0057b8; }

footer {
    margin-top: 3rem;
    padding-top: .5rem;
    border-top: 1px solid #ddd;
    font-size: .85rem;
    color: #888;
}

dl { display: grid; grid-template-columns: 120px 1fr; gap: .25rem 1rem; }
dt { font-weight: 600; }