:root {
    --text: #1d1d1f;
    --muted: #5f6368;
    --line: #e3e3e6;
    --accent: #1f4fd1;
    --bg-soft: #f6f7f9;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.6;
    color: var(--text);
    background: #fff;
}

a {
    color: var(--accent);
}

.site-header,
main,
.site-footer {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
}

.site-header .brand {
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.site-header nav a {
    margin-left: 16px;
    text-decoration: none;
}

h1 {
    font-size: 2rem;
    line-height: 1.2;
    margin-top: 32px;
}

h2 {
    margin-top: 40px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
}

h3 {
    margin-top: 24px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 0.95rem;
}

th,
td {
    text-align: left;
    vertical-align: top;
    padding: 10px 12px;
    border: 1px solid var(--line);
}

th {
    background: var(--bg-soft);
}

.meta {
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--muted);
}

.site-footer {
    margin-top: 48px;
    padding-top: 16px;
    padding-bottom: 32px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.9rem;
}