:root {
    --bg: #0b0f1a;
    --card: #131a2b;
    --text: #e8ecf5;
    --muted: #9aa4bb;
    --accent: #3d8bfd;
    --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
}

.wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 20px 80px;
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 36px;
}

.top-nav .brand {
    font-weight: 700;
    font-size: 20px;
    color: var(--text);
    text-decoration: none;
}

.top-nav .links {
    margin-left: auto;
    display: flex;
    gap: 18px;
}

.top-nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
}

.top-nav a.current {
    color: var(--accent);
    font-weight: 600;
}

h1 {
    font-size: 30px;
    margin: 0 0 4px;
}

.updated {
    color: var(--muted);
    font-size: 13px;
    margin: 0 0 36px;
}

section {
    margin-bottom: 26px;
    padding-bottom: 26px;
    border-bottom: 1px solid var(--border);
}

section:last-of-type {
    border-bottom: none;
}

h2 {
    font-size: 16px;
    margin: 0 0 8px;
    color: var(--text);
}

p {
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 15px;
    white-space: pre-line;
}

footer {
    margin-top: 50px;
    color: var(--muted);
    font-size: 13px;
}

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