:root {
  --bg: #0b0b0b;
  --panel: #141414;
  --text: #e9e9e9;
  --muted: #9a9a9a;
  --accent: #00c853;
  --border: #262626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px 80px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 760px; margin: 0 auto; }

header {
  padding: 48px 0 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}

.brand {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--accent);
  text-decoration: none;
  display: inline-block;
}

h1 { font-size: 30px; line-height: 1.25; margin: 18px 0 6px; }
h2 { font-size: 19px; margin: 38px 0 10px; }
h3 { font-size: 16px; margin: 24px 0 6px; color: var(--accent); }

.updated { color: var(--muted); font-size: 14px; margin: 0; }

p, li { color: var(--text); }
ul { padding-left: 22px; }
li { margin-bottom: 8px; }

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

.lead {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 0 0 8px;
}

.note { color: var(--muted); font-size: 14px; }

table { border-collapse: collapse; width: 100%; margin: 14px 0; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }

/* Wide content must scroll inside its own box, never the page body. */
.scroll-x { overflow-x: auto; }

footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

footer a { margin-right: 18px; }

@media (max-width: 520px) {
  h1 { font-size: 25px; }
  body { padding: 0 16px 60px; }
}