:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1c1e26;
  --muted: #646a7a;
  --accent: #2f6fed;
  --border: #e3e6ee;
  --code: #eef1f7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141a;
    --card: #1b1e27;
    --text: #e8eaf0;
    --muted: #9aa1b2;
    --accent: #6c9bff;
    --border: #2a2e3a;
    --code: #262a36;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.5;
}

header, main, footer {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 16px;
}

header { padding-top: 56px; padding-bottom: 24px; }

h1 { font-size: 2.2rem; margin: 12px 0 8px; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }

.lead { color: var(--muted); margin: 0; max-width: 60ch; }

.badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.grid .card { margin-bottom: 0; }
.grid p { margin: 0; color: var(--muted); }

table { border-collapse: collapse; width: 100%; }
td { padding: 6px 12px 6px 0; vertical-align: top; }
td:first-child { color: var(--muted); white-space: nowrap; width: 1%; }

code {
  background: var(--code);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  word-break: break-all;
}

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

footer { color: var(--muted); font-size: 0.85rem; padding-top: 24px; padding-bottom: 40px; }