:root {
  color-scheme: light dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #152033;
  --muted: #5f6b7a;
  --border: #dce2ea;
  --accent: #1668dc;
  --ok: #12805c;
  --warn-bg: #fff6df;
  --warn-border: #e0a82e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c111b;
    --surface: #151d2a;
    --text: #edf2f7;
    --muted: #a6b0bf;
    --border: #2d3949;
    --accent: #74a7ff;
    --ok: #54d3a5;
    --warn-bg: #32280f;
    --warn-border: #a77a17;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
main { width: min(860px, calc(100% - 32px)); margin: 48px auto; }
article, .card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: clamp(24px, 5vw, 48px); }
h1, h2 { line-height: 1.25; }
h1 { margin-top: 0; font-size: clamp(2rem, 6vw, 3rem); }
h2 { margin-top: 2rem; }
p, li { color: var(--muted); }
a { color: var(--accent); }
code { overflow-wrap: anywhere; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.notice { border-left: 4px solid var(--warn-border); background: var(--warn-bg); padding: 12px 16px; }
.status { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.dot { width: 10px; height: 10px; border-radius: 999px; background: var(--muted); }
.dot.ok { background: var(--ok); }
.meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-top: 24px; }
.meta div { border: 1px solid var(--border); border-radius: 10px; padding: 12px; }
.meta dt { color: var(--muted); font-size: .85rem; }
.meta dd { margin: 4px 0 0; font-weight: 600; }
nav { margin-bottom: 20px; }