:root {
  --ink: #e8edf2;
  --ink-dim: #8b98a5;
  --bg: #0d1218;
  --panel: #141b23;
  --line: rgba(139, 152, 165, 0.25);
  --hail: #ff40ff;
  --storm: #fb8c00;
  --mono: ui-monospace, "Cascadia Mono", "JetBrains Mono", Menlo, monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); line-height: 1.65; }

.topbar { position: sticky; top: 0; background: rgba(13,18,24,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); padding: calc(env(safe-area-inset-top) + 12px) 20px 12px;
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; z-index: 10; }
.topbar .brand { font-weight: 800; letter-spacing: 0.06em; font-size: 17px; color: var(--ink); text-decoration: none; }
.topbar .back { font-size: 13px; color: var(--ink-dim); text-decoration: none; }
.topbar .back:hover { color: var(--ink); }

main { max-width: 720px; margin: 0 auto; padding: 32px 20px calc(env(safe-area-inset-bottom) + 64px); }
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-dim); }
h1 { font-size: clamp(26px, 6vw, 34px); font-weight: 800; letter-spacing: 0.01em; margin: 6px 0 4px; }
.updated { font-family: var(--mono); font-size: 12px; color: var(--ink-dim); margin-bottom: 28px; }
h2 { font-size: 17px; margin: 32px 0 8px; padding-top: 16px; border-top: 1px dashed var(--line); }
h3 { font-size: 14px; margin: 18px 0 6px; }
p, li { font-size: 14.5px; color: var(--ink); }
p { margin: 8px 0; }
ul { margin: 8px 0 8px 20px; }
li { margin: 4px 0; }
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--hail); text-underline-offset: 3px; }
a:hover, a:focus-visible { color: #fff; }
.dim { color: var(--ink-dim); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 14px 0; }
.card.warn { border-color: var(--storm); }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-dim); }
.footer-links { margin-top: 48px; padding-top: 16px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--ink-dim); }
@media (max-width: 560px) { table, thead, tbody, tr { display: block; } thead { display: none; }
  td { display: block; border-bottom: 0; padding: 4px 0; }
  tr { border-bottom: 1px solid var(--line); padding: 10px 0; } }