:root {
  --ink: #1a2230;
  --muted: #5a6577;
  --accent: #1d3a5f;
  --amber: #f2b134;
  --paper: #f7f6f2;
  --rule: #d9d6cc;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e8e6e1; --muted: #a2a9b5; --accent: #9cc0ea; --paper: #12161d; --rule: #2b323d; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  /* faint drawing-sheet grid */
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
}
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}
.sheet {
  max-width: 640px;
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-left: 6px solid var(--amber);
  padding: 40px 40px 32px;
}
.mark { font: 600 13px/1 ui-monospace, "SFMono-Regular", Consolas, monospace; letter-spacing: .18em; color: var(--muted); text-transform: uppercase; }
h1 { font-size: clamp(32px, 6vw, 44px); line-height: 1.1; margin: 14px 0 16px; color: var(--accent); letter-spacing: -0.01em; }
p.lede { font-size: 19px; margin: 0 0 24px; }
.status { display: inline-block; font: 600 12px/1 ui-monospace, Consolas, monospace; letter-spacing: .08em; text-transform: uppercase; padding: 6px 10px; border: 1px solid var(--amber); color: var(--ink); margin-bottom: 28px; }
ul { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
li { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--rule); }
li span { flex: 0 0 88px; font: 600 12px/1.9 ui-monospace, Consolas, monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
footer { text-align: center; padding: 16px; font-size: 13px; color: var(--muted); }
@media (max-width: 480px) { .sheet { padding: 28px 22px 22px; } li { flex-direction: column; gap: 2px; } li span { flex: none; } }