:root {
  --bg: #ffffff; --text: #1f2937; --muted: #6b7280; --line: #e5e7eb; --accent: #0f766e;
  --draft-bg: #fef3c7; --draft-text: #78350f; --mark: #fde68a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827; --text: #e5e7eb; --muted: #9ca3af; --line: #374151; --accent: #5eead4;
    --draft-bg: #451a03; --draft-text: #fde68a; --mark: #78350f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 820px; margin: 0 auto; padding: 24px 16px 64px; }
a { color: var(--accent); }
h1 { font-size: 1.7rem; line-height: 1.25; margin: 8px 0 4px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; padding-top: 8px; border-top: 1px solid var(--line); }
h3 { font-size: 1rem; margin: 20px 0 6px; }
.meta { color: var(--muted); font-size: .9rem; margin: 0 0 16px; }
.draft {
  background: var(--draft-bg); color: var(--draft-text); border-radius: 8px;
  padding: 12px 14px; font-size: .92rem; margin: 16px 0;
}
mark { background: var(--mark); color: inherit; padding: 0 3px; border-radius: 3px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; margin: 8px 0; }
th, td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
th { background: color-mix(in srgb, var(--line) 50%, transparent); }
nav.top { font-size: .9rem; }
nav.top a { margin-right: 12px; }
footer { color: var(--muted); font-size: .85rem; margin-top: 48px; border-top: 1px solid var(--line); padding-top: 12px; }
@media print {
  nav.top, footer { display: none; }
  .draft { border: 1px solid #999; }
}