:root {
  color-scheme: dark;
  --bg: #0b0c0e;
  --bg-elevated: #16181b;
  --fg: #f1f3f5;
  --fg-muted: #a5aab2;
  --fg-subtle: #6e757d;
  --border: #20242a;
  --accent: #00e0c6;
  --warning: #e3a232;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 48px 20px 96px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 40px;
}
.brand { font-weight: 600; font-size: 18px; color: var(--fg); }
.brand b { color: var(--accent); font-weight: 600; }
.top-links { display: flex; align-items: center; gap: 16px; }
.back { font-size: 14px; color: var(--fg-muted); white-space: nowrap; }
.lang {
  font-size: 13px; font-weight: 500; color: var(--fg-muted);
  border: 1px solid var(--border); border-radius: 8px; padding: 3px 10px;
  transition: color .15s, border-color .15s;
}
.lang:hover { color: var(--fg); border-color: var(--accent); text-decoration: none; }
h1 { font-size: 28px; font-weight: 600; margin: 0 0 4px; letter-spacing: 0; }
.updated { color: var(--fg-subtle); font-size: 13px; margin: 0 0 28px; }
h2 { font-size: 18px; font-weight: 600; margin: 36px 0 10px; color: var(--fg); }
p, li { color: var(--fg-muted); font-size: 15px; margin: 10px 0; }
ul { padding-left: 22px; margin: 10px 0; }
li { margin: 6px 0; }
strong { color: var(--fg); font-weight: 600; }
.draft {
  border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  color: var(--fg);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 14px;
  margin: 0 0 32px;
}
.fill {
  color: var(--warning);
  font-weight: 600;
  border-bottom: 1px dotted color-mix(in srgb, var(--warning) 60%, transparent);
}
footer {
  margin-top: 56px; padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--fg-subtle); font-size: 13px;
}