/* Визуальный язык sql-kai/notes: zinc-шкала, sky-акцент, авто-тема. */
:root {
  color-scheme: dark;
  --bg: #09090b;
  --panel: #101013;
  --panel-2: #18181b;
  --border: #27272a;
  --border-strong: #3f3f46;
  --fg: #e4e4e7;
  --fg-strong: #fafafa;
  --muted: #a1a1aa;
  --faint: #71717a;
  --dim: #52525b;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, monospace;
  --page: 760px;
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #fafafa;
    --panel: #ffffff;
    --panel-2: #f4f4f5;
    --border: #e4e4e7;
    --border-strong: #d4d4d8;
    --fg: #27272a;
    --fg-strong: #09090b;
    --muted: #52525b;
    --faint: #71717a;
    --dim: #a1a1aa;
    --accent: #0284c7;
    --accent-strong: #0369a1;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--page); margin: 0 auto; padding: 10px 24px;
  display: flex; align-items: center; gap: 10px; font-size: 12px;
}
.brand { color: var(--faint); font-family: var(--mono); font-size: 12px; text-decoration: none; }
.brand:hover { color: var(--fg); }
.topbar .spacer { flex: 1; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  border: 1px solid var(--border); border-radius: 6px;
  padding: 2px 8px; font-size: 11px; color: var(--muted);
  text-decoration: none; background: var(--panel);
}
a.chip:hover { border-color: var(--border-strong); color: var(--fg-strong); }
.wrap { max-width: var(--page); margin: 0 auto; padding: 40px 24px 96px; }
header.doc { margin-bottom: 28px; }
header.doc h1 {
  margin: 0 0 10px; font-size: 27px; line-height: 1.25;
  letter-spacing: -0.02em; color: var(--fg-strong); font-weight: 600;
}
.meta { font-size: 11px; color: var(--faint); font-family: var(--mono); }
article h2 {
  margin: 42px 0 14px; padding-bottom: 8px; font-size: 20px; font-weight: 600;
  letter-spacing: -0.01em; color: var(--fg-strong); border-bottom: 1px solid var(--border);
}
article p { margin: 14px 0; }
article ul { margin: 14px 0; padding-left: 22px; }
article li { margin: 6px 0; }
article li::marker { color: var(--dim); }
article a {
  color: var(--accent); text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}
article a:hover { color: var(--accent-strong); border-bottom-color: var(--accent-strong); }
article strong { color: var(--fg-strong); font-weight: 600; }
footer {
  max-width: var(--page); margin: 0 auto; padding: 0 24px 48px;
  font-size: 11px; color: var(--faint); font-family: var(--mono);
}