/* Self-hosted styles for irbr.ru пейджи. Per CLAUDE.md: никаких внешних CDN,
   шрифты системные. Лёгкий dark-friendly палитра. */

:root {
  --bg: #0f1115;
  --bg-card: #161a22;
  --fg: #e6e8ea;
  --fg-muted: #9aa3ad;
  --accent: #6fb2ff;
  --accent-dim: #3a6da8;
  --border: #2a3140;
  --code-bg: #1d2230;
  --good: #59c285;
  --warn: #d8a23a;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafbfc;
    --bg-card: #ffffff;
    --fg: #1d2530;
    --fg-muted: #5a6471;
    --accent: #1f5fb4;
    --accent-dim: #6f9fd4;
    --border: #d7dee5;
    --code-bg: #f0f3f7;
    --good: #1c8a55;
    --warn: #9c6b00;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

header.hero {
  border-bottom: 1px solid var(--border);
  padding-bottom: 28px;
  margin-bottom: 36px;
}

header.hero .crumbs {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 10px;
}

header.hero .crumbs a {
  color: var(--fg-muted);
  text-decoration: none;
}

header.hero .crumbs a:hover { color: var(--accent); }

h1 {
  font-size: 30px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 22px;
  margin: 32px 0 12px;
  letter-spacing: -0.005em;
}

h3 {
  font-size: 17px;
  margin: 24px 0 10px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p { margin: 0 0 14px; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent-dim);
}

a:hover { border-bottom-style: solid; }

code, kbd, pre {
  font-family: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13.5px;
}

code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
}

pre {
  background: var(--code-bg);
  padding: 14px 16px;
  border-radius: 6px;
  overflow-x: auto;
  line-height: 1.45;
  border: 1px solid var(--border);
}

pre code { background: transparent; padding: 0; }

ul, ol { padding-left: 22px; margin: 0 0 14px; }

li { margin-bottom: 4px; }

.tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--bg);
  letter-spacing: 0.02em;
}

.tag.good { background: var(--good); }
.tag.warn { background: var(--warn); color: var(--bg); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 18px;
  font-size: 14.5px;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  font-weight: 600;
  color: var(--fg-muted);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 22px;
  margin: 18px 0;
}

.card h2:first-child,
.card h3:first-child { margin-top: 0; }

.muted { color: var(--fg-muted); }

footer.site {
  margin-top: 60px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--fg-muted);
}

footer.site a { color: var(--fg-muted); }