:root {
  --bg: #ffffff;
  --fg: #1a1d21;
  --muted: #61686f;
  --border: #e3e6ea;
  --code-bg: #f6f7f9;
  --accent: #2f6f4f;
  --accent-soft: #eaf3ee;
  --sidebar-active: #f0f2f4;
  --radius: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181c;
    --fg: #dfe3e8;
    --muted: #929aa3;
    --border: #2a2e35;
    --code-bg: #1d2026;
    --accent: #6fbf95;
    --accent-soft: #1e2a24;
    --sidebar-active: #21252b;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15.5px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
}

code, pre, kbd {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: #fff; padding: 8px 14px;
}
.skip:focus { left: 12px; top: 12px; z-index: 20; }

/* --- Верхняя панель --- */
.topbar {
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
  background: var(--bg);
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 54px;
}
.brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 16px;
  color: var(--fg); text-decoration: none;
  letter-spacing: -0.01em;
}
.brand svg { color: var(--accent); }
.topnav { display: flex; gap: 20px; align-items: center; font-size: 14px; }
.topnav a { color: var(--muted); text-decoration: none; }
.topnav a:hover { color: var(--fg); }
.topnav a.active { color: var(--fg); font-weight: 500; }
.lang { border-left: 1px solid var(--border); padding-left: 20px; }

/* --- Раскладка --- */
.layout { display: block; padding-top: 32px; padding-bottom: 56px; }
.layout.with-sidebar {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}

.sidebar { position: sticky; top: 78px; font-size: 14px; }
.sidebar h4 {
  margin: 0 0 8px; font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--muted); font-weight: 600;
}
.sidebar ul { list-style: none; margin: 0 0 22px; padding: 0; }
.sidebar li { margin: 1px 0; }
.sidebar a {
  display: block; padding: 5px 10px; border-radius: var(--radius);
  color: var(--muted); text-decoration: none;
}
.sidebar a:hover { background: var(--sidebar-active); color: var(--fg); }
.sidebar a.active {
  background: var(--accent-soft); color: var(--accent); font-weight: 500;
}

main { min-width: 0; }

/* --- Типографика --- */
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 12px; letter-spacing: -0.02em; }
h2 {
  font-size: 20px; margin: 38px 0 12px; letter-spacing: -0.01em;
  padding-top: 10px; border-top: 1px solid var(--border);
}
h3 { font-size: 16px; margin: 26px 0 8px; }
p { margin: 0 0 14px; }
a { color: var(--accent); }
ul, ol { margin: 0 0 14px; padding-left: 22px; }
li { margin: 4px 0; }
.lead { font-size: 17px; color: var(--muted); margin-bottom: 26px; }
.muted { color: var(--muted); }
small { font-size: 13px; }

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 15px;
  overflow-x: auto;
  font-size: 13.5px; line-height: 1.55;
  margin: 0 0 16px;
}
pre code { background: none; padding: 0; font-size: inherit; }
code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.9em;
}

table {
  width: 100%; border-collapse: collapse;
  margin: 0 0 18px; font-size: 14.5px;
  display: block; overflow-x: auto;
}
th, td {
  text-align: left; padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { font-weight: 600; white-space: nowrap; }
td code { white-space: nowrap; }

.note {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  padding: 11px 15px; border-radius: 0 var(--radius) var(--radius) 0;
  margin: 0 0 18px; font-size: 14.5px;
}
.note p:last-child { margin-bottom: 0; }

/* --- Главная --- */
.hero { padding: 18px 0 8px; }
.hero h1 { font-size: 38px; margin-bottom: 14px; }
.hero .lead { font-size: 18px; max-width: 62ch; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 26px; }
.badge {
  font-size: 12.5px; padding: 3px 9px;
  border: 1px solid var(--border); border-radius: 20px;
  color: var(--muted);
}
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 8px; }
.btn {
  display: inline-block; padding: 8px 17px; border-radius: var(--radius);
  text-decoration: none; font-size: 14.5px; font-weight: 500;
  border: 1px solid var(--accent);
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-ghost { color: var(--fg); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--muted); }

.grid {
  display: grid; gap: 20px; margin: 30px 0;
  grid-template-columns: repeat(auto-fit, minmax(228px, 1fr));
}
.card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 17px 19px;
}
.card h3 { margin: 0 0 6px; font-size: 15px; }
.card p { margin: 0; font-size: 14px; color: var(--muted); }

/* --- Подвал --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 22px 0 34px; font-size: 13.5px; color: var(--muted);
}
.footer p { margin: 2px 0; }

/* --- Changelog --- */
.release { margin-bottom: 34px; }
.release h2 {
  display: flex; align-items: baseline; gap: 12px;
  border-top: none; padding-top: 0; margin-top: 0;
}
.release h2 .date { font-size: 13.5px; font-weight: 400; color: var(--muted); }

/* --- 404 --- */
.center { text-align: center; padding: 68px 0 90px; }
.center h1 { font-size: 60px; margin-bottom: 6px; color: var(--muted); }

@media (max-width: 760px) {
  .layout.with-sidebar { grid-template-columns: 1fr; gap: 0; }
  .sidebar {
    position: static; margin-bottom: 30px;
    padding-bottom: 18px; border-bottom: 1px solid var(--border);
  }
  .sidebar ul { margin-bottom: 12px; }
  .hero h1 { font-size: 29px; }
  .topnav { gap: 13px; font-size: 13.5px; }
  .lang { padding-left: 13px; }
}