:root {
  --bg: #0a0a0a; --panel: #171717; --elevated: #1f1f1f;
  --border: #262626; --border-strong: #404040;
  --fg: #fafafa; --muted: #a3a3a3; --soft: #737373;
  --accent: #f97316; --accent-hover: #ea580c; --accent-soft: rgba(249,115,22,.12);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; background: var(--bg); color: var(--fg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(249,115,22,.35); color: #fafafa; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #262626; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #404040; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ── Каркас ── */
.d-shell { min-height: 100vh; display: flex; flex-direction: column; }
.d-header {
  position: sticky; top: 0; z-index: 40; border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,.85); backdrop-filter: blur(8px);
}
.d-header-in {
  max-width: 80rem; margin: 0 auto; height: 56px; padding: 0 16px;
  display: flex; align-items: center; gap: 12px;
}
.d-logo { display: flex; align-items: center; gap: 8px; }
.d-logo-x {
  width: 28px; height: 28px; border-radius: 8px; background: var(--accent);
  color: var(--bg); font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
.d-logo-t { font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.d-logo-t span { margin-left: 6px; font-weight: 400; color: var(--muted); }
.d-burger {
  width: 36px; height: 36px; border: 1px solid var(--border); border-radius: 8px;
  color: var(--muted); display: flex; align-items: center; justify-content: center;
}
.d-burger:hover { color: var(--fg); }
.d-search-btn {
  margin-left: auto; height: 36px; display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--border); border-radius: 8px; padding: 0 10px;
  color: var(--muted); font-size: 14px; transition: border-color .15s, color .15s;
}
.d-search-btn:hover { border-color: var(--border-strong); color: var(--fg); }
.d-search-btn kbd {
  border: 1px solid var(--border); background: var(--panel); border-radius: 4px;
  padding: 2px 6px; font-size: 10px; color: var(--soft); font-family: inherit;
}
.d-body { max-width: 80rem; margin: 0 auto; width: 100%; flex: 1; display: flex; padding: 0 16px; }
.d-sidebar {
  position: sticky; top: 56px; height: calc(100vh - 56px); width: 256px;
  flex-shrink: 0; overflow-y: auto; padding: 32px 24px 32px 0; display: none;
}
.d-main { min-width: 0; flex: 1; padding: 32px 0; }
.d-footer { border-top: 1px solid var(--border); }
.d-footer-in { max-width: 80rem; margin: 0 auto; padding: 24px 16px; font-size: 12px; color: var(--soft); }

/* ── Навигация ── */
.d-nav-sec { margin-bottom: 24px; }
.d-nav-head { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.d-nav-ico {
  width: 24px; height: 24px; border: 1px solid var(--border); background: var(--panel);
  border-radius: 6px; display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 12px;
}
.d-nav-list { list-style: none; margin: 0 0 0 12px; padding: 0; border-left: 1px solid var(--border); }
.d-nav-list a {
  display: block; margin-left: -1px; border-left: 1px solid transparent;
  padding: 6px 8px 6px 16px; font-size: 14px; color: var(--muted); transition: color .15s, border-color .15s;
}
.d-nav-list a:hover { color: var(--fg); border-color: var(--border-strong); }
.d-nav-list a.active { color: var(--accent); border-color: var(--accent); font-weight: 500; }

/* ── Мобильный drawer ── */
.d-drawer-wrap { display: none; position: fixed; inset: 0; z-index: 50; background: rgba(0,0,0,.6); backdrop-filter: blur(4px); }
.d-drawer-wrap.open { display: block; }
.d-drawer {
  height: 100%; width: 320px; max-width: 85vw; overflow-y: auto;
  background: var(--bg); border-right: 1px solid var(--border); padding: 20px;
  animation: d-slide .22s ease-out;
}
@keyframes d-slide { from { transform: translateX(-100%); } to { transform: translateX(0); } }
.d-drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; font-size: 14px; font-weight: 600; }

/* ── Главная ── */
.d-home { max-width: 56rem; margin: 0 auto; }
.d-hero { padding: 48px 0; }
.d-kicker {
  display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border);
  background: var(--panel); border-radius: 999px; padding: 4px 12px;
  font-size: 12px; color: var(--muted); margin-bottom: 12px;
}
.d-hero h1 { margin: 0; font-size: clamp(30px, 5vw, 46px); letter-spacing: -.02em; }
.d-hero h1 em { color: var(--accent); font-style: normal; }
.d-hero p { max-width: 42rem; color: var(--muted); font-size: 17px; line-height: 1.6; }
.d-cta {
  display: inline-flex; align-items: center; gap: 8px; background: var(--accent);
  color: var(--bg); font-size: 14px; font-weight: 500; border-radius: 8px;
  padding: 10px 20px; margin-top: 16px; transition: background .15s;
}
.d-cta:hover { background: var(--accent-hover); }
.d-cards { display: grid; gap: 16px; grid-template-columns: 1fr; padding-bottom: 64px; }
.d-card {
  border: 1px solid var(--border); background: var(--panel); border-radius: 12px;
  padding: 20px; transition: border-color .15s;
}
.d-card:hover { border-color: var(--border-strong); }
.d-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.d-card-ico {
  width: 32px; height: 32px; border-radius: 8px; background: var(--accent-soft);
  color: var(--accent); display: flex; align-items: center; justify-content: center;
}
.d-card h2 { margin: 0; font-size: 16px; }
.d-card ul { list-style: none; margin: 0; padding: 0; }
.d-card li a { display: block; padding: 3px 0; font-size: 14px; color: var(--muted); transition: color .15s; }
.d-card li a:hover { color: var(--accent); }
.d-card .more { font-size: 12px; color: var(--soft); }

/* ── Статья ── */
.d-article-wrap { display: flex; gap: 40px; }
.d-article { min-width: 0; max-width: 48rem; flex: 1; }
.d-crumb { font-size: 14px; font-weight: 500; color: var(--accent); margin: 0 0 8px; }
.d-article h1.d-title { margin: 0; font-size: clamp(24px, 3vw, 30px); letter-spacing: -.01em; }
.d-desc { color: var(--muted); font-size: 16px; margin: 12px 0 0; }
.d-updated { color: var(--soft); font-size: 12px; border-bottom: 1px solid var(--border); padding-bottom: 20px; margin-top: 12px; }
.d-content { padding-top: 24px; }
.d-toc {
  position: sticky; top: 56px; height: calc(100vh - 56px); width: 224px;
  flex-shrink: 0; overflow-y: auto; padding: 8px 0; display: none;
}
.d-toc-head { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0 0 12px; }
.d-toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
.d-toc a {
  display: block; margin-left: -1px; border-left: 1px solid transparent;
  padding: 2px 8px 2px 16px; font-size: 13px; color: var(--muted); transition: color .15s, border-color .15s;
}
.d-toc a:hover { color: var(--fg); border-color: var(--border-strong); }
.d-toc a.h3 { padding-left: 28px; }
.d-pn { display: grid; gap: 12px; grid-template-columns: 1fr; border-top: 1px solid var(--border); margin-top: 48px; padding-top: 24px; }
.d-pn a { border: 1px solid var(--border); border-radius: 12px; padding: 16px; transition: border-color .15s; }
.d-pn a:hover { border-color: var(--border-strong); }
.d-pn .lbl { display: block; font-size: 12px; color: var(--soft); margin-bottom: 4px; }
.d-pn .ttl { font-size: 14px; font-weight: 500; }
.d-pn a:hover .ttl { color: var(--accent); }
.d-pn .next { text-align: right; }
.d-404 { text-align: center; padding: 96px 0; }
.d-404 .code { font-size: 48px; font-weight: 700; color: var(--soft); margin: 0; }
.d-404 p { color: var(--muted); }

/* ── Поиск ── */
.d-search-wrap {
  display: none; position: fixed; inset: 0; z-index: 60;
  background: rgba(0,0,0,.6); backdrop-filter: blur(4px); padding: 12vh 16px 16px;
}
.d-search-wrap.open { display: flex; justify-content: center; align-items: flex-start; }
.d-search {
  width: 100%; max-width: 36rem; border: 1px solid var(--border); background: var(--panel);
  border-radius: 12px; overflow: hidden; box-shadow: 0 24px 64px rgba(0,0,0,.5);
}
.d-search-row { display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border); padding: 0 16px; }
.d-search input {
  flex: 1; height: 48px; background: none; border: 0; outline: none;
  color: var(--fg); font-size: 14px; font-family: inherit;
}
.d-search input::placeholder { color: var(--soft); }
.d-search-res { max-height: 55vh; overflow-y: auto; padding: 8px; }
.d-search-res .empty { text-align: center; color: var(--soft); font-size: 14px; padding: 24px 12px; }
.d-hit { display: block; width: 100%; text-align: left; border-radius: 8px; padding: 10px 12px; }
.d-hit.active { background: var(--accent-soft); }
.d-hit .t { display: block; font-size: 14px; font-weight: 500; color: var(--fg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.d-hit .s { display: block; font-size: 12px; color: var(--soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Typography статьи (.docs-prose — как в ERP) ── */
.docs-prose { font-size: .95rem; line-height: 1.75; color: var(--fg); overflow-wrap: break-word; }
.docs-prose > :first-child { margin-top: 0; }
.docs-prose p { margin: 0 0 1em; }
.docs-prose h2, .docs-prose h3 { position: relative; font-weight: 600; color: #fafafa; scroll-margin-top: 90px; }
.docs-prose h2 { font-size: 1.4rem; margin: 2em 0 .75em; padding-bottom: .4em; border-bottom: 1px solid var(--border); }
.docs-prose h3 { font-size: 1.12rem; margin: 1.6em 0 .6em; }
.docs-prose .docs-anchor { margin-left: .4em; color: var(--accent); opacity: 0; text-decoration: none; transition: opacity .15s; }
.docs-prose h2:hover .docs-anchor, .docs-prose h3:hover .docs-anchor { opacity: 1; }
.docs-prose a { color: var(--accent); border-bottom: 1px solid rgba(249,115,22,.35); }
.docs-prose a:hover { border-bottom-color: var(--accent); }
.docs-prose strong { color: #fafafa; font-weight: 600; }
.docs-prose ul, .docs-prose ol { margin: 0 0 1em; padding-left: 1.4em; }
.docs-prose li { margin: .3em 0; }
.docs-prose li::marker { color: var(--muted); }
.docs-prose blockquote {
  margin: 1.2em 0; padding: .7em 1em; border-left: 3px solid var(--accent);
  background: var(--accent-soft); border-radius: 0 8px 8px 0;
}
.docs-prose blockquote p { margin: 0; }
.docs-prose code {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: .85em;
  background: var(--panel); border: 1px solid var(--border); border-radius: 5px;
  padding: .15em .4em; color: #fdba74;
}
.docs-prose pre { margin: 1.2em 0; padding: 1em 1.2em; background: #121212; border: 1px solid var(--border); border-radius: 10px; overflow-x: auto; }
.docs-prose pre code { background: transparent; border: 0; padding: 0; color: #d4d4d4; font-size: .85rem; line-height: 1.6; }
.docs-prose hr { margin: 2em 0; border: 0; border-top: 1px solid var(--border); }
.docs-prose img { max-width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--border); }
.docs-table-wrap { margin: 1.2em 0; overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
.docs-prose table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.docs-prose th { text-align: left; font-weight: 600; color: #fafafa; background: var(--elevated); padding: .6em .9em; border-bottom: 1px solid var(--border-strong); }
.docs-prose td { padding: .55em .9em; border-bottom: 1px solid var(--border); vertical-align: top; }
.docs-prose tr:last-child td { border-bottom: 0; }

/* ── Адаптив ── */
@media (min-width: 640px) {
  .d-header-in, .d-footer-in, .d-body { padding-left: 24px; padding-right: 24px; }
  .d-search-btn { width: 224px; }
  .d-cards { grid-template-columns: 1fr 1fr; }
  .d-pn { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .d-sidebar { display: block; }
  .d-burger { display: none; }
  .d-main { padding-left: 40px; }
}
@media (min-width: 1280px) {
  .d-toc { display: block; }
}