/* docs.ok2panel.ru — techno loft: graphite, copper, steel, a drafting grid. */
:root {
  --bg: #111110; --bg2: #171615; --panel: #1c1b19; --panel2: #24221f;
  --line: #34312c; --line2: #4a4540;
  --text: #eeeae4; --muted: #b0a89d; --dim: #8d857a;
  --copper: #f2a65a; --copper-strong: #a8550f; --steel: #7fb2f0; --ok: #5ad18a;
  --code-bg: #0b0b0a; --on-accent: #fff;
  --grid: rgba(242,166,90,.045);
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --radius: 14px;
  --mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', Consolas, ui-monospace, monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #efede9; --bg2: #e7e4df; --panel: #fbfaf8; --panel2: #f3f1ed;
  --line: #d8d2ca; --line2: #bdb4a8;
  --text: #24201c; --muted: #5a5249; --dim: #6f665b;
  --copper: #9a4a12; --copper-strong: #9a4a12; --steel: #255fa5; --ok: #1f6b38;
  --code-bg: #1b1916; --on-accent: #fff;
  --grid: rgba(154,74,18,.06);
  --shadow: 0 18px 40px rgba(60,40,20,.12);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; font-family: var(--sans); font-size: 16px; line-height: 1.65; color: var(--text);
  background:
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 32px 32px,
    var(--bg);
}
a { color: var(--copper); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--text); }
img { max-width: 100%; height: auto; display: block; }
code, kbd, pre { font-family: var(--mono); }
:not(pre) > code { font-size: .88em; background: var(--panel2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }
kbd { font-size: .85em; border: 1px solid var(--line2); border-bottom-width: 2px; border-radius: 5px; padding: 0 6px; background: var(--panel); }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }
.wrap { width: min(1180px, 100% - 40px); margin: 0 auto; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 22px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .02em; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: linear-gradient(135deg, var(--copper-strong), #5a3b22); color: #fff; font-family: var(--mono); font-size: 13px; }
.brand small { font-family: var(--mono); font-weight: 500; color: var(--dim); font-size: 12px; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; padding: 7px 12px; border-radius: 8px; font-size: 14px; font-weight: 500; }
.nav a:hover { color: var(--text); background: var(--panel2); }
.nav a[aria-current="page"] { color: var(--text); background: var(--panel2); box-shadow: inset 0 -2px 0 var(--copper); }
.icon-btn { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 9px; border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; }
.icon-btn:hover { border-color: var(--copper); }
.menu-btn { display: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1px solid transparent; font-size: 15px; }
.btn-primary { background: var(--copper-strong); color: var(--on-accent); box-shadow: inset 0 1px 0 rgba(255,255,255,.18); }
.btn-primary:hover { background: color-mix(in srgb, var(--copper-strong) 85%, #000); color: var(--on-accent); }
.btn-ghost { border-color: var(--line2); color: var(--text); background: var(--panel); }
.btn-ghost:hover { border-color: var(--copper); color: var(--text); }

/* Hero */
.hero { padding: 76px 0 40px; }
.eyebrow { font-family: var(--mono); font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--copper); display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; }
.hero h1 { font-size: clamp(36px, 5.4vw, 64px); line-height: 1.04; letter-spacing: -.035em; margin: 18px 0 18px; max-width: 900px; }
.hero h1 em { font-style: normal; color: var(--copper); }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 720px; margin: 0 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }

/* Command block */
.cmd { display: flex; align-items: center; gap: 12px; background: var(--code-bg); color: #f4efe8; border: 1px solid #3a3733; border-radius: 12px; padding: 14px 14px 14px 18px; font-family: var(--mono); font-size: 15px; max-width: 640px; box-shadow: var(--shadow); }
.cmd .prompt { color: #f2a65a; user-select: none; }
.cmd code { flex: 1; overflow-x: auto; white-space: nowrap; background: none; border: 0; padding: 0; font-size: inherit; color: inherit; }
.copy { flex-shrink: 0; font-family: var(--sans); font-size: 13px; font-weight: 600; padding: 7px 12px; border-radius: 8px; border: 1px solid #4a4540; background: #24221f; color: #f4efe8; cursor: pointer; }
.copy:hover { border-color: #f2a65a; }
.copy.done { color: #5ad18a; border-color: #5ad18a; }
.hint { font-size: 14px; color: var(--dim); margin-top: 10px; }

/* Screenshot frame */
.shot { border: 1px solid var(--line2); border-radius: var(--radius); overflow: hidden; background: var(--panel); box-shadow: var(--shadow); }
.shot-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--panel2); font-family: var(--mono); font-size: 12px; color: var(--dim); }
.shot-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line2); }
.shot-bar span { margin-left: 8px; }
.hero-shot { margin-top: 46px; position: relative; }
.hero-shot .shot + .shot { position: absolute; width: 46%; right: -2%; bottom: -12%; transform: rotate(1.2deg); }
@media (max-width: 860px) { .hero-shot .shot + .shot { display: none; } }

/* Sections */
section { padding: 70px 0; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -.025em; line-height: 1.12; margin: 12px 0 12px; }
.section-head p { color: var(--muted); margin: 0; font-size: 17px; }
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; position: relative; }
.card::before { content: ""; position: absolute; left: 22px; top: 0; width: 34px; height: 2px; background: var(--copper); }
.card h3 { margin: 6px 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .tag { font-family: var(--mono); font-size: 11.5px; color: var(--dim); letter-spacing: .08em; text-transform: uppercase; }
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; align-items: center; }
.split.rev { grid-template-columns: 1.25fr 1fr; }
.split.rev > :first-child { order: 2; }
@media (max-width: 900px) { .split, .split.rev { grid-template-columns: 1fr; } .split.rev > :first-child { order: 0; } }
.checks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.checks li { padding-left: 28px; position: relative; color: var(--muted); }
.checks li b { color: var(--text); }
.checks li::before { content: "▸"; position: absolute; left: 6px; color: var(--copper); }
.specs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 0; }
.specs div { padding: 18px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.specs div:nth-child(3n) { border-right: 0; }
.specs div:nth-last-child(-n+3) { border-bottom: 0; }
@media (max-width: 760px) { .specs { grid-template-columns: 1fr; } .specs div { border-right: 0; border-bottom: 1px solid var(--line); } .specs div:last-child { border-bottom: 0; } }
.specs dt { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.specs dd { margin: 6px 0 0; font-weight: 600; }
.steps { counter-reset: step; display: grid; gap: 14px; }
.steps > li { list-style: none; counter-increment: step; display: grid; grid-template-columns: 48px 1fr; gap: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.steps > li::before { content: counter(step, decimal-leading-zero); font-family: var(--mono); font-weight: 700; color: var(--copper); font-size: 20px; line-height: 1.2; }
.steps h3 { margin: 0 0 6px; font-size: 17px; }
.steps p { margin: 0; color: var(--muted); }
.cta { text-align: center; padding: 56px 24px; border: 1px solid var(--line2); border-radius: 20px; background: radial-gradient(circle at 50% 0, color-mix(in srgb, var(--copper) 16%, transparent), transparent 70%), var(--panel); }
.cta h2 { margin: 0 0 12px; font-size: clamp(26px, 3vw, 36px); letter-spacing: -.02em; }
.cta p { color: var(--muted); margin: 0 auto 24px; max-width: 560px; }
.cta .cmd { margin: 0 auto; text-align: left; }

/* Docs layout */
.docs { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 46px; padding: 40px 0 80px; }
.toc { position: sticky; top: 86px; align-self: start; max-height: calc(100vh - 100px); overflow: auto; font-size: 14px; }
.toc h4 { font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); margin: 0 0 10px; }
.toc a { display: block; color: var(--muted); text-decoration: none; padding: 5px 10px; border-left: 2px solid var(--line); }
.toc a:hover, .toc a.on { color: var(--text); border-left-color: var(--copper); }
.toc .sub { padding-left: 22px; font-size: 13.5px; }
.article { max-width: 800px; }
.article h1 { font-size: clamp(32px, 4vw, 44px); letter-spacing: -.03em; line-height: 1.1; margin: 10px 0 14px; }
.article > .lead { margin-bottom: 30px; }
.article h2 { font-size: 26px; letter-spacing: -.02em; margin: 52px 0 14px; padding-top: 18px; border-top: 1px solid var(--line); }
.article h3 { font-size: 19px; margin: 30px 0 10px; }
.article p, .article li { color: color-mix(in srgb, var(--text) 88%, var(--muted)); }
.article ol, .article ul { padding-left: 22px; }
.article li { margin: 6px 0; }
.article pre { background: var(--code-bg); color: #f4efe8; border: 1px solid #3a3733; border-radius: 12px; padding: 16px 18px; overflow-x: auto; font-size: 14px; line-height: 1.55; position: relative; }
.article pre .copy { position: absolute; top: 10px; right: 10px; }
.article .shot { margin: 22px 0; }
.path { font-family: var(--mono); font-size: .9em; color: var(--copper); white-space: nowrap; }
.note { border: 1px solid var(--line2); border-left: 3px solid var(--steel); border-radius: 10px; padding: 14px 16px; background: var(--panel); margin: 18px 0; }
.note.warn { border-left-color: var(--copper); }
.note b:first-child { display: block; margin-bottom: 4px; }
.note p { margin: 0; }
table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); font-weight: 600; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.table-wrap table { margin: 0; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--line); }
.pager a { display: block; padding: 14px 18px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--text); background: var(--panel); min-width: 200px; }
.pager a:hover { border-color: var(--copper); }
.pager small { display: block; font-family: var(--mono); font-size: 11.5px; color: var(--dim); letter-spacing: .08em; text-transform: uppercase; }
details { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 0 18px; margin: 10px 0; }
details summary { cursor: pointer; padding: 15px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 14px; }
details summary::after { content: "+"; font-family: var(--mono); color: var(--copper); }
details[open] summary::after { content: "−"; }
details > :not(summary) { margin-top: 0; }
details[open] { padding-bottom: 6px; }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 34px 0 44px; color: var(--dim); font-size: 14px; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; }
.foot a { color: var(--muted); }

/* Mobile */
@media (max-width: 900px) {
  .docs { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .path { white-space: normal; }
  .toc { position: static; max-height: none; border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: var(--panel); }
}
@media (max-width: 760px) {
  .menu-btn { display: grid; margin-left: auto; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; padding: 10px 20px 16px; background: var(--bg); border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .hero { padding-top: 44px; }
  section { padding: 48px 0; }
  .cmd { font-size: 13px; }
  .pager { flex-direction: column; }
}

/* Comparison */
.compare { padding: 40px 0 0; }
.compare h1 { font-size: clamp(32px, 4vw, 46px); letter-spacing: -.03em; line-height: 1.1; margin: 10px 0 14px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 4px 0 18px; color: var(--muted); font-size: 14px; }
.legend b { font-family: var(--mono); margin-right: 4px; }
.y, .legend .y { color: var(--ok); }
.p, .legend .p { color: var(--copper); }
.n, .legend .n { color: var(--dim); }
.cmp-wrap { overflow-x: auto; border: 1px solid var(--line2); border-radius: var(--radius); background: var(--panel); box-shadow: var(--shadow); }
.cmp { border-collapse: separate; border-spacing: 0; min-width: 1100px; margin: 0; font-size: 14px; }
.cmp th, .cmp td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: center; }
.cmp thead th { position: sticky; top: 0; background: var(--panel2); color: var(--text); font-family: var(--sans); font-size: 13.5px; letter-spacing: 0; text-transform: none; font-weight: 700; z-index: 2; }
.cmp tbody th { text-align: left; font-weight: 600; color: var(--text); font-family: var(--sans); text-transform: none; letter-spacing: 0; font-size: 14px; }
.cmp th:first-child { position: sticky; left: 0; z-index: 1; background: var(--panel); min-width: 220px; max-width: 260px; text-align: left; box-shadow: 1px 0 0 var(--line); }
.cmp thead th:first-child { z-index: 3; background: var(--panel2); }
.cmp td { color: var(--muted); }
.cmp td.y, .cmp td.p, .cmp td.n { font-weight: 700; font-size: 16px; }
.cmp td small { display: block; font-weight: 400; font-size: 12px; line-height: 1.35; color: var(--dim); margin-top: 3px; }
.cmp .us { background: color-mix(in srgb, var(--copper) 9%, var(--panel)); color: var(--text); }
.cmp thead .us { background: var(--copper-strong); color: var(--on-accent); }
.cmp tr.grp th { background: var(--panel2); font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--copper); text-align: left; position: static; box-shadow: none; }
.cmp tbody tr:hover td, .cmp tbody tr:hover th { background-color: color-mix(in srgb, var(--copper) 5%, var(--panel)); }
.cmp tbody tr:hover td.us { background: color-mix(in srgb, var(--copper) 14%, var(--panel)); }
.cmp-notes { padding: 40px 0 10px; }
.sources { padding: 30px 0 0; }
.sources h2 { font-size: 24px; margin: 0 0 8px; }
.sources ul { color: var(--muted); padding-left: 20px; }
.sources li { margin: 6px 0; }