:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --panel: #111419;
  --panel-2: #171b21;
  --line: #262c34;
  --muted: #929ba8;
  --text: #f3f5f7;
  --lime: #b9f541;
  --cyan: #61ddff;
  --violet: #a78bfa;
  --orange: #ffb86b;
  --sidebar: 260px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 80% 5%, rgba(97,221,255,.07), transparent 28%),
              radial-gradient(circle at 30% 40%, rgba(185,245,65,.035), transparent 25%);
}
.noise { position: fixed; inset: 0; opacity: .025; pointer-events: none; z-index: 10;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: inherit; }
code, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
code { font-size: .9em; }
.sidebar {
  position: fixed; inset: 0 auto 0 0; z-index: 20; width: var(--sidebar);
  display: flex; flex-direction: column; padding: 26px 20px;
  background: rgba(12,14,17,.96); border-right: 1px solid var(--line); backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-bottom: 38px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px;
  background: var(--lime); color: #0a0d08; font-weight: 900; font-size: 20px; box-shadow: 0 0 30px rgba(185,245,65,.15); }
.brand strong { display: block; letter-spacing: .08em; }
.brand small { display: block; color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
nav { display: grid; gap: 3px; }
nav a { padding: 8px 11px; border-radius: 8px; color: #aab2bd; text-decoration: none; font-size: 13px; }
nav a:hover, nav a.active { color: var(--text); background: var(--panel-2); }
.sidebar-foot { margin-top: auto; display: grid; gap: 8px; color: var(--muted); font-size: 11px; }
.sidebar-foot a { text-decoration: none; color: #c5cbd3; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); display: inline-block; box-shadow: 0 0 10px var(--lime); }
main { margin-left: var(--sidebar); min-width: 0; }
.topbar { height: 66px; position: sticky; top: 0; z-index: 15; display: flex; align-items: center; gap: 18px;
  padding: 0 max(32px, calc((100vw - var(--sidebar) - 980px) / 2));
  border-bottom: 1px solid rgba(38,44,52,.75); background: rgba(11,13,16,.82); backdrop-filter: blur(20px); }
.menu { display: none; background: none; color: white; border: 0; font-size: 20px; }
.search { flex: 1; max-width: 620px; height: 38px; display: flex; align-items: center; gap: 9px; padding: 0 11px;
  border: 1px solid var(--line); border-radius: 9px; background: #111419; color: var(--muted); }
.search:focus-within { border-color: #53606e; }
.search input { width: 100%; border: 0; outline: 0; color: var(--text); background: transparent; font: inherit; font-size: 13px; }
kbd { border: 1px solid #343b45; border-radius: 5px; padding: 0 6px; font: 11px/19px inherit; color: var(--muted); }
.spec-link { margin-left: auto; color: var(--lime); text-decoration: none; font-size: 12px; letter-spacing: .05em; text-transform: uppercase; }
.hero, .doc-section, footer { width: min(980px, calc(100% - 64px)); margin-inline: auto; }
.hero { min-height: 690px; display: flex; flex-direction: column; justify-content: center; padding: 100px 0 72px; }
.eyebrow, .section-label { color: var(--lime); font: 700 11px/1.3 "SFMono-Regular", Consolas, monospace; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 24px 0 20px; font-size: clamp(50px, 7vw, 88px); line-height: .98; letter-spacing: -.065em; font-weight: 720; }
h1 em { color: var(--muted); font-style: normal; }
.lead { max-width: 670px; margin: 0; color: #b6bec8; font-size: 19px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; margin: 32px 0 66px; }
.button { padding: 11px 17px; border-radius: 9px; text-decoration: none; font-weight: 650; font-size: 13px; }
.button.primary { background: var(--lime); color: #10140a; }
.button.secondary { border: 1px solid var(--line); background: var(--panel); }
.service-strip { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.service-strip article { display: flex; align-items: center; gap: 13px; padding: 18px; background: rgba(17,20,25,.7); }
.service-strip article + article { border-left: 1px solid var(--line); }
.service-icon { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; font-weight: 800; color: #0b0d10; }
.service-icon.messenger { background: var(--cyan); }.service-icon.gateway { background: var(--violet); }
.service-strip b, .service-strip code { display: block; }
.service-strip code { color: var(--muted); font-size: 11px; }
.service-strip i { margin-left: auto; color: var(--muted); font: normal 10px/1.2 monospace; }
.doc-section { padding: 100px 0; border-top: 1px solid var(--line); }
h2 { margin: 14px 0 20px; font-size: clamp(32px, 4vw, 49px); line-height: 1.1; letter-spacing: -.045em; }
h3 { margin: 28px 0 10px; font-size: 17px; }
p { color: #b2bac5; max-width: 760px; }
pre { position: relative; overflow-x: auto; margin: 22px 0; padding: 22px; border: 1px solid var(--line); border-radius: 12px;
  background: #0d1014; color: #dce4ec; font-size: 12px; line-height: 1.75; }
.code-card { border: 1px solid var(--line); border-radius: 13px; overflow: hidden; margin-top: 28px; background: #0d1014; }
.code-card pre { border: 0; border-radius: 0; margin: 0; }
.code-head { display: flex; justify-content: space-between; align-items: center; padding: 9px 13px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.copy { border: 0; color: var(--lime); background: none; cursor: pointer; font: inherit; }
.callout { margin-top: 24px; padding: 18px 20px; border-left: 3px solid var(--lime); background: rgba(185,245,65,.055); color: #abb4bf; }
.callout strong { color: var(--text); }
.auth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 32px; }
.auth-grid article { min-height: 190px; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.auth-grid article > span { color: var(--lime); font: 11px monospace; }.auth-grid h3 { margin-top: 32px; }.auth-grid p { font-size: 13px; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 34px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.facts div { padding: 18px; }.facts div + div { border-left: 1px solid var(--line); }.facts b,.facts span { display:block; }.facts span { color:var(--muted);font-size:11px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }.two-col > div { padding: 0 20px 12px; border-left: 1px solid var(--line); }
.flow { display: flex; align-items: center; gap: 12px; margin-top: 30px; overflow-x: auto; padding-bottom: 8px; }
.flow span { flex: 0 0 auto; padding: 12px 15px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); font: 12px monospace; }.flow b { color: var(--lime); }
.asset-table { max-width: 670px; margin-top: 28px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.asset-table > div { display: grid; grid-template-columns: 1fr 2fr 1fr; padding: 10px 15px; border-top: 1px solid var(--line); }
.asset-table > div:first-child { border: 0; }.asset-table .thead { color: var(--muted); background: var(--panel); font-size: 11px; text-transform: uppercase; }
.asset-table code { color: var(--lime); }
.endpoint-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin: 28px 0 14px; }
.filters { display: flex; gap: 7px; flex-wrap: wrap; }
.filter { border: 1px solid var(--line); border-radius: 99px; background: var(--panel); color: #b7bec7; padding: 6px 11px; cursor: pointer; font: 11px inherit; }
.filter.active { background: var(--text); color: var(--bg); border-color: var(--text); }
#endpoint-count { color: var(--muted); font: 11px monospace; white-space: nowrap; }
.endpoint-list { display: grid; gap: 7px; }
.endpoint { border: 1px solid var(--line); border-radius: 11px; background: rgba(17,20,25,.74); overflow: hidden; scroll-margin-top: 80px; }
.endpoint-summary { width: 100%; min-height: 57px; display: grid; grid-template-columns: 54px minmax(175px, 1.25fr) 1fr auto 20px; align-items: center; gap: 12px;
  border: 0; padding: 9px 14px; background: none; color: var(--text); text-align: left; cursor: pointer; }
.method { width: 48px; padding: 3px 0; border-radius: 5px; text-align:center; font: 800 10px monospace; }
.method.GET { color: var(--cyan); background: rgba(97,221,255,.09); }.method.POST { color: var(--lime); background: rgba(185,245,65,.09); }.method.DELETE { color: #ff718a; background: rgba(255,113,138,.09); }
.path { overflow-wrap: anywhere; color: #dce2e9; font-size: 12px; }
.endpoint-title { color: var(--muted); font-size: 12px; }
.auth-badge { border: 1px solid #343b45; border-radius: 99px; padding: 2px 8px; color: var(--muted); font: 9px monospace; text-transform: uppercase; }
.chevron { color: var(--muted); transition: transform .2s; }.endpoint.open .chevron { transform: rotate(180deg); }
.endpoint-body { display: none; padding: 0 18px 18px 80px; border-top: 1px solid var(--line); }.endpoint.open .endpoint-body { display: block; }
.endpoint-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }.endpoint-meta code { padding: 4px 8px; background:#0d1014; border-radius:5px;color:#aeb7c2; }
.endpoint-example pre { margin-bottom: 0; }.empty { padding: 50px; text-align:center; color:var(--muted); }
.error-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; overflow:hidden; margin: 25px 0; border:1px solid var(--line); border-radius:12px; background:var(--line); }
.error-grid div { display:flex; gap:15px; padding:12px 15px; background:var(--panel); }.error-grid code{color:var(--orange)}.error-grid span{color:var(--muted)}
footer { display: flex; justify-content: space-between; gap: 20px; padding: 40px 0 60px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
@media (max-width: 900px) {
  :root { --sidebar: 0px; }
  .sidebar { width: 260px; transform: translateX(-100%); transition: transform .25s; box-shadow: 20px 0 50px rgba(0,0,0,.4); }
  .sidebar.open { transform: translateX(0); }
  .menu { display:block; }.topbar{padding:0 20px}.hero,.doc-section,footer{width:min(100% - 38px,760px)}
  .auth-grid{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}.facts div:nth-child(3){border-left:0;border-top:1px solid var(--line)}.facts div:nth-child(4){border-top:1px solid var(--line)}
}
@media (max-width: 620px) {
  .hero{min-height:auto;padding-top:75px}.service-strip{grid-template-columns:1fr}.service-strip article+article{border-left:0;border-top:1px solid var(--line)}
  .two-col{grid-template-columns:1fr}.endpoint-summary{grid-template-columns:48px 1fr 18px}.endpoint-title,.auth-badge{display:none}.endpoint-body{padding-left:18px}
  .facts{grid-template-columns:1fr}.facts div+div{border-left:0;border-top:1px solid var(--line)}.error-grid{grid-template-columns:1fr}.spec-link,kbd{display:none}
  footer{flex-direction:column}h1{font-size:48px}.lead{font-size:16px}
}
@media (prefers-reduced-motion: reduce) { html{scroll-behavior:auto}*{transition:none!important} }