/* FreeProxy Relay API — документация (vanilla CSS, без внешних шрифтов и CDN) */
:root {
  --bg: #0b0e14;
  --bg-soft: #11151d;
  --bg-hover: #1a202b;
  --text: #e6e8ee;
  --text-2: #c3c8d2;
  --muted: #8b93a3;
  --border: #232a36;
  --accent: #6b9bff;
  --accent-soft: #16223b;
  --accent-text: #9dbcff;
  --ok: #34d399;
  --warn: #f0b45a;
  --warn-soft: #2a2112;
  --err: #dc2626;
  --inline-bg: #1a202b;
  --get-bg: rgba(16,185,129,.14);
  --get-text: #34d399;
  --post-bg: rgba(240,180,90,.14);
  --post-text: #f0b45a;
  --code-bg: #070a12;
  --code-head: #0e1322;
  --code-border: #1b2235;
  --code-text: #d7deef;
  --code-muted: #8a96b8;
  --tk-kw: #c792ea;
  --tk-str: #c3e88d;
  --tk-num: #f78c6c;
  --tk-com: #6b7399;
  --tk-key: #82aaff;
  --tk-var: #ffcb6b;
  --tk-fn: #82aaff;
  --card: #11151d;
  --card-border: #232a36;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --header-h: 56px;
  --nav-w: 268px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #ffffff; --bg-soft: #f7f8fa; --bg-hover: #eef1f5; --text: #14171c; --text-2: #3d4451;
  --muted: #6b7280; --border: #e5e7eb; --accent: #2563eb; --accent-soft: #e8efff; --accent-text: #1d4ed8;
  --ok: #059669; --warn: #b45309; --warn-soft: #fff7e6; --inline-bg: #f1f3f6;
  --get-bg: #dcfce7; --get-text: #047857; --post-bg: #fff3dc; --post-text: #b45309;
  --code-bg: #0b1020; --code-head: #121933; --code-border: #1e2745;
  --card: #ffffff; --card-border: #e5e7eb; --shadow: 0 20px 60px rgba(15,23,42,.18);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15.5px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.skip-link { position: fixed; top: -48px; left: 12px; z-index: 100; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 8px; font: 600 14px var(--sans); transition: top .15s; }
.skip-link:focus { top: 12px; text-decoration: none; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }
p { margin: 0 0 14px; color: var(--text-2); }
ul, ol { margin: 0 0 14px; padding-left: 22px; color: var(--text-2); }
li { margin: 4px 0; }
code { font: 0.86em var(--mono); background: var(--inline-bg); border: 1px solid var(--border); border-radius: 5px; padding: 1px 5px; white-space: nowrap; }
h1, h2, h3, h4 { color: var(--text); line-height: 1.25; margin: 0; }
h1 { font-size: 34px; letter-spacing: -0.02em; margin-bottom: 14px; }
h2 { font-size: 24px; letter-spacing: -0.01em; margin-bottom: 14px; }
h3 { font-size: 17px; margin: 28px 0 10px; scroll-margin-top: calc(var(--header-h) + 16px); }
h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 26px 0 4px; }
.anchor { margin-left: 8px; color: var(--muted); opacity: 0; font-weight: 400; transition: opacity .15s; }
h1:hover .anchor, h2:hover .anchor, h3:hover .anchor { opacity: 1; }
.anchor:hover { text-decoration: none; color: var(--accent-text); }

/* Top bar */
.topbar { position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 30; display: flex; align-items: center; gap: 16px; padding: 0 20px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(160%) blur(10px); -webkit-backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 15px; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 28px; height: 28px; border-radius: 7px; background: var(--accent); color: #fff; display: grid; place-items: center; }
.brand-sub { color: var(--muted); font-weight: 500; }
.pill { font: 600 11px var(--mono); color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; }
.pill:hover { text-decoration: none; color: var(--text); }
.search { flex: 0 1 300px; margin-left: 24px; position: relative; }
.search input { width: 100%; height: 34px; padding: 0 44px 0 32px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-soft); color: var(--text); font: 14px var(--sans); }
.search input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.search svg { position: absolute; left: 10px; top: 9px; color: var(--muted); }
.search kbd { position: absolute; right: 8px; top: 7px; }
kbd { background: var(--inline-bg); border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; font: 11px var(--mono); color: var(--muted); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.status { display: inline-flex; align-items: center; gap: 7px; font: 12px var(--mono); color: var(--muted); margin-right: 6px; white-space: nowrap; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.status-dot.on { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }
.status-dot.warn { background: var(--warn); }
.btn { height: 34px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: 500 13px var(--sans); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.btn:hover { background: var(--bg-hover); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 85%, #000); }
.btn-icon { width: 34px; padding: 0; justify-content: center; }
.menu-btn { display: none; }
.theme-btn .moon { display: none; }
:root[data-theme="dark"] .theme-btn .sun { display: none; }
:root[data-theme="dark"] .theme-btn .moon { display: block; }

/* Sidebar */
.sidebar { position: fixed; top: var(--header-h); left: 0; bottom: 0; width: var(--nav-w); z-index: 20; overflow-y: auto; padding: 20px 14px 40px; border-right: 1px solid var(--border); background: var(--bg); }
.nav-group { margin-bottom: 22px; }
.nav-title { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); padding: 0 10px; margin-bottom: 6px; }
.subnav { margin: 2px 0 8px 18px; border-left: 1px solid var(--border); }
.subnav a { font-size: 13px !important; padding: 3px 10px !important; color: var(--muted) !important; }
.subnav a:hover { color: var(--text) !important; }
.sidebar a { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 6px; color: var(--text-2); font-size: 14px; line-height: 1.35; }
.sidebar a:hover { background: var(--bg-hover); text-decoration: none; }
.sidebar a.active { background: var(--accent-soft); color: var(--accent-text); font-weight: 500; }
.nav-method { font: 700 10px var(--mono); color: var(--get-text); min-width: 30px; }
.nav-method.post { color: var(--post-text); }
.sidebar a[hidden] { display: none; }
.nav-empty { display: none; padding: 6px 10px; color: var(--muted); font-size: 14px; }

/* Content */
main { margin-left: var(--nav-w); padding: var(--header-h) 48px 0; }
.block { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; padding: 56px 0; border-bottom: 1px solid var(--border); scroll-margin-top: var(--header-h); }
.block.solo { grid-template-columns: minmax(0, 780px); }
.block-text { min-width: 0; max-width: 680px; }
.block-code { min-width: 0; position: sticky; top: calc(var(--header-h) + 24px); align-self: start; display: flex; flex-direction: column; gap: 16px; }
.section-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-text); margin-bottom: 8px; }
.lead { font-size: 17px; color: var(--text-2); }

.endpoint { display: inline-flex; align-items: center; gap: 10px; max-width: 100%; font: 13.5px var(--mono); background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px; padding: 5px 12px 5px 5px; margin: 2px 0 18px; overflow-x: auto; }
.method { font: 700 11px var(--mono); padding: 3px 7px; border-radius: 5px; background: var(--get-bg); color: var(--get-text); }
.method.post { background: var(--post-bg); color: var(--post-text); }
.endpoint .path { white-space: nowrap; color: var(--text); }
.endpoint .param { color: var(--accent-text); }

.facts { display: grid; grid-template-columns: max-content 1fr; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin: 22px 0; }
.facts dt, .facts dd { margin: 0; padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 14px; }
.facts dt { color: var(--muted); background: var(--bg-soft); }
.facts dd { color: var(--text); }
.facts dt:nth-last-of-type(1), .facts dd:last-of-type { border-bottom: 0; }

.fields { margin: 8px 0 20px; border-top: 1px solid var(--border); }
.field { padding: 13px 0; border-bottom: 1px solid var(--border); }
.field-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.field-name { font: 600 13.5px var(--mono); color: var(--text); }
.field-type { font-size: 12.5px; color: var(--muted); }
.field-req { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--warn); }
.field p { margin: 5px 0 0; font-size: 14.5px; }
.enum { display: inline-flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 18px 0; }
.steps li { counter-increment: step; position: relative; padding: 0 0 18px 44px; margin: 0; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: -2px; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font: 600 13px var(--sans); color: var(--accent-text); background: var(--accent-soft); }
.steps li::after { content: ""; position: absolute; left: 13.5px; top: 30px; bottom: 2px; width: 1px; background: var(--border); }
.steps li:last-child::after { display: none; }
.steps strong { color: var(--text); display: block; margin-bottom: 2px; }

.note { position: relative; border: 1px solid var(--border); border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 12px 16px 12px 44px; border-radius: 8px; margin: 18px 0; font-size: 14.5px; color: var(--text-2); }
.note::before { content: "i"; position: absolute; left: 14px; top: 12px; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font: 700 12px var(--mono); color: var(--accent-text); border: 1.5px solid currentColor; }
.note.warn { border-left-color: var(--warn); background: var(--warn-soft); }
.note.warn::before { content: "!"; color: var(--warn); }
.note.danger { border-left-color: var(--err); background: color-mix(in srgb, var(--err) 12%, var(--bg)); }
.note.danger::before { content: "×"; color: var(--err); }
.note strong { color: var(--text); }
.note p:last-child { margin: 0; }

table { width: 100%; border-collapse: collapse; margin: 14px 0 20px; font-size: 14px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; margin: 14px 0 20px; }
.table-wrap table { margin: 0; }
th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; background: var(--bg-soft); }
th, td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td { color: var(--text-2); }
.http { font: 600 13px var(--mono); }
.http.c4 { color: var(--warn); }
.http.c5 { color: var(--err); }

details { border: 1px solid var(--border); border-radius: 10px; margin: 10px 0; background: var(--bg); }
details[open] { background: var(--bg-soft); }
summary { cursor: pointer; padding: 13px 16px; font-weight: 600; color: var(--text); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 18px; line-height: 1; }
details[open] summary::after { content: "−"; }
details > div { padding: 0 16px 6px; }

footer { padding: 40px 0 60px; color: var(--muted); font-size: 13.5px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Key console */
.console { border: 1px solid var(--border); border-radius: 12px; background: var(--bg-soft); padding: 18px; margin: 18px 0; }
.console-row { display: flex; gap: 10px; flex-wrap: wrap; }
.console label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin: 0 0 6px; }
.input { width: 100%; height: 36px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: 13.5px var(--mono); }
.input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea.input { height: auto; min-height: 90px; padding: 10px 12px; resize: vertical; line-height: 1.5; }
select.input { font-family: var(--sans); }
.console .grow { flex: 1 1 220px; }
.key-out { display: none; margin-top: 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); padding: 14px; }
.key-out.visible { display: block; }
.key-out .kv-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.key-out .kv-val { font: 600 13.5px var(--mono); color: var(--text); word-break: break-all; margin-top: 2px; }
.key-out .kv-val.secret { color: var(--warn); font-weight: 500; }
.kv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.key-out.error .kv-val { color: var(--err); }

/* Code panels */
.code { position: relative; background: var(--code-bg); border: 1px solid var(--code-border); border-radius: 10px; overflow: hidden; }
.code-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; min-height: 42px; padding: 5px 6px 5px 14px; background: var(--code-head); border-bottom: 1px solid var(--code-border); }
.code-title { color: var(--code-muted); font: 600 12px var(--sans); margin-right: auto; white-space: nowrap; }
.code-title .method { margin-right: 6px; font-size: 10px; padding: 2px 5px; background: rgba(16,185,129,.16); color: #34d399; }
.code-title .method.post { background: rgba(240,180,90,.16); color: #f0b45a; }
.tabs { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { background: none; border: 0; color: var(--code-muted); font: 500 12px var(--sans); padding: 6px 9px; border-radius: 6px; cursor: pointer; white-space: nowrap; }
.tab:hover { color: #e6ebf7; }
.tab[aria-selected="true"] { color: #fff; background: rgba(255,255,255,.09); }
.copy { background: none; border: 1px solid transparent; color: var(--code-muted); cursor: pointer; width: 30px; height: 28px; border-radius: 6px; display: grid; place-items: center; flex: none; }
.copy:hover { color: #fff; border-color: var(--code-border); }
.copy.done { color: #34d399; }
.code pre { margin: 0; padding: 16px 18px; overflow: auto; max-height: 520px; font: 13px/1.65 var(--mono); color: var(--code-text); tab-size: 4; }
.code pre code { font: inherit; color: inherit; background: none; border: 0; padding: 0; white-space: pre; }
.code.tall pre { max-height: 760px; }
.code pre[hidden] { display: none; }
.code.is-overflowing::after { content: ""; position: absolute; top: 42px; right: 0; bottom: 0; width: 48px; pointer-events: none; border-radius: 0 10px 10px 0; background: linear-gradient(to right, transparent, var(--code-bg)); }
.code.collapsed pre { max-height: 220px; overflow: hidden; }
.code.collapsed::before { content: ""; position: absolute; left: 0; right: 0; bottom: 38px; height: 72px; z-index: 2; pointer-events: none; background: linear-gradient(to bottom, transparent, var(--code-bg)); }
.code-expand { position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%); z-index: 3; background: var(--code-head); color: var(--code-text); border: 1px solid var(--code-border); border-radius: 6px; padding: 5px 14px; font: 500 12px var(--sans); cursor: pointer; }
.code-expand:hover { border-color: var(--accent); }
.tk-kw { color: var(--tk-kw); }
.tk-str { color: var(--tk-str); }
.tk-num { color: var(--tk-num); }
.tk-com { color: var(--tk-com); font-style: italic; }
.tk-key { color: var(--tk-key); }
.tk-var { color: var(--tk-var); }
.tk-fn { color: var(--tk-fn); }

/* Flow diagram */
.flow { width: 100%; max-width: 640px; margin: 12px 0; }

@media (max-width: 1200px) {
  .block { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .block-text { max-width: 760px; }
  .block-code { position: static; max-width: 760px; }
}
@media (max-width: 880px) {
  .menu-btn { display: inline-flex; }
  .sidebar { transform: translateX(-100%); transition: transform .2s ease; box-shadow: none; }
  body.nav-open .sidebar { transform: none; box-shadow: 0 10px 40px rgba(0,0,0,.25); }
  main { margin-left: 0; padding-left: 16px; padding-right: 16px; }
  .topbar { padding: 0 12px; gap: 10px; }
  .search, .status { display: none; }
  .sidebar .search-mobile { display: block; }
  .btn-label { display: none; }
  .block { padding: 40px 0; }
  h1 { font-size: 28px; }
}
.search-mobile { display: none; margin: 0 4px 18px; position: relative; }
.search-mobile input { width: 100%; height: 36px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-soft); color: var(--text); font: 14px var(--sans); }
@media (max-width: 480px) { .brand-sub, .pill { display: none; } }

/* Search modal */
.search-modal { position: fixed; inset: 0; z-index: 50; display: none; background: rgba(0,0,0,.5); backdrop-filter: blur(2px); }
.search-modal.open { display: flex; align-items: flex-start; justify-content: center; padding-top: 12vh; }
.search-box { width: min(560px, calc(100vw - 32px)); max-height: 60vh; display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
.search-box input { border: 0; border-bottom: 1px solid var(--border); background: var(--bg-soft); padding: 14px 16px; font: 15px var(--sans); color: var(--text); outline: none; }
.search-results { overflow-y: auto; }
.search-hit { display: block; padding: 10px 16px; border-bottom: 1px solid var(--border); color: var(--text-2); font-size: 14px; }
.search-hit:hover, .search-hit.active { background: var(--bg-hover); text-decoration: none; }
.search-hit.active { box-shadow: inset 3px 0 0 var(--accent); }
.search-hit .hit-title { color: var(--text); font-weight: 600; display: block; margin-bottom: 2px; }
.search-hit .hit-snippet { font-size: 13px; color: var(--muted); }
.search-hit mark { background: var(--accent-soft); color: var(--accent-text); border-radius: 2px; padding: 0 1px; }
.search-hint { padding: 8px 16px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--border); }

/* Playground page */
.pg-shell { max-width: 1280px; margin: 0 auto; padding: calc(var(--header-h) + 28px) 24px 60px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; }
.pg-shell h1 { font-size: 28px; }
.pg-card { border: 1px solid var(--border); border-radius: 12px; background: var(--bg-soft); padding: 18px; }
.pg-card + .pg-card { margin-top: 16px; }
.pg-field { margin-bottom: 14px; }
.pg-field label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.pg-hint { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.pg-status { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font: 12.5px var(--mono); color: var(--muted); margin-bottom: 10px; }
.pg-badge { padding: 3px 8px; border-radius: 5px; font-weight: 700; }
.pg-badge.ok { background: var(--get-bg); color: var(--get-text); }
.pg-badge.err { background: color-mix(in srgb, var(--err) 18%, transparent); color: #f87171; }
.pg-row { display: flex; gap: 10px; }
.pg-row > * { flex: 1; }
.pg-row > .pg-narrow { flex: 0 0 120px; }
@media (max-width: 980px) { .pg-shell { grid-template-columns: minmax(0, 1fr); } }