/* NUMUS API — общие стили клиентской документации. */

:root {
  --vn-accent: #355cff;
  --vn-accent-600: #2446d8;
  --vn-accent-700: #1c37b0;
  --vn-accent-050: #eef3ff;
  --vn-accent-100: #dde6ff;

  --vn-ink: #0f1424;
  --vn-body: #303647;
  --vn-muted: #5f6779;
  --vn-line: #e4e7f0;
  --vn-line-strong: #d3d8e6;
  --vn-bg: #ffffff;
  --vn-bg-soft: #f6f8fc;
  --vn-bg-softer: #fbfcfe;

  --vn-code-bg: #0e1220;
  --vn-code-fg: #e6edf3;

  --vn-ok-bg: #eaf7ee;
  --vn-ok-line: #b6e0c2;
  --vn-ok-fg: #067647;
  --vn-warn-bg: #fff7e6;
  --vn-warn-line: #ffe0a3;
  --vn-warn-fg: #9a6700;
  --vn-err-bg: #fdecec;
  --vn-err-line: #f5c2c2;
  --vn-err-fg: #b42318;

  --vn-radius: 14px;
  --vn-radius-sm: 10px;
  --vn-nav-h: 64px;

  --vn-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --vn-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --vn-shadow-sm: 0 1px 2px rgba(15, 20, 36, 0.06);
  --vn-shadow-accent: 0 10px 26px rgba(53, 92, 255, 0.22);

  --vn-ease: cubic-bezier(0.23, 1, 0.32, 1);
  --vn-ease-inout: cubic-bezier(0.77, 0, 0.175, 1);
}

* { box-sizing: border-box; }

::selection { background: var(--vn-accent-100); color: var(--vn-ink); }

:focus-visible {
  outline: 2px solid var(--vn-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Навигация */
.vn-nav {
  height: var(--vn-nav-h);
  min-height: var(--vn-nav-h);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 22px;
  background: var(--vn-bg);
  border-bottom: 1px solid var(--vn-line);
  position: sticky;
  top: 0;
  z-index: 50;
  font-family: var(--vn-font);
}
.vn-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: max-content;
  color: var(--vn-ink);
  text-decoration: none;
  font-size: 15px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.01em;
  padding: 7px 10px 7px 8px;
  border-radius: var(--vn-radius-sm);
  transition: background 0.16s var(--vn-ease);
}
.vn-brand:hover { background: var(--vn-bg-soft); }
.vn-brand:active { transform: scale(0.98); }
.vn-brand img {
  width: 30px;
  height: 22px;
  object-fit: contain;
  display: block;
}
.vn-brand small {
  color: var(--vn-muted);
  font-size: 12px;
  font-weight: 650;
  margin-left: -3px;
}
.vn-links {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.vn-links::-webkit-scrollbar { display: none; }
.vn-links a {
  flex: 0 0 auto;
  position: relative;
  color: var(--vn-body);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  padding: 10px 14px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border-radius: 9px;
  white-space: nowrap;
  transition: background 0.16s var(--vn-ease), color 0.16s var(--vn-ease);
}
.vn-links a:hover { background: var(--vn-bg-soft); color: var(--vn-ink); }
.vn-links a.active { color: var(--vn-accent); background: var(--vn-accent-050); font-weight: 700; }
.vn-nav .vn-spacer { flex: 1 1 auto; }

@media (max-width: 1100px) {
  .vn-brand small { display: none; }
}

.vn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  flex: 0 0 auto;
  min-height: 40px;
  background: var(--vn-accent);
  color: #fff !important;
  font-weight: 650;
  font-size: 14px;
  line-height: 1;
  padding: 0 18px;
  border-radius: 10px;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--vn-shadow-accent);
  transition: background 0.16s var(--vn-ease), box-shadow 0.16s var(--vn-ease), transform 0.1s var(--vn-ease);
}
.vn-cta:hover { background: var(--vn-accent-600); box-shadow: 0 12px 30px rgba(53, 92, 255, 0.28); }
.vn-cta:active { transform: scale(0.97); }
.vn-cta.ghost {
  background: transparent;
  color: var(--vn-accent) !important;
  border: 1px solid var(--vn-line-strong);
  box-shadow: none;
}
.vn-cta.ghost:hover { background: var(--vn-accent-050); border-color: var(--vn-accent); }

@media (max-width: 640px) {
  .vn-nav { padding: 0 12px; gap: 5px; }
  .vn-brand { display: none; }
  .vn-links {
    width: 100%;
    padding-bottom: 3px;
    scrollbar-width: thin;
    scrollbar-color: var(--vn-line-strong) transparent;
    scroll-snap-type: x proximity;
  }
  .vn-links::-webkit-scrollbar { display: block; height: 3px; }
  .vn-links::-webkit-scrollbar-thumb { background: var(--vn-line-strong); border-radius: 3px; }
  .vn-links a {
    min-width: 44px;
    min-height: 44px;
    padding: 9px 10px;
    font-size: 13px;
    justify-content: center;
    scroll-snap-align: start;
  }
  .vn-cta { min-height: 44px; padding: 0 13px; font-size: 13px; }
  .vn-nav .vn-cta.ghost { display: none; }
  .vn-page { overflow-x: hidden; }
  .vn-container { padding: 36px 20px 72px; }
  .vn-page h1 { font-size: 30px; }
  .vn-card { padding: 18px; }
  .vn-section-nav a { min-height: 44px; }
  .vn-page table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .vn-page td { white-space: normal; min-width: 96px; }
  .vn-page p code, .vn-page li code, .vn-page td code {
    overflow-wrap: anywhere;
    word-break: break-word;
  }
  .vn-footer {
    gap: 0 14px;
  }
  .vn-footer a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }
}

/* ---------- Каркас вспомогательной страницы ---------- */
.vn-page {
  font-family: var(--vn-font);
  color: var(--vn-body);
  background: var(--vn-bg-soft);
  margin: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.vn-container { max-width: 940px; margin: 0 auto; padding: 52px 20px 96px; }
.vn-container.vn-wide { max-width: 1080px; }
.vn-page h1 {
  font-size: 36px;
  line-height: 1.14;
  margin: 0 0 10px;
  color: var(--vn-ink);
  letter-spacing: -0.022em;
  font-weight: 800;
  text-wrap: balance;
}
.vn-page h2 {
  font-size: 22px;
  margin: 46px 0 12px;
  color: var(--vn-ink);
  letter-spacing: -0.015em;
  font-weight: 700;
  text-wrap: balance;
}
.vn-page h3 { font-size: 16px; margin: 26px 0 8px; color: var(--vn-ink); font-weight: 650; }
.vn-page [id] { scroll-margin-top: 84px; }
.vn-page p { line-height: 1.68; margin: 10px 0; max-width: 72ch; text-wrap: pretty; }
.vn-page .lead { font-size: 18px; line-height: 1.6; color: var(--vn-muted); margin: 0 0 8px; max-width: 68ch; }
.vn-page a { color: var(--vn-accent); text-decoration: none; font-weight: 550; }
.vn-page a:hover { text-decoration: underline; text-underline-offset: 2px; }
.vn-page ul { line-height: 1.72; max-width: 72ch; }
.vn-page li { margin: 4px 0; }
.vn-page code {
  font-family: var(--vn-mono); font-size: 0.86em;
  background: var(--vn-accent-050); color: var(--vn-accent-700);
  padding: 2px 6px; border-radius: 6px;
  border: 1px solid var(--vn-accent-100);
}
.vn-page pre code { background: none; color: inherit; padding: 0; border: 0; }

.vn-card {
  background: var(--vn-bg);
  border: 1px solid var(--vn-line);
  border-radius: var(--vn-radius);
  padding: 24px;
}

.vn-note, .vn-ok, .vn-warn {
  border-radius: var(--vn-radius-sm);
  padding: 13px 16px;
  margin: 18px 0;
  font-size: 14.5px;
  line-height: 1.6;
}
.vn-ok { background: var(--vn-ok-bg); border: 1px solid var(--vn-ok-line); color: var(--vn-ok-fg); }
.vn-warn { background: var(--vn-warn-bg); border: 1px solid var(--vn-warn-line); color: var(--vn-warn-fg); }
.vn-note { background: var(--vn-accent-050); border: 1px solid var(--vn-accent-100); color: var(--vn-accent-700); }
.vn-ok strong, .vn-warn strong, .vn-note strong { color: inherit; }

.vn-btn {
  appearance: none; border: 0; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  background: var(--vn-accent); color: #fff; font-weight: 600; font-size: 14px;
  min-height: 44px; padding: 10px 17px; border-radius: var(--vn-radius-sm); font-family: var(--vn-font);
  box-shadow: var(--vn-shadow-sm);
  transition: background 0.16s var(--vn-ease), transform 0.1s var(--vn-ease), box-shadow 0.16s var(--vn-ease);
}
.vn-btn:hover { background: var(--vn-accent-600); }
.vn-btn:active { transform: scale(0.97); }
.vn-btn:disabled { cursor: wait; opacity: 0.58; transform: none; }
.vn-btn.secondary { background: var(--vn-bg-soft); color: var(--vn-ink); border: 1px solid var(--vn-line); box-shadow: none; }
.vn-btn.secondary:hover { background: var(--vn-bg-softer); border-color: var(--vn-line-strong); box-shadow: none; }
.vn-input {
  font-family: var(--vn-mono); font-size: 13px; padding: 10px 12px;
  min-height: 44px;
  border: 1px solid var(--vn-line-strong); border-radius: var(--vn-radius-sm);
  background: var(--vn-bg-softer); color: var(--vn-ink);
  transition: border-color 0.16s var(--vn-ease), box-shadow 0.16s var(--vn-ease), background 0.16s var(--vn-ease);
}
.vn-input:focus { outline: none; border-color: var(--vn-accent); background: var(--vn-bg); box-shadow: 0 0 0 3px var(--vn-accent-050); }
.vn-status { color: var(--vn-muted); font-size: 14px; min-height: 24px; }
.vn-key-grid { display: grid; gap: 24px; }
.vn-key-grid > div {
  background: var(--vn-bg);
  border: 1px solid var(--vn-line);
  border-radius: var(--vn-radius);
  padding: 22px;
}
.vn-key-grid h2 { margin-top: 0; }
.vn-key-output {
  display: block;
  width: 100%;
  resize: vertical;
  border: 1px solid var(--vn-line-strong);
  border-radius: var(--vn-radius-sm);
  background: var(--vn-code-bg);
  color: var(--vn-code-fg);
  padding: 14px;
  font: 12.5px/1.55 var(--vn-mono);
  overflow-wrap: normal;
  white-space: pre;
}
.vn-key-output:focus { outline: 2px solid var(--vn-accent); outline-offset: 2px; }

.vn-tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 16px; }
.vn-tab {
  padding: 8px 15px; border: 1px solid var(--vn-line); border-bottom: 0;
  background: var(--vn-bg-soft); color: var(--vn-body); border-radius: 10px 10px 0 0;
  cursor: pointer; font-size: 13.5px; font-weight: 600; font-family: var(--vn-font);
  transition: background 0.16s var(--vn-ease), color 0.16s var(--vn-ease);
}
.vn-tab:hover { background: #eaeef7; color: var(--vn-ink); }
.vn-tab.active { background: var(--vn-code-bg); color: #fff; border-color: var(--vn-code-bg); }
.vn-pane {
  display: none; background: var(--vn-code-bg); color: var(--vn-code-fg);
  padding: 20px; border-radius: 0 var(--vn-radius-sm) var(--vn-radius-sm) var(--vn-radius-sm); overflow: auto; max-height: 640px;
  font-family: var(--vn-mono); font-size: 12.8px; line-height: 1.6;
  -webkit-overflow-scrolling: touch;
}
.vn-pane::-webkit-scrollbar { height: 10px; width: 10px; }
.vn-pane::-webkit-scrollbar-thumb { background: #2a3350; border-radius: 8px; border: 2px solid var(--vn-code-bg); }
.vn-pane.active { display: block; }
.vn-pane.code-block { display: block; border-radius: var(--vn-radius-sm); margin: 12px 0; }

.vn-page table {
  border-collapse: separate; border-spacing: 0; margin: 16px 0; width: 100%; font-size: 14px;
  border: 1px solid var(--vn-line); border-radius: var(--vn-radius-sm); overflow: hidden;
  background: var(--vn-bg);
}
.vn-page th, .vn-page td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--vn-line); }
.vn-page tr:last-child td { border-bottom: 0; }
.vn-page th { background: var(--vn-bg-soft); font-weight: 650; color: var(--vn-ink); }

.vn-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 22px 0; }
.vn-tile {
  display: block; background: var(--vn-bg); border: 1px solid var(--vn-line);
  border-radius: var(--vn-radius); padding: 20px 22px; text-decoration: none; color: var(--vn-ink);
  transition: border-color 0.18s var(--vn-ease), background 0.18s var(--vn-ease), transform 0.18s var(--vn-ease);
}
@media (hover: hover) {
  .vn-tile:hover { border-color: var(--vn-accent); background: var(--vn-accent-050); transform: translateY(-2px); }
}
.vn-tile:active { transform: translateY(0) scale(0.99); }
.vn-tile .t { font-weight: 700; font-size: 15px; margin-bottom: 5px; }
.vn-tile .d { color: var(--vn-muted); font-size: 13.5px; line-height: 1.55; }

.vn-section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 8px;
}
.vn-section-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid var(--vn-line);
  border-radius: 999px;
  background: var(--vn-bg);
  color: var(--vn-body);
  font-size: 13.5px;
  font-weight: 600;
}
.vn-section-nav a:hover {
  border-color: var(--vn-accent);
  color: var(--vn-accent);
  text-decoration: none;
}
@media (max-width: 640px) {
  .vn-section-nav a { min-height: 44px; }
}
.vn-flow {
  counter-reset: integration-step;
  list-style: none;
  padding: 0;
  margin: 24px 0 8px;
  max-width: 74ch;
}
.vn-flow li {
  counter-increment: integration-step;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid var(--vn-line);
}
.vn-flow li::before {
  content: counter(integration-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--vn-accent-050);
  color: var(--vn-accent-700);
  font-weight: 700;
  font-size: 13px;
}
.vn-flow li:last-child { border-bottom: 0; }
.vn-flow strong { display: block; color: var(--vn-ink); margin-bottom: 3px; }
.vn-flow span { color: var(--vn-muted); line-height: 1.55; }
.vn-code-label {
  margin: 14px 0 -4px;
  color: var(--vn-muted);
  font-size: 13px;
  font-weight: 600;
}
.vn-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}
.vn-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--vn-line);
  font-size: 14px;
}
.vn-status {
  min-height: 22px;
  color: var(--vn-muted);
  font-size: 13px;
  margin-top: 10px;
}
.vn-status.error { color: var(--vn-err-fg); }
.vn-status.success { color: var(--vn-ok-fg); }
.vn-card-title { margin-top: 0 !important; }

/* Обзор документации */
.docs-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.9fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: end;
  padding: 26px 0 42px;
  border-bottom: 1px solid var(--vn-line);
}
.docs-hero h1 { font-size: clamp(38px, 6vw, 64px); max-width: 12ch; }
.docs-hero .lead { max-width: 62ch; }
.docs-facts { margin: 0; }
.docs-facts div {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--vn-line);
}
.docs-facts div:last-child { border-bottom: 0; }
.docs-facts dt { color: var(--vn-muted); font-size: 13px; }
.docs-facts dd { min-width: 0; margin: 0; color: var(--vn-ink); font-weight: 600; }
.docs-facts code { white-space: nowrap; }
.docs-directory {
  margin: 18px 0 8px;
  border-top: 1px solid var(--vn-line);
}
.docs-directory a {
  display: grid;
  grid-template-columns: minmax(180px, 0.55fr) minmax(0, 1fr);
  gap: 28px;
  align-items: baseline;
  padding: 18px 2px;
  border-bottom: 1px solid var(--vn-line);
  color: var(--vn-ink);
}
.docs-directory a:hover {
  color: var(--vn-accent);
  text-decoration: none;
}
.docs-directory span { font-size: 17px; font-weight: 700; }
.docs-directory small { color: var(--vn-muted); font-size: 14px; line-height: 1.55; }

/* Методы и примеры */
.endpoint-title {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 12px 0 16px;
}
.endpoint-title code {
  font-size: 13px;
  overflow-wrap: anywhere;
}
.http-method {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 6px;
  font-family: var(--vn-mono);
  font-size: 12px;
  font-weight: 750;
  line-height: 1;
}
.http-method.get { color: #075985; background: #e0f2fe; }
.http-method.post { color: #166534; background: #dcfce7; }
.http-method.put { color: #854d0e; background: #fef9c3; }
.http-method.delete { color: #991b1b; background: #fee2e2; }
.endpoint-list { margin: 16px 0; border-top: 1px solid var(--vn-line); }
.endpoint-list p {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 6px 12px;
  align-items: center;
  padding: 14px 0;
  margin: 0;
  border-bottom: 1px solid var(--vn-line);
}
.endpoint-list small {
  grid-column: 2;
  color: var(--vn-muted);
  line-height: 1.5;
}
.docs-checklist {
  list-style: none;
  padding: 0;
}
.docs-checklist li {
  position: relative;
  padding: 9px 0 9px 30px;
  border-bottom: 1px solid var(--vn-line);
}
.docs-checklist li::before {
  content: "✓";
  position: absolute;
  left: 2px;
  color: var(--vn-ok-fg);
  font-weight: 800;
}

@media (max-width: 760px) {
  .docs-hero { grid-template-columns: 1fr; gap: 20px; padding-top: 10px; }
}

@media (max-width: 640px) {
  .docs-hero h1 { font-size: 38px; }
  .docs-directory a { grid-template-columns: 1fr; gap: 4px; }
  .endpoint-list p { grid-template-columns: 60px minmax(0, 1fr); }
  .vn-page .vn-route-table {
    display: table;
    overflow: visible;
    white-space: normal;
  }
  .vn-route-table thead { display: none; }
  .vn-route-table tbody,
  .vn-route-table tr,
  .vn-route-table td {
    display: block;
    width: 100%;
  }
  .vn-route-table tr {
    padding: 11px 13px;
    border-bottom: 1px solid var(--vn-line);
  }
  .vn-route-table tr:last-child { border-bottom: 0; }
  .vn-route-table td {
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 10px;
    min-width: 0;
    padding: 5px 0;
    border: 0;
    overflow-wrap: anywhere;
  }
  .vn-route-table td::before {
    content: attr(data-label);
    color: var(--vn-muted);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: 0.02em;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .vn-brand, .vn-cta, .vn-btn, .vn-tile { transition-property: background, border-color, box-shadow, color; }
  .vn-brand:active, .vn-cta:active, .vn-btn:active, .vn-tile:active,
  .vn-tile:hover { transform: none; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --vn-accent: #7ea0ff;
    --vn-accent-600: #96b2ff;
    --vn-accent-700: #b3c8ff;
    --vn-accent-050: rgba(126, 160, 255, 0.12);
    --vn-accent-100: rgba(126, 160, 255, 0.24);

    --vn-ink: #f1f4fa;
    --vn-body: #c3cad8;
    --vn-muted: #8b93a6;
    --vn-line: rgba(255, 255, 255, 0.10);
    --vn-line-strong: rgba(255, 255, 255, 0.18);
    --vn-bg: #161a24;
    --vn-bg-soft: #0e1119;
    --vn-bg-softer: #1b2030;

    --vn-code-bg: #0b0e18;
    --vn-code-fg: #e6edf3;

    --vn-ok-bg: rgba(23, 201, 100, 0.12);
    --vn-ok-line: rgba(23, 201, 100, 0.32);
    --vn-ok-fg: #4ade80;
    --vn-warn-bg: rgba(234, 179, 8, 0.12);
    --vn-warn-line: rgba(234, 179, 8, 0.3);
    --vn-warn-fg: #fbbf24;
    --vn-err-bg: rgba(239, 68, 68, 0.12);
    --vn-err-line: rgba(239, 68, 68, 0.32);
    --vn-err-fg: #fca5a5;

    --vn-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --vn-shadow-accent: 0 10px 26px rgba(53, 92, 255, 0.35);
  }

  .vn-nav {
    background: var(--vn-bg);
    border-bottom-color: var(--vn-line);
  }
  .vn-links a.active { color: var(--vn-accent); background: var(--vn-accent-050); }

  .vn-cta { color: #0e1119 !important; }
  .vn-cta:hover { background: var(--vn-accent-600); }
  .vn-cta.ghost { color: var(--vn-accent) !important; }
  .vn-btn { color: #0e1119; }

  .vn-tab:hover { background: #232838; }
  .vn-btn.secondary:hover { background: #232838; }
  .vn-modal__x:hover { background: #232838; }
  .vn-pane::-webkit-scrollbar-thumb { background: #2a3350; border-color: var(--vn-code-bg); }
  .vn-page code { color: var(--vn-accent-700); }
  .http-method.get { color: #bae6fd; background: rgba(14, 116, 144, 0.3); }
  .http-method.post { color: #bbf7d0; background: rgba(22, 101, 52, 0.35); }
  .http-method.put { color: #fef08a; background: rgba(133, 77, 14, 0.35); }
  .http-method.delete { color: #fecaca; background: rgba(153, 27, 27, 0.35); }
  ::selection { background: var(--vn-accent-100); color: var(--vn-ink); }
}