/* IPX docs — Mintlify-style three-pane layout in the landing's cream/serif
   aesthetic. Scoped under .docs so it never touches the amber console theme. */

.docs {
  --bg: #faf9f7;
  --fg: #18130d;
  --ink: 24, 19, 13;
  --mut: #6d685f;
  --line: rgba(24, 19, 13, 0.1);
  --line-2: rgba(24, 19, 13, 0.06);
  --accent: #b4661f;
  --code-bg: #1c1813;
  --code-fg: rgba(250, 249, 247, 0.86);
  --sans: "Instrument Sans", system-ui, -apple-system, sans-serif;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --top: 64px;

  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.docs *, .docs *::before, .docs *::after { box-sizing: border-box; }
.docs a { color: inherit; text-decoration: none; }
.docs .serif { font-family: var(--serif); font-weight: 400; }

/* ---------- topbar ---------- */
.docs-top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--top);
  display: flex; align-items: center; gap: 20px;
  padding: 0 24px;
  background: rgba(250, 249, 247, 0.85);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.docs-brand { display: inline-flex; align-items: baseline; gap: 7px; }
.docs-brand .nm { font-family: var(--serif); font-size: 24px; letter-spacing: -0.02em; }
.docs-brand .tag { font-family: var(--mono); font-size: 12px; color: var(--mut); letter-spacing: 0.02em; }
.docs-search {
  flex: 1; max-width: 420px;
  display: flex; align-items: center; gap: 10px;
  height: 38px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: 10px;
  background: rgba(var(--ink), 0.02);
  transition: border-color .2s;
}
.docs-search:focus-within { border-color: rgba(var(--ink), 0.3); }
.docs-search svg { width: 15px; height: 15px; color: var(--mut); flex: none; }
.docs-search input { flex: 1; border: 0; background: none; outline: none; font-family: var(--sans); font-size: 14px; color: var(--fg); }
.docs-search input::placeholder { color: var(--mut); }
.docs-toplinks { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.docs-toplinks a { font-size: 14px; color: rgba(var(--ink), 0.7); transition: color .2s; }
.docs-toplinks a:hover { color: var(--fg); }
.docs-toplinks .docs-cta { padding: 8px 18px; border-radius: 999px; background: var(--fg); color: var(--bg); font-weight: 500; }
.docs-toplinks .docs-cta:hover { background: rgba(var(--ink), 0.88); color: var(--bg); }
.docs-burger { display: none; background: none; border: 0; padding: 6px; margin-left: -6px; cursor: pointer; color: var(--fg); }
.docs-burger svg { width: 22px; height: 22px; }

/* ---------- body grid ---------- */
.docs-body { display: grid; grid-template-columns: 290px minmax(0, 1fr); max-width: 1600px; margin: 0 auto; padding-top: var(--top); }
.docs-overlay { display: none; }

/* ---------- sidebar ---------- */
.docs-sidebar {
  position: sticky; top: var(--top);
  align-self: start;
  height: calc(100dvh - var(--top));
  overflow-y: auto;
  padding: 32px 20px 48px 32px;
  border-right: 1px solid var(--line);
}
.docs-group { margin-bottom: 28px; }
.docs-group-title { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mut); margin-bottom: 12px; }
.docs-group ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.docs-group a {
  display: block; padding: 7px 12px; border-radius: 8px;
  font-size: 14.5px; color: rgba(var(--ink), 0.68);
  transition: background .15s, color .15s;
}
.docs-group a:hover { background: rgba(var(--ink), 0.04); color: var(--fg); }
.docs-group a.active { background: rgba(180, 102, 31, 0.1); color: var(--accent); font-weight: 500; }
.docs-side-empty { font-size: 14px; color: var(--mut); padding: 8px 12px; }

/* ---------- main + content + toc ---------- */
.docs-main { display: grid; grid-template-columns: minmax(0, 1fr) 232px; gap: 56px; padding: 56px clamp(24px, 5vw, 72px) 96px; }
.docs-prose { max-width: 760px; min-width: 0; }
.docs-crumb { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }

/* prose typography */
.docs-prose h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(40px, 5vw, 52px); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 16px; }
.docs-prose .lead { font-size: 19px; line-height: 1.6; color: var(--mut); margin: 0 0 40px; }
.docs-prose h2 { font-family: var(--serif); font-weight: 400; font-size: 30px; line-height: 1.15; letter-spacing: -0.015em; margin: 56px 0 16px; scroll-margin-top: 88px; padding-top: 8px; }
.docs-prose h2:first-of-type { margin-top: 8px; }
.docs-prose h3 { font-size: 19px; font-weight: 600; margin: 36px 0 12px; scroll-margin-top: 88px; }
.docs-prose p { margin: 0 0 18px; font-size: 16px; }
.docs-prose ul, .docs-prose ol { margin: 0 0 18px; padding-left: 22px; }
.docs-prose li { margin: 7px 0; font-size: 16px; }
.docs-prose a:not(.doc-card):not(.prev):not(.next) { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.docs-prose a:not(.doc-card):not(.prev):not(.next):hover { color: var(--fg); }
.docs-prose strong { font-weight: 600; }
.docs-prose hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
.docs-prose :not(pre) > code {
  font-family: var(--mono); font-size: 0.86em;
  background: rgba(var(--ink), 0.05); border: 1px solid var(--line);
  padding: 2px 6px; border-radius: 5px; color: #8a4f18;
}

/* ---------- code block ---------- */
.doc-code { margin: 0 0 24px; border-radius: 12px; overflow: hidden; background: var(--code-bg); border: 1px solid rgba(var(--ink), 0.12); }
.doc-code .head { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid rgba(250, 249, 247, 0.08); }
.doc-code .fname { font-family: var(--mono); font-size: 12px; color: rgba(250, 249, 247, 0.5); }
.doc-code .copy { display: inline-flex; align-items: center; gap: 6px; background: none; border: 0; cursor: pointer; color: rgba(250, 249, 247, 0.5); font-family: var(--mono); font-size: 12px; transition: color .2s; }
.doc-code .copy:hover { color: rgba(250, 249, 247, 0.9); }
.doc-code .copy svg { width: 13px; height: 13px; }
.doc-code .copy .ok { display: none; color: #4ade80; }
.doc-code .copy.copied .df { display: none; }
.doc-code .copy.copied .ok { display: inline; }
.doc-code pre { margin: 0; padding: 16px 18px; overflow-x: auto; font-family: var(--mono); font-size: 13.5px; line-height: 1.7; color: var(--code-fg); }
.doc-code pre .cm { color: rgba(250, 249, 247, 0.4); }
.doc-code pre .tok { color: #e0a45e; }

/* ---------- callouts ---------- */
.doc-note, .doc-tip, .doc-warning, .doc-check {
  position: relative; margin: 0 0 24px; padding: 16px 18px 16px 46px;
  border: 1px solid var(--line); border-radius: 12px; font-size: 15px; line-height: 1.6;
  background: rgba(var(--ink), 0.02);
}
.doc-note p, .doc-tip p, .doc-warning p, .doc-check p { margin: 0; }
.doc-note p + p, .doc-tip p + p, .doc-warning p + p, .doc-check p + p { margin-top: 8px; }
.doc-note::before, .doc-tip::before, .doc-warning::before, .doc-check::before {
  content: ""; position: absolute; left: 16px; top: 17px; width: 18px; height: 18px;
  background: center / contain no-repeat;
}
.doc-note { border-color: rgba(37, 99, 235, 0.25); background: rgba(37, 99, 235, 0.05); }
.doc-note::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='12' y1='16' x2='12' y2='12'/%3E%3Cline x1='12' y1='8' x2='12.01' y2='8'/%3E%3C/svg%3E"); }
.doc-tip { border-color: rgba(22, 163, 74, 0.25); background: rgba(22, 163, 74, 0.05); }
.doc-tip::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 18h6M10 22h4M12 2a7 7 0 0 0-4 12c.5.5 1 1.5 1 3h6c0-1.5.5-2.5 1-3a7 7 0 0 0-4-12z'/%3E%3C/svg%3E"); }
.doc-check { border-color: rgba(22, 163, 74, 0.25); background: rgba(22, 163, 74, 0.05); }
.doc-check::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); }
.doc-warning { border-color: rgba(217, 119, 6, 0.3); background: rgba(217, 119, 6, 0.06); }
.doc-warning::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d97706' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10.29 3.86 1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z'/%3E%3Cline x1='12' y1='9' x2='12' y2='13'/%3E%3Cline x1='12' y1='17' x2='12.01' y2='17'/%3E%3C/svg%3E"); }

/* ---------- cards ---------- */
.doc-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 0 0 28px; }
.doc-card { display: block; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: #fff; transition: border-color .2s, transform .2s; }
.doc-card:hover { border-color: rgba(var(--ink), 0.25); transform: translateY(-2px); }
.doc-card .ic { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 14px; color: var(--accent); }
.doc-card .ic svg { width: 17px; height: 17px; }
.doc-card .t { font-weight: 600; font-size: 15.5px; margin-bottom: 4px; }
.doc-card .d { font-size: 14px; color: var(--mut); line-height: 1.55; }

/* ---------- steps ---------- */
.doc-steps { list-style: none; counter-reset: step; margin: 0 0 24px; padding: 0; }
.doc-steps > li { position: relative; counter-increment: step; padding: 0 0 24px 44px; margin: 0; }
.doc-steps > li::before {
  content: counter(step); position: absolute; left: 0; top: -2px;
  width: 28px; height: 28px; border-radius: 999px;
  background: var(--fg); color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 13px; font-weight: 500;
}
.doc-steps > li::after { content: ""; position: absolute; left: 13px; top: 30px; bottom: 0; width: 1px; background: var(--line); }
.doc-steps > li:last-child { padding-bottom: 0; }
.doc-steps > li:last-child::after { display: none; }
.doc-steps > li .st { font-weight: 600; font-size: 16px; margin-bottom: 6px; }

/* ---------- API method + params ---------- */
.doc-endpoint { display: flex; align-items: center; gap: 12px; margin: 0 0 22px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: rgba(var(--ink), 0.02); flex-wrap: wrap; }
.doc-method { font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: 0.05em; padding: 4px 9px; border-radius: 6px; color: #fff; }
.doc-method.get { background: #16a34a; }
.doc-method.post { background: #2563eb; }
.doc-method.delete { background: #dc2626; }
.doc-method.put, .doc-method.patch { background: #d97706; }
.doc-endpoint .path { font-family: var(--mono); font-size: 14px; color: var(--fg); }
.doc-params { margin: 0 0 24px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.doc-param { padding: 16px 18px; border-bottom: 1px solid var(--line); }
.doc-param:last-child { border-bottom: 0; }
.doc-param .row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.doc-param .nm { font-family: var(--mono); font-size: 13.5px; font-weight: 600; color: var(--fg); }
.doc-param .ty { font-family: var(--mono); font-size: 12.5px; color: var(--mut); }
.doc-param .req { font-family: var(--mono); font-size: 11px; color: #dc2626; text-transform: uppercase; letter-spacing: 0.05em; }
.doc-param .opt { font-family: var(--mono); font-size: 11px; color: var(--mut); text-transform: uppercase; letter-spacing: 0.05em; }
.doc-param .ds { font-size: 14.5px; color: var(--mut); line-height: 1.55; }
.doc-param .ds code { font-size: 0.86em; }

/* ---------- pager + footer ---------- */
.docs-pager { display: flex; gap: 16px; justify-content: space-between; margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--line); }
.docs-pager a { flex: 1; max-width: 280px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; display: flex; flex-direction: column; gap: 4px; transition: border-color .2s; }
.docs-pager a:hover { border-color: rgba(var(--ink), 0.3); }
.docs-pager a.next { text-align: right; margin-left: auto; }
.docs-pager .dir { font-family: var(--mono); font-size: 12px; color: var(--mut); }
.docs-pager .ttl { font-size: 16px; font-weight: 500; color: var(--fg); }
.docs-foot { margin-top: 40px; font-size: 13px; color: var(--mut); }
.docs-foot a { color: var(--mut); text-decoration: underline; text-underline-offset: 3px; }
.docs-foot a:hover { color: var(--fg); }

/* ---------- on-this-page TOC ---------- */
.docs-toc { position: sticky; top: calc(var(--top) + 40px); align-self: start; height: max-content; }
.docs-toc-title { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mut); margin-bottom: 14px; }
.docs-toc nav { display: flex; flex-direction: column; gap: 2px; border-left: 1px solid var(--line); }
.docs-toc a { padding: 5px 0 5px 16px; margin-left: -1px; border-left: 1px solid transparent; font-size: 13.5px; color: var(--mut); transition: color .15s, border-color .15s; }
.docs-toc a.sub { padding-left: 28px; font-size: 13px; }
.docs-toc a:hover { color: var(--fg); }
.docs-toc a.active { color: var(--accent); border-left-color: var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .docs-main { grid-template-columns: minmax(0, 1fr); }
  .docs-toc { display: none; }
}
@media (max-width: 820px) {
  .docs-burger { display: inline-flex; }
  .docs-search { display: none; }
  .docs-body { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: fixed; top: var(--top); left: 0; bottom: 0; width: 300px; z-index: 40;
    background: var(--bg); transform: translateX(-100%); transition: transform .3s;
  }
  .docs.nav-open .docs-sidebar { transform: none; }
  .docs.nav-open .docs-overlay { display: block; position: fixed; inset: var(--top) 0 0; background: rgba(0, 0, 0, 0.3); z-index: 30; }
  .docs-main { padding: 40px 24px 80px; }
  .docs-toplinks a:not(.docs-cta) { display: none; }
}