/* InstanceSpace reference documentation.
   An original stylesheet following the layout conventions of MATLAB
   toolbox reference pages; no MathWorks CSS, fonts or images are used.
   Colours are tokens so light and dark themes share one set of rules. */

:root {
  --bg: #ffffff;
  --bg-soft: #f5f7f9;
  --bg-code: #f6f8fa;
  --text: #1f2328;
  --muted: #59636e;
  --border: #d8dee4;
  --accent: #0a5fa8;
  --accent-soft: #e7f1fa;
  --bar: #0e2b45;
  --bar-text: #ffffff;
  --kw: #0000c8;
  --str: #a0147d;
  --com: #1e7a1e;
  --num: #1f2328;
  --warn: #fff8e1;
  --shadow: 0 2px 8px rgba(0, 0, 0, .12);
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1419; --bg-soft: #161c23; --bg-code: #1b222b; --text: #e6e9ec;
    --muted: #9aa5b1; --border: #2d3642; --accent: #6cb4f5; --accent-soft: #15283a;
    --bar: #0a1a2a; --bar-text: #e6e9ec; --kw: #8ab4ff; --str: #f28bd0;
    --com: #7ccf7c; --num: #e6e9ec; --warn: #2b2615; --shadow: 0 2px 8px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"] {
  --bg: #0f1419; --bg-soft: #161c23; --bg-code: #1b222b; --text: #e6e9ec;
  --muted: #9aa5b1; --border: #2d3642; --accent: #6cb4f5; --accent-soft: #15283a;
  --bar: #0a1a2a; --bar-text: #e6e9ec; --kw: #8ab4ff; --str: #f28bd0;
  --com: #7ccf7c; --num: #e6e9ec; --warn: #2b2615; --shadow: 0 2px 8px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }
html { scroll-padding-top: 64px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.6 var(--sans);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .92em; }
p code, li code, td code { background: var(--bg-code); padding: 1px 4px; border-radius: 3px; }
a.code-link code { color: var(--accent); }

/* ---- Top bar ---------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 20; height: 52px;
  display: flex; align-items: center; gap: 12px; padding: 0 16px;
  background: var(--bar); color: var(--bar-text);
}
.topbar .brand { color: var(--bar-text); font-weight: 600; font-size: 16px; white-space: nowrap; }
.topbar .version { font-size: 12px; opacity: .75; }
.topbar .menu {
  display: none; background: none; border: 0; color: var(--bar-text);
  font-size: 22px; cursor: pointer; padding: 4px;
}
.search { position: relative; margin-left: auto; width: min(360px, 45vw); }
.search input {
  width: 100%; padding: 6px 10px; border-radius: 4px; border: 1px solid transparent;
  background: rgba(255,255,255,.95); color: #1f2328; font: inherit; font-size: 14px;
}
#search-results {
  position: absolute; right: 0; top: 38px; width: min(480px, 92vw); max-height: 70vh;
  overflow-y: auto; margin: 0; padding: 4px 0; list-style: none;
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; box-shadow: var(--shadow);
}
#search-results li a { display: block; padding: 8px 12px; color: var(--text); }
#search-results li a:hover, #search-results li a.active { background: var(--accent-soft); text-decoration: none; }
#search-results .r-title { font-weight: 600; color: var(--accent); }
#search-results .r-sub { display: block; font-size: 13px; color: var(--muted); }
#search-results .r-none { padding: 8px 12px; color: var(--muted); }

/* ---- Three-column layout ---------------------------------------------- */
.layout { display: flex; align-items: flex-start; max-width: 1440px; margin: 0 auto; }
.toc {
  flex: 0 0 260px; position: sticky; top: 52px; height: calc(100vh - 52px);
  overflow-y: auto; padding: 16px 12px 48px 16px; border-right: 1px solid var(--border);
  font-size: 14px; background: var(--bg);
}
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc ul ul { padding-left: 12px; }
.toc .toc-home { display: block; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.toc summary { cursor: pointer; padding: 4px 0; font-weight: 600; color: var(--text); }
.toc li a { display: block; padding: 3px 8px; border-left: 2px solid transparent; color: var(--text); }
.toc li a:hover { background: var(--bg-soft); text-decoration: none; }
.toc a.current { border-left-color: var(--accent); color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.toc .toc-flat a { padding-left: 0; font-weight: 600; margin-top: 4px; }

.content { flex: 1 1 auto; min-width: 0; padding: 16px 40px 48px; }
.onpage {
  flex: 0 0 210px; position: sticky; top: 52px; padding: 24px 16px;
  font-size: 13px; max-height: calc(100vh - 52px); overflow-y: auto;
}
.onpage h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; }
.onpage ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
.onpage a { display: block; padding: 3px 10px; color: var(--muted); }
.onpage a.active { color: var(--accent); border-left: 2px solid var(--accent); margin-left: -1px; }

/* ---- Page head ---------------------------------------------------------- */
.breadcrumbs { font-size: 13px; color: var(--muted); margin: 4px 0 12px; }
.breadcrumbs .sep { margin: 0 4px; }
.page-head { border-bottom: 1px solid var(--border); padding-bottom: 12px; margin-bottom: 8px; }
.page-head h1 { font-size: 32px; font-weight: 500; margin: 0 0 4px; line-height: 1.25; }
.page-head.function h1 { font-family: var(--mono); font-size: 30px; }
.purpose { font-size: 17px; color: var(--muted); margin: 0; }
.notfound { background: var(--warn); padding: 8px 12px; border-radius: 4px; }

h2 { font-size: 22px; font-weight: 500; margin: 32px 0 12px; padding-bottom: 4px; border-bottom: 1px solid var(--border); }
h3 { font-size: 17px; font-weight: 600; margin: 24px 0 8px; }
.refsect:first-of-type h2 { margin-top: 20px; }

/* ---- Syntax --------------------------------------------------------------- */
.syntax-block { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 4px; padding: 10px 16px; overflow-x: auto; }
.syntax-line { white-space: nowrap; }
.syntax-line { padding: 3px 0; }
.syntax-line code { font-size: 15px; background: none; padding: 0; }
.syntax-line a code { color: var(--accent); }
p.syntax-desc { margin-top: 18px; }
p.syntax-desc > code:first-child { font-weight: 600; background: none; padding: 0; }

/* ---- Code blocks ------------------------------------------------------------ */
.code { position: relative; margin: 12px 0; }
.code pre {
  margin: 0; padding: 12px 16px; overflow-x: auto; background: var(--bg-code);
  border: 1px solid var(--border); border-radius: 4px; font-size: 13.5px; line-height: 1.5;
}
.code pre code { font-size: inherit; }
.code .kw { color: var(--kw); }
.code .str { color: var(--str); }
.code .com { color: var(--com); }
.code .num { color: var(--num); }
.code .copy {
  position: absolute; top: 6px; right: 6px; font-size: 12px; padding: 2px 8px;
  border: 1px solid var(--border); border-radius: 3px; background: var(--bg);
  color: var(--muted); cursor: pointer; opacity: 0; transition: opacity .15s;
}
.code:hover .copy, .code .copy:focus { opacity: 1; }

/* ---- Examples, arguments, history ------------------------------------------ */
.example-tools { text-align: right; margin: -4px 0 4px; }
.toggle-all { font: inherit; font-size: 13px; background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; }
details.example { border: 1px solid var(--border); border-radius: 4px; margin: 10px 0; }
details.example > summary {
  cursor: pointer; padding: 8px 14px; font-weight: 600; font-size: 16px;
  background: var(--bg-soft); border-radius: 4px; list-style: none;
}
details.example[open] > summary { border-bottom: 1px solid var(--border); border-radius: 4px 4px 0 0; }
.example-body { padding: 4px 16px 8px; }

details.arg { border-top: 1px solid var(--border); }
details.arg:last-of-type { border-bottom: 1px solid var(--border); }
details.arg > summary { cursor: pointer; padding: 10px 4px; list-style: none; }
details.arg > summary code { font-weight: 700; font-size: 15px; color: var(--accent); background: none; padding: 0; }
details.arg .arg-desc { color: var(--text); }
.arg-body { padding: 0 8px 12px 24px; }
.arg-type { color: var(--muted); font-style: italic; margin-top: 0; }
.arg-body details.arg { border-top-style: dashed; }
details.example > summary::before, details.arg > summary::before, .toc summary::before {
  content: "\25B8"; display: inline-block; width: 1.1em; text-align: center;
  color: var(--muted); transition: transform .15s; transform-origin: 50% 55%;
}
details[open] > summary::before { transform: rotate(90deg); }
.toc summary { list-style: none; }
summary::-webkit-details-marker { display: none; }

.history { border-left: 3px solid var(--accent); padding: 2px 16px; margin: 12px 0; background: var(--bg-soft); }
.history h3 { margin: 8px 0 4px; font-size: 15px; }

.see-also p { margin: 4px 0; }
.see-also-sect { margin-top: 32px; }

table.doc-table { border-collapse: collapse; margin: 12px 0; font-size: 14px; width: 100%; display: block; overflow-x: auto; }
table.doc-table th, table.doc-table td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; vertical-align: top; }
table.doc-table th { background: var(--bg-soft); font-weight: 600; }
table.doc-table tr:target { background: var(--accent-soft); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; margin: 16px 0; }
.tile { border: 1px solid var(--border); border-radius: 6px; padding: 12px 14px; background: var(--bg); }
.tile h3 { margin: 0 0 4px; font-size: 16px; }
.tile p { margin: 0; color: var(--muted); font-size: 14px; }
.note { background: var(--accent-soft); border-left: 3px solid var(--accent); padding: 8px 12px; margin: 12px 0; border-radius: 0 4px 4px 0; }
.figure { text-align: center; margin: 16px 0; }
.figure svg { max-width: 100%; height: auto; }
.figure .caption { font-size: 13px; color: var(--muted); }

.page-foot { margin-top: 48px; padding-top: 12px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--muted); }

/* ---- Narrow screens ---------------------------------------------------------- */
@media (max-width: 1100px) { .onpage { display: none; } }
@media (max-width: 820px) {
  .topbar .menu { display: block; }
  .topbar .version { display: none; }
  .topbar .brand { font-size: 14px; overflow: hidden; text-overflow: ellipsis; }
  .toc {
    position: fixed; top: 52px; left: 0; bottom: 0; z-index: 15; width: 280px;
    max-height: none; transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow);
  }
  body.toc-open .toc { transform: none; }
  .content { padding: 12px 16px 40px; }
  .page-head h1 { font-size: 26px; }
}
@media print {
  .topbar, .toc, .onpage, .copy, .example-tools { display: none !important; }
  details > summary::before { display: none; }
}