/* opensus docs: plain reading pages in the tool's colours, readable with no JavaScript. */
:root {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #151514;
  --surface-2: #1f1f1d;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --line: #2c2c2a;
  --accent: #3987e5;
  --mono: ui-monospace, 'Cascadia Mono', Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink-2);
  font: 15.5px/1.7 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

a {
  color: #6aa8f0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 14px;
  height: 54px;
  padding: 0 18px;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header .logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-weight: 700;
  font-size: 17px;
  text-decoration: none;
}

.site-header nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.site-header nav a:not(.button) {
  color: var(--ink-2);
  text-decoration: none;
}

.site-header nav a:not(.button):hover {
  color: var(--ink);
}

.button {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid #383835;
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.button:hover {
  background: var(--surface-2);
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.button.primary:hover {
  background: #4a95ec;
}

.docs {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  max-width: 1180px;
  margin: 0 auto;
}

.docs-nav {
  position: sticky;
  top: 54px;
  align-self: start;
  max-height: calc(100vh - 54px);
  overflow-y: auto;
  padding: 26px 18px 40px;
  border-right: 1px solid var(--line);
  font-size: 14px;
}

.docs-nav .docs-home {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

.docs-nav h3 {
  margin: 20px 0 6px;
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.docs-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.docs-nav li a {
  display: block;
  padding: 3px 8px;
  margin-left: -8px;
  border-radius: 4px;
  color: var(--ink-2);
  text-decoration: none;
  line-height: 1.45;
}

.docs-nav li a:hover {
  background: var(--surface-2);
  color: var(--ink);
}

.docs-nav li a[aria-current='page'] {
  background: var(--surface-2);
  color: var(--ink);
  box-shadow: inset 2px 0 0 var(--accent);
}

.docs-main {
  min-width: 0;
  padding: 34px 40px 70px;
}

article {
  max-width: 760px;
}

h1 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h2 {
  margin: 38px 0 10px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.3;
}

h3 {
  margin: 26px 0 8px;
  color: var(--ink);
  font-size: 17px;
}

strong {
  color: var(--ink);
}

.open {
  margin: 14px 0 22px;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--surface-2);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--ink);
}

pre {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.55;
}

pre code {
  background: none;
  padding: 0;
}

table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 14px;
}

th,
td {
  padding: 6px 14px 6px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--ink);
  font-weight: 600;
  text-align: left;
}

td[align='right'],
th[align='right'] {
  text-align: right;
  font-family: var(--mono);
  font-size: 13px;
}

blockquote {
  margin: 18px 0;
  padding: 2px 0 2px 16px;
  border-left: 3px solid var(--accent);
  color: var(--ink);
}

.math {
  overflow-x: auto;
  overflow-y: hidden;
  margin: 16px 0;
  padding: 4px 0;
}

.katex {
  font-size: 1.08em;
  color: var(--ink);
}

ul.listing li {
  margin: 6px 0;
}

.meta {
  margin-top: 40px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px 16px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.not-found {
  max-width: 560px;
  margin: 12vh auto;
  padding: 0 16px;
  text-align: center;
}

.not-found .button {
  margin: 4px;
}

@media (max-width: 860px) {
  .docs {
    grid-template-columns: 1fr;
  }
  .docs-nav {
    position: static;
    max-height: none;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 16px;
  }
  .docs-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 2px 14px;
  }
  .docs-main {
    padding: 24px 16px 50px;
  }
  .site-header nav {
    gap: 12px;
  }
}