/* One dark theme: it is the brand, and the inspector and chroma palettes are
   tuned against it. */
:root {
  color-scheme: dark;
  --bg: #16181d;
  --sidebar: #1b1e24;
  --text: #c9ced8;
  --border: #2a2e37;
  --amber: #ffbf00;
  --ink: #0b0b0f;
  --well: #0f1116;
  --muted: #8b93a1;
  --bright: #fff;
  --band: #14161a;
  --btn: #23272f;
  --top: 3.75rem;
  --sans: Inter, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

@font-face {
  font-family: Inter;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/inter.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-weight: 400;
  font-display: swap;
  src: url("fonts/jetbrains-mono-400.woff2") format("woff2");
}

* { box-sizing: border-box; }

/* Anchor jumps park the heading below the bar rather than under it. */
html { scroll-padding-top: 1rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { color: var(--bright); line-height: 1.25; }
h1 { font-size: 2.25rem; font-weight: 500; margin: 0 0 1rem; }
h2 { font-size: 1.5rem; font-weight: 500; margin: 2.5rem 0 .75rem; }
h3 { font-size: 1.1rem; font-weight: 600; margin: 0; }
main h3 { margin: 2rem 0 .5rem; }
main h2 + h3 { margin-top: 1rem; }
/* Prose lines past ~70 characters are hard to track back; code, tables and
   cards keep the full column. */
main p, main li { max-width: 70ch; }

/* JetBrains Mono's ligatures turn === into ≡, which misreads in JS. */
code, pre { font-family: var(--mono); font-size: .875rem; font-variant-ligatures: none; }

pre {
  overflow-x: auto;
  tab-size: 4;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--sidebar);
  line-height: 1.5;
}

/* Inline code is a chip so it reads as code in tables and callouts too; a
   linked name keeps the link colour, plain code stays neutral. */
:not(pre) > code {
  padding: .05em .3em;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--well);
  color: var(--bright);
  font-size: .85em;
}
a > code { color: inherit; }

/* Inline SVGs; style-src 'self' leaves no room for presentation attributes'
   inline equivalents, so stroke and size are set here. */
.icon {
  width: 1em;
  height: 1em;
  flex: none;
  vertical-align: -.125em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-ext { width: .8em; height: .8em; margin-left: .25em; vertical-align: -.05em; }

/* Under 50rem the top bar is the menu button and wordmark; the checkbox slides
   a drawer in from the left: the search, version picker and links, then the
   nav. */
.top { background: var(--sidebar); border-bottom: 1px solid var(--border); }
.top-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .85rem 1.25rem;
}
.wordmark { display: flex; }

/* The checkbox stays in the tab order (display:none would drop it), so its
   focus ring is drawn on the label it drives. */
.nav-toggle { position: absolute; opacity: 0; width: 1px; height: 1px; }
.menu-btn {
  display: flex;
  padding: .25rem;
  color: var(--amber);
  font-size: 1.4rem;
  border-radius: 4px;
  cursor: pointer;
}
.nav-toggle:focus-visible ~ .top .menu-btn { outline: 2px solid var(--amber); outline-offset: 2px; }
.nav-toggle:checked ~ .top .menu-btn { background: var(--band); }

/* visibility, not only the transform, so a closed drawer's links leave the
   tab order; it is transitioned so the panel stays visible while it slides
   out. */
.drawer {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 20;
  width: min(20rem, 85vw);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform .2s ease, visibility .2s;
}
.nav-toggle:checked ~ .drawer { transform: none; visibility: visible; }
/* The open drawer covers the bar, so it repeats the wordmark and carries
   its own way out. */
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem .75rem .85rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.drawer-close {
  display: flex;
  padding: .25rem;
  color: var(--amber);
  font-size: 1.4rem;
  border-radius: 4px;
  cursor: pointer;
}
.drawer-close:hover { background: var(--band); }
.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 15;
  background: rgba(0, 0, 0, .55);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s, visibility .2s;
}
.nav-toggle:checked ~ .nav-backdrop { opacity: 1; visibility: visible; }
@media (prefers-reduced-motion: reduce) {
  .drawer, .nav-backdrop { transition: none; }
}
@media (max-width: 49.99rem) {
  body:has(.nav-toggle:checked) { overflow: hidden; }
}

.top-tools { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
.top-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem 1.25rem;
  margin-top: .75rem;
  font-size: .85rem;
}
.top-links > a { white-space: nowrap; }

.side-body { padding: .5rem 0 1rem; }

.nav ul { list-style: none; margin: 0 0 .5rem; padding: 0; }
.nav-group {
  margin: .9rem 1.25rem .3rem;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.nav-link {
  display: block;
  padding: .3rem 1.25rem .3rem 2rem;
  font-size: .925rem;
  color: var(--text);
}
.nav-top .nav-link { padding-left: 1.25rem; color: var(--amber); }
.nav-link:hover { color: var(--bright); text-decoration: none; }
.nav-top .nav-link:hover { color: var(--amber); background: var(--band); }
.nav-link[aria-current="page"],
.nav-top .nav-link[aria-current="page"] {
  color: var(--amber);
  background: var(--band);
  font-weight: 600;
}

/* Above .search, whose results are positioned too. */
.versions { position: relative; z-index: 6; font-size: .85rem; }
.versions > summary {
  display: flex;
  align-items: center;
  gap: .4rem;
  cursor: pointer;
  list-style: none;
  padding: .2rem .55rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
}
.versions > summary::-webkit-details-marker { display: none; }
.versions > summary::after {
  content: "";
  width: .35rem;
  height: .35rem;
  margin-top: -.2rem;
  border: solid var(--muted);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}
.versions[open] > summary { border-color: var(--amber); color: var(--bright); }
.versions[open] > summary::after { margin-top: .15rem; transform: rotate(-135deg); }
.versions > summary:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.side-version { margin: .25rem 1.25rem .75rem; }
.side-version:empty { display: none; }
.side-version .versions > summary { justify-content: space-between; }
.versions ul {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 100%;
  margin: .25rem 0 0;
  padding: .25rem 0;
  list-style: none;
  background: var(--sidebar);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, .4);
}
.versions li a {
  display: flex;
  align-items: center;
  padding: .3rem .9rem;
  white-space: nowrap;
  color: var(--text);
  border-left: 2px solid transparent;
}
.versions li a:hover { color: var(--bright); text-decoration: none; }
.versions li a[aria-current="page"] {
  color: var(--amber);
  border-left-color: var(--amber);
  background: rgba(255, 191, 0, .06);
  font-weight: 600;
}

/* via's own banner rules are zero-specificity, so these plain ones win. */
#via-reconnect-banner {
  font-family: var(--sans);
  background: var(--sidebar);
  color: var(--text);
  border-bottom: 1px solid var(--border);
  box-shadow: none;
}
#via-reconnect-banner button {
  color: var(--amber);
}
[data-via-connection="connecting"] #via-reconnect-banner {
  background: #3a2c0a;
  color: #ffd866;
}
[data-via-connection="offline"] #via-reconnect-banner {
  background: #3b1417;
  color: #f4b4b4;
}
[data-via-connection="offline"] #via-reconnect-banner button {
  color: #ff9c9c;
}

/* A <legend> names the tab group for screen readers; showing it would
   duplicate the card title. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Off-screen rather than display:none — a hidden link is not focusable, and
   the whole point is that the first Tab reaches it. */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10;
  padding: .5rem .9rem;
  color: var(--ink);
  background: var(--amber);
  border-radius: 0 0 4px 0;
}
.skip:focus {
  left: 0;
  text-decoration: none;
}

.col {
  min-width: 0;
  padding: 2rem 1.5rem 2rem;
}

.bottom {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  font-size: .85rem;
}

/* From 50rem the bar spans the window: the wordmark over the sidebar
   column, then search and links over the page column. --side is the sidebar
   width, which past 66.5rem grows leftwards so sidebar and column sit centred
   together while the sidebar's contents stay pinned to the column's edge. */
@media (min-width: 50rem) {
  :root { --side: 16.5rem; }
  html { scroll-padding-top: calc(var(--top) + 1rem); }
  .top {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 5;
    display: flex;
    height: var(--top);
    background: var(--bg);
  }
  .top-brand {
    width: var(--side);
    flex: none;
    padding: 0 1.25rem 0 calc(var(--side) - 16.5rem + 1.25rem);
    background: var(--sidebar);
    border-right: 1px solid var(--border);
  }
  .menu-btn, .drawer-head { display: none; }
  /* visibility inherits through display:contents; the tools would vanish. */
  .drawer { display: contents; visibility: visible; }
  .nav-backdrop { display: none; }
  /* Out of the drawer and over the bar, starting where the wordmark's column
     ends. */
  .top-tools {
    position: fixed;
    top: 0;
    left: var(--side);
    right: 0;
    z-index: 6;
    height: var(--top);
    border-bottom: 0;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    min-width: 0;
    max-width: 50rem;
    padding: 0 2.5rem;
  }
  .top-tools .search { flex: 1; max-width: 24rem; }
  .top-tools .search-hits,
  .top-tools .search-none {
    position: absolute;
    top: 100%;
    left: 0;
    width: min(32rem, 70vw);
    max-height: 70vh;
    overflow-y: auto;
    padding: .75rem 1rem;
    background: var(--sidebar);
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, .4);
  }
  .top-links { flex-wrap: nowrap; margin: 0 0 0 auto; }
  .side {
    position: fixed;
    background: var(--sidebar);
    inset: var(--top) auto 0 0;
    width: var(--side);
    overflow-y: auto;
    border-bottom: 0;
    border-right: 1px solid var(--border);
  }
  .side-body { display: block; padding-top: 1.25rem; }
  .main-wrap { margin-left: var(--side); padding-top: var(--top); }
  .col { padding: 2rem 2.5rem 2rem; }
}

/* From 66.5rem the contents list leaves the column for a sticky rail on its
   right; sidebar, column and rail (16.5 + 50 + 14rem) centre together. The
   rail's track stays on pages without one, so every column starts at the
   same x. */
@media (min-width: 66.5rem) {
  :root { --side: max(16.5rem, calc(50% - 23.75rem)); }
  .side-inner { width: 16.5rem; margin-left: auto; }
  .page {
    display: grid;
    grid-template-columns: minmax(0, 50rem) 14rem;
    grid-template-rows: auto 1fr;
  }
  .page > main, .page-foot { grid-column: 1; }
}

.crumbs { margin: 0 0 .35rem; font-size: .85rem; color: var(--muted); }

.old-version {
  margin: 0 0 1.25rem;
  padding: .6rem .9rem;
  border: 1px solid var(--amber);
  border-radius: 6px;
  background: rgba(255, 191, 0, .06);
}

.toc-inline {
  margin: 0 0 2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--sidebar);
  font-size: .9rem;
}
.toc-inline > summary {
  padding: .55rem 1rem;
  color: var(--muted);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
}
.toc-inline > summary:focus-visible { outline: 2px solid var(--amber); outline-offset: -2px; }
.toc-inline[open] > summary { color: var(--bright); }
.toc-inline > ul { margin: 0; padding: 0 1rem .75rem 2.1rem; }
.toc-inline ul ul { padding-left: 1rem; }

.toc-rail { display: none; font-size: .85rem; line-height: 1.4; }
.toc-title { margin: 0 0 .5rem; color: var(--muted); font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.toc-rail ul { list-style: none; margin: 0; padding: 0; }
.toc-rail > ul { border-left: 1px solid var(--border); }
.toc-rail a {
  display: block;
  margin-left: -1px;
  padding: .25rem 0 .25rem .8rem;
  border-left: 1px solid transparent;
  color: var(--muted);
}
.toc-rail ul ul a { padding-left: 1.6rem; }
.toc-rail a:hover { color: var(--bright); text-decoration: none; }
.toc-rail a[aria-current] { color: var(--amber); border-left-color: var(--amber); }
@media (min-width: 66.5rem) {
  .toc-inline { display: none; }
  .toc-rail {
    display: block;
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: start;
    position: sticky;
    top: var(--top);
    max-height: calc(100vh - var(--top));
    overflow-y: auto;
    padding: 2.4rem 1.5rem 2rem 0;
  }
}

h2, h3 { position: relative; }
/* In the gutter left of the heading, so the heading text starts where the
   paragraph text does. */
.anchor {
  float: left;
  margin-left: -1.1em;
  width: 1.1em;
  color: var(--muted);
  opacity: 0;
  text-decoration: none;
}
h2:hover .anchor, h3:hover .anchor, .anchor:focus-visible { opacity: 1; }
.anchor:hover { color: var(--amber); text-decoration: none; }
.anchor:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
/* No hover to reveal it on a touch screen, so it stays faintly there. */
@media (hover: none) { .anchor { opacity: .45; } }
/* The phone gutter is narrower than the glyph, so it moves into the line. */
@media (max-width: 49.99rem) {
  .anchor { float: none; width: auto; margin: 0 .35em 0 0; }
}

.page-foot { padding: 0 1.5rem 3rem; }
@media (min-width: 50rem) { .page-foot { padding: 0 2.5rem 3rem; } }
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.pager a {
  display: block;
  min-width: 0;
  padding: .7rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-weight: 500;
}
.pager a:hover { border-color: var(--amber); text-decoration: none; }
.pager a:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.pager small { display: block; color: var(--muted); font-size: .8rem; font-weight: 400; }
.pager-next { grid-column: 2; text-align: right; }
.page-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  margin: 1.25rem 0 0;
  font-size: .85rem;
}
.page-links a { color: var(--muted); }
.page-links a:hover { color: var(--bright); }

.search-page { max-width: 24rem; margin: 1.5rem 0 .5rem; }
@media (min-width: 50rem) { .search-page { display: none; } }

hr { margin: 2.5rem 0 2rem; border: 0; border-top: 1px solid var(--border); }

.btn {
  display: inline-flex;
  align-items: center;
  padding: .45rem 1rem;
  border: 1px solid #3a3f4b;
  border-radius: 4px;
  background: var(--btn);
  color: var(--amber);
  font-weight: 500;
}
.btn:hover { text-decoration: none; border-color: var(--amber); }
.btn-primary { background: var(--amber); border-color: var(--amber); color: var(--ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn:focus-visible { outline: 2px solid var(--bright); outline-offset: 2px; }

.search { position: relative; }
.search > .icon {
  position: absolute;
  left: .6rem;
  top: .55rem;
  color: var(--muted);
  pointer-events: none;
}
.search input {
  width: 100%;
  font: inherit;
  font-size: .95rem;
  color: var(--text);
  background: var(--well);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .35rem .6rem .35rem 2.1rem;
}
.search input::placeholder { color: var(--muted); }
.search input:focus-visible { outline: 2px solid var(--amber); outline-offset: 1px; }
.search-hits { list-style: none; margin: .4rem 0 0; padding: 0; font-size: .85rem; }
.search-hits li { margin: 0 -.5rem .2rem; padding: .3rem .5rem; border-radius: 3px; }
.search-hits li.active { background: var(--btn); }
.search-hits li.active a { text-decoration: underline; }
.search input { padding-right: 2rem; }
.search-key {
  position: absolute;
  right: .5rem;
  top: 50%;
  transform: translateY(-50%);
  padding: 0 .35rem;
  font: .75rem/1.5 var(--mono);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  pointer-events: none;
}
.search input:focus ~ .search-key,
.search input:not(:placeholder-shown) ~ .search-key { display: none; }
/* pointer, not hover: headless desktop Chromium reports hover:none. */
@media (pointer: coarse) { .search-key { display: none; } }
.search-hits small { display: block; color: var(--muted); }
.search-none { margin: .4rem 0 0; font-size: .85rem; color: var(--muted); }

.code { position: relative; }
/* Room for the copy button, so it never covers the end of the first line: to
   its left on a wide column, above the code on a phone, where most lines
   scroll sideways under it. */
.code:not(.code-file) > pre { padding-right: 3rem; }
@media (max-width: 49.99rem) {
  .code:not(.code-file) > pre { padding: 2.4rem 1rem 1rem; }
  .code:not(.code-file) > .copy { top: .4rem; right: .4rem; }
}
.copy {
  position: absolute;
  top: .5rem;
  right: .5rem;
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .85rem;
  padding: .3rem .4rem;
  color: var(--muted);
}
.copy .icon-check, .copy-done { display: none; }
.copy.copied { color: var(--amber); border-color: var(--amber); }
.copy.copied .icon-clip { display: none; }
.copy.copied .icon-check { display: block; }
.copy.copied .copy-done { display: inline; font-size: .75rem; }

.hero { margin: 0 0 1rem; }
.hero h1 { margin: .5rem 0 .5rem; font-size: 2.6rem; font-weight: 500; }
/* The PNG is square with the bolt in its middle half; cover crops the empty
   bands above and below at any width. */
.hero-art { display: block; width: 440px; max-width: 100%; height: auto; aspect-ratio: 44 / 25; object-fit: cover; margin: 0 auto; }
.pitch { margin: 0; font-size: 1.35rem; line-height: 1.4; color: var(--text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }

/* A container, so the Wire pane lays out by the card's width, which Beside
   narrows, not the window's. */
.demo {
  container-type: inline-size;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--sidebar);
}
.demo > header { padding: .75rem 1rem; border-bottom: 1px solid var(--border); }
.demo > header h3 { margin: 0; }
/* The card's padding is narrower than the glyph, so a hanging anchor would
   sit on the border. */
.demo > header .anchor { display: none; }
.demo-prose { padding: .75rem 1rem 0; }
.demo .row { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }

.demo-live { padding: .75rem 1rem 1rem; }
.demo-more { border-top: 1px solid var(--border); }
.demo-more > summary {
  padding: .6rem 1rem;
  font-size: .85rem;
  color: var(--muted);
  cursor: pointer;
}
.demo-more > summary:hover,
.demo-more[open] > summary { color: var(--bright); }
.demo-more > summary:focus-visible { outline: 2px solid var(--amber); outline-offset: -2px; }
.demo-more > :not(summary) { margin: 0 1rem 1rem; }

.inspector {
  font-family: var(--mono);
  font-size: .8rem;
  max-height: 320px;
  overflow: auto;
  padding: .75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--well);
}
.inspector:focus-visible,
.demo .loglist:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

button {
  font: inherit;
  color: var(--text);
  background: #23272f;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .3rem .7rem;
  cursor: pointer;
}
button:hover { border-color: var(--amber); color: var(--bright); }
button:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.demo label { display: block; margin: .5rem 0; }
.demo label > input { display: block; margin-top: .2rem; }
.demo input,
.demo output {
  font: inherit;
  color: var(--text);
  background: var(--well);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .25rem .5rem;
}
.demo input:focus-visible { outline: 2px solid var(--amber); outline-offset: 1px; }
.demo input[type="number"] { width: 6rem; }
.demo output { min-width: 2.5rem; text-align: right; font-family: var(--mono); }

.demo .tally { list-style: none; padding: 0; margin: 0; }
.demo .tally > li { margin: .35rem 0; }
.demo .tally span { flex: 1; }

.demo .panel { margin-top: .5rem; padding: .5rem .75rem; border-left: 2px solid var(--amber); }
.demo .panel p { margin: 0; }

/* A State renders "" until it has something to say, and an empty box would
   still take its own line. */
.demo .err,
.demo .notice { display: block; margin-top: .25rem; color: var(--amber); }
.demo .err:empty,
.demo .notice:empty { display: none; }

.demo .total { font-family: var(--mono); }
.demo .total.over { color: var(--amber); }

.map-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: .75rem;
  margin-top: .9rem;
}
.chart {
  display: block;
  max-width: 100%;
  margin-top: .9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.demo .metric {
  margin: 0;
  font-family: var(--mono);
  font-size: 2rem;
  color: var(--bright);
}
.demo .note { font-size: .85rem; color: var(--muted); }
.demo .pair { display: flex; flex-wrap: wrap; gap: 1rem; }
.demo .loglist {
  margin: .75rem 0 0;
  padding: 0 0 0 1.25rem;
  max-height: 200px;
  overflow: auto;
  font-family: var(--mono);
  font-size: .8rem;
}
.demo .loglist:empty { display: none; }
/* Room for a two-digit marker. */
.demo ol.loglist { padding-left: 2.5em; }
.demo .reflist { margin: .5rem 0; padding-left: 1.25rem; font-size: .9rem; }
.demo .reflist code { overflow-wrap: break-word; }

.ref-table {
  width: 100%;
  margin: 1rem 0 1.5rem;
  border-collapse: collapse;
  font-size: .9rem;
}
.ref-table th, .ref-table td {
  text-align: left;
  vertical-align: top;
  padding: .45rem .6rem;
  border-bottom: 1px solid var(--border);
}
.ref-table th { color: var(--bright); font-weight: 600; }
.ref-table td code { overflow-wrap: break-word; }
/* API names break only where reference.go put a <wbr>, after a dot. */
.ref-table td:first-child code { overflow-wrap: normal; word-break: keep-all; }
.ref-sym code { padding: 0; border: 0; background: none; font-size: 1em; }
.ref-sig {
  display: block;
  margin-top: .15rem;
  font: .78rem/1.45 var(--mono);
  color: var(--muted);
  overflow-wrap: anywhere;
}
.ref-table tr:hover .anchor { opacity: 1; }
.ref-sym.deprecated, .ref-sym.deprecated code { color: var(--muted); }
.ref-table caption { caption-side: top; padding: 0 0 .4rem; text-align: left; color: var(--muted); font-size: .85rem; }
/* A table ignores min-width: 0 and two columns leave no room for a signature
   on a phone, so under 50rem each row stacks: the call on one line, what it
   does beneath. The header row is noise once the columns are gone. */
@media (max-width: 49.99rem) {
  .ref-table tbody, .ref-table tr, .ref-table td { display: block; }
  .ref-table thead { display: none; }
  .ref-table tr { padding: .5rem 0; border-bottom: 1px solid var(--border); }
  .ref-table td { padding: .15rem 0; border-bottom: 0; }
  .ref-table td code, .demo .reflist code { overflow-wrap: anywhere; }
  .ref-table td[data-label]::before {
    content: attr(data-label);
    display: block;
    color: var(--muted);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
  }
  .ref-table td[data-label] + td[data-label] { padding-top: .4rem; }
}

.inspector h4 {
  margin: 0 0 .35rem;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.insp-signals pre {
  margin: 0 0 .9rem;
  padding: .5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  max-height: 120px;
  overflow: auto;
}
.insp-empty { margin: 0; color: var(--muted); }
.insp-e {
  border-left: 2px solid var(--border);
  padding: .1rem 0 .1rem .5rem;
  margin-bottom: .25rem;
}
.insp-e > summary { cursor: pointer; color: var(--muted); }
.insp-e > pre {
  margin: .3rem 0 .2rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text);
}
.insp-req { border-left-color: var(--amber); }
.insp-req > summary { color: var(--amber); }
.insp-res { border-left-color: #4b8; }
.insp-res > summary { color: #7cc; }
.insp-frame { border-left-color: #58f; }
.insp-frame > summary { color: #8ab4ff; }

/* A labelled block: the name bar shares the block's border, and the copy
   button sits in the bar so it never covers the first line of code. */
.code-file {
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--sidebar);
}
.code-file > pre { margin: 0; border: 0; border-radius: 0 0 6px 6px; }
.code-name {
  padding: .45rem 3.25rem .45rem 1rem;
  border-bottom: 1px solid var(--border);
  border-radius: 6px 6px 0 0;
  background: var(--band);
  color: var(--muted);
  font-family: var(--mono);
  font-size: .8rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.code-file > .copy {
  top: .2rem;
  right: .35rem;
  padding: .15rem .35rem;
  background: transparent;
  border-color: transparent;
}
.code-file > .copy:hover { border-color: var(--border); }

/* code is widened to the scroll width so a marked line's band runs under
   text that only shows after scrolling sideways. */
.code-hl > code { display: inline-block; min-width: 100%; }
.code-hl .ln {
  display: block;
  margin: 0 -1rem;
  padding: 0 1rem 0 calc(1rem - 2px);
  border-left: 2px solid transparent;
}
.code-hl .ln.hl { background: rgba(255, 191, 0, .06); border-left-color: var(--amber); }

.callout {
  --tone: var(--muted);
  margin: 1.25rem 0;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--tone);
  border-radius: 6px;
  background: var(--sidebar);
}
.callout-note { --tone: #61afef; }
.callout-warning { --tone: var(--amber); }
.callout-caveat { --tone: #e06c75; }
.callout-title { margin: 0 0 .3rem; color: var(--bright); font-weight: 600; }
.callout-label {
  margin-right: .6rem;
  color: var(--tone);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.callout > :not(.callout-title) { margin: .35rem 0 0; }
.callout > .code, .callout > .code-file { margin-top: .6rem; }

.steps { list-style: none; counter-reset: step; margin: 1.5rem 0; padding: 0; }
.step { position: relative; counter-increment: step; padding: 0 0 1.5rem 2.75rem; }
.step::before {
  content: counter(step);
  position: absolute;
  top: 0;
  left: 0;
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--sidebar);
  color: var(--amber);
  font: .8rem/1.65rem var(--mono);
  text-align: center;
}
.step::after {
  content: "";
  position: absolute;
  top: 2.1rem;
  bottom: .35rem;
  left: .875rem;
  border-left: 1px solid var(--border);
}
.step:last-child { padding-bottom: 0; }
.step:last-child::after { display: none; }
.step-title { margin: 0 0 .4rem; color: var(--bright); font-weight: 600; line-height: 1.75rem; }
.step > :not(.step-title) { margin-top: .5rem; margin-bottom: 0; }
.step > .code > pre { margin: 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr));
  gap: .75rem;
  margin: 1.25rem 0;
}
.link-card {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--sidebar);
  color: var(--text);
}
.link-card:hover { text-decoration: none; border-color: var(--amber); }
.link-card:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.link-card-title { display: flex; justify-content: space-between; gap: .5rem; color: var(--bright); font-weight: 600; }
.link-card-arrow { color: var(--amber); }
.link-card-line { color: var(--muted); font-size: .9rem; line-height: 1.45; }

.compare { display: grid; gap: 1rem; margin: 1.25rem 0; }
.compare-side { display: flex; flex-direction: column; min-width: 0; margin: 0; }
.compare-side > figcaption {
  margin: 0 0 .4rem;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.compare-side > .code, .compare-side > .code-file { flex: 1; display: flex; flex-direction: column; margin: 0; }
.compare-side pre { flex: 1; margin: 0; }

.ex-links { white-space: nowrap; }

.kbd { white-space: nowrap; color: var(--muted); }
kbd {
  padding: .05rem .35rem;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--sidebar);
  color: var(--bright);
  font-family: var(--mono);
  font-size: .78rem;
}

.demo-try {
  margin: 0 1rem 1rem;
  padding: .6rem .85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--band);
  font-size: .9rem;
}
.demo-try-title {
  margin: 0 0 .2rem;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.demo-try ul { margin: 0; padding-left: 1.1rem; }
.demo-try li { margin: .15rem 0; }
.demo-try li::marker { color: var(--amber); }

/* Wire pane rows: time, kind, target, outcome; a status note wraps under. */
.insp-e > summary {
  display: grid;
  grid-template-columns: 4.5rem 7.5rem minmax(0, 1fr) auto;
  gap: .1rem .75rem;
  align-items: baseline;
  list-style: none;
  color: var(--text);
}
.insp-e > summary::-webkit-details-marker { display: none; }
.insp-req, .insp-frame { border-left-color: var(--border); }
.insp-req > summary, .insp-frame > summary { color: var(--text); }
.insp-e[open] { border-left-color: var(--amber); }
.w-time { color: var(--muted); }
.w-kind { color: var(--bright); }
.insp-frame .w-kind { color: #61afef; }
.w-target { overflow-wrap: anywhere; }
.w-meta { color: var(--muted); text-align: right; white-space: nowrap; }
.w-status { font-weight: 600; }
.w-ok { color: #98c379; }
.w-warn { color: var(--amber); }
.w-bad { color: #e06c75; }
.w-note { grid-column: 2 / -1; color: var(--amber); }
@container (max-width: 40rem) {
  .insp-e > summary { grid-template-columns: auto minmax(0, 1fr); }
  .w-time { display: none; }
  .w-meta { grid-column: 1 / -1; text-align: left; }
  .w-note { grid-column: 1 / -1; }
}

/* Native file inputs size to their text, which overflows at phone width. */
.demo input[type="file"] { max-width: 100%; }