/* Styles of the docs site. No scripts, no inline styles, no web fonts: the same rules as the viewer. */

/* Tokens, copied from packages/viewer/src/style.css so the docs and the viewer feel like one product. pnpm check-docs keeps them equal. */

:root {
  --font-ui: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --bg: #f5f6f8;
  --panel: #ffffff;
  --raised: #ffffff;

  --ink: #1c2024;
  --ink-2: #4f5762;
  --ink-3: #6b7381;

  --line: #e6e9ee;
  --line-soft: #eff1f5;
  --hover: #f1f3f6;

  --accent: #4a63d8;
  --pass: #2f9e5f;
  --fail: #d04747;
  --warn: #b0760c;
  --skip: #a8b0bb;

  --tint: color-mix(in srgb, var(--accent) 7%, transparent);
  --tint-strong: color-mix(in srgb, var(--accent) 13%, transparent);
  --ring: color-mix(in srgb, var(--accent) 45%, transparent);

  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(20, 24, 32, 0.05);
  --shadow-md: 0 1px 2px rgba(20, 24, 32, 0.05), 0 6px 16px -6px rgba(20, 24, 32, 0.14);

  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111316;
    --panel: #171a1f;
    --raised: #1c2026;

    --ink: #e2e6ea;
    --ink-2: #b0b9c5;
    --ink-3: #8a939f;

    --line: #252a31;
    --line-soft: #1e2228;
    --hover: #21262d;

    --accent: #8ea2ff;
    --pass: #4fbb7d;
    --fail: #e8756f;
    --warn: #d3a24a;
    --skip: #5c646f;

    --tint: color-mix(in srgb, var(--accent) 10%, transparent);
    --tint-strong: color-mix(in srgb, var(--accent) 18%, transparent);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 20px -8px rgba(0, 0, 0, 0.6);
  }
}

/* Tokens only the docs need. */

:root {
  --well: #f1f3f6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --well: #0f1114;
  }
}

/* Base */

* {
  box-sizing: border-box;
}

html {
  /* Anchors land below the sticky bar, not under it. */
  scroll-padding-top: 72px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 14px/1.5 var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--tint-strong);
}

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 1px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

code,
pre,
kbd,
.mono {
  font-family: var(--font-mono);
}

code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--hover);
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

.muted {
  color: var(--ink-3);
}

/* Top bar: the same 52px panel strip as the viewer header. */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 52px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.wordmark:hover {
  text-decoration: none;
}

/* The sygnet, the same drawing as the favicon. */
.wordmark::before {
  content: '';
  width: 18px;
  height: 18px;
  margin-right: 8px;
  background: url(favicon.svg) center / contain no-repeat;
}

.wordmark .me {
  color: var(--accent);
}

.wordmark .muted {
  margin-left: 5px;
  font-weight: 500;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  color: var(--ink-3);
  font-size: 12px;
}

.facts > * {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* A hairline between facts, the way the viewer header splits its stats. A badge has its own edge. */
.facts > * + :not(.badge)::before {
  content: '';
  width: 1px;
  height: 11px;
  margin-right: 8px;
  background: var(--line);
}

.facts a {
  color: var(--ink-3);
}

.facts a:hover {
  color: var(--ink);
}

.topbar > .right {
  margin-left: auto;
}

/* Layout: sidebar, page and an "on this page" column, like the viewer's sidebar, stage and inspector. */

.layout {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr) 208px;
  align-items: start;
}

.sidebar,
.toc {
  position: sticky;
  top: 52px;
  max-height: calc(100vh - 52px);
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.sidebar {
  min-height: calc(100vh - 52px);
  padding: 18px 10px 32px;
  border-right: 1px solid var(--line);
  background: var(--panel);
}

.sidebar ul,
.toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sidebar ul + .group {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.group {
  margin: 0 0 6px;
  padding: 0 9px;
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 600;
}

.sidebar a,
.toc a {
  position: relative;
  display: block;
  padding: 4px 9px;
  border-radius: var(--r-sm);
  color: var(--ink-2);
  font-size: 13.5px;
}

.sidebar a:hover,
.toc a:hover {
  background: var(--hover);
  color: var(--ink);
  text-decoration: none;
}

/* Selection is a tinted row with an accent edge, as in the viewer's tree. */
.sidebar a[aria-current='page'] {
  background: var(--tint);
  color: var(--ink);
  font-weight: 500;
}

.sidebar a[aria-current='page']::before {
  content: '';
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 0;
  width: 2px;
  border-radius: 0 2px 2px 0;
  background: var(--accent);
}

.toc {
  padding: 28px 16px 32px 4px;
}

.toc a {
  padding: 3px 9px;
  font-size: 13px;
}

/* The page */

.page {
  width: 100%;
  max-width: 50rem;
  margin: 0 auto;
  padding: 28px 36px 64px;
  font-size: 15px;
  line-height: 1.65;
}

.page-head {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-head h1 {
  margin: 0;
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.lead {
  margin: 16px 0 0;
  color: var(--ink-2);
  font-size: 16px;
}

.page h2 {
  margin: 44px 0 10px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.page h3 {
  margin: 28px 0 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.page h4 {
  margin: 20px 0 4px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
}

.page p,
.page ul,
.page ol {
  margin: 10px 0;
}

.page ul,
.page ol {
  padding-left: 22px;
}

.page li + li {
  margin-top: 4px;
}

.page li > ul,
.page li > ol {
  margin: 4px 0;
}

/* Heading anchors show up on hover, so the headings stay quiet at rest. */
.anchor {
  margin-left: 6px;
  color: var(--ink-3);
  font-weight: 400;
  opacity: 0;
}

:is(h2, h3):hover > .anchor,
.anchor:focus-visible {
  opacity: 1;
}

.anchor:hover {
  color: var(--accent);
  text-decoration: none;
}

.eyebrow {
  margin: 22px 0 8px;
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 600;
}

/* Code */

pre {
  margin: 12px 0;
  padding: 11px 14px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--well);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

pre code {
  padding: 0;
  background: none;
  font-size: inherit;
  overflow-wrap: normal;
}

/* A comment or a prompt inside a code block steps back. */
pre .dim {
  color: var(--ink-3);
}

/* The file a code block belongs to, right above it. */
.file {
  margin: 14px 0 -6px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 12px;
}

kbd {
  display: inline-block;
  min-width: 18px;
  padding: 0 4px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--bg);
  color: var(--ink-2);
  font-size: 11px;
  text-align: center;
}

/* Cards and tables */

.scroll {
  margin: 12px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
}

th {
  border-bottom-color: var(--line);
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
}

td {
  font-size: 13.5px;
  line-height: 1.55;
}

tbody tr:last-child td {
  border-bottom: 0;
}

/* A reference table: the name column is code and never wraps. */
td.name,
table.fields td:first-child {
  font-family: var(--font-mono);
  font-size: 12.5px;
  white-space: nowrap;
}

td.name code,
table.fields td:first-child code {
  padding: 0;
  background: none;
  font-size: inherit;
}

td.nowrap {
  white-space: nowrap;
}

tr:target td {
  background: var(--tint);
}

tr:target td:first-child {
  box-shadow: inset 2px 0 0 var(--accent);
}

/* A prose table that would squeeze into one-word lines on a phone scrolls inside its card instead. */
.scroll > table.wide {
  min-width: 34rem;
}

dl.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 18px;
  margin: 12px 0;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  font-size: 13.5px;
}

dl.kv dt {
  color: var(--ink-3);
}

dl.kv dd {
  margin: 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.card {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  color: var(--ink);
}

a.card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 4px;
  font-size: 14px;
}

.card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 13.5px;
  line-height: 1.55;
}

/* A card that opens one of the example viewers. The arrow says it leaves the docs. */
a.card.viewer h3::after {
  content: '↗';
  margin-left: auto;
  color: var(--ink-3);
  font-weight: 400;
}

a.card.viewer:hover h3::after {
  color: var(--accent);
}

/* Two columns side by side, browser mode and jsdom. They stack on a phone. */
.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0;
}

.pair > * {
  min-width: 0;
}

.callout {
  --tone: var(--accent);
  margin: 14px 0;
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--tone) 28%, transparent);
  border-radius: var(--r-md);
  background: color-mix(in srgb, var(--tone) 6%, transparent);
  font-size: 14px;
}

.callout > :first-child {
  margin-top: 0;
}

.callout > :last-child {
  margin-bottom: 0;
}

.callout strong:first-child {
  color: color-mix(in srgb, var(--tone) 75%, var(--ink));
}

.callout.warn {
  --tone: var(--warn);
}

.callout.danger {
  --tone: var(--fail);
}

.callout.pass {
  --tone: var(--pass);
}

/* Numbered steps, each with its number in a tinted disc. */

ol.steps {
  padding: 0;
  counter-reset: step;
  list-style: none;
}

ol.steps > li {
  position: relative;
  padding-left: 38px;
  counter-increment: step;
}

ol.steps > li + li {
  margin-top: 18px;
}

ol.steps > li::before {
  content: counter(step);
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--tint-strong);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}

ol.steps > li > strong:first-child {
  display: block;
}

/* Badges: a tone through --tone, like the viewer's status chips. */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 4px;
  padding: 0 8px;
  border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--tone, var(--skip)) 14%, transparent);
  color: color-mix(in srgb, var(--tone, var(--ink-3)) 75%, var(--ink));
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 500;
  line-height: 19px;
  white-space: nowrap;
  vertical-align: baseline;
}

.badge.dot::before {
  content: '';
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tone, var(--skip));
}

/* Where something applies. Neutral on purpose: an environment is neither good nor bad. */
.badge.env {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--ink-2);
}

.early,
.status-open {
  --tone: var(--warn);
}

.passed,
.status-fixed {
  --tone: var(--pass);
}

.failed {
  --tone: var(--fail);
}

.status-planned {
  --tone: var(--accent);
}

.status-by-design {
  --tone: var(--skip);
}

/* Chips, the way the component overview shows which prop values the tests cover. */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.chip {
  padding: 1px 9px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}

.chip.covered {
  border-color: color-mix(in srgb, var(--pass) 35%, transparent);
  background: color-mix(in srgb, var(--pass) 8%, transparent);
  color: var(--ink);
}

.chip.covered::after {
  content: ' ✓';
  color: var(--pass);
}

.chip.uncovered {
  border-color: color-mix(in srgb, var(--fail) 35%, transparent);
  background: color-mix(in srgb, var(--fail) 6%, transparent);
  color: var(--ink);
}

.chip.uncovered::after {
  content: ' ✗';
  color: var(--fail);
}

/* A small piece of the viewer drawn with docs markup, for where a page needs a picture inline. */

.mock {
  margin: 14px 0 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  line-height: 1.5;
}

.mock-body {
  padding: 14px 16px 16px;
  overflow-x: auto;
}

.mock-caption {
  margin: 0 0 14px;
  color: var(--ink-3);
  font-size: 12px;
  text-align: right;
}

.mock .scroll {
  margin: 0;
}

/* Diagrams: inline SVG, coloured only through the tokens, so dark mode needs nothing extra. */

.diagram {
  margin: 18px 0 8px;
  padding: 16px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.diagram svg {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
  font-family: var(--font-ui);
}

.diagram figcaption {
  margin-top: 12px;
  color: var(--ink-3);
  font-size: 12px;
  line-height: 1.5;
}

.dg-group {
  fill: var(--well);
  stroke: var(--line);
  stroke-dasharray: 3 3;
}

.dg-node {
  fill: var(--panel);
  stroke: var(--line);
}

.dg-node.toned {
  fill: color-mix(in srgb, var(--tone) 12%, var(--panel));
  stroke: color-mix(in srgb, var(--tone) 60%, var(--panel));
}

.dg-node.strong {
  stroke: var(--accent);
  stroke-width: 1.5;
}

.dg-dot {
  fill: var(--tone);
}

.dg-title {
  fill: var(--ink);
  font-size: 12.5px;
  font-weight: 600;
}

.dg-group-title {
  fill: var(--ink-3);
  font-size: 11.5px;
  font-weight: 600;
}

.dg-title.mono,
.dg-group-title.mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

.dg-text {
  fill: var(--ink-2);
  font-size: 11.5px;
}

.dg-mono {
  fill: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

.dg-edge {
  fill: none;
  stroke: var(--ink-3);
  stroke-width: 1.25;
}

.dg-edge.accent {
  stroke: var(--accent);
}

.dg-edge.fail {
  stroke: var(--fail);
}

.dg-edge.dashed {
  stroke-dasharray: 4 3;
}

.dg-head {
  fill: var(--ink-3);
}

.dg-head.accent {
  fill: var(--accent);
}

.dg-head.fail {
  fill: var(--fail);
}

/* Edge labels get a halo in the card colour, so a line never runs through the text. */
.dg-label {
  fill: var(--ink-3);
  font-size: 11px;
  paint-order: stroke;
  stroke: var(--panel);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.dg-label.mono {
  font-family: var(--font-mono);
  font-size: 10.5px;
}

.dg-lifeline {
  stroke: var(--line);
  stroke-dasharray: 3 4;
}

/* Previous and next page */

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 48px;
}

.pager a {
  display: block;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  color: var(--ink);
  font-weight: 500;
}

.pager a:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  text-decoration: none;
}

.pager span {
  display: block;
  color: var(--ink-3);
  font-size: 11.5px;
  font-weight: 400;
}

.pager .next {
  grid-column: 2;
  text-align: right;
}

.page-foot {
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-3);
  font-size: 12px;
}

.page-foot a {
  color: var(--ink-3);
}

/* Narrow screens: the "on this page" column goes first, then the sidebar folds into a list above the page. */

@media (max-width: 1180px) {
  .layout {
    grid-template-columns: 232px minmax(0, 1fr);
  }

  .toc {
    display: none;
  }
}

@media (max-width: 760px) {
  .topbar {
    padding: 0 16px;
  }

  .topbar .facts:not(.right) > :not(.badge) {
    display: none;
  }

  .layout {
    display: block;
  }

  .sidebar {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 14px;
    min-height: 0;
    max-height: none;
    padding: 10px 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .sidebar .group {
    display: none;
  }

  .sidebar ul {
    display: contents;
  }

  .sidebar ul + .group {
    margin: 0;
    padding: 0;
    border: 0;
  }

  .sidebar a {
    padding: 3px 8px;
  }

  .page {
    padding: 22px 16px 48px;
  }

  .pair {
    grid-template-columns: 1fr;
  }

  .pager {
    grid-template-columns: 1fr;
  }

  .pager .next {
    grid-column: 1;
  }

  /* A key and its value stack, so a long key never squeezes its value into one-word lines. */
  dl.kv {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  dl.kv dd + dt {
    margin-top: 10px;
  }
}

/*
 * A reference table with several code columns that never wrap leaves its last
 * column, the prose, one word wide on a phone. That column keeps a readable
 * width, and the card scrolls instead.
 */
@media (max-width: 760px) {
  .scroll > table.fields.wide td:last-child {
    min-width: 14rem;
  }
}

/*
 * The API tables: a signature wraps between its words, never inside a name.
 * The column then keeps the width of its longest name, and on a phone the card
 * scrolls instead.
 */
table.fields.signatures td code {
  overflow-wrap: break-word;
}