/* Docs chrome. Reads the system's tokens so the site is its own first consumer,
   but nothing in here is part of the system: no .p234- class is defined below. */

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--p234-color-paper);
  color: var(--p234-color-ink);
  font-family: var(--p234-type-ui-family);
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute;
  left: -9999px;
  background: var(--p234-color-ink);
  color: var(--p234-color-paper);
  padding: var(--p234-space-4);
  z-index: 100;
}
.skip:focus { left: var(--p234-space-5); top: var(--p234-space-5); }

/* --- masthead ---------------------------------------------------------- */
.masthead {
  border-bottom: var(--p234-border-hairline) solid var(--p234-color-rule);
  background: var(--p234-color-paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.masthead__in {
  max-width: var(--p234-layout-container);
  margin: 0 auto;
  padding: var(--p234-space-4) var(--p234-layout-gutter);
  display: flex;
  align-items: center;
  gap: var(--p234-space-6);
  flex-wrap: wrap;
}
.masthead__brand { display: flex; align-items: baseline; gap: var(--p234-space-3); text-decoration: none; color: inherit; }
.masthead__plus {
  font-family: var(--p234-type-ui-family);
  font-weight: 900;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--p234-color-brand);
}
.masthead__name { font-family: var(--p234-type-ui-family); font-size: 0.9375rem; font-weight: 600; }
.masthead__nav { display: flex; gap: var(--p234-space-5); margin-left: auto; overflow-x: auto; }
.masthead__nav a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--p234-color-ink-muted);
  text-decoration: none;
  white-space: nowrap;
  padding-block: var(--p234-space-2);
  border-bottom: var(--p234-border-thick) solid transparent;
}
.masthead__nav a:hover { color: var(--p234-color-ink); }
.masthead__nav a[aria-current="page"] { color: var(--p234-color-ink); border-bottom-color: var(--p234-color-brand); }

.themebtn {
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  background: transparent;
  color: var(--p234-color-ink);
  border: 1px solid var(--p234-color-rule-strong);
  border-radius: var(--p234-radius-md);
  padding: var(--p234-space-3) var(--p234-space-4);
  cursor: pointer;
}

/* --- shell and sidebar -------------------------------------------------- */
.shell {
  max-width: var(--p234-layout-container);
  margin: 0 auto;
  padding: 0 var(--p234-layout-gutter);
  display: grid;
  gap: var(--p234-space-8);
}
/* Only a page that actually has a sidebar gets the sidebar column. Without
   this, a section with a single page renders its content into the 14rem
   column and the article squeezes into a strip. */
@media (min-width: 62rem) {
  .shell--sided { grid-template-columns: 14rem 1fr; gap: var(--p234-space-9); }
}

.side { padding-top: var(--p234-space-8); }
@media (min-width: 62rem) {
  .side { position: sticky; top: 4.5rem; align-self: start; max-height: calc(100vh - 6rem); overflow-y: auto; }
}
.side__title {
  font-family: var(--p234-type-kicker-family);
  font-size: var(--p234-type-kicker-size);
  font-weight: 700;
  letter-spacing: var(--p234-type-kicker-tracking);
  text-transform: uppercase;
  color: var(--p234-color-ink-muted);
  margin: 0 0 var(--p234-space-4);
}
.side ul { list-style: none; margin: 0; padding: 0; }
.side li { margin-bottom: 1px; }
.side a {
  display: block;
  font-size: 0.875rem;
  color: var(--p234-color-ink-muted);
  text-decoration: none;
  padding: var(--p234-space-3) var(--p234-space-4);
  border-left: var(--p234-border-thick) solid transparent;
  border-radius: 0 var(--p234-radius-sm) var(--p234-radius-sm) 0;
}
.side a:hover { color: var(--p234-color-ink); background: var(--p234-color-paper-alt); }
.side a[aria-current="page"] {
  color: var(--p234-color-ink);
  font-weight: 600;
  border-left-color: var(--p234-color-brand);
  background: var(--p234-color-brand-tint);
}

.main { padding: var(--p234-space-8) 0 var(--p234-space-10); min-width: 0; }

/* A page with no sidebar has the whole container to itself, so cap it. Prose is
   already capped by its measure, but code blocks and tables are not, and a
   1280px wide code block is as unreadable as a 14rem one. */
.shell:not(.shell--sided) .main { max-width: 56rem; }

/* --- page head and prose ------------------------------------------------ */
.page-head { border-bottom: var(--p234-border-heavy) solid var(--p234-color-ink); padding-bottom: var(--p234-space-5); margin-bottom: var(--p234-space-7); }
.page-head__title {
  font-family: var(--p234-type-display-2-family);
  font-size: var(--p234-type-display-2-size);
  line-height: var(--p234-type-display-2-leading);
  letter-spacing: var(--p234-type-display-2-tracking);
  margin: 0;
}
.page-head__desc {
  font-family: var(--p234-type-standfirst-family);
  font-size: var(--p234-type-standfirst-size);
  line-height: var(--p234-type-standfirst-leading);
  color: var(--p234-color-ink-muted);
  max-width: var(--p234-measure-text);
  margin: var(--p234-space-4) 0 0;
}

.main h2 {
  font-family: var(--p234-type-headline-family);
  font-size: var(--p234-type-headline-size);
  line-height: var(--p234-type-headline-leading);
  letter-spacing: var(--p234-type-headline-tracking);
  margin: var(--p234-space-9) 0 var(--p234-space-4);
}
.main h3 {
  font-family: var(--p234-type-headline-sm-family);
  font-size: var(--p234-type-headline-sm-size);
  margin: var(--p234-space-7) 0 var(--p234-space-3);
}
.main p, .main li {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--p234-color-ink);
  max-width: var(--p234-measure-text);
}
.main p { margin: 0 0 var(--p234-space-5); }
.main a { color: var(--p234-color-link); }
.main code {
  font-family: var(--p234-font-family-mono);
  font-size: 0.8125em;
  background: var(--p234-color-paper-sunk);
  padding: 1px 4px;
  border-radius: var(--p234-radius-sm);
}
.main pre {
  background: var(--p234-color-paper-sunk);
  border: var(--p234-border-hairline) solid var(--p234-color-rule);
  border-radius: var(--p234-radius-sm);
  padding: var(--p234-space-5);
  overflow-x: auto;
  margin: 0;
}
.main pre code { background: none; padding: 0; font-size: 0.75rem; line-height: 1.6; }

/* do and don't */
.rule-list { list-style: none; padding: 0; margin: 0 0 var(--p234-space-6); }
.rule-list li {
  position: relative;
  padding-left: var(--p234-space-7);
  margin-bottom: var(--p234-space-4);
}
.rule-list li::before {
  position: absolute;
  left: 0;
  font-weight: 700;
  font-size: 0.875rem;
}
.rule-list--do li::before { content: "Do"; color: var(--p234-color-data-up); }
.rule-list--dont li::before { content: "Not"; color: var(--p234-color-data-down); }

.cols2 { display: grid; gap: var(--p234-space-7); }
@media (min-width: 48rem) { .cols2 { grid-template-columns: 1fr 1fr; } }

/* --- examples ----------------------------------------------------------- */
.ex { margin: 0 0 var(--p234-space-7); border: var(--p234-border-hairline) solid var(--p234-color-rule); border-radius: var(--p234-radius-sm); }
.ex__label {
  font-family: var(--p234-type-caption-family);
  font-size: var(--p234-type-caption-size);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--p234-color-ink-subtle);
  margin: 0;
  padding: var(--p234-space-4) var(--p234-space-5);
  border-bottom: var(--p234-border-hairline) solid var(--p234-color-rule);
  max-width: none;
}
.ex__preview { padding: var(--p234-space-6); background: var(--p234-color-paper); }
.ex__code { border-top: var(--p234-border-hairline) solid var(--p234-color-rule); position: relative; }
.ex__code summary {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--p234-color-ink-muted);
  padding: var(--p234-space-3) var(--p234-space-5);
  cursor: pointer;
}
.ex__code pre { border: 0; border-radius: 0; }
.ex__copy {
  position: absolute;
  right: var(--p234-space-4);
  top: var(--p234-space-3);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--p234-color-paper);
  color: var(--p234-color-ink);
  border: 1px solid var(--p234-color-rule-strong);
  border-radius: var(--p234-radius-sm);
  padding: 2px var(--p234-space-3);
  cursor: pointer;
  z-index: 1;
}

/* --- generated blocks ---------------------------------------------------- */
.sw-grid { display: grid; gap: var(--p234-space-5); grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); margin-bottom: var(--p234-space-7); }
.sw { display: flex; gap: var(--p234-space-4); }
.sw__chips { display: flex; flex-shrink: 0; border: 1px solid var(--p234-color-rule); border-radius: var(--p234-radius-sm); overflow: hidden; height: 2.75rem; }
.sw__chip { width: 1.6rem; display: block; }
.sw__var { font-family: var(--p234-font-family-mono); font-size: 0.75rem; display: block; word-break: break-all; background: none; padding: 0; }
.sw__vals { font-family: var(--p234-font-family-mono); font-size: 0.6875rem; color: var(--p234-color-ink-muted); display: flex; gap: var(--p234-space-2); align-items: center; margin-top: 2px; flex-wrap: wrap; }
.sw__ratio { color: var(--p234-color-ink); font-weight: 600; }
.sw__note { font-size: 0.75rem; line-height: 1.45; color: var(--p234-color-ink-subtle); margin: var(--p234-space-2) 0 0; }

.spec { display: grid; gap: var(--p234-space-4); padding: var(--p234-space-6) 0; border-top: var(--p234-border-hairline) solid var(--p234-color-rule); }
@media (min-width: 60rem) { .spec { grid-template-columns: 14rem 1fr; gap: var(--p234-space-7); align-items: baseline; } }
.spec__meta code { font-family: var(--p234-font-family-mono); font-size: 0.8125rem; display: block; background: none; padding: 0; }
.spec__meta span { font-family: var(--p234-font-family-mono); font-size: 0.6875rem; color: var(--p234-color-ink-muted); }
.spec__meta p { font-size: 0.75rem; line-height: 1.45; color: var(--p234-color-ink-subtle); margin: var(--p234-space-3) 0 0; }
.spec__demo { color: var(--p234-color-ink); max-width: var(--p234-measure-wide); }

table.scale { width: 100%; border-collapse: collapse; margin-bottom: var(--p234-space-7); }
table.scale td { padding: var(--p234-space-3) var(--p234-space-4) var(--p234-space-3) 0; border-bottom: var(--p234-border-hairline) solid var(--p234-color-rule); vertical-align: middle; font-size: 0.8125rem; }
table.scale code { font-family: var(--p234-font-family-mono); font-size: 0.75rem; background: none; padding: 0; }
table.scale .num { font-variant-numeric: tabular-nums; color: var(--p234-color-ink-muted); white-space: nowrap; }
table.scale .note { color: var(--p234-color-ink-subtle); font-size: 0.75rem; }
.bar { display: block; height: 0.75rem; background: var(--p234-color-brand); border-radius: 1px; }
.box { display: block; width: 2.5rem; height: 1.5rem; background: var(--p234-color-brand-tint); border: 1px solid var(--p234-color-brand); }
.line { display: block; width: 3rem; border-top-style: solid; border-top-color: var(--p234-color-ink); }

/* The widget map. Three real columns, so there is no empty demo cell the way
   there is when table.scale is borrowed for something that is not a scale. */
table.map { width: 100%; border-collapse: collapse; margin-bottom: var(--p234-space-7); }
table.map th {
  text-align: left;
  font-family: var(--p234-type-kicker-family);
  font-size: var(--p234-type-kicker-size);
  font-weight: 700;
  letter-spacing: var(--p234-type-kicker-tracking);
  text-transform: uppercase;
  color: var(--p234-color-ink-muted);
  padding: 0 var(--p234-space-4) var(--p234-space-3) 0;
  border-bottom: var(--p234-border-thick) solid var(--p234-color-ink);
}
table.map td {
  padding: var(--p234-space-4) var(--p234-space-4) var(--p234-space-4) 0;
  border-bottom: var(--p234-border-hairline) solid var(--p234-color-rule);
  vertical-align: top;
  font-size: 0.875rem;
  line-height: 1.5;
}
table.map td:first-child { width: 15rem; }
table.map td:nth-child(2) { width: 6.5rem; }
table.map code { font-family: var(--p234-font-family-mono); font-size: 0.75rem; background: none; padding: 0; }
table.map td:last-child { color: var(--p234-color-ink-muted); }

.tagx {
  display: inline-block;
  font-family: var(--p234-type-ui-sm-family);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px var(--p234-space-3);
  border-radius: var(--p234-radius-pill);
  white-space: nowrap;
}
.tagx--maps { color: var(--p234-color-ink-muted); border: 1px solid var(--p234-color-rule-strong); }
.tagx--new { color: var(--p234-color-brand); border: 1px solid var(--p234-color-brand); background: var(--p234-color-brand-tint); }
.tagx--keeps { color: var(--p234-color-ink-subtle); border: 1px dashed var(--p234-color-rule-strong); }
.tagx--drops { color: var(--p234-color-data-down); border: 1px solid var(--p234-color-data-down); }

@media (max-width: 40rem) {
  table.map, table.map tbody, table.map tr, table.map td { display: block; width: auto; }
  table.map thead { display: none; }
  table.map tr { border-bottom: var(--p234-border-hairline) solid var(--p234-color-rule); padding: var(--p234-space-4) 0; }
  table.map td { border: 0; padding: 0 0 var(--p234-space-2); width: auto; }
}

.uses { border-top: var(--p234-border-thick) solid var(--p234-color-ink); padding-top: var(--p234-space-4); margin-top: var(--p234-space-8); }
.uses__title {
  font-family: var(--p234-type-kicker-family);
  font-size: var(--p234-type-kicker-size);
  font-weight: 700;
  letter-spacing: var(--p234-type-kicker-tracking);
  text-transform: uppercase;
  color: var(--p234-color-ink-muted);
  margin: 0 0 var(--p234-space-4);
}
.uses__list { display: flex; flex-wrap: wrap; gap: var(--p234-space-3); }
.uses__chip { font-family: var(--p234-font-family-mono); font-size: 0.6875rem; background: var(--p234-color-paper-sunk); border-radius: var(--p234-radius-sm); padding: 2px var(--p234-space-3); }

/* --- index cards --------------------------------------------------------- */
.cards { display: grid; gap: var(--p234-space-5); grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); }
.card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: var(--p234-border-hairline) solid var(--p234-color-rule);
  border-top: var(--p234-border-thick) solid var(--p234-color-ink);
  border-radius: 0 0 var(--p234-radius-sm) var(--p234-radius-sm);
  padding: var(--p234-space-5);
}
.card:hover { background: var(--p234-color-paper-alt); }
.card h3 { font-family: var(--p234-type-headline-xs-family); font-size: var(--p234-type-headline-xs-size); margin: 0 0 var(--p234-space-3); }
.card p { font-size: 0.8125rem; line-height: 1.5; color: var(--p234-color-ink-muted); margin: 0; }

/* --- footer -------------------------------------------------------------- */
.foot { border-top: var(--p234-border-hairline) solid var(--p234-color-rule); margin-top: var(--p234-space-9); }
.foot__in { max-width: var(--p234-layout-container); margin: 0 auto; padding: var(--p234-space-7) var(--p234-layout-gutter); }
.foot p { font-size: 0.75rem; color: var(--p234-color-ink-muted); margin: 0 0 var(--p234-space-3); max-width: var(--p234-measure-text); }
.foot code { font-family: var(--p234-font-family-mono); background: none; padding: 0; }