/*
 * CKS reference layout: header, type navigation, catalog tables, entry pages and on-this-page index.
 * Built on tokens.css and shell.css, the same files as the Starlight pages, so both renderers look alike.
 * Visual language adapted from imperivm-resurrected-web (MIT, (c) 2026 Saúl Rodríguez, commit 66183a904ce7).
 */
html { scroll-padding-top: calc(var(--header-height) + 1.5rem); }
body { margin: 0; font: 16px/1.6 var(--f-text); }
*, *::before, *::after { box-sizing: border-box; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
code { font-family: var(--f-mono); font-size: .88em; }
p { margin: .6rem 0 1rem; }
a { color: var(--accent-text); }
a:hover { color: var(--accent-text-hover); }
.skip { position: fixed; left: 1rem; top: -100px; z-index: 30; padding: .6rem 1rem; background: var(--ink); color: var(--paper); }
.skip:focus { top: 1rem; }

/* Header, matching Starlight's */
.cks-header {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem);
  height: var(--header-height); padding: 0 1.5rem; background: var(--paper); border-bottom: 1px solid var(--hairline);
}
.cks-search {
  flex: 1 1 auto; max-width: 28rem; display: flex; align-items: center; gap: .6rem; height: 2.5rem; padding: 0 .8rem;
  border: 1px solid var(--mid); background: var(--paper); color: var(--gray-2); font-size: .95rem; text-align: left;
}
.cks-search:hover { border-color: var(--ink); color: var(--ink); }
.cks-search svg { width: 1rem; height: 1rem; flex: none; }
.cks-header .wiki-nav { margin-left: auto; }
.cks-header__tools { display: flex; align-items: center; gap: 1rem; padding-left: 1rem; border-left: 1px solid var(--hairline); }
.cks-lang { color: var(--ink); font-size: .9rem; font-weight: 600; text-decoration: none; }
.cks-lang:hover { color: var(--accent-text); }
.cks-lang__short { display: none; }
.cks-search-dialog { width: min(46rem, calc(100vw - 2rem)); max-height: calc(100dvh - 4rem); margin-top: 4rem; padding: 1.25rem; border: 1px solid var(--line); background: var(--paper); color: var(--ink); }
.cks-search-dialog::backdrop { background: color-mix(in srgb, #000 60%, transparent); }
.cks-search-dialog__bar { display: flex; justify-content: flex-end; margin-bottom: .75rem; }
.cks-search-dialog .wiki-button { padding: .55rem .9rem; font-size: .9rem; }
.cks-search-dialog .pagefind-ui {
  --pagefind-ui-primary: var(--accent-text); --pagefind-ui-text: var(--ink-soft); --pagefind-ui-background: var(--paper);
  --pagefind-ui-border: var(--mid); --pagefind-ui-tag: var(--box); --pagefind-ui-border-radius: 0; --pagefind-ui-font: var(--f-text);
}

/* Three columns, as in Starlight */
.layout { display: grid; grid-template-columns: 18.5rem minmax(0, 1fr) 15rem; }
.sidebar { position: sticky; top: var(--header-height); height: calc(100dvh - var(--header-height)); overflow: auto; padding: 1.75rem 1.25rem 2rem; border-right: 1px solid var(--line); }
.back { display: block; font-size: .9rem; text-decoration: none; margin-bottom: .5rem; }
.nav-search { display: block; margin: 1rem 0 .5rem; font: 600 .72rem/1.3 var(--f-text); letter-spacing: .08em; text-transform: uppercase; color: var(--gray); }
.nav-label { margin: 1.5rem 0 .5rem; font: 800 .68rem/1.3 var(--f-text); letter-spacing: .2em; text-transform: uppercase; color: var(--ink); }
.type-nav { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .35rem .5rem .35rem .75rem; border-left: 2px solid transparent; color: var(--ink-soft); text-decoration: none; }
.type-nav code { font-size: .9rem; }
.type-nav span { font-size: .75rem; color: var(--gray-2); }
.type-nav:hover { color: var(--accent-text); }
.type-nav.selected { border-left-color: var(--accent-text); color: var(--accent-text); font-weight: 600; }
.nav-toggle { display: none; }
main { min-width: 0; padding: 1.75rem clamp(1.25rem, 3vw, 3rem) 2.5rem; }
.toc { position: sticky; top: var(--header-height); align-self: start; padding: 1.25rem 1rem 2rem; border-left: 1px solid var(--hairline); font-size: .85rem; }
.toc nav { display: flex; flex-direction: column; gap: .5rem; }
.toc a { color: var(--gray); text-decoration: none; }
.toc a:hover { color: var(--accent-text); }
.toc-note { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--hairline); font-size: .78rem; color: var(--gray-2); }

/* Titles and metrics */
.breadcrumb { display: flex; gap: .5rem; align-items: center; margin-bottom: 1.5rem; font-size: .85rem; color: var(--gray); }
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--accent-text); }
.title-line { display: flex; gap: 1rem; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: .75rem; font: 800 .7rem/1 var(--f-text); letter-spacing: .2em; text-transform: uppercase; color: var(--accent-text); }
.eyebrow::before { content: ""; width: 24px; height: 1px; background: currentColor; }
.badge { padding: .2rem .5rem; border: 1px solid var(--mid); font: 600 .68rem/1.3 var(--f-text); letter-spacing: .12em; text-transform: uppercase; color: var(--gray); white-space: nowrap; }
.badge.pending { display: inline-block; margin: .3rem 0 0 .4rem; border-color: var(--accent-text); color: var(--accent-text); }
h1, h2 { color: var(--ink); }
h1 { margin: .8rem 0 1rem; font: 400 clamp(2.6rem, 5.4vw, 4.4rem)/.9 var(--f-headline); text-transform: uppercase; -webkit-text-stroke: .012em currentColor; paint-order: stroke fill; overflow-wrap: anywhere; }
h1.entry-title { text-transform: none; letter-spacing: .005em; }
h2 { margin: 0; font: 750 clamp(1.5rem, 2.2vw, 2rem)/1.05 var(--f-text); font-stretch: 70%; letter-spacing: -.005em; word-spacing: .05em; }
.intro { max-width: 68ch; font-size: 1.1rem; line-height: 1.6; color: var(--ink-soft); }
.metrics { display: flex; flex-wrap: wrap; margin: 1.5rem 0 2rem; border-top: 1px solid var(--line); }
.metrics span { padding: 1rem 1.5rem .25rem 0; margin-right: 1.5rem; border-right: 1px solid var(--hairline); font: 600 .7rem/1.3 var(--f-text); letter-spacing: .16em; text-transform: uppercase; color: var(--gray); }
.metrics span:last-child { border-right: 0; }
.metrics strong { display: block; margin-bottom: .4rem; font: 400 clamp(2.4rem, 4vw, 3.6rem)/.9 var(--f-headline); letter-spacing: 0; color: var(--ink); }
.section-tabs { display: flex; gap: 1.5rem; margin: .5rem 0 1.5rem; border-bottom: 1px solid var(--hairline); }
.section-tabs a { padding: .5rem 0 .65rem; color: var(--ink); font-size: .9rem; text-decoration: none; }
.section-tabs a:first-child { box-shadow: 0 2px 0 var(--accent-text); }

/* Filters */
.filter-bar { display: flex; flex-wrap: wrap; align-items: end; gap: .8rem 1rem; margin-bottom: 2rem; padding: 1.1rem 1.25rem; border: 1px solid var(--line); background: var(--box); }
.query-label, .select-label { font: 600 .72rem/1.3 var(--f-text); letter-spacing: .08em; text-transform: uppercase; color: var(--gray); }
.query-label { flex: 1 0 100%; }
input[type=search], select { display: block; width: 100%; margin-top: .35rem; padding: .6rem .75rem; border: 1px solid var(--mid); border-radius: 0; background: var(--paper); color: var(--ink); font-size: .95rem; text-transform: none; letter-spacing: 0; }
input::placeholder { color: var(--gray-2); opacity: 1; }
input[type=checkbox] { accent-color: var(--accent); margin: 0 .4rem 0 0; }
.check-label { display: flex; align-items: center; min-height: 30px; font-size: .85rem; color: var(--ink-soft); }
.catalog-selects { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; width: 100%; }
.filter-bar button, .signature-block button { padding: .5rem .85rem; border: 1px solid var(--ink); background: transparent; color: var(--ink); font-size: .85rem; }
.filter-bar button:hover, .signature-block button:hover { background: var(--ink); color: var(--paper); }
#filter-status { width: 100%; margin: 0; font-size: .8rem; color: var(--gray); }

/* Sections and tables */
section { margin-bottom: 3rem; scroll-margin-top: calc(var(--header-height) + 1.5rem); }
.section-heading { display: flex; align-items: center; gap: .8rem; margin-bottom: .75rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.count { padding: .15rem .5rem; border: 1px solid var(--mid); font-size: .75rem; color: var(--gray); }
.section-intro { font-size: .9rem; color: var(--gray); }
.table-scroll { overflow-x: auto; border-top: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; text-align: left; }
th { padding: .7rem .75rem; border-bottom: 1px solid var(--line); font: 800 .68rem/1.3 var(--f-text); letter-spacing: .14em; text-transform: uppercase; color: var(--ink); }
td { padding: .85rem .75rem; vertical-align: top; border-bottom: 1px solid var(--hairline); }
td:first-child { width: 27%; min-width: 130px; }
td > code { overflow-wrap: anywhere; line-height: 1.8; color: var(--ink); }
tbody tr:hover td { background: var(--box); }
.type-link { color: var(--accent-text); }
.row-family { display: block; margin-top: .3rem; font: 600 .66rem/1 var(--f-text); letter-spacing: .14em; text-transform: uppercase; color: var(--gray-2); }
.row-summary { margin: .35rem 0 0; max-width: 75ch; font-size: .88rem; line-height: 1.6; color: var(--ink-soft); }
.member-link { font-weight: 600; text-decoration: none; }
details summary { cursor: pointer; color: var(--accent-text); font-weight: 600; }
details p { font-size: .88rem; overflow-wrap: anywhere; }
details[open] { min-width: 155px; }
.detail-link { font-size: .85rem; }
.usage-note { padding: .8rem 1rem; border-left: 3px solid var(--accent-text); background: var(--box); font-size: .92rem; white-space: pre-line; }
.limits { padding-top: 1.25rem; border-top: 1px solid var(--line); font-size: .9rem; color: var(--gray); }
.type-index { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 1rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.type-index a { display: flex; justify-content: space-between; gap: .5rem; padding: .7rem .8rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; font-size: .9rem; }
.type-index a:hover { background: var(--accent); color: var(--on-accent); }
.type-index a:hover span { color: var(--on-accent); }
.type-index span { font-size: .78rem; color: var(--gray-2); }
.empty, .no-results { padding: 1rem 0; font-size: .9rem; color: var(--gray); }

/* Entry page */
.signature-block { display: flex; flex-wrap: wrap; align-items: stretch; background: var(--pre-background); color: var(--pre-ink); }
.signature-block code { flex: 1; min-width: 0; padding: 1rem 1.1rem; overflow-wrap: anywhere; font-size: 1.05rem; }
.signature-block .type-link { color: var(--pre-type); }
.signature-block button { border: 0; border-left: 1px solid #3a3836; color: var(--pre-ink); font: 600 .75rem/1 var(--f-text); letter-spacing: .1em; text-transform: uppercase; padding: 0 1.1rem; }
.signature-block button:hover { background: #26231f; color: #fff; }
.copy-status { width: 100%; padding: 0 1.1rem; font-size: .8rem; color: var(--pre-ink); }
.copy-status:empty { display: none; }
.entry-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; font-size: .9rem; }
.primary-button { display: inline-flex; align-items: center; padding: .7rem 1.1rem; background: var(--accent); border: 1px solid var(--accent); color: var(--on-accent); text-decoration: none; }
.primary-button:hover { background: var(--accent-hover); color: var(--on-accent); }
.entry-tools a { font-size: .9rem; }

/* Responsive */
@media (max-width: 72rem) {
  .layout { grid-template-columns: 16rem minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 60rem) {
  .cks-header .wiki-nav { display: none; }
  .cks-header__tools { margin-left: auto; }
}
@media (max-width: 50rem) {
  .cks-header { padding: 0 1rem; gap: .75rem; }
  .cks-search { flex: 0 0 auto; width: 2.5rem; padding: 0; justify-content: center; }
  .cks-search span { display: none; }
  .cks-header__tools { padding-left: .75rem; gap: .75rem; }
  .layout { display: block; }
  .sidebar { position: static; height: auto; padding: .75rem 1rem; border-right: 0; border-bottom: 1px solid var(--line); overflow: visible; }
  .nav-toggle { display: block; width: 100%; padding: .65rem .8rem; border: 1px solid var(--mid); background: var(--paper); color: var(--ink); text-align: left; font-size: .9rem; }
  #type-navigation { display: none; max-height: 340px; overflow: auto; margin-top: .7rem; }
  .sidebar.is-open #type-navigation { display: block; }
  main { padding: 1.25rem 1rem 2rem; }
  .catalog-selects { grid-template-columns: 1fr 1fr; gap: .6rem; }
  .catalog-selects label:last-child { grid-column: 1 / -1; }
  .type-index { grid-template-columns: 1fr 1fr; }
  td { padding: .65rem .5rem; }
  td:first-child { min-width: 105px; width: 25%; }
  details[open] { min-width: 0; }
}
@media (max-width: 30rem) {
  .cks-header { gap: .5rem; }
  .cks-header__tools { padding-left: .5rem; gap: .5rem; }
  .cks-lang__long { display: none; }
  .cks-lang__short { display: inline; }
  .signature-block { flex-direction: column; }
  .signature-block button { border-left: 0; border-top: 1px solid #3a3836; padding: .7rem 1.1rem; text-align: left; }
}