/* SPDX-License-Identifier: Apache-2.0 */
/* Block reference pages (generated by scripts/build-block-docs.tsx). Builds on site.css. */

.docs-wrap { width: min(calc(100% - 2.5rem), 1360px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.nav-links a.is-current { color: var(--ink); }
.docs .icon { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; display: inline-block; flex: none; }
.docs code { font: 0.86em var(--mono); background: var(--panel-2); border: 1px solid var(--line-soft); border-radius: 5px; padding: 0.08em 0.36em; color: var(--ink); overflow-wrap: anywhere; }
.docs kbd { font: 0.8em var(--mono); padding: 0.1em 0.45em; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; background: var(--panel); color: var(--ink); }
.docs .mono { font-family: var(--mono); font-size: 0.92em; }
.docs .muted { color: var(--muted); }
.docs .port { display: inline-block; flex: none; width: 10px; height: 10px; }
.docs .port.translational { width: 7px; }
.docs .port.thermal { transform: rotate(45deg) scale(0.8); }

/* Search field */
.search { position: relative; display: flex; align-items: center; }
.search .icon { position: absolute; left: 0.75rem; color: var(--faint); pointer-events: none; }
.search input { width: 100%; font: inherit; font-size: 0.9rem; color: var(--ink); background: var(--bg-2); border: 1px solid var(--line); border-radius: 9px; padding: 0.5rem 0.75rem 0.5rem 2.1rem; outline: none; transition: border-color 0.15s, box-shadow 0.15s; }
.search input::placeholder { color: var(--faint); }
.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.search.big { max-width: 560px; margin-top: 2rem; }
.search.big input { font-size: 1.02rem; padding: 0.85rem 1rem 0.85rem 2.7rem; border-radius: 12px; background: color-mix(in srgb, var(--panel) 85%, transparent); }
.search.big .icon { left: 1rem; width: 18px; height: 18px; }

/* Three-column shell: library, page, contents */
.docs-shell { display: grid; grid-template-columns: 250px minmax(0, 1fr) 190px; grid-template-areas: 'nav main toc'; gap: 3rem; align-items: start; padding: 2.2rem 0 5rem; }
.docs-main { grid-area: main; min-width: 0; }
.docs-nav { grid-area: nav; position: sticky; top: 64px; max-height: calc(100vh - 64px); overflow-y: auto; padding: 0 0.4rem 2rem 0; margin-top: -0.4rem; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.docs-toc { grid-area: toc; position: sticky; top: 88px; font-size: 0.84rem; }

.docs-nav-inner { display: grid; gap: 0.15rem; }
.docs-nav .search { position: sticky; top: 0; z-index: 1; margin-bottom: 0.5rem; padding: 0.4rem 0 0.5rem; background: var(--bg); }
.docs-nav-all { display: flex; justify-content: space-between; padding: 0.35rem 0.6rem; margin-bottom: 0.4rem; border-radius: 7px; text-decoration: none; font-size: 0.88rem; color: var(--muted); }
.docs-nav-all:hover { color: var(--ink); background: var(--panel); }
.docs-nav summary, .docs-nav-all span { font-size: 0.88rem; }
.docs-nav summary { display: flex; align-items: center; gap: 0.5rem; padding: 0.35rem 0.6rem; border-radius: 7px; cursor: pointer; list-style: none; color: var(--ink); font-weight: 560; }
.docs-nav summary::-webkit-details-marker { display: none; }
.docs-nav summary::before { content: ''; width: 6px; height: 6px; border-right: 1.5px solid var(--faint); border-bottom: 1.5px solid var(--faint); transform: rotate(-45deg); transition: transform 0.15s; margin-right: 0.15rem; }
.docs-nav details[open] > summary::before { transform: rotate(45deg); }
.docs-nav summary:hover { background: var(--panel); }
.docs-nav summary span, .docs-nav-all span { margin-left: auto; font: 0.72rem var(--mono); color: var(--faint); }
.docs-nav ul { margin: 0.1rem 0 0.5rem 0.9rem; padding-left: 0.55rem; border-left: 1px solid var(--line-soft); }
.docs-nav li a { display: block; padding: 0.22rem 0.6rem; border-radius: 6px; text-decoration: none; font-size: 0.86rem; color: var(--muted); line-height: 1.4; }
.docs-nav li a:hover { color: var(--ink); background: var(--panel); }
.docs-nav li a[aria-current='page'] { color: var(--ink); background: var(--panel-2); box-shadow: inset 2px 0 0 var(--accent); }
.docs-nav-empty { padding: 0.6rem; color: var(--faint); font-size: 0.86rem; }

.docs-toc p { font: 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); margin-bottom: 0.7rem; }
.docs-toc ul { display: grid; gap: 0.1rem; border-left: 1px solid var(--line-soft); }
.docs-toc a { display: block; padding: 0.25rem 0 0.25rem 0.9rem; margin-left: -1px; border-left: 1px solid transparent; text-decoration: none; color: var(--muted); }
.docs-toc a:hover { color: var(--ink); }
.docs-toc a.is-active { color: var(--ink); border-left-color: var(--accent); }

/* Block page */
.block-doc { max-width: 820px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 0.5rem; font: 0.78rem var(--mono); color: var(--faint); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.block-head { margin-top: 1rem; }
.block-head h1 { font-size: clamp(2.1rem, 4.4vw, 3.1rem); }
.docs .lede { margin-left: 0; margin-right: 0; }
.block-head .lede { margin-top: 0.9rem; font-size: 1.12rem; line-height: 1.55; color: var(--muted); max-width: 44rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.3rem; }
.chip { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.26rem 0.7rem; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-2); font-size: 0.8rem; color: var(--ink); text-transform: none; }
.chip.quiet { color: var(--muted); font-family: var(--mono); font-size: 0.74rem; }

/* The drawing sheet: the block as the canvas draws it */
.sheet { margin: 2rem 0 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #f8f9fc; box-shadow: 0 24px 60px -30px rgb(0 0 0 / 70%); }
.sheet-canvas { display: grid; place-items: center; min-height: 280px; padding: 3rem 2rem; background-color: #f8f9fc; background-image: radial-gradient(#d3d9e3 1px, transparent 1.2px); background-size: 16px 16px; background-position: 8px 8px; overflow-x: auto; }
.sheet-stage { position: relative; display: block; flex: none; }
.sheet-stage > .block-preview { position: absolute; left: 0; top: 0; transform: scale(var(--k)); transform-origin: 0 0; }
.title-block { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid #d7dde6; background: #fff; color: #273f50; font-size: 0.86rem; }
.title-block > span { display: grid; gap: 0.1rem; padding: 0.6rem 1rem; border-left: 1px solid #e4e7ee; min-width: 0; overflow-wrap: anywhere; }
.title-block > span:first-child { border-left: 0; font-weight: 600; }
.title-block small { font: 0.66rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: #7b8192; font-weight: 400; }
.title-block code { background: #f0f1fa; border-color: #e4e7ee; color: #273f50; justify-self: start; }

/* Sections */
.doc-section { margin-top: 3rem; }
.doc-section h2 { font-size: 1.4rem; letter-spacing: -0.02em; margin-bottom: 1rem; scroll-margin-top: 5rem; }
.doc-section h2 .anchor { text-decoration: none; }
.doc-section h2 .anchor:hover::after { content: ' #'; color: var(--faint); font-weight: 400; }
.doc-section h3 { display: flex; align-items: center; gap: 0.5rem; margin: 1.6rem 0 0.6rem; font: 0.74rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.doc-section h3 .count { color: var(--faint); }
.port-group:first-of-type h3 { margin-top: 0; }
.prose p { color: #c3cdd7; font-size: 1.02rem; line-height: 1.7; }
.prose p + p { margin-top: 0.9rem; }

.entries { border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); overflow: hidden; }
.entry { padding: 0.85rem 1.1rem; border-top: 1px solid var(--line-soft); }
.entry:first-child { border-top: 0; }
.entry-head { display: flex; flex-wrap: wrap; align-items: center; gap: 0.3rem 0.6rem; }
.entry-head strong { font-weight: 600; }
.entry-head code.id { font-size: 0.78rem; color: var(--muted); }
.entry-meta { margin-left: auto; font-size: 0.82rem; color: var(--muted); }
.entry p { margin-top: 0.35rem; color: #b6c1cc; font-size: 0.93rem; line-height: 1.6; }
.entry p.range { font: 0.78rem var(--mono); color: var(--faint); margin-top: 0.25rem; }
.params .value { margin-left: auto; font: 0.9rem var(--mono); color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 7px; padding: 0.1rem 0.55rem; }
.params .unit { color: var(--muted); }

.code-card { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); overflow: hidden; }
.code-label { padding: 0.5rem 1rem; border-bottom: 1px solid var(--line); font: 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); background: var(--bg-2); }
.code-card pre { margin: 0; padding: 1rem 1.1rem; font: 0.86rem/1.75 var(--mono); color: var(--ink); white-space: pre-wrap; overflow-wrap: anywhere; }
.code-card pre.source { font-size: 0.78rem; max-height: 30rem; overflow: auto; }

.impl-card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); }
.impl-card > div { display: grid; gap: 0.35rem; min-width: 0; }
.impl-card small { font: 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); }
.impl-card code { justify-self: start; font-size: 0.9rem; }
.impl-card .button .icon { width: 14px; height: 14px; }

.callout-box { padding: 1rem 1.2rem 1rem 1.1rem; border: 1px solid var(--line); border-left-width: 3px; border-radius: 10px; }
.callout-box ul { list-style: none; display: grid; gap: 0.6rem; }
.callout-box li { position: relative; padding-left: 1.1rem; color: #c3cdd7; font-size: 0.95rem; line-height: 1.6; }
.callout-box li::before { content: ''; position: absolute; left: 0; top: 0.62em; width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: 0.6; }
.callout-box.warn { border-left-color: var(--electrical); background: color-mix(in srgb, var(--electrical) 6%, var(--bg)); }
.callout-box.warn li::before { background: var(--electrical); opacity: 1; }
.callout-box.tip { border-left-color: var(--mechanical); background: color-mix(in srgb, var(--mechanical) 6%, var(--bg)); }
.callout-box.tip li::before { background: var(--mechanical); opacity: 1; }

.example-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.8rem; }
.example-list li { padding: 0.35rem 0.8rem; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-2); font-size: 0.88rem; }

/* Cards with a block thumbnail (index and See also) */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 0.7rem; }
.cards.related { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.card { display: flex; gap: 0.9rem; align-items: flex-start; height: 100%; padding: 0.8rem; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); text-decoration: none; transition: border-color 0.15s, background 0.15s, transform 0.15s; }
.card:hover { border-color: #33485c; background: var(--panel); transform: translateY(-1px); }
.thumb { display: grid; place-items: center; flex: none; width: 76px; height: 60px; border-radius: 8px; background-color: #f8f9fc; background-image: radial-gradient(#dfe3ea 1px, transparent 1.2px); background-size: 8px 8px; border: 1px solid #2a3947; overflow: hidden; }
.card-text { display: grid; gap: 0.2rem; min-width: 0; }
.card-text strong { font-weight: 600; font-size: 0.95rem; line-height: 1.3; }
.card-text > span:not(.card-domains) { color: var(--muted); font-size: 0.84rem; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-domains { display: flex; gap: 0.35rem; margin-top: 0.3rem; }
.card-domains .port { width: 8px; height: 8px; }
.card-domains .port.translational { width: 6px; }

.offline-hint { margin-top: 3.5rem; font-size: 0.88rem; color: var(--faint); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; margin-top: 1.2rem; }
.pager a { display: grid; gap: 0.15rem; padding: 0.9rem 1.1rem; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; font-weight: 600; transition: border-color 0.15s; }
.pager a:hover { border-color: var(--accent); }
.pager small { font: 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); font-weight: 400; }
.pager .prev small::before { content: '← '; }
.pager .next { grid-column: 2; text-align: right; }
.pager .next small::after { content: ' →'; }

/* Index */
.docs-index .index-hero { position: relative; padding: 4.5rem 0 2.5rem; overflow: hidden; }
.docs-index .grid-bg { height: 620px; }
.index-hero h1 { margin-top: 0.9rem; font-size: clamp(2.4rem, 5.6vw, 4rem); }
.index-hero .kicker { margin-bottom: 0; }
.index-hero .lede { margin-top: 1.1rem; max-width: 40rem; font-size: 1.12rem; color: var(--muted); }
.category-chips { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.6rem; }
.category-chips a { display: inline-flex; gap: 0.45rem; padding: 0.3rem 0.75rem; border: 1px solid var(--line); border-radius: 999px; background: color-mix(in srgb, var(--bg-2) 80%, transparent); text-decoration: none; font-size: 0.86rem; color: var(--ink); transition: border-color 0.15s; }
.category-chips a:hover { border-color: var(--accent); }
.category-chips span { font: 0.72rem/1.9 var(--mono); color: var(--faint); }
.index-body { padding-bottom: 5rem; }
.index-category { padding-top: 2.8rem; scroll-margin-top: 4.5rem; }
.index-category header { display: flex; align-items: baseline; flex-wrap: wrap; gap: 0.4rem 0.9rem; padding-bottom: 0.9rem; margin-bottom: 1rem; border-bottom: 1px solid var(--line-soft); }
.index-category h2 { font-size: 1.5rem; letter-spacing: -0.02em; }
.index-category header p { color: var(--muted); font-size: 0.92rem; }
.index-category .count { margin-left: auto; font: 0.78rem var(--mono); color: var(--faint); }
.index-empty { padding: 3rem 0; color: var(--muted); }
[hidden] { display: none !important; }

@media (max-width: 1240px) {
  .docs-shell { grid-template-columns: 240px minmax(0, 1fr); grid-template-areas: 'nav main'; gap: 2.5rem; }
  .docs-toc { display: none; }
}
@media (max-width: 900px) {
  .docs-shell { grid-template-columns: minmax(0, 1fr); grid-template-areas: 'main' 'nav'; gap: 0; padding-top: 1.5rem; }
  .docs-nav { position: static; max-height: none; overflow: visible; margin-top: 3rem; padding: 1.5rem 0 0; border-top: 1px solid var(--line); }
  .docs-nav::before { content: 'Browse the library'; display: block; margin-bottom: 0.9rem; font-weight: 650; font-size: 1.2rem; letter-spacing: -0.02em; }
  .sheet-canvas { min-height: 200px; padding: 2rem 1rem; }
  .title-block { grid-template-columns: 1fr 1fr; }
  .title-block > span:first-child { grid-column: 1 / -1; border-bottom: 1px solid #e4e7ee; }
  .title-block > span:nth-child(2) { border-left: 0; }
  .entry-meta, .params .value { margin-left: 0; }
  .entry-head { row-gap: 0.4rem; }
  .params .entry-head .value { flex-basis: auto; }
  .docs-index .index-hero { padding-top: 3rem; }
}
@media (max-width: 520px) {
  .pager { grid-template-columns: 1fr; }
  .pager .next { grid-column: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .card, .card:hover { transition: none; transform: none; }
}

/* Example diagram: the example model drawn as the canvas draws it */
.example-title { color: #c3cdd7; font-size: 0.98rem; line-height: 1.6; }
.example-title strong { color: var(--ink); margin-right: 0.3rem; }
.example-sheet { margin: 1rem 0 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #f8f9fc; }
.example-canvas { padding: 1.2rem; overflow-x: auto; background-color: #f8f9fc; background-image: radial-gradient(#d3d9e3 1px, transparent 1.2px); background-size: 16px 16px; }
.example-scale { position: relative; display: block; margin: 0 auto; }
.example-scale > .diagram { position: absolute; left: 0; top: 0; transform: scale(var(--k)); transform-origin: 0 0; }
.diagram { display: block; }
.diagram-wires { position: absolute; left: 0; top: 0; overflow: visible; }
.diagram-wires polyline { fill: none; stroke-width: 1.5; stroke-linejoin: round; }
.diagram-wires polyline.is-bus { stroke-width: 3.4; }
.diagram-wires .diagram-terminator { fill: none; stroke: #4b6273; stroke-width: 1.5; stroke-linecap: round; }
.diagram-block { position: absolute; }
.diagram-turn { position: absolute; left: 50%; top: 50%; }
.diagram-name { position: absolute; transform: translateX(-50%); font: 12px/20px var(--font-ui); color: #273f50; white-space: nowrap; }
.example-sheet figcaption { padding: 0.75rem 1rem; border-top: 1px solid #d7dde6; background: #fff; color: #4b5d6b; font-size: 0.86rem; line-height: 1.55; }
.example-sheet figcaption kbd { background: #f0f1fa; color: #273f50; border-color: #d7dde6; }
.example-sheet figcaption strong { color: #273f50; }
.example-others { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; margin-top: 0.9rem; font-size: 0.86rem; color: var(--muted); }
.example-others span { margin-right: 0.2rem; }
.example-others a { padding: 0.15rem 0.6rem; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--ink); background: var(--bg-2); }
.example-others a:hover { border-color: var(--accent); }