/* Workshop body: the approved Parts_Knowledge_Preview layout, with the live site's shell. */
:root{--wash:#faf6ef;--surface:#fff;--subtle:#f7f3ea;--line:#d4cec1;--ink:#393c39;--muted:#5c625d;--key:#514a3e;--top:#f4ece0;--top-ink:#3d382f;--identity:#e9ddc5;--header:#dcd5c8;--accent:#f59e0b;--accent-ink:#171717;--marker:#8b6319;--focus:#91651c;--mono:Consolas,'Liberation Mono',monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:15px/1.65 Inter,'Segoe UI',Arial,sans-serif}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--top-ink);line-height:1.18}h1{font-size:clamp(30px,3.6vw,52px);letter-spacing:-1.6px;font-weight:650}h2{font-size:27px;letter-spacing:-.55px}h3{font-size:19px;letter-spacing:-.2px}a{color:inherit}button,input{font:inherit}svg{vertical-align:middle}a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:3px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;padding:0;border:0}.skip-link{position:fixed;top:8px;left:12px;z-index:100;transform:translateY(-160%);padding:10px 16px;background:#fff;color:#18181b;border:1px solid #d4cec1;border-radius:4px}.skip-link:focus{transform:none}

/* Port of the homepage/model-page navigation and footer; only the body is Workshop. */
.site-container{max-width:1440px;margin:0 auto;padding:0 32px}.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid #e4e4e799;background:#faf4eccc;backdrop-filter:blur(16px)}.header-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}.site-logo{flex-shrink:0;display:flex;align-items:center}.site-logo img{height:28px;width:auto;display:block}.desktop-nav{display:flex;align-items:center;gap:4px;padding:6px 8px;border:1px solid #e4e4e7;border-radius:999px;background:#fff;box-shadow:0 1px 2px #0000000d}.desktop-nav a{padding:6px 16px;border-radius:999px;font-size:14px;font-weight:500;color:#3f3f46;text-decoration:none;line-height:20px}.desktop-nav a:hover{background:#f4f4f5;color:#18181b}.header-actions{display:flex;align-items:center;gap:12px}.sign-in{display:inline-flex;align-items:center;padding:0 8px;color:#3f3f46;font-size:14px;font-weight:500;text-decoration:none}.sign-in:hover{color:#18181b}.demo-link{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:999px;padding:8px 20px;background:#18181b;color:#fff;text-decoration:none;font-size:14px;line-height:20px;font-weight:600;box-shadow:0 1px 2px #0000000d;transition:transform .15s,background .15s}.demo-link:hover{background:#27272a;transform:scale(1.02)}.mobile-nav{display:none}.mobile-nav summary{list-style:none;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid #e4e4e7;border-radius:50%;background:#fff;color:#3f3f46;cursor:pointer;box-shadow:0 1px 2px #0000000d}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary svg{height:20px;width:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}.mobile-nav nav{position:absolute;top:calc(100% + 8px);left:24px;right:24px;display:flex;flex-direction:column;gap:4px;padding:12px 8px;border:1px solid #e4e4e7;border-radius:16px;background:#fff;box-shadow:0 10px 15px #0000001a}.mobile-nav nav a{padding:10px 12px;color:#3f3f46;text-decoration:none;font-size:14px;font-weight:500;border-radius:8px}.mobile-nav nav a:hover{background:#f4f4f5}.mobile-nav .mobile-sign-in{display:none}.site-footer{margin-top:64px;border-top:1px solid #e4e4e7;padding:40px 0;background:#faf6ef}.footer-inner{display:flex;flex-direction:column;gap:20px}.legal-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;column-gap:20px;row-gap:8px;color:#71717a;font-size:14px;line-height:20px}.legal-links a,.footer-email{text-decoration:none}.legal-links span{color:#d4d4d8}.legal-links a:hover,.footer-email:hover,.social-links a:hover{color:#18181b}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#71717a;font-size:14px;line-height:20px}.social-links{display:flex;align-items:center;gap:16px}.social-links a{color:#71717a}.social-links svg{height:16px;width:16px}.footer-email{display:inline-flex;align-items:center;gap:6px;color:#71717a}.footer-email svg{height:14px;width:14px}

.breakdown-page{--catalog-accent:#7a5318;--catalog-paper:#fffdf8;--catalog-rule:#dbd4c6;--catalog-tint:#eee7d7;background:#f7f4ec}.breakdown-main{max-width:1264px;padding:27px 28px 52px;margin:auto}.catalog-kicker{color:var(--catalog-accent);font-size:11px;font-weight:750;letter-spacing:.13em;text-transform:uppercase}.reference-hero{padding:28px clamp(20px,3.4vw,42px);background:var(--catalog-tint);border:1px solid var(--catalog-rule);border-radius:9px}.reference-hero h1{margin:11px 0 12px;max-width:900px}.reference-number,.reference-name{display:block}.reference-number{font-family:var(--mono);font-size:.9em;letter-spacing:-.045em}.reference-name{margin-top:5px;font-size:.72em;letter-spacing:-.025em}.reference-lead{max-width:69ch;color:#504d43;font-size:16px}.reading-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,34%);gap:20px;align-items:start}.part-facts{padding:19px 21px;background:var(--catalog-paper);border:1px solid var(--catalog-rule);border-radius:9px}.part-facts h2{font-size:20px;margin-bottom:7px}.part-facts dl{margin:0}.part-facts dl>div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;padding:7px 0;border-bottom:1px solid #e9e3d8;font-size:13px}.part-facts dl>div:last-child{border-bottom:0}.part-facts dt{color:#58574e}.part-facts dd{margin:0;font-weight:650;text-align:right;overflow-wrap:anywhere}.unit-panel{margin-top:25px;padding:clamp(16px,2.6vw,29px);border:1px solid var(--catalog-rule);border-radius:9px;background:var(--catalog-paper)}.unit-panel-heading,.unit-parts-heading{display:flex;justify-content:space-between;align-items:start;gap:12px}.part-knowledge{margin-top:26px}.part-knowledge h2,.unit-panel h2{margin:5px 0 14px;font-size:clamp(21px,3vw,28px)}.knowledge-items{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,216px),1fr));gap:12px}.knowledge-items article{border:1px solid var(--catalog-rule);border-radius:7px;padding:16px;background:var(--catalog-paper)}.knowledge-items h3{font-size:16px;margin-bottom:7px}.knowledge-items p{font-size:14px;color:#55554d}.knowledge-items p+p{margin-top:9px}.catalog-trail{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,154px),1fr));gap:1px;list-style:none;margin:0 0 17px;padding:0;overflow:hidden;background:var(--catalog-rule);border:1px solid var(--catalog-rule);border-radius:5px}.catalog-trail li{padding:9px 12px;background:#f4f0e6;min-width:0}.catalog-trail span{display:block;color:#655a43;text-transform:uppercase;letter-spacing:.08em;font-size:10px;font-weight:700}.catalog-trail strong{display:block;font-size:13px;line-height:1.35;overflow-wrap:anywhere}.catalog-trail p{margin-top:5px;color:#555149;font-size:12px;line-height:1.45}.model-reference-link{display:inline-block;min-height:24px;padding-block:3px;color:#745118;font-weight:700;letter-spacing:normal;text-transform:none;text-decoration:underline;text-underline-offset:.15em;overflow-wrap:anywhere}.model-reference-link span{display:inline;color:inherit;font-size:inherit;letter-spacing:inherit}.unit-body{display:grid;grid-template-columns:minmax(180px,25%) minmax(0,1fr);gap:18px;align-items:start}.diagram-teaser{margin:0;border-radius:6px;overflow:hidden;border:1px solid var(--catalog-rule);background:#f8f5ee}.diagram-art{position:relative;height:121px;display:grid;place-items:center;color:#9f9276;background-color:#eee9de;background-image:linear-gradient(#a9997719 1px,transparent 1px),linear-gradient(90deg,#a9997719 1px,transparent 1px);background-size:14px 14px}.diagram-art>img{display:block;width:100%;height:100%;object-fit:contain;position:absolute;inset:0}.diagram-lock{position:absolute;bottom:8px;right:8px;display:inline-flex;align-items:center;gap:5px;padding:3px 7px;border-radius:4px;background:#37362d;color:#fff;font-size:11px;font-weight:650}.diagram-lock svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.5}.diagram-teaser figcaption{padding:9px 12px 1px;display:flex;flex-direction:column;font-size:13px}.diagram-teaser figcaption span{font-size:11px;color:#55544a}.diagram-access{padding:5px 12px 10px;font-size:11px;color:#544525}.diagram-access summary{cursor:pointer;min-height:31px;line-height:31px;text-decoration:underline}.diagram-access p{margin-top:4px}.diagram-empty{width:100%;height:100%;min-height:94px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:7px;padding:14px;background:#f5f3ee;color:#6b6d62;text-align:center}.diagram-empty>span{font-size:26px;line-height:1}.diagram-empty p{font-size:12px;line-height:1.5}.unit-parts{min-width:0}.unit-parts-heading{margin:0 0 8px;align-items:center}.unit-parts-heading h3{font-size:17px}.unit-parts table{width:100%;border-collapse:collapse;font-size:13px}.unit-parts th,.unit-parts td{padding:9px 10px;text-align:left;border-bottom:1px solid #e8e2d7}.unit-parts thead th{background:#eee9df;color:#4d493d;font-size:11px}.unit-parts tbody th{font:650 13px var(--mono);overflow-wrap:anywhere}.unit-parts th:first-child{width:35%}.unit-parts .focal-row{background:#fbf1d8}.unit-parts-note,.unit-scope{margin-top:10px;font-size:12px;color:#57534a}.unit-scope{padding-left:10px;border-left:2px solid #d8c69f}.catalog-tag{display:inline-flex;align-items:center;border:1px solid #e0d5be;border-radius:3px;padding:4px 6px;background:#f4ecde;color:#5d4b2e;font-size:10px;font-weight:700;white-space:nowrap}.breakdown-text-link{display:inline-flex;min-height:40px;align-items:center;gap:7px;font-size:13px;font-weight:650;color:#745118;text-decoration:none}.breakdown-text-link:hover{text-decoration:underline}.related-diagrams{margin-top:30px;padding-top:22px;border-top:1px solid var(--catalog-rule)}.related-diagrams h2{margin:5px 0 8px;font-size:clamp(21px,3vw,28px)}.related-intro{max-width:70ch;margin-bottom:16px;color:#55554d;font-size:14px}.diagram-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:start;gap:13px;padding:0;margin:0;list-style:none}.related-diagram{border:1px solid var(--catalog-rule);border-radius:8px;background:var(--catalog-paper);min-width:0}.related-diagram-image{position:relative;height:128px;border-radius:7px 7px 0 0;overflow:hidden;border-bottom:1px solid var(--catalog-rule);background:#f3f0e8}.related-diagram-image img{display:block;width:100%;height:100%;object-fit:contain}.related-diagram-copy{padding:14px}.related-diagram-copy h3{margin:5px 0 8px;font-size:16px}.related-diagram-copy>p:not(.catalog-kicker){color:#55554d;font-size:13px}.related-diagram-details{border-top:1px solid var(--catalog-rule);margin-top:11px}.related-diagram-details summary{cursor:pointer;color:#62481d;padding-block:10px;font-size:12px;font-weight:650}.related-diagram-details .catalog-trail{grid-template-columns:minmax(0,1fr);margin-bottom:0}

.layout-workshop{--catalog-accent:#5b6451;--catalog-tint:#e6e9df;--catalog-rule:#cfd4c9;background:#eef0ea}.layout-workshop .reference-hero{padding:20px 25px}.workshop-identity{align-items:stretch}.layout-workshop .reference-hero h1{font-size:clamp(29px,3.2vw,42px)}.layout-workshop .reference-number,.layout-workshop .reference-name{display:inline-block;margin-right:.4em}.layout-workshop .unit-panel{margin-top:16px}.layout-workshop .unit-body{grid-template-columns:minmax(180px,29%) minmax(0,1fr)}.layout-workshop .diagram-art{height:136px;background-color:#e1e8de;color:#718171}

/* Current production wordmark and xl navigation breakpoint (model renderer 97926b3). */
@keyframes wordmark-shine{0%{background-position:-200% center}100%{background-position:200% center}}
.site-logo{height:44px;gap:12px;text-decoration:none}.site-wordmark{display:inline-flex;white-space:nowrap;font-size:17px;line-height:24px;font-weight:500;text-transform:uppercase;letter-spacing:.3em;color:transparent;background-image:linear-gradient(90deg,rgba(24,24,27,.6),rgba(24,24,27,.6) 35%,#18181b 50%,rgba(24,24,27,.6) 65%,rgba(24,24,27,.6));background-size:200% auto;background-clip:text;-webkit-background-clip:text;animation:wordmark-shine 7s ease-in-out infinite}
@media(max-width:1279px){.desktop-nav{display:none}.mobile-nav{display:block}}
@media(max-width:1023px){.site-container{padding-inline:24px}}
@media(max-width:920px){.diagram-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.breakdown-main{padding-inline:16px}.reading-grid{grid-template-columns:minmax(0,1fr);gap:14px}.unit-body,.layout-workshop .unit-body{grid-template-columns:minmax(0,1fr);gap:14px}.diagram-teaser{width:100%;max-width:276px}.diagram-art,.layout-workshop .diagram-art{height:94px}.catalog-trail{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-trail li:last-child:nth-child(odd){grid-column:1/-1}.related-diagram-details .catalog-trail{grid-template-columns:minmax(0,1fr)}.related-diagram-details .catalog-trail li{grid-column:auto}.part-facts dl>div{grid-template-columns:1fr 1fr}}
@media(max-width:639px){.site-container{padding-inline:16px}.header-inner{height:56px}.header-actions{gap:8px}.sign-in{display:none}.demo-link{padding-inline:16px}.mobile-nav .mobile-sign-in{display:block}.mobile-nav nav{left:16px;right:16px}.site-footer{padding-block:32px}.legal-links{font-size:12px}.footer-bottom{flex-direction:column}.reference-hero{min-width:0}}
@media(max-width:480px){.diagram-grid{grid-template-columns:minmax(0,1fr)}.catalog-trail strong,.unit-parts table{font-size:12px}.unit-parts th,.unit-parts td{padding-inline:7px}.unit-parts-heading{flex-wrap:wrap}.reference-number{overflow-wrap:anywhere}.knowledge-items{grid-template-columns:minmax(0,1fr)}}
@media(max-width:639px){.site-wordmark{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.demo-link{transition:none}.site-wordmark{animation:none;background-position:50% center}}
.site-footer .legal-links,.site-footer .footer-bottom,.site-footer .footer-email{color:#64646d}
.diagram[data-preview-kind="model"],.diagram[data-preview-kind="icon"]{background:#f7f4ed;background-image:none}
.diagram[data-preview-kind="model"]>img{padding:10px;object-fit:contain}
.diagram-placeholder{width:100%;height:100%;min-height:94px;padding:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;text-align:center;color:#5c625d}
.diagram-placeholder img{display:block;position:static;width:52px;height:52px;object-fit:contain;opacity:.65}
.diagram-placeholder img[hidden]{display:none}
.diagram-placeholder p{font-size:11px;line-height:1.4}
.preview-label{position:absolute;right:8px;bottom:8px;padding:3px 7px;border:1px solid #dbd4c6;border-radius:4px;background:#fffdf8ed;color:#514a3e;font-size:11px;font-weight:600}
.part-reference-card{margin:0;border:1px solid #e2d8c8;border-radius:6px;overflow:hidden;background:#faf4ec}
.part-reference-card img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}
.part-reference-card figcaption{padding:4px 6px;border-top:1px solid #e2d8c8;color:#655d50;font-size:10px;line-height:1.3}
/* References remain visible even when their catalog unit has no diagram thumbnail. */
.catalog-references{margin-top:20px;padding:clamp(16px,2.6vw,25px);border:1px solid var(--catalog-rule);border-radius:9px;background:var(--catalog-paper)}
.catalog-references h2{margin:5px 0 8px;font-size:clamp(21px,3vw,28px)}
.catalog-references-intro{max-width:85ch;margin-bottom:16px;color:#55554d;font-size:13px}
.catalog-reference-list{list-style:none;margin:0;padding:0;font-size:14px;line-height:1.8;overflow-wrap:anywhere}
.catalog-reference-list>li{display:inline}
.catalog-reference-list>li:not(:last-child)::after{content:" · ";color:#777263}
.catalog-reference-qualifier{color:#57534a}
.catalog-references-more{margin-top:12px}
.catalog-references-more>summary{width:fit-content;min-height:40px;padding:9px 12px;border:1px solid var(--catalog-rule);border-radius:5px;background:#eeeadd;color:#62481d;font-size:13px;font-weight:650;cursor:pointer}
.catalog-references-more[open]>.catalog-reference-list{margin-top:12px}
/* Catalog image and details share one compact left panel; the identity fills the right panel. */
.workshop-identity{grid-template-columns:minmax(0,48%) minmax(0,1fr);align-items:stretch}
.workshop-identity .part-facts{display:grid;grid-template-columns:minmax(150px,.9fr) minmax(0,1.4fr);align-items:center;gap:20px;padding:20px}
.part-facts-details{min-width:0}
.workshop-identity .part-facts{row-gap:10px}
.part-facts-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.part-facts-actions a{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:32px;padding:5px 10px;border:1px solid #d5c9b3;border-radius:5px;background:#fffdf8;color:#684a1c;font-size:11.5px;font-weight:650;line-height:1.5;text-decoration:none;white-space:nowrap}
.part-facts-actions .part-action-suppliers{background:#fff1d6;border-color:#dfc18c}
.part-facts-actions a:hover{background:#eee7d7;border-color:#9b804f}
.part-facts-actions a:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.part-facts-actions a span{font-size:13px;line-height:1}
.part-facts-details h2{margin:0 0 10px}
.part-facts-details dl>div{grid-template-columns:minmax(84px,.8fr) minmax(0,1.2fr);gap:8px}
.workshop-identity .reference-hero{display:flex;flex-direction:column;justify-content:center;min-width:0;padding:20px 24px}
.layout-workshop .workshop-identity .reference-hero h1{font-size:clamp(28px,2.5vw,36px)}
@media(min-width:701px) and (max-width:1000px){
  .workshop-identity{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .workshop-identity .part-facts{grid-template-columns:minmax(96px,.7fr) minmax(0,1fr);padding:16px;gap:12px}
  .part-facts-details h2{font-size:19px}
  .part-facts-details dl>div{display:block;padding:5px 0}
  .part-facts-details dt{font-size:10px;line-height:1.4}
  .part-facts-details dd{text-align:left;font-size:12px;line-height:1.45}
  .workshop-identity .reference-hero{padding:18px}
  .layout-workshop .workshop-identity .reference-hero h1{font-size:28px;margin-block:9px}
  .workshop-identity .reference-lead{font-size:14px;line-height:1.55}
}
@media(max-width:700px){
  .workshop-identity{grid-template-columns:minmax(0,1fr)}
  .workshop-identity .part-facts{grid-template-columns:minmax(112px,38%) minmax(0,1fr);padding:18px;gap:18px}
  .part-facts-details dl>div{display:block;padding:5px 0}
  .part-facts-details dt{font-size:11px;line-height:1.4}
  .part-facts-details dd{text-align:left;line-height:1.45}
  .workshop-identity .reference-hero{padding:20px}
}