:root{--stitch-ink:var(--ink);--stitch-paper:var(--paper);--stitch-muted:var(--muted);--stitch-line:var(--line);--stitch-panel:var(--surface);--stitch-accent:#2d6a62;--stitch-thread:#c43f5e}:root[data-theme=dark]{--stitch-accent:#70c9bb;--stitch-thread:#ff8ba1}.stitch-shell{background:var(--stitch-paper);color:var(--stitch-ink);padding-bottom:5rem}.stitch-shell>*{width:min(1120px,100% - 2rem);margin-inline:auto}.stitch-opening{grid-template-columns:minmax(0,1.15fr) minmax(18rem,.85fr);align-items:end;gap:1.5rem clamp(2rem,7vw,7rem);padding-block:clamp(2rem,6vw,4.5rem);display:grid}.stitch-breadcrumb{color:var(--stitch-muted);grid-column:1/-1;gap:.6rem;font-size:.9rem;display:flex}.stitch-kicker{color:var(--stitch-accent);text-transform:uppercase;margin:0 0 .75rem;font-size:.78rem;font-weight:850}.stitch-opening h1{letter-spacing:0;max-width:17ch;margin:0;font-size:clamp(2.3rem,5vw,3.9rem);line-height:1}.stitch-lede{border-top:5px solid var(--stitch-thread);color:var(--stitch-muted);margin:0;padding-top:1rem;font-size:1.08rem;line-height:1.65}.stitch-scene{border-block:1px solid var(--stitch-line);grid-template-columns:minmax(0,1.55fr) minmax(14rem,.45fr);margin-bottom:2rem;display:grid}.stitch-scene img{object-fit:cover;width:100%;height:clamp(18rem,34vw,28rem);display:block}.stitch-scene figcaption{background:var(--stitch-panel);color:var(--stitch-muted);flex-direction:column;justify-content:flex-end;gap:.55rem;padding:1.25rem 1.5rem;line-height:1.55;display:flex}.stitch-scene figcaption strong{color:var(--stitch-ink);font-size:1.05rem}.stitch-route{grid-template-columns:.8fr 1.2fr;gap:3rem;padding-block:4rem;display:grid}.stitch-route h2,.stitch-notes h2{margin:0;font-size:clamp(1.75rem,3vw,2.65rem);line-height:1.05}.stitch-route nav{border-top:1px solid var(--stitch-line)}.stitch-route a{border-bottom:1px solid var(--stitch-line);color:var(--stitch-ink);grid-template-columns:1fr auto;padding:1rem 0;font-weight:800;text-decoration:none;display:grid}.stitch-route a:after{content:"→";color:var(--stitch-thread)}.stitch-rule{border-left:5px solid var(--stitch-accent);background:var(--stitch-panel);grid-template-columns:auto 1fr;gap:1rem;padding:1rem 1.2rem;display:grid}.stitch-rule p{color:var(--stitch-muted);margin:0}.stitch-tool{grid-template-columns:minmax(0,1.15fr) minmax(17rem,.85fr);gap:clamp(1.5rem,5vw,4rem);padding-block:2.5rem 4rem;display:grid}.stitch-tool form{gap:1.2rem;display:grid}.stitch-selects,.stitch-numbers,.stitch-checks{grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem;display:grid}.stitch-tool label{gap:.4rem;font-weight:750;display:grid}.stitch-checks label,.stitch-check{grid-template-columns:auto 1fr;align-items:start}.stitch-tool select,.stitch-tool input[type=number]{border:1px solid var(--stitch-line);background:var(--stitch-paper);width:100%;min-height:2.8rem;color:var(--stitch-ink);font:inherit;border-radius:0;padding:.6rem}.stitch-tool button{border:2px solid var(--stitch-accent);background:var(--stitch-accent);min-height:3rem;color:var(--paper);font:inherit;cursor:pointer;border-radius:0;padding:.7rem 1rem;font-weight:850}.stitch-result{border-top:5px solid var(--stitch-thread);background:var(--stitch-panel);align-self:start;padding:1.4rem}.stitch-result h2{margin:0 0 .7rem;font-size:1.5rem;line-height:1.1}.stitch-result ul{padding-left:1.2rem}@media (width>=821px){.stitch-tool{grid-template-columns:minmax(17rem,.8fr) minmax(0,1.2fr)}.stitch-tool form{grid-column:2}.stitch-result{grid-area:1/1}}.stitch-notes{border-top:1px solid var(--stitch-line);grid-template-columns:.8fr 1.2fr;gap:3rem;padding-block:3rem;display:grid}.stitch-notes p{color:var(--stitch-muted);margin:0;line-height:1.7}.stitch-sources{border-top:1px solid var(--stitch-line);color:var(--stitch-muted);padding-top:1.5rem;font-size:.9rem}.stitch-sources a{color:var(--stitch-accent);font-weight:750}.stitch-machine-lanes{border-block:1px solid var(--stitch-line)}.stitch-machine-lanes article{border-bottom:1px solid var(--stitch-line);grid-template-columns:3rem minmax(13rem,.65fr) auto minmax(12rem,.55fr);align-items:start;gap:1rem 2rem;padding-block:1.6rem;display:grid}.stitch-machine-lanes article:last-child{border-bottom:0}.stitch-machine-lanes article>span{color:var(--stitch-thread);font-weight:850}.stitch-machine-lanes h2,.stitch-machine-lanes p{margin:0}.stitch-machine-lanes h2{margin-bottom:.45rem;font-size:1.45rem}.stitch-machine-lanes p{color:var(--stitch-muted);line-height:1.6}.stitch-machine-lanes article>strong{text-transform:uppercase;font-size:.78rem}.stitch-links{border-top:1px solid var(--stitch-line);flex-wrap:wrap;gap:1rem 2rem;padding-top:2rem;display:flex}.stitch-links a{color:var(--stitch-accent);font-weight:800}@media (width<=820px){.stitch-opening,.stitch-route,.stitch-tool,.stitch-notes,.stitch-scene{grid-template-columns:1fr}.stitch-scene img{aspect-ratio:16/10;height:auto}.stitch-scene figcaption{background:0 0;padding:1rem 0}.stitch-selects,.stitch-numbers,.stitch-checks{grid-template-columns:1fr}.stitch-opening h1{font-size:clamp(2.2rem,12vw,3.2rem)}.stitch-machine-lanes article{grid-template-columns:2.2rem minmax(0,1fr)}.stitch-machine-lanes article>strong,.stitch-machine-lanes article>p{grid-column:2}}