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1));transform-origin:top left}.hr-brief{display:inline-block;font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:var(--ls-tight);color:var(--doc-ink-70);background:var(--doc-ink-05);border:1px solid var(--doc-ink-08);border-radius:var(--radius-pill);padding:4px 11px;margin-bottom:9px}.hr-runhead{position:absolute;top:2px;left:0;right:0;margin:0;opacity:0}.hr-slot{position:relative}.hr-label{position:absolute;top:-8px;right:0;font-family:var(--font-mono);font-size:9px;letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--doc-indigo);opacity:0;pointer-events:none;z-index:3}.hr-ghost{position:absolute;inset:0;opacity:0;transform-origin:left center;z-index:1;pointer-events:none}.hr-ghost--bar,.hr-ghost--box{border:1px dashed var(--doc-ink-12);border-radius:2px}.hr-ghost--lines{display:flex;flex-direction:column;justify-content:center;gap:7px}.hr-ghost--lines i{display:block;height:6px;border-radius:2px;background:var(--doc-ink-08)}.hr-ghost--lines 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var(--doc-indigo-45);opacity:0;z-index:6;pointer-events:none}.hr-check{position:absolute;right:-7px;top:10px;width:16px;height:16px;border-radius:50%;background:#3c8c63;color:var(--doc-white);font-size:9px;line-height:1;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0);z-index:5;pointer-events:none}.hr-slot.is-checking{background:var(--doc-indigo-06);border-radius:2px}.hr-inner{--fs: 8.4px}.hr-set{position:relative;opacity:0;z-index:2}.hr-inner .katex{font-size:1em}.hr-inner .katex-display{margin:0}.hr-inner .bp-runhead{font-size:calc(var(--fs) * .82);letter-spacing:var(--ls-mono);padding-bottom:calc(var(--fs) * .5);margin-bottom:calc(var(--fs) * .9);border-bottom:1px solid var(--doc-ink-16)}.hr-inner .bp-title{display:flex;align-items:flex-start;gap:calc(var(--fs) * .9);margin-bottom:calc(var(--fs) * 1.1);padding-bottom:calc(var(--fs) * 1);border-bottom:2px solid var(--doc-ink)}.hr-inner .bp-chapter-n{font-family:var(--font-display);font-size:calc(var(--fs) * 4.6);line-height:.74;font-weight:500;color:var(--doc-indigo);flex:none}.hr-inner .bp-title-t{flex:1}.hr-inner .bp-kicker{display:block;font-family:var(--font-mono);font-size:calc(var(--fs) * .78);letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--doc-amber);margin-bottom:calc(var(--fs) * .3)}.hr-inner .bp-chapter{font-family:var(--font-display);font-weight:500;font-size:calc(var(--fs) * 1.72);line-height:1.06;margin:0;color:var(--doc-ink)}.hr-inner .bp-standfirst{font-family:var(--font-body);font-style:italic;font-size:calc(var(--fs) * .96);line-height:1.34;color:var(--doc-ink-70);margin:calc(var(--fs) * .42) 0 0}.hr-inner .bp-para{font-family:var(--font-body);font-size:var(--fs);line-height:1.5;margin:0 0 calc(var(--fs) * .55);text-align:justify;hyphens:auto}.hr-inner .bp-drop{float:left;font-family:var(--font-display);font-size:calc(var(--fs) * 3);line-height:.72;font-weight:500;color:var(--doc-indigo);padding:calc(var(--fs) * .1) calc(var(--fs) * .34) 0 0}.hr-inner .bp-sub{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .86);letter-spacing:var(--ls-mono);text-transform:uppercase;color:var(--doc-ink);margin:calc(var(--fs) * .7) 0 calc(var(--fs) * .4)}.hr-inner .bp-formula{margin:calc(var(--fs) * .5) 0;padding:calc(var(--fs) * .6) calc(var(--fs) * .5);background:var(--doc-indigo-04);border-left:0;border-top:1px solid var(--doc-indigo-18);border-bottom:1px solid var(--doc-indigo-18);text-align:center}.hr-inner .bp-formula .katex{font-size:calc(var(--fs) * 1.02)}.hr-inner .bp-figure{margin:calc(var(--fs) * .6) 0;break-inside:avoid}.hr-inner .bp-fig-svg{display:block;width:100%;height:auto;margin:0 auto}.hr-inner .bp-figure figcaption{margin-top:calc(var(--fs) * .35);text-align:center;font-family:var(--font-mono);font-size:calc(var(--fs) * .76);color:var(--doc-ink-55)}.hr-inner .bp-table{width:100%;border-collapse:collapse;break-inside:avoid;margin:calc(var(--fs) * .5) 0;font-family:var(--font-mono);font-size:calc(var(--fs) * .8)}.hr-inner .bp-table th,.hr-inner .bp-table td{border:1px solid var(--doc-ink-22);padding:calc(var(--fs) * .26) calc(var(--fs) * .2);text-align:center}.hr-inner .bp-table thead th{background:var(--doc-ink);color:var(--doc-paper);font-weight:500}.hr-inner .bp-table tbody th{background:var(--doc-ink-05);font-weight:500;text-align:left;padding-left:calc(var(--fs) * .34)}.hr-inner .bp-table .katex{font-size:calc(var(--fs) * .86)}.hr-inner .bp-example{break-inside:avoid;margin:calc(var(--fs) * .55) 0;padding:calc(var(--fs) * .55) calc(var(--fs) * .6);border-left:2px solid var(--doc-indigo);background:var(--doc-indigo-04);font-family:var(--font-body);font-size:calc(var(--fs) * .94);line-height:1.46}.hr-inner .bp-example p{margin:calc(var(--fs) * .28) 0 0}.hr-inner .bp-example-h{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .8);letter-spacing:var(--ls-mono);text-transform:uppercase;color:var(--doc-indigo)}.hr-inner .bp-example-sol{color:var(--doc-ink-70)}.hr-inner .bp-mcq{break-inside:avoid;margin:calc(var(--fs) * .55) 0 0;font-family:var(--font-body)}.hr-inner .bp-mcq-q{font-size:calc(var(--fs) * .96);margin:0 0 calc(var(--fs) * .34)}.hr-inner .bp-mcq-n{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .78);color:var(--doc-indigo);margin-right:calc(var(--fs) * .3)}.hr-inner .bp-mcq-opts{display:grid;grid-template-columns:1fr 1fr;gap:calc(var(--fs) * .2) calc(var(--fs) * .5)}.hr-inner .bp-mcq-opts li{font-family:var(--font-body);display:flex;align-items:center;gap:calc(var(--fs) * .3);font-size:calc(var(--fs) * .92)}.hr-inner .bp-mcq-key{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .72);color:var(--doc-ink-55);border:0;width:auto;height:auto;margin-right:calc(var(--fs) * .28)}.hr-inner .bp-callout{break-inside:avoid;margin:calc(var(--fs) * .6) 0 0;padding:calc(var(--fs) * .55) calc(var(--fs) * .6);background:var(--doc-marigold-10);border:1px solid var(--doc-marigold-40);font-family:var(--font-body);font-size:calc(var(--fs) * .9);line-height:1.4;color:var(--doc-ink-70)}.hr-inner .bp-callout-label{font-size:calc(var(--fs) * .74);margin-bottom:calc(var(--fs) * .22)}.hr-inner .bp-pyq{margin-top:calc(var(--fs) * 1.1);border-top:2px solid var(--doc-ink);padding-top:calc(var(--fs) * .6)}.hr-inner .bp-pyq-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:calc(var(--fs) * .6)}.hr-inner .bp-pyq-h span:first-child{font-family:var(--font-display);font-weight:600;font-size:calc(var(--fs) * 1.06);color:var(--doc-ink)}.hr-inner .bp-pyq-h span:last-child{font-family:var(--font-mono);font-size:calc(var(--fs) * .74);letter-spacing:var(--ls-mono);text-transform:uppercase;color:var(--doc-ink-55)}.hr-inner .bp-pyq-grid{display:grid;grid-template-columns:1fr 1fr;gap:calc(var(--fs) * .7) calc(var(--fs) * 1.5)}.hr-inner .bp-pyq-item{break-inside:avoid}.hr-inner .bp-pyq-q{font-family:var(--font-body);font-size:calc(var(--fs) * .96);line-height:1.42;margin:0 0 calc(var(--fs) * .2)}.hr-inner .bp-pyq-yr{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .7);letter-spacing:var(--ls-mono);color:var(--doc-indigo);margin-right:calc(var(--fs) * .3)}.hr-inner .bp-pyq-sol{font-family:var(--font-body);font-size:calc(var(--fs) * .9);line-height:1.4;color:var(--doc-ink-70);margin:0}.hr-inner .bp-pyq-ans{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .7);letter-spacing:var(--ls-mono);color:var(--doc-amber);margin-right:calc(var(--fs) * .25)}.hr-inner .bp-folio{position:static;left:auto;right:auto;bottom:auto;margin-top:calc(var(--fs) * .9);padding-top:calc(var(--fs) * .5);border-top:1px solid var(--doc-ink-16);font-size:calc(var(--fs) * .78);color:var(--doc-ink-55)}.hr-figrow{display:grid;grid-template-columns:38% 1fr;gap:calc(var(--fs) * 1.1);align-items:start}.hr-figrow .bp-figure,.hr-figrow .bp-para{margin:0}.hr-figrow .bp-fig-t{font-size:13px}.hr-figrow .bp-fig-t--theta{font-size:20px}@media (max-width: 400px){.hr-step{font-size:9px}}.set-pane{display:flex;justify-content:center}.bookpage--set{width:auto;max-width:none;height:clamp(480px,84vh,820px);aspect-ratio:1 / 1.55;container-type:inline-size;--bp-pad: 6.6%;--fs: 1.8cqw;padding-top:4.4%;padding-bottom:4.4%;overflow:hidden}.bookpage--set .set-el{opacity:0}.bookpage--set .katex{font-size:1em}.bookpage--set .bp-runhead{font-size:calc(var(--fs) * .82);letter-spacing:var(--ls-mono);padding-bottom:calc(var(--fs) * .5);margin-bottom:calc(var(--fs) * .9);border-bottom:1px solid var(--doc-ink-16)}.bookpage--set .bp-title{display:flex;align-items:flex-start;gap:calc(var(--fs) * 1.1);margin-bottom:calc(var(--fs) * 1.1);padding-bottom:calc(var(--fs) * 1);border-bottom:2px solid var(--doc-ink)}.bp-chapter-n{font-family:var(--font-display);font-size:calc(var(--fs) * 5.4);line-height:.74;font-weight:500;color:var(--doc-indigo);flex:none}.bp-title-t{flex:1}.bp-kicker{display:block;font-family:var(--font-mono);font-size:calc(var(--fs) * .78);letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--doc-amber);margin-bottom:calc(var(--fs) * .3)}.bookpage--set .bp-chapter{font-family:var(--font-display);font-weight:500;font-size:calc(var(--fs) * 1.72);line-height:1.06;margin:0;color:var(--doc-ink)}.bp-standfirst{font-family:var(--font-body);font-style:italic;font-size:calc(var(--fs) * .96);line-height:1.34;color:var(--doc-ink-70);margin:calc(var(--fs) * .42) 0 0}.bp-flow{column-count:2;column-gap:calc(var(--fs) * 1.5);column-rule:1px solid var(--doc-ink-12);font-size:var(--fs)}.bookpage--set .bp-para{font-family:var(--font-body);font-size:var(--fs);line-height:1.5;margin:0 0 calc(var(--fs) * .55);text-align:justify;hyphens:auto}.bp-flow>.set-el{break-inside:avoid}.bp-drop{float:left;font-family:var(--font-display);font-size:calc(var(--fs) * 3.1);line-height:.72;font-weight:500;color:var(--doc-indigo);padding:calc(var(--fs) * .1) calc(var(--fs) * .34) 0 0}.bp-sub{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .86);letter-spacing:var(--ls-mono);text-transform:uppercase;color:var(--doc-ink);margin:calc(var(--fs) * .7) 0 calc(var(--fs) * .4)}.bookpage--set .bp-formula{margin:calc(var(--fs) * .5) 0;padding:calc(var(--fs) * .6) calc(var(--fs) * .5);background:var(--doc-indigo-04);border-left:0;border-top:1px solid var(--doc-indigo-18);border-bottom:1px solid var(--doc-indigo-18);text-align:center}.bookpage--set .bp-formula .katex{font-size:calc(var(--fs) * 1.02)}.bp-figure{margin:calc(var(--fs) * .6) 0;break-inside:avoid}.bp-fig-svg{display:block;width:100%;height:auto;margin:0 auto}.bp-fig-t{font-family:var(--font-mono);font-size:8px;fill:var(--doc-ink-70);letter-spacing:.02em;text-anchor:middle}.bp-fig-t--theta{fill:var(--doc-amber);font-family:var(--font-body);font-style:italic;font-size:12px}.bp-fig-t--hyp{fill:var(--doc-indigo)}.bp-figure figcaption{margin-top:calc(var(--fs) * .35);text-align:center;font-family:var(--font-mono);font-size:calc(var(--fs) * .76);color:var(--doc-ink-55)}.bp-table{width:100%;border-collapse:collapse;break-inside:avoid;margin:calc(var(--fs) * .5) 0;font-family:var(--font-mono);font-size:calc(var(--fs) * .8)}.bp-table th,.bp-table td{border:1px solid var(--doc-ink-22);padding:calc(var(--fs) * .26) calc(var(--fs) * .2);text-align:center}.bp-table thead th{background:var(--doc-ink);color:var(--doc-paper);font-weight:500}.bp-table tbody th{background:var(--doc-ink-05);font-weight:500;text-align:left;padding-left:calc(var(--fs) * .34)}.bp-table .katex{font-size:calc(var(--fs) * .86)}.bp-example{break-inside:avoid;margin:calc(var(--fs) * .55) 0;padding:calc(var(--fs) * .55) calc(var(--fs) * .6);border-left:2px solid var(--doc-indigo);background:var(--doc-indigo-04);font-family:var(--font-body);font-size:calc(var(--fs) * .94);line-height:1.46}.bp-example p{margin:calc(var(--fs) * .28) 0 0}.bp-example-h{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .8);letter-spacing:var(--ls-mono);text-transform:uppercase;color:var(--doc-indigo)}.bp-example-sol{color:var(--doc-ink-70)}.bookpage--set .bp-mcq{break-inside:avoid;margin:calc(var(--fs) * .55) 0 0;font-family:var(--font-body)}.bookpage--set .bp-mcq-q{font-size:calc(var(--fs) * .96);margin:0 0 calc(var(--fs) * .34)}.bookpage--set .bp-mcq-n{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .78);color:var(--doc-indigo);margin-right:calc(var(--fs) * .3)}.bookpage--set .bp-mcq-opts{display:grid;grid-template-columns:1fr 1fr;gap:calc(var(--fs) * .2) calc(var(--fs) * .5)}.bookpage--set .bp-mcq-opts li{font-family:var(--font-body);display:flex;align-items:center;gap:calc(var(--fs) * .3);font-size:calc(var(--fs) * .92)}.bookpage--set .bp-mcq-key{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .72);color:var(--doc-ink-55);border:0;width:auto;height:auto;margin-right:calc(var(--fs) * .28)}.bookpage--set .bp-callout{break-inside:avoid;margin:calc(var(--fs) * .6) 0 0;padding:calc(var(--fs) * .55) calc(var(--fs) * .6);background:var(--doc-marigold-10);border:1px solid var(--doc-marigold-40);font-family:var(--font-body);font-size:calc(var(--fs) * .9);line-height:1.4;color:var(--doc-ink-70)}.bookpage--set .bp-callout-label{font-size:calc(var(--fs) * .74);margin-bottom:calc(var(--fs) * .22)}.bp-pyq{margin-top:calc(var(--fs) * 1.1);border-top:2px solid var(--doc-ink);padding-top:calc(var(--fs) * .6)}.bp-pyq-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:calc(var(--fs) * .6)}.bp-pyq-h span:first-child{font-family:var(--font-display);font-weight:600;font-size:calc(var(--fs) * 1.06);color:var(--doc-ink)}.bp-pyq-h span:last-child{font-family:var(--font-mono);font-size:calc(var(--fs) * .74);letter-spacing:var(--ls-mono);text-transform:uppercase;color:var(--doc-ink-55)}.bp-pyq-grid{display:grid;grid-template-columns:1fr 1fr;gap:calc(var(--fs) * .7) calc(var(--fs) * 1.5)}.bp-pyq-item{break-inside:avoid}.bp-pyq-q{font-family:var(--font-body);font-size:calc(var(--fs) * .96);line-height:1.42;margin:0 0 calc(var(--fs) * .2)}.bp-pyq-yr{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .7);letter-spacing:var(--ls-mono);color:var(--doc-indigo);margin-right:calc(var(--fs) * .3)}.bp-pyq-sol{font-family:var(--font-body);font-size:calc(var(--fs) * .9);line-height:1.4;color:var(--doc-ink-70);margin:0}.bp-pyq-ans{font-family:var(--font-mono);font-weight:500;font-size:calc(var(--fs) * .7);letter-spacing:var(--ls-mono);color:var(--doc-amber);margin-right:calc(var(--fs) * .25)}.bookpage--set .bp-folio{position:static;left:auto;right:auto;bottom:auto;margin-top:calc(var(--fs) * .9);padding-top:calc(var(--fs) * .5);border-top:1px solid var(--doc-ink-16);font-size:calc(var(--fs) * .78);color:var(--doc-ink-55)}.how{background:var(--slate-900);padding:var(--pad-y) 0;border-top:var(--hairline)}.flow-wrap{margin-top:calc(var(--step) * 5)}.flow{--flow-gap: calc(var(--step) * 4);--flow-pad: calc(var(--step) * 2.5);--flow-mark: 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--flow-gap)}.flow-node{position:relative;display:flex;flex-direction:column;gap:calc(var(--step) * 1.5);padding:var(--flow-pad);background:var(--slate-800);border:var(--hairline);border-radius:var(--radius-lg);opacity:.62;transition:opacity var(--turn) var(--ease),border-color var(--turn) var(--ease),background-color var(--turn) var(--ease),box-shadow var(--turn) var(--ease)}.flow-mark{position:relative;display:grid;place-items:center;width:var(--flow-mark);height:var(--flow-mark);border-radius:50%;background:var(--slate-700);border:1px solid var(--chrome-line);transition:background-color var(--turn) var(--ease),border-color var(--turn) var(--ease),box-shadow var(--turn) var(--ease)}.flow-n,.flow-tick{grid-area:1 / 1;font-family:var(--font-mono);font-size:var(--fs-mono);font-weight:500;line-height:1;transition:opacity var(--t-slow) var(--ease)}.flow-n{color:var(--chrome-dim)}.flow-tick{color:var(--success);opacity:0;font-size:14px}.flow-head{display:flex;align-items:center;flex-wrap:wrap;gap:var(--step)}.flow-k{font-family:var(--font-mono);font-size:var(--fs-mono);font-weight:500;letter-spacing:var(--ls-label);text-transform:uppercase;color:var(--paper)}.flow-tag{font-family:var(--font-mono);font-size:var(--fs-micro);letter-spacing:var(--ls-label);text-transform:uppercase;color:var(--aviation);background:var(--aviation-soft);border:1px solid var(--aviation-dim);border-radius:var(--radius-pill);padding:2px 9px;white-space:nowrap}.flow-tag--human{color:var(--staging);background:#c9b27f1a;border-color:var(--staging-dim)}.flow-t{font-family:var(--font-body);font-size:16px;line-height:1.45;color:var(--chrome-text)}.flow-link{position:absolute;left:100%;top:calc(var(--flow-pad) + var(--flow-mark) / 2);width:var(--flow-gap);height:2px;margin-top:-1px;background:var(--chrome-line);overflow:visible}.flow-link-fill{position:absolute;inset:0;background:var(--aviation);transform:scaleX(var(--seg, 0));transform-origin:left center}.flow-link-pulse{position:absolute;top:50%;left:calc(var(--seg, 0) * 100%);width:7px;height:7px;margin:-3.5px 0 0 -3.5px;border-radius:50%;background:var(--aviation);box-shadow:0 0 0 4px var(--aviation-soft),var(--glow-accent);opacity:var(--pulse-o, 0)}.flow-node.is-on{opacity:1;background:var(--surface-lit);border-color:var(--aviation-dim);box-shadow:0 0 0 1px var(--aviation-dim),0 14px 34px -18px #0009}.flow-node.is-on .flow-mark{background:var(--aviation-soft);border-color:var(--aviation);box-shadow:0 0 0 5px var(--aviation-soft),var(--glow-accent)}.flow-node.is-on .flow-n{color:var(--aviation)}.flow-node.is-done{opacity:1;border-color:var(--success-dim)}.flow-node.is-done .flow-mark{background:var(--success-soft);border-color:var(--success);box-shadow:none}.flow-node.is-done .flow-n{opacity:0}.flow-node.is-done .flow-tick{opacity:1}.flow-caption{display:flex;align-items:center;justify-content:space-between;gap:calc(var(--step) * 2);margin-top:calc(var(--step) * 3);padding-top:calc(var(--step) * 2);border-top:var(--hairline)}.sw-heading{font-family:var(--font-display);font-weight:500;font-size:clamp(19px,2.2vw,26px);line-height:1.24;letter-spacing:var(--ls-tight);color:var(--paper);margin:calc(var(--step) * 9) 0 0;padding-top:calc(var(--step) * 2.5);border-top:var(--hairline)}.studio-walk{margin-top:calc(var(--step) * 5)}.sw-pin{min-height:100vh;display:flex;align-items:center;justify-content:center}.sw-layout{width:100%;max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:minmax(190px,240px) minmax(0,1fr);gap:calc(var(--step) * 5);align-items:center}.sw-rail{position:relative;align-self:center}.sw-dots{display:none}.sw-node{position:relative;padding:calc(var(--step) * 2) 0 calc(var(--step) * 2) calc(var(--step) * 3);opacity:.32;transition:opacity var(--t-slow) var(--ease)}.sw-node:before{content:"";position:absolute;left:4px;top:0;bottom:0;width:1px;background:var(--chrome-line)}.sw-node:first-child:before{top:50%}.sw-node:last-child:before{bottom:50%}.sw-node.is-active{opacity:1}.sw-node-mark{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:var(--ls-label);text-transform:uppercase;color:var(--paper);margin-bottom:var(--step)}.sw-node-dot{position:absolute;left:0;top:24px;width:9px;height:9px;border-radius:50%;background:var(--slate-800);border:1px solid var(--chrome-line);transition:background-color var(--t-slow) var(--ease),border-color var(--t-slow) var(--ease),box-shadow var(--t-slow) var(--ease)}.sw-node.is-active .sw-node-dot{background:var(--aviation);border-color:var(--aviation);box-shadow:0 0 0 4px var(--aviation-soft)}.sw-node p{font-size:15px;line-height:1.5;color:var(--chrome-dim);margin:0}.sw-frame{position:relative;width:100%;border-radius:var(--radius-lg);background:var(--slate-800);border:var(--hairline);box-shadow:var(--shadow-elevated);overflow:hidden}.sw-chrome{display:flex;align-items:center;gap:var(--step);padding:calc(var(--step) * 1.5) calc(var(--step) * 2);background:var(--slate-950);border-bottom:var(--hairline)}.sw-dot-r{width:9px;height:9px;border-radius:50%;background:var(--slate-600)}.sw-chrome-title{margin-left:12px;font-family:var(--font-mono);font-size:var(--fs-micro);letter-spacing:var(--ls-label);text-transform:uppercase;color:var(--chrome-dim)}.sw-screens{position:relative;height:clamp(392px,58vh,540px)}.sw-screen{position:absolute;inset:0;display:flex;flex-direction:column;opacity:0;will-change:opacity,transform}.sw-screen[data-screen="0"]{opacity:1}.sw-stagebar{display:flex;gap:var(--step);padding:calc(var(--step) * 1.75) calc(var(--step) * 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