:root{color-scheme:dark;--ps-bg:#1c1917;--ps-text:#d6d3d0;--ps-muted:#aaa39c;--ps-line:#625950;--ps-surface:#25211e;--ps-paper:#e8e6e2;--ps-ink:#3a3a3c;--ps-guide:#5b5a57}
*{box-sizing:border-box}
body{margin:0;background:var(--ps-bg);color:var(--ps-text);font-family:Arial,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;line-height:1.7;font-size:14px}
button,select{font:inherit}
button,a,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer;touch-action:manipulation}
a{color:inherit}
:focus-visible{outline:2px solid var(--ps-text);outline-offset:3px}
.scale-demo{max-width:1120px;margin:auto;padding:38px 32px 56px}
.scale-demo-heading{margin:0 0 30px}
.scale-back{font-size:13px;text-decoration:underline;text-underline-offset:3px}
.scale-eyebrow{font-size:11px;letter-spacing:.14em;margin:28px 0 8px;color:var(--ps-muted)}
.scale-demo h1{font-size:clamp(26px,4vw,40px);line-height:1.3;letter-spacing:.02em;margin:0 0 12px;font-weight:500}
.scale-demo-heading>p:last-child{color:var(--ps-muted);margin:0}
.scale-embedded .scale-demo{max-width:none;padding:0;display:flow-root}
.scale-embedded .scale-demo-heading{display:none}
/* Auto-height embeds must not acquire a scrollbar while the parent responds.
   Otherwise scrollbar width changes the canvas height and starts a resize loop. */
html.scale-autoheight,html.scale-autoheight body{overflow:hidden}
.ps{width:100%;min-width:0}
.ps-full-controls{display:none}
.ps button,.ps select{color:var(--ps-text);background:var(--ps-bg);border:1px solid var(--ps-line);border-radius:0;min-height:40px;line-height:1.4;padding:8px 12px}
.ps button:hover{background:var(--ps-text);color:var(--ps-bg)}
.ps button[aria-pressed="true"]{background:var(--ps-text);color:var(--ps-bg);border-color:var(--ps-text)}
.ps button:disabled{opacity:.3;cursor:default}
.ps button:disabled:hover{background:var(--ps-bg);color:var(--ps-text)}
.ps-family{display:flex;gap:24px;border-bottom:1px solid var(--ps-line);margin:0 0 22px}
.ps-family button{border:0!important;background:transparent!important;color:var(--ps-muted)!important;padding:0 0 10px;min-height:34px;font-size:18px}
.ps-family button[aria-pressed="true"]{color:var(--ps-text)!important;box-shadow:0 2px var(--ps-text)}
.ps-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:15px}
.ps-label{font-size:12px;color:var(--ps-muted);flex-shrink:0;min-width:46px}
.ps-segments{display:flex;flex-wrap:wrap;gap:6px}
.ps-subcontrols{display:flex;align-items:center;gap:12px;margin:12px 0 16px;flex-wrap:wrap}
.ps-subcontrols select{max-width:100%;min-width:150px}
.ps-subcontrols label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ps-muted)}
.ps-versus{font-size:11px;letter-spacing:.12em;color:var(--ps-muted)}
.ps-panel-buttons{display:flex;flex-wrap:wrap;gap:5px;margin:13px 0 16px}
.ps-panel-buttons button{font-size:12px;padding:7px 10px;min-height:36px}
.ps-sheet{margin-top:14px;border:1px solid var(--ps-line);min-width:0}
.ps-sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--ps-line);background:var(--ps-surface)}
.ps-sheet-title{font-weight:500;margin:0;line-height:1.5;font-size:13px}
.ps-sheet-unit{font-size:11px;color:var(--ps-muted);white-space:nowrap}
.ps-measure-controls{margin-top:18px;margin-bottom:10px}
.ps-rail-legend{display:flex;flex-wrap:wrap;gap:8px 20px;padding:11px 16px 0;background:var(--ps-paper);color:var(--ps-guide);font-size:11px;line-height:1.5}
.ps-rail-legend>span{display:inline-flex;align-items:center;gap:6px}
.ps-rail-legend i{display:inline-block;width:16px;height:8px;flex:none;background:var(--ps-ink)}
.ps-rail-legend .ps-end-swatch{opacity:.28}
.ps-rail-end-shape{opacity:.28}
.ps-viewer-frame{display:grid;grid-template-columns:minmax(0,1fr) 56px;align-items:stretch;min-width:0}
/* The camera changes the SVG viewBox. Neither the canvas nor its image grows. */
.ps-canvas{overflow:hidden;position:relative;background:var(--ps-paper);color:var(--ps-ink);min-width:0;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.ps-canvas:focus-visible{outline:2px solid var(--ps-ink);outline-offset:-4px}
.ps-canvas.is-zoomed{touch-action:none;cursor:grab}
.ps-canvas.is-panning,.ps-canvas.is-panning .ps-target{cursor:grabbing}
.ps-drawing{position:absolute;inset:16px;min-width:0;overflow:hidden}
.ps-svg{display:block;width:100%;height:100%;overflow:hidden}
.ps-svg image{pointer-events:none}
.ps-hit{cursor:pointer;fill:transparent;stroke:transparent;stroke-width:2;vector-effect:non-scaling-stroke}
.ps-target:hover .ps-hit,.ps-target:focus .ps-hit{fill:#47474426;stroke:#595953}
.ps-target:focus{outline:none}
.ps-canvas.is-zoomed .ps-hit{cursor:grab}
.ps-canvas.is-panning .ps-hit{cursor:grabbing}
.ps-svg .ps-guides{fill:none;stroke:var(--ps-guide);stroke-width:1;vector-effect:non-scaling-stroke}
.ps-svg .ps-guides path{vector-effect:non-scaling-stroke}
.ps-svg .ps-guide-text{fill:#4e4e49;stroke:var(--ps-paper);stroke-width:4;stroke-linejoin:round;paint-order:stroke fill;font-family:Arial,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-weight:400;text-anchor:middle}
.ps-svg .ps-part-label{fill:#555650;font-family:Arial,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-weight:500}
.ps-tools{display:flex;flex-direction:column;align-items:center;gap:8px;padding:8px 7px;border-left:1px solid var(--ps-line);background:var(--ps-surface);min-width:0}
.ps-tool-group{display:grid;gap:4px;position:relative}
.ps-tool-group+.ps-tool-group::before{content:"";position:absolute;left:7px;right:7px;top:-5px;border-top:1px solid var(--ps-line)}
.ps .ps-tool{width:40px;height:40px;min-height:40px;padding:8px;display:grid;place-items:center;border-color:transparent;background:transparent;position:relative}
.ps .ps-tool:hover{color:var(--ps-bg);background:var(--ps-text)}
.ps .ps-tool[aria-pressed="true"]{color:var(--ps-bg);background:var(--ps-text)}
.ps .ps-tool:disabled:hover{background:transparent;color:var(--ps-text)}
.ps-tool svg{display:block;width:21px;height:21px;pointer-events:none}
.ps-tool::after{content:attr(data-tooltip);position:absolute;right:calc(100% + 10px);top:50%;transform:translateY(-50%);padding:6px 9px;background:var(--ps-bg);border:1px solid var(--ps-line);color:var(--ps-text);font-size:11px;font-weight:400;line-height:1.5;white-space:nowrap;pointer-events:none;visibility:hidden;z-index:2}
.ps-tool:focus-visible::after{visibility:visible}
.ps-zoom-level{margin-top:auto;font-size:10px;line-height:18px;font-variant-numeric:tabular-nums;color:var(--ps-muted);white-space:nowrap}
.ps-stage-footer{padding:10px 14px;border-top:1px solid var(--ps-line);background:var(--ps-surface)}
.ps-stage-note{font-size:11px;line-height:1.7;color:var(--ps-muted);margin:0;overflow-wrap:anywhere}
.ps-caption{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-top:15px;padding-top:12px;border-top:1px solid var(--ps-line)}
.ps-caption-title{margin:0;font-size:14px;line-height:1.5}
.ps-caption-detail{margin:5px 0 0;font-size:12px;line-height:1.7;color:var(--ps-muted)}
.ps-dimensions{display:flex;align-items:baseline;justify-content:flex-end;gap:5px;flex-shrink:0;margin:0;line-height:1.2;white-space:nowrap;font-variant-numeric:tabular-nums}
.ps-dimensions strong{font-size:24px;font-weight:400;letter-spacing:-.03em}
.ps-dimensions span{color:var(--ps-muted);font-size:12px}
.ps-rail-caption{flex-wrap:wrap}
.ps-rail-caption>div{flex:1;min-width:220px}
.ps-rail-measurements{margin:0;display:grid;gap:10px;max-width:100%;font-variant-numeric:tabular-nums}
.ps-rail-measurements dt{font-size:12px;line-height:1.5;color:var(--ps-text)}
.ps-rail-measurements dt small{display:block;color:var(--ps-muted);font-size:10px;font-weight:400}
.ps-rail-measurements dd{margin:4px 0 0;font-size:23px;font-weight:400;line-height:1.3;white-space:nowrap}
.ps-other-measurement{padding-top:8px;border-top:1px solid var(--ps-line)}
.ps-other-measurement dt,.ps-other-measurement dd{font-size:11px;color:var(--ps-muted)}
.ps-footnote{margin:18px 0 0;font-size:12px;line-height:1.8;color:var(--ps-muted)}
.ps-approximation-note{display:block;margin-top:3px}
.ps-prototype-details{margin-top:25px;border-top:1px solid var(--ps-line);padding-top:12px;font-size:11px;color:var(--ps-muted);overflow-wrap:anywhere}
.ps-prototype-details summary{cursor:pointer;display:list-item;min-height:28px}
.ps-prototype-details>div{margin-top:12px;line-height:1.8}
.ps-prototype-details code{font-size:10px}
.ps-prototype-details ul{padding-left:18px}
.ps-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* The stable mount container is the fullscreen target; children may re-render. */
.ps-fullscreen{width:100%;height:100%;max-width:none;background:var(--ps-bg);padding:14px 18px;overflow:hidden}
.ps-fullscreen-fallback{position:fixed;inset:0;width:100vw;height:100dvh;z-index:2147483647}
.ps-fullscreen::backdrop{background:var(--ps-bg)}
.ps-fullscreen>.ps{height:100%;display:flex;flex-direction:column;min-height:0}
.ps-fullscreen .ps-normal-controls,.ps-fullscreen .ps-caption,.ps-fullscreen .ps-panel-buttons,.ps-fullscreen .ps-prototype-details{display:none}
.ps-fullscreen .ps-full-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 10px;flex:none}
.ps-full-select{min-width:0;max-width:100%}
.ps-full-select select{max-width:100%;min-height:36px;padding:7px 10px;font-size:12px}
.ps-full-name{font-size:13px;margin-right:4px;white-space:nowrap}
.ps-fullscreen .ps-subcontrols{margin:0 0 8px}
.ps-fullscreen .ps-subcontrols select{min-height:34px;padding:6px 9px}
.ps-fullscreen .ps-sheet{display:flex;flex-direction:column;min-height:0;flex:1;margin-top:0}
.ps-fullscreen .ps-sheet-head{padding:8px 12px;flex:none}
.ps-fullscreen .ps-measure-controls{flex:none;margin:0 0 8px;gap:8px}
.ps-fullscreen .ps-measure-controls button{font-size:11px;min-height:32px;padding:6px 10px}
.ps-fullscreen .ps-rail-legend{flex:none;font-size:10px;padding:8px 12px 0}
.ps-fullscreen .ps-viewer-frame{flex:1;min-height:0}
.ps-fullscreen .ps-canvas{height:100%!important;min-height:0}
.ps-fullscreen .ps-stage-footer{display:none}
.ps-fullscreen .ps-footnote{flex:none;font-size:10px;line-height:1.5;margin-top:8px}
@media(hover:hover){.ps-tool:hover::after{visibility:visible}}
@media(max-width:650px){
 .scale-demo{padding:22px 16px 36px}.scale-demo-heading{margin-bottom:24px}
 .ps-row{align-items:flex-start;gap:8px;margin-bottom:10px}.ps-label{padding-top:9px;min-width:37px}
 .ps-segments{gap:4px;flex:1}.ps-segments button{padding:8px 9px;font-size:12px;flex:1;white-space:nowrap;min-height:40px}
 .ps-subcontrols{gap:7px}.ps-subcontrols select{min-width:0;max-width:100%;padding:8px;font-size:12px}.ps-subcontrols label{flex:1;min-width:110px;display:block}.ps-subcontrols label select{display:block;width:100%;margin-top:5px}.ps-versus{margin-top:21px}
 .ps-sheet-head{padding:11px 12px}.ps-sheet-title{font-size:12px}.ps-sheet-unit{font-size:10px}
 .ps-drawing{inset:12px}.ps-stage-footer{padding:8px 10px}.ps-stage-note{font-size:11px}
 .ps-caption{gap:10px;flex-wrap:wrap;margin-top:12px}.ps-caption-detail{font-size:11px}.ps-dimensions{justify-content:flex-start}.ps-dimensions strong{font-size:22px}
 .ps-rail-legend{padding:10px 12px 0;gap:5px 14px;font-size:10px}.ps-rail-caption>div{min-width:0;flex-basis:100%}.ps-rail-measurements{width:100%}.ps-rail-measurements dd{font-size:22px}.ps-other-measurement dd{font-size:11px}
 .ps-panel-buttons{gap:4px;margin-top:10px}.ps-panel-buttons button{font-size:11px;padding:7px 8px;min-height:36px}
 .ps-family{gap:18px}.ps-family button{font-size:16px}
 .ps-fullscreen{padding:10px}.ps-fullscreen .ps-full-controls{gap:6px}.ps-full-name{font-size:12px}
 .ps-full-select select{font-size:11px;padding:6px;min-height:34px}
}
@media(max-height:650px){
 .ps-fullscreen{padding:8px 10px}
 .ps-fullscreen .ps-viewer-frame{grid-template-columns:minmax(0,1fr) 88px}
 .ps-fullscreen .ps-tools{display:grid;grid-template-columns:repeat(2,36px);justify-content:center;align-content:center;gap:4px;padding:6px}
 .ps-fullscreen .ps-tool-group{display:contents}
 .ps-fullscreen .ps-tool-group+.ps-tool-group::before{display:none}
 .ps-fullscreen .ps-tool{width:36px;height:36px;min-height:36px;padding:7px}
 .ps-fullscreen .ps-zoom-level{grid-column:1/-1;text-align:center;margin:0}
 .ps-fullscreen .ps-full-controls{margin-bottom:6px}
 .ps-fullscreen .ps-footnote{font-size:10px;margin-top:5px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Round33: rail conditions outside; part selection and measurements inside the
   same sheet. Scope this layout so the case-panel viewers keep their structure. */
.ps-rail-filters{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:24px 32px;margin-bottom:26px}
.ps-filter-field{min-width:0;margin:0;padding:0;border:0}
.ps-filter-field legend{display:block;width:100%;padding:13px 0 11px;border-top:1px solid var(--ps-line);font-size:14px;font-weight:500}
.ps-filter-choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}
.ps-filter-field:last-child .ps-filter-choices{grid-template-columns:repeat(2,minmax(0,1fr))}
.ps .ps-filter-choices button{display:flex;align-items:center;justify-content:center;gap:7px;min-width:0;min-height:44px;padding:8px;font-size:13px}
.ps-filter-choices button::before{content:"";width:14px;height:14px;flex:0 0 14px;border:1.5px solid currentColor;border-radius:50%}
.ps-filter-choices button[aria-pressed="true"]::before{background:radial-gradient(currentColor 0 3px,transparent 3.5px)}
.ps-rail .ps-sheet{margin-top:0}
.ps-part-navigation{padding:13px 18px 0;border-bottom:1px solid var(--ps-line);background:var(--ps-surface)}
.ps-part-navigation-label{margin:0 0 5px;font-size:11px;line-height:1.5;color:var(--ps-muted)}
.ps-part-tabs{display:flex;align-items:stretch;flex-wrap:wrap;gap:2px 18px}
.ps .ps-part-tabs button{position:relative;min-height:44px;min-width:0;padding:10px 1px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--ps-muted);font-size:13px}
.ps .ps-part-tabs button[aria-pressed="true"]{border-bottom-color:var(--ps-text);color:var(--ps-text);background:transparent}
.ps .ps-part-tabs button:hover{color:var(--ps-text);background:transparent;border-bottom-color:var(--ps-line)}
.ps .ps-part-tabs button[aria-pressed="true"]:hover{border-bottom-color:var(--ps-text)}
.ps .ps-part-mobile{display:none;width:100%;max-width:100%;min-width:0;margin:6px 0 12px}
.ps-rail .ps-sheet-head{align-items:center;gap:14px 22px;flex-wrap:wrap;padding:16px 18px}
.ps-sheet-heading{min-width:0;flex:1 1 240px}
.ps-rail .ps-sheet-title{font-size:16px;font-weight:500}
.ps-sheet-context{margin:4px 0 0;font-size:11px;line-height:1.5;color:var(--ps-muted);overflow-wrap:anywhere}
.ps-sheet-settings{display:flex;align-items:center;gap:10px 18px;flex-wrap:wrap;min-width:0}
.ps-rail .ps-measure-controls{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:0;font-size:11px;color:var(--ps-muted);min-width:0}
.ps-rail .ps-measure-controls select{max-width:100%;min-width:0;min-height:38px;padding:7px 10px;font-size:12px}
.ps-rail .ps-sheet-settings .ps-subcontrols{margin:0;gap:8px;min-width:0}
.ps-rail .ps-sheet-settings .ps-subcontrols label{font-size:11px;margin:0;min-width:0;flex-wrap:wrap}
.ps-rail .ps-sheet-settings .ps-subcontrols select{min-width:0;min-height:38px;padding:7px 10px;font-size:12px}
.ps-rail-information{padding:16px 18px;border-top:1px solid var(--ps-line);background:var(--ps-surface)}
.ps-rail-information .ps-caption-detail{margin:0;max-width:88ch;font-size:12px;line-height:1.8}
.ps-rail-values{display:flex;align-items:baseline;flex-wrap:wrap;gap:12px 32px;margin:0 0 11px;font-variant-numeric:tabular-nums}
.ps-rail-values>div{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 12px;min-width:0}
.ps-rail-values dt{font-size:12px;line-height:1.5;color:var(--ps-text)}
.ps-rail-values dt small{display:block;font-size:10px;color:var(--ps-muted)}
.ps-rail-values dd{margin:0;font-size:21px;line-height:1.5;letter-spacing:-.02em;white-space:nowrap}
.ps-rail-values .ps-rail-secondary dt,.ps-rail-values .ps-rail-secondary dd{font-size:12px;color:var(--ps-muted)}
.ps-rail .ps-stage-footer{padding:9px 18px;border-top-color:#62595066}
.ps-rail .ps-stage-note{font-size:11px}
.ps-fullscreen .ps-rail .ps-part-navigation,.ps-fullscreen .ps-rail-information{display:none}
.ps-fullscreen .ps-rail .ps-sheet-head{padding:8px 12px;gap:8px 16px}
.ps-fullscreen .ps-rail .ps-sheet-title{font-size:13px}
.ps-fullscreen .ps-rail .ps-sheet-context{display:none}
.ps-fullscreen .ps-rail .ps-sheet-heading{flex-basis:auto}
.ps-fullscreen .ps-rail .ps-measure-controls{margin:0}
.ps-fullscreen .ps-rail .ps-sheet-settings select{min-height:32px;padding:5px 8px;font-size:11px}
@media(max-width:800px){
 .ps-rail-filters{grid-template-columns:minmax(0,1fr);gap:18px;margin-bottom:22px}
}
@media(max-width:600px){
 .ps-filter-choices{grid-template-columns:repeat(2,minmax(0,1fr))}
 .ps-filter-field legend{font-size:13px;padding-top:12px}
 .ps .ps-filter-choices button{font-size:12px;gap:6px}
 .ps-part-navigation{padding:12px 12px 0}
 .ps-part-tabs{display:none}
 .ps .ps-part-mobile{display:block;font-size:13px}
 .ps-rail .ps-sheet-head{padding:12px;gap:10px}
 .ps-rail .ps-sheet-title{font-size:14px}
 .ps-sheet-heading{flex-basis:100%}
 .ps-sheet-settings{width:100%;gap:8px}
 .ps-sheet-settings .ps-sheet-unit{margin-left:auto}
 .ps-rail .ps-sheet-settings .ps-subcontrols label{display:flex;gap:6px;flex:initial}
 .ps-rail .ps-sheet-settings .ps-subcontrols label select{width:auto;margin:0}
 .ps-rail .ps-measure-controls{gap:6px}
 .ps-rail .ps-measure-controls select{font-size:11px;padding:7px 8px}
 .ps-rail-information{padding:13px 12px}
 .ps-rail-information .ps-caption-detail{font-size:11px}
 .ps-rail-values{gap:9px;margin-bottom:10px}
 .ps-rail-values>div{flex-basis:100%;gap:4px 10px}
 .ps-rail-values dd{font-size:19px}
 .ps-rail-values .ps-rail-secondary dt,.ps-rail-values .ps-rail-secondary dd{font-size:11px}
 .ps-rail .ps-stage-footer{padding:8px 12px}
 .ps-fullscreen .ps-rail .ps-sheet-settings{width:auto}
}