:root{font-family:'DM Sans',sans-serif;color:#161616;background:#f3f3ef;font-synthesis:none;--green:#161616;--line:#deded4;--muted:#68685f}*{box-sizing:border-box}body{margin:0}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;background:#f6f8f4;border:1px solid var(--line);border-radius:5px;padding:10px 13px}button:hover{background:#fff3ae}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #bba465;outline-offset:3px}button:disabled{cursor:wait;opacity:.6}header{height:84px;background:#161616;display:flex;align-items:center;justify-content:space-between;padding:0 32px;border-bottom:1px solid var(--line);gap:20px}.brand{color:#161616;text-decoration:none;font:800 29px 'Manrope',sans-serif;letter-spacing:-1.3px}.brand span{font-weight:500}.brand small{display:block;font:600 9px 'DM Sans',sans-serif;letter-spacing:3px;margin-top:2px}.project{font-size:10px;letter-spacing:1.8px;display:flex;align-items:center;gap:10px}.edition{color:var(--muted)}.dot{width:6px;height:6px;border-radius:100%;background:#fedb03}.dark{background:var(--green);color:#fff;border-color:var(--green)}.dark:hover{background:#f0cb00}.dark span{padding-left:25px}main{display:flex;height:calc(100dvh - 84px);min-height:520px}aside{width:326px;min-width:326px;overflow:auto;padding:30px 25px;background:#fafaf7;border-right:1px solid var(--line);scrollbar-width:thin}.eyebrow{font-size:9px;font-weight:700;letter-spacing:1.8px;color:var(--muted);line-height:1.6;margin:0 0 13px}h1{font:500 32px/1.2 'Manrope',sans-serif;letter-spacing:-1.3px;margin:0 0 15px}.lede{font-size:12px;line-height:1.75;color:var(--muted);margin:0 0 30px}.section-label{font-size:9px;color:#898979;letter-spacing:1.3px;display:flex;gap:10px;align-items:center;margin:25px 0 14px}.section-label span{color:var(--green)}#visible-count{margin-left:auto;font-size:10px;letter-spacing:0}.presets{display:grid;gap:7px}.presets button{text-align:left;padding:12px 13px;background:transparent}.presets b{font-size:12px;display:block;font-weight:600}.presets span{display:block;margin-top:5px;font-size:10px;color:var(--muted)}.presets .active{background:var(--green);border-color:var(--green);color:#fff}.presets .active span{color:#403915}.all-actions{display:flex;justify-content:space-between;margin-bottom:7px}.all-actions button{font-size:10px;border:0;background:none;padding:4px 0;text-decoration:underline;text-underline-offset:3px}.group-title{font-size:9px;letter-spacing:1.3px;color:var(--muted);text-transform:uppercase;margin:18px 0 8px}.discipline{display:flex;align-items:center;gap:9px;font-size:11px;min-height:34px;border-bottom:1px solid #e9e8df;cursor:pointer}.discipline input{appearance:none;width:14px;height:14px;border:1px solid #b7b6a8;border-radius:3px;margin:0;flex-shrink:0}.discipline input:checked{background:var(--green);border-color:var(--green)}.discipline input:checked:after{content:'✓';font-size:10px;color:#fff;display:block;text-align:center}.swatch{width:5px;height:17px;border-radius:2px;margin-left:auto}.note{font-size:10px;line-height:1.7;color:#818177;margin-top:25px}.credits{font-size:9px;color:#7d7d72;text-decoration:none}.stage{position:relative;flex:1;min-width:0;overflow:hidden;background:radial-gradient(ellipse at 55% 40%,#eee7d3,#dfd4b6 80%)}#viewer{position:absolute;inset:0}canvas{display:block;outline:none;touch-action:none}.stage-heading{position:absolute;top:29px;left:32px;pointer-events:none}.stage-heading h2{font:500 19px 'Manrope',sans-serif;letter-spacing:-.5px;margin:0}.stage-heading .eyebrow{font-size:8px;margin-bottom:5px}.tools{position:absolute;top:28px;right:25px;display:flex;gap:6px}.tools button{font-size:10px;background:#fafaf7e8;box-shadow:0 2px 8px #24362905;padding:9px 11px}.tools button.active{background:var(--green);color:white}.stage-footer{position:absolute;bottom:23px;left:30px;right:28px;display:flex;justify-content:space-between;font-size:9px;color:#7f7f73;gap:10px;pointer-events:none}.coordinates{font-size:8px;letter-spacing:1.5px}#status{position:absolute;left:50%;bottom:65px;transform:translateX(-50%);font-size:11px;background:#fffef6f2;padding:12px 18px;border-radius:6px;box-shadow:0 5px 25px #1b3a2420;display:flex;align-items:center;gap:10px;max-width:90%;white-space:nowrap}#status[hidden]{display:none}.spinner{width:12px;height:12px;border:2px solid #deded0;border-top-color:#9a7d00;border-radius:100%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#cut-panel{position:absolute;right:25px;top:75px;width:235px;padding:17px;background:#fffff8f5;border:1px solid var(--line);border-radius:6px;box-shadow:0 8px 30px #24372b10;font-size:11px}#cut-panel label{display:flex;align-items:center;justify-content:space-between}select{font:inherit;padding:7px;border:1px solid var(--line);background:#f8f9f1;border-radius:4px}input[type=range]{width:100%;margin:18px 0;accent-color:var(--green)}#cut-panel button{font-size:10px;padding:7px}#inspector{position:absolute;right:25px;bottom:65px;width:290px;max-height:55%;overflow:auto;background:#fffff9f5;padding:22px;border:1px solid var(--line);border-radius:6px;box-shadow:0 8px 30px #24372b10}#inspector h3{font:600 15px/1.45 'Manrope',sans-serif;margin:10px 0 16px;overflow-wrap:anywhere}#close-inspector{position:absolute;right:9px;top:5px;background:none;border:0;font-size:20px}#element-data{font-size:10px;color:var(--muted);overflow-wrap:anywhere;line-height:1.7}#element-data dt{font-weight:600;color:var(--green);margin-top:9px}#element-data dd{margin:0}#focus-element{font-size:11px;margin-top:17px;width:100%}#error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:340px;max-width:90%;padding:26px;background:#fffef8;border:1px solid var(--line);border-radius:10px}#error p{font-size:13px;line-height:1.6}#mobile-menu{display:none}dialog{border:1px solid var(--line);border-radius:12px;padding:36px;max-width:540px;width:calc(100% - 36px);background:#faf9f4;color:var(--green)}dialog::backdrop{background:#1e1d18cc;backdrop-filter:blur(3px)}dialog .close{position:absolute;right:15px;top:12px;font-size:22px;background:none;border:0}dialog h2{font:500 29px/1.25 'Manrope',sans-serif;letter-spacing:-1px}dialog p{font-size:12px;line-height:1.7;color:var(--muted)}dialog label{display:block;font-size:11px;font-weight:600;margin:20px 0 8px}textarea{width:100%;padding:12px;font-size:11px;line-height:1.5;color:#555344;border:1px solid var(--line);border-radius:5px;background:#f5f3e8;resize:vertical}dialog button{font-size:11px;margin-top:8px}#copy-status{min-height:17px}body.embed header{height:63px}body.embed main{height:calc(100dvh - 63px)}body.embed .intro{display:none}body.embed aside{padding-top:8px;width:280px;min-width:280px}body.embed .edition{display:none}@media(min-width:1600px){aside{width:370px;min-width:370px;padding:40px 32px}h1{font-size:38px}.lede{font-size:13px}.presets button{padding:14px}.discipline{min-height:36px;font-size:12px}}@media(max-width:1100px){.project{display:none}.tools{top:92px;left:28px;right:auto}.coordinates{display:none}.stage-heading{top:27px}#cut-panel{top:140px;left:28px;right:auto}}@media(max-width:700px){header{height:68px;padding:0 19px}.brand{font-size:24px}.brand small{font-size:7px}.dark{font-size:11px;padding:9px 12px}.dark span{padding-left:10px}main{height:calc(100dvh - 68px);min-height:400px}aside,body.embed aside{display:none;position:absolute;z-index:10;top:68px;bottom:0;width:285px;min-width:285px;box-shadow:10px 0 30px #22372520}body.show-menu aside{display:block}.intro{display:none}.stage-heading{left:19px;top:23px}.stage-heading h2{font-size:17px}.tools{top:85px;left:18px;right:18px;gap:4px;flex-wrap:wrap}.tools button{font-size:9px;padding:8px}#mobile-menu{display:block;position:absolute;right:17px;top:23px;font-size:10px;padding:9px;background:#fffef5}.stage-footer{left:18px;right:18px;bottom:18px;font-size:8px;line-height:1.6}#cut-panel{top:130px;left:18px}#inspector{right:18px;bottom:60px;max-width:calc(100% - 36px);max-height:45%}#status{bottom:55px;white-space:normal;font-size:10px;width:max-content;max-width:90%}dialog{padding:25px}body.embed main{height:calc(100dvh - 63px)}body.embed aside{top:63px}}

/* NAFRAME yellow, black and white. */
:root{--accent:#fedb03;--ink:#161616;--green:#161616}
header{background:var(--ink);color:white;border-bottom:3px solid var(--accent)}
.brand{display:flex;flex-direction:column;align-items:center;width:192px;flex-shrink:0;height:70px;padding-top:4px;letter-spacing:0}.brand-image{display:block;position:relative;width:192px;height:47px;overflow:hidden}.brand-image img{position:absolute;width:229px;height:auto;max-width:none;left:-19px;top:-32px}.brand small{color:white;font-size:8px;letter-spacing:3.2px;margin-top:6px}
.header-actions{display:flex;gap:8px;align-items:center}header .project{color:#eee}header .edition{color:#aaa99f}header .dot{background:var(--accent)}header button{background:transparent;border-color:#5a594d;color:#fff;font-size:11px}header button:hover{background:#363327}.dark{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:600}.dark:hover{background:#f0cb00;color:var(--ink)}
.presets .active{background:var(--accent);border-color:var(--accent);color:var(--ink)}.presets .active span{color:#403915}.discipline input:checked{background:var(--accent);border-color:#a88e00}.discipline input:checked:after{color:#161616}.tools button.active{background:var(--accent);color:#161616}.panel-browser{border-bottom:1px solid var(--line);padding-bottom:15px}.panel-browser>label{display:block;font-size:10px;color:var(--muted);margin-bottom:7px}.panel-browser>select{width:100%;font-size:11px}.panel-search{display:flex;gap:6px;margin-top:8px}.panel-search select{min-width:0;flex:1;font-size:11px}.panel-search button{font-size:10px;padding:8px;white-space:nowrap}.panel-hint{font-size:9px;color:var(--muted);line-height:1.5;margin:8px 0 0}#isolate-selection,#restore-selection{width:100%;font-size:11px;margin-top:7px}#element-data .code-row{font:700 16px 'Manrope',sans-serif;color:#161616}.offline-project{display:flex;gap:14px;align-items:center;padding:15px;background:#fff9d9;border:1px solid #e0d9b4;border-radius:7px;margin:22px 0 12px}.offline-project img{border-radius:9px}.offline-project b{display:block;font-size:14px}.offline-project span{display:block;font-size:11px;color:var(--muted);margin-top:6px}#offline-state{font-weight:600;color:#443d23}#offline-state.ready{color:#7a6600}#download-offline{width:100%;padding:13px}#offline-details{min-height:18px;font-size:11px}#offline-progress{display:block;width:100%;height:8px;accent-color:var(--accent);margin:15px 0}#offline-progress[hidden]{display:none}.install-block{margin-top:25px;padding-top:16px;border-top:1px solid var(--line)}.install-block h3{font-size:13px}#install-help{font-size:11px;line-height:1.8}#check-offline{font-size:10px}.coordinates.is-offline{color:#7a6600}.coordinates.is-ready{color:#7a6600}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline-color:#9a7d00}dialog{background:#fafaf7}dialog .eyebrow{color:#796300}.stage-footer{align-items:flex-end}.coordinates{white-space:nowrap}
@media(max-width:700px){header{gap:7px;padding:0 11px}.brand{width:139px;height:59px;padding-top:3px}.brand-image{width:139px;height:36px}.brand-image img{width:166px;left:-14px;top:-23px}.brand small{font-size:6px;letter-spacing:2.7px;margin-top:5px}.header-actions{gap:5px}header button{font-size:10px;padding:8px}.desktop-label{display:none}header .dark span{display:none}.coordinates{display:block;font-size:7px;letter-spacing:.5px}.stage-footer{gap:12px}.stage-footer>span:first-child{max-width:62%}#inspector{max-height:49%}.offline-project{padding:10px}.offline-project b{font-size:13px}.panel-browser .section-label{margin-top:18px}#offline-dialog h2{font-size:25px}.brand-image img{max-width:none}}

.installation-highlight{outline:2px solid #fedb03;outline-offset:6px;border-radius:4px}

/* R04: accessible tools for site work and narrow phone viewports. */
[hidden]{display:none!important}
.stage-only{display:flex;gap:8px;align-items:flex-start;font-size:10px;line-height:1.5;margin:12px 0 0}.stage-only input{accent-color:#fedb03;margin:2px 0 0}
.presets button{padding:10px 12px}.presets b{font-size:11px}.presets span{font-size:9px}
.tools{top:86px;left:28px;right:25px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}.tools button{white-space:nowrap;flex-shrink:0}
.view-controls{position:absolute;top:132px;left:28px;display:flex;gap:8px;align-items:center}.view-controls button{font-size:10px;background:#fafbf7f2;padding:9px 12px}.view-controls .active{background:#fedb03;color:#161616;border-color:#a88e00}.lens-controls{display:flex;gap:3px}
#cut-panel{top:180px;left:28px;right:auto;z-index:4}
#navigation-pad{position:absolute;left:28px;bottom:60px;width:202px;background:#fffffaf2;border:1px solid var(--line);padding:10px;border-radius:7px;box-shadow:0 3px 15px #17291d16}.pad-heading{font-size:9px;color:var(--muted)}.pad-heading select{font-size:9px;margin-top:6px;width:100%}.pad-buttons{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-top:6px}.pad-buttons button{font-size:10px;min-height:38px;padding:7px;touch-action:none;user-select:none}.pad-buttons button:active{background:#fedb03}
#hide-element,#hide-category{width:100%;font-size:10px;margin-top:7px}
#measure-panel{position:absolute;right:25px;top:180px;width:285px;max-height:42%;overflow:auto;background:#fffffaf5;border:1px solid var(--line);border-radius:7px;padding:14px;box-shadow:0 3px 15px #17291d16;z-index:3}.measure-heading{display:flex;align-items:center;justify-content:space-between;font-size:12px}.measure-heading button{padding:0 6px;border:0;background:none;font-size:19px}#measure-help{font-size:11px;line-height:1.6}#measure-clear{font-size:10px}.measurement-row{display:flex;gap:8px;align-items:center;padding:7px 0;border-bottom:1px solid var(--line);font-size:10px;line-height:1.6}.measurement-row button{padding:4px 8px;margin-left:auto}.measure-label{position:absolute;transform:translate(-50%,-140%);font-size:11px;font-weight:700;color:#fff;background:#29271d;border:1px solid white;border-radius:4px;padding:4px 7px;white-space:nowrap;pointer-events:none;box-shadow:0 1px 4px #1113}
.release{font-size:10px!important;color:#796300!important}.stage-heading{max-width:calc(100% - 60px)}.stage-heading h2{font-size:18px}#inspector{max-height:44%}
@media(max-width:700px){.tools{top:85px;left:18px;right:18px;gap:5px}.tools button{padding:9px 11px;font-size:10px}.view-controls{top:128px;left:18px;right:18px;justify-content:space-between}.view-controls button{min-height:36px}.stage-heading{max-width:calc(100% - 145px)}.stage-heading h2{font-size:14px;line-height:1.3}#mobile-menu{font-size:9px;padding:8px;right:12px}#cut-panel{top:174px;left:18px}#navigation-pad{left:18px;bottom:65px;width:172px}.pad-buttons button{min-height:40px}#measure-panel{top:174px;right:18px;max-width:calc(100% - 36px);width:270px;max-height:36%}#inspector{bottom:62px;max-height:36%;width:260px}.stage:has(#inspector:not([hidden])) #navigation-pad{visibility:hidden}.stage:has(#measure-panel:not([hidden])) #inspector{display:none}.stage-footer>span:first-child{max-width:65%}#offline-dialog{max-height:90dvh;overflow:auto}}
@media(max-height:570px){#navigation-pad{bottom:48px;width:235px}.pad-buttons{grid-template-columns:repeat(3,1fr)}#measure-panel{top:165px;max-height:38%}.stage-heading{top:12px}.tools{top:60px}.view-controls{top:102px}}

.filter-label{display:block;font-size:10px;line-height:1.5;margin-bottom:8px;color:#68685f}#floor{width:100%;padding:10px;border:1px solid #deded4;border-radius:5px;background:white;font:inherit;font-size:12px}.approval{margin-top:24px;padding-top:18px;border-top:1px solid #deded4;font-size:11px;line-height:1.65}.approval p{color:#68685f;margin:7px 0}.approval b{font-size:12px}.lede b{display:block;margin-top:12px;color:#161616;font-weight:500}header .project{color:white}.presets .active span{color:#403915}.stage-heading h2{font-size:18px}#element-count{font-size:8px}.coordinates{white-space:normal;text-align:right}@media(max-width:700px){.project{display:none!important}#element-count{max-width:40%;font-size:7px}.stage-heading h2{font-size:13px}.lede{margin-bottom:18px}}

#tour{width:100%;padding:10px;border:1px solid #deded4;border-radius:5px;background:white;font:inherit;font-size:12px}.tour-label{margin-top:18px}
.model-link{padding:8px 0;border-bottom:1px solid #dedfd9}.model-link .discipline{margin:0}.model-link>a{display:inline-block;margin:0 0 5px 30px;font-size:11px;color:#6f5c00;text-decoration:underline}.presets{grid-template-columns:1fr 1fr}.model-link span{font-weight:600}
/* Six movable clipping faces. UI remains usable when guides are hidden. */
#cut-panel{display:block;top:180px;left:28px;width:300px;max-width:calc(100% - 48px);max-height:calc(100% - 245px);overflow:auto;padding:12px;background:#fffffaf5;border:1px solid var(--line);border-radius:8px;box-shadow:0 5px 22px #17291d22;z-index:5;scrollbar-width:thin}
.section-box-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px}.section-box-heading button{font-size:10px;padding:5px 7px;background:transparent}
.section-box-help{font-size:10px;line-height:1.6;color:var(--muted);margin:10px 0}.section-face-row{display:grid;grid-template-columns:84px minmax(50px,1fr) 55px;align-items:center;gap:7px;min-height:36px;border-bottom:1px solid #e9e8df;border-left:2px solid var(--face-color);padding-left:6px}.section-face-row label{display:flex;align-items:center;gap:6px;font-size:10px;cursor:pointer;white-space:nowrap}.section-face-row input[type=checkbox]{margin:0;accent-color:var(--face-color);width:14px;height:14px}.section-face-row input[type=range]{width:100%;min-width:0;margin:0;accent-color:var(--face-color);height:30px;cursor:ew-resize}.section-face-row output{font-size:9px;text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}.section-face-row.is-off{opacity:.55}.section-face-row.is-selected{background:#fff5bb}
.section-guides{display:flex!important;gap:7px;align-items:center;font-size:10px!important;margin:12px 0;line-height:1.5}.section-guides input{accent-color:#9a7d00}.section-box-actions{display:flex;gap:6px}.section-box-actions button{font-size:10px;padding:8px;flex:1}.section-box-size{font-size:9px;color:var(--muted);text-align:right;margin:9px 0 0;font-variant-numeric:tabular-nums}
.section-labels{position:absolute;inset:0;pointer-events:none;z-index:2;overflow:hidden}.section-face-label{position:absolute;transform:translate(-50%,-100%);pointer-events:auto;white-space:nowrap;touch-action:manipulation;font-size:10px;font-weight:600;color:var(--face-color);background:#fffffff2;border:1px solid var(--face-color);box-shadow:0 1px 4px #1112;padding:4px 7px;border-radius:4px}.section-face-label:hover{background:white}.section-face-label.is-off{color:#788087;border-color:#9da5aa;border-style:dashed;background:#ffffffd0}
@media(max-width:700px){#cut-panel{top:174px;left:18px;width:278px;max-width:calc(100% - 36px);max-height:calc(100% - 238px)}.section-face-label{font-size:10px;padding:6px 8px}.section-face-row{min-height:38px;grid-template-columns:78px minmax(40px,1fr) 50px;gap:5px}}
@media(max-height:570px){#cut-panel{top:148px;max-height:calc(100% - 200px)}}
.study-link{display:block;margin:18px 0 10px;padding:11px 12px;border:1px solid #ccba62;background:#fff8d1;color:#665500;border-radius:5px;font-size:11px;line-height:1.6;text-decoration:none;font-weight:600}

/* Partner header and neutral canvas. */
:root{--header-size:112px;--accent:#fedb03;--ink:#161616}
header,body.embed header{height:var(--header-size);padding:0 28px}
main,body.embed main{height:calc(100dvh - var(--header-size))}
header .project{font-size:9px;letter-spacing:1.2px;line-height:1.6}
.presets .active span{color:#403915}.study-link:hover{background:#ffed91}.model-link>a{color:#6f5c00}
header .dark{border-color:var(--accent);background:var(--accent);color:#161616}header .dark:hover{background:#f0cb00}
@media(max-width:1100px){header .project{display:none}}
@media(max-width:700px){:root{--header-size:96px}header,body.embed header{padding:0 11px;gap:8px}aside,body.embed aside{top:var(--header-size)}header .dark{padding:9px 10px;font-size:10px}}

.radier-toggle{display:block;width:100%;margin-top:10px;font-size:11px;text-align:left;background:#fff9dc;border-color:#d1c478;padding:10px 12px}.radier-toggle.active{background:#fff0a0;border-color:#a88e00}.radier-toggle:disabled{cursor:default;opacity:.55}.presets b{line-height:1.5}