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var(--lab-line);background:var(--lab-surface);min-height:44px;color:var(--lab-ink);cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:8px;padding:9px 13px;font-weight:550;line-height:1.25;display:inline-flex}button:hover:not(:disabled){background:#eef1eb;border-color:#b8c4bc}button:disabled{opacity:.48;cursor:not-allowed}button.primary{color:#fff;background:var(--lab-action);border-color:var(--lab-action)}button.primary:hover:not(:disabled){background:#9c3500;border-color:#9c3500}a{color:var(--lab-action);text-decoration:none}a:hover{text-decoration:underline}button svg{flex-shrink:0}input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--lab-action);outline-offset:3px}input,select,textarea{border:1px solid var(--lab-line);color:var(--lab-ink);background:#fff;border-radius:6px;max-width:100%;min-height:44px;padding:10px 12px}select{width:100%;padding-right:25px;font-size:13px}input[type=checkbox]{appearance:auto;accent-color:var(--lab-action);flex-shrink:0;width:16px;height:16px;min-height:auto;margin:0;padding:0}h1,h2,h3,p{margin:0}p{line-height:1.55}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip-link{z-index:100;border:2px solid var(--lab-action);background:#fff;padding:15px;position:fixed;top:-100px;left:20px}.skip-link:focus{top:15px}.eyebrow{letter-spacing:.12em;color:var(--lab-muted);font-size:10px;font-weight:650;line-height:1.4}.app-shell{max-width:1920px;margin:auto}.app-header{background:var(--lab-surface);border-bottom:1px solid var(--lab-line);align-items:center;gap:26px;min-height:86px;padding:19px 36px;display:flex}.brand{flex-shrink:0;align-items:center;width:170px;display:flex}.brand img{width:100%;height:auto}.product-title{border-left:1px solid var(--lab-line);padding-left:25px}.product-title h1{letter-spacing:-.5px;margin-top:3px;font-size:19px;font-weight:650}.header-actions{gap:8px;margin-left:auto;display:flex}.header-actions>button{background:0 0;border-color:#0000}.export-wrap{position:relative}.export-menu{border:1px solid var(--lab-line);z-index:30;background:#fff;border-radius:9px;width:230px;padding:6px;position:absolute;top:52px;right:0;box-shadow:0 12px 30px #141d2319}.export-menu button{border:0;justify-content:flex-start;width:100%}.workspace-heading{justify-content:space-between;align-items:center;padding:27px 36px 23px;display:flex}.workspace-heading h2{letter-spacing:-.3px;margin-top:4px;font-family:Barlow Condensed,Inter,sans-serif;font-size:37px;font-weight:600}.workspace-heading p{color:var(--lab-muted);margin-top:4px;font-size:13px}.quiet-button{color:var(--lab-muted);background:0 0;border:0;font-size:12px}.workspace-layout{grid-template-columns:318px minmax(0,1fr);align-items:start;gap:18px;padding:0 36px;display:grid}.configuration{border:1px solid var(--lab-line);background:#fff;border-radius:10px;overflow:hidden}.configuration-content{scrollbar-width:thin;scrollbar-color:#c8d1c9 transparent;min-height:600px;max-height:calc(100dvh - 266px);overflow-y:auto}.document-heading{border-bottom:1px solid var(--lab-line);background:#f1f4ef;padding:22px 20px 17px}.document-heading input{background:0 0;border:0;border-radius:0;width:100%;min-height:35px;margin:3px 0;padding:6px 0;font-size:18px;font-weight:600}.document-status{color:var(--lab-muted);align-items:center;gap:5px;font-size:10px;display:flex}.document-status i{background:var(--lab-action);border-radius:50%;width:5px;height:5px}.panel-section{border-bottom:1px solid var(--lab-line);padding:20px}.panel-section:last-child{border-bottom:0}.section-heading{align-items:center;gap:9px;margin-bottom:15px;display:flex}.section-number{color:var(--lab-action);font-variant-numeric:tabular-nums;font-size:10px;font-weight:600}.section-heading h3{letter-spacing:-.15px;font-size:14px;font-weight:650}.part-tag{letter-spacing:.08em;color:var(--lab-muted);margin-left:auto;font-size:8px;font-weight:650}.vehicle-meta{color:var(--lab-muted);justify-content:space-between;margin-top:11px;font-size:10px;display:flex}.accuracy-note{color:#826315;background:0 0;border:0;justify-content:flex-start;gap:5px;min-height:36px;padding:0;font-size:10px}.segmented{border:1px solid var(--lab-line);background:#edf1eb;border-radius:7px;gap:2px;padding:3px;display:flex}.segmented button{min-height:36px;color:var(--lab-muted);background:0 0;border:0;border-radius:5px;padding:7px 13px;font-size:12px}.segmented button.active{color:var(--lab-ink);background:#fff;box-shadow:0 1px 3px #141d2312}.setup-segment button{flex:1;min-height:38px;font-size:11px}.field-hint{color:var(--lab-muted);margin-top:8px;font-size:10px;line-height:1.6}.number-field{margin-top:13px}.field-heading{justify-content:space-between;align-items:center;margin-bottom:7px;display:flex}.field-heading label,.select-label{font-size:11px;font-weight:550;display:block}.field-lock{color:var(--lab-muted);font-size:9px}.number-entry{border:1px solid var(--lab-line);background:var(--lab-paper);border-radius:6px;align-items:center;min-width:0;display:flex;overflow:visible}.number-entry input{font-variant-numeric:tabular-nums;background:#fff;border:0;border-radius:6px 0 0 6px;flex:1;width:0;min-width:0;padding:9px 11px;font-size:14px;font-weight:550}.number-entry>span{color:var(--lab-muted);background:#fff;align-self:stretch;align-items:center;min-width:25px;padding-right:10px;font-size:11px;display:flex}.number-entry button{border:0;border-left:1px solid var(--lab-line);background:0 0;border-radius:0;width:38px;min-height:44px;padding:5px;font-size:17px;font-weight:400}.number-entry button:last-child{border-radius:0 6px 6px 0}.field-error{color:#a02e19;margin-top:7px;font-size:11px}.lock-option{color:var(--lab-muted);cursor:pointer;align-items:center;gap:7px;min-height:36px;font-size:10px;display:flex}.profile-preview{background:var(--lab-paper);border:1px solid var(--lab-line);text-align:center;border-radius:7px;padding:8px 14px 10px}.profile-preview svg{width:100%;height:46px;display:block}.profile-preview span{color:var(--lab-muted);font-size:9px}.component-row{align-items:center;gap:7px;min-height:25px;font-size:11px;display:flex}.component-row>span:last-child{color:var(--lab-muted);margin-left:auto;font-size:10px}.color-key{border-radius:2px;width:8px;height:8px}.color-key.upright{background:#f5cf18;border:1px solid #9e880e}.color-key.base{background:#7745e8}.summary-section{background:#f6f8f3}.summary-section dl{margin:0}.summary-section dl>div{justify-content:space-between;gap:9px;margin-bottom:12px;font-size:10px;display:flex}.summary-section dt{color:var(--lab-muted)}.summary-section dd{text-align:right;margin:0;font-weight:550}.unassessed{border-top:1px solid var(--lab-line);align-items:center;gap:6px;padding:13px 0;font-size:10px;display:flex}.snapshot-button{background:var(--lab-night);color:#fff;border-color:var(--lab-night);width:100%;font-size:12px}.snapshot-button:hover:not(:disabled){color:#fff;background:#27343c}.viewport-panel{border:1px solid var(--lab-line);background:#fff;border-radius:10px;min-width:0;overflow:hidden}.viewport-toolbar{border-bottom:1px solid var(--lab-line);align-items:center;gap:8px;min-height:70px;padding:12px 15px;display:flex}.toolbar-divider{background:var(--lab-line);width:1px;height:22px;margin:0 4px}.framing-controls{gap:3px;display:flex}.framing-controls button{color:var(--lab-muted);background:0 0;border:0;min-height:40px;padding:8px;font-size:11px}.framing-controls button.active{color:var(--lab-action)}.toolbar-spacer{flex:1}.icon-button{background:0 0;border:0;width:36px;min-height:40px;padding:8px}.unit-toggle button{min-height:32px;padding:6px 10px;font-size:10px}.viewport-options{justify-content:space-between;align-items:center;padding:13px 22px;font-size:10px;display:flex}.study-label{color:var(--lab-muted);align-items:center;gap:6px;display:flex}.study-label strong{color:var(--lab-ink);font-weight:550}.accuracy-chip{color:#7d652c;background:#f5f0df;border:1px solid #e8dfc9;border-radius:4px;margin-left:6px;padding:4px 6px;font-size:9px}.viewport-options>div{gap:16px;display:flex}.viewport-options label{cursor:pointer;align-items:center;gap:6px;min-height:30px;display:flex}.viewport-options input{width:13px;height:13px}.scene-wrap{background:var(--lab-paper);touch-action:none;height:clamp(380px,52dvh,700px);position:relative;overflow:hidden}.scene{width:100%;height:100%}.scene canvas{touch-action:none;display:block}.view-caption{pointer-events:none;flex-direction:column;gap:6px;display:flex;position:absolute;top:23px;left:24px}.view-caption>.eyebrow{font-size:9px}.view-caption>span:last-child{color:var(--lab-muted);font-size:9px}.dimension-overlay{pointer-events:none;position:absolute;inset:0}.handle{color:#fff;touch-action:none;cursor:grab;z-index:4;background:#252e31;border:1px solid #fff;border-radius:50%;width:44px;height:44px;min-height:44px;padding:0;position:absolute;transform:translate(-50%,-50%);box-shadow:0 2px 6px #141d2329}.handle:hover:not(:disabled),.handle.selected{background:var(--lab-action);color:#fff}.handle:disabled{opacity:.45;pointer-events:none}.rotate-handle{border:1px solid var(--lab-action);color:var(--lab-action);box-shadow:none;background:#fff}.base-handle{background:#7745e8}.span-handle{background:#252e31}.dragging,.dragging 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summary>span{background:var(--lab-paper);border-radius:4px;margin-left:auto;padding:2px 5px}.diagnostics ul{margin:0;padding:0 28px 16px 43px;line-height:1.65}.diagnostics li{margin-top:9px}.diagnostics li strong{color:var(--lab-ink);font-weight:550;display:block}.app-footer{color:var(--lab-muted);justify-content:space-between;align-items:center;gap:20px;padding:22px 36px;font-size:9px;display:flex}.app-footer>span:first-child,.app-footer>a{align-items:center;gap:5px;display:flex}.app-footer>span:last-child{letter-spacing:.12em;font-size:8px}.app-error{background:#fff0e9;border:1px solid #e3bfb0;border-radius:7px;align-items:center;gap:10px;margin:0 36px 18px;padding:12px 16px;font-size:12px;display:flex}.app-error>svg{flex-shrink:0}.app-error>button{background:0 0;border:0;min-height:30px;margin-left:auto;padding:3px}.mobile-sheet-toggle{display:none}.project-dialog{border:1px solid var(--lab-line);color:var(--lab-ink);border-radius:13px;width:min(94%,500px);max-height:85dvh;padding:26px;box-shadow:0 20px 90px #141d2330}.project-dialog::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#141d2355}.dialog-heading{justify-content:space-between;align-items:center;gap:15px;margin-bottom:16px;display:flex}.dialog-heading h2{letter-spacing:-.6px;font-size:23px}.dialog-heading button{background:0 0;border:0;flex-shrink:0;padding:7px}.project-dialog p{color:var(--lab-muted);margin:12px 0;font-size:13px}.project-dialog h3{margin:22px 0 10px;font-size:13px}.project-dialog label{margin:16px 0 7px;font-size:12px;display:block}.project-dialog textarea{resize:vertical;overflow-wrap:anywhere;width:100%;font-size:11px}.wide{width:100%;margin-top:9px}.saved-study{text-align:left;justify-content:space-between;align-items:center;width:100%;margin:9px 0;padding:12px;font-size:12px;display:flex}.saved-study small{color:var(--lab-muted);margin-top:4px;font-size:9px;display:block}.about-dialog{width:min(94%,600px)}.vector-fallback{background:var(--lab-paper);flex-direction:column;justify-content:center;display:flex;position:absolute;inset:0}.vector-fallback svg{width:100%;height:auto}.vector-fallback p{color:var(--lab-muted);padding:10px 20px;font-size:11px}@media (width>=1600px){.workspace-layout{grid-template-columns:340px minmax(0,1fr)}.workspace-heading{padding-top:32px}.scene-wrap{height:clamp(500px,56dvh,800px)}}@media (width<=1200px){.app-header{gap:20px;padding-left:24px;padding-right:24px}.workspace-heading{padding-left:24px;padding-right:24px}.workspace-layout{grid-template-columns:290px minmax(0,1fr);gap:14px;padding:0 24px}.app-footer{padding-left:24px;padding-right:24px}.viewport-toolbar{gap:4px;padding:10px}.segmented button{padding-left:10px;padding-right:10px}.framing-controls button{padding:6px;font-size:10px}.camera-reset{display:none}.live-measurements>div{padding:0 13px}.live-measurements strong{font-size:21px}.scene-legend,.planning-note button{display:none}}@media (width<=1000px){.brand{width:145px}.product-title{padding-left:20px}.header-actions{gap:3px}.header-actions button{padding:8px 10px;font-size:12px}.workspace-heading h2{font-size:34px}.workspace-layout{grid-template-columns:270px minmax(0,1fr);padding:0 18px}.panel-section{padding:18px}.viewport-toolbar{flex-wrap:wrap}.toolbar-divider{display:none}.framing-controls{border-top:1px solid var(--lab-line);order:4;justify-content:center;width:100%;margin-top:5px}.framing-controls button,.view-segment button{min-height:32px}.viewport-options{padding:10px 12px}.viewport-options>div{gap:8px}.study-label{gap:3px;font-size:9px}.accuracy-chip{display:none}.live-measurements{padding:16px 0}.live-measurements>div{padding:0 8px}.live-measurements strong{letter-spacing:-.5px;font-size:18px}.live-measurements 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