:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#dfe8e6;background:#0b1215;font-synthesis:none;--muted:#8da4a5;--line:#283b40;--accent:#96d7bd;--panel:#111e23}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,select,input,textarea{outline-offset:4px}button,select{cursor:pointer}button{border:1px solid var(--line);border-radius:7px;background:#17292e;color:#dfe8e6;padding:9px 13px}button:hover{background:#233a40;border-color:#6c9e91}button.active,button.primary{background:var(--accent);color:#102a25;border-color:var(--accent)}a{color:inherit;text-decoration:none}header{display:flex;align-items:center;gap:18px;padding:16px 30px;border-bottom:1px solid var(--line)}.brand{font-size:18px;font-weight:750;letter-spacing:3px;display:flex;align-items:center;gap:10px}.brand-icon{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--accent);border-radius:8px;color:var(--accent);font-size:20px;letter-spacing:0}.badge{font-size:10px;letter-spacing:1.5px;color:var(--accent);background:#19322e;padding:6px 9px;border-radius:4px}.header-right{margin-left:auto;display:flex;align-items:center;gap:20px}#save-state,.website{font-size:12px;color:var(--muted)}select,input,textarea{border:1px solid var(--line);border-radius:6px;background:#0f1b20;color:#e2eae8;padding:9px 10px}select{max-width:100%}.intro{padding:30px 32px 25px;display:flex;justify-content:space-between;gap:24px;align-items:center}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--accent);margin-bottom:10px}h1{font-size:clamp(22px,2.5vw,34px);font-weight:550;letter-spacing:-.8px;margin:0 0 12px}p{line-height:1.6}.intro p{font-size:13px;max-width:760px;margin:0;color:var(--muted)}.intro-meta{display:flex;flex-direction:column;gap:8px;flex-shrink:0}.intro-meta strong{font-size:13px;letter-spacing:1px}.intro-meta span{font-size:11px;color:var(--muted)}.workflow{display:flex;gap:8px;padding:0 32px 18px}.workflow button{font-size:12px;padding:11px 18px}.workflow .export{margin-left:auto;background:transparent;color:var(--accent)}main{margin:0 32px}.model-toolbar{display:flex;align-items:center;gap:18px;padding:14px 16px;background:var(--panel);border:1px solid var(--line);border-radius:10px 10px 0 0;font-size:12px}.model-toolbar label{display:flex;align-items:center;gap:9px;color:var(--muted)}.model-toolbar>button:last-child{margin-left:auto}.segmented{display:flex;gap:4px}.model-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;border:1px solid var(--line);border-top:0;border-radius:0 0 10px 10px;overflow:hidden}.stage{position:relative;height:clamp(400px,54vh,690px);background:radial-gradient(ellipse at 45% 40%,#1b3039,#0c181e)}#viewport{position:absolute;inset:0;touch-action:none}#viewport canvas{display:block;width:100%;height:100%}.stage-top,.stage-bottom{position:absolute;left:18px;right:18px;pointer-events:none;display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:.4px;color:#a7bebc}.stage-top{top:17px}.stage-bottom{bottom:14px}.zoom{pointer-events:auto;display:flex;gap:4px}.zoom button{font-size:18px;width:32px;padding:3px}.stage-bottom>span{background:#0b151ab8;padding:8px;border-radius:5px}.model-note{font-size:11px;color:var(--muted);margin:12px 4px}#model-loading{position:absolute;inset:0;display:grid;place-items:center;background:#0b151ad9;font-size:14px}#model-loading[hidden]{display:none}aside{background:var(--panel);padding:23px;border-left:1px solid var(--line);max-height:690px;overflow:auto}aside h2{font-size:20px;font-weight:550;margin:10px 0}aside h3{font-size:13px;margin-top:25px}aside p{font-size:12px;color:var(--muted)}.overline{font-size:10px;letter-spacing:1.5px;color:var(--accent)}.steps{padding-left:18px;font-size:12px;line-height:2;color:#b7c8c6}.key{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted);margin:13px 0}.key i{width:9px;height:9px;border-radius:2px}.detail-row{display:flex;justify-content:space-between;gap:8px;font-size:12px;border-bottom:1px solid var(--line);padding:11px 0}.detail-row span{color:var(--muted)}.detail-row b{font-weight:500;text-align:right;overflow-wrap:anywhere}aside button{width:100%;margin-top:12px;font-size:12px}.muted{color:var(--muted);font-size:12px}.id{font-family:Consolas,monospace;color:var(--muted);font-size:10px;overflow-wrap:anywhere}.table-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 0}h2{font-size:22px;font-weight:550;margin:0 0 6px}.table-toolbar p{font-size:12px;color:var(--muted);margin:0}.filters{display:flex;gap:8px;font-size:12px}.filters input{width:200px}.stats{display:flex;gap:12px;margin-bottom:18px}.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:13px 18px;min-width:150px}.stat b{font-size:22px;font-weight:550;display:block;margin-bottom:4px}.stat span{font-size:11px;color:var(--muted)}.table-scroll{max-height:58vh;overflow:auto;border:1px solid var(--line);border-radius:8px}table{width:100%;border-collapse:collapse;font-size:12px}th{position:sticky;top:0;background:#182b30;text-align:left;font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:#a2b8b7;padding:14px 16px;z-index:1}td{padding:13px 16px;border-top:1px solid #22363b}tbody tr{background:#101d22}tbody tr:hover{background:#172b30}td:first-child{min-width:220px}td strong{font-size:12px;font-weight:500;display:block}td small{display:block;color:var(--muted);font-size:10px;margin-top:6px}td button{font-size:11px;padding:6px 9px}.status{display:inline-block;font-size:10px;padding:5px 8px;border-radius:5px;background:#283237;color:#bdcdcc;white-space:nowrap}.status.needs_design{background:#392f20;color:#e6c17d}.status.confirmed{background:#1e3b31;color:#9cddbc}.status.corrected{background:#1a3544;color:#a1d8ed}.status.excluded{color:#a3abb0}footer{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:20px 32px;font-size:11px;color:var(--muted)}footer button{font-size:11px;background:transparent}dialog{background:#122329;border:1px solid #476267;color:#e0e9e7;border-radius:12px;padding:24px;width:min(520px,calc(100vw - 24px));max-height:90vh;box-shadow:0 25px 90px #0008}dialog::backdrop{background:#02090bc7;backdrop-filter:blur(4px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);margin-bottom:20px}.dialog-head button{font-size:22px;padding:0 8px;background:transparent}form label{display:flex;flex-direction:column;gap:7px;margin:15px 0;font-size:12px}form h2{font-size:20px}form p{font-size:12px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.form-actions button{font-size:12px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--accent);color:#102a25;padding:12px 20px;border-radius:8px;font-size:12px;box-shadow:0 10px 30px #0005;opacity:0;pointer-events:none;z-index:10}#toast.on{opacity:1}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}#empty{text-align:center;padding:40px;color:var(--muted)}
@media(min-width:1600px){body{max-width:1800px;margin:auto}}
@media(max-width:1000px){.intro-meta{display:none}.model-layout{grid-template-columns:minmax(0,1fr) 240px}.table-toolbar{align-items:flex-start;flex-direction:column}.filters{flex-wrap:wrap}.model-toolbar{gap:8px;flex-wrap:wrap}.model-toolbar label>span{display:none}.header-right{gap:10px}#save-state{max-width:140px}}
@media(max-width:700px){header{padding:12px 14px;gap:10px}.brand{font-size:15px}.badge{font-size:8px;padding:5px}.website,#save-state{display:none}.intro{padding:23px 16px 20px}h1{font-size:25px}.intro p{font-size:12px}.workflow{padding:0 16px 14px;gap:5px;flex-wrap:wrap}.workflow button{font-size:10px;padding:9px 10px}.workflow .export{margin-left:0}main{margin:0 12px}.model-layout{grid-template-columns:1fr}.stage{height:400px}aside{border-left:0;border-top:1px solid var(--line);max-height:330px;padding:18px}.model-toolbar{font-size:10px;padding:10px}.model-toolbar button,.model-toolbar select{font-size:10px;padding:8px}.stage-bottom>span{font-size:9px;max-width:78%}.stage-top{left:12px;right:12px}.stats{gap:6px}.stat{min-width:0;flex:1;padding:10px}.stat b{font-size:20px}.filters{width:100%}.filters input{flex:1;min-width:150px}.filters select{max-width:45%}.table-scroll{max-height:60vh}footer{margin:16px;align-items:flex-start;font-size:10px}footer span{max-width:65%}.model-note{font-size:10px}}

/* Source pixels remain in displayed PDF coordinates beside the model. */
.model-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr) 245px;align-items:stretch}.drawing-pane{min-width:0;background:#17282d;border-left:1px solid var(--line);display:flex;flex-direction:column;padding:12px;gap:8px}.drawing-head{display:flex;align-items:center;justify-content:space-between;gap:6px}.drawing-head button{font-size:10px;padding:5px 8px}.drawing-pane>select{width:100%;font-size:11px}.drawing-selection{display:flex;flex-direction:column;gap:4px;min-height:31px;overflow-wrap:anywhere}.drawing-selection strong{font-size:11px;font-weight:500}.drawing-selection span{font-size:10px;color:var(--accent)}.drawing-stage{position:relative;flex:1;min-height:270px;background:#ecf0ec;border-radius:5px;overflow:hidden}.drawing-stage svg{display:block;width:100%;height:100%;position:absolute;inset:0;touch-action:none;cursor:grab}.drawing-stage svg:active{cursor:grabbing}.source-highlight{fill:#e4ac3d28;stroke:#db8b12;stroke-width:2;vector-effect:non-scaling-stroke;cursor:pointer}.source-highlight:hover,.source-highlight:focus{fill:#e09d3755;stroke:#0c8773;stroke-width:3;outline:none}.drawing-tools{position:absolute;bottom:8px;right:8px;left:8px;display:flex;gap:5px;justify-content:flex-end;pointer-events:none}.drawing-tools button{pointer-events:auto;font-size:10px;padding:6px 8px;background:#16292eea}.drawing-tools button:disabled{opacity:.45;cursor:default}#drawing-empty{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:30px;color:#4f6267;font-size:12px;pointer-events:none;background:#ecf0ec}#drawing-page-label{font-size:10px;color:#b7c9c5}.drawing-pane p{font-size:10px;color:var(--muted);margin:0;line-height:1.45}.row-item{border:0;background:transparent;text-align:left;padding:0;color:#b7e6d6;font-size:12px}.row-item:hover{background:transparent;text-decoration:underline}.drawing-pane+aside{max-height:none}.source-badge{font-size:11px;color:var(--accent);margin:12px 0}
@media(max-width:1150px){.model-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.drawing-pane+aside{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);max-height:245px}.drawing-pane{height:clamp(400px,54vh,690px)}}
@media(max-width:700px){.model-layout{grid-template-columns:1fr}.drawing-pane{border-left:0;border-top:1px solid var(--line);height:480px}.drawing-pane+aside{grid-column:auto;max-height:330px}.stage{height:360px}.drawing-stage{min-height:290px}.drawing-tools button{font-size:11px}}
/* Accessible split workspace; resizing never rebuilds either viewer. */
.model-layout{grid-template-columns:minmax(0,var(--model-share,50fr)) 12px minmax(0,var(--drawing-share,50fr)) 245px}
.model-layout>.stage,.model-layout>.drawing-pane{height:var(--panel-height,clamp(480px,60vh,800px));min-width:0}
.panel-divider,.panel-height{background:#15272c;touch-action:none;position:relative;cursor:col-resize;outline-offset:-2px}
.panel-divider:after,.panel-height:after{content:'';position:absolute;background:#759b92;border-radius:3px;left:4px;right:4px;top:calc(50% - 24px);height:48px}
.panel-divider:hover,.panel-divider:focus,.panel-height:hover,.panel-height:focus{background:#31534c}
.panel-height{height:16px;cursor:row-resize;border-radius:0 0 7px 7px}
.panel-height:after{width:48px;height:4px;top:6px;left:calc(50% - 24px)}
.panel-fullscreen{pointer-events:auto;font-size:10px;padding:6px 8px;white-space:nowrap}
.stage-top{flex-wrap:wrap;gap:8px}.stage-top #object-count{margin-left:auto}
.drawing-head{flex-wrap:wrap}.drawing-head .overline{margin-right:auto}
.stage:fullscreen,.drawing-pane:fullscreen,.stage.panel-expanded,.drawing-pane.panel-expanded{width:100vw!important;height:100dvh!important;max-height:none!important;border:0;border-radius:0;background-color:#17282d}
.panel-expanded{position:fixed!important;inset:0;z-index:1000}.panel-expanded-open{overflow:hidden}
.drawing-pane:fullscreen .drawing-stage,.drawing-pane.panel-expanded .drawing-stage{min-height:0}
@media(max-width:1150px){.model-layout{grid-template-columns:minmax(0,var(--model-share,50fr)) 12px minmax(0,var(--drawing-share,50fr))}}
@media(max-width:700px){.model-layout{grid-template-columns:minmax(0,1fr)}.panel-divider{display:none}.model-layout>.stage{height:var(--panel-height,360px)}.model-layout>.drawing-pane{height:var(--panel-height,480px)}.panel-height{height:24px}.panel-height:after{top:10px}.stage-top{font-size:9px}}
.model-layout .drawing-stage{min-height:120px}