.dxf-reader{--dr-ink:#202622;--dr-muted:#717772;--dr-line:#e2e6e1;--dr-accent:#c5512c;--dr-bg:#f4f6f2;color:var(--dr-ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff;border:1px solid var(--dr-line);border-radius:14px;overflow:hidden;min-height:690px}.dxf-reader *{box-sizing:border-box}.dxf-reader button,.dxf-reader select,.dxf-reader input{font:inherit}.dxf-reader button,.dxf-reader .dr-file{border:1px solid var(--dr-line);background:white;color:var(--dr-ink);border-radius:7px;padding:8px 12px;cursor:pointer;white-space:nowrap}.dxf-reader button:hover{background:#f2f4ef}.dxf-reader button:focus-visible,.dxf-reader select:focus-visible{outline:3px solid #e6a07e;outline-offset:2px}.dxf-reader button:disabled{opacity:.4;cursor:not-allowed}.dxf-reader .dr-primary{background:var(--dr-ink);color:#fff;border-color:var(--dr-ink)}.dxf-reader .dr-primary:hover{background:#414a42}.dxf-reader .dr-head{display:flex;align-items:center;justify-content:space-between;padding:23px 25px;gap:20px;border-bottom:1px solid var(--dr-line)}.dxf-reader h1{font-size:26px;letter-spacing:-1px;margin:0;line-height:1.1}.dxf-reader .dr-eyebrow{text-transform:uppercase;letter-spacing:2px;color:var(--dr-accent);font-size:10px;font-weight:750;margin-bottom:7px}.dxf-reader .dr-sub{color:var(--dr-muted);font-size:12px;margin-top:5px}.dxf-reader .dr-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.dxf-reader .dr-layout{display:grid;grid-template-columns:230px minmax(280px,1fr) 265px;min-height:600px}.dxf-reader .dr-left,.dxf-reader .dr-right{padding:20px 18px;overflow:auto;max-height:750px}.dxf-reader .dr-left{border-right:1px solid var(--dr-line)}.dxf-reader .dr-right{border-left:1px solid var(--dr-line)}.dxf-reader h2{font-size:11px;letter-spacing:1.2px;text-transform:uppercase;margin:0 0 15px;color:var(--dr-muted)}.dxf-reader .dr-drop{display:block;border:1px dashed #b9c0b6;border-radius:9px;padding:20px 10px;text-align:center;background:#f8faf7;cursor:pointer}.dxf-reader .dr-drop strong{display:block;font-size:13px;margin-bottom:5px}.dxf-reader .dr-drop span{font-size:11px;color:var(--dr-muted)}.dxf-reader .dr-drop.drag{background:#ffefe5;border-color:var(--dr-accent)}.dxf-reader .dr-file-name{font-weight:650;overflow-wrap:anywhere;margin:14px 0 2px}.dxf-reader .dr-divider{height:1px;background:var(--dr-line);margin:20px 0}.dxf-reader .dr-field{display:block;font-size:12px;margin-bottom:12px}.dxf-reader select{display:block;width:100%;padding:8px;margin-top:5px;border:1px solid var(--dr-line);border-radius:6px;background:#fff}.dxf-reader .dr-layer{display:grid;grid-template-columns:1fr 82px;align-items:center;gap:8px;border-bottom:1px solid #f0f2ee;padding:6px 0;font-size:11px}.dxf-reader .dr-layer span{overflow-wrap:anywhere}.dxf-reader .dr-layer select{font-size:11px;padding:4px;margin:0}.dxf-reader .dr-main{display:flex;flex-direction:column;background:var(--dr-bg);min-width:0}.dxf-reader .dr-toolbar{display:flex;gap:8px;align-items:center;justify-content:space-between;padding:12px 15px;border-bottom:1px solid var(--dr-line);background:#fff}.dxf-reader .dr-tabs{display:flex;gap:3px;background:#f1f3ef;border-radius:7px;padding:3px}.dxf-reader .dr-tabs button{border:0;background:transparent;font-size:11px;padding:6px 9px}.dxf-reader .dr-tabs button.active{background:white;box-shadow:0 1px 3px #0001}.dxf-reader .dr-canvas{flex:1;min-height:390px;position:relative;display:flex;overflow:hidden;touch-action:none;background-image:radial-gradient(#cfd5cb 0.7px,transparent 0.7px);background-size:18px 18px}.dxf-reader .dr-pane{position:relative;flex:1;min-width:0}.dxf-reader .dr-pane+.dr-pane{border-left:1px solid #ccd2c9}.dxf-reader .dr-pane>span{position:absolute;top:12px;left:13px;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:#73806e;background:#f4f6f2e8;padding:3px 7px;border-radius:4px;pointer-events:none}.dxf-reader svg{width:100%;height:100%;position:absolute;inset:0;cursor:grab}.dxf-reader svg path{vector-effect:non-scaling-stroke}.dxf-reader svg .dr-contour{stroke:var(--dr-accent);stroke-width:2;fill:#c5512c09;cursor:pointer}.dxf-reader svg .dr-inner{stroke:#348b72;stroke-width:1.8;fill:#348b7211;cursor:pointer}.dxf-reader svg .dr-other{stroke:#939b8e;stroke-width:1.2;fill:none;cursor:pointer}.dxf-reader svg .dr-excluded{stroke:#b5bcb1;stroke-width:1;fill:none;stroke-dasharray:4 3}.dxf-reader svg .dr-pick{stroke:transparent;stroke-width:14;fill:none;cursor:pointer}.dxf-reader .dr-empty{margin:auto;text-align:center;padding:35px;max-width:430px}.dxf-reader .dr-empty-icon{font-size:52px;line-height:1;color:#a9b49e;font-weight:200}.dxf-reader .dr-empty h3{font-size:23px;letter-spacing:-.5px;margin:18px 0 8px}.dxf-reader .dr-empty p{color:var(--dr-muted);font-size:13px}.dxf-reader .dr-status{padding:10px 16px;border-top:1px solid var(--dr-line);font-size:11px;display:flex;justify-content:space-between;gap:10px;color:var(--dr-muted)}.dxf-reader .dr-badge{display:inline-block;padding:4px 8px;border-radius:5px;background:#edf2e8;color:#4a6737;font-size:11px;margin-bottom:13px}.dxf-reader .dr-badge.warn{background:#fff0db;color:#8d5c14}.dxf-reader .dr-metric{font-size:27px;font-weight:550;letter-spacing:-1px;line-height:1.2}.dxf-reader .dr-metric small{font-size:12px;letter-spacing:0;font-weight:400}.dxf-reader .dr-meta{font-size:11px;color:var(--dr-muted);margin:7px 0 17px}.dxf-reader .dr-candidate{display:block;width:100%;text-align:left;margin-bottom:7px;padding:10px!important;white-space:normal!important}.dxf-reader .dr-candidate.active{border-color:var(--dr-accent);background:#fff7f0}.dxf-reader .dr-candidate b{display:block;font-size:12px}.dxf-reader .dr-candidate small{display:block;font-size:10px;color:var(--dr-muted);margin-top:3px}.dxf-reader .dr-inner-row{display:flex;align-items:flex-start;gap:7px;font-size:12px;margin:8px 0}.dxf-reader .dr-inner-row input{accent-color:#348b72}.dxf-reader .dr-warning{font-size:11px;padding:8px 10px;border-left:2px solid #ca9b56;background:#fff9ef;margin:7px 0;overflow-wrap:anywhere}.dxf-reader .dr-check{font-size:12px;display:flex;align-items:flex-start;gap:8px;margin:16px 0}.dxf-reader .dr-check input{accent-color:var(--dr-accent);margin-top:4px}.dxf-reader .dr-export{width:100%;margin-bottom:7px;white-space:normal}.dxf-reader .dr-footnote{font-size:10px;color:var(--dr-muted);margin-top:10px}.dxf-reader .dr-error{padding:14px;background:#fff0ed;color:#9a3828;font-size:13px}.dxf-reader .dr-hidden{display:none!important}.dxf-reader details summary{font-size:12px;cursor:pointer}.dxf-reader details[open] summary{margin-bottom:12px}.dr-modal{position:fixed;inset:0;background:#131a1777;z-index:10000;padding:25px;display:flex;align-items:center;justify-content:center}.dr-modal .dr-modal-inner{width:min(1450px,100%);max-height:95vh;overflow:auto;background:white;border-radius:14px}.dr-modal .dr-close-row{text-align:right;padding:7px 15px}.dr-modal .dr-close-row button{border:0;background:none;font:inherit;cursor:pointer;padding:6px}.dr-standalone{margin:0;padding:25px;background:#e9ede6}.dr-standalone .dxf-reader{max-width:1600px;margin:0 auto}.dr-standalone .dr-layout{min-height:calc(100vh - 155px)}@media(max-width:1050px){.dxf-reader .dr-layout{grid-template-columns:180px minmax(220px,1fr) 220px}.dxf-reader .dr-left,.dxf-reader .dr-right{padding:15px 12px}.dxf-reader .dr-head{padding:20px 16px}.dxf-reader .dr-tabs button{padding:5px}.dr-standalone{padding:10px}}@media(max-width:760px){.dxf-reader .dr-head{align-items:flex-start;flex-direction:column;gap:12px}.dxf-reader .dr-layout{display:flex;flex-direction:column}.dxf-reader .dr-left,.dxf-reader .dr-right{max-height:none;border:0}.dxf-reader .dr-left .dr-divider,.dxf-reader .dr-left details{display:none}.dxf-reader .dr-left{display:grid;grid-template-columns:1fr 1fr;gap:10px}.dxf-reader .dr-left h2{display:none}.dxf-reader .dr-drop{padding:10px}.dxf-reader .dr-file-name{margin:0}.dxf-reader .dr-field{margin:0}.dxf-reader .dr-canvas{height:400px;flex:auto;min-height:300px}.dr-modal{padding:6px}.dr-standalone{padding:0}.dxf-reader{border-radius:0}.dxf-reader .dr-toolbar{padding:10px}.dxf-reader .dr-right{display:block}.dxf-reader .dr-metric{font-size:24px}}

/* Scale evidence, distinct from drawing unit and plot annotation. */
.dxf-reader .dr-scale-info{padding:11px;background:#edf2e8;border:1px solid #dce5d4;border-radius:7px;font-size:11px;margin-bottom:15px;overflow-wrap:anywhere}.dxf-reader .dr-scale-info strong,.dxf-reader .dr-scale-info span,.dxf-reader .dr-scale-info b{display:block;margin-bottom:4px}.dxf-reader .dr-scale-info strong{font-size:12px}.dxf-reader .dr-scale-info details{margin-top:8px}.dxf-reader .dr-scale-info details div{border-top:1px solid #dce5d4;padding:5px 0}.dxf-reader .dr-scale-info summary{font-size:11px}.dxf-reader .dr-manual-scale input{display:block;width:100%;padding:8px;margin-top:5px;border:1px solid var(--dr-line);border-radius:6px;background:#fff}@media(max-width:760px){.dxf-reader .dr-scale-info{grid-column:1/-1}.dxf-reader .dr-left .dr-scale-info details{display:block}}

/* Independent display of exterior, edge recesses and internal machining. */
.dxf-reader .dr-feature-toolbar{display:flex;align-items:center;gap:5px;flex-wrap:wrap;padding:8px 12px;border-bottom:1px solid var(--dr-line);background:#fff}.dxf-reader .dr-feature-toolbar>span{font-size:11px;color:var(--dr-muted);margin-right:4px}.dxf-reader .dr-feature-toolbar button{padding:5px 8px;font-size:11px}.dxf-reader .dr-feature-toolbar button.active{background:#e9f0f5;border-color:#8ca9bd;color:#225b7f}.dxf-reader svg .dr-contour{stroke:#33779c;fill:none;stroke-width:2}.dxf-reader svg .dr-notch{stroke:#ce562e;fill:none;stroke-width:2.5;cursor:pointer}.dxf-reader svg .dr-notch-mouth{stroke:#ce562e;fill:none;stroke-width:1;stroke-dasharray:3 3;opacity:.55}.dxf-reader .dr-feature-list{border-top:1px solid var(--dr-line);margin-top:18px;padding-top:15px}.dxf-reader .dr-feature-list h2{margin-top:16px;line-height:1.6}.dxf-reader .dr-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:4px}.dxf-reader .dr-edge-dot{background:#ce562e}.dxf-reader .dr-inner-dot{background:#348b72}.dxf-reader .dr-feature{display:block;width:100%;padding:8px 10px;text-align:left;white-space:normal;border-left:3px solid #ce562e;margin-bottom:6px}.dxf-reader .dr-feature b,.dxf-reader .dr-feature small,.dxf-reader .dr-feature span{display:block}.dxf-reader .dr-feature b{font-size:11px}.dxf-reader .dr-feature small{font-size:10px;color:var(--dr-muted)}.dxf-reader .dr-feature span{font-size:10px;color:#33779c;margin-top:3px}.dxf-reader .dr-inner-feature{border-left-color:#348b72}.dxf-reader .dr-inner-row input{margin-top:12px}.dxf-reader .dr-pane-outer>span{color:#225b7f}.dxf-reader .dr-pane-cutouts>span{color:#a84a2b}.dxf-reader .dr-pane-empty{position:absolute;top:42px;left:12px;right:12px;font-size:11px;color:var(--dr-muted);text-align:center}.dxf-reader .dr-feature-list .dr-sub{font-size:10px}