:root{--bg:#f4f4f1;--panel:#fff;--panel-2:#f7f7f5;--line:#dcdcd6;--text:#1f1f1c;--muted:#6b6b64;--accent:#2f6fd6;--accent-soft:#e3ecfb;--danger:#d2302a;--x:#d2302a;--y:#2e9a3c;--z:#2c5fd6;color:var(--text);font-family:Segoe UI,system-ui,-apple-system,Roboto,sans-serif;font-size:13px}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;margin:0;overflow:hidden}#app{grid-template-rows:auto minmax(0,1fr) auto;grid-template-columns:minmax(0,1fr);height:100%;display:grid}#toolbar{background:var(--panel);border-bottom:1px solid var(--line)}.tb-row{scrollbar-width:thin;align-items:center;gap:6px;padding:5px 8px;display:flex;overflow-x:auto}.tb-sub{background:var(--panel-2);border-top:1px solid var(--line);min-height:42px;padding:3px 8px}.tb-sub .tb-group{border-left:none;align-items:center;gap:2px}.tb-sub-name{color:var(--muted);white-space:nowrap;padding:0 10px 0 2px;font-weight:600}.tb-secs{gap:3px}.tb-sec{white-space:nowrap;height:32px;font:inherit;border:1px solid var(--line);color:var(--text);cursor:pointer;background:#fff;border-radius:7px;flex:none;padding:0 10px}.tb-sec:hover{border-color:var(--accent)}.tb-sec.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.brand{letter-spacing:.02em;color:var(--accent);white-space:nowrap;padding:0 10px 0 4px;font-weight:700}.tb-group{border-left:1px solid var(--line);gap:1px;padding:0 4px;display:flex}.tb-btn{width:32px;height:32px;color:var(--text);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:7px;flex:none;place-items:center;display:grid}.tb-btn:hover:not(:disabled){background:var(--panel-2);border-color:var(--line)}.tb-btn.active{background:var(--accent-soft);color:var(--accent);border-color:#b9cdf3}.tb-btn:disabled{opacity:.3;cursor:default}#workspace{grid-template-columns:minmax(0,1fr) 260px;min-height:0;display:grid;position:relative}#viewport{min-width:0;min-height:0;position:relative;overflow:hidden}#viewport 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var(--c);color:var(--c);background:#fffffff0;border-radius:4px;padding:2px 7px;font-size:12px;display:none;position:absolute;box-shadow:0 1px 3px #0000001f}.labels{position:absolute;inset:0}.mlabel{white-space:nowrap;border:1px solid var(--line);font-variant-numeric:tabular-nums;background:#ffffffe6;border-radius:3px;padding:1px 6px;font-size:12px;position:absolute;top:0;left:0}.mlabel.dim-live{color:#1b4fa8;border-color:#9bb8ea;font-weight:600}.select-box{border:1px solid var(--accent);background:#2f6fd614;display:none;position:absolute}.select-box.crossing{border-style:dashed;border-color:var(--y);background:#2e9a3c14}#props{background:var(--panel);border-left:1px solid var(--line);padding:10px 12px;overflow-y:auto}#props h3{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:12px 0 8px;font-size:12px}#props h3:first-child{margin-top:2px}#props .note{color:var(--muted);margin:0 0 10px;line-height:1.4}.field{grid-template-columns:1fr 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var(--line);width:130px;height:26px;font:inherit;font-variant-numeric:tabular-nums;text-align:right;border-radius:5px;padding:0 7px}#vcb-input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}#vcb.error #vcb-input{border-color:var(--danger);background:#fdecea}@media (width<=760px){#workspace{grid-template-rows:minmax(0,1fr) auto;grid-template-columns:minmax(0,1fr)}#overlay{height:100%;inset:0 0 auto}#props{border-left:none;border-top:1px solid var(--line);max-height:34vh}.tb-btn{width:40px;height:40px}.tb-sec{height:40px}#status-hint{display:none}#vcb{margin-left:auto}}.mlabel.dim{color:#33332e;background:#ffffffd9;border-color:#0000;padding:0 4px}.mlabel.dim-sel{background:var(--accent-soft);color:var(--accent)}.mlabel.dim-in{color:#1b4fa8;background:#216edc14;border-color:#9bb8ea}#viewport.cursor-hand canvas{cursor:pointer}.cat-grid{grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:6px;margin-bottom:8px;display:grid}.cat-tile{border:1px solid var(--line);background:var(--panel-2);min-height:108px;color:var(--text);cursor:pointer;font:inherit;border-radius:6px;flex-direction:column;align-items:center;gap:3px;padding:6px 3px;display:flex}.cat-tile:hover{border-color:#b9cdf3}.cat-tile.active{border-color:var(--accent);background:var(--accent-soft)}.cat-tile span{text-align:center;font-size:11px;line-height:1.2}.cat-tile small{color:var(--muted);font-size:10px}.cat-tile .sk,.sk-big .sk{--sk-fill:#fbf8f2;color:#5c5446}.cat-tile .sk{max-width:64px;max-height:64px}.sk-big{justify-content:center;margin:4px 0 10px;display:flex}button.wide{border:1px solid var(--line);background:var(--panel-2);width:100%;height:30px;font:inherit;color:var(--text);cursor:pointer;border-radius:6px;margin:4px 0 8px}button.wide:hover{border-color:var(--accent)}.zones{flex-direction:column;gap:6px;display:flex}.zone{border:1px solid var(--line);background:var(--panel-2);border-radius:6px;padding:6px}.zone .field{grid-template-columns:1fr 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#333;padding:2px 6px}.dbody .stamp div:nth-child(2n){border-right:none}.dbody .views{grid-template-columns:1fr 1.25fr;gap:6mm;display:grid}.dbody figure{border:1px solid #d5dae2;border-radius:4px;margin:0;padding:4px}.dbody figcaption{color:#667085;margin-bottom:2px;font-size:11px}.dbody svg text{font-family:Segoe UI,Arial,sans-serif}.dbody table{border-collapse:collapse;width:100%;font-size:10.5px}.dbody th,.dbody td{text-align:left;border:1px solid #9aa3af;padding:2px 5px}.dbody th{background:#f1f3f6}.dbody td.r{text-align:right}.dbody .grid3{grid-template-columns:repeat(3,1fr);gap:4mm;display:grid}.dbody .pd,.dbody .step{break-inside:avoid;border:1px solid #d5dae2;border-radius:4px;padding:3mm}.dbody .pd h4,.dbody .step h4{margin:0 0 2px;font-size:12px}.dbody .pd .m,.dbody .step .f{color:#667085;font-size:10.5px}.dbody .pd svg,.dbody .step svg{max-width:100%;height:auto}@media print{@page{size:A4 landscape;margin:0}.drawings{background:#fff;position:static}.drawings .rhead{display:none}.dbody{padding:0;overflow:visible}.dbody .page{box-shadow:none;page-break-after:always;width:297mm;height:210mm;margin:0;overflow:hidden}}.gkl-map{margin:4px 0 8px}.gkl-map b{color:var(--muted);margin-bottom:2px;font-size:11px;display:block}.col-item.gkl-open{grid-template-columns:1fr 60px 60px 26px}table.rt tr.info td{background:#f3f6fb}table.rt tr.warn td{color:#9a4b00;background:#fdf1e6}.col-item.elk-stop{grid-template-columns:1fr 96px 26px;align-items:center}.elk-panel .railbox{padding:4px 0;overflow-x:auto}.elk-panel svg.din text.mid{text-anchor:middle;fill:#333;font:600 11px system-ui}.elk-panel svg.din text.mr{text-anchor:middle;fill:#333;font:11px system-ui}.elk-panel svg.din g.mod{cursor:pointer}.elk-panel .madd{gap:6px;margin:6px 0 10px;display:flex}.elk-panel .medit{background:#f3f6fb;border-radius:6px;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-bottom:10px;padding:8px 10px;display:flex}.elk-panel .medit b{width:100%}.elk-panel .warnp{color:#9a4b00;background:#fdf1e6;border-radius:6px;padding:6px 10px}.elk-panel svg.scheme{background:#fff;border:1px solid #e3e3e3;border-radius:6px}.obl-kinds{flex-wrap:wrap;gap:4px;margin-bottom:8px;display:flex}.obl-kinds button{flex:45%}.edge-row{flex-wrap:wrap;gap:2px 10px;font-size:12px;display:flex}i.sw{vertical-align:-1px;border:1px solid #0003;border-radius:50%;width:10px;height:10px;margin-right:5px;display:inline-block}.elk-lines{margin-bottom:8px}.tb-sub-name.tb-part{border-left:1px solid var(--line);margin-left:10px;padding-left:12px}