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;--lightningcss-dark:initial;color-scheme:dark;--page:#0d0d0d;--surface:#1a1a19;--surface-raised:#232322;--bar-track:#2c2c2a;--input-bg:#121211;--border:#ffffff1a;--border-strong:#ffffff38;--text:#fff;--text-secondary:#c3c2b7;--muted:#898781;--gridline:#2c2c2a;--axis:#383835;--shadow:0 8px 30px #00000080;--accent:#4ea62c;--accent-ink:#06230b;--accent-dim:#4ea62c29;--series-grid:#3987e5;--series-ev:#d95926;--series-bess:#199e70;--series-building:#c98500;--series-pv:#d55181}.paper{--lightningcss-light:initial;--lightningcss-dark: 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.node.movable{cursor:move}.plan-tools{flex-wrap:wrap;align-content:flex-start;align-items:flex-end;gap:8px 14px;min-height:98px;padding:4px 14px 10px;display:flex}.plan-tools .range{align-self:flex-end;margin-bottom:1px}.tool-choice{color:var(--text-secondary);flex-direction:column;gap:2px;font-size:11px;font-weight:650;display:flex}.tool-choice select,.tool-choice input{max-width:250px;padding:5px 8px;font-size:12px;font-weight:400}.tool-hint{color:var(--text-secondary);flex:100%;min-height:1.45em;margin:0;font-size:12px}.sheet-bar{flex-wrap:wrap;align-items:flex-end;gap:8px 12px;padding:4px 14px 8px;display:flex}.sheet-bar .pill{align-self:flex-end;margin-bottom:4px}.sheet-bar .btn-row{align-self:flex-end}.sheet-bar .spacer{flex:auto}.btn[aria-pressed=true]{background:var(--accent-dim);border-color:color-mix(in srgb, var(--accent) 50%, transparent);color:var(--accent)}.drawing .underlay{opacity:1}.drawing .underlay.dimmed{opacity:.45}:root[data-theme=dark] .drawing .underlay.paper{filter:invert()hue-rotate(180deg)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .drawing .underlay.paper{filter:invert()hue-rotate(180deg)}}.dialog-step{margin:16px 0 4px;font-size:13px;font-weight:650}dialog .dialog-step:first-of-type{margin-top:0}dialog .fine{margin:0 0 10px}.drawing .preview path{fill:none;stroke:var(--accent);stroke-width:2px;stroke-dasharray:5 4}.drawing .preview circle{fill:none;stroke:var(--accent);stroke-width:2px}.drawing .preview text{fill:var(--accent);font-size:12px;font-weight:650}.drawing text{font-family:var(--font);fill:var(--text-secondary);pointer-events:none;paint-order:stroke fill;stroke:var(--surface);stroke-width:3.5px;stroke-linejoin:round;font-size:11px}.drawing .grid-line{stroke:var(--gridline);stroke-width:1px}.drawing .object{cursor:pointer}.drawing .corridor{fill:none;stroke-linecap:round;stroke-linejoin:round}.drawing .corridor.trench{stroke:var(--object-trench);stroke-width:9px;opacity:.55}.drawing .corridor.culvert{stroke:var(--object-trench);stroke-width:9px;opacity:.55;stroke-dasharray:2 5;stroke-linecap:butt}.drawing .corridor.bore{stroke:var(--object-trench);stroke-width:5px;stroke-dasharray:12 7}.drawing .corridor.tray,.drawing .corridor.ladder{stroke:var(--object-tray);stroke-width:9px}.drawing .corridor-core{fill:none;stroke:var(--surface);stroke-width:5px;stroke-linecap:butt}.drawing .corridor-rungs{fill:none;stroke:var(--object-tray);stroke-width:5px;stroke-dasharray:1.5 7;stroke-linecap:butt}.drawing .corridor.conduit{stroke:var(--object-conduit);stroke-width:6px}.drawing .corridor-core.conduit{stroke-width:2.5px}.drawing .corridor.riser{stroke:var(--object-conduit);stroke-width:6px}.drawing .cable{fill:none;stroke:var(--object-cable);stroke-width:1.4px;stroke-dasharray:6 4;opacity:.8}.drawing .cable.comms{stroke:var(--object-comms);stroke-dasharray:1.5 4;stroke-width:2.2px;stroke-linecap:round;opacity:1}.drawing .node .mark{fill:var(--surface);stroke:var(--text-secondary);stroke-width:1.5px}.drawing .riser-mark circle{fill:var(--surface);stroke:var(--object-conduit);stroke-width:2px}.drawing .riser-mark path{fill:none;stroke:var(--object-conduit);stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round}.drawing .equipment rect{fill:var(--object-equipment);stroke:var(--surface);stroke-width:1.5px}.drawing .equipment text{fill:var(--text);stroke-width:6px;font-size:12px;font-weight:650}.drawing .device circle{fill:var(--object-device);stroke:var(--surface);stroke-width:1.5px}.drawing .device path{fill:none;stroke:var(--surface);stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round}.drawing .device text,.drawing .corridor-label{fill:var(--text);font-weight:600}.drawing .scale text{fill:var(--text-secondary);font-variant-numeric:tabular-nums}.drawing .scale path{stroke:var(--text-secondary);stroke-width:1.5px;fill:none}.drawing .hit,.drawing .node .hit{stroke:#0000;fill:#0000;cursor:pointer}.drawing path.hit{fill:none}.drawing .halo,.drawing .equipment .halo,.drawing .device .halo,.drawing .riser-mark .halo{fill:none;stroke:var(--accent);stroke-linecap:round;stroke-linejoin:round;opacity:.9}.drawing .halo.soft{opacity:.45}.legend{border-top:1px solid var(--border);flex-wrap:wrap;gap:6px 16px;margin:0;padding:10px 14px 12px;list-style:none;display:flex}.legend li{color:var(--text-secondary);white-space:nowrap;align-items:center;gap:7px;font-size:12px;display:flex}.legend svg{flex:none;width:30px;height:12px}.kv-list{color:var(--text-secondary);margin:0;padding:0;font-size:12px;list-style:none}.kv-list li{padding:1px 0}code,.mono{font-family:ui-monospace,SF Mono,Cascadia Mono,Menlo,monospace;font-size:12px}h3.section{margin:18px 0 8px;font-size:13px;font-weight:650}.workbook-changes{gap:10px;margin:0;padding:0;list-style:none;display:grid}.workbook-changes>li{border-left:2px solid var(--border-strong);padding:2px 0 2px 12px}.workbook-changes ul{gap:2px;margin:4px 0 0;padding:0;font-size:13px;list-style:none;display:grid}.workbook-changes .what{color:var(--text-secondary)}.workbook-changes .was{color:var(--muted);text-decoration:line-through}.workbook-problems td:nth-child(2),.workbook-problems th:nth-child(2){width:64px}.workbook-counts{max-width:560px}.file-choice{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.file-choice label.btn{cursor:pointer;position:relative}.file-choice label.btn:focus-within{outline:2px solid var(--accent);outline-offset:2px}.file-choice .chosen{overflow-wrap:anywhere}.match-cell{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.match-cell .btn{white-space:normal;text-align:left}table.parts td{vertical-align:middle}table.parts .tick{width:28px;padding-right:0}table.parts .tick input{width:auto;margin:0}select.item-list{width:100%;padding:4px}select.item-list option{border-radius:4px;padding:4px 6px}input[type=file]{max-width:100%;padding:6px 8px}table.sheet-top{margin-top:6px;font-size:12px}table.sheet-top th{text-transform:none;letter-spacing:0;color:var(--text);vertical-align:bottom;padding-top:6px;font-size:12px}table.sheet-top th .was{color:var(--muted);font-weight:400}table.sheet-top th.read{box-shadow:inset 0 3px 0 var(--accent)}table.sheet-top td{white-space:nowrap;text-overflow:ellipsis;max-width:280px;padding-right:14px;overflow:hidden}table.sheet-top td.read{color:var(--text)}dialog.wide{width:min(1120px,100vw - 32px);max-width:none}.field-grid.two{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}table.lines{margin:0 0 10px}table.lines th{padding-bottom:4px}table.lines td{vertical-align:middle;border-top:0;padding:4px 8px 4px 0}table.lines select{max-width:240px;padding:6px 8px}table.lines.ways select{max-width:176px}table.lines .cell-input{width:84px}table.lines .cell-input.narrow{width:56px}table.lines .cell-input.text{text-align:left;width:104px}table.lines .cell-input.wide{text-align:left;width:100%;min-width:150px}table.lines input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent)}.chips{flex-wrap:wrap;align-items:center;gap:6px;margin:0;padding:0;list-style:none;display:flex}.chips .chip button{color:var(--muted);cursor:pointer;font:inherit;background:0 0;border:0;padding:0 0 0 4px}.chips .chip button:hover{color:var(--text)}.chips select{max-width:220px;padding:4px 8px;font-size:12px}.check-field{cursor:pointer;align-items:flex-start;gap:9px;margin-bottom:12px;font-size:13px;font-weight:600;display:flex}.check-field input{width:16px;height:16px;accent-color:var(--accent);flex:none;margin-top:2px}.check-field .hint{color:var(--muted);margin-top:2px;font-size:12px;font-weight:400;display:block}form.add-row{gap:8px;margin-top:4px;display:flex}form.add-row input{flex:auto}.row-button.mono{font-family:ui-monospace,SF Mono,Cascadia Mono,Menlo,monospace;font-size:12px}.sheet-holder{justify-content:center;display:flex;overflow:hidden}.sheet{background:var(--surface);color:var(--text);transform-origin:0 0;box-shadow:var(--shadow);font-size:12px;position:relative}.sheet-frame{border:.35mm solid var(--text);position:absolute;overflow:hidden}.sheet-frame .plan-sheet{display:block}.sheet-frame .underlay.dimmed{opacity:.5}.sheet-frame .underlay[data-sharp=coming]{opacity:0}.sheet-notes{max-width:60%;position:absolute;top:3mm;left:4mm}.sheet-notes .flag{border:.3mm solid var(--status-critical);color:var(--text);background:var(--surface);margin:0 0 1.5mm;padding:1mm 2.5mm;font-weight:650;display:inline-block}.sheet-scale{background:var(--surface);position:absolute;bottom:2mm;left:3mm}.plan-sheet text,.sheet-scale text{stroke:none}.sheet .plan-sheet rect.label-patch{fill:var(--surface);stroke:none;opacity:.85}.title-block{border:.35mm solid var(--text);border-top:0;display:flex;position:absolute}.title-block .cell{border-left:.2mm solid var(--text);min-width:0;padding:2.5mm 3.5mm;overflow:hidden}.title-block .cell:first-child{border-left:0}.title-block .grow{flex:1 1 0}.title-block .brand-cell{flex-direction:column;justify-content:center;gap:1.5mm;display:flex}.title-block .brand-cell .brand .logo{height:9mm}.title-block .brand-cell .brand .logo-dark{display:none!important}.title-block .brand-cell .brand .logo-light{display:block!important}.title-block .product{border:0;margin:0;padding:0;font-size:10px}.title-block .kicker{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:9px;font-weight:650}.title-block .big{letter-spacing:-.01em;white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:680;overflow:hidden}.title-block .fine{color:var(--text-secondary);font-size:10px}.title-block .legend{border-top:0;gap:2px 12px;padding:1.5mm 0 0}.title-block .legend li{font-size:10px}.title-block .legend svg{width:26px;height:11px}.title-block .facts-cell{flex:none;width:62mm}.title-block dl{grid-template-columns:auto 1fr;gap:.4mm 3mm;margin:0 0 1.2mm;font-size:11px;display:grid}.title-block dt{color:var(--muted)}.title-block dd{margin:0;font-weight:600}.sheet-room{flex:none}@page plan-a4{size:A4 landscape;margin:0}@page plan-a3{size:A3 landscape;margin:0}@page plan-a1{size:A1 landscape;margin:0}.sheet.a4{page:plan-a4}.sheet.a3{page:plan-a3}.sheet.a1{page:plan-a1}@media print{html,body{background:#fff;height:auto}.topbar,.toasts,.print-controls{display:none!important}main{max-width:none;margin:0;padding:0}.sheet-holder{display:block;overflow:visible;height:auto!important}.sheet-room{width:auto!important;height:auto!important}.sheet{box-shadow:none;break-inside:avoid;transform:none!important}}