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.react-flow__edge-path{stroke:var(--volt-ehv)}.react-flow__edge.sld-hv .react-flow__edge-path{stroke:var(--volt-hv)}.react-flow__edge.sld-lv .react-flow__edge-path{stroke:var(--volt-lv)}.react-flow__edge.sld-bus-link .react-flow__edge-path{stroke-width:4}.sld-busbar.band-ehv{color:var(--volt-ehv)}.sld-busbar.band-hv{color:var(--volt-hv)}.sld-busbar.band-lv{color:var(--volt-lv)}.react-flow__node.is-locked{outline:1px dashed var(--accent);outline-offset:3px;border-radius:4px}.sld-substation{width:100%;height:100%;border:1px solid var(--line);border-radius:10px;background:#ffffff04;pointer-events:none}.sld-substation-name{position:absolute;top:6px;left:12px;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);pointer-events:auto;cursor:pointer;padding:2px 5px;margin:-2px -5px;border-radius:4px}.sld-substation-name:hover{color:var(--text);background:var(--panel-2)}.sld-substation-name.is-above{top:-19px;left:2px}.sld-substation-name.is-below{top:calc(100% + 5px);left:2px}.sld-substation-name.is-left{top:0;left:-6px;transform:translate(-100%);writing-mode:vertical-rl;text-orientation:mixed;white-space:nowrap}.react-flow__node.selected .sld-substation{border-color:var(--accent)}.react-flow__node.selected .sld-substation-name{color:var(--accent)}@keyframes sld-select-pulse{0%,to{filter:drop-shadow(0 0 2px var(--accent))}50%{filter:drop-shadow(0 0 5px var(--accent)) drop-shadow(0 0 9px var(--accent))}}.diagram-mode .react-flow__node.selected .sld-node,.diagram-mode .react-flow__node.selected .sld-busbar,.diagram-mode .react-flow__node.selected .sld-composite{animation:sld-select-pulse 1.4s ease-in-out infinite}.diagram-mode .react-flow__node.selected .sld-node,.diagram-mode .react-flow__node.selected .sld-busbar{outline:1.5px solid color-mix(in srgb,var(--accent) 70%,transparent);outline-offset:4px;border-radius:5px}.diagram-mode .react-flow__node.selected{z-index:50!important}.sld-busbar{position:relative;color:var(--text)}.sld-busbar-tag{position:absolute;left:calc(100% + 8px);top:15px;transform:translateY(-50%);font-size:9px;font-weight:600;color:var(--text-muted);white-space:nowrap;cursor:pointer}.sld-busbar-tag:hover{color:var(--text)}.sld-busbar-tag.on-left{left:auto;right:calc(100% + 8px)}.sld-inspector{display:flex;flex-direction:column;gap:12px;padding:12px;box-sizing:border-box;width:100%}.insp-head{display:flex;align-items:center;gap:8px;margin:-12px -12px 0;padding:11px 12px;background:var(--panel-2);border-bottom:1px solid var(--line)}.insp-kind{flex:1;min-width:0;font-size:.92rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sld-inspector-title{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted)}.insp-field{display:flex;flex-direction:column;gap:4px}.insp-field>span{font-size:.74rem;color:var(--text-muted)}.insp-field input:not([type=checkbox]),.insp-field select{width:100%;min-width:0;box-sizing:border-box;background:var(--bg);border:1px solid var(--line);border-radius:6px;color:var(--text);font:inherit;font-size:.84rem;padding:6px 8px}.insp-field input:focus,.insp-field select:focus{outline:none;border-color:var(--accent)}.insp-field.insp-row{flex-direction:row;align-items:center;justify-content:space-between}.insp-row input[type=checkbox]{width:16px;height:16px;margin:0;accent-color:var(--accent)}.insp-subaction{display:flex;align-items:center;gap:6px;margin-top:-4px}.insp-subaction input{flex:1 1 auto;min-width:0;background:var(--bg);border:1px solid var(--line);border-radius:6px;color:var(--text);font:inherit;font-size:.8rem;padding:6px 8px}.insp-subaction input:focus{outline:none;border-color:var(--accent)}.insp-subaction button{flex:0 0 auto;background:var(--bg);border:1px solid var(--line);border-radius:6px;color:var(--text);cursor:pointer;font:inherit;font-size:.78rem;padding:6px 10px}.insp-subaction button:hover{border-color:var(--accent)}.state-seg{display:inline-flex;align-self:flex-start}.state-seg button{background:var(--bg);border:1px solid var(--line);color:var(--text-muted);padding:5px 12px;cursor:pointer;font:inherit;font-size:.78rem;border-radius:0}.state-seg button+button{margin-left:-1px}.state-seg button:first-child{border-radius:6px 0 0 6px}.state-seg button:last-child{border-radius:0 6px 6px 0}.state-seg button.on{font-weight:600;position:relative;z-index:1}.state-seg button.on.is-closed{background:#d6584a;border-color:#d6584a;color:#fff}.state-seg button.on.is-open{background:#5cb85c;border-color:#5cb85c;color:#14151a}.state-seg button.on.is-earthed{background:#d6a14a;border-color:#d6a14a;color:#14151a}.seg-accent button.on{background:var(--accent);border-color:var(--accent);color:#14151a}.insp-card{border:1px solid var(--line);border-radius:8px;background:var(--bg);padding:8px;display:flex;flex-direction:column;gap:6px;margin-top:-6px}.sld-link{background:none;border:none;padding:0;color:var(--text-muted);font:inherit;font-size:.72rem;cursor:pointer;text-align:left}.sld-link:hover{color:var(--accent);text-decoration:underline}.sld-inspector-rows{display:flex;flex-direction:column;gap:3px;max-height:180px;overflow-y:auto}.sld-bay-help{margin:-4px 0 8px;font-size:.72rem;line-height:1.4;color:var(--text-muted)}.sld-bay-row{display:flex;align-items:center;gap:4px}.sld-bay-row button.sld-bay-role{flex:0 0 auto;min-width:64px;font-weight:600;font-size:.72rem;text-align:center}.sld-bay-row button.sld-bay-role.is-in{color:#d6584a;border-color:#d6584a80;background:#d6584a1f}.sld-bay-row button.sld-bay-role.is-out{color:var(--text-muted)}.sld-bay-move{display:inline-flex;flex:0 0 auto}.sld-bay-row .sld-bay-move button{border-radius:0;padding:2px 5px}.sld-bay-row .sld-bay-move button:first-child{border-top-left-radius:5px;border-bottom-left-radius:5px}.sld-bay-row .sld-bay-move button:last-child{border-top-right-radius:5px;border-bottom-right-radius:5px;border-left:none}.sld-bay-row button.sld-bay-remove{flex:0 0 auto;color:var(--text-muted)}.sld-bay-row button.sld-bay-remove:hover:not(:disabled){color:#d6584a;border-color:#d6584a}.sld-bay-num{flex:0 0 auto;font-size:.78rem;color:var(--text-muted)}.sld-bay-name{flex:1 1 auto;min-width:0;font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sld-bay-name.is-empty{color:var(--text-muted);font-style:italic}.sld-bay-empty{font-size:.78rem;color:var(--text-muted)}.sld-bay-row button,.sld-inspector-add button{background:var(--panel-2);border:1px solid var(--line);border-radius:5px;color:var(--text);cursor:pointer;font:inherit;font-size:.75rem;padding:2px 7px;line-height:1.2}.sld-bay-row button:hover:not(:disabled),.sld-inspector-add button:hover{border-color:var(--accent)}.sld-bay-row button:disabled{opacity:.35;cursor:default}.sld-inspector-add{display:flex;flex-wrap:wrap;align-items:center;gap:6px;border-top:1px solid var(--line);padding-top:6px}.sld-add-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.sld-add-label:after{content:":"}.palette-panel{margin:10px 0}.palette-panel .sld-palette{border-left:none;border-top-left-radius:0;border-bottom-left-radius:0}.sld-palette{width:150px;max-height:calc(100vh - 120px);display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}.sld-palette-title{padding:.4rem .6rem;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--line)}.sld-palette-list{flex:1 1 auto;min-height:0;overflow-y:auto;padding:4px;display:flex;flex-direction:column;gap:2px}.sld-palette-item{display:flex;align-items:center;gap:8px;padding:4px 6px;background:transparent;border:1px solid transparent;border-radius:6px;color:var(--text);cursor:pointer;font:inherit;text-align:left}.sld-palette-item:hover{background:var(--panel-2);border-color:var(--line)}.sld-palette-art{flex:0 0 34px;height:34px;display:flex;align-items:center;justify-content:center;color:var(--text)}.sld-palette-label{font-size:.75rem;line-height:1.1}.sld-toolbar{display:flex;align-items:center;gap:4px;padding:4px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.sld-toolbar button{padding:.3rem .7rem;background:var(--panel-2);border:1px solid var(--line);border-radius:6px;color:var(--text);cursor:pointer;font:inherit;font-size:.8rem}.sld-toolbar button:hover:not(:disabled){border-color:var(--accent)}.sld-toolbar button:disabled{opacity:.4;cursor:default}.sld-toolbar button.is-on{border-color:var(--accent);color:var(--accent);background:var(--bg)}.sld-toolbar-sep{width:1px;align-self:stretch;background:var(--line);margin:2px}.canvas-host .react-flow__controls{box-shadow:0 2px 10px #00000080;border:1px solid var(--line);border-radius:7px;overflow:hidden}.canvas-host .react-flow__controls-button{width:26px;height:26px;background:var(--panel-2);border-bottom:1px solid var(--line)}.canvas-host .react-flow__controls-button:hover{background:var(--line)}.canvas-host .react-flow__controls-button svg{width:13px;height:13px;max-width:13px;max-height:13px;fill:var(--text)}.react-flow__minimap.sld-minimap{box-shadow:0 2px 10px #00000080;border:1px solid var(--line);border-radius:7px;overflow:hidden}.sld-edge-grab{fill:none;stroke:transparent;stroke-width:12;pointer-events:stroke}.sld-edge-grab.grab-v{cursor:ew-resize}.sld-edge-grab.grab-h{cursor:ns-resize}.sld-edge-grab:hover{stroke:var(--text);stroke-opacity:.22}.sld-edge-grab.is-pinned{stroke:var(--text);stroke-opacity:.08}.sld-edge-grab.is-pinned:hover{stroke-opacity:.22}.sld-legend{display:flex;gap:14px;align-items:center;padding:5px 11px;background:var(--panel);border:1px solid var(--line);border-radius:8px;font-size:.72rem;color:var(--text-muted)}.sld-legend-item{display:flex;align-items:center;gap:6px;white-space:nowrap}.sld-legend-swatch{width:16px;height:4px;border-radius:2px}.sld-menu{position:relative}.sld-menu-trigger{padding:.3rem .7rem;background:var(--panel-2);border:1px solid var(--line);border-radius:6px;color:var(--text);cursor:pointer;font:inherit;font-size:.8rem}.sld-menu-trigger:hover{border-color:var(--accent)}.sld-menu-backdrop{position:fixed;inset:0;z-index:10}.sld-menu-pop{position:absolute;top:calc(100% + 4px);right:0;z-index:11;min-width:172px;display:flex;flex-direction:column;padding:4px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 6px 20px #00000080}.sld-menu-pop button{text-align:left;padding:6px 8px;background:transparent;border:none;border-radius:5px;color:var(--text);cursor:pointer;font:inherit;font-size:.8rem}.sld-menu-pop button:hover{background:var(--panel-2)}.sld-menu-sep{height:1px;background:var(--line);margin:4px 2px}.sld-menu-file{padding:4px 10px 6px;margin-bottom:2px;border-bottom:1px solid var(--line);font-size:.74rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}.sld-menu-pop .sld-menu-danger{color:#e2796b}.sld-menu-confirm{padding:6px 8px;font-size:.76rem;color:var(--text-muted)}.sld-menu-confirm-row{display:flex;gap:6px;margin-top:6px}.sld-menu-confirm-row button{flex:1 1 auto;text-align:center;border:1px solid var(--line);border-radius:5px;background:var(--panel-2)}.sld-menu-input{width:100%;margin-top:6px;padding:5px 7px;background:var(--panel-2);border:1px solid var(--line);border-radius:5px;color:var(--text);font-size:.8rem}.sld-menu-hint{display:block;margin-top:4px;font-size:.68rem;color:var(--text-muted)}.sld-inspector-note{margin:4px 0 0;font-size:.72rem;line-height:1.45;color:var(--text-muted)}.sld-palette-config{flex:0 0 auto;display:flex;flex-direction:column;gap:4px;padding:6px;border-top:1px solid var(--line)}.sld-ways{display:flex;align-items:center;justify-content:space-between;gap:6px;font-size:.72rem;color:var(--text-muted);padding:0 2px 2px}.sld-ways input{width:48px;background:var(--panel-2);border:1px solid var(--line);border-radius:5px;color:var(--text);font:inherit;font-size:.78rem;padding:2px 6px}.sld-config-item{display:flex;flex-direction:column;align-items:flex-start;gap:1px;flex:1 1 auto;min-width:0;text-align:left;padding:5px 8px;background:var(--panel-2);border:1px solid var(--line);border-radius:6px;color:var(--text);cursor:pointer;font:inherit;font-size:.78rem}.sld-config-item:hover{border-color:var(--accent)}.sld-config-sub{font-size:.66rem;color:var(--text-muted)}.sld-config-row{display:flex;gap:4px;align-items:stretch}.sld-config-del{flex:0 0 auto;width:26px;background:transparent;border:1px solid var(--line);border-radius:6px;color:var(--text-muted);cursor:pointer;font-size:.7rem}.sld-config-del:hover{border-color:#e2796b;color:#e2796b}.sld-config-add{text-align:left;padding:5px 8px;background:transparent;border:1px dashed var(--line);border-radius:6px;color:var(--text-muted);cursor:pointer;font:inherit;font-size:.75rem;margin-top:2px}.sld-config-add:hover:not(:disabled){border-color:var(--accent);color:var(--text)}.sld-config-add:disabled{opacity:.4;cursor:default}.sld-config-save{display:flex;flex-direction:column;gap:4px;margin-top:2px}.sld-config-save select{background:var(--panel-2);border:1px solid var(--line);border-radius:5px;color:var(--text);font:inherit;padding:4px 6px}.sld-config-save input{flex:1 1 auto;min-width:0;background:var(--panel-2);border:1px solid var(--line);border-radius:5px;color:var(--text);font:inherit;font-size:.78rem;padding:3px 7px}.sld-config-save button{flex:0 0 auto;background:var(--panel-2);border:1px solid var(--line);border-radius:5px;color:var(--text);cursor:pointer;font:inherit;font-size:.75rem;padding:3px 8px}.survey{height:100%;overflow-y:auto;width:100%;max-width:760px;margin:0 auto;padding:24px 24px 0;box-sizing:border-box}.survey-head h1{margin:0 0 4px;font-size:1.4rem}.survey-head .muted{margin:0 0 20px;max-width:60ch}.survey-empty{padding:24px 0}.survey-list{display:flex;flex-direction:column;gap:12px}.survey-sub{border:1px solid var(--line);border-radius:10px;background:var(--panel);overflow:hidden}.survey-sub.is-open{box-shadow:inset 3px 0 0 var(--accent)}.survey-sub-head{display:flex;align-items:center;gap:8px;padding:8px 12px 8px 8px;cursor:pointer}.survey-twisty{background:none;border:none;color:var(--text-muted);font-size:.9rem;cursor:pointer;padding:8px;min-width:32px;transition:transform .15s ease}.survey-sub.is-open .survey-twisty{transform:rotate(90deg);color:var(--text)}.survey-sub-name{flex:1;min-width:0;background:transparent;border:1px solid transparent;border-radius:6px;color:var(--text);font-size:1rem;font-weight:600;padding:8px}.survey-sub-name:hover{border-color:var(--line)}.survey-sub-name:focus{border-color:var(--accent);outline:none;background:var(--bg)}.survey-pill{flex:none;white-space:nowrap;font-size:.72rem;color:var(--text-muted);border:1px solid var(--line);border-radius:999px;padding:3px 10px;background:var(--bg)}.survey-pill.is-warn{color:#d6a14a;border-color:#d6a14a66}.survey-del,.survey-confirm button,.survey-cancel{background:var(--bg);border:1px solid var(--line);color:var(--text-muted);border-radius:6px;padding:8px 12px;cursor:pointer;font:inherit;font-size:.8rem}.survey-del:hover{color:#d6584a;border-color:#d6584a66}.survey-confirm{display:flex;gap:6px}.survey-danger{background:#d6584a;border:1px solid #d6584a;color:#fff;border-radius:6px;padding:8px 12px;cursor:pointer;font:inherit;font-size:.8rem}.survey-equip{padding:10px 12px 14px;display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line)}.survey-none{padding:6px 4px;font-size:.85rem}.survey-item-wrap{border:1px solid var(--line);border-radius:10px;background:var(--bg);overflow:hidden}.survey-item{display:flex;align-items:center;gap:10px;padding:8px 10px;background:var(--panel-2)}.survey-item-tag{flex:none;width:132px;background:transparent;border:1px solid transparent;border-radius:6px;color:var(--text);padding:6px 8px;font:inherit;font-size:.92rem;font-weight:600}.survey-item-tag:hover{border-color:var(--line);background:var(--bg)}.survey-item-tag:focus{border-color:var(--accent);outline:none;background:var(--bg)}.survey-volt-chip{flex:none;font-size:.7rem;font-weight:700;line-height:1.2;border:1px solid currentColor;border-radius:999px;padding:2px 8px}.survey-volt-chip.is-ehv{color:var(--volt-ehv)}.survey-volt-chip.is-hv{color:var(--volt-hv)}.survey-volt-chip.is-lv{color:var(--volt-lv)}.survey-item-kind{flex:1;min-width:0;color:var(--text-muted);font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.survey-item-del{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px 8px;font-size:.9rem}.survey-item-del:hover{color:#d6584a}.survey-add-equip{align-self:flex-start;margin-top:2px;background:var(--bg);border:1px dashed var(--line);color:var(--accent);border-radius:8px;padding:10px 14px;cursor:pointer;font:inherit;font-size:.9rem}.survey-add-equip:hover{border-color:var(--accent)}.survey-add-menu{display:flex;flex-direction:column;gap:8px;margin-top:2px}.survey-equip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px}.survey-equip-opt{display:flex;flex-direction:column;align-items:flex-start;gap:3px;background:var(--bg);border:1px solid 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