.demoTourLayer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:12000;pointer-events:none;width:100%;min-height:100vh;min-height:100dvh;box-sizing:border-box;transition:opacity .7s ease;opacity:1}.demoTourLayer--fadeOut{opacity:0}.demoTourBackdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f172a1f;pointer-events:none}.demoTourBackdrop--dimOnly{background:transparent}.demoTourFocusHole{position:absolute;box-sizing:border-box;border:2px solid rgba(255,255,255,.88);border-radius:10px;box-shadow:0 0 0 9999px #02061780;pointer-events:none}.demoTourFocusHole--strong{border-color:#fffffff2;box-shadow:0 0 0 9999px #0206179e,0 10px 32px #00000059;animation:demoTourFocusHolePulse .95s ease-in-out infinite alternate}@keyframes demoTourFocusHolePulse{0%{transform:scale(1)}to{transform:scale(1.015)}}.demoTourCursor{position:absolute;left:0;top:0;will-change:transform,opacity;transition:transform .55s cubic-bezier(.22,1,.36,1),opacity .35s ease;pointer-events:none}.demoTourCursorSvg{display:block;filter:drop-shadow(0 5px 14px rgba(0,0,0,.45))}.demoTourCaptionWrap{position:absolute;left:0;right:0;bottom:0;width:100%;padding:0 max(12px,env(safe-area-inset-left,0px)) max(0px,env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-right,0px));box-sizing:border-box;pointer-events:none}.demoTourCaptionInner{max-width:min(900px,100%);margin:0 auto;padding:16px 22px 18px;padding-bottom:max(18px,calc(10px + env(safe-area-inset-bottom,0px)));background:var(--surface);border:1px solid var(--border);border-bottom:none;border-radius:14px 14px 0 0;box-shadow:0 -10px 44px #0f172a24;pointer-events:none}.demoTourCaptionText{margin:0;font-size:16px;line-height:1.5;font-weight:600;color:var(--text)}.demoTourHint{margin:10px 0 0;font-size:13px;color:var(--muted)}.demoTourStepSubtext{margin:8px 0 0;font-size:13px;line-height:1.4;color:#475569}.demoTourTargetHover{outline:2px solid rgba(13,148,136,.9);outline-offset:2px;filter:saturate(1.12) brightness(1.06);transition:filter .16s ease,outline-color .16s ease}.demoTourTargetActive{outline:2px solid rgba(37,99,235,.92);outline-offset:2px;filter:saturate(1.15) brightness(1.08);transition:filter .12s ease,outline-color .12s ease}.demoTourTargetClick{outline:3px solid rgba(22,163,74,.95);outline-offset:3px;box-shadow:0 0 0 2px #ffffffd9;filter:saturate(1.12) brightness(1.05);transition:filter .14s ease,outline-color .14s ease,box-shadow .14s ease}.demoTourEndCardLayer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:12100;background:#fff;display:grid;place-items:center;padding:max(24px,env(safe-area-inset-top,0px)) max(20px,env(safe-area-inset-right,0px)) max(24px,env(safe-area-inset-bottom,0px)) max(20px,env(safe-area-inset-left,0px));box-sizing:border-box;animation:demoTourEndCardBackdropIn .55s ease forwards}@keyframes demoTourEndCardBackdropIn{0%{opacity:0}to{opacity:1}}.demoTourEndCardPanel{display:flex;flex-direction:column;align-items:center;gap:12px;animation:demoTourEndCardPanelIn .65s cubic-bezier(.22,1,.36,1) .08s both}@keyframes demoTourEndCardPanelIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.demoTourEndCardBrand{margin:0;font-size:clamp(36px,6vw,68px);font-weight:700;color:#111827;letter-spacing:.02em}.demoTourEndCardTagline{margin:0;font-size:15px;font-weight:500;color:#64748b;letter-spacing:.01em}.demoTourEndCardBtn{margin-top:8px;min-width:9rem}.demoTourStopBar{position:absolute;top:14px;right:16px;pointer-events:auto}.demoTourLayer--systemMap .demoTourStopBar{top:auto;right:auto;bottom:22px;left:18px}.fileMenuAuthorTagline{margin:0;padding:8px 14px 10px;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.02em;-webkit-user-select:none;user-select:none;text-align:center}.demoTourStopBtn{box-shadow:0 4px 16px #0f172a26}.app{display:flex;height:100%;flex-direction:column}.trainboxHeader.appHeader{flex-wrap:wrap;gap:8px 12px;border-left:4px solid var(--accent, #0d9488);background:var(--accent-bg-faint);box-shadow:0 1px #0f172a0f}.appHeaderMenubar{display:flex;align-items:center;gap:4px;flex:1;min-width:0}.appHeaderMenubar .fileMenuWrap{align-self:flex-start}.appHeader{padding:12px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;background:var(--surface);flex-shrink:0;position:relative;z-index:2000}.toolBtnWithIcon{display:inline-flex;align-items:center;gap:6px}.toolBtnWithIcon svg{flex-shrink:0;opacity:.9}.fileMenuDropdownWide{min-width:min(420px,92vw);max-height:min(80vh,640px);overflow-y:auto}.visualsDropdown{min-width:min(320px,92vw);max-height:min(85vh,720px);overflow-y:auto;padding:2px 0 6px}.visualsMenuWide{max-width:calc(100vw - 12px);box-sizing:border-box}.visualsMenuWide.visualsPanelShell{min-width:440px;max-width:min(1240px,calc(100vw - 12px));padding:0;overflow:visible;max-height:none}.visualsPanelShell.visualsDropdown{overflow:visible;max-height:none}.visualsPanelBody{padding:2px 4px 6px 0;overflow-y:auto;overflow-x:hidden;box-sizing:border-box;min-height:160px}.visualsPanelBody .visualsPanelInlineRow{padding-left:8px;padding-right:8px}.visualsPanelBody .visualsSelectedStationLabelBlock{padding-left:8px;padding-right:8px;margin-bottom:4px}.visualsPanelBody .emptyHint{padding-left:8px;padding-right:8px;box-sizing:border-box}.visualsResizeEdgeRight{position:absolute;top:8px;bottom:22px;right:0;width:10px;z-index:25;cursor:ew-resize;touch-action:none;background:transparent}.visualsResizeEdgeRight:hover{background:var(--accent-muted)}.visualsResizeEdgeBottom{position:absolute;bottom:0;left:8px;right:22px;height:10px;z-index:25;cursor:ns-resize;touch-action:none;background:transparent}.visualsResizeEdgeBottom:hover{background:var(--accent-muted)}.visualsResizeCorner{position:absolute;bottom:0;right:0;width:22px;height:22px;z-index:26;cursor:se-resize;touch-action:none;background:transparent;border-bottom-right-radius:9px}.visualsResizeCorner:hover{background:#0d94882e}.visualsTopRow{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:8px 12px;padding:2px 8px 6px;align-items:start}@media (max-width: 640px){.visualsTopRow{grid-template-columns:1fr}.visualsMenuWide.visualsPanelShell{width:calc(100vw - 12px)!important;min-width:unset;max-width:calc(100vw - 12px)}.visualsResizeEdgeRight,.visualsResizeEdgeBottom,.visualsResizeCorner{display:none}}.visualsTopRowBlock{min-width:0}.visualsMapOptions{display:flex;flex-wrap:wrap;gap:4px 6px;flex-direction:column}@media (min-width: 480px){.visualsMapOptions{flex-direction:row;flex-wrap:wrap;gap:6px 10px}}.visualsMenuWide .fileMenuDivider{margin:4px 0}.visualsMenuWide>.fileMenuSubLabel{padding:4px 8px 2px}.visualsMenuWide .visualsTopRow .fileMenuCheck{padding:3px 0;font-size:12px}.modeVisualsColumns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 10px;padding:2px 8px 4px;align-items:stretch}@media (max-width: 720px){.modeVisualsColumns{grid-template-columns:1fr}}@media (min-width: 721px) and (max-width: 1000px){.visualsMenuWide .modeVisualsColumns{grid-template-columns:repeat(2,minmax(0,1fr))}}.modeVisualsColumns .modeVisualsBlock{border:1px solid var(--accent-border-soft);border-radius:8px;padding:6px 8px 8px;margin:0;background:var(--surface);box-sizing:border-box}.modeVisualsColumns .modeVisualsBlock:last-child{margin-bottom:0;padding-bottom:8px;border-bottom:1px solid var(--accent-border-soft)}.modeVisualsColumns .modeVisualsBlock>.fileMenuSubLabel{margin:-2px -8px 4px;padding:5px 8px 4px;border-radius:6px 6px 0 0;background:var(--accent-bg-soft);color:#0f3d3a}.modeVisualsColumns .fileMenuLabelRow{display:flex;flex-direction:row;align-items:center;gap:6px;padding:2px 4px;column-gap:unset;grid-template-columns:unset}.modeVisualsColumns .fileMenuLabelRow>span:first-child{flex:0 1 auto;min-width:0;text-align:left}.modeVisualsColumns .fileMenuLabelRow input{margin-left:auto;flex:0 0 auto;width:auto;min-width:0}.modeVisualsColumns .fileMenuLabelRow input[type=text]{width:min(160px,52vw);min-width:96px;max-width:100%}.modeVisualsColumns .fileMenuLabelRow input[type=number]{width:4.25rem;max-width:100%}.modeVisualsColumns .fileMenuLabelRow input[type=color]{width:34px;height:28px;padding:1px 2px;flex-shrink:0}.visualsMenuDefaultLabelRow{display:flex;flex-direction:row;align-items:center;gap:6px;padding:2px 0;grid-template-columns:unset}.visualsMenuDefaultLabelRow>span:first-child{flex:0 0 auto}.visualsMenuDefaultLabelRow input[type=color]{margin-left:auto;width:34px;height:28px;padding:1px 2px}.fileMenuImportHint{margin:0 14px 10px;font-size:11px;line-height:1.4;color:var(--muted)}.fileMenuImportRow{display:flex;gap:6px;padding:0 12px 8px}.fileMenuImportInput{flex:1;min-width:0;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px}.fileMenuSearchBtn{padding:8px 12px!important;flex-shrink:0}.fileMenuPlaceList{list-style:none;margin:0 0 10px;padding:0 8px;max-height:180px;overflow-y:auto}.fileMenuPlaceBtn{width:100%;text-align:left;padding:6px 8px;margin-bottom:4px;border:1px solid transparent;border-radius:6px;background:var(--bg);font-size:12px;cursor:pointer;color:var(--text)}.fileMenuPlaceBtn:hover{border-color:var(--border)}.fileMenuPlaceBtnSelected{border-color:var(--accent, #0d9488);background:var(--accent-muted, rgba(13, 148, 136, .12))}.fileMenuImportModes{display:flex;flex-direction:column;gap:4px;padding:0 14px 10px;font-size:13px}.fileMenuImportModes .fileMenuCheck{padding:5px 0}.fileMenuImportCheck{align-items:flex-start}.fileMenuImportCheck input[type=checkbox]{margin-top:2px}.fileMenuImportCheckLabel{flex:1;min-width:0;line-height:1.35}.fileMenuCheck{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;padding:6px 14px;line-height:1.35;margin:0}.fileMenuCheck input[type=checkbox]{flex-shrink:0;margin:0}.fileMenuLabelRow{display:grid;grid-template-columns:minmax(72px,34%) minmax(0,1fr);align-items:center;column-gap:12px;row-gap:4px;padding:6px 14px;font-size:13px}.fileMenuLabelRow>span:first-child{font-size:12px;color:var(--muted);line-height:1.3}.fileMenuLabelRow input[type=text],.fileMenuLabelRow input[type=number]{width:100%;min-width:0;min-height:30px;padding:6px 8px;box-sizing:border-box;border:1px solid var(--border);border-radius:6px;font-size:13px;background:var(--surface);color:var(--text)}.fileMenuLabelRow input[type=color]{width:100%;min-width:0;height:32px;padding:2px 4px;box-sizing:border-box;border:1px solid var(--border);border-radius:6px;cursor:pointer;background:var(--surface)}.fileMenuImportBtn{margin:0 12px 12px;width:calc(100% - 24px);background:var(--accent-muted)!important;border:1px solid var(--accent-border-mid)!important;color:#0f3d3a!important;font-weight:600}.fileMenuImportBtn:hover:not(:disabled){background:#0d948833!important}.orphanStationsHeaderRow{display:flex;align-items:center;justify-content:space-between;gap:8px}.orphanDeleteAllBtn{padding:4px 10px!important;font-size:11px!important}.appHeaderBrand{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-width:0}.appMapIdBadge{font-family:ui-monospace,monospace;font-size:12px;font-weight:600;padding:3px 9px;background:var(--surface);border:1px solid var(--border-strong);border-radius:6px;color:var(--muted);letter-spacing:.04em}.appCloudSyncLabel{font-size:12px;color:var(--muted);white-space:nowrap}.appTitle{margin:0;font-size:1.125rem;font-weight:600;color:var(--text);letter-spacing:-.02em}.appTitleLink{margin:0;padding:0;border:none;background:none;font:inherit;font-size:inherit;font-weight:inherit;letter-spacing:inherit;color:inherit;font-family:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}.appTitleLink:hover{opacity:.88}.appTitleLink:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}.appHeaderActions{display:flex;align-items:center;gap:8px;margin-left:auto}.mobileMenuToggleBtn{min-width:42px;padding:8px 12px;font-size:18px;line-height:1}.mobileMenuPanel{display:flex;flex-direction:column;gap:10px;padding:10px 14px 12px;border-bottom:1px solid var(--border);background:var(--surface)}.legacyHeaderSummary{display:flex;align-items:center;gap:8px}.legacyHeaderMeta{display:flex;flex-direction:column;gap:2px;font-size:11px;color:var(--muted)}.legacyHeaderCodes{letter-spacing:.08em;text-transform:uppercase}.legacyHeaderStats{font-size:11px}.legacyHeaderEditBtn{font-size:11px;padding-inline:8px}.appHeader .toolBtn,.appHeader .saveMapBtn,.appHeader .openMapBtn{background:var(--accent-bg-soft);border:1px solid var(--accent-border-soft);color:#0f3d3a;font-size:13px}.appHeader .toolBtn:hover,.appHeader .saveMapBtn:hover,.appHeader .openMapBtn:hover{background:var(--accent-muted);border-color:var(--accent-border-mid);color:#0a2f2c;box-shadow:none}.appHeader .recentSelect{background:#f1f5f9;border:1px solid #e2e8f0;color:#0f172a}.saveMapBtn,.openMapBtn{font-size:13px}.openRecentWrap{display:flex;align-items:center;gap:4px}.recentSelect{max-width:140px;font-size:12px;padding:6px 8px}.draftBanner{display:flex;align-items:center;gap:10px;padding:8px 20px;background:var(--accent-bg-subtle);border-bottom:1px solid var(--accent-border-soft);font-size:13px;color:var(--text);position:relative;z-index:1999}.appNotice{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 20px;font-size:13px;position:relative;z-index:1998;border-bottom:1px solid var(--border)}.appNoticeInfo{background:var(--selected-bg);color:var(--text)}.appNoticeError{background:#dc262614;color:#7f1d1d;border-bottom-color:#dc262633}.importSuccessToast{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:12px 20px 14px;background:var(--accent-bg-subtle);border-bottom:1px solid var(--accent-border-soft);border-left:4px solid var(--accent, #0d9488);font-size:13px;color:var(--text);position:relative;z-index:1998;box-shadow:0 4px 18px #0f172a14}.importSuccessToastMain{flex:1;min-width:0}.importSuccessToastSummary{margin:0;font-weight:600;line-height:1.45}.importSuccessToastNotes{margin-top:10px;padding-top:8px;border-top:1px solid var(--border)}.importSuccessToastNotesLabel{display:block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:6px}.importSuccessToastNotes ul{margin:0;padding-left:1.15rem;color:var(--muted);font-size:12px;line-height:1.5}.importSuccessToastDismiss{flex-shrink:0;margin-top:2px}.fileMenuWrap{position:relative}.fileMenuDropdown{position:absolute;top:calc(100% + 6px);left:0;min-width:220px;padding:8px 0;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 40px #0f172a2e;z-index:3000}.fileMenuItem{display:block;width:100%;text-align:left;padding:8px 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12px;font-size:12px}.draftBannerDismiss{color:var(--muted)}.systemMapBackBtn{background:var(--text);color:var(--surface)}.systemMapBackBtn:hover{opacity:.9}.systemMapSidebar{max-width:260px}.systemMapLegend{display:flex;align-items:center;gap:10px;margin-bottom:4px}.systemMapLegendIcon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0;color:var(--text)}.systemMapLegendIcon svg{width:100%;height:100%}.systemMapLegendTitle{margin:0}.systemMapLineCard{padding:8px 10px}.systemMapLineCardHeader{display:flex;align-items:center;gap:4px;width:100%;min-width:0}.systemMapExpandBtn{flex-shrink:0;padding:4px;border:none;background:none;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:color .15s,transform .2s,background .15s}.systemMapExpandBtn:hover{color:var(--text);background:var(--hover)}.systemMapExpandBtn svg{display:block;transform:rotate(-90deg)}.systemMapExpandBtnExpanded svg{transform:rotate(0)}.editViewExpandBtn{flex-shrink:0;padding:4px;border:none;background:none;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:color .15s,transform .2s,background .15s}.editViewExpandBtn:hover{color:var(--text);background:var(--hover)}.editViewExpandBtn svg{display:block;transform:rotate(-90deg)}.editViewExpandBtnExpanded svg{transform:rotate(0)}.systemMapLineCard .lineCardFocus{cursor:pointer;flex:1}.systemMapLineStations{padding-left:20px;margin-top:4px}.systemMapStationLink{width:100%;text-align:left;padding:4px 0;color:var(--text);cursor:pointer;font-size:13px;border:none;background:none}.systemMapStationLink:hover{color:var(--focus)}.systemMapControls{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.systemMapSearchInput{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;background:var(--surface);color:var(--text)}.systemMapSearchInput:focus{outline:none;border-color:var(--focus)}.systemMapLineDirection{font-size:11px;color:var(--muted);margin-top:2px;padding-left:22px}.systemMapContainer{display:flex;flex:1;min-height:0}.systemMapHideLinesPanelBtn,.systemMapShowLinesPanelFab{display:none}@media (max-width: 768px){.systemMapHideLinesPanelBtn{display:inline-flex;align-items:center;justify-content:center}.systemMapContainer.systemMapSidebarHidden .systemMapSidebar{display:none!important}.systemMapContainer.systemMapSidebarHidden .systemMapMapWrap{flex:1 1 auto;min-width:0}.systemMapShowLinesPanelFab{display:inline-flex;align-items:center;justify-content:center;position:absolute;z-index:1100;bottom:max(16px,env(safe-area-inset-bottom,0px));right:max(12px,env(safe-area-inset-right,0px));max-width:min(200px,42vw);padding:10px 14px;font-size:13px;font-weight:600;line-height:1.2;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:999px;box-shadow:0 4px 14px #0f172a2e;cursor:pointer;font-family:inherit;-webkit-tap-highlight-color:transparent}.systemMapShowLinesPanelFab:active{opacity:.92}.systemMapContainer.systemMapNight .systemMapShowLinesPanelFab{background:var(--bg);border-color:var(--border-strong);color:var(--text);box-shadow:0 4px 16px #00000059}}@media (min-width: 769px){.systemMapContainer.systemMapSidebarHidden .systemMapSidebar{display:flex!important}}.systemMapContainer.systemMapNight{--bg: #0f1419;--surface: #1a2332;--text: #e6edf3;--muted: #8b949e;--border: #30363d;--border-strong: #484f58;--hover: #21262d;--focus: #58a6ff;--selected-bg: #1c2128}.systemMapContainer.systemMapNight .sidebar,.systemMapContainer.systemMapNight .mapWrap{background:var(--surface)}.systemMapFullscreen.systemMapContainer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:var(--surface)}.validationSection{border:1px solid var(--accent-border-soft);border-radius:8px;padding:10px 12px;background:var(--accent-bg-subtle)}.validationSectionHeaderRow{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}.validationSectionHeaderRow .validationSectionTitle{margin:0;flex:1;min-width:0}.validationDismissBtn{flex-shrink:0;padding:4px 10px;font-size:12px}.validationSectionTitle{color:#0f766e}.validationList{margin:0;padding-left:18px;font-size:12px;color:var(--text)}.validationList li{margin:4px 0}.orphanStationsHint{margin:0 0 8px;font-size:12px;color:var(--muted)}.orphanStationList{margin:0;padding:0;list-style:none}.orphanStationItem{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 8px;border-radius:6px;font-size:13px;background:var(--bg);border:1px solid 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