:root{color-scheme:dark;--bg:#0b1220;--panel:#111b2c;--raised:#18243a;--line:#2a3a52;--text:#e5edf8;--muted:#95a7be;--accent:#54d6c7;--blue:#69a8ff;--danger:#ff8795;font-family:Inter,Segoe UI,Arial,sans-serif;font-size:13px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);height:100vh;overflow:hidden}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:var(--raised);color:var(--text);border-radius:7px;padding:7px 10px;white-space:nowrap;transition:background .12s}button:hover{background:#253750;border-color:#637d9e}button.active,button.primary{background:var(--accent);border-color:var(--accent);color:#062923;font-weight:650}button:disabled{opacity:.4;cursor:default}button.danger{color:var(--danger)}input,select,textarea{width:100%;background:#0c1627;border:1px solid var(--line);border-radius:6px;color:var(--text);padding:8px}textarea{resize:vertical;line-height:1.5;min-height:65px}input:focus,textarea:focus,select:focus{outline:2px solid #54d6c766;outline-offset:1px}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input[type=checkbox]{width:auto;accent-color:var(--accent)}[hidden]{display:none!important}.mainbar{height:76px;display:flex;align-items:center;gap:22px;padding:13px 18px;border-bottom:1px solid var(--line);background:#101a2b}.brand{display:flex;gap:10px;align-items:center;font-weight:650;font-size:15px;min-width:205px}.brandmark{background:#54d6c7;color:#092d2a;border-radius:12px;padding:10px 14px;font-size:22px;font-weight:800}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:400;margin-top:5px}.project-heading{min-width:160px;flex:1}.project-heading input{border:none;background:transparent;font-weight:650;font-size:15px;padding:3px 0}.project-heading small{font-size:11px;color:var(--muted)}nav{display:flex;gap:6px}.workspace{display:grid;grid-template-columns:230px minmax(360px,1fr) 300px;height:calc(100vh - 76px)}.sidebar{background:var(--panel);overflow:auto;min-width:0}.left-panel{border-right:1px solid var(--line);display:flex;flex-direction:column}.right-panel{border-left:1px solid var(--line)}.tabs{display:flex;gap:4px;padding:12px 10px;border-bottom:1px solid var(--line)}.tabs button{flex:1;padding:7px 5px;font-size:12px}.left-footer{margin-top:auto;padding:12px;display:grid;gap:7px;border-top:1px solid var(--line)}#left-content{padding:12px}.section-heading,.inspector-heading{display:flex;align-items:center;gap:8px;padding:12px;border-bottom:1px solid var(--line)}.inspector-heading{justify-content:space-between;height:48px}.inspector-heading span{font-size:11px;color:var(--muted)}#inspector{padding:14px}.field{display:block;margin:0 0 12px}.field>span{display:block;color:var(--muted);font-size:11px;margin-bottom:5px}.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}.field-pair .field{min-width:0}.small-note{font-size:11px;color:var(--muted);line-height:1.6;margin:8px 0 14px}.action-row{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}.divider{border-top:1px solid var(--line);margin:16px 0}.list-card{border:1px solid var(--line);border-radius:9px;padding:11px;margin-bottom:8px;cursor:pointer;position:relative;background:#152036}.list-card.active{border-color:var(--accent);box-shadow:inset 3px 0 var(--accent)}.list-card strong{display:block;font-size:13px;padding-right:10px}.list-card small{display:block;font-size:11px;color:var(--muted);margin-top:6px}.list-card .action-row{margin-bottom:0}.list-card button{font-size:11px;padding:4px 7px}.palette{display:grid;gap:8px}.palette button{padding:12px;text-align:left;display:flex;align-items:center;gap:10px}.palette-icon{width:30px;height:28px;border-radius:6px;border:2px solid #69a8ff;background:#69a8ff22}.palette small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.canvas-panel{display:flex;flex-direction:column;min-width:0;min-height:0}.canvas-toolbar{min-height:49px;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--line);flex-wrap:wrap}.canvas-toolbar>div{display:flex;gap:5px;align-items:center}.canvas-toolbar button{padding:5px 8px;font-size:12px}.canvas-toolbar select{width:96px;padding:5px}.check{font-size:11px;color:var(--muted);display:flex;gap:5px;align-items:center}.tool-hint{padding:7px 14px;background:#111b2c;color:var(--muted);font-size:11px;min-height:28px}#canvas-scroll{flex:1;overflow:auto;min-height:140px;position:relative;background-color:#090f1b;background-image:radial-gradient(#28394b 1px,transparent 1px);background-size:20px 20px;padding:30px}#canvas-world{position:relative;margin:auto;box-shadow:0 14px 60px #0005;flex-shrink:0;background:#0b1220}#scene-view,#edit-overlay{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}#canvas-scroll,#canvas-world,#edit-overlay{user-select:none;-webkit-user-select:none}#edit-overlay{touch-action:none;overflow:visible}#canvas-scroll input,#canvas-scroll textarea{user-select:text;-webkit-user-select:text}.node-hit{fill:transparent;stroke:transparent;cursor:move}.node-hit.selected{stroke:#54d6c7;stroke-width:2;stroke-dasharray:7 4}.node-hit.locked{cursor:default}.resize-handle{fill:#54d6c7;stroke:#0b1220;stroke-width:2;cursor:nwse-resize}.route-hit{fill:none;stroke:transparent;stroke-width:18;cursor:pointer}.route-selected{fill:none;stroke:#54d6c7;stroke-width:3;stroke-dasharray:9 5;pointer-events:none}.waypoint{fill:#0b1220;stroke:#54d6c7;stroke-width:3;cursor:move}.marquee{fill:#54d6c718;stroke:#54d6c7;stroke-width:1;pointer-events:none}.draft-route{fill:none;stroke:#ffcd75;stroke-width:3;stroke-dasharray:8 5;pointer-events:none}.draft-visit{fill:#ffcd7540;stroke:#ffcd75;pointer-events:none}#canvas-error{position:absolute;top:15px;left:15px;right:15px;background:#44232e;border:1px solid var(--danger);padding:14px;border-radius:8px}.canvas-status{display:flex;gap:14px;align-items:center;padding:7px 12px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.canvas-status button{font-size:10px;padding:4px 7px}.canvas-status #validation-summary{margin-left:auto}.steps-panel{height:235px;min-height:48px;border-top:1px solid var(--line);background:#111b2c;overflow:auto;flex-shrink:0}.steps-panel.collapsed{height:48px}.steps-panel .section-heading{padding:9px 12px;height:48px}.section-heading strong{flex:1;white-space:nowrap}.section-heading select{width:140px;padding:5px}#steps-content{display:flex;gap:10px;padding:12px;align-items:flex-start}.step-card{flex:0 0 295px;border:1px solid var(--line);border-radius:10px;padding:12px;background:#162239}.step-card.active{border-color:var(--accent)}.step-card strong{display:block;margin-bottom:7px}.step-card small{color:var(--muted);font-size:11px}.step-card .action-row button{font-size:11px;padding:5px 7px}.move-line{font-size:11px;margin-top:8px;color:#c0d5ee}.step-card .step-progress{height:4px;background:#0d1728;margin-top:10px;border-radius:4px}.step-card .step-progress span{display:block;width:100%;height:100%;background:#54d6c7;border-radius:4px}.table-editor{overflow:auto;max-height:280px}.table-editor table{border-collapse:collapse;width:100%}.table-editor td,.table-editor th{padding:2px;min-width:85px}.table-editor input{font-size:11px;padding:5px}.table-editor .remove-cell{padding:3px 6px;font-size:10px}details{margin:15px 0;font-size:11px;color:var(--muted)}details summary{cursor:pointer;margin-bottom:10px}.diagnostic{border:1px solid var(--line);border-left:3px solid var(--danger);border-radius:7px;padding:12px;margin:8px 0}.diagnostic.warning{border-left-color:#ffcd75}.diagnostic p{margin:5px 0;color:var(--muted)}.empty-state{padding:20px 5px;color:var(--muted);font-size:12px;line-height:1.7}.workspace.hide-left{grid-template-columns:0 minmax(360px,1fr) 300px}.workspace.hide-right{grid-template-columns:230px minmax(360px,1fr) 0}.workspace.hide-left.hide-right{grid-template-columns:0 minmax(360px,1fr) 0}.workspace.hide-left .left-panel,.workspace.hide-right .right-panel{visibility:hidden}dialog{width:min(900px,calc(100vw - 50px));max-height:calc(100vh - 60px);border:1px solid #526a89;border-radius:14px;background:var(--panel);color:var(--text);padding:20px}dialog::backdrop{background:#020914bb}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.dialog-heading h2{font-size:18px;margin:0}.dialog-heading button{font-size:20px;padding:3px 10px}#dialog-content{max-height:65vh;overflow:auto}#dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:15px}.json-editor{min-height:400px;font:12px/1.6 Consolas,monospace;white-space:pre;tab-size:2}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.help-grid p{color:var(--muted);line-height:1.7}.help-grid strong{color:var(--text)}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#203954;border:1px solid #607b9d;border-radius:9px;padding:12px 20px;z-index:10;box-shadow:0 6px 25px #0007;display:none;max-width:80vw}#toast.visible{display:block}#preview-panel{height:calc(100vh - 76px);display:flex;flex-direction:column}.preview-toolbar{display:flex;align-items:center;gap:15px;padding:12px;background:var(--panel);border-bottom:1px solid var(--line)}.preview-toolbar span{flex:1;color:var(--muted);font-size:12px}#preview-frame{width:100%;flex:1;border:0;background:#0b1220}.error-text{color:var(--danger);font-size:12px;white-space:pre-wrap;line-height:1.6}.route-visit-row{display:flex;align-items:center;gap:5px;margin:6px 0}.route-visit-row select{flex:1;font-size:12px;padding:5px}.route-visit-row button{font-size:10px;padding:5px}.badge{display:inline-block;border-radius:4px;padding:2px 5px;background:#69a8ff22;color:#91c0ff;font-size:10px}.locked-badge{color:#ffcd75}.inline-warning{color:#ffcd75;font-size:11px}.event-row{border:1px solid var(--line);padding:8px;margin:8px 0;border-radius:7px}.event-row label{font-size:11px;color:var(--muted)}@media(max-width:1450px){.workspace{grid-template-columns:195px minmax(350px,1fr) 265px}.brand{min-width:170px;font-size:13px}.mainbar{gap:12px;padding:10px}.mainbar nav button{font-size:11px;padding:7px 8px}.mainbar .project-heading{min-width:120px}.workspace.hide-left{grid-template-columns:0 minmax(350px,1fr) 265px}.workspace.hide-right{grid-template-columns:195px minmax(350px,1fr) 0}.brandmark{padding:8px 12px}.steps-panel{height:200px}.canvas-status{gap:7px}}@media(max-width:1100px){.brand{display:none}.workspace{grid-template-columns:170px minmax(320px,1fr) 250px}.canvas-toolbar{justify-content:flex-start}.canvas-status #selection-label{display:none}.steps-panel .section-heading strong{font-size:11px}.steps-panel .section-heading button{font-size:10px;padding:5px}.section-heading select{width:100px}.preview-toolbar span{display:none}}

/* Basic authoring starts with a generous canvas; technical controls remain available on demand. */
.mainbar{height:66px;gap:14px;padding:8px 14px}.workspace{height:calc(100vh - 66px);grid-template-columns:210px minmax(360px,1fr) 270px}.brand{min-width:180px;font-size:13px}.brandmark{padding:7px 11px}.tabs{padding:8px 6px;gap:3px}.tabs button{min-width:0;font-size:11px;padding:7px 4px}.sidebar{overflow-x:hidden}.left-footer{padding:8px}.left-footer details{margin:0}.left-footer button{display:block;width:100%;margin:6px 0}.palette button{padding:9px;font-size:12px}.palette-icon{width:24px;min-width:24px;height:24px}.palette small{line-height:1.4}.canvas-toolbar{padding:7px 9px}.canvas-toolbar select{width:82px}.steps-panel.collapsed{height:44px;min-height:44px}.steps-panel .section-heading{height:44px;padding:7px 10px}.steps-panel{height:190px}.steps-panel.collapsed #steps-content{display:none}.canvas-status{padding:6px 9px;gap:7px}.canvas-status #selection-label{max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace.hide-left{grid-template-columns:0 minmax(360px,1fr) 270px}.workspace.hide-right{grid-template-columns:210px minmax(360px,1fr) 0}.workspace.hide-left.hide-right{grid-template-columns:0 minmax(360px,1fr) 0}#preview-panel{height:calc(100vh - 66px)}#empty-hint{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);width:min(380px,80%);padding:22px;background:#142135ed;border:1px solid #36506c;border-radius:12px;z-index:2;box-shadow:0 12px 35px #0006;line-height:1.6}#empty-hint strong{font-size:16px}#empty-hint p{color:var(--muted);font-size:12px}.advanced-settings{border-top:1px solid var(--line);padding-top:14px;margin-top:16px}.advanced-settings summary{font-size:12px;color:var(--text)}#inspector .field>span{font-size:12px}#inspector .action-row button{white-space:normal}.tool-hint{min-height:28px}.section-heading strong{font-size:12px}#scenario-select:has(option:only-child){display:none}#zoom-label{min-width:46px}.inline-text-editor{position:absolute;z-index:5;resize:none;box-shadow:0 5px 22px #0008;background:#14263d;border:2px solid var(--accent);font-size:15px;padding:12px}#canvas-scroll.panning,#canvas-scroll.panning .node-hit{cursor:grabbing}.connection-handle{fill:#54d6c7;stroke:#092d2a;stroke-width:2;cursor:crosshair}.connection-handle:hover,.connection-handle.drop-target{fill:#fff;stroke:#54d6c7}.connection-handle.target-handle{fill:#102b36;stroke:#54d6c7}.connection-handle.target-handle.drop-target{fill:#fff;stroke:#ffcd75}.connection-target{fill:#54d6c726;stroke:#54d6c7;stroke-width:3;pointer-events:none}.connection-selected{fill:none;stroke:#54d6c7;stroke-width:4;pointer-events:none}.connection-hit{fill:none;stroke:transparent;cursor:pointer}.geometry-handle{fill:#ffcd75;stroke:#0b1220;stroke-width:2;cursor:move}.waypoint.selected{fill:#54d6c7}.resize-handle{fill:#54d6c780}.empty-token-action{border:1px solid #ffcd7566;border-radius:8px;padding:12px;margin:8px 0}.empty-token-action p{color:#ffcd75;margin-top:0}.chain-choice button{white-space:normal;width:100%;text-align:left;margin-bottom:8px}.palette button[data-component="token"] .palette-icon{border-radius:50%;background:#54d6c730;border-color:#54d6c7}.preview-toolbar strong{font-size:13px}
@media(max-width:1450px){.workspace{grid-template-columns:190px minmax(350px,1fr) 250px}.workspace.hide-left{grid-template-columns:0 minmax(350px,1fr) 250px}.workspace.hide-right{grid-template-columns:190px minmax(350px,1fr) 0}.workspace.hide-left.hide-right{grid-template-columns:0 minmax(350px,1fr) 0}.brand{min-width:150px}.mainbar{gap:10px}.mainbar nav button{padding:7px;font-size:11px}.canvas-toolbar button{font-size:11px;padding:5px 6px}.canvas-toolbar .toolset{flex-wrap:wrap}.canvas-status #selection-label{max-width:130px}.steps-panel{height:180px}}
@media(max-width:1300px){.brand{display:none}.mainbar .project-heading{min-width:130px}.canvas-toolbar{gap:5px}.canvas-toolbar [data-tool="route"]{display:none}.canvas-status{gap:5px}.canvas-status button{font-size:10px;padding:4px 5px}}

.mainbar nav button small{display:block;font-size:9px;color:var(--muted);font-weight:400;margin-top:3px}.mainbar nav button.primary small{color:#16493f}.path-summary{border-left:3px solid var(--accent);padding:8px 10px;background:#54d6c70a;font-size:12px;line-height:1.6}.connection-hit:hover{stroke:#69a8ff33}.route-hit:hover{stroke:#54d6c72a}.draft-node{opacity:.94}.palette details{margin-top:12px}

/* Explicit camera mode, grid visibility and semantic route feedback. */
#canvas-scroll.grid-hidden{background-image:none}#canvas-scroll.pan-mode,#canvas-scroll.pan-mode .node-hit{cursor:grab}#canvas-scroll.pan-mode.panning,#canvas-scroll.pan-mode.panning .node-hit{cursor:grabbing}#tool-hint{line-height:1.45}.route-draft-list{padding:8px 12px;background:#17283c;border-bottom:1px solid var(--line);max-height:180px;overflow:auto;font-size:12px}.draft-entry{display:flex;align-items:center;gap:6px;margin:5px 0}.draft-entry>span{min-width:150px}.draft-entry .field{margin:0;flex:1}.draft-entry .field>span{display:none}.draft-entry select{padding:4px;font-size:11px}.draft-entry button{padding:4px 7px}.visit-entry>span{color:#ffcd75}.point-entry>span{color:#a7bdd4}.draft-visit{fill:#ffcd75;stroke:#0b1220;stroke-width:2;pointer-events:none}.draft-point{fill:#0b1220;stroke:#ffcd75;stroke-width:2;pointer-events:none}.diagnostic-remedy,.diagnostic-context{color:#b9e6e0!important;line-height:1.6}.diagnostic-context{font-size:12px;padding:10px;border:1px solid var(--accent);border-radius:7px;margin-bottom:12px}.split-child{border:1px solid var(--line);border-radius:8px;padding:12px;margin:10px 0}.split-child>strong{display:block;margin-bottom:12px}.route-draft-list .small-note{margin:5px 0}

/* Family authoring uses one scrollable dialog at narrow desktop sizes. */
.family-dialog{min-width:0}.split-branches{min-width:0}.split-child{min-width:0;padding:10px}.split-child-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.split-child-heading .action-row{margin:0}.split-child-heading button{padding:3px 8px}.split-child-fields{display:grid;grid-template-columns:minmax(100px,1fr) minmax(160px,2fr) minmax(100px,1fr);gap:10px}.split-child-fields .field{min-width:0}.split-child .field input,.split-child .field select{min-width:0;width:100%}.split-child details{margin:8px 0}.split-child .path-summary{overflow-wrap:anywhere}.merge-settings{border-top:1px solid var(--line);padding-top:12px}.active-style-settings summary,.merge-settings summary{font-size:12px;color:var(--text)}#dialog-title{overflow-wrap:anywhere}#dialog-actions{flex-wrap:wrap}#dialog-content{overflow-x:hidden}#dialog-content .field>span{overflow-wrap:anywhere}@media(max-width:700px){.split-child-fields{grid-template-columns:1fr}.split-child-heading{align-items:flex-start}dialog{width:calc(100vw - 24px);padding:12px}} 

/* Task-centred shell; panels change only through explicit user commands. */
.project-menu{position:relative;margin:0;color:var(--text);font-size:12px;align-self:center}.project-menu summary{margin:0;padding:9px;border:1px solid var(--line);border-radius:7px}.project-menu>div{position:absolute;top:100%;right:0;z-index:20;background:var(--panel);padding:8px;min-width:230px;border:1px solid var(--line);border-radius:8px;box-shadow:0 6px 24px #0008}.project-menu button{display:block;width:100%;text-align:left;margin:5px 0}
.mainbar{flex-wrap:wrap;height:auto;min-height:66px}.mainbar nav{flex-wrap:wrap}.workspace,#preview-panel{height:calc(100vh - var(--header-height,66px))}.mainbar .project-heading{min-width:100px}.mainbar #project-title:read-only{pointer-events:none}.canvas-panel{position:relative}.canvas-toolbar>div{flex-wrap:wrap}.toolbar-group{display:flex;align-items:center;gap:5px}.toolbar-group>small{color:var(--muted);font-size:10px}.canvas-toolbar details{margin:0}.canvas-toolbar details summary{margin:0;padding:5px}.canvas-toolbar details[open]{position:relative}.canvas-toolbar details>div{position:absolute;z-index:8;background:var(--panel);padding:10px;border:1px solid var(--line);display:grid;gap:8px;min-width:180px}.path-summary{overflow-wrap:anywhere;max-height:120px;overflow:auto}.search-result{padding:8px 0;border-bottom:1px solid var(--line)}.search-result strong{display:block;overflow-wrap:anywhere;font-size:12px}.search-result small{display:block;color:var(--muted);font-size:11px}.search-result .action-row{margin:5px 0}.search-controls{display:flex;gap:5px;margin:8px 0}.search-controls input{min-width:0}.search-controls select{width:105px;font-size:11px}.reveal-target{fill:#ffcd7526;stroke:#ffcd75;stroke-width:3;pointer-events:none}.behavior-settings>summary{font-size:12px;color:var(--text)}.behavior-entry{padding:8px 0;border-bottom:1px solid var(--line)}.behavior-entry>summary{font-size:12px;color:var(--text)}
.route-draft-list{position:absolute;right:8px;top:90px;bottom:78px;width:min(350px,48%);max-height:none;z-index:6;display:flex;flex-direction:column;padding:10px;border:1px solid #52718e;border-radius:9px;box-shadow:0 5px 25px #0009;overflow:hidden}.route-draft-list.collapsed{bottom:auto;width:auto;max-width:70%}.route-draft-list h3{font-size:13px;margin:0}.route-draft-list .small-note{margin:5px 0}.route-draft-header{display:flex;gap:8px;align-items:center;justify-content:space-between}.route-search-results{overflow:auto;max-height:180px;min-height:40px}.route-order{overflow:auto;min-height:0;flex:1;margin:7px 0}.route-order[open]{min-height:120px}.route-order>summary{margin-bottom:5px}.draft-entry{flex-wrap:wrap;border-bottom:1px solid var(--line);padding:6px 0}.draft-entry>span{min-width:0;width:100%;overflow-wrap:anywhere}.draft-entry .field{flex:1 1 160px}.draft-entry.active{border-left:3px solid var(--accent);padding-left:5px}.draft-entry button{font-size:10px}.draft-position{max-width:75px}.route-draft-actions{display:flex;flex-wrap:wrap;gap:5px;border-top:1px solid var(--line);padding-top:7px}.route-draft-actions button{white-space:normal;font-size:11px;padding:5px}.route-draft-list .error-text{max-height:80px;overflow:auto;margin:5px 0}.linked-choice{overflow:auto;min-height:0;flex:1}.linked-choice button{white-space:normal}.route-draft-list .field{margin-bottom:7px}.split-child-fields{grid-template-columns:minmax(100px,1fr) minmax(160px,2fr) minmax(100px,1fr)}.family-summary{position:sticky;top:0;background:var(--panel);padding:8px;z-index:1;border-bottom:1px solid var(--line)}.split-child details[open]{border-top:1px solid var(--line);padding-top:8px}.split-child-status{font-size:11px;color:var(--muted)}
#local-check-bar{display:flex;align-items:center;flex-wrap:wrap;gap:6px;padding:8px;background:#203947;border-bottom:1px solid var(--accent);font-size:11px}#local-check-bar strong{flex:1;min-width:170px}#local-check-bar button{font-size:11px}#check-speed{width:100px}#local-check-frame{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:4}.workspace.checking .steps-panel,.workspace.checking .canvas-toolbar,.workspace.checking #route-draft-list{display:none}.workspace.checking #canvas-scroll{padding:0}.workspace.checking .right-panel input,.workspace.checking .right-panel select,.workspace.checking .right-panel button,.workspace.checking .right-panel textarea{pointer-events:none;opacity:.5}#steps-context{font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:320px;color:var(--muted)}
@media(max-width:900px){.mainbar{gap:5px;padding:5px}.mainbar nav button{padding:5px}.workspace{grid-template-columns:170px minmax(230px,1fr) 230px}.workspace.hide-left{grid-template-columns:0 minmax(230px,1fr) 230px}.workspace.hide-right{grid-template-columns:170px minmax(230px,1fr) 0}.workspace.hide-left.hide-right{grid-template-columns:0 minmax(230px,1fr) 0}.route-draft-list{width:min(330px,85%)}.canvas-status{flex-wrap:wrap}.section-heading{flex-wrap:wrap!important;height:auto!important}.steps-panel.collapsed{height:auto}.canvas-toolbar [data-tool="route"]{display:inline-block}.split-child-fields{grid-template-columns:1fr}}

/* At high browser zoom the entire draft remains scrollable, including its commands. */
.route-draft-list{overflow:auto}.route-draft-list> *{flex-shrink:0}.route-draft-list .route-order{flex:none;max-height:200px}.route-draft-list .route-order[open]{min-height:120px}

.search-controls{flex-wrap:wrap}.search-controls input{flex:1 1 150px}.search-controls select{flex:1 1 105px}

/* Keep the assembly decision and its result visible as one card. */
.merge-settings{border:1px solid var(--accent);border-radius:8px;padding:12px;margin:12px 0;background:#20313e}.merge-settings>summary{font-size:15px;font-weight:800;cursor:pointer;padding:3px 0 10px}.assembly-outcome{font-weight:600;color:var(--accent);line-height:1.5}.family-summary{position:static;white-space:normal}.family-dialog .path-summary{border-left:3px solid var(--accent);padding-left:8px;overflow-wrap:anywhere}.branch-command{display:block;width:100%;text-align:left;white-space:normal;margin-top:6px;font-weight:600}.family-route-command{margin-top:8px}.family-route-preview{fill:none;stroke-dasharray:8 4}.family-dialog .error-text{white-space:normal;margin:10px 0}.family-dialog [aria-invalid="true"]{outline:2px solid #ff9b9b;outline-offset:2px}
dialog[open]{display:flex;flex-direction:column;max-height:calc(100vh - 24px);box-sizing:border-box}#dialog-content{min-height:0;flex:1;max-height:none;overflow:auto}#dialog-actions{flex-shrink:0;flex-wrap:wrap}dialog h2{flex-shrink:0;overflow-wrap:anywhere}.split-child-fields>*{min-width:0}.split-child input,.split-child select,.merge-settings select{box-sizing:border-box;max-width:100%}

/* Palette content stays inside the narrow sidebar; status overlays never own gestures. */
.palette{min-width:0}.palette button{width:100%;min-width:0;max-width:100%;white-space:normal}.palette button>span:last-child{min-width:0;overflow-wrap:anywhere}.palette-icon{flex-shrink:0}#toast{pointer-events:none}

/* Status messages participate in layout and leave command labels visible. */
.canvas-status{flex-wrap:wrap;flex-shrink:0}#toast{position:static;bottom:auto;left:auto;transform:none;width:100%;max-width:100%;padding:7px 10px;z-index:auto;box-shadow:none;font-size:11px;line-height:1.45;overflow-wrap:anywhere;flex-shrink:0}.canvas-status #toast{flex-basis:100%}#preview-panel>#toast{margin:0 12px 8px;width:calc(100% - 24px)}

/* The drawer owns scrolling; a short viewport must not collapse allowed lines beneath adjacent controls. */
.route-draft-list .linked-choice{flex:none;min-height:40px;overflow:visible}