.plan-stage .stage-hud{border-bottom:1px solid var(--studio-border);flex-flow:wrap;flex:none;justify-content:space-between;align-items:center;gap:8px 16px;max-width:none;padding:12px 20px;position:static}.plan-stage .scene-heading{overflow-wrap:anywhere;flex-wrap:wrap;flex:320px;align-items:center;gap:0 12px;min-width:0;display:flex}.plan-stage .scene-heading h1{letter-spacing:0;flex-basis:100%;margin-bottom:4px;font-size:20px}.plan-stage .scene-heading .scale-badge{margin-top:0}.viewport.plan-workspace{background:var(--studio-background);flex-direction:column;min-height:0;padding:0;display:flex}.plan-workspace:after{display:none}.plan-stage .view-controls{pointer-events:auto;flex-flow:wrap;flex:0 auto;justify-content:flex-end;align-items:center;max-width:100%;position:static}.plan-navigation{border-bottom:1px solid var(--studio-border);background:var(--studio-surface);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;padding:10px 20px;font-size:12px;display:flex}.plan-level-tabs,.plan-focus-controls,.plan-focus-controls>fieldset{align-items:center;gap:4px;min-width:0;display:flex}.plan-level-tabs{max-width:100%;padding:2px;overflow-x:auto}.plan-navigation button{min-width:38px;min-height:34px;color:var(--studio-muted);white-space:nowrap;cursor:pointer;border:1px solid #0000;border-radius:6px;flex:none;justify-content:center;align-items:center;gap:6px;padding:5px 10px;display:inline-flex}.plan-navigation button[aria-pressed=true]{background:var(--studio-raised);border-color:var(--studio-border);color:var(--studio-text)}.plan-navigation button:hover{color:var(--studio-text);background:var(--studio-raised)}.plan-navigation button:disabled,.plan-sheet button:disabled{cursor:wait;opacity:.5}:is(.plan-navigation button:focus-visible,.plan-sheet button:focus-visible){outline:2px solid var(--studio-selection);outline-offset:2px}.plan-focus-controls{flex-wrap:wrap}.plan-focus-controls select{max-width:200px;font-size:12px}.plan-active-area{color:var(--studio-muted);text-overflow:ellipsis;white-space:nowrap;max-width:230px;margin-left:5px;overflow:hidden}.plan-canvas{flex:1;min-height:360px;position:relative;overflow:hidden}.plan-canvas>.spatial-host{height:auto;inset:0 0 40px 44px}.studio.ai-open .plan-canvas>.spatial-host{bottom:176px}.plan-canvas>.spatial-toolbar{max-height:calc(100% - 56px);top:12px;left:12px}.studio.ai-open .plan-canvas>.spatial-toolbar{max-height:calc(100% - 196px)}.plan-canvas .editor-hint{font-size:11px;bottom:12px;left:64px;right:16px}.floor-plan-overview{padding:20px;position:absolute;inset:0 0 36px;overflow:auto}.plan-overview-heading{margin-bottom:18px}.plan-overview-heading>div{color:var(--studio-text);flex-wrap:wrap;align-items:center;gap:9px;font-size:14px;display:flex}.plan-overview-heading>div>span{color:var(--studio-muted);font-size:11px}.plan-overview-heading p{color:var(--studio-muted);margin:6px 0 0;font-size:12px;line-height:1.6}.plan-sheet-grid{grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));align-items:start;gap:16px;display:grid}.plan-sheet{border:1px solid var(--studio-border);background:var(--studio-surface);border-radius:10px;min-width:0;overflow:hidden}.plan-sheet.current{border-color:var(--studio-line)}.plan-sheet>header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:13px 14px;display:flex}.plan-sheet>header>div{align-items:center;gap:9px;display:flex}.plan-level-code{background:var(--studio-raised);color:var(--studio-text);border-radius:4px;padding:3px 7px;font-size:11px;font-weight:600}.plan-sheet h2{color:var(--studio-text);margin:0;font-size:13px;font-weight:500}.plan-sheet>header>span{color:var(--studio-muted);font-size:10px}.plan-sheet-preview{aspect-ratio:1.5;border-block:1px solid var(--studio-border);cursor:pointer;width:100%;display:block;position:relative}.plan-sheet-preview>svg{width:100%;height:100%;display:block}.plan-sheet-open{border:1px solid var(--studio-border);background:var(--studio-surface);color:var(--studio-text);border-radius:5px;align-items:center;gap:5px;padding:5px 8px;font-size:11px;display:flex;position:absolute;bottom:10px;right:10px}.plan-sheet-preview:hover .plan-sheet-open{background:var(--studio-raised)}.plan-sheet>footer{padding:11px 14px 13px}.plan-sheet>footer>span{color:var(--studio-muted);margin-bottom:7px;font-size:10px;display:block}.plan-sheet>footer>div{flex-wrap:wrap;gap:6px;display:flex}.plan-sheet>footer button{border:1px solid var(--studio-border);max-width:100%;min-height:30px;color:var(--studio-text);text-align:left;overflow-wrap:anywhere;cursor:pointer;border-radius:5px;align-items:center;gap:6px;padding:5px 8px;font-size:11px;display:inline-flex}.plan-sheet>footer button:hover{background:var(--studio-raised)}@media (max-width:700px){.plan-stage .stage-hud{padding:10px 14px}.plan-stage .view-controls{justify-content:flex-start}.plan-navigation{padding:8px 12px}.plan-navigation button{min-height:40px}.plan-canvas{flex:none;height:480px;min-height:0}.floor-plan-overview{padding:14px}.plan-sheet-grid{grid-template-columns:1fr}.plan-canvas .plan-view{padding:16px}.plan-canvas .editor-hint{text-align:left;bottom:8px;left:12px}.plan-sheet>footer button{min-height:40px}.plan-focus-controls select{max-width:min(240px,80vw)}}