:root{--paper:#FAFAF6;--panel:#F3F2ED;--panel-deep:#EBEAE3;--line:#D9D7CE;--ink:#20262E;--ink-soft:#5C6470;--ink-faint:#9AA0A9;--accent:#2C5DA8;--accent-soft:#DCE6F5;--building:#0E8A6B;--building-fill:rgba(14,138,107,.07);--warn:#B4423A;--door:#C24038;--window:#1595AE;--radius:6px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:IBM Plex Sans,system-ui,sans-serif;color:var(--ink);background:var(--panel);font-size:13px;overflow:hidden}.mono{font-family:IBM Plex Mono,ui-monospace,monospace}button{font:inherit}.app-header{height:48px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 14px;gap:12px}.wordmark{font-family:Space Grotesk,sans-serif;font-weight:600;font-size:14px}.wordmark small{font-weight:500;color:var(--ink-faint);font-size:11px;margin-left:6px}.spacer{flex:1}.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:12px;background:var(--paper);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}.chip:hover{border-color:var(--ink-faint)}.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--building)}.chip .dot.unset{background:var(--warn)}.btn{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:6px 12px;font-size:12.5px;cursor:pointer;color:var(--ink)}.btn:hover{border-color:var(--ink-faint)}.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.btn.primary:hover{background:#000}.btn.small{padding:3px 9px;font-size:11.5px;border-radius:4px}.shell{display:flex;height:calc(100vh - 48px)}.rail{width:64px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:10px 0;gap:4px;flex-shrink:0}.tool{width:48px;height:46px;border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer;color:var(--ink-soft);border:1px solid transparent;background:none}.tool svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.tool span{font-size:9.5px;letter-spacing:.02em}.tool:hover{background:var(--panel)}.tool.active{background:var(--accent-soft);color:var(--accent);border-color:#b9ccea}.tool:disabled{opacity:.35;cursor:not-allowed}.rail .divider{width:32px;height:1px;background:var(--line);margin:6px 0}.tree{width:300px;background:var(--paper);border-right:1px solid var(--line);display:flex;flex-direction:column;flex-shrink:0}.tree-scroll{flex:1;overflow-y:auto;padding:10px 0}.tree h4{font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);padding:8px 14px 6px;font-weight:600;display:flex;align-items:center}.tree h4 .add{margin-left:auto;color:var(--accent);font-size:11px;cursor:pointer;letter-spacing:0;text-transform:none;font-weight:500;background:none;border:none}.row{display:flex;align-items:center;gap:8px;padding:6px 14px;cursor:pointer;position:relative;background:none;border:none;width:100%;text-align:left;font:inherit;color:inherit}.row:hover{background:var(--panel)}.row.selected{background:var(--accent-soft)}.row.selected:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}.row .caret{width:12px;color:var(--ink-faint);font-size:10px;flex-shrink:0;text-align:center;display:inline-block;transition:transform .12s}.row .caret.closed{transform:rotate(-90deg)}.tag{font-family:IBM Plex Mono,monospace;font-size:10.5px;font-weight:500;border:1.2px solid var(--building);color:var(--building);padding:1px 6px;border-radius:3px;letter-spacing:.03em;flex-shrink:0}.row .name{font-weight:500;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row .meta{font-family:IBM Plex Mono,monospace;font-size:10.5px;color:var(--ink-faint);flex-shrink:0}.room-row{padding-left:34px}.room-row .swatch{width:9px;height:9px;border-radius:2px;flex-shrink:0}.room-row .name{font-weight:400}.room-row .warnmark{color:var(--warn);font-size:11px}.inspector{border-top:1px solid var(--line);background:#fff;padding:12px 14px;max-height:46%;overflow-y:auto}.inspector .head{display:flex;align-items:center;gap:8px;margin-bottom:10px}.inspector .head .swatch{width:10px;height:10px;border-radius:2px}.inspector .head b{font-size:13px}.field{display:flex;align-items:center;gap:8px;margin-bottom:8px}.field label{width:64px;font-size:11.5px;color:var(--ink-soft);flex-shrink:0}.field input,.field select{flex:1;border:1px solid var(--line);border-radius:4px;padding:5px 8px;font:inherit;font-size:12.5px;background:var(--paper);min-width:0}.field input.short{max-width:76px;flex:none}.field .ro{flex:1;font-family:IBM Plex Mono,monospace;font-size:11.5px;color:var(--ink-soft)}.oplist h5{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);margin:10px 0 6px}.op-row{display:flex;align-items:center;gap:8px;padding:5px 8px;border:1px solid var(--line);border-radius:4px;margin-bottom:5px;background:var(--paper);cursor:pointer;width:100%;font:inherit;text-align:left}.op-row:hover{border-color:var(--ink-faint)}.op-row.selected{border-color:var(--accent);background:var(--accent-soft)}.op-row .bar{width:16px;height:4px;border-radius:2px;flex-shrink:0}.op-row .dims{font-family:IBM Plex Mono,monospace;font-size:11px;color:var(--ink-soft);margin-left:auto}.danger{color:var(--warn)}.inspector .actions{display:flex;gap:8px;margin-top:10px}.notice{font-size:11.5px;color:var(--warn);margin:6px 0}.stage-col{flex:1;display:flex;flex-direction:column;min-width:0}.stage{flex:1;position:relative;overflow:hidden;background:var(--paper)}.stage canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.statusline{position:absolute;top:12px;left:50%;transform:translate(-50%);background:#ffffffed;border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:12px;color:var(--ink-soft);pointer-events:none;white-space:nowrap;z-index:5}.statusline b{color:var(--accent);font-weight:500}.toast{position:absolute;bottom:14px;left:50%;transform:translate(-50%);background:#332f2b;color:#f5f2ec;border-radius:6px;padding:7px 14px;font-size:12px;z-index:6}.northbox{position:absolute;right:18px;bottom:18px;display:flex;flex-direction:column;align-items:center;gap:2px;z-index:4;pointer-events:none}.dropzone{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--ink-faint);font-size:14px;flex-direction:column;gap:10px}.drawer{border-top:1px solid var(--line);background:#fff;flex-shrink:0;display:flex;flex-direction:column;transition:height .18s ease;height:232px;overflow:hidden}.drawer.closed{height:37px}.drawer-head{height:36px;display:flex;align-items:center;gap:10px;padding:0 14px;border-bottom:1px solid var(--panel-deep);flex-shrink:0}.drawer-head .title{font-weight:500;font-size:12.5px}.hchip{font-family:IBM Plex Mono,monospace;font-size:11px;color:var(--ink-soft);border:1px solid var(--line);border-radius:999px;padding:2px 8px;background:var(--paper)}.drawer-head .collapse{margin-left:auto;cursor:pointer;color:var(--ink-soft);font-size:14px;padding:2px 8px;-webkit-user-select:none;user-select:none;border-radius:4px;background:none;border:none}.drawer-head .collapse:hover{background:var(--panel)}.drawer-body{flex:1;overflow-x:auto;overflow-y:hidden;padding:6px 14px;display:flex;gap:18px;align-items:flex-start}.wallblock{flex-shrink:0;cursor:pointer}.wallblock .wlabel{font-family:IBM Plex Mono,monospace;font-size:10.5px;color:var(--ink-soft);margin-top:2px;text-align:center}.wallblock.hl .wlabel{color:var(--accent);font-weight:500}.browser{flex:1;overflow-y:auto;background:var(--paper)}.browser-inner{max-width:1040px;margin:0 auto;padding:16px 22px 60px}.browser-toolbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 22px;background:#fff;border-bottom:1px solid var(--panel-deep);position:sticky;top:0;z-index:10}.browser-toolbar label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-soft)}.browser-toolbar input[type=range]{width:110px;accent-color:var(--accent)}.browser-toolbar select{border:1px solid var(--line);border-radius:4px;padding:5px 8px;font:inherit;font-size:12px;background:var(--paper)}.browser-toolbar .val{font-family:IBM Plex Mono,monospace;font-size:11px;min-width:44px}.bhead{display:flex;align-items:center;gap:10px;margin:26px 0 4px;padding-bottom:8px;border-bottom:2px solid var(--ink)}.bhead .bname{font-family:Space Grotesk,sans-serif;font-weight:600;font-size:15px}.bhead .meta{font-family:IBM Plex Mono,monospace;font-size:11px;color:var(--ink-faint);margin-left:auto}.roomcard{border:1px solid var(--line);border-radius:8px;background:#fff;margin:14px 0;overflow:hidden}.rc-head{display:flex;align-items:center;gap:10px;padding:9px 14px;border-bottom:1px solid var(--panel-deep)}.rc-head .swatch{width:10px;height:10px;border-radius:2px}.rc-head b{font-size:13px}.rc-head .dims{font-family:IBM Plex Mono,monospace;font-size:11px;color:var(--ink-soft)}.rc-head .mini{margin-left:auto}.rc-body{padding:10px 14px 6px;overflow-x:auto;display:flex;gap:18px;align-items:flex-start}.flatline{font-family:IBM Plex Mono,monospace;font-size:10.5px;color:var(--ink-soft);padding:0 14px 10px}.dialog-scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:#20262e47;display:flex;align-items:center;justify-content:center;z-index:20}.dialog{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 32px #1e232d2e;padding:16px 18px;width:280px}.dialog h5{font-size:13px;margin-bottom:6px}