:root{--ink:#232521;--muted:#70736d;--line:#d7d6cf;--paper:#f7f6f2;--panel:#efede7;--accent:#d65338;--accent-dark:#b8432c;--blue:#297a87;--white:#fff;--shadow:0 12px 35px rgba(35,37,33,.12)}
*{box-sizing:border-box}html,body{height:100%;margin:0;overflow:hidden}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-size:14px}.topbar{height:64px;display:flex;align-items:center;gap:16px;padding:0 18px;background:#fbfaf7;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;font-weight:760;font-size:16px;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--ink);color:white;font-family:Georgia,serif;font-style:italic}.edition{font-size:10px;letter-spacing:.08em;border:1px solid #bbb9b1;border-radius:5px;padding:2px 4px;color:var(--muted)}.rule{width:1px;height:26px;background:var(--line)}.plan-name{width:230px;border:1px solid transparent;background:transparent;border-radius:6px;font:600 14px inherit;padding:8px}.plan-name:hover,.plan-name:focus{border-color:var(--line);background:white;outline:none}.save-state{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px}.save-state span{width:7px;height:7px;border-radius:50%;background:#5d9f72}.save-state.saving span{background:#d69e38}.top-actions{margin-left:auto;display:flex;gap:7px;align-items:center}button{font:inherit;color:inherit;cursor:pointer}.icon-button,.quiet-button,.primary-button{height:34px;border-radius:7px;border:1px solid var(--line);background:#fff;padding:0 12px;font-weight:600}.icon-button{width:34px;padding:0;font-size:19px}.quiet-button{background:transparent;border-color:transparent}.quiet-button:hover,.icon-button:hover{background:#eeece5}.primary-button{color:white;background:var(--ink);border-color:var(--ink)}.primary-button:hover{background:#3a3d37}.workspace{height:calc(100vh - 64px);display:grid;grid-template-columns:170px minmax(500px,1fr) 260px}.toolbox,.inspector{background:var(--panel);padding:21px 13px;border-right:1px solid var(--line)}.inspector{border-right:0;border-left:1px solid var(--line);padding:22px 18px}.aside-label{margin:0 8px 12px;color:#85877f;font-size:10px;font-weight:750;letter-spacing:.13em}.tool{width:100%;height:43px;border:0;background:transparent;border-radius:8px;display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:6px;text-align:left;padding:0 10px;color:#5b5d58}.tool:hover{background:rgba(255,255,255,.6)}.tool.active{color:var(--ink);background:white;box-shadow:0 1px 3px rgba(0,0,0,.08)}.tool-icon{font-size:20px;width:22px;display:inline-block}.wall-icon{height:4px;background:currentColor;transform:rotate(-35deg);border-radius:2px}.room-icon{height:17px;border:2px solid currentColor}.door-icon{height:18px;border-left:2px solid currentColor;border-top:2px solid currentColor;border-radius:0 100% 0 0}.window-icon{height:6px;border-top:2px solid currentColor;border-bottom:2px solid currentColor}.tool kbd{font:10px inherit;background:#e7e5df;border:1px solid #d5d3cb;border-radius:4px;padding:1px 4px}.toolbox-note{position:absolute;bottom:28px;width:140px;padding:12px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);line-height:1.5}.toolbox-note strong{color:var(--ink)}.stage-wrap{position:relative;min-width:0;background:var(--paper)}#stage{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair;user-select:none}.canvas-meta{position:absolute;z-index:3;top:18px;left:22px;right:22px;display:flex;justify-content:space-between;pointer-events:none;font-size:10px;font-weight:700;letter-spacing:.12em;color:#8b8d86}.statusbar{position:absolute;z-index:3;left:16px;right:16px;bottom:13px;height:32px;background:rgba(250,249,245,.94);backdrop-filter:blur(10px);box-shadow:0 3px 14px rgba(0,0,0,.1);border:1px solid rgba(200,198,190,.8);border-radius:7px;display:flex;align-items:center;gap:24px;padding:0 12px;font-size:10px;color:#666963;text-transform:uppercase;letter-spacing:.06em}.statusbar button{margin-left:auto;border:0;background:none;font-size:10px;text-transform:uppercase;font-weight:700}.status-dot{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-right:6px}.wall{stroke:#2c2f2a;stroke-linecap:square;cursor:pointer}.wall.selected{stroke:var(--accent)}.wall-hit{stroke:transparent;cursor:pointer}.room{fill:#e1ddd1;fill-opacity:.62;stroke:none;cursor:pointer}.room.selected{fill:#f0c2b7}.opening{cursor:pointer}.opening.selected{filter:drop-shadow(0 0 4px rgba(214,83,56,.7))}.dimension{font-size:12px;fill:#545750;font-weight:650;paint-order:stroke;stroke:#f7f6f2;stroke-width:5px;stroke-linejoin:round}.handle{fill:white;stroke:var(--accent);stroke-width:3}.preview{stroke:var(--accent);stroke-width:4;stroke-dasharray:10 7;fill:rgba(214,83,56,.08)}.inspector h2{font-size:18px;margin:2px 0 0}.inspector-heading{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:25px}.inspector-heading .aside-label{margin-left:0;margin-bottom:4px}.id-chip{font:10px ui-monospace,monospace;background:#e1dfd8;border-radius:4px;padding:4px;color:#777a73}.inspector-empty{text-align:center;margin-top:160px;color:var(--muted)}.inspector-empty h2{color:var(--ink);font-size:16px}.inspector-empty p{font-size:12px;line-height:1.55}.empty-icon{margin:auto;display:grid;place-items:center;width:45px;height:45px;border-radius:50%;background:#dfddd6;font-size:22px}.field{display:block;margin:0 0 16px}.field>span{display:block;margin-bottom:7px;color:var(--muted);font-size:11px;font-weight:650}.field input{width:100%;height:36px;padding:0 10px;border:1px solid #cbc9c1;border-radius:6px;background:#faf9f6;outline:none}.field input:focus{border-color:var(--blue);box-shadow:0 0 0 2px rgba(41,122,135,.13)}.unit-input{display:flex}.unit-input input{border-radius:6px 0 0 6px}.unit-input b{width:42px;display:grid;place-items:center;border:1px solid #cbc9c1;border-left:0;border-radius:0 6px 6px 0;font-size:10px;color:var(--muted);background:#e4e2dc}.metric-card{padding:14px;border:1px solid var(--line);background:#f8f7f3;border-radius:7px;display:flex;justify-content:space-between}.metric-card span{color:var(--muted);font-size:11px}.inspector hr{border:0;border-top:1px solid var(--line);margin:24px 0}.entity-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:10px}.entity-stats span{color:#8c8e87}.entity-stats strong{text-align:right}.danger-button{position:absolute;bottom:25px;width:224px;border:1px solid #d6b4ac;background:transparent;color:var(--accent-dark);border-radius:7px;height:36px}.danger-button:hover{background:#f5ded8}.toast{position:fixed;left:50%;bottom:58px;transform:translate(-50%,15px);padding:10px 16px;border-radius:7px;background:var(--ink);color:white;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:900px){.workspace{grid-template-columns:72px 1fr}.toolbox{padding:20px 8px}.toolbox .aside-label,.tool span:not(.tool-icon),.tool kbd,.toolbox-note{display:none}.tool{grid-template-columns:1fr;justify-items:center}.inspector{position:fixed;z-index:5;right:0;top:64px;bottom:0;width:250px;box-shadow:-8px 0 30px rgba(0,0,0,.12);display:none}.inspector.has-selection{display:block}.topbar{gap:8px}.brand>span:not(.brand-mark),.save-state,.topbar>.rule{display:none}.plan-name{width:150px}.quiet-button{display:none}}
.release-badge{position:fixed;z-index:4;right:278px;bottom:52px;padding:4px 7px;border:1px solid rgba(100,101,96,.3);border-radius:5px;background:rgba(250,249,245,.88);color:#777a73;font:9px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.02em;pointer-events:none}.release-badge span{color:#4f514d}
@media(max-width:620px){.workspace{grid-template-columns:58px 1fr}.top-actions .icon-button,.top-actions .rule{display:none}.primary-button{padding:0 9px;font-size:12px}.canvas-meta{display:none}.release-badge{right:10px;bottom:52px}}