:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f6f6f4;--panel:#fff;--border:#d9d9d4;--text:#1d1d1b;--muted:#6b6b66;--accent:#2f6fde;--wall:#3a3a38;--room:#fbfaf6;--room-selected:#e5eefc;--grid-fine:#ecebe6;--grid-major:#dcdbd4;--danger:#c43c2c;font-family:system-ui,-apple-system,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#1b1c1e;--panel:#242528;--border:#3a3b3f;--text:#ececea;--muted:#9a9a96;--accent:#6b9cf0;--wall:#d6d6d2;--room:#2a2b2e;--room-selected:#2c3b55;--grid-fine:#26272a;--grid-major:#303135}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}button{font:inherit;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;border-radius:6px;padding:6px 10px}button[aria-pressed=true]{border-color:var(--accent);color:var(--accent);font-weight:600}button:disabled{opacity:.4;cursor:default}button.danger{color:var(--danger)}.app{flex-direction:column;height:100vh;display:flex}.topbar{border-bottom:1px solid var(--border);background:var(--panel);align-items:center;gap:8px;padding:8px 12px;display:flex;position:relative}.topbar h1{margin:0 12px 0 0;font-size:16px}.save-state{color:var(--muted);font-size:13px}.spacer{flex:1}.banner{color:#7a1f12;background:#fde8e4;padding:8px 12px}.workspace{flex:1;min-height:0;display:flex}.toolbar{border-right:1px solid var(--border);background:var(--panel);flex-direction:column;gap:6px;width:160px;padding:10px;display:flex;overflow-y:auto}.toolbar-group{flex-direction:column;gap:4px;display:flex}.toolbar-group button{text-align:left;padding:4px 8px;font-size:13px}.toolbar-sublabel{color:var(--muted);font-size:11px}.toolbar .zoom{gap:4px;margin-top:auto;display:flex}.properties{border-left:1px solid var(--border);background:var(--panel);width:260px;padding:12px;overflow-y:auto}.properties h2{margin:0 0 12px;font-size:15px}.hint{color:var(--muted);font-size:13px}kbd{border:1px solid var(--border);border-radius:4px;padding:0 4px;font-size:12px}.field{flex-direction:column;gap:4px;margin-bottom:10px;font-size:13px;display:flex}.field input{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:6px;padding:6px 8px}.field input[aria-invalid=true]{border-color:var(--danger)}.field-error{color:var(--danger)}.loading{color:var(--muted);flex:1;place-items:center;display:grid}.notice{background:var(--text);color:var(--bg);border-radius:8px;padding:8px 14px;font-size:14px;position:fixed;bottom:16px;left:50%;transform:translate(-50%)}.plan-canvas{touch-action:none;-webkit-user-select:none;user-select:none;cursor:default;flex:1;min-width:0;display:block}.plan-canvas.tool-wall,.plan-canvas.tool-door,.plan-canvas.tool-window,.plan-canvas.tool-furniture{cursor:crosshair}.grid-fine{fill:none;stroke:var(--grid-fine);stroke-width:1px}.grid-major{fill:none;stroke:var(--grid-major);stroke-width:1px}.room{fill:var(--room)}.room.selected{fill:var(--room-selected)}.wall{fill:var(--wall)}.tool-select .wall{cursor:move}.wall.selected{fill:var(--accent)}.opening polygon{fill:var(--room);stroke:var(--wall);stroke-width:1px;vector-effect:non-scaling-stroke}.opening line,.opening path{stroke:var(--wall);stroke-width:1px;vector-effect:non-scaling-stroke}.opening.window polygon{fill:#cfe3f7}.opening.invalid polygon{fill:#f7d4cf;stroke:var(--danger);stroke-width:2px}.opening.selected polygon{stroke:var(--accent);stroke-width:2px}.tool-select .opening{cursor:ew-resize}.fixture{--fixture:#b07d00}.fixture.electric{--fixture:#6a4fc4}.fixture.heating{--fixture:#c4532c}.fixture circle,.fixture polygon{fill:var(--panel);stroke:var(--fixture);stroke-width:1.5px;vector-effect:non-scaling-stroke}.fixture line{stroke:var(--fixture);stroke-width:1.5px;vector-effect:non-scaling-stroke}.fixture.light circle{fill:#fff4cc}.fixture circle.filled{fill:var(--fixture)}.fixture circle.fixture-hit{fill:#0000;stroke:none}.fixture.selected circle:not(.fixture-hit),.fixture.selected polygon,.fixture.selected line{stroke:var(--accent);stroke-width:2.5px}.fixture.invalid circle:not(.fixture-hit),.fixture.invalid polygon{fill:#f7d4cf;stroke:var(--danger);stroke-width:2px}.fixture.invalid line{stroke:var(--danger)}.tool-select .fixture{cursor:move}.furniture{--furniture:#57544e}.furniture .outline{fill:var(--panel);fill-opacity:.92;stroke:var(--furniture);stroke-width:1.5px;vector-effect:non-scaling-stroke}.furniture .detail{fill:none;stroke:var(--furniture);stroke-width:1px;vector-effect:non-scaling-stroke}.furniture .filled{fill:var(--furniture);fill-opacity:.55;stroke:var(--furniture);stroke-width:1px;vector-effect:non-scaling-stroke}.furniture .dashed{stroke-dasharray:5 3}.furniture .faint{stroke-opacity:.45}.furniture .strong{stroke-width:2.5px}.furniture .screen{stroke-width:3px}.furniture-label{fill:var(--furniture);pointer-events:none}.furniture.colliding{--furniture:var(--danger)}.furniture.colliding .outline{fill:#f7d4cf}.furniture.selected{--furniture:var(--accent)}.furniture.selected .outline{stroke-width:2.5px}.tool-select .furniture{cursor:move}.rotate-handle line{stroke:var(--accent);stroke-width:1px;vector-effect:non-scaling-stroke}.rotate-handle circle{fill:var(--panel);stroke:var(--accent);stroke-width:2px;vector-effect:non-scaling-stroke;cursor:grab}.furniture-panel{flex-direction:column;gap:6px;display:flex}.furniture-panel input{font:inherit;border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:6px;padding:5px 8px;font-size:13px}.toolbar-group .furniture-category{color:var(--muted);font-size:12px;font-weight:600}.toolbar-group .furniture-category[aria-expanded=true]{color:var(--text)}.swatches{flex-wrap:wrap;gap:6px;display:flex}.swatch{border:1px solid var(--border);border-radius:50%;width:26px;height:26px;padding:0}.swatch[aria-pressed=true]{outline:2px solid var(--accent);outline-offset:2px}.segmented{display:flex}.segmented button{border-radius:0;flex:1;padding:4px 6px;font-size:13px}.segmented button:first-child{border-radius:6px 0 0 6px}.segmented button:last-child{border-radius:0 6px 6px 0}.segmented button+button{margin-left:-1px}.corner-handle{fill:var(--panel);stroke:var(--accent);stroke-width:1.5px;vector-effect:non-scaling-stroke;cursor:grab;opacity:.6}.corner-handle:hover{opacity:1}.dimension{fill:var(--muted)}.room-label{fill:var(--text)}.dimension,.room-label{paint-order:stroke;stroke:var(--room);stroke-width:3px;stroke-linejoin:round;vector-effect:non-scaling-stroke}.wall-preview{stroke:var(--accent);stroke-opacity:.5}.preview-label{fill:var(--accent);font-weight:600}.snap-indicator{fill:none;stroke:var(--muted);stroke-width:1.5px;vector-effect:non-scaling-stroke}.snap-corner,.snap-wall{stroke:var(--accent)}.view-switch{margin-right:8px;display:flex}.view-switch button{border-radius:0}.view-switch button:first-child{border-radius:6px 0 0 6px}.view-switch button:last-child{border-radius:0 6px 6px 0;margin-left:-1px}.toolbar-label{color:var(--muted);font-size:12px}.toolbar-bottom{margin-top:auto}.viewer3d{touch-action:none;flex:1;min-width:0;position:relative}.viewer3d canvas{display:block}.viewer3d-empty{text-align:center;color:var(--muted);place-content:center;gap:8px;display:grid;position:absolute;inset:0}.walk-hint{color:#fff;text-align:center;pointer-events:none;background:#0009;border-radius:8px;max-width:calc(100% - 32px);padding:8px 14px;font-size:13px;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.touch-walk{touch-action:none;position:absolute;inset:0}.touch-stick{pointer-events:none;background:#0003;border:2px solid #fff9;border-radius:50%;place-items:center;width:110px;height:110px;display:grid;position:absolute;bottom:32px;left:32px}.touch-knob{background:#ffffffbf;border-radius:50%;width:46px;height:46px}.finish-current{color:var(--muted);margin:0}.finish-tabs{flex-wrap:wrap;gap:4px;display:flex}.finish-tabs button{padding:4px 8px;font-size:13px}.finish-grid{grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:6px;display:grid}.finish-swatch{text-align:center;flex-direction:column;align-items:stretch;gap:4px;padding:4px;font-size:11px;line-height:1.2;display:flex}.finish-swatch[aria-pressed=true]{outline:2px solid var(--accent);outline-offset:1px}.finish-preview{aspect-ratio:1;border:1px solid var(--border);background-size:cover;border-radius:4px;display:block}.share-dialog{z-index:20;border:1px solid var(--border);background:var(--panel);border-radius:8px;flex-direction:column;gap:10px;width:min(380px,100vw - 24px);padding:14px;display:flex;position:absolute;top:calc(100% + 6px);right:12px;box-shadow:0 8px 24px #00000026}.share-head{justify-content:space-between;align-items:center;display:flex}.share-head h2{margin:0;font-size:15px}.share-dialog .hint{margin:0}.share-link{gap:6px;display:flex}.share-link input{flex:1;min-width:0}.share-confirm{flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;display:flex}.share-error{color:var(--danger);margin:0;font-size:13px}.shared-name{font-weight:600}.readonly-badge{border:1px solid var(--border);color:var(--muted);border-radius:10px;padding:2px 8px;font-size:12px}