:root{font-family:Arial,sans-serif;color:#183a38;background:#f5f7f6;font-synthesis:none;--green:#163e38;--line:#d5dfda;--muted:#657b73;--orange:#c56c2d}*{box-sizing:border-box}body{margin:0;height:100vh;height:100dvh;display:grid;grid-template-rows:78px minmax(0,1fr) 38px;overflow:hidden}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);color:var(--green);background:#fff;border-radius:6px;min-height:40px;padding:8px 12px;font-size:14px}button:hover:not(:disabled){background:#eef4f0;border-color:#9db5a8}button:disabled{opacity:.38;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #ce7938;outline-offset:3px}button.active,.primary{background:var(--green)!important;border-color:var(--green);color:#fff!important}[hidden]{display:none!important}a{color:inherit}.builder-header{display:flex;justify-content:space-between;align-items:center;padding:12px 25px;border-bottom:1px solid var(--line);background:#fff;gap:20px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none}.mark{padding:12px 10px;background:var(--green);border-radius:5px;color:#fff;font-size:16px}.brand b{display:block;font-size:22px;letter-spacing:-.6px}.brand small{display:block;font-size:11px;letter-spacing:2px;margin-top:3px}.house-switch{display:flex;gap:5px;background:#eaf0ec;border-radius:7px;padding:4px}.house-switch a{padding:9px 16px;text-decoration:none;border-radius:5px;font-size:14px;font-weight:700}.house-switch a:hover{background:#f6f9f7}.house-switch a.selected{background:var(--green);color:#fff}.builder-workspace{display:grid;grid-template-columns:285px minmax(0,1fr);min-height:0}.tool-panel{padding:23px 20px;overflow-y:auto;overscroll-behavior:contain;background:#fff;border-right:1px solid var(--line)}.eyebrow{font-size:12px;letter-spacing:1.4px;color:var(--muted)}h1{font-size:27px;line-height:1.15;letter-spacing:-1px;margin:10px 0}p{line-height:1.5}.panel-title p{font-size:14px;color:var(--muted);margin:0 0 22px}.palette{display:grid;gap:9px}.piece-card{display:flex;align-items:center;gap:10px;text-align:left;padding:12px 9px;min-height:82px}.piece-card svg{width:61px;height:44px;flex-shrink:0;fill:none;stroke:var(--green);stroke-width:5;stroke-linecap:butt;stroke-linejoin:round}.piece-card svg .web{stroke-width:1.8;stroke:#7a9889}.piece-card span{flex:1}.piece-card b{font-size:14px;display:block}.piece-card small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:5px;line-height:1.25}.piece-card i{font-size:22px;font-style:normal;color:var(--orange)}.fixed-spec{padding:12px 0 17px;display:grid;gap:6px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.fixed-spec span{display:flex;justify-content:space-between}.fixed-spec b{font-weight:500;color:#314c42}.inspector{padding:18px 0;border-bottom:1px solid var(--line)}.selection-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.selection-heading h2{font-size:16px;letter-spacing:-.3px;margin:0}.selection-heading>span{font-size:12px;border-radius:4px;background:#eaf0ec;padding:4px 6px}.field{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:14px}.input-unit{display:flex;align-items:center;border:1px solid #b5c7bb;border-radius:5px;overflow:hidden;background:#fff}.input-unit input{width:85px;min-height:39px;border:0;padding:9px 10px;color:#183a38;font-size:16px;background:transparent}.input-unit>span{padding:0 10px 0 2px;color:var(--muted);font-size:14px}.input-unit:has(input:disabled){background:#f2f5f3}.field-note{font-size:12px;color:var(--muted);margin:9px 0 14px;min-height:34px}.rotation-controls,.selection-actions{display:flex;gap:7px;margin-top:8px}.rotation-controls button,.selection-actions button{flex:1;padding:8px 5px;white-space:nowrap}.selection-actions button{background:#f6f8f6}.selection-help{font-size:12px;color:var(--muted);margin:12px 0 0}.panel-bottom{padding-top:17px}.snap-control{display:flex;align-items:center;gap:9px;font-size:14px;cursor:pointer}.snap-control input{width:18px;height:18px;accent-color:var(--green);margin:0}.panel-bottom p{font-size:12px;color:var(--muted);margin:10px 0}.clear-button{border:0;background:transparent;color:#865849;text-decoration:underline;padding:5px 0;min-height:34px;font-size:13px}.canvas-panel{min-width:0;min-height:0;display:flex;flex-direction:column}.canvas-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;border-bottom:1px solid var(--line);background:#fff}.view-switch,.history-actions{display:flex;gap:6px}.history-actions button{border:0;background:#f2f6f3}.history-actions button span{margin-left:3px}.drawing{position:relative;flex:1;min-height:0;overflow:hidden;background:#f0f4f1}#plan,#three-view{width:100%;height:100%;display:block;touch-action:none;outline:none}#plan{cursor:grab}#plan.dragging{cursor:grabbing}#three-view canvas{display:block;width:100%;height:100%;touch-action:none;outline:none}.wall-piece{cursor:move}.wall-piece:focus{outline:none}.wall-piece .skin{fill:none;stroke:#fdfefd;stroke-linecap:butt;stroke-linejoin:round}.wall-piece .web{fill:none;stroke:#81978d;stroke-linejoin:round}.wall-piece .footprint{fill:none;stroke:#b1c1b8;stroke-linecap:butt;stroke-linejoin:round}.wall-piece.selected .skin{stroke:#fff6eb}.wall-piece.selected .web{stroke:#a46433}.wall-piece.selected .footprint{stroke:#bf7138}.wall-piece:focus-visible .footprint{stroke:#c17135}.endpoint{stroke:#eff4ef;stroke-width:.023}.endpoint.open{fill:#d19866}.endpoint.closed{fill:#39755b}.empty-state{position:absolute;top:46%;left:50%;transform:translate(-50%,-50%);text-align:center;width:min(86%,380px);pointer-events:none;color:var(--muted)}.empty-state h2{font-size:21px;letter-spacing:-.6px;color:#365548;margin:15px 0 8px}.empty-state p{font-size:14px;margin:0}.empty-cross{font-size:34px;color:#9bb2a5;font-weight:300}.canvas-note{position:absolute;left:20px;top:18px;display:flex;gap:10px;align-items:center;pointer-events:none;font-size:12px;color:#738a7d}.canvas-note span:first-child{letter-spacing:1.5px;font-size:11px;font-weight:700}.canvas-note span+span{border-left:1px solid #b6c6bc;padding-left:10px}.zoom-controls{position:absolute;bottom:18px;right:20px;display:flex;gap:4px;box-shadow:0 4px 15px #163e3812}.zoom-controls button{min-width:41px;background:#fffffff2}.zoom-controls button:first-child,.zoom-controls button:last-child{font-size:20px}.canvas-help{padding:10px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px;background:#f9fbf9;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.grid-legend{white-space:nowrap}.status-bar{background:#fff;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 20px;font-size:12px;color:var(--muted);gap:15px}.status-bar>div{display:flex;align-items:center;gap:20px}.status-bar b{font-weight:700;color:#355747}#connections.complete{color:#307252}#toast{position:fixed;bottom:55px;left:50%;transform:translateX(-50%);padding:12px 18px;border-radius:7px;background:#163e38;color:#fff;font-size:14px;max-width:90vw;z-index:20;box-shadow:0 5px 25px #12312330}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}dialog{padding:26px;border:0;border-radius:10px;color:#183a38;max-width:calc(100vw - 32px);box-shadow:0 20px 90px #163e3838}dialog::backdrop{background:#183a3888}dialog h2{margin:0;font-size:22px}dialog p{font-size:16px;color:var(--muted);margin:12px 0 22px}dialog>div{display:flex;gap:10px;justify-content:flex-end}
@media(max-width:1050px){.builder-workspace{grid-template-columns:260px minmax(0,1fr)}.tool-panel{padding:18px 15px}.canvas-toolbar{padding:10px 14px}.canvas-help .grid-legend{display:none}.house-switch a{padding:9px 12px}.piece-card{gap:7px}.piece-card svg{width:52px}}
@media(max-width:760px){body{grid-template-rows:68px minmax(0,1fr) 32px}.builder-header{padding:10px 12px;gap:8px}.brand{gap:7px}.brand b{font-size:17px}.brand small{font-size:9px;letter-spacing:1.1px}.mark{font-size:12px;padding:11px 7px}.house-switch{gap:2px;padding:3px}.house-switch a{font-size:12px;padding:8px 7px;min-height:35px;display:grid;align-items:center}.house-switch a span{display:none}.builder-workspace{display:flex;flex-direction:column}.canvas-panel{flex:1;min-height:215px;order:0}.tool-panel{order:1;border-right:0;border-top:1px solid #b9cdbf;flex-shrink:0;max-height:43vh;max-height:43dvh;padding:12px 14px;display:grid;grid-template-columns:1fr 1fr;gap:0 15px}.panel-title{grid-column:1/-1;display:flex;gap:10px;align-items:center}.panel-title h1{font-size:20px;margin:2px 0 12px}.panel-title .eyebrow{margin-bottom:10px;font-size:11px}.panel-title p{display:none}.palette{grid-column:1/-1;grid-template-columns:1fr 1fr;gap:9px}.piece-card{min-height:65px;padding:8px;gap:6px}.piece-card svg{width:43px;height:34px}.piece-card b{font-size:13px}.piece-card small{font-size:11px;margin-top:3px}.piece-card i{display:none}.fixed-spec{grid-column:1/-1;display:flex;gap:15px;flex-wrap:wrap;padding:10px 0;font-size:11px}.fixed-spec span{gap:6px}.inspector{grid-column:1/-1;padding:12px 0;display:grid;grid-template-columns:1fr 1fr;gap:7px 15px}.selection-heading{grid-column:1/-1;margin:0 0 3px}.selection-heading h2{font-size:14px}.field-note{margin:0;grid-column:1;grid-row:3;font-size:11px;min-height:0}.field{grid-column:1;grid-row:2;gap:6px}.input-unit input{width:68px;min-height:36px;padding:6px}.rotation-controls{grid-column:2;grid-row:2;margin:0;gap:5px}.rotation-controls button{font-size:12px;padding:6px 4px;min-height:38px}.selection-actions{grid-column:2;grid-row:3;margin:0;gap:5px}.selection-actions button{font-size:12px;min-height:32px;padding:4px}.selection-help{display:none}.panel-bottom{grid-column:1/-1;display:flex;gap:15px;align-items:center;justify-content:space-between;padding-top:8px}.panel-bottom p{display:none}.snap-control{font-size:12px;gap:7px}.clear-button{font-size:12px}.canvas-toolbar{padding:8px 12px;gap:8px}.canvas-toolbar button{min-height:35px;font-size:13px;padding:6px 9px}.history-actions{gap:3px}.history-actions button{font-size:20px;padding:3px 9px;min-width:35px}.history-actions span{display:none}.canvas-note{left:12px;top:12px}.canvas-help{display:none}.zoom-controls{bottom:12px;right:12px}.zoom-controls button{min-height:35px;min-width:35px;font-size:12px;padding:5px 8px}.empty-state h2{font-size:18px;margin-top:7px}.empty-state p{font-size:12px}.empty-cross{font-size:26px}.status-bar{padding:0 12px;font-size:11px}.status-bar>div{gap:12px}#save-status{display:none}}
@media(max-height:640px) and (min-width:761px){.tool-panel{padding-top:14px}.panel-title p{margin-bottom:12px}.piece-card{min-height:66px}.fixed-spec{padding-bottom:10px}.inspector{padding:12px 0}.panel-bottom{padding-top:12px}}
@media(max-width:760px){.piece-card b{font-size:14px}.piece-card small,.field-note,.fixed-spec,.status-bar{font-size:12px}.house-switch a{font-size:14px}.brand small{font-size:10px}.brand b{font-size:16px}.brand .mark{font-size:12px;padding:10px 6px}}
@media(max-width:390px){.brand .mark{display:none}.builder-header{gap:6px}.house-switch a{padding-inline:7px}.fixed-spec{gap:8px}.fixed-spec span{gap:4px}.piece-card svg{width:35px}.rotation-controls button{font-size:12px}.status-bar>div{gap:9px}}
@media(max-width:760px) and (orientation:landscape){body{grid-template-rows:60px minmax(0,1fr) 32px}.builder-workspace{display:grid;grid-template-columns:230px minmax(0,1fr)}.tool-panel{order:0;display:block;max-height:none;border-top:0;border-right:1px solid var(--line);padding:12px}.canvas-panel{order:1;min-height:0}.panel-title{display:block}.palette{grid-template-columns:1fr}.fixed-spec{display:grid;gap:5px}.fixed-spec span{justify-content:space-between}.inspector{display:block}.selection-heading{margin-bottom:10px}.field-note{margin:8px 0}.rotation-controls,.selection-actions{margin-top:8px}.panel-bottom{display:block}.clear-button{margin-top:8px}.canvas-note{display:none}}
#corner-legs{display:grid;gap:10px}.opening-panel,.height-panel{padding:17px 0;border-bottom:1px solid var(--line)}.opening-panel h2,.height-panel h2{font-size:16px;margin:0 0 12px}.opening-buttons{display:flex;gap:7px}.opening-buttons button{flex:1}.opening-panel .field-note{min-height:0;margin-bottom:8px}.opening-row{border:1px solid var(--line);border-radius:6px;padding:10px;margin-top:9px;background:#f7faf7}.opening-row>div{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:13px}.opening-row button{min-height:28px;padding:2px 7px;font-size:12px}.opening-row label{display:block;color:var(--muted);font-size:12px;margin-top:8px}.opening-row input[type=range],#wall-height{width:100%;accent-color:var(--green);min-height:32px;margin:4px 0}.height-panel .selection-heading{margin:0}.height-panel h2{margin:0}.height-panel b{font-size:14px;color:var(--orange)}.height-panel .field-note{min-height:0;margin:8px 0 0}.height-panel .snap-control{font-size:13px}.optimize-button{width:100%;background:var(--green);color:white;margin-top:16px;border-color:var(--green);font-weight:700}.optimize-button:hover:not(:disabled){background:#23594b;color:#fff}.optimize-note{font-size:12px;color:var(--muted);line-height:1.5;margin:8px 0 0}.opening-plan{pointer-events:none}
@media(max-width:760px) and (orientation:portrait){#corner-legs{grid-column:1/-1;grid-row:2;grid-template-columns:1fr 1fr;gap:10px}#corner-legs .field{grid-column:auto;grid-row:auto;font-size:12px;display:block}#corner-legs .input-unit{margin-top:5px;width:100%}.inspector:has(#corner-legs:not([hidden])) .rotation-controls{grid-row:4;grid-column:1}.inspector:has(#corner-legs:not([hidden])) .selection-actions{grid-row:4;grid-column:2}.inspector:has(#corner-legs:not([hidden])) .field-note{grid-column:1/-1;grid-row:3}.opening-panel,.height-panel{grid-column:1/-1;padding:13px 0}.opening-panel h2,.height-panel h2{font-size:14px}.opening-buttons button{font-size:14px}.opening-panel .field-note br{display:none}#opening-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}.opening-row{min-width:0}.opening-row>div{font-size:12px}.height-panel .selection-heading{margin-bottom:3px}.optimize-button,.optimize-note{grid-column:1/-1}.tool-panel{max-height:44dvh}.panel-bottom{padding-top:12px}}
.drawing.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1px;background:#c9d7cf}.drawing.split #plan,.drawing.split #three-view{min-width:0;min-height:0;background:#f0f4f1}.drawing.split #three-view{display:block}.view-switch #fullscreen-3d{border-color:#d5b18e;color:#8b562e;background:#fffaf4}.drawing:fullscreen{background:#edf3ef}.drawing:fullscreen #three-view{height:100%;width:100%;display:block!important}.drawing:fullscreen #plan,.drawing:fullscreen .canvas-note,.drawing:fullscreen .zoom-controls,.drawing:fullscreen .empty-state{display:none}.drawing:fullscreen .canvas-help{position:absolute;left:0;right:0;bottom:0;z-index:2;background:#ffffffdd}
.canvas-toolbar{flex-wrap:wrap}.view-switch{flex-wrap:wrap}#build-ar{background:#163e38;color:white;white-space:nowrap}#ar-dialog{max-width:min(440px,calc(100vw - 32px));border:1px solid #c7d6ce;border-radius:14px;padding:24px;color:#183a38}#ar-dialog p{font-size:16px;line-height:1.5}#ar-dialog::backdrop{background:#10271b88}#ar-quicklook{display:inline-flex;align-items:center;background:#163e38;color:white;border-radius:6px;padding:12px;text-decoration:none;margin:8px}#ar-quicklook img{width:1px;height:1px;opacity:0}#builder-ar-overlay{position:fixed;inset:0;z-index:1000;background:transparent}#ar-canvas{position:absolute;inset:0}#ar-canvas canvas{width:100%;height:100%}.ar-controls{position:absolute;left:12px;right:12px;bottom:max(20px,env(safe-area-inset-bottom));background:#ffffffed;border-radius:12px;padding:14px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}.ar-controls p{flex-basis:100%;margin:0 0 4px;font-size:16px}.ar-controls label{font-size:14px}.ar-controls select{font:inherit;padding:10px;border:1px solid #a3b8ac;border-radius:6px}.builder-ar-active> :not(#builder-ar-overlay){visibility:hidden}.builder-ar-active{background:transparent}#ar-place{background:#163e38;color:white}@media(max-width:760px){.canvas-toolbar{gap:6px}.view-switch{gap:4px}.house-switch a{padding-inline:9px}.builder-header{padding-inline:12px;gap:8px}}

.resize-handle{cursor:ew-resize}.resize-handle:hover .endpoint{fill:#c56c2d;stroke:#fff;stroke-width:.035}.endpoint{vector-effect:non-scaling-stroke;stroke-width:2}.wall-piece.multi-selected .footprint{stroke:#2d8f70}.wall-piece.multi-selected .skin{stroke:#f3fff9}.selection-tools{display:flex;gap:6px}.selection-tools button{min-height:30px;padding:5px 8px;font-size:12px}.selection-tools button:first-child{background:#e7f2ed}.panel-bottom>p{flex:1}

.wall-piece .skin,.wall-piece .web,.wall-piece .footprint{stroke-linecap:square}
@media(max-width:760px){.drawing.split{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) minmax(0,1fr)}}
@media(max-width:760px){.drawing.mobile-vr #plan{display:none!important}.drawing.mobile-vr #three-view{display:block!important;width:100%;height:100%}.drawing.mobile-vr{display:block}}
@media(min-width:761px){#build-ar{display:none!important}}
.opening-plan.selected-opening path{stroke:#c56c2d!important;stroke-width:.08}
.opening-buttons{flex-wrap:wrap}#add-interior-door{flex-basis:100%}
.stair-plan{cursor:move}.stair-plan rect{fill:#f1d4a7;stroke:#a56e39;stroke-width:.045}.stair-plan path{stroke:#a56e39;stroke-width:.025}.stair-plan text{fill:#80532e;font-size:.16px;font-weight:700;letter-spacing:.02px;pointer-events:none}.stair-plan.selected rect{fill:#ffe7c4;stroke:#c56c2d;stroke-width:.08}.stair-plan:focus-visible rect{stroke:#c56c2d;stroke-width:.08}.stair-opening rect{fill:#f7fbf8;fill-opacity:.8;stroke:#4f806b;stroke-width:.045;stroke-dasharray:.12 .08}.stair-opening text{fill:#416f5c;font-size:.14px;font-weight:700;letter-spacing:.015px}
#add-floor{border-color:#c56c2d;color:#8b562e;background:#fff8f1;font-weight:700}.floor-strip{display:flex;align-items:center;flex-wrap:wrap;gap:8px 10px;min-height:48px;padding:7px 14px;border-bottom:1px solid var(--line);background:#f8faf8}.floor-strip>b,.floor-strip label{flex:none;font-size:12px;color:#61766d}.floor-strip select{min-width:150px;max-width:260px;height:34px;padding:5px 30px 5px 10px;border:1px solid #9eb0a7;border-radius:7px;background:#fff;color:#163e38;font:inherit;font-size:13px}.floor-strip .floor-delete{min-height:34px;padding:5px 10px;border-color:#b8665d;background:#fff;color:#943d35;font-size:12px}.floor-strip .floor-delete:disabled{border-color:#c9d2cd;color:#8a9992;background:#eef2ef}.zone-tick{fill:none;stroke:#c56c2d;stroke-width:.025;stroke-dasharray:.04 .025}.zone-label{fill:#986038;font-size:.12px;font-weight:700}
#opening-styles{margin-top:12px;padding:10px;border:1px solid #d4b18f;border-radius:8px;background:#fffaf4}.style-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:13px}.style-heading span{font-size:11px;color:#8b6b4e}.style-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.style-grid button{min-height:52px;padding:7px;text-align:left;font-size:12px}.style-grid button b,.style-grid button small{display:block}.style-grid button small{margin-top:3px;color:#687a73}.style-grid .selected-style{background:#c56c2d;color:#fff;border-color:#c56c2d}.style-grid .selected-style small{color:#fff}.opening-row.active-opening{border-color:#c56c2d;box-shadow:0 0 0 2px #c56c2d20}
#exit-fullscreen-3d{display:none;position:absolute;z-index:8;top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right));background:#fff;color:#163e38;border:2px solid #163e38;font-weight:700;box-shadow:0 8px 25px #10271b35}.drawing:fullscreen #exit-fullscreen-3d{display:block}
.stair-style-panel{padding:17px 0;border-bottom:1px solid var(--line)}.stair-style-panel h2{font-size:16px;margin:0 0 10px}.stair-style-panel .style-grid button{min-height:44px;text-align:center}.floor-stats{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.floor-stats span{padding:5px 7px;border:1px solid #d5dfda;border-radius:6px;background:#fff;color:#486159;font-size:11px;white-space:nowrap}.floor-strip>#floor-count{margin-left:auto}.stair-plan circle{fill:#f1d4a7;stroke:#a56e39;stroke-width:.045}.stair-plan.selected circle{fill:#ffe7c4;stroke:#c56c2d;stroke-width:.08}@media(max-width:760px){.floor-strip>#floor-count{margin-left:0}.floor-stats{order:3;flex-basis:100%}.stair-style-panel{grid-column:1/-1}}