@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');
.distance-input{position:absolute;top:18px;left:50%;transform:translateX(-50%);display:none;width:205px;padding:10px 13px;border:1px solid var(--orange);border-radius:10px;background:#fff;color:var(--ink);font:600 12px 'DM Sans';outline:0;box-shadow:0 8px 22px #18212b20;z-index:4;transition:box-shadow .15s,border-color .15s}.distance-input::placeholder{color:#a16a58;font-weight:600}.distance-input:focus{border-color:var(--orange);box-shadow:0 0 0 3px #ec6c3920,0 8px 22px #18212b20}.distance-input.visible{display:block}.selection-box{fill:#ec6c3920;stroke:var(--orange);stroke-width:1.5;stroke-dasharray:5 4;pointer-events:none}
.tool-picker{position:relative;width:62px;height:56px;z-index:6}.tool-picker .tool-btn{position:relative}.tool-caret{position:absolute;right:4px;top:4px;color:#18212b;font:700 9px Arial;line-height:1}.door-menu{position:absolute;left:72px;top:-7px;width:196px;padding:7px;background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:0 12px 30px #18212b25;display:none;grid-template-columns:1fr 1fr;gap:5px}.door-menu.open{display:grid}.door-menu:before{content:'';position:absolute;left:-6px;top:27px;width:10px;height:10px;background:#fff;border-left:1px solid var(--line);border-bottom:1px solid var(--line);transform:rotate(45deg)}.door-menu button{position:relative;z-index:1;min-height:70px;padding:8px 6px;border:0;border-radius:7px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--ink);font-family:'DM Sans';cursor:pointer}.door-menu button:hover{background:var(--orange-soft)}.door-menu button strong{font-size:10px}.door-menu button small{font-size:8px;color:var(--muted)}.door-menu-icon{position:relative;width:58px;height:25px;display:block;color:#6c5e5a}.door-menu-icon:before,.door-menu-icon:after{content:'';position:absolute}.door-icon-open:before{left:5px;top:2px;width:3px;height:20px;background:#6c5e5a}.door-icon-open:after{left:7px;top:2px;width:22px;height:22px;border:1px dashed #6c5e5a;border-left:0;border-bottom:0;border-radius:0 22px 0 0;transform:rotate(90deg);transform-origin:left top}.door-icon-pivot:before{left:27px;top:2px;width:3px;height:20px;background:#6c5e5a}.door-icon-pivot:after{left:28px;top:4px;width:19px;height:19px;border:1px dashed #6c5e5a;border-left:0;border-bottom:0;border-radius:0 20px 0 0}.door-icon-pocket:before{left:5px;top:9px;width:48px;height:4px;background:#6c5e5a}.door-icon-pocket:after{left:26px;top:3px;width:4px;height:16px;background:#6c5e5a;box-shadow:17px 0 0 #ddd}.door-icon-slide:before{left:5px;top:9px;width:48px;height:4px;background:#6c5e5a}.door-icon-slide:after{left:20px;top:2px;width:18px;height:18px;border-top:1px solid #6c5e5a;border-bottom:1px solid #6c5e5a}.door-icon-fold:before{left:8px;top:4px;width:40px;height:17px;border-top:3px solid #6c5e5a;transform:skewY(28deg)}.door-icon-fold:after{left:27px;top:4px;width:3px;height:20px;background:#6c5e5a;transform:rotate(45deg)}.door-icon-accordion:before{left:7px;top:4px;width:43px;height:17px;background:repeating-linear-gradient(135deg,#6c5e5a 0 3px,transparent 3px 9px)}.door-icon-accordion:after{left:4px;top:9px;width:50px;border-top:1px solid #6c5e5a}
:root{--ink:#18212b;--muted:#7d8791;--line:#e3e7eb;--cream:#fbfaf7;--paper:#fff;--orange:#ec6c39;--orange-soft:#fff0ea;--blue:#3e6fe8;--green:#39a875}*{box-sizing:border-box}body{margin:0;color:var(--ink);font:13px 'DM Sans',sans-serif;background:#f3f4f2;overflow:hidden}.app-shell{height:100vh;min-width:1020px;display:flex;flex-direction:column}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 22px;gap:30px}.brand{display:flex;align-items:center;gap:10px;width:204px}.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:20px}.brand strong{font:700 18px 'Space Grotesk';display:block;letter-spacing:-.5px}.brand small{font-size:10px;color:var(--muted);letter-spacing:.2px}.project-name{display:flex;align-items:center;gap:8px;color:#52606b}.project-name input{border:0;background:transparent;font:600 13px 'DM Sans';color:var(--ink);width:190px;outline:0}.status-dot,.live-dot{width:7px;height:7px;background:var(--green);border-radius:50%;display:inline-block}.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.ghost-btn,.outline-btn,.primary-btn,.icon-btn,.view-btn{font:600 12px 'DM Sans';border:0;background:none;color:var(--muted);cursor:pointer}.ghost-btn{font-size:21px;padding:5px 8px}.outline-btn{border:1px solid var(--line);border-radius:7px;padding:9px 15px;color:var(--ink)}.primary-btn{background:var(--orange);color:#fff;border-radius:7px;padding:10px 16px;box-shadow:0 3px 7px #ec6c3930}.divider{height:20px;width:1px;background:var(--line);margin:0 7px}.workspace{flex:1;display:flex;min-height:0}.left-rail{width:82px;background:#fff;border-right:1px solid var(--line);padding:16px 9px;display:flex;flex-direction:column;align-items:center;gap:5px}.rail-label{font-size:8px;letter-spacing:1.1px;color:#adb5bb;margin:2px 0 9px}.tool-btn{width:62px;height:56px;background:transparent;border:0;border-radius:8px;color:#7d8791;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;cursor:pointer}.tool-btn span{font-size:21px;line-height:20px;font-family:Georgia,serif}.tool-btn small{font-size:10px}.tool-btn:hover{background:#f6f7f6;color:var(--ink)}.tool-btn.active{background:var(--orange-soft);color:var(--orange)}.rail-spacer{flex:1}.canvas-area{flex:1;display:flex;flex-direction:column;min-width:0}.canvas-toolbar{height:53px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 20px}.breadcrumbs{display:flex;align-items:center;gap:9px;color:#a0a7ad;font-size:12px}.breadcrumbs strong{color:var(--ink)}.view-actions{margin-left:auto;display:flex;align-items:center;gap:5px}.view-btn{padding:7px 12px;border-radius:6px}.view-btn.active{background:var(--ink);color:#fff}.view-btn em{font-size:8px;background:#ffffff25;padding:2px 4px;border-radius:3px;font-style:normal;margin-left:3px}.icon-btn{width:29px;height:29px;border-radius:5px;font-size:17px}.icon-btn:hover{background:#f0f2f2;color:var(--ink)}#zoomValue{font-size:11px;color:#626e77;min-width:40px;text-align:center}.drawing-stage{flex:1;position:relative;overflow:hidden;background:#f0f1ef;cursor:crosshair}.drawing-stage.selecting{cursor:default}.drawing-stage.panning{cursor:grab}.drawing-stage svg{width:100%;height:100%;display:block}.grid{transition:opacity .15s}.empty-hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:7px;color:#9ba3a9;pointer-events:none}.empty-hint strong{font-size:14px;color:#69747d}.empty-hint span{font-size:11px}.hint-icon{width:37px;height:37px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--orange);font-size:20px;box-shadow:0 5px 18px #18212b10}.empty-hint.hidden{display:none}.scale-indicator{position:absolute;bottom:20px;left:24px;color:#6d767e;font-size:10px}.scale-indicator span{display:block;width:100px;border-top:2px solid #7e878d;margin-bottom:3px}.coordinates{position:absolute;right:20px;bottom:17px;background:#fff;border:1px solid var(--line);border-radius:5px;padding:6px 9px;color:#77818a;font-size:10px;box-shadow:0 2px 6px #18212b0c}.bottom-status{height:31px;background:#fff;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 17px;color:#9ba3a8;font-size:10px}.bottom-status strong{color:#606b73;font-weight:600}.live-dot{margin-right:5px;width:6px;height:6px}.right-panel{width:272px;background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column}.panel-tabs{height:52px;border-bottom:1px solid var(--line);display:flex;padding:0 18px;gap:18px}.panel-tab{position:relative;border:0;background:none;color:#adb4b9;font-size:10px;letter-spacing:.65px;font-weight:700;cursor:pointer}.panel-tab.active{color:var(--ink)}.panel-tab.active:after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--orange)}.panel-content{flex:1;min-height:0;overflow:auto;padding:18px}.panel-empty{height:270px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;color:#a0a8ad}.panel-empty strong{font-size:12px;color:#727d85}.panel-empty span{font-size:10px;line-height:1.5;max-width:170px}.cursor-icon{font-size:27px;color:#ccd2d5;margin-bottom:2px}.hidden{display:none!important}.panel-footer{border-top:1px solid var(--line);padding:17px 18px;color:#89939a;font-size:11px}.legend-title{font-size:9px;letter-spacing:1px;color:#b1b8bc;margin-bottom:13px}.legend-row{display:flex;align-items:center;gap:9px;margin:9px 0}.legend-line{display:inline-block;width:26px;border-top:3px solid #33404b}.legend-line.opening{border-top:3px solid var(--blue)}.legend-line.dim{border-top:1px dashed var(--orange)}.layers-header{display:flex;justify-content:space-between;font-size:12px;border-bottom:1px solid var(--line);padding-bottom:12px}.layers-header span{color:var(--muted)}.layer-item{display:flex;align-items:center;gap:8px;padding:11px 5px;border-bottom:1px solid #f0f1f1;cursor:pointer}.layer-item:hover{background:#fafafa}.layer-swatch{width:8px;height:8px;border-radius:2px}.layer-item small{color:var(--muted);margin-left:auto}.property-section{border-bottom:1px solid var(--line);padding:0 0 17px;margin-bottom:17px}.property-section h4{font-size:10px;letter-spacing:.8px;color:#9ea6ab;margin:0 0 14px}.property-row{display:flex;align-items:center;justify-content:space-between;margin:10px 0;color:#737d85;font-size:11px}.property-row input,.property-row select{width:116px;padding:6px 7px;border:1px solid var(--line);border-radius:5px;color:var(--ink);font:11px 'DM Sans';outline:0;background:#fff}.property-row input:focus,.property-row select:focus{border-color:var(--orange)}.delete-btn{border:0;background:#fff0ee;color:#d35335;border-radius:5px;padding:7px 10px;font:600 11px 'DM Sans';cursor:pointer;width:100%}.selection-outline{fill:none;stroke:var(--orange);stroke-width:2;stroke-dasharray:5 4;pointer-events:none}.toast{position:fixed;left:50%;bottom:45px;transform:translate(-50%,10px);background:#18212b;color:#fff;padding:9px 14px;border-radius:6px;font-size:11px;opacity:0;pointer-events:none;transition:.2s;z-index:5}.toast.show{opacity:1;transform:translate(-50%,0)}
.door-swing-control{display:flex;align-items:center;gap:7px}.door-swing-control strong{min-width:76px;text-align:right;color:var(--ink);font-size:11px;font-weight:600}.mirror-btn{width:31px;height:29px;padding:0;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:.15s}.mirror-btn:hover{border-color:var(--orange);background:var(--orange-soft);color:var(--orange)}.mirror-btn:active{transform:scale(.94)}.mirror-icon{font:700 19px/1 Arial,sans-serif;letter-spacing:-3px;transform:scaleX(1.05)}
.dimension-handle{cursor:move}.dimension-edit-handles{pointer-events:none}.dimension-edit-handles .dimension-handle{pointer-events:all}.dimension-selection-outline{pointer-events:stroke}
.drawing-stage{--ruler-top:24px;--ruler-left:32px}
.drawing-stage>svg{position:absolute;left:var(--ruler-left);top:var(--ruler-top);width:calc(100% - var(--ruler-left));height:calc(100% - var(--ruler-top))}
.ruler-corner,.ruler-top,.ruler-left{position:absolute;z-index:4;background:#fff;color:#68737c;font:10px 'DM Sans',sans-serif;user-select:none;overflow:hidden}
.ruler-corner{left:0;top:0;width:var(--ruler-left);height:var(--ruler-top);display:grid;place-items:center;border-right:1px solid #d8dde0;border-bottom:1px solid #d8dde0;color:#4e5962;font-weight:700}
.ruler-top{left:var(--ruler-left);right:0;top:0;height:var(--ruler-top);border-bottom:1px solid #cfd5d9;cursor:s-resize;background:linear-gradient(#fff,#f7f8f8)}
.ruler-left{left:0;top:var(--ruler-top);bottom:0;width:var(--ruler-left);border-right:1px solid #cfd5d9;cursor:e-resize;background:linear-gradient(90deg,#fff,#f7f8f8)}
.ruler-tick{position:absolute;background:#8b959c;pointer-events:none}
.ruler-top .ruler-tick{bottom:0;width:1px}
.ruler-left .ruler-tick{right:0;height:1px}
.ruler-label{position:absolute;color:#67727a;font-size:9px;line-height:1;pointer-events:none;white-space:nowrap}
.ruler-top .ruler-label{top:3px;transform:none}
.ruler-left .ruler-label{right:18px;transform:translateY(-50%) rotate(-90deg);transform-origin:right center}
.ruler-label.zero,.ruler-corner.zero{color:#3e6fe8;font-weight:700}
.ruler-tick.zero{background:#3e6fe8}
.left-rail{padding-top:12px;padding-bottom:12px;gap:2px}
.rail-label{margin-bottom:5px}
.tool-btn{height:48px;gap:1px}
.tool-btn span{font-size:18px;line-height:18px}
.tool-btn small{font-size:9px}
.tool-picker{height:48px}
.drawing-stage,.drawing-stage *{user-select:none;-webkit-user-select:none;}
.distance-input{user-select:text;-webkit-user-select:text;}
.alignment-marker{pointer-events:none;}
.origin-snap-marker{pointer-events:none;}
.layer-item.selected{background:#fff0ea;color:var(--orange);box-shadow:inset 3px 0 0 var(--orange);}
.object-context-menu{position:fixed;display:none;min-width:145px;padding:5px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 28px #18212b24;z-index:20;}
.object-context-menu.open{display:block;}
.object-context-menu button{width:100%;border:0;border-radius:5px;background:transparent;color:var(--ink);padding:8px 10px;text-align:left;font:600 11px 'DM Sans';cursor:pointer;}
.object-context-menu button:hover{background:var(--orange-soft);color:var(--orange);}
.snap-toggle{position:relative;display:grid;place-items:center;line-height:1;padding:0;border:1px solid transparent;transition:background .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease;}
.snap-toggle.is-on{background:#eaf0ff;border-color:var(--blue);color:var(--blue);box-shadow:inset 0 1px 2px #3e6fe830,0 1px 3px #3e6fe81f;}
.snap-toggle:not(.is-on){color:#aab2b8;opacity:.72;}
.select-cursor-icon{width:19px;height:19px;display:block}
.select-cursor-icon svg{width:100%;height:100%;display:block;fill:currentColor}
.drawing-stage.selecting{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M3 2 21 10 13 13 10 22Z' fill='%2318212b' stroke='white' stroke-width='1'/%3E%3C/svg%3E") 3 2,default}
.drawing-stage.selecting.area-selecting{cursor:crosshair}
.guide-line{stroke:#28a6b7;stroke-width:1.4;stroke-dasharray:7 5;pointer-events:none}
.guide-hit{stroke:transparent;stroke-width:14;pointer-events:stroke;cursor:move}
.guide-line.selected{stroke:#ec6c39}
.origin-marker{stroke:#3e6fe8;fill:#fff;pointer-events:none}
.origin-marker-line{stroke:#3e6fe8;stroke-width:1.4;opacity:.9;pointer-events:none}
.origin-marker-label{fill:#3e6fe8;font-size:10px;font-weight:700;pointer-events:none}
.wall-tool-icon{width:22px;height:20px;display:block}.wall-tool-icon svg{width:100%;height:100%;display:block;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.wall-menu{position:absolute;left:72px;top:-7px;width:214px;padding:7px;background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:0 12px 30px #18212b25;display:none;gap:5px}.wall-menu.open{display:grid}.wall-menu:before{content:'';position:absolute;left:-6px;top:27px;width:10px;height:10px;background:#fff;border-left:1px solid var(--line);border-bottom:1px solid var(--line);transform:rotate(45deg)}.wall-menu button{position:relative;z-index:1;min-height:58px;padding:7px 9px;border:0;border-radius:7px;background:#fff;display:grid;grid-template-columns:48px 1fr;grid-template-rows:1fr 1fr;align-items:center;column-gap:7px;text-align:left;color:var(--ink);font-family:'DM Sans';cursor:pointer}.wall-menu button:hover{background:var(--orange-soft)}.wall-menu button strong{font-size:10px;align-self:end}.wall-menu button small{font-size:8px;color:var(--muted);align-self:start}.wall-menu-icon{grid-row:1 / span 2;position:relative;width:42px;height:30px;display:block;color:#596771}.wall-icon-free:before{content:'';position:absolute;left:3px;top:15px;width:36px;border-top:4px solid currentColor;border-radius:4px}.wall-icon-free:after{content:'';position:absolute;left:3px;top:8px;width:4px;height:15px;background:currentColor;border-radius:2px;box-shadow:34px 0 0 currentColor}.wall-icon-square{border:3px solid currentColor;border-radius:2px}.wall-icon-square:after{content:'';position:absolute;inset:5px;border:1px solid currentColor;opacity:.45}
.multi-selection-summary{height:104px}.multi-action-panel{border-bottom:1px solid var(--line);padding:0 0 16px;margin-bottom:16px}.multi-action-title{font-size:9px;letter-spacing:.8px;color:#9ea6ab;margin:0 0 9px}.multi-action-group{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:15px}.multi-action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.multi-action-btn{min-width:0;min-height:45px;padding:5px 3px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-family:'DM Sans';cursor:pointer}.multi-action-btn:hover:not(:disabled){border-color:var(--orange);background:var(--orange-soft);color:var(--orange)}.multi-action-btn:active:not(:disabled){transform:translateY(1px)}.multi-action-btn:disabled{opacity:.38;cursor:not-allowed;background:#f6f7f7}.multi-action-btn small{font-size:8px;line-height:1.05;text-align:center;white-space:normal}.action-glyph{height:17px;font:700 17px/17px Arial,sans-serif}
.layer-item{position:relative;padding:10px 5px;user-select:none}.layer-item[draggable="true"]{cursor:grab}.layer-item[draggable="true"]:active{cursor:grabbing}.layer-item.dragging{opacity:.38;background:#f3f5f6}.layer-item.drop-before:before,.layer-item.drop-after:after{content:'';position:absolute;left:3px;right:3px;height:2px;border-radius:2px;background:var(--blue);box-shadow:0 0 0 1px #fff}.layer-item.drop-before:before{top:-1px}.layer-item.drop-after:after{bottom:-1px}.layer-swatch{flex:0 0 auto}.layer-item>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.layer-drag-handle{color:#aab2b8!important;margin-left:auto!important;font:700 14px/1 Arial!important;letter-spacing:-2px}
.layers-hint{padding:9px 2px;color:#9aa4aa;font-size:9px;line-height:1.4;border-bottom:1px solid #f0f1f1}
.object-context-menu{min-width:210px;padding:6px;border-radius:9px;box-shadow:0 12px 32px #18212b28}.object-context-menu button{padding:8px 9px;display:flex;align-items:center;justify-content:space-between;gap:14px}.object-context-menu button:disabled{color:#b9c0c5;cursor:default;background:transparent}.object-context-menu button small{color:#a4adb3;font-size:9px;font-weight:500}.context-menu-label{padding:5px 9px 4px;color:#a3abb1;font-size:8px;font-weight:700;letter-spacing:.8px}.context-menu-separator{height:1px;background:var(--line);margin:5px 3px}
.left-rail{width:192px;flex:0 0 192px;min-height:0;padding:10px 14px 18px;gap:12px;align-items:stretch;overflow-y:auto;overflow-x:visible;background:#fff}
.rail-label{flex:0 0 auto;margin:10px 0 2px;text-align:center;color:#344b62;font-size:16px;font-weight:700;letter-spacing:.1px}
.tool-btn{position:relative;width:100%;height:128px;flex:0 0 128px;padding:15px 10px 13px;border:1px solid #dbe3eb;border-radius:10px;background:#fff;color:#4f657c;display:flex;align-items:center;justify-content:center;gap:10px;transition:border-color .15s,background .15s,color .15s,box-shadow .15s}
.tool-btn:hover{background:#f8fafc;border-color:#b7c8d9;color:#405a73;box-shadow:0 2px 8px #24384b0a}
.tool-btn.active{background:#eef4fc;border-color:#a8bfdc;color:#405b76;box-shadow:0 1px 3px #6f8eae12}
.tool-btn .tool-icon{width:56px;height:56px;display:grid;place-items:center;flex:0 0 56px}
.tool-btn .tool-icon svg{width:52px;height:52px;display:block;fill:none;stroke:currentColor;stroke-width:2.05;stroke-linecap:round;stroke-linejoin:round}
.tool-btn .select-cursor-icon svg{width:52px;height:52px;fill:currentColor;stroke:currentColor;stroke-width:1.2;stroke-linejoin:round}
.tool-btn small{font-size:17px;line-height:1.15;font-weight:500;color:inherit}
.tool-picker{position:relative;width:100%;height:128px;flex:0 0 128px;z-index:6}
.tool-picker>.tool-btn{position:relative}
.tool-caret{right:12px;top:12px;color:#43566a;font:700 21px/1 Arial,sans-serif}
.rail-spacer{display:block;flex:0 0 1px;height:1px;margin:1px 0;background:#dbe3eb}
.wall-tool-icon svg,.door-tool .tool-icon svg{stroke-width:2.15}
.wall-menu{left:calc(100% + 10px);top:0}
.door-menu{left:calc(100% + 10px);top:0}