:root{--sto-yellow: #ffd500;--sto-yellow-soft: #fff4b8;--ink: #1c1c1c;--ink-2: #6b6b6b;--ink-3: #9a9a9a;--line: #e4e4e4;--line-2: #f0f0f0;--bg: #ffffff;--bg-soft: #fafafa;--bg-canvas: #f5f6f7;--radius: 6px;--shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 1px 8px rgba(0, 0, 0, .04);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink)}button{font-family:inherit}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;height:56px;padding:0 18px;border-bottom:1px solid var(--line);gap:18px;position:relative}.topbar .home{width:30px;height:30px;display:grid;place-items:center;border-radius:var(--radius);color:var(--ink-2);cursor:pointer}.topbar .home:hover{background:var(--bg-soft)}.topbar .project{font-weight:600;padding-left:14px;border-left:1px solid var(--line)}.topbar 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dashed var(--line);border-radius:var(--radius);background:linear-gradient(var(--bg-canvas),var(--bg-canvas)),repeating-linear-gradient(0deg,transparent,transparent 28px,#ededed 28px,#ededed 29px),repeating-linear-gradient(90deg,transparent,transparent 28px,#ededed 28px,#ededed 29px);display:grid;place-items:center;text-align:center;color:var(--ink-3)}.canvas .hint{max-width:420px}.canvas .hint b{color:var(--ink-2);display:block;margin-bottom:6px;font-size:15px}.section-head{margin:0 0 4px;font-size:22px}.section-sub{margin:0 0 20px;color:var(--ink-2)}.field{display:grid;gap:6px;margin-bottom:16px;max-width:460px}.field label{font-size:13px;font-weight:600}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:var(--radius);padding:9px 11px;font-size:14px;font-family:inherit}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--sto-yellow);border-color:var(--sto-yellow)}.row{display:flex;gap:12px;flex-wrap:wrap}.row 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var(--line);border-radius:var(--radius);background:var(--bg-canvas);min-height:300px;position:relative;display:grid;place-items:center;overflow:hidden}.threed .house{width:230px;height:auto}.threed .cap{position:absolute;top:8px;left:10px;font-size:12px;color:var(--ink-3)}.area-chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.area-chip{border:1px solid var(--line);border-radius:20px;padding:5px 12px;font-size:13px;cursor:pointer;background:var(--bg)}.area-chip:hover{background:var(--bg-soft)}.area-chip.active{background:#2454e0;border-color:#2454e0;color:#fff}.layer{border:1px solid var(--line);border-radius:var(--radius);padding:12px;margin-bottom:10px;min-width:0}.layer .layer-head{display:flex;align-items:center;gap:8px;font-weight:600;margin-bottom:10px}.layer .layer-head 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