:root{--bg:#f4f6f9;--surface:#fff;--text:#1e293b;--muted:#64748b;--border:#dbe1ea;--primary:#1f3a5f;--primary-soft:#e3ebf5;--accent:#0f766e;--measure:#e11d48;--done:#16a34a;--warn-bg:#fff7ed;--warn:#c2410c;--radius:10px;--topbar:56px;--nav-w:92px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);border-radius:8px;min-height:40px;padding:8px 12px}button:disabled{cursor:not-allowed;opacity:.5}button.primary{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}button.wide{width:100%;margin-top:16px}input{font:inherit}h4{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:18px 0 8px;font-size:.85rem}.app{grid-template-columns:var(--nav-w) minmax(0, 1fr);grid-template-rows:var(--topbar) minmax(0, 1fr);grid-template-areas:"top top""nav main";height:100%;display:grid}.topbar{background:var(--primary);color:#fff;grid-area:top;align-items:center;gap:12px;min-width:0;padding:0 12px;display:flex}.brand{align-items:center;gap:8px;font-weight:700;display:flex}.project-name{color:#fff;background:#ffffff1f;border:1px solid #0000;border-radius:8px;flex:1;min-width:0;max-width:360px;padding:6px 10px}.project-name:focus{border-color:#ffffff80;outline:none}.top-actions{gap:6px;margin-left:auto;display:flex}.topbar .icon-btn{color:#fff;background:#ffffff1f;border-color:#0000}.icon-btn{justify-content:center;align-items:center;gap:4px;min-width:40px;padding:6px 10px;display:inline-flex}.icon-btn.danger{color:var(--measure)}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;grid-area:nav;gap:4px;padding:8px 6px;display:flex}.sidebar 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button{border-radius:0;min-height:34px;padding:4px 12px}.canvas-tools button:first-child{border-radius:8px 0 0 8px}.canvas-tools button:last-child{border-radius:0 8px 8px 0}.canvas-tools button.active{background:var(--primary-soft);color:var(--primary);font-weight:600}.drawing{width:100%;height:100%;max-height:calc(100vh - var(--topbar) - 90px);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);touch-action:manipulation;-webkit-user-select:none;user-select:none}.drawing.placeable{cursor:crosshair}.drawing text{fill:var(--text);font-family:inherit}.drawing .muted{fill:var(--muted)}.wall-face{fill:#fafaf9;stroke:#334155}.wall-face.pending{stroke-dasharray:60 40;stroke:#94a3b8}.feature.approx{opacity:.7}.feature.selected rect,.feature.selected circle{stroke:var(--accent);stroke-width:.8%}.dim line{stroke:#64748b}.dim text{fill:var(--muted)}.measure-line line{stroke:var(--measure)}.measure-line circle{fill:var(--measure)}.drawing 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var(--primary);background:var(--primary-soft)}.segmented{background:var(--bg);border-radius:10px;gap:4px;margin-bottom:12px;padding:4px;display:flex}.segmented button{background:0 0;border:none;flex:1;min-height:36px;padding:4px 6px}.segmented button.active{background:var(--surface);font-weight:600;box-shadow:0 1px 2px #0000001a}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{border-radius:999px;align-items:center;gap:6px;min-height:36px;padding:4px 12px;font-size:.9rem;display:inline-flex}.dot{border:1px solid #00000026;border-radius:50%;flex:none;width:10px;height:10px;display:inline-block}.feature-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.feature-list li{gap:6px;display:flex}.feature-name{text-align:left;flex:1;align-items:center;gap:8px;display:flex}.feature-name small{color:var(--muted);margin-left:auto}.feature-list li.selected 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.check{color:var(--done);font-weight:700}.step-name{flex:1;font-size:.9rem}.step-value{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.9rem}.status-dot{background:#94a3b8;border-radius:50%;width:9px;height:9px;display:inline-block}.status-dot.connected{background:#22c55e}.status-dot.connecting{background:#facc15}.status-dot.error{background:var(--measure)}.modal-backdrop{z-index:10;background:#0f172a73;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:14px;width:100%;max-width:440px;max-height:90vh;padding:16px 18px;overflow:auto}.modal-head{justify-content:space-between;align-items:center;display:flex}.modal-head h3{margin:0}.laser-status{align-items:center;gap:8px;margin:10px 0;font-weight:600;display:flex}.modal-actions{justify-content:flex-end;margin:12px 0;display:flex}.raw{background:var(--bg);border-radius:8px;max-height:200px;padding:8px;font-size:.75rem;overflow:auto}@media 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