:root{--ink:#1f2329;--muted:#6b7380;--line:#dfe2e7;--bg:#f4f5f7;--panel:#fff;--accent:#1668e3;--accent-ink:#fff;--danger:#c0362c;--good:#1d7a46;--warn:#a85a00}*{box-sizing:border-box}html,body{height:100%;margin:0}body{color:var(--ink);background:var(--bg);font:13px/1.4 Inter,Segoe UI,system-ui,sans-serif;overflow:hidden}#app{flex-direction:column;height:100vh;display:flex}button{font:inherit;color:var(--ink);border:1px solid var(--line);cursor:pointer;white-space:nowrap;background:#fff;border-radius:6px;padding:6px 10px}button:hover{background:#f0f3f8}button.on{border-color:var(--accent);color:#0e4fb5;background:#e3edfd}button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}button.primary:hover{background:#1259c6}button.danger{color:var(--danger);border-color:#e7c2be}button:disabled{opacity:.45;cursor:default}input[type=text],input[type=email],input[type=password],select{font:inherit;border:1px solid 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10px;font-size:16px}.modal-box code{background:#f0f2f5;border-radius:4px;padding:2px 5px}.modal-actions{justify-content:flex-end;gap:8px;margin-top:14px;display:flex}.modal label{color:var(--muted);flex-direction:column;gap:3px;margin-bottom:10px;font-size:12px;display:flex}.imp-grid{flex-wrap:wrap;gap:18px;display:flex}.imp-left{flex:none}.imp-right{flex:1;min-width:260px}.imp-canvas{border:1px solid var(--line);cursor:crosshair;touch-action:none;border-radius:6px;max-width:100%}.imp-info p{margin:0 0 6px}.imp-info .good{color:var(--good);font-weight:600}.imp-info .warn{color:var(--warn)}.imp-styles{max-height:180px;margin-top:6px;overflow:auto}.swatch{border:1px solid #999;border-radius:3px;width:14px;height:14px;display:inline-block}.hint{color:var(--muted);margin-top:4px;font-size:12px}details summary{cursor:pointer;color:var(--muted);margin-top:6px}.preview-only{display:none}body.client .edit-only{display:none!important}body.client:not(.shared) .preview-only{display:inline-block}body.client #projName{pointer-events:none;border-color:#0000}body.client #saved{display:none}@media (width<=900px){#side{width:210px}#tools{width:78px}#saved{display:none}}@media (width<=640px){body.client #side{display:none}#top{flex-wrap:wrap}}body.client #hint,body.client #coords{visibility:hidden}body:not(.cloud) .cloud-only{display:none!important}.modal.solid{background:#e9edf3}.modal-box{position:relative}.modal-x{color:var(--muted);background:0 0;border:0;padding:4px 8px;font-size:20px;line-height:1;position:absolute;top:10px;right:10px}.modal-box h4{margin:14px 0 8px;font-size:13px}.form-err{color:var(--danger);min-height:1em;margin:4px 0}.form-ok{color:var(--good);margin:4px 0}.plist{margin:10px 0}.prow{border:1px solid var(--line);border-radius:8px;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px;padding:9px 10px;display:flex}.prow.on{border-color:var(--accent);background:#f3f7fe}.prow.off{opacity:.55}.prow 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20px);display:flex}.minimap canvas{border:1px solid var(--line);cursor:pointer;touch-action:none;background:#fffffff0;border-radius:8px;box-shadow:0 4px 14px #0000002e}.mini-cap{color:#fff;background:#1f2329db;border-radius:6px;padding:5px 10px;font-size:12px}.print-left{flex:0 0 240px}.print-floors{margin-bottom:10px}.print-floors label.row{margin-bottom:4px}.print-prev{border:1px solid var(--line);background:#e9edf3;border-radius:6px;padding:10px}.print-prev svg{background:#fff;width:100%;height:auto;max-height:62vh;display:block;box-shadow:0 2px 10px #0003}.print-frame{visibility:hidden;border:0;width:0;height:0;position:fixed;bottom:0;right:0}.modal-box.boq{flex-direction:column;width:1180px;max-height:calc(100vh - 32px);display:flex}.boq-top{flex-wrap:wrap;align-items:flex-end;gap:14px;margin-bottom:6px;display:flex}.boq-top label{margin:0}.boq-big{background:#f1f6fe;border:1px solid #cfe0fb;border-radius:8px;flex-direction:column;gap:1px;padding:6px 12px;display:flex}.boq-big span{color:var(--muted);font-size:11px}.boq-big b{font-size:18px}.boq-notes p{margin:3px 0;font-size:12px}.boq-notes .warn{color:var(--warn)}.boq-scroll{border:1px solid var(--line);border-radius:6px;flex:1;min-height:160px;overflow:auto}.boq-table{font-size:12px}.boq-table th{text-align:left;z-index:1;background:#e8eef6;padding:6px;position:sticky;top:0}.boq-table td{vertical-align:top;padding:4px 6px}.boq-table .n{text-align:right;white-space:nowrap}.boq-sec td{background:#f3f5f8;padding-top:8px;font-weight:700}.boq-tot td{border-bottom:1px solid #9aa3ad;font-weight:700}.boq-grand td{border-top:2px solid #333;border-bottom:3px double #333;font-size:14px;font-weight:700}.boq-how{color:var(--muted);margin-top:2px;font-size:11px}.boq-rate{text-align:right;width:104px;padding:3px 5px!important}.boq-qty{text-align:right;width:72px;padding:3px 5px!important}.boq-pct{text-align:right;width:46px;padding:3px 5px!important}.boq-u{width:60px}.boq-rate.sample{background:#fff7e6;border-color:#f0c36d}.boq-rate.project{background:#eaf2ff;border-color:#8db4f5;font-weight:600}.boq-ratebox{align-items:center;gap:3px;display:inline-flex}.boq-undo,.boq-del{padding:1px 6px;font-size:11px}.boq-del{color:var(--danger);margin-left:8px}.boq-add{flex-wrap:wrap;align-items:flex-end;gap:8px;margin-top:10px;display:flex}.boq-add label{margin:0}.boq-add label.grow{flex:1;min-width:200px}.boq-legend{color:var(--muted);align-items:center;gap:4px;font-size:12px;display:flex}.boq-legend .sw{border:1px solid #ccc;border-radius:3px;width:12px;height:12px;margin-left:6px;display:inline-block}.sw.sample{background:#fff7e6;border-color:#f0c36d}.sw.office{background:#fff}.sw.project{background:#eaf2ff;border-color:#8db4f5}