:root{--bg:#f4f5f7;--panel:#fff;--border:#e1e4e8;--border-strong:#c9ced6;--text:#1b1f24;--muted:#6b7280;--accent:#00838f;--accent-weak:#e0f4f6;--danger:#c62828;color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:13px}*{box-sizing:border-box}[hidden]{display:none!important}html,body{background:var(--bg);height:100%;margin:0}#app{grid-template:"top top top"48px"tools map side"1fr/64px 1fr 340px;height:100vh;display:grid}svg.lucide{vertical-align:-3px;flex:none}#topbar{background:var(--panel);border-bottom:1px solid var(--border);grid-area:top;align-items:center;gap:10px;padding:0 12px;display:flex}.brand{font-size:15px;font-weight:700}.brand span{color:var(--muted);font-weight:400}#project-name{border:1px solid var(--border);border-radius:6px;width:260px;padding:5px 8px;font-size:14px}.spacer{flex:1}#status{font-variant-numeric:tabular-nums;color:var(--muted);gap:14px;display:flex}#status-cell{color:var(--text);min-width:48px;font-weight:700}button{font:inherit;color:inherit;cursor:pointer}.btn{border:1px solid var(--border-strong);background:#fff;border-radius:6px;align-items:center;gap:6px;padding:6px 10px;line-height:1;display:inline-flex}.btn:hover{background:var(--bg)}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.primary:hover{background:#006f7a}.btn.small{padding:5px 8px;font-size:12px}.btn:disabled{opacity:.4;cursor:default}.icon-btn{color:#4b5563;background:0 0;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;padding:0;display:inline-flex}.icon-btn:hover{background:var(--bg);color:var(--text)}.icon-btn.on{color:var(--accent)}.icon-btn.danger:hover{color:var(--danger);background:#fdecea}.icon-btn:disabled{opacity:.25;cursor:default;background:0 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.sep{background:var(--border);height:1px;margin:6px}#map{background:#e8eaed;grid-area:map;position:relative}#map.tool-object,#map.tool-text,#map.grid-placing,#map.extending{cursor:crosshair}.ol-scale-bar,.ol-scale-line{background:#fffc}.ol-dragbox{border:2px dashed var(--accent);background:#00838f1f}.viewer-banner{z-index:5;background:#fff8e1;border:1px solid #f9a825;border-radius:8px;padding:6px 12px;position:absolute;top:10px;left:50%;transform:translate(-50%)}#sidebar{background:var(--panel);border-left:1px solid var(--border);flex-direction:column;grid-area:side;min-height:0;display:flex}#context{flex:none;max-height:55%;overflow-y:auto}#tabs{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg);flex:none;gap:2px;padding:6px 8px;display:flex}#tabs button{color:#4b5563;background:0 0;border:1px solid #0000;border-radius:6px;flex:1;justify-content:center;align-items:center;height:32px;display:flex}#tabs button:hover{background:#fff}#tabs 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