:root{--bg:#0b1220;--panel:#0f172a;--border:rgba(255,255,255,.1);--text:#e5e7eb;--muted:rgba(229,231,235,.75);--btn:#2563eb;--btn2:rgba(255,255,255,.1)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}.top{display:flex;gap:10px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--border)}.brand{font-weight:800;letter-spacing:.2px}.btn{background:var(--btn);border:none;color:#fff;padding:9px 12px;border-radius:10px;cursor:pointer;font-weight:800}.btn.secondary{background:var(--btn2)}.wrap{display:grid;grid-template-columns:420px 1fr;height:calc(100vh - 53px)}.pane{padding:12px;overflow:auto}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px}textarea{width:100%;height:calc(100vh - 260px);background:#0b1020;color:var(--text);border:1px solid var(--border);border-radius:12px;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:13px;line-height:1.35;resize:none}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:10px 0}.hint{font-size:12px;color:var(--muted);margin-top:8px}.err{white-space:pre-wrap;color:#fca5a5;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;margin-top:8px}.popover{position:absolute;z-index:50;background:#111827;color:#e5e7eb;border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:8px;display:flex;gap:6px;align-items:center;box-shadow:0 10px 30px #00000059}.popbtn{background:#ffffff1a;border:none;color:#e5e7eb;padding:7px 9px;border-radius:9px;cursor:pointer;font-weight:900}.popbtn:hover{background:#ffffff29}.labelEdit{position:absolute;z-index:60;display:flex;background:#fff;border:1px solid #d1d5db;border-radius:10px;padding:6px;box-shadow:0 8px 24px #00000026}.labelEdit input{border:none;outline:none;font-size:14px;width:260px}.canvasWrap{height:calc(100vh - 140px);background:#fff;border-radius:12px;border:1px solid #e5e7eb;overflow:auto;position:relative}.coordHud{position:absolute;right:12px;top:12px;background:#111827db;color:#fff;padding:8px 10px;border-radius:10px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;z-index:5}.labelEdit input{padding:8px 10px;border:1px solid #d1d5db;border-radius:10px;min-width:260px}.labelEdit{background:#fff;border:1px solid #e5e7eb;padding:10px;border-radius:12px;box-shadow:0 12px 30px #0000001f;z-index:10}