:root{--ink:#1f2937;--muted:#6b7280;--line:#e5e7eb;--bg:#f8fafc;--panel:#fff;--accent:#4a90d9;--blue:#dcebff;--green:#d6f5dd;--err:#fde2e2;--err-b:#e05252}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;overflow:hidden}body{color:var(--ink);background:var(--bg);font-family:-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}.app{grid-template-columns:170px 1fr 280px;height:100vh;display:grid}.lib{background:var(--panel);border-right:1px solid var(--line);padding:14px 10px;overflow:auto}.lib h3{color:var(--muted);letter-spacing:.5px;text-transform:uppercase;margin:6px 4px 8px;font-size:12px}.lib button{text-align:left;border:1px solid var(--line);cursor:pointer;width:100%;color:var(--ink);background:#fff;border-radius:8px;margin-bottom:5px;padding:8px 10px;font-family:inherit;font-size:13px;display:block}.lib button:hover{border-color:var(--accent);background:#f4f9ff}.lib button .t{font-weight:600}.lib button .d{color:var(--muted);margin-top:1px;font-size:11px;display:block}.cv-wrap{background:radial-gradient(circle,#e7ecf2 1px,#0000 1px) 0 0/22px 22px;position:relative;overflow:hidden}.cv-wrap svg{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.hint{color:var(--muted);border:1px solid var(--line);pointer-events:none;z-index:5;background:#fff;border-radius:999px;padding:5px 12px;font-size:12px;position:absolute;top:10px;left:50%;transform:translate(-50%)}.node{background:var(--panel);-webkit-user-select:none;user-select:none;border:1px solid #c3ccd6;border-radius:10px;min-width:130px;font-size:13px;position:absolute;box-shadow:0 2px 8px #00000014}.node.sel{border-color:var(--accent);box-shadow:0 0 0 2px #dcebff,0 2px 10px #4a90d94d}.node.err{border-color:var(--err-b)}.node .head{border-bottom:1px solid var(--line);cursor:move;background:linear-gradient(#fbfcfe,#f4f7fb);border-radius:10px 10px 0 0;justify-content:space-between;align-items:center;padding:7px 10px;font-weight:600;display:flex}.node .head .ico{color:var(--muted);font-size:11px;font-weight:400}.node .body{color:var(--muted);padding:6px 10px;font-size:11px}.node .body .dim{font-variant-numeric:tabular-nums;color:var(--ink);font-weight:600}.node .body .emsg{color:var(--err-b)}.node .mini{background:#f3f4f6;border-radius:4px;gap:2px;margin-top:4px;padding:3px;display:inline-grid}.node .mini .mc{font-variant-numeric:tabular-nums;background:#fff;border-radius:2px;justify-content:center;align-items:center;width:22px;height:16px;font-size:10px;display:flex}.port{cursor:crosshair;z-index:3;background:#fff;border:2px solid #8595a6;border-radius:50%;width:12px;height:12px;position:absolute;top:50%;transform:translateY(-50%)}.port.in{left:-7px}.port.out{right:-7px}.port:hover,.port.hot{border-color:var(--accent);background:#dcebff;transform:translateY(-50%)scale(1.25)}.port.filled{background:var(--accent);border-color:var(--accent)}.portlab{color:var(--muted);white-space:nowrap;pointer-events:none;font-size:9px;position:absolute}.portlab.in{left:10px}.portlab.out{text-align:right;right:10px}.panel{background:var(--panel);border-left:1px solid var(--line);padding:16px;overflow:auto}.panel h3{margin:0 0 10px;font-size:14px}.panel .empty{color:var(--muted);font-size:13px;line-height:1.7}.sec{margin-bottom:16px}.sec h4{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin:0 0 6px;font-size:12px}.edmat{gap:3px;display:inline-grid}.edmat input{text-align:center;border:1px solid var(--line);border-radius:5px;outline:none;width:48px;height:30px;font-family:inherit;font-size:13px}.edmat input:focus{border-color:var(--accent)}.dimctl{align-items:center;gap:8px;margin-bottom:8px;font-size:13px;display:flex}.dimctl input{border:1px solid var(--line);text-align:center;border-radius:5px;width:50px;padding:3px 6px}.param{margin:6px 0}.param label{justify-content:space-between;margin-bottom:3px;font-size:13px;display:flex}.param input[type=range]{width:100%;accent-color:var(--accent)}.outmat{gap:3px;display:inline-grid}.outmat .c{font-variant-numeric:tabular-nums;background:#f3f4f6;border-radius:4px;justify-content:center;align-items:center;width:48px;height:28px;font-size:12px;display:flex}.btn{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;padding:5px 10px;font-family:inherit;font-size:12px}.btn:hover{border-color:var(--accent)}.btn.danger{color:var(--err-b);border-color:#f3c8c8}