:root{--bg:#0e1117;--bg-panel:#151b24;--bg-elev:#1b2330;--bg-canvas:#0a0d12;--border:#28313f;--border-soft:#1f2733;--text:#dfe6f0;--text-dim:#8b97a8;--text-faint:#5a6575;--accent:#ff7a18;--accent-dim:#c25c12;--accent2:#2f81f7;--good:#3fb950;--warn:#d29922;--bad:#f85149;--wire:#4f9dde;--wire-pwr:#e0533d;--wire-gnd:#6b7787;font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans CJK HK,Microsoft JhengHei,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:13px;overflow:hidden}button{cursor:pointer;font-family:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#2b3543;border-radius:5px}::-webkit-scrollbar-track{background:0 0}.app{grid-template-rows:46px 1fr 26px;height:100%;display:grid}.topbar{background:var(--bg-panel);border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:0 14px;display:flex}.brand{letter-spacing:.3px;align-items:center;gap:9px;font-size:15px;font-weight:700;display:flex}.brand .logo{width:22px;height:22px}.brand .sub{color:var(--text-dim);font-size:11px;font-weight:400}.topbar .spacer{flex:1}.proj-name{color:var(--text);background:0 0;border:1px solid #0000;border-radius:6px;width:160px;padding:4px 8px;font-size:13px}.proj-name:hover{border-color:var(--border)}.proj-name:focus{border-color:var(--accent2);background:var(--bg);outline:none}.btn{background:var(--bg-elev);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:5px 11px;font-size:12px;transition:all .12s}.btn:hover{background:#222c3a;border-color:#3a4757}.btn-accent{background:var(--accent);border-color:var(--accent);color:#1a1206;font-weight:600}.btn-accent:hover{background:#ff8a33;border-color:#ff8a33}.btn-ghost{background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--bg-elev)}.btn.sm{padding:3px 8px;font-size:11px}.chip{background:var(--bg-elev);border:1px solid var(--border);color:var(--text-dim);border-radius:20px;padding:3px 9px;font-size:11px}.chip.live{color:var(--good);border-color:#234b2e}.main{grid-template-columns:330px 1fr 320px;min-height:0;display:grid}.panel{background:var(--bg-panel);flex-direction:column;min-height:0;display:flex}.panel.left{border-right:1px solid var(--border)}.panel.right{border-left:1px solid var(--border)}@media (width<=1180px){.main{grid-template-columns:290px 1fr 290px}}@media (width<=980px){.main{grid-template-columns:250px 1fr 250px}.topbar{scrollbar-width:thin;overflow-x:auto}.topbar .proj-name{width:110px}}.panel-head{color:var(--text-dim);border-bottom:1px solid var(--border-soft);text-transform:uppercase;letter-spacing:.5px;justify-content:space-between;align-items:center;gap:8px;padding:9px 13px;font-size:12px;font-weight:600;display:flex}.chat-examples{flex-wrap:wrap;align-items:center;gap:5px;padding:7px 10px 0;display:flex}.chat-examples-lbl{color:var(--text-faint);font-size:11px}.chat-examples .example{background:var(--bg-elev);border:1px solid var(--border-soft);color:var(--text-dim);cursor:pointer;border-radius:12px;padding:3px 8px;font-size:11px}.chat-examples .example:hover{border-color:var(--accent2);color:var(--text)}.center{background:var(--bg-canvas);flex-direction:column;min-width:0;display:flex}.viewtabs{background:var(--bg-panel);border-bottom:1px solid var(--border);gap:2px;padding:6px 8px 0;display:flex}.tab{color:var(--text-dim);background:0 0;border:1px solid #0000;border-bottom:none;border-radius:7px 7px 0 0;padding:7px 15px;font-size:12.5px}.tab:hover{color:var(--text)}.tab.active{background:var(--bg-canvas);color:var(--text);border-color:var(--border)}.canvas-wrap{flex:1;min-height:0;position:relative;overflow:hidden}.chat{flex-direction:column;flex:1;min-height:0;display:flex}.chat-log{flex-direction:column;flex:1;gap:10px;padding:12px;display:flex;overflow-y:auto}.chat-msg{white-space:pre-wrap;border-radius:9px;padding:9px 11px;font-size:12.5px;line-height:1.55}.chat-msg.user{background:#1d2a3d;border:1px solid #25405e;align-self:flex-end;max-width:90%}.chat-msg.assistant{background:var(--bg-elev);border:1px solid var(--border-soft)}.chat-msg.system{color:var(--text-faint);background:0 0;align-self:center;font-size:11.5px}.chat-msg strong{color:var(--accent)}.chat-msg em{color:var(--text-faint);font-style:normal}.chat-empty{color:var(--text-faint);padding:18px 12px;font-size:12.5px;line-height:1.7}.examples{flex-direction:column;gap:6px;margin-top:10px;display:flex}.example{text-align:left;background:var(--bg-elev);border:1px solid var(--border-soft);color:var(--text);border-radius:8px;padding:8px 10px;font-size:12px}.example:hover{border-color:var(--accent2)}.chat-input{border-top:1px solid var(--border-soft);flex-direction:column;gap:7px;padding:10px;display:flex}.chat-input textarea{resize:none;background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;min-height:58px;padding:9px 10px;font-family:inherit;font-size:12.5px}.chat-input textarea:focus{border-color:var(--accent2);outline:none}.chat-input .row{align-items:center;gap:8px;display:flex}.inspector{flex:1;overflow-y:auto}.insp-tabs{border-bottom:1px solid var(--border-soft);gap:4px;padding:8px;display:flex}.insp-tabs .t{text-align:center;color:var(--text-dim);background:0 0;border:1px solid #0000;border-radius:6px;flex:1;padding:6px;font-size:12px}.insp-tabs .t.active{background:var(--bg-elev);color:var(--text);border-color:var(--border)}.insp-body{padding:12px}.field{margin-bottom:11px}.field label{color:var(--text-dim);margin-bottom:4px;font-size:11px;display:block}.field input,.field select{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);border-radius:6px;padding:6px 8px;font-size:12.5px}.field input:focus,.field select:focus{border-color:var(--accent2);outline:none}.field .unit{color:var(--text-faint);font-size:11px}.insp-title{margin-bottom:2px;font-size:14px;font-weight:600}.insp-sub{color:var(--text-dim);margin-bottom:12px;font-size:11.5px}.divider{background:var(--border-soft);height:1px;margin:12px 0}.cat{color:var(--text-faint);text-transform:uppercase;letter-spacing:.5px;margin:12px 0 5px;font-size:10.5px}.lib-search{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);border-radius:7px;margin-bottom:6px;padding:7px 9px;font-size:12.5px}.lib-search:focus{border-color:var(--accent2);outline:none}.part-row{border:1px solid #0000;border-radius:7px;align-items:center;gap:8px;padding:7px 8px;display:flex}.part-row:hover{background:var(--bg-elev);border-color:var(--border-soft)}.part-row .pdot{border-radius:3px;flex:none;width:9px;height:9px}.part-row .pname{flex:1;font-size:12px}.part-row .pdesc{color:var(--text-faint);font-size:10.5px}table.bom{border-collapse:collapse;width:100%;font-size:11.5px}table.bom th{text-align:left;color:var(--text-faint);border-bottom:1px solid var(--border);background:var(--bg-panel);padding:4px 6px;font-weight:500;position:sticky;top:0}table.bom td{border-bottom:1px solid var(--border-soft);vertical-align:top;padding:5px 6px}table.bom tr:hover td{background:var(--bg-elev)}.nets-list{color:var(--text-dim);font-size:11.5px}.net-tag{background:var(--bg);border:1px solid var(--border);border-radius:5px;margin:0 4px 4px 0;padding:2px 7px;display:inline-block}.pins-list{color:var(--text-dim);flex-wrap:wrap;gap:4px;font-size:11px;display:flex}.pin-tag{background:var(--bg);border:1px solid var(--border);border-radius:5px;align-items:center;gap:4px;padding:2px 7px;display:inline-flex}.pin-tag b{color:var(--text);font-variant-numeric:tabular-nums}.statusbar{background:var(--bg-panel);border-top:1px solid var(--border);color:var(--text-dim);align-items:center;gap:16px;padding:0 14px;font-size:11.5px;display:flex}.statusbar .dot{color:var(--accent)}.overlay-tools{z-index:5;border:1px solid var(--border);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#151b24d9;border-radius:9px;align-items:center;gap:6px;padding:6px;display:flex;position:absolute;top:10px;left:10px}.overlay-hint{z-index:5;color:var(--text-faint);background:#0a0d12b3;border-radius:6px;padding:4px 9px;font-size:11px;position:absolute;bottom:10px;left:10px}.empty-canvas{color:var(--text-faint);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:10px;display:flex;position:absolute;inset:0}.sel-panel{z-index:6;border:1px solid var(--border);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#151b24eb;border-radius:10px;width:230px;padding:11px;position:absolute;top:56px;left:10px}.sel-title{color:var(--accent);margin-bottom:9px;font-size:12.5px;font-weight:600}.sel-check{color:var(--text-dim);cursor:pointer;align-items:center;gap:6px;font-size:12px;display:flex}.sel-joint{border-top:1px solid var(--border-soft);margin-top:10px;padding-top:9px}.joints-panel{z-index:7;border:1px solid var(--border);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#151b24ed;border-radius:10px;width:268px;max-height:44%;padding:10px 11px;position:absolute;bottom:36px;left:10px;overflow-y:auto}.joint-row{align-items:center;gap:7px;margin-bottom:6px;display:flex}.joint-row input[type=range]{width:70px;accent-color:var(--accent);flex:none}.joint-row .sim-lbl{font-size:11.5px}.fea-res{margin-top:9px;font-size:11.5px;line-height:1.7}.fea-res b{color:var(--text);font-variant-numeric:tabular-nums}.fea-verdict{margin-top:5px;font-weight:600}.fea-verdict.safe{color:var(--good)}.fea-verdict.deform{color:var(--warn)}.fea-verdict.break{color:var(--bad)}.menu{z-index:21;background:var(--bg-elev);border:1px solid var(--border);border-radius:8px;min-width:130px;padding:4px;position:absolute;top:30px;right:0;box-shadow:0 8px 24px #0006}.menu button{text-align:left;width:100%;color:var(--text);background:0 0;border:none;border-radius:6px;padding:7px 10px;font-size:12px;display:block}.menu button:hover{background:var(--bg-panel)}.modal-backdrop{z-index:40;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#05080c99;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg-panel);border:1px solid var(--border);border-radius:14px;width:560px;max-width:92vw;max-height:88vh;padding:20px;overflow-y:auto;box-shadow:0 20px 60px #00000080}.modal-head{justify-content:space-between;align-items:flex-start;margin-bottom:16px;display:flex}.modal-title{font-size:18px;font-weight:700}.modal-sub{color:var(--text-dim);margin-top:3px;font-size:12.5px}.steps{flex-direction:column;gap:12px;display:flex}.step{gap:12px;display:flex}.step-icon{text-align:center;flex:none;width:34px;font-size:22px}.step-title{margin-bottom:2px;font-size:13px;font-weight:600}.step-body{color:var(--text-dim);font-size:12.5px;line-height:1.55}.modal-foot{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}kbd{background:var(--bg-elev);border:1px solid var(--border);color:var(--text);border-radius:4px;padding:1px 5px;font-family:inherit;font-size:11px}.proj-row{align-items:center;gap:2px;display:flex}.proj-row .proj-load{flex:1;justify-content:space-between;align-items:center;gap:8px;display:flex}.proj-meta{color:var(--text-faint);flex:none;font-size:10.5px}.proj-row .proj-del{width:26px;color:var(--text-faint);flex:none}.proj-row .proj-del:hover{color:var(--bad)}.gallery-modal{width:720px}.gallery-scroll{flex-direction:column;gap:16px;display:flex}.gallery-cat-title{color:var(--accent);letter-spacing:.04em;margin-bottom:8px;font-size:12px;font-weight:700}.gallery-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}@media (width<=640px){.gallery-grid{grid-template-columns:1fr}}.gallery-card{text-align:left;background:var(--bg-elev);border:1px solid var(--border);cursor:pointer;color:var(--text);border-radius:10px;flex-direction:column;gap:6px;padding:11px 12px;transition:border-color .12s,transform .12s;display:flex}.gallery-card:hover{border-color:var(--accent);transform:translateY(-2px)}.gallery-card-top{align-items:center;gap:8px;display:flex}.gallery-icon{font-size:20px}.gallery-card-title{font-size:13px;font-weight:600}.gallery-card-desc{color:var(--text-dim);font-size:11.5px;line-height:1.5}.runbar{z-index:44;border:1px solid var(--good);background:#0d1117f7;border-radius:10px;width:360px;max-width:46vw;position:fixed;bottom:16px;left:16px;box-shadow:0 10px 30px #00000080}.runbar-top{border-bottom:1px solid var(--border-soft);align-items:center;gap:8px;padding:8px 11px;font-size:12.5px;display:flex}.run-dot{color:var(--good);animation:1.2s infinite pulse}@keyframes pulse{50%{opacity:.3}}.runbar-serial{color:#9fe0b4;max-height:130px;padding:8px 11px;font-family:Consolas,Roboto Mono,monospace;font-size:11.5px;line-height:1.55;overflow-y:auto}.code-modal{background:var(--bg-panel);border:1px solid var(--border);border-radius:14px;flex-direction:column;width:680px;max-width:92vw;max-height:86vh;padding:18px 20px;display:flex;box-shadow:0 20px 60px #00000080}.code-pre{background:var(--bg);border:1px solid var(--border);color:#cfe3d6;white-space:pre;border-radius:8px;flex:1;margin:0;padding:14px;font-family:SF Mono,Consolas,Roboto Mono,monospace;font-size:12px;line-height:1.55;overflow:auto}.tut{background:var(--bg-panel);border:1px solid var(--border);border-radius:14px;width:860px;max-width:94vw;height:560px;max-height:88vh;display:flex;overflow:hidden;box-shadow:0 20px 60px #00000080}.tut-menu{border-right:1px solid var(--border);background:var(--bg);flex:none;width:268px;padding:14px 10px;overflow-y:auto}.tut-head{padding:0 6px;font-size:16px;font-weight:700}.tut-sub{color:var(--text-dim);padding:3px 6px 10px;font-size:11px}.tut-level{text-transform:uppercase;letter-spacing:.5px;margin:12px 6px 5px;font-size:10.5px;font-weight:700}.tut-item{text-align:left;width:100%;color:var(--text);background:0 0;border:1px solid #0000;border-radius:7px;align-items:center;gap:8px;padding:7px 8px;font-size:12.5px;display:flex}.tut-item:hover{background:var(--bg-elev)}.tut-item.active{background:var(--bg-elev);border-color:var(--border)}.tut-ico{text-align:center;flex:none;width:20px;font-size:15px}.tut-t{flex:1;line-height:1.25}.tut-done{color:var(--good);font-weight:700}.tut-content{flex-direction:column;flex:1;min-width:0;padding:20px 22px;display:flex}.tut-c-head{align-items:center;margin-bottom:12px;display:flex}.tut-badge{border-radius:20px;padding:3px 10px;font-size:11px;font-weight:600}.tut-c-head>button{margin-left:auto}.tut-title{margin-bottom:4px;font-size:20px;font-weight:700}.tut-summary{color:var(--text-dim);margin-bottom:18px;font-size:13px}.tut-step{flex:1;font-size:14.5px;line-height:1.85}.tut-step b{color:var(--accent)}.tut-foot{border-top:1px solid var(--border-soft);align-items:center;gap:8px;margin-top:16px;padding-top:14px;display:flex}.tut-count{color:var(--text-faint);font-size:12px}.tut-pill{z-index:45;background:var(--bg-elev);border:1px solid var(--accent);border-radius:30px;align-items:center;gap:10px;padding:7px 9px 7px 15px;font-size:12.5px;display:flex;position:fixed;bottom:16px;left:16px;box-shadow:0 8px 24px #00000073}.erc-card,.drc-card{z-index:8;background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;flex-direction:column;width:320px;max-height:60%;display:flex;position:absolute;bottom:36px;right:16px;box-shadow:0 10px 30px #00000073}.erc-head{border-bottom:1px solid var(--border-soft);justify-content:space-between;align-items:center;padding:9px 11px;font-size:12px;display:flex}.erc-body{padding:6px;overflow-y:auto}.erc-row{border-radius:6px;align-items:flex-start;gap:8px;padding:6px 8px;font-size:12px;line-height:1.4;display:flex}.erc-row:hover{background:var(--bg-elev)}.erc-row.error{color:#ffb4ad}.erc-row.warn{color:#e8c97a}.erc-row.ok{color:var(--good)}.erc-dot{flex:none}.sim-panel{z-index:7;border:1px solid var(--border);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#151b24f0;border-radius:10px;width:250px;max-height:calc(100% - 80px);padding:10px 11px;position:absolute;top:56px;right:12px;overflow-y:auto}.sim-sec{text-transform:uppercase;letter-spacing:.5px;color:var(--text-faint);margin:4px 0 7px;font-size:10.5px}.sim-sec:not(:first-child){border-top:1px solid var(--border-soft);margin-top:13px;padding-top:11px}.sim-row{align-items:center;gap:8px;margin-bottom:7px;display:flex}.sim-lbl{flex:1;font-size:12px}.sim-val{color:var(--text-dim);font-variant-numeric:tabular-nums;font-size:11.5px}.sim-muted{color:var(--text-faint);font-size:11.5px}.sim-ctl{align-items:center;gap:6px;display:flex}.sim-ctl input[type=range]{width:96px;accent-color:var(--accent)}.sim-seg{border:1px solid var(--border);border-radius:6px;display:flex;overflow:hidden}.sim-seg button{background:var(--bg);color:var(--text-dim);border:none;padding:3px 10px;font-size:11px}.sim-seg button.on{background:var(--accent);color:#1a1206;font-weight:600}.sim-press{background:var(--bg-elev);border:1px solid var(--border);color:var(--text);-webkit-user-select:none;user-select:none;border-radius:6px;padding:4px 12px;font-size:11px}.sim-press.down{background:var(--accent);color:#1a1206}.sim-warn{color:#e8c97a;margin:5px 0;font-size:11px;line-height:1.4}.scope{z-index:8;border:1px solid var(--border);background:#0d1117f5;border-radius:10px;flex-direction:column;height:210px;display:flex;position:absolute;bottom:32px;left:10px;right:270px;box-shadow:0 10px 30px #00000080}.scope-bar{border-bottom:1px solid var(--border-soft);align-items:center;gap:9px;padding:7px 10px;font-size:12px;display:flex}.scope-bar select{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:5px;padding:2px 5px}.scope-bar input[type=range]{accent-color:var(--accent)}.scope-leg{font-size:11px}.scope-meas{border-bottom:1px solid var(--border-soft);background:#00000026;flex-wrap:wrap;gap:12px;padding:5px 10px;font-size:11px;display:flex}.scope-meas b{font-variant-numeric:tabular-nums}.scope-canvas{flex:1;width:100%}