:root{--bg:#f4f1ea;--surface:#e6e2d9;--fg:#1a1a2e;--muted:#6b6560;--border:#d1ccc0;--primary:#003da5;--copper:#b87333;--accent:#fc0;--danger:#c0392b;--grid:#d1ccc0;--font-display:"Syne", system-ui, sans-serif;--font-body:"Atkinson Hyperlegible", system-ui, sans-serif;--font-mono:"Courier New", monospace;--radius:8px;--shadow:0 2px 12px #0000001a}.dark{--bg:#0f1417;--surface:#1c2328;--fg:#e0e3e5;--muted:#8a9299;--border:#2a3034;--grid:#2a3034;--primary:#4d80d4;--copper:#d4944a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:var(--bg);color:var(--fg);min-height:100vh;transition:background .25s,color .25s}body:before{content:"";pointer-events:none;z-index:0;background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);opacity:.45;background-size:20px 20px;position:fixed;inset:0}#root{z-index:1;position:relative}.app-header{background:var(--surface);border-bottom:1.5px solid var(--border);z-index:100;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:14px 28px;display:flex;position:sticky;top:0}.header-left{align-items:center;gap:14px;display:flex}.header-badge{background:var(--primary);color:#fff;font-family:var(--font-mono);letter-spacing:1px;border-radius:4px;padding:4px 8px;font-size:11px;font-weight:700}.header-title{font-family:var(--font-display);color:var(--fg);font-size:18px;font-weight:700;line-height:1.2}.header-sub{color:var(--muted);font-size:12px;font-family:var(--font-mono);margin-top:2px}.header-actions{align-items:center;gap:8px;display:flex}.tab-btn{font-family:var(--font-body);border-radius:var(--radius);border:1.5px solid var(--border);color:var(--muted);cursor:pointer;background:0 0;padding:7px 16px;font-size:13px;font-weight:600;transition:all .15s}.tab-btn.active,.tab-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.icon-btn{border:1.5px solid var(--border);border-radius:var(--radius);cursor:pointer;background:0 0;padding:6px 10px;font-size:16px;transition:border-color .15s}.icon-btn:hover{border-color:var(--primary)}.app-main{min-height:calc(100vh - 130px);padding:24px 28px}.schema-layout{grid-template-columns:1fr 320px;align-items:start;gap:24px;display:grid}@media (width<=900px){.schema-layout{grid-template-columns:1fr}.sidebar{order:-1}}.diagram-area{background:var(--surface);border:1.5px solid var(--border);box-shadow:var(--shadow);border-radius:12px;flex-direction:column;align-items:center;min-height:500px;padding:24px;display:flex}.sidebar{background:var(--surface);border:1.5px solid var(--border);box-shadow:var(--shadow);border-radius:12px;min-height:200px;padding:20px}.pulse-bar{background:var(--primary);color:#fff;font-family:var(--font-mono);z-index:200;align-items:center;gap:12px;padding:8px 28px;font-size:12px;display:flex;position:fixed;bottom:0;left:0;right:0}.pulse-dot{background:var(--accent);border-radius:50%;flex-shrink:0;width:8px;height:8px;animation:1s step-start infinite blink}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.pulse-sep{opacity:.5}.circuit-wrapper{justify-content:center;width:100%;display:flex}.circuit-wrapper svg text{-webkit-user-select:none;user-select:none}.panel-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:10px;min-height:200px;padding:24px;display:flex}.panel-empty-icon{color:var(--border);font-size:36px;line-height:1}.panel-empty-title{font-family:var(--font-display);color:var(--muted);font-size:14px;font-weight:600}.panel-empty-sub{color:var(--muted);font-size:12px;font-style:italic;line-height:1.5}.panel{flex-direction:column;gap:12px;display:flex}.panel-header{align-items:flex-start;gap:10px;display:flex}.panel-icon{flex-shrink:0;margin-top:2px;font-size:22px;line-height:1}.panel-ref{font-family:var(--font-mono);color:var(--primary);letter-spacing:1px;text-transform:uppercase;font-size:11px;font-weight:700}.panel-label{font-family:var(--font-display);color:var(--fg);font-size:15px;font-weight:700;line-height:1.2}.panel-close{border:1.5px solid var(--border);color:var(--muted);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;margin-left:auto;padding:3px 8px;font-size:12px;transition:all .15s}.panel-close:hover{border-color:var(--danger);color:var(--danger)}.panel-type{color:var(--muted);font-size:11px;font-style:italic}.panel-value{font-family:var(--font-mono);color:var(--primary);border-left:3px solid var(--accent);padding-left:10px;font-size:18px;font-weight:700}.panel-note{color:var(--fg);background:var(--bg);border:1px solid var(--border);border-radius:6px;gap:8px;padding:10px 12px;font-size:12px;line-height:1.55;display:flex}.note-icon{color:var(--primary);flex-shrink:0;font-size:13px;font-weight:700}.panel-specs{border-collapse:collapse;width:100%;font-size:12px}.panel-specs tr{border-bottom:1px solid var(--border)}.panel-specs tr:last-child{border-bottom:none}.spec-key{color:var(--muted);font-family:var(--font-body);width:55%;padding:7px 0}.spec-val{font-family:var(--font-mono);color:var(--fg);text-align:right;padding:7px 0;font-weight:700}.bom{max-width:1100px;margin:0 auto}.bom-title{font-family:var(--font-display);color:var(--fg);margin-bottom:4px;font-size:22px;font-weight:700}.bom-sub{color:var(--muted);font-size:13px;font-family:var(--font-mono);margin-bottom:20px}.bom-table-wrap{border:1.5px solid var(--border);box-shadow:var(--shadow);border-radius:10px;overflow-x:auto}.bom-table{border-collapse:collapse;background:var(--surface);width:100%;font-size:13px}.bom-table thead tr{background:var(--primary);color:#fff}.bom-table th{font-family:var(--font-display);text-align:left;letter-spacing:.5px;text-transform:uppercase;padding:12px 16px;font-size:12px;font-weight:700}.bom-row{border-bottom:1px solid var(--border);cursor:pointer;transition:background .12s}.bom-row:last-child{border-bottom:none}.bom-row:hover{background:#003da512}.bom-row td{vertical-align:top;padding:11px 16px}.bom-ref{font-family:var(--font-mono);color:var(--primary);white-space:nowrap;font-size:13px;font-weight:700}.bom-label{font-family:var(--font-body);color:var(--fg);font-weight:700}.bom-val{font-family:var(--font-mono);color:var(--fg);white-space:nowrap;font-size:12px}.bom-type{color:var(--muted);font-size:11px;font-style:italic}.bom-note-cell{color:var(--muted);max-width:300px;font-size:11px;line-height:1.5}.bom-footer{color:var(--muted);justify-content:space-between;align-items:center;margin-top:14px;font-size:12px;font-style:italic;display:flex}.bom-badge{background:var(--primary);color:#fff;font-family:var(--font-mono);border-radius:20px;padding:3px 10px;font-size:11px;font-style:normal;font-weight:700}