@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--font-sans:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace}:root,[data-theme=dark]{--bg-app:#080b11;--bg-topbar:#0e131f;--bg-panel:#111726;--bg-panel-secondary:#0b0f19;--bg-card:#151d2e;--bg-card-hover:#1c273e;--bg-active:#23314e;--bg-input:#0b0e17;--border-subtle:#192236;--border-strong:#23314e;--border-focus:#06b6d4;--text-main:#f1f5f9;--text-muted:#94a3b8;--text-dim:#64748b;--accent-cyan:#06b6d4;--accent-cyan-hover:#0891b2;--accent-cyan-bg:#06b6d41f;--accent-amber:#f59e0b;--accent-emerald:#10b981;--accent-rose:#f43f5e;--grid-dot:#94a3b82e;--grid-line:#94a3b814;--wire-default:#06b6d4;--pin-default:#38bdf8;--comp-stroke:#e2e8f0}[data-theme=light]{--bg-app:#f8fafc;--bg-topbar:#fff;--bg-panel:#fff;--bg-panel-secondary:#f1f5f9;--bg-card:#fff;--bg-card-hover:#f8fafc;--bg-active:#e2e8f0;--bg-input:#fff;--border-subtle:#e2e8f0;--border-strong:#cbd5e1;--border-focus:#0284c7;--text-main:#0f172a;--text-muted:#475569;--text-dim:#94a3b8;--accent-cyan:#0284c7;--accent-cyan-hover:#0369a1;--accent-cyan-bg:#0284c71a;--accent-amber:#d97706;--accent-emerald:#059669;--accent-rose:#e11d48;--grid-dot:#0f172a26;--grid-line:#0f172a12;--wire-default:#0284c7;--pin-default:#0369a1;--comp-stroke:#1e293b}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;margin:0;padding:0}html,body{background-color:var(--bg-app);width:100%;height:100%;color:var(--text-main);font-family:var(--font-sans);-webkit-user-select:none;user-select:none;font-size:13px;line-height:1.5;overflow:hidden}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}.font-mono{font-variant-numeric:tabular-nums;font-family:var(--font-mono)!important}#app-root{background-color:var(--bg-app);flex-direction:column;width:100vw;height:100vh;display:flex;overflow:hidden}.app-topbar{background-color:var(--bg-topbar);border-bottom:1px solid var(--border-subtle);z-index:100;justify-content:space-between;align-items:center;gap:16px;height:44px;min-height:44px;padding:0 12px;display:flex}.topbar-left{align-items:center;gap:20px;display:flex}.brand-lockup{white-space:nowrap;align-items:center;gap:8px;display:flex}.brand-title{letter-spacing:-.01em;color:var(--text-main);font-size:14px;font-weight:700}.brand-ver{color:var(--accent-cyan);background-color:var(--accent-cyan-bg);border-radius:4px;padding:1px 5px;font-size:11px;font-weight:600}.desktop-menu-bar{align-items:center;gap:4px;display:flex}.menu-item-wrapper{position:relative}.menu-trigger-btn{color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:4px;padding:5px 9px;font-size:12px;font-weight:500;transition:all .15s}.menu-trigger-btn:hover,.menu-item-wrapper.is-open .menu-trigger-btn{color:var(--text-main);background-color:var(--bg-card-hover)}.menu-dropdown{background-color:var(--bg-panel);border:1px solid var(--border-subtle);z-index:200;border-radius:6px;min-width:220px;margin-top:4px;padding:4px;display:none;position:absolute;top:100%;left:0;box-shadow:0 10px 25px #0006}.menu-item-wrapper.is-open .menu-dropdown{display:block}.menu-action{width:100%;color:var(--text-main);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:space-between;align-items:center;padding:6px 10px;font-size:12px;transition:background-color .12s;display:flex}.menu-action:hover{background-color:var(--bg-card-hover);color:var(--accent-cyan)}.menu-shortcut{color:var(--text-dim);font-size:11px;font-family:var(--font-mono)}.menu-submenu-title{color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;padding:6px 10px 2px;font-size:10px;font-weight:600}.menu-divider{background-color:var(--border-subtle);height:1px;margin:4px 0}.topbar-actions{align-items:center;gap:6px;display:flex}.topbar-divider{background-color:var(--border-subtle);width:1px;height:20px;margin:0 4px}.btn-group{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);border-radius:5px;align-items:center;gap:2px;padding:2px;display:flex}.topbar-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;align-items:center;gap:5px;padding:4px 7px;font-size:11px;font-weight:500;transition:all .15s;display:flex}.topbar-btn:hover:not(:disabled){color:var(--text-main);background-color:var(--bg-card-hover)}.topbar-btn.is-active{color:var(--accent-cyan);background-color:var(--accent-cyan-bg)}.topbar-btn:disabled{opacity:.35;cursor:not-allowed}.topbar-select{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);color:var(--text-main);cursor:pointer;border-radius:5px;outline:none;max-width:220px;padding:4px 8px;font-size:11px}.topbar-select:hover{border-color:var(--border-strong)}.theme-toggle-btn{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);border-radius:5px;padding:4px 9px}.app-workspace{flex:1;width:100%;height:calc(100vh - 44px);display:flex;position:relative;overflow:hidden}#panel-library-container{background-color:var(--bg-panel);border-right:1px solid var(--border-subtle);z-index:20;flex-direction:column;width:280px;min-width:280px;max-width:280px;height:100%;transition:width .22s cubic-bezier(.4,0,.2,1),min-width .22s cubic-bezier(.4,0,.2,1),max-width .22s cubic-bezier(.4,0,.2,1),opacity .15s;display:flex;overflow:hidden}#panel-library-container.is-collapsed{opacity:0!important;pointer-events:none!important;border-right:none!important;width:0!important;min-width:0!important;max-width:0!important}.library-reopen-pill{z-index:25;background-color:var(--bg-panel);border:1px solid var(--border-subtle);letter-spacing:.04em;color:var(--text-main);cursor:pointer;border-radius:6px;align-items:center;gap:6px;padding:6px 12px;font-size:11px;font-weight:700;transition:all .15s;display:flex;position:absolute;top:10px;left:10px;box-shadow:0 4px 14px #00000059}.library-reopen-pill:hover{background-color:var(--bg-card-hover);border-color:var(--accent-cyan);color:var(--accent-cyan);transform:translate(2px)}.panel-header-actions{align-items:center;gap:6px;display:flex}.panel-header-icon-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;transition:all .12s;display:flex}.panel-header-icon-btn:hover{color:var(--text-main);background-color:var(--bg-card-hover)}.library-panel{flex-direction:column;height:100%;display:flex;overflow:hidden}.panel-header{border-bottom:1px solid var(--border-subtle);background-color:var(--bg-panel);justify-content:space-between;align-items:center;height:38px;min-height:38px;padding:0 12px;display:flex}.panel-header-title{letter-spacing:.05em;color:var(--text-muted);align-items:center;gap:7px;font-size:11px;font-weight:700;display:flex}.panel-icon{color:var(--accent-cyan)}.panel-header-badge{color:var(--text-dim);font-size:11px;font-family:var(--font-mono)}.library-search-box{border-bottom:1px solid var(--border-subtle);align-items:center;padding:8px 12px;display:flex;position:relative}.library-search-box input{background-color:var(--bg-input);border:1px solid var(--border-subtle);width:100%;color:var(--text-main);border-radius:5px;outline:none;padding:5px 24px 5px 28px;font-size:11px;transition:border-color .15s}.library-search-box input:focus{border-color:var(--accent-cyan)}.library-search-box .search-icon{color:var(--text-dim);pointer-events:none;position:absolute;left:20px}.search-clear-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;font-size:14px;position:absolute;right:20px}.library-categories-container{flex:1;padding:6px 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12px;font-size:11px}.canvas-wrapper{background-color:var(--bg-app);flex-direction:column;flex:1;height:100%;display:flex;position:relative;overflow:hidden}.canvas-viewport{outline:none;flex:1;width:100%;height:100%;position:relative;overflow:hidden}.canvas-svg{cursor:default;width:100%;height:100%;display:block}.grid-dot-fill{fill:var(--grid-dot)}.grid-line-stroke{stroke:var(--grid-line)}.component-group{cursor:move;transition:opacity .1s}.comp-hitbox{cursor:move}.comp-symbol-vector{color:var(--comp-stroke)}.comp-selected .comp-symbol-vector{color:var(--accent-cyan)}.comp-node-group .comp-hitbox{cursor:grab}.comp-node-group:active .comp-hitbox{cursor:grabbing}.node-selected-halo{animation:2s ease-in-out infinite nodeHaloPulse}@keyframes nodeHaloPulse{0%,to{r:10px;opacity:.8}50%{r:13px;opacity:1}}.selection-node circle{filter:drop-shadow(0 0 4px #f59e0bb3)}.comp-labels text{font-family:var(--font-mono);-webkit-user-select:none;user-select:none}.comp-label-name{fill:var(--text-main);font-size:11px;font-weight:700}.comp-label-val{fill:var(--accent-cyan);font-size:10px;font-weight:500}.pin-point{fill:#0f172a;stroke:var(--accent-cyan,#06b6d4);stroke-width:1.8px;cursor:crosshair;transition:all .15s}.pin-hover,.pin-point:hover{fill:var(--accent-cyan,#06b6d4);stroke:#fff;stroke-width:2.2px;r:5;filter:drop-shadow(0 0 3px #06b6d4cc)}.wire-hitbox{cursor:pointer}.wire-path{pointer-events:none;transition:stroke-width .15s}.wire-selected{filter:drop-shadow(0 0 3px #f59e0b99);stroke:var(--accent-amber)!important;stroke-width:3.5px!important}.preview-wire,.wire-crossing-group{pointer-events:none}.wire-crossing-bridge{pointer-events:none;filter:drop-shadow(0 0 2px #06b6d466)}.junction-dot{pointer-events:none;filter:drop-shadow(0 0 2px #06b6d499);transition:r .15s}.canvas-hud{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--border-subtle);font-size:10px;font-family:var(--font-mono);color:var(--text-muted);pointer-events:none;z-index:10;background-color:#0e131fbf;border-radius:5px;align-items:center;gap:7px;padding:4px 9px;display:flex;position:absolute;bottom:12px;left:12px}.hud-sep{color:var(--text-dim)}#panel-properties-container{background-color:var(--bg-panel);border-left:1px solid var(--border-subtle);z-index:20;flex-direction:column;width:300px;min-width:300px;max-width:300px;height:100%;display:flex;overflow:hidden}.properties-panel{flex-direction:column;height:100%;display:flex;overflow:hidden}.properties-content{flex:1;padding:12px;overflow-y:auto}.prop-comp-header{border-bottom:1px solid var(--border-subtle);align-items:center;gap:12px;margin-bottom:12px;padding-bottom:12px;display:flex}.prop-symbol-preview{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);width:54px;height:54px;color:var(--comp-stroke);border-radius:6px;justify-content:center;align-items:center;display:flex}.prop-comp-meta{flex:1}.prop-comp-type{color:var(--text-main);font-size:13px;font-weight:700;line-height:1.3}.prop-comp-desc{color:var(--text-dim);margin-top:2px;font-size:11px;line-height:1.3}.prop-section{margin-bottom:16px}.prop-section-title{color:var(--text-dim);letter-spacing:.05em;margin-bottom:8px;font-size:10px;font-weight:700}.prop-field{margin-bottom:9px}.prop-label{color:var(--text-muted);margin-bottom:3px;font-size:11px;display:block}.prop-input,.prop-select{background-color:var(--bg-input);border:1px solid var(--border-subtle);width:100%;color:var(--text-main);border-radius:4px;outline:none;padding:5px 8px;font-size:12px;transition:border-color .15s}.prop-input:focus,.prop-select:focus{border-color:var(--accent-cyan)}.prop-input-unit-group{align-items:center;gap:6px;display:flex}.prop-input-unit-group input{flex:1}.prop-unit{font-size:11px;font-family:var(--font-mono);color:var(--text-dim);min-width:30px}.prop-read-value{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);color:var(--accent-cyan);border-radius:4px;padding:5px 8px;font-size:11px}.prop-row-split{grid-template-columns:1fr;gap:8px;display:grid}.prop-btn-secondary{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);width:100%;color:var(--text-main);cursor:pointer;border-radius:4px;justify-content:center;align-items:center;gap:6px;padding:6px 10px;font-size:11px;font-weight:500;transition:all .15s;display:flex}.prop-btn-secondary:hover{background-color:var(--bg-card-hover);border-color:var(--border-strong)}.prop-btn-danger{width:100%;color:var(--accent-rose);cursor:pointer;background-color:#f43f5e1a;border:1px solid #f43f5e4d;border-radius:4px;justify-content:center;align-items:center;gap:6px;padding:6px 10px;font-size:11px;font-weight:600;transition:all .15s;display:flex}.prop-btn-danger:hover{border-color:var(--accent-rose);background-color:#f43f5e33}.prop-pins-table{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);border-radius:5px;overflow:hidden}.prop-pin-row{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:5px 8px;font-size:11px;display:flex}.prop-pin-row:last-child{border-bottom:none}.pin-badge{font-family:var(--font-mono);color:var(--text-main);font-weight:600}.pin-net-name{font-family:var(--font-mono);font-size:10px}.pin-connected{color:var(--accent-cyan)}.pin-floating{color:var(--accent-amber)}.prop-formulas-list{flex-direction:column;gap:8px;display:flex}.prop-formula-card{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);border-radius:6px;padding:8px 10px;transition:border-color .15s}.prop-formula-card:hover{border-color:#06b6d459}.prop-formula-card .formula-name{color:var(--text-muted);margin-bottom:4px;font-size:11px;font-weight:600}.prop-formula-card .formula-eq{color:var(--accent-cyan);align-items:center;padding:2px 0;font-size:13px;display:flex;overflow:auto hidden}.prop-formula-card .formula-eq .katex-display{text-align:left;margin:2px 0!important}.prop-formula-card .formula-eq .katex{font-size:1.05em;color:var(--accent-cyan)!important}.prop-color-picker{gap:8px;padding:4px 0;display:flex}.color-dot-btn{cursor:pointer;border:2px solid #0000;border-radius:50%;width:22px;height:22px;transition:transform .15s}.color-dot-btn:hover{transform:scale(1.15)}.color-dot-btn.is-active{border-color:#fff}.prop-stats-grid{grid-template-columns:repeat(2,1fr);gap:6px;display:grid}.prop-stat-box{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);text-align:center;border-radius:5px;padding:8px}.prop-stat-num{font-size:16px;font-weight:700;font-family:var(--font-mono);color:var(--text-main)}.prop-stat-label{color:var(--text-dim);font-size:10px}.prop-actions-stack{flex-direction:column;gap:6px;display:flex}.prop-shortcuts-list{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);border-radius:5px;flex-direction:column;gap:4px;padding:6px 8px;display:flex}.shortcut-row{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:11px;display:flex}.kbd{background-color:var(--bg-card);border:1px solid var(--border-subtle);font-size:10px;font-family:var(--font-mono);color:var(--text-main);border-radius:3px;padding:1px 4px}#panel-bottom-container{z-index:30;border-top:1px solid var(--border-subtle);background-color:var(--bg-panel);width:100%;position:absolute;bottom:0;left:0;right:0;box-shadow:0 -4px 20px #00000040}.bottom-panel{flex-direction:column;width:100%;display:flex}.bottom-panel-header{background-color:var(--bg-panel-secondary);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;height:36px;min-height:36px;padding:0 14px;display:flex}.bottom-panel-tabs{align-items:center;gap:2px;display:flex}.bottom-tab-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;align-items:center;gap:6px;padding:6px 12px;font-size:11px;font-weight:600;transition:all .15s;display:flex}.bottom-tab-btn:hover{color:var(--text-main);background-color:var(--bg-card-hover)}.bottom-tab-btn.is-active{color:var(--accent-cyan);background-color:var(--bg-panel);border-bottom:2px solid var(--accent-cyan);border-radius:4px 4px 0 0}.erc-badge{background-color:var(--border-subtle);color:var(--text-dim);font-size:9px;font-family:var(--font-mono);border-radius:10px;padding:0 5px}.erc-badge-active{background-color:var(--accent-amber);color:#000;font-weight:700}.bottom-panel-controls{align-items:center;gap:12px;display:flex}.bottom-status-indicator{color:var(--text-dim);font-size:11px;font-family:var(--font-mono)}.bottom-icon-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;display:flex}.bottom-icon-btn:hover{color:var(--text-main);background-color:var(--bg-card-hover)}.bottom-panel-body{background-color:var(--bg-panel);height:250px;min-height:200px;max-height:48vh;overflow:hidden auto}.bottom-tab-content{padding:16px 20px}.formulas-header-note{color:var(--text-muted);margin-bottom:10px;font-size:11px}.formulas-grid{grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:14px;display:grid}.formula-card{background-color:var(--bg-panel-secondary);border:1px solid var(--border-subtle);border-radius:6px;flex-direction:column;gap:6px;padding:14px;display:flex;box-shadow:0 2px 4px #00000026}.formula-card-top{flex-direction:column;margin-bottom:2px;display:flex}.formula-card-cat{text-transform:uppercase;color:var(--accent-cyan);letter-spacing:.06em;font-size:10px;font-weight:700}.formula-card-title{color:var(--text-main);font-size:13px;font-weight:700}.formula-subhead{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-top:4px;font-size:10.5px;font-weight:600}.formula-math-render{color:var(--text-main);background-color:var(--bg-input);border:1px solid var(--border-subtle);border-radius:4px;justify-content:center;align-items:center;padding:8px 12px;font-size:14px;display:flex;overflow-x:auto}.formula-subst-render{color:var(--accent-amber);background-color:#f59e0b0f;border:1px dashed #f59e0b4d;border-radius:4px;justify-content:center;align-items:center;padding:8px 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