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#e8e4da;justify-content:flex-start;gap:12px}.legend-line{vertical-align:middle;background:#d99532;width:18px;height:2px;margin-right:5px;display:inline-block}.legend-line.gray{background:#aaa}.source-note{color:#ae9a7c;margin-left:auto}.mapping-strip{background:#ebe7de;border-radius:4px;justify-content:space-between;align-items:center;margin-top:12px;padding:11px 14px;font-size:11px;display:flex}.mapping-strip strong{margin-bottom:4px;font-size:11px;display:block}.mapping-strip span{color:#8b887f}.mapping-status{background:#dbeee3;border-radius:3px;padding:4px 7px;color:#347553!important}.empty-sheet{background:var(--paper-2);border:1px solid var(--line);border-radius:5px;flex-direction:column;justify-content:center;align-items:flex-start;min-height:390px;padding:50px;display:flex}.sheet-large{color:#d9d3c7;font:64px Georgia}.empty-sheet h3{margin:10px 0 4px;font-size:22px}.empty-sheet p{color:#7d837f;max-width:390px;font-size:13px;line-height:1.6}.primary-button{background:var(--amber);border:0;border-radius:4px;padding:10px 15px;font-size:12px;font-weight:700}.inspector{border-left:1px solid var(--line);background:#fbfaf7;flex-direction:column;padding:25px 19px;display:flex}.inspector-head{justify-content:space-between;display:flex}.inspector-head h3{margin:6px 0 0;font-size:16px}.inspector-head>svg{color:#8b948f;width:17px}.inspector-tabs{border-bottom:1px solid var(--line);gap:18px;margin:23px 0 18px;display:flex}.tab{color:#989b94;background:0 0;border:0;padding:0 0 9px;font-size:11px}.tab.active{color:var(--ink);border-bottom:2px solid var(--amber)}.field-block{margin-bottom:19px}.field-block label{color:#8a8c84;text-transform:uppercase;letter-spacing:.1em;margin-bottom:7px;font-size:10px;font-weight:700;display:block}.readonly-field,.value-input{background:#f4f1ea;border:1px solid #d7d3ca;border-radius:4px;justify-content:space-between;padding:10px 11px;font-size:13px;display:flex}.readonly-field span{color:#aaa69c;font-size:10px}.value-input{background:#fff}.value-input input{width:100%;color:var(--ink);background:0 0;border:0;outline:0;font-weight:600}.value-input span{color:#a09e94;font-size:12px}.range{width:100%;accent-color:var(--amber);margin:13px 0 0}.range-caption{color:#aaa69c;justify-content:space-between;font-size:9px;display:flex}.selection-hint{color:#9a743c;background:#fcf4e7;border:1px solid #e9dcc6;border-radius:4px;gap:7px;padding:10px;font-size:10px;line-height:1.45;display:flex}.selection-hint svg{flex:none;width:13px}.inspector-bottom{border-top:1px solid var(--line);margin-top:auto;padding-top:15px}.reset-button{color:#777c76;background:0 0;border:0;align-items:center;gap:6px;padding:0;font-size:11px;display:flex}.inspector-bottom>span{color:#aaa69c;margin-top:10px;font-size:9px;display:block}.lab-panel{background:#ece9e2;border-bottom:1px solid #d5d1c8;padding:29px 32px 27px}.lab-header{justify-content:space-between;align-items:flex-end;margin-bottom:18px;display:flex}.lab-header h2{margin:6px 0 3px;font-size:21px}.lab-header p{color:#858a84;margin:0;font-size:12px}.circuit-switcher{background:#dedbd3;border-radius:5px;gap:2px;padding:3px;display:flex}.circuit-option{color:#7d837d;background:0 0;border:0;border-radius:3px;padding:7px 11px;font-size:11px}.circuit-option span{color:#aaa69d;margin-top:3px;font-size:9px;display:block}.circuit-option.active{color:var(--ink);background:#faf9f5;box-shadow:0 1px 3px #5551}.lab-grid{grid-template-columns:minmax(450px,1.4fr) minmax(300px,1fr);gap:15px;display:grid}.circuit-card,.results-card{background:#fbfaf7;border:1px solid #dcd8cf;border-radius:5px}.circuit-card-top,.result-title{color:#92938d;letter-spacing:.09em;border-bottom:1px solid #e6e2d9;justify-content:space-between;padding:12px 15px;font-size:9px;display:flex}.circuit-card-top b{color:var(--amber);margin-left:5px;font-size:14px}.circuit-svg{width:100%;height:205px;display:block}.svg-label{fill:#495c62;font:12px monospace}.source-plus{fill:#bd7e22;font-weight:700}.source-minus{fill:#7b807b;font-weight:700}.current-label{fill:#bd7e22;font:11px monospace}.component-pills{border-top:1px solid #e6e2d9;gap:7px;padding:11px;display:flex}.component-pill{text-align:left;background:#f4f1ea;border:1px solid #e0ddd4;border-radius:4px;flex:1;align-items:center;gap:7px;padding:7px 9px;display:flex}.component-pill.selected{border-color:var(--amber);background:#fff8ed}.pill-symbol{color:#347553;background:#dbeee3;border-radius:3px;place-items:center;width:23px;height:23px;font-weight:700;display:grid}.pill-symbol.resistor{color:#b27621;background:#f5e3c7;font-size:16px}.component-pill b,.component-pill small{display:block}.component-pill b{font-size:11px}.component-pill small{color:#858b84;margin-top:2px;font-size:9px}.result-title{color:#858b84}.valid-badge{color:#347553;letter-spacing:0;background:#e2f0e8;border-radius:3px;padding:3px 6px}.hero-result{border-bottom:1px solid #e6e2d9;padding:17px 16px 14px}.hero-result span{color:#8b8d85;font-size:11px;display:block}.hero-result strong{letter-spacing:-.04em;margin:4px 0;font-size:29px;display:block}.hero-result strong small{color:#858b84;font-size:14px}.hero-result em{color:#af7a2c;font-size:10px;font-style:normal}.metric-grid{border-bottom:1px solid #e6e2d9;grid-template-columns:1fr 1fr;gap:14px;padding:13px 16px;display:grid}.metric-grid span,.metric-grid b{display:block}.metric-grid span{color:#969891;font-size:10px}.metric-grid b{margin-top:4px;font-size:13px}.formula{color:#68736f;padding:13px 16px;font-family:monospace;font-size:10px}.formula-head{color:#969891;letter-spacing:.1em;justify-content:space-between;font-family:Arial;font-size:9px;display:flex}.formula p{margin:9px 0 0}.formula-result{color:#b2731f}.assumption{color:#929087;background:#f2eee5;margin:0 16px 15px;padding:9px;font-size:9px;line-height:1.45}.invalid{color:#a34e3e;background:#f8e6df;gap:7px;margin:15px;padding:13px;font-size:11px;display:flex}.footer-note{color:#92948c;background:#f4f1ea;gap:25px;padding:12px 32px;font-size:10px;display:flex}.footer-note b{color:#b27621}.footer-links{margin-left:auto}.footer-links button{color:#9b6e29;background:0 0;border:0;padding:0;font-size:10px}@media (max-width:1050px){.workspace{grid-template-columns:210px minmax(420px,1fr)}.inspector{border-left:0;border-top:1px solid var(--line);grid-column:1/-1;grid-template-columns:1fr 1fr;gap:14px;display:grid}.inspector-head,.inspector-tabs,.inspector-bottom{grid-column:1/-1}.inspector-bottom{margin-top:0}.lab-grid{grid-template-columns:1fr}.footer-note{flex-wrap:wrap}.footer-links{margin-left:0}}@media (max-width:700px){.topbar{padding:0 16px}.saved{display:none}.workspace{flex-direction:column;display:flex}.sidebar{order:2}.canvas-area{padding:20px 14px}.inspector{order:3;padding:18px 14px;display:block}.inspector-tabs{margin:16px 0}.lab-panel{padding:23px 14px}.lab-header{display:block}.circuit-switcher{margin-top:16px;overflow:auto}.circuit-option{white-space:nowrap}.circuit-svg{height:175px}.component-pills{flex-wrap:wrap}.component-pill{min-width:130px}.footer-note{padding:12px 14px;line-height:1.8;display:block}.footer-note span{display:block}.floorplan{height:230px}.top-actions .ghost-button{padding:7px}.brand h1{font-size:14px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}