@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=IBM+Plex+Mono:wght@400;450;500&display=swap');
:root{color-scheme:dark;--bg:#101923;--panel:#15212d;--raised:#1c2b38;--line:#2a3945;--text:#e8eef3;--muted:#91a3b3;--mint:#a0ebc5;--gold:#eed99b;--mono:'IBM Plex Mono',monospace;--sans:'DM Sans',system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:14px}button,input,select{font:inherit}button{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;color:inherit;background:transparent}button:disabled{opacity:.3;cursor:default}button,input,select,a{outline-offset:4px}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--mint)}button:not(:disabled):hover{filter:brightness(1.15)}svg.icon{width:18px;height:18px;display:block;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}.app-header{height:78px;padding:0 28px;display:flex;align-items:center;gap:48px;border-bottom:1px solid var(--line)}.brand{font-size:24px;font-weight:650;letter-spacing:-1px;display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text)}.brand-mark{width:34px;height:34px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;position:relative;background:var(--mint);color:#133c2c;font-weight:700;font-size:27px;line-height:1;padding-bottom:7px}.brand-mark span{font-size:19px;position:absolute;right:3px;bottom:3px}.brand-period{color:var(--mint)}nav{display:flex;align-items:center;gap:28px;height:100%}nav button{height:100%;font-size:14px;color:var(--muted);position:relative;padding:0}nav button.nav-active{color:var(--text)}nav .nav-active:after{content:'';height:2px;background:var(--mint);position:absolute;bottom:0;left:0;right:0}.count{font:10px var(--mono);background:var(--raised);padding:3px 5px;border-radius:4px;color:#c8d7e1}.header-end{margin-left:auto;display:flex;gap:14px;align-items:center}.version{font:10px var(--mono);color:#718795;letter-spacing:1px;margin-right:10px}.quiet-button{border:1px solid #40505c;border-radius:6px;padding:9px 12px;font-size:13px}.icon-button{height:36px;width:36px;border-radius:5px;color:var(--muted)}.icon-button:hover{background:var(--raised)}.workbench{display:grid;grid-template-columns:224px minmax(400px,1fr) 258px;min-height:calc(100vh - 111px)}.panel{background:var(--panel);padding:24px 17px;display:flex;flex-direction:column}.library{border-right:1px solid var(--line)}.panel-heading{display:flex;justify-content:space-between;align-items:center;font:11px var(--mono);letter-spacing:1.5px;color:#afbfcd;height:22px;margin-bottom:22px}.panel-heading>.icon{width:17px;height:17px}.tiny-badge{color:#8496a5;background:#233340;padding:2px 5px;border-radius:4px;font-size:10px;letter-spacing:0}.search-wrap{height:37px;border:1px solid #344552;border-radius:5px;display:flex;align-items:center;padding:0 9px;gap:7px;color:var(--muted);margin-bottom:25px}.search-wrap .icon{width:15px}.search-wrap input{width:100%;min-width:0;background:transparent;border:0;outline:none;color:var(--text);font-size:12px}.search-wrap kbd{font:11px var(--mono);color:#6f8494}input::placeholder{color:#7c909f}.library-category{font:10px var(--mono);letter-spacing:1.2px;color:#7f95a5;margin:0 0 9px}.component-list{display:grid;gap:3px;margin-bottom:24px}.component-item{width:100%;padding:11px 8px;justify-content:flex-start;gap:12px;border-radius:6px;text-align:left;border:1px solid transparent;user-select:none;touch-action:manipulation}.component-item:hover{background:#203240;border-color:#344e5a}.component-symbol{width:35px;height:24px;color:#c4d1dc}.component-item>span:last-child{font-size:13px;font-weight:500}.component-item small{display:block;font:10px var(--mono);color:#7e96a8;margin-top:4px}.library-foot{margin-top:auto;padding-top:26px;border-top:1px solid var(--line);display:flex;gap:10px;color:#91a5b4}.library-foot .icon{width:16px;margin-top:4px}.library-foot p{font-size:12px;line-height:1.7;margin:0}.workspace{min-width:0;display:flex;flex-direction:column}.circuit-heading{height:93px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;gap:10px}.eyebrow{font:10px var(--mono);letter-spacing:1.5px;color:#849baa;margin-bottom:8px}h1{font-size:23px;font-weight:550;letter-spacing:-.6px;margin:0}.subtle-button{font-size:12px;color:#bdccd6;border:1px solid #3a4a57;padding:9px 11px;border-radius:5px}.subtle-button .icon{width:15px;height:15px}.canvas-toolbar{height:47px;background:#edf1f4;color:#536a7c;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border-bottom:1px solid #d9e0e6;gap:12px}.tool-group{display:flex;align-items:center;gap:5px}.tool{width:31px;height:30px;border-radius:5px}.tool:hover{background:#dde5ea}.tool.active{background:#d2e7df;color:#276b55}.tool .icon{width:16px;height:16px}.tool-divider{height:19px;width:1px;background:#ced7df;margin:0 7px}#canvas-instruction{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#7a8d9c}#zoom-label{font:10px var(--mono);width:36px;text-align:center}.canvas-wrap{position:relative;background:#f5f7f9;flex:1;min-height:360px;overflow:hidden}#schematic{display:block;width:100%;height:100%;min-height:360px;position:absolute;inset:0;touch-action:none;color:#304a5a;outline-offset:-3px}.canvas-caption{position:absolute;bottom:16px;left:22px;pointer-events:none;display:flex;align-items:center;gap:11px;color:#708696;font:10px var(--mono)}.canvas-tag{font:9px var(--mono);letter-spacing:1.2px;border:1px solid #cbd5dd;padding:5px 7px;border-radius:3px;color:#77909e}.canvas-hint{position:absolute;bottom:17px;right:20px;color:#8a9ba8;font-size:10px;display:flex;align-items:center;gap:5px;pointer-events:none}.hint-key{border:1px solid #d1dae1;border-radius:3px;padding:0 3px;margin-left:5px;font:9px var(--mono)}.wire-path{stroke:#579780;stroke-width:2.1;fill:none;stroke-linejoin:round;pointer-events:none}.wire-hit{stroke:transparent;stroke-width:14;fill:none;cursor:pointer}.wire-selected{stroke:#cb9634;stroke-width:3}.component-g{cursor:grab;outline:none}.component-g:active{cursor:grabbing}.component-g .body{stroke:#304b5c;fill:none;stroke-width:2.25;stroke-linejoin:round;stroke-linecap:round}.component-g .symbol-fill{fill:#f5f7f9}.component-g .selection-box{fill:transparent;stroke:transparent;stroke-width:1.3}.component-g.selected .selection-box,.component-g:focus-visible .selection-box{stroke:#c3a46a;fill:#f8ebbf55;stroke-dasharray:4 4}.component-g .part-label{font:500 13px var(--mono);fill:#4c6272;pointer-events:none}.component-g .part-value{font:11px var(--mono);fill:#8093a0;pointer-events:none}.terminal{fill:#f5f7f9;stroke:#4b9179;stroke-width:2;cursor:crosshair;pointer-events:all}.terminal-hit{fill:transparent;cursor:crosshair;pointer-events:all}.terminal-group:hover .terminal,.terminal-group.pending .terminal{fill:#6fbc9f;r:6}.wire-preview{stroke:#b49954;stroke-width:2;stroke-dasharray:6 4;fill:none}.scope{height:299px;flex:none;border-top:1px solid var(--line);background:#101b26}.scope-header{min-height:63px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:12px 22px}.scope-title{display:flex;gap:9px;align-items:center}.scope-title>.icon{color:var(--mint);width:17px}.scope-title h2{margin:0;font-size:14px;font-weight:550;white-space:nowrap}.scope-status{font:9px var(--mono);border:1px solid #40514e;border-radius:4px;padding:4px 6px;color:#a0c7b5;white-space:nowrap}.scope-status.stale{color:var(--gold);border-color:#5a513e}.scope-status.error{color:#ffad9e;border-color:#694940}.signal-controls{display:flex;gap:12px;align-items:center}.signal-controls label{display:flex;align-items:center;gap:8px;font-size:10px;color:#91a7b7}.number-control{display:flex;align-items:center;border:1px solid #354653;border-radius:4px;padding:7px 6px;gap:3px;color:#899cab;font:10px var(--mono)}.number-control input{color:#d6e3ea;background:transparent;border:0;width:44px;font:11px var(--mono);padding:0;appearance:textfield;outline-offset:2px}.number-control input::-webkit-inner-spin-button{display:none}.run-button{background:var(--mint);border-radius:5px;color:#123c2b;padding:10px 12px;font-size:12px;font-weight:650;white-space:nowrap}.run-button .icon{width:13px;height:13px}.scope-body{display:grid;grid-template-columns:1fr 115px;gap:18px;padding:0 22px}.plot-area{min-width:0;position:relative}.plot-legend{display:flex;gap:18px;font-size:10px;color:#a9bac6;margin-bottom:7px}.plot-legend>span{display:inline-flex;align-items:center;gap:6px}.plot-legend i{width:14px;height:2px;display:block}.legend-input{background:#74a8d3}.legend-output{background:var(--mint)}.plot-caption{margin-left:auto;font:9px var(--mono);color:#7b94a6}#waveform{display:block;width:100%;height:172px;overflow:visible}.plot-empty{position:absolute;left:40px;right:0;top:84px;text-align:center;background:#101b26e0;padding:10px;color:#8ca7b7;font-size:13px}.measurements{border-left:1px solid #263844;padding-left:19px;display:flex;flex-direction:column;justify-content:space-between;padding-bottom:14px;padding-top:2px}.measurements>div>span{display:block;font:8px var(--mono);color:#7f99aa;letter-spacing:.6px;margin-bottom:5px}.measurements strong{font:22px var(--mono);font-weight:400;color:#d8e6ee}.measurements small{font:10px var(--mono);color:#86a1b1}.scope-foot{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:#647f91;padding:8px 22px;border-top:1px solid #23333f;margin-top:8px;gap:12px}.scope-foot button{font-size:10px;color:#9bb1bf;padding:0;white-space:nowrap}.inspector{border-left:1px solid var(--line);padding:24px 20px}.inspector-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:22px}.inspector-bottom h3{font-size:21px;line-height:1.35;font-weight:450;letter-spacing:-.4px;margin:0 0 11px;color:#d0e1e8}.inspector-bottom p{font-size:12px;line-height:1.8;color:#8fa4b3;margin:0 0 13px}.inspector-bottom button{font-size:12px;color:var(--mint);padding:0;margin-bottom:4px}.inspector-part{display:flex;align-items:center;gap:12px;margin-bottom:22px}.inspector-symbol{width:49px;height:49px;border:1px solid #40584e;border-radius:9px;background:#203b32;color:#c2e8d4;display:flex;align-items:center;justify-content:center}.inspector-symbol svg{width:39px;height:25px}.part-id{font:10px var(--mono);color:var(--mint);margin-bottom:4px}.inspector-part h2{font-size:18px;font-weight:550;margin:0}.field{display:block;margin-bottom:19px}.field>span{font-size:12px;color:#a4b8c6;display:block;margin-bottom:9px}.field-value{display:flex;align-items:center;border:1px solid #3c5362;background:#192a38;border-radius:5px;padding-right:12px}.field-value input{width:100%;min-width:0;color:#e2ecf3;background:transparent;border:0;padding:11px 12px;font:15px var(--mono)}.field-value>span{font:12px var(--mono);color:#7d98aa}.field select{width:100%;background:#192a38;color:#e2ecf3;border:1px solid #3c5362;padding:11px;border-radius:5px}.field input[type=range]{width:100%;accent-color:var(--mint)}.inspector-description{font-size:12px;line-height:1.8;color:#8fa6b7;margin:0 0 22px}.property-row{display:flex;justify-content:space-between;font-size:11px;color:#829aaa;margin-bottom:13px}.property-row span:last-child{font-family:var(--mono);color:#b3c7d3}.inspector-actions{display:flex;gap:8px;margin:21px 0 26px}.inspector-actions button{font-size:11px;padding:8px 11px;border:1px solid #384c5a;border-radius:5px;color:#acc0cf}.inspector-actions .icon{width:14px;height:14px}.inspector-actions .danger{color:#d5a294}.empty-inspector{font-size:13px;line-height:1.8;color:#8fa6b7;padding:10px 0 25px}.note{font:10px/1.8 var(--mono);padding:12px;border:1px solid #324652;background:#1a2b38;border-radius:5px;color:#94acbc;margin:15px 0 20px}.status-bar{height:33px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:0 22px;font-size:10px;color:#7e94a4;gap:10px}.status-bar>span{display:flex;align-items:center;gap:7px}.status-bar i{height:5px;width:5px;border-radius:50%;background:#7cbaa0}.status-bar>span:nth-child(2){font-family:var(--mono);font-size:9px}.status-bar button{font-size:10px}.status-bar .icon{width:12px;height:12px}dialog{background:#14222e;color:var(--text);border:1px solid #425864;border-radius:14px;padding:30px;width:min(760px,calc(100vw - 32px));max-height:90vh;box-shadow:0 30px 100px #0008}dialog::backdrop{background:#050c14bc;backdrop-filter:blur(5px)}.dialog-heading{display:flex;justify-content:space-between;gap:10px;align-items:center}.dialog-heading h2{font-size:27px;font-weight:500;letter-spacing:-.7px;margin:0}.dialog-intro{font-size:14px;color:#9cb3c2;line-height:1.7;margin:16px 0 25px}.example-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.example-card{display:flex;flex-direction:column;align-items:flex-start;text-align:left;border:1px solid #354957;border-radius:8px;padding:20px;gap:10px;background:#1a2b38}.example-card:hover{border-color:var(--mint);background:#20382f}.example-card .example-preview{height:66px;width:100%;color:var(--mint);margin-bottom:10px}.example-tag{font:10px var(--mono);letter-spacing:1px;color:var(--mint)}.example-card strong{font-size:19px;font-weight:500}.example-card p{font-size:13px;line-height:1.7;color:#9eb4c3;margin:0}.example-card>span:last-child{font:10px var(--mono);color:#a1b8c7;margin-top:5px}.dialog-note{font-size:11px;line-height:1.7;color:#7895a8;margin:22px 0 0}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:30px 0}.step-number{font:12px var(--mono);color:var(--mint)}.guide-grid h3,.model-note h3{font-size:16px;font-weight:500}.guide-grid p,.model-note p{color:#a1b6c5;font-size:13px;line-height:1.8}.model-note{padding:18px 23px;background:#1c2e3c;border:1px solid #314958;border-radius:8px}.model-note h3{margin:0}.reference-links{display:flex;gap:20px;flex-wrap:wrap}.reference-links a{font-size:12px;color:var(--mint);text-decoration:none}#toast{position:fixed;bottom:48px;left:50%;transform:translate(-50%,15px);padding:12px 20px;background:#e4f4ec;color:#164332;border:1px solid #b8d8c9;border-radius:7px;box-shadow:0 6px 30px #0005;font-size:13px;opacity:0;pointer-events:none;transition:.2s;z-index:20;max-width:min(600px,90vw)}#toast.visible{opacity:1;transform:translate(-50%,0)}#toast.error{background:#ffe2d9;color:#6c3024;border-color:#e7b5a3}
@media(min-width:1600px){.workbench{grid-template-columns:250px minmax(500px,1fr) 290px}.panel{padding-left:24px;padding-right:24px}.canvas-wrap{min-height:470px}.scope{height:320px}#waveform{height:192px}.scope-header{min-height:70px}.app-header{gap:68px}.component-item{padding-top:14px;padding-bottom:14px}}
@media(max-width:1250px){.app-header{gap:30px;padding:0 20px}.version{display:none}.workbench{grid-template-columns:195px minmax(350px,1fr) 230px}.panel{padding-left:15px;padding-right:15px}.circuit-heading{padding:0 20px}.scope-header{align-items:flex-start;gap:10px;padding:12px 18px}.scope-title{width:100%;justify-content:flex-start}.signal-controls{width:100%;justify-content:space-between}.scope{height:326px}.scope-body{padding:0 18px;grid-template-columns:1fr 99px;gap:12px}.canvas-hint{display:none}.scope-foot{padding-left:18px;padding-right:18px}.scope-foot>span{max-width:60%;line-height:1.5}.scope-status{margin-left:auto}#canvas-instruction{display:none}.measurements{padding-left:12px}.component-item{gap:8px}.component-item>span:last-child{font-size:12px}}
@media(max-width:980px){.workbench{grid-template-columns:166px minmax(350px,1fr)}.inspector{grid-column:1/-1;display:grid;grid-template-columns:145px 1fr;padding:20px;gap:15px;border-left:0;border-top:1px solid var(--line)}.inspector-bottom{display:none}#inspector-content{display:flex;align-items:flex-start;gap:20px;flex-wrap:wrap}.inspector-part{min-width:135px;margin-bottom:0}.inspector-description{max-width:230px;margin:0}.field{width:180px;margin:0}.inspector-actions{margin:0}.property-row,.inspector .note{display:none}.inspector .panel-heading{margin:8px 0}.component-symbol{width:29px}.component-item{padding:10px 4px;gap:8px}.component-item>span:last-child{font-size:11px}.search-wrap kbd{display:none}.panel{padding-left:12px;padding-right:12px}.app-header{gap:30px}.brand{font-size:21px}nav{gap:19px}.header-end{gap:4px}.quiet-button{font-size:11px}.canvas-wrap{min-height:385px}.canvas-toolbar{padding:0 10px}.circuit-heading h1{font-size:21px}.circuit-heading{height:85px}.library-foot{margin-top:30px}.status-bar>span:nth-child(2){display:none}}
@media(max-width:680px){.app-header{height:64px;padding:0 15px;gap:0;flex-wrap:wrap}.brand{font-size:22px}.brand-mark{width:29px;height:29px;font-size:24px}.header-end{margin-left:auto}.quiet-button{padding:7px}.header-end .icon-button{width:30px}nav{display:none}.workbench{display:flex;flex-direction:column;min-height:0}.library{padding:12px 14px;border-right:0;border-bottom:1px solid var(--line);order:1}.library .panel-heading{margin:0 0 10px;height:auto;font-size:10px}.library .search-wrap,.library-foot,.library-category{display:none}#library-list{display:flex;overflow-x:auto;gap:8px;padding-bottom:3px;scrollbar-width:thin}.component-list{display:contents;margin:0}.component-item{flex:none;width:88px;flex-direction:column;gap:4px;border:1px solid #344856;padding:9px 3px;background:#1b2c39}.component-item small{display:none}.component-item>span:last-child{font-size:10px}.component-symbol{height:22px;width:35px}.workspace{display:contents}.circuit-heading{order:0;height:86px;padding:0 16px}.eyebrow{font-size:9px}.circuit-heading h1{font-size:22px}.subtle-button{padding:8px;font-size:11px}.subtle-button>.icon:first-child{display:none}.canvas-toolbar{order:2;height:43px;padding:0 12px}.canvas-wrap{order:3;min-height:330px;height:330px;flex:none}#schematic{min-height:330px}.canvas-caption{bottom:10px;left:15px;font-size:8px;gap:8px}.canvas-tag{font-size:8px;padding:3px}.inspector{order:4;display:block;padding:15px 16px}.inspector>.panel-heading{margin:0 0 13px;font-size:9px}.inspector-part{min-width:115px}.inspector-symbol{height:40px;width:40px}.inspector-part h2{font-size:15px}#inspector-content{gap:12px;align-items:center}.field{width:calc(100% - 142px);min-width:145px}.field>span{font-size:10px;margin-bottom:5px}.field-value input{font-size:13px;padding:9px 10px}.inspector-description{display:none}.inspector-actions{margin:0 0 0 auto}.scope{order:5;height:auto;min-height:332px}.scope-header{padding:17px 16px 13px;gap:16px}.signal-controls{gap:7px;flex-wrap:wrap;justify-content:space-between}.signal-controls label{font-size:10px;gap:5px}.run-button{font-size:11px;padding:9px}.number-control input{width:35px;font-size:10px}.number-control{padding:7px 4px;font-size:9px}.scope-body{padding:0 15px;grid-template-columns:1fr 76px;gap:8px}.measurements{padding-left:10px}.measurements strong{font-size:18px}.measurements>div>span{font-size:7px;letter-spacing:0}.plot-caption{display:none}#waveform{height:175px}.scope-foot{margin-top:8px;padding:10px 16px;font-size:8px;gap:8px}.scope-foot button{font-size:9px}.status-bar{font-size:8px;padding:0 14px;height:35px}.status-bar button{font-size:9px}.example-grid{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr;gap:10px;margin:20px 0}.guide-grid p{margin:5px 0}.guide-grid h3{margin:8px 0}dialog{padding:22px}.dialog-heading h2{font-size:23px}.example-card{padding:17px}.example-card .example-preview{height:46px;margin-bottom:2px}.model-note{padding:16px}.empty-inspector{padding:0;margin:0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.workspace-actions{display:flex;gap:7px;align-items:center}.wide-dialog{width:min(1100px,calc(100vw - 30px));padding:28px}.pcb-toolbar{display:flex;align-items:center;gap:10px;margin:20px 0;flex-wrap:wrap}.pcb-toolbar .scope-status{margin-right:auto}.pcb-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:25px;margin-bottom:25px}.board-surface{padding:20px;background:#0f1b20;border-radius:9px;display:flex;align-items:center;justify-content:center;min-height:330px;overflow:hidden;touch-action:none}.board-surface>svg{width:100%;height:auto;max-height:480px}.board-part{cursor:grab;outline:none}.board-part:hover rect,.board-part:focus rect{stroke:#fff;stroke-dasharray:4 4}.board-info h3{font-size:13px;color:#c8d9e3;font-weight:550;margin:0 0 15px}.board-info p{font:11px/1.5 var(--mono);color:#8ea9bc}.board-info h3:not(:first-child){margin-top:26px}.footprint-line{padding:9px 0;border-bottom:1px solid #2a3e4a;display:flex;gap:12px;font-size:11px;line-height:1.6}.footprint-line strong{min-width:35px;color:var(--mint);font-family:var(--mono);font-size:10px}.footprint-line span{color:#94adbd}.layout-source{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin:20px 0}.source-url{display:block;flex:1;min-width:250px}.source-url>span{display:block;color:#93adbf;font-size:11px;margin-bottom:7px}.source-url input{width:100%;background:#0e1b25;border:1px solid #3e5766;color:#dfeaf0;padding:11px;border-radius:5px;font-size:12px}.layout-source>.run-button,.layout-source>.quiet-button{height:39px}.text-button{font-size:12px;color:var(--mint);padding:10px 0}.layout-source .text-button{flex-basis:100%;justify-content:flex-start;padding:3px 0}.image-options{display:flex;gap:10px;overflow-x:auto;margin-bottom:15px}.image-choice{flex-direction:column;padding:8px;border:1px solid #3b515f;border-radius:6px;max-width:160px;flex:none;font-size:11px}.image-choice img{height:90px;max-width:130px;object-fit:contain}.import-empty{border:1px dashed #3e5566;border-radius:9px;padding:40px;margin:15px 0 0;text-align:center;color:#98b0bf}.import-empty>.icon{width:36px;height:36px;margin:auto;color:var(--mint)}.import-empty h3{font-size:18px;color:#d5e3eb;font-weight:500}.import-empty p{max-width:650px;font-size:13px;line-height:1.8;margin:12px auto}.import-empty p:last-child{font-size:12px;color:#7898ab}#layout-source-status{font-size:12px;line-height:1.8;color:var(--gold);margin-bottom:12px}.trace-controls{display:flex;gap:18px;align-items:center;flex-wrap:wrap;border-bottom:1px solid #344854;padding:13px 0 20px;margin-bottom:20px}.trace-controls label{display:flex;gap:8px;align-items:center;font-size:12px;color:#9bb3c4}.trace-controls select{background:#213646;color:#d8e6ef;border:1px solid #3d5869;border-radius:4px;padding:8px;font-size:12px}.trace-controls input{accent-color:var(--mint)}.trace-controls input[type=range]{width:90px}.trace-controls .quiet-button{font-size:12px}.trace-grid{display:grid;grid-template-columns:minmax(0,1fr) 225px;gap:24px}.trace-canvas-wrap{overflow:auto;background:#0a151c;border:1px solid #304652;border-radius:7px;padding:15px;max-height:570px;display:flex;justify-content:center;align-items:flex-start}.trace-canvas-wrap canvas{max-width:100%;height:auto;object-fit:contain;cursor:crosshair;align-self:flex-start}.trace-instruction{font-size:12px;line-height:1.8;color:var(--gold)}.trace-part-panel .eyebrow{margin-bottom:20px}.trace-part-panel .field{width:100%;margin:0 0 18px}.trace-part-panel .field select{font-size:13px}.trace-part-panel .field-value input{font-size:14px}.trace-help{font-size:12px;line-height:1.8;color:#8da7b9;margin-top:20px}.trace-part-panel a{font-size:11px;line-height:1.7;color:var(--mint);text-decoration:none}.net-review{border-top:1px solid #344854;margin-top:24px;padding-top:24px}.review-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.review-heading h3{font-weight:500;font-size:19px;margin:0}.net-review>p{font-size:12px;color:#9cb4c5;line-height:1.7}.net-table-wrap{overflow:auto}.net-table{border-collapse:collapse;width:100%;font-size:12px;margin:16px 0}.net-table th{text-align:left;font-weight:500;color:#829eaf;padding:10px;border-bottom:1px solid #395262;font-size:11px}.net-table td{padding:10px;border-bottom:1px solid #2d4351}.net-table td strong{font:12px var(--mono);color:#b8d8c9}.net-table td small{display:block;color:#7595a9;font-size:10px;margin-top:4px}.net-table input{width:85px;background:#1d3241;border:1px solid #3d5767;border-radius:4px;color:#cddfe8;padding:7px 8px;font:12px var(--mono)}.net-inputs{display:flex;gap:9px}.net-inputs label{display:flex;gap:5px;align-items:center;font:11px var(--mono);color:#8dacbf}.review-confirm{display:flex;gap:10px;align-items:center;font-size:12px;line-height:1.6;color:#c2d8e3;margin:22px 0}.review-confirm input{accent-color:var(--mint);width:17px;height:17px}.import-finish{display:flex;gap:25px;align-items:flex-end}.import-finish .source-url{max-width:400px}.import-finish .run-button{height:40px}.check-label input{accent-color:var(--mint)}[hidden]{display:none!important}
@media(max-width:1250px){.circuit-heading{height:114px;align-items:flex-start;flex-direction:column;justify-content:center;gap:12px}.workspace-actions{width:100%}.workspace-actions .subtle-button{font-size:10px;padding:6px 8px}.workspace-actions .icon{width:12px;height:12px}}
@media(max-width:680px){.circuit-heading{height:127px;gap:13px}.workspace-actions{gap:8px}.workspace-actions .subtle-button{font-size:11px;padding:8px 10px}.workspace-actions .subtle-button>.icon:first-child{display:block}.pcb-grid,.trace-grid{grid-template-columns:1fr}.pcb-toolbar{gap:8px}.pcb-toolbar .quiet-button{font-size:10px;padding:8px}.board-surface{padding:12px;min-height:220px}.board-info{display:grid;grid-template-columns:1fr 1fr;gap:12px}.board-info h3{display:none}#board-footprints{max-height:180px;overflow:auto}.wide-dialog{padding:20px}.layout-source{gap:10px}.layout-source .source-url{flex-basis:100%;min-width:0}.layout-source .quiet-button,.layout-source .run-button{font-size:12px}.trace-controls{gap:12px}.trace-controls label{font-size:11px}.trace-controls select{max-width:200px}.trace-canvas-wrap{max-height:400px}.trace-part-panel{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.trace-part-panel .eyebrow{width:100%;margin:0}.trace-part-panel .field{width:calc(50% - 6px);min-width:0;margin:0}.trace-help{margin:0;font-size:11px}.trace-part-panel a{font-size:10px}.net-inputs{flex-direction:column}.net-inputs input{width:68px}.net-table input{font-size:11px}.net-table td,.net-table th{padding:8px 5px}.net-table td:nth-child(2)>input{width:60px}.import-finish{gap:12px;flex-wrap:wrap}.source-url{min-width:190px}.review-confirm{font-size:11px}.import-empty{padding:25px 18px}.import-empty h3{font-size:16px}.import-empty p{font-size:12px}.board-info p{font-size:10px}.scope-body .measurements>div>span{font-size:6.5px}}
#circuit-source{display:inline-block;font-size:10px;color:#92c9b0;margin-top:5px;text-decoration:none}.workspace-actions{flex-wrap:wrap}.coupling-control{display:inline-flex;align-items:center;gap:5px;font-size:10px;color:#91adbd;margin-left:auto;white-space:nowrap}.coupling-control input{margin:0;width:12px;height:12px;accent-color:var(--mint)}.plot-caption{margin-left:0}.tube-bias-note{font:11px/1.8 var(--mono);color:var(--gold);margin:12px 0}.operating-point{padding:20px 22px 24px;background:#12212c;border-top:1px solid #314653}.operating-heading{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}.operating-heading h2{font-size:14px;font-weight:550;margin:0}.operating-heading>span{font:10px var(--mono);color:#92b1c4}.operating-heading .operating-status{color:#9ac5af}.bias-table-wrap{overflow:auto;margin:17px 0}.bias-table{border-collapse:collapse;width:100%;font:11px var(--mono);white-space:nowrap}.bias-table th{color:#7999ad;font:10px var(--sans);text-align:left;padding:8px;border-bottom:1px solid #355061}.bias-table td{padding:10px 8px;color:#c7dce7;border-bottom:1px solid #243d4c}.power-result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-top:16px}.power-result-grid>div{border-left:2px solid #3d705d;padding:4px 10px}.power-result-grid span,.power-result-grid small{display:block;color:#8cabbd;font-size:10px}.power-result-grid strong{display:block;font:13px var(--mono);font-weight:400;margin:7px 0;color:#c5e2d5}.stale-results .operating-status{color:var(--gold)}.stale-results .power-result-grid,.stale-results .bias-table-wrap{opacity:.55}.analysis-notes{padding:10px 0 0 16px;margin:0;font-size:11px;line-height:1.8;color:#c4b98b}.tube-study-actions{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.tube-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0}.tube-principles h3{font-size:18px;font-weight:500}.tube-principles p{font-size:13px;line-height:1.85;color:#9bb5c5}.heater-configs{display:grid;grid-template-columns:1fr 1fr;gap:25px}.heater-configs strong{color:#c9e7d7}.power-budget{padding:26px 0;margin:24px 0;border-top:1px solid #354c5a;border-bottom:1px solid #354c5a}.power-budget>p{font-size:13px;color:#98b2c3;line-height:1.8}.budget-fields{display:grid;grid-template-columns:repeat(4,1fr);gap:18px 14px;margin:23px 0}.budget-fields label{font-size:11px;color:#9fbac9}.budget-fields input,.budget-fields select{display:block;width:100%;margin-top:8px;background:#0d1c27;border:1px solid #3d596a;border-radius:5px;padding:10px;color:#dce9ef;font:13px var(--mono)}.budget-fields select{font-family:var(--sans);font-size:11px}.budget-results{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:20px;background:#1c352d;border-radius:7px;border:1px solid #3a6350}.budget-results span{display:block;font-size:11px;color:#98bfaa}.budget-results strong{display:block;font:19px var(--mono);color:#c6f0d9;margin-top:8px}.power-budget>.budget-note{font-size:11px;color:#86a2b2}.hv-notice{background:#3b3020;border:1px solid #675338;border-radius:7px;padding:18px 22px;color:#eed8a8}.hv-notice strong{font-size:14px;font-weight:550}.hv-notice p{font-size:12px;line-height:1.8;color:#cfbe99;margin-bottom:0}.reference-title{font-size:21px;font-weight:500;margin:35px 0 20px}.tube-reference-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:26px}.tube-reference-grid article{padding:21px;border:1px solid #3b5260;border-radius:7px;background:#192d3a}.tube-reference-grid h3{font-size:19px;font-weight:500;margin:10px 0}.tube-reference-grid p{font-size:12px;line-height:1.8;color:#9eb8c8}.source-pages{font:10px var(--mono);display:block;color:#7e9caf;margin-bottom:15px}.app-header{gap:35px}.app-header nav{gap:23px}.app-header .version{display:none}.inspector{min-width:0}#inspector-content .field{max-width:100%}
@media(max-width:1250px){.circuit-heading{height:133px}.app-header{gap:25px}.app-header nav{gap:18px}.workspace-actions .subtle-button{font-size:10px}.operating-point{padding-left:18px;padding-right:18px}.budget-fields{grid-template-columns:repeat(3,1fr)}}
@media(max-width:980px){.app-header nav{gap:15px}.header-end .quiet-button{font-size:10px}.tube-principles{gap:18px}.budget-results{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.workspace-actions{gap:6px}.workspace-actions .subtle-button{padding:7px 8px;font-size:10px}.circuit-heading{height:139px}#circuit-source{font-size:9px}.operating-point{order:6;padding:20px 15px}.operating-heading{gap:9px}.operating-heading>span{font-size:9px}.power-result-grid{grid-template-columns:1fr 1fr;gap:13px 8px}.power-result-grid strong{font-size:11px}.power-result-grid small{font-size:9px}.coupling-control{font-size:9px}.tube-principles{grid-template-columns:1fr;gap:4px;margin:24px 0}.tube-principles h3{margin:10px 0}.tube-principles p{font-size:12px}.heater-configs{gap:14px}.heater-configs p{font-size:11px}.budget-fields{grid-template-columns:1fr 1fr;gap:17px 10px}.budget-results{grid-template-columns:1fr 1fr;padding:16px;gap:17px 10px}.budget-results strong{font-size:17px}.tube-reference-grid{grid-template-columns:1fr}.tube-study-actions .quiet-button,.tube-study-actions .run-button{font-size:11px}.hv-notice{padding:17px}.tube-principles .step-number{font-size:11px}.inspector .tube-bias-note{width:100%;margin:0}.inspector #inspector-content>.field{min-width:140px;width:calc(50% - 12px)}.analysis-notes{font-size:10px}}

@media(min-width:981px){.library{max-height:calc(100vh - 111px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#40586a transparent;}.library-foot{margin-top:10px}}

/* Learning mode shares the editable schematic; stage numbers also convey color grouping. */
#learning-toggle{border-color:#749a88;color:#c1ebd4}#learning-toggle[aria-pressed=true]{background:#bce8cd;color:#173f2b}
#learning-bar{padding:15px 20px;background:#182d37;border-top:1px solid #3d585e;border-bottom:1px solid #3d585e;flex:none}.learning-intro{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.learning-intro strong{font-size:13px;font-weight:550}.learning-intro>span{font-size:10px;line-height:1.6;color:#a6bfcd;flex:1;min-width:160px}.learning-intro>button{font-size:10px;color:var(--mint);text-decoration:underline;text-underline-offset:3px;padding:5px 0}.stage-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.stage-tabs>button{min-height:35px;padding:5px 9px 5px 5px;border:1px solid #50656e;border-radius:6px;font-size:11px;background:#15232c;color:#d2e0e6}.stage-tabs>button[aria-pressed=true]{background:#f1f5f4;color:#223943;border-color:#e0f0e5}.stage-tabs i{font:11px var(--mono);font-style:normal;display:flex;align-items:center;justify-content:center;width:23px;height:23px;border-radius:4px;background:var(--stage-color);color:white}
#learning-panel{margin-bottom:24px;min-width:0}#learning-panel h2{font-size:23px;font-weight:500;line-height:1.25;letter-spacing:-.5px;margin:18px 0 12px}#learning-panel p{font-size:12px;line-height:1.85;color:#a9bdca}#learning-panel .lesson-summary{color:#e0ede6;font-size:14px;line-height:1.5}.lesson-index{display:flex;justify-content:space-between;gap:12px;font:9px var(--mono)}.lesson-index>span:first-child{background:#edf3f0;padding:4px;border-radius:3px}.lesson-index>span:last-child{color:#8ca4b3;padding-top:4px}.lesson-parts{margin:22px 0 14px}.lesson-parts>span{font:9px var(--mono);letter-spacing:1px;color:#8da5b4}.lesson-parts>div{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.lesson-parts button{font:11px var(--mono);padding:7px 9px;background:#243c49;border:1px solid #4b626e;border-radius:4px;color:#d2e8dc}.lesson-focus{font-size:11px;width:100%}.lesson-experiment{margin-top:22px;padding:16px 14px;background:#20392f;border:1px solid #466751;border-radius:7px}.lesson-experiment .eyebrow{color:#a3c5ab}.lesson-experiment h3{font-size:15px;font-weight:550;margin:8px 0}.lesson-experiment small{display:block;font-size:10px;line-height:1.6;margin-top:11px;color:#98b6a6}.lesson-experiment .run-button{width:100%;font-size:11px}#learning-panel .lesson-experiment p{color:#b6cbbb;font-size:11px}.lesson-nav{display:flex;justify-content:space-between;gap:10px;border-top:1px solid #3b505a;margin-top:24px;padding-top:15px}.lesson-nav button{font-size:12px;padding:8px 0;color:#d1e7db}#learning-panel .learning-boundary{font-size:10px;color:#8ba2b3;line-height:1.7;margin-top:20px}#learning-comparison{font:10px/1.8 var(--mono);color:var(--gold);margin-top:13px}.learning-enabled .inspector-bottom{display:none}.learning-enabled #inspector-content:not([hidden]){padding-top:18px;border-top:1px solid #47606b}
.learning-region{pointer-events:none}.learning-region>rect{fill:var(--stage-color);fill-opacity:.035;stroke:var(--stage-color);stroke-width:1.4;vector-effect:non-scaling-stroke}.learning-region.region-dim{opacity:.28}.stage-marker{pointer-events:all;cursor:pointer;outline:none}.stage-marker rect{fill:var(--stage-color);stroke:white;stroke-width:1}.stage-marker text{fill:white;font:600 12px var(--mono);pointer-events:none}.stage-marker:focus-visible rect{stroke:#142b38;stroke-width:3}.learning-dim{opacity:.24}.component-g.learning-highlight .selection-box{stroke:var(--stage-color);fill:none;stroke-dasharray:3 3}.learning-enabled .canvas-wrap{min-height:420px}.learning-enabled .canvas-hint{display:none}
@media(min-width:981px){.learning-enabled .workbench{grid-template-columns:200px minmax(400px,1fr) 290px}.learning-enabled .inspector{align-self:start;max-height:calc(100vh - 80px);overflow-y:auto;position:sticky;top:0}.learning-enabled .canvas-wrap{height:440px;flex:none}.learning-enabled .circuit-heading{height:auto;min-height:133px;padding-top:16px;padding-bottom:16px;flex-wrap:wrap}.learning-enabled .workspace-actions{flex-wrap:wrap}}
@media(max-width:980px){.learning-enabled .inspector{display:block}#learning-panel{max-width:720px}.lesson-experiment{max-width:420px}.lesson-focus{width:auto}.learning-enabled .canvas-wrap{height:420px;flex:none}}
@media(max-width:680px){#learning-bar{order:2;padding:13px 15px}.learning-intro{gap:8px}.learning-intro>span{flex-basis:100%;order:3;font-size:10px}.learning-intro>button{margin-left:auto}.stage-tabs{gap:6px}.stage-tabs>button{font-size:10px;min-height:38px}.learning-enabled .canvas-wrap{min-height:340px;height:340px}.learning-enabled #schematic{min-height:340px}#learning-panel h2{font-size:24px}#learning-panel p{font-size:13px}.lesson-index{justify-content:flex-start}.lesson-experiment{max-width:none}.lesson-focus{width:100%}.lesson-parts button{min-height:38px}.lesson-nav button{min-height:40px}#learning-panel .lesson-experiment p{font-size:12px}.circuit-heading{min-height:151px;height:auto;padding-top:14px;padding-bottom:14px}}

.frequency-analysis{flex:none;padding:24px 22px;background:#12202c;border-top:1px solid #365062}.frequency-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:21px}.frequency-heading h2{font-size:19px;font-weight:500;margin:0;letter-spacing:-.3px}.frequency-heading .eyebrow{font-size:9px}.analysis-tabs{display:flex;gap:4px;padding:4px;background:#0c1822;border:1px solid #355063;border-radius:7px}.analysis-tabs button{border-radius:4px;padding:9px 12px;font-size:11px;color:#9fb6c6}.analysis-tabs button[aria-selected=true]{background:#2c4c48;color:#d1f3de}.frequency-controls{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:20px}.frequency-controls label{display:flex;align-items:center;gap:8px;font-size:10px;color:#9eb5c6}.frequency-controls select{background:#192f3f;color:#c9dde8;border:1px solid #3b576a;border-radius:4px;padding:7px 8px;font-size:11px;max-width:220px}.frequency-legend{display:flex;gap:18px;flex-wrap:wrap;font-size:10px;color:#abc4d2;margin-bottom:13px}.frequency-legend>span{display:flex;align-items:center;gap:6px}.frequency-legend i{width:17px;height:2px;display:block}.frequency-legend i.input{background:#6d9cc3}.frequency-legend i.output{background:#a0ebc5}#spectrum-state{margin-left:auto;color:#a8c4b2}.frequency-chart{position:relative;background:#0d1924;border:1px solid #2b4253;border-radius:6px;overflow:hidden}.frequency-chart svg{width:100%;height:230px;display:block;outline-offset:-3px;touch-action:pan-y}.frequency-chart svg text{fill:#9bb3c4;font:10px var(--mono)}.frequency-chart svg .frequency-axis-label{font:10px var(--sans);fill:#bdd1dd}.frequency-grid{stroke:#273f50;stroke-width:1}.frequency-cursor{stroke:#8c9ea8;stroke-width:1;stroke-dasharray:4 4}.frequency-empty{position:absolute;inset:40% 30px auto;text-align:center;font-size:12px;color:#9db5c5;background:#0d1924e6;padding:10px;pointer-events:none}.frequency-readout{font:10px/1.8 var(--mono);color:#c6dfd0;margin:13px 0;min-height:18px}.frequency-note{font-size:11px;line-height:1.8;color:#92aebe;margin:12px 0}.frequency-stale{opacity:.35}#harmonic-details{margin-top:20px;border-top:1px solid #344e5e;padding-top:15px}#harmonic-details summary{color:#c5dbd1;font-size:12px;cursor:pointer}.harmonic-table-wrap{overflow:auto}.harmonic-table-wrap table{width:100%;border-collapse:collapse;white-space:nowrap;margin-top:15px}.harmonic-table-wrap th{text-align:left;color:#839fb2;font-size:10px;font-weight:500;padding:8px}.harmonic-table-wrap td{padding:9px 8px;font:11px var(--mono);border-top:1px solid #294352;color:#c3d6e1}.response-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.response-actions p{font-size:13px;flex:1;margin:0;color:#c0d6e1}.response-actions button{font-size:11px}.response-state{font:10px/1.8 var(--mono);color:var(--gold);margin:15px 0}.phase-chart{margin-top:12px}.phase-chart svg{height:175px}
@media(max-width:680px){.frequency-analysis{order:6;padding:23px 15px}.operating-point{order:7}.frequency-heading{gap:15px;margin-bottom:17px}.analysis-tabs{width:100%}.analysis-tabs button{flex:1;min-height:38px}.frequency-controls{gap:12px}.frequency-controls label{justify-content:space-between;width:100%}.frequency-controls select{width:70%;max-width:none;min-height:38px}.frequency-chart svg{height:210px;min-width:0}.phase-chart svg{height:165px}.frequency-readout{font-size:10px}#spectrum-state{margin-left:0;flex-basis:100%;font-size:10px}.response-actions p{flex-basis:100%;line-height:1.6}.response-actions button{min-height:40px}.frequency-chart svg text{font-size:12px}.frequency-chart svg .frequency-axis-label{font-size:12px}}

.import-steps{display:flex;gap:8px;list-style:none;padding:0;margin:24px 0;flex-wrap:wrap}.import-steps li{flex:1;min-width:140px;border:1px solid #3a5362;border-radius:6px;padding:12px 14px;font:12px var(--mono);color:#8aa5b7;display:flex;gap:10px;align-items:center}.import-steps li span{font:12px var(--sans)}.import-steps .current{background:#274b3e;border-color:#6ca389;color:#cef1dc}.crop-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:15px 0}.crop-toolbar>span{font-size:11px;color:#9eb5c5}.crop-preview-wrap{background:#0b161e;border:1px solid #395262;border-radius:7px;max-height:570px;overflow:auto;text-align:center}.crop-preview-wrap canvas{max-width:100%;max-height:550px;height:auto;width:auto;vertical-align:middle;touch-action:none;cursor:crosshair}.crop-fields{display:flex;gap:15px;flex-wrap:wrap;margin:18px 0}.crop-fields label{display:flex;gap:9px;align-items:center;color:#a8bfce;font-size:12px}.crop-fields input{width:88px;background:#122635;color:#d6e4eb;border:1px solid #486272;border-radius:4px;padding:8px;font:12px var(--mono)}.crop-actions{display:flex;gap:17px;align-items:center;flex-wrap:wrap;margin:18px 0}.crop-actions>span{font:10px var(--mono);color:#8facbe}.trace-edit-tools{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:0 0 14px}.trace-edit-tools label{display:flex;gap:7px;align-items:center;font-size:11px;color:#abc3d2}.trace-edit-tools select,.trace-part-panel input:not([type=range]),.net-table select{background:#203746;border:1px solid #496373;color:#d2e5ee;padding:8px;border-radius:4px;font-size:12px;max-width:100%}.trace-edit-tools input[type=range]{width:85px}.trace-edit-tools input[type=checkbox]{accent-color:var(--mint)}.trace-caution{font-size:11px;line-height:1.8;color:#bdb58e;margin:0 0 18px}.trace-grid.traces-first{grid-template-columns:1fr}.trace-canvas-wrap{display:block;max-height:650px;overflow:auto;text-align:center;padding:10px}.trace-canvas-wrap canvas{display:block;margin:0 auto;max-width:100%;height:auto;touch-action:none}.trace-next{display:flex;gap:12px;justify-content:flex-end;margin:20px 0}.trace-part-panel .field>input{width:100%}.trace-part-panel input[type=range]{accent-color:var(--mint)}.trace-part-panel .run-button,.trace-part-panel>.quiet-button{margin-bottom:10px;width:100%}.trace-part-panel .trace-help{margin-top:6px}#import-pot-fields{width:100%}.net-inputs{align-items:flex-start}.net-inputs label{display:flex;flex-direction:column;align-items:flex-start;gap:5px}.net-inputs label>small{font-size:9px;max-width:130px;white-space:normal}.net-table select{display:block;max-width:150px;margin:7px 0}.review-pot-position{display:flex;align-items:center;gap:7px;font-size:10px;color:#95b1c2}.net-table .review-pot-position input{width:70px}.net-table .import-unsupported{color:#e8bd9e}.trace-instruction{min-height:42px}
@media(max-width:680px){.import-steps{gap:6px;margin:18px 0}.import-steps li{min-width:calc(50% - 6px);padding:9px;font-size:11px;flex-basis:40%}.import-steps li span{font-size:11px}.crop-toolbar .quiet-button{font-size:10px;min-height:38px}.crop-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}.crop-fields label{justify-content:space-between;font-size:11px}.crop-fields input{width:68px}.crop-preview-wrap canvas{max-height:none}.crop-actions .run-button{min-height:42px}.trace-edit-tools{gap:12px}.trace-edit-tools select{min-height:38px}.trace-edit-tools .quiet-button{min-height:38px}.trace-controls{margin-bottom:14px}.trace-canvas-wrap{padding:5px;max-height:460px}.trace-next .run-button{min-height:40px}.trace-part-panel>.quiet-button,.trace-part-panel>.run-button{width:auto;min-height:40px}.trace-part-panel #import-pot-fields .field{width:100%;margin:10px 0}.trace-caution{font-size:10px}.net-table td:nth-child(2)>input{width:72px}.net-table{font-size:10px}.net-table .net-inputs input{width:105px}.trace-instruction{font-size:11px}}
/* Circuit build projects */
.build-switch{display:flex;gap:6px;background:#0d1a24;padding:5px;border:1px solid var(--line);border-radius:8px;width:fit-content;margin:18px 0}.build-switch button{padding:11px 19px;border-radius:5px;color:var(--muted)}.build-switch button[aria-pressed=true]{background:#294137;color:var(--mint)}.build-files{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:20px}.build-dialog .pcb-toolbar{flex-wrap:wrap}.build-dialog .scope-status{line-height:1.8}.build-move{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin:20px 0}.build-move label{display:flex;flex-direction:column;gap:7px;font-size:11px;color:var(--muted)}.build-move select,.build-move input{padding:9px;background:var(--raised);border:1px solid #3d5869;border-radius:5px;color:var(--text);height:38px;max-width:200px}.build-move input{width:80px}.build-move button{min-height:38px}.breadboard-surface{overflow:auto;max-height:570px;background:#101e29;border:1px solid var(--line);border-radius:8px;padding:12px}.breadboard-surface svg{display:block;max-width:none;width:auto;min-width:460px;height:auto}.build-tables{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:25px 0}.build-dialog summary{cursor:pointer;font-weight:500;padding:12px 0;color:#bbddcd}.build-bom{border-top:1px solid var(--line);margin-top:24px}.build-dialog .net-table td{vertical-align:top;line-height:1.5}.build-dialog .net-table th{white-space:nowrap}.build-dialog #breadboard-error{padding:22px;line-height:1.8}.build-dialog .model-note p{line-height:1.8}.build-dialog .build-files .quiet-button{font-size:12px}
@media(max-width:680px){.build-tables{grid-template-columns:1fr}.build-switch{width:100%}.build-switch button{flex:1;padding:12px 8px;font-size:12px}.build-move{gap:10px}.build-move label:first-child{width:100%}.build-move select{max-width:100%}.build-dialog .pcb-toolbar .quiet-button{min-height:40px;font-size:11px}.breadboard-surface{max-height:430px;padding:4px}.build-dialog .scope-status{width:100%}.build-files{gap:7px}.build-dialog .net-table{font-size:11px}.build-dialog .net-table td{padding:9px 7px}}
@media(max-width:680px){.build-switch{flex-wrap:wrap}.build-switch button{flex:1 1 40%}}
.build-dialog .scope-status{white-space:normal;font-size:11px;max-width:100%}
.assembly-size{font-size:12px;line-height:1.8;color:var(--mint);padding:12px 15px;border:1px solid var(--line);border-radius:6px;background:#152b28}.build-move select{max-width:180px}
.pedal-study{margin:0 22px 14px;border:1px solid var(--line);background:#162a2d;border-radius:7px;padding:10px 15px}.pedal-study summary{cursor:pointer;color:var(--mint);font-weight:500;font-size:13px}.pedal-study p{font-size:12px;line-height:1.7;color:#b6c8cc;margin:10px 0}.pedal-controls{display:flex;gap:10px;flex-wrap:wrap}.pedal-controls strong{color:var(--mint);font:12px var(--mono)}.pedal-controls button>span{font-size:10px;color:var(--muted)}@media(max-width:680px){.pedal-study{margin:0 12px 12px;padding:10px}.pedal-controls{gap:6px}.pedal-controls button{font-size:12px;min-height:40px}}

.audio-panel{padding:24px;border-top:1px solid var(--border,#34414c);background:#15232b}.audio-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.audio-heading h2{font-size:20px;margin:4px 0 16px}.audio-local{font-size:12px;color:#a6c3b4}.audio-controls{display:flex;flex-wrap:wrap;align-items:end;gap:12px;margin-bottom:14px}.audio-controls label,.audio-file-label{display:flex;flex-direction:column;gap:7px;font-size:13px;color:#c4d5dc}.audio-controls input:not([type=range]):not([type=checkbox]),.audio-controls select{padding:9px;border:1px solid #3d525e;border-radius:6px;background:#14212b;color:#eef5f1;max-width:210px;min-height:40px}.audio-controls input[type=range]{width:145px;min-height:30px;accent-color:#a0ebc5}.audio-panel .note{color:#a2b5c0;font-size:12px;line-height:1.6}.audio-file-label{margin:16px 0}.audio-file-label input{max-width:100%;padding:10px;border:1px solid #3d525e;border-radius:6px}#audio-status{font-size:13px;line-height:1.6;color:#c8e9dc}#audio-progress{width:100%;accent-color:#a0ebc5}@media(max-width:680px){.audio-panel{padding:18px}.audio-heading{align-items:start;flex-direction:column;gap:0}.audio-controls label{flex:1;min-width:120px}.audio-controls select,.audio-controls input:not([type=range]):not([type=checkbox]){max-width:100%;width:100%}.audio-controls button{min-height:42px}.audio-local{margin-bottom:14px}}

@media(max-width:680px){.audio-panel{order:6}.frequency-analysis{order:7}.operating-point{order:8}}
/* Named component variants */
#parts-button{width:100%;justify-content:space-between;margin:0 0 15px;padding:10px;border:1px solid #557668;border-radius:6px;background:#203d33;color:var(--mint);font-size:12px}.part-model-note{border:1px solid #426052;border-radius:6px;background:#1a302c;padding:12px;margin:14px 0;color:#bfd6cc;font-size:11px;line-height:1.65}.part-model-note strong{color:var(--mint);font-weight:500}.part-model-note p{margin:8px 0}.part-model-note a,.part-card a{color:var(--mint);text-decoration:underline;text-underline-offset:3px}.part-model-note summary,.part-pin-list summary{cursor:pointer}.part-pin-list{font-size:12px;color:#c2d7dd;margin:16px 0}.part-pin-list dl>div{display:flex;gap:15px;border-bottom:1px solid #314856;padding:6px}.part-pin-list dt{width:20px;color:var(--mint)}.part-pin-list dd{margin:0;font-family:var(--mono);font-size:11px}.inspector .field select{max-width:100%;width:100%}#parts-dialog{width:min(960px,calc(100vw - 32px));max-height:90vh;padding:28px}.parts-filters{display:flex;gap:16px;margin:24px 0 10px}.parts-filters label{display:flex;flex-direction:column;gap:7px;font-size:12px;color:#adc3d0}.parts-filters label:first-child{flex:1}.parts-filters input,.parts-filters select{min-height:42px;padding:10px 12px;background:#142735;border:1px solid #456071;color:#edf5ef;border-radius:6px;font-size:14px;width:100%}#parts-count{font:11px var(--mono);color:#8fa9b9;margin:16px 0}#parts-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.part-card{min-width:0;border:1px solid #3b5260;border-radius:9px;background:#172c37;padding:17px;display:flex;flex-direction:column;align-items:start}.part-card-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-height:40px}.part-card .component-symbol{width:45px;height:36px;flex:none;color:#a5d5bb}.part-badge{font-size:9px;letter-spacing:.15px;padding:5px 6px;border-radius:4px;background:#29483d;color:#b9e8cc}.part-badge.reference{background:#4c4030;color:#f2c996}.part-card h3{font-size:15px;line-height:1.4;font-weight:550;margin:16px 0 6px}.part-card p{font-size:11px;line-height:1.7;color:#aec4d0;margin:0 0 12px}.part-card details{font-size:11px;color:#9cb7c8;margin-bottom:18px;line-height:1.7}.part-card summary{cursor:pointer}.part-card details p{margin-top:10px}.part-card>.quiet-button{margin-top:auto;padding:8px 0;min-height:36px;font-size:12px;color:var(--mint)}
@media(max-width:800px){#parts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){#parts-button{margin:0;width:160px;flex:none;min-height:42px}.parts-filters{flex-direction:column;gap:12px}#parts-dialog{padding:20px;width:calc(100vw - 20px);max-height:92vh}#parts-grid{grid-template-columns:1fr}.part-card{padding:16px}.part-card h3{font-size:17px}.part-card p,.part-card details{font-size:12px}.part-card>.quiet-button{min-height:42px}.part-badge{font-size:10px}}

.part-model-note,.part-pin-list{width:100%}#inspector-content .part-live-value{display:flex;width:100%;flex-wrap:wrap;gap:8px;line-height:1.6}@media(max-width:680px){#parts-button{margin-bottom:10px}.part-model-note{margin:0;padding:12px}}

/* Board inspection controls */
.layout-view-tools{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:14px 0}.layout-view-tools>button{border:1px solid #45616f;border-radius:5px;min-height:36px;min-width:36px;font-size:12px}.layout-view-tools label{display:flex;gap:9px;align-items:center;font-size:12px;color:var(--muted);margin-left:auto}.layout-view-tools select{max-width:180px;padding:8px;background:#172e3a;color:var(--text);border:1px solid #45616f;border-radius:5px}.layout-zoom-value{font:11px var(--mono);min-width:36px;text-align:center}.board-surface,.breadboard-surface{display:block;overflow:auto;min-height:100px;max-height:570px;padding:14px}.board-surface>svg,.breadboard-surface>svg{display:block;max-width:none;max-height:none;min-width:0;flex:none;margin:0 auto}.board-part.dragging{opacity:.7}.board-part.dragging>rect{stroke:#fff;stroke-dasharray:4 4}.build-dialog [data-layout-net]{transition:opacity .12s}.build-dialog #pcb-jumper-list h3{font-size:14px;color:#a8dfff}.build-dialog .pcb-grid{align-items:start}.build-dialog .board-info{max-height:550px;overflow:auto}@media(max-width:680px){.layout-view-tools label{width:100%;margin-left:0}.layout-view-tools select{flex:1;max-width:none}.layout-view-tools>button{min-height:40px}.board-surface,.breadboard-surface{max-height:430px;padding:8px}}
.board-surface{touch-action:pan-x pan-y}.board-part{touch-action:none}

.tidy-button{border:1px solid #a9bbb6;border-radius:5px;background:#e1eee8;color:#285c48;font-size:11px;white-space:nowrap;padding:7px 10px;min-height:31px}.wire-clearance{stroke:#f5f7f9;stroke-width:7;fill:none;stroke-linejoin:round;pointer-events:none}@media(max-width:680px){.canvas-toolbar{height:auto;min-height:47px;flex-wrap:wrap;padding:8px 12px;gap:8px}.canvas-toolbar #canvas-instruction{display:none}.tidy-button{order:3;width:100%;min-height:36px}}

.audio-controls .audio-loop-label{flex-direction:row;align-items:center;align-self:center;gap:9px;min-height:40px;flex:0 0 auto}.audio-controls input[type=checkbox]{width:18px;height:18px;margin:0;accent-color:#a0ebc5}

.example-groups{display:grid;gap:12px}.example-origin{border:1px solid var(--line);border-radius:9px;background:var(--panel);overflow:hidden}.example-origin>summary{display:grid;grid-template-columns:1fr auto 18px;gap:14px;align-items:center;padding:18px;cursor:pointer;list-style:none}.example-origin>summary::-webkit-details-marker{display:none}.example-origin>summary::after{content:"+";color:var(--mint);font-size:21px;text-align:center}.example-origin[open]>summary::after{content:"−"}.example-origin>summary:hover{background:var(--raised)}.example-origin>summary:focus-visible{outline:2px solid var(--mint);outline-offset:-3px}.example-origin h3{font-size:17px;font-weight:550;margin:0 0 5px}.example-origin summary p{font-size:12px;line-height:1.5;color:var(--muted);margin:0}.origin-count{font:10px var(--mono);color:var(--mint);white-space:nowrap}.example-origin>.example-grid{padding:0 16px 16px}@media(max-width:680px){.example-origin>summary{padding:15px 12px;gap:9px}.example-origin h3{font-size:15px}.example-origin summary p{font-size:11px}.origin-count{font-size:9px}.example-origin>.example-grid{padding:0 10px 10px}}

.circuit-heading:has(#add-tubes-button){height:auto;min-height:112px;padding-top:18px;padding-bottom:18px}.tube-placement{display:flex;flex-wrap:wrap;gap:10px;border:0;padding:0;margin:20px 0}.tube-placement legend{font-size:14px;color:#b5cbd7;margin-bottom:12px}.tube-placement label{flex:1;display:flex;align-items:center;justify-content:center;gap:9px;padding:13px 20px;border:1px solid #3d596a;border-radius:6px;background:#192c39;font-size:15px}.tube-placement label:has(input:checked){border-color:var(--mint);background:#234435}.tube-placement input{accent-color:var(--mint)}.tube-model-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.tube-model-fields [hidden]{display:none}.tube-model-fields .field{min-width:0;width:100%}.tube-model-fields .field>span{display:block;margin-bottom:8px;font-size:14px}.tube-model-fields select{width:100%;max-width:none;font-size:14px;min-height:44px;background:#192a38;color:#e2ecf3;border:1px solid #3c5362;border-radius:5px;padding:10px}.tube-insertion-preview{padding:18px;border:1px solid #42735b;border-radius:7px;background:#1c352d;color:#cae8d8;margin:6px 0 20px;font-size:14px;line-height:1.6}.tube-signal-chain{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.tube-signal-chain span{padding:4px 8px;background:#10291f;border-radius:4px}.tube-signal-chain b{font-weight:400}.tube-insertion-preview p{margin:12px 0 0}.tube-insertion-source{font-size:14px;line-height:1.7;color:#a9c0ce}.tube-insertion-source strong{color:#d3e5ef}.tube-insertion-source .reference-links a{font-size:14px}.tube-insertion-note{font-size:12px;line-height:1.7;color:#a7b6c0}.tube-insertion-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:22px}.tube-insertion-actions button{min-height:44px;font-size:14px}@media(max-width:680px){.tube-model-fields{grid-template-columns:1fr}.tube-placement label{padding:12px}.tube-insertion-actions{justify-content:stretch}.tube-insertion-actions button{flex:1}}

/* Schematic selection and reusable circuit fragments. */
.selection-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:9px 15px;background:#edf1f4;color:#304e5c;border-bottom:1px solid #ced9df;flex:none}.selection-toolbar .quiet-button{min-height:36px;padding:7px 11px;font-size:14px;border-color:#b9cbd0;background:#f7faf9}.selection-toolbar .active{background:#d2e7df;border-color:#80aa97;color:#245d47}#selection-count{font-size:13px;margin-left:auto;color:#536b78}.selection-marquee{fill:#66aa9026;stroke:#397d63;stroke-width:1.5;stroke-dasharray:5 3;vector-effect:non-scaling-stroke}.selected-parts{display:flex;gap:6px;flex-wrap:wrap;margin:18px 0}.selected-parts button{border:1px solid #486052;border-radius:5px;padding:7px 9px;color:#bfe4cc;font-size:14px;min-height:36px}.multi-selection-actions{display:flex;gap:8px;flex-wrap:wrap}.multi-selection-actions button{font-size:14px;min-height:38px;border:1px solid #486052;border-radius:5px;padding:8px 10px}.multi-selection-actions .danger{border-color:#71504b;color:#e7a79b}#clipboard-feedback{max-height:180px;overflow:auto;font-size:14px;line-height:1.55;white-space:pre-line;margin:0;padding:12px 16px;background:#1c332c;border-bottom:1px solid #3c6453;color:#c5e6d4}#clipboard-feedback.error{background:#402d25;color:#f0d2b5}#clipboard-dialog{width:min(680px,calc(100vw - 28px));max-height:90vh;padding:25px}#clipboard-dialog p{font-size:14px;line-height:1.6}#clipboard-dialog label{display:block;margin:18px 0 8px;font-size:14px}#clipboard-text{box-sizing:border-box;width:100%;height:210px;resize:vertical;background:#10232e;color:#dceae1;border:1px solid #4d6c70;border-radius:6px;padding:12px;font:14px/1.5 var(--mono);outline-offset:3px}#clipboard-dialog-error{color:#f1bba3;white-space:pre-line}.clipboard-dialog-actions{display:flex;flex-wrap:wrap;gap:12px}.clipboard-dialog-actions button{font-size:14px;min-height:40px}#clipboard-dialog [hidden],#clipboard-feedback[hidden]{display:none}
@media(max-width:680px){.selection-toolbar{order:2;padding:9px 12px;gap:7px}.selection-toolbar .quiet-button{min-height:40px;flex:1;padding:7px 9px}#selection-count{width:100%;margin-left:0}#clipboard-feedback{order:2}#clipboard-dialog{padding:18px}}