:root{font-family:Arial,Helvetica,sans-serif;color:#26383b;background:#fff;--ink:#26383b;--line:#d3e0e3;--muted:#5b7277;--teal:#087c83;--red:#ba4548;--blue:#187c9a;--gold:#987015}*{box-sizing:border-box;letter-spacing:0}body{margin:0}header,main{max-width:1480px;margin:auto;padding:22px 28px}header{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:2px solid var(--ink)}h1{font-size:27px;line-height:1.25;margin:8px 0 0}h2{font-size:19px;line-height:1.4;margin:0}h3{font-size:16px;line-height:1.5;margin:0 0 10px}a{color:#126e77;text-underline-offset:3px}.series{font-size:13px;text-decoration:none;font-weight:600}.commands{display:flex;gap:8px}.commands button{width:40px;height:40px}button,input,select{font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;padding:8px 10px;border:1px solid #b5cbd0;border-radius:4px;background:#fff;color:inherit;cursor:pointer}button:hover{background:#eaf4f4}button svg{width:18px;height:18px;flex-shrink:0}button:disabled{opacity:.5;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #ac7c1b;outline-offset:3px}.workspace{display:grid;grid-template-columns:235px minmax(0,1fr);gap:28px}aside{background:#f0f5f6;padding:17px;min-width:0;align-self:start}.field{display:grid;gap:8px;font-size:13px;font-weight:600;margin-bottom:16px;min-width:0}input[type=number],select{width:100%;min-width:0;border:1px solid #acc5ca;border-radius:3px;background:white;color:inherit;padding:7px 8px;min-height:36px;font-size:14px}input[type=number]{appearance:textfield}input::-webkit-inner-spin-button,input::-webkit-outer-spin-button{appearance:none;margin:0}input[type=range]{accent-color:var(--teal);min-width:0;width:100%;min-height:28px}.toggle{display:flex;align-items:start;gap:8px;font-size:13px;line-height:1.5;margin:14px 0}.toggle input{width:16px;height:16px;accent-color:var(--teal);margin:2px 0 0}.position,.charge-input{display:grid;grid-template-columns:1fr 1fr;gap:12px}.charge-input{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}.experiment{min-width:0}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.section-head>span{font-size:12px;color:var(--muted);line-height:1.6}.formula{font:20px/1.6 Georgia,serif;color:#126e77;overflow-wrap:anywhere;margin:12px 0 17px}.map-row{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:22px}.map-wrap{min-width:0}canvas{display:block;width:100%}#scene{aspect-ratio:1;touch-action:none;cursor:grab;background:#f7fafb}#scene:active{cursor:grabbing}.color-key{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin:12px 0}.color-scale{height:10px;min-width:65px;max-width:200px;flex:1;background:linear-gradient(to right,#277d9b,#f5f7f5,#c54e4c)}.caption{font-size:13px;line-height:1.65;color:var(--muted);margin:10px 0 17px}.meter-panel{padding:16px 0;border-top:2px solid var(--ink);align-self:start;min-width:0}.lead-names{display:flex;justify-content:space-between;gap:8px;font-size:12px}.red{color:var(--red)}#meter{display:block;font:26px/1.4 monospace;margin:18px 0 6px;overflow-wrap:anywhere}.node-values{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.node-values dl{margin:0;min-width:0}dt{font-size:12px;line-height:1.5;color:var(--muted)}dd{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin:6px 0 0}.node-values dd{font-size:15px}.readouts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;border-block:1px solid var(--line);padding:15px 0;margin:16px 0}.readouts dl{min-width:0;margin:0}.readouts dd{font-size:22px;line-height:1.4}.interpretation{font-size:14px;line-height:1.7;margin:16px 0;color:#375d64}.travel{display:flex;align-items:center;gap:10px;margin:22px 0}.travel label,.travel output{font-size:12px;white-space:nowrap}.travel button{width:40px;flex-shrink:0}.travel output{width:35px;text-align:right}.inline{font-size:12px;display:flex;align-items:center;gap:10px}.inline select{width:auto;max-width:240px;font-size:12px}#profile{height:255px;margin-top:8px}.local-values{display:flex;gap:8px 22px;flex-wrap:wrap;font-size:12px;line-height:1.7;color:var(--muted);margin:12px 0}.path-band,.battery-band,.charge-band,.guide{border-top:1px solid var(--line);padding-top:26px;margin-top:30px}.table-scroll{overflow-x:auto;position:relative;margin-top:18px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:11px 10px;text-align:left;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}th{color:var(--muted);font-weight:600}.two-up{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:22px}.charge-details{font-size:14px;line-height:1.8}.charge-details p{margin:12px 0}#charge-scene{height:200px}.battery-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;margin-top:23px}.battery-controls{background:#f0f5f6;padding:17px;align-self:start}#battery-scene{height:260px}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 40px;margin-top:24px}.guide p{font-size:14px;line-height:1.8;color:#445f66;margin:10px 0}footer{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);font-size:12px;line-height:1.9}#error,#battery-error{font-size:13px;line-height:1.6;color:#a62a23}[hidden]{display:none!important}
#scene{height:560px;aspect-ratio:auto}
@media(max-width:1150px){header,main{padding:20px}.workspace{grid-template-columns:210px minmax(0,1fr);gap:22px}.map-row{grid-template-columns:minmax(0,1fr) 170px;gap:16px}#meter{font-size:23px}.readouts dd{font-size:19px}}
@media(max-width:950px){#scene{height:auto;aspect-ratio:1;max-height:560px}.map-row{grid-template-columns:minmax(0,1fr)}.meter-panel{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.meter-panel h3{grid-column:1/-1}.meter-panel .node-values{margin:0}.meter-panel>p:last-child{grid-column:1/-1}#meter{margin:0}.meter-panel #swap{align-self:start}.readouts dd{font-size:18px}.battery-layout{gap:24px}}
@media(max-width:700px){header,main{padding:16px}header{align-items:start}h1{font-size:24px}.commands{gap:6px}.commands button{width:36px}.workspace{display:flex;flex-direction:column;gap:24px}.experiment{order:-1}.formula{font-size:18px}.section-head{gap:8px}.readouts{gap:10px}.readouts dt{font-size:11px}.readouts dd{font-size:17px}.map-row{gap:12px}#scene{min-height:288px}.meter-panel{gap:8px 16px}.meter-panel .caption{margin:0}.node-values dd{font-size:14px}.meter-panel .node-values{grid-column:1/-1}.inline{flex-wrap:wrap}.inline select{max-width:100%}.travel{gap:8px}.travel label{font-size:11px}.travel button{width:36px}.two-up,.battery-layout,.guide-grid{grid-template-columns:1fr;gap:24px}.battery-controls,aside{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;width:100%;padding:16px}aside>.field,aside>#uniform-inputs,aside>#source-inputs,aside>.charge-input,aside>.position,aside>#error{grid-column:1/-1}#uniform-inputs{display:grid;grid-template-columns:1fr 1fr;gap:14px}.battery-controls>.field{margin-bottom:4px}.battery-controls>#battery-error{grid-column:1/-1}input[type=number],select{font-size:16px;min-height:40px}.table-scroll table{min-width:625px}th,td{font-size:12px;padding:10px 8px}#profile{height:245px}#battery-scene{height:230px}.charge-details h3{margin-top:0}.path-band,.battery-band,.charge-band,.guide{margin-top:26px}}