:root{color-scheme:dark;--bg:#0e141b;--panel:#151e28;--line:#2a3644;--text:#edf2f6;--muted:#a7b5c5;--mint:#88e6c1;--yellow:#f4c568;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
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var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:#94a7ba;line-height:1.8}footer a{text-decoration:none}.text-button{background:none;border:0;color:var(--mint);font-size:10px;padding:0 0 0 18px}.sources{padding:20px 0;font-size:12px}.sources a{display:inline-block;margin:8px 20px 8px 0;color:var(--muted)}[hidden]{display:none!important}.hole{cursor:crosshair}.hole:hover{fill:#55c89d;stroke:#163d2e;stroke-width:2}.hole.selected{fill:#5eaa85;stroke:#caffde;stroke-width:2}.wire{stroke-linecap:round;stroke-linejoin:round;fill:none;pointer-events:none}.wire-new{stroke-dasharray:1;stroke-dashoffset:1;animation:draw-wire 1.8s ease forwards}.endpoint-focus{animation:pulse 1.1s ease-in-out infinite}.component-enter{animation:component-in .6s ease both}.meter-probe{stroke-dasharray:1;stroke-dashoffset:1;animation:draw-wire 1.4s ease forwards}.servo-arm.moving{transform-box:fill-box;transform-origin:50% 50%;animation:servo-turn 2.5s ease-in-out infinite}.focus-component{filter:drop-shadow(0 0 8px #88e6c155)}@keyframes draw-wire{to{stroke-dashoffset:0}}@keyframes pulse{50%{opacity:.3}}@keyframes component-in{from{opacity:0}to{opacity:1}}@keyframes servo-turn{0%,100%{transform:rotate(-12deg)}50%{transform:rotate(12deg)}}
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@media(max-width:430px){.transport #replay span{display:none}.transport button{padding:10px}.diagram-badge{font-size:6px;letter-spacing:.4px}.legend{padding:4px 14px 12px;gap:10px}.canvas-toolbar{font-size:10px}.step-outline ol{grid-template-columns:1fr}.text-button{padding-left:8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;scroll-behavior:auto!important}.wire-new,.meter-probe{stroke-dashoffset:0}}
.zoom-label{font-size:10px;white-space:nowrap;display:flex;align-items:center;gap:6px}.zoom-label select{background:#213242;border:1px solid #42576b;border-radius:4px;color:#cad9e6;padding:4px;font:inherit}.hole-controls{display:flex;align-items:center;gap:10px;padding:0 22px 12px;font-size:10px;color:#a9bccc}.hole-controls input{width:46px;border:1px solid #40576a;border-radius:4px;background:#1a2b3a;color:#ddede6;padding:5px;text-align:center}.hole-controls button{border:1px solid #40576a;border-radius:4px;background:#1a2b3a;color:#c4dece;padding:6px 9px;font-size:10px}@media(max-width:430px){.diagram-badge{display:none}.hole-controls{gap:8px;padding-left:14px}}
.commissioning{margin-top:32px;padding:28px;border:1px solid #355244;border-radius:12px;background:#14221f;scroll-margin-top:20px}.commissioning-heading{display:flex;gap:25px;justify-content:space-between;align-items:center}.commissioning h2{font-weight:580;letter-spacing:-.7px;font-size:27px;margin:12px 0}.commissioning-heading p{font-size:12px;color:#b9cbbf;max-width:750px}.release-banner{padding:14px 17px;background:#403a29;border-left:3px solid #f4c568;border-radius:4px;color:#e6d9b9;font-size:12px;line-height:1.7;margin:16px 0 20px}.release-banner strong{color:#ffe1a5}.commissioning-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.commissioning-tools label{font-size:11px;display:flex;gap:10px;align-items:center}.commissioning-tools span{font-size:10px;flex:1;min-width:150px;color:#a8beb1;line-height:1.6}.commissioning button,.commissioning select,.commissioning input,.commissioning textarea{background:#20342d;color:#e0f0e7;border:1px solid #496456;border-radius:5px;font:inherit;padding:9px 11px;max-width:100%}.commissioning button{font-size:11px}.commissioning select{font-size:12px}.storage-state{color:#a5baac;font-size:10px}.measurement-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:23px}.meter-workbench,.observation-card{padding:23px;border:1px solid #365344;border-radius:9px;background:#182b23;min-width:0}.point-label{display:block;font-size:12px;margin:13px 0 8px}.meter-workbench>select{width:100%}.probe-row{display:flex;gap:14px;align-items:flex-start;font-size:12px;margin:12px 0}.probe-row span{font-size:9px;letter-spacing:1px;padding:5px 7px;background:#283c35;border-radius:4px;flex-shrink:0}.probe-row.black span{background:#222e34;color:#c5d5df}.probe-row.red span{background:#542e29;color:#ffbdb1}.probe-row p{margin:0;color:#cfdfd7}.point-stage{font-size:11px;color:#cee8d9;border-top:1px solid #385345;padding-top:13px}.point-range{font-size:15px;color:#f4d084;font-weight:550}.point-hint{font-size:11px;color:#aabeb2;line-height:1.7}#measurement-form label{display:block;font-size:11px;color:#bacfc1;margin:16px 0 8px}#measurement-form>div{display:flex;gap:8px}#measurement-form input{width:100%;min-width:0;font-size:17px}#measurement-form button{background:#8be5be;color:#153b28;font-weight:650;white-space:nowrap}.feedback{font-size:12px;line-height:1.6;padding:12px 14px;border-radius:5px;background:#263930;color:#c4d9cb}.feedback[data-state=stop]{background:#4b2728;color:#ffbdaf;border-left:3px solid #ef856c}.feedback[data-state=within]{background:#214335;color:#b8f0cb}.fault-trainer{margin-top:18px;border-top:1px solid #3a5144;padding-top:14px;font-size:12px}.fault-trainer summary{cursor:pointer;color:#bdd9c8}.fault-trainer label{display:block;font-size:10px;color:#b4c7bb;margin:13px 0 8px}.fault-trainer select{width:100%}.fault-trainer p{font-size:11px;color:#ddc99d}.observation-heading{display:flex;justify-content:space-between;gap:12px}.observation-heading>span:last-child{font-size:10px;color:#a9c1b1}#observations{display:flex;flex-direction:column;gap:13px;margin:20px 0}#observations label{display:flex;align-items:flex-start;gap:10px;font-size:12px;line-height:1.5;color:#cfddd4}#observations input{margin-top:3px;accent-color:#8be5be;flex-shrink:0}.observation-card>label{font-size:11px;display:block;margin:20px 0 9px}.observation-card textarea{width:100%;resize:vertical;font-size:12px;line-height:1.6}.record-heading{display:flex;align-items:center;justify-content:space-between;margin-top:24px}.record-heading h3{font-weight:550;font-size:17px}.record-heading span{font-size:11px;color:#aec2b5}.record-scroll{overflow:auto}.measurement-table{border-collapse:collapse;width:100%;font-size:11px;text-align:left}.measurement-table th{color:#93bca2;font-size:10px;text-transform:uppercase;letter-spacing:.6px;font-weight:600}.measurement-table td,.measurement-table th{padding:12px;border-bottom:1px solid #30493b;white-space:nowrap}.measurement-table tr[data-state=stop] td{color:#ffae9f}.cross-checks{font-size:12px;color:#ffc0aa;line-height:1.7}.cross-checks:empty{display:none}.test-point{cursor:pointer}.test-point:hover circle,.test-point:focus circle{stroke:#fff5d4;stroke-width:4}.test-point:focus{outline:none}
@media(max-width:900px){.measurement-grid{grid-template-columns:1fr}.commissioning-heading{display:block}.commissioning{padding:20px}.commissioning-tools{align-items:flex-start}.commissioning-tools span{flex-basis:100%}.commissioning h2{font-size:23px}}@media(max-width:430px){.commissioning{padding:16px}.meter-workbench,.observation-card{padding:15px}.commissioning-tools label{flex-wrap:wrap}#measurement-form>div{flex-direction:column}}
@media print{body{background:white!important;color:#111!important}.topbar,.intro,.chapters,.workspace,.bench-notes,footer,.sources,.commissioning-tools,.meter-workbench,.release-banner,.storage-state{display:none!important}main{padding:0;max-width:none}.commissioning{margin:0;padding:0;border:0;background:white!important}.commissioning-heading{display:block}.commissioning-heading a{display:none}.measurement-grid{display:block}.observation-card{border:1px solid #bbb;background:white!important;padding:10px}.commissioning h2,.commissioning p,.commissioning label,.commissioning span,.commissioning h3,.commissioning th,.commissioning td{color:#111!important}.feedback{background:#eee!important;border:1px solid #aaa}.measurement-table{font-size:9px}.measurement-table th,.measurement-table td{white-space:normal;padding:7px;color:#111!important}.record-scroll{overflow:visible}.commissioning textarea{color:#111!important;background:white!important}.record-heading{break-after:avoid}tr{break-inside:avoid}}
.print-notes{display:none}@media print{.print-notes{display:block;white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.5 sans-serif;color:#111}}
/* Start route, command boxes and larger bench-readable instruction text. */
.top-links{display:flex;gap:18px}.start-card{margin:28px 0 0;padding:20px 22px;border:1px solid #2f4a42;border-radius:12px;background:linear-gradient(135deg,#16261f,#151e28)}.start-card>p{font-size:13px;color:var(--muted);margin:14px 0 0}.route{list-style:none;padding:0;margin:14px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.route button{width:100%;height:100%;text-align:left;border:1px solid #35534a;border-radius:9px;background:#1b2c27;color:var(--text);padding:12px 14px;display:grid;gap:4px}.route button:hover{border-color:var(--mint)}.route span{font-family:monospace;font-size:11px;color:var(--mint)}.route b{font-size:14px;font-weight:600}.route em{font-style:normal;font-size:12px;color:var(--muted)}.inline-link{background:none;border:0;padding:0;color:var(--mint);text-decoration:underline;font-size:inherit}
.cmd-list{display:grid;gap:6px;margin:0 0 16px}.cmd{display:flex;align-items:center;gap:8px;background:#0d151d;border:1px solid #2c3d4e;border-radius:6px;padding:6px 6px 6px 10px}.cmd code{flex:1;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:#f4c568;overflow-wrap:anywhere}.cmd button{border:1px solid #3c5468;border-radius:5px;background:#1d2c3a;color:#cfe0ee;font-size:11px;padding:5px 9px;white-space:nowrap}
.instruction-panel>p{font-size:14px;line-height:1.6}.check-card p{font-size:13.5px}.instruction-panel .step-note{font-size:12.5px}.check-card .eyebrow,.connection-card .eyebrow{font-size:9px}.power-state{font-size:9px}.step-outline button{font-size:11.5px}.workspace{grid-template-columns:minmax(0,1fr) 370px}.sketches code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#f4c568}
@media(max-width:900px){.route{grid-template-columns:1fr 1fr}}
@media(max-width:800px){.workspace{grid-template-columns:1fr}.top-links{gap:12px}}
@media(max-width:430px){.route{grid-template-columns:1fr}.top-links .text-link:last-child{display:none}}
/* Technical reference blocks. */
.intro h1{font-size:clamp(22px,2.2vw,32px);letter-spacing:-.6px}.spec{display:grid;grid-template-columns:auto auto;gap:4px 14px;margin:0;font-size:12px;flex-shrink:0}.spec dt{color:var(--muted)}.spec dd{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#d6e2ec}
.reference{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding:32px 0 8px}.reference .eyebrow{font-size:9px;color:#9fb4c4}.ref-list{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:7px;font-size:13px;color:#c3d0dd}.ref-list li{display:grid;grid-template-columns:150px 1fr;gap:10px;align-items:baseline}.ref-list code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:#f4c568}.ref-list a{color:var(--mint)}
@media(max-width:900px){.reference{grid-template-columns:1fr;gap:22px}}
@media(max-width:430px){.ref-list li{grid-template-columns:1fr;gap:2px}.spec{display:none}}