/* Stoplight refinement. Shared EF identity and original Reset dialog remain in family.css. */
:root{--space-sm:8px;--space-md:12px;--space-lg:16px;--space-xl:24px;--space-xxl:32px}

*{scrollbar-width:thin;scrollbar-color:var(--field-border) var(--paper)}
button,select{touch-action:manipulation}
button:disabled:hover{background:var(--surface);border-color:var(--line)}
button.primary:disabled:hover{background:var(--ink);border-color:var(--ink)}
p{line-height:1.55}
/* Shared masthead and landing geometry follow Humanitarian Relief / Smart Light.
   The masthead stays the same size when entering or leaving the workbench. */
.app-header{margin:0 24px;min-height:64px;padding:10px 0;gap:20px;border-bottom:1px solid var(--line)}
.app-header .brand{font-size:17px;font-weight:600;letter-spacing:-.025em;gap:10px;white-space:nowrap}
.app-header .brand strong{display:block;max-width:none;font-weight:600;line-height:1;transform:translateY(1px)}
.app-header .brand-mark svg{width:38px;height:auto}
.landing-active .header-actions{display:none}
.landing-active .landing-course{display:block;font-size:13px;letter-spacing:.2em}
#landing-page{gap:clamp(12px,2vw,32px)}
#landing-page .landing-copy{min-width:0;position:relative;z-index:1;padding-bottom:0}
#landing-page .landing-lab{gap:20px;margin-bottom:clamp(20px,3vh,32px)}
#landing-page .landing-lab>span{width:54px;height:54px;font-size:26px;box-shadow:3px 3px 0 var(--ink)}
#landing-page .landing-lab>strong{padding:0;font-size:clamp(18px,1.9vw,28px)}
#landing-page .landing-intro{line-height:1.45;max-width:52ch}
#landing-page .landing-intro p{line-height:inherit;margin:0 0 16px}
#landing-page .landing-preview{position:relative;min-width:0;width:100%;aspect-ratio:1;max-height:max(280px,calc(100svh - 180px));margin:0}
#landing-page .landing-illustration{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;user-select:none;-webkit-user-drag:none}
#landing-page .landing-enter{gap:8px;grid-template-columns:minmax(0,1fr) 132px;min-height:120px;padding:16px 0 16px 24px;margin-top:8px;border-radius:0;overflow:visible;transition:background 180ms ease-out}
#landing-page .envelope-label{position:relative;grid-row:1}
#landing-page .envelope-label strong{display:block;font-weight:700;font-size:clamp(32px,2.8vw,40px);line-height:1.12}
#landing-page .crossing-entry{position:absolute;right:0;top:50%;transform:translateY(-50%);width:132px;height:124px;pointer-events:none;overflow:visible}
.crossing-recess{fill:var(--ink)}
.crossing-rim{fill:var(--selected);stroke:var(--ink);stroke-width:2}
.crossing-ring-seat{stroke:var(--ink);stroke-width:7.5}
.crossing-ring{stroke:var(--red);stroke-width:6}
.crossing-ring-glow{stroke:var(--lamp-green);stroke-width:10;opacity:0}
.crossing-dome{fill:url(#crossing-dome);stroke:var(--ink);stroke-width:1.5}
.crossing-dome-light{stop-color:var(--surface)}
.crossing-dome-mid{stop-color:var(--paper)}
.crossing-dome-edge{stop-color:var(--selected)}
.crossing-person circle{fill:var(--ink)}
.crossing-person path{stroke:var(--ink);stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round}
.crossing-button-face{transform-box:view-box;transform-origin:62px 62px;transition:transform 120ms cubic-bezier(.2,.7,.2,1)}
[data-crossing="pressing"] .crossing-button-face,[data-crossing="actuated"] .crossing-button-face{transform:scale(.96)}
[data-crossing="actuated"] .crossing-ring{stroke:var(--green)}
[data-crossing="actuated"] .crossing-ring-glow{opacity:.6;animation:crossing-ring-illuminate 180ms ease-out both}
@keyframes crossing-ring-illuminate{0%{opacity:0}30%{opacity:.9}100%{opacity:.6}}
.crossing-arm-front,.crossing-arm-back{transform-box:view-box;transform-origin:62px 48px}
.crossing-leg-front,.crossing-leg-back{transform-box:view-box;transform-origin:58px 59px}
:is([data-crossing="pressing"],[data-crossing="actuated"]) .crossing-gait{animation:crossing-walk-bob 420ms ease-in-out both}
:is([data-crossing="pressing"],[data-crossing="actuated"]) .crossing-arm-front{animation:crossing-walk-forward 420ms ease-in-out both;--stride-angle:-50deg}
:is([data-crossing="pressing"],[data-crossing="actuated"]) .crossing-arm-back{animation:crossing-walk-forward 420ms ease-in-out both;--stride-angle:50deg}
:is([data-crossing="pressing"],[data-crossing="actuated"]) .crossing-leg-front{animation:crossing-walk-forward 420ms ease-in-out both;--stride-angle:48deg}
:is([data-crossing="pressing"],[data-crossing="actuated"]) .crossing-leg-back{animation:crossing-walk-forward 420ms ease-in-out both;--stride-angle:-48deg}
@keyframes crossing-walk-forward{0%,100%{transform:rotate(0)}50%{transform:rotate(var(--stride-angle))}}
@keyframes crossing-walk-bob{0%,50%,100%{transform:translateY(0)}25%,75%{transform:translateY(-1px)}}
#landing-page .landing-enter:hover{background:var(--entry-hover);border-color:var(--ink)}
#landing-page .landing-enter:active{transform:none;box-shadow:3px 3px 0 var(--ink)}
#landing-page .landing-links{display:flex;margin-top:20px;gap:18px}
#landing-page .landing-links button{font-weight:600}
@media(max-width:760px){
 .landing-active .landing-course{font-size:10px;letter-spacing:.12em}
 #landing-page{width:100%;grid-template-columns:1fr;padding:32px 24px;gap:0;min-height:calc(100svh - 64px)}
 #landing-page .landing-copy{max-width:580px;margin-inline:auto}
 #landing-page #landing-title{font-size:clamp(44px,8.5vw,64px);line-height:.99}
 #landing-page .landing-preview{max-height:none;max-width:560px;margin:12px auto 0}
 #landing-page .landing-links{gap:12px}
}
@media(min-width:761px) and (max-height:780px){
 #landing-page .landing-lab{margin-bottom:18px}
 #landing-page #landing-title{margin-bottom:16px}
 #landing-page .landing-links{margin-top:14px}
}
@media(min-width:761px) and (max-width:1000px) and (min-height:700px){
 #landing-page{width:100%;max-width:720px;grid-template-columns:minmax(0,1fr);gap:24px}
 #landing-page .landing-copy{max-width:580px;margin-inline:auto}
 #landing-page .landing-preview{max-width:520px;max-height:none;margin-inline:auto}
}
@media(max-width:700px){
 .app-header{margin-inline:16px;column-gap:12px;row-gap:8px}
 .app-header .brand{min-width:0;white-space:normal}
 .app-header .brand strong{line-height:1.2}
}
@media(max-height:500px) and (min-width:701px){
 #landing-page{width:100%}
 #landing-page .landing-preview{max-height:none}
}
@media(max-width:600px){
 .app-header{margin-inline:16px;gap:8px}
 .app-header .brand{font-size:14px;gap:8px}
 .app-header .brand-mark svg{width:28px}
 .landing-active .landing-course{display:block;font-size:10px;letter-spacing:.08em}
 #landing-page{min-height:0;padding:24px 20px 32px;gap:24px}
 #landing-page .landing-copy{width:100%}
 #landing-page .landing-lab{gap:12px;margin-bottom:20px}
 #landing-page .landing-lab>span{width:36px;height:36px;font-size:18px;box-shadow:2px 2px 0 var(--ink)}
 #landing-page .landing-lab>strong{font-size:18px}
 #landing-page #landing-title{font-size:clamp(40px,10.5vw,56px);line-height:1.04;margin-bottom:20px}
 #landing-page .landing-intro{font-size:16px;line-height:1.5}
 #landing-page .landing-enter{grid-template-columns:minmax(0,1fr) 76px;min-height:88px;padding:16px 0 16px 16px;gap:4px}
 #landing-page .envelope-label strong{font-size:28px}
 #landing-page .crossing-entry{width:76px;height:90px}
 #landing-page .landing-links{display:grid;grid-template-columns:1fr;margin-top:24px;gap:0}
 #landing-page .landing-links button{min-height:44px;gap:10px;font-size:14px}
 #landing-page .landing-links svg{width:20px;height:20px}
 #landing-page .landing-preview{max-width:320px;margin:0 auto}
}
@media(max-width:360px){
 .app-header .brand strong{max-width:100px}
 .landing-active .landing-course{display:none}
}
@media(prefers-reduced-motion:reduce){#landing-page .landing-enter,.crossing-button-face{transition:none}.crossing-person *,.crossing-ring-glow{animation:none!important}}
/* Workbench geometry */
.workspace{width:100%;max-width:none;margin:0;padding:0 24px 24px}
.lab-banner{max-width:none;width:auto;margin:0 24px 16px;min-height:84px;gap:14px;padding:16px 0 0}
.lab-banner>.lab-number{width:36px;height:40px;font-size:14px;border-radius:0;margin-bottom:16px}
.lab-banner h1{min-width:0;margin:0 0 16px;font-size:24px;font-weight:800;letter-spacing:-.025em;line-height:1.2}
.main-tabs button[aria-pressed=true]{background:var(--accent);color:var(--ink);border-bottom-color:var(--accent)}
.main-tabs button:hover{color:var(--ink);background:var(--selected)}
.workbench{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,0.95fr);gap:12px;align-items:start;min-height:0}
.stage-column{min-width:0;min-height:0}
.simulation{display:flex;flex-direction:column;border:2px solid var(--ink);background:var(--surface);box-shadow:var(--panel-shadow);min-width:0}
#status{font-size:13px;font-weight:600;display:flex;gap:8px;align-items:center;line-height:1.5;color:var(--ink)}
#status::before{content:"";width:8px;height:8px;flex:0 0 8px;border-radius:50%;background:var(--muted);border:1px solid var(--muted)}
#status[data-state="off"],#status[data-state="halted"]{color:var(--muted)}
#status[data-state="running"]::before{background:var(--green);border-color:var(--green)}
#status[data-state="booting"]::before,#status[data-state="paused"]::before,#status[data-state="waiting"]::before{background:var(--yellow);border-color:var(--ochre-dark)}
#status[data-state="fault"]::before{background:var(--red);border-color:var(--red)}
@media(forced-colors:active){#status::before{background:CanvasText;border-color:CanvasText}}
.clock{margin-left:auto;font:600 16px/1.5 ui-monospace,monospace;font-variant-numeric:tabular-nums;white-space:nowrap}
.scene{background:var(--paper);overflow:hidden}
.scene-frame{position:relative;width:100%}
.scene canvas{display:block;width:100%;height:auto;aspect-ratio:25 / 17;image-rendering:auto}
.street{position:absolute;background:var(--paper);color:var(--ink);border:1px solid var(--field-border);font-size:11px;line-height:1.2;padding:5px 7px;pointer-events:none}
.north{top:8px;left:50%;transform:translateX(-50%)}
.east{right:8px;top:49%}
.scene-note{display:none}
.compass{position:absolute;top:12px;right:16px;color:var(--muted);font-size:11px;text-align:center;pointer-events:none}
.compass svg{display:block;width:16px;height:24px;margin:2px auto 0}
/* Signals and transport: stable alignment even when requests queue or states wrap. */
.signal-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:2px solid var(--ink);flex-shrink:0}
.signal-summary{display:grid;align-content:start;gap:8px;padding:12px;min-width:0}
.signal-summary+div{border-left:1px solid var(--line)}
.axis{font-size:13px;font-weight:700}
.lamps{display:flex;flex-direction:column;gap:3px;padding:4px;background:var(--ink);border-radius:2px;width:19px}
.lamps i{width:11px;height:11px;border-radius:50%;background:var(--lamp-off)}
.lamps .on.red{background:var(--lamp-red)}
.lamps .on.yellow{background:var(--lamp-yellow)}
.lamps .on.green{background:var(--lamp-green)}
.ped-button{font-size:12px;padding:10px 12px;line-height:1.4;text-align:center;background:var(--paper);border-color:var(--field-border);touch-action:none}
.ped-button span{display:inline;margin-left:4px}
.ped-button[aria-pressed=true]{background:var(--selected);border-color:var(--ink);color:var(--ink);opacity:1}
.ped-button:active{background:var(--selected);border-color:var(--ink)}
.ped-button,.workbench-toolbar button{transition:background-color .12s ease-out,border-color .12s ease-out}
select{min-height:44px;padding:8px;background:var(--surface);border:1px solid var(--field-border);border-radius:2px;font-size:14px}
.quiet{border-color:transparent;background:transparent;color:var(--muted)}
.quiet:hover{color:var(--ink);background:var(--hover);border-color:var(--line)}
/* Timing sheet */
aside{border:2px solid var(--ink);background:var(--surface);min-width:0;padding:0 20px 20px}
.panel-heading{background:var(--accent);border-bottom:2px solid var(--ink);margin:0 -20px 20px;padding:14px 20px}
.panel-heading h2{font-size:16px;line-height:1.3;margin:0}
.aside-intro{font-size:13px;color:var(--muted);margin-bottom:20px;max-width:38ch}
.timing-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.timing-inputs label{min-width:0;font-size:13px;font-weight:600}
.timing-inputs label>div{display:flex;align-items:center;border:1px solid var(--field-border);margin-top:8px;padding-right:10px;background:var(--paper)}

.timing-inputs input{width:100%;padding:10px 8px;border:0;background:transparent;font-size:22px;font-weight:600}

.timing-inputs label>div>span{font-size:12px;font-weight:400;color:var(--muted)}
.field-note{font-size:12px;color:var(--muted);line-height:1.55;margin:12px 0 0}
.bonuses{margin:24px 0 20px}
.bonuses label{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--line);cursor:pointer;align-items:flex-start;min-height:66px}
.bonuses label:hover{background:var(--paper)}
.bonuses input{accent-color:var(--ink);width:18px;height:18px;min-height:0;flex:none;margin:1px 0}
.bonuses b{font-size:13px;line-height:1.4;display:block}
.bonuses small{display:block;font-size:12px;line-height:1.5;color:var(--muted);margin-top:4px}
.bonuses em{margin-left:auto;font:12px/1.5 ui-monospace,monospace;color:var(--muted);padding-top:1px}
.apply{width:100%;background:var(--ink);color:var(--surface);border:2px solid var(--ink);box-shadow:2px 2px 0 var(--ink)}
.apply:hover{background:var(--primary-hover)}
.defaults{width:100%;font-size:12px;margin-top:8px}
#formMessage{font-size:12px;color:var(--muted);line-height:1.5;text-align:center;margin:8px 0 20px;min-height:36px}
#settings[data-dirty=true] #formMessage{color:var(--ink);font-weight:600}
.phase-readout{border-top:1px solid var(--ink);padding-top:16px;display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px}
.phase-readout strong{margin-left:auto;font-size:24px;line-height:1.2;font-variant-numeric:tabular-nums;white-space:nowrap}
.phase-readout small{font-size:12px;font-weight:400;color:var(--muted)}
.phase-track{width:100%;background:var(--rule);height:5px}
#phaseProgress{height:100%;background:var(--ink);width:0}
/* Readouts share one ruled notebook rhythm. */
.timing-section{padding:32px 0;border-bottom:1px solid var(--ink);scroll-margin-top:24px}
.section-title{display:flex;align-items:baseline;gap:12px 16px;margin-bottom:20px;flex-wrap:wrap}
.section-title h2{font-size:20px;line-height:1.25;letter-spacing:-.02em;margin:0}
.section-title p,.section-title>span{font-size:12px;color:var(--muted);margin:0;line-height:1.5}
.legend{margin-left:auto;display:flex;gap:7px;align-items:center}
.legend i{width:8px;height:8px;margin-left:8px}
.green{background:var(--green)}.yellow{background:var(--yellow)}.red{background:var(--red)}
.timeline-row{display:flex;align-items:center;gap:16px;margin:10px 0}
.timeline-row>b{width:38px;flex:none;font-size:13px}
.segments{display:flex;flex:1;min-width:0;gap:3px;height:36px}
.segment{display:flex;align-items:center;justify-content:center;color:var(--surface);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;min-width:0;overflow:hidden;white-space:nowrap}
.segment.yellow{color:var(--ink)}
.timeline-note{font-size:12px;color:var(--muted);line-height:1.55;margin:16px 0 0 54px}
.inspect-section{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;padding:0;min-height:0}
.inspector,.trace{min-width:0}
.inspect-section .inspector,.inspect-section .trace{display:flex;flex-direction:column;min-height:0;border:2px solid var(--ink);background:var(--surface);padding:12px 16px;box-shadow:var(--panel-shadow)}
.inspect-section .section-title{margin-bottom:12px;flex-shrink:0}.inspect-section h2{font-size:16px}
.pin-labels,.pin-row{display:grid;grid-template-columns:minmax(120px,1.2fr) repeat(2,minmax(0,1fr));gap:12px;align-items:center}
.pin-labels{font-size:12px;line-height:1.4;color:var(--muted);padding:12px 8px;background:var(--rule);border-top:1px solid var(--ink)}
.pin-row{border-bottom:1px solid var(--line);padding:12px 8px;font-size:13px;line-height:1.4}
.pin-row:nth-child(even){background:var(--surface)}
.pin-value{font:12px ui-monospace,monospace;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pin-value b{font-weight:400;min-width:40px}
.pin-value i{font-style:normal}
.pin-value.high i{color:var(--green);font-weight:700}
.trace button{margin-left:auto;font-size:12px}
.trace .section-title{align-items:center;margin-bottom:12px}
.trace-window{font:12px ui-monospace,monospace;color:var(--muted);font-variant-numeric:tabular-nums}
.signal-timeline{display:grid;gap:6px;padding:10px 0 12px;border-top:1px solid var(--ink);flex-shrink:0}
.signal-timeline>.field-note{margin:0}
.timeline-track{display:grid;grid-template-columns:68px minmax(0,1fr);gap:8px;align-items:center;font-size:11px}
.timeline-label{font-weight:700;color:var(--ink);white-space:nowrap}
.timeline-bar{display:flex;height:22px;background:var(--paper);border:1px solid var(--field-border);overflow:hidden}
.timeline-seg{display:flex;align-items:center;justify-content:center;min-width:0;overflow:hidden;white-space:nowrap;font:700 10px/1 ui-monospace,monospace;font-variant-numeric:tabular-nums;border-right:1px solid var(--ink);color:var(--surface)}
.timeline-seg:last-child{border-right:0}
.timeline-seg.state-green{background:var(--lamp-green);color:#0b2416}
.timeline-seg.state-yellow{background:var(--lamp-yellow);color:var(--ink)}
.timeline-seg.state-red,.timeline-seg.state-dont{background:var(--lamp-red);color:#ffffff}
.timeline-seg.state-walk{background:#e0f2fe;color:#0c4a6e}
.timeline-seg.state-multi{background:#7c2d12;color:#ffffff}
.timeline-seg.state-off{background:var(--paper);color:var(--muted)}
#events{max-height:360px;overflow:auto;overscroll-behavior:contain;border-top:1px solid var(--ink);padding-right:8px}
.event{display:flex;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.5}
.event[data-type="note"]{background:var(--selected);padding-inline:8px;font-weight:600}
.event time{font:12px/1.6 ui-monospace,monospace;color:var(--muted);flex:none;font-variant-numeric:tabular-nums}
/* Reading surface; confirmation dialogs keep their original shared geometry. */
#guide-dialog{width:min(980px,calc(100vw - 40px));--guide-section-gap:32px;--guide-body-size:14px;--guide-caption-size:12px;--guide-heading-size:20px}
#guide-dialog #guide-close{min-height:44px;min-width:64px}
.guide-brief-copy,.guide-submission>*{min-width:0}
.guide-content p,.guide-content li{font-size:var(--guide-body-size);line-height:1.6;max-width:68ch;text-wrap:pretty}
.guide-content kbd{display:inline-block;min-width:1.7em;padding:1px 5px;border:1px solid var(--field-border);border-bottom-width:2px;border-radius:2px;background:var(--surface);color:var(--ink);font:12px/1.4 ui-monospace,monospace;text-align:center;white-space:nowrap}
.guide-content code{font:13px/1.4 ui-monospace,monospace;background:var(--paper);border:1px solid var(--line);padding:1px 5px;border-radius:2px}
.guide-brief{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:center;padding-bottom:28px;border-bottom:2px solid var(--ink);margin-bottom:28px}
.guide-brief h2{font:750 clamp(26px,3vw,34px)/1.12 Fraunces,Georgia,serif;letter-spacing:-.02em;margin:0 0 12px;text-wrap:balance}
.guide-brief p{margin:0;color:var(--ink)}
.guide-brief .guide-course{font-size:var(--guide-caption-size);line-height:1.4;color:var(--muted);margin:0 0 12px}
.guide-points{display:grid;min-width:0;border-block:1px solid var(--line)}
.guide-point{padding:12px 0;display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:16px;row-gap:2px;align-items:center}
.guide-point+.guide-point{border-top:1px solid var(--line)}
.guide-point span{font-size:var(--guide-caption-size);line-height:1.4;color:var(--muted)}
.guide-point strong{grid-column:2;grid-row:1 / 3;font-size:18px;line-height:1.3;font-variant-numeric:tabular-nums}
.guide-point small{grid-column:1;font-size:var(--guide-body-size);line-height:1.5;color:var(--ink)}
.guide-kit{display:grid;grid-template-columns:minmax(0,1fr) 140px;align-items:center;gap:32px;margin-bottom:12px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.guide-kit-copy{min-width:0}
.guide-kit-copy h2{margin:0 0 8px;font-size:16px;line-height:1.35}
.guide-kit-copy p{margin:0}
.kit-animation{--kit-w:30px;--kit-h:calc(var(--kit-w)*3.48);--kit-gap:18px;position:relative;width:100%;padding-top:20px}
.kit-perspective{perspective:340px;perspective-origin:50% 35%;height:calc(var(--kit-h) + 6px)}
.kit-assembly{position:relative;width:100%;height:var(--kit-h);transform:rotateX(10deg);transform-style:preserve-3d}
.kit-board{position:absolute;top:0;width:var(--kit-w);height:var(--kit-h);transform-style:preserve-3d;transition:transform 1400ms cubic-bezier(.65,0,.35,1)}
.kit-board-left{right:50%;transform-origin:right center;transform:translateX(0) rotateY(-45deg)}
.kit-board-right{left:50%;transform-origin:left center;transform:translateX(0) rotateY(45deg)}
.kit-board-face{position:absolute;inset:0;overflow:hidden;background:#10462b;border-radius:2px;box-shadow:0 0 0 1px #123a27}
.kit-board-face img{position:absolute;left:-10%;top:-2%;width:120%;height:104%;max-width:none;pointer-events:none}
.kit-board::after{content:"";position:absolute;top:0;bottom:0;width:2px;background:#829273;transform-origin:left center;transform:rotateY(90deg)}
.kit-board-number{position:absolute;top:-20px;left:0;right:0;text-align:center;font-size:var(--guide-caption-size);font-weight:600;color:var(--ink)}
.kit-direction-labels{display:flex;justify-content:center;gap:calc(var(--kit-gap)*2);opacity:0;font-size:var(--guide-caption-size);line-height:1.5;text-align:center;transition:opacity 300ms}
.kit-direction-labels>span{width:var(--kit-w);color:var(--muted)}
@media(max-width:480px){.guide-kit{grid-template-columns:minmax(0,1fr) 112px;gap:12px}.kit-animation{--kit-w:26px;--kit-gap:16px}}
.guide-kit[data-mode=split] .kit-board-left{transform:translateX(calc(-1*var(--kit-gap))) rotateY(0)}
.guide-kit[data-mode=split] .kit-board-right{transform:translateX(var(--kit-gap)) rotateY(0)}
.guide-kit[data-mode=loop] .kit-board-left{animation:kit-unfold-left 10s infinite}
.guide-kit[data-mode=loop] .kit-board-right{animation:kit-unfold-right 10s infinite}
@keyframes kit-unfold-left{0%,22%,100%{transform:translateX(0) rotateY(-45deg)}46%,76%{transform:translateX(calc(-1*var(--kit-gap))) rotateY(0)}22%,76%{animation-timing-function:cubic-bezier(.65,0,.35,1)}}
@keyframes kit-unfold-right{0%,22%,100%{transform:translateX(0) rotateY(45deg)}46%,76%{transform:translateX(var(--kit-gap)) rotateY(0)}22%,76%{animation-timing-function:cubic-bezier(.65,0,.35,1)}}
@keyframes kit-label-split{0%,36%,90%,100%{opacity:0}46%,76%{opacity:1}}
.guide-kit[data-mode=split] .kit-direction-labels{opacity:1}
.guide-kit[data-mode=loop] .kit-direction-labels{animation:kit-label-split 10s infinite}
.guide-kit[data-playback=paused] .kit-board,.guide-kit[data-playback=paused] .kit-direction-labels{animation-play-state:paused}
@media(prefers-reduced-motion:reduce){.kit-board,.kit-direction-labels{transition:none}.guide-kit[data-mode=loop] .kit-board,.guide-kit[data-mode=loop] .kit-direction-labels{animation:none}}
.guide-steps{display:grid;margin-bottom:var(--guide-section-gap)}
.guide-step{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;padding:24px 0}
.guide-step+.guide-step{border-top:1px solid var(--line)}
.guide-step-body{display:grid;gap:12px;min-width:0}
.guide-step-head{display:grid;grid-template-columns:28px minmax(0,1fr);align-items:start;align-content:start;gap:6px 12px}
.guide-step-num{display:inline-grid;place-items:center;grid-row:1 / 3;width:28px;height:28px;background:var(--accent);border:1.5px solid var(--ink);font:600 12px/1.4 Arial,Helvetica,sans-serif}
.guide-step-head h3{font-size:16px;line-height:1.35;margin:0;min-width:0}
.guide-step-tag{grid-column:2;justify-self:start;font:600 12px/1.4 Arial,Helvetica,sans-serif;color:var(--muted)}
.guide-step p{margin:0;font-size:var(--guide-body-size);line-height:1.6}
#guide-dialog .guide-columns{margin-bottom:var(--guide-section-gap)}
#guide-dialog .guide-reference{grid-template-columns:minmax(0,1fr);gap:32px}
#guide-dialog .guide-columns p,#guide-dialog .guide-columns li{font-size:var(--guide-body-size);line-height:1.6}
.guide-table-scroll,.guide-cycle-scroll{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;margin:10px 0 12px}
.guide-table{width:100%;min-width:400px;border-collapse:collapse;font-size:13px;line-height:1.5;margin:0;background:var(--paper);border:1px solid var(--ink)}
.guide-table th,.guide-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.guide-table tbody tr:last-child :is(td,th){border-bottom:0}
.guide-table tbody tr:nth-child(even){background:var(--surface)}
.guide-table thead th{background:var(--selected);font-weight:700;border-bottom:1px solid var(--ink)}
.guide-table th[scope=row]{background:transparent;font-weight:600;white-space:nowrap}
.guide-table code{padding:0;border:0;background:transparent;font-size:inherit}
.guide-cycle{min-width:420px;background:var(--paper);border:1px solid var(--ink);padding:16px;margin:0;display:grid;gap:10px}
.guide-cycle-row{display:grid;grid-template-columns:64px minmax(0,1fr);gap:8px;align-items:center;font-size:var(--guide-caption-size);line-height:1.4;font-weight:600}
.guide-cycle-bar{display:flex;height:24px;border:1px solid var(--ink);overflow:hidden}
.guide-cycle-bar i{font:600 11px/22px ui-monospace,monospace;font-style:normal;text-align:center;white-space:nowrap;border-right:1px solid var(--ink)}
.guide-cycle-bar i:last-child{border-right:0}
.guide-cycle-bar .seg-g{background:var(--lamp-green);color:#0b2416}
.guide-cycle-bar .seg-y{background:var(--lamp-yellow);color:var(--ink)}
.guide-cycle-bar .seg-r,.guide-cycle-bar .seg-dw{background:var(--lamp-red);color:#38120c}
.guide-cycle-bar .seg-w{background:var(--surface);color:var(--ink)}
.guide-cycle-ticks{position:relative;height:18px;margin-left:72px;font:11px/1.4 ui-monospace,monospace;color:var(--muted)}
.guide-cycle-ticks span{position:absolute;left:calc(var(--tick)/18*100%);transform:translateX(-50%)}
.guide-cycle-ticks span:first-child{transform:none}
.guide-cycle-ticks span:last-child{transform:translateX(-100%)}
.guide-code{margin:10px 0 12px;padding:12px 14px;background:var(--paper);border:1px solid var(--ink);font:13px/1.6 ui-monospace,monospace;overflow-x:auto;white-space:pre}
.guide-list{margin:0;padding-left:18px}
.guide-list li{font-size:var(--guide-body-size);line-height:1.6;margin-bottom:8px}
.guide-submission{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);column-gap:32px;margin:0 0 var(--guide-section-gap);padding:24px;background:var(--selected);border:1px solid var(--ink)}
.guide-submission>h2,.guide-submission-lead{grid-column:1 / -1}
.guide-submission h2,.guide-reflection h2{margin:0 0 10px;font-size:var(--guide-heading-size);line-height:1.3}
.guide-content .guide-submission-lead{margin:0 0 24px;font-size:18px;line-height:1.45;font-weight:600}
.guide-content .guide-submission-lead code{font-size:inherit}
.guide-submission ol{margin:0;padding-left:22px}
.guide-submission li{padding-left:4px;margin-bottom:8px}
.guide-submission li::marker{font-weight:700}
.guide-backup-note{padding-left:24px;border-left:1px solid var(--field-border)}
.guide-backup-note h3{margin:0 0 8px;font-size:16px;line-height:1.4}
.guide-backup-note p{margin:0}
.guide-reflection{margin-bottom:var(--guide-section-gap);padding-top:24px;border-top:1px solid var(--line)}
.guide-reflection p{margin:0 0 10px}
@media(max-width:600px){.guide-submission{grid-template-columns:minmax(0,1fr);padding:20px 16px}.guide-backup-note{margin-top:20px;padding:16px 0 0;border-left:0;border-top:1px solid var(--field-border)}}
#guide-dialog .guide-footer{margin-bottom:0}
#guide-dialog .guide-footer h2{font-size:16px;line-height:1.35;margin:0 0 8px}
#guide-dialog .guide-footer p{font-size:13px;line-height:1.6;color:var(--muted);margin:0}
#guide-dialog .guide-footer p+p{margin-top:12px}
@media(max-width:800px){.guide-brief,#guide-dialog .guide-columns{grid-template-columns:minmax(0,1fr)}.guide-brief{gap:24px}.guide-step{grid-template-columns:180px minmax(0,1fr);gap:20px}}
@media(max-width:600px){.guide-step{grid-template-columns:minmax(0,1fr);gap:14px;padding-block:20px}}
@media(max-width:400px){.guide-kit{grid-template-columns:minmax(0,1fr);gap:16px}.guide-kit .kit-animation{width:140px;justify-self:center}}

@media(min-width:701px) and (max-width:1099px){.lab-banner h1{font-size:21px}}
@media(max-width:1150px){
 aside{padding-inline:16px}.panel-heading{margin-inline:-16px;padding-inline:16px}
 .legend{margin-left:0}
}
@media(max-width:900px){
 .bonuses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}
 .aside-intro{max-width:none}.timing-inputs{max-width:480px}
 .phase-readout{margin-top:4px}
 .lab-banner{flex-wrap:wrap}.main-tabs{margin-left:0}
}
@media(max-width:700px){
 .lab-banner{margin:0 16px 16px;gap:10px}
 .lab-banner>.lab-number{width:30px;height:36px;font-size:12px}
 .workspace{padding:0 16px 20px}
 .workbench{gap:12px}.main-tabs{margin-top:8px}
 .pin-labels,.pin-row{grid-template-columns:minmax(105px,1.2fr) repeat(2,minmax(0,1fr));gap:8px}
 .event{gap:16px}
}
@media(max-width:480px){
 .bonuses{grid-template-columns:minmax(0,1fr)}
 #status{font-size:12px}.clock{font-size:14px}
 .signal-summary{padding:12px}.axis{font-size:12px}
 .ped-button{font-size:11px;padding:8px 4px}.ped-button span{margin-left:2px}
 .street{font-size:11px;padding:4px}.north{top:5px}.east{right:4px}
 .compass{right:8px;top:6px}.compass svg{height:18px}
 .section-title{gap:8px 12px}.section-title h2{font-size:18px}.section-title p{flex-basis:100%}
 .timeline-row{gap:8px}.timeline-row>b{width:30px}.timeline-note{margin-left:0}
 .segments{gap:2px}.segment{font-size:11px}
 .pin-labels,.pin-row{padding-inline:4px}.pin-labels{font-size:11px}.pin-value{font-size:11px;gap:4px}.pin-value b{min-width:36px}
 .trace .section-title{gap:8px}
}
@media(max-width:380px){.pin-labels,.pin-row{grid-template-columns:minmax(90px,1.2fr) repeat(2,minmax(0,1fr))}}
@media(forced-colors:active){.lamps i.on{outline:2px solid Highlight}.segments{border:1px solid CanvasText}.segment{border:1px solid CanvasText}#phaseProgress{background:Highlight}}

/* Family File menu: lab accent, ink frame, and project-wide actions. */
.header-actions #project-menu{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:8px 12px;background:var(--accent);color:var(--ink);border:2px solid var(--ink);border-radius:2px;box-shadow:2px 2px 0 var(--ink);font:600 12px/1.3 Arial,Helvetica,sans-serif;cursor:pointer;list-style:none}
.header-actions #project-menu:hover{background:color-mix(in srgb,var(--accent) 82%,var(--paper))}
.header-actions #project-menu[aria-expanded="true"],.header-actions #project-menu:active{background:var(--accent);box-shadow:none;transform:translate(2px,2px)}

.header-actions #project-menu svg{width:16px;height:16px;flex:none;margin:0}
#project-formats{width:264px;max-width:calc(100vw - 32px);background:var(--paper);border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink);padding:4px}
#project-formats button{display:block;width:100%;min-height:44px;padding:10px 12px;text-align:left;background:transparent;border:0;border-radius:0;box-shadow:none;font-size:14px;font-weight:600;line-height:1.4}
#project-formats button:hover{background:var(--selected)}
#project-formats .reset-lab{color:#9c3028;border-top:1px solid var(--line);margin-top:4px}

.header-actions #project-menu[aria-expanded="true"] svg{transform:rotate(180deg)}

/* ERC2 workbench: the inherited paper, ink and rose remain the authority. */
.erc2-bench{padding:0;min-height:0;box-shadow:var(--panel-shadow);container:erc2-controls / inline-size}
.workbench-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-height:61px;padding:8px 10px;background:var(--paper);border-bottom:1px solid var(--ink);flex-shrink:0}
.workbench-toolbar button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:8px 10px;font-size:12px;line-height:1.4}
.workbench-toolbar button:hover:not(:disabled){background:var(--selected);border-color:var(--ink)}
.bench-status #status{min-width:0;flex:1}.bench-status .clock{margin-left:0}
.simulation-tools,.view-tools{display:flex;align-items:center;flex:none;gap:4px}.simulation-tools{margin-left:auto}
.icon-button{display:inline-grid;place-items:center;width:44px;min-height:44px;padding:10px;flex:none}
.icon-button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
#play .pause-icon,#play[aria-pressed=true] .resume-icon{display:none}#play[aria-pressed=true] .pause-icon{display:block}
.code-card{padding:8px 12px 12px;min-width:0;min-height:0;display:flex;flex-direction:column}
.code-card>*{flex-shrink:0}
.code-toolbar,.template-row,.wiring-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.code-heading{display:flex;align-items:center;gap:12px;margin:0 0 8px}.code-heading>span{font:12px ui-monospace,monospace;color:var(--muted)}
#code-more-menu{margin-left:auto}
#code-more-menu .menu-items{width:264px}#code-more-menu .field-note{padding:4px 12px 8px;overflow-wrap:anywhere}
.editor-wrap{display:flex;border:1px solid var(--field-border);background:var(--paper);height:360px;overflow:hidden}
#line-numbers{margin:0;padding:12px 8px;min-width:3.5em;text-align:right;border-right:1px solid var(--line);color:var(--muted);font:13px/1.6 ui-monospace,monospace;overflow:hidden;user-select:none}
#line-numbers span{display:block;height:1.6em}#line-numbers .executing{background:var(--accent);color:var(--ink);font-weight:700}
#code{display:block;min-width:0;width:100%;resize:none;border:0;padding:12px;background:transparent;color:var(--ink);font:13px/1.6 ui-monospace,monospace;tab-size:4;white-space:pre;caret-color:var(--ink)}
.code-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:44px;margin-top:8px}.code-toolbar button{height:44px;box-sizing:border-box;white-space:nowrap;font-size:12px}
.code-card .field-note{margin-top:8px;line-height:1.45}
.editor-feedback{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;height:44px;box-sizing:border-box;contain:size;min-width:0;min-height:0;overflow:clip}
#build-status{display:block;max-width:100%;font-size:12px;line-height:18px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#build-warnings{height:24px;min-height:24px;max-width:100%;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;color:var(--ink);font:600 12px/1.5 Arial,Helvetica,sans-serif;text-align:left;text-decoration:underline;text-underline-offset:3px}
#message-summary{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
#build-status:empty,#execution-line:empty,#local-file-status:empty{display:none}
.template-row{display:grid;gap:4px;padding:8px 12px 4px;font-size:12px}.template-row label{color:var(--muted)}.template-row select{width:100%;min-width:0;max-width:100%;font-size:12px}
.pcb-lamps{display:flex;flex-wrap:wrap;gap:4px 10px}.pcb-lamp{font-size:11px;display:inline-flex;align-items:center;gap:4px;color:var(--muted)}.pcb-lamp i{width:7px;height:7px;flex:none;background:var(--lamp-off);border:1px solid var(--ink);border-radius:50%}.pcb-lamp[data-on=true]{color:var(--ink)}.pcb-lamp[data-on=true] i{background:var(--lamp-green)}.pcb-lamp.red[data-on=true] i,.pcb-lamp.dontWalk[data-on=true] i{background:var(--lamp-red)}.pcb-lamp.yellow[data-on=true] i{background:var(--lamp-yellow)}.pcb-lamp.red,.pcb-lamp.yellow,.pcb-lamp.green{background:transparent}
.pcb-controls{display:flex;gap:6px;flex-wrap:wrap}.pcb-controls button{font-size:12px}.pcb-controls .ped-button{flex:1;border-color:var(--ink)}.pcb-state{font-size:11px;color:var(--muted);margin:0;line-height:1.4}
.pcb-lamp.walk[data-on=true] i{background:#f0f9ff;border-color:#38bdf8}
.wiring-section{display:flex;flex-direction:column;padding:0;border-bottom:0;min-height:0}#wiring-bench{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:24px;margin-top:20px}
.wiring-board{min-width:0}.wiring-board h3{margin:0 0 8px;font-size:14px}.bank-0{--bank-color:var(--red)}.bank-1{--bank-color:var(--focus)}
.wire-row{display:grid;grid-template-columns:minmax(80px,1fr) 32px minmax(100px,1fr);gap:10px;align-items:center;padding-top:10px}.wire-row label{font-size:13px}.wire-jumper{height:2px;background:var(--line);position:relative}.wire-row[data-connected=true] .wire-jumper{background:var(--bank-color)}.wire-jumper::before,.wire-jumper::after{content:"";position:absolute;width:5px;height:5px;top:-1.5px;background:inherit}.wire-jumper::after{right:0}.wire-row select{width:100%}.wire-row small{display:block;font-size:11px;color:var(--muted);margin-top:3px}
.io-scroll{overflow:auto;min-height:0;overscroll-behavior:contain}.io-table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}.io-table th{background:var(--paper);font-weight:600;position:sticky;top:0}.io-table th,.io-table td{padding:10px 8px;border-bottom:1px solid var(--line)}.io-table td:first-child{font-family:ui-monospace,monospace}.io-table .high{background:var(--selected)}.io-table small{display:block;color:var(--muted);margin-top:3px}#events{white-space:normal;overflow-wrap:anywhere}.event time{font-size:11px}
@media(max-width:760px){.main-tabs{flex-wrap:wrap}.io-table th,.io-table td{padding:8px 5px}}
@media(max-width:560px){.signal-strip{grid-template-columns:1fr}.signal-summary+div{border-left:0;border-top:1px solid var(--line)}}

/* Point-to-point hardware bench: shared paper/ink UI, explicit hardware colors. */
.wiring-canvas-card{container:wiring-controls / inline-size;display:flex;flex-direction:column;border:2px solid var(--ink);background:var(--surface);box-shadow:var(--panel-shadow);min-width:0}
#panel-wiring .edit-tools{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
#panel-wiring .canvas-toolbar svg{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
#panel-wiring .edit-tools button{background:transparent;border-color:transparent}
#panel-wiring .canvas-toolbar button:hover:not(:disabled){background:var(--selected);border-color:var(--ink)}
#panel-wiring .canvas-toolbar button[aria-pressed=true]{background:var(--accent);border-color:var(--ink);color:var(--ink)}
#wiring-remove svg,#clear-wiring{color:var(--red)}
#panel-wiring .zoom-tools{display:inline-flex;align-items:stretch;border:2px solid var(--ink);border-radius:2px;overflow:hidden;background:var(--paper);margin-left:auto}
#panel-wiring .zoom-tools button{width:40px;padding:0;border:0;border-radius:0;min-height:40px}
#wiring-zoom-value{display:grid;place-items:center;min-width:52px;padding:0 6px;border-inline:1px solid var(--ink);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}
.utility-menu{position:relative;flex:none}
.utility-menu>summary{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:8px 10px;font-size:12px;font-weight:600;list-style:none;cursor:pointer;border:1px solid var(--ink);border-radius:2px;background:var(--paper)}
.utility-menu>summary::-webkit-details-marker{display:none}
.utility-menu>summary:hover,.utility-menu[open]>summary{background:var(--selected)}
.utility-menu>summary svg,#panel-wiring .utility-menu>summary svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.utility-menu[open]>summary svg{transform:rotate(180deg)}
.utility-menu .menu-items{position:absolute;right:0;top:calc(100% + 4px);width:216px;max-width:calc(100vw - 48px);max-height:calc(100svh - 160px);overflow:auto;padding:4px;background:var(--paper);border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink);z-index:5}
.utility-menu .menu-items>button,#panel-wiring .menu-items>button{display:flex;justify-content:flex-start;width:100%;min-height:44px;padding:10px 12px;text-align:left;border:0;border-radius:0;box-shadow:none;background:transparent;font-size:12px}
.utility-menu .menu-items button:hover:not(:disabled){background:var(--selected)}.utility-menu .menu-separator{border-top:1px solid var(--line);margin:4px 0}
.utility-menu .menu-items .reset-lab,#panel-wiring .menu-items .reset-lab{color:#9c3028;border-top:1px solid var(--line);margin-top:4px}
.utility-menu .menu-field{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px;font-size:12px}
/* All choice menus use the same paper, ink frame, and rows as File / More. */
.themed-select{display:inline-flex;min-width:0;max-width:100%;vertical-align:middle}
.themed-select .themed-select-trigger{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--ink);border-radius:2px;background:var(--paper);color:var(--ink);box-shadow:none;text-align:left;font-size:14px;font-weight:400;line-height:1.4}
.themed-select-value{min-width:0;overflow-wrap:anywhere}
.themed-select-trigger svg,.themed-options svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.themed-select .themed-select-trigger:hover:not(:disabled),.themed-select-trigger[aria-expanded=true]{background:var(--selected)}
.themed-select-trigger[aria-expanded=true]>svg{transform:rotate(180deg)}
.themed-select .themed-select-trigger:disabled{opacity:.5;cursor:default}
.themed-options{position:fixed;z-index:40;box-sizing:border-box;margin:0;padding:4px;background:var(--paper);color:var(--ink);border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink);overflow:auto;overscroll-behavior:contain;scroll-padding:4px;font:14px/1.4 Arial,Helvetica,sans-serif}
.themed-options [role=option]{display:flex;align-items:center;gap:8px;min-height:44px;padding:10px 12px;border:0;box-shadow:none;background:transparent;cursor:pointer;overflow-wrap:anywhere}
.themed-options [role=option] svg{visibility:hidden}
.themed-options [aria-selected=true] svg{visibility:visible}
.themed-options [aria-selected=true]{font-weight:600}
.themed-options [data-active=true]{background:var(--selected)}
.themed-options [aria-disabled=true]{opacity:.5;cursor:default}
.wire-row .themed-select,.template-row .themed-select{width:100%}
.template-row .themed-select-trigger{font-size:12px}
.board-wrap{position:relative;height:clamp(360px,70svh,640px);overflow:auto;overscroll-behavior:contain;background:var(--paper);touch-action:none;scrollbar-width:none}
.board-wrap::-webkit-scrollbar{display:none;width:0;height:0}
#wiring-board-stage{display:grid;place-items:center;min-width:100%;min-height:100%}
#wiring-svg{display:block;flex:none;width:100%;height:auto;max-width:none;touch-action:none;user-select:none;-webkit-user-select:none;overflow:visible}

#panel-wiring .item{cursor:pointer}#panel-wiring .wire-hit{pointer-events:stroke;cursor:pointer}

#panel-wiring .removing .item:hover,body.removing #panel-wiring .item:hover{filter:drop-shadow(0 0 3px var(--red))}
#panel-wiring .removing #wiring-svg,body.removing #wiring-svg{cursor:not-allowed}
.board-wrap.over-paper,.board-wrap.over-paper #wiring-svg{cursor:grab}.board-wrap.is-panning,.board-wrap.is-panning #wiring-svg{cursor:grabbing;user-select:none}
#wiring-svg [data-point]{cursor:crosshair}#wiring-svg [data-board-button],#wiring-svg [data-board-power]{cursor:pointer}
#wiring-svg [data-board-lcd]{cursor:crosshair;touch-action:none}

#wiring-svg .wiring-lcd-action{cursor:pointer}



#wiring-svg .wiring-ped-button[aria-pressed=true] .switch-plunger{fill:#101214;stroke:#78817e;stroke-width:1;transform:translateY(1px)}
#wiring-svg .acoustic-ring{transform-box:fill-box;transform-origin:center}
#wiring-svg [data-active=true][data-running=true] .acoustic-ring{animation:wiring-acoustic .6s ease-out infinite}
#wiring-svg [data-active=true][data-running=true] .acoustic-ring:nth-of-type(even){animation-delay:-.3s}
@keyframes wiring-acoustic{from{transform:scale(.85);opacity:.85}to{transform:scale(1.2);opacity:.2}}
.board-magnifier{position:fixed;width:180px;height:180px;border-radius:50%;overflow:hidden;pointer-events:none;z-index:15;user-select:none;box-shadow:none}
.board-magnifier>svg{display:block;width:180px;height:180px}
#panel-wiring .connection-readout{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;min-height:64px;flex-shrink:0;padding:8px 12px;border-top:1px solid var(--line);font-size:13px;line-height:1.5}
.connection-copy{display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px;flex:1 1 200px;min-width:0}
#wiring-hint-location{max-width:100%;padding:4px 6px;border:1px solid var(--line);background:var(--hover);color:var(--ink);font-weight:600;overflow-wrap:anywhere}
#wiring-hint-location:empty{display:none}#wiring-hint-text{flex:1 1 150px;min-width:0;overflow-wrap:anywhere;color:var(--muted);font-size:12px;line-height:1.5}
.connection-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-left:auto}
.connection-actions button{flex:none;font-size:12px}
/* Contextual hardware references float above the bench without changing its size. */
.hardware-info-trigger{color:var(--muted);cursor:pointer}
.hardware-info-disc{fill:var(--paper);stroke:currentColor;stroke-width:1.1}
.hardware-info-trigger:hover,.hardware-info-trigger[aria-expanded=true]{color:var(--ink)}
.hardware-info-trigger:hover .hardware-info-disc,.hardware-info-trigger[aria-expanded=true] .hardware-info-disc{fill:var(--selected)}
.hardware-info-popover{position:fixed;z-index:45;box-sizing:border-box;width:360px;max-width:calc(100vw - 24px);padding:0;border:2px solid var(--ink);background:var(--surface);color:var(--ink);box-shadow:3px 3px 0 var(--ink);font:14px/1.5 Arial,Helvetica,sans-serif;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--field-border) var(--paper)}
.hardware-info-heading{padding:12px 14px 10px;background:var(--selected);border-bottom:1px solid var(--line)}
.hardware-info-popover h3{margin:0;font-size:16px;font-weight:700;line-height:1.3;text-wrap:balance}
.hardware-info-popover .hardware-info-description{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.5;text-wrap:pretty}
.hardware-info-body{padding:12px 14px 14px}
.hardware-info-map-label{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:8px;font-size:12px;line-height:1.4}
.hardware-info-map-label strong{font-weight:600}
.hardware-info-map-label span{color:var(--muted)}
.hardware-info-popover .hardware-info-note{margin:12px 0 0;padding-top:10px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.6;text-wrap:pretty}
.hardware-info-note b{font-weight:600;color:var(--ink)}
.pinout-map{display:grid;border:1px solid var(--field-border);background:var(--paper);font:12px/1.4 Arial,Helvetica,sans-serif}
.pinout-map [role=row]{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.pinout-map [role=row]+[role=row]{border-top:1px solid var(--line)}
.pinout-map [role=cell]{display:grid;grid-template-rows:8px minmax(34px,auto);align-items:center;justify-items:center;gap:4px;min-width:0;padding:8px 3px 4px;text-align:center;word-break:normal;overflow-wrap:normal;text-wrap:balance}
.pinout-map [role=cell]::before{content:"";display:block;width:8px;height:8px;background:var(--ink);border:2px solid var(--field-border)}
.pinout-map [role=cell]+[role=cell]{border-left:1px solid var(--line)}
.pinout-map [data-terminal=noConnection]{color:var(--muted)}
.hardware-info-details{margin:0}
.hardware-info-details>div+div{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.hardware-info-details dt{margin:0 0 4px;font-size:13px;line-height:1.4;font-weight:700}
.hardware-info-details dd{margin:0}
.hardware-info-details dd>p{margin:8px 0 0;line-height:inherit}
.hardware-info-banks{display:grid;gap:4px;font-size:13px}
.hardware-info-banks p{display:flex;justify-content:space-between;gap:16px;margin:0;line-height:1.5}
.hardware-info-banks b{font-weight:400}
.hardware-info-banks span{font-variant-numeric:tabular-nums}
.hardware-info-popover kbd{display:inline-block;padding:0 4px;border:1px solid var(--field-border);border-bottom-width:2px;border-radius:2px;background:var(--paper);color:var(--ink);font:12px/1.4 ui-monospace,monospace;white-space:nowrap}
@media(max-width:760px){.workbench-toolbar{padding:8px}#panel-wiring .edit-tools{flex-basis:100%}#panel-wiring .edit-tools button{flex:1}#panel-wiring .zoom-tools{margin-left:0}.board-wrap{height:clamp(330px,60svh,520px)}#panel-wiring .connection-readout{gap:8px}.connection-copy{flex-basis:100%}.connection-actions{margin-left:0}}
/* Desktop stays in one viewport; the Hardware Bench card and ERC2 editor card align side by side. */
@media(min-width:1100px) and (min-height:600px){
 body:not(.landing-active){height:100dvh;display:flex;flex-direction:column}
 body:not(.landing-active)>.app-header{flex-shrink:0}
 body:not(.landing-active)>#main{display:flex;flex-direction:column;flex:1;min-height:0}
 #lab-workspace{display:flex;flex-direction:column;flex:1;min-height:0}
 .lab-banner{flex-shrink:0;flex-wrap:nowrap}
 .workspace{flex:1;min-height:0}
 .workbench{height:100%;align-items:stretch}
 .stage-column>section{height:100%;min-height:0}
 .wiring-canvas-card{flex:1;min-height:0;margin:0}
 .board-wrap{height:auto;flex:1;min-height:160px}
 .erc2-bench{display:grid;grid-template-rows:auto minmax(0,1fr)}
 .code-card{overflow:auto;overscroll-behavior:contain}
 .editor-wrap{height:auto;flex:1 0 160px;min-height:160px}
}
@media(max-width:1099px),(max-height:599px){
 .workbench{grid-template-columns:minmax(0,1fr)}
 .stage-column{padding-bottom:4px}
 .board-wrap{height:clamp(330px,60svh,600px)}
 .editor-wrap{height:clamp(320px,55svh,600px)}
}
@media(prefers-reduced-motion:reduce){#wiring-svg *{animation:none!important;transition:none!important}}

/* One native input over a presentation-only ink layer: identical text metrics. */
.code-surface{position:relative;flex:1;min-width:0;overflow:hidden}
#code-highlight,#code{margin:0;font:13px/1.6 ui-monospace,monospace;letter-spacing:normal;font-variant-numeric:tabular-nums;tab-size:4;white-space:pre;padding:12px}
#code-highlight{position:absolute;inset:0;overflow:hidden;pointer-events:none;color:var(--ink);border:0}
#code{position:relative;height:100%;overflow:auto}
#code.syntax-enabled{color:transparent}
#code.syntax-enabled::selection{color:var(--ink);background:var(--selected)}
.syntax-comment{color:var(--syntax-comment)}
.syntax-keyword{color:var(--syntax-keyword)}
.syntax-string{color:var(--syntax-string)}
.syntax-number{color:var(--syntax-detail)}
.syntax-directive{color:var(--syntax-directive)}
@media(forced-colors:active){#code.syntax-enabled{color:CanvasText}#code-highlight{display:none}}

/* Lab preference: suppress focus rings while retaining native focus behavior. */
:focus,:focus-visible,html[data-focus-input=keyboard] :focus{outline:none}
.hardware-info-trigger:focus-visible .hardware-info-hit,html[data-focus-input=keyboard] .hardware-info-trigger:focus .hardware-info-hit{stroke:var(--focus);stroke-width:2}
.hardware-info-popover:focus-visible,html[data-focus-input=keyboard] .hardware-info-popover:focus{outline:2px solid var(--focus);outline-offset:3px}
#build-warnings:focus-visible,html[data-focus-input=keyboard] #build-warnings:focus{outline:2px solid var(--focus);outline-offset:-2px}
.guide-code:focus-visible,.guide-table-scroll:focus-visible,.guide-cycle-scroll:focus-visible,html[data-focus-input=keyboard] :is(.guide-code,.guide-table-scroll,.guide-cycle-scroll):focus{outline:2px solid var(--focus);outline-offset:3px}
#wiring-power-toggle:hover{fill:var(--accent);fill-opacity:.12;stroke:var(--ink);stroke-width:1}
#wiring-power-toggle:focus-visible,html[data-focus-input=keyboard] #wiring-power-toggle:focus{stroke:var(--focus);stroke-width:2;fill:var(--accent);fill-opacity:.12}

/* Wiring diagnostics use the original shared dialog, with compact ruled details. */
.wiring-feedback{display:block;max-height:max(120px,calc(100dvh - 240px));overflow:auto;overscroll-behavior:contain}
.wiring-feedback-group{display:block}
.wiring-feedback-group+.wiring-feedback-group{margin-top:24px}
.wiring-feedback-title{display:block;font-size:14px;margin-bottom:8px}
.wiring-feedback-note{display:block;font-size:13px;line-height:1.55;margin-bottom:16px}
.wiring-feedback-table{width:100%;table-layout:fixed;font-size:12px;line-height:1.5}
.wiring-feedback-table th,.wiring-feedback-table td{padding:8px 4px;background:transparent;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}
.wiring-feedback-table thead th{font-size:11px;color:var(--muted);font-weight:400;text-align:left}
.wiring-feedback-table th:first-child{width:40%;padding-left:0}
.wiring-feedback-table tbody th{font-weight:400;text-align:left}
.wiring-feedback-table td{font-family:ui-monospace,monospace;font-variant-numeric:tabular-nums}
.wiring-feedback-table td:last-child{font-weight:600}
.wiring-feedback-table tr:last-child th,.wiring-feedback-table tr:last-child td{border-bottom:0}

/* File-shaped draft tabs share one ruled edge with the editor below. */
.code-heading{gap:4px;margin-bottom:0;align-items:stretch;min-height:44px}
#editor-tabs{display:flex;min-width:0;gap:4px;overflow:auto;align-items:stretch}
.editor-tab{position:relative;isolation:isolate;display:flex;align-items:stretch;flex:0 0 184px;width:184px;min-width:184px;max-width:184px;padding:1px 16px 0 7px;background:var(--field-border);clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%)}
.editor-tab::before{content:"";position:absolute;inset:1px 1px 0;z-index:-1;background:var(--surface);clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%)}
.editor-tab[data-active=true]{background:var(--ink)}
.editor-tab[data-active=true]::before{background:var(--paper);box-shadow:inset 0 3px 0 var(--accent)}
.editor-tab button{border:0;border-radius:0;box-shadow:none;background:transparent;min-height:44px;padding:8px;font:12px ui-monospace,monospace}
.editor-tab [role=tab][aria-selected=true]{font-weight:700;background:transparent;box-shadow:none}
.editor-tab .close-code-tab{padding:4px;width:24px;min-width:24px}
.close-code-tab svg,.add-code-tab svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.close-code-tab:disabled{visibility:hidden}
.add-code-tab{display:grid;place-items:center;flex:none;border:0;background:transparent;min-width:32px;padding:4px}
.code-heading #execution-line{align-self:center;margin-left:auto;padding-left:4px}

.editor-tab [role=tab]{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dialog-input-label{display:block;margin-top:16px;font-size:13px;font-weight:600}
.dialog-choices{display:grid;gap:8px;margin:0 0 24px}
.dialog-choices button{text-align:left}
.dialog-input-row{display:flex;align-items:center;margin-top:8px;border:1px solid var(--field-border);background:var(--surface);font:13px ui-monospace,monospace}
.dialog-input-row input{width:100%;min-width:0;border:0;background:transparent;font:inherit;padding:10px}
.dialog-input-row>span{padding-right:12px;color:var(--muted);font-weight:400}

/* Shared outer alignment continues through the compact phone composition. */
@media(max-width:600px){
 .lab-banner{min-height:0;padding-top:12px}
 .lab-banner>.lab-number{width:28px;height:32px;margin-bottom:12px}
 .lab-banner h1{font-size:20px;margin-bottom:12px}
 .workspace{padding-inline:16px}
}
/* Toolbar height follows its controls; only the editor receives spare height. */
@media(min-width:1100px) and (min-height:600px){
 .erc2-bench{display:flex;flex-direction:column}
 .erc2-bench>.bench-status{flex:0 0 auto}
 .erc2-bench>.code-card{flex:1 1 0;min-height:0}
}

/* Compact controls respond to their own pane, not the full window width. */
@container wiring-controls (max-width:700px){
 #panel-wiring .edit-tools{flex-basis:100%;min-width:0}
 #panel-wiring .edit-tools button{flex:1 1 auto}
 #panel-wiring .zoom-tools{margin-left:0;flex-shrink:0}
 #wiring-more-menu{margin-left:auto}
}
@container erc2-controls (max-width:440px){
 .bench-status{display:grid;grid-template-columns:minmax(0,1fr) auto}
 .bench-status #status{grid-column:1;grid-row:1;overflow-wrap:anywhere}
 .bench-status .view-tools{grid-column:2;grid-row:1;justify-self:end}
 .bench-status .simulation-tools{grid-column:1 / -1;grid-row:2;min-width:0;margin-left:0;flex-wrap:wrap}
 .code-card{padding-inline:8px}
 .code-heading{min-width:0}
}

/* One active workspace keeps the family folder baseline without a dead button. */
.lab-banner>.workspace-folder-tab{align-self:flex-end;flex:0 0 auto;margin:4px 0 -2px auto;min-height:44px;padding:10px 20px;border:2px solid var(--ink);border-bottom-color:var(--accent);border-radius:2px 2px 0 0;background:var(--accent);color:var(--ink);font-size:14px;font-weight:600;line-height:1.45;white-space:nowrap}
@media(min-width:701px) and (max-width:1099px){.lab-banner>.workspace-folder-tab{padding-inline:12px;font-size:13px}}
@media(max-width:700px){
 .lab-banner{row-gap:0}
 .lab-banner>.workspace-folder-tab{margin-top:0;padding-inline:16px;font-size:13px}
}
@media(max-width:600px){.lab-banner>.workspace-folder-tab{flex-basis:100%;text-align:center}}

/* Humanitarian Relief's automatic crossfade and centered gentle zoom. */
#landing-page .landing-illustration{opacity:0;transform:scale(.97);transform-origin:center;transition:opacity 600ms ease-in-out;pointer-events:none}
#landing-page .landing-illustration.is-current{opacity:1}
/* Owner-requested exception to the shared reduced-motion reset. */
@media(prefers-reduced-motion:reduce){#landing-page .landing-illustration{transition:opacity 600ms ease-in-out!important}}

/* Phone and tablet work areas retain their own scrolling and touch controls. */
body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
.workspace{padding-bottom:max(24px,env(safe-area-inset-bottom))}
#editor-tabs{flex:1;scroll-padding-inline:8px;overscroll-behavior-x:contain}
.code-heading #execution-line{flex:none}

@container wiring-controls (max-width:440px){
 #panel-wiring .edit-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}
 #panel-wiring .edit-tools button{justify-content:flex-start;padding-inline:8px}
}
@container wiring-controls (max-width:380px){
 #panel-wiring .canvas-toolbar{gap:8px}
 #panel-wiring .zoom-tools button{width:44px;min-height:44px}
 #wiring-zoom-value{min-width:40px;padding-inline:4px}
 #wiring-magnify{width:44px;padding:10px;flex:none}
 .magnifier-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
}

@media(any-pointer:coarse){
 /* Match all three code layers; 16px also avoids focus zoom on iOS. */
 #code,#code-highlight,#line-numbers{font-size:16px;line-height:1.6}
 .dialog-input-row input{font-size:16px}
 .editor-tab .close-code-tab{width:44px;min-width:44px}
 .add-code-tab{min-width:44px;min-height:44px}
 #panel-wiring .zoom-tools button{width:44px;min-height:44px}
 #build-warnings{position:relative}
 #build-warnings::after{content:"";position:absolute;inset:-10px 0}
}

@media(max-width:600px){
 .app-header .header-actions{gap:8px}
 .header-actions .guide-entry{margin-right:0}
 .code-heading{flex-wrap:wrap}
 #editor-tabs{flex-basis:calc(100% - 48px)}
 .code-heading #execution-line{margin-left:0;padding:4px 0}
 #line-numbers{min-width:3em;padding-inline:6px}
 #code,#code-highlight{padding-inline:8px}
 #landing-page{padding-bottom:max(32px,env(safe-area-inset-bottom))}
}