:root{--slate:#1b2629;--slate2:#243337;--ink:#13191b;--glass:#a9c9b6;--glass2:#cfe2d6;--paper:#ece6d6;--paper2:#e2dac6;--sig:#e0512f;--brass:#c49a3a;--mute:#5d6b6c;
--serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;--mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--slate);color:var(--paper);font-family:var(--serif);font-size:1.075rem;line-height:1.6;min-height:100dvh}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(rgba(169,201,182,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(169,201,182,.06) 1px,transparent 1px);background-size:32px 32px}
a{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--sig);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--sig);color:var(--ink);padding:.6rem 1rem;z-index:99}.skip:focus{left:1rem}
.mono{font-family:var(--mono);text-transform:uppercase;letter-spacing:.14em;font-size:.72rem}
.shell{position:relative;z-index:1;display:grid;grid-template-columns:118px 1fr;min-height:100dvh}
/* reagent rack nav */
.rack{position:sticky;top:0;height:100dvh;border-right:1px solid rgba(169,201,182,.2);background:var(--ink);display:flex;flex-direction:column;padding:14px 10px;gap:8px;overflow:auto}
.tag{display:block;text-decoration:none;position:relative;border:1.5px solid var(--paper);border-radius:4px 14px 14px 4px;padding:8px 8px 8px 22px;margin-bottom:10px}
.tag::before{content:"";position:absolute;left:7px;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;border:1.5px solid var(--paper)}
.tag b{display:block;font-family:var(--mono);font-size:.95rem;letter-spacing:.06em}.tag b i{font-style:normal;color:var(--sig)}
.tag span{font-family:var(--mono);font-size:.55rem;letter-spacing:.16em;color:var(--glass)}
.el{display:grid;grid-template-rows:auto 1fr auto;text-decoration:none;border:1px solid rgba(169,201,182,.35);background:var(--slate2);padding:5px 7px;height:62px;transition:transform .25s,background .25s}
.el small{font-family:var(--mono);font-size:.58rem;color:var(--glass)}.el strong{font-size:1.45rem;line-height:1;font-weight:400}.el em{font-style:normal;font-family:var(--mono);font-size:.55rem;letter-spacing:.1em;text-transform:uppercase;color:var(--glass2)}
.el:hover{transform:translateX(4px);background:#2c3e42}.el[aria-current=page]{background:var(--glass);color:var(--ink);border-color:var(--glass)}.el[aria-current=page] small,.el[aria-current=page] em{color:var(--ink)}
.lamp{margin-top:auto;display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:.55rem;color:var(--glass);letter-spacing:.1em}
.lamp i{width:9px;height:9px;border-radius:50%;background:var(--sig);animation:pulse 2.4s infinite}
@keyframes pulse{50%{opacity:.35}}
.menubtn{display:none}
main{padding:clamp(20px,4vw,64px);max-width:1280px;width:100%}
/* type */
h1,h2,h3{font-weight:400;line-height:1.05;margin:0 0 .5em}
h1{font-size:clamp(2.6rem,7vw,6.2rem);letter-spacing:-.025em}h1 em{color:var(--glass);font-style:italic}
h2{font-size:clamp(1.8rem,3.6vw,3rem);letter-spacing:-.015em}h3{font-size:1.35rem}
p{max-width:64ch}.lede{font-size:1.25rem;color:var(--glass2)}
.kicker{display:inline-flex;gap:.6rem;align-items:center;color:var(--sig);margin-bottom:1rem}.kicker::before{content:"";width:28px;height:1.5px;background:var(--sig)}
/* notebook layout */
.proto{display:grid;grid-template-columns:110px 1fr;gap:28px;border-top:1px solid rgba(169,201,182,.25);padding:44px 0}
.proto>.no{font-family:var(--mono);color:var(--brass);font-size:.75rem;letter-spacing:.14em}.proto>.no b{display:block;font-family:var(--serif);font-size:2.6rem;font-weight:400;color:var(--paper);letter-spacing:0}
.paper{background:var(--paper);color:var(--ink);padding:clamp(20px,3vw,40px);position:relative;background-image:linear-gradient(rgba(19,25,27,.07) 1px,transparent 1px);background-size:100% 28px;border-radius:2px}
.paper a{color:#9d2f14}.paper .mono{color:var(--mute)}
.drawer{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.vial{grid-column:span 4;border:1px solid rgba(169,201,182,.3);padding:22px;background:linear-gradient(180deg,rgba(169,201,182,.07),transparent);position:relative}
.vial.w8{grid-column:span 8}.vial.w6{grid-column:span 6}.vial.w12{grid-column:span 12}.vial.w5{grid-column:span 5}.vial.w7{grid-column:span 7}
.vial .mono{color:var(--brass)}.vial ul{padding-left:1.1rem;margin:.6rem 0 0}.vial li{margin:.2rem 0}
.glassp{background:var(--glass);color:var(--ink);border-color:var(--glass)}.glassp .mono{color:#5b3c00}
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;text-decoration:none;padding:.95rem 1.25rem;border:1.5px solid var(--paper);background:transparent;color:inherit;cursor:pointer;transition:background .2s,color .2s}
.btn:hover{background:var(--paper);color:var(--ink)}.btn.sig{background:var(--sig);border-color:var(--sig);color:var(--ink)}.btn.sig:hover{background:var(--paper);border-color:var(--paper)}
.paper .btn{border-color:var(--ink)}.paper .btn:hover{background:var(--ink);color:var(--paper)}
/* home bench */
.bench{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;min-height:78dvh}
.bench svg{width:100%;height:auto}.bench .stn{font-family:var(--mono);font-size:10px;letter-spacing:.12em;fill:var(--glass)}
.bubble{animation:rise 4s infinite ease-in;opacity:0}.bubble:nth-child(2){animation-delay:1.3s}.bubble:nth-child(3){animation-delay:2.6s}
@keyframes rise{0%{transform:translateY(0);opacity:0}20%{opacity:.9}100%{transform:translateY(-70px);opacity:0}}
.flow{stroke-dasharray:6 6;animation:flow 1.6s linear infinite}@keyframes flow{to{stroke-dashoffset:-24}}
.ticker{display:flex;gap:0;border:1px solid rgba(169,201,182,.3);margin:24px 0 8px}.ticker div{flex:1;padding:14px;border-right:1px solid rgba(169,201,182,.3)}.ticker div:last-child{border:0}.ticker b{display:block;font-weight:400;font-size:1.3rem}
figure{margin:0}figure img{width:100%;height:auto;display:block;filter:saturate(.75) contrast(1.05)}figcaption{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;color:var(--glass);padding-top:8px;line-height:1.5}
.specimen{border:1.5px solid var(--paper);padding:10px;background:var(--ink)}
table{border-collapse:collapse;width:100%}td,th{text-align:left;padding:10px;border-bottom:1px solid rgba(19,25,27,.2);vertical-align:top}th{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase}
details{border-top:1px solid rgba(19,25,27,.25);padding:14px 0}summary{cursor:pointer;font-size:1.2rem}
/* forms */
label{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;margin:16px 0 6px}
input,select,textarea{width:100%;font:inherit;font-size:1rem;padding:.75rem;border:1.5px solid var(--ink);background:#f6f1e4;color:var(--ink);border-radius:0}
.row{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.hp{position:absolute;left:-9999px}
.chk{display:flex;gap:10px;align-items:flex-start;text-transform:none;letter-spacing:0;font-family:var(--serif);font-size:1rem}.chk input{width:auto;margin-top:5px}
.status{margin-top:18px;padding:14px;border-left:4px solid var(--mute);display:none}.status.show{display:block}.status.ok{border-color:#2f7a4f;background:#dcebdf}.status.err{border-color:var(--sig);background:#f6dccf}
.seg{display:flex;gap:0;margin-top:6px}.seg label{margin:0;flex:1}.seg input{position:absolute;opacity:0}.seg span{display:block;text-align:center;border:1.5px solid var(--ink);padding:.7rem;cursor:pointer}.seg input:checked+span{background:var(--ink);color:var(--paper)}.seg input:focus-visible+span{outline:3px solid var(--sig)}
/* assay */
.assay{display:grid;grid-template-columns:1fr 260px;gap:28px}
.reag{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(19,25,27,.25);text-transform:none;letter-spacing:0;font-family:var(--serif);font-size:1rem;margin:0;cursor:pointer}.reag input{width:20px;height:20px;flex:none;margin-top:3px;accent-color:#9d2f14}
.tube{position:sticky;top:20px;text-align:center}.tube svg{width:120px}#fill{transition:transform .6s cubic-bezier(.2,.8,.2,1);transform-origin:bottom;transform-box:fill-box}
#score{font-size:3.4rem;line-height:1}
pre{white-space:pre-wrap;background:var(--ink);color:var(--glass2);padding:16px;font-size:.8rem;max-height:300px;overflow:auto}
.map{border:1.5px dashed var(--glass);padding:24px;min-height:200px;background:repeating-linear-gradient(45deg,transparent 0 12px,rgba(169,201,182,.06) 12px 13px)}
/* footer specimen label */
footer{margin:60px 0 0;background:var(--paper);color:var(--ink);display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;border:2px solid var(--ink);outline:1px solid var(--paper);outline-offset:6px}
footer>div{padding:20px;border-right:1px solid var(--ink)}footer>div:last-child{border:0}footer .mono{color:var(--mute);display:block;margin-bottom:6px}footer a{display:block;margin:2px 0}
footer .big{font-size:2rem;line-height:1}footer button{font:inherit;background:none;border:0;text-decoration:underline;padding:0;cursor:pointer;color:inherit}
.legal{grid-column:1/-1;border-top:1px solid var(--ink)!important;font-family:var(--mono);font-size:.65rem;letter-spacing:.08em}
/* cookie */
#ck{position:fixed;right:16px;bottom:16px;z-index:50;max-width:420px;background:var(--paper);color:var(--ink);border:2px solid var(--ink);padding:18px;box-shadow:8px 8px 0 var(--sig)}#ck[hidden]{display:none}
#ck .two{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}#ck .btn{justify-content:center;border-color:var(--ink)}
.rv{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}.rv.in{opacity:1;transform:none}
@media (max-width:1000px){.bench{grid-template-columns:1fr;min-height:auto}.vial,.vial.w8,.vial.w5,.vial.w7{grid-column:span 6}footer{grid-template-columns:1fr 1fr}}
@media (max-width:767px){.shell{grid-template-columns:1fr}
.rack{position:fixed;inset:auto 0 0 0;height:auto;max-height:80dvh;z-index:40;transform:translateY(calc(100% - 58px));transition:transform .35s;display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--glass);border-right:0}
.rack.open{transform:none}.rack .tag{grid-column:1/3;margin:0}.menubtn{display:block;grid-column:3/5;font-family:var(--mono);letter-spacing:.12em;background:var(--sig);border:0;color:var(--ink);text-transform:uppercase;font-size:.75rem}
.rack .el{height:58px}.lamp{display:none}main{padding-bottom:90px}
.proto{grid-template-columns:1fr;gap:6px}.vial,.vial.w6,.vial.w8,.vial.w5,.vial.w7,.vial.w12{grid-column:1/-1}.row{grid-template-columns:1fr}.assay{grid-template-columns:1fr}.tube{position:static}footer{grid-template-columns:1fr}footer>div{border-right:0;border-bottom:1px solid var(--ink)}.ticker{flex-direction:column}.ticker div{border-right:0;border-bottom:1px solid rgba(169,201,182,.3)}#ck{left:10px;right:10px;bottom:70px}}
@media (prefers-reduced-motion:reduce){*,*::before{animation:none!important;transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}.bubble{opacity:.6}}
/* overflow fixes */
.shell{grid-template-columns:118px minmax(0,1fr)}main{min-width:0}
.drawer{grid-template-columns:repeat(12,minmax(0,1fr))}.drawer>*,.assay>*,.row>*,.proto>*,.bench>*{min-width:0}
.assay{grid-template-columns:minmax(0,1fr) 260px}.row{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
fieldset{min-width:0}input,select,textarea{min-width:0;max-width:100%}
.seg{flex-wrap:wrap}.seg label{min-width:0;position:relative}.seg input{width:1px;height:1px;left:0;top:0;padding:0;border:0}.seg span{overflow-wrap:anywhere}
pre,.paper,.vial,td,th,p,a,h1,h2{overflow-wrap:anywhere}table{table-layout:fixed}
@media (max-width:900px){.assay{grid-template-columns:minmax(0,1fr)}.tube{position:static}}
@media (max-width:767px){.shell{grid-template-columns:minmax(0,1fr)}.drawer,.row,.proto{grid-template-columns:minmax(0,1fr)}.drawer>*{grid-column:1/-1!important}.ticker div{min-width:0}}
/* ===== Revision B: mint / silver / orange instrument toolbar ===== */
:root{--slate:#c8eedc;--slate2:#e4e9ea;--ink:#14201c;--glass:#2f7a5e;--glass2:#24352f;--paper:#eef1f2;--paper2:#d9dfe1;--sig:#ff6a1a;--brass:#a84200;--mute:#4f5c58;
--cond:"Bahnschrift SemiCondensed","Bahnschrift","DIN Condensed","Avenir Next Condensed","Arial Narrow","Liberation Sans Narrow",sans-serif;--sans:"Avenir Next","Segoe UI",system-ui,sans-serif;--serif:var(--sans)}
[hidden]{display:none!important}
body{background:var(--slate);color:var(--ink);font-family:var(--sans);font-size:1.02rem}
body::before{background-image:linear-gradient(rgba(20,32,28,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(20,32,28,.07) 1px,transparent 1px);background-size:24px 24px}
h1,h2,h3{font-family:var(--cond);font-weight:700;text-transform:uppercase;letter-spacing:-.01em;line-height:.95}
h1{font-size:clamp(2.4rem,8.4vw,7.4rem)}h1 em{font-style:normal;color:var(--paper);background:var(--ink);padding:0 .12em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
h3{font-size:1.5rem}.lede{color:var(--glass2)}.kicker{color:var(--brass)}.kicker::before{background:var(--sig);height:3px}
.btn{border-color:var(--ink)}.btn:hover{background:var(--ink);color:var(--slate)}.btn.sig{color:var(--ink)}.btn.sig:hover{background:var(--ink);color:var(--sig);border-color:var(--ink)}
.proto{border-top:2px solid var(--ink)}.proto>.no{color:var(--brass)}.proto>.no b{color:var(--ink);font-family:var(--mono);font-weight:700}
.vial{border:1.5px solid var(--ink);background:var(--paper);border-radius:10px;box-shadow:inset 0 -6px 0 var(--paper2)}.vial .mono{color:var(--brass)}
.glassp{background:#9fe2c2;border-color:var(--ink)}.glassp .mono{color:#6b2a00}
.paper{background:var(--paper);border:1.5px solid var(--ink);border-radius:10px;background-image:linear-gradient(rgba(20,32,28,.06) 1px,transparent 1px)}
.specimen{background:var(--paper);border-color:var(--ink)}figcaption{color:var(--mute)}figcaption a{color:var(--brass)}
.ticker{border:2px solid var(--ink);background:var(--paper)}.ticker div{border-color:var(--ink)}.ticker b{font-family:var(--cond);font-weight:700;font-size:1.6rem;text-transform:uppercase}
pre{color:#9fe2c2}.map{border-color:var(--ink);background:repeating-linear-gradient(45deg,transparent 0 12px,rgba(20,32,28,.07) 12px 13px)}
.bench .stn{fill:var(--ink)}a{color:inherit}
/* hero: headline spanning, central apparatus */
.bench{display:block;min-height:auto;text-align:center;padding-top:10px}
.bh h1{max-width:none;margin-inline:auto}.bh .kicker{justify-content:center}
.bapp{max-width:560px;margin:10px auto 0;padding:18px;border:2px solid var(--ink);border-radius:50% 50% 14px 14px/28% 28% 14px 14px;background:radial-gradient(circle at 50% 40%,var(--paper),#b7e6cf)}
.bfoot{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:24px;align-items:end;text-align:left;margin-top:26px;border-top:2px solid var(--ink);padding-top:20px}
.bfoot .lede{margin:0}.bcta{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;margin:0}
footer{background:var(--ink);color:var(--paper);border-color:var(--ink);outline-color:var(--ink);border-radius:10px}footer>div{border-color:rgba(238,241,242,.25)}footer .mono{color:#9fe2c2}.legal{border-color:rgba(238,241,242,.25)!important}footer .big{font-family:var(--cond);font-weight:700;text-transform:uppercase;color:var(--sig)}
#ck{background:var(--paper);box-shadow:8px 8px 0 var(--sig)}
.el{background:var(--slate2);border-color:var(--ink);color:var(--ink)}.el small,.el em{color:var(--mute)}.el strong{font-family:var(--mono);font-weight:700}
.el:hover{background:#fff4ec}.el[aria-current=page]{background:var(--sig);border-color:var(--ink)}
.tag{border-color:var(--ink)}.tag::before{border-color:var(--ink)}.tag b i{color:var(--sig)}.tag span{color:var(--mute)}
.rack{background:var(--slate2);border-color:var(--ink)}.lamp{color:var(--mute)}
@media (min-width:768px){
.shell{display:block}
.rack{position:sticky;top:0;height:auto;z-index:40;flex-direction:row;flex-wrap:wrap;align-items:center;gap:6px;padding:10px clamp(14px,3vw,40px);border-right:0;border-bottom:2px solid var(--ink);box-shadow:0 4px 0 rgba(20,32,28,.08)}
.rack .tag{margin:0 10px 0 0}.rack .el{height:54px;min-width:64px;flex:0 1 auto;border-radius:6px;padding:4px 8px}.rack .el strong{font-size:1.15rem}
.rack .el:hover{transform:translateY(2px)}.lamp{margin:0 0 0 auto}
main{margin:0 auto}}
@media (max-width:767px){.rack{background:var(--slate2);border-top:2px solid var(--ink)}.bfoot{grid-template-columns:minmax(0,1fr)}.bcta{justify-content:flex-start}.bapp{padding:8px}h1{font-size:clamp(2.2rem,11vw,3.4rem)}footer>div{border-color:rgba(238,241,242,.25)}}
@media (min-width:768px) and (max-width:1000px){.bfoot{grid-template-columns:minmax(0,1fr)}.bcta{justify-content:flex-start}}