/* Nutrition Lab — shared styles (uses the site palette variables) */
:root{--lab-ref:#2E6B3F;--lab-sim:#B08D57;--lab-user:#1F3F60;--lab-con:#6B5B95;--lab-bad:#A23B2A;--lab-warn:#C07A2C}
.lab-hero{background:linear-gradient(180deg,var(--navy),#1d3654);color:#F4F3EF;padding:44px 0 40px;position:relative;overflow:hidden}
.lab-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(217,183,126,.18),transparent 45%),radial-gradient(circle at 10% 110%,rgba(244,243,239,.08),transparent 40%);pointer-events:none}
.lab-hero .wrap{position:relative}
.lab-hero h1{color:#F4F3EF;font-size:clamp(28px,3.6vw,42px);line-height:1.12;letter-spacing:-.02em;margin:10px 0 0}
.lab-hero .kicker{color:#D9B77E}
.lab-lead{color:rgba(244,243,239,.82);font-size:17px;line-height:1.6;max-width:70ch;margin:12px 0 0}
.lab-hero-hub{padding:64px 0 60px}
.lab-hero-art{display:flex;gap:18px;margin-top:26px;opacity:.9}
.lab-hero-art svg{width:34px;height:34px;fill:none;stroke:#D9B77E;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.lab-crumb{display:flex;gap:8px;font-size:13.5px;color:rgba(244,243,239,.7);flex-wrap:wrap}
.lab-crumb a{color:#D9B77E;text-decoration:none}.lab-crumb a:hover{text-decoration:underline}
.lab-ht{display:flex;gap:18px;align-items:flex-start;margin-top:8px}
.lab-ic{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.lab-ic-lg{width:56px;height:56px;padding:11px;border-radius:14px;background:rgba(217,183,126,.14);stroke:#D9B77E;margin-top:12px}
@media (max-width:640px){.lab-ic-lg{display:none}.lab-hero{padding:30px 0 28px}.lab-lead{font-size:15.5px}}

/* hub */
.lab-hubb{padding-block:56px 72px}
.lab-gh{font-size:22px;margin:0 0 14px}
.lab-gh:not(:first-child){margin-top:36px}
.lab-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.lab-card{display:grid;grid-template-rows:auto auto 1fr auto;gap:8px;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:14px;color:var(--ink);text-decoration:none;transition:border-color .15s,transform .15s,box-shadow .15s}
.lab-card:hover,.lab-card:focus-visible{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 10px 24px rgba(22,43,66,.1)}
.lab-card .lab-ic{width:40px;height:40px;padding:8px;border-radius:10px;background:var(--tint);color:var(--blue)}
.lab-card b{font-size:17px;line-height:1.3}
.lab-card span{font-size:14px;color:var(--muted);line-height:1.5}
.lab-card em{font-style:normal;font-size:13.5px;font-weight:600;color:var(--blue)}
.lab-hub2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
@media (max-width:860px){.lab-hub2{grid-template-columns:minmax(0,1fr)}}
.lab-box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.lab-box h2{font-size:18px;margin:0 0 10px}
.lab-box ul{margin:0;padding-left:18px}.lab-box li{font-size:14.5px;line-height:1.55;margin:4px 0;color:var(--ink)}
.lab-legend{list-style:none;padding:0!important;display:grid;gap:10px}
.lab-legend li{display:grid;grid-template-columns:150px 1fr;gap:10px;align-items:center;margin:0!important}
@media (max-width:480px){.lab-legend li{grid-template-columns:minmax(0,1fr)}}
.lab-calc{margin-top:16px}.lab-calc p{margin:0 0 10px;color:var(--muted);font-size:14.5px}
.lab-calc-l{display:flex;flex-wrap:wrap;gap:8px}
.lab-calc-l a{font-size:14px;font-weight:600;color:var(--blue);text-decoration:none;padding:7px 12px;border:1.5px solid var(--line);border-radius:999px;background:var(--white)}
.lab-calc-l a:hover{border-color:var(--blue)}
.lab-cta{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:28px;padding:24px;border-radius:14px;background:var(--tint);border:1px solid var(--line)}
.lab-cta h2{font-size:20px;margin:0}.lab-cta p{margin:6px 0 0;color:var(--muted)}

/* badges */
.lb{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 9px;border-radius:999px;border:1.5px solid currentColor;white-space:nowrap;line-height:1.2}
.lb::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.lb.ref{color:var(--lab-ref)}.lb.sim{color:var(--lab-sim)}.lb.user{color:var(--lab-user)}.lb.concept{color:var(--lab-con)}
.lb.sim{border-style:dashed}.lb.concept{border-style:dotted}
.lb-tip{font-size:12.5px;color:var(--muted);line-height:1.45;max-width:62ch}

/* tool page frame */
.lab-main{padding:24px 0 8px;background:var(--white)}
.lab-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.lab-badges{display:flex;gap:10px;align-items:center;flex-wrap:wrap;min-width:0;flex:1 1 320px}
.lab-acts{display:flex;gap:8px;flex-wrap:wrap}
.lab-btn{display:inline-flex;align-items:center;gap:7px;font:inherit;font-size:14px;font-weight:600;height:38px;padding:0 14px;border-radius:8px;border:1.5px solid var(--line);background:var(--card);color:var(--blue);cursor:pointer}
.lab-btn:hover{border-color:var(--blue)}
.lab-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lab-btn-ai{background:var(--navy);border-color:var(--navy);color:#F4F3EF}.lab-btn-ai:hover{background:var(--blue);border-color:var(--blue)}
.lab-btn.pri{background:var(--blue);border-color:var(--blue);color:#fff}
.lab-btn[disabled]{opacity:.45;cursor:not-allowed}
.lab-aimsg{margin:10px 0 0;font-size:14px;color:var(--muted)}
.lab-app{min-height:300px}
.lab-nojs{padding:18px;border:1.5px dashed var(--line);border-radius:12px;color:var(--muted)}
:where(.lab-app,.lab-main,.lab-allnav) :focus-visible{outline:3px solid #D9B77E;outline-offset:2px}

/* layout helpers */
.lab-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:18px;align-items:start}
.lab-grid.ctrl{grid-template-columns:300px minmax(0,1fr)}
@media (max-width:960px){.lab-grid,.lab-grid.ctrl{grid-template-columns:minmax(0,1fr)}}
.lab-panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.lab-panel h2,.lab-panel h3{margin:0 0 8px}
.lab-panel h2{font-size:20px}.lab-panel h3{font-size:16px}
.lab-panel p{font-size:14.5px;line-height:1.6;margin:0 0 10px}
.lab-muted{color:var(--muted);font-size:13.5px;line-height:1.5}
.lab-stage{background:linear-gradient(180deg,#FBFAF8,#F1EFEA);border:1px solid var(--line);border-radius:14px;padding:10px;position:relative}
.lab-stage svg{display:block;width:100%;height:auto}
.lab-sub{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 8px;font-weight:600}

/* controls */
.lab-ctl{display:grid;gap:14px}
.lab-f{display:grid;gap:6px}
.lab-f>label,.lab-f>.lab-fl{font-size:14px;font-weight:600;display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.lab-f output{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--blue);white-space:nowrap}
.lab-f small{font-size:12.5px;color:var(--muted);line-height:1.4}
.lab-f input[type=range]{width:100%;accent-color:var(--blue);height:26px;margin:0}
.lab-seg{display:flex;flex-wrap:wrap;gap:6px}
.lab-seg button{font:inherit;font-size:13px;font-weight:600;padding:7px 11px;border-radius:8px;border:1.5px solid var(--line);background:var(--white);color:var(--muted);cursor:pointer;line-height:1.25;text-align:left}
.lab-seg button[aria-checked=true],.lab-seg button[aria-pressed=true],.lab-seg button[aria-selected=true]{background:var(--navy);border-color:var(--navy);color:#F4F3EF}
.lab-seg button:hover{border-color:var(--blue)}
.lab-tg{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;font-weight:600;cursor:pointer}
.lab-tg input{appearance:none;-webkit-appearance:none;width:42px;height:24px;border-radius:999px;background:var(--line);position:relative;cursor:pointer;transition:background .15s;flex:none;margin:0}
.lab-tg input::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.lab-tg input:checked{background:var(--blue)}.lab-tg input:checked::after{transform:translateX(18px)}
.lab-ctl-toggle{display:none}
@media (max-width:960px){
 .lab-ctl-toggle{display:flex;width:100%;justify-content:center}
 .lab-ctlbox.collapsed .lab-ctl{display:none}
}

/* indicators */
.lab-inds{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}
.lab-ind{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:grid;gap:6px;align-content:start}
.lab-ind .k{font-size:12.5px;color:var(--muted);font-weight:600;line-height:1.3}
.lab-ind .v{font-size:17px;font-weight:700;color:var(--ink)}
.lab-lv{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;padding:3px 10px;border-radius:999px;width:max-content}
.lab-lv.l0{background:#E2EEE5;color:#2E6B3F}.lab-lv.l1{background:#F4ECD9;color:#8A6420}.lab-lv.l2{background:#F6E1D2;color:#A2531F}.lab-lv.l3{background:#F3D9D4;color:#A23B2A}
.lab-meter{height:8px;border-radius:99px;background:var(--tint);overflow:hidden}
.lab-meter i{display:block;height:100%;border-radius:99px;background:var(--blue);transition:width .4s}
.lab-vfa{display:grid;gap:6px}
.lab-vfa div{display:grid;grid-template-columns:86px 1fr;gap:8px;align-items:center;font-size:12.5px;font-weight:600}
.lab-why{margin:0;padding-left:18px}.lab-why li{font-size:14px;line-height:1.55;margin:5px 0}
.lab-why li.hl{color:var(--blue);font-weight:600}
.lab-chart{margin-top:4px}
.lab-chart text{font-family:var(--mono);font-size:10.5px;fill:var(--muted)}
.lab-note{font-size:12.5px;color:var(--muted);line-height:1.45;margin:8px 0 0}

/* chips / flow */
.lab-flow{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:6px 0 2px}
.lab-flow span{font-size:12.5px;font-weight:600;padding:5px 10px;border-radius:8px;background:var(--tint);color:var(--blue)}
.lab-flow i{font-style:normal;color:var(--brass,#B08D57);font-weight:700}
.lab-acc details{border-top:1px solid var(--line)}
.lab-acc summary{cursor:pointer;padding:10px 0;font-weight:600;font-size:14.5px;list-style:none;display:flex;justify-content:space-between}
.lab-acc summary::-webkit-details-marker{display:none}
.lab-acc summary::after{content:"+";color:var(--blue);font-weight:700}
.lab-acc details[open] summary::after{content:"–"}
.lab-acc p{margin:0 0 10px}

/* cow svg */
.cow-org{cursor:pointer;transition:opacity .2s}
.cow-org path,.cow-org ellipse,.cow-org rect,.cow-org circle{transition:fill .25s,stroke .25s,stroke-width .25s}
.cow-org:hover .o,.cow-org:focus-visible .o{stroke:#D9B77E;stroke-width:3}
.cow-org.sel .o{stroke:#162B42;stroke-width:3.5}
.cow-org.dim{opacity:.38}
.cow-org.hi .o{stroke:#D9B77E;stroke-width:3}
.cow-org:focus{outline:none}
.cow-org:focus-visible .o{stroke-dasharray:none}
@media (prefers-reduced-motion:no-preference){.cow-org.hi .o{animation:labPulse 1.8s ease-in-out infinite}}
@keyframes labPulse{50%{stroke-width:6;stroke-opacity:.55}}
.cow-lbl{font:700 12.5px var(--sans);fill:#162B42;pointer-events:none;paint-order:stroke;stroke:#FBFAF8;stroke-width:5px;stroke-linejoin:round}
.lab-dot{transition:transform .9s cubic-bezier(.4,.1,.2,1)}
@media (prefers-reduced-motion:reduce){.lab-dot{transition:none}}

/* steps */
.lab-steps{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.lab-steps button{width:30px;height:30px;border-radius:50%;border:1.5px solid var(--line);background:var(--white);font:600 13px var(--mono);color:var(--muted);cursor:pointer}
.lab-steps button[aria-current=step]{background:var(--blue);border-color:var(--blue);color:#fff}
.lab-steps button.done{border-color:var(--blue);color:var(--blue)}
.lab-nav2{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}

/* 24h */
.lab-scrub{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;margin:10px 0}
.lab-scrub input{width:100%;accent-color:var(--blue)}
.lab-clock{font:700 20px var(--mono);color:var(--navy);min-width:64px;text-align:right}
.lab-events{list-style:none;margin:0;padding:0;display:grid;gap:6px;max-height:260px;overflow:auto}
.lab-events li{display:grid;grid-template-columns:52px 1fr;gap:8px;font-size:13.5px;padding:7px 10px;border-radius:8px;background:var(--white);border:1px solid var(--line);opacity:.55}
.lab-events li.on{opacity:1;border-color:var(--blue)}
.lab-events li b{font-family:var(--mono);font-size:12px;color:var(--blue)}

/* microbiome */
.mb-b{cursor:pointer}
.mb-b circle.c{transition:r .6s ease,opacity .3s}
@media (prefers-reduced-motion:reduce){.mb-b circle.c{transition:none}}
.mb-b:focus{outline:none}.mb-b:focus-visible circle.c,.mb-b.sel circle.c{stroke:#162B42;stroke-width:3}
.mb-lvls{display:grid;gap:7px;margin-top:10px}
.mb-lvls div{display:grid;grid-template-columns:minmax(0,1fr) 110px;gap:10px;align-items:center;font-size:13px}
.mb-dots{display:flex;gap:4px}.mb-dots i{width:16px;height:8px;border-radius:3px;background:var(--tint)}.mb-dots i.on{background:var(--blue)}

/* silage */
.sl-phases{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin-top:12px}
@media (max-width:860px){.sl-phases{grid-template-columns:minmax(0,1fr)}}
.sl-ph{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;gap:8px;align-content:start;position:relative}
.sl-ph h3{font-size:15px;margin:0}
.sl-ph p{font-size:13px;line-height:1.5;margin:0;color:var(--muted)}
.sl-r{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:12.5px;font-weight:600}
.sl-msgs{margin:0;padding-left:18px}.sl-msgs li{font-size:14px;line-height:1.55;margin:4px 0}

/* cases */
.cs-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.cs-score{font:700 15px var(--mono);color:var(--navy)}
.cs-list{display:grid;gap:8px}
.cs-it{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;text-align:left;font:inherit;padding:12px 14px;border-radius:10px;border:1.5px solid var(--line);background:var(--white);cursor:pointer;color:var(--ink)}
.cs-it[aria-current=true]{border-color:var(--blue);background:var(--card)}
.cs-it b{font-size:14px;line-height:1.35}.cs-it small{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.cs-ok{color:var(--lab-ref);font-weight:700;font-size:13px}
.cs-facts{margin:0 0 12px;padding:12px 14px 12px 30px;background:var(--white);border:1px solid var(--line);border-radius:10px}
.cs-facts li{font-size:14px;line-height:1.5;margin:3px 0}
.cs-opts{display:grid;gap:8px;margin:10px 0;border:0;padding:0}
.cs-opt{display:flex;gap:10px;align-items:flex-start;padding:11px 13px;border-radius:10px;border:1.5px solid var(--line);background:var(--white);cursor:pointer;font-size:14.5px;line-height:1.45}
.cs-opt input{margin-top:3px;accent-color:var(--blue)}
.cs-opt.ok{border-color:var(--lab-ref);background:#EEF5EF}.cs-opt.no{border-color:var(--lab-bad);background:#F8ECE9}
.cs-fb{font-size:13.5px;margin:4px 0 0;color:var(--muted)}
.cs-res{padding:14px;border-radius:12px;background:var(--tint);margin-top:10px}
.cs-res h3{margin:0 0 6px;font-size:16px}

/* what-if */
.wi-t{width:100%;border-collapse:collapse;font-size:14px}
.wi-t th{text-align:left;font-size:12px;color:var(--muted);font-weight:600;padding:6px 6px;border-bottom:1px solid var(--line)}
.wi-t td{padding:6px;border-bottom:1px solid var(--line);vertical-align:middle}
.wi-t select,.wi-t input,.wi-an input{font:inherit;font-size:14px;padding:7px 8px;border:1.5px solid var(--line);border-radius:7px;background:var(--white);color:var(--ink);width:100%;min-width:0}
.wi-t input[type=number]{width:84px}
.wi-x{font:inherit;border:0;background:none;color:var(--lab-bad);cursor:pointer;font-size:18px;line-height:1;padding:4px 8px}
.wi-an{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;padding:8px 0}
.wi-an label{display:grid;gap:3px;font-size:11.5px;color:var(--muted);font-weight:600}
.wi-sum{width:100%;border-collapse:collapse;font-size:14px}
.wi-sum td,.wi-sum th{padding:7px 6px;border-bottom:1px solid var(--line);text-align:right}
.wi-sum th{font-size:12px;color:var(--muted);font-weight:600}
.wi-sum td:first-child,.wi-sum th:first-child{text-align:left}
.wi-up{color:#8A6420;font-weight:700}.wi-dn{color:var(--blue);font-weight:700}
@media (max-width:640px){
 .wi-t thead{display:none}.wi-t tr{display:grid;grid-template-columns:1fr auto auto;gap:6px;padding:8px 0;border-bottom:1px solid var(--line)}
 .wi-t td{border:0;padding:0}.wi-t td.wi-fd{grid-column:1/-1}.wi-an{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* feeds */
.fx-top{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin-bottom:12px}
.fx-search{font:inherit;font-size:15px;padding:10px 13px;border:1.5px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);width:100%}
.fx-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:10px}
.fx-c{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;gap:8px;align-content:start}
.fx-c.on{border-color:var(--blue);box-shadow:0 0 0 2px rgba(31,63,96,.15)}
.fx-h{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.fx-h b{font-size:15.5px;line-height:1.3}.fx-h small{display:block;font-size:12px;color:var(--muted)}
.fx-ck{display:flex;gap:6px;align-items:center;font-size:12.5px;font-weight:600;color:var(--blue);cursor:pointer;white-space:nowrap}
.fx-bars{display:grid;gap:5px}
.fx-bar{display:grid;grid-template-columns:76px 1fr 64px;gap:8px;align-items:center;font-size:11.5px}
.fx-bar span:first-child{color:var(--muted);font-weight:600}
.fx-bar span:last-child{font-family:var(--mono);text-align:right}
.fx-tr{position:relative;height:8px;border-radius:99px;background:var(--tint)}
.fx-tr i{position:absolute;top:0;bottom:0;border-radius:99px;background:var(--lab-ref);min-width:4px}
.fx-rate{font-size:12.5px}
.fx-cmp{margin-top:16px}
.fx-cmpg{display:grid;gap:14px}
.fx-cmpg .row h4{margin:0 0 6px;font-size:13px}
.fx-cmpg .fx-bar{grid-template-columns:130px 1fr 70px}
.fx-pend{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.fx-pend span{font-size:13px;padding:6px 10px;border-radius:8px;border:1.5px dashed var(--line);color:var(--muted)}
.fx-sticky{position:sticky;bottom:12px;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;background:var(--navy);color:#F4F3EF;border-radius:12px;padding:10px 14px;margin-top:12px;box-shadow:0 8px 22px rgba(22,43,66,.25)}
.fx-sticky .lab-btn{height:34px}

/* transition */
.tr-days{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0 12px}
.tr-days button{font:600 13px var(--mono);padding:7px 10px;border-radius:8px;border:1.5px solid var(--line);background:var(--white);color:var(--muted);cursor:pointer;min-width:52px}
.tr-days button[aria-selected=true]{background:var(--navy);border-color:var(--navy);color:#F4F3EF}
.tr-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
@media (max-width:760px){.tr-cols{grid-template-columns:minmax(0,1fr)}}
.tr-cols>div{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.tr-cols h3{font-size:13px;font-family:var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--blue);margin:0 0 6px}
.tr-cols p,.tr-cols li{font-size:14px;line-height:1.55;margin:0}
.tr-cols ul{margin:0;padding-left:18px}
.tr-leg{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0}
.tr-leg label{display:flex;gap:6px;align-items:center;font-size:12.5px;font-weight:600;cursor:pointer;padding:4px 9px;border-radius:999px;border:1.5px solid var(--line);background:var(--white)}
.tr-leg i{width:12px;height:3px;border-radius:2px}
.tr-dcad{margin-top:14px;border-left:4px solid #D9B77E}

/* learn section */
.lab-learn{padding-block:48px 56px;background:var(--tint)}
.lab-learn-g{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}
@media (max-width:980px){.lab-learn-g{grid-template-columns:minmax(0,1fr)}}
.lab-prose h2{font-size:22px;margin:0 0 10px}.lab-prose h2:not(:first-child){margin-top:26px}
.lab-prose h3{font-size:16px;margin:16px 0 4px}
.lab-prose p,.lab-prose li{font-size:15px;line-height:1.65;color:var(--ink)}
.lab-prose p{margin:0 0 8px}.lab-prose li{margin:4px 0}
.lab-aside{display:grid;gap:14px;position:sticky;top:96px}
@media (max-width:980px){.lab-aside{position:static}}
.lab-method summary{cursor:pointer;font-weight:700;font-size:16px;list-style:none}
.lab-method summary::-webkit-details-marker{display:none}
.lab-method p{font-size:14px;line-height:1.6;margin:10px 0}
.lab-refs{margin:0;padding-left:18px}.lab-refs li{font-size:12.5px;line-height:1.5;color:var(--muted);margin:5px 0}
.lab-rel{display:grid;gap:8px}
.lab-rel-t{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);font-weight:600;font-size:14.5px;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:var(--white)}
.lab-rel-t:hover{border-color:var(--blue)}.lab-rel-t .lab-ic{color:var(--blue)}
.lab-rel-s{font-size:14px;font-weight:600;color:var(--blue);text-decoration:none;padding:2px 0}
.lab-edu{font-size:12.5px;color:var(--muted);line-height:1.5;margin:0}
.lab-tw{overflow-x:auto}
.lab-t{border-collapse:collapse;width:100%;font-size:13.5px;background:var(--card)}
.lab-t th,.lab-t td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.lab-t th{font-size:12px;color:var(--muted)}
.lab-allnav{background:var(--white);border-top:1px solid var(--line);padding:22px 0 28px}
.lab-allh{font-weight:700;color:var(--blue);text-decoration:none;font-size:14.5px}
.lab-alll{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.lab-alll a{display:inline-flex;gap:7px;align-items:center;font-size:13.5px;font-weight:600;color:var(--ink);text-decoration:none;padding:7px 11px;border-radius:999px;border:1.5px solid var(--line);background:var(--card)}
.lab-alll a .lab-ic{width:16px;height:16px;color:var(--blue)}
.lab-alll a[aria-current=page]{background:var(--navy);border-color:var(--navy);color:#F4F3EF}.lab-alll a[aria-current=page] .lab-ic{color:#D9B77E}
.lab-alll a:hover{border-color:var(--blue)}
@media (prefers-reduced-motion:reduce){.lab-card,.lab-meter i{transition:none}}

/* chart v2 */
.lab-cw{position:relative}
.lab-chart{display:block;width:100%;height:auto;overflow:visible}
.lab-chart:focus{outline:none}.lab-chart:focus-visible{outline:2px solid #D9B77E;outline-offset:4px;border-radius:6px}
.lab-chart text{font-family:var(--mono);font-size:10.5px;fill:#6B7380}
.lab-chart text.ax-t{font-family:var(--sans);font-size:11.5px;font-weight:600;fill:#555E68}
.lab-chart text.band-t{font-family:var(--sans);font-size:11px;font-weight:600;fill:#A23B2A}
.lab-chart .draw{stroke-dasharray:2400;stroke-dashoffset:2400;animation:labDraw 1.1s ease-out forwards}
@keyframes labDraw{to{stroke-dashoffset:0}}
.lab-tip{position:absolute;transform:translate(-50%,0);margin-top:6px;background:#162B42;color:#F4F3EF;border-radius:6px;padding:8px 10px;font-size:12.5px;line-height:1.35;pointer-events:none;box-shadow:0 10px 24px -10px rgba(0,0,0,.5);min-width:120px;z-index:5}
.lab-tip b{display:block;font-family:var(--mono);font-size:11px;font-weight:600;color:#D9B77E;margin-bottom:4px;letter-spacing:.03em}
.lab-tip .r{display:flex;align-items:center;gap:7px;white-space:nowrap}
.lab-tip .r i{width:12px;height:2.5px;border-radius:2px;flex:none}
.lab-tip .r strong{font-size:14px;font-weight:700}
.lab-tip .r span{color:rgba(244,243,239,.75);font-size:12px}
.lab-tip .mk{margin-top:4px;color:#D9B77E;font-size:11.5px}
.lab-lgd{display:flex;flex-wrap:wrap;gap:6px 16px;margin:2px 0 8px;font-size:13px;color:var(--ink)}
.lab-lgd span{display:inline-flex;align-items:center;gap:7px}
.lab-lgd i{width:16px;height:3px;border-radius:2px}
.lab-tblw{margin-top:8px;font-size:13px}
.lab-tblw summary{cursor:pointer;color:var(--blue);font-weight:600;font-size:13px}
.lab-tbl{border-collapse:collapse;margin-top:8px;font-size:12.5px;width:100%;max-width:520px}
.lab-tbl th,.lab-tbl td{border-bottom:1px solid var(--line);padding:5px 8px;text-align:left;font-variant-numeric:tabular-nums}
.lab-tbl th{font-weight:600;color:var(--muted)}
/* live rumen v2 */
.rx-grid{grid-template-columns:290px minmax(0,1fr)!important;gap:18px}
@media (max-width:960px){.rx-grid{grid-template-columns:minmax(0,1fr)!important}}
.rx-main{display:grid;gap:14px;min-width:0}
.rx-lbl{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#B08D57;margin:0 0 -4px}
.rx-pre{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.rx-pre button{font:inherit;font-size:13px;font-weight:600;padding:9px 8px;border-radius:6px;border:1.5px solid var(--line);background:var(--white);color:var(--blue);cursor:pointer;text-align:center;line-height:1.25}
.rx-pre button:hover{border-color:var(--blue)}
.rx-pre button[aria-pressed=true]{background:#162B42;border-color:#162B42;color:#F4F3EF}
.rx-adv{border-top:1px solid var(--line);padding-top:10px}
.rx-adv summary{cursor:pointer;font-weight:700;font-size:14px;color:var(--blue);margin-bottom:10px}
.rx-adv[open]{display:grid;gap:14px}
.rx-stage{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:10px;align-items:center;padding:14px;background:radial-gradient(120% 90% at 30% 20%,#FFFFFF,#EEEAE2)}
@media (max-width:720px){.rx-stage{grid-template-columns:minmax(0,1fr)}}
.rx-art{width:100%;height:auto;display:block}
.rx-lb text{font:700 12px var(--sans);fill:#162B42;paint-order:stroke;stroke:#FBFAF8;stroke-width:4.5px;stroke-linejoin:round}
.rx-lb text.rx-sal{fill:#2E5784}
.rx-flow{animation:rxFlow 1.1s linear infinite}
@keyframes rxFlow{to{stroke-dashoffset:-22}}
@media (prefers-reduced-motion:reduce){.rx-flow{animation:none}}
.rx-gbox{background:#FBFAF8;border:1px solid var(--line);border-radius:10px;padding:12px 12px 14px;display:grid;justify-items:center;gap:2px;text-align:center;box-shadow:0 12px 26px -20px rgba(22,43,66,.5)}
.rx-gk{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#B08D57}
.rx-gauge{width:100%;max-width:200px;height:auto}
.rx-gauge .gt{font:600 10px var(--mono);fill:#6B7380}
.rx-needle{transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.rx-gn{display:flex;align-items:baseline;gap:6px;margin-top:2px}
.rx-gv{font-size:34px;font-weight:700;color:#162B42;line-height:1}
.rx-gn small{font-size:12px;color:var(--muted)}
.rx-gt{font-family:var(--mono);font-size:12px;color:var(--muted)}
.rx-gs{margin-top:6px}
.rx-scrub{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 14px}
.rx-scrub input{flex:1;accent-color:#162B42}
.rx-play{min-width:0;justify-content:center;white-space:nowrap}
@media (max-width:480px){.rx-scrub{flex-wrap:wrap}.rx-scrub input{order:3;flex:1 1 100%}.rx-play{flex:1}}
.rx-clock{font-family:var(--mono);font-weight:700;font-size:16px;color:#162B42;min-width:52px;text-align:right}
.rx-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:720px){.rx-kpis{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.rx-kpi{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:grid;gap:4px;align-content:start}
.rx-kpi .k{font-size:12.5px;font-weight:600;color:var(--muted)}
.rx-kpi strong{font-size:26px;font-weight:700;color:#162B42;line-height:1.1}
.rx-kpi small{font-size:11.5px;color:var(--muted)}
.rx-ch{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.rx-ch h3{margin:0}
.rx-ch span{font-size:12.5px}
.rx-two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
@media (max-width:860px){.rx-two{grid-template-columns:minmax(0,1fr)}}
.rx-vfa{display:flex;gap:2px;height:30px;border-radius:5px;overflow:hidden;margin:8px 0 10px}
.rx-vfa span{display:flex;align-items:center;justify-content:center;min-width:0;transition:flex .4s}
.rx-vfa b{color:#fff;font-size:12.5px;font-weight:700}
.rx-ap{font-size:14px;margin:4px 0 6px}
.rx-ap strong{font-size:18px;color:#162B42}

/* realistic cow hotspots */
.cow-photo .o{fill:rgba(217,183,126,0);stroke:rgba(217,183,126,0);stroke-width:5;transition:fill .2s,stroke .2s}
.cow-photo .o-glow{fill:none;stroke:none}
.cow-photo .cow-org{cursor:pointer;outline:none}
.cow-photo .cow-org:hover .o,.cow-photo .cow-org:focus-visible .o{fill:rgba(255,246,220,.22);stroke:#D9B77E}
.cow-photo .cow-org.sel .o{fill:rgba(255,246,220,.18);stroke:#FBFAF8;stroke-width:7}
.cow-photo .cow-org.sel .o-glow{stroke:#D9B77E;stroke-width:10}
.cow-photo .cow-org.hi .o{stroke:#D9B77E;stroke-width:7}
.cow-photo .cow-org.hi .o-glow{stroke:#D9B77E;stroke-width:8;opacity:.8}
@media (prefers-reduced-motion:no-preference){.cow-photo .cow-org.hi .o-glow{animation:labPulse 1.8s ease-in-out infinite}}
.cow-photo .cow-org.dim .o{fill:rgba(251,250,248,.22)}
.cow-photo .cow-lbl{font:700 34px var(--sans);fill:#162B42;stroke:#FBFAF8;stroke-width:12px;paint-order:stroke;stroke-linejoin:round}
.cow-photo .cow-lead{stroke:#162B42;stroke-width:2.6;fill:none;opacity:.6}
.cow-photo .cow-pin{fill:#162B42;stroke:#FBFAF8;stroke-width:3}
.cow-photo .cow-lab{transition:opacity .2s}
.cow-photo .cow-lab.dim{opacity:.35}
.cow-photo .cow-lab.hov .cow-lbl,.cow-photo .cow-lab.sel .cow-lbl,.cow-photo .cow-lab.hi .cow-lbl{fill:#8A6420}
.cow-photo .cow-lab.sel .cow-pin,.cow-photo .cow-lab.hi .cow-pin{fill:#D9B77E}
.cow-photo .cow-lab.sel .cow-lead{stroke:#B08D57;opacity:1}
@media (max-width:640px){.cow-photo .cow-lbl{font-size:44px;stroke-width:14px}}