@font-face{font-family:PT Sans;src:url(/fonts/PTSans-Regular.ttf) format("truetype");font-display:swap}:root{--ink:#132f3b;--muted:#647882;--teal:#007e80;--teal-dark:#005c60;--line:#d9e5e6;--paper:#fff;--orange:#da773c;--danger:#ad3d38;--green:#21715b;--warning:#8a6621;--radius:18px;font-family:PT Sans,sans-serif;color:var(--ink);background:#f0f5f5;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 0%,#e1efeb,transparent 45%),linear-gradient(115deg,#f4f7f5,#edf3f4);min-width:320px}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #63c9bb;outline-offset:3px}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em}h2{font-size:28px;line-height:1.2}h3{font-size:22px}h4{font-size:17px;margin:22px 0 12px}p{line-height:1.6}small{line-height:1.5}.page{max-width:1580px;margin:auto;padding:0 44px}.topbar{display:flex;gap:28px;align-items:center;min-height:98px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;font-size:12px;letter-spacing:.12em;font-weight:700}.brand small{display:block;letter-spacing:0;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}.brand-mark{display:grid;place-items:center;background:var(--ink);color:#fff;border-radius:11px;width:54px;height:46px;font-size:18px;letter-spacing:0}.main-nav{display:flex;margin-left:auto;gap:8px}.main-nav button,.admin-tabs button,.result-tabs button{background:none;border:0;color:var(--muted);padding:12px 17px;border-radius:10px}.main-nav button.active{background:#fff;color:var(--teal);box-shadow:0 3px 10px #16393b06}.catalog-state{font-size:11px;color:var(--muted);max-width:220px}.catalog-state small{display:block;color:var(--teal)}.hero{display:flex;justify-content:space-between;align-items:center;padding:54px 0 40px;gap:40px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);display:block;margin-bottom:10px}.hero h1{font-family:Georgia,Times New Roman,serif;font-size:clamp(34px,3.3vw,54px);font-weight:400;line-height:1.08;margin:0 0 18px}.hero h1 em{font-style:normal;color:var(--teal)}.hero p{color:var(--muted);margin-bottom:0;font-size:16px}.hero-note{border-left:1px solid #b8cecc;padding-left:32px;min-width:305px}.hero-note p{margin:14px 0 18px}.example-actions{display:flex;gap:8px}.badge{display:inline-block;font-size:11px;letter-spacing:.02em;background:#dfedeb;color:var(--teal-dark);border:1px solid #c4dfd9;border-radius:6px;padding:5px 9px}.badge.warning{background:#fff4df;color:var(--warning);border-color:#eedfbd}.diagram-panel{padding:24px 30px 12px;background:linear-gradient(120deg,#fff,#f8fcfb);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:26px;box-shadow:0 8px 25px #123c4003}.system-diagram{display:flex;align-items:center;justify-content:center;gap:10px}.diagram-seal,.diagram-sensor{display:flex;align-items:center;flex-direction:column;gap:3px;text-align:center;font-size:13px;min-width:108px}.diagram-icon{width:38px;height:38px;display:grid;place-items:center;border:3px double #6dada5;background:#eff9f5;border-radius:50%;color:var(--teal);margin-bottom:5px}.diagram-sensor{padding:17px 25px;background:#edf5f4;border:1px solid #b7d6d1;border-radius:12px;min-width:210px}.diagram-sensor .eyebrow{font-size:9px;margin:0 0 5px}.diagram-seal small,.diagram-sensor small{color:var(--muted)}.diagram-line{min-width:90px;flex:1;max-width:210px;text-align:center;font-size:11px;color:var(--muted)}.pipeline{height:6px;position:relative;background:repeating-linear-gradient(90deg,#e2eeeb 0,#e2eeeb 8px,#66aaa3 8px,#66aaa3 17px);border-radius:5px;margin:9px 0}.pipeline:after{content:"";position:absolute;right:0;top:-3px;border-left:8px solid var(--teal);border-top:6px solid transparent;border-bottom:6px solid transparent}.diagram-caption{text-align:center;font-size:11px;color:var(--muted);margin:17px 0 0}.calculator-layout{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);align-items:start;gap:26px}.input-workspace,.results-workspace,.admin-workspace{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px #123c4004}.workspace-heading{padding:26px 28px 16px;display:flex;align-items:start;justify-content:space-between;gap:20px}.workspace-heading h2{font-size:24px;margin:0}.workspace-heading p{color:var(--muted);font-size:14px;max-width:720px}.text-button{border:0;background:none;color:var(--teal);padding:5px 0;font-size:13px;text-decoration:underline;text-underline-offset:3px}.step-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:0 22px 14px;border-bottom:1px solid var(--line)}.step-tabs button{border:0;background:none;color:var(--muted);border-radius:9px;padding:10px 7px;text-align:left;font-size:12px}.step-tabs button span{display:block;font-size:10px;margin-bottom:3px}.step-tabs button.active{background:#e9f4f1;color:var(--teal-dark)}.step-content{padding:27px 28px}.section-intro h3{margin:0 0 9px}.section-intro p{font-size:13px;color:var(--muted);margin-bottom:24px}.fields-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px 18px}.eng-field{min-width:0}.field-heading{display:flex;align-items:center;gap:6px;min-height:31px;margin-bottom:6px}.field-heading label{font-size:12px;line-height:1.35}.help-wrap{position:relative;display:inline-flex;flex-shrink:0}.help-button{width:17px;height:17px;border:1px solid #c4d3d8;border-radius:50%;background:#f4f7f7;color:var(--muted);font-size:11px;padding:0}.help-tooltip{position:absolute;left:-90px;bottom:26px;z-index:20;width:260px;background:#173b43;color:#fff;padding:13px 15px;border-radius:10px;font-size:12px;line-height:1.6;box-shadow:0 8px 30px #14333730;visibility:hidden;opacity:0;transform:translateY(3px);transition:opacity .15s,transform .15s;pointer-events:none;font-weight:400}.help-button:hover+.help-tooltip,.help-button:focus+.help-tooltip{visibility:visible;opacity:1;transform:translateY(0)}input,select,textarea{width:100%;border:1px solid #cfdddf;border-radius:9px;background:#fafcfb;color:var(--ink);padding:11px 12px;outline:none;min-height:43px;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #008b8012;background:#fff}input::placeholder{color:#95a5aa;font-size:12px}select{padding-right:24px;font-size:13px}.number-shell{position:relative}.number-shell input{padding-right:76px;font-variant-numeric:tabular-nums}.number-shell>span{position:absolute;right:12px;top:13px;font-size:11px;color:var(--muted);pointer-events:none}.source-note{font-size:11px;color:var(--muted);line-height:1.65;margin-top:15px;margin-bottom:0}.form-divider{height:1px;background:var(--line);margin:27px 0}.zone-card{background:#f6f9f8;border:1px solid #e1ebe9;border-radius:12px;padding:16px;margin-bottom:15px}.zone-card h4{margin:0 0 7px}.wide{grid-column:1/-1}.inline-info{background:#f0f7f5;border-left:3px solid #7aafa6;border-radius:0 8px 8px 0;color:#456d69;padding:15px;font-size:12px;line-height:1.65;margin:15px 0}.fluid-profile{background:linear-gradient(135deg,#eef7f2,#f9fbfa);padding:19px;border:1px solid #dceae4;border-radius:12px;margin-top:22px}.fluid-profile h4{margin-top:0}.fluid-profile p{font-size:13px;margin-bottom:8px}.advanced{margin-top:24px;border:1px solid var(--line);border-radius:10px;padding:15px}.advanced summary,details summary{cursor:pointer;font-size:13px;color:var(--teal-dark)}.advanced .fields-grid{padding-top:20px}.form-actions,.result-actions,.admin-actions{border-top:1px solid var(--line);padding:20px 28px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.primary,.primary-button{border:1px solid var(--teal);background:var(--teal);color:#fff;border-radius:9px;padding:12px 19px;font-size:13px;box-shadow:0 4px 10px #007e8013}.primary:hover,.primary-button:hover{background:var(--teal-dark)}.form-actions .primary{margin-left:auto}.secondary,.secondary-button{border:1px solid #cddedf;background:#fff;color:var(--ink);border-radius:9px;padding:11px 15px;font-size:12px}.secondary:hover,.secondary-button:hover{background:#f3f8f7}.results-workspace{padding:30px;position:relative;overflow:hidden}.results-workspace.has-result{padding:0;overflow:visible}.results-workspace>h2{font-size:33px}.results-workspace>p{color:var(--muted);font-size:14px}.empty-orbit{height:280px;position:relative;display:grid;place-items:center;background:radial-gradient(circle,transparent 30%,#e5eeeb 30.3%,transparent 30.6%,transparent 48%,#e5eeeb 48.3%,transparent 48.7%);margin:10px 0 15px}.orbit-center{border:1px solid #9ec7bf;border-radius:50%;background:linear-gradient(145deg,#e2f1e9,#f7faf7);width:115px;height:115px;display:grid;place-items:center;font-family:Georgia,serif;font-size:35px;color:var(--teal)}.orbit-tag{position:absolute;padding:8px 13px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:12px;color:var(--muted);box-shadow:0 5px 10px #23312d04}.tag-one{top:33px;left:15%}.tag-two{top:104px;right:4%}.tag-three{bottom:29px;left:31%}.result-header{display:flex;justify-content:space-between;gap:10px;padding:26px 27px 16px;align-items:start}.result-header h2{font-size:24px;margin:0}.result-header .badge{white-space:nowrap;font-size:10px}.verdict{padding:13px 16px;margin:0 26px 22px;border-radius:10px;background:#fcf5e8;color:var(--warning);border:1px solid #f0e4ca}.verdict.danger{background:#fff0ec;color:var(--danger);border-color:#efcdc5}.verdict strong{font-size:14px}.verdict p{font-size:11px;line-height:1.55;margin:4px 0 0}.metrics-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 26px 25px}.metric{background:#f5f8f7;border:1px solid #e2eae7;border-radius:12px;padding:17px}.metric>span{color:var(--muted);font-size:12px}.metric strong{font-size:29px;display:block;line-height:1.4;font-weight:400;font-variant-numeric:tabular-nums}.metric strong small{font-size:13px;color:var(--muted)}.metric p{font-size:11px;line-height:1.4;margin:3px 0 0;color:var(--muted)}.metric.primary{background:linear-gradient(135deg,#006f72,#188980);border-color:#007575;color:#fff;box-shadow:none}.metric.primary span,.metric.primary small,.metric.primary p{color:#c3e3dc}.result-tabs{display:flex;justify-content:space-between;gap:3px;padding:0 20px 12px;border-bottom:1px solid var(--line)}.result-tabs button{font-size:12px;padding:9px 12px}.result-tabs button.active,.admin-tabs button.active{color:var(--teal-dark);background:#e9f4f1}.result-body{padding:23px 27px}.result-body h3{font-size:19px;margin:12px 0}.volume-strip{display:flex;justify-content:space-between;gap:20px;padding:13px 0 23px;border-bottom:1px solid var(--line);margin-bottom:22px}.volume-strip span{display:block;color:var(--muted);font-size:11px}.volume-strip strong{font-size:23px;font-weight:400;white-space:nowrap}.volume-strip p{font-size:11px;color:var(--muted);max-width:230px;margin:0}.action-list,.trace-list{padding-left:18px;font-size:12px;color:#536c74;line-height:1.65}.action-list li,.trace-list li{margin:0 0 12px}.action-list li::marker{color:#7ea79a}.checks-list{display:grid;gap:10px}.check{display:flex;gap:12px;border:1px solid #cde4d9;border-left:3px solid var(--green);border-radius:10px;padding:14px;background:#f2faf5;color:var(--green)}.check.fail{background:#fff0ed;color:var(--danger);border-color:#edccc4;border-left-color:var(--danger)}.check.warning{background:#fff9ec;color:var(--warning);border-color:#eadfc3;border-left-color:#c49e48}.check-symbol{font-size:18px;font-weight:700}.check strong{font-size:12px;display:block}.check small{font-size:10px;opacity:.9;display:block;margin:2px 0}.check p{font-size:11px;margin:6px 0 0;line-height:1.55;color:inherit}.data-list{margin:0}.data-list>div{display:flex;justify-content:space-between;gap:20px;padding:10px 0;border-bottom:1px solid #e9eeec;font-size:12px;align-items:start}.data-list dt{color:var(--muted);max-width:65%}.data-list dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}.result-body details{border-top:1px solid var(--line);padding:15px 0;margin-top:14px}.chart-wrap svg{width:100%;display:block}.chart-wrap svg text{font-family:PT Sans,sans-serif;font-size:11px;fill:var(--muted)}.chart-grid{stroke:#e0e9e6;stroke-dasharray:4 4}.chart-hydro,.chart-output{fill:none;stroke:var(--teal);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.chart-output{stroke:var(--orange);stroke-width:2.5}.chart-legend{display:flex;gap:18px;font-size:11px;color:var(--muted);margin:15px 0}.chart-legend i{display:inline-block;width:14px;height:3px;background:var(--teal);margin-right:5px;vertical-align:middle}.chart-legend i.orange{background:var(--orange)}.empty-chart{background:#f7f9f7;color:var(--muted);font-size:13px;padding:35px 24px;border:1px dashed #c4d7d0;border-radius:12px}.experiment-card{padding:15px;border:1px solid var(--line);border-radius:10px;font-size:12px;margin-bottom:12px}.experiment-card p{margin:5px 0}.experiment-card small{color:var(--muted);font-size:11px}.result-actions{padding:18px 26px}.error-message,.success-message,.alert.error{background:#fff0ed;color:var(--danger);border:1px solid #efcec4;border-radius:10px;padding:14px;font-size:13px}.success-message{background:#eef8f1;border-color:#c9e1d1;color:var(--green)}.alert.error{margin:0 27px 20px}.alert.error ul{padding-left:18px}.page-footer{padding:35px 0;display:flex;justify-content:space-between;gap:25px;color:var(--muted);font-size:11px}.print-only{display:none}.admin-workspace{margin:30px 0;padding-bottom:0}.admin-workspace>.error-message,.admin-workspace>.success-message{margin:0 28px 20px}.login-card{padding:30px;max-width:550px}.login-card p{color:var(--muted);font-size:13px}.login-card form{display:grid;gap:18px}label{font-size:12px;display:block}label>input,label>select,label>textarea{margin-top:7px}.admin-tabs{display:flex;gap:10px;padding:0 28px 20px;flex-wrap:wrap}.admin-layout{display:grid;grid-template-columns:220px 1fr;gap:25px;padding:0 28px 30px}.record-nav{display:flex;flex-direction:column;gap:6px;align-items:stretch}.record-nav>button{background:none;border:0;text-align:left;color:var(--muted);padding:12px;border-radius:9px;font-size:13px}.record-nav>button.active{background:#eaf4f0;color:var(--teal-dark)}.record-editor{padding:22px;background:#f8fbfa;border:1px solid var(--line);border-radius:12px}.record-editor .fields-grid{margin:20px 0}.record-editor textarea{min-height:90px;resize:vertical}.record-editor>label{margin-bottom:18px}.checkbox-label{display:flex;gap:8px;align-items:center}.checkbox-label input{width:auto;min-height:auto}.curve-editor{border-top:1px solid var(--line);padding:5px 0 22px}.curve-row{display:grid;grid-template-columns:1fr 1fr auto;gap:15px;align-items:end;margin:15px 0}.curve-row button{padding:13px 0}.admin-workspace>.fields-grid{padding:0 28px 28px}.history-list{padding:0 28px 30px}.history-list>div{display:flex;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:12px}.history-list span{font-size:12px;color:var(--muted);flex:1}.admin-actions{padding:20px 28px}.error-message{overflow-wrap:anywhere}.hero,.diagram-panel,.calculator-layout{animation:reveal .45s ease-out both}.diagram-panel{animation-delay:.07s}.calculator-layout{animation-delay:.12s}@keyframes reveal{0%{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}@media (min-width:1450px){.calculator-layout{grid-template-columns:minmax(0,620px) minmax(0,1fr)}}@media (max-width:1100px){.page{padding:0 24px}.topbar{gap:15px}.catalog-state{display:none}.hero-note{min-width:260px}.calculator-layout{gap:18px}.step-content{padding:22px}.fields-grid{gap:16px 12px}.result-header{flex-direction:column}.form-actions{padding:20px}.form-actions .primary{margin-left:0}.diagram-line{min-width:55px}.diagram-sensor{min-width:175px;padding:15px}.diagram-seal{min-width:90px}}@media (max-width:850px){.calculator-layout{grid-template-columns:1fr}.hero h1{font-size:43px}.hero-note{min-width:235px}.hero-note p{font-size:13px}.results-workspace{min-height:400px}.result-header{flex-direction:row}.diagram-panel{padding:23px 16px 12px}.diagram-seal{font-size:11px;min-width:70px}.diagram-sensor{font-size:11px;min-width:150px}.diagram-line{font-size:10px}.admin-layout{grid-template-columns:170px 1fr}.record-editor{padding:17px}}@media (max-width:600px){.page{padding:0 14px}.topbar{flex-wrap:wrap;padding:17px 0;gap:15px;min-height:auto}.brand{font-size:10px}.brand-mark{width:43px;height:38px;font-size:15px}.main-nav{margin-left:0;width:100%;justify-content:space-between}.main-nav button{padding:8px 12px;font-size:12px}.hero{padding:30px 4px 24px;display:block}.hero h1{font-size:39px}.hero p{font-size:14px}.hero-note{border-left:0;padding:16px 0 0;margin-top:16px;border-top:1px solid var(--line)}.hero-note p{display:none}.example-actions{margin-top:13px}.system-diagram{gap:6px;flex-wrap:wrap}.diagram-seal{min-width:68px}.diagram-sensor{min-width:125px;padding:13px 9px}.diagram-line{min-width:40px;max-width:80px;flex:1}.diagram-sensor .eyebrow{font-size:7px}.system-diagram:has(.diagram-seal:nth-child(5)) .diagram-sensor{order:3;width:100%;flex-basis:100%;margin:8px 35px}.diagram-seal:nth-child(5){order:2}.diagram-line:nth-child(4){order:2;flex:1}.diagram-panel{padding:18px 12px 10px}.workspace-heading{padding:22px 20px 16px}.workspace-heading h2,.result-header h2{font-size:22px}.step-tabs{padding:0 12px 12px}.step-tabs button{font-size:11px}.step-content{padding:22px 18px}.fields-grid{gap:17px 12px}.number-shell input{font-size:14px;padding:11px 65px 11px 9px}.number-shell>span{font-size:10px;right:8px}.field-heading label{font-size:11px}.help-tooltip{width:235px;left:-155px}.fields-grid>.eng-field:nth-child(odd) .help-tooltip{left:-60px}.result-header{padding:23px 20px 15px;flex-wrap:wrap}.verdict{margin:0 18px 20px}.metrics-grid{margin:0 18px 22px;gap:9px}.metric{padding:13px}.metric strong{font-size:25px}.result-tabs{padding:0 10px 10px}.result-tabs button{font-size:11px;padding:9px}.result-body,.result-actions{padding:20px 18px}.volume-strip{display:block}.volume-strip p{margin-top:9px;max-width:none}.page-footer{display:block}.page-footer span{display:block;margin-bottom:9px}.admin-layout{display:block;padding:0 17px 20px}.record-nav{flex-direction:row;flex-wrap:wrap;margin-bottom:15px}.record-nav button{padding:8px;font-size:12px}.admin-tabs{padding:0 17px 18px;gap:3px}.admin-tabs button{font-size:12px;padding:9px}.curve-row{gap:10px}.history-list{padding:0 17px 20px}.history-list>div{flex-wrap:wrap}.admin-actions{padding:18px}.hero .eyebrow{font-size:10px}}@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}@media print{body{background:#fff}.page{padding:0;max-width:none}.topbar,.hero,.input-workspace,.main-nav,.result-tabs,.result-actions,.page-footer,.admin-workspace{display:none!important}.calculator-layout{display:block}.diagram-panel{border:1px solid #aaa;box-shadow:none;margin-bottom:20px;break-inside:avoid}.results-workspace{border:0;box-shadow:none}.result-body{display:none}.print-only{display:block;padding:25px}.metrics-grid,.verdict{break-inside:avoid}.metrics-grid{grid-template-columns:1fr 1fr}.metric.primary{-webkit-print-color-adjust:exact;print-color-adjust:exact}.has-result .result-header{padding-left:25px}.data-list>div{break-inside:avoid}.badge{color:#234!important}.check{break-inside:avoid}.print-only p,.diagram-caption{font-size:10px}.print-only .chart-wrap{break-inside:avoid}}.source-note{overflow-wrap:anywhere}.fluid-properties{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0;padding:18px;background:#f0f7f3;border:1px solid #deebe4;border-radius:12px}.fluid-properties>div>span{font-size:10px;color:var(--muted);display:block}.fluid-properties strong{display:block;font-size:17px;margin:5px 0}.fluid-properties small{font-size:10px;color:var(--muted)}.fluid-profile{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.fluid-profile>div>span:not(.eyebrow){font-size:10px;color:var(--muted);display:block}.fluid-profile strong{display:block;font-size:18px;margin:5px 0}.fluid-profile .eyebrow{font-size:9px}.fluid-profile small{font-size:11px}@media (max-width:600px){.fluid-profile{padding:13px;gap:8px}.fluid-profile strong{font-size:15px}}@media (max-width:600px){.help-tooltip,.fields-grid>.eng-field:nth-child(odd) .help-tooltip{position:fixed;left:14px;right:14px;bottom:18px;width:auto;max-width:none;z-index:90}.catalog-state{display:block;max-width:none;width:100%;font-size:10px;order:3}}.assembly-lab{border:1px solid #244052;border-radius:18px;overflow:hidden;margin:22px 0 28px;background:#0b2032;box-shadow:0 20px 40px #16364b1a;color:#dce9ef;animation:reveal .45s ease-out}.lab-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:17px 22px;background:linear-gradient(100deg,#122f45,#0e263a);border-bottom:1px solid #284458;font-size:14px}.lab-toolbar small{font-size:11px;color:#9bb7c6;margin-left:16px}.lab-indicator{display:inline-block;width:7px;height:7px;background:#6cf2cc;box-shadow:0 0 12px #6cf2cc80;border-radius:50%;margin-right:10px}.lab-controls{display:flex;gap:5px}.lab-controls button,.lab-inspector nav button{background:transparent;color:#9ab9c9;border:1px solid #335468;border-radius:6px;font-size:11px;padding:8px 11px;cursor:pointer}.lab-controls button[aria-pressed=true],.lab-inspector nav button.active{background:#26485b;color:#c7fff1;border-color:#498174}.lab-grid{display:grid;grid-template-columns:minmax(0,1fr) 295px}.lab-view{min-width:0;position:relative}.engineering-scene{display:block;width:100%;font-family:PT Sans,sans-serif}.scene-part[role=button]{cursor:pointer;transition:filter .2s}.scene-part[role=button]:hover,.scene-part[role=button]:focus{filter:brightness(1.2);outline:none}.lab-legend{display:flex;gap:17px;flex-wrap:wrap;font-size:10px;color:#9ab9ca;padding:0 22px 18px}.lab-legend i{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:6px}.lab-legend .cold{background:#58b9ef}.lab-legend .normal{background:#50d9b0}.lab-legend .hot{background:#ff9364}.lab-inspector{padding:20px;background:#10283a;border-left:1px solid #294456}.lab-inspector nav{display:flex;gap:5px;margin-bottom:18px}.lab-inspector nav button{padding:7px 10px}.lab-inspector dl{margin:0}.lab-inspector dl>div{display:flex;justify-content:space-between;align-items:start;gap:16px;border-bottom:1px solid #284556;padding:10px 0}.lab-inspector dt{font-size:11px;color:#95b1c1;max-width:145px}.lab-inspector dd{font-size:12px;margin:0;color:#e7f3f8;text-align:right;font-variant-numeric:tabular-nums}.lab-inspector p{font-size:10px;line-height:1.6;color:#9cb6c4;margin-top:18px}.lab-playback{display:grid;grid-template-columns:auto minmax(200px,1fr) auto 300px;gap:24px;padding:17px 22px;align-items:center;border-top:1px solid #2a4457;background:#0e2638}.lab-playback button{background:#baf4df;color:#113d3d;border:0;border-radius:7px;padding:12px 15px;cursor:pointer;font-size:11px}.lab-playback button:disabled{background:#213f51;color:#8cabbc;cursor:default}.lab-playback label{font-size:10px;color:#8fabbc}.lab-playback label strong{color:#e2f6f5;float:right;font-weight:400}.lab-playback input[type=range]{width:100%;accent-color:#62dab7;min-height:10px;background:none;padding:0;margin-top:9px}.lab-playback div>strong{display:block;color:#baf4df;font-size:22px;font-weight:400}.lab-playback small{font-size:9px;color:#8fabbc;display:block}.lab-playback p{color:#8daabd;font-size:9px;line-height:1.55;margin:0}.calculation-chain{display:grid;gap:9px;margin:12px 0 22px}.calculation-chain>div{background:#edf5f1;border:1px solid #dbe9e4;border-radius:9px;padding:12px 15px}.calculation-chain span{display:block;font-size:10px;color:#5a797c;letter-spacing:.05em}.calculation-chain strong{font-size:16px;display:block;font-weight:400;margin-top:5px}.calculation-chain small{font-size:10px;color:#5f787d}.audit-note{border:1px solid #e8d6b2;border-radius:10px;background:#fff7e8;padding:15px;font-size:12px;line-height:1.6}.property-preview{background:#f0f7f3;border:1px solid #d3e5dd;border-radius:12px;padding:18px;margin-top:16px}.property-preview table{width:100%;font-size:11px;border-collapse:collapse}.property-preview td,.property-preview th{text-align:right;padding:7px;border-bottom:1px solid #dce8e2}.property-preview th:first-child,.property-preview td:first-child{text-align:left}.property-preview .source-note{font-size:11px;line-height:1.5}.topbar{min-height:80px}.lab-controls button:focus-visible,.lab-inspector nav button:focus-visible,.lab-playback button:focus-visible{outline:2px solid #a1f6df;outline-offset:3px}@media (max-width:1100px){.lab-grid{grid-template-columns:minmax(0,1fr) 250px}.lab-toolbar small{display:none}.lab-playback{grid-template-columns:auto 1fr auto}.lab-playback p{grid-column:1/-1}.lab-inspector{padding:16px}.lab-inspector nav button{font-size:10px;padding:6px 8px}}@media (max-width:800px){.lab-grid{grid-template-columns:1fr}.lab-inspector{border-left:0;border-top:1px solid #294456;display:grid;grid-template-columns:140px 1fr;gap:12px}.lab-inspector nav{display:flex;flex-direction:column}.lab-inspector dl{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.lab-inspector p{grid-column:1/-1;margin:0}.lab-toolbar{flex-wrap:wrap}.lab-legend{padding-top:4px}.lab-playback{gap:14px}.assembly-lab{margin-top:12px}}@media (max-width:500px){.lab-toolbar{padding:14px}.lab-controls{width:100%}.lab-controls button{flex:1;font-size:10px;padding:8px 5px}.engineering-scene{min-width:600px}.lab-view{overflow-x:auto}.lab-legend{padding:10px 14px;font-size:9px;gap:12px}.lab-inspector{display:block;padding:14px}.lab-inspector nav{flex-direction:row}.lab-inspector dl{gap:0 12px}.lab-inspector dl>div{display:block}.lab-inspector dd{text-align:left;margin-top:5px}.lab-inspector p{margin-top:14px}.lab-playback{grid-template-columns:1fr auto;padding:14px}.lab-playback button{grid-column:1/-1}.lab-playback label{min-width:0}.property-preview{padding:12px}.property-preview td,.property-preview th{padding:5px;font-size:10px}}@media print{.assembly-lab{box-shadow:none;background:#fff;break-inside:avoid}.lab-toolbar,.lab-inspector,.lab-playback,.lab-legend{display:none!important}.lab-grid{display:block}.engineering-scene{min-width:0;max-height:270px}.lab-view{overflow:visible}.assembly-lab{-webkit-print-color-adjust:exact;print-color-adjust:exact}}.engineering-scene{height:360px}.lab-legend{padding-top:0}@media (max-width:800px){.engineering-scene{height:auto;max-height:330px}}@media (max-width:500px){.engineering-scene{height:260px;max-height:none}}@media print{.engineering-scene{height:260px}}@media (max-width:500px){.engineering-scene{min-width:0;height:180px;max-height:none}.lab-view{overflow:visible}.lab-inspector nav{margin-bottom:10px}}.visualization-option{display:flex;justify-content:flex-end;margin:12px 0;color:var(--muted);font-size:13px}.visualization-option label{display:flex;gap:10px;align-items:center;cursor:pointer}.visualization-option input{accent-color:var(--accent)}.checkbox-field{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px;border:1px solid var(--line);border-radius:10px}.checkbox-field input{width:22px;height:22px;accent-color:var(--accent)}.real-time{grid-template-columns:130px 160px 1fr}.real-time>div{display:flex;flex-direction:column;gap:5px}.real-time>div>span{font-size:11px;color:#9bb6c7}.real-time strong{color:#d8f8f1;font-size:20px}.real-time p{grid-column:1/-1}.eng-field textarea{min-height:88px;width:100%;resize:vertical;padding:10px;border:1px solid var(--line);border-radius:8px;font:inherit}.admin-workspace .eng-field{margin-bottom:10px}.experiment-comparison{border:1px solid #ccdce4;border-radius:12px;background:#f3f8fa;padding:18px;margin:20px 0}.experiment-comparison dl{display:grid;grid-template-columns:1fr 1fr;gap:12px}.experiment-comparison dt{color:var(--muted);font-size:12px}.experiment-comparison dd{margin:3px 0;font-size:18px}.record-editor>.fields-grid{align-items:start}.lab-toolbar small{display:none}@media (max-width:500px){.real-time{grid-template-columns:1fr 1fr}.real-time>div:last-of-type{grid-column:1/-1}.visualization-option{justify-content:flex-start}.lab-controls button{font-size:9px}.engineering-scene{height:auto;min-width:0}}@media print{.visualization-option{display:none!important}}.visualization-option input{width:18px!important;height:18px!important;min-height:0!important;padding:0!important;margin:0!important;flex:0 0 18px}.visualization-option label{width:auto;white-space:normal;line-height:1.4}.checkbox-field input{min-height:0!important;margin:0!important;padding:0!important;flex:0 0 22px;accent-color:var(--teal)}.checkbox-field{align-items:center}.real-time>div:last-of-type{display:flex}.field-heading{min-height:34px;margin-bottom:6px;align-items:center}.help-button:hover+.help-tooltip,.help-button:focus+.help-tooltip{transition-delay:.12s}.eng-field input:not([type=checkbox]),.eng-field select{min-height:42px}.fields-grid>.eng-field:not(.checkbox-field){display:flex;flex-direction:column;align-self:stretch}.fields-grid>.eng-field:not(.checkbox-field)>.field-heading{flex:1}.checkbox-field{grid-column:1/-1;justify-self:start;align-self:center;justify-content:flex-start;gap:8px;width:max-content;max-width:100%;min-height:28px;padding:0;border:0;border-radius:0}.checkbox-field .field-heading{min-height:0;margin:0}.checkbox-field .field-heading label{cursor:pointer;font-size:12px}.checkbox-field input{width:17px!important;height:17px!important;flex-basis:17px!important}.curve-row .text-button{align-self:end;padding:10px 0;line-height:22px}.assembly-lab{border-color:var(--line);background:#f8fbfc;color:var(--ink);box-shadow:0 8px 28px #21485408}.lab-toolbar{background:#f2f7f8;border-color:var(--line);color:var(--ink);padding:16px 22px}.lab-topology{font-size:12px;color:var(--muted)}.lab-indicator{background:var(--teal);box-shadow:none}.lab-inspector{background:#fff;border-color:var(--line)}.lab-inspector nav button{color:var(--muted);border-color:var(--line);background:#f8fbfc}.lab-inspector nav button.active{color:var(--teal-dark);background:#e3f1ef;border-color:#b7d8d2}.lab-inspector dl>div{border-color:var(--line)}.lab-inspector dt,.lab-inspector p,.lab-legend{color:var(--muted)}.lab-inspector dd{color:var(--ink)}.lab-legend .cold{background:#247da4}.lab-legend .normal{background:#087f75}.lab-legend .hot{background:#b76832}.lab-playback{background:#f2f7f8;border-color:var(--line)}.lab-playback p,.lab-playback small,.real-time>div>span{color:var(--muted)}.real-time strong,.lab-playback div>strong{color:var(--teal-dark)}.scene-part[role=button]:hover,.scene-part[role=button]:focus{filter:drop-shadow(0 0 3px #58a99b50)}@media (max-width:800px){.lab-topology{font-size:11px}.lab-inspector{border-color:var(--line)}.lab-toolbar{gap:7px}.field-heading{min-height:34px}}@media (max-width:500px){.lab-topology{width:100%}.lab-legend{gap:9px}.real-time{grid-template-columns:1fr 1fr}.checkbox-field{width:auto}.help-tooltip{font-size:12px}}.calculator-layout>.input-workspace,.calculator-layout>.results-workspace{min-width:0}.source-note,.results-workspace>.inline-info{overflow-wrap:anywhere}@media (max-width:500px){.metrics-grid.has-interval{grid-template-columns:minmax(0,1fr)}}.fluid-flow{animation:liquid-dashes .65s linear infinite}.pressure-load{filter:drop-shadow(0 0 4px currentColor);animation:pressure-glow 1.4s ease-in-out infinite}.pressure-arrow{animation:pressure-push 1.4s ease-in-out infinite}.lab-legend{flex-wrap:wrap}.lab-legend .forward-flow{background:#c97532}.lab-legend .reverse-flow{background:#267eae}@keyframes liquid-dashes{0%{stroke-dashoffset:0}to{stroke-dashoffset:-12}}@keyframes pressure-glow{0%,to{opacity:.65}50%{opacity:1}}@keyframes pressure-push{0%,to{transform:translateY(3px)}50%{transform:translateY(0)}}.assembly-summary{padding:20px 22px 15px;border-top:1px solid var(--line);background:linear-gradient(110deg,#f2f8f7,#f7fafb)}.assembly-metrics{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}.assembly-metric{min-width:0;padding-right:12px;border-right:1px solid var(--line)}.assembly-metric:last-child{border:0;padding:0}.assembly-metric>span{display:block;color:var(--muted);font-size:11px;line-height:1.4;min-height:30px;margin-bottom:6px}.assembly-metric>strong{font-size:23px;font-weight:500;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;color:var(--teal-dark)}.flow-cycle{display:flex;justify-content:space-between;align-items:center;gap:22px;margin-top:17px;padding:13px 16px;border:1px solid #ebdbc7;border-radius:10px;background:#fff8ed}.flow-cycle.returning{border-color:#cbdfea;background:#eff7fb}.flow-state{display:flex;align-items:center;gap:13px;min-width:0}.flow-state>i{width:10px;height:10px;flex:0 0 10px;border-radius:50%;background:#c97532;box-shadow:0 0 0 5px #c9753215}.returning .flow-state>i{background:#267eae;box-shadow:0 0 0 5px #267eae15}.flow-state span,.flow-countdown>span{display:block;color:var(--muted);font-size:11px;margin-bottom:3px}.flow-state strong{font-size:15px;color:var(--ink);font-weight:500;overflow-wrap:anywhere}.flow-countdown{text-align:right;flex-shrink:0}.flow-countdown strong{font-size:24px;color:var(--ink);font-weight:500;font-variant-numeric:tabular-nums}.animation-note{margin:11px 0 0;font-size:11px;color:var(--muted);line-height:1.5}@media (max-width:800px){.assembly-metrics{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:16px}.assembly-metric:nth-child(3){border:0}.assembly-metric>strong{font-size:21px}}@media (max-width:500px){.assembly-summary{padding:16px 14px}.assembly-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}.assembly-metric:nth-child(3){border-right:1px solid var(--line)}.assembly-metric:nth-child(2n){border:0}.assembly-metric:last-child{grid-column:1/-1}.assembly-metric>span{min-height:0}.flow-cycle{gap:12px;padding:12px}.flow-state strong{font-size:13px}.flow-countdown strong{font-size:21px}.flow-countdown>span{max-width:100px}}@media (prefers-reduced-motion:reduce){.fluid-flow,.pressure-load,.pressure-arrow{animation:none!important}}@media print{.fluid-flow,.pressure-load,.flow-cycle,.animation-note{display:none!important}.assembly-summary{background:#fff;padding:12px}.assembly-metrics{grid-template-columns:repeat(5,minmax(0,1fr))}.assembly-metric>strong{font-size:15px}.assembly-metric:last-child{grid-column:auto}}
