:root{--blue:#0b4ec2;--hover:#083a93;--ink:#14181c;--body:#3e444c;--muted:#6b7178;--paper:#fff;--warm:#f4f4f1;--line:#e8e8e4;--border:#d9d9d4;--tint:#f3f6fb;--good:#16703c;--bad:#b3261e;--warning:#8c5900;font-family:'Golos Text',system-ui,sans-serif;color:var(--ink);background:var(--warm);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit;border-radius:0}button{cursor:pointer;min-height:36px;padding:8px 16px;border:1px solid var(--border);background:#fff;color:var(--body);font-size:13px;font-weight:550}button:hover{border-color:var(--blue);color:var(--blue)}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:3px}input:focus,select:focus{outline:2px solid var(--blue);outline-offset:-1px}button.primary{color:#fff;background:var(--blue);border-color:var(--blue);padding:12px 20px;font-size:14px}.primary:hover{background:var(--hover)}.primary span{margin-left:18px}.icon-button{padding:6px;min-width:36px;font-size:20px}.text-button{border-color:transparent;background:transparent;color:var(--blue);padding-left:0;padding-right:0}.eyebrow,.small-label{font-size:10px;letter-spacing:.13em;color:var(--muted);font-weight:550}.topbar{height:84px;display:flex;align-items:center;gap:34px;padding:0 28px;background:#fff;border-bottom:1px solid var(--border)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);min-width:188px}.brand>strong{font-size:29px;letter-spacing:-1.4px}.brand>span{border-left:1px solid var(--border);padding-left:12px;font-size:12px;line-height:1.35;letter-spacing:.08em}.brand small{font-size:8px;color:var(--muted)}.project-title{display:grid;gap:3px}.project-title input{border:0;background:transparent;padding:0;font-size:14px;font-weight:600;width:300px;max-width:30vw;color:var(--ink)}.top-actions{display:flex;gap:18px;align-items:center;margin-left:auto}.workspace{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:calc(100vh - 84px)}.sidebar{background:#fff;border-right:1px solid var(--border);display:flex;flex-direction:column}.sidebar-heading{padding:30px 20px 18px;display:flex;align-items:center;justify-content:space-between}.sidebar-heading button{border:0;min-width:24px}.scenario-button{width:100%;text-align:left;display:flex;gap:12px;align-items:center;border:0;border-top:1px solid var(--line);padding:17px 20px;min-height:72px;background:white}.scenario-button:last-child{border-bottom:1px solid var(--line)}.scenario-button.active{background:var(--tint);box-shadow:inset 3px 0 var(--blue)}.scenario-button .ordinal{color:var(--muted);font-family:ui-monospace,monospace;font-size:11px}.scenario-button strong{display:block;font-size:12px;line-height:1.5}.scenario-button small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.sidebar-bottom{padding:24px 20px;margin-top:auto}.sidebar-bottom strong{display:block;margin-top:12px;font-size:12px}.sidebar-bottom p{font-size:11px;color:var(--muted);line-height:1.7}.sidebar-bottom button{font-size:11px}main{padding:36px 40px 0;min-width:0;max-width:1600px;width:100%;margin:0 auto}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}h1{font-weight:550;font-size:30px;letter-spacing:-.8px;line-height:1.15;margin:10px 0}p{font-size:13px;color:var(--muted);line-height:1.65;margin:8px 0}h2{font-size:17px;font-weight:600;letter-spacing:-.25px;margin:8px 0}h3{font-size:14px}.run-controls{display:flex;gap:8px;align-items:center}.tabs{display:flex;border-bottom:1px solid var(--border);gap:28px;margin-bottom:28px}.tabs button{background:none;border:0;padding:16px 0;color:var(--muted);font-size:13px}.tabs button[aria-current]{color:var(--blue);box-shadow:inset 0 -2px var(--blue)}.model-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:20px;margin-bottom:20px}.panel{border:1px solid var(--border);background:white;padding:24px}.panel-heading{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.tag{font-family:ui-monospace,monospace;font-size:11px;color:var(--blue);border:1px solid var(--border);padding:6px 10px}.field{display:flex;flex-direction:column;gap:9px;font-size:12px;color:var(--body)}form{display:grid;grid-template-columns:1fr 1fr;gap:22px 20px}.wide{grid-column:1/-1}input,select{width:100%;min-height:40px;border:1px solid var(--border);background:#fff;padding:10px 11px;color:var(--ink);font-size:13px}input[type=number]{font-family:'IBM Plex Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums}.unit-input{display:flex}.unit-input input{min-width:0;border-right:0}.unit-input span{display:flex;align-items:center;white-space:nowrap;font-size:11px;color:var(--muted);padding:0 11px;border:1px solid var(--border);border-left:0;background:var(--warm)}.form-note{font-size:11px;margin:0;line-height:1.7;color:var(--muted)}.flow-panel{display:flex;flex-direction:column;min-height:375px;background:linear-gradient(0deg,white,white)}.flow-illustration{display:flex;align-items:center;margin:35px 0 22px;gap:0;color:var(--blue)}.flow-rule{height:1px;flex:1;background:var(--border)}.flow-arrow{width:130px;margin:0 20px}.flow-arrow svg{display:block;width:100%}.stream-caption{text-align:center}.stream-caption strong{display:block;font-size:14px}.stream-caption span{display:block;font-size:11px;color:var(--muted);margin-top:8px}.mini-grid{margin-top:auto;padding-top:35px;display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:16px}.mini-grid>div{border-top:1px solid var(--line);padding-top:15px}.mini-grid span{font-size:8px;letter-spacing:.12em;color:var(--muted);display:block}.mini-grid strong{display:block;font-size:11px;font-weight:550;margin-top:8px}details.panel{padding:0}summary{cursor:pointer;padding:22px 24px;display:flex;justify-content:space-between;gap:20px;list-style:none;align-items:center;font-size:11px;color:var(--muted)}summary>span:first-child{display:grid;gap:8px}summary strong{font-size:13px;color:var(--body);font-weight:550}details form{padding:4px 24px 24px;grid-template-columns:repeat(3,1fr)}.section-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 22px}.section-toolbar h2{font-size:20px}.button-group{display:flex;gap:10px}.table-wrap{overflow:auto;border:1px solid var(--border);background:white}table{border-collapse:collapse;width:100%;font-size:12px}th,td{padding:15px 20px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}th{font-weight:550;color:var(--muted);background:#fafaf8;font-size:11px}th:first-child,td:first-child{text-align:left;position:sticky;left:0;background:white}td:first-child{font-family:inherit;color:var(--body)}td{font-family:'IBM Plex Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums}tr:last-child td{border-bottom:0}td small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.empty{border:1px dashed var(--border);padding:60px 30px;text-align:center}.empty h3{font-weight:550}#notice:empty{display:none}.notice{padding:13px 16px;margin-bottom:18px;font-size:12px;line-height:1.65;border-left:3px solid var(--blue);background:#edf3fd;white-space:pre-line}.notice.error{border-color:var(--bad);background:#fdf1ef;color:var(--bad)}.notice.warning{border-color:var(--warning);background:#fbf4e6;color:var(--warning)}.notice.success{border-color:var(--good);background:#edf6f0;color:var(--good)}.result-error{color:var(--bad);font-size:11px;font-family:inherit;white-space:normal}footer{border-top:1px solid var(--border);display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:40px;padding:20px 0}footer b{font-weight:400;margin-left:12px}dialog{max-width:580px;border:1px solid var(--border);padding:28px}dialog::backdrop{background:#14181c55}.dialog-heading{display:flex;align-items:center;justify-content:space-between}.dialog-heading h2{font-size:23px}.dialog-heading button{border:0}dialog p{font-size:14px;line-height:1.8;margin:20px 0}[hidden]{display:none!important}
@media(max-width:1200px){main{padding:28px 24px 0}.workspace{grid-template-columns:210px minmax(0,1fr)}.brand{min-width:154px}.topbar{gap:28px;padding:0 24px}.page-heading{align-items:flex-start;flex-direction:column}.run-controls{align-self:flex-end;margin-top:-6px}.model-grid{grid-template-columns:1fr}.flow-panel{min-height:260px}.flow-illustration{margin:12px 0}.mini-grid{padding-top:25px}.section-toolbar{align-items:flex-start;flex-direction:column}}
@media(max-width:760px){.topbar{height:auto;min-height:76px;flex-wrap:wrap;gap:16px;padding:16px}.brand{min-width:120px}.project-title{display:none}.top-actions{gap:10px}.top-actions button{font-size:11px;padding:6px 9px}.workspace{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--border)}.sidebar-heading{padding:10px 16px}.sidebar-bottom{display:none}#scenario-list{display:flex;overflow:auto}.scenario-button{min-width:170px;border-right:1px solid var(--line);padding:12px 16px}.scenario-button.active{box-shadow:inset 0 -3px var(--blue)}main{padding:24px 16px 0}.page-heading{gap:12px}h1{font-size:26px}.page-heading p{font-size:12px}.run-controls{align-self:stretch;justify-content:flex-end}.primary{flex:1}.tabs{gap:24px}.tabs button{font-size:12px}.panel{padding:20px}form{gap:18px 14px}details form{grid-template-columns:1fr 1fr;padding:0 20px 20px}summary{padding:20px}.unit-input span{padding:0 7px;font-size:10px}.field{font-size:11px}footer{gap:12px;line-height:1.6;flex-direction:column}th,td{padding:13px 15px}dialog{margin:auto 16px}.model-grid{gap:16px}}
@media print{.topbar,.sidebar,.tabs,.run-controls,.button-group,#notice,footer,#model-view,#compare-view,dialog{display:none!important}.workspace{display:block}main{padding:0}#results-view{display:block!important}.page-heading{margin-bottom:20px}.table-wrap{overflow:visible}th,td{padding:8px}.result-error{color:black}}
.thermal-fields{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid var(--line);padding-top:20px}.ideal-panel{margin-top:20px}#ideal-editor{padding:0 24px 24px}.checkline{display:flex;align-items:center;gap:12px;font-size:13px;margin-bottom:24px}.checkline input{width:16px;height:16px;min-height:0;accent-color:var(--blue)}.ideal-reference{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:20px}.extrapolation-label{max-width:360px;margin-bottom:20px}.coefficient-table{margin-top:18px}.coefficient-table input{min-width:100px;font-size:11px}.coefficient-table td{padding:8px}.range-bounds{display:flex;align-items:center;gap:8px}.range-bounds input{min-width:75px;width:75px}.thermal-symbol{border:2px solid var(--blue);padding:14px 20px}.thermal-symbol svg{height:45px}.flow-panel{min-height:375px}@media(max-width:1000px){.ideal-reference{grid-template-columns:1fr 1fr}.top-actions{gap:10px}.top-actions button{font-size:11px}.brand{min-width:120px}.project-title input{width:200px}}@media(max-width:760px){#ideal-editor{padding:0 18px 20px}.ideal-reference{gap:15px}.top-actions{flex-wrap:wrap;justify-content:flex-end}.thermal-fields{gap:16px}}
th small{display:block;font-size:10px;font-weight:400;margin-top:7px}#fprj-errors{white-space:pre-line;margin:16px 0;max-height:240px;overflow:auto}
.composition-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.composition-total{display:flex;align-items:center;justify-content:space-between;margin:18px 0 24px;font-size:12px;color:var(--muted)}.component-details{border-top:1px solid var(--border)}.component-details summary{padding:18px 0}.component-body{padding:0 0 24px}.component-parameters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.component-body h3{margin:24px 0 16px}.mixture-limit{margin-top:20px}.phase-results{margin-top:32px}.phase-panel{margin-top:20px}.phase-panel>.form-note{margin-top:18px}#mixture-panel{margin-top:20px}.phase-panel h3{margin:0 0 18px}.phase-results>p{margin-top:20px}@media(max-width:1000px){.component-parameters{grid-template-columns:repeat(2,minmax(0,1fr))}.project-title{display:none}}@media(max-width:760px){.composition-inputs{grid-template-columns:1fr}.composition-total{gap:12px}.component-parameters{gap:14px}.top-actions{margin-left:0}.component-details summary{gap:10px}}
.phase-bar{display:flex;margin:18px 0 24px;min-height:64px}.phase-bar>div{min-width:82px;display:flex;flex-direction:column;justify-content:center;padding:12px 16px;gap:7px;background:#dbe7fb;color:var(--blue);font-size:12px}.phase-bar>div.phase-1{background:var(--blue);color:white}.phase-bar strong{font-weight:550}.phase-bar span{font-family:ui-monospace,monospace;font-size:13px}
.phase-panel h3.outlet-heading{margin:28px 0 18px}
.scenario-link{font-size:13px;text-decoration:none;white-space:nowrap}.examples-menu{position:relative}.examples-menu>summary{padding:8px 12px;border:1px solid var(--border);font-size:13px;color:var(--blue);white-space:nowrap;display:block}.examples-menu-items{position:absolute;right:0;top:calc(100% + 8px);z-index:20;min-width:190px;display:flex;flex-direction:column;gap:4px;border:1px solid var(--border);background:var(--paper);padding:10px 16px;box-shadow:0 8px 24px #14181c12}.examples-menu-items button{text-align:left;white-space:nowrap}.examples-menu:not([open])>.examples-menu-items{display:none}@media(max-width:760px){.scenario-link,.examples-menu>summary{font-size:11px}}
th small.result-warning{color:var(--warning)}

.response-details{margin-top:24px}.response-body{padding:0 24px 24px}.response-body .table-wrap{margin:16px 0}.response-body table{font-size:12px}.response-body .result-warning{color:var(--warning)}@media(max-width:760px){.response-body{padding:0 14px 18px}}
.section-menu .examples-menu-items{min-width:260px}.section-menu a{display:block;text-decoration:none;font-size:13px;line-height:1.4;color:var(--body);padding:10px 4px}.section-menu a:hover{color:var(--blue);background:var(--tint)}
.selectable-unit>select{width:auto;min-width:62px;max-width:110px;padding:8px 22px 8px 8px;border-left:0;background-color:var(--warm);color:var(--muted);font-size:11px}.selectable-unit>input{flex:1;width:0}.selectable-unit>select:focus{outline-offset:-2px}
.component-library{display:grid;grid-template-columns:minmax(180px,1fr) auto;gap:14px 18px;align-items:end;padding:20px;border:1px solid var(--border);background:var(--tint);margin-bottom:24px}.component-library>.form-note{grid-column:1/-1}.component-library>.form-note:last-child{font-size:10px}.component-library>button{white-space:nowrap}.component-picker-inset{padding:0 24px}.hx-side .component-library{padding:16px}.hx-side .component-library>button{font-size:11px;padding:10px}@media(max-width:650px){.component-library{grid-template-columns:1fr}.component-library>button{justify-self:start}.component-picker-inset{padding:0 16px}}
/* Let narrow-screen table labels scroll with the data so they cannot cover numeric values. */
@media screen and (max-width:760px){.table-wrap th:first-child,.table-wrap td:first-child{position:static}}
/* Account bar shown only when the page is served by the SLE Flow server. */
.account-bar{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:12px;color:var(--body)}.account-bar a{color:var(--blue);text-decoration:none}.account-bar button{min-height:32px;padding:6px 12px}@media(max-width:760px){.account-bar{margin-left:0;flex-wrap:wrap}}