@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{font-family:'DM Sans',sans-serif;color:#253343;background:#f3f6f8;font-size:16px;--navy:#152433;--teal:#087d70;--line:#e2e8ed}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #29b59b;outline-offset:3px}button{border:1px solid var(--line);background:#fff;color:inherit;border-radius:7px;padding:10px 14px}button:hover{border-color:#69b7ab;background:#f0faf7}header{height:76px;background:var(--navy);color:white;display:flex;align-items:center;padding:0 34px;gap:24px}.brand{display:flex;align-items:center;gap:11px;color:white;text-decoration:none;font-family:Manrope,sans-serif;font-size:27px;font-weight:800;letter-spacing:-1px}.mark{display:grid;place-items:center;width:33px;height:33px;background:#63e0bb;color:#142e35;border-radius:8px;font-size:29px}.divider{height:22px;width:1px;background:#41505d;margin:0 10px}.subbrand{font-size:12px;font-weight:500;letter-spacing:1.5px;color:#bdc9d4}.header-note{margin-left:auto;color:#acbdcb;font-size:14px}header button{background:#253747;border-color:#41515e;color:white;font-size:14px}main{max-width:1600px;margin:auto;padding:32px}.titlebar{display:flex;align-items:center;justify-content:space-between;margin-bottom:27px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.5px;color:#788694}h1{font-family:Manrope,sans-serif;letter-spacing:-1.1px;font-size:30px;margin:8px 0}p{line-height:1.55}.titlebar p{margin:0;color:#74818e;font-size:15px}.model-tag{font-size:13px;background:#e8eef2;padding:10px 14px;border-radius:6px;color:#617080}.model-tag span{color:var(--teal);font-size:10px;margin-right:5px}.model-tag b{margin:0 10px}.workspace{display:grid;grid-template-columns:230px minmax(350px,1fr) 278px;min-height:650px;border:1px solid #dbe3e9;border-radius:12px;background:white;overflow:hidden;box-shadow:0 5px 15px #15243304}.library,.inspector{padding:22px 18px}.library{border-right:1px solid var(--line);display:flex;flex-direction:column}.panel-heading{font-size:15px;font-weight:700;display:flex;justify-content:space-between;align-items:center}.panel-heading>span{color:#acb7c0;font-size:12px;font-weight:400}.muted{font-size:13px;color:#81909d;margin:8px 0 22px}.unit-button{width:100%;display:flex;align-items:center;text-align:left;padding:13px 9px;margin-bottom:10px;gap:10px}.unit-button b{font-size:14px;font-weight:600}.unit-button small{display:block;font-size:11px;color:#87949e;margin-top:5px}.unit-button i{margin-left:auto;color:#a0adb7;font-style:normal}.unit-icon{font-size:24px;color:#486878;width:27px;text-align:center}.stream-button{background:#eaf8f4;border-color:#c5e8df;color:#127d6d;text-align:left;font-weight:600;font-size:14px;margin:8px 0 27px}.stream-button span{float:right}.species-title{display:flex;justify-content:space-between;font-weight:600;font-size:14px;border-top:1px solid var(--line);padding-top:22px;margin-bottom:13px}.species-title span{background:#eef2f5;border-radius:4px;padding:1px 7px;font-size:12px}#species-list>div{display:flex;align-items:center;gap:8px;margin-bottom:9px;font-size:14px}#species-list .swatch{width:8px;height:8px;border-radius:50%}#species-list button{margin-left:auto;border:0;padding:1px 5px;color:#9ca7b1;font-size:16px}#species-form{display:flex;gap:6px;margin-top:6px}input,select{min-width:0;border:1px solid #dbe3e9;border-radius:6px;padding:9px 10px;background:white;width:100%;color:#34495b;font-size:14px}input:focus,select:focus{outline:2px solid #8bd5c5}#species-form button{padding:6px 12px}#species-input{font-size:13px}.library-foot{margin-top:auto;padding-top:28px;color:#83919d;font-size:12px;line-height:1.5}.library-foot b{font-weight:500;color:#667786}.library-foot p{margin-bottom:0}.canvas-toolbar{display:flex;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);font-size:14px;font-weight:600}.canvas-toolbar>span{font-size:12px;color:#85939f;font-weight:400}.status-dot{display:inline-block;background:#2bae8d;width:6px;height:6px;border-radius:50%;margin-right:9px}.diagram-wrap{background-color:#f9fbfc;background-image:radial-gradient(#d9e2e9 1px,transparent 1px);background-size:18px 18px;position:relative}#diagram{width:100%;height:355px;display:block;touch-action:none}.canvas-hint{position:absolute;bottom:12px;text-align:center;width:100%;color:#94a2ad;font-size:12px;pointer-events:none}.inspector{border-left:1px solid var(--line)}.editor-title{margin-top:25px;display:flex;align-items:center;gap:10px}.stream-badge{background:#e6f5f0;color:#0a8973;font-size:12px;font-weight:700;padding:7px;border-radius:5px}.editor-title h2{font-size:18px;margin:0}.field-label{font-size:13px;font-weight:500;display:block;margin:20px 0 7px}.endpoints{display:grid;grid-template-columns:1fr 1fr;gap:8px}.endpoints .field-label{margin-top:18px}.section-label{margin-top:25px;border-top:1px solid var(--line);padding-top:19px;font-size:14px;font-weight:600}.input-unit{position:relative}.input-unit input{padding-right:65px}.input-unit span{position:absolute;right:10px;top:11px;color:#93a0aa;font-size:12px}.fraction-row{display:grid;grid-template-columns:1fr 87px;gap:10px;align-items:center;margin-top:11px;font-size:14px}.helper{font-size:12px;color:#8c98a4;margin-top:9px;line-height:1.6}.remove{margin-top:20px;border:0;color:#af6370;padding:6px 0;font-size:12px}.stream-section{padding:19px 20px}.table-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.table-heading h2{margin:0;font-size:15px}.table-heading span{font-size:12px;color:#84929f}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px;white-space:nowrap}th{font-weight:500;color:#8a97a3;font-size:12px;background:#f8fafb}td,th{padding:10px;border-bottom:1px solid #edf1f4}tbody tr{cursor:pointer}tbody tr.active{background:#eff9f6}td.calc{color:#0a8c76}td.unknown{color:#aab3bc}.table-legend{display:flex;align-items:center;gap:6px;margin-top:15px;color:#98a3ad;font-size:11px}.known-key,.calculated-key{width:5px;height:5px;background:#506374;border-radius:50%;margin-left:9px}.calculated-key{background:#17a68c}.unknown-key{margin-left:9px}.analysis{display:grid;grid-template-columns:1fr 1.35fr 1fr;background:white;border:1px solid #dce5eb;border-radius:10px;margin-top:20px}.analysis>div{padding:23px}.dof-card{background:#eaf6f2;border-radius:10px 0 0 10px}.dof-card .eyebrow{color:#428575;font-size:11px}.dof-line{display:flex;gap:18px;align-items:center}.dof-line>strong{font-family:Manrope,sans-serif;font-size:56px;color:#07806b;line-height:1.5}.dof-line b{font-size:15px}.dof-line p{font-size:12px;margin:5px 0;color:#738d84}.math-card{border-right:1px solid var(--line)}.equation{display:flex;justify-content:space-around;align-items:center;text-align:center}.equation span{font-size:11px;color:#8895a0}.equation b{display:block;font-size:25px;color:#34485a;margin-bottom:6px;font-weight:500}.equation i{color:#a8b3bc;font-style:normal}#balance-note{text-align:center;font-size:12px;color:#8c99a4;margin-top:14px}.next-card .eyebrow{font-size:11px}.next-card p{font-size:13px;margin:10px 0}.next-card button{font-size:12px;color:#248d7d;padding:0;border:0}footer{display:flex;justify-content:space-between;font-size:11px;color:#9ba6af;margin-top:22px;letter-spacing:.4px}footer b{margin:0 8px;color:#c5cdd3}#equations{background:#fff;padding:24px;border:1px solid var(--line);border-radius:10px;margin-top:15px;font-size:14px}#equations p{font-family:monospace}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#1c3241;color:white;padding:12px 20px;border-radius:8px;display:none;z-index:20}svg text{font-family:'DM Sans',sans-serif}svg .stream{cursor:pointer}svg .unit{cursor:grab}svg .unit:active{cursor:grabbing}.error{color:#b84949!important}.empty-editor{color:#7d8d99;font-size:14px;margin-top:30px}
.scope-dof{background:#eef8f4;border:1px solid #cce8de;border-radius:8px;padding:15px;margin:-5px -3px 25px}.scope-dof .panel-heading{color:#1d7967}.scope-dof .field-label{margin-top:15px}#scope-summary{display:flex;gap:14px;align-items:center;margin-top:10px}#scope-summary>strong{font-size:40px;color:#12836d}#scope-summary b{font-size:13px}#scope-summary small{display:block;font-size:11px;line-height:1.5;color:#748d83;margin-top:4px}.unknown-heading{border-top:1px solid #cde5dc;padding-top:12px;margin-top:8px;font-size:12px;font-weight:700;display:flex;justify-content:space-between}.unknown-item{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid #d7ebe3}.unknown-item>span{font-size:11px;color:#138574}.unknown-item b{font-size:12px;font-weight:500}.unknown-item small{display:block;font-size:11px;color:#82988e;margin-top:2px}.unknown-item i{margin-left:auto;color:#329b81;font-style:normal}#unknown-list{max-height:245px;overflow:auto}.scope-dof .helper{font-size:11px}.workspace{align-items:stretch}.inspector{max-height:1020px;overflow:auto}
@media(min-width:1450px){#diagram{height:395px}.workspace{min-height:695px}}@media(max-width:1150px){main{padding:22px}.workspace{grid-template-columns:195px minmax(300px,1fr) 245px}.library,.inspector{padding:18px 13px}.unit-button small{display:none}.subbrand{display:none}.analysis{grid-template-columns:1fr 1fr}.next-card{grid-column:1/-1;border-top:1px solid var(--line)}.next-card p{display:inline-block;margin-right:20px}}@media(max-width:850px){header{padding:0 20px}.header-note{display:none}header button{margin-left:auto}.titlebar{align-items:start;gap:15px}.model-tag{display:none}.workspace{grid-template-columns:180px 1fr}.inspector{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);max-height:none}#editor{max-width:650px}.library-foot{display:none}.analysis{grid-template-columns:1fr 1fr}footer{display:block}footer span{display:block;margin-bottom:8px}}@media(max-width:560px){main{padding:20px 12px}h1{font-size:26px}.titlebar p{font-size:14px}.workspace{display:flex;flex-direction:column}.library{border-right:0;border-bottom:1px solid var(--line)}.unit-button{display:inline-flex;width:31%;margin-right:2%;padding:10px 5px;gap:5px}.unit-button i,.unit-button small{display:none}.unit-button b{font-size:12px}.unit-button:last-of-type{margin-right:0}.library{display:block}.muted{margin-bottom:12px}.stream-button{width:100%;margin:0 0 10px}.species-title{padding-top:12px}#species-list{display:flex;flex-wrap:wrap;gap:15px}#species-list>div{gap:6px}#species-form{max-width:300px}#diagram{height:270px}.analysis{display:block}.dof-card{border-radius:10px 10px 0 0}.math-card{border-right:0}.brand{font-size:25px}.divider{display:none}.titlebar{margin-bottom:20px}}

.basis-switch{display:flex;margin:12px 0 15px;background:#edf3f4;padding:3px;border-radius:6px}.basis-switch button{flex:1;font-size:13px;border:0;background:transparent;padding:8px}.basis-switch button[aria-pressed=true]{background:white;color:#07816e;box-shadow:0 1px 4px #173d3320}.mw-heading{font-size:12px!important;color:#81938e;margin-top:20px}.mw-row{display:flex;align-items:center;gap:8px;justify-content:space-between;font-size:12px;margin:7px 0}.mw-row input{width:95px;font-size:12px;padding:7px}.clear-composition{font-size:12px;border:0;color:#608e83;background:transparent;padding:8px 0}.fraction-row[hidden]{display:none}.stream-species-tags{display:flex;flex-wrap:wrap;gap:5px;margin:12px 0}.stream-species-tags>span{display:flex;align-items:center;font-size:12px;background:#eef5f6;border-radius:4px;padding:3px 7px;gap:6px}.stream-species-tags button{border:0;padding:0;background:none;color:#77948e}.add-species-row{display:flex;gap:6px}.add-species-row input{font-size:12px}.add-species-row button{padding:6px 10px}.inspector{max-height:1150px}

.wide-specifications{padding:22px 24px;border-top:1px solid var(--line)}.wide-specifications #editor{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;max-width:none}.wide-specifications .editor-title,.wide-specifications .endpoints,.wide-specifications .section-label,.wide-specifications .stream-species-picker,.wide-specifications .basis-switch,.wide-specifications .helper,.wide-specifications .remove,.wide-specifications .empty-editor{grid-column:1/-1}.wide-specifications .editor-title{margin-top:18px;margin-bottom:14px}.wide-specifications .field-label{align-self:center;margin:12px 0}.wide-specifications .input-unit{align-self:center}.wide-specifications .endpoints{margin-bottom:3px}.wide-specifications .fraction-row{grid-template-columns:1fr 105px;margin:12px 0}.wide-specifications .remove{justify-self:start}.wide-specifications .add-species-row input{font-size:14px}.inspector>.stream-section{padding:0;margin-top:24px}.inspector{max-height:none}.inspector .table-heading{align-items:start;gap:8px}.inspector table td,.inspector table th{padding:10px 8px}.inspector .table-legend{flex-wrap:wrap;font-size:12px}.wide-specifications .basis-switch{max-width:320px}.wide-specifications .section-label{margin-top:15px;padding-top:15px}.workspace{min-height:0}@media(max-width:560px){.wide-specifications{padding:18px}.wide-specifications #editor{display:block}.wide-specifications .fraction-row{display:grid}.wide-specifications .fraction-row[hidden]{display:none}}

.format-switch{grid-column:1/-1;display:flex;gap:6px;margin-top:12px}.format-switch button{font-size:13px;padding:8px 12px}.format-switch button[aria-pressed=true]{border-color:#1b9a80;color:#07816e;background:#eaf7f2}