.sectionhead-mt20{margin-top:20px}.vsm-svg{width:100%;height:auto;display:block}.diagram-empty{text-align:center;color:var(--muted);padding:40px;font-size:.88rem}:root{--navy:#1b2392;--green:#028223;--maroon:#820000;--ink:#14161f;--muted:#5b6070;--line:#dde0ea;--bg:#fff;--panel:#f2f3f7;--panel-2:#e8eaf2;--faint:#8990a6}@media (prefers-color-scheme:dark){:root{--ink:#eef0f8;--muted:#a2a8bd;--line:#2c3145;--bg:#0f1119;--panel:#171a26;--panel-2:#1f2333;--navy:#7a83e8;--green:#3fbf5e;--maroon:#e06060;--faint:#787e96}}:root[data-theme=dark]{--ink:#eef0f8;--muted:#a2a8bd;--line:#2c3145;--bg:#0f1119;--panel:#171a26;--panel-2:#1f2333;--navy:#7a83e8;--green:#3fbf5e;--maroon:#e06060;--faint:#787e96}:root[data-theme=light]{--ink:#14161f;--muted:#5b6070;--line:#dde0ea;--bg:#fff;--panel:#f2f3f7;--panel-2:#e8eaf2;--navy:#1b2392;--green:#028223;--maroon:#820000;--faint:#8990a6}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Montserrat,Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.55}h1,h2,h3,.disp{font-family:Playfair Display,Georgia,Times New Roman,serif}.wrap{max-width:1240px;margin:0 auto;padding:32px 24px 72px;overflow-x:hidden}header.top{border-bottom:2px solid var(--navy);margin-bottom:28px;padding-bottom:16px}.brand{letter-spacing:.14em;text-transform:uppercase;color:var(--green);font-size:.72rem;font-weight:800}h1{color:var(--navy);text-wrap:balance;margin:.2rem 0 0;font-size:clamp(1.5rem,3.4vw,2.1rem);font-weight:800;line-height:1.18}.sub{color:var(--muted);max-width:74ch;margin:.5rem 0 0;font-size:.95rem}.grid{grid-template-columns:1fr;gap:28px;min-width:0;display:grid}.grid .right{order:1;min-width:0}.grid .panel{order:2;min-width:0}@media (width>=1080px){.panel{max-width:none}}.panel{background:var(--panel);border:1px solid var(--line);min-width:0;max-width:100%;padding:22px;overflow-x:hidden}.panel h2{text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:0 0 14px;font-size:.78rem;font-weight:700}.axishelp{color:var(--muted);margin-bottom:14px;font-size:.76rem;line-height:1.5}.flow-table{min-width:0;margin-bottom:0}.flow-table thead th{text-align:center}.flow-table thead th.col-field{text-align:left;padding-left:7px}.flow-table td{border-bottom:1px solid var(--line);vertical-align:middle;padding:3px 5px}.flow-table tbody tr:nth-child(2n):not(.fgroup) td{background:var(--panel)}.flow-table .flabel{color:var(--muted);white-space:nowrap;padding-left:9px;font-size:.72rem}.flow-table input,.flow-table select{width:100%;font:inherit;color:var(--ink);background:0 0;border:1px solid #0000;padding:5px 6px;font-size:.8rem;font-weight:700}.flow-table input:hover,.flow-table select:hover,.flow-table input:focus,.flow-table select:focus{border-color:var(--line);background:var(--bg)}.flow-table input:focus,.flow-table select:focus{border-color:var(--navy);background:var(--panel-2);outline:none}.flow-table tr.fgroup td{background:var(--panel-2);color:var(--green);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--line);padding:5px 9px;font-size:.62rem;font-weight:800}.flow-table th.node-col{min-width:130px;padding:5px 22px 5px 5px;position:relative}.flow-table .node-role{text-transform:uppercase;letter-spacing:.04em;margin-bottom:1px;font-size:.58rem;font-weight:800;display:block}.flow-table th.node-col[data-role=upstream] .node-role{color:var(--green)}.flow-table th.node-col[data-role=downstream] .node-role{color:var(--navy)}.flow-table .node-rm{color:var(--faint);cursor:pointer;background:0 0;border:none;padding:2px 4px;font-size:.75rem;line-height:1;position:absolute;top:4px;right:3px}.flow-table .node-rm:hover{color:var(--maroon)}.flow-table .field-rm{color:var(--faint);cursor:pointer;background:0 0;border:none;margin-left:3px;padding:1px 3px;font-size:.7rem}.flow-table .field-rm:hover{color:var(--maroon)}.flow-table .fieldlabel{color:var(--ink);flex:1;width:auto;font-size:.72rem;font-weight:700}.flow-table .flabel.fcustom{white-space:nowrap;align-items:center;display:flex}.flowaddrow{margin-top:8px}.addbtn.field{border-color:var(--muted);color:var(--muted);flex:none}.addbtn.field:hover{background:var(--muted);color:#fff}.addbtn.upnode{border-color:var(--green);color:var(--green)}.addbtn.upnode:hover{background:var(--green);color:#fff}.addbtn.downnode{border-color:var(--navy);color:var(--navy)}.addbtn.downnode:hover{background:var(--navy);color:#fff}.globals{border-top:1px dashed var(--line);grid-template-columns:1fr;gap:10px;padding-top:12px;display:grid}.gfield label{color:var(--muted);margin-bottom:4px;font-size:.72rem;display:block}.gfield input{width:100%;font:inherit;border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:8px 9px;font-size:.86rem;font-weight:700}.tablescrollhint{color:var(--faint);text-align:right;margin-bottom:4px;font-size:.72rem;display:none}@media (width<=900px){.tablescrollhint{display:block}}.tablewrap{-webkit-overflow-scrolling:touch;border:1px solid var(--line);min-width:0;max-width:100%;margin-bottom:6px;overflow-x:auto}.stream-table{border-collapse:collapse;background:var(--bg);width:100%;min-width:720px;font-size:.78rem}.stream-table thead th{background:var(--panel-2);color:var(--muted);text-transform:uppercase;letter-spacing:.03em;text-align:center;border-bottom:2px solid var(--line);white-space:nowrap;padding:7px 5px;font-size:.6rem;font-weight:800}.stream-table thead th.col-name{text-align:left;padding-left:7px}.stream-table tbody.item-group:nth-of-type(2n) tr.item{background:var(--panel)}.stream-table tr.item{border-left:3px solid var(--navy)}.stream-table tbody.inv tr.item{border-left-color:#c99a2e}.stream-table tr.item td{border-bottom:1px solid var(--line);vertical-align:middle;padding:2px 3px}.col-handle{text-align:center;width:16px;color:var(--faint);user-select:none;font-size:.75rem}.ihandle{cursor:grab;display:inline-block}.ihandle:active{cursor:grabbing}.item-group.dragging tr.item{opacity:.4}.item-group.dragging .future-row{display:none}.col-type{white-space:nowrap;text-align:center;width:1%;padding:0 4px!important}.itype{text-transform:uppercase;letter-spacing:.02em;color:var(--navy);background:var(--panel-2);white-space:nowrap;padding:2px 5px;font-size:.56rem;font-weight:800}.item-group.inv .itype{color:#c99a2e}.col-name{min-width:130px}.iname{width:100%;font:inherit;color:var(--ink);background:0 0;border:1px solid #0000;padding:4px 5px;font-size:.8rem;font-weight:700}.iname:hover,.iname:focus{border-color:var(--line);background:var(--bg)}.fv{width:56px;font:inherit;border:1px solid var(--line);background:var(--bg);color:var(--ink);text-align:center;padding:4px 3px;font-size:.78rem}.fv:focus{border-color:var(--navy);background:var(--panel-2);outline:none}.dash{text-align:center;color:var(--faint);font-size:.75rem}.col-actions{white-space:nowrap;text-align:right;width:1%;padding-right:6px!important}.ffToggle,.irm{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:0 0;margin-left:2px;padding:3px 5px;font-size:.64rem;line-height:1}.ffToggle:hover{color:var(--navy);border-color:var(--navy)}.ffToggle{color:var(--green);border-color:var(--green);font-weight:800}.irm{border:none;padding:2px 4px;font-size:.95rem}.irm:hover{color:var(--maroon)}.item-group.future-open .ffToggle{color:#fff;background:var(--green)}.future-row{display:none}.item-group.future-open .future-row{display:table-row}.future-row td{background:var(--panel-2);border-bottom:1px solid var(--line);padding:9px 10px 11px}.ffields{flex-wrap:wrap;align-items:flex-end;gap:10px 18px;display:flex}.fsync{border:1px solid var(--line);color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;align-self:center;padding:4px 9px;font-size:.64rem}.fsync:hover{color:var(--navy);border-color:var(--navy)}.ffield{min-width:130px}.ffield label{color:var(--muted);white-space:nowrap;justify-content:space-between;gap:6px;margin-bottom:3px;font-size:.64rem;display:flex}.ffield .fsv{color:var(--green);font-variant-numeric:tabular-nums;font-weight:800}.ffield input[type=range]{width:100%;accent-color:var(--green)}.addrow{gap:8px;margin-top:6px;display:flex}.addbtn{border:1px solid var(--navy);color:var(--navy);cursor:pointer;white-space:nowrap;background:0 0;flex:1;padding:10px 12px;font-size:.8rem;font-weight:700}.addbtn:hover{background:var(--navy);color:#fff}.addbtn.inv{color:#c99a2e;border-color:#c99a2e}.addbtn.inv:hover{color:#1a1400;background:#c99a2e}.addbtn.reset{border-color:var(--line);color:var(--muted);flex:none;margin-left:auto}.addbtn.reset:hover,.addbtn.reset.armed{background:var(--maroon);border-color:var(--maroon);color:#fff}.whatifchat{border:1px solid var(--line);background:var(--panel);margin-bottom:16px;padding:14px 16px}.wc-head{text-transform:uppercase;letter-spacing:.08em;color:var(--green);margin-bottom:8px;font-size:.7rem;font-weight:800}.wc-log{flex-direction:column;gap:8px;max-height:220px;margin-bottom:10px;display:flex;overflow-y:auto}.wc-log:empty{display:none}.wc-msg{border-left:3px solid var(--line);background:var(--bg);padding:9px 12px;font-size:.82rem;line-height:1.5}.wc-msg.user{border-left-color:var(--navy);color:var(--ink)}.wc-msg.reply{border-left-color:var(--green);color:var(--ink)}.wc-msg.err{border-left-color:var(--maroon);color:var(--maroon)}.wc-msg .wc-changes{color:var(--muted);margin-top:6px;font-size:.74rem}.wc-msg .wc-changes span{display:block}.wc-form{gap:8px;display:flex}.wc-form input{font:inherit;border:1px solid var(--line);background:var(--bg);color:var(--ink);flex:1;padding:9px 10px;font-size:.86rem}.wc-form button{border:1px solid var(--green);background:var(--green);color:#fff;cursor:pointer;white-space:nowrap;padding:9px 16px;font-size:.82rem;font-weight:700}.wc-form button:hover{opacity:.88}.wc-form button:disabled{opacity:.5;cursor:default}.wc-hint{color:var(--faint);margin-top:8px;font-size:.68rem;line-height:1.4}.viewbar{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:14px;display:flex}.viewbtn{border:1px solid var(--line);background:var(--panel);color:var(--muted);cursor:pointer;padding:8px 14px;font-size:.78rem;font-weight:700}.viewbtn.active{border-color:var(--navy);color:var(--navy);background:var(--bg)}.viewbtn[data-view=future].active{border-color:var(--green);color:var(--green)}.viewbtn:hover{border-color:var(--navy)}.resetbtn{border:1px solid var(--line);color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;margin-left:auto;padding:7px 10px;font-size:.72rem}.resetbtn:hover{color:var(--maroon);border-color:var(--maroon)}.compare{border:1px solid var(--line);background:var(--panel);margin-top:16px;padding:16px 18px}.cmphead{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:10px;font-size:.7rem;font-weight:800}.cmprow{border-top:1px solid var(--line);grid-template-columns:1fr auto;align-items:center;gap:4px 12px;padding:8px 0;display:grid}.cmprow:first-of-type{border-top:none}.cmpl{color:var(--ink);font-size:.82rem;font-weight:700}.cmpv{color:var(--muted);font-variant-numeric:tabular-nums;grid-column:1/-1;font-size:.8rem}@media (width>=520px){.cmpv{text-align:right;grid-column:auto}}.delta{font-variant-numeric:tabular-nums;grid-column:1/-1;justify-self:end;font-size:.78rem;font-weight:800}.delta.better{color:var(--green)}.delta.worse{color:var(--maroon)}.delta.flat{color:var(--faint)}.note.whatif{border-left-color:#c99a2e;margin-top:14px}.metrics{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:18px;display:grid}@media (width>=620px){.metrics{grid-template-columns:repeat(4,1fr)}}.metric{border:1px solid var(--line);background:var(--panel);padding:14px 14px 12px}.metric .mv{color:var(--navy);font-variant-numeric:tabular-nums;font-family:Playfair Display,Georgia,serif;font-size:1.5rem;font-weight:800;line-height:1}.metric .ml{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-top:6px;font-size:.68rem;font-weight:700}.metric.va .mv{color:var(--green)}.metric.cost .mv{color:var(--maroon)}.zoombar{align-items:center;gap:8px;margin-bottom:8px;display:flex}.zoombtn{font:inherit;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer;padding:5px 11px;font-size:.82rem;font-weight:700}.zoombtn:hover{border-color:var(--navy);color:var(--navy)}.zoombtn.zoomfit{text-transform:uppercase;letter-spacing:.05em;font-size:.72rem}.zoomlevel{color:var(--muted);text-align:center;min-width:3.6em;font-size:.78rem;font-weight:700}.zoomhint{color:var(--faint);margin-left:auto;font-size:.72rem}@media (width<=640px){.zoomhint{display:none}}.scrollhint{color:var(--faint);text-align:right;margin-bottom:4px;font-size:.72rem;display:none}@media (width<=900px){.scrollhint{display:block}}.svgwrap{background:var(--panel);border:1px solid var(--line);min-width:0;max-width:100%;padding:10px;position:relative}.svgscroll{-webkit-overflow-scrolling:touch;overflow-x:auto}#diagram svg{display:block}.note{background:var(--panel-2);color:var(--muted);border-left:3px solid var(--green);margin-top:24px;padding:14px 16px;font-size:.8rem}footer{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:40px;padding-top:18px;font-size:.76rem;display:flex}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}