:root{--bg:#f5f6f2;--surface:#fff;--ink:#173e45;--muted:#6b7b7b;--line:#e2e9e4;--green:#277761;--mint:#bde7d4;--metal:#5d7d83;--orange:#df956e;--gas:#e4f1ed;--blue:#4c8a9b;--reference:#a7b4b0;--red:#ad4335;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);font-synthesis:none;font-size:14px}
*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:var(--green)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #4aab88;outline-offset:3px}button{color:var(--ink)}[hidden]{display:none!important}button:disabled{cursor:not-allowed;opacity:.45}.skip{position:fixed;left:10px;top:-100px;background:var(--ink);color:white;padding:10px;z-index:100}.skip:focus{top:10px}
.topbar{height:89px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:5}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);font-size:23px;font-weight:750;letter-spacing:-.8px}.brand b{font-weight:400;color:var(--green)}.brand small{display:block;font-size:8px;font-weight:650;letter-spacing:2px;margin-top:4px;color:var(--muted)}.brand-icon{background:var(--ink);color:var(--mint);height:44px;width:44px;display:grid;place-items:center;font-size:37px;line-height:1;border-radius:12px;font-weight:400}.header-right{display:flex;align-items:center;gap:25px}.course-tag{font-size:11px;color:var(--muted);letter-spacing:.2px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:8px;padding:11px 15px;font-size:11px;font-weight:650;white-space:nowrap;transition:background .15s,transform .15s}.button:hover{background:#28545a}.button.ghost{background:transparent;border-color:#d6e0da;color:var(--ink)}.button.ghost:hover{background:#f0f6f2}.button:active{transform:translateY(1px)}.icon-button{border:1px solid var(--line);background:#fff;border-radius:8px;height:33px;width:33px;font-size:21px;display:grid;place-items:center}.icon-button:hover{background:var(--gas)}
.app-layout{display:grid;grid-template-columns:306px minmax(0,1fr);max-width:1760px;margin:auto}.controls{background:#fff;border-right:1px solid var(--line);padding:30px 23px 22px;align-self:start;position:sticky;top:0;max-height:100vh;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#c9d7cd transparent}.controls-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.eyebrow{display:block;font-size:9px;letter-spacing:1.7px;font-weight:700;color:var(--green)}.controls h1{font-size:28px;letter-spacing:-1px;margin:8px 0 0;font-weight:620}.field{display:flex;flex-direction:column;gap:8px;margin:15px 0}.field>span,.field-label{font-size:11px;font-weight:650;display:block}.field span small{float:right;color:var(--muted);font-weight:400}.field select,select,.field input[type=number]{border:1px solid #dbe4de;border-radius:7px;background:#fff;padding:10px 11px;font-size:11px;color:var(--ink);width:100%;min-height:37px}.preset-field{margin-bottom:7px}.preset-field select{background:#f5f8f5;font-size:10px;padding-left:8px}.preset-caption{font-size:9px;color:var(--muted);line-height:1.5;margin-bottom:24px}.control-section{border-top:1px solid var(--line);margin-top:8px}.control-section summary{font-size:12px;font-weight:650;list-style:none;display:flex;align-items:center;gap:8px;padding:17px 0;cursor:pointer}.control-section summary::after{content:'+';margin-left:auto;color:var(--muted);font-size:15px;font-weight:400}.control-section[open] summary::after{content:'−'}.section-index{color:var(--green);border:1px solid #d4e6db;border-radius:5px;font-size:8px;display:grid;place-items:center;width:18px;height:18px}.section-body{padding-bottom:10px}.segments{display:flex;border:1px solid var(--line);border-radius:8px;padding:3px;background:#f6f8f5;gap:3px}.segments button{flex:1;border:0;background:transparent;border-radius:5px;font-size:10px;line-height:1.5;padding:6px;color:var(--muted)}.segments button[aria-pressed=true]{background:#fff;color:var(--ink);box-shadow:0 1px 5px #173e4512;font-weight:700}.fin-options{margin:10px 0 17px}.fin-options button{font-size:11px;padding:10px 5px}.fin-options small{display:block;font-size:9px;font-weight:400;color:var(--muted)}.fin-icon{display:block;height:23px;width:23px;border-radius:50%;margin:0 auto 6px;border:4px solid var(--metal);position:relative}.fin-icon.half{border-color:transparent;background:repeating-conic-gradient(var(--metal) 0deg 22.5deg,var(--gas) 22.5deg 45deg);border:0}.fin-icon.quarter{border:0;background:repeating-conic-gradient(var(--metal) 0deg 22.5deg,var(--gas) 22.5deg 90deg)}.fin-icon::after{content:'';position:absolute;width:9px;height:9px;border-radius:50%;background:#f6f8f5;left:50%;top:50%;transform:translate(-50%,-50%)}.property-row{background:#f3f7f3;display:flex;align-items:baseline;gap:5px;font-size:9px;color:var(--muted);padding:9px 10px;border-radius:6px}.property-row strong{margin-left:auto;color:var(--ink);font-size:12px;font-variant-numeric:tabular-nums}.microcopy{font-size:10px;color:var(--muted);line-height:1.65;margin:9px 0}.range-control{margin:17px 0}.range-top{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-bottom:6px}.range-top label{font-size:10px;font-weight:600;flex:1}.number-unit{display:flex;gap:4px;align-items:center;font-size:9px;color:var(--muted);flex-shrink:0}.number-unit input{width:67px;text-align:right;padding:5px;border:1px solid var(--line);border-radius:5px;background:#fff;font-size:11px;line-height:1.4;color:var(--ink);font-variant-numeric:tabular-nums}input[type=range]{width:100%;height:5px;accent-color:var(--green);display:block;margin:11px 0 5px;cursor:pointer}.range-limits{display:flex;justify-content:space-between;font-size:8px;color:#728480;font-variant-numeric:tabular-nums}.text-button{border:0;background:transparent;color:var(--green);font-size:10px;font-weight:650;text-align:left;padding:6px 0}.text-button:hover{text-decoration:underline}.sidebar-foot{display:flex;gap:6px;align-items:center;border-top:1px solid var(--line);padding-top:17px;margin-top:12px;font-size:9px;color:var(--muted)}.status-dot{display:inline-block;flex-shrink:0;width:6px;height:6px;background:#489f78;border-radius:50%}
main{min-width:0;padding:35px 37px 25px}.intro{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:27px}.intro h2{font-size:clamp(23px,2.3vw,35px);line-height:1.21;letter-spacing:-1.05px;font-weight:620;margin:14px 0 12px}.intro em{font-style:normal;color:#688b7b;font-weight:450}.intro p{font-size:11px;color:var(--muted);margin:0}.model-pill{font-size:9px;display:flex;align-items:center;gap:7px;background:#e9f0e7;border:1px solid #dce6d7;border-radius:20px;padding:9px 12px;white-space:nowrap;margin-top:3px}.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}.metric{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px 18px}.metric.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.metric-label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:10px;color:var(--muted)}.metric-label>span{font-family:Georgia,serif;font-style:italic;font-size:17px;color:#a8c3b8}.metric.primary .metric-label{color:#b9d0cb}.metric-number{display:flex;align-items:baseline;gap:8px;margin:13px 0 11px;font-variant-numeric:tabular-nums}.metric-number strong{font-size:clamp(27px,3.1vw,43px);line-height:1;font-weight:500;letter-spacing:-1.8px}.metric-number>span{font-size:11px;color:var(--muted)}.metric.primary .metric-number>span{color:#b9d0cb}.metric-compare,.metric-note{font-size:10px;color:var(--muted);line-height:1.5;min-height:15px}.metric.primary .metric-compare{color:var(--mint)}.metric-compare .diff{font-weight:700;color:var(--green)}.metric.primary .metric-compare .diff{color:var(--mint)}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:23px 25px}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.panel h3{font-size:16px;letter-spacing:-.35px;font-weight:600;line-height:1.4;margin:7px 0 0}.visual-grid{display:grid;grid-template-columns:1.03fr 1fr;gap:18px;margin-bottom:18px}.view-switch{max-width:121px}.view-switch button{padding:5px 8px;font-size:9px}.cell-visual{min-height:245px;display:flex;align-items:center;justify-content:center;margin:2px -5px 0}.cell-visual svg{width:100%;height:253px;overflow:visible}.cell-legend{display:flex;align-items:center;justify-content:center;gap:16px;font-size:9px;color:var(--muted);margin-top:0}.cell-legend>span{display:flex;gap:5px;align-items:center}.swatch{width:8px;height:8px;display:inline-block;border-radius:2px}.swatch.head{background:var(--orange)}.swatch.fin{background:var(--metal)}.swatch.gas{background:var(--gas);border:1px solid #b9d4cc}.figure-note{color:var(--muted);font-size:10px;line-height:1.7;margin:15px 0 0}.cell-panel .figure-note{padding-top:12px;border-top:1px solid var(--line)}.parallel-tag{font-size:8px;color:var(--green);background:#edf6ee;padding:6px 8px;border-radius:5px;white-space:nowrap;margin-top:2px}.flow-endpoints{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);border-bottom:1px solid var(--line);padding:25px 0 12px;margin-bottom:13px}.flow-endpoints>span{display:flex;align-items:center;gap:5px}.hot-dot,.cold-dot{display:block;height:6px;width:6px;border-radius:50%;background:var(--orange)}.cold-dot{background:#62989b}.flow-row{margin-bottom:16px}.flow-title{display:flex;justify-content:space-between;align-items:baseline;font-size:10px;gap:5px}.flow-title strong{font-size:10px;font-weight:600;font-variant-numeric:tabular-nums}.flow-title small{color:var(--muted);font-size:9px;margin-left:5px}.flow-track{height:7px;border-radius:10px;background:#f0f4f0;margin:7px 0 5px;overflow:hidden}.flow-fill{height:100%;background:var(--blue);border-radius:10px;transition:width .2s}.flow-row:nth-child(2) .flow-fill{background:var(--green)}.flow-foot{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);font-variant-numeric:tabular-nums}.flow-total{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0 0;border-top:1px solid var(--line);font-size:10px}.flow-total small{display:block;font-size:8px;color:var(--muted);margin-top:4px}.flow-total strong{font-size:19px;font-weight:550;letter-spacing:-.4px}.heat-panel .figure-note{font-size:9px;margin-top:12px}
.chart-panel{position:relative;margin-bottom:18px}.chart-selectors{display:flex;gap:10px;align-items:flex-end}.chart-selectors label{font-size:9px;color:var(--muted);display:flex;flex-direction:column;gap:5px}.chart-selectors select{padding:8px 10px;font-size:10px;min-height:34px;max-width:245px;background:#f8faf6}.chart-caption{font-size:10px;line-height:1.65;color:var(--muted);margin:16px 0 12px}.chart-legend{display:flex;align-items:center;gap:22px;flex-wrap:wrap;font-size:9px;color:var(--muted);margin:8px 0 2px}.chart-legend>span{display:flex;align-items:center;gap:7px}.line-swatch{display:inline-block;width:17px;height:0;border-top:2px solid var(--green)}.line-swatch.reference{border-top:2px dashed var(--reference)}.point-swatch{background:var(--orange);width:7px;height:7px;border:1px solid white;box-shadow:0 0 0 1px var(--orange);border-radius:50%;display:inline-block}.chart-container{width:100%;min-height:265px}.chart-container svg{width:100%;display:block;overflow:visible}.chart-tooltip{position:absolute;z-index:4;padding:10px 14px;border-radius:8px;background:var(--ink);color:#fff;font-size:10px;box-shadow:0 5px 25px #173e4522;pointer-events:none;line-height:1.6;max-width:240px}.insight{font-size:11px;line-height:1.75;padding:13px 16px;background:#f0f6ef;border-left:3px solid #9bcaaf;border-radius:0 6px 6px 0;margin:5px 0 10px}.insight strong{font-weight:650}.data-details summary{font-size:10px;color:var(--green);cursor:pointer;padding:6px 0}.data-details table{margin-top:12px}.table-scroll{overflow-x:auto;max-height:380px;scrollbar-width:thin}table{width:100%;border-collapse:collapse;font-size:10px;white-space:nowrap;font-variant-numeric:tabular-nums;text-align:right}th,td{padding:11px 12px;border-bottom:1px solid var(--line);line-height:1.5}th{font-size:9px;color:var(--muted);font-weight:550;background:#f6f9f5;position:sticky;top:0;z-index:1}th:first-child,td:first-child{text-align:left}td:first-child{color:var(--muted)}td.current{color:var(--green);font-weight:650;background:#f9fcf8}.actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.comparison-panel>.figure-note{margin:12px 0 17px}.model-footer{padding:26px 5px 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px}.model-footer>span{font-family:Georgia,serif;font-size:15px;color:#759582;white-space:nowrap}.model-footer i{font-family:inherit;padding:0 12px;font-style:normal}.model-footer p{font-size:9px;line-height:1.65;color:var(--muted);flex:1;margin:0;min-width:200px}.model-footer button{font-size:9px}.error-box{padding:20px;background:#fff1e9;border:1px solid #edc6b9;border-radius:12px;color:var(--red);font-size:12px;line-height:1.7}.error-box p{margin:4px 0}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:50;border-radius:9px;background:var(--ink);color:#fff;padding:12px 19px;font-size:12px;box-shadow:0 7px 28px #173e4533;max-width:90vw;text-align:center}
dialog{border:1px solid var(--line);border-radius:16px;width:min(820px,calc(100vw - 32px));max-height:89vh;padding:28px 32px;color:var(--ink);box-shadow:0 20px 80px #173e4526}dialog::backdrop{background:#10292d66;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:20px}.dialog-heading h2{font-size:25px;letter-spacing:-.7px;font-weight:550;margin:9px 0}.method-content{font-size:12px;line-height:1.85}.method-content h3{font-size:14px;margin:25px 0 7px}.method-content p{margin:9px 0}.method-content li{padding-left:4px;margin-bottom:6px}.equations{background:#f1f6ef;border-radius:8px;padding:10px 18px;font-family:Georgia,serif;font-size:14px;overflow-x:auto;white-space:nowrap}.method-content a{text-underline-offset:3px}.method-content table{font-size:11px}
@media(min-width:1650px){main{padding:40px 55px}.panel{padding:26px 29px}.intro h2{font-size:37px}.cell-visual svg{height:275px}}
@media(max-width:1180px){.topbar{padding:0 26px}.app-layout{grid-template-columns:275px minmax(0,1fr)}.controls{padding:27px 18px}main{padding:30px 23px}.intro{flex-direction:column;gap:13px}.intro h2{font-size:29px}.intro .model-pill{margin-top:0}.panel{padding:20px}.metric{padding:18px}.metric-label{font-size:9px}.metric-number strong{font-size:32px}.visual-grid{gap:13px}.panel h3{font-size:14px}.chart-heading{flex-wrap:wrap}.chart-selectors{width:100%;margin-top:2px}.chart-selectors label:first-child{flex:1}.chart-selectors select{max-width:none}.comparison-panel .panel-heading{flex-wrap:wrap}.actions{justify-content:flex-start}.flow-title small{display:none}.cell-legend{gap:10px;font-size:8px}}
@media(max-width:920px){.visual-grid{grid-template-columns:1fr}.cell-visual svg{height:270px}.cell-visual{min-height:260px}.cell-panel .figure-note{margin-top:15px}.flow-endpoints{padding-top:20px}.metric-grid{gap:9px}.metric{padding:15px 12px}.metric-number strong{font-size:29px}.metric-label>span{display:none}.metric-compare,.metric-note{font-size:9px}.intro h2{font-size:27px}.heat-panel{padding-bottom:18px}.chart-legend{gap:14px}}
@media(max-width:680px){.topbar{height:73px;padding:0 18px}.brand{font-size:20px;gap:9px}.brand-icon{height:36px;width:36px;font-size:31px;border-radius:10px}.brand small{font-size:6px;letter-spacing:1.6px}.course-tag{display:none}.header-right{gap:5px}.header-right .button{font-size:10px;padding:9px 10px}.app-layout{display:flex;flex-direction:column}.controls{position:static;max-height:none;width:100%;border-right:0;border-bottom:1px solid var(--line);padding:24px 20px 15px}.controls-heading{margin-bottom:14px}.controls h1{font-size:25px}.preset-caption{margin-bottom:14px}.control-section{margin-top:0}.control-section summary{padding:14px 0}.control-section .section-body{padding-bottom:15px}.section-body:has(#geometry-fields){display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.section-body:has(#geometry-fields)>.field,.section-body:has(#geometry-fields)>.property-row,.section-body:has(#geometry-fields)>#geometry-fields,.section-body:has(#geometry-fields)>.microcopy,.section-body:has(#geometry-fields)>.text-button{grid-column:1/-1}#geometry-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}#geometry-fields .range-control{margin:12px 0}.sidebar-foot{padding-top:12px;margin-top:3px;font-size:9px}.fin-options{max-width:380px}.intro{margin-bottom:22px}.intro h2{font-size:29px}.intro .eyebrow{font-size:8px}.intro p{font-size:10px}main{padding:27px 16px}.metric-grid{gap:8px;margin-bottom:13px}.metric{padding:14px 10px 12px;border-radius:9px}.metric-label{font-size:8px;line-height:1.6;min-height:26px}.metric-number{gap:4px;margin:9px 0 10px;flex-wrap:wrap}.metric-number strong{font-size:28px;letter-spacing:-1px}.metric-number>span{font-size:9px}.metric-compare,.metric-note{font-size:8px}.metric-note{line-height:1.6}.panel{border-radius:10px;padding:19px 17px}.panel h3{font-size:16px}.visual-grid{gap:13px;margin-bottom:13px}.cell-visual{min-height:240px}.cell-visual svg{height:255px}.view-switch button{font-size:8px}.eyebrow{font-size:8px;letter-spacing:1.4px}.chart-panel{margin-bottom:13px}.chart-selectors{gap:8px}.chart-selectors select{font-size:9px;padding:8px 6px}.chart-selectors label:last-child{width:120px;flex-shrink:0}.chart-caption{font-size:9px}.chart-legend{gap:10px;font-size:8px;line-height:1.6}.chart-container{min-height:215px}.insight{font-size:10px;padding:12px}.actions{gap:7px}.actions .button{font-size:9px;padding:10px 11px}.figure-note{font-size:9px}.model-footer{padding-top:23px;gap:12px}.model-footer p{min-width:100%;order:3}.comparison-panel .table-scroll{margin:0 -7px}.comparison-panel th,.comparison-panel td{padding:10px 7px;font-size:9px}.dialog-heading h2{font-size:22px}dialog{padding:22px 20px}.method-content{font-size:11px}.equations{font-size:12px;padding:9px 12px}.cell-legend{font-size:9px;gap:15px}}
.visual-grid{grid-template-columns:minmax(0,1fr);gap:18px}.cell-panel{padding:25px 27px 20px}.cell-panel h3{font-size:20px}.cell-panel .view-switch{max-width:186px;min-width:170px}.cell-panel .view-switch button{padding:7px 12px;font-size:10px}.geometry-stage{height:490px;margin:21px 0 14px;border:1px solid #e0eae3;border-radius:11px;overflow:hidden;position:relative;background:radial-gradient(ellipse at 50% 43%,#fff 4%,#f0f6f1 75%,#e9f1ed 100%)}.geometry-stage::before{content:'';position:absolute;bottom:21px;width:38%;height:33px;left:31%;border-radius:50%;background:radial-gradient(ellipse,#24483b2b 0%,#24483b0d 45%,transparent 72%);pointer-events:none}.cell-3d{position:absolute;inset:0}.cell-3d canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab;outline-offset:-5px}.cell-3d canvas.dragging{cursor:grabbing}.geometry-badge{position:absolute;top:20px;left:21px;display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid #dce8df;border-radius:30px;background:#ffffffbf;z-index:2;font-size:10px;color:#3f6b57;backdrop-filter:blur(8px)}.geometry-facts{position:absolute;top:83px;left:23px;width:118px;z-index:2;pointer-events:none}.geometry-facts>span{font-size:8px;letter-spacing:1.3px;color:#80988a;display:block;margin-bottom:12px}.geometry-facts>div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:11px}.geometry-facts b{font-size:13px;font-family:Georgia,serif;font-style:italic;font-weight:400;color:#779382}.geometry-facts strong{font-size:11px;font-weight:550;font-variant-numeric:tabular-nums;color:#456c59}.geometry-facts small{font-size:8px;font-weight:400;color:#91a395}.geometry-nav{position:absolute;bottom:18px;right:20px;z-index:2;display:flex;gap:4px;padding:5px;border-radius:8px;border:1px solid #dce7df;background:#ffffffdb;backdrop-filter:blur(8px)}.geometry-nav button{height:31px;width:32px;border:0;border-radius:5px;background:transparent;color:#386754;font-size:19px}.geometry-nav button:hover{background:#e4f0e7}.geometry-nav>span{border-right:1px solid #dfe7df;margin:5px}.geometry-help{position:absolute;left:23px;bottom:19px;max-width:calc(100% - 290px);font-size:9px;line-height:1.6;color:#82988b;pointer-events:none}.geometry-options{display:flex;align-items:center;flex-wrap:wrap;gap:12px 22px;font-size:10px;color:#557b64;margin:12px 0 17px}.geometry-options label,.power-checks label{display:flex;align-items:center;gap:6px;cursor:pointer}.geometry-options input,.power-checks input{accent-color:var(--green)}.geometry-options>span{margin-left:auto;font-size:9px;color:#8a9c90}.geometry-stage .cell-visual{margin:0;height:100%;min-height:0;display:flex;align-items:center;justify-content:center}.geometry-stage .cell-visual svg{height:430px;max-width:740px}.cell-legend{font-size:10px;gap:25px}.cell-panel .figure-note{font-size:10px}.heat-panel #flow-bars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-top:20px}.heat-panel .flow-endpoints{padding-top:17px;padding-bottom:10px;margin-bottom:0}.heat-panel .flow-row{margin-bottom:15px}.heat-panel .flow-title small{display:inline}.heat-panel .flow-total{padding-top:13px}.heat-panel .flow-total small{display:inline;margin-left:8px}.heat-panel .figure-note{margin-top:10px}
.power-panel{margin-bottom:18px;position:relative}.power-panel h3{font-size:20px}.power-toolbar{display:flex;align-items:flex-end;gap:13px;flex-wrap:wrap;margin:22px 0 10px}.power-toolbar .field{margin:0;gap:7px;flex:1;min-width:145px}.power-toolbar .field>span{font-size:10px}.power-toolbar select{background:#f8faf6;font-size:10px}.power-toolbar .power-number{flex:0 1 126px;min-width:115px}.power-toolbar input[type=number]{padding:9px 10px;font-size:11px}.power-quantities{flex-shrink:0;align-self:flex-end;margin-bottom:0;min-height:38px}.power-quantities button{font-family:Georgia,serif;font-size:15px;min-width:64px;padding:6px 10px}.power-quantities button[aria-pressed=true]{background:var(--ink);color:#fff}.power-checks{display:flex;align-items:center;gap:24px;font-size:10px;color:#718577;margin:15px 0 20px}.power-chart{min-height:300px;margin-top:7px}.power-chart svg{width:100%;display:block}.power-error{padding:14px 16px;margin-top:18px;background:#fff2e8;border:1px solid #e9d1bc;border-radius:8px;color:#976340;font-size:11px;line-height:1.7}.power-values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:8px 0 20px}.power-values>div{border:1px solid #e0e9e1;border-radius:8px;background:#f7faf5;padding:12px 16px;display:flex;align-items:baseline;justify-content:space-between;gap:10px}.power-values span{font-size:10px;color:#7a8e7e}.power-values strong{font-size:19px;font-weight:550;letter-spacing:-.4px;font-variant-numeric:tabular-nums;white-space:nowrap}.power-values small{font-size:9px;font-weight:400;letter-spacing:0;color:#829786}.power-panel>.figure-note{font-size:11px;max-width:880px}.power-panel .insight{margin-bottom:10px}.power-panel #power-domain{font-size:10px;margin-bottom:12px}.power-panel .data-details{margin-top:10px}
@media(max-width:1180px){.geometry-stage{height:475px}.cell-panel{padding:23px}.geometry-facts{width:105px;top:78px}.geometry-facts>span{font-size:7px;letter-spacing:1px}.power-toolbar{gap:10px}.power-quantities{width:100%;max-width:280px}.power-values>div{display:block;padding:12px}.power-values strong{display:block;margin-top:7px;font-size:20px}}
@media(max-width:680px){.cell-panel{padding:20px 15px}.cell-panel .panel-heading{gap:10px;align-items:center;flex-wrap:wrap}.cell-panel h3{font-size:18px}.cell-panel .view-switch{min-width:145px;max-width:170px}.cell-panel .view-switch button{padding:5px 9px;font-size:10px}.geometry-stage{height:430px;margin-top:17px}.geometry-badge{top:13px;left:12px;font-size:9px;padding:7px 10px}.geometry-facts{top:60px;left:14px;width:82px}.geometry-facts>span{font-size:6px;letter-spacing:.65px}.geometry-facts>div{gap:6px;margin-bottom:8px}.geometry-facts b{font-size:11px}.geometry-facts strong{font-size:9px}.geometry-facts small{font-size:7px}.geometry-nav{right:11px;bottom:13px;padding:4px;gap:1px}.geometry-nav button{height:29px;width:28px;font-size:17px}.geometry-help{left:12px;bottom:51px;max-width:calc(100% - 24px);font-size:8px}.geometry-options{font-size:9px;gap:10px 16px}.geometry-options>span{font-size:8px;flex-basis:100%;margin-left:0}.geometry-stage .cell-visual svg{height:350px}.cell-legend{font-size:9px;gap:18px}.heat-panel #flow-bars{grid-template-columns:1fr;gap:3px;margin-top:15px}.heat-panel .flow-total small{display:block;margin-left:0}.power-panel h3{font-size:18px}.power-panel>.panel-heading{flex-wrap:wrap}.power-panel .panel-heading .button{font-size:9px;padding:9px 11px}.power-panel>.figure-note{font-size:10px}.power-toolbar .field{min-width:150px}.power-toolbar .power-number{min-width:100px;flex:1}.power-toolbar .power-quantities{min-width:100%;max-width:none;flex:1}.power-checks{gap:14px;font-size:9px}.power-values{gap:7px;margin-top:4px}.power-values>div{padding:10px 8px}.power-values span{font-size:8px}.power-values strong{font-size:16px;margin-top:8px}.power-values small{font-size:8px}.power-chart{min-height:260px}.power-panel #power-domain{font-size:9px}}
.language-switch{flex:none;gap:2px;padding:3px}.language-switch button{min-width:31px;padding:5px 7px;font-size:10px;letter-spacing:.3px}.language-switch button[aria-pressed=true]{background:var(--ink);color:#fff;box-shadow:none}
@media(max-width:680px){.header-right{gap:7px}.language-switch button{min-width:27px;padding:4px 5px;font-size:9px}.topbar{padding-left:14px;padding-right:14px}.brand{font-size:18px;gap:7px}.brand-icon{height:32px;width:32px;font-size:28px}.brand small{font-size:5px;letter-spacing:1.15px}.header-right .button{padding:8px;font-size:9px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.portfolio-back{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:600;color:var(--green);white-space:nowrap;text-decoration:none}.portfolio-back:hover{text-decoration:underline}.portfolio-mobile{display:none}@media(max-width:1000px){.header-right .course-tag{display:none}}@media(max-width:680px){.portfolio-back{display:none}.portfolio-mobile{display:flex;align-items:center;gap:7px;margin-top:13px;color:var(--green);font-size:11px;font-weight:600;text-decoration:none}}

.app-signature{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:32px 0 3px;padding:22px 5px 2px;border-top:1px solid var(--line)}.signature-credit p{font-size:11px;line-height:1.8;color:var(--muted);margin:0}.signature-credit a{color:var(--ink);font-weight:700;text-decoration:none;white-space:nowrap}.signature-credit a:hover{text-decoration:underline;text-underline-offset:3px}.signature-credit .signature-context{font-size:10px;color:#7d9185;margin-top:4px}.signature-actions{display:flex;align-items:center;gap:18px;flex-shrink:0;font-size:10px}.signature-actions>a{display:inline-flex;align-items:center;gap:7px;text-decoration:none;color:var(--green)}.signature-actions>a:hover{text-decoration:underline}.signature-actions button{background:#fff;border:1px solid #d7e4da;border-radius:7px;color:var(--green);font-size:10px;padding:8px 12px}.signature-actions button:hover{background:#edf5ee}.about-dialog{width:min(650px,calc(100vw - 32px))}.about-dialog .dialog-heading h2{font-size:27px}.about-credit{display:flex;align-items:center;gap:17px;padding:20px;border:1px solid #dce8df;background:#f2f7ef;border-radius:10px;margin-bottom:24px}.about-monogram{display:grid;place-items:center;width:51px;height:51px;flex-shrink:0;background:var(--ink);border-radius:12px;color:var(--mint);font-size:19px;letter-spacing:1px;font-weight:600}.about-credit>div>span{display:block;font-size:9px;color:#79907d;margin-bottom:5px}.about-credit a{display:inline-flex;align-items:center;gap:10px;font-size:20px;color:var(--ink);font-weight:600;text-decoration:none;letter-spacing:-.5px}.about-credit a span{font-size:13px;color:#789f87}.about-credit p{font-size:10px;color:var(--muted);margin:7px 0 0;line-height:1.65}.about-content{font-size:12px;line-height:1.9;color:var(--muted)}.about-content h3{font-size:13px;color:var(--ink);margin:21px 0 7px;font-weight:650}.about-content p{margin:0 0 12px}.about-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px;padding-top:20px;border-top:1px solid var(--line)}.about-actions .button{font-size:10px;white-space:normal;text-align:center;line-height:1.6}
@media(max-width:1000px){.app-signature{flex-wrap:wrap;gap:14px}.signature-actions{gap:17px}}@media(max-width:680px){.app-signature{padding-top:19px;margin-top:25px}.signature-credit p{font-size:10px}.signature-credit .signature-context{font-size:9px}.signature-actions{font-size:10px}.about-dialog .dialog-heading h2{font-size:23px}.about-credit{gap:12px;padding:15px;margin-bottom:18px}.about-monogram{height:43px;width:43px;font-size:16px}.about-credit a{font-size:18px}.about-credit p{font-size:9px}.about-content{font-size:11px}.about-actions{gap:8px}.about-actions .button{font-size:9px;padding:10px 12px}}