@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap');
:root{--bg:#f7f8f4;--paper:#fff;--ink:#232c28;--muted:#737b74;--line:#e6eae2;--green:#356345;--soft:#edf2e9;--active:#ffce03;font-family:'DM Sans',sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none;font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,select,input{touch-action:manipulation}a{color:inherit;text-underline-offset:4px}button{cursor:pointer}button:disabled,input:disabled{cursor:wait;opacity:.45}button:active{scale:.96}button{transition:background .18s,scale .15s}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:3px solid #006fa1;outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:Manrope,sans-serif;text-wrap:balance}p{text-wrap:pretty}h2{font-size:18px;letter-spacing:-.5px;font-weight:750}h3{font-size:22px;letter-spacing:-.7px;line-height:1.3}.site-header{max-width:1328px;margin:auto;height:100px;display:flex;align-items:center;gap:26px;padding:0 48px;border-bottom:1px solid 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1fr;margin-top:22px;padding-top:19px;gap:20px}.reading-bottom>div{display:flex;flex-direction:column;gap:4px}.reading-bottom strong{font-size:29px;font-weight:500;letter-spacing:-1px}.reading-bottom>div>span:last-child{font-size:10px;color:var(--muted)}.card-foot{color:var(--muted);font-size:11px;line-height:1.7;margin-top:19px}.tag{font-size:10px;background:#f4f6f0;padding:6px 9px;border-radius:5px;color:var(--muted);white-space:nowrap}#region-map{margin:4px 0 -9px}#region-map svg{width:100%;height:245px;display:block}.map-region{cursor:pointer;transition:fill .25s,opacity .2s;stroke:white;stroke-width:2}.map-region:hover{opacity:.75}.map-label{pointer-events:none;font-size:10px;fill:#27372e;font-weight:550}.map-number{font-size:20px;font-weight:650;letter-spacing:-.8px}.map-callout{fill:white;stroke:#dfe5dc;stroke-width:.7}.map-selected .map-callout{stroke:#27372e;stroke-width:1.5}.map-note{font-size:9px;color:#92988f;text-align:center;margin:11px 0 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.chart-container{margin-top:26px}.chart-label{font-size:10px;fill:#899185;font-family:'DM Sans',sans-serif}.chart-grid{stroke:#e8ece5;stroke-width:1;stroke-dasharray:3 4}.chart-selected{stroke:#53765b;stroke-width:1;stroke-dasharray:3 3}.chart-hit{cursor:crosshair;fill:transparent}.explainer-heading{padding:63px 0 28px}.explainer-heading .eyebrow{color:var(--green);margin-bottom:12px}.explainer-heading h2{font-size:32px;letter-spacing:-1.3px;font-weight:650}.explainer-heading>p:last-child{font-size:13px;color:var(--muted);line-height:1.7;margin-top:10px}.explainer-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.step-label{display:flex;align-items:center;gap:10px;font-size:9px;letter-spacing:1.3px;font-weight:650;color:var(--muted)}.step-label>span{display:inline-grid;place-items:center;background:#eff3e9;color:var(--green);width:27px;height:27px;border-radius:50%;font-size:10px;letter-spacing:0}.explainer-grid h3{margin:18px 0 10px}.explainer-grid h3+p{font-size:12px;color:var(--muted);line-height:1.8;min-height:64px}.explainer-grid .chart-container{margin-top:20px}.window-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;border-top:1px solid var(--line);padding-top:17px;margin-top:12px;font-size:10px;color:var(--muted)}.window-stats strong{display:block;font-size:23px;color:var(--ink);font-weight:500;margin:5px 0}.window-stats small{font-size:10px}.calculator{border-top:1px solid var(--line);margin-top:12px;padding-top:17px}.calculator label,.sandbox-controls label{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:11px;font-weight:550}.calculator output,.sandbox-controls output{font-size:11px;font-weight:600}.calculator-result{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:10px;color:var(--muted);min-height:40px}.calculator-result strong{font-size:24px;color:var(--ink);font-weight:550}.sandbox{display:grid;grid-template-columns:1.1fr 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8px;text-align:center;border-radius:7px;background:#eef1e8}.contributor strong{display:block;font-size:17px;margin-top:5px;font-weight:550}.contributor.winner{box-shadow:inset 0 0 0 1px #415b35}.notes-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:36px 0}.notes-grid h3{font-size:14px;letter-spacing:-.2px}.notes-grid p{font-size:11px;color:var(--muted);line-height:1.9;margin-top:10px}.data-table{padding:20px 25px;margin:0 0 40px}.data-table summary{cursor:pointer;font-size:12px;font-weight:550}.data-table summary span{float:right;font-size:10px;color:var(--muted)}#readings-table{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:11px;margin-top:20px;text-align:left}td,th{padding:10px;border-bottom:1px solid var(--line)}th{font-weight:600}footer{border-top:1px solid var(--line);max-width:1232px;margin:0 auto;display:flex;align-items:center;gap:28px;padding:30px 0 42px}footer .brand{font-size:23px}footer p{color:var(--muted);font-size:10px;line-height:1.8}footer>a:last-child{margin-left:auto;font-size:11px;color:var(--muted)}.notice{background:#fff2da;border:1px solid #e4d2a3;font-size:12px;padding:16px;line-height:1.7;border-radius:12px;margin-bottom:20px}.notice button{margin-left:12px;background:#fff;border:1px solid #d1b776;border-radius:5px;padding:4px 10px;min-height:36px}.sr-only,.skip{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip:focus{position:fixed;top:10px;left:10px;width:auto;height:auto;clip:auto;padding:10px;background:white;z-index:10}.empty-chart{min-height:160px;display:grid;place-items:center;color:var(--muted);font-size:12px;text-align:center;padding:25px}.muted{color:var(--muted)}[hidden]{display:none!important}
@media(min-width:1450px){main,.site-header{max-width:1380px}.main-reading>span:first-child{font-size:94px}#region-map svg{height:260px}}
@media(max-width:1000px){main,.site-header{padding-left:28px;padding-right:28px}.header-tag{display:none}.dashboard-grid{grid-template-columns:.85fr 1.15fr}.card{padding:22px}.pollutant-tabs button{min-width:62px;padding:8px 11px}#region-map svg{height:245px}.current-band{flex-wrap:wrap;gap:7px}.maximum-strip{grid-template-columns:130px 1fr}.contributors{grid-column:1/-1;justify-content:flex-start}footer{margin:0 28px}.sandbox{gap:28px}.map-card .card-top{flex-wrap:wrap}.legend{gap:8px}.reading-bottom{gap:8px}}
@media(max-width:720px){main,.site-header{padding-left:20px;padding-right:20px}.site-header{height:75px}.brand{font-size:27px}.site-header nav{gap:18px;font-size:10px}.intro{padding:36px 0 27px;display:block}h1{font-size:42px;letter-spacing:-2.2px}.intro-copy{font-size:12px}.source-status{text-align:left;margin-top:19px;gap:4px;font-size:10px}.control-bar{flex-wrap:wrap;gap:15px;padding-bottom:18px}.pollutant-tabs{width:100%;justify-content:space-between;gap:1px}.pollutant-tabs button{min-width:0;flex:1;padding:8px 7px;font-size:13px}.region-select{width:100%;justify-content:space-between}.region-select select{width:140px}.dashboard-grid,.explainer-grid{grid-template-columns:1fr;gap:16px}.card{padding:22px;border-radius:15px}.main-reading>span:first-child{font-size:84px}.current-card{padding-bottom:23px}.current-band{flex-wrap:nowrap}.map-card{padding-bottom:20px}#region-map svg{height:auto;max-height:290px}.map-card .card-top{flex-wrap:nowrap}.tag{font-size:9px}.map-note{font-size:8px}.timeline{margin-top:16px;padding:20px}.timeline h2{font-size:14px}.timeline-labels{font-size:8px}.timeline-labels span:nth-child(2){display:none}.timeline .eyebrow{font-size:8px}.timeline-actions{gap:6px}.live-button{padding:0 9px}.trend-card{margin-top:16px}.trend-card .card-top{align-items:flex-start;flex-direction:column;gap:15px}.trend-card .chart-container{overflow:visible}.chart-label{font-size:11px}.chart-key{font-size:9px}.trend-card .chart-container svg{min-height:175px}.explainer-heading{padding:43px 0 22px}.explainer-heading h2{font-size:27px}.explainer-heading>p:last-child{font-size:12px}.explainer-grid h3+p{min-height:0}.sandbox{grid-template-columns:1fr;gap:23px;margin-top:16px}.sandbox h2{font-size:21px}.sandbox .sandbox-note{font-size:10px}.maximum-strip{grid-template-columns:1fr;gap:16px;padding:30px 0}.maximum-strip .step-label{margin-bottom:0}.contributors{grid-column:auto}.notes-grid{grid-template-columns:1fr;gap:25px;padding:29px 0}.data-table summary{font-size:11px}.data-table summary span{display:none}footer{margin:0 20px;flex-wrap:wrap;gap:18px;padding:25px 0}footer>a:last-child{margin-left:0}.regional-readings{gap:1px}.region-button strong{font-size:20px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.maximum-section{margin:22px 0 0}.maximum-section h3{font-size:22px;margin-top:18px}.maximum-section .contributors{justify-content:flex-start;margin:20px 0 24px;gap:8px}.contributor{border:1px solid transparent;min-width:91px;min-height:76px;text-align:left;background:#f5f6f2;padding:10px 12px;color:var(--muted)}.contributor .series-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--series);margin-right:6px}.contributor strong{color:var(--ink)}.contributor small{font-size:8px;display:block;min-height:12px;margin-top:5px}.contributor.selected{background:#eef2f6;border-color:var(--series);color:var(--ink)}.contributor.winner{box-shadow:inset 0 -3px 0 var(--series)}.satellite-section{margin-top:22px}.satellite-tabs{display:flex;gap:5px}.satellite-tabs button{font-size:11px;padding:10px 14px;background:#f5f6f2;border:1px solid transparent;border-radius:7px;min-height:40px;color:var(--muted)}.satellite-tabs button[aria-pressed=true]{background:#edf3e8;border-color:#ccd9c7;color:var(--ink)}.satellite-status{font-size:11px;color:var(--muted);padding:18px 0}.satellite-section figure{margin:0}.satellite-section figure a{display:block;background:#f4f5f0;max-height:600px;overflow:auto;border-radius:8px}.satellite-section img{display:block;width:100%;height:auto;object-fit:contain;max-height:600px;cursor:zoom-in;outline:1px solid #2534240a}.satellite-section figcaption{font-size:10px;color:var(--muted);line-height:1.8;margin-top:12px}.source-link{display:inline-block;margin-top:12px;font-size:11px;color:var(--muted)}.calculator-result{min-height:56px}.scenario-key{display:flex;gap:15px;font-size:10px;color:var(--muted);margin-top:12px}.scenario-key span{display:flex;gap:6px;align-items:center}.scenario-key i{width:18px;border-top:2px dashed #7b8580}.scenario-key span:last-child i{border-top:2px solid #264e80}.sandbox-controls small{font-size:11px}
@media(max-width:720px){.maximum-section .contributors{gap:5px;display:grid;grid-template-columns:repeat(3,1fr)}.contributor{min-width:0}.satellite-section .card-top{flex-direction:column;align-items:flex-start;gap:15px}.satellite-tabs{width:100%}.satellite-tabs button{flex:1}.maximum-section .chart-container{margin-top:20px}.maximum-section h3{font-size:20px}}
.satellite-map{position:relative;aspect-ratio:1.8;overflow:hidden;border-radius:9px;background:#edf2ef}.satellite-section .satellite-map img{display:block;width:100%;height:100%;max-height:none;object-fit:fill;cursor:default}.satellite-map svg{position:absolute;inset:0;width:100%;height:100%;overflow:hidden}.satellite-map-label{font-family:'DM Sans',sans-serif;font-size:12px;font-weight:550;fill:#294334;paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round;text-anchor:middle}.singapore-label{text-anchor:start;font-weight:700}.satellite-legend{display:flex;gap:18px;flex-wrap:wrap;padding-top:16px;font-size:10px;color:var(--muted)}.satellite-legend span{display:flex;gap:6px;align-items:center}.satellite-legend i{width:8px;height:8px;border-radius:2px;display:block}.satellite-sources{display:flex;gap:20px;flex-wrap:wrap}.satellite-status{line-height:1.8}.satellite-map.no-satellite{outline:1px solid #dce3d8}.hotspot-point:hover{r:4;stroke-width:1}.smoke-area:hover{fill-opacity:.45}@media(max-width:720px){.satellite-legend{gap:10px;font-size:9px}.satellite-sources{gap:14px}.satellite-map-label{font-size:16px}.singapore-label{font-size:16px}}

.curve-help{font-size:10px!important;min-height:0!important;line-height:1.7!important;color:var(--muted);margin:8px 0 13px!important}.curve-probe text{fill:#fff;font-family:'DM Sans',sans-serif;font-size:10px;font-variant-numeric:tabular-nums}.curve-card svg{cursor:crosshair}.curve-card svg:focus-visible{outline:2px solid #264e80;outline-offset:4px;border-radius:3px}.satellite-latest{display:block;border:1px solid #b8cbb0;background:#edf3e8;color:#2b422f;border-radius:7px;font-size:12px;min-height:42px;padding:10px 14px;margin:0 0 18px}.satellite-latest:hover{background:#e0ebd9}.calculator output,#next-hour-value,#sandbox-result strong{font-variant-numeric:tabular-nums}