:root{color-scheme:dark;--bg:#09141d;--panel:#101e29;--ink:#e8eef2;--muted:#8da4b4;--line:#243746;--people:#70cff2;--vehicles:#edb97f;--mint:#7ef0c8;--amber:#f1c27d;
  font-family:var(--site-font,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif)}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(ellipse at 85% 0,#16334466,transparent 40%),var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
button,select,input{font:inherit;color:inherit}
button,select{background:#152733;border:1px solid #2c4252;border-radius:9px;cursor:pointer}
button{min-height:44px;padding:0 14px}
button:hover{background:#203b4b}
button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible,.chart:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
a{color:var(--mint)}
[hidden]{display:none!important}
main{max-width:1240px;margin:auto;padding:36px 28px 56px}
.page-heading{display:block;margin-bottom:24px}
.page-heading .freshness{margin:0 0 14px}
.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--mint);margin:0 0 10px;font-weight:700}
h1{font-size:var(--site-h1,clamp(34px,4vw,48px));font-weight:650;letter-spacing:-.035em;line-height:1.06;margin:0 0 12px}
.title-accent{color:var(--mint)}
.intro{color:var(--site-soft,#c3d3de);font-size:16px;line-height:1.55;margin:0;max-width:62ch}
.trust{margin:10px 0 0;color:var(--site-soft,#c3d3de);font-size:14px;line-height:1.45}
.controls{display:flex;gap:18px;align-items:end;border-bottom:1px solid var(--line);padding-bottom:22px;flex-wrap:wrap}
label,.range-control>span{display:block;color:var(--muted);font-size:13px;letter-spacing:.02em}
select{display:block;margin-top:8px;height:50px;padding:0 34px 0 14px;max-width:100%;font-size:15px;border-radius:var(--site-radius-control,12px)}
.camera-control{flex:1;min-width:220px}
.camera-control select{width:100%}
.range-control{margin-left:auto;max-width:100%}
.segmented{display:flex;margin-top:8px;padding:2px;border:1px solid #23394a;border-radius:999px;background:rgba(9,20,29,.7)}
.segmented button{flex:1;border:0;border-radius:999px;background:transparent;color:var(--muted);min-height:44px;padding:0 16px;font-size:14px;font-weight:600;white-space:nowrap}
.segmented button[aria-pressed=true]{background:#183041;color:var(--ink);box-shadow:inset 0 -2px 0 var(--mint)}
.segmented button:not([aria-pressed=true]):hover{color:var(--ink);background:rgba(255,255,255,.04)}
.line-button{height:50px;font-size:14px;border-radius:999px}
.chart-card,.forecast-validation,#forecast-context,.context{border:1px solid var(--site-border,#1d3040);border-radius:var(--site-radius,16px);
  background:var(--site-panel-bg,linear-gradient(180deg,rgba(18,34,46,.92),rgba(13,25,34,.92)))}
.context{margin:20px 0 0}
.context summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;padding:0 16px;cursor:pointer;list-style:none}
.context summary::-webkit-details-marker{display:none}
.context summary strong{font-size:16px;font-weight:600}
.details-hint{color:var(--muted);font-size:13px;white-space:nowrap}
.details-hint::after{content:" ▾"}
.context[open] .details-hint::after{content:" ▴"}
.context-body{display:grid;gap:10px;padding:0 16px 14px}
#history-support{color:var(--muted);font-size:13px;line-height:1.55;font-variant-numeric:tabular-nums}
.legend{display:flex;flex-wrap:wrap;gap:6px 18px;margin:14px 0 12px;font-size:13px;line-height:1.5;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.legend span::before{content:'';flex:none;width:18px;height:2px;border-radius:2px;background:#eef4f7}
.legend .forecast-key::before{background:linear-gradient(90deg,var(--people) 50%,var(--vehicles) 50%)}
.legend .band-key::before{width:14px;height:10px;border-radius:3px;background:var(--band-edge) top/100% 1px no-repeat,var(--band-edge) bottom/100% 1px no-repeat,linear-gradient(90deg,#70cff233 50%,#edb97f33 50%);--band-edge:linear-gradient(90deg,#70cff280 50%,#edb97f80 50%)}
.detector-note,.data-progress{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
.notice{padding:12px 16px;border:1px solid #395064;background:#152633;border-radius:9px;color:#b4c8d5;font-size:14px;line-height:1.6;margin:0}
.notice:not(.warning){padding:0;border:0;background:none;color:var(--muted);font-size:13px}
.notice.warning{border-color:#5c5237;background:#1f2416;color:#efdcae}
.connection-note{display:flex;gap:12px;align-items:center;margin:14px 0 0}
.connection-note .notice{flex:1}
.connection-note button{flex-shrink:0;font-size:14px}
.charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.chart-card{position:relative;overflow:hidden}
.chart-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;min-height:96px;padding:22px 24px 0}
h2{margin:6px 0 0;font-size:20px;font-weight:600}
.chart-card h2{white-space:nowrap}
.chart-card h2::before{content:'';display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:9px;background:var(--people)}
.chart-card[data-target=vehicles] h2::before{background:var(--vehicles)}
.value{text-align:right}
.value strong{display:block;font-size:30px;font-weight:600;font-variant-numeric:tabular-nums}
.value-label,.value-time,.unit{display:block;font-size:12px;line-height:1.5;color:var(--muted)}
.value-label{margin-bottom:3px;color:#b4c8d5}
.value-time{margin-top:6px}
.chart{height:285px;margin:5px 14px 14px;touch-action:pan-y;cursor:crosshair}
.chart svg{width:100%;height:100%;overflow:visible}
.chart text{font:12px var(--site-font,ui-sans-serif,system-ui,sans-serif);fill:#8da4b4;font-variant-numeric:tabular-nums}
.chart .grid{stroke:#29404f;stroke-width:1;stroke-dasharray:2 5}
.chart .now{stroke:#557484;stroke-width:1;stroke-dasharray:4 5}
.chart .observed{fill:none;stroke:#fff;stroke-width:1.3}
.chart .observed-last{fill:#eef4f7;stroke:#0f1d28;stroke-width:2}
.chart .prediction{fill:none;stroke-width:2.2}
.chart .forecast-band{stroke-width:1;stroke-linejoin:round}
.chart .hover-line{stroke:#aec4d2;stroke-width:1;stroke-dasharray:3 3;pointer-events:none}
.charts.initial-fetch[aria-busy=true] .chart{opacity:.45}
.empty{position:absolute;top:55%;left:0;right:0;text-align:center;padding:0 25px;font-size:14px;line-height:1.6;color:var(--muted);pointer-events:none}
.count-unit-note{font-size:13px;line-height:1.6;color:var(--muted);margin:14px 0 0}
.chart-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px 16px;margin-top:16px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.chart-footer>div{display:flex;flex-wrap:wrap;gap:6px}
.chart-footer button{font-size:14px;background:transparent;border-radius:999px}
.chart-footer #follow-now[aria-pressed=true]{border-color:#31574f;color:#b8dace;background:#18332e}
.gesture-hint{width:100%;font-size:12px}
.city-report{margin-top:26px}
.city-report h2{margin:12px 0 16px;font-size:22px}
.city-report .report-targets{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
#forecast-context{margin:26px 0 0;padding:18px 20px}
.input-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}
.input-heading .eyebrow{margin:0}
.input-updated{font-size:13px;color:var(--muted)}
.input-signals{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.input-chip{font-size:13px;line-height:1.5;padding:5px 10px;border:1px solid #2a3c48;border-radius:20px;color:#9aabb6;background:#14222c}
.input-chip.active{border-color:#31574f;color:#b8dace;background:#18332e}
.input-chip.active:before{content:'';display:inline-block;width:6px;height:6px;background:#7ec9ab;border-radius:50%;margin:0 7px 1px 0}
.input-attribution{font-size:12px;color:var(--muted);margin-top:13px}
.input-attribution a{display:inline-flex;align-items:center;min-height:32px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.forecast-validation{margin-top:26px;padding:20px 22px}
.validation-copy{font-size:13px;color:var(--muted);line-height:1.7;margin:14px 0 0}
.validation-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:18px}
.validation-metric span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
.validation-metric strong{display:block;font-size:21px;font-weight:500;margin:8px 0;color:#c3dbe8}
.method{border-top:1px solid var(--line);margin-top:30px;padding-top:6px;color:var(--muted);font-size:14px;line-height:1.7}
.method summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;list-style:none;cursor:pointer;color:#c3d3de}
.method summary::-webkit-details-marker{display:none}
.method summary::after{content:'Show ▾';content:'Show ▾'/'';flex:none;color:var(--mint);font-size:13px}
.method[open] summary::after{content:'Hide ▴';content:'Hide ▴'/''}
.method p{margin:10px 0;max-width:900px}
#tooltip{position:fixed;pointer-events:none;z-index:5;min-width:200px;max-width:calc(100vw - 20px);background:#172c3b;border:1px solid #3b5669;border-radius:8px;
  box-shadow:0 10px 30px #0006;padding:12px 15px;font-size:13px;line-height:1.8;font-variant-numeric:tabular-nums}
#tooltip strong{font-weight:500;color:var(--people)}
dialog{background:#101f2b;color:var(--ink);border:1px solid #385064;border-radius:12px;max-width:600px;width:calc(100% - 40px);padding:25px}
dialog::backdrop{background:#000a}
dialog p{color:var(--muted);font-size:13px;line-height:1.6}
.dialog-heading{display:flex;justify-content:space-between;align-items:center}
.dialog-heading h2{margin:0}
.dialog-heading button{width:44px;font-size:22px;border:0;background:transparent;padding:0}
.line-preview{aspect-ratio:16/9;position:relative;background:#1b3445;border:1px solid #365266;border-radius:7px;overflow:hidden}
.line-preview img{width:100%;height:100%;object-fit:fill}
.line-preview svg{position:absolute;inset:0;width:100%;height:100%}
.line-preview line{stroke:var(--people);stroke-width:3}
.coordinates{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}
input{display:block;width:100%;min-height:44px;padding:8px;margin-top:6px;background:#182e3e;border:1px solid #385064;border-radius:6px}
.primary{background:#315f78;border-color:#4b809c;width:100%;margin-top:8px}
button:disabled{opacity:.5;cursor:wait}
@media(max-width:1000px){.charts{grid-template-columns:1fr}.chart{height:255px}.city-report .report-targets{grid-template-columns:1fr}}
@media(max-width:760px){
  main{padding:20px 16px 44px}
  .page-heading{margin-bottom:20px}
  .intro{font-size:15px}
  .trust{font-size:13px}
  .controls{gap:14px;padding-bottom:16px;border-bottom:0}
  .camera-control{flex-basis:100%}
  .range-control{margin-left:0;width:100%}
  .segmented{width:100%}
  .segmented button{padding:0 8px;font-size:13px}
  .context{margin-top:16px}
  .connection-note{align-items:flex-start;margin:0 0 12px}
  .legend{gap:6px 14px;margin-top:0}
  .legend span{gap:6px}
  .legend span::before{width:16px}
  .chart{height:235px;margin:5px 6px 10px}
  .chart-heading{padding:18px 18px 0;min-height:0}
  .chart-footer>span:first-child{width:100%;line-height:1.7}
  .chart-footer button{padding:0 11px;font-size:13px}
  .gesture-hint{display:none}
  .validation-metrics{grid-template-columns:1fr;gap:16px}
  .forecast-validation,#forecast-context{padding:16px}
  .input-heading{align-items:flex-start;flex-direction:column;gap:7px}
  .coordinates{grid-template-columns:repeat(2,1fr)}
}