/* Thermal Atlas — a quiet, material-led workspace for the vehicle and its response. */
:root{color-scheme:light;--ink:#192c3c;--muted:#657586;--blue:#2366d1;--green:#087c64;--before:#758596;--border:#dce4eb;--paper:#fff;--wash:#f5f8fa;--bluewash:#edf4fd;--greenwash:#edf7f3;--amber:#a46217;--radius:16px;--mono:"Cascadia Mono","Consolas",monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:#f7f9fb;color:var(--ink);font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{cursor:wait;opacity:.5}
a{color:inherit;text-decoration:none}
button,select,input{max-width:100%}
button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,canvas:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
button:focus:not(:focus-visible){outline:none}
button,select{transition:border-color .18s,background-color .18s,color .18s,box-shadow .18s}
button:hover:not(:disabled){border-color:#aebfce}
button:active:not(:disabled){transform:translateY(1px)}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-weight:650;line-height:1.28;letter-spacing:-.025em}
.intro h1{text-wrap:balance}
svg{display:block;max-width:100%}
[hidden]{display:none!important}
.wrap{width:min(1360px,calc(100% - 80px));margin-inline:auto}
.skip{position:fixed;z-index:20;top:10px;left:20px;padding:10px 18px;background:white;border:1px solid var(--blue);border-radius:8px;transform:translateY(-150%)}
.skip:focus{transform:none}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.nav{min-height:85px;padding:17px max(40px,calc((100vw - 1360px)/2));display:flex;align-items:center;justify-content:space-between;gap:28px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;line-height:1.1;min-height:44px}
.brand svg{width:29px;height:29px;fill:none;stroke:var(--ink);stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round}
.brand>span{font-size:15px;letter-spacing:.075em;font-weight:400}
.brand b{font-weight:700}
.brand small{display:block;margin-top:6px;font-size:10px;font-weight:400;letter-spacing:.11em;color:var(--muted)}
.nav nav{display:flex;align-items:center;gap:27px;font-size:12px}
.nav nav a{min-height:44px;display:flex;align-items:center;color:#586c7d;white-space:nowrap;border-bottom:1px solid transparent}
.nav nav a:hover,.nav nav a:focus-visible{color:var(--blue);border-color:var(--blue)}
.nav-link{font-size:12px;color:var(--blue);min-height:44px;display:flex;align-items:center;white-space:nowrap}
.overview{padding-top:37px}
.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:26px}
.eyebrow{font-size:10px;line-height:1.5;letter-spacing:.14em;font-weight:650;color:#6c7d8c;text-transform:uppercase}
.intro h1{font-size:38px;margin-top:10px;letter-spacing:-.045em}
.intro-state{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end;font-size:11px;line-height:1.6;color:#526776;padding-bottom:5px}
.dot{width:6px;height:6px;display:inline-block;flex:none;background:var(--green);border-radius:50%;box-shadow:0 0 0 4px #e6f3ee;margin-right:4px}
.pill,.tiny-tag,.scope-pill{display:inline-flex;align-items:center;justify-content:center;min-height:25px;padding:4px 9px;border:1px solid var(--border);border-radius:5px;font-size:10px;font-weight:500;line-height:1.4;color:var(--muted);white-space:nowrap;background:white}
.pill{margin-left:6px;background:#f1f5f8;border:0}
.scope-pill{color:var(--green);background:var(--greenwash);border-color:#d8eae2;font-size:11px;padding:5px 10px;min-height:28px}
.vehicle-workspace{display:grid;grid-template-columns:minmax(0,1fr) 292px;min-height:540px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff}
.vehicle-stage{height:540px;position:relative;isolation:isolate;overflow:hidden;background:radial-gradient(ellipse at 49% 59%,#fff 0%,#f4f7fa 68%,#eef3f6 100%)}
#vehicle-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:pan-y;outline-offset:-5px;cursor:grab}
#vehicle-canvas:active{cursor:grabbing}
.stage-heading{position:absolute;z-index:2;top:23px;left:25px;right:23px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:11px;letter-spacing:.02em;color:#687b8b;pointer-events:none}
.shell-switch{display:flex;align-items:center;gap:7px;min-height:35px;padding:4px 9px;background:rgba(255,255,255,.76);border:1px solid rgba(205,217,227,.85);border-radius:6px;letter-spacing:0;cursor:pointer;pointer-events:auto}
.shell-switch input{width:13px;height:13px;accent-color:var(--blue);margin:0}
.vehicle-guide{position:absolute;z-index:2;bottom:30px;left:25px;display:flex;align-items:center;gap:6px;font-size:10px;color:#738491;pointer-events:none}
.vehicle-guide>span:last-child{margin-left:13px;padding-left:13px;border-left:1px solid #cbd6df}
.flow-dot{width:5px;height:5px;border-radius:50%;display:inline-block;margin-left:9px;flex:none}
.flow-dot:first-child{margin-left:0}
.flow-dot.blue{background:#3587bd;box-shadow:0 0 0 3px rgba(53,135,189,.08)}
.flow-dot.orange{background:#bf7b45;box-shadow:0 0 0 3px rgba(191,123,69,.08)}
.camera-controls{position:absolute;z-index:3;bottom:22px;right:24px;display:flex;gap:3px;padding:4px;background:rgba(255,255,255,.92);border:1px solid #d5dfe7;border-radius:9px;box-shadow:0 3px 12px rgba(34,59,78,.035)}
.camera-controls button{min-width:53px;min-height:34px;padding:6px 12px;border:1px solid transparent;background:transparent;border-radius:5px;color:#677989;font-size:11px}
.camera-controls button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.system-inspector{display:flex;flex-direction:column;min-width:0;padding:25px 21px 22px;background:rgba(255,255,255,.97);border-left:1px solid var(--border)}
.inspector-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}
.inspector-heading .eyebrow{font-size:10px;letter-spacing:.11em}
.inspector-heading .tiny-tag{font-size:10px;min-height:22px;padding:3px 6px;background:#f9fbfc}
.component-tabs{display:grid;gap:4px;margin:19px -4px 0}
.component-tabs button{display:grid;grid-template-columns:23px 1fr 16px;align-items:center;gap:6px;min-height:42px;padding:10px;border:1px solid transparent;border-radius:6px;background:transparent;text-align:left}
.component-tabs button span{font:10px var(--mono);color:#8a9ba8}
.component-tabs button b{font-size:12px;font-weight:500;letter-spacing:.01em}
.component-tabs button i{font-style:normal;font-size:14px;color:#95a5b0;justify-self:end}
.component-tabs button:hover{background:#f6f9fb}
.component-tabs button[aria-pressed="true"]{background:var(--bluewash);border-color:#dce9f9;box-shadow:inset 2px 0 var(--blue)}
.component-tabs button[aria-pressed="true"] b,.component-tabs button[aria-pressed="true"] i{color:var(--blue)}
.component-detail{padding-top:20px;margin-top:15px;border-top:1px solid var(--border)}
.small-label{font-size:10px;color:#82939f;line-height:1.5}
.component-detail h2{margin:6px 0 10px;font-size:21px}
.component-detail p{font-size:12px;line-height:1.8;color:#617482;min-height:43px;overflow-wrap:anywhere}
.component-flow{font-size:10px;line-height:1.65;color:var(--blue);padding:10px 0 14px;overflow-wrap:anywhere}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:16px;min-height:43px;padding:10px 14px;border:1px solid var(--border);border-radius:7px;font-size:11px;font-weight:500}
.button.primary{margin-top:auto;background:var(--ink);border-color:var(--ink);color:#fff}
.button.primary:hover{background:#2d475b}
.micro-note{margin-top:12px;color:#82929f;font-size:10px;line-height:1.7;overflow-wrap:anywhere}
.orientation{display:flex;align-items:center;gap:40px;margin-top:23px;padding:18px 0 0;border-top:1px solid var(--border);font-size:11px;color:#7a8b98}
.orientation>span{display:flex;align-items:baseline;gap:9px}
.orientation b{font-size:18px;color:#324959;letter-spacing:-.035em;font-weight:600;font-variant-numeric:tabular-nums}
.orientation a{margin-left:auto;display:flex;align-items:center;min-height:35px;color:var(--blue);font-size:11px}
.section{margin-top:70px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}
.section-heading h2{font-size:27px;margin-top:8px;letter-spacing:-.035em}
.section-heading>p{font-size:11px;line-height:1.9;color:#7b8b98;text-align:right;max-width:360px;padding-bottom:2px}
.parameter-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px}
.parameter-board,.parameter-detail,.response-panel,.chart-card{min-width:0;background:white;border:1px solid var(--border);border-radius:var(--radius)}
.parameter-board{display:flex;flex-direction:column;padding:23px 25px 21px}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}
.panel-heading h3{font-size:15px;letter-spacing:-.01em;font-weight:600}
.panel-heading .eyebrow+h3{margin-top:5px}
.mini-legend,.chart-legend{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;font-size:10px;line-height:1.6;color:#7e8d99}
.mini-legend{margin-bottom:19px}
.legend-before,.legend-target,.legend-after{display:inline-flex;align-items:center;gap:7px}
.legend-before::before,.legend-target::before,.legend-after::before{content:"";display:block;width:18px;height:0;border-top:2px solid;flex:none}
.legend-before::before{border-color:var(--before);border-top-style:dashed}
.legend-target::before{border-color:var(--blue);border-top-style:dashed}
.legend-after::before{border-color:var(--green)}
.parameter-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;flex:1;grid-auto-rows:minmax(86px,1fr)}
.param-button{display:flex;flex-direction:column;gap:15px;min-width:0;min-height:86px;padding:14px 13px 12px;background:#f9fbfc;border:1px solid #e5ebf0;border-radius:8px;text-align:left}
.param-button:hover{background:#f0f6f9}
.param-button[aria-pressed="true"],.param-button.active,.param-button.is-active{border-color:#8cbcaf;background:#f0f8f5;box-shadow:inset 0 0 0 1px rgba(8,124,100,.06)}
.param-top{display:flex;align-items:baseline;justify-content:space-between;gap:6px;font-size:11px;line-height:1.3;font-variant-numeric:tabular-nums}
.param-top b,.param-top>span:first-child{font-family:var(--mono);font-weight:500;color:#657c8d}
.param-top strong,.param-top>span:last-child:not(:first-child){font-size:13px;color:var(--green);font-weight:600;letter-spacing:-.02em}
.param-button>small{font-size:10px;line-height:1.2;color:#8b9aa5;overflow-wrap:anywhere}
.param-meter{position:relative;height:4px;width:100%;border-radius:3px;background:#e2e9ee;flex:none}
.param-meter::after{content:"";position:absolute;left:50%;top:-3px;width:1px;height:10px;background:#a8b7c3;z-index:2}
.param-meter i{position:absolute;left:50%;top:0;height:4px;width:0;border-radius:2px;background:var(--green);font-style:normal}
.scale-label{display:flex;justify-content:space-between;gap:8px;padding-top:14px;color:#9aa8b2;font-size:10px;line-height:1.4;font-variant-numeric:tabular-nums}
.parameter-detail{padding:25px 24px;background:#fdfefe}
.parameter-value{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:21px 0 15px}
.parameter-value h3{font-size:28px;font-family:var(--mono);font-weight:500}
.parameter-value>span{font-size:22px;color:var(--green);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
#parameter-description{font-size:12px;color:#667d8c;line-height:1.8;min-height:44px;overflow-wrap:anywhere}
.parameter-effects{margin-top:22px;margin-bottom:20px}
.effect-row{display:grid;grid-template-columns:90px minmax(0,1fr) 54px;align-items:center;gap:10px;min-height:42px;border-bottom:1px solid #edf1f4;font-size:10px;color:#718595}
.effect-row:last-child{border-bottom:0}
.effect-row>strong,.effect-row>span:last-child{font-size:10px;font-weight:500;color:#4d6b80;text-align:right;font-variant-numeric:tabular-nums}
.effect-meter{position:relative;height:4px;border-radius:3px;background:#e9eff4;overflow:hidden}
.effect-meter i{display:block;height:100%;width:0;border-radius:3px;background:#789ec3;font-style:normal}
.parameter-detail .micro-note{padding-top:15px;border-top:1px solid var(--border);font-size:10px;line-height:1.85}
.response-panel{padding:0 28px 25px;overflow:hidden}
.toolbar{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px 18px;margin:0 -28px;padding:19px 28px 20px;border-bottom:1px solid var(--border);background:#fcfdfe}
.toolbar>label{display:flex;flex-direction:column;gap:6px;min-width:110px;font-size:10px;line-height:1.5;color:#7a8d9a}
select{height:37px;min-width:128px;padding:7px 31px 7px 11px;border:1px solid #d8e1e9;border-radius:6px;background-color:white;font-size:11px;line-height:1.4;cursor:pointer}
select:hover{border-color:#aebfce}
.segmented{display:inline-flex;align-items:stretch;gap:3px;padding:3px;border:1px solid #dfe6ec;border-radius:7px;background:#f2f6f9}
.segmented button{min-height:30px;padding:5px 13px;border:1px solid transparent;border-radius:4px;background:transparent;color:#788a98;font-size:11px;white-space:nowrap}
.segmented button[aria-pressed="true"]{background:#fff;color:var(--blue);border-color:#dce5ec;box-shadow:0 1px 3px rgba(33,55,71,.04)}
.toolbar .segmented{margin-bottom:0}
.text-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:6px 0;border:0;background:transparent;color:var(--blue);font-size:11px;line-height:1.5;text-align:left}
.text-button:hover{color:#114caa;text-decoration:underline;text-underline-offset:4px}
#reset-case{margin-left:auto}
.response-topline{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:25px 0 17px}
.response-topline h3{margin-top:5px;font-size:21px;font-weight:600}
.chart-controls{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.chart-controls select{min-width:140px}
.chart-legend{margin-bottom:6px}
.main-chart,.delta-chart,.effort-chart,.bar-chart,.research-bars{min-width:0;width:100%}
.main-chart{min-height:360px}
.main-chart>.thermal-chart>div:first-child,.effort-chart>.thermal-chart>div:first-child{display:none!important}
.main-chart .thermal-chart>div:nth-last-child(2),.main-chart .thermal-chart>div:last-child{display:none!important}
.delta-chart .thermal-chart>div:first-child{display:none!important}
.delta-chart .thermal-chart>div:nth-last-child(2),.delta-chart .thermal-chart>div:last-child{display:none!important}
.effort-chart .thermal-chart>div:nth-last-child(2),.effort-chart .thermal-chart>div:last-child{display:none!important}
#target-note{margin-top:5px;margin-bottom:18px}
.live-readouts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid #e0e7ed;border-radius:9px;background:#fbfcfd}
.live-readouts>div{padding:17px 22px;border-left:1px solid #e0e7ed;min-width:0}
.live-readouts>div:first-child{border-left:0}
.live-readouts>div.after{background:var(--greenwash)}
.live-readouts span{display:block;font-size:10px;color:#8494a0;margin-bottom:5px}
.live-readouts strong{display:block;font-size:24px;line-height:1.3;letter-spacing:-.045em;font-weight:550;color:var(--before);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.live-readouts>div:nth-child(2) strong{color:var(--blue)}
.live-readouts>div.after strong,.live-readouts>div:last-child strong{color:var(--green)}
.live-readouts strong small{font-size:11px;font-weight:400;letter-spacing:0;margin-left:3px}
.playback{display:flex;align-items:center;gap:16px;padding:20px 0 22px;border-bottom:1px solid var(--border)}
.playback>button:first-child{min-width:76px;min-height:36px;padding:7px 12px;border:1px solid #d4dfe7;border-radius:6px;background:white;color:var(--ink);font-size:11px}
.playback>button[aria-pressed="true"]{background:var(--bluewash);color:var(--blue);border-color:#c6dafa}
.playback>label{font-size:10px;color:#8a9aa7;white-space:nowrap;display:flex;gap:8px;align-items:center}
.playback output{color:var(--ink);font-size:11px;font-variant-numeric:tabular-nums;min-width:48px}
.playback input[type="range"]{flex:1;min-width:60px;height:28px;margin:0;accent-color:var(--green);cursor:pointer}
.playback .text-button{white-space:nowrap;margin-left:4px}
.delta-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:21px 0 6px}
.delta-head strong{font-size:12px;font-weight:600}
.delta-head span{font-size:10px;color:#8a9ba7;text-align:right}
.delta-chart{min-height:190px}
.scope-note{padding:16px 18px;margin-top:12px;background:#f4f8fb;border-radius:7px;color:#718697;font-size:11px;line-height:1.85;overflow-wrap:anywhere}
.error{margin-top:15px;padding:15px 18px;border:1px solid #e7c4b8;border-radius:7px;background:#fff5ef;color:#9d4c30;font-size:12px;line-height:1.7}
.performance-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.gain-card{position:relative;min-width:0;min-height:159px;padding:22px 23px 19px;border:1px solid #d8e7e1;border-radius:12px;background:linear-gradient(130deg,#fff 25%,#f3f9f6 100%)}
.gain-card>span,.gain-card>p:first-child,.gain-card>h3{font-size:11px;line-height:1.5;color:#5f7a70;font-weight:500;letter-spacing:0}
.gain-card strong{display:block;margin:15px 0 8px;font-size:42px;line-height:1.05;font-weight:550;letter-spacing:-.055em;color:var(--green);font-variant-numeric:tabular-nums}
.gain-card strong small{display:inline;font-size:18px;line-height:1;margin-left:4px;letter-spacing:-.02em;color:inherit}
.gain-card>small,.gain-card>p:last-child{display:block;font-size:10px;line-height:1.7;color:#7d9188;font-weight:400;overflow-wrap:anywhere}
.gain-card.negative{border-color:#e5ddd2;background:linear-gradient(130deg,#fff 25%,#fbf7f0 100%)}
.gain-card.negative strong{color:var(--amber)}
.gain-card.negative>span,.gain-card.negative>small,.gain-card.negative>p{color:#8c7b64}
.two-charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:25px}
.chart-card{padding:25px 25px 23px}
.chart-card .panel-heading{margin-bottom:25px;align-items:flex-start}
.chart-card .panel-heading h3{font-size:18px;line-height:1.4}
.chart-card .panel-heading .tiny-tag{margin-top:5px}
.bar-chart{min-height:325px}
.effort-chart{min-height:330px}
.research-tabs{margin:0 0 1px;max-width:100%}
.research-tabs button{min-height:35px;padding:7px 18px;font-size:11px}
.research-grid{align-items:stretch;margin-top:17px}
.research-grid .chart-card{padding-bottom:24px}
.research-bars{min-height:300px}
.research-grid .micro-note{font-size:10px;line-height:1.8;margin-top:20px}
.research-side-stat{display:flex;align-items:baseline;gap:11px;flex-wrap:wrap;margin:30px 0 22px}
.research-side-stat strong{font-size:57px;font-weight:500;line-height:1;letter-spacing:-.07em;color:var(--green);font-variant-numeric:tabular-nums}
.research-side-stat strong small{font-size:23px;letter-spacing:-.02em;margin-left:5px;color:#91aa9f}
.research-side-stat>span,.research-side-stat>small{font-size:12px;line-height:1.6;color:#7f918d}
.coverage-track{display:flex;width:100%;height:11px;background:#eaf0f4;border-radius:4px;overflow:hidden;margin:18px 0 12px}
.coverage-track>span{height:100%;display:block;background:var(--green);min-width:0}
.coverage-track>span+span{background:#dbe4ea}
.coverage-legend{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:31px;font-size:10px;line-height:1.7;color:#83949f}
.coverage-legend>span:first-child{color:var(--green)}
.coverage-legend b,.coverage-legend strong{font-weight:600;font-variant-numeric:tabular-nums;color:inherit}
.research-facts{display:grid;gap:0;margin:15px 0 24px;padding:0;border-top:1px solid var(--border)}
.research-facts>div,.research-facts>li{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid #e7edf1;list-style:none;font-size:11px;line-height:1.7;color:#81929f}
.research-facts strong,.research-facts b,.research-facts dd{font-size:12px;font-weight:550;color:#345164;text-align:right;font-variant-numeric:tabular-nums;margin:0}
.research-facts dt{margin:0}
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.research-side-note strong{color:#426478;font-weight:600}
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