:root{font-family:"Avenir Next",Avenir,"Segoe UI",sans-serif;color:#172d42;background:#f3f5f7;font-synthesis:none;--ink:#172d42;--muted:#6b7b88;--line:#e3e8ec;--gold:#ffbb55;--blue:#30758b}
*{box-sizing:border-box}
body{margin:0}
button,input,select{font:inherit}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button{border:0}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #4a9cbc;outline-offset:4px}
button:disabled{opacity:.4;cursor:default}
a{color:inherit}
.header{height:76px;padding:0 4%;display:flex;align-items:center;gap:38px;border-bottom:1px solid var(--line);background:#fff}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:24px;letter-spacing:-1px;font-weight:750}
.brand svg{width:32px;height:32px}
.brand-light{font-weight:400}
.header-description{font-size:13px;color:var(--muted)}
.header>.text-button{margin-left:auto}
.text-button{background:transparent;padding:8px 0;color:#465e70;display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600}
.info-icon{display:grid;place-items:center;border:1px solid #8d9ba5;border-radius:50%;width:16px;height:16px;font:11px Georgia,serif}
main{max-width:1640px;margin:auto;padding:30px 4% 0}
.intro{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 26px}
h1{font-size:34px;letter-spacing:-1.2px;margin:0 0 6px;font-weight:650;line-height:1.2}
.intro p{margin:0;color:var(--muted);font-size:14px}
.prototype{display:flex;align-items:center;gap:8px;font-size:11px;color:#687a87}
.prototype>span{width:6px;height:6px;border-radius:50%;background:#779ba3}
.workbench{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:0;border:1px solid #dce3e8;border-radius:14px;overflow:hidden;background:white;box-shadow:0 8px 30px #243f5210}
.viewport{height:auto;min-height:584px;min-width:0;position:relative;background:#102a40;isolation:isolate;overflow:hidden}
#scene{position:absolute;inset:0}
#scene canvas{display:block;width:100%;height:100%;touch-action:none}
.scene-top{position:absolute;top:20px;left:22px;right:22px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}
.scene-top>*{pointer-events:auto}
.view-switch{display:flex;padding:4px;gap:3px;border:1px solid #ffffff20;border-radius:8px;background:#0b2137dd}
.view-switch button{font-size:11px;padding:8px 13px;border-radius:5px;color:#b8c8d4;background:transparent}
.view-switch button.selected{background:#e7edf1;color:#183348;font-weight:600}
.scene-icon,.camera-buttons button{background:#142f43cc;color:#bdd0df;border:1px solid #ffffff24;border-radius:7px;height:34px;width:34px;font-size:21px}
.scene-caption{position:absolute;left:23px;top:87px;font-size:11px;color:#d7e3e9}
.scene-caption small{display:block;margin:6px 0 0 14px;color:#849bad;font-size:10px}
.live-dot{display:inline-block;background:#f3b961;width:5px;height:5px;border-radius:50%;margin-right:9px}
.scene-bottom{position:absolute;bottom:20px;left:22px;right:22px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.layer-controls{display:flex;gap:13px;font-size:11px;color:#d2dce4}
.layer-controls label{display:flex;align-items:center;gap:5px;cursor:pointer;white-space:nowrap}
.layer-controls input{accent-color:#a9c6d9;width:12px;height:12px;margin:0}
.orbit-hint{font-size:10px;color:#8fa6b8;white-space:nowrap}
.orbit-hint span{margin:0 5px}
.camera-buttons{position:absolute;bottom:55px;left:22px;display:flex;gap:5px}
.camera-buttons button{width:28px;height:28px;font-size:17px}
.material-key{display:flex;gap:14px;position:absolute;bottom:59px;right:22px;color:#93aabd;font-size:9px;pointer-events:none}
.material-key span{display:flex;align-items:center;gap:5px}
.material-key i{width:6px;height:6px;border-radius:2px;display:inline-block}
.metal-dot{background:#a2b3c3}
.coke-dot{background:#516171;border:1px solid #778694}
.flux-dot{background:#d7c9a8}
#labels{position:absolute;inset:0;pointer-events:none}
.zone-label{position:absolute;left:0;top:0;transform:translate(-50%,-50%);pointer-events:auto;background:#10283bdc;color:#b6c7d6;border:1px solid #ffffff24;border-radius:5px;font-size:10px;line-height:1;white-space:nowrap;padding:8px 10px;display:flex;align-items:center;gap:8px;box-shadow:0 4px 14px #0002}
.zone-label::before{content:"";width:5px;height:5px;background:var(--zone-color);border-radius:50%;box-shadow:0 0 8px color-mix(in srgb,var(--zone-color),transparent 60%)}
.zone-label.active{border-color:#ffc16b;background:#422e1fe8;color:#ffdb9e}
.zone-label .zone-num{color:#7f98a9;font-size:8px}
.zone-label.active .zone-num{color:#d4a86d}
.sidebar{display:flex;flex-direction:column;background:#fff}
.controls-panel{padding:25px 24px 21px;border-bottom:1px solid var(--line)}
.panel-heading{display:flex;align-items:center;justify-content:space-between}
h2{font-size:15px;font-weight:650;letter-spacing:-.2px;margin:0}
.small-button{background:transparent;color:#6f8391;font-size:10px;padding:4px}
.panel-description{font-size:11px;color:var(--muted);margin:7px 0 23px}
.slider-field{margin-top:18px}
.slider-field>label{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:550}
.slider-field output{font-size:15px;font-weight:650;line-height:20px}
.slider-field output span{font-size:10px;color:var(--muted);font-weight:400;margin-left:3px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;background:linear-gradient(to right,#54798f 0%,#54798f var(--fill,50%),#e5eaee var(--fill,50%),#e5eaee 100%);cursor:pointer;margin:17px 0 8px;display:block}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:13px;height:13px;border:3px solid #fff;border-radius:50%;background:#31576d;box-shadow:0 0 0 1px #567e94}
input[type=range]::-moz-range-thumb{width:8px;height:8px;border:3px solid white;border-radius:50%;background:#31576d;box-shadow:0 0 0 1px #567e94}
.range-ends{display:flex;justify-content:space-between;color:#8997a2;font-size:9px}
.readings{display:flex;align-items:flex-end;justify-content:space-between;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.readings span{font-size:9px;color:var(--muted);display:block;margin-bottom:5px}
.readings strong{font-size:25px;letter-spacing:-.6px;line-height:1.2;font-weight:550;font-variant-numeric:tabular-nums}
.readings small{font-size:13px;font-weight:400;color:var(--muted)}
#sparkline{width:75px;height:32px}
#sparkline path{fill:none;stroke:#bf843a;stroke-width:1.7}
.response-note{font-size:9px;line-height:1.5;color:#778692;margin-top:9px;min-height:27px}
.zone-panel{padding:22px 24px 15px;flex:1;display:flex;flex-direction:column}
.zone-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:9px;color:#81909a;font-variant-numeric:tabular-nums}
.zone-tag{background:#f3ece0;color:#9a6b2c;border-radius:4px;padding:4px 7px;font-size:9px}
.zone-panel h2{font-size:19px;font-weight:600;margin-bottom:8px}
.zone-panel>p{margin:0;color:#647583;font-size:11px;line-height:1.7;min-height:55px}
.zone-fact{margin:14px 0 12px;border-left:2px solid #e0bd86;padding:0 0 0 11px}
.zone-fact>span{font-size:9px;font-weight:600;color:#5d7180}
.zone-fact p{font-size:10px;line-height:1.6;margin:4px 0 0;color:#7b8993}
.zone-navigation{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:9px;color:#84909a}
.zone-navigation button{height:27px;width:27px;border-radius:50%;background:#f4f6f7;color:#667e8f;font-size:15px}
.playback{grid-column:1/-1;padding:20px 24px 19px;border-top:1px solid var(--line);background:#fff}
.playback-top{display:flex;align-items:center;justify-content:space-between}
.playback-title{display:flex;align-items:center;gap:9px}
.playback-title h2{font-size:12px}
.cycle-icon{font-size:20px;color:#547387}
#cycle-progress{font-size:10px;color:#8999a4;margin-left:8px;font-variant-numeric:tabular-nums}
.playback-controls{display:flex;align-items:center;gap:8px}
.playback-controls select{background:#f5f7f8;border:1px solid var(--line);border-radius:5px;padding:6px 4px;color:#667b8a;font-size:10px}
.playback-controls>button{background:transparent;color:#5a7385;height:28px;width:28px;font-size:19px}
.playback-controls .play-button{display:flex;align-items:center;justify-content:center;gap:7px;width:86px;background:#213e53;border-radius:5px;color:white;font-size:10px}
.play-button #play-icon{font-size:13px}
#timeline{height:3px;margin:20px 0 22px;background:linear-gradient(to right,#d5a354 0%,#d5a354 var(--fill,55%),#e9edf0 var(--fill,55%),#e9edf0 100%)}
#timeline::-webkit-slider-thumb{background:#b98035;box-shadow:0 0 0 1px #d3b27c;width:11px;height:11px;border-width:2px}
.stages{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.stages button{background:transparent;display:flex;align-items:flex-start;gap:10px;padding:0;text-align:left;color:#7b8d99}
.stages button>span{width:24px;height:24px;display:grid;place-items:center;flex-shrink:0;border-radius:50%;border:1px solid #dee5e9;font-size:9px}
.stages button>div{font-size:12px;font-weight:550;padding-top:2px}
.stages small{display:block;color:#8d99a2;font-size:9px;font-weight:400;margin-top:4px;line-height:1.5}
.stages button.active{color:#253e52}
.stages button.active>span{background:#f7ead4;border-color:#dfc69e;color:#a16c25}
.stages button.done>span{background:#eff4f6;color:#547284}
footer{display:flex;align-items:center;justify-content:space-between;padding:17px 0;gap:16px}
footer p{margin:0;display:flex;align-items:center;gap:7px;font-size:10px;color:#8a98a3}
footer .text-button{font-size:10px;font-weight:500}
.footer-dot{width:4px;height:4px;background:#8a98a3;border-radius:50%}
.heat-legend{position:absolute;left:23px;top:146px;color:#a1b6c6;font-size:9px}
.heat-legend div{width:105px;height:5px;background:linear-gradient(90deg,#386eb7,#bc5051,#ffb83b,#fff1c1);margin:5px 0}
.heat-legend span:last-child{float:right}
.heat-legend[hidden]{display:none}
#render-error{position:absolute;top:35%;left:15%;right:15%;color:#dfe7ec;font-size:14px;line-height:1.6;z-index:5;padding:25px;background:#20394e;border-radius:10px}
dialog{max-width:570px;width:calc(100% - 32px);max-height:85vh;border:0;border-radius:14px;padding:36px;color:var(--ink);box-shadow:0 20px 90px #0005}
dialog::backdrop{background:#0d263aa8;backdrop-filter:blur(4px)}
dialog h2{font-size:29px;line-height:1.2;margin:12px 0 20px;letter-spacing:-.7px}
dialog h3{font-size:13px;margin:24px 0 7px}
dialog p{font-size:12px;line-height:1.8;color:#677d8c;margin:0}
dialog a{color:#326a85;text-decoration-color:#a4c0ce;text-underline-offset:3px}
.dialog-kicker{font-size:11px;color:#80929f}
.close-dialog{position:absolute;right:18px;top:14px;width:30px;height:30px;background:#f1f4f6;border-radius:50%;font-size:23px;color:#688191}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.noscript{background:#fff1d0;padding:20px}
@media(hover:hover){.text-button:hover,.small-button:hover{color:#143e59}
.zone-label:hover{background:#25465d;border-color:#7999ae}
.view-switch button:not(.selected):hover{background:#284256}
.stages button:hover{color:#243f54}
.camera-buttons button:hover,.scene-icon:hover{background:#2d4b61}
.zone-navigation button:hover{background:#e6edf1}
}
@media(min-width:1500px){.viewport{min-height:650px}
.controls-panel{padding:30px}
.zone-panel{padding:26px 30px}
.workbench{grid-template-columns:minmax(0,1fr) 330px}
.slider-field{margin-top:24px}
.panel-description{margin-bottom:28px}
.zone-panel>p{font-size:12px}
.zone-fact p{font-size:11px}
}
@media(max-width:1100px){main{padding:24px 24px 0}
.header{padding:0 24px}
.workbench{grid-template-columns:minmax(0,1fr) 275px}
.controls-panel,.zone-panel{padding-left:20px;padding-right:20px}
.intro h1{font-size:29px}
.orbit-hint{display:none}
.material-key{font-size:8px;gap:8px}
.prototype{font-size:10px}
.viewport{min-height:584px}
}
@media(max-width:800px){.header-description{display:none}
.header{height:65px}
.intro{align-items:flex-start;flex-direction:column;gap:12px;margin-bottom:20px}
h1{font-size:29px}
.workbench{grid-template-columns:1fr}
.viewport{height:580px;min-height:0}
.sidebar{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.controls-panel{border-bottom:0;border-right:1px solid var(--line)}
.zone-panel{padding-top:25px}
.playback{grid-row:2}
.stages{gap:10px}
.stages button{gap:6px}
.stages small{display:none}
.stages button>div{font-size:11px}
.zone-navigation{margin-top:24px}
.panel-description{margin-bottom:16px}
.scene-bottom .orbit-hint{display:inline}
.prototype{display:none}
footer{align-items:flex-start}
footer p{line-height:1.6;max-width:65%}
}
@media(max-width:520px){main{padding:22px 12px 0}
.header{padding:0 16px}
.brand{font-size:21px}
.header .text-button{font-size:10px}
.intro{padding:0 4px}
.intro h1{font-size:27px}
.intro p{font-size:12px}
.viewport{height:510px;min-height:0}
.scene-top{left:14px;right:14px;top:14px}
.view-switch button{padding:7px 10px;font-size:10px}
.scene-caption{left:15px;top:76px;font-size:10px}
.scene-caption small{font-size:8px}
.scene-bottom{left:14px;right:14px;bottom:16px}
.scene-bottom .orbit-hint{display:none}
.camera-buttons{left:auto;right:14px;bottom:12px}
.material-key{left:14px;right:auto;bottom:45px}
.zone-label{font-size:9px;padding:7px;gap:5px}
.zone-label .zone-num{display:none}
.sidebar{grid-template-columns:1fr}
.controls-panel{border-right:0;border-bottom:1px solid var(--line);padding:22px}
.zone-panel{padding:22px}
.readings{margin-top:18px}
.zone-panel>p{min-height:0}
.zone-navigation{margin-top:12px}
.playback{padding:17px 14px}
.stages{gap:5px}
.stages button{flex-direction:column;gap:5px;align-items:center;text-align:center}
.stages button>div{font-size:10px}
.playback-title h2{font-size:11px}
.playback-title{gap:6px}
#cycle-progress{margin-left:0}
.playback-controls{gap:4px}
.playback-controls .play-button{width:65px}
.cycle-icon{font-size:16px}
footer{padding:15px 4px}
.heat-legend{left:15px;top:126px}
dialog{padding:28px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important}
}