@charset "UTF-8";
@font-face{font-family:Lato;font-style:normal;font-weight:400;font-display:swap;src:url('assets/fonts/lato-regular.woff2') format('woff2')}
@font-face{font-family:Lato;font-style:normal;font-weight:700;font-display:swap;src:url('assets/fonts/lato-bold.woff2') format('woff2')}
:root{--ink:#302c2a;--muted:#7b736e;--link:#b43f38;--link-hover:#87332f;--line:#e8e0d8;--paper:#fffefa;--wash:#f8f3ed;--error:#526f87;--success:#526b5d;--accent:#c94e46;--accent-soft:#fbece6;--contrast:#6f91af;--body:Lato,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{line-height:1.25}
h1{font-weight:700}
h2{font-size:32px;font-weight:400;letter-spacing:-.5px}
h3{font-size:21px;font-weight:400}
strong{font-weight:700}
p+p{margin-top:16px}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--link-hover)}
button,input{font:inherit}
button{cursor:pointer}
button:disabled{cursor:default}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,video:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--link);outline-offset:4px}
img{display:block;max-width:100%;height:auto}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
[hidden]{display:none!important}
.section-shell{width:min(820px,calc(100% - 48px));margin-inline:auto}
.wide-shell{width:min(1100px,calc(100% - 48px));margin-inline:auto}
.section-space{padding-block:58px}
.section-intro{font-size:16px;line-height:1.75;margin-top:15px;max-width:800px;color:#60666c}
.site-header{height:58px;position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid #f1f2f3}
.nav-shell{max-width:1120px;padding-inline:24px;margin:auto;height:100%;display:flex;align-items:center;justify-content:space-between;gap:25px}
.wordmark{display:inline-flex;align-items:center;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:-.3px}
.wordmark>span{color:inherit}
.brand-mark{width:23px;height:23px;margin-right:8px;stroke:var(--accent);stroke-width:1.8}
.site-header nav{display:flex;gap:24px}
.site-header nav a{color:#73777c;font-size:13px}
.site-header nav a:hover,.site-header nav a.active{color:var(--link)}
.nav-paper{font-size:13px}
.nav-paper span{margin-left:8px}
.hero{padding-top:54px;padding-bottom:0}
.hero-copy{text-align:center;max-width:1000px;margin:auto}
.hero h1{font-size:clamp(38px,4.5vw,60px);line-height:1.16;letter-spacing:-1.65px;color:#30343a}
.paper-subtitle{display:block;font-size:34px;line-height:1.35;font-weight:400;letter-spacing:-.4px;max-width:1000px;margin:16px auto 0;color:#454a50}
.title-phrase{white-space:nowrap}
.authors{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;font-size:17px;margin-top:22px;color:#454a50}
.authors>span{white-space:nowrap}
.authors a{color:var(--link)}
.authors sup,.affiliation sup{font-size:.68em;margin-left:2px}
.affiliation{font-size:16px;line-height:1.6;color:#686e75;margin:9px 0 0}
.resource-links{display:flex;align-items:center;justify-content:center;gap:30px;flex-wrap:wrap;margin-top:16px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:7px 0;min-height:38px;font-size:15px;color:var(--link);font-weight:400;border-bottom:1px solid transparent}
.button:hover{border-bottom-color:var(--link)}
.button svg{width:19px;height:19px}
.hero-showcase{max-width:800px;margin:32px auto 0}
.showcase-topline{display:flex;justify-content:space-between;gap:15px;font-size:13px;color:var(--muted);padding-bottom:8px}
.showcase-topline>span:first-child{font-weight:700;color:#4e5359}
.hero-video-frame{position:relative;aspect-ratio:4/3;background:#25282b;overflow:hidden}
.hero-video-frame video{display:block;width:100%;height:100%;object-fit:contain}
.hero-play{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:10px;padding:12px 19px;border:1px solid #ffffff75;border-radius:3px;color:#fff;background:#202429d9;font-size:14px;white-space:nowrap}
.hero-play:hover{background:#15191def}
.hero-play svg{width:16px;height:16px;fill:currentColor;stroke:none}
.hero-task-picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:8px;border-bottom:1px solid var(--line)}
.hero-task-picker button{background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;color:#73777c;font-size:14px;padding:11px 5px;line-height:1.4;min-height:44px}
.hero-task-picker button:hover{color:var(--link)}
.hero-task-picker button[aria-pressed=true]{color:var(--link);border-bottom-color:var(--link)}
.hero-media-note{font-size:13px;text-align:center;color:var(--muted);margin-top:12px;line-height:1.6}
.overview{padding-block:52px 58px}
.split-heading{display:block}
.lead-copy{font-size:16px;line-height:1.85;margin-top:17px;color:#555b61}
.lead-copy strong{color:var(--ink)}
/* An interactive figure within the research article. */
.playground-section{background:linear-gradient(145deg,#fcf5ee 0%,#f5efe7 55%,#faf7f2 100%);border-block:1px solid #e8ddd1;padding-block:60px}
.lab-heading{max-width:820px;margin-inline:auto}
.lab-heading h2{font-size:32px;font-weight:400}
.lab-heading .section-intro{margin-top:14px}
.lab-controls{display:flex;align-items:center;justify-content:space-between;gap:52px;margin:30px 0 22px;padding-top:22px;border-top:1px solid var(--line)}
.control-label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}
.lab-modes{display:flex;gap:4px;padding:3px;background:#efe8df;border-radius:4px}
.lab-modes button{border:1px solid transparent;background:transparent;padding:10px 14px;border-radius:3px;font-size:13px;line-height:1.4;color:#656b73;white-space:nowrap;min-height:40px}
.lab-modes button[aria-pressed=true]{background:#fff;border-color:#d7948e;color:var(--link)}
.lab-modes button[data-lab-mode=a][aria-pressed=true]{color:#426491;border-color:#c0cedf}
.lab-modes button[data-lab-mode=b][aria-pressed=true]{color:#816295;border-color:#d7c6e1}
.expert-dot{display:inline-block;width:5px;height:5px;border-radius:50%;margin-right:6px}
.expert-a{background:#7897bd}.expert-b{background:#b293c1}
.lab-slider{flex:1;max-width:430px;min-width:0}
.lab-slider-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:13px}
.lab-slider-heading output{font-size:16px;font-variant-numeric:tabular-nums;color:var(--link)}
.lab-slider input{display:block;width:100%;height:24px;margin:8px 0 2px;accent-color:var(--accent);cursor:pointer}
.range-labels{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted)}
.lab-panels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.lab-panel{min-width:0;padding:19px;background:#fff;border:1px solid #dde1e5;border-radius:4px;overflow:hidden}
.lab-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}
.lab-panel h3{font-size:20px;line-height:1.3;font-weight:400}
.scene-badge{font-size:11px;color:var(--success);white-space:nowrap}
.has-mismatch .scene-badge{color:var(--error)}
.lab-plot{position:relative;height:330px;margin:16px -19px 0;overflow:hidden}
.lab-plot canvas{display:block;width:100%;height:100%;cursor:grab;touch-action:pan-y}
.lab-plot canvas:active{cursor:grabbing}
.scene-loading{font-size:13px;color:var(--muted);text-align:center;padding:90px 20px}
.lab-readout{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding-top:14px}
.lab-readout>div{display:flex;flex-direction:column;gap:4px}
.lab-readout>div:last-child{text-align:right}
.lab-readout span{font-size:12px;color:var(--muted)}
.lab-readout strong{font-size:28px;line-height:1.2;font-weight:400;font-variant-numeric:tabular-nums;color:#434a51}
.lab-panel.has-mismatch #error-specific{color:var(--error)}
.lab-panel-shared #error-shared{color:var(--success)}
.lab-explanation{margin-top:12px;font-size:12px;line-height:1.7;color:var(--muted);min-height:3.4em}
.lab-playback{display:flex;align-items:center;gap:22px;margin-top:20px}
.playback-buttons{display:flex;gap:8px}
.lab-playback button{background:#fff;color:#525d68;border:1px solid #d2d8de;border-radius:3px;padding:8px 12px;font-size:12px;min-height:38px;white-space:nowrap}
.lab-playback button:hover{background:#faf1eb}
.lab-playback button:disabled{opacity:.4}
.playback-buttons button:first-child{color:var(--link);border-color:#dba49d}
.playback-buttons button:first-child span{font-size:16px;margin-right:4px}
.motion-track{flex:1;display:flex;align-items:center;gap:14px}
.motion-track label{font-size:11px;white-space:nowrap;color:var(--muted)}
.motion-track progress{appearance:none;-webkit-appearance:none;width:100%;height:2px;border:0;background:#d8dde2}
.motion-track progress::-webkit-progress-bar{background:#d8dde2}
.motion-track progress::-webkit-progress-value{background:var(--accent)}
.motion-track progress::-moz-progress-bar{background:var(--accent)}
.lab-bottom-note{display:flex;justify-content:space-between;align-items:start;gap:25px;margin-top:19px}
.lab-note,.lab-bottom-note>span{font-size:11px;line-height:1.7;color:var(--muted)}
.lab-bottom-note>span{text-align:right;white-space:nowrap}
.lab-math{border-top:1px solid var(--line);margin-top:20px;padding-top:13px}
.lab-math summary,.content-details summary{cursor:pointer;color:var(--link);font-size:14px;font-weight:400;padding-block:6px}
.lab-math-body{padding-top:15px;font-size:14px;line-height:1.8;color:#626a73}
.lab-equations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-block:18px}
.lab-equations>div{padding:18px;background:#fff;border:1px solid var(--line);min-width:0}
.lab-equations h4{margin:0 0 12px;font-size:15px;font-weight:700;color:var(--ink)}
.lab-equations p+p{margin-top:5px}
.lab-equations code{display:block;margin-top:10px;white-space:normal;overflow-wrap:anywhere;font-size:13px;color:#7d443c}
.lab-equations output{display:block;font-size:14px;color:var(--error);margin-top:6px;font-variant-numeric:tabular-nums}
.interface-section{border-bottom:1px solid #f0f1f2}
.interface-figure,.method-figure{margin-top:25px}
.interface-figure img,.method-figure img{width:100%}
.interface-figure figcaption,.method-figure figcaption{margin-top:13px;font-size:13px;line-height:1.7;color:var(--muted)}
.content-details{margin-top:20px;border-top:1px solid var(--line);padding-top:10px}
.content-details>p{font-size:14px;line-height:1.8;color:#626a73;margin-top:12px}
.content-details .table-scroll{margin-top:16px}
.method-section{border-bottom:1px solid #f0f1f2}
.proof-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--line);padding-block:20px;margin-top:25px}
.proof-strip>a{display:flex;flex-direction:column;gap:3px;padding-inline:20px;border-right:1px solid var(--line);color:var(--ink)}
.proof-strip>a:first-child{padding-left:0}
.proof-strip>a:last-child{border-right:0}
.proof-label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--link)}
.proof-label>span{font-size:12px}
.proof-strip strong{font-size:35px;font-weight:400;line-height:1.5;letter-spacing:-1px;color:#454b51;font-variant-numeric:tabular-nums}
.proof-strip strong>span{font-size:20px;color:#828a92;margin-left:2px}
.proof-context{font-size:11px;line-height:1.6;color:var(--muted)}
.result-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:28px;border-bottom:1px solid var(--line)}
.result-tabs button{min-width:0;text-align:left;background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;padding:15px 13px;font-size:16px;font-weight:400;color:#737b83}
.result-tabs button[aria-selected=true]{color:var(--link);border-bottom-color:var(--link)}
.result-tabs button span{display:block;margin-top:5px;font-size:11px;font-weight:400;overflow-wrap:anywhere}
.result-panel{padding-top:26px}
.result-summary{display:grid;grid-template-columns:1fr 1.1fr;gap:35px;align-items:center;margin-bottom:25px}
.result-number{font-size:47px;font-weight:400;letter-spacing:-1.8px;color:#414850;white-space:nowrap;font-variant-numeric:tabular-nums;line-height:1.2}
.number-arrow{font-size:.5em;color:#99a6b1;margin-inline:9px;vertical-align:middle}
.unit{font-size:.5em;color:#7a8691;margin-left:2px}
.result-number p{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0;white-space:normal;line-height:1.7;margin-top:10px}
.result-summary h3{font-size:21px;margin-bottom:10px}
.result-summary>div>p{font-size:14px;line-height:1.8;color:#737b83}
.result-details{margin-top:0}
.table-scroll{overflow-x:auto;border-top:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:14px;font-variant-numeric:tabular-nums;text-align:left}
caption{font-size:12px;color:var(--muted);text-align:left;caption-side:bottom;padding-block:12px}
th,td{padding:11px 13px;border-bottom:1px solid #eceef0}
th{font-weight:400}
thead{font-size:12px;color:#7c8187}
td,thead th:not(:first-child){text-align:right}
th:first-child{width:46%}
tbody th span{font-size:11px;color:var(--muted);margin-left:6px}
.reference-row{background:#f6f7f8}
.group-start>*{border-top:1px solid #cbd1d7}
.ours-row,.ours-cell{background:#faebe5;color:#a43f37}
.ours-row>*,.ours-cell{font-weight:700}
.result-note{font-size:12px;color:var(--muted);line-height:1.8;margin-top:7px}
.footer{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-block:27px;margin-top:10px;border-top:1px solid var(--line)}
.footer .wordmark{font-size:16px}
.footer p{font-size:12px;color:var(--muted)}
.footer>span{font-size:11px;color:var(--muted)}
.skip-link{position:absolute;top:-70px;left:15px;z-index:30;padding:10px 20px;background:#fff;color:var(--link);border:1px solid var(--link)}
.skip-link:focus{top:10px}
.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}
@media(max-width:900px){
 .site-header nav{gap:17px}.hero{padding-top:42px}.hero h1{font-size:48px}.paper-subtitle{font-size:30px}.hero-showcase{max-width:740px}.lab-controls{gap:25px}.lab-slider{max-width:360px}.lab-panel{padding:16px}.lab-panel h3{font-size:18px}.lab-plot{height:300px;margin-inline:-16px}.scene-badge{font-size:10px}.lab-playback{gap:15px}.motion-track{flex-direction:column;align-items:start;gap:5px}.lab-bottom-note>span{white-space:normal;max-width:150px}
}
@media(max-width:640px){
 html{scroll-padding-top:70px}.section-shell,.wide-shell{width:calc(100% - 36px)}.section-space{padding-block:42px}.site-header{height:52px}.nav-shell{padding-inline:18px;gap:15px}.wordmark{font-size:16px}.brand-mark{width:20px;height:20px;margin-right:6px}.site-header nav{gap:13px}.site-header nav a{font-size:11px}.site-header nav a[href="#overview"],.site-header nav a[href="#method"],.nav-paper{display:none}.hero{padding-top:36px}.hero h1{font-size:38px;letter-spacing:-1px;line-height:1.18}.paper-subtitle{font-size:26px;line-height:1.4;letter-spacing:-.2px;margin-top:14px}.authors{font-size:14px;margin-top:19px}.resource-links{gap:23px;margin-top:12px}.button{font-size:13px;gap:6px}.button svg{width:16px;height:16px}.hero-showcase{margin-top:25px}.showcase-topline{font-size:12px}.hero-play{font-size:13px;padding:11px 16px}.hero-task-picker button{font-size:11px;padding:10px 3px}.hero-media-note{font-size:12px;line-height:1.65;margin-top:10px}.overview{padding-block:35px 42px}h2,.lab-heading h2{font-size:28px}.lead-copy{font-size:15px;line-height:1.85;margin-top:13px}.section-intro{font-size:15px;line-height:1.8;margin-top:13px}.playground-section{padding-block:38px}.lab-controls{flex-direction:column;align-items:stretch;gap:21px;padding-top:20px;margin-top:23px}.lab-slider{max-width:none}.lab-modes{width:100%}.lab-modes button{flex:1;font-size:12px;padding-inline:8px}.lab-modes button:last-child{flex:1.25}.lab-panels,.lab-equations{grid-template-columns:1fr;gap:16px}.lab-panel{padding:16px}.lab-panel h3{font-size:19px}.lab-plot{height:300px;margin-inline:-16px}.scene-badge{font-size:10px}.lab-explanation{min-height:0}.lab-readout strong{font-size:28px}.lab-playback{flex-wrap:wrap;justify-content:space-between;gap:13px 8px}.lab-playback button{font-size:11px;padding:8px 10px}.playback-buttons{gap:6px}.motion-track{order:3;flex-basis:100%;flex-direction:row;align-items:center;gap:12px}.lab-bottom-note{flex-direction:column;gap:7px;margin-top:17px}.lab-bottom-note>span{text-align:left;max-width:none}.lab-math-body{font-size:13px}.lab-equations>div{padding:15px}.lab-equations code{font-size:12px}.interface-figure,.method-figure{margin-top:20px}.interface-figure figcaption,.method-figure figcaption{font-size:12px}.content-details summary,.lab-math summary{font-size:13px}.content-details>p{font-size:13px}.proof-strip{padding-block:16px;margin-top:21px}.proof-strip>a{padding-inline:10px}.proof-label{font-size:11px;line-height:1.4;min-height:31px}.proof-label>span{display:none}.proof-strip strong{font-size:29px}.proof-strip strong>span{font-size:16px}.proof-context{font-size:10px}.result-tabs{margin-top:23px}.result-tabs button{font-size:13px;padding:12px 7px}.result-tabs button span{font-size:10px;line-height:1.5}.result-summary{grid-template-columns:1fr;gap:21px;margin-bottom:23px}.result-number{font-size:45px}.result-summary h3{font-size:21px}.result-summary>div>p{font-size:13px}.result-panel{padding-top:22px}table{min-width:340px;font-size:12px}th,td{padding:10px 8px}thead{font-size:11px}tbody th span{display:block;margin-left:0;font-size:10px}.result-note{font-size:11px}.footer{flex-wrap:wrap;gap:10px;margin-top:0}.footer p{font-size:11px}.footer>span{width:100%;font-size:10px}
}
@media(max-width:360px){.site-header nav{gap:9px}.site-header nav a{font-size:10px}.brand-mark{width:18px;height:18px}.hero h1{font-size:34px}.paper-subtitle{font-size:22px}.resource-links{gap:18px}.button{font-size:12px}.hero-task-picker button{font-size:10px}.lab-panel h3{font-size:17px}.lab-plot{height:270px}.lab-modes button{font-size:11px}.proof-strip strong{font-size:26px}.proof-label{font-size:10px}.proof-context{font-size:9px}}
/* Vermilion accents connect the project page to the paper's figures. */
.site-header{background:rgba(255,254,250,.94);backdrop-filter:blur(12px);border-bottom-color:var(--line)}
.hero h1>.title-phrase{color:var(--accent)}
.hero-copy:before{content:"";display:block;width:44px;height:3px;background:var(--accent);margin:0 auto 24px}
.hero h1{color:var(--ink)}
.resource-links .button{border:1px solid var(--line);border-radius:6px;padding:9px 16px;background:#fffdfa}
.resource-links .button:first-child{background:var(--accent);color:white;border-color:var(--accent)}
.resource-links .button:hover{box-shadow:0 3px 12px #70443412;border-color:#d59a91}
.resource-links .button:disabled,.resource-links .button:disabled:hover{color:var(--muted);background:var(--wash);border-color:var(--line);box-shadow:none;cursor:default}
.hero-video-frame{border-radius:9px;box-shadow:0 14px 34px #51351c12}
.hero-play{background:#aa3e36e8;border-color:#ffffff80;border-radius:6px}
.hero-play:hover{background:#87332ff0}
.hero-task-picker button[aria-pressed=true]{background:linear-gradient(0deg,var(--accent-soft),transparent)}
.eyebrow{display:block;font-size:10px;font-weight:700;letter-spacing:2px;color:var(--link);margin-bottom:12px}
.lab-heading{max-width:none;display:grid;grid-template-columns:1.2fr 1fr;column-gap:65px;align-items:end}
.lab-heading>.eyebrow{grid-column:1/-1}
.lab-heading h2{font-size:36px;line-height:1.22;letter-spacing:-.7px}
.lab-heading h2 span{color:var(--link)}
.lab-heading .section-intro{margin:0;color:#75685e;font-size:15px}
.lab-presets{display:flex;gap:9px;align-items:center;margin-top:26px;flex-wrap:wrap}
.lab-presets>span{font-size:11px;color:var(--muted);margin-right:6px}
.lab-presets button{border:1px solid #ded2c6;border-radius:5px;background:#fffdfa;font-size:10px;color:#9b8b7b;padding:8px 12px;min-height:36px}
.lab-presets button span{font-size:12px;margin-left:7px;color:#6c625a}
.lab-presets button[aria-pressed=true]{background:var(--accent-soft);border-color:#d9a199;color:var(--link)}
.lab-presets button[aria-pressed=true] span{color:var(--link)}
.lab-controls{display:grid;grid-template-columns:1.12fr 1fr 1fr;gap:32px;margin:23px 0 24px}
.lab-slider{max-width:none;width:100%}.lab-slider input{margin-top:11px}
.lab-modes{border:1px solid #e7ddd2}.lab-modes button{padding-inline:10px;font-size:12px}
.mixture-control.is-disabled{opacity:.5}
.lab-panel{border:1px solid #ddd6ce;border-top:3px solid var(--contrast);border-radius:8px;padding:20px;background:#fffefa;box-shadow:0 8px 24px #5c3e1f06}
.lab-panel-shared{border-top-color:var(--accent)}
.panel-kicker{display:block;font-size:9px;font-weight:700;letter-spacing:1.2px;color:#7f8c98;margin-bottom:7px}
.lab-panel-shared .panel-kicker{color:var(--link)}
.lab-panel h3{font-weight:700;font-size:19px;letter-spacing:-.3px}
.scene-badge{padding:4px 8px;background:#eff3ec;border-radius:20px;font-size:10px}
.has-mismatch .scene-badge{background:#eef2f5}
.lab-plot{margin:18px -20px 0;height:325px}
.lab-readout{padding-top:18px;margin-top:0}.lab-readout strong{font-size:30px;font-weight:700;letter-spacing:-.6px}
.lab-panel-shared #action-shared{color:var(--accent)}
.lab-panel-shared #error-shared{color:var(--ink)}
.lab-playback{padding:13px 16px;background:#fffaf4;border:1px solid var(--line);border-radius:6px;margin-top:16px}
.motion-track{gap:12px;flex-direction:row;align-items:center}
.motion-track input{width:100%;min-width:45px;height:24px;accent-color:var(--accent);cursor:ew-resize}
.motion-track output{font-size:11px;color:var(--link);font-variant-numeric:tabular-nums;min-width:31px;text-align:right}
.lab-analysis{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:32px;padding-top:27px;border-top:1px solid #dfd2c5}
.lab-analysis h3{font-size:18px;font-weight:700;letter-spacing:-.25px}
.lab-analysis .eyebrow{font-size:9px;margin-bottom:8px}
.parameter-panel>p,.sweep-panel>p{font-size:12px;line-height:1.65;color:var(--muted);margin-top:9px}
.parameter-head,.parameter-row{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:4px;align-items:center}
.parameter-head{font-size:10px;color:var(--muted);margin-top:20px;padding:0 9px 7px}
.parameter-head span:not(:first-child),.parameter-row output{text-align:right}
.parameter-row{padding:9px;border-top:1px solid var(--line);font-size:12px;font-variant-numeric:tabular-nums}
.parameter-merged{background:#eaf0f3;border-top:1px solid #bacad4;color:#47647b;font-weight:700;border-radius:0 0 4px 4px}
.parameter-merged output:last-child{font-size:15px}
.shared-equation{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--accent-soft);padding:10px 9px;border-radius:4px;color:var(--link);font-size:12px;margin-top:8px;font-variant-numeric:tabular-nums}
.shared-equation strong{font-size:15px}.shared-equation b{font-weight:400}
.sweep-legend{display:flex;gap:18px;font-size:10px;color:var(--muted);margin-top:13px}
.sweep-legend span{display:flex;align-items:center;gap:6px}.sweep-legend i{width:14px;height:2px;background:var(--contrast)}.sweep-legend span:nth-child(2) i{background:var(--accent)}.sweep-legend span:last-child{margin-left:auto}
#mixture-chart{width:100%;height:auto;display:block;stroke:none;cursor:crosshair;margin-top:5px;overflow:visible}
.chart-grid path{stroke:#ddd5cd;stroke-width:.7;fill:none}.chart-labels{fill:#877b70;font-size:10px}
#sweep-area{fill:#6f91af18;stroke:none}#sweep-specific{stroke:var(--contrast);stroke-width:2.5;fill:none}#sweep-shared{stroke:var(--accent);stroke-width:2.5}
#sweep-cursor{stroke:#a99d91;stroke-width:1;stroke-dasharray:3 4}#sweep-dot{fill:var(--contrast);stroke:#fffefa;stroke-width:2}#sweep-shared-dot{fill:var(--accent);stroke:#fffefa;stroke-width:2}
.proof-strip strong,.result-number{color:var(--accent)}
.proof-strip{background:linear-gradient(100deg,#fdf3ed,#fffefa);padding:22px 20px;border-radius:6px;border:1px solid var(--line)}
.proof-strip>a:first-child{padding-left:0}.result-tabs button[aria-selected=true]{background:linear-gradient(0deg,#faeee7,transparent)}
.number-arrow{color:#bca395}.unit{color:#b97067}
@media(max-width:1000px){.lab-controls{grid-template-columns:1fr 1fr;gap:20px}.lab-mode-control{grid-column:1/-1}.lab-modes{width:fit-content}.lab-heading{column-gap:30px}.lab-analysis{gap:24px}.motion-track label{display:none}}
@media(max-width:640px){
 .hero-copy:before{margin-bottom:19px}.resource-links{gap:9px}.resource-links .button{padding:8px 10px}
 .lab-heading{display:block}.lab-heading h2{font-size:28px}.lab-heading .section-intro{margin-top:15px}
 .lab-presets{gap:6px}.lab-presets>span{width:100%}.lab-presets button{padding:7px 9px}.lab-presets button span{font-size:10px;margin-left:4px}
 .lab-controls{grid-template-columns:1fr 1fr;gap:18px}.lab-modes{width:100%}.lab-slider-heading{font-size:11px;gap:6px}.lab-slider-heading output{font-size:13px}.range-labels{font-size:9px}
 .lab-panel{padding:16px}.lab-plot{margin-inline:-16px;height:285px}.lab-panel h3{font-size:18px}
 .lab-playback{padding:10px}.motion-track{order:3;flex-basis:100%}.motion-track label{display:block}
 .lab-analysis{grid-template-columns:1fr;gap:26px}.sweep-panel{padding-top:22px;border-top:1px solid var(--line)}
 .parameter-head{font-size:9px}.parameter-row{font-size:11px}.shared-equation{font-size:11px}
 .proof-strip{padding:16px 10px}.proof-strip>a{padding-inline:8px}.proof-strip strong{font-size:28px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}