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h1{font-size:clamp(30px,4vw,48px);line-height:1.45;letter-spacing:-1.8px;max-width:850px;margin:16px 0 20px}.article-summary{font-size:16px;color:#adbcd0;line-height:1.95;max-width:780px}.article-meta{font-size:10px;color:#8092a9;line-height:2;margin:24px 0}.reading{display:grid;grid-template-columns:minmax(0,1fr) 235px;gap:55px;margin-top:38px}.prose{font-size:14px;line-height:2.2;color:#b4c1d1}.prose h2{font-size:22px;line-height:1.6;color:#ecf2fa;margin:35px 0 15px;letter-spacing:-.5px}.prose h3{color:#e4ecf6;font-size:16px}.prose p{margin:0 0 20px;word-break:keep-all;overflow-wrap:anywhere}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.prose ul{padding-left:22px}.source-box,.try-box{background:#0d1724;border:1px solid var(--line);border-radius:9px;padding:20px;margin:30px 0}.source-box li{font-size:12px;overflow-wrap:anywhere}.toc{position:sticky;top:25px;align-self:start;padding:20px;border:1px solid var(--line);border-radius:8px}.toc 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@media(min-width:1600px){.hero-copy{left:12%;top:25%}.hero-art{object-position:center}.destination-bar,.hero-tools{left:8%;right:8%}}
@media(max-width:1050px){.nav{gap:18px}.system{display:none}.hero-copy{left:6%}.destination{padding:12px 9px;gap:8px}.destination .arrow{display:none}.orb{width:27px;height:27px}.feature-strip{gap:24px}.hero{min-height:790px}.reading{gap:30px;grid-template-columns:minmax(0,1fr) 190px}}
@media(max-width:700px){.topbar{height:69px;padding:0 5%}.brand{font-size:20px;letter-spacing:3px}.brand svg{width:27px}.brand small{font-size:6px}.nav{display:none}.outline{font-size:10px;padding:10px 12px}.hero{height:910px;min-height:0;max-height:none}.hero-art{height:69%;top:180px;object-position:68% 50%;opacity:.92}.hero:before{background:linear-gradient(#050912 6%,#050912b0 34%,transparent 62%,#070b12 82%)}.hero-copy{left:7%;right:7%;top:125px}.eyebrow{font-size:8px;letter-spacing:1.7px}h1{font-size:46px;letter-spacing:-2.8px;margin:23px 0 20px}.lead{font-size:12px}.cta-row{margin-top:24px;gap:9px}.primary,.secondary{padding:14px 16px;font-size:11px;gap:15px}.hero-copy .micro{font-size:9px}.coordinates{display:none}.earth-label{top:60%;right:8%;font-size:11px}.earth-label:before{width:30px}.hero-tools{bottom:254px;left:6%;right:6%}.hero-tools .readout strong{font-size:18px}.hero-tools .readout{font-size:7px}.destination-bar{left:5%;right:5%;bottom:24px;padding-top:17px}.destinations{grid-template-columns:repeat(3,1fr);gap:8px}.destination{padding:13px 8px}.destination b{font-size:10px}.destination small{font-size:6px;letter-spacing:.5px}.bar-head{font-size:7px;letter-spacing:1.5px}.text-button{font-size:10px}.content{padding:45px 6%}.section-head{align-items:start;flex-direction:column;gap:14px}h2{font-size:25px}.section-head p{font-size:11px}.journeys{grid-template-columns:1fr;gap:20px}.card-art{height:210px}.card h3{font-size:20px}.card p{font-size:12px}.feature-strip,.article-grid{grid-template-columns:1fr;gap:22px}.feature-strip{margin:40px 0;padding:30px 0}.feature-strip p{font-size:12px}.article-card{padding:17px 0}.site-footer{align-items:start;flex-direction:column;gap:18px}.flight-top{top:15px;left:16px;right:16px}.flight-heading .brand{display:none}.flight-chip{font-size:8px;padding:8px 10px}.flight-side{top:72px;left:15px;width:205px;padding:15px}.flight-side h2{font-size:24px;margin:10px 0}.flight-side p{font-size:10px}.flight-side .facts{margin:12px 0;gap:9px}.facts strong{font-size:10px}.flight-side .science{font-size:8px;padding-top:8px;line-height:1.7}.flight-side .primary{padding:10px}.mission{padding:9px;margin-top:12px}.mission p{font-size:10px}.flight-side a{font-size:9px;margin-top:10px}.flight-bottom{left:16px;right:16px;bottom:max(19px,env(safe-area-inset-bottom));align-items:end}.flight-buttons{gap:6px;max-width:220px}.flight-buttons button{font-size:10px;padding:11px}.flight-speed strong{font-size:20px}.flight-speed{font-size:8px}.flight-controls{right:17px;bottom:115px;grid-template-columns:repeat(2,41px)}.flight-controls button{width:41px;height:41px}.flight-hint{display:none}.crosshair{left:58%;top:59%}.paused-label{top:72px;right:15px;font-size:8px;padding:8px}.quality{font-size:9px;padding:6px}.library-grid{grid-template-columns:1fr}.article-layout{padding:32px 6% 50px}.reading{grid-template-columns:1fr;gap:15px}.toc{position:static;grid-row:1;padding:15px}.toc a{display:inline-block;margin:10px 12px 0 0}.article-summary{font-size:14px}.prose{font-size:14px}.article-layout h1{font-size:32px}.help-grid{grid-template-columns:85px 1fr;font-size:11px;gap:15px}.dialog-head h2{font-size:21px}dialog{padding:21px}.map-field{height:300px}.map-point{font-size:10px}.mobile-nav{display:flex;gap:19px;font-size:11px;color:#9cacbf;margin-top:22px}.card-art .label{font-size:7px}}
.flight-top{z-index:4}.crosshair{left:63%}
@media(min-width:701px){.hero{min-height:900px}.hero-copy{top:20%}.hero-tools{bottom:175px}}
@media(min-width:701px) and (max-width:1050px){.hero{min-height:910px}.hero-copy{top:21%}.flight-side{width:225px;padding:17px}.flight-side .facts{margin:12px 0}.flight-side h2{font-size:25px}.flight-hint{display:none}.mission{padding:9px;margin-top:12px}}
@media(max-width:700px){.crosshair{left:63%;top:57%}.flight-side{width:190px}.flight-side #targetDescription{display:none}.flight-side .facts{grid-template-columns:1fr}.flight-side .facts>div:first-child{display:none}.flight-side .science{line-height:1.6}.mission p{line-height:1.65}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

.deep-journeys{padding:50px 0}.deep-journeys h2{font-size:32px;margin:15px 0}.deep-journeys>p{color:#9aaabc;line-height:1.8}.deep-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}.deep-links button{text-align:left;padding:30px 24px;min-height:180px;border:1px solid #ffffff20;border-radius:16px;color:#c5d4e6;background:radial-gradient(ellipse at 80% 10%,#6358a344,transparent 70%),#0c121e;cursor:pointer}.deep-links button:nth-child(2){background:radial-gradient(ellipse at 90% 5%,#16888d55,transparent 70%),#11171e}.deep-links button:nth-child(3){background:radial-gradient(ellipse at 90% 5%,#bd541c44,transparent 70%),#171017}.deep-links span{display:block;font-size:10px;letter-spacing:2px;color:#a2b0c5}.deep-links strong{display:block;margin:24px 0 14px;font-size:27px;color:#fff}.deep-links button:hover{border-color:#c3f38b;transform:translateY(-3px)}.flight-controls [data-hold="boost"]{color:#c3f38b;font-size:14px}@media(max-width:700px){.deep-links{grid-template-columns:1fr}.deep-links button{min-height:150px}.flight-controls{flex-wrap:wrap;max-width:240px}}

@media(min-width:701px){.flight-side{max-height:calc(100vh - 205px);overflow-y:auto}.flight-hint{bottom:88px;left:28px;font-size:10px}.flight-controls{grid-template-columns:repeat(2,46px)}.flight-controls [data-hold="boost"]{grid-column:1/-1;justify-self:end}}

@media(min-width:701px){.flight-side{max-height:calc(100vh - 255px);scrollbar-width:thin;scrollbar-color:#34435b transparent}}

.flight.brief-hidden .flight-side,.flight.brief-hidden .flight-hint{display:none}

/* Flight interface v3: stable aligned panels, visible labels, no anonymous help icons. */
.flight-top{top:18px;left:22px;right:22px;gap:16px;z-index:5}.flight-top-actions,.flight-heading{display:flex;gap:10px;align-items:center}.compact-setting{display:flex;align-items:center;gap:6px;color:#9aadc2;font-size:10px;white-space:nowrap}.quality{min-height:36px}.flight-top .outline{min-height:38px}.flight-chip{white-space:nowrap}.survey-card{position:absolute;left:24px;top:88px;width:252px;padding:20px;border:1px solid #bcd8f02a;border-radius:14px;background:#09121fe8;backdrop-filter:blur(12px)}.survey-eyebrow{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px;color:#b5de8f}.survey-card h2{font-size:29px;margin:16px 0}.survey-card #surveyStep{font-size:12px;font-weight:600;color:#eef5ff;margin:0 0 8px}.survey-card #surveyHint{font-size:11px;line-height:1.7;color:#9db0c7;min-height:38px;margin:0 0 15px}.survey-card progress{display:block;width:100%;height:4px;accent-color:#c3f38b;margin-bottom:16px;border:0}.survey-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.survey-actions button{font-size:11px;min-height:38px;padding:9px 6px;text-align:center;justify-content:center;white-space:nowrap}.survey-actions button:disabled{opacity:.38;cursor:default}.distance-line{margin-top:16px;border-top:1px solid #ffffff14;padding-top:12px;color:#879db5;font-size:10px}.distance-line>span{float:right;color:#d2e0ee;font-variant-numeric:tabular-nums}.distance-line small{display:block;margin-top:6px;font-size:8px;color:#75869b}.flight-side{display:none;top:88px;left:auto;right:24px;width:265px;max-height:calc(100dvh - 240px);overflow:auto;padding:20px;z-index:4}.flight.details-open .flight-side{display:block}.flight-side #targetDescription{display:block}.flight-side .facts{display:grid;grid-template-columns:1fr 1fr}.flight-side .facts>div:first-child{display:block}.flight-side .mission{margin-bottom:0}.flight-bottom{bottom:20px;left:24px;right:24px;align-items:center;gap:24px}.flight-buttons{display:grid;grid-template-columns:repeat(6,minmax(72px,1fr));gap:7px;max-width:none}.flight-buttons button{min-height:43px;padding:10px 14px;white-space:nowrap}.flight-buttons [aria-pressed=true]{border-color:#c3f38b66;color:#c3f38b;background:#16261f}.flight-speed{min-width:95px}.flight-speed strong{font-variant-numeric:tabular-nums}.flight-controls{right:24px;bottom:108px;grid-template-columns:repeat(3,46px);gap:7px;max-width:none}.flight-controls button{width:46px;height:46px;font-size:11px}.flight-controls [data-hold=boost]{grid-column:1;grid-row:1/3;align-self:center;justify-self:center}.flight-controls [data-hold=forward]{grid-column:2}.flight-controls [data-hold=back]{grid-column:3}.flight-controls [data-hold=left]{grid-column:2}.flight-controls [data-hold=right]{grid-column:3}.flight-hint{left:24px;bottom:90px;line-height:2.1;display:block;font-size:10px}.flight-hint kbd{display:inline-block;font:9px sans-serif;color:#cbd9e7;border:1px solid #ffffff28;border-radius:4px;padding:0 5px;margin-right:4px;background:#0c1522}.crosshair{left:58%;top:50%;opacity:.5}.toast{max-width:min(460px,calc(100vw - 32px));bottom:82px;pointer-events:none}.paused-label{top:76px;right:24px;z-index:5}.map-point{min-height:32px;white-space:nowrap}
@media(max-width:1000px) and (min-width:701px){.flight-top{left:16px;right:16px}.flight-heading{gap:6px}.flight-chip{font-size:8px;padding:8px}.compact-setting{font-size:9px;gap:4px}.survey-card{left:16px;width:220px;padding:16px}.flight-bottom{left:16px;right:16px;gap:10px}.flight-buttons button{font-size:10px;padding:10px 7px}.flight-buttons{grid-template-columns:repeat(6,minmax(64px,1fr))}.flight-side{right:16px;width:240px}.flight-hint{font-size:9px}}
@media(max-width:700px){.flight-top{top:12px;left:12px;right:12px;display:grid;grid-template-columns:1fr;gap:8px}.flight-heading{justify-content:space-between;gap:4px}.flight-top-actions{position:absolute;top:49px;right:0;flex-direction:column;align-items:stretch;gap:7px}.flight-top-actions button{font-size:10px;padding:9px;min-height:34px}.compact-setting{font-size:9px;gap:4px}.quality{min-height:31px;padding:5px}.flight-chip{font-size:8px;padding:8px}.survey-card{top:65px;left:12px;width:calc(100% - 125px);max-width:270px;padding:12px}.survey-eyebrow{font-size:9px}.survey-card h2{font-size:23px;margin:9px 0}.survey-card #surveyHint{font-size:10px;line-height:1.6;min-height:0;margin-bottom:10px}.survey-card #surveyStep{font-size:10px;margin-bottom:5px}.survey-card progress{margin-bottom:10px}.survey-actions{gap:5px}.survey-actions button{font-size:9px;min-height:33px;padding:7px 4px}.distance-line{display:none}.flight-side{top:270px;left:12px;right:12px;width:auto;max-height:calc(100dvh - 445px);padding:15px;background:#09121ff5}.flight-side .science{font-size:9px}.flight-bottom{bottom:max(12px,env(safe-area-inset-bottom));left:12px;right:12px;display:flex;flex-direction:column;align-items:stretch;gap:8px}.flight-buttons{grid-template-columns:repeat(3,1fr);gap:6px;width:100%;max-width:none}.flight-buttons button{min-height:39px;font-size:10px;padding:9px 4px}.flight-speed{display:flex;align-items:center;gap:10px;font-size:8px;min-width:0}.flight-speed strong{font-size:16px;margin:0}.flight-controls{right:12px;bottom:151px;grid-template-columns:repeat(3,40px);gap:6px}.flight-controls button{width:40px;height:40px;font-size:10px}.flight-hint{display:none}.crosshair{left:50%;top:52.5%}.toast{bottom:133px;font-size:11px;padding:12px}.paused-label{top:151px;right:12px;font-size:9px}.flight-side .facts{grid-template-columns:1fr 1fr}.hero-tools .outline{font-size:10px}.map-point{font-size:10px;padding:6px}}
@media(max-height:600px) and (min-width:701px){.survey-card{top:72px;padding:12px}.survey-card h2{font-size:23px;margin:9px 0}.distance-line{display:none}.survey-card #surveyHint{min-height:0}.flight-hint{display:none}}

.lab-panel{position:absolute;top:88px;left:24px;width:280px;padding:19px;border:1px solid #badaef33;border-radius:14px;background:#09121ff0;backdrop-filter:blur(12px);max-height:calc(100dvh - 190px);overflow:auto;scrollbar-width:thin;scrollbar-color:#34435b transparent}.lab-panel h2{font-size:25px;margin:12px 0}.lab-intro{font-size:11px;line-height:1.7;color:#a4b7ca}.lab-presets{display:flex;gap:6px;margin:12px 0}.lab-presets button{flex:1;border:1px solid #a6d7ff33;background:#102239;border-radius:6px;padding:8px;font-size:11px}.lab-panel label{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#d4e2f0;margin:13px 0 8px}.lab-panel output{color:#c3f38b;font-variant-numeric:tabular-nums}.lab-panel input{width:100%;accent-color:#b8ea85}.lab-panel .survey-actions{margin-top:14px}.lab-panel #labStatus{font-size:11px;color:#c3f38b}.lab-panel small{font-size:9px;color:#8299b0;line-height:1.6;display:block}.lab-open .survey-card{display:none}.flight-top-actions [aria-pressed=true]{border-color:#c3f38b;color:#c3f38b}.lab-panel[hidden]{display:none}.lab-open .flight-hint{display:none}@media(max-width:1000px) and (min-width:701px){.flight-top-actions{gap:5px}.flight-top-actions .outline{font-size:9px;padding:8px}.flight-heading .compact-setting{font-size:0}.lab-panel{left:16px;width:250px}}@media(max-width:700px){.lab-panel{top:65px;left:12px;width:calc(100% - 125px);max-width:285px;max-height:calc(100dvh - 290px);padding:12px}.lab-panel h2{font-size:22px;margin:8px 0}.lab-intro{font-size:10px}.lab-panel label{font-size:10px;margin:9px 0 5px}.lab-panel .survey-actions button{font-size:9px}.lab-presets button{font-size:10px;padding:7px 3px}.lab-panel small{font-size:8px}.lab-open .flight-side{top:65px;left:12px;right:12px;max-height:calc(100dvh - 240px)}}

@media(min-width:701px) and (max-width:1000px){.flight-heading .compact-setting{font-size:9px}}

.lab-presets{flex-direction:column}.lab-presets button{text-align:left;padding:10px 12px}.lab-presets button:before{content:"↗";display:inline-block;width:23px;color:#c3f38b}.lab-advanced{border-top:1px solid #ffffff20;border-bottom:1px solid #ffffff20;padding:12px 0;margin:12px 0}.lab-advanced summary{cursor:pointer;font-size:12px;color:#d9e7f5;min-height:24px}.lab-tip{font-size:10px;line-height:1.7;color:#9bb0c7}.flight-buttons button{font-size:10px}.flight-top [data-dialog=helpDialog]{border-color:#b6d5f655}.lab-panel:focus-within{scrollbar-color:#567087 transparent}@media(max-width:700px){.lab-presets button{padding:8px 10px}.lab-advanced{padding:8px 0;margin:8px 0}.lab-panel .lab-tip{font-size:9px}.flight-buttons button{font-size:9px}.survey-actions button{white-space:normal}}

.lab-open .flight-heading .compact-setting:last-child{display:none}@media(max-width:700px){.lab-panel{max-height:320px}.lab-panel .lab-intro{display:none}.lab-panel .lab-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin:9px 0}.lab-panel .lab-presets button{padding:8px 3px;text-align:center;font-size:9px;min-height:35px}.lab-panel .lab-presets button:before{display:none}.lab-panel #labExplanation{line-height:1.5;margin:9px 0}.lab-panel .survey-actions{margin-top:9px}.lab-panel .lab-advanced{margin:8px 0;padding:7px 0}.lab-panel .lab-advanced summary{font-size:11px;min-height:20px}}

/* Keep the frontier caption attached to the destination picker. */
.destination-bar .bar-head{gap:20px;align-items:center}.destination-bar .readout{display:grid;gap:5px;font:8px/1.5 monospace;letter-spacing:2px;color:#93a3b6}.destination-bar .readout strong{display:block;font:500 21px/1.4 var(--ui-font,system-ui,sans-serif);letter-spacing:-.5px;color:#d9e2ef}.destination-actions{display:flex;align-items:center;gap:12px;letter-spacing:normal}.destination-actions .text-button{margin-right:12px}@media(max-width:700px){.destination-bar .bar-head{align-items:flex-start;flex-direction:column;gap:14px}.destination-bar .readout strong{font-size:19px}.destination-actions{width:100%;justify-content:space-between;gap:8px}.destination-actions .text-button{margin-right:auto}.destination-actions .outline{font-size:9px;padding:9px}.destination-actions .icon-btn{width:32px;height:32px}}

.lab-panel{background:linear-gradient(145deg,#111e30ed,#070e1be8);border:1px solid #94c8f333;box-shadow:0 20px 65px #0006,inset 0 1px #ffffff10;backdrop-filter:blur(18px)}.lab-panel [data-lab-preset]{min-height:43px;border-left:3px solid #77cffb;background:linear-gradient(100deg,#1e3e57aa,#12203388)}.lab-panel [data-lab-preset="collision"]{border-left-color:#ffb16f}.lab-panel [data-lab-preset="escape"]{border-left-color:#c6a7ff}.lab-panel [data-lab-preset][aria-pressed="true"]{background:#28435d;border-color:#a9e7ff}.lab-legend{display:flex;gap:14px;color:#a5d8f0;font-size:10px;margin-top:14px}.lab-art-note{font-size:9px!important;color:#93a4b8;line-height:1.6!important;margin:7px 0!important}

.observation-stories{margin-top:18px;border-top:1px solid #ffffff20;padding-top:14px}.observation-stories summary{cursor:pointer;color:#cde6f8;font-size:13px}.observation-stories p{font-size:12px;line-height:1.8;color:#bccada}.observation-stories button{font-size:11px;padding:7px 12px}
.lab-scenarios{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:14px 0}.lab-scenarios button{border:1px solid #668aa34d;border-radius:8px;background:linear-gradient(145deg,#1d3447,#0a1521);color:#e0eef7;padding:12px 7px;font-size:11px;cursor:pointer}.lab-scenarios button:hover{border-color:#bdf184}.challenge-label{display:grid;gap:8px;font-size:12px}.challenge-label select{width:100%}.challenge-status{padding:12px;border-left:2px solid #bff58b;background:#a4cc7210;font-size:12px;line-height:1.7;color:#d8edc5}.lab-panel{overflow-y:auto;max-height:calc(100dvh - 190px)}#starExposure{max-width:125px}@media(max-width:700px){#starExposure{max-width:110px;font-size:10px}.lab-panel{max-height:calc(100dvh - 240px)}.flight-top{gap:6px;flex-wrap:wrap}}
.lab-panel .challenge-label{display:grid;grid-template-columns:1fr;gap:7px}.lab-panel .challenge-label select{min-width:0;width:100%}
.quick-experiments{margin-bottom:72px}.experiment-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.experiment-cards>a{display:block;padding:26px;border:1px solid #a6d3ef30;border-radius:14px;background:radial-gradient(ellipse at top right,#34506b66,transparent 75%),#0c1623;color:#e4eef6;transition:border-color .2s,transform .2s}.experiment-cards>a:hover{border-color:#c1f28a;transform:translateY(-3px)}.experiment-cards span{font:10px monospace;letter-spacing:1.5px;color:#b5d5e7}.experiment-cards h3{font-size:22px;margin:22px 0 12px}.experiment-cards p{font-size:13px;color:#9bb0c3;line-height:1.8;min-height:48px}.experiment-cards b{display:block;margin-top:25px;font-size:12px;color:#c1f28a}.challenge-actions{display:flex;gap:6px;margin:10px 0}.challenge-actions button{flex:1;font-size:10px;padding:9px 6px}.lab-panel .vector-toggle{display:flex;justify-content:flex-start;gap:8px;align-items:center;font-size:11px}.lab-panel .vector-toggle input{width:auto;accent-color:#b8eb85}.vector-note{font-size:9px!important;color:#91a6b8!important}@media(max-width:700px){.experiment-cards{grid-template-columns:1fr}.experiment-cards>a{padding:20px}.experiment-cards h3{margin:12px 0}.experiment-cards p{min-height:0}.experiment-cards b{margin-top:15px}.hero{min-height:1020px}}
.lab-title{display:flex;align-items:center;justify-content:space-between;gap:10px}.lab-title .outline{font-size:10px;padding:7px 9px;white-space:nowrap}#labControls[hidden]{display:none}@media(max-width:700px){.lab-panel{max-height:300px}.lab-panel .lab-title h2{font-size:20px}}

.lab-panel .impact-pause{display:flex;align-items:center;justify-content:flex-start;gap:8px}.lab-panel .impact-pause input{width:auto;margin:0}.lab-panel #impactFocus{margin-bottom:8px}

.experiment-designer{border:1px solid #b4e78a44;border-radius:12px;padding:14px;margin:12px 0 20px;background:#142331}.experiment-designer select{width:100%;margin-top:8px}.experiment-designer p{font-size:11px;line-height:1.7}.experiment-designer small{font-size:9px;color:#9eb5c5;line-height:1.7}.experiment-designer input[type=number]{width:75px;background:#0b1623;color:#e0efff;border:1px solid #56677a;border-radius:5px;padding:6px}.experiment-designer .primary{color:#17210f}

.experiment-designer label:has(select){display:block}.experiment-designer [hidden]{display:none!important}