:root{--bg:#0b1020;--panel:#111a30;--panel-2:#15213b;--ink:#f1f0ec;--muted:#a5adc6;--line:#2d3953;--flare:#ff815d;--gold:#ffc280;--violet:#b9a7fa;--cyan:#8dd9e6;--paper:#eeeae2;--paper-ink:#1a2033;--display:'Space Grotesk',sans-serif;--body:'DM Sans',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 var(--body);-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}[hidden]{display:none!important}.shell{width:min(1530px,calc(100% - 54px));margin-inline:auto}.skip{position:absolute;left:-100vw;top:8px;background:var(--gold);color:var(--bg);padding:12px;z-index:30}.skip:focus{left:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.site-header{height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:25px}.brand{display:inline-flex;align-items:center;gap:0;font:700 24px/1 var(--display);letter-spacing:-.055em;white-space:nowrap}.brand span:not(.brand-star){color:var(--gold)}.brand-star{color:var(--flare);font-size:32px;margin-right:10px;font-weight:400}.header-edition{margin-left:auto;color:#8f9bbb;font-size:11px;font-weight:700;letter-spacing:.18em}.back{border-bottom:1px solid #9da9c6;padding-bottom:2px;font-size:13px;font-weight:700}.intro{display:flex;justify-content:space-between;align-items:end;gap:35px;padding:42px 0 38px;background:radial-gradient(circle at 55% -50%,#26395744,transparent 60%)}.eyebrow,.panel-top>span,.map-head>div>span,.detail-index{font:700 11px/1.5 var(--body);letter-spacing:.17em;color:var(--gold)}.intro .eyebrow{margin:0 0 16px}.intro h1{font:600 clamp(45px,5.5vw,84px)/.95 var(--display);letter-spacing:-.075em;margin:0}.intro h1 em{font-style:normal;color:var(--flare)}.intro-aside{display:flex;align-items:end;gap:24px;padding-bottom:6px}.intro-aside p{max-width:330px;font-size:16px;line-height:1.45;color:#ced4df;margin:0}.intro-aside>span{min-width:150px;border-left:1px solid #67728e;padding-left:19px;color:var(--muted);font-size:12px}.intro-aside b{display:block;color:var(--gold);font:600 35px/1 var(--display);letter-spacing:-.055em;margin-bottom:4px}.loading{min-height:540px;display:flex;align-items:center;gap:10px;font-weight:700}.loading i{width:11px;height:11px;background:var(--flare);border-radius:50%;animation:pulse .9s infinite alternate}@keyframes pulse{to{opacity:.25;transform:scale(.55)}}
.workspace{display:grid;grid-template-columns:minmax(230px,.72fr) minmax(0,2.25fr) minmax(250px,.82fr);min-height:690px;border:1px solid #31405e;border-radius:12px;overflow:hidden;box-shadow:0 25px 60px #0005}.filter-panel{background:var(--panel);padding:24px 21px 22px;border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}.panel-top h2{font:600 31px/1.1 var(--display);letter-spacing:-.05em;margin:8px 0 6px}.panel-top p{font-size:13px;line-height:1.45;color:var(--muted);margin:0 0 23px}.search-label,.mass-label{font-size:10px;font-weight:700;letter-spacing:.16em;color:#aeb8d1}.search-wrap{position:relative;margin:7px 0 28px}.search-wrap input{width:100%;height:42px;background:#0b1327;border:1px solid #536280;border-radius:5px;color:#fff;padding:0 35px 0 12px;font-size:13px}.search-wrap input::placeholder{color:#8e99b3}.search-wrap>span{position:absolute;right:12px;top:8px;color:#b6c1d8;font-size:25px;pointer-events:none}.search-wrap #search-results{position:absolute;left:0;right:0;top:47px;z-index:10;background:#eceae6;color:var(--paper-ink);box-shadow:0 12px 30px #0008;border-radius:5px;max-height:252px;overflow:auto}.search-wrap #search-results button{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid #d6d5d0;background:transparent;padding:9px 11px;font-size:13px}.search-wrap #search-results button:hover{background:#ded9d1}.search-wrap #search-results small{display:block;color:#6e7181}.search-wrap #search-results p{font-size:12px;padding:12px;margin:0}.filter-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.filter-head h3{font:600 16px/1 var(--display);margin:0 0 12px}.filter-head button{background:none;border:0;color:var(--gold);font-size:11px;text-decoration:underline}.era-filters{display:grid;gap:7px;margin-bottom:25px}.era-filter{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border:1px solid #3c4a68;background:#15213b;color:#e6e8f2;border-radius:5px;text-align:left;transition:border-color .2s,background .2s}.era-filter[aria-pressed=false]{opacity:.5}.era-filter:hover{border-color:#adb7d4}.era-filter i{width:10px;height:10px;flex:0 0 10px;border-radius:50%;background:var(--era-color)}.era-filter strong{font-size:12px;font-weight:700;flex:1}.era-filter span{font-size:11px;color:#9aa9c7}.mass-label{display:block;margin-bottom:7px}.filter-panel select{height:40px;width:100%;border:1px solid #536280;background:#0b1327;color:#f2f3f8;border-radius:5px;padding:0 9px;font-size:13px}.mass-note{color:#8d99b4;font-size:11px;line-height:1.4;margin:8px 0 16px}.reset{align-self:start;background:none;border:0;border-bottom:1px solid #b7a2a6;color:#e4b6a3;padding:0 0 3px;font-size:12px;font-weight:700}.filter-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;border-top:1px solid #3d4961}.filter-foot span{font-size:10px;letter-spacing:.16em;color:#9caccb;font-weight:700}.filter-foot strong{font:600 42px/.95 var(--display);letter-spacing:-.065em;color:var(--gold);margin:8px 0 4px}.filter-foot small{color:#9eaac2;font-size:11px}
.map-panel{min-width:0;background:#111c34}.map-head{height:106px;padding:24px 25px 12px;display:flex;justify-content:space-between;align-items:end;gap:16px}.map-head h2{font:600 clamp(20px,2vw,27px)/1.13 var(--display);letter-spacing:-.045em;margin:5px 0 0}.map-head p{font-size:11px;color:#a2afca;text-align:right;line-height:1.35;margin:0}.map-stage{position:relative;margin:0 13px;overflow:hidden;background:radial-gradient(ellipse at 46% 46%,#1d2e51,#0b152e 72%)}.map-stage::before{content:"";position:absolute;inset:0;background-image:radial-gradient(#d5ddf877 1px,transparent 1px),radial-gradient(#d5ddf845 1px,transparent 1px);background-size:71px 67px,113px 107px;background-position:19px 32px,59px 71px;pointer-events:none}.map-stage svg{position:relative;width:100%;height:auto;display:block;touch-action:none}.land{fill:#304666;stroke:#60749a;stroke-width:.42}.graticule{fill:none;stroke:#9eaad1;stroke-opacity:.15;stroke-width:.5}.meteor-marker{cursor:pointer;transition:opacity .15s}.meteor-marker:hover{stroke:#fff;stroke-width:2}.cluster-circle{fill:#e9a37b;stroke:#ffdfad;stroke-width:1.2;cursor:pointer;filter:drop-shadow(0 0 5px #f4966277)}.cluster-number{fill:#101a2e;font:700 11px var(--display);text-anchor:middle;dominant-baseline:middle;pointer-events:none}.selected-ring{fill:none;stroke:#fff4cc;stroke-width:2.1;pointer-events:none;animation:ring 1.7s ease-in-out infinite}@keyframes ring{50%{opacity:.3;stroke-width:1}}#map-tooltip{position:absolute;z-index:6;pointer-events:none;min-width:165px;max-width:230px;padding:10px 13px;background:#f0e8db;color:#171e2f;border-left:3px solid var(--flare);border-radius:4px;box-shadow:0 10px 30px #0007;font-size:12px}#map-tooltip strong{display:block;font:700 16px/1.2 var(--display)}#map-tooltip span{display:block;color:#6c6b72;margin-top:3px}.zoom-controls{position:absolute;right:12px;bottom:16px;display:flex;gap:4px}.zoom-controls button{width:30px;height:30px;background:#121f39;border:1px solid #7487aa;border-radius:4px;color:#f2f2f4}.map-footer{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:13px 23px 18px;color:#a7b3cc;font-size:11px}.era-legend{display:flex;flex-wrap:wrap;gap:7px 13px}.era-legend span{white-space:nowrap}.era-legend i{display:inline-block;width:8px;height:8px;border-radius:50%;vertical-align:middle;margin-right:5px}.era-a{background:#ffba88}.era-b{background:#ff8b69}.era-c{background:#b9a7fa}.era-d{background:#8dd9e6}
.detail-panel{background:var(--paper);color:var(--paper-ink);padding:24px 23px 27px;display:flex;flex-direction:column;min-width:0}.detail-index{color:#b36552}.orbit-mark{height:135px;position:relative;margin:19px 0 24px;background:radial-gradient(circle at 50% 50%,transparent 0 13%,#99a0ae 13.5% 14%,transparent 14.5% 30%,#99a0ae 30.5% 31%,transparent 31.5% 48%,#99a0ae 48.5% 49%,transparent 49.5%)}.orbit-mark::before{content:"";position:absolute;width:17px;height:17px;background:var(--flare);border-radius:50%;left:calc(50% + 54px);top:calc(50% - 14px);box-shadow:0 0 18px #ff765b88}.orbit-mark::after{content:"";position:absolute;width:3px;height:80px;left:calc(50% + 15px);top:8px;background:linear-gradient(transparent,#dd8168);transform:rotate(43deg);transform-origin:bottom}.detail-kicker{font:700 11px/1.4 var(--body);letter-spacing:.17em;color:#b46b58;margin:0 0 10px}.detail-panel h2{font:600 clamp(30px,2.4vw,42px)/1.05 var(--display);letter-spacing:-.065em;margin:0 0 14px}.detail-panel #overview>p:not(.detail-kicker):not(.detail-footnote){font-size:13px;color:#53596c;line-height:1.55}.overview-stat{border-top:1px solid #b9b8b4;border-bottom:1px solid #b9b8b4;padding:17px 0;margin-top:23px}.overview-stat strong{display:block;font:600 49px/.95 var(--display);letter-spacing:-.06em;color:#bd664c}.overview-stat span{display:block;font-size:12px;color:#545c6d;margin-top:5px}.detail-footnote{font-size:11px;line-height:1.55;color:#737786;margin-top:19px}#selected #close-detail{border:0;background:none;color:#826d72;font-size:11px;font-weight:700;padding:0 0 25px}#selected .detail-kicker{margin-bottom:7px}#selected h2{overflow-wrap:anywhere}.detail-mass{border-top:1px solid #bcb9b6;border-bottom:1px solid #bcb9b6;padding:20px 0;margin:24px 0}.detail-mass strong{display:block;color:#bd664c;font:600 clamp(35px,3vw,52px)/1 var(--display);letter-spacing:-.06em}.detail-mass span{font-size:10px;color:#777788;letter-spacing:.17em;font-weight:700}.detail-panel dl{margin:0}.detail-panel dl div{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #d3d0ca}.detail-panel dt{font-size:11px;color:#747b87}.detail-panel dd{text-align:right;font-size:12px;font-weight:700;margin:0}#bulletin-link{display:inline-block;margin-top:21px;border-bottom:1px solid #b86e57;color:#a95f4a;padding-bottom:3px;font-size:12px;font-weight:700}
.record-section{padding:76px 0 20px}.record-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}.record-heading h2,.method h2{font:600 clamp(31px,3.5vw,49px)/1.08 var(--display);letter-spacing:-.06em;margin:0}.record-heading p:last-child{font-size:14px;color:var(--muted);max-width:365px;margin:0}.record-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.record-card{min-width:0;min-height:160px;background:#17233d;border:1px solid #344665;border-radius:7px;padding:16px;text-align:left;color:#eef0f3;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}.record-card:hover{transform:translateY(-4px);border-color:#ffb88a}.record-card .record-rank{font-size:11px;font-weight:700;letter-spacing:.15em;color:var(--gold)}.record-card strong{font:600 19px/1.1 var(--display);letter-spacing:-.04em;margin:19px 0 5px;overflow-wrap:anywhere}.record-card small{font-size:11px;color:var(--muted);margin-top:auto}.record-card b{font:600 20px/1 var(--display);color:var(--flare);margin-top:9px}.empty-list{grid-column:1/-1;color:var(--muted);font-size:14px}
.method{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px;margin:65px 0 0;padding:60px 0 100px;border-top:1px solid var(--line)}.method p:not(.eyebrow){font-size:14px;line-height:1.65;color:#b4bed1}.source-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:23px}.source-links a,.source-links button{border:1px solid #657794;color:#d9e2f2;background:transparent;border-radius:4px;padding:9px 11px;font-size:12px;font-weight:700}.source-links a:hover,.source-links button:hover{background:#1b2c4b}.site-footer{border-top:1px solid var(--line);min-height:90px;display:flex;align-items:center;gap:25px}.site-footer .brand{font-size:18px}.site-footer p{color:#8391aa;font-size:12px;margin:0 auto 0 0}.site-footer>a:last-child{font-size:12px;font-weight:700;color:#bec9da}
@media(max-width:1300px){.intro-aside>span{display:none}.workspace{grid-template-columns:minmax(210px,.7fr) minmax(0,2fr) minmax(225px,.76fr)}.map-head p{display:none}.record-list{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:990px){.workspace{grid-template-columns:minmax(220px,.7fr) minmax(0,2fr)}.detail-panel{grid-column:1/-1;border-top:1px solid #bcb9b6}.detail-panel #overview{display:grid;grid-template-columns:150px 1fr;gap:0 22px}.detail-panel #overview .orbit-mark{grid-row:1/5;margin:0}.detail-panel #overview .overview-stat,.detail-panel #overview .detail-footnote{grid-column:2}.detail-panel #selected{max-width:760px}.detail-panel .detail-mass{max-width:400px}.intro-aside p{max-width:310px}}
@media(max-width:700px){.shell{width:calc(100% - 26px)}.site-header{height:65px}.header-edition{display:none}.back{margin-left:auto;font-size:12px}.brand{font-size:21px}.intro{display:block;padding:31px 0 29px}.intro h1{font-size:clamp(43px,10vw,66px)}.intro-aside p{max-width:100%;margin-top:18px;font-size:15px}.workspace{display:flex;flex-direction:column}.map-panel{order:0}.filter-panel{order:1;border-right:0;border-top:1px solid var(--line)}.detail-panel{order:2}.map-head{height:auto;padding:20px 18px 13px}.map-stage{margin:0 7px}.map-footer{padding:12px 15px 19px;display:block}.map-footer>span{display:block;margin-top:8px}.filter-panel{display:grid;grid-template-columns:1fr 1fr;gap:0 15px}.filter-panel .panel-top,.filter-panel .search-label,.filter-panel .search-wrap,.filter-panel .filter-head,.filter-panel .era-filters,.filter-panel .mass-note,.filter-panel .reset,.filter-panel .filter-foot{grid-column:1/-1}.filter-panel .era-filters{grid-template-columns:1fr 1fr}.filter-panel .filter-foot{margin-top:25px}.record-section{padding-top:63px}.record-heading{display:block}.record-heading p:last-child{margin-top:12px}.record-list{grid-template-columns:1fr 1fr}.method{display:block;margin-top:54px;padding:54px 0 70px}.method>div+div{margin-top:22px}}
@media(max-width:440px){.filter-panel .era-filters{grid-template-columns:1fr}.map-head h2{font-size:21px}.map-stage svg{min-height:280px}.record-list{grid-template-columns:1fr}.record-card{min-height:125px}.record-card strong{margin:12px 0 5px}.site-footer{flex-wrap:wrap;justify-content:space-between;padding:20px 0}.site-footer p{order:3;width:100%}.detail-panel #overview{display:block}.detail-panel #overview .orbit-mark{margin:12px 0 22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.loading i,.selected-ring{animation:none}.record-card,.meteor-marker{transition:none}}

.selected-marker{pointer-events:none}.selected-core{fill:#fff4cc;stroke:#f28f65;stroke-width:1.5;filter:drop-shadow(0 0 7px #ffd191)}

/* Next exploration: sends readers on to the next Lunobus story. */
.next-exploration{border-top:1px solid var(--line);}
.next-exploration a{display:grid;gap:8px;padding:44px 0 48px;color:var(--ink);text-decoration:none}
.next-kicker{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.next-title{display:flex;align-items:baseline;gap:.35em;font:600 clamp(30px,4.4vw,52px)/1.05 var(--display);letter-spacing:-.03em}
.next-arrow{color:var(--flare);transition:transform .3s}
.next-exploration a:hover .next-arrow,.next-exploration a:focus-visible .next-arrow{transform:translateX(8px)}
.next-desc{max-width:36em;color:var(--muted)}