/* Vanilla Sphere viewer.
   Material: the "Rim" theme of Hallmark (MIT, github.com/nutlope/hallmark), night colourway:
   near-black paper with a violet cast, warm off-white ink, square hairline surfaces, a nebula-violet
   signal and a pale cyan second, a mono face for everything that was measured. Hanken Grotesk stands in
   for Switzer so both faces can be served from this repo (SIL OFL, see web/fonts). */

@font-face{font-family:"Hanken Grotesk";src:url(/static/fonts/HankenGrotesk.woff2) format("woff2");font-weight:400 600;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(/static/fonts/GeistMono.woff2) format("woff2");font-weight:400 500;font-style:normal;font-display:swap}

:root{
  --color-paper:oklch(9% 0.012 290); --color-paper-2:oklch(12.5% 0.014 290); --color-paper-3:oklch(6.5% 0.010 290);
  --color-lift:oklch(16% 0.017 290);
  --color-ink:oklch(94% 0.010 80); --color-ink-2:oklch(84% 0.011 80); --color-muted:oklch(68% 0.012 80); --color-muted-2:oklch(50% 0.010 80);
  --color-rule:oklch(25% 0.016 290); --color-rule-2:oklch(16% 0.013 290);
  --color-accent:oklch(72% 0.165 300); --color-accent-hover:oklch(78% 0.15 300); --color-accent-ink:oklch(12% 0.04 300);
  --color-accent-2:oklch(82% 0.10 205); --color-focus:oklch(80% 0.14 300);
  --color-nodata:oklch(17% 0.025 295); --color-measured:oklch(84% 0.16 135);
  /* the logo is a taro ice-cream cone: a waffle-gold V holding a sphere in the accent violet */
  --brand-v:oklch(80% 0.13 80); --brand-sphere:var(--color-accent);
  /* data series: the six detectors in wavelength order, and the three colour channels */
  --d1:oklch(68% 0.15 268); --d2:oklch(76% 0.12 240); --d3:oklch(80% 0.11 195);
  --d4:oklch(82% 0.14 145); --d5:oklch(84% 0.14 90); --d6:oklch(70% 0.18 28);
  --ch-r:oklch(70% 0.18 28); --ch-g:oklch(82% 0.14 145); --ch-b:oklch(76% 0.12 250);

  --font-display:"Hanken Grotesk",ui-sans-serif,system-ui,sans-serif;
  --font-measure:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease-out:cubic-bezier(.16,1,.3,1); --dur-short:140ms;
  --pad:16px; --bar-h:52px; --rail-w:288px;
  /* the image is as tall as the window allows; everything in the stage hangs off this */
  --img:clamp(320px, calc(100vh - 258px), calc(100vw - var(--rail-w) - 420px));
  color-scheme:dark;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{background:var(--color-paper);color:var(--color-ink-2);font:400 14px/1.5 var(--font-display);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scrollbar-color:var(--color-rule) transparent;scrollbar-width:thin}
body{margin:0;min-height:100vh;display:flex;flex-direction:column}
::selection{background:color-mix(in oklab,var(--color-accent) 35%,transparent);color:var(--color-ink)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--color-rule)}
::-webkit-scrollbar-thumb:hover{background:var(--color-muted-2)}
:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}
a{color:var(--color-ink);text-decoration:none;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration:underline}
h1,h2{margin:0;font-weight:500;color:var(--color-ink)}
h1{font-size:20px;line-height:1.15;letter-spacing:-.03em}
h2{font-size:13px;line-height:1.3;color:var(--color-muted)}
p{margin:0}
.muted{color:var(--color-muted)}
.note{font-size:12.5px;line-height:1.5;max-width:68ch}
.measure{font-family:var(--font-measure);font-variant-numeric:tabular-nums;font-size:12.5px;letter-spacing:0}

/* ------------------------------------------------------------------ controls */
button,input,select{font:inherit;color:inherit;border-radius:0}
button{cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:32px;padding:0 12px;border:1px solid var(--color-rule);background:none;color:var(--color-ink);font-weight:500;white-space:nowrap;transition:background var(--dur-short) var(--ease-out),border-color var(--dur-short) var(--ease-out)}
.btn:hover{border-color:var(--color-muted-2);background:var(--color-paper-2)}
.btn:active{background:var(--color-lift)}
.btn svg{width:12px;height:12px;fill:currentColor;flex:none}
.btn.primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-accent-ink)}
.btn.primary:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover)}
.btn.icon{width:32px;padding:0}
.btn.quiet{height:26px;padding:0 9px;font-size:12.5px;color:var(--color-ink-2)}
.btn:disabled,input[type=range]:disabled{opacity:.4;cursor:default;pointer-events:none}

input[type=text],select,.share input{height:32px;border:1px solid var(--color-muted-2);background:var(--color-paper);color:var(--color-ink);padding:0 10px;min-width:0}
input[type=text]::placeholder{color:var(--color-muted)}
input[type=text]:hover,select:hover{border-color:var(--color-muted)}
select{appearance:none;-webkit-appearance:none;padding-right:26px;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23a8a297' stroke-width='1.2'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 9px center}

input[type=checkbox]{appearance:none;-webkit-appearance:none;width:14px;height:14px;margin:0;border:1px solid var(--color-muted);background:var(--color-paper);display:inline-grid;place-content:center;flex:none;cursor:pointer}
input[type=checkbox]:checked{background:var(--color-accent);border-color:var(--color-accent)}
input[type=checkbox]:checked::after{content:"";width:8px;height:8px;background:var(--color-accent-ink);clip-path:polygon(12% 48%,0 64%,40% 100%,100% 18%,84% 4%,38% 68%)}

input[type=range]{appearance:none;-webkit-appearance:none;background:transparent;height:24px;margin:0;min-width:0;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:1px;background:var(--color-muted-2)}
input[type=range]::-moz-range-track{height:1px;background:var(--color-muted-2)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:9px;height:17px;margin-top:-8px;background:var(--color-ink);border:0;border-radius:0}
input[type=range]::-moz-range-thumb{width:9px;height:17px;background:var(--color-ink);border:0;border-radius:0}
#slider::-webkit-slider-thumb{background:var(--color-accent)}
#slider::-moz-range-thumb{background:var(--color-accent)}

/* segmented choice: the accent marks the current state */
.seg,.dets{display:flex}
.seg button,.dets button{flex:1 1 auto;height:30px;padding:0 10px;margin-left:-1px;border:1px solid var(--color-rule);background:none;color:var(--color-muted);font-size:13px;font-weight:500;white-space:nowrap;transition:background var(--dur-short) var(--ease-out),color var(--dur-short) var(--ease-out)}
.seg button:first-child{margin-left:0}
.seg button:hover,.dets button:hover{color:var(--color-ink);background:var(--color-paper-2)}
.seg button.on,.dets button.on{color:var(--color-ink);background:var(--color-lift);box-shadow:inset 0 -2px 0 var(--color-accent)}
.seg button:focus-visible,.dets button:focus-visible{position:relative;z-index:1}
.seg.wrap{display:grid;grid-template-columns:1fr 1fr}
.seg.wrap button{margin:0 0 -1px -1px}
.seg.wrap button:nth-child(odd){margin-left:0}
.dets{display:grid;grid-template-columns:repeat(6,1fr)}
.dets button{margin:0 0 -1px -1px;padding:0;display:inline-flex;align-items:center;justify-content:center;gap:5px}
.dets button[data-v="rgb"],.dets button[data-v="all"]{grid-column:span 3}
.dets button[data-v="rgb"],.dets button[data-v="1"]{margin-left:0}
.dets button[data-v="rgb"]::before{content:"";width:18px;height:6px;background:linear-gradient(90deg,var(--ch-b) 0 33.3%,var(--ch-g) 33.3% 66.6%,var(--ch-r) 66.6%)}
.dets button:is([data-v="1"],[data-v="2"],[data-v="3"],[data-v="4"],[data-v="5"],[data-v="6"])::before{content:"";width:6px;height:6px;background:var(--sw)}
.dets [data-v="1"]{--sw:var(--d1)} .dets [data-v="2"]{--sw:var(--d2)} .dets [data-v="3"]{--sw:var(--d3)}
.dets [data-v="4"]{--sw:var(--d4)} .dets [data-v="5"]{--sw:var(--d5)} .dets [data-v="6"]{--sw:var(--d6)}

/* ------------------------------------------------------------------ top bar */
.bar{height:var(--bar-h);flex:none;display:grid;grid-template-columns:var(--rail-w) minmax(0,1fr) auto auto;align-items:center;border-bottom:1px solid var(--color-rule);background:var(--color-paper)}
.brand{display:flex;align-items:center;gap:9px;padding:0 var(--pad);font-size:16px;font-weight:600;letter-spacing:-.02em;color:var(--color-ink)}
.brand:hover{text-decoration:none}
#search{position:relative;display:flex;gap:8px;align-items:center;min-width:0;max-width:760px;padding-left:var(--pad)}
#go{min-width:92px}
.searcherr{position:absolute;top:calc(100% + 6px);left:var(--pad);right:0;z-index:20;padding:9px 12px;border:1px solid var(--color-accent);background:var(--color-lift);color:var(--color-ink);font-size:13px;line-height:1.45}
#q{flex:1;font-family:var(--font-measure);font-size:13px}
#q::placeholder{font-family:var(--font-display);font-size:14px}
.fov,.speed{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--color-muted);white-space:nowrap}
.barlinks{position:relative;display:flex;align-items:center;gap:20px;padding:0 var(--pad) 0 24px;font-size:13px;font-weight:500}
.barlinks a{color:var(--color-ink-2)}
/* Simple or Advanced: a small segmented switch, the current one underlined in the accent */
.modes button{height:28px;font-size:12.5px}
.modes{margin-left:16px}
#tomap{flex:none}
[data-ui="simple"] .bar,[data-screen="map"] .bar{grid-template-columns:auto minmax(0,1fr) auto auto}

/* which parts each interface and each screen shows */
[data-ui="simple"] .adv,[data-ui="adv"] .simple{display:none!important}
[data-screen="map"] .shell,[data-screen="view"] .mapscreen,[data-screen="map"] #tomap{display:none!important}

/* ------------------------------------------------------------------ sky map: the first screen */
[data-screen="map"] body{height:100vh;height:100dvh;overflow:hidden}
.mapscreen{position:relative;flex:1;min-height:0;overflow:hidden}
#map{position:absolute;left:0;top:0;width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}
#map:focus-visible{outline-offset:-3px}
.maphead{position:absolute;left:var(--pad);top:14px;max-width:min(340px,calc(100% - 2 * var(--pad)));pointer-events:none}
.maphead{text-shadow:0 0 3px var(--color-paper),0 0 8px var(--color-paper),0 0 14px var(--color-paper)}
.maphead h1{font-size:clamp(20px,2.1vw,28px);letter-spacing:-.035em;text-wrap:balance}
.maphead p{margin-top:8px;font-size:13.5px;line-height:1.45;color:var(--color-muted);text-wrap:pretty}
.maphead .dataline{margin-top:10px;font-size:11.5px;line-height:1.4;color:var(--color-muted)}
.maphead{transition:opacity var(--dur-short) var(--ease-out)}
.mapscreen.zoomed .maphead{opacity:0}
.mapscreen.zoomed.opening .maphead{opacity:1}
.mapstart{position:absolute;left:var(--pad);bottom:48px;width:232px;border:1px solid var(--color-rule);background:color-mix(in oklab,var(--color-paper) 90%,transparent)}
.mapstart h2{padding:9px 12px 8px;border-bottom:1px solid var(--color-rule-2)}
.mapstart .targets{margin:0}
.mapstart .target{padding:6px 12px 7px;align-items:start}
.mapstart .target::before{margin-top:7px;background:var(--color-accent);border-color:var(--color-accent)}
.mapstart .target .nt{display:block;grid-column:2;font-size:12px;line-height:1.3;color:var(--color-muted)}
/* what the product does, said on the first screen: each card opens a live example (showcase.js) */
.mapdo{position:absolute;left:calc(var(--pad) + 244px);bottom:48px;width:min(1020px,calc(100% - 2 * var(--pad) - 288px));transition:opacity var(--dur-short) var(--ease-out)}
.mapscreen.moving .mapdo{opacity:0;pointer-events:none}
.mapdo h2{margin:0 0 6px;pointer-events:none;text-shadow:0 0 3px var(--color-paper),0 0 8px var(--color-paper),0 0 14px var(--color-paper)}
.dolist{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(max-content,1fr);overflow-x:auto;scrollbar-width:none;border:1px solid var(--color-rule);background:color-mix(in oklab,var(--color-paper) 90%,transparent)}
.dolist::-webkit-scrollbar{display:none}
.do{display:grid;grid-template-columns:16px minmax(0,1fr);column-gap:10px;align-items:start;text-align:left;padding:8px 12px 9px;border:0;border-left:1px solid var(--color-rule-2);background:none;color:var(--color-ink);cursor:pointer;transition:background var(--dur-short) var(--ease-out)}
.do:first-child{border-left:0}
.do svg{grid-row:1 / span 2;width:16px;height:16px;margin-top:2px;color:var(--color-accent);fill:currentColor}
.do .nm,.do .nt{grid-column:2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.do .nm{font-weight:500;line-height:1.35}
.do .nt{font-size:12px;line-height:1.3;color:var(--color-muted)}
.do:hover{background:var(--color-paper-2)}
.do:focus-visible{outline-offset:-2px}
[data-mapfull] .mapdo{display:none}
/* a narrow window: two rows of three, so that no card is cut */
@media (min-width:760px) and (max-width:1239.98px){
  .dolist{grid-auto-flow:row;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}
  .do:nth-child(3n+1){border-left:0}
  .do:nth-child(n+4){border-top:1px solid var(--color-rule-2)}
}
@media (min-width:760px) and (max-width:899.98px){
  .dolist{grid-template-columns:repeat(2,minmax(0,1fr))}
  .do:nth-child(n){border-left:1px solid var(--color-rule-2);border-top:0}
  .do:nth-child(2n+1){border-left:0}
  .do:nth-child(n+3){border-top:1px solid var(--color-rule-2)}
}
.mapfoot{position:absolute;left:0;right:0;bottom:0;height:32px;display:flex;align-items:center;gap:16px;padding:0 var(--pad);border-top:1px solid var(--color-rule);background:var(--color-paper);color:var(--color-ink-2);white-space:nowrap;overflow:hidden}
#mapread i{font-style:normal;font-family:var(--font-display);font-size:13px}
.mapfoot .hint{margin-left:auto;font-family:var(--font-display);font-size:12.5px;color:var(--color-muted)}
[data-ui="simple"] #mapread{display:none}
.mapzoom{position:absolute;right:var(--pad);bottom:48px;display:flex;flex-direction:column}
.mapzoom .btn{margin-top:-1px;background:var(--color-paper)}
.mapzoom .btn:hover{background:var(--color-paper-2)}
/* full screen: the map alone covers everything. The rule does the work, so it also holds where the browser has no full screen of its own (iPhone) */
[data-screen="map"][data-mapfull] .mapscreen{position:fixed;inset:0;z-index:40;background:var(--color-paper)}
[data-mapfull] .maphead,[data-mapfull] .mapstart{display:none}
[data-mapfull] .mapzoom{right:max(var(--pad), env(safe-area-inset-right, 0px))}
#map-full .back,[data-mapfull] #map-full .go{display:none}
[data-mapfull] #map-full .back{display:block}
[data-mapfull] #map-full{color:var(--color-accent)}
.maptag{position:absolute;z-index:5;pointer-events:none;display:flex;flex-direction:column;padding:5px 9px;border:1px solid var(--color-muted-2);background:var(--color-lift);color:var(--color-ink-2);font-size:12.5px;line-height:1.4;white-space:nowrap}
.maptag b{font-weight:500;color:var(--color-ink)}
.netnote{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:70;padding:8px 14px;border:1px solid var(--color-muted-2);background:var(--color-lift);color:var(--color-ink);font-size:13px;white-space:nowrap}
.maptag .more{margin-top:3px;padding-top:4px;border-top:1px solid var(--color-rule);width:240px;white-space:normal;color:var(--color-muted);text-wrap:pretty}

/* ------------------------------------------------------------------ shell */
.shell{flex:1;display:grid;grid-template-columns:var(--rail-w) auto minmax(0,1fr);min-height:0}
.rail,.analysis{min-width:0}
.rail{border-right:1px solid var(--color-rule)}
.analysis{border-left:1px solid var(--color-rule)}
.panel{padding:14px var(--pad) 18px;border-bottom:1px solid var(--color-rule)}
.panel:last-child{border-bottom:0}
.panel>h2,.panel>.headtip,.panelhead{margin-bottom:10px}
.panelhead{display:flex;justify-content:space-between;align-items:center;gap:12px}
.panelhead .seg button{height:26px;font-size:12.5px}

.targets{display:flex;flex-direction:column;margin:0 calc(-1 * var(--pad))}
.target{display:grid;grid-template-columns:8px minmax(0,1fr);column-gap:10px;align-items:baseline;text-align:left;padding:7px var(--pad);border:0;border-top:1px solid var(--color-rule-2);background:none;color:var(--color-ink);transition:background var(--dur-short) var(--ease-out)}
.target:first-child{border-top:0}
.target::before{content:"";width:6px;height:6px;align-self:center;grid-row:1;border:1px solid var(--color-muted-2)}
.target .nm{font-weight:500;line-height:1.35}
.target .nt{display:none}
.target:hover{background:var(--color-paper-2)}
.target.on{background:var(--color-paper-3)}
.target.on::before{background:var(--color-accent);border-color:var(--color-accent)}

.ctl{margin-top:12px}
.ctl:first-of-type{margin-top:0}
.lab{display:block;margin-bottom:6px;font-size:12.5px;font-weight:500;color:var(--color-muted)}
.labtip{margin-bottom:6px}
.labtip .lab{margin-bottom:0}
.rgbmap{display:block;margin-top:2px;font-size:11.5px;line-height:1.7;color:var(--color-ink)}
.rgbmap .sw{display:inline-block;width:6px;height:6px;margin-right:6px;vertical-align:middle}
.rgbmap .sw.r{background:var(--ch-r)} .rgbmap .sw.g{background:var(--ch-g)} .rgbmap .sw.b{background:var(--ch-b)}
.inline{display:flex;align-items:center;gap:10px}
.inline input[type=range]{flex:1}
#refrow{margin-top:8px}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px}
.checks label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-ink-2);cursor:pointer}
.checks .key{width:11px;height:11px;flex:none}
.checks .wide{grid-column:1 / -1}
#tracklist{grid-template-columns:minmax(0,1fr)}
#tracklist dt{padding:10px 0 4px;color:var(--color-ink)}
#tracklist dt:first-of-type{padding-top:0}
#tracklist dd{padding-top:0;border-top:0}
#tracklist dd span{display:grid;grid-template-columns:112px minmax(0,1fr)}
#tracklist dd span+span{margin-top:2px}
#tracklist dd b{font:500 12.5px/1.5 var(--font-display);color:var(--color-muted)}
#tracklist dd .dim{color:var(--color-muted-2)}
#tracklist .tipbody{width:246px;top:auto;bottom:calc(100% + 8px)}
.trackplot{display:block;margin-bottom:8px;border:1px solid var(--color-rule);background:var(--color-paper)}
.trackplot .axis{stroke:var(--color-rule);fill:none}
.trackplot .dot{fill:var(--color-measured)}
.trackplot .fit{stroke:var(--color-ink);stroke-width:1.5;fill:none}
.trackplot .cat{stroke:var(--color-accent-2);stroke-width:1.2;stroke-dasharray:4 3;fill:none}
.trackplot .head{stroke-dasharray:none;stroke-linejoin:round}
.trackplot .fit.head{fill:var(--color-ink)}
.trackplot .cat.head{fill:var(--color-accent-2)}
.trackplot .bar{stroke:var(--color-ink-2);fill:none}
.trackplot text{fill:var(--color-muted);font:400 10.5px/1 var(--font-measure)}
/* moving objects: the card of a field and the Discoveries list share one row */
.movers{list-style:none;margin:8px 0 0;padding:0;border:1px solid var(--color-rule)}
.movers[hidden]{display:none}
.mover{border-top:1px solid var(--color-rule-2)}
.mover:first-child{border-top:0}
.movergroup{padding:6px 10px 5px;border-top:1px solid var(--color-rule-2);background:var(--color-paper-2);font:400 11px/1.4 var(--font-measure);color:var(--color-muted);letter-spacing:.02em}
.movergroup:first-child{border-top:0}
.moverhead{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1px 10px;width:100%;padding:7px 10px;border:0;background:none;color:var(--color-ink-2);text-align:left;cursor:pointer}
.moverhead:hover,.mover.on .moverhead{background:var(--color-paper-2)}
.moverhead b{font:500 13px/1.4 var(--font-display);color:var(--color-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.moverhead i{font:400 12px/1.5 var(--font-display);color:var(--color-muted);white-space:nowrap}
.moverhead span{grid-column:1 / -1;font:400 11.5px/1.5 var(--font-measure);color:var(--color-ink-2)}
.moverhead .tally{color:var(--color-muted)}
.moverhead .tally.real{color:var(--color-measured)}
.moverhead .tally.false{color:var(--color-accent-2)}
.mover.on{box-shadow:inset 2px 0 0 var(--color-accent)}
.movermore{padding:2px 10px 10px;font-size:12.5px;color:var(--color-ink-2)}
#moverback{height:28px;margin:8px 0 2px;font-size:12.5px}
.moverframeshead{margin:10px 0 6px}
.moverframes{list-style:none;margin:0;padding:0;max-height:204px;overflow:auto;border:1px solid var(--color-rule-2)}
.moverframes li{display:flex;align-items:center;border-top:1px solid var(--color-rule-2)}
.moverframes li:first-child{border-top:0}
.moverframes button{flex:1;min-width:0;display:grid;grid-template-columns:106px 32px 50px minmax(0,1fr);gap:6px;align-items:center;height:26px;padding:0 8px;border:0;background:none;color:var(--color-ink-2);font:400 11px/1 var(--font-measure);text-align:left;cursor:pointer;white-space:nowrap}
.moverframes button:hover,.moverframes li.on button{background:var(--color-lift);color:var(--color-ink)}
.moverframes li.on{box-shadow:inset 2px 0 0 var(--color-accent)}
.moverframes .det{display:inline-flex;align-items:center;gap:4px}
.moverframes .sw{width:7px;height:7px;flex:none}
.moverframes .snr{text-align:right}
.moverframes li.unseen button{color:var(--color-muted)}
.moverframes a{padding:0 8px 0 4px;font:400 11px/26px var(--font-measure);color:var(--color-ink-2)}
.moveracts{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 6px}
.moveracts .btn{height:28px;font-size:12.5px}
.moveracts .btn.on{background:var(--color-lift);box-shadow:inset 0 -2px 0 var(--color-accent)}
#movercard .links{margin-top:10px}
#discoveries .sheetpage header{gap:10px}
#discoveries .sheetpage header h2{margin-right:auto}
#discoveries .seg button{height:26px;font-size:12.5px}
#discoveries .movers{margin-top:14px}
.barlinks .linkbtn{color:var(--color-ink-2);text-decoration:none;font-size:13px;font-weight:500}
.barlinks .linkbtn:hover{color:var(--color-ink)}
.measure-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px}
#tracklist:not(:empty)+.measure-row{margin-top:12px}

/* ------------------------------------------------------------------ stage */
.stage{width:calc(var(--img) + 2 * var(--pad) + 2px);padding:0 var(--pad) 12px;min-width:0;container-type:inline-size}
.stagehead{display:flex;justify-content:space-between;align-items:center;gap:16px;height:46px;padding-top:4px}
.who{position:relative;display:flex;align-items:center;gap:10px;min-width:0}
.stagehead h1,.stagehead p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#tcoords{flex:none;color:var(--color-ink)}
.stage>.well:first-child,.stagehead[hidden]+.well{margin-top:46px}

.well{position:relative;border:1px solid var(--color-rule);background:var(--color-paper-3)}
.ticks::before,.ticks::after{content:"";position:absolute;width:12px;height:12px;border:0 solid var(--color-muted);pointer-events:none;z-index:1}
.ticks::before{top:-6px;left:-6px;border-width:1px 0 0 1px}
.ticks::after{right:-6px;bottom:-6px;border-width:0 1px 1px 0}
.canvaswrap{position:relative;aspect-ratio:1;overflow:hidden}
#sky{width:100%;height:100%;display:block;cursor:crosshair}
#sky:focus-visible{outline-offset:-2px}
#sky.zoomed{cursor:grab;touch-action:none}
#sky.dragging{cursor:grabbing}
.imgzoom{position:absolute;right:10px;bottom:10px;display:flex;flex-direction:column;align-items:flex-end}
.imgzoom .btn{margin-top:-1px;background:color-mix(in oklab,var(--color-paper) 82%,transparent)}
.imgzoom .btn:hover:not(:disabled){background:var(--color-paper-2)}
#empty:not([hidden])~.imgzoom{display:none}
#zoom-x{height:24px;margin-bottom:6px;padding:0 7px;font:400 11.5px/1 var(--font-measure);color:var(--color-ink-2)}
.strip{display:flex;justify-content:space-between;align-items:center;gap:12px;height:34px;padding:0 10px;border-top:1px solid var(--color-rule);background:var(--color-paper);color:var(--color-ink-2);white-space:nowrap;overflow:hidden}
.hud{display:flex;align-items:center;gap:16px;min-width:0;flex:1 1 auto;overflow:hidden}
.hud>span{flex:none}
.hud .when{color:var(--color-ink)}
.hud .zone{color:var(--color-muted);margin-left:5px}
.hud .chans{display:inline-flex;align-items:center;gap:9px}
.sw{display:inline-block;width:6px;height:6px;margin-right:4px;vertical-align:1px}
.hud:empty::before{content:"No frame loaded";color:var(--color-muted);font-family:var(--font-display);font-size:13px}
.cursor{flex:none;color:var(--color-muted)}
@container (max-width:760px){.cursor.hint{display:none}}
@container (max-width:700px){.hud .wave{display:none}}
@container (max-width:600px){.hud .nexp{display:none}}
.progress{position:absolute;left:0;right:0;bottom:34px;height:22px;background:color-mix(in oklab,var(--color-paper) 82%,transparent);border-top:1px solid var(--color-rule);z-index:1}
#bar{position:absolute;left:0;top:-1px;height:1px;width:0;background:var(--color-accent);transition:width 300ms var(--ease-out)}
.progress.busy #bar{width:28%!important;transition:none;animation:sweep 1.1s linear infinite}
@keyframes sweep{from{left:-28%}to{left:100%}}
.progress.busy{overflow:hidden}
.canvaswrap.busy #sky{opacity:.55;transition:opacity 200ms var(--ease-out)}
#ptext{position:absolute;inset:0;display:flex;align-items:center;padding:0 10px;font-size:11.5px;color:var(--color-ink-2)}

.intro,.empty{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:clamp(20px,8%,56px)}
.intro{gap:14px;background:var(--color-paper-3)}
.intro h1{font-size:clamp(22px,calc(var(--img) / 17),34px);line-height:1.08;letter-spacing:-.035em;max-width:17ch;text-wrap:balance}
.intro p{max-width:46ch;font-size:14.5px}
.examples{display:flex;flex-direction:column;margin-top:10px;border-bottom:1px solid var(--color-rule)}
.examples button{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:9px 0;border:0;border-top:1px solid var(--color-rule);background:none;text-align:left;font-size:13px;font-weight:500;color:var(--color-muted)}
.examples button .measure{color:var(--color-ink)}
.examples button:hover .measure{color:var(--color-accent)}
.empty{align-items:center;text-align:center;color:var(--color-ink-2);font-size:14.5px;pointer-events:none;overflow-wrap:anywhere}
.empty .again{margin-top:16px;pointer-events:auto}

.transport{display:flex;align-items:center;gap:12px;margin-top:14px}
.keys{display:flex}
.keys .btn{margin-left:-1px}
.keys .btn:first-child{margin-left:0}
#play{min-width:88px;position:relative;z-index:1}
#play .i-pause,#play.playing .i-play{display:none}
#play.playing .i-pause{display:block}
#slider{flex:1}
#count{min-width:58px;text-align:right;color:var(--color-ink)}
.speed select{height:28px;font-size:12.5px;font-family:var(--font-measure)}

/* a diagram of real time: UTC axis, sky passes as bands, one pin per frame */
.timeline{position:relative;height:56px;margin-top:6px;cursor:pointer;touch-action:none;user-select:none}
.timeline::before{content:"";position:absolute;left:0;right:0;top:26px;height:1px;background:var(--color-rule)}
.timeline .pass{position:absolute;top:27px;height:5px;min-width:3px;background:var(--color-accent-2);opacity:.75}
.timeline i{position:absolute;top:10px;width:1px;height:16px;background:var(--color-muted-2)}
.timeline i.cur{top:2px;height:24px;width:1px;background:var(--color-accent);z-index:1}
.timeline i.cur::before{content:"";position:absolute;left:-3px;top:0;width:7px;height:7px;background:var(--color-accent)}
.timeline .tick{position:absolute;top:32px;height:5px;width:1px;background:var(--color-rule)}
.timeline .tick span{position:absolute;top:8px;left:0;transform:translateX(-50%);font:400 11px/1 var(--font-measure);color:var(--color-muted);white-space:nowrap}
.timeline .tick.first span{transform:none}
.timeline .zone{position:absolute;right:0;top:21px;font:400 11px/1 var(--font-measure);color:var(--color-muted);background:var(--color-paper);padding-left:8px}

/* ------------------------------------------------------------------ analysis */
#plot{display:block;width:100%;height:clamp(220px,34vh,320px)}
#plot.none{display:none}
.otnav{display:flex;align-items:center;gap:6px;margin-top:8px;color:var(--color-ink-2)}
.otnav .btn{min-width:30px;height:26px;padding:0 8px;font-size:12px}
.otnav .btn svg{width:10px;height:10px}
.otnav #otlabel{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.otnav #otall{margin-left:auto}
#plot.zoomin{cursor:zoom-in}
#plot.zoomout{cursor:zoom-out}
.verdict{margin-top:10px;padding-left:10px;border-left:2px solid var(--color-rule);font-size:12.5px;line-height:1.45;color:var(--color-ink-2);max-width:68ch;text-wrap:pretty}
.verdict b{font-weight:600;color:var(--color-ink)}
.verdict b::after{content:"."}
.verdict[data-state=varies]{border-left-color:var(--color-accent-2)}
.seg button.flag::after{content:"";display:inline-block;width:5px;height:5px;margin-left:7px;vertical-align:2px;background:var(--color-accent-2)}
.legend{display:flex;flex-wrap:wrap;align-items:center;gap:4px 14px;margin-top:8px;font-size:11.5px;color:var(--color-ink-2)}
.legend .sw{vertical-align:0}
.legendbtn{height:20px;padding:0 7px;border:1px solid var(--color-rule-2);background:none;color:var(--color-ink-2);font:inherit;cursor:pointer}
.legendbtn:hover,.legendbtn[aria-pressed=true]{background:var(--color-lift);color:var(--color-ink)}
/* what a view gives away: small download buttons under a plot or a list */
/* the preliminary reading of the spectrum: a headline in ink, what it rests on, then its limits in the muted tone */
.reading{margin-top:14px;padding-top:12px;border-top:1px solid var(--color-rule-2)}
.readhead{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px}
.readhead h3{margin:0;font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--color-muted)}
.readconf{flex:none;padding:1px 7px;border:1px solid var(--color-rule);font:400 11.5px/1.5 var(--font-measure);color:var(--color-muted)}
.readconf[data-level="good"]{color:var(--color-measured);border-color:color-mix(in oklab,var(--color-measured) 45%,transparent)}
.readconf[data-level="moderate"]{color:var(--color-ink-2)}
.readline{margin:0;font-size:14.5px;line-height:1.45;color:var(--color-ink);text-wrap:pretty}
.readlist{margin:8px 0 0;padding:0;list-style:none;font-size:12.5px;line-height:1.5;color:var(--color-ink-2)}
.readlist li{position:relative;padding-left:13px;text-wrap:pretty}
.readlist li+li{margin-top:5px}
.readlist li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:1px;background:var(--color-muted)}
.readsub{margin:12px 0 0;font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--color-muted)}
.readsub+.readlist{margin-top:5px;color:var(--color-muted)}
.readref{margin-top:10px;font-size:12px;color:var(--color-ink-2)}
.readref summary{width:max-content;max-width:100%;cursor:pointer;font-size:12.5px;color:var(--color-ink-2)}
.readref summary:hover{color:var(--color-ink)}
.readref table{width:100%;margin-top:8px;border-collapse:collapse;font-variant-numeric:tabular-nums}
.readref th{padding:0 8px 4px 0;text-align:left;font-size:10.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--color-muted);white-space:nowrap}
.readref td{padding:4px 8px 4px 0;border-top:1px solid var(--color-rule-2);vertical-align:top;line-height:1.35}
.readref th:last-child,.readref td:last-child{padding-right:0}
.readref td b{font-weight:500;color:var(--color-ink)}
.readref td small{display:block;font-size:11px;color:var(--color-muted)}
.readref td.num{font-family:var(--font-measure);font-size:11.5px;white-space:nowrap}
.readref td.res{color:var(--color-muted)}
.readref tr[data-status="detected"] td.res{color:var(--color-ink)}
.readref tr[data-status="possible"] td.res{color:var(--color-ink-2)}
.readref td.src{font-size:11px;color:var(--color-muted)}
.readcite{margin:10px 0 0;padding:0;list-style:none;font-size:11.5px;line-height:1.45;color:var(--color-muted)}
.readcite li+li{margin-top:4px}
.readcite a{color:inherit}
.readfoot{margin:10px 0 0;font-size:11.5px;color:var(--color-muted)}
.sreading b{display:block;font-weight:500;color:var(--color-ink-2)}
.sreading i{display:block;margin-top:2px;font-style:normal;font-size:12px;color:var(--color-muted)}
.dlrow{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.dlrow .btn svg{width:11px;height:11px}
.dlrow a.btn:hover{text-decoration:none}
.files{list-style:none;margin:8px 0 0;padding:0;max-height:214px;overflow-y:auto;border:1px solid var(--color-rule);font-size:11.5px;color:var(--color-ink-2)}
.files li{display:grid;grid-template-columns:minmax(0,1fr) 38px 98px 34px;gap:8px;align-items:center;padding:4px 8px;border-top:1px solid var(--color-rule-2);white-space:nowrap}
.files li:first-child{border-top:0}
.files a{font-family:var(--font-display);font-size:12.5px;font-weight:500;text-align:right;text-decoration:underline;text-decoration-color:var(--color-muted-2)}
.files a:hover{text-decoration-color:var(--color-ink)}
#filesnote{margin:0}
.linkbtn{padding:0;border:0;background:none;color:var(--color-ink);font:inherit;text-decoration:underline;text-decoration-color:var(--color-muted-2);text-underline-offset:3px;text-decoration-thickness:1px;cursor:pointer}
.linkbtn:hover{text-decoration-color:var(--color-ink)}
.fileslinks{margin-top:12px}
.dataline .linkbtn{display:block;width:max-content;margin-top:3px;color:var(--color-ink-2);pointer-events:auto}
/* gone with the heading once the map is zoomed by hand; the first view is zoomed too, and there the heading stays */
.mapscreen.zoomed:not(.opening) .dataline .linkbtn{pointer-events:none}

/* "About the data": a page laid over the app. Not a <dialog>, so the hover notes still show above it. */
.sheet{position:fixed;inset:0;z-index:50;display:flex;justify-content:center;align-items:flex-start;padding:5vh var(--pad);background:color-mix(in oklab,var(--color-paper-3) 78%,transparent)}
.sheet[hidden]{display:none}
.sheetpage{display:flex;flex-direction:column;width:min(680px,100%);max-height:100%;border:1px solid var(--color-muted-2);background:var(--color-paper);outline:0}
.sheetpage header{flex:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px 10px 24px;border-bottom:1px solid var(--color-rule);background:var(--color-paper)}
.sheetpage header h2{font-size:15px;font-weight:600;color:var(--color-ink)}
.sheetbody{overflow-y:auto;overscroll-behavior:contain;padding:6px 24px 26px;font-size:13.5px;line-height:1.55;color:var(--color-ink-2)}
.sheetbody .lead{margin-top:14px;font-size:15px;line-height:1.5;color:var(--color-ink)}
.sheetbody h3{margin:26px 0 8px;padding-top:14px;border-top:1px solid var(--color-rule-2);font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--color-muted)}
.sheetbody p{max-width:66ch}
.sheetbody p+p{margin-top:8px}
.sheetbody table{width:100%;margin-top:12px;border-collapse:collapse}
.sheetbody th,.sheetbody td{padding:6px 0;border-top:1px solid var(--color-rule-2);text-align:left;vertical-align:top;font-weight:400}
.sheetbody th{width:104px;padding-right:14px;font-family:var(--font-measure);font-size:12.5px;color:var(--color-ink);white-space:nowrap}
.sheetbody .bands td{width:calc(50% - 60px);font-family:var(--font-measure);font-size:12.5px}
.sheetbody .bands th{width:60px}
.sheetbody .bands .sw{width:8px;height:8px;margin-right:6px;vertical-align:0}
.sw.d1{background:var(--d1)}.sw.d2{background:var(--d2)}.sw.d3{background:var(--d3)}.sw.d4{background:var(--d4)}.sw.d5{background:var(--d5)}.sw.d6{background:var(--d6)}
.sheetbody ol{margin:0;padding:0;list-style:none;counter-reset:step}
.sheetbody ol li{position:relative;padding:7px 0 7px 30px;border-top:1px solid var(--color-rule-2);counter-increment:step;max-width:70ch}
.sheetbody ol li:first-child{border-top:0}
.sheetbody ol li::before{content:counter(step);position:absolute;left:0;top:8px;font-family:var(--font-measure);font-size:12.5px;color:var(--color-muted)}
.sheetbody b{font-weight:600;color:var(--color-ink)}
.sheetbody .credit{margin-top:18px;font-size:12.5px;color:var(--color-muted)}
.sheetbody a{text-decoration:underline;text-decoration-color:var(--color-muted-2)}
.legend .sw.dia{transform:rotate(45deg);background:var(--color-ink-2);margin-right:6px}
.legend .sw.dia.hollow{background:none;border:1px solid var(--color-ink-2)}
.legend .hollow{background:none;border:1px solid var(--color-muted)}
dl{display:grid;grid-template-columns:112px minmax(0,1fr);margin:0}
dt,dd{padding:6px 0;border-top:1px solid var(--color-rule-2)}
dt:first-of-type,dt:first-of-type+dd{border-top:0;padding-top:0}
dt{padding-right:20px;font-size:12.5px;font-weight:500;color:var(--color-muted)}
dd{margin:0;font-family:var(--font-measure);font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--color-ink);overflow-wrap:anywhere}
.flag{display:inline-block;padding:0 5px;margin:1px 4px 1px 0;border:1px solid var(--color-rule);font-size:11px;line-height:17px;color:var(--color-ink-2)}
.flag.ok{border-color:transparent;padding-left:0;color:var(--color-accent-2)}
.links{display:flex;flex-wrap:wrap;gap:2px 18px;font-family:var(--font-display);font-size:13px;font-weight:500}
.howto dt{color:var(--color-ink)}
.howto dd{font-family:var(--font-display);font-size:13px;color:var(--color-ink-2);max-width:60ch}
.links a{text-decoration:underline;text-decoration-color:var(--color-muted-2)}
.links a:hover{text-decoration-color:var(--color-ink)}
.share{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.share label{width:36px;flex:none;font-size:12.5px;font-weight:500;color:var(--color-muted)}
.share input{flex:1;height:26px;padding:0 8px;border-color:var(--color-rule);color:var(--color-ink-2);font-size:11.5px}
.share .btn{min-width:58px}
.share+.note{margin-top:10px}
/* "All API endpoints": a line that opens onto one row per endpoint; the address is a link */
.apilist{margin-top:10px}
.apilist summary{width:max-content;max-width:100%;cursor:pointer;font-size:12.5px;color:var(--color-ink-2)}
.apilist summary:hover,.apilist[open] summary{color:var(--color-ink)}
.apilist h3{margin:14px 0 6px;font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--color-muted)}
.apilist .share{margin-bottom:4px}
.share .lab{width:66px;flex:none;margin-bottom:0}
#sharecard:has(.apilist[open])>.share label{width:66px}
.share .addr{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;line-height:24px;padding-bottom:2px;color:var(--color-ink-2);text-decoration:underline;text-decoration-color:var(--color-muted-2);text-underline-offset:3px}
.share .addr:hover{color:var(--color-ink);text-decoration-color:var(--color-ink)}
.apilist .note{margin-top:12px}
.note a{text-decoration:underline;text-decoration-color:var(--color-muted-2)}

/* (i) notes: text that explains, kept out of the way until asked for */
.headtip{position:relative;display:flex;align-items:center;gap:8px;min-width:0}
.tip{display:inline-flex;flex:none}
.tipbtn{width:18px;height:18px;padding:0;display:grid;place-content:center;border:1px solid var(--color-muted-2);background:none;color:var(--color-muted);transition:color var(--dur-short) var(--ease-out),border-color var(--dur-short) var(--ease-out)}
.tipbtn svg{width:12px;height:12px;fill:currentColor}
.tip:hover .tipbtn,.tipbtn:focus-visible,.tip.open .tipbtn{color:var(--color-ink);border-color:var(--color-ink-2)}
.tipbody{position:absolute;top:calc(100% + 8px);left:0;z-index:20;width:max-content;max-width:min(340px,calc(100vw - 2 * var(--pad)));padding:10px 12px;border:1px solid var(--color-muted-2);background:var(--color-lift);color:var(--color-ink-2);font:400 12.5px/1.5 var(--font-display);white-space:normal;text-align:left;visibility:hidden;opacity:0;transition:opacity var(--dur-short) var(--ease-out),visibility 0s var(--dur-short)}
.tip:hover .tipbody,.tip:focus-within .tipbody,.tip.open .tipbody{visibility:visible;opacity:1;transition-delay:0s}
.tipbody p+p{margin-top:8px}
.tip.out .tipbody{position:fixed;top:0;left:0;max-width:min(400px,calc(100vw - 16px));max-height:calc(100vh - 16px);overflow-y:auto;overscroll-behavior:contain}
/* one-line notes on the controls (hints.js): the same sheet as the (i) notes, never in the pointer's way */
.hintbox{position:fixed;z-index:60;pointer-events:none;width:max-content;max-width:min(280px,calc(100vw - 16px));padding:6px 10px;border:1px solid var(--color-muted-2);background:var(--color-lift);color:var(--color-ink);font:400 12.5px/1.45 var(--font-display);text-wrap:pretty;animation:hintin var(--dur-short) var(--ease-out)}
@keyframes hintin{from{opacity:0}}
.tipbody b{display:block;font-weight:500;color:var(--color-ink)}
.barlinks .tipbody{left:auto;right:var(--pad);top:calc(100% + 16px)}

/* ------------------------------------------------------------------ Simple: the picture, its story, play and share */
[data-ui="simple"]{--img:clamp(300px, calc(100vh - 176px), calc(100vw - 340px - 6 * var(--pad)))}
[data-ui="simple"] .shell{grid-template-columns:auto minmax(300px,430px);justify-content:center;column-gap:clamp(8px,2.5vw,36px);align-content:start}
[data-ui="simple"] .stage .well{margin-top:var(--pad)}
[data-ui="simple"] .transport .btn{height:38px}
[data-ui="simple"] .transport .btn.icon{width:38px}
[data-ui="simple"] #play{min-width:112px}
.scap{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;font-size:13px}
#sdate{color:var(--color-ink)}
.simplepanel{min-width:0;padding:calc(var(--pad) + 4px) var(--pad) var(--pad) 0}
#sname{font-size:clamp(24px,2.5vw,34px);line-height:1.08;letter-spacing:-.035em;text-wrap:balance}
.shead .who{align-items:flex-start;gap:12px}
.shead .tip{margin-top:.5em}
.skind{margin-top:8px;font-size:13px;font-weight:500;color:var(--color-muted)}
.story{margin-top:16px;max-width:44ch;font-size:16px;line-height:1.55;color:var(--color-ink-2);text-wrap:pretty}
.snote{margin-top:12px;max-width:44ch;padding-left:10px;border-left:2px solid var(--color-accent);font-size:13.5px;line-height:1.45;color:var(--color-muted);text-wrap:pretty}
.flagnote{display:block;margin-top:4px;font-family:var(--font-display);font-size:12px;line-height:1.35;color:var(--color-muted);white-space:normal}
.sactions{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.sactions .btn{height:38px;padding:0 14px}
.sactions .btn:hover{text-decoration:none}
.toadv{display:inline-flex;align-items:center;gap:8px;margin-top:24px;padding:0;border:0;background:none;color:var(--color-muted);font-size:13px;text-align:left;text-decoration:underline;text-decoration-color:var(--color-muted-2);text-underline-offset:3px;transition:color var(--dur-short) var(--ease-out)}
.toadv:hover{color:var(--color-ink)}
.toadv svg{width:11px;height:11px;fill:currentColor;flex:none}

/* ------------------------------------------------------------------ desktop: a fixed shell, each column scrolls on its own */
@media (min-width:1180px){
  body{height:100vh;overflow:hidden}
  .rail,.analysis,.stage{overflow-y:auto}
}
/* short laptop screens: the picture gives up height so the timeline stays in view */
@media (min-width:1180px) and (max-height:780px){
  [data-ui="adv"]{--img:clamp(320px, calc(100vh - 300px), calc(100vw - var(--rail-w) - 420px))}
}

/* ------------------------------------------------------------------ narrower: stage beside one settings column */
@media (max-width:1179.98px){
  :root{--img:clamp(300px, calc(100vh - 258px), calc(100vw - 360px - 2 * var(--pad)))}
  .bar{grid-template-columns:auto minmax(0,1fr) auto}
  .shell{grid-template-columns:auto minmax(0,1fr);grid-template-areas:"stage rail" "stage analysis";grid-template-rows:auto 1fr;align-items:start}
  .stage{grid-area:stage;position:sticky;top:0}
  .rail{grid-area:rail;border-right:0;border-left:1px solid var(--color-rule);border-bottom:1px solid var(--color-rule)}
  .analysis{grid-area:analysis;align-self:stretch}
}

/* ------------------------------------------------------------------ phone: one column, the page scrolls */
@media (max-width:759.98px){
  :root{--img:calc(100vw - 2 * var(--pad) - 2px)}
  .bar{height:auto;grid-template-columns:1fr auto;row-gap:10px;padding:10px 0}
  #search{grid-column:1 / -1;grid-row:2;flex-wrap:wrap;padding:0 var(--pad);max-width:none}
  #q{flex-basis:100%}
  #search .btn{flex:1}
  .shell{display:flex;flex-direction:column;align-items:stretch}
  .rail{display:contents}
  .rail .panel{border-bottom:0;border-top:1px solid var(--color-rule);min-width:0;max-width:100%}
  .stage,.analysis{max-width:100%}
  .rail .panel:first-child{order:-2;border-top:0;padding-bottom:10px}
  .stage{order:-1;position:static;width:auto;padding-bottom:18px}
  .targets{flex-direction:row;gap:8px;overflow-x:auto;padding:0 var(--pad) 4px;scrollbar-width:none}
  .target{flex:none;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--color-rule);min-height:40px}
  .target:first-child{border-top:1px solid var(--color-rule)}
  .target .nt{display:none}
  .stagehead{height:auto;flex-direction:column;align-items:flex-start;gap:3px;padding:12px 0 10px}
  .who{align-self:stretch}
  .stage>.well:first-child,.stagehead[hidden]+.well{margin-top:var(--pad)}
  .analysis{border-left:0;border-top:1px solid var(--color-rule)}
  .hud .wave,.cursor{display:none}
  .transport{flex-wrap:wrap}
  .speed{margin-left:auto}
  .speed span{display:none}
  #slider{order:5;flex-basis:100%}
  .btn,.seg button,.dets button,select,input[type=text]{min-height:40px}
  .btn.quiet{min-height:32px}
  .legendbtn{height:auto;min-height:32px}
}

/* ------------------------------------------------------------------ the bar and the new screens on smaller windows */
@container (max-width:520px){.transport{flex-wrap:wrap}.speed{margin-left:auto}#slider{order:5;flex-basis:100%}}
@media (max-width:1179.98px){
  .bar{grid-template-columns:auto minmax(0,1fr) auto auto}
  .barlinks{gap:14px;padding-left:16px}
  #tomap span{display:none}
  #tomap{width:32px;padding:0}
}
@media (max-width:999.98px){
  .bar,[data-ui="simple"] .bar,[data-screen="map"] .bar{height:auto;grid-template-columns:auto minmax(0,1fr) auto;row-gap:8px;padding:8px 0}
  .modes{justify-self:end;margin-left:0}
  #search{grid-column:1 / -1;grid-row:2;max-width:none;padding:0 var(--pad)}
  .searcherr{right:var(--pad)}
}
@media (max-width:899.98px){
  [data-ui="simple"]{--img:clamp(280px, calc(100vw - 2 * var(--pad) - 2px), calc(100vh - 250px))}
  [data-ui="simple"] .shell{display:flex;flex-direction:column;align-items:center}
  [data-ui="simple"] .stage{order:-1;position:static;width:calc(var(--img) + 2 * var(--pad) + 2px);max-width:100%;padding-bottom:6px}
  .simplepanel{display:contents}
  .shead,.sbody{width:calc(var(--img) + 2px);max-width:calc(100vw - 2 * var(--pad))}
  .shead{order:-2;padding-top:14px}
  .sbody{padding-bottom:28px}
  .story{margin-top:12px;font-size:15.5px}
}
@media (max-width:759.98px){
  .bar,[data-ui="simple"] .bar,[data-screen="map"] .bar{padding:8px 0 10px}
  .barlinks{gap:10px;padding:0 var(--pad) 0 10px}
  .barlinks a{display:none}
  [data-ui="simple"] #search{flex-wrap:nowrap}
  [data-ui="simple"] #q{flex:1 1 0}
  [data-ui="simple"] #search .btn{flex:none}
  [data-ui="adv"] #q{flex:1 1 calc(100% - 60px)}
  #search #tomap{flex:none;width:40px}
  .maphead{top:10px}
  /* the group of days gets a line of its own above its buttons: the dates are never cut */
  .otnav{flex-wrap:wrap}
  .otnav #otlabel{order:-1;flex:1 0 100%;white-space:normal}
  .maphead p{margin-top:4px;font-size:13px}
  .maphead p .long{display:none}
  .sheet{padding:0}
  .sheetpage{border-width:0;height:100%}
  .sheetpage header{padding-left:16px}
  .sheetbody{padding:6px 16px 32px}
  .mapstart{left:0;right:0;bottom:0;width:auto;border-width:1px 0 0;background:var(--color-paper)}
  .mapstart h2{display:none}
  .mapstart .targets{padding:8px var(--pad)}
  .mapstart .target{flex-direction:column;align-items:flex-start;gap:0;min-height:0;padding:7px 12px 8px}
  .mapstart .target::before{display:none}
  .mapstart .target:first-child{border-top:1px solid var(--color-rule)}
  .mapstart .target .nt{display:block}
  .mapfoot{display:none}
  .mapdo{left:0;right:0;bottom:68px;width:auto}
  .mapdo h2{display:none}
  .dolist{grid-auto-columns:max-content;border-width:1px 0 0;background:var(--color-paper)}
  .do{grid-template-columns:16px auto;align-items:center;min-height:44px;padding:0 14px}
  .do svg{grid-row:1;margin-top:0}
  .do .nt{display:none}
  .mapzoom{bottom:calc(84px + 45px)}
  [data-mapfull] .mapzoom{bottom:calc(16px + env(safe-area-inset-bottom, 0px))}
}
@media (max-width:479.98px){.brand span{display:none}.brand{padding-right:4px}}
@media (pointer:coarse){
  .tipbtn{position:relative}
  .tipbtn::after{content:"";position:absolute;inset:-11px}
  .mapfoot .hint{display:none}
  /* fingers need more room than a pointer */
  .btn,.seg button,.dets button,.panelhead .seg button{min-height:40px}
  .btn.quiet{min-height:36px}
  .legendbtn{height:auto;min-height:36px}
  .btn.icon{min-width:40px}
  .files li{padding:9px 8px}
  .files{max-height:238px}
  select,input[type="text"],input[type="search"],input[type="number"]{min-height:40px}
  .checks label{min-height:36px}
  .rail .target{min-height:40px;align-items:center}
}


@media (prefers-reduced-motion:reduce){*{transition:none!important}.hintbox{animation:none}.progress.busy #bar{animation:none;left:0;width:100%!important}}

/* ------------------------------------------------------------------ the sky map, alive (ambient.js)
   Behind the map canvas: a glow at the corners, a glow around the rim of the sky and a canvas of faint
   stars. Above it: a meteor, a ping on each featured target and the aiming frame. Only transform and
   opacity are animated. None of these layers takes a pointer event. */
.mapbg,.mapfx{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.mapbg canvas{position:absolute;left:0;top:0;width:100%;height:100%;display:block}
.neb{position:absolute;inset:-6%;will-change:transform}
/* the Milky Way band, painted once by ambient.js; it fades in, then breathes */
.neb canvas{position:absolute;left:0;top:0;width:100%;height:100%;display:block;opacity:0;transition:opacity 900ms linear;will-change:transform,opacity}
.neb canvas.on{opacity:1;animation:neb-a 47s ease-in-out 900ms infinite alternate}
@keyframes neb-a{from{opacity:1;transform:translate3d(0,0,0) scale(1)}to{opacity:.8;transform:translate3d(.5%,-.4%,0) scale(1.025)}}
/* a 200 x 100 ellipse that ambient.js moves and scales onto the rim of the sky; only its shadow shows */
.skyglow{position:absolute;left:0;top:0;width:200px;height:100px;border-radius:50%;box-shadow:0 0 7px 0 oklch(62% 0.19 300 / .50),0 0 22px 2px oklch(50% 0.17 295 / .26);will-change:transform,opacity;animation:skyglow 11s ease-in-out infinite alternate}
@keyframes skyglow{from{opacity:.6}to{opacity:1}}

/* the blink: one object seen at two dates, the way a moving star gives itself away */
.blinkmark{position:relative;display:inline-block;width:20px;height:.6em;margin-left:.45em}
.blinkmark i{position:absolute;width:6px;height:6px;background:var(--color-accent)}
.blinkmark i:first-child{left:0;bottom:0;animation:blink-a 1.7s steps(1,end) infinite}
.blinkmark i:last-child{left:13px;bottom:7px;opacity:.2;animation:blink-b 1.7s steps(1,end) infinite}
@keyframes blink-a{0%{opacity:1}50%{opacity:.2}}
@keyframes blink-b{0%{opacity:.2}50%{opacity:1}}
.mapscreen.zoomed .blinkmark i{animation-play-state:paused}

/* a ping on each featured target, one after the other */
.pinping{position:absolute;left:0;top:0;width:0;height:0}
/* (the ring is drawn at its largest size and grows into it, so its line is never thicker than a hairline) */
.pinping i{position:absolute;left:-21px;top:-21px;width:42px;height:42px;border:1px solid var(--color-accent);opacity:0;animation:pinping 4.15s var(--ease-out) infinite}
@keyframes pinping{0%{opacity:0;transform:scale(.36)}6%{opacity:.9}60%,100%{opacity:0;transform:scale(1)}}

/* the aiming frame: four corners around the pointer; they close on the picked point */
.reticle{position:absolute;left:0;top:0;width:0;height:0;opacity:0;--r:24px;--c:var(--color-accent-2);transition:opacity 120ms linear}
.reticle.glide{transition:opacity 120ms linear,transform 150ms var(--ease-out)}
.reticle[data-mode="aim"]{opacity:1;--r:12px}
.reticle[data-mode="star"]{opacity:1;--r:9px;--c:var(--color-ink)}
.reticle[data-mode="pin"]{opacity:1;--r:14px;--c:var(--color-accent)}
.reticle[data-mode="lock"]{opacity:1;--r:7px;--c:var(--color-accent)}
.reticle i{position:absolute;left:0;top:0;width:7px;height:7px;border:0 solid var(--c);transition:transform 280ms var(--ease-out),border-color 140ms linear}
.reticle i:nth-child(1){border-width:1px 0 0 1px;transform:translate(calc(-1 * var(--r)),calc(-1 * var(--r)))}
.reticle i:nth-child(2){border-width:1px 1px 0 0;transform:translate(calc(var(--r) - 7px),calc(-1 * var(--r)))}
.reticle i:nth-child(3){border-width:0 1px 1px 0;transform:translate(calc(var(--r) - 7px),calc(var(--r) - 7px))}
.reticle i:nth-child(4){border-width:0 0 1px 1px;transform:translate(calc(-1 * var(--r)),calc(var(--r) - 7px))}
.reticle b{position:absolute;left:-32px;top:-32px;width:64px;height:64px;border:1px solid var(--color-accent);opacity:0}
.reticle[data-mode="lock"] b{animation:lockping 1.25s var(--ease-out) 240ms infinite}
@keyframes lockping{0%{opacity:1;transform:scale(.22)}80%,100%{opacity:0;transform:scale(1)}}

/* a meteor: a streak whose bright end is at the element's right edge */
.meteor{position:absolute;left:-150px;top:0;width:150px;height:1.5px;opacity:0;transform-origin:100% 50%;background:linear-gradient(90deg,transparent,oklch(95.5% 0.045 95 / .45) 72%,#fff);will-change:transform,opacity}
.meteor.go{animation:meteor var(--t,900ms) cubic-bezier(.35,0,.75,1) both}
@keyframes meteor{
  0%{opacity:0;transform:translate3d(var(--x),var(--y),0) rotate(var(--a)) translateX(0) scaleX(.12)}
  14%,62%{opacity:1}
  100%{opacity:0;transform:translate3d(var(--x),var(--y),0) rotate(var(--a)) translateX(var(--d)) scaleX(1)}
}
#mapcoord{color:var(--color-ink)}

@media (prefers-reduced-motion:reduce){
  .neb canvas,.skyglow,.blinkmark i,.pinping i,.reticle b,.meteor{animation:none!important}
  .pinping,.meteor{display:none}
}

/* the note that names the sky photograph behind the zoomed-in map (atlas.js) */
.atlasnote{position:absolute;right:calc(var(--pad) - 6px);top:10px;max-width:calc(100% - 2 * var(--pad));margin:0;padding:2px 6px;font-size:11.5px;line-height:1.35;color:var(--color-muted);background:color-mix(in srgb,var(--color-paper) 72%,transparent);pointer-events:none;opacity:0;transition:opacity var(--dur-short) var(--ease-out)}
.mapscreen.atlas-on .atlasnote{opacity:1}
@media (max-width:700px){.atlasnote{right:auto;left:calc(var(--pad) - 6px);top:auto;bottom:129px;max-width:calc(100% - 2 * var(--pad) - 48px)}.atlasnote span{display:none}[data-mapfull] .atlasnote{bottom:calc(16px + env(safe-area-inset-bottom, 0px))}}