/* Vishveshwara Catalog. A restrained archive style: warm white ground, charcoal
   ink, one navy accent, hairline rules, no shadows or gradients. The family
   colours are those of the paper's figures, so a binary reads the same colour on
   the page and in print. */
:root{
  --ground:#fbfaf7; --panel:#f3f1ec; --ink:#1f2328; --ink-soft:#4b535d; --ink-faint:#6b727b;
  --rule:#dcd8cf; --rule-strong:#b9b3a7; --accent:#1f3a5f; --accent-soft:#e6ebf2;
  /* family colours in the previous release's muted palette: its nonspinning grey,
     teal and rust, extended with an ochre, a plum and a navy of the same weight */
  --f-nonspinning:#5a6472; --f-primary:#0f6f72; --f-secondary:#9a4a2a; --f-double:#b0802a;
  --f-precessing:#6b4c8a; --f-detailed:#1f3a5f; --f-demonstration:#9aa0a6;
  --serif:"Spectral",Georgia,serif; --sans:"Source Sans 3",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  /* the previous release's coverage colours, by the sign of the spin a panel plots */
  --pro:#0f6f72; --retro:#9a4a2a; --zero:#5a6472;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#16181b; --panel:#1e2125; --ink:#e6e3dd; --ink-soft:#b3b0aa; --ink-faint:#8a8781;
    --rule:#33363b; --rule-strong:#4a4e55; --accent:#9db8dc; --accent-soft:#232c38;
    --f-nonspinning:#8e99aa; --f-primary:#4fc3c6; --f-secondary:#e08a5f; --f-double:#e0b24f;
    --f-precessing:#b18ad8; --f-detailed:#9db8dc; --f-demonstration:#c4c4c4;
    --pro:#4fc3c6; --retro:#e08a5f; --zero:#8e99aa;
  }
}
:root[data-theme="dark"]{
  --ground:#16181b; --panel:#1e2125; --ink:#e6e3dd; --ink-soft:#b3b0aa; --ink-faint:#8a8781;
  --rule:#33363b; --rule-strong:#4a4e55; --accent:#9db8dc; --accent-soft:#232c38;
  --f-nonspinning:#8e99aa; --f-primary:#4fc3c6; --f-secondary:#e08a5f; --f-double:#e0b24f;
  --f-precessing:#b18ad8; --f-detailed:#9db8dc; --f-demonstration:#c4c4c4;
    --pro:#4fc3c6; --retro:#e08a5f; --zero:#8e99aa;
}

*{box-sizing:border-box}
html{scroll-padding-top:64px}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
code,pre,.mono{font-family:var(--mono);font-size:.88em}
/* the package names, boxed in the previous release's teal */
.pkg{font-family:var(--mono);font-size:.88em;font-style:normal;font-weight:500;padding:1px 5px;
  border:1px solid var(--rule);border-radius:2px;color:var(--pro);
  background:color-mix(in srgb,var(--pro) 7%,transparent)}
sub{font-size:.72em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---- header and navigation ---- */
header.site{position:sticky;top:0;z-index:10;background:var(--ground);
  border-bottom:1px solid var(--rule)}
header.site .bar{max-width:1180px;margin:0 auto;padding:0 24px;height:52px;
  display:flex;align-items:center;justify-content:space-between;gap:24px}
header.site .name{font-family:var(--serif);font-weight:600;font-size:18px;color:var(--ink);
  text-decoration:none;white-space:nowrap}
header.site nav{display:flex;gap:22px;overflow-x:auto}
header.site nav a{color:var(--ink-soft);text-decoration:none;font-size:15px;white-space:nowrap;
  padding:15px 0 13px;border-bottom:2px solid transparent}
header.site nav a:hover,header.site nav a.on{color:var(--ink);border-bottom-color:var(--accent)}

main{max-width:1180px;margin:0 auto;padding:0 24px}
.block{padding:44px 0 36px;border-bottom:1px solid var(--rule)}
.block:last-child{border-bottom:0}
h1{font-family:var(--serif);font-weight:600;font-size:34px;line-height:1.15;margin:0 0 6px}
h2{font-family:var(--serif);font-weight:600;font-size:25px;margin:0 0 6px}
h3{font-family:var(--serif);font-weight:600;font-size:18px;margin:26px 0 8px}
/* the name in the previous release's teal (light #0f6f72, dark #4fc3c6) */
h1 .mark{color:var(--pro)}
.subtitle{font-family:var(--serif);font-size:19px;color:var(--ink-soft);margin:0 0 10px}
.colophon{font-size:14px;color:var(--ink-faint);margin:0 0 4px}
.byline{font-size:14.5px;color:var(--ink);margin:0 0 26px}
.byline .aside{color:var(--ink-faint);font-size:13.5px}
.head{max-width:860px;margin-bottom:18px}
.lede{color:var(--ink-soft);margin:0}
.note{color:var(--ink-faint);font-size:14.5px}
.prose p{margin:0 0 12px;max-width:62ch}
.prose-wide{max-width:none;color:var(--ink-soft);font-size:15px}

/* ---- overview ---- */
.overview-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;
  align-items:start}
table{border-collapse:collapse;width:100%}
th,td{text-align:left;vertical-align:top}
.num{text-align:right;font-variant-numeric:tabular-nums}
table.summary caption{text-align:left;font-family:var(--serif);font-weight:600;font-size:16px;
  padding-bottom:6px}
table.summary th,table.summary td{padding:6px 0;border-top:1px solid var(--rule);font-size:15px}
table.summary th{font-weight:400;color:var(--ink-soft);width:42%;padding-right:12px}
table.summary tr:last-child th,table.summary tr:last-child td{border-bottom:1px solid var(--rule)}
table.families{margin-top:20px}
table.families th,table.families td{padding:5px 8px 5px 0;border-bottom:1px solid var(--rule);
  font-size:15px}
table.families thead th{font-weight:600;font-size:13px;color:var(--ink-soft);
  border-bottom:1px solid var(--rule-strong)}
table.families tfoot td{font-weight:600;border-bottom:0}
.swatch{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;
  vertical-align:0}

/* ---- coverage chart ---- */
.chart-controls{display:flex;gap:0;margin-bottom:10px;flex-wrap:wrap}
.seg{font:inherit;font-size:14px;background:var(--ground);color:var(--ink-soft);
  border:1px solid var(--rule-strong);padding:5px 12px;cursor:pointer;margin-right:-1px}
.seg:first-child{border-radius:2px 0 0 2px}
.seg:last-child{border-radius:0 2px 2px 0}
.seg[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--ground)}
figure.chart{margin:0;border:1px solid var(--rule);background:var(--ground);padding:12px 12px 10px}
.plot svg{display:block;width:100%;height:auto;font-family:var(--serif)}
.plot .axis line,.plot .axis path{stroke:var(--ink-soft);stroke-width:1}
.plot .grid line{stroke:var(--rule);stroke-width:1}
.plot .zero{stroke:var(--rule-strong);stroke-width:1}
.plot text{fill:var(--ink-soft);font-size:13px}
.plot text.label{fill:var(--ink);font-size:16px;font-style:italic}
.plot circle{stroke:none;fill-opacity:.78;cursor:pointer}
.plot circle.dim{opacity:.12}
.plot circle.sel{stroke:var(--ink);stroke-width:2;fill-opacity:1}
.legend span.item{display:inline-flex;align-items:center;color:var(--ink-soft)}
.swatch.lg{width:13px;height:13px}
.swatch.ring{background:none;border:1px solid var(--ink-faint)}
.legend{display:flex;flex-wrap:wrap;gap:4px 18px;padding:8px 4px 2px;font-size:14px}
.legend button{font:inherit;background:none;border:0;padding:2px 0;color:var(--ink);
  cursor:pointer;display:inline-flex;align-items:center}
.legend button[aria-pressed="false"]{color:var(--ink-faint);text-decoration:line-through}
.legend button[aria-pressed="false"] .swatch{opacity:.25}
figcaption{font-size:13.5px;color:var(--ink-faint);padding:6px 4px 0}
.tip{position:fixed;pointer-events:none;z-index:20;background:var(--ground);color:var(--ink);
  border:1px solid var(--rule-strong);padding:6px 9px;font-size:13px;line-height:1.4;
  max-width:300px}

/* ---- explore ---- */
.filters{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:flex-end;margin-bottom:12px}
.filters label{display:flex;flex-direction:column;font-size:12.5px;color:var(--ink-soft);gap:3px}
.filters label.range{flex-direction:row;align-items:center;gap:6px}
.filters label.range input{width:76px}
input,select{font:inherit;font-size:14.5px;color:var(--ink);background:var(--ground);
  border:1px solid var(--rule-strong);border-radius:2px;padding:5px 8px}
#fSearch{width:260px}
button.link{font:inherit;font-size:14px;background:none;border:0;padding:0;color:var(--accent);
  text-decoration:underline;text-underline-offset:2px;cursor:pointer}
.tablebar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:14px;
  padding:6px 0;border-top:1px solid var(--rule-strong)}
.tablebar .count{color:var(--ink-soft)}
.tablewrap{overflow:auto;max-height:640px;border-bottom:1px solid var(--rule-strong)}
table.catalog{font-size:14.5px}
table.catalog thead th{position:sticky;top:0;background:var(--panel);z-index:1;
  border-bottom:1px solid var(--rule-strong);padding:0}
table.catalog thead th button{font:inherit;font-size:13px;font-weight:600;color:var(--ink-soft);
  background:none;border:0;padding:8px 10px;width:100%;text-align:inherit;cursor:pointer;
  white-space:nowrap}
table.catalog thead th[aria-sort] button{color:var(--ink)}
table.catalog thead th[aria-sort="ascending"] button::after{content:" \2191"}
table.catalog thead th[aria-sort="descending"] button::after{content:" \2193"}
table.catalog td{padding:6px 10px;border-bottom:1px solid var(--rule);white-space:nowrap}
table.catalog tbody tr[data-id]{cursor:pointer}
table.catalog tbody tr[data-id]:hover td{background:var(--panel)}
table.catalog tbody tr[aria-expanded="true"] td{background:var(--accent-soft)}
td.id{font-family:var(--mono);font-size:13.5px}
td.spin.pos{color:var(--f-nonspinning)}
td.spin.neg{color:var(--f-primary)}
.badge{font-size:11.5px;color:var(--ink-soft);border:1px solid var(--rule-strong);
  border-radius:2px;padding:0 4px;margin-left:6px;vertical-align:1px}
.famdot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:7px}
tr.detail td{background:var(--ground);white-space:normal;padding:14px 10px 18px;
  border-bottom:1px solid var(--rule-strong)}
.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:28px}
.detail-grid h4{font-family:var(--serif);font-size:15px;margin:0 0 6px}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:3px 16px;margin:0;font-size:14px}
dl.kv dt{color:var(--ink-soft)}
dl.kv dd{margin:0;font-variant-numeric:tabular-nums}
table.tierlist td{padding:3px 12px 3px 0;border-bottom:1px solid var(--rule);font-size:14px;
  white-space:normal}
table.tierlist td:first-child{font-family:var(--mono);font-size:13px;white-space:nowrap}
.detail .files{font-size:13.5px;color:var(--ink-soft);margin:10px 0 6px}

/* ---- physics matrix ---- */
table.matrix{font-size:13.5px}
table.matrix th,table.matrix td{padding:5px 6px;border-bottom:1px solid var(--rule)}
table.matrix thead th{font-size:12.5px;font-weight:600;color:var(--ink-soft);vertical-align:bottom;
  border-bottom:1px solid var(--rule-strong);background:var(--panel)}
table.matrix thead tr.group th{background:none;border-bottom:1px solid var(--rule);
  font-family:var(--serif);font-size:14px;color:var(--ink);font-weight:600}
table.matrix td.tier{font-family:var(--mono);font-size:13px;white-space:nowrap}
table.matrix td.mark{text-align:center;color:var(--accent);font-size:15px}
table.matrix td.desc{color:var(--ink-soft);min-width:200px}
.matrixwrap{max-height:none;border-bottom:0}
table.matrix th.fam{white-space:nowrap}
table.matrix td.cnt{text-align:right;font-variant-numeric:tabular-nums}
table.matrix td.cnt.zero{color:var(--rule-strong)}
table.matrix .sep{border-left:1px solid var(--rule-strong)}
table.matrix tr.control td{color:var(--ink-faint)}
table.matrix tr.grouprow td{background:var(--panel);font-family:var(--serif);font-weight:600;
  color:var(--ink);font-size:14px}
dl.glossary{display:grid;grid-template-columns:max-content 1fr;gap:4px 16px;font-size:14px;
  margin:16px 0 0;max-width:900px}
dl.glossary dt{font-family:var(--mono);font-size:13px}
dl.glossary dd{margin:0;color:var(--ink-soft)}

/* ---- documentation ---- */
.doc-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px}
.doc-grid h3:first-child{margin-top:4px}
pre{background:var(--panel);border:1px solid var(--rule);padding:12px 14px;overflow-x:auto;
  font-size:13px;line-height:1.5;margin:8px 0 0}
pre .kw{color:var(--accent);font-weight:500}
pre .fn{color:var(--ink)}
pre .st{color:var(--f-secondary)}
pre .nm{color:var(--f-primary)}
pre .cm{color:var(--ink-faint)}
dl.spec{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;margin:0;font-size:14.5px}
dl.spec dt{color:var(--ink-soft)}
dl.spec dd{margin:0}
ul.plain{margin:0;padding-left:18px;font-size:14.5px}
ul.plain li{margin-bottom:5px}
.contact{font-size:14px;color:var(--ink-soft)}
ol.reflist{columns:2;column-gap:40px;font-size:13.5px;color:var(--ink-soft);padding-left:24px;
  margin:12px 0 0}
ol.reflist li{break-inside:avoid;margin-bottom:4px}

footer.site{border-top:1px solid var(--rule);margin-top:20px}
footer.site p{max-width:1180px;margin:0 auto;padding:18px 24px 28px;font-size:13.5px;
  color:var(--ink-faint)}

/* ---- narrow screens ---- */
@media (max-width:860px){
  .overview-grid,.doc-grid,.detail-grid{grid-template-columns:1fr;gap:24px}
  ol.reflist{columns:1}
  h1{font-size:28px}
  header.site .bar{padding:0 16px}
  header.site .name{display:none}
  main{padding:0 16px}
  #fSearch{width:100%}
  .filters label:first-child{flex:1 1 100%}
}
@media print{
  header.site{position:static}
  .chart-controls,.filters,.tablebar .actions{display:none}
  .tablewrap{max-height:none;overflow:visible}
}

/* running text justified on both sides; hyphenation keeps the word gaps even on
   narrow columns (the page is lang="en") */
.prose p,.lede,.prose-wide,.doc-grid p,figcaption,ul.plain li,dl.spec dd,dl.glossary dd{
  text-align:justify;-webkit-hyphens:auto;hyphens:auto}

/* the demonstration waveforms, full width under the header */
figure.demo-plot{margin:0 0 30px;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:10px 0 4px}
#demo svg{display:block;width:100%;height:auto;font-family:var(--serif)}
/* the radiation animation, full width at the end of the overview */
figure.radiation{margin:30px 0 0;border-top:1px solid var(--rule);padding:14px 0 0}
figure.radiation video{display:block;width:100%;height:auto;background:#f7f5f0;border:1px solid var(--rule)}
figure.radiation img{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--rule)}
#demo .zero{stroke:var(--rule);stroke-width:1}
#demo .grid line{stroke:var(--rule);stroke-width:1;opacity:.7}
#demo .axis line,#demo .axis path{stroke:var(--ink-soft);stroke-width:1}
#demo text{fill:var(--ink-soft);font-size:13px}
#demo text.panel{fill:var(--ink);font-size:13.5px}
#demo text.label{fill:var(--ink);font-size:16px;font-style:italic}
#demo .env{fill:none;stroke:var(--ink-faint);stroke-width:1;stroke-dasharray:4 3}
#demo .wave{fill:none;stroke-width:1.1}