/* DNS Census — one stylesheet. Colour roles from the dataviz reference palette:
   slot 1 blue = births/positive, slot 2 orange = deaths/negative. */
:root{
  color-scheme: light;
  --bg:#fcfcfb; --surface:#ffffff; --ink:#0b0b0b; --ink-2:#52514e; --ink-3:#7a7974;
  --rule:#e7e6e1; --grid:#ecebe6; --accent:#c2410c;
  --s1:#2a78d6; --s2:#eb6834; --neutral:#8d8c86; --gap:#d9d8d2;
  --tip-bg:#0b0b0b; --tip-ink:#f6f5f2;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme: dark;
    --bg:#121211; --surface:#1a1a19; --ink:#f0efec; --ink-2:#c3c2b7; --ink-3:#8f8e86;
    --rule:#2c2c2a; --grid:#262624; --accent:#fb923c;
    --s1:#3987e5; --s2:#d95926; --neutral:#8f8e86; --gap:#3a3a37;
    --tip-bg:#f0efec; --tip-ink:#121211;
  }
}
:root[data-theme="dark"]{
  color-scheme: dark;
  --bg:#121211; --surface:#1a1a19; --ink:#f0efec; --ink-2:#c3c2b7; --ink-3:#8f8e86;
  --rule:#2c2c2a; --grid:#262624; --accent:#fb923c;
  --s1:#3987e5; --s2:#d95926; --neutral:#8f8e86; --gap:#3a3a37;
  --tip-bg:#f0efec; --tip-ink:#121211;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration:none}
code{font:0.88em ui-monospace,SFMono-Regular,Menlo,monospace}
h1,h2,h3{line-height:1.2;margin:0}
.probe-note{font-size:.8125rem;color:var(--ink-2);background:var(--surface);border-bottom:1px solid var(--rule);
  padding:8px 16px;text-align:center}
.top{max-width:1040px;margin:0 auto;padding:18px 16px 0;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;justify-content:space-between}
.brand{font-weight:700;letter-spacing:-.01em;color:var(--ink);text-decoration:none;font-size:1.0625rem}
.top nav{display:flex;flex-wrap:wrap;gap:4px 18px;font-size:.9375rem}
.top nav a{color:var(--ink-2);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.top nav a:hover{color:var(--ink)}
.top nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}
main{max-width:1040px;margin:0 auto;padding:8px 16px 40px}
.foot{max-width:1040px;margin:0 auto;padding:24px 16px 48px;border-top:1px solid var(--rule);font-size:.8125rem;color:var(--ink-2)}
.foot p{margin:.4rem 0;max-width:46rem}

.hero{padding:40px 0 20px}
.hero.small{padding:32px 0 8px}
.eyebrow{margin:0 0 10px;font-size:.8125rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2)}
.hero h1{font-weight:700;letter-spacing:-.02em;font-size:clamp(1.6rem,4vw,2.4rem)}
.hero h1 .big{display:block;font-size:clamp(2.75rem,10vw,5.5rem);letter-spacing:-.035em;line-height:1}
.hero h1 .unit{display:block;font-size:clamp(1.1rem,2.6vw,1.5rem);font-weight:500;color:var(--ink-2);margin-top:8px}
.hero h1.word{font-size:clamp(2.5rem,9vw,4.5rem);letter-spacing:-.03em;word-break:break-word}
.lede{font-size:1.0625rem;color:var(--ink-2);max-width:44rem;margin:14px 0 0}
.lede strong{color:var(--ink)}
.fine{font-size:.8125rem;color:var(--ink-3);max-width:46rem}
.muted{color:var(--ink-3)}
.crumb{margin:24px 0 0;font-size:.9375rem}
.stale{background:var(--surface);border:1px solid var(--rule);border-left:3px solid var(--accent);padding:10px 14px;margin:24px 0 0;font-size:.9375rem}

.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:12px}
.tile{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:16px 18px;display:flex;flex-direction:column;gap:4px}
.tile .k{font-size:.875rem;color:var(--ink-2);display:flex;align-items:center;gap:8px}
.tile .v{font-size:clamp(1.6rem,4vw,2.25rem);font-weight:650;letter-spacing:-.02em}
.tile .delta{font-size:.8125rem;color:var(--ink-3)}
.key{display:inline-block;width:10px;height:10px;border-radius:3px;background:var(--neutral);flex:none}
.key.s1{background:var(--s1)} .key.s2{background:var(--s2)} .key.gap{background:var(--gap)}

.panel{margin-top:28px;background:var(--surface);border:1px solid var(--rule);border-radius:12px;padding:20px 20px 16px;min-width:0}
.panel .panel{border:0;padding:0;background:none}
.panel-head{margin-bottom:12px}
.panel-head h2{font-size:1.125rem;font-weight:650}
.panel h3{font-size:.9375rem;font-weight:650;margin:18px 0 8px}
.sub{margin:6px 0 0;color:var(--ink-2);font-size:.9375rem}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin:8px 0 0;font-size:.8125rem;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 20px}
.split>.panel{margin-top:28px}
.more{margin:12px 0 0;font-size:.9375rem}

svg.chart{width:100%;height:auto;display:block;overflow:visible}
svg .grid{stroke:var(--grid);stroke-width:1}
svg .zero{stroke:var(--ink-3);stroke-width:1}
svg .tick{fill:var(--ink-3);font-size:12px;font-variant-numeric:tabular-nums}
svg .s1{fill:var(--s1)} svg .s2{fill:var(--s2)}
svg path.dim{opacity:.55}
svg .line{fill:none;stroke:var(--s1);stroke-width:2;stroke-linejoin:round}
svg .enddot{fill:var(--s1);stroke:var(--surface);stroke-width:2}
svg .endlabel{fill:var(--ink);font-size:12px;font-weight:600}
svg .hit,svg .hitdot{fill:transparent}
svg .col:hover .hit{fill:var(--grid);opacity:.6}
svg .gapmark{fill:var(--gap);opacity:.5}
svg.spark{display:block;overflow:visible}
svg.spark polyline{fill:none;stroke:var(--s1);stroke-width:1.5;stroke-linejoin:round}
svg.spark circle{fill:var(--s1)}

.tableview{margin-top:10px;font-size:.875rem}
.tableview summary{cursor:pointer;color:var(--ink-2)}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;max-height:none}
.tableview .scroll{max-height:320px;overflow-y:auto;margin-top:8px}
table.data{border-collapse:collapse;width:100%;font-size:.9375rem}
table.data th,table.data td{padding:7px 10px;border-bottom:1px solid var(--rule);text-align:left;white-space:nowrap}
table.data th{font-size:.8125rem;font-weight:600;color:var(--ink-2);position:sticky;top:0;background:var(--surface)}
table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}
table.data.compact th,table.data.compact td{padding:5px 8px}
table.sortable th{cursor:pointer;user-select:none}
table.sortable th[aria-sort="descending"]::after{content:" \2193"}
table.sortable th[aria-sort="ascending"]::after{content:" \2191"}
.sparkcol{width:130px}
.filter{font-size:.9375rem;color:var(--ink-2);display:inline-flex;gap:10px;align-items:center}
.filter input{font:inherit;padding:7px 10px;border:1px solid var(--rule);border-radius:8px;background:var(--surface);color:var(--ink);width:min(260px,60vw)}

.trendlist{list-style:none;margin:0;padding:0;counter-reset:t}
.trendlist li a{display:grid;grid-template-columns:1.6rem minmax(0,1fr) 80px 4.2rem 3.4rem;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid var(--rule);color:var(--ink);text-decoration:none}
.trendlist li a::before{counter-increment:t;content:counter(t);color:var(--ink-3);font-size:.8125rem;font-variant-numeric:tabular-nums}
.trendlist li a:hover .w{text-decoration:underline}
.trendlist .w{font-weight:600;overflow:hidden;text-overflow:ellipsis}
.trendlist .n,.trendlist .x{text-align:right;font-variant-numeric:tabular-nums;font-size:.875rem;color:var(--ink-2)}
.trendlist .x{color:var(--ink)}

.hbars{display:flex;flex-direction:column;gap:6px}
.hbar{display:grid;grid-template-columns:minmax(0,9.5rem) minmax(0,1fr) 4.5rem;gap:10px;align-items:center;font-size:.875rem}
.hname{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}
.htrack{height:10px;display:block}
.hfill{display:block;height:10px;border-radius:0 4px 4px 0;min-width:2px}
.hfill.s1{background:var(--s1)} .hfill.s2{background:var(--s2)}
.hval{text-align:right;font-variant-numeric:tabular-nums}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px;margin-top:18px}
.panel .cards{margin-top:4px}
.wcard{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:14px 16px}
.wcard header{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.wcard h3{font-size:1.25rem;font-weight:700;margin:0;letter-spacing:-.01em}
.wcard h3 a{color:var(--ink);text-decoration:none}
.wcard h3 a:hover{text-decoration:underline}
.wcard .x{margin-left:auto;font-weight:600;font-variant-numeric:tabular-nums}
.wcard .nums{margin:4px 0 8px;font-size:.875rem;color:var(--ink-2)}
.wcard .nums strong{color:var(--ink)}
.tag{font-size:.75rem;border:1px solid var(--rule);border-radius:999px;padding:1px 8px;color:var(--ink-2)}
.samples{list-style:none;padding:0;margin:10px 0 0;display:flex;flex-wrap:wrap;gap:4px 6px}
.samples li{font:.8125rem ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--bg);border:1px solid var(--rule);border-radius:6px;padding:1px 6px;color:var(--ink-2);word-break:break-all}
.samples.big li{font-size:.9375rem;padding:4px 10px}
.wordcloud{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 18px}
.wordcloud a{font-weight:600}
.wordcloud .n{color:var(--ink-3);font-size:.8125rem;font-variant-numeric:tabular-nums}
.prose{max-width:44rem}
.prose h2{font-size:1.125rem;margin:28px 0 8px}
.prose p{color:var(--ink-2)}

.tip{position:fixed;z-index:10;pointer-events:none;background:var(--tip-bg);color:var(--tip-ink);font-size:.8125rem;line-height:1.45;
  padding:7px 10px;border-radius:8px;max-width:260px;box-shadow:0 4px 18px rgba(0,0,0,.18)}
.tip b{display:block;font-weight:600}

@media (max-width:760px){
  .tiles{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .panel{padding:16px 14px 12px}
  .hbar{grid-template-columns:minmax(0,7.5rem) minmax(0,1fr) 4rem}
  .trendlist li a{grid-template-columns:1.4rem minmax(0,1fr) 60px 3.6rem 3rem;gap:8px}
  .trendlist svg.spark{width:60px}
}
.callout{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:12px 16px;margin:18px 0 0;font-size:.9375rem;color:var(--ink-2);max-width:52rem}
.callout strong{color:var(--ink)}
.wcard .why{margin:0 0 8px;font-size:.8125rem;color:var(--ink-2)}
.chartwrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:760px){.chartwrap svg.chart{min-width:640px}}
svg path.flagged{opacity:.35}