/* Twin Blockchain — public site. Dark, moonlit, plain and readable.
   Mobile first: one column, big tap targets, nothing buried. */
:root{
  --bg:#0b1020; --bg2:#111830; --card:#151d38; --line:#26315a;
  --ink:#eef1ff; --dim:#a7b0d4; --faint:#9aa6cc;
  --teal:#57d9c5; --gold:#e8c476; --violet:#a78bfa; --coral:#fb9a7a;
  --good:#5fd97a; --warn:#e8c476; --bad:#f28b82;
  --radius:14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:linear-gradient(180deg,#0b1020 0%,#0d1330 55%,#0b1020 100%);
  color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--teal);text-underline-offset:3px}
.btn:focus-visible,.tabs button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
table caption{text-align:left;color:var(--faint);font-size:.9rem;padding:4px 0 8px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
header.site{position:sticky;top:0;z-index:5;background:rgba(11,16,32,.92);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;padding-top:10px;padding-bottom:10px}
.brand{font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none}
.brand .moon{color:var(--gold)}
nav.main{display:flex;flex-wrap:wrap;gap:4px 14px;margin-left:auto}
nav.main a{color:var(--dim);text-decoration:none;padding:6px 2px;font-size:.98rem}
nav.main a[aria-current="page"]{color:var(--ink);border-bottom:2px solid var(--gold)}
main{padding:26px 0 10px}
h1{font-size:1.9rem;line-height:1.2;margin:.2em 0 .4em}
h2{font-size:1.3rem;margin:1.4em 0 .5em}
h3{font-size:1.05rem;margin:1em 0 .3em}
p{margin:.5em 0}
.lede{font-size:1.12rem;color:var(--dim);max-width:44em}
.small{font-size:.9rem;color:var(--dim)}
.faint{color:var(--faint)}
.grid{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:640px){.grid{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.grid{grid-template-columns:repeat(3,1fr)}
  .grid.family{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px}
.card h3{margin-top:0}
.coin-card{text-decoration:none;color:var(--ink);display:block}
.coin-card:hover{border-color:var(--teal)}
.sym{font-weight:800;letter-spacing:.04em}
.sym.twopi{color:var(--gold)} .sym.keel{color:var(--teal)}
.sym.agora{color:var(--violet)} .sym.tess{color:var(--coral)}
.height{font-size:1.7rem;font-weight:700;margin:.1em 0}
.dot{display:inline-block;width:.62em;height:.62em;border-radius:50%;margin-right:.45em;vertical-align:baseline}
.dot.good{background:var(--good)} .dot.warn{background:var(--warn)} .dot.bad{background:var(--bad)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:2px 14px;margin:.6em 0}
.kv dt{color:var(--faint)} .kv dd{margin:0;word-break:break-all}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;word-break:break-all}
table{width:100%;border-collapse:collapse;margin:.6em 0;font-size:.95rem}
.card{overflow-x:auto}
.tabs button{min-height:44px}nav.main a{min-height:44px;display:inline-flex;align-items:center}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
table,.height{font-variant-numeric:tabular-nums}
td{overflow-wrap:anywhere}
th{color:var(--faint);font-weight:600}
.banner{border-radius:var(--radius);padding:12px 16px;margin:14px 0;border:1px solid}
.banner.stale{background:#2a2110;border-color:var(--warn);color:#f3dfae}
.banner.down{background:#2a1414;border-color:var(--bad);color:#f6c1bc}
.notice{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;margin:14px 0}
.btn{display:inline-block;background:var(--teal);color:#07231d;font-weight:700;
  border:none;border-radius:10px;padding:11px 18px;font-size:1rem;cursor:pointer;text-decoration:none}
.btn.secondary{background:transparent;color:var(--teal);border:1px solid var(--teal)}
form.search{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
form.search input{flex:1 1 260px;background:var(--bg2);border:1px solid var(--line);
  border-radius:10px;color:var(--ink);padding:11px 14px;font-size:1rem}
form.search input::placeholder{color:var(--dim);opacity:1}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.tabs button{background:var(--bg2);color:var(--dim);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;font-size:.98rem;cursor:pointer}
.tabs button[aria-pressed="true"]{color:#07231d;background:var(--teal);border-color:var(--teal);font-weight:700}
.tabs a.btn[aria-current="page"]{background:var(--teal);color:#07231d;border-color:var(--teal)}
@media(max-width:640px){.health-label{font-size:.88rem;line-height:1.35;display:inline-block}
  .coin-card .height{font-size:1.45rem}}
#glossary-index{line-height:2}
#glossary-index a{display:inline-block;padding:0 2px}
dl.glossary dt{font-weight:700;margin-top:1em;color:var(--gold)}
dl.glossary dt:target{background:#1b2340;outline:1px solid var(--gold);outline-offset:4px}
h2:target,h3:target{background:#1b2340;outline:1px solid var(--gold);outline-offset:4px}
dl.glossary dd{margin:.2em 0 0;color:var(--dim);max-width:44em}
.skip-link{position:absolute;left:-999px;top:0;background:var(--gold);color:#1a1405;padding:10px 16px;z-index:20;font-weight:700}
.skip-link:focus{left:8px;top:8px}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{body{background:#fff;color:#111}header.site,footer.site,.skip-link{display:none}.card,.notice{border-color:#bbb;background:#fff;color:#111}a{color:#111}}
footer.site{border-top:1px solid var(--line);margin-top:36px;padding:22px 0 34px;color:var(--faint);font-size:.92rem}
footer.site a{color:var(--dim)}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 4px}
.stats-band{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0}
@media(min-width:960px){.stats-band{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.stat-num{font-size:1.7rem;font-weight:800;margin:0;color:var(--gold);font-variant-numeric:tabular-nums}
.stat-label{margin:.2em 0 0;color:var(--dim);font-size:.92rem}
ul.tight{margin:.4em 0;padding-left:1.2em}
ul.tight li{margin:.25em 0}
::selection{background:#e8c476;color:#1a1405}
.example-search,#clear-search{background:var(--bg2);color:var(--teal);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font:inherit;font-size:.9rem;cursor:pointer;min-height:44px;display:inline-flex;align-items:center}
.example-search:hover,#clear-search:hover{border-color:var(--teal)}