:root{
  --bg:#F1F3F5; --card:#FFFFFF; --card2:#F6F8FA; --ink:#10141C; --soft:#5F6B7A;
  --rule:#E1E5EA; --field:#FFFFFF;
  --accent:#3B2BD0; --accentSoft:rgba(59,43,208,.09); --accentInk:#FFFFFF;
  --tokA:#3B2BD0; --tokB:#D9A02B;
  --good:#12764C; --goodSoft:rgba(18,118,76,.10);
  --bad:#B3372A; --badSoft:rgba(179,55,42,.09);
  --warn:#8A5A12; --warnSoft:rgba(138,90,18,.10);
  --shadow:0 1px 2px rgba(16,20,28,.05),0 4px 14px rgba(16,20,28,.05);
}
[data-theme="dark"]{
  --bg:#0B0D13; --card:#151A23; --card2:#1B212C; --ink:#ECEFF4; --soft:#8E99A8;
  --rule:#252C39; --field:#10151E;
  --accent:#7D6DFF; --accentSoft:rgba(125,109,255,.15); --accentInk:#0B0D13;
  --tokA:#7D6DFF; --tokB:#E5B356;
  --good:#33B682; --goodSoft:rgba(51,182,130,.14);
  --bad:#E8705F; --badSoft:rgba(232,112,95,.13);
  --warn:#D9A14A; --warnSoft:rgba(217,161,74,.13);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;
  transition:background .2s ease,color .2s ease}
.wrap{max-width:1160px;margin:0 auto;padding:22px 20px 40px}

/* ---- header + nav ---- */
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.brand{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:17px;letter-spacing:-.02em;
  text-decoration:none;color:var(--ink)}
.brand b{color:var(--accent)}
.topright{display:flex;gap:8px;align-items:center}
.themebtn,.mini{background:var(--card);border:1px solid var(--rule);border-radius:99px;padding:7px 13px;
  font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--soft);cursor:pointer;
  display:flex;align-items:center;gap:6px}
.themebtn:hover,.mini:hover{border-color:var(--accent);color:var(--accent)}
.themebtn:focus-visible,.mini:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
select.mini{padding-right:8px;-webkit-appearance:none;appearance:none;text-align:center}

nav.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--rule);margin-bottom:26px;
  padding-bottom:0;overflow-x:auto}
nav.tabs a{font-size:13.5px;font-weight:500;color:var(--soft);text-decoration:none;
  padding:9px 14px;border-bottom:2px solid transparent;white-space:nowrap;margin-bottom:-1px}
nav.tabs a:hover{color:var(--ink)}
nav.tabs a[aria-current="page"]{color:var(--accent);border-bottom-color:var(--accent)}
nav.tabs a.soon{opacity:.45;cursor:default;pointer-events:none}
nav.tabs a.soon::after{content:" soon";font-family:"IBM Plex Mono",monospace;font-size:9.5px;
  letter-spacing:.08em;text-transform:uppercase;vertical-align:super}

h1{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(30px,5vw,50px);
  line-height:1.02;letter-spacing:-.035em;margin:0 0 12px;max-width:20ch}
h1 em{font-style:normal;color:var(--accent)}
.lede{max-width:62ch;color:var(--soft);margin:0 0 24px;font-size:16px}

/* ---- cards + forms ---- */
.card{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:20px;
  margin-bottom:16px;box-shadow:var(--shadow)}
.card h2{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--soft);font-weight:500;margin:0 0 14px}
.loader{display:flex;gap:9px;flex-wrap:wrap;align-items:stretch}
.loader input{flex:1 1 340px;min-width:0}
button.go{font-size:14px;font-weight:600;background:var(--accent);color:var(--accentInk);border:0;
  border-radius:9px;padding:10px 22px;cursor:pointer;font-family:inherit;flex:none}
button.go:hover{filter:brightness(1.08)}
button.go:disabled{opacity:.5;cursor:default}
button.ghost{font-size:13px;font-weight:600;background:transparent;color:var(--accent);
  border:1px solid var(--accent);border-radius:9px;padding:9px 16px;cursor:pointer;font-family:inherit}
button.ghost:hover{background:var(--accentSoft)}
button.ghost:disabled{opacity:.4;cursor:default}
.status{margin-top:10px;font-size:13.5px;color:var(--soft);min-height:20px}
.status.err{color:var(--bad)} .status.ok{color:var(--good)} .status.warn{color:var(--warn)}
.hint{font-size:12.5px;color:var(--soft);margin-top:8px}
.grid{display:grid;grid-template-columns:minmax(0,336px) minmax(0,1fr);gap:16px;align-items:start}
@media(max-width:920px){.grid{grid-template-columns:1fr}}
fieldset{border:0;padding:0;margin:0 0 18px}
legend{font-size:12px;font-weight:600;padding:0;margin-bottom:8px}
label{display:block;font-size:12px;color:var(--soft);margin-bottom:4px}
input,select{width:100%;background:var(--field);border:1px solid var(--rule);border-radius:9px;
  padding:9px 11px;font-family:"IBM Plex Mono",monospace;font-size:14px;color:var(--ink)}
input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
input[readonly]{background:var(--card2);color:var(--soft)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:10px}
.row3{display:grid;grid-template-columns:.85fr 1fr 1fr;gap:9px;margin-bottom:10px}
.field{min-width:0;margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.chip{font-family:"IBM Plex Mono",monospace;font-size:11.5px;background:transparent;
  border:1px solid var(--rule);border-radius:99px;padding:5px 11px;color:var(--soft);cursor:pointer}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.on{background:var(--accent);border-color:var(--accent);color:var(--accentInk)}
details.adv{border-top:1px solid var(--rule);padding-top:14px;margin-top:4px}
details.adv summary{cursor:pointer;font-size:12px;font-weight:600;list-style:none;
  display:flex;justify-content:space-between;gap:10px;align-items:baseline}
details.adv summary::-webkit-details-marker{display:none}
details.adv summary .det{font-family:"IBM Plex Mono",monospace;font-weight:400;font-size:11.5px;
  color:var(--soft);text-align:right}
details.adv[open] summary{margin-bottom:14px}
.warnflag{color:var(--warn)}

/* ---- results ---- */
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.pill{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:6px 13px;
  font-size:12.5px;font-weight:500;border:1px solid var(--rule);background:var(--card)}
.pill .dot{width:7px;height:7px;border-radius:50%;flex:none;background:var(--soft)}
.pill.ok{color:var(--good);border-color:transparent;background:var(--goodSoft)}
.pill.ok .dot{background:var(--good)}
.pill.no{color:var(--bad);border-color:transparent;background:var(--badSoft)}
.pill.no .dot{background:var(--bad)}
.pill.mut{color:var(--soft)}
.headline{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:20px;
  margin-bottom:16px;box-shadow:var(--shadow)}
.hlabel{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--soft);display:block;margin-bottom:6px}
.hnum{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(30px,5vw,46px);
  line-height:1;letter-spacing:-.03em;display:block}
.hnum.up{color:var(--good)} .hnum.down{color:var(--bad)} .hnum.idle{color:var(--soft);font-size:26px}
.hnote{color:var(--soft);font-size:13.5px;margin:10px 0 0}
.ratio{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--soft);margin:0 0 14px}
.ratio b{color:var(--ink);font-weight:500}
.suggest{margin-top:14px;padding:11px 14px;border-radius:11px;background:var(--accentSoft);
  font-size:13px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.suggest button{font-size:12px;font-weight:600;background:var(--accent);color:var(--accentInk);
  border:0;border-radius:99px;padding:5px 13px;cursor:pointer;font-family:inherit}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.stat{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.stat.idle{opacity:.55}
.stat .t{font-size:13px;color:var(--soft);margin:0 0 6px}
.stat .v{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;font-size:26px;letter-spacing:-.02em;
  display:block;margin-bottom:14px}
.split{display:flex;height:5px;border-radius:99px;overflow:hidden;margin-bottom:11px;background:var(--card2)}
.split i{display:block;height:100%}
.legs{display:flex;flex-direction:column;gap:7px;min-height:18px}
.leg{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:13px}
.leg .s{display:flex;align-items:center;gap:7px;color:var(--soft)}
.leg .sw{width:8px;height:8px;border-radius:2px;flex:none}
.leg .amt{font-family:"IBM Plex Mono",monospace;color:var(--ink)}
.leg .usd{font-family:"IBM Plex Mono",monospace;color:var(--soft);font-size:12px}
.pos{color:var(--good)} .neg{color:var(--bad)}
.note{padding:13px 15px;border-radius:11px;font-size:13px;background:var(--accentSoft)}
.note+.note{margin-top:10px}
.note.warnbox{background:var(--warnSoft)}
.note.badbox{background:var(--badSoft)}
.note.mutbox{background:var(--card2);color:var(--soft)}
.note strong{font-family:"IBM Plex Mono",monospace;font-weight:600}
.note button{margin-top:9px;font-size:12px;font-weight:600;background:transparent;border:1px solid currentColor;
  color:inherit;border-radius:99px;padding:5px 13px;cursor:pointer;font-family:inherit}
.optgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:14px;margin-top:12px}
.optgrid .n{font-family:"IBM Plex Mono",monospace;font-size:18px;font-weight:500;display:block}

/* ---- ad slots ---- */
.adslot{margin:26px 0;min-height:90px;display:flex;align-items:center;justify-content:center;
  border:1px dashed var(--rule);border-radius:12px;color:var(--soft);
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.adslot:empty::before{content:"ad slot"}

/* ---- article content ---- */
.article{max-width:72ch;margin:40px auto 0;border-top:1px solid var(--rule);padding-top:34px}
.article h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:29px;
  letter-spacing:-.025em;margin:36px 0 12px;line-height:1.15}
.article h2:first-child{margin-top:0}
.article h3{font-size:17px;font-weight:600;margin:26px 0 8px}
.article p{margin:0 0 15px;color:var(--ink)}
.article ul,.article ol{margin:0 0 15px;padding-left:22px}
.article li{margin-bottom:7px}
.article strong{font-weight:600}
.article .k{font-family:"IBM Plex Mono",monospace;font-size:13.5px;
  background:var(--card2);padding:1px 6px;border-radius:4px}
.faq{border-top:1px solid var(--rule);margin-top:8px}
.faq details{border-bottom:1px solid var(--rule);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none;
  display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--soft);font-family:"IBM Plex Mono",monospace}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:11px 0 0;color:var(--soft);font-size:14px}

/* ---- footer ---- */
footer.site{border-top:1px solid var(--rule);margin-top:44px;padding:24px 0 0;
  color:var(--soft);font-size:13px}
footer.site .cols{display:flex;gap:30px;flex-wrap:wrap;justify-content:space-between}
footer.site a{color:var(--soft);text-decoration:none;border-bottom:1px solid var(--rule)}
footer.site a:hover{color:var(--accent);border-bottom-color:var(--accent)}
footer.site .legal{max-width:70ch;margin-top:18px;font-size:12px}
.disc{margin-top:34px;border-top:1px solid var(--rule);padding-top:18px;color:var(--soft);
  font-size:13px;max-width:80ch}
.disc h3{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  font-weight:500;margin:0 0 10px;color:var(--soft)}
.disc ul{margin:0;padding-left:18px} .disc li{margin-bottom:6px}

/* ---- recents + dismissable suggestion ---- */
.rlabel{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--soft);margin:14px 0 0}
.suggest .x{margin-left:auto;background:transparent;border:0;color:var(--soft);
  font-size:15px;line-height:1;cursor:pointer;padding:2px 4px;border-radius:5px}
.suggest .x:hover{color:var(--ink);background:var(--card2)}
.restore{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--soft);
  background:transparent;border:0;cursor:pointer;padding:0;margin-top:10px;
  border-bottom:1px solid var(--rule)}
.restore:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---- range comparison inside the suggestion box ---- */
.suggest.col{flex-direction:column;align-items:stretch;gap:10px}
.suggest .head{display:flex;gap:10px;align-items:flex-start;width:100%}
.suggest .head span{flex:1}
.cmp{display:grid;grid-template-columns:1fr auto auto;gap:5px 16px;
  font-size:12.5px;width:100%;border-top:1px solid var(--rule);padding-top:9px}
.cmp .h{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--soft)}
.cmp .r{color:var(--soft)}
.cmp b{font-family:"IBM Plex Mono",monospace;font-weight:500;color:var(--ink);text-align:right}
.cmp .win{color:var(--good)}
.suggest .acts{display:flex;gap:8px;flex-wrap:wrap}

/* prominent best-range action, sits under the headline number */
.bestbtn{margin-top:14px;font-size:13.5px;padding:10px 18px}

/* display rules on flex elements were beating the hidden attribute */
[hidden]{display:none !important}