:root {
  color-scheme: light dark;
  --paper:#f3f1eb;
  --paper-2:#e8e5dd;
  --ink:#171715;
  --muted:#5f5d56;
  --line:#c9c4b8;
  --panel:#fbfaf6;
  --accent:#d9661d;
  --accent-soft:#f1d3bd;
  --proof:#0e6e65;
  --proof-soft:#d4e8e4;
  --warn:#895b0d;
  --warn-soft:#eee2c7;
  --spec:#685377;
  --spec-soft:#e7dcea;
  --shadow:0 18px 55px rgba(32,27,19,.09);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper:#111210;
    --paper-2:#1b1c19;
    --ink:#f2efe6;
    --muted:#aaa89f;
    --line:#393a35;
    --panel:#181916;
    --accent:#ff8a42;
    --accent-soft:#4b2a19;
    --proof:#66c5b9;
    --proof-soft:#173d38;
    --warn:#e3bc6f;
    --warn-soft:#41341d;
    --spec:#c3a9d0;
    --spec-soft:#3b2c43;
    --shadow:0 18px 55px rgba(0,0,0,.28);
  }
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Georgia,'Times New Roman',serif;line-height:1.55;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}
button{font:inherit}
.shell{max-width:1180px;margin:0 auto;padding:24px 28px 88px}
.topline{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:10px 0 18px;border-bottom:1px solid var(--line);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;letter-spacing:.06em;color:var(--muted)}
.stamp{display:flex;align-items:center;gap:8px}
.stamp::before{content:"";width:8px;height:8px;background:var(--accent);border-radius:50%}
.method{white-space:nowrap}
.hero{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:64px;padding:72px 0 62px;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(46px,7.6vw,102px);line-height:.92;letter-spacing:-.052em;font-weight:500;margin:0 0 28px;max-width:880px}
.lede{font-size:clamp(20px,2.2vw,29px);line-height:1.34;max-width:780px;margin:0;color:var(--muted)}
.lede strong{color:var(--ink);font-weight:600}
.verdict{align-self:end;border-top:5px solid var(--proof);padding-top:20px}
.verdict b{font:700 12px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;color:var(--proof)}
.verdict p{font-size:18px;line-height:1.45;margin:12px 0 0}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-bottom:1px solid var(--line)}
.quick article{background:var(--paper);padding:28px 22px 30px;min-height:155px}
.quick .num{font:500 clamp(28px,4vw,48px)/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent);letter-spacing:-.06em}
.quick p{margin:14px 0 0;font-size:14px;line-height:1.4;color:var(--muted)}
.rail{position:sticky;top:0;z-index:6;background:color-mix(in srgb,var(--paper) 94%, transparent);backdrop-filter:blur(9px);border-bottom:1px solid var(--line);margin:0 -28px;padding:0 28px}
.rail-inner{max-width:1124px;margin:auto;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:11px 0}
.rail-inner::-webkit-scrollbar{display:none}
.rail a{flex:0 0 auto;text-decoration:none;border:1px solid transparent;padding:7px 10px;border-radius:3px;font:600 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}
.rail a:hover,.rail a.active{color:var(--ink);border-color:var(--line);background:var(--panel)}
.section{display:grid;grid-template-columns:230px minmax(0,1fr);gap:64px;padding:76px 0;border-bottom:1px solid var(--line);scroll-margin-top:64px}
.section-head{position:sticky;top:66px;align-self:start}
.section-index{font:600 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent);margin-bottom:16px}
.section h2{font-size:34px;line-height:1.05;letter-spacing:-.025em;font-weight:500;margin:0}
.section-head p{font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);margin:17px 0 0}
.content{min-width:0}
.content>p:first-child{font-size:22px;line-height:1.5;margin-top:-7px}
.content p{max-width:790px}
.tag{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:5px 9px;font:700 10px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.05em;vertical-align:middle;white-space:nowrap}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.verified{background:var(--proof-soft);color:var(--proof)}
.likely{background:var(--warn-soft);color:var(--warn)}
.speculative{background:var(--spec-soft);color:var(--spec)}
.correction{display:grid;grid-template-columns:38px 1fr;gap:16px;border-top:1px solid var(--line);padding:20px 0}
.correction:last-child{border-bottom:1px solid var(--line)}
.correction .mark{font:700 28px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent)}
.correction h3{font:600 18px/1.25 Georgia,'Times New Roman',serif;margin:0 0 5px}
.correction p{margin:0;color:var(--muted)}
.quote{margin:34px 0;padding:28px 30px;background:var(--panel);box-shadow:var(--shadow);border-top:4px solid var(--ink)}
.quote blockquote{margin:0;font-size:clamp(19px,2vw,25px);line-height:1.48}
.quote footer{display:flex;justify-content:space-between;gap:15px;align-items:end;margin-top:22px;padding-top:15px;border-top:1px solid var(--line);font:11px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}
.source-link{color:var(--accent);overflow-wrap:anywhere}
details{border-top:1px solid var(--line)}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;padding:17px 0;list-style:none;font:700 12px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;display:flex;justify-content:space-between;gap:18px;color:var(--ink)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:17px}
details[open] summary::after{content:"−"}
.detail-body{padding:2px 0 22px;color:var(--muted)}
.detail-body p{margin:7px 0}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;overflow-wrap:anywhere;font-size:.9em}
.evidence-chain{display:grid;grid-template-columns:1fr 54px 1fr 54px 1fr;margin:38px 0 28px;align-items:center}
.evidence-node{min-height:180px;background:var(--panel);border:1px solid var(--line);padding:20px;display:flex;flex-direction:column;justify-content:space-between}
.evidence-node .year{font:700 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent)}
.evidence-node h3{font-size:21px;line-height:1.15;margin:18px 0 8px}
.evidence-node p{font-size:14px;line-height:1.4;color:var(--muted);margin:0}
.arrow{height:1px;background:var(--line);position:relative}
.arrow::after{content:"";position:absolute;right:0;top:-4px;border-left:7px solid var(--line);border-top:4px solid transparent;border-bottom:4px solid transparent}
.chain-note{font-size:14px;color:var(--muted)}
.txflow{margin:34px 0;border-top:1px solid var(--line)}
.tx{display:grid;grid-template-columns:84px 130px minmax(0,1fr);gap:18px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
.tx .block{font:11px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}
.tx .amount{font:600 21px/1.1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent)}
.tx h3{font-size:17px;margin:0 0 5px}
.tx p{font-size:14px;margin:0;color:var(--muted)}
.identity-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:32px 0}
.identity{background:var(--panel);padding:25px;border-top:4px solid var(--line)}
.identity.primary{border-color:var(--proof)}
.identity h3{font-size:24px;margin:8px 0 12px;font-weight:500}
.identity p{font-size:15px;color:var(--muted)}
.identity dl{display:grid;grid-template-columns:110px 1fr;gap:9px;margin:22px 0 0;font-size:13px}
.identity dt{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}
.identity dd{margin:0}
.timeline{margin-top:34px}
.event{display:grid;grid-template-columns:126px 28px 1fr;gap:16px;position:relative;padding-bottom:32px}
.event:not(:last-child)::after{content:"";position:absolute;left:139px;top:17px;bottom:-1px;width:1px;background:var(--line)}
.event time{font:700 11px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);padding-top:2px}
.dot{width:13px;height:13px;margin-top:1px;border-radius:50%;border:3px solid var(--paper);outline:1px solid var(--line);background:var(--accent);z-index:1}
.event h3{font-size:19px;margin:0 0 5px}
.event p{font-size:14px;color:var(--muted);margin:0}
.theory{display:grid;grid-template-columns:150px 1fr auto;gap:18px;padding:20px 0;border-top:1px solid var(--line);align-items:start}
.theory:last-child{border-bottom:1px solid var(--line)}
.theory h3{font-size:17px;margin:0}
.theory p{font-size:14px;color:var(--muted);margin:0}
.sources{margin-top:30px;counter-reset:source}
.source{counter-increment:source;display:grid;grid-template-columns:34px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--line)}
.source::before{content:counter(source,decimal-leading-zero);font:700 11px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent)}
.source h3{font-size:15px;margin:0 0 3px}
.source p{font-size:12px;line-height:1.55;color:var(--muted);margin:0;overflow-wrap:anywhere}
.open-questions{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:30px}
.open-q{background:var(--paper);padding:22px}
.open-q b{font:700 11px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent)}
.open-q p{font-size:15px;line-height:1.45;margin:10px 0 0}
.closing{padding:66px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:64px}
.closing h2{font-size:clamp(34px,5vw,66px);line-height:1;letter-spacing:-.04em;font-weight:500;margin:0}
.closing p{font-size:18px;color:var(--muted);margin:0}
.noscript{padding:12px;background:var(--warn-soft);color:var(--warn);font:13px ui-monospace,monospace}
.page-view[hidden]{display:none}
.page-tabs{display:flex;gap:4px;align-items:center}
.page-tabs a{text-decoration:none;padding:7px 10px;border:1px solid transparent;border-radius:3px;color:var(--muted);font-weight:700}
.page-tabs a:hover,.page-tabs a.active{color:var(--ink);border-color:var(--line);background:var(--panel)}
.ledger-page{padding-top:56px}
.ledger-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(270px,.75fr);gap:64px;padding:16px 0 52px;border-bottom:1px solid var(--line)}
.ledger-hero h1{font-size:clamp(46px,7vw,88px);line-height:.94;letter-spacing:-.05em;font-weight:500;margin:14px 0 24px}
.ledger-hero p{font-size:20px;line-height:1.45;color:var(--muted);max-width:760px;margin:0}
.ledger-explain{align-self:end;border-top:5px solid var(--accent);padding-top:18px}
.ledger-explain p{font-size:16px;margin:10px 0 0}
.ledger-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-bottom:1px solid var(--line)}
.ledger-summary article{background:var(--paper);padding:24px 20px}
.ledger-summary b{display:block;font:500 32px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent);letter-spacing:-.05em}
.ledger-summary span{display:block;margin-top:10px;font-size:13px;line-height:1.35;color:var(--muted)}
.ledger-context{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:42px 0 34px;border-bottom:1px solid var(--line)}
.ledger-context p{margin:0;color:var(--muted)}
.ledger-context strong{color:var(--ink)}
.ledger-context .source-links{font:12px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace}
.ledger-toolbar{display:grid;grid-template-columns:minmax(220px,1fr) 220px auto;gap:14px;align-items:end;padding:34px 0 18px}
.ledger-field{display:grid;gap:7px;font:700 10px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;color:var(--muted)}
.ledger-field input,.ledger-field select{width:100%;min-height:43px;border:1px solid var(--line);border-radius:3px;background:var(--panel);color:var(--ink);padding:9px 11px;font:14px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace}
.ledger-count{padding:11px 0;font:700 11px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);white-space:nowrap}
.ledger-table{border-top:1px solid var(--ink)}
.ledger-grid{display:grid;grid-template-columns:54px minmax(220px,1.25fr) minmax(230px,1.15fr) 88px 112px minmax(150px,.8fr);gap:15px;align-items:start}
.ledger-head{padding:11px 0;border-bottom:1px solid var(--line);font:700 10px/1.25 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;color:var(--muted)}
.ledger-row{padding:15px 0;border-bottom:1px solid var(--line);font-size:13px}
.ledger-num{font:700 16px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent)}
.ledger-address,.ledger-range{font:12px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;overflow-wrap:anywhere}
.ledger-original{font:12px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace}
.ledger-original small{display:block;margin-top:4px;color:var(--muted);font-size:9px}
.ledger-record{font-size:12px;line-height:1.45;color:var(--muted)}
.state{display:inline-block;border-radius:999px;padding:5px 8px;font:700 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em;white-space:nowrap}
.state-open{color:var(--proof);background:var(--proof-soft)}
.state-solved{color:var(--muted);background:var(--paper-2)}
.state-retired{color:var(--warn);background:var(--warn-soft)}
.state-preused{color:var(--spec);background:var(--spec-soft)}
.ledger-empty{padding:34px 0;color:var(--muted)}
.ledger-foot{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:34px 0 8px;color:var(--muted);font-size:13px}
.ledger-foot p{margin:0}
@media(max-width:800px){
  .shell{padding:14px 18px 64px}.topline{font-size:10px}.method{display:none}
  .hero{grid-template-columns:1fr;gap:42px;padding:52px 0 42px}.hero h1{font-size:clamp(48px,16vw,70px)}
  .quick{grid-template-columns:1fr 1fr}.quick article{min-height:130px;padding:22px 14px}
  .rail{margin:0 -18px;padding:0 18px;position:static}
  .rail-inner{flex-wrap:wrap;gap:4px;padding:10px 0}
  .rail a{padding:6px 8px}
  .section{grid-template-columns:1fr;gap:27px;padding:56px 0}.section-head{position:static}.section-head p{max-width:520px}.section h2{font-size:31px}
  .content>p:first-child{font-size:19px}
  .evidence-chain{grid-template-columns:1fr;margin:28px 0}.arrow{width:1px;height:32px;margin:auto}.arrow::after{right:-3px;top:auto;bottom:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:7px solid var(--line);border-bottom:0}
  .evidence-node{min-height:145px}
  .identity-grid{grid-template-columns:1fr}.tx{grid-template-columns:84px 1fr}.tx .description{grid-column:1/-1}.timeline .event{grid-template-columns:90px 22px 1fr;gap:10px}.event:not(:last-child)::after{left:100px}
  .theory{grid-template-columns:1fr auto}.theory p{grid-column:1/-1}.open-questions{grid-template-columns:1fr}.closing{grid-template-columns:1fr;gap:24px}
  .quote{padding:22px 18px;margin:28px 0}.quote footer{display:block}.quote footer a{display:block;margin-top:8px}
  .page-tabs a{padding:6px 7px;font-size:9px}.ledger-page{padding-top:38px}.ledger-hero{grid-template-columns:1fr;gap:28px;padding:8px 0 38px}.ledger-hero h1{font-size:clamp(44px,14vw,64px)}
  .ledger-summary{grid-template-columns:1fr 1fr}.ledger-summary article{padding:19px 14px}.ledger-context{grid-template-columns:1fr;gap:20px;padding:32px 0 26px}
  .ledger-toolbar{grid-template-columns:1fr;gap:12px;padding-top:26px}.ledger-count{padding:2px 0 6px}
  .ledger-head{display:none}.ledger-row{display:block;padding:19px 0}.ledger-row>div{margin-top:12px}.ledger-row>div:first-child{margin-top:0}
  .ledger-row>div::before{content:attr(data-label);display:block;margin-bottom:4px;font:700 9px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;color:var(--muted)}
  .ledger-num{font-size:20px}.ledger-address,.ledger-range{font-size:11px}.ledger-foot{grid-template-columns:1fr;gap:17px}
}
@media(max-width:430px){.quick{grid-template-columns:1fr}.quick article{min-height:auto}.hero h1{font-size:48px}.tx{grid-template-columns:1fr;gap:8px}.tx .description{grid-column:auto}.identity dl{grid-template-columns:86px 1fr}.event{grid-template-columns:76px 20px 1fr!important}.event:not(:last-child)::after{left:85px!important}.source{grid-template-columns:26px 1fr}.ledger-summary{grid-template-columns:1fr}.topline{align-items:flex-start;gap:10px}.stamp{max-width:165px;line-height:1.35}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---- Landing bounty tile ---- */
.quick-5{grid-template-columns:repeat(5,1fr)}
.quick .bounty{border-left:3px solid var(--proof);position:relative}
.quick .bounty .num{color:var(--proof)}
.quick .bounty p strong{color:var(--ink);font-weight:600;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.bounty-note{display:block;margin-top:10px;font:10px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);letter-spacing:.03em}

/* ---- Clickable ledger rows ---- */
.ledger-row{cursor:pointer;transition:background .12s}
.ledger-row:hover,.ledger-row:focus-visible{background:var(--panel);outline:none}
.ledger-open{cursor:pointer;border:0;background:transparent;padding:0;font:inherit;color:inherit;text-align:left}
.ledger-open:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.retired-toggle{padding:26px 0;border-bottom:1px solid var(--line);display:grid;gap:10px;justify-items:start}
.retired-toggle button{cursor:pointer;border:1px solid var(--ink);background:var(--panel);color:var(--ink);padding:11px 16px;border-radius:3px;font:700 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em}
.retired-toggle button:hover{background:var(--ink);color:var(--paper)}
.retired-toggle p{margin:0;font-size:13px;color:var(--muted)}
.state-public{color:var(--proof);background:var(--proof-soft)}

/* ---- Puzzle detail modal ---- */
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(17,18,16,.55);backdrop-filter:blur(3px)}
.modal-card{position:relative;width:min(640px,100%);max-height:calc(100vh - 40px);overflow:auto;background:var(--paper);color:var(--ink);border-top:5px solid var(--accent);box-shadow:var(--shadow);padding:30px 32px 28px}
.modal-card:focus{outline:none}
.modal-close{position:absolute;top:12px;right:14px;cursor:pointer;border:0;background:transparent;color:var(--muted);font-size:26px;line-height:1;padding:4px 8px}
.modal-close:hover{color:var(--ink)}
.modal-kicker{font:700 11px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;color:var(--accent);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.modal-title{font-size:34px;line-height:1.05;letter-spacing:-.03em;font-weight:500;margin:12px 0 10px}
.modal-lede{margin:0 0 20px;color:var(--muted);font-size:16px}
.modal-facts{display:grid;grid-template-columns:140px 1fr;gap:10px 16px;margin:0;font-size:13px;border-top:1px solid var(--line);padding-top:16px}
.modal-facts dt{font:700 10px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.modal-facts dd{margin:0;overflow-wrap:anywhere}
.modal-facts small{color:var(--muted)}
.modal-foot{margin:20px 0 0;font:11px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}
body.modal-open{overflow:hidden}
@media(max-width:800px){
  .quick-5{grid-template-columns:1fr 1fr}
  .quick .bounty{grid-column:1/-1}
  .modal{padding:0;align-items:end}
  .modal-card{max-height:92vh;padding:24px 18px 22px;border-top-width:4px}
  .modal-facts{grid-template-columns:1fr;gap:4px 0}
  .modal-facts dt{margin-top:10px}
}
@media(max-width:430px){.quick-5{grid-template-columns:1fr}}

/* ---- Landing page ---- */
.home-page .hero h1{font-size:clamp(44px,7vw,96px)}
.verdict .num{font:500 clamp(34px,4.5vw,54px)/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--proof);letter-spacing:-.05em;margin:10px 0 6px}
.verdict p strong{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}
.how-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:30px 0}
.how-card{background:var(--paper);padding:22px}
.how-card b{font:700 11px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent)}
.how-card p{margin:10px 0 0;font-size:15px;line-height:1.45;color:var(--muted)}
.cracker{background:var(--panel);border-top:4px solid var(--ink);box-shadow:var(--shadow);padding:26px 28px;margin:30px 0 20px}
.cracker-controls{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:14px;align-items:end}
.cracker-controls .ledger-field{min-width:0}
.cracker-buttons{display:flex;gap:10px;grid-column:1/-1}
.btn-primary,.btn-secondary{cursor:pointer;border:1px solid var(--ink);padding:12px 18px;border-radius:3px;font:700 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--accent);border-color:var(--accent)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-secondary{background:transparent;color:var(--ink)}
.btn-secondary:hover{background:var(--paper-2)}
.cracker-facts{display:grid;grid-template-columns:90px 1fr;gap:6px 14px;margin:22px 0 0;font-size:13px;border-top:1px solid var(--line);padding-top:16px}
.cracker-facts dt{font:700 10px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;color:var(--muted)}
.cracker-facts dd{margin:0;overflow-wrap:anywhere}
.cracker-status{margin-top:18px;padding:10px 12px;border-radius:3px;font:700 11px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.03em}
.cracker-status.idle{background:var(--paper-2);color:var(--muted)}
.cracker-status.run{background:var(--warn-soft);color:var(--warn)}
.cracker-status.found{background:var(--proof-soft);color:var(--proof)}
.cracker-status.bad{background:var(--accent-soft);color:var(--accent)}
.cracker-progress{height:6px;background:var(--paper-2);margin-top:12px;overflow:hidden}
.cracker-bar{height:100%;width:0;background:var(--accent);transition:width .3s}
.cracker-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:16px}
.cracker-stats div{background:var(--paper);padding:14px 14px 12px;min-width:0}
.cracker-stats b{display:block;font:500 22px/1.1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums}
.cracker-stats b.wrap{white-space:normal;font-size:15px;line-height:1.3}
.cracker-stats b.small{font-size:11px}
.cracker-stats span{display:block;margin-top:6px;font:10px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);letter-spacing:.04em}
.cracker-result{margin-top:20px;border-top:4px solid var(--proof);background:var(--paper);padding:20px 22px}
.found-banner{font:700 12px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;color:var(--proof);margin-bottom:14px}
.cracker-result code{font-size:12px;user-select:all}
.odds-table{border-top:1px solid var(--ink);margin-top:28px}
.odds-row{display:grid;grid-template-columns:60px 1.3fr 1fr 1fr 1fr;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px;align-items:center}
.odds-row[data-lot]{cursor:pointer}
.odds-row[data-lot]:hover{background:var(--panel)}
.odds-head{font:700 10px/1.25 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;color:var(--muted)}
@media(max-width:800px){
  .how-grid{grid-template-columns:1fr}
  .cracker{padding:20px 16px}.cracker-controls{grid-template-columns:1fr}
  .cracker-stats{grid-template-columns:repeat(2,1fr)}
  .cracker-stats b{font-size:18px}
  .cracker-stats div{padding:12px 10px}
  .cracker-facts{grid-template-columns:1fr;gap:2px 0}.cracker-facts dt{margin-top:8px}
  .odds-row{grid-template-columns:50px 1fr;gap:6px 12px}.odds-head{display:none}
}

/* ---- Header links: X profile and BTC tip ---- */
.topline-links{display:flex;align-items:center;gap:8px;margin-left:auto;min-width:0}
.donate{position:relative}
.page-tabs a,.stamp{white-space:nowrap}
.x-link{display:inline-flex;align-items:center;gap:6px;text-decoration:none;padding:6px 9px;border:1px solid var(--line);border-radius:3px;color:var(--ink);font-weight:700;white-space:nowrap}
.x-link:hover{background:var(--panel);border-color:var(--ink)}
.donate{display:inline-flex;align-items:center;gap:8px;cursor:pointer;border:1px solid var(--accent);border-radius:3px;background:transparent;color:var(--ink);padding:6px 9px;font:inherit;font-weight:700;letter-spacing:.04em;min-width:0}
.donate:hover{background:var(--accent-soft)}
.donate-label{color:var(--accent)}
.donate-addr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.donate-short{font-weight:500;letter-spacing:0}
.donate-copied{color:var(--proof);font-weight:700}
.donate-copied:empty{display:none}
@media(max-width:800px){
  .topline{flex-wrap:wrap}
  .topline-links{margin-left:0;order:3;width:100%;justify-content:flex-start;flex-wrap:wrap}
  .x-link,.donate{padding:5px 8px;font-size:10px}
}

/* ---- Cracker tab ---- */
.cracker-page{padding-top:56px}
.cracker-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;padding:34px 0 0;align-items:start}
.cracker-main{display:grid;gap:18px;min-width:0}
.cracker-side{display:grid;gap:18px;position:sticky;top:66px}
.cracker-panel{background:var(--panel);border-top:4px solid var(--ink);box-shadow:var(--shadow);padding:22px 24px}
.panel-title{font:700 11px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;color:var(--accent);margin-bottom:16px}
.quickpicks{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.quickpicks button{cursor:pointer;border:1px solid var(--line);background:var(--paper);color:var(--muted);padding:7px 10px;border-radius:999px;font:700 10px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em}
.quickpicks button:hover,.quickpicks button.active{color:var(--ink);border-color:var(--ink);background:var(--paper-2)}
.quickpicks.disabled button{opacity:.5;pointer-events:none}
.cracker-page .cracker-controls{grid-template-columns:minmax(0,2fr) minmax(0,1.2fr) minmax(0,1.5fr) minmax(0,.6fr)}
.cracker-page #crk-customWrap{grid-column:1/-1}
.cracker-buttons{display:flex;flex-wrap:wrap;gap:10px}
.btn-link{display:inline-block;text-decoration:none}
.thread-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:6px;margin-top:14px}
.thread{display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:center;padding:6px 8px;background:var(--paper);border:1px solid var(--line);font-size:11px}
.thread b{font:700 10px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent)}
.thread .mono{font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thread em{font:10px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);font-style:normal}
.cracker-log{list-style:none;margin:0;padding:0;max-height:300px;overflow:auto;font-size:12px;color:var(--muted)}
.cracker-log li{padding:7px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:62px 1fr;gap:10px}
.cracker-log li:first-child{border-top:0}
.cracker-log time{font:700 10px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}
.cracker-log li.hit{color:var(--proof)}
.how-list{margin:0;padding-left:18px;font-size:13px;color:var(--muted);display:grid;gap:8px}
.result-facts dd{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.copy{cursor:pointer;border:1px solid var(--line);background:var(--paper);color:var(--muted);padding:3px 8px;border-radius:3px;font:700 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;text-transform:uppercase}
.copy:hover{color:var(--ink);border-color:var(--ink)}
.try-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:28px 0 24px}
.try-card{background:var(--paper);padding:20px;text-decoration:none;color:inherit;display:block}
.try-card:hover{background:var(--panel)}
.try-card b{font:700 10px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;color:var(--accent)}
.try-card span{display:block;margin-top:10px;font-size:17px}
.try-card p{margin:6px 0 0;font-size:13px;color:var(--muted)}
@media(max-width:1000px){.cracker-layout{grid-template-columns:1fr}.cracker-side{position:static}}
@media(max-width:800px){
  .cracker-page{padding-top:38px}.cracker-panel{padding:18px 16px}
  .cracker-page .cracker-controls{grid-template-columns:1fr}
  .try-grid{grid-template-columns:1fr}
  .thread-list{grid-template-columns:1fr}
}

/* ---- Per-puzzle pages ---- */
.puzzle-page{padding-top:40px}
.crumbs{font:11px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.puzzle-page .ledger-hero{padding-top:0}
.puzzle-page .ledger-hero h1{font-size:clamp(44px,7vw,84px)}
.puzzle-page .ledger-explain .num{font:500 clamp(30px,4vw,46px)/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent);letter-spacing:-.05em;margin:8px 0 6px}
.puzzle-facts{padding:34px 0 10px;border-bottom:1px solid var(--line)}
.puzzle-facts .modal-facts{border-top:0;padding-top:0;grid-template-columns:200px 1fr;font-size:14px}
.puzzle-body{padding:40px 0 20px;max-width:790px}
.puzzle-body h2{font-size:30px;line-height:1.1;letter-spacing:-.02em;font-weight:500;margin:0 0 14px}
.puzzle-body p{color:var(--muted);font-size:16px}
.puzzle-actions{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}
.puzzle-nav{display:flex;justify-content:space-between;gap:16px;padding-top:20px;border-top:1px solid var(--line);font:700 12px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace}
.puzzle-nav a{color:var(--ink);text-decoration:none}
.puzzle-nav a:hover{color:var(--accent)}
@media(max-width:800px){.puzzle-facts .modal-facts{grid-template-columns:1fr;gap:4px 0}.puzzle-facts .modal-facts dt{margin-top:10px}}
.modal-actions{margin:18px 0 0}
.ledger-page-link{white-space:nowrap}

/* ---- Static puzzle-page index (ledger and landing page) ---- */
.puzzle-index{padding:34px 0 8px;border-top:1px solid var(--line);margin-top:34px}
.puzzle-index h2{font-size:24px;line-height:1.15;letter-spacing:-.02em;font-weight:500;margin:0 0 18px}
.puzzle-index-group{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:12px 0;border-top:1px solid var(--line)}
.puzzle-index-group b{font:600 11px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.puzzle-index-group p,.puzzle-index-inline{margin:0;font:12px/2 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);overflow-wrap:anywhere}
.puzzle-index-group a,.puzzle-index-inline a{color:var(--ink);text-decoration:none;margin-right:6px}
.puzzle-index-group a:hover,.puzzle-index-inline a:hover{color:var(--accent);text-decoration:underline}
.puzzle-index-inline{margin-top:22px}
@media(max-width:800px){.puzzle-index-group{grid-template-columns:1fr;gap:4px}}