/*
  The house style of the background documents: a research paper rather than
  an instrument panel. Shared by every dossier so they read as one series.
  System faces only; this site sends no visitor to a font server.
*/
:root{
  --paper:#EDEEE9;
  --paper-2:#E3E5DE;
  --card:#F6F7F3;
  --ink:#191C1A;
  --ink-2:#4A504C;
  --ink-3:#6E756F;
  --rule:#C8CCC4;
  --rule-soft:#D8DBD3;

  --doc:#28595E;      /* documented */
  --inf:#7E6415;      /* inferred, or an analyst's estimate */
  --cla:#5B4A8F;      /* a state or a maker's own claim, unverified */
  --con:#9C3222;      /* contested */
  --unt:#5B5F63;      /* untraceable */

  --doc-bg:#DCE7E6;
  --inf-bg:#EDE6D0;
  --cla-bg:#E5E0F2;
  --con-bg:#F0DCD6;
  --unt-bg:#E0E2E1;

  --accent:#9C3222;
  --focus:#28595E;

  --measure:70ch;
  --step--1:0.815rem;
  --step-0:1.0rem;
  --step-1:1.16rem;
  --step-2:1.42rem;
  --step-3:1.78rem;
  --step-4:2.3rem;
  --step-5:3.1rem;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#141715;
    --paper-2:#1B1F1C;
    --card:#1E2220;
    --ink:#E6E8E2;
    --ink-2:#AFB5AF;
    --ink-3:#878E88;
    --rule:#333937;
    --rule-soft:#282D2B;

    --doc:#7FC3C6;
    --inf:#D6B558;
    --cla:#A99ADE;
    --con:#E68A73;
    --unt:#A0A6A8;

    --doc-bg:#1D3234;
    --inf-bg:#332C13;
    --cla-bg:#241F3B;
    --con-bg:#3A211B;
    --unt-bg:#262A2B;

    --accent:#E68A73;
    --focus:#7FC3C6;
  }
}
:root[data-theme="dark"]{
  --paper:#141715;
  --paper-2:#1B1F1C;
  --card:#1E2220;
  --ink:#E6E8E2;
  --ink-2:#AFB5AF;
  --ink-3:#878E88;
  --rule:#333937;
  --rule-soft:#282D2B;

  --doc:#7FC3C6;
  --inf:#D6B558;
  --cla:#A99ADE;
  --con:#E68A73;
  --unt:#A0A6A8;

  --doc-bg:#1D3234;
  --inf-bg:#332C13;
  --cla-bg:#241F3B;
  --con-bg:#3A211B;
  --unt-bg:#262A2B;

  --accent:#E68A73;
  --focus:#7FC3C6;
}

*{box-sizing:border-box}
html{color-scheme:light dark}
img{max-width:100%;height:auto}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  font-size:var(--step-0);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1140px;margin:0 auto;padding:0 clamp(1rem,4vw,2.75rem) 6rem}

/* ---------- masthead ---------- */
.mast{
  border-bottom:2px solid var(--ink);
  padding:clamp(2rem,5vw,3.4rem) 0 1.3rem;
  display:grid;gap:1.1rem;
}
.stamp{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:0.66rem;letter-spacing:0.19em;text-transform:uppercase;
  color:var(--accent);
  display:flex;flex-wrap:wrap;gap:0.5rem 1.4rem;align-items:center;
}
.stamp b{font-weight:500;color:var(--ink-3)}
h1{
  font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  font-weight:700;font-size:clamp(2.2rem,6.2vw,var(--step-5));
  line-height:1.02;letter-spacing:-0.022em;margin:0;text-wrap:balance;
}
.dek{
  font-size:var(--step-1);color:var(--ink-2);max-width:62ch;margin:0;
  line-height:1.55;
}
.mast-meta{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:0.7rem;color:var(--ink-3);line-height:1.8;
  display:flex;flex-wrap:wrap;gap:0.2rem 1.6rem;
}

/* ---------- evidence tiers ---------- */
.legend{
  margin:2.2rem 0 0;padding:1.35rem 1.4rem;
  background:var(--card);border:1px solid var(--rule);
}
.legend h2{
  font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;font-size:0.72rem;font-weight:600;
  letter-spacing:0.17em;text-transform:uppercase;color:var(--ink-3);margin:0 0 0.9rem;
}
.tiers{display:grid;gap:0.85rem;grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.tier{display:grid;grid-template-columns:auto 1fr;gap:0.65rem;align-items:start}
.tier .swatch{width:0.42rem;height:100%;min-height:2.4rem;border-radius:1px}
.tier p{margin:0;font-size:var(--step--1);line-height:1.45;color:var(--ink-2)}
.tier strong{
  display:block;font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;font-size:0.7rem;font-weight:600;
  letter-spacing:0.13em;text-transform:uppercase;color:var(--ink);margin-bottom:0.15rem;
}
.sw-doc{background:var(--doc)} .sw-inf{background:var(--inf)} .sw-cla{background:var(--cla)}
.sw-con{background:var(--con)} .sw-unt{background:var(--unt)}

.filters{
  display:flex;flex-wrap:wrap;gap:0.5rem;align-items:center;
  margin-top:1.25rem;padding-top:1.1rem;border-top:1px solid var(--rule-soft);
}
.filters .lab{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:0.66rem;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--ink-3);margin-right:0.3rem;
}
.fbtn{
  font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;font-size:0.72rem;font-weight:600;letter-spacing:0.09em;
  text-transform:uppercase;padding:0.36rem 0.7rem;cursor:pointer;
  background:transparent;color:var(--ink-2);
  border:1px solid var(--rule);border-radius:2px;
  transition:background .12s,color .12s,border-color .12s;
}
.fbtn:hover{border-color:var(--ink-3);color:var(--ink)}
.fbtn[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.fbtn:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

/* ---------- sections ---------- */
section{margin-top:clamp(3rem,7vw,4.6rem);scroll-margin-top:1.5rem}
.sec-head{border-top:1px solid var(--ink);padding-top:1rem;margin-bottom:1.8rem}
.sec-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:0.68rem;letter-spacing:0.2em;
  color:var(--accent);display:block;margin-bottom:0.5rem;
}
h2.sec-title{
  font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;font-weight:700;
  font-size:clamp(1.6rem,3.6vw,var(--step-4));line-height:1.08;letter-spacing:-0.017em;
  margin:0 0 0.5rem;text-wrap:balance;
}
.sec-sub{margin:0;color:var(--ink-2);max-width:var(--measure);font-size:var(--step-1)}

h3{
  font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;font-weight:600;font-size:var(--step-2);
  letter-spacing:-0.011em;line-height:1.2;margin:2.6rem 0 0.75rem;text-wrap:balance;
}
h4{
  font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;font-weight:600;font-size:0.78rem;
  letter-spacing:0.13em;text-transform:uppercase;color:var(--ink-3);
  margin:1.9rem 0 0.65rem;
}
p,ul,ol{max-width:var(--measure)}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1.15rem;padding-left:1.15rem}
li{margin-bottom:0.42rem}
li::marker{color:var(--ink-3)}
strong{font-weight:600}
em{font-style:italic}

/* ---------- claim blocks ---------- */
.claim{
  border-left:3px solid var(--rule);
  padding:0.15rem 0 0.15rem 1.05rem;
  margin:0 0 1.5rem;max-width:var(--measure);
}
.claim.doc{border-left-color:var(--doc)}
.claim.inf{border-left-color:var(--inf)}
.claim.cla{border-left-color:var(--cla)}
.claim.con{border-left-color:var(--con)}
.claim.unt{border-left-color:var(--unt)}
.claim > :last-child{margin-bottom:0}
.pill{
  display:inline-block;font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;font-size:0.6rem;font-weight:600;
  letter-spacing:0.14em;text-transform:uppercase;padding:0.16rem 0.44rem;border-radius:2px;
  vertical-align:0.14em;margin-right:0.5rem;
}
.doc .pill{background:var(--doc-bg);color:var(--doc)}
.inf .pill{background:var(--inf-bg);color:var(--inf)}
.cla .pill{background:var(--cla-bg);color:var(--cla)}
.con .pill{background:var(--con-bg);color:var(--con)}
.unt .pill{background:var(--unt-bg);color:var(--unt)}
body.filtering .claim{display:none}
body.filtering .claim.on{display:block}

/* ---------- document facsimile ---------- */
.doccard{
  background:var(--card);border:1px solid var(--rule);
  margin:1.6rem 0;max-width:var(--measure);
}
.dochead{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:0.68rem;line-height:1.75;
  padding:0.8rem 1.1rem;border-bottom:1px solid var(--rule);
  color:var(--ink-2);background:var(--paper-2);
}
.dochead .cls{color:var(--accent);letter-spacing:0.16em;display:block;margin-bottom:0.25rem}
.dochead .ttl{color:var(--ink);font-weight:500}
.docbody{padding:1.05rem 1.15rem}
.docbody p{margin:0 0 0.75rem;font-size:0.97rem}
.docbody p:last-child{margin:0}
blockquote{
  margin:0 0 0.85rem;padding:0;font-size:1.02rem;line-height:1.55;
}
blockquote p{margin:0 0 0.7rem}
blockquote p:last-child{margin:0}
.attrib{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:0.66rem;color:var(--ink-3);
  line-height:1.65;margin-top:0.65rem;
}

/* ---------- tables ---------- */
.tw{overflow-x:auto;margin:1.4rem 0 1.7rem;border:1px solid var(--rule);background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:0.86rem;min-width:540px}
caption{
  text-align:left;font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;font-size:0.68rem;font-weight:600;
  letter-spacing:0.14em;text-transform:uppercase;color:var(--ink-3);
  padding:0.75rem 0.95rem;border-bottom:1px solid var(--rule);background:var(--paper-2);
}
th,td{
  text-align:left;padding:0.52rem 0.95rem;border-bottom:1px solid var(--rule-soft);
  vertical-align:top;line-height:1.45;
}
thead th{
  font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;font-size:0.68rem;font-weight:600;letter-spacing:0.09em;
  text-transform:uppercase;color:var(--ink-3);border-bottom:1px solid var(--rule);
}
tbody tr:last-child td{border-bottom:none}
td.num,th.num{font-variant-numeric:tabular-nums;white-space:nowrap}
td.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:0.76rem;white-space:nowrap}
.yes{color:var(--doc);font-weight:600}
.no{color:var(--con);font-weight:600}

/* ---------- callout: claims that cannot be used ---------- */
.reject{
  border:1px solid var(--con);background:var(--con-bg);
  padding:1.3rem 1.4rem;margin:1.6rem 0;
}
.reject h4{color:var(--con);margin-top:0}
.reject ul{margin-bottom:0;max-width:none}
.reject li{margin-bottom:0.6rem}

.note{
  font-size:var(--step--1);color:var(--ink-3);max-width:var(--measure);
  border-top:1px solid var(--rule-soft);padding-top:0.75rem;margin-top:1.3rem;
}

/* ---------- verdict ---------- */
.verdict{
  border:1px solid var(--ink);padding:clamp(1.3rem,3.4vw,2rem);
  margin:2rem 0;max-width:var(--measure);background:var(--card);
}
.verdict h3{margin-top:0;font-size:var(--step-2)}
.verdict p:last-child{margin-bottom:0}

/* ---------- refs ---------- */
.refs{font-size:var(--step--1);line-height:1.55;max-width:none}
.refs li{margin-bottom:0.55rem;max-width:88ch}
a{color:var(--ink);text-decoration-color:var(--ink-3);text-underline-offset:2px}
a:hover{color:var(--accent);text-decoration-color:var(--accent)}
a:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

footer{
  margin-top:4rem;padding-top:1.2rem;border-top:2px solid var(--ink);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:0.68rem;color:var(--ink-3);
  line-height:1.8;
}

/* A two-row head: the upper row groups the columns beneath it. */
.tw thead tr:first-child:not(:only-child) th {
  border-bottom: 1px solid var(--rule-soft);
  color: var(--ink);
  padding-bottom: 0.5rem;
}

.tw thead tr:first-child:not(:only-child) th:empty {
  border-bottom: 0;
}

/* ---------- the series index ---------- */
.series{list-style:none;margin:2.2rem 0 0;padding:0;max-width:none;display:grid;gap:1.1rem}
.series li{margin:0}
.series a.card{
  display:block;text-decoration:none;color:inherit;
  background:var(--card);border:1px solid var(--rule);
  padding:clamp(1.1rem,3vw,1.65rem);
  transition:border-color .12s,background .12s;
}
.series a.card:hover{border-color:var(--ink);background:var(--paper-2);color:inherit}
.series a.card:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.series .idx{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:0.66rem;letter-spacing:0.19em;
  text-transform:uppercase;color:var(--accent);display:block;margin-bottom:0.5rem;
}
.series h3{
  margin:0 0 0.4rem;font-size:var(--step-2);
}
.series a.card:hover h3{color:var(--accent)}
.series p{margin:0 0 0.7rem;color:var(--ink-2);max-width:74ch}
.series .foot{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:0.68rem;color:var(--ink-3);
  display:flex;flex-wrap:wrap;gap:0.2rem 1.4rem;margin:0;
}
.forth{border-left:3px solid var(--rule);padding:0.1rem 0 0.1rem 1.05rem;color:var(--ink-2)}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media (max-width:640px){
  table{min-width:460px}
  .claim{padding-left:0.85rem}
}