/* MK7HQ site styles. Tokens first; components use tokens only. */
:root{
  color-scheme:light;
  --paper:#f6f7f4; --sheet:#ffffff; --sheet-2:#eef1f4; --rule:#1d2a3a; --rule-2:#c9d1db; --grid:rgba(29,42,58,.045);
  --ink:#16202c; --ink-2:#465465; --ink-3:#6f7c8c;
  --blue:#123f82; --blue-2:#0d3b7a; --blue-ink:#ffffff; --blue-soft:#e3ebf7;
  --red:#b3261e; --red-soft:#fbe9e7; --amber:#8a5a00; --amber-soft:#fff3d6; --green:#2f7a4f; --green-soft:#e2f2e8;
  --cond:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --paper:#0b1a33; --sheet:#0f2346; --sheet-2:#132a53; --rule:#cfdcf0; --rule-2:#2d4674; --grid:rgba(207,220,240,.05);
    --ink:#e9f0fb; --ink-2:#b4c3da; --ink-3:#8699b6;
    --blue:#8fb4ee; --blue-2:#6f9be0; --blue-ink:#0b1a33; --blue-soft:#1b3564;
    --red:#ff8a7a; --red-soft:#3d1d1d; --amber:#f2c26b; --amber-soft:#3a2e12; --green:#7fd3a2; --green-soft:#16362a;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --paper:#0b1a33; --sheet:#0f2346; --sheet-2:#132a53; --rule:#cfdcf0; --rule-2:#2d4674; --grid:rgba(207,220,240,.05);
  --ink:#e9f0fb; --ink-2:#b4c3da; --ink-3:#8699b6;
  --blue:#8fb4ee; --blue-2:#6f9be0; --blue-ink:#0b1a33; --blue-soft:#1b3564;
  --red:#ff8a7a; --red-soft:#3d1d1d; --amber:#f2c26b; --amber-soft:#3a2e12; --green:#7fd3a2; --green-soft:#16362a;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px}
a{color:var(--blue)} a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
img{max-width:100%;height:auto}

/* header */
.site-hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--blue-2);color:#fff;border-bottom:3px solid #0a2c5c}
.site-hdr .in{max-width:1240px;margin:0 auto;padding-inline:16px;display:flex;align-items:center;gap:8px 20px;min-height:56px;flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:8px;color:#fff;text-decoration:none;font-family:var(--cond);font-weight:800;font-size:26px;letter-spacing:.03em;line-height:1}
.brand small{font-weight:500;font-size:12px;letter-spacing:.16em;opacity:.8;text-transform:uppercase}
.nav{display:flex;flex-wrap:wrap;gap:2px;margin-left:auto}
.nav a{color:#fff;text-decoration:none;font-family:var(--cond);font-weight:600;font-size:14.5px;letter-spacing:.05em;text-transform:uppercase;padding:6px 7px;border-radius:3px;opacity:.85}
.nav a:hover,.nav a[aria-current="page"]{opacity:1;background:rgba(255,255,255,.14)}
.navtoggle{display:none;margin-left:auto;background:none;border:1px solid rgba(255,255,255,.6);color:#fff;font:600 14px/1 var(--cond);letter-spacing:.1em;text-transform:uppercase;padding:8px 10px;border-radius:3px}
@media (max-width:1320px){.brand small{display:none}}
@media (max-width:1100px){
  .navtoggle{display:block}
  .nav{display:none;width:100%;padding-bottom:10px}
  .nav.open{display:flex}
}

/* page */
.wrap{max-width:1240px;margin:0 auto;padding-inline:16px;padding-block:28px 64px}
.crumbs{font-family:var(--cond);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
h1,h2,h3,h4{font-family:var(--cond);line-height:1.08;text-wrap:balance;margin:0}
h1{font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:.01em;text-transform:uppercase}
.lede{font-size:18px;color:var(--ink-2);max-width:72ch;margin:10px 0 0}
.pagehead{padding-bottom:18px;margin-bottom:26px;border-bottom:2px solid var(--rule)}
.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;align-items:start}
@media (max-width:980px){.layout{grid-template-columns:1fr}}
.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 72px);font-size:14px;border-left:2px solid var(--rule-2);padding-left:12px}
.toc b{display:block;font-family:var(--cond);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.toc a{display:block;color:var(--ink-2);text-decoration:none;padding:3px 0}
.toc a:hover{color:var(--blue)}
@media (max-width:980px){.toc{position:static;border:1px solid var(--rule-2);border-radius:4px;padding:10px 12px;background:var(--sheet)}}
.content{min-width:0}
.content section{margin-bottom:40px;scroll-margin-top:80px}
.content h2{font-size:30px;font-weight:700;text-transform:uppercase;letter-spacing:.02em;padding-bottom:6px;margin-bottom:14px;border-bottom:1px solid var(--rule-2)}
.content h3{font-size:21px;font-weight:700;margin:22px 0 8px;letter-spacing:.01em}
.content p,.content li{max-width:78ch}
.content p{margin:0 0 12px}
.content ul,.content ol{margin:0 0 14px;padding-left:22px}
.content li{margin-bottom:4px}
code,.pn{font-family:var(--mono);font-size:.9em;font-variant-numeric:tabular-nums;white-space:nowrap}
.pn{background:var(--sheet-2);padding:1px 5px;border-radius:3px}

/* sheet (card) */
.sheet{background:var(--sheet);border:1px solid var(--rule-2);border-radius:4px;padding:16px 18px;margin-bottom:16px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-bottom:18px}
.card{background:var(--sheet);border:1px solid var(--rule-2);border-top:3px solid var(--blue);border-radius:4px;padding:14px 16px;text-decoration:none;color:var(--ink);display:block}
a.card:hover{border-color:var(--blue)}
.card h3{margin:0 0 6px;font-size:21px}
.card p{margin:0;color:var(--ink-2);font-size:15px}

/* tables */
.tw{overflow-x:auto;margin:0 0 18px;border:1px solid var(--rule-2);border-radius:4px;background:var(--sheet)}
table{border-collapse:collapse;width:100%;font-size:14.5px;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--rule-2);vertical-align:top}
th{font-family:var(--cond);font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--sheet-2);white-space:nowrap}
tr:last-child td{border-bottom:0}
td.num{white-space:nowrap}
td.src{font-size:12.5px;white-space:nowrap}
td.src a{color:var(--ink-3)}
dl.kv{display:grid;grid-template-columns:minmax(140px,220px) minmax(0,1fr);gap:6px 18px;margin:0 0 16px}
dl.kv dt{color:var(--ink-3)} dl.kv dd{margin:0}

/* notes and flags */
.note,.warn,.danger{border-left:4px solid var(--blue);background:var(--blue-soft);padding:10px 14px;border-radius:0 4px 4px 0;margin:0 0 16px;max-width:86ch}
.warn{border-color:var(--amber);background:var(--amber-soft)}
.danger{border-color:var(--red);background:var(--red-soft)}
.note p:last-child,.warn p:last-child,.danger p:last-child{margin-bottom:0}
.tag{display:inline-block;font-family:var(--cond);font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;padding:1px 6px;border-radius:3px;border:1px solid currentColor;vertical-align:1px;white-space:nowrap}
.tag.unverified{color:var(--amber)} .tag.conflict{color:var(--red)} .tag.official{color:var(--green)}
.tag.easy{color:var(--green)} .tag.medium{color:var(--amber)} .tag.hard{color:var(--red)}
sup.s{font-size:11px;margin-left:1px} sup.s a{text-decoration:none}

/* sources */
.sources{font-size:13.5px;color:var(--ink-2)}
.sources ol{padding-left:24px}
.sources li{overflow-wrap:anywhere;max-width:none}

/* footer */
.site-ftr{border-top:2px solid var(--rule);background:var(--sheet)}
.site-ftr .in{max-width:1240px;margin:0 auto;padding:20px 16px 28px;font-size:13.5px;color:var(--ink-2);display:grid;gap:8px}
.site-ftr p{margin:0;max-width:100ch}

/* home */
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:center;margin-bottom:34px}
@media (max-width:900px){.hero{grid-template-columns:1fr}}
.hero .fig{background:var(--sheet);border:1px solid var(--rule-2);border-radius:4px;padding:8px}
.stat{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:16px;font-family:var(--cond);text-transform:uppercase;letter-spacing:.06em;color:var(--ink-2)}
.stat b{display:block;font-size:30px;color:var(--ink);letter-spacing:.01em}
@media (prefers-reduced-motion:no-preference){.card{transition:border-color .12s}}

@media (max-width:700px){.tw table{min-width:680px}.tw td:first-child{min-width:130px}}