:root{
  --bg:#f5f1e8;--surface:#fffdf7;--surface-2:#ece6d8;--text:#1f1d1a;--text-2:#3f3b35;--muted:#625c52;
  --line:#cbc2b0;--line-soft:#ddd5c5;--accent:#6a2fa0;--accent-ink:#fff;--ok:#2e6a3a;--hi:#1f1d1a;
  --m-line:rgba(120,110,90,.35);--m-county:#8d8470;
  --c-psd:#c8362d;--c-pnl:#d9a80f;--c-udmr:#2f8f4e;--c-alte:#7a62b0;--c-ind:#6f7780;--c-loc:#a38b64;--c-joint:#d2702d;
  --cat-k:#d6d0c0;--cat-p:#6a2fa0;--cat-o:#e39a2d;--cat-l:#6fa3c9;--cat-n:#efeae0;--c-z:#faf7f0;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --bar:3.1rem;--maxw:44rem;--wide:78rem;color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#16171a;--surface:#1d1f23;--surface-2:#26292e;--text:#ede8de;--text-2:#d2ccc1;--muted:#a59f95;
  --line:#3b4047;--line-soft:#30343a;--accent:#c79bff;--accent-ink:#1b1b1b;--ok:#8fd19e;--hi:#ffffff;
  --m-line:rgba(200,200,200,.18);--m-county:#6a7078;
  --c-psd:#ef6a5f;--c-pnl:#f0c23a;--c-udmr:#5cc07f;--c-alte:#a58fd6;--c-ind:#9aa3ad;--c-loc:#c5ad82;--c-joint:#f09a5c;
  --cat-k:#3d4046;--cat-p:#b98af0;--cat-o:#f0b24e;--cat-l:#5c91ba;--cat-n:#24272c;--c-z:#1d1f23;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#16171a;--surface:#1d1f23;--surface-2:#26292e;--text:#ede8de;--text-2:#d2ccc1;--muted:#a59f95;
  --line:#3b4047;--line-soft:#30343a;--accent:#c79bff;--accent-ink:#1b1b1b;--ok:#8fd19e;--hi:#ffffff;
  --m-line:rgba(200,200,200,.18);--m-county:#6a7078;
  --c-psd:#ef6a5f;--c-pnl:#f0c23a;--c-udmr:#5cc07f;--c-alte:#a58fd6;--c-ind:#9aa3ad;--c-loc:#c5ad82;--c-joint:#f09a5c;
  --cat-k:#3d4046;--cat-p:#b98af0;--cat-o:#f0b24e;--cat-l:#5c91ba;--cat-n:#24272c;--c-z:#1d1f23;color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--bar) + 1rem)}
body{margin:0;background:var(--bg);color:var(--text);font:1.0625rem/1.62 var(--serif);overflow-wrap:break-word}
a{color:var(--accent)}a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0}.skip:focus{left:1rem;top:.5rem;z-index:100;background:var(--surface);padding:.5rem .8rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1rem}
.wide{max-width:var(--wide);margin:0 auto;padding:0 1rem}
.muted{color:var(--muted)}
/* topbar */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:.5rem;height:var(--bar);padding:0 max(1rem,env(safe-area-inset-left));background:var(--bg);border-bottom:1px solid var(--line-soft);font:500 .88rem/1 var(--sans);white-space:nowrap}
.brand{display:flex;align-items:center;gap:.45rem;color:var(--text);text-decoration:none;font-weight:700;flex:0 1 auto;min-width:0}
.brand span{overflow:hidden;text-overflow:ellipsis}.brand-mark{flex:none}
.brand-mark{width:1.25rem;height:1.25rem}
.topnav{display:flex;gap:.1rem;overflow-x:auto;scrollbar-width:none;min-width:0;margin-left:.6rem}
.topnav::-webkit-scrollbar{display:none}
.topnav a{color:var(--text-2);text-decoration:none;padding:.5rem .5rem;border-radius:.4rem}
.topnav a:hover,.topnav a[aria-current="true"]{color:var(--accent)}
@media (max-width:760px){.topnav{display:none}.brand span{font-size:.9rem}}
.spacer{flex:1}
.chip{color:var(--text-2);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.38rem .6rem;flex:none;font-size:.8rem}
.chip[aria-current="page"]{color:var(--text);border-color:var(--text-2)}
.icon-btn{display:inline-grid;place-items:center;width:2.4rem;height:2.4rem;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;flex:none}
.icon-btn svg[hidden]{display:none}
@media (pointer:coarse){.icon-btn{width:2.75rem;height:2.75rem}}
/* hero */
header.hero{padding-top:2rem;padding-bottom:.6rem}
.kicker{font:600 .8rem/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin:0 0 .55rem}
h1{font:700 clamp(1.75rem,4.6vw,2.75rem)/1.1 var(--serif);margin:0 0 .85rem;letter-spacing:-.01em}
.deck{font-size:1.16rem;line-height:1.52;color:var(--text-2);margin:0 0 .9rem}
.byline{font:.86rem/1.4 var(--sans);color:var(--muted);margin:0}
h2{font:700 clamp(1.4rem,3.3vw,1.9rem)/1.18 var(--serif);margin:0 0 .8rem}
.anchor{display:inline-grid;place-items:center;width:2.75rem;height:2.75rem;margin-left:.05rem;vertical-align:middle;color:var(--muted);text-decoration:none;font:400 1.05rem/1 var(--sans);opacity:.5}
.anchor:hover,.anchor:focus-visible{opacity:1;color:var(--accent)}
section.chapter{padding-top:2.4rem;padding-bottom:.6rem;scroll-margin-top:calc(var(--bar) + .5rem)}
p{margin:0 0 1rem}
.note{font:.88rem/1.5 var(--sans);color:var(--muted)}
ul.plain{padding-left:1.1rem;font:.95rem/1.5 var(--sans)}ul.plain li{margin:.3rem 0}
/* instrument */
.instrument{padding-top:.6rem;padding-bottom:.4rem;scroll-margin-top:calc(var(--bar) + .3rem)}
.search label{display:block;font:600 .9rem/1.3 var(--sans);margin:0 0 .35rem}
.search-row{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
#q{flex:1 1 14rem;min-width:0;max-width:34rem;min-height:2.85rem;font:1rem var(--sans);padding:.45rem .75rem;border-radius:.5rem;border:1px solid var(--line);background:var(--surface);color:var(--text)}
.hint{font:.85rem/1.35 var(--sans);color:var(--muted);margin:.4rem 0 .6rem}
.search{position:relative;max-width:34rem}
.sugg{position:absolute;z-index:30;left:0;right:0;top:4.6rem;margin:0;padding:.2rem 0;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:.5rem;box-shadow:0 6px 22px rgba(0,0,0,.14);font:.95rem/1.3 var(--sans)}
.sugg li{padding:.62rem .8rem;cursor:pointer;min-height:2.75rem}
.sugg li[aria-selected="true"],.sugg li:hover{background:var(--surface-2)}
.sugg li.none{color:var(--muted);cursor:default}
.btn{display:inline-flex;align-items:center;justify-content:center;font:600 .9rem/1 var(--sans);min-height:2.75rem;padding:0 .95rem;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer;text-decoration:none}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn[hidden]{display:none}
/* share */
.share-row{display:flex;flex-wrap:wrap;gap:.35rem;align-items:center}
.share-row[hidden],.facts[hidden],.legend[hidden],.stage[hidden]{display:none}
.share-row .lab{font:.88rem var(--sans);color:var(--muted);margin-right:.25rem}
.sbtn{display:inline-grid;place-items:center;flex:none;width:2.5rem;height:2.5rem;padding:0;border-radius:50%;border:1px solid var(--line-soft);background:transparent;color:var(--text-2);text-decoration:none;cursor:pointer}
@media (pointer:coarse){.sbtn{width:2.75rem;height:2.75rem}}
.sbtn:hover,.sbtn:focus-visible{color:var(--accent);border-color:var(--accent)}
.sbtn[hidden]{display:none}
.share-status{font:.86rem var(--sans);color:var(--ok);min-height:1.2em;margin:.3rem 0 0}
.share-end{margin-top:1.6rem}
/* tables */
.filter{margin:.6rem 0 .5rem;font:.9rem var(--sans)}
.filter label{display:block;margin-bottom:.25rem;color:var(--text-2)}
.filter input{width:100%;max-width:22rem;min-height:2.75rem;font:inherit;padding:.4rem .6rem;border-radius:.45rem;border:1px solid var(--line);background:var(--surface);color:var(--text)}
.table-wrap{overflow-x:auto;border:1px solid var(--line-soft);border-radius:.6rem;background:var(--surface)}
table{border-collapse:collapse;width:100%;font:.9rem/1.4 var(--sans)}
caption{text-align:left;padding:.65rem .8rem;font-weight:600;color:var(--text-2);font-size:.86rem}
th,td{padding:.48rem .7rem;border-top:1px solid var(--line-soft);text-align:left;vertical-align:top}
thead th{font-weight:600;color:var(--text-2);background:var(--surface-2)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tr[hidden]{display:none}
.more{margin:.7rem 0}
.sources{font:.88rem/1.5 var(--sans);padding-left:1.2rem}.sources li{margin:.35rem 0}
/* rail */
.rail{display:none}
@media (min-width:1340px){
  .rail{display:block;position:fixed;right:.9rem;top:50%;transform:translateY(-50%);z-index:40;font:.78rem/1.2 var(--sans)}
  .rail ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;align-items:flex-end;gap:.1rem}
  .rail a{position:relative;display:flex;align-items:center;justify-content:flex-end;width:1.2rem;color:var(--muted);text-decoration:none;min-height:1.7rem}
  .rail a span{opacity:0;transition:opacity .15s;position:absolute;right:1.4rem;white-space:nowrap;background:var(--bg);padding:.1rem .35rem;pointer-events:none}
  .rail a:hover span,.rail a:focus-visible span,.rail a[aria-current="true"] span{opacity:1}
  .rail a i{display:block;width:.45rem;height:.45rem;border-radius:50%;background:var(--line);flex:none}
  .rail a[aria-current="true"] i{background:var(--accent);transform:scale(1.35)}
}
.site-footer{margin-top:2.6rem;padding:1.5rem 1rem 3rem;border-top:1px solid var(--line-soft);font:.88rem/1.5 var(--sans);color:var(--muted);text-align:center}
.site-footer a{color:var(--text-2)}
body.sharepage main{max-width:40rem;margin:3rem auto;padding:0 1rem}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.topbar,.rail,.share-row,.map-tools{display:none}}

/* map, modes, legend, card */
.stage{display:grid;gap:1rem;grid-template-columns:1fr;align-items:start}
@media (min-width:980px){.stage{grid-template-columns:minmax(0,1.5fr) minmax(19rem,1fr)}}
.modes{display:flex;flex-wrap:wrap;gap:.35rem;margin:0 0 .5rem}
.mode{font:600 .85rem/1 var(--sans);min-height:2.5rem;padding:0 .85rem;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--text-2);cursor:pointer}
.mode[aria-pressed="true"]{background:var(--text);color:var(--bg);border-color:var(--text)}
@media (pointer:coarse){.mode{min-height:2.75rem}}
.mapbox{position:relative;background:var(--surface);border:1px solid var(--line-soft);border-radius:.7rem;overflow:hidden}
.mapbox canvas{display:block;width:100%;aspect-ratio:1.45/1;touch-action:pan-y;cursor:default}
.mapbox canvas:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.map-tools{position:absolute;right:.5rem;top:.5rem;display:flex;flex-direction:column;gap:.3rem;align-items:flex-end}
.tool{min-width:2.5rem;min-height:2.5rem;border-radius:.5rem;border:1px solid var(--line);background:var(--surface);color:var(--text);font:600 1.15rem/1 var(--sans);cursor:pointer;padding:0 .5rem}
.tool.wide-tool{font-size:.82rem}.tool[hidden]{display:none}
@media (pointer:coarse){.tool{min-width:2.75rem;min-height:2.75rem}}
.pop{position:absolute;z-index:5;width:15.5rem;background:var(--surface);border:1px solid var(--line);border-radius:.7rem;padding:.7rem .8rem;box-shadow:0 10px 28px rgba(0,0,0,.28);font:.9rem/1.38 var(--sans)}
.pop[hidden]{display:none}
.pop.sheet{left:.4rem;right:.4rem;bottom:.4rem;top:auto;width:auto;padding:.55rem .7rem}
.pop.sheet.top{top:.4rem;bottom:auto}
.pop h4{margin:0 1.8rem .15rem 0;font:700 1.05rem/1.2 var(--serif)}
.pop .pop-c{margin:0 0 .35rem;color:var(--muted);font-size:.8rem}
.pop .chain{font-weight:600;margin:.1rem 0 .45rem}
.pop .btn{width:100%;min-height:2.5rem}
.pop-x{position:absolute;top:.15rem;right:.15rem;width:2.5rem;height:2.5rem;border:0;background:transparent;color:var(--muted);font-size:1.4rem;cursor:pointer}
.legend{display:flex;flex-wrap:wrap;gap:.3rem .9rem;margin:.55rem 0 0;padding:0;list-style:none;font:.8rem/1.3 var(--sans);color:var(--text-2)}
.legend[hidden]{display:none}.legend li{display:flex;align-items:center;gap:.35rem}
.legend b{font-variant-numeric:tabular-nums}
.sw{display:inline-block;width:.85rem;height:.85rem;border-radius:.15rem;flex:none;border:1px solid var(--line)}
.sw.cat-k{background:var(--cat-k)}.sw.cat-p{background:var(--cat-p)}.sw.cat-o{background:var(--cat-o)}.sw.cat-l{background:var(--cat-l)}.sw.cat-n{background:var(--cat-n)}.sw.cat-z{background:var(--c-z)}
.sw.f-psd{background:var(--c-psd)}.sw.f-pnl{background:var(--c-pnl)}.sw.f-udmr{background:var(--c-udmr)}.sw.f-alte{background:var(--c-alte)}.sw.f-ind{background:var(--c-ind)}.sw.f-loc{background:var(--c-loc)}.sw.f-joint{background:var(--c-joint)}
.card{background:var(--surface);border:1px solid var(--line-soft);border-radius:.7rem;padding:1rem 1.05rem;font:.95rem/1.5 var(--sans);min-height:8rem}
.card p{margin:0 0 .6rem}.card-empty{color:var(--muted)}
.card-kicker{font:600 .75rem/1.2 var(--sans)!important;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 .2rem!important}
.card-name{font:700 1.45rem/1.15 var(--serif);margin:0 0 .5rem}
.card-lede{font-weight:600;font-size:1.02rem}
.step{border-left:4px solid var(--line);padding-left:.65rem;margin:.55rem 0!important}
.step .lab{display:block;font:600 .74rem/1.2 var(--sans);color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.step.f-psd{border-left-color:var(--c-psd)}.step.f-pnl{border-left-color:var(--c-pnl)}.step.f-udmr{border-left-color:var(--c-udmr)}.step.f-alte{border-left-color:var(--c-alte)}.step.f-ind{border-left-color:var(--c-ind)}.step.f-loc{border-left-color:var(--c-loc)}.step.f-joint{border-left-color:var(--c-joint)}
.card-small{font-size:.86rem;color:var(--text-2)}
.card ul{margin:.3rem 0 .5rem;padding-left:1.1rem}
.card-actions{margin-top:.5rem!important}
.share-under{margin-top:.7rem}
/* share */
.share-row{display:flex;flex-wrap:wrap;gap:.35rem;align-items:center}
.share-row .lab{font:.88rem var(--sans);color:var(--muted);margin-right:.25rem}
.sbtn{display:inline-grid;place-items:center;flex:none;width:2.5rem;height:2.5rem;padding:0;border-radius:50%;border:1px solid var(--line-soft);background:transparent;color:var(--text-2);text-decoration:none;cursor:pointer}
@media (pointer:coarse){.sbtn{width:2.75rem;height:2.75rem}}
.sbtn:hover,.sbtn:focus-visible{color:var(--accent);border-color:var(--accent)}
.sbtn[hidden]{display:none}
.share-status{font:.86rem var(--sans);color:var(--ok);min-height:1.2em;margin:.3rem 0 0}
.share-end{margin-top:1.6rem}
/* figures */
.stack{margin:1rem 0 1.3rem;font:.9rem/1.4 var(--sans)}
.stack-bar{display:flex;height:1.6rem;border-radius:.3rem;overflow:hidden;background:var(--surface-2);margin:.35rem 0}
.stack-bar i{display:block;height:100%}
.sk{background:var(--cat-k)}.ss{background:var(--cat-p)}.sn{background:var(--cat-n);box-shadow:inset 0 0 0 1px var(--line)}
.stack-leg{display:flex;flex-wrap:wrap;gap:.2rem 1rem;color:var(--text-2);margin:0!important}
.stack-leg .sw.sk{background:var(--cat-k)}.stack-leg .sw.ss{background:var(--cat-p)}.stack-leg .sw.sn{background:var(--cat-n)}
.fig{margin:1.2rem 0}
.fig svg{display:block;width:100%;height:auto}
.fig figcaption{font:.85rem/1.45 var(--sans);color:var(--muted);margin-top:.45rem}
.flow{max-width:var(--wide);margin-left:auto;margin-right:auto}
.flow .rb{stroke:none}
.flow .rb.nw{opacity:.28}.flow .rb.kp{opacity:.9}.flow .rb.same.nw{opacity:.1}.flow .rb.same.kp{opacity:.32}
.flow .rb.psd,.flow .nd.psd{fill:var(--c-psd)}.flow .rb.pnl,.flow .nd.pnl{fill:var(--c-pnl)}.flow .rb.udmr,.flow .nd.udmr{fill:var(--c-udmr)}.flow .rb.alte,.flow .nd.alte{fill:var(--c-alte)}
.flow .rb.ind,.flow .nd.ind{fill:var(--c-ind)}.flow .rb.loc,.flow .nd.loc{fill:var(--c-loc)}.flow .rb.joint,.flow .nd.joint{fill:var(--c-joint)}
.flow .nl{font:11.5px var(--sans);fill:var(--text-2)}.flow .yh{font:700 13px var(--sans);fill:var(--text)}
@media (max-width:620px){.flow .nl{font-size:15px}}
.table-wrap{overflow-x:auto;border:1px solid var(--line-soft);border-radius:.6rem;background:var(--surface);margin:.8rem 0}
@media (max-width:620px){.hero h1{font-size:1.6rem}}