:root{
  /* the scene is one moonlit night in both page themes (two blind-review rounds failed the daylight version) */
  --sc-sky0:#0b1129;--sc-sky1:#151d3b;--sc-sky2:#1f2749;--sc-sun:#f4efd8;--sc-glow:rgba(230,228,200,.35);
  --sc-hill1:#252c4a;--sc-hill2:#1e2440;--sc-haze:#2c3459;--sc-field0:#36334f;--sc-field1:#312e49;--sc-field2:#2b2942;--sc-tuft:#3c3a58;--sc-path:#3b3955;--sc-path2:#33314b;
  --sc-stone:#7d8299;--sc-stone2:#4e5269;--sc-stoneLit:#b4b8cb;--sc-roofM:#a04634;--sc-roofF:#2f7f86;
  --sc-wall:#6d6a86;--sc-wallS:#57546e;--sc-win:#ffd27a;--sc-winGlow:rgba(255,196,96,.55);
  --sc-mom:#d9826b;--sc-mom2:#e59a80;--sc-mom3:#c46d55;--sc-dad:#5fb3bd;--sc-dad2:#7cc5cd;--sc-dad3:#479aa6;--sc-ink:#12111a;--sc-legs:#5a5478;--sc-skin:#d6b29a;--sc-hair:#1d1714;
  --sc-leaf:#1f2a2a;--sc-leafLit:#34474a;--sc-trunk:#191718;--sc-pill:#1d1b24;--sc-pillInk:#efe9e4;--sc-star:#fff;--sc-shadow:#000;
  --bg:#f5efe6;--surface:#fffcf7;--fg:#1f1a1c;--mut:#4d4548;--line:#dccfc0;--line-soft:#ebe1d4;
  --acc:#8a3b2c;--acc-soft:#f4e2d9;
  --mom:#c4553b;--dad:#22707c;--hi:#22707c;--lo:#c4553b;--mid:#ece6dc;--na:#d9d2c8;--dot:#a59a8c;
  --band:#ebe2d4;--band2:#f3ece1;--full:#22707c;--rej:#c4553b;--wd:#a59a8c;--proc:#d9d2c8;
  --col:40rem;--wide:76rem;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;--sans:'Source Sans 3',system-ui,-apple-system,'Segoe UI',sans-serif;
  color-scheme:light;
}
html.dark{
  --bg:#14131a;--surface:#1d1b24;--fg:#efe9e4;--mut:#bdb3ad;--line:#3c3641;--line-soft:#2b2731;
  --acc:#f0a58f;--acc-soft:#3a2522;
  --mom:#ec8a6f;--dad:#6cc3cf;--hi:#6cc3cf;--lo:#ec8a6f;--mid:#3b3a40;--na:#2a2833;--dot:#7f7787;
  --band:#353140;--band2:#1b1a21;--full:#6cc3cf;--rej:#ec8a6f;--wd:#7f7787;--proc:#2c2932;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
svg[hidden]{display:none}
html{-webkit-text-size-adjust:100%;scroll-padding-top:56px}
body{margin:0;background:var(--bg);color:var(--fg);font:400 1.0625rem/1.6 var(--sans);font-feature-settings:'kern','liga','tnum' 0}
a{color:var(--acc);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--acc);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--surface);padding:.5rem 1rem;z-index:50}
.skip:focus{left:.5rem;top:.5rem}
h1,h2,h3{font-family:var(--serif);font-weight:640;line-height:1.15;letter-spacing:-.01em;margin:0 0 .6em}
h1{font-size:clamp(1.9rem,1.2rem + 2.6vw,3.15rem);max-width:22ch}
h2{font-size:clamp(1.45rem,1.1rem + 1.2vw,2.05rem);max-width:28ch}
h3{font-size:1.2rem;margin-top:1.6em}
p{margin:0 0 1em}
.num,td.num,th.num{font-variant-numeric:tabular-nums;text-align:right}
.wrap{max-width:var(--col);margin:0 auto;padding:0 1rem}
.wide{max-width:var(--wide);margin:0 auto;padding:0 1rem}
/* topbar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:.6rem;height:44px;padding:0 .8rem;background:var(--bg);border-bottom:1px solid var(--line-soft)}
.home{display:flex;align-items:center;gap:.4rem;color:var(--fg);text-decoration:none;font-weight:600;font-size:.92rem;white-space:nowrap}
.motif{width:20px;height:20px;color:var(--fg)}
.topnav{display:flex;gap:1rem;overflow:hidden;font-size:.9rem;white-space:nowrap}
.topnav a{color:var(--mut);text-decoration:none}
.topnav a:hover{color:var(--fg)}
.spacer{flex:1}
.chip{font-size:.85rem;font-weight:600;color:var(--fg);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.12rem .62rem}
.icon-btn{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--fg);cursor:pointer}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--acc);transform-origin:0 50%;transform:scaleX(0)}
@media (max-width:820px){.topnav{display:none}}
/* rail */
.rail{position:fixed;right:10px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:9px;z-index:15}
.rail-dot{position:relative;display:block;width:12px;height:12px}
.rail-dot .dot{display:block;width:7px;height:7px;margin:2.5px;border-radius:50%;background:var(--line)}
.rail-dot[aria-current] .dot{background:var(--acc);transform:scale(1.25)}
.rail-label{position:absolute;right:18px;top:50%;transform:translateY(-50%);white-space:nowrap;font-size:.8rem;background:var(--surface);color:var(--fg);border:1px solid var(--line);padding:.1rem .45rem;border-radius:6px;opacity:0;pointer-events:none}
.rail-dot:hover .rail-label,.rail-dot:focus-visible .rail-label{opacity:1}
@media (max-width:1240px){.rail{display:none}}
@media print{.rail,.topbar,.share-row{display:none}}
/* hero */
.hero{padding:2.2rem 0 1.4rem}
.kicker{font-size:.86rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--acc);margin-bottom:.7rem}
.deck{font-size:1.16rem;line-height:1.5;max-width:40rem;color:var(--fg)}
.lede-num{font-family:var(--serif);font-weight:640}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:2rem;align-items:start;margin-top:1.2rem}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr;gap:1rem}}
.figure-box{background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;padding:.8rem .8rem .5rem;position:relative}
.figure-box h2{font-size:1.05rem;font-family:var(--sans);font-weight:700;letter-spacing:0;margin:0 0 .2rem;max-width:none}
.fig-sub{font-size:.88rem;color:var(--mut);margin:0 0 .4rem}
canvas{display:block;width:100%;height:auto;touch-action:manipulation}
#funnel{aspect-ratio:1.45/1;cursor:pointer}
@media (max-width:600px){#funnel{aspect-ratio:1.15/1}}
.fig-key{display:flex;flex-wrap:wrap;gap:.3rem 1rem;font-size:.84rem;color:var(--mut);margin:.4rem 0 .2rem}
.fig-key i{display:inline-block;width:11px;height:11px;border-radius:50%;margin-right:.35rem;vertical-align:-1px}
.fig-key .band{border-radius:2px;background:var(--band);outline:1px solid var(--line)}
.tip{position:absolute;pointer-events:none;background:var(--fg);color:var(--bg);font-size:.82rem;padding:.25rem .5rem;border-radius:6px;white-space:nowrap;transform:translate(-50%,-130%);z-index:3}
/* search + card */
.search{position:relative;margin:1rem 0 .6rem}
.search label{display:block;font-weight:700;margin-bottom:.3rem}
.search input{width:100%;font:inherit;font-size:1.05rem;padding:.65rem .8rem;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);color:var(--fg)}
.search input:focus{border-color:var(--acc);outline:none;box-shadow:0 0 0 3px var(--acc-soft)}
.hint{font-size:.88rem;color:var(--mut);margin:.3rem 0 0}
.sugg{position:absolute;left:0;right:0;top:100%;margin:.2rem 0 0;padding:.25rem;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:10px;z-index:10;max-height:18rem;overflow:auto;box-shadow:0 8px 24px rgb(0 0 0 / .12)}
.sugg li{padding:.45rem .6rem;border-radius:7px;cursor:pointer}
.sugg li[aria-selected=true],.sugg li:hover{background:var(--acc-soft)}
.sugg small{color:var(--mut);margin-left:.4rem}
.card{background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;padding:1rem 1.1rem;margin-top:.6rem}
.card h3{margin:0 0 .15rem;font-size:1.3rem}
.card .sub{color:var(--mut);font-size:.92rem;margin:0 0 .7rem}
.card .big{font-family:var(--serif);font-size:1.25rem;line-height:1.35;margin:.2rem 0 .6rem}
.card .big b{color:var(--acc)}
.wall{display:grid;grid-template-columns:repeat(20,1fr);gap:2px;margin:.3rem 0 .5rem;max-width:30rem}
.wall i{display:block;aspect-ratio:1;border-radius:2px;background:var(--proc)}
.wall i.f{background:var(--full)}.wall i.p{background:var(--part)}.wall i.r{background:var(--rej)}.wall i.w{background:var(--wd)}
.legend-row{display:flex;flex-wrap:wrap;gap:.25rem .9rem;font-size:.84rem;color:var(--mut);margin:.2rem 0 .7rem}
.legend-row i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:.3rem;vertical-align:-1px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr));gap:.5rem .9rem;margin:.6rem 0 .4rem;padding:0;list-style:none}
.facts li{border-top:1px solid var(--line-soft);padding-top:.4rem;font-size:.9rem;color:var(--mut)}
.facts b{display:block;font-family:var(--serif);font-size:1.35rem;font-weight:640;color:var(--fg);line-height:1.2}
.clock{display:flex;gap:2px;margin:.2rem 0 .1rem;align-items:flex-end;height:46px}
.clock span{flex:1;background:var(--fast);border-radius:2px 2px 0 0;min-height:1px}
.clock span.late{background:var(--slow)}
.clock-x{display:flex;justify-content:space-between;font-size:.76rem;color:var(--mut)}
.card-tools{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-top:.7rem}
.btn{font:inherit;font-size:.92rem;font-weight:600;padding:.42rem .85rem;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--fg);cursor:pointer;min-height:40px}
.btn:hover{border-color:var(--acc)}
.btn.primary{background:var(--acc);border-color:var(--acc);color:var(--bg)}
.note{font-size:.88rem;color:var(--mut)}
/* share row */
.share-row{display:flex;align-items:center;flex-wrap:wrap;gap:.35rem;margin:.6rem 0 0}
.share-row .lbl{font-size:.86rem;color:var(--mut);margin-right:.2rem}
.share-row a,.share-row button{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line-soft);background:transparent;color:var(--fg);cursor:pointer;padding:0}
.share-row a:hover,.share-row button:hover{border-color:var(--acc);color:var(--acc)}
.share-row svg{width:19px;height:19px}
@media (pointer:coarse){.share-row a,.share-row button{width:44px;height:44px}}
.status{font-size:.86rem;color:var(--mut);min-height:1.2em;margin:.2rem 0 0}
/* blocks */
.block{padding:2.6rem 0;border-top:1px solid var(--line-soft)}
.twocol{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:2rem;align-items:start}
@media (max-width:900px){.twocol{grid-template-columns:1fr}}
.aside{background:var(--band2);border-radius:12px;padding:1rem 1.1rem;font-size:.95rem}
.aside h3{margin-top:0;font-size:1.05rem}
.chart{width:100%;height:auto;display:block;font-family:var(--sans)}
.chart text{fill:var(--mut);font-size:12px}
.chart .v{fill:var(--fg);font-weight:600}
.chart .grid{stroke:var(--line-soft)}
.chart .axis{stroke:var(--line)}
.chart .bar{fill:var(--full)}
.chart .bar.late{fill:var(--rej)}
.chart .bar.mute{fill:var(--wd)}
.chart .lawline{stroke:var(--acc);stroke-width:2;stroke-dasharray:4 3}
.chart .lawtext{fill:var(--acc);font-weight:700}
.chart .pt{fill:var(--full);fill-opacity:.75}
.chart .diag{stroke:var(--line);stroke-dasharray:3 3}
.mapbox{background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;padding:.6rem;position:relative}
#map{aspect-ratio:1.42/1;cursor:pointer}
.map-tools{position:absolute;top:.8rem;right:.8rem;display:flex;gap:.4rem}
.ramp{display:flex;align-items:center;gap:.5rem;font-size:.84rem;color:var(--mut);margin:.4rem .2rem 0;flex-wrap:wrap}
.ramp .bar{width:12rem;height:10px;border-radius:5px}
/* table */
.tablewrap{overflow-x:auto;border:1px solid var(--line-soft);border-radius:12px;background:var(--surface);margin:1rem 0 .6rem}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{padding:.48rem .7rem;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top}
th{font-weight:700;font-size:.86rem;color:var(--mut);background:var(--band2);position:sticky;top:0}
th button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;text-align:inherit}
th button::after{content:' ↕';opacity:.5}
th[aria-sort=descending] button::after{content:' ↓';opacity:1}
th[aria-sort=ascending] button::after{content:' ↑';opacity:1}
tr[data-extra]{display:none}
table.open tr[data-extra]{display:table-row}
.rowlink{color:var(--fg);font-weight:600}
.meter{display:inline-block;width:4.2rem;height:7px;border-radius:4px;background:var(--line-soft);vertical-align:middle;margin-left:.45rem;position:relative;overflow:hidden}
.meter i{position:absolute;inset:0 auto 0 0;background:var(--full)}
ul.plain{padding-left:1.1rem}
ul.plain li{margin:.35rem 0}
.help{background:var(--acc-soft);border-radius:14px;padding:1.2rem 1.3rem}
.help h2{margin-top:0}
.help .phone{font-family:var(--serif);font-size:1.6rem;font-weight:640;white-space:nowrap}
.sources li{word-break:break-word}
footer{border-top:1px solid var(--line);padding:1.6rem 1rem 3rem;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;justify-content:center;font-size:.9rem;color:var(--mut)}
footer a{color:var(--mut)}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}


.tip small{display:block;font-size:.72rem;opacity:.75;margin-top:.05rem}
.pop{position:absolute;z-index:6;width:min(19rem,calc(100% - 16px));background:var(--surface);color:var(--fg);border:1px solid var(--line);border-radius:12px;padding:.75rem .85rem .8rem;box-shadow:0 10px 30px rgb(0 0 0 / .16);font-size:.9rem;animation:popin .14s ease-out}
.pop.sheet{left:8px;right:8px;bottom:8px;width:auto}
@keyframes popin{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.pop{animation:none}}
.pop h4{margin:0 1.6rem .1rem 0;font-size:1rem;line-height:1.25}
.pop .sub{margin:0 0 .45rem;color:var(--mut);font-size:.82rem}
.pop-big{margin:.1rem 0 .4rem;line-height:1.35}.pop-big b{font-size:1.35rem}
.pop .wall{margin:.2rem 0 .45rem}
.pop-line{margin:.2rem 0 .6rem;color:var(--mut);font-size:.84rem}.pop-line b{color:var(--fg)}
.pop-x{position:absolute;top:.35rem;right:.4rem;width:32px;height:32px;border:0;border-radius:50%;background:transparent;color:var(--mut);font-size:1.3rem;line-height:1;cursor:pointer}
.pop-x:hover{background:var(--band2);color:var(--fg)}
.pop-go{width:100%}
.pop-secs{display:grid;grid-template-columns:1fr 1fr;gap:.35rem}.pop-secs .btn{font-size:.85rem;padding:.35rem .5rem}
#card{scroll-margin-top:72px}
.gapnote{background:var(--band2);border-left:3px solid var(--rej);padding:.45rem .6rem;border-radius:6px;font-size:.84rem;margin:.3rem 0 .5rem}
.gapmark{color:var(--rej);font-weight:700;margin-left:.15rem;cursor:help}

/* this project */
.scene-box{margin:1.2rem 0 0;background:var(--surface);border:1px solid var(--line-soft);border-radius:16px;overflow:hidden}
#scene{display:block;width:100%;height:auto}
.scene-box figcaption{display:flex;flex-wrap:wrap;gap:.2rem 1.2rem;justify-content:space-between;padding:.6rem .9rem .7rem;font-size:.92rem}
.scene-box .count{font-weight:600}
@media (max-width:619px){#scene{max-height:none}}
@media (min-width:961px){.hero-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}
.accuracy{font-size:.9rem;color:var(--mut);margin:.7rem 0 0}
.verdict{font-weight:600;margin:.1rem 0 .4rem}.verdict.above{color:var(--hi)}.verdict.below{color:var(--lo)}
.wall{grid-template-columns:repeat(20,1fr)}
.wall i.m{background:var(--mom)}.wall i.f{background:var(--dad)}.wall i.s{background:linear-gradient(90deg,var(--mom) 50%,var(--dad) 50%)}
.ramp .bar{background:linear-gradient(90deg,var(--lo),var(--mid),var(--hi))}
.ramp .na{flex-basis:100%}.ramp .na i{display:inline-block;width:12px;height:10px;border-radius:2px;background:var(--na);margin-right:.35rem;vertical-align:-1px}
.fig-h{font-size:1.05rem;font-family:var(--sans);font-weight:700;letter-spacing:0;margin:0 0 .2rem}
#funnel{aspect-ratio:1.3/1}
.named{display:grid;grid-template-columns:1fr 1fr;gap:.4rem 1.2rem}
@media (max-width:520px){.named{grid-template-columns:1fr}}
.named h4{margin:.2rem 0 .3rem;font-size:.95rem}.named h4.hi{color:var(--hi)}.named h4.lo{color:var(--lo)}
.named ul{list-style:none;margin:0;padding:0}.named li{padding:.22rem 0;border-bottom:1px solid var(--line-soft);font-size:.92rem}
.nl-n{font-family:var(--serif);font-weight:640;margin-left:.3rem}.nl-sub{display:block;color:var(--mut);font-size:.8rem}
.authbar{display:flex;height:38px;border-radius:8px;overflow:hidden;margin:.8rem 0 .3rem}
.authbar .seg{display:flex;align-items:center;justify-content:center;color:#fff;font-size:.88rem;min-width:2.6rem;white-space:nowrap}
.authbar .joint{background:var(--dot)}.authbar .exm{background:var(--mom)}.authbar .exf{background:var(--dad)}
html.dark .authbar .seg{color:#14131a}
.fig-key i.joint{background:var(--dot)}.fig-key i.exm{background:var(--mom)}.fig-key i.exf{background:var(--dad)}
.fig-key i{border-radius:2px}
.lead{border-left:3px solid var(--line);padding:.1rem 0 .1rem 1rem;margin:1.6rem 0}
.lead h3{margin-top:0}
.intro{color:var(--mut)}
.chart .bar{fill:var(--mom)}.chart .bar.b2{fill:var(--dad)}.chart .bar.soft{fill:var(--dad);fill-opacity:.75}
.chart .err{stroke:var(--fg);stroke-opacity:.5;stroke-width:1.3}
.chart .natline{stroke:var(--fg);stroke-opacity:.55;stroke-dasharray:4 3;stroke-width:1.4}
.chart .pt{fill:var(--dad);fill-opacity:.7}
.vmark{margin-left:.35rem;font-size:.75rem}.vmark.above{color:var(--hi)}.vmark.below{color:var(--lo)}
.tmark{color:var(--mut);margin-left:.15rem;cursor:help}
.meter i{background:var(--dad)}
table.k0{font-size:.95rem}
.mapbox{max-width:62rem}
.ramp .na i{background:repeating-linear-gradient(45deg,var(--na) 0 3px,var(--mut) 3px 4px)!important}
.scene-box{background:#2b2942;border-color:#2b2942}.scene-box figcaption{color:#efe9e4}.scene-box .note{color:#c9c1d3}
.ramp{flex-wrap:nowrap}.ramp .bar{flex:1 1 4rem;width:auto;max-width:12rem}.ramp .na{display:block}
.mapbox .ramp{flex-wrap:wrap}.mapbox .ramp>span:not(.na):not(.bar){flex:0 0 auto}.mapbox .ramp .bar{flex:1 1 3rem}