:root{
  --bg:#faf9f7; --ink:#16181d; --mute:#5d6470; --faint:#8b9199;
  --rule:#e3e0da; --card:#ffffff;
  --supply:#1d4e6f; --policy:#4b90b8; --macro:#c98a2e; --behave:#a3474b;
  --accent:#1d4e6f;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:ui-sans-serif,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:17px/1.65 var(--serif);
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:52rem;margin:0 auto;padding:0 1.25rem}
h1,h2,h3{font-family:var(--sans);letter-spacing:-.02em;line-height:1.15}
h1{font-size:clamp(2rem,6vw,3.1rem);font-weight:660;margin:.4rem 0 1rem}
h2{font-size:clamp(1.25rem,3.4vw,1.6rem);font-weight:640;margin:0 0 .6rem}
h3{font-size:1.02rem;font-weight:640;margin:1.8rem 0 .5rem;color:var(--ink)}
p{margin:0 0 1rem}
a{color:var(--accent)}
code{font-family:var(--mono);font-size:.86em;background:#eceae5;padding:.12em .38em;border-radius:3px}

.masthead{padding:3.5rem 1.25rem 2rem;border-bottom:1px solid var(--rule)}
.kicker{font-family:var(--sans);font-size:.74rem;font-weight:620;letter-spacing:.14em;
  text-transform:uppercase;color:var(--faint);margin:0}
.standfirst{font-size:clamp(1.05rem,2.4vw,1.22rem);color:#2f343d;max-width:42rem}
.meta{font-family:var(--sans);font-size:.78rem;color:var(--faint);margin:1.2rem 0 0}

main section{padding:2.8rem 0;border-bottom:1px solid var(--rule)}
.lede{color:var(--mute);max-width:44rem}
.note{font-family:var(--sans);font-size:.85rem;color:var(--mute);max-width:44rem;
  line-height:1.6}

/* headline cards */
.finding{padding-top:2.4rem}
.cards{display:grid;gap:1rem;grid-template-columns:1fr;margin-top:1.4rem}
@media(min-width:820px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--rule);border-radius:10px;
  padding:1.3rem 1.2rem}
.cardnum{font-family:var(--sans);font-size:2.5rem;font-weight:680;letter-spacing:-.035em;
  color:var(--accent);margin:0 0 .45rem;line-height:1}
.cardlab{font-size:.98rem;margin:0 0 .6rem}
.cardsub{font-family:var(--sans);font-size:.83rem;color:var(--mute);margin:0;line-height:1.55}

/* controls */
.controls{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;margin:1.5rem 0 .6rem}
.ctl-lab{font-family:var(--sans);font-size:.76rem;font-weight:600;letter-spacing:.07em;
  text-transform:uppercase;color:var(--faint)}
.btns{display:flex;gap:.3rem;flex-wrap:wrap}
.btns button{
  font-family:var(--sans);font-size:.85rem;font-weight:550;
  padding:.36rem .78rem;border:1px solid var(--rule);background:#fff;color:var(--mute);
  border-radius:999px;cursor:pointer;transition:.14s;
}
.btns button:hover{border-color:var(--faint);color:var(--ink)}
.btns button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}
.btns button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

figure{margin:1.2rem 0 0}
.chart{width:100%;overflow:hidden}
.chart svg{display:block;width:100%;height:auto}
figcaption{font-family:var(--sans);font-size:.8rem;color:var(--faint);
  margin-top:.7rem;line-height:1.55;max-width:42rem}

.legend{display:flex;flex-wrap:wrap;gap:.5rem 1.1rem;margin-top:1rem;
  font-family:var(--sans);font-size:.83rem;color:var(--mute)}
.legend span{display:inline-flex;align-items:center;gap:.4rem}
.swatch{width:11px;height:11px;border-radius:2px;flex:none}

.episodes{display:grid;gap:.55rem;margin-top:1.4rem}
.ep{display:grid;grid-template-columns:3.4rem 1fr;gap:.8rem;align-items:baseline;
  font-family:var(--sans);font-size:.85rem;padding:.5rem 0;border-top:1px solid var(--rule)}
.ep b{color:var(--accent);font-weight:640}
.ep span{color:var(--mute);line-height:1.5}

.tablewrap{overflow-x:auto;max-width:100%;margin-top:1.2rem;
  -webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-family:var(--sans);font-size:.87rem;
  min-width:28rem}
th,td{text-align:right;padding:.55rem .6rem;border-bottom:1px solid var(--rule)}
th:first-child,td:first-child{text-align:left}
thead th{font-size:.74rem;font-weight:620;letter-spacing:.06em;text-transform:uppercase;
  color:var(--faint);border-bottom:1.5px solid var(--rule)}
tbody tr.dim{color:var(--faint)}
td.pos{color:var(--accent);font-weight:600}
.tag{font-size:.7rem;font-family:var(--sans);color:var(--faint);
  border:1px solid var(--rule);border-radius:3px;padding:.05rem .3rem;margin-left:.35rem}

.limits{background:#f4f2ee;border:1px solid var(--rule);border-radius:12px;
  padding:2rem 1.5rem;margin:0}
.limits h2{margin-bottom:1rem}
.limitlist{padding-left:1.25rem;max-width:44rem;color:var(--mute)}
.limitlist li{margin-bottom:1rem}
.limitlist strong{color:var(--ink)}
.sources{list-style:none;padding:0;margin:0 0 1rem;font-family:var(--sans);font-size:.85rem}
.sources li{padding:.42rem 0;border-bottom:1px solid var(--rule);color:var(--mute)}
.sources b{color:var(--ink);font-weight:600}
.sources em{font-style:normal;font-family:var(--mono);font-size:.82em;color:var(--faint)}

footer{padding:2rem 1.25rem 3.5rem;font-family:var(--sans);font-size:.8rem;color:var(--faint)}

.err{background:#7d2b2b;color:#fff;padding:.8rem 1.25rem;font-family:var(--sans);font-size:.88rem}

/* chart internals */
.ax{font-family:var(--sans);font-size:11px;fill:var(--faint)}
.axlab{font-family:var(--sans);font-size:10.5px;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;fill:var(--faint)}
.gridline{stroke:var(--rule);stroke-width:1}
.zeroline{stroke:var(--faint);stroke-width:1}
.barlab{font-family:var(--sans);font-size:10px;font-weight:600;fill:#fff}
.r2lab{font-family:var(--sans);font-size:10.5px;font-weight:640;fill:var(--ink)}

@media (prefers-reduced-motion:no-preference){
  .btns button{transition:background .14s,color .14s,border-color .14s}
}

/* ---------------------------------------------------------------- practical
   The "if you are actually buying a car" section. Visually distinct from the
   analytical sections so a reader who wants the practical answer can find it
   without reading a Shapley decomposition first. */
.practical{background:#f2f5f4;border:1px solid var(--rule);border-radius:12px;
  padding:2rem 1.5rem;margin:0}
.practical h2{margin-bottom:.7rem}
.practical h3{margin:2rem 0 .6rem;font-size:1rem;letter-spacing:-.01em}

.pcards{display:grid;gap:.9rem;grid-template-columns:1fr;margin:1.4rem 0 0}
@media(min-width:640px){.pcards{grid-template-columns:1fr 1fr}}
.pcard{background:#fff;border:1px solid var(--rule);border-radius:10px;padding:1.1rem}
.pcat{font-family:var(--sans);font-size:.72rem;font-weight:620;letter-spacing:.12em;
  text-transform:uppercase;color:var(--faint);margin:0 0 .3rem}
.pbig{font-family:var(--sans);font-size:2rem;font-weight:680;letter-spacing:-.03em;
  color:var(--ink);margin:0 0 .35rem;line-height:1}
.psub{font-family:var(--sans);font-size:.82rem;color:var(--mute);margin:0 0 .2rem;
  line-height:1.5}
.psub.dim{color:var(--faint);font-size:.78rem}

.beliefs{display:grid;gap:.8rem;margin-top:1rem}
.belief{background:#fff;border:1px solid var(--rule);border-left-width:3px;
  border-radius:8px;padding:1rem 1.1rem}
.belief.no{border-left-color:#a3474b}
.belief.yes{border-left-color:#3f7d5c}
.bclaim{font-size:1rem;margin:0 0 .35rem;color:var(--ink)}
.bverdict{font-family:var(--sans);font-size:.74rem;font-weight:680;letter-spacing:.1em;
  text-transform:uppercase;margin:0 0 .5rem}
.belief.no .bverdict{color:#a3474b}
.belief.yes .bverdict{color:#3f7d5c}
.bdetail{font-family:var(--sans);font-size:.85rem;color:var(--mute);margin:0;
  line-height:1.6}

#pVol table{min-width:26rem}
#pVol td.neg{color:#a3474b}
#pVol td.pos{color:#3f7d5c;font-weight:600}
.pcaveat{margin-top:1.8rem;padding-top:1.2rem;border-top:1px solid var(--rule)}

/* ---- true-cost calculator ---- */
.ccinputs{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:22px 0 26px}
.ccinputs label{display:flex;flex-direction:column;font:600 .82rem/1.3 var(--sans);gap:3px}
.ccinputs label span{font-weight:400;opacity:.62;font-size:.74rem}
.ccinputs input,.ccinputs select{margin-top:5px;padding:9px 10px;border:1px solid var(--rule);
  border-radius:8px;font:500 .95rem var(--mono);background:#fff;color:inherit;min-width:0}
.ccinputs input:focus,.ccinputs select:focus{outline:2px solid var(--accent);outline-offset:1px}
#ccTable table{width:100%;border-collapse:collapse;font:400 .84rem/1.5 var(--sans)}
#ccTable th{text-align:right;font-weight:650;padding:7px 9px;border-bottom:1px solid var(--rule);white-space:nowrap}
#ccTable th:first-child,#ccTable td:first-child{text-align:left}
#ccTable td{text-align:right;padding:7px 9px;border-bottom:1px solid #f0eeea;font-variant-numeric:tabular-nums;white-space:nowrap}
#ccChart svg{width:100%;height:auto}