:root {
  --paper: #f7f5f0;
  --surface: #ffffff;
  --ink: #1b1d22;
  --muted: #565c67;
  --rule: #ddd7ca;
  --rule-strong: #b9b3a5;
  --accent: #1f4fbf;
  --accent-ink: #ffffff;
  --accent-soft: #e6ecf9;
  --right: #1e7a4a;
  --right-soft: #e2f1e8;
  --right-ink: #135232;
  --wrong: #b42318;
  --wrong-soft: #fbe6e3;
  --wrong-ink: #8c1b12;
  --partly: #9a6200;
  --partly-soft: #f8edd6;
  --partly-ink: #6b4500;
  --open-soft: #e6ecf9;
  --open-ink: #1e3a8a;
  --second: #c2410c;
  --radius: 10px;
  --serif: "Iowan Old Style", "Charter", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
  font-variant-numeric: tabular-nums;
}

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

h1, h2, h3 { font-family: var(--serif); line-height: 1.2; margin: 0 0 .5rem; }
h1 { font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.6rem); letter-spacing: -.01em; }
h2 { font-size: 1.35rem; }

.wrap { width: min(1080px, 100% - 2rem); margin-inline: auto; }

.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; }

/* header and footer */
.site-header { background: var(--surface); border-bottom: 1px solid var(--rule); }
.header-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1.5rem; padding: .85rem 0; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--ink); text-decoration: none; font-family: var(--serif); font-weight: 700; font-size: 1.15rem; }
.brand-mark { width: 26px; height: 26px; color: var(--accent); }
.site-header nav ul { display: flex; flex-wrap: wrap; gap: .25rem 1.1rem; list-style: none; margin: 0; padding: 0; }
.site-header nav a { color: var(--ink); text-decoration: none; font-size: .95rem; padding: .25rem 0; border-bottom: 2px solid transparent; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { border-bottom-color: var(--accent); }

main { padding: 2rem 0 3rem; }

.site-footer { border-top: 1px solid var(--rule); background: var(--surface); color: var(--muted); font-size: .92rem; padding: 2rem 0; }
.footer-grid { display: grid; gap: 1.5rem; grid-template-columns: 2fr 1fr 1fr; }
.footer-grid h2 { font-family: var(--sans); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; }
.footer-grid a { color: var(--ink); }
.footer-brand { font-family: var(--serif); font-weight: 700; color: var(--ink); margin: 0 0 .25rem; }
.footer-grid p { margin: 0; }

/* intro and common blocks */
.intro { margin-bottom: 1.75rem; }
.lede { font-size: 1.12rem; color: var(--muted); max-width: 46rem; margin: 0 0 1rem; }
.stats { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; margin: 0; color: var(--muted); }
.stats strong { color: var(--ink); font-size: 1.1rem; }
.section-title { margin-top: 2.25rem; padding-bottom: .4rem; border-bottom: 1px solid var(--rule); }
.muted { color: var(--muted); }
.more { margin: .75rem 0 0; font-size: .95rem; }
.crumbs { display: flex; flex-wrap: wrap; gap: .4rem; font-size: .9rem; color: var(--muted); margin-bottom: 1rem; }
.crumbs a { color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2.5rem; }

.panel { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.25rem; margin-top: 1.5rem; }
.panel-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: .75rem; margin-bottom: .75rem; }
.panel-head h2 { margin: 0; }

/* form controls */
.controls { display: flex; flex-wrap: wrap; align-items: end; gap: .75rem 1rem; margin-bottom: 1rem; }
.field { display: grid; gap: .3rem; }
.field-label { display: inline-flex; align-items: center; gap: .4rem; font-size: .8rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.field-search { flex: 1 1 16rem; }
input[type="search"], select, textarea {
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--rule-strong); border-radius: 8px; min-height: 2.6rem;
}
input[type="search"] { width: 100%; padding: .5rem .75rem; }
input[type="search"]::placeholder { color: #6b707a; }
.select { position: relative; display: block; }
.select select { appearance: none; -webkit-appearance: none; width: 100%; padding: .5rem 2.25rem .5rem .75rem; cursor: pointer; }
.select::after { content: ""; position: absolute; right: .85rem; top: 50%; width: .5rem; height: .5rem; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
input[type="search"]:hover, select:hover { border-color: var(--muted); }
textarea { width: 100%; padding: .6rem .75rem; font: .85rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; resize: vertical; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-height: 2.4rem; padding: .45rem .9rem;
  font: 600 .92rem var(--sans); color: var(--ink); background: var(--surface); border: 1px solid var(--rule-strong); border-radius: 8px;
  cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn-quiet { border-color: transparent; }

.chips { display: flex; flex-wrap: wrap; gap: .4rem; flex-basis: 100%; }
.chip { font: 600 .88rem var(--sans); padding: .4rem .8rem; min-height: 2.2rem; border-radius: 999px; border: 1px solid var(--rule-strong); background: var(--surface); color: var(--ink); cursor: pointer; }
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }

/* leaderboard */
.board-head, .board-row { display: grid; grid-template-columns: 2.25rem minmax(0, 2.4fr) minmax(0, 1.1fr) minmax(0, 1fr) 128px 9rem; gap: .5rem 1rem; align-items: center; }
.board-head { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; padding: 0 1rem .4rem; }
.board-list { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); }
.board-row { padding: .8rem 1rem; border-top: 1px solid var(--rule); }
.board-row:first-child { border-top: 0; }
.row-rank { color: var(--muted); font-weight: 600; }
.row-who { display: grid; min-width: 0; }
.row-name { font-weight: 700; font-size: 1.05rem; color: var(--ink); text-decoration: none; }
.row-name:hover { text-decoration: underline; }
.row-role, .row-cat, .row-record-detail { color: var(--muted); font-size: .88rem; }
.row-record { display: grid; font-size: .95rem; }
.row-score { display: grid; justify-items: end; text-align: right; }
.row-score-value { font-size: 1.35rem; font-weight: 700; }
.spark { display: block; }
.empty { padding: 1rem; background: var(--surface); border: 1px dashed var(--rule-strong); border-radius: var(--radius); }

.verdict { display: inline-block; font-size: .8rem; font-weight: 600; padding: .1rem .5rem; border-radius: 999px; background: #eeebe4; color: var(--muted); white-space: nowrap; }
.verdict-mostly-right, .verdict-leans-right { background: var(--right-soft); color: var(--right-ink); }
.verdict-mostly-wrong, .verdict-leans-wrong { background: var(--wrong-soft); color: var(--wrong-ink); }
.verdict-coin-flip { background: var(--partly-soft); color: var(--partly-ink); }

/* badges */
.badge { display: inline-block; min-width: 4.2rem; text-align: center; font-size: .8rem; font-weight: 700; padding: .15rem .55rem; border-radius: 6px; }
.badge-correct { background: var(--right-soft); color: var(--right-ink); }
.badge-wrong { background: var(--wrong-soft); color: var(--wrong-ink); }
.badge-partly { background: var(--partly-soft); color: var(--partly-ink); }
.badge-open { background: var(--open-soft); color: var(--open-ink); }
.badge-void { background: #eeebe4; color: var(--muted); }

/* event lists */
.event-list, .open-list { list-style: none; margin: 0; padding: 0; }
.event, .open-item { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: .75rem; padding: .85rem 0; border-bottom: 1px solid var(--rule); align-items: start; }
.event p, .open-item p { margin: 0; }
.event-meta { display: flex; flex-wrap: wrap; gap: .25rem 1rem; color: var(--muted); font-size: .88rem; margin-top: .2rem !important; }
.due { display: grid; font-weight: 700; font-size: .95rem; }
.due-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--open-ink); font-weight: 700; }
.due-over .due-label { color: var(--partly-ink); }

/* figure page */
.figure-head { margin-bottom: 1.25rem; }
.role { color: var(--muted); font-size: 1.08rem; margin: 0; }
.scorecard { display: grid; grid-template-columns: minmax(12rem, 16rem) 1fr; gap: 1rem; }
.score-main { display: grid; align-content: center; gap: .1rem; padding: 1.25rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--rule); border-left: 6px solid var(--rule-strong); }
.score-main.verdict-mostly-right, .score-main.verdict-leans-right { border-left-color: var(--right); }
.score-main.verdict-mostly-wrong, .score-main.verdict-leans-wrong { border-left-color: var(--wrong); }
.score-main.verdict-coin-flip { border-left-color: var(--partly); }
.score-label { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; color: var(--muted); }
.score-value { font-family: var(--serif); font-size: 3.4rem; font-weight: 700; line-height: 1; }
.score-verdict { font-weight: 700; font-size: 1.1rem; }
.score-hl { color: var(--muted); font-size: .88rem; }
.score-facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(8.5rem, 1fr)); margin: 0; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
.score-facts div { padding: .8rem 1rem; box-shadow: 1px 0 0 var(--rule), 0 1px 0 var(--rule); }
.score-facts dt { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.score-facts dd { margin: .15rem 0 0; font-size: 1.3rem; font-weight: 700; display: grid; }
.score-facts small { font-size: .78rem; font-weight: 400; color: var(--muted); }

.chart { margin: 0; }
.chart svg { display: block; width: 100%; height: auto; }
.legend { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; list-style: none; padding: 0; margin: .75rem 0 0; font-size: .9rem; color: var(--muted); }
.legend li { display: inline-flex; align-items: center; gap: .4rem; }
.key { display: inline-block; width: 12px; height: 12px; border-radius: 50%; }
.key-correct { background: var(--right); }
.key-wrong { border: 2.5px solid var(--wrong); background: var(--surface); }
.key-partly { background: var(--partly); border-radius: 1px; transform: rotate(45deg) scale(.85); }
.key-coin { width: 18px; height: 0; border-radius: 0; border-top: 2px dashed var(--muted); }
.asof { color: var(--muted); font-size: .9rem; margin: .5rem 0 0; }

.share { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.share-status { color: var(--right-ink); font-weight: 600; font-size: .9rem; }
.embed-box { flex-basis: 100%; display: grid; gap: .3rem; }

.table-wrap { overflow-x: auto; }
.ptable { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); font-size: .95rem; }
.ptable th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding: .7rem .8rem; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.ptable td { padding: .8rem; border-top: 1px solid var(--rule); vertical-align: top; }
.ptable tr:target td { background: var(--accent-soft); }
.pcell-claim { min-width: 18rem; }
.claim { margin: 0; font-weight: 600; }
.note { margin: .3rem 0 0; color: var(--muted); font-size: .9rem; }
.source { margin: .3rem 0 0; font-size: .85rem; color: var(--muted); }
.stated { display: inline-block; margin-top: .3rem; font-size: .82rem; color: var(--open-ink); background: var(--open-soft); padding: .05rem .45rem; border-radius: 4px; }
.impact { white-space: nowrap; }
.open-item:target { background: var(--accent-soft); }
.follow { margin-top: 1.75rem; color: var(--muted); }
.related { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: .5rem; }
.related li { display: flex; align-items: center; gap: .6rem; background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; padding: .6rem .8rem; }
.related a { font-weight: 700; margin-right: auto; }

.count { color: var(--muted); margin: 0 0 .5rem; }

/* compare */
.swatch { display: inline-block; width: 14px; height: 4px; border-radius: 2px; vertical-align: middle; }
.swatch-0 { background: var(--accent); }
.swatch-1 { background: var(--second); }
.compare-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.compare-table th, .compare-table td { text-align: left; padding: .55rem .5rem; border-top: 1px solid var(--rule); }
.compare-table thead th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); border-top: 0; }
.compare-table th[scope="row"] { white-space: nowrap; }
.compare-table .swatch { margin-right: .5rem; }

/* prose pages */
.prose { max-width: 44rem; }
.prose h2 { margin-top: 2rem; }
.prose p, .prose li { font-size: 1.04rem; }
.formula { font-family: var(--serif); font-size: 1.1rem; background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; padding: .8rem 1rem; }
.plain { border-collapse: collapse; width: 100%; background: var(--surface); }
.plain th, .plain td { border: 1px solid var(--rule); padding: .5rem .7rem; text-align: left; }
.operator { display: grid; gap: .4rem; margin: 0; }
.operator div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; }
.operator dt { color: var(--muted); }
.operator dd { margin: 0; }
.contact-list { list-style: none; padding: 0; display: grid; gap: 1rem; }
.contact-list li { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1rem 1.25rem; }
.contact-list h2 { margin-top: 0; font-size: 1.15rem; }
.contact-list p { margin: 0 0 .75rem; }

/* embed */
body.bare { background: var(--surface); }
body.bare main { padding: 0; }
.embed { padding: .75rem; }
.embed-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; margin: 0 0 .5rem; font-weight: 700; }
.embed-head a { color: var(--ink); font-family: var(--serif); font-size: 1.15rem; }
.embed-foot { color: var(--muted); font-size: .82rem; margin: .4rem 0 0; }

[hidden] { display: none !important; }

/* phone width */
@media (max-width: 860px) {
  .board-head { display: none; }
  .board-row { grid-template-columns: 2rem minmax(0, 1fr) auto; grid-template-areas: "rank who score" "rank record spark"; }
  .row-rank { grid-area: rank; align-self: start; }
  .row-who { grid-area: who; }
  .row-score { grid-area: score; }
  .row-record { grid-area: record; }
  .row-spark { grid-area: spark; justify-self: end; }
  .row-cat { display: none; }
  .two-col { grid-template-columns: 1fr; }
  .scorecard { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .wrap { width: calc(100% - 1.5rem); }
  main { padding-top: 1.25rem; }
  .panel { padding: .9rem; }
  .controls > .field { flex: 1 1 100%; }
  .event, .open-item { grid-template-columns: 1fr; gap: .35rem; }
  .ptable, .ptable tbody, .ptable tr, .ptable td { display: block; width: 100%; }
  .ptable thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .ptable tr { border-top: 1px solid var(--rule); padding: .4rem 0; }
  .ptable td { border: 0; padding: .3rem .8rem; }
  .ptable td[data-label]:not(.pcell-block) { display: inline-block; width: auto; vertical-align: top; padding-right: .4rem; }
  .ptable td[data-label]::before { content: attr(data-label); display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
  .pcell-claim { min-width: 0; }
  .impact { white-space: normal; }
  .score-value { font-size: 2.8rem; }
  .operator div { grid-template-columns: 1fr; gap: 0; }
}

@media print {
  .site-header nav, .controls, .share, .site-footer, .chips, .follow { display: none !important; }
  body { background: #fff; }
  .panel, .board-list, .ptable { border-color: #999; }
  a { color: inherit; }
}