/* Rate Diff theme. One column of ink on paper, tabular figures, hairline rules. */

:root {
  --ink: #14161a;
  --paper: #fbfaf7;
  --rule: #d9d6ce;
  --rule-strong: #14161a;
  --muted: #6b6f76;
  --green: #1f5e3c;
  --sans: var(--gh-font-body, 'IBM Plex Sans', -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif);
  --heading: var(--gh-font-heading, var(--sans));
  --mono: 'IBM Plex Mono', SFMono-Regular, Menlo, Consolas, monospace;
  --measure: 40rem;
  --sheet: 76rem;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.5;
  font-feature-settings: 'tnum' 1, 'kern' 1;
}
a { color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { font-family: var(--heading); font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; margin: 0; }
p { margin: 0 0 1.1em; }
strong { font-weight: 700; }
img { max-width: 100%; height: auto; }

/* ---- layout ---- */
.rs-wrap { max-width: var(--sheet); margin: 0 auto; padding: 0 1.25rem; }
.rs-article { padding: 2rem 0 4rem; }
.rs-post-head { max-width: var(--measure); margin: 0 0 1.5rem; padding-bottom: 1rem; border-bottom: 2px solid var(--rule-strong); }
.rs-kicker { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.5rem; }
.rs-title { font-size: 2rem; }
.rs-date { color: var(--muted); font-size: 0.9375rem; margin: 0.5rem 0 0; }
.rs-content > p, .rs-content > h3, .rs-content > h2:not(.rs-h) { max-width: var(--measure); }
.rs-content h3 { font-size: 1.125rem; margin: 2.25rem 0 0.6rem; padding-top: 0.6rem; border-top: 2px solid var(--rule-strong); }
.rs-summary { font-size: 1.125rem; }
.rs-small { font-size: 0.875rem; color: var(--muted); }
.rs-small strong { color: var(--ink); }

/* ---- sponsor slot ---- */
.rs-sponsor { max-width: var(--measure); margin: 0 0 1.5rem; }

/* ---- the sheet ---- */
.rs-section { margin: 2.25rem 0 0; }
.rs-h { font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 0 0 0.4rem; border-bottom: 2px solid var(--rule-strong); }
.rs-h .rs-count { font-weight: 400; color: var(--muted); }
.rs-note { font-size: 0.875rem; color: var(--muted); max-width: var(--measure); margin: 0.6rem 0 0.4rem; }
.rs-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.rs-sheet { width: 100%; border-collapse: collapse; font-size: 0.9375rem; line-height: 1.4; font-variant-numeric: tabular-nums; }
.rs-sheet th { text-align: left; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); padding: 0.6rem 0.6rem 0.4rem 0; border-bottom: 1px solid var(--rule); vertical-align: bottom; white-space: nowrap; }
.rs-sheet td { padding: 0.7rem 0.6rem 0.7rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.rs-sheet th:last-child, .rs-sheet td:last-child { padding-right: 0; }
.rs-sheet .rs-n { color: var(--muted); font-size: 0.8125rem; width: 2rem; }
.rs-sheet .rs-issuer { min-width: 16rem; max-width: 24rem; }
.rs-sheet .rs-issuer a { font-weight: 700; }
.rs-sheet .rs-num { text-align: right; white-space: nowrap; }
.rs-sheet th.rs-num { text-align: right; }
.rs-sheet .rs-sub { display: inline-block; font-size: 0.875rem; color: var(--muted); margin-top: 0.1rem; }
.rs-sheet .rs-persons { min-width: 14rem; max-width: 20rem; font-size: 0.875rem; }
.rs-sheet .rs-prior { white-space: nowrap; }
.rs-sheet .rs-accs { font-size: 0.875rem; }
.rs-acc { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); letter-spacing: 0.01em; }
.rs-none { color: var(--muted); }
.rs-up { color: var(--green); font-weight: 700; }
.rs-tag { display: inline-block; font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--rule); border-radius: 2px; padding: 0 0.3rem; vertical-align: 1px; }
.rs-role { color: var(--muted); }
.rs-entity { color: var(--ink); }
.rs-empty { color: var(--muted); }

/* Stacked rows on narrow screens: each cell shows its column label. */
@media (max-width: 720px) {
  .rs-sheet, .rs-sheet tbody, .rs-sheet tr, .rs-sheet td { display: block; width: 100%; }
  .rs-sheet thead { display: none; }
  .rs-sheet tr { padding: 0.8rem 0; border-bottom: 1px solid var(--rule); }
  .rs-sheet td { padding: 0.15rem 0; border: 0; }
  .rs-sheet td.rs-n { display: none; }
  .rs-sheet td.rs-issuer { padding-bottom: 0.4rem; font-size: 1rem; }
  .rs-sheet td:not(.rs-issuer)::before { content: attr(data-label); display: inline-block; min-width: 7.5rem; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; color: var(--muted); }
  .rs-sheet .rs-num { text-align: left; white-space: normal; }
  .rs-sheet .rs-issuer, .rs-sheet .rs-persons { max-width: none; min-width: 0; }
  .rs-sheet td.rs-persons::before { display: block; }
}

/* ---- site chrome ---- */
.rs-masthead { border-bottom: 1px solid var(--rule); background: var(--paper); }
.rs-masthead-row { display: flex; align-items: center; gap: 1.5rem; min-height: 3.5rem; }
.rs-wordmark { font-weight: 700; font-size: 1.125rem; letter-spacing: -0.02em; text-decoration: none; white-space: nowrap; }
.rs-wordmark span { font-weight: 400; margin-left: 0.28em; }
.rs-nav { display: flex; gap: 1.25rem; margin-left: auto; }
.rs-nav .nav { display: flex; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.rs-nav a, .rs-footer-nav a { font-size: 0.9375rem; color: var(--muted); text-decoration: none; }
.rs-nav a:hover, .rs-footer-nav a:hover { color: var(--ink); text-decoration: underline; }
.rs-nav .nav-current a { color: var(--ink); font-weight: 600; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 5px; }
.rs-footer-nav .nav-current a { color: var(--ink); font-weight: 600; }
.rs-nav-subscribe { font-size: 0.875rem; font-weight: 600; color: var(--paper); background: var(--ink); text-decoration: none; padding: 0.45rem 0.8rem; white-space: nowrap; }
.rs-nav-subscribe:hover { text-decoration: none; background: #000; }

.rs-footer { border-top: 2px solid var(--rule-strong); margin-top: 4rem; padding: 2rem 0 3rem; }
.rs-footer-row { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.rs-footer-name { font-weight: 700; margin: 0 0 0.2rem; }
.rs-footer-line { color: var(--muted); font-size: 0.9375rem; margin: 0; max-width: 32rem; }
.rs-footer-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: flex-start; }
.rs-footer-nav .nav { display: flex; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.rs-footer-small { font-size: 0.8125rem; color: var(--muted); max-width: var(--measure); margin: 0 0 0.5rem; }

/* ---- front page ---- */
.rs-home { padding-top: 3.5rem; }
.rs-hero { max-width: var(--measure); padding-bottom: 3rem; border-bottom: 2px solid var(--rule-strong); }
.rs-hero-title { font-size: 2.5rem; letter-spacing: -0.02em; margin: 0 0 1.25rem; text-wrap: balance; }
.rs-hero-lead { font-size: 1.125rem; margin: 0 0 2rem; }
.rs-hero-alt { font-size: 0.9375rem; color: var(--muted); margin: 1rem 0 0; }
.rs-latest, .rs-how, .rs-recent, .rs-who { margin-top: 3.5rem; }
.rs-latest-title { font-size: 1.375rem; margin: 0.8rem 0 0.5rem; max-width: var(--measure); }
.rs-latest-title a { text-decoration: none; }
.rs-latest-title a:hover { text-decoration: underline; }
.rs-latest-summary { max-width: var(--measure); }
.rs-more { font-weight: 600; }
.rs-how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin: 1rem 0 0.5rem; }
.rs-how-grid h3 { font-size: 1rem; margin: 0 0 0.4rem; }
.rs-how-grid p { font-size: 0.9375rem; color: var(--muted); margin: 0; }
.rs-who p { max-width: var(--measure); margin-top: 0.8rem; }

/* ---- issue lists ---- */
.rs-issue-list { list-style: none; margin: 0.5rem 0 1rem; padding: 0; }
.rs-issue-row { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--rule); }
.rs-issue-date { color: var(--muted); font-size: 0.9375rem; text-decoration: none; font-variant-numeric: tabular-nums; padding-top: 0.1rem; }
.rs-issue-title { font-weight: 700; text-decoration: none; }
.rs-issue-title:hover { text-decoration: underline; }
.rs-issue-summary { color: var(--muted); font-size: 0.9375rem; margin: 0.25rem 0 0; max-width: var(--measure); }
.rs-archive { padding: 2rem 0 4rem; }
.rs-archive .rs-post-head { max-width: none; }
.rs-archive .rs-date { max-width: var(--measure); }
.pagination { display: flex; justify-content: space-between; margin: 1.5rem 0; font-size: 0.9375rem; color: var(--muted); }

/* ---- subscribe ---- */
.rs-subscribe { max-width: var(--measure); margin: 0.5rem 0 0; }
.rs-subscribe-row { display: flex; gap: 0.5rem; }
.rs-subscribe-row input { flex: 1; min-width: 0; font: inherit; padding: 0.6rem 0.75rem; border: 1px solid var(--ink); border-radius: 0; background: #fff; color: var(--ink); }
.rs-subscribe-row button { font: inherit; font-weight: 600; padding: 0.6rem 1rem; border: 1px solid var(--ink); border-radius: 0; background: var(--ink); color: var(--paper); cursor: pointer; }
.rs-subscribe-row button:hover { background: #000; }
.rs-subscribe-note { font-size: 0.8125rem; color: var(--muted); margin: 0.5rem 0 0; }
.rs-subscribe-msg { display: none; font-size: 0.9375rem; margin: 0.5rem 0 0; }
.rs-subscribe-form.success .rs-subscribe-msg[data-members-success] { display: block; }
.rs-subscribe-form.error .rs-subscribe-err { display: block; color: #8a1f1f; }
.rs-subscribe-form.loading button { opacity: 0.6; }
.rd-ask { background: #efece6; border-bottom: 1px solid var(--rule); }
.rd-ask [hidden] { display: none; }
.rd-ask-box { max-width: var(--measure); padding: 1.25rem 0; }
.rd-ask-title { font-size: 1.25rem; margin: 0 0 0.25rem; }
.rd-ask-note { font-size: 0.875rem; color: var(--muted); margin: 0 0 0.75rem; }
.rd-ask-choices { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 0.75rem; }
.rd-ask-choices button { font: inherit; font-size: 0.9375rem; padding: 0.45rem 0.75rem; border: 1px solid var(--ink); border-radius: 0; background: #fff; color: var(--ink); cursor: pointer; }
.rd-ask-choices button:hover, .rd-ask-choices button:focus-visible { background: var(--ink); color: var(--paper); }
.rd-ask-skip { font: inherit; font-size: 0.875rem; color: var(--muted); background: none; border: 0; padding: 0; text-decoration: underline; text-underline-offset: 2px; cursor: pointer; }
.rd-ask-skip:hover { color: var(--ink); }
.rd-ask-thanks { font-weight: 600; margin: 0; }

/* ---- the free-members wall ---- */
.rs-wall { max-width: var(--measure); margin: 2rem 0 0; padding: 1.5rem 0 0; border-top: 2px solid var(--rule-strong); }
.rs-wall-kicker { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.5rem; }
.rs-wall h2 { font-size: 1.5rem; margin: 0 0 0.6rem; }
.rs-wall p { margin: 0 0 1rem; }
.rs-wall .rs-subscribe { margin-top: 0; }
.rs-wall-signin { font-size: 0.875rem; color: var(--muted); margin-top: 0.75rem; }
.rs-wall-marker { max-width: var(--measure); margin: 2rem 0; padding: 0.8rem 1rem; border: 1px dashed var(--rule-strong); font-size: 0.875rem; color: var(--muted); }

/* ---- issue page extras ---- */
.rs-post-foot { margin-top: 3rem; padding-top: 1.5rem; border-top: 2px solid var(--rule-strong); max-width: var(--measure); }
.rs-prevnext { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.9375rem; margin-bottom: 1.5rem; }
.rs-prevnext a { text-decoration: none; color: var(--muted); }
.rs-prevnext a:hover { color: var(--ink); text-decoration: underline; }
.rs-content > p:first-child { font-size: 1.125rem; }
.rs-content .kg-card, .rs-content figure { max-width: var(--measure); margin: 1.5rem 0; }
.rs-content .kg-width-wide { max-width: var(--sheet); }
.rs-content .kg-width-full { max-width: none; width: 100%; }
.rs-prose { max-width: var(--measure); }
.rs-prose h2 { font-size: 1.375rem; margin: 2rem 0 0.6rem; }
.rs-prose h3 { border: 0; padding: 0; margin: 1.6rem 0 0.4rem; }
.rs-prose ul, .rs-prose ol { padding-left: 1.25rem; margin: 0 0 1.1em; }
.rs-prose li { margin-bottom: 0.35em; }
.rs-prose table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; margin: 0 0 1.5rem; }
.rs-prose th, .rs-prose td { text-align: left; padding: 0.5rem 0.6rem 0.5rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.rs-prose th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }

@media (max-width: 720px) {
  .rs-masthead-row { flex-wrap: wrap; gap: 0.75rem 1rem; padding-top: 0.75rem; padding-bottom: 0.75rem; }
  .rs-nav { margin-left: 0; order: 3; width: 100%; }
  .rs-nav .nav { gap: 1rem; flex-wrap: wrap; }
  .rs-nav-subscribe { margin-left: auto; }
  .rs-hero-title { font-size: 1.875rem; }
  .rs-title { font-size: 1.625rem; }
  .rs-how-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .rs-issue-row { grid-template-columns: 1fr; gap: 0.2rem; }
  .rs-subscribe-row { flex-direction: column; }
}

/* ---- numbers strip, sort and filter controls ---- */
.rs-content .rs-strip { max-width: var(--measure); margin: 0.25rem 0 0.5rem; }
.rs-tools { display: flex; flex-wrap: wrap; gap: 0.6rem 1.25rem; align-items: center; margin: 0.8rem 0 0.6rem; padding: 0.6rem 0.8rem; background: #efece6; border: 1px solid var(--rule); font-size: 0.875rem; color: var(--ink); }
.rs-tools-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); margin-right: 0.25rem; }
.rs-tools label { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--muted); }
.rs-tools select { font: inherit; font-size: 0.875rem; color: var(--ink); background: #fff; border: 1px solid var(--ink); border-radius: 0; padding: 0.3rem 0.5rem; max-width: 16rem; }
.rs-tools-count { font-variant-numeric: tabular-nums; margin-left: auto; }
.rs-tools-reset { font-weight: 600; }
.rs-sheet tr[hidden] { display: none !important; }
.rs-issue-empty { color: var(--muted); padding: 0.9rem 0; }
.rs-footer-nav .nav { align-items: baseline; }