/* The Apologetic Authority: reading layer.
   Scale and density are tuned so the page breathes at 100% browser zoom the way it used to at 80%:
   body text stays at 16.5px (never below 16px), the measure is held near 68 characters, display sizes come down and
   the surrounding space goes up. Presentation only; the manuscript text and markup order are untouched. */

:root {
  --reader-body: 1.0313rem;      /* 16.5px at the default root size */
  --reader-gutter: clamp(20px, 5.2vw, 68px);
  --reader-rail: 212px;
  --reader-shell: 1120px;
  --reader-shadow:
    0 1px 1px rgb(59 50 43 / 6%), 0 3px 3px rgb(59 50 43 / 5%), 0 8px 8px rgb(59 50 43 / 4%), 0 18px 20px rgb(59 50 43 / 4%);
  --reader-bevel: inset 0 1px 0 rgb(255 255 255 / 85%);
}

body {
  font-size: var(--reader-body);
  line-height: 1.68;
  background:
    radial-gradient(circle at 80% 0%, rgb(216 177 134 / 14%), transparent 34rem),
    #e8e1d8;
}
.publication-shell {
  width: min(var(--reader-shell), calc(100% - 64px));
  margin-block: clamp(16px, 3vw, 40px);
  min-height: 0;
  border-radius: 10px;
  box-shadow: 0 2px 4px rgb(78 67 58 / 8%), 0 24px 70px rgb(78 67 58 / 13%);
}
.publication-header, .publication-meta, .manuscript, .publication-footer { padding-inline: var(--reader-gutter); }

/* header */
.publication-header { padding-top: clamp(28px, 5.5vw, 64px); padding-bottom: 26px; }
.site-link { margin-bottom: 30px; font-size: .75rem; }
h1 { margin: 8px 0 10px; font-size: clamp(2.3rem, 5.4vw, 4rem); line-height: 1.08; }
.subtitle { margin-bottom: 18px; font-size: clamp(1.02rem, 1.7vw, 1.22rem); }
.byline { font-size: .9rem; line-height: 1.55; }

/* ---- metadata ---------------------------------------------------------------------------------------------- */
.publication-meta { gap: 16px; padding-top: 26px; padding-bottom: 30px; }
.publication-meta > .meta-label { margin: 0; color: #61564c; }

.status-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}
.status-grid > div {
  position: relative;
  grid-column: span 3;
  padding: 12px 14px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(165deg, #fffdf9, rgb(251 249 245 / 90%) 60%, rgb(243 238 230 / 70%));
  box-shadow: var(--reader-bevel), 0 1px 1px rgb(59 50 43 / 5%), 0 4px 8px rgb(59 50 43 / 4%);
}
.status-grid > div:nth-child(1) { grid-column: span 2; }
.status-grid > div:nth-child(2) { grid-column: span 4; }
.status-grid dt { color: #61564c; font-size: .72rem; letter-spacing: .1em; }
.status-grid dd { margin-top: 3px; font-family: var(--sans); font-size: .93rem; line-height: 1.45; color: var(--ink); }
/* the identifying facts carry an accent edge */
.status-grid > div:nth-child(2)::before,
.status-grid > div:nth-child(3)::before,
.status-grid > div:nth-child(4)::before {
  position: absolute; top: 10px; bottom: 10px; left: 0; width: 3px; border-radius: 0 2px 2px 0;
  background: linear-gradient(180deg, #c89a6a, rgb(200 154 106 / 15%)); content: "";
}

.abstract-box, .citation-box, .placeholder-box, .boundary-box {
  padding: 16px 18px 17px;
  border-radius: 8px;
  box-shadow: var(--reader-bevel), 0 1px 1px rgb(59 50 43 / 5%), 0 4px 8px rgb(59 50 43 / 4%);
}
.abstract-box { background: #fffdf9; }
.abstract-box p { max-width: 70ch; font-size: .98rem; line-height: 1.65; }
.citation-box { background: rgb(243 238 230 / 62%); font-family: var(--sans); font-size: .9rem; line-height: 1.55; }
.citation-box p { font-size: .9rem; }
.meta-label { color: #61564c; font-size: .72rem; }

/* Revision: a note with an accent edge */
.placeholder-box {
  border-left: 3px solid #7b512f;
  background: linear-gradient(165deg, #fffdf9, rgb(243 238 230 / 70%));
  font-family: var(--sans);
  font-size: .92rem;
  line-height: 1.55;
}
.placeholder-box p { font-size: .92rem; }

/* Does not claim: each exclusion is marked, in two columns on wide screens */
.boundary-box { background: rgb(243 238 230 / 60%); }
.boundary-box ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 6px 22px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: .9rem;
}
.boundary-box li { position: relative; padding-left: 22px; }
.boundary-box li::before {
  position: absolute; left: 0; top: .05em; width: 15px; height: 15px; border: 1px solid #b8aa99; border-radius: 50%;
  background:
    linear-gradient(45deg, transparent calc(50% - .6px), #756b60 calc(50% - .6px) calc(50% + .6px), transparent calc(50% + .6px)),
    linear-gradient(-45deg, transparent calc(50% - .6px), #756b60 calc(50% - .6px) calc(50% + .6px), transparent calc(50% + .6px));
  background-size: 7px 7px; background-position: center; background-repeat: no-repeat; content: "";
}

/* ---- manuscript --------------------------------------------------------------------------------------------- */
.manuscript { padding-top: clamp(24px, 4vw, 48px); padding-bottom: clamp(32px, 5.5vw, 68px); }
.manuscript p, .manuscript li { max-width: 68ch; }
.manuscript p { margin-block: .9em; }
.manuscript h2 { margin-top: 2.1em; font-size: clamp(1.45rem, 2.9vw, 2.05rem); line-height: 1.2; }
.manuscript h3 { margin-top: 1.8em; font-size: clamp(1.1rem, 2.1vw, 1.32rem); }
.manuscript hr { margin: 1.6rem 0; }
table { font-size: .84rem; margin-block: 1rem 1.4rem; }
th, td { padding: 9px 11px; }

/* ---- Changelog: collapsible ----------------------------------------------------------------------------------- */
details.changelog {
  margin: 1.4em 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(165deg, #fffdf9, rgb(243 238 230 / 55%));
  box-shadow: var(--reader-bevel), 0 1px 1px rgb(59 50 43 / 5%), 0 4px 8px rgb(59 50 43 / 4%);
}
details.changelog > summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 18px; cursor: pointer; list-style: none; border-radius: 8px;
}
details.changelog > summary::-webkit-details-marker { display: none; }
details.changelog > summary h3 { margin: 0; font-size: 1.15rem; }
details.changelog > summary::after {
  flex: 0 0 auto; padding: 4px 11px; border: 1px solid var(--line); border-radius: 999px; background: #fff;
  color: #7b512f; font: 700 .72rem/1.4 var(--sans); letter-spacing: .1em; text-transform: uppercase; content: "Show";
}
details.changelog[open] > summary { border-bottom: 1px solid var(--line); border-radius: 8px 8px 0 0; }
details.changelog[open] > summary::after { content: "Hide"; }
details.changelog > :not(summary) { margin-inline: 18px; }
details.changelog > table { width: calc(100% - 36px); }
details.changelog > p:last-of-type, details.changelog > table:last-child { margin-bottom: 18px; }
details.changelog > summary:focus-visible, .toc-rail a:focus-visible, .to-top:focus-visible {
  outline: 2px solid #596344; outline-offset: 3px;
}

/* ---- Table of contents: inline list plus an "On this page" rail with scroll-spy ----------------------------------- */
.toc-list { font-size: .92rem; line-height: 1.5; }
.toc-list a { padding-block: 1px; }

.toc-rail { display: none; }
@media (min-width: 1100px) {
  .manuscript.has-rail {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--reader-rail);
    column-gap: 40px;
    align-items: start;
  }
  .manuscript.has-rail > * { grid-column: 1; }
  .manuscript.has-rail > .toc-rail {
    display: block;
    grid-column: 2;
    grid-row: 1 / span 400;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    margin-top: 6px;
    padding: 14px 4px 14px 0;
    font-family: var(--sans);
    scrollbar-width: thin;
  }
  .toc-rail h2 {
    margin: 0 0 10px; padding: 0; border: 0;
    color: #61564c; font: 700 .72rem/1.4 var(--sans); letter-spacing: .14em; text-transform: uppercase;
  }
  .toc-rail ol { margin: 0; padding: 0; list-style: none; border-left: 1px solid var(--line); }
  .toc-rail a {
    display: block; margin-left: -1px; padding: 5px 8px 5px 14px; border-left: 2px solid transparent;
    color: #4e433a; font-size: .83rem; line-height: 1.38; text-decoration: none;
    transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
  }
  .toc-rail a:hover { color: #7b512f; background: rgb(232 225 216 / 40%); }
  .toc-rail a[aria-current="location"] { border-left-color: #7b512f; color: #7b512f; font-weight: 600; background: rgb(232 225 216 / 55%); }
}
.to-top {
  position: fixed; right: 18px; bottom: 18px; z-index: 5; display: none; padding: 9px 14px;
  border: 1px solid var(--line); border-radius: 999px; background: #fffdf9; color: #7b512f;
  font: 700 .74rem/1 var(--sans); letter-spacing: .1em; text-decoration: none; text-transform: uppercase;
  box-shadow: 0 2px 4px rgb(59 50 43 / 10%), 0 10px 22px rgb(59 50 43 / 10%);
}
.to-top.is-visible { display: inline-block; }

/* ---- small screens -------------------------------------------------------------------------------------------- */
@media (max-width: 899px) {
  .status-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .status-grid > div, .status-grid > div:nth-child(1), .status-grid > div:nth-child(2) { grid-column: span 1; }
  .status-grid > div:nth-child(2), .status-grid > div:nth-child(3) { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  body { font-size: 1rem; }
  .publication-shell { width: 100%; margin-block: 0; border-radius: 0; }
  .status-grid { grid-template-columns: minmax(0, 1fr); }
  .status-grid > div, .status-grid > div:nth-child(n) { grid-column: 1; }
  details.changelog > :not(summary) { margin-inline: 12px; }
  /* Changelog rows become stacked entries; the header row stays available to assistive technology. */
  details.changelog > table { display: block; width: calc(100% - 24px); overflow: visible; }
  details.changelog > table tbody { display: block; width: auto; }
  details.changelog > table { table-layout: auto; margin-top: 12px; }
  details.changelog > table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  details.changelog > table tr { display: block; margin-bottom: 10px; border: 1px solid var(--line); border-radius: 8px; background: #fffdf9; }
  details.changelog > table td { display: block; border: 0; border-bottom: 1px solid rgb(213 201 185 / 55%); padding: 8px 12px; overflow-wrap: break-word; word-break: normal; }
  details.changelog > table td:last-child { border-bottom: 0; }
  details.changelog > table td::before { display: block; margin-bottom: 2px; color: #61564c; font: 700 .7rem/1.3 var(--sans); letter-spacing: .1em; text-transform: uppercase; }
  details.changelog > table td:nth-child(1)::before { content: "Version"; }
  details.changelog > table td:nth-child(2)::before { content: "Change"; }
  details.changelog > table td:nth-child(3)::before { content: "Sections Affected"; }
}
@media (prefers-reduced-motion: reduce) {
  .toc-rail a { transition: none; }
}
@media print {
  .toc-rail, .to-top { display: none !important; }
  details.changelog > :not(summary) { display: block; }
}