/* Footnotes, margin notes and figures. On wide screens footnotes sit in the right margin,
   level with the text they belong to (Tufte-style sidenotes), and so do figure captions;
   on narrow screens the footnotes are listed at the end of the paper. */

/* all the text in the margin (notes, footnotes, figure captions) looks the same:
   Charter, smaller and grey; and so do the footnotes and captions on narrow screens */
.margin-note, .sidenote, .footnotes, .fig figcaption {
  font-family: var(--font-display);
  font-size: 0.78rem;
  line-height: 1.38;
  color: var(--muted);
}

/* ---------------------------------------------------------------- footnotes */
sup.fnref { line-height: 0; font-size: 0.75em; }
sup.fnref a { color: var(--ref); padding: 0 0.1em; }

.footnotes { margin-top: 3rem; }
.footnotes::before {
  content: "";
  display: block;
  width: 8rem;
  border-top: 1px solid var(--rule);
  margin-bottom: 0.8rem;
}
.footnotes ol { list-style: none; margin: 0; padding: 0; }
.footnotes li { position: relative; padding-left: 1.6em; margin-bottom: 0.5em; }
.fn-label { position: absolute; left: 0; }
.fnback { color: var(--ref); }

.sidenote { display: none; }
@media (min-width: 1380px) {
  .sidenote {
    display: block;
    float: right;
    clear: right;
    position: relative;
    width: var(--margin);
    margin-right: calc(-1 * (var(--margin) + var(--margin-gap)));
    margin-top: 0.15rem;
    font-style: normal;
    text-align: left;
    text-indent: 0;
    hyphens: manual;
    -webkit-hyphens: manual;
  }
  .sidenote .fn-label { position: static; margin-right: 0.15em; }
  .footnotes { display: none; }
  sup.fnref a { pointer-events: none; }
}

/* ---------------------------------------------------------------- margin notes */
/* <aside class="margin-note">: a remark that is not part of the paper (history, a picture,
   a pointer). In the margin on wide screens, a small centred aside otherwise. */
.paper .margin-note p { text-align: left; text-indent: 0; hyphens: manual; overflow: visible; }
.paper .margin-note p + p { margin-top: 0.5em; }
@media (min-width: 1380px) {
  .margin-note {
    float: right;
    clear: right;
    width: var(--margin);
    margin-right: calc(-1 * (var(--margin) + var(--margin-gap)));
    margin-top: 0.2rem;
  }
}
@media (max-width: 1379px) {
  .margin-note { max-width: 30rem; margin: 1.1em auto; }
}

/* ---------------------------------------------------------------- figures */
.fig { margin: 1.4em 0 1.3em; }
.fig-images {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.6rem 0.9rem;
}
.fig-images img {
  display: block;
  height: var(--fig-h, 6.5rem);
  width: auto;
  max-width: 100%;
}
:root[data-theme="dark"] .fig-images img { filter: brightness(0.86); border-radius: 3px; }
.fig figcaption { margin-top: 0.7rem; text-align: left; }
.fig-name { font-variant: small-caps; letter-spacing: 0.03em; color: var(--fg); }
.fig:target { background: var(--target); box-shadow: 0 0 0 0.6rem var(--target); }
@media (max-width: 560px) {
  .fig-images img { height: auto; width: 100%; max-width: 18rem; }
}
/* wide screens: the caption becomes a margin note beside the figure */
@media (min-width: 1380px) {
  .fig { position: relative; }
  .fig figcaption {
    position: absolute;
    top: -0.35em;
    left: calc(100% + var(--margin-gap));
    width: var(--margin);
    margin: 0;
    hyphens: manual;
    -webkit-hyphens: manual;
  }
}