@charset "utf-8";

.ar-page [hidden] { display: none !important; }
.ar-sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.ar-note { max-width: 46rem; margin: 0 0 .75rem; font-size: 1rem; line-height: 1.6; color: var(--sc-muted); }
.ar-summary { margin: 0 0 1.5rem; font-size: 1.05rem; font-weight: 600; color: var(--sc-ink); }

.ar-about { max-width: 46rem; margin: 0 0 1.5rem; padding-left: 1rem; border-left: 3px solid var(--sc-accent); }
.ar-theme { margin: 0 0 .4rem; font-size: 1.15rem; font-weight: 700; line-height: 1.4; color: var(--sc-ink); }
.ar-theme::before { content: "This year's theme: "; font-weight: 600; color: var(--sc-accent); }
.ar-activity-summary { margin: 0; line-height: 1.6; color: var(--sc-ink); }
.ar-none { margin: 1.5rem 0; color: var(--sc-muted); }

.ar-layout { display: grid; grid-template-columns: 6rem 1fr; gap: 0 2.5rem; align-items: start; }
.ar-rail { position: sticky; top: 1rem; display: flex; flex-direction: column; gap: .1rem; padding-top: .3rem; }
.ar-rail__legend { margin: 0 .5rem .3rem .5rem; font-size: .75rem; font-weight: 700; letter-spacing: .02em; color: var(--sc-muted); }
.ar-rail__a { display: block; padding: .4rem .5rem; font-size: 1.1rem; font-weight: 700; color: var(--sc-muted); text-decoration: none; border-left: 3px solid transparent; }
.ar-rail__a:hover { color: var(--sc-ink); }
.ar-rail__a.is-active { color: var(--sc-accent); border-left-color: var(--sc-accent); }

.ar-years { list-style: none; margin: 0; padding: 0; }
.ar-year { border-bottom: 1px solid var(--sc-line); scroll-margin-top: 1rem; margin-bottom: 2.5rem; }
.ar-year:last-child { margin-bottom: 0; }
.ar-year:last-child { border-bottom: 0; }
.ar-year__head { padding: 1.5rem 1.25rem 1.5rem; border-left: 4px solid var(--sc-accent); background: rgba(226, 24, 51, .03); }
.ar-year:first-child .ar-year__head { border-top: 0; }
.ar-year__top { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin: 0 0 .5rem; }
.ar-year__num { font-family: 'Barlow Condensed', Arial Narrow, sans-serif; font-style: italic; font-weight: 700; font-size: 2.75rem; line-height: 1; color: var(--sc-accent); }
.ar-year__when { font-size: 1rem; font-weight: 600; color: var(--sc-muted); }
.ar-year__theme { margin: .1rem 0 .9rem; font-family: 'Barlow Condensed', Arial Narrow, sans-serif; font-size: 1.65rem; line-height: 1.15; font-weight: 700; font-style: italic; color: var(--sc-accent); }
.ar-year__theme::before { content: "This year's theme"; display: block; margin: 0 0 .2rem; font-family: Interstate, Helvetica, Arial, Verdana, sans-serif; font-size: .75rem; font-weight: 700; font-style: normal; letter-spacing: .02em; color: var(--sc-muted); }
.ar-year__summary { margin: 0 0 .9rem; max-width: 44rem; line-height: 1.65; color: var(--sc-ink); }
.ar-year__toggle { display: inline-flex; align-items: center; gap: .5rem; padding: 0; margin: 0; background: none; border: 0; font: inherit; font-size: .92rem; font-weight: 700; color: var(--sc-accent); cursor: pointer; }
.ar-year__toggle:hover { text-decoration: underline; text-underline-offset: .2em; }
.ar-year__chev { position: relative; width: 14px; height: 14px; flex: none; }
.ar-year__chev::before, .ar-year__chev::after { content: ""; position: absolute; background: currentColor; }
.ar-year__chev::before { left: 0; top: 50%; width: 14px; height: 3px; margin-top: -1.5px; }
.ar-year__chev::after { left: 50%; top: 0; width: 3px; height: 14px; margin-left: -1.5px; transition: transform .3s ease; }
.ar-year__toggle[aria-expanded="true"] .ar-year__chev::after { transform: rotate(90deg); }
@media (prefers-reduced-motion: reduce) { .ar-year__chev::after { transition: none; } }
.ar-year__body { padding: 0 0 2.5rem; }

.ar-year__head--with-stats {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "main stats" "toggle stats";
  column-gap: 2.75rem;
  align-items: center;
}
.ar-year__head--with-stats .ar-year__main { grid-area: main; }
.ar-year__head--with-stats .ar-year__toggle { grid-area: toggle; justify-self: start; margin-top: .9rem; }
.ar-year__stats { grid-area: stats; margin: 0; display: flex; flex-direction: column; min-width: 10.5rem; padding-left: 2.75rem; border-left: 1px solid var(--sc-line); align-self: stretch; justify-content: center; }
.ar-stat { display: flex; align-items: baseline; justify-content: space-between; gap: 1.25rem; padding: .6rem 0; border-top: 1px solid var(--sc-line); }
.ar-stat:first-child { border-top: 0; padding-top: 0; }
.ar-stat:last-child { padding-bottom: 0; }
.ar-stat dt { margin: 0; font-size: .72rem; font-weight: 700; letter-spacing: .02em; color: var(--sc-muted); }
.ar-stat dd { margin: 0; font-family: 'Barlow Condensed', Arial Narrow, sans-serif; font-style: italic; font-weight: 700; font-size: 1.95rem; line-height: 1; color: var(--sc-accent); }

mark.ar-hit { background: #ffe27a; color: #000; border-radius: 2px; padding: 0 .05em; }

@media (max-width: 760px) {
  .ar-layout { display: block; }
  .ar-rail { position: static; flex-direction: row; flex-wrap: wrap; gap: .4rem; margin: 0 0 1.25rem; padding: 0 0 .9rem; border-bottom: 1px solid var(--sc-line); }
  .ar-rail__legend { width: 100%; margin: 0 0 .2rem; }
  .ar-rail__a { border-left: 0; border-bottom: 3px solid transparent; padding: .3rem .2rem; }
  .ar-rail__a.is-active { background: none; border-bottom-color: var(--sc-accent); }
  .ar-year__num { font-size: 2.25rem; }
  .ar-year__head { padding-left: 1rem; padding-right: 1rem; }

  .ar-year__head--with-stats {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas: "main" "stats" "toggle";
  }
  .ar-year__head--with-stats .ar-year__toggle { margin-top: 1.15rem; }
  .ar-year__head--with-stats .ar-year__stats {
    display: grid; grid-template-columns: 1fr 1fr; column-gap: 1.5rem; row-gap: .95rem;
    min-width: 0; margin-top: 1.15rem; padding: .95rem 0 0; border-left: 0; border-top: 1px solid var(--sc-line);
    text-align: center;
  }
  .ar-year__head--with-stats .ar-stat { border-top: 0; padding: 0; justify-content: center; gap: .5rem; min-width: 0; }
  .ar-year__head--with-stats .ar-stat:nth-child(even) { border-left: 1px solid var(--sc-line); padding-left: 1.5rem; }
  .ar-year__head--with-stats .ar-stat:nth-child(odd):last-child { grid-column: 1 / -1; }
  .ar-year__head--with-stats .ar-stat dd { font-size: 1.6rem; }
}

/* ---- one year: search, filters, jump links ---- */
.ar-tools { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; align-items: flex-end; margin: 0 0 1.25rem; }
.ar-find { flex: 1 1 18rem; max-width: 30rem; }
.ar-find input[type="search"] {
  width: 100%; padding: .65rem .8rem; font: inherit; font-size: 1rem;
  color: var(--sc-ink); background: #fff; border: 1px solid var(--sc-muted); border-radius: 2px;
}
.ar-chips { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
.ar-chips__legend { margin-right: .35rem; font-size: .75rem; font-weight: 700; letter-spacing: .02em; color: var(--sc-muted); }
.ar-chip {
  font: inherit; font-size: .88rem; font-weight: 600; line-height: 1.2; padding: .4rem .85rem; cursor: pointer;
  color: var(--sc-ink); background: #fff; border: 1px solid var(--sc-muted); border-radius: 999px;
}
.ar-chip:hover { border-color: var(--sc-accent); color: var(--sc-accent); }
.ar-chip[aria-pressed="true"] { color: #fff; background: #000; border-color: #000; }
.ar-chip:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }

/* Expand all / Collapse all */
.ar-tools .sc-btn[disabled] { opacity: .5; cursor: not-allowed; }
.ar-tools .sc-btn[disabled]:hover, .ar-tools .sc-btn[disabled]:focus-visible { background: transparent; color: var(--sc-accent); }

.ar-jump { display: flex; flex-wrap: wrap; gap: .25rem 1.4rem; margin: 0 0 1rem; padding: .7rem 0; border-top: 1px solid var(--sc-line); border-bottom: 1px solid var(--sc-line); }
.ar-jump__a { font-size: .92rem; font-weight: 600; color: var(--sc-accent); text-decoration: none; }
.ar-jump__a:hover, .ar-jump__a:focus-visible { text-decoration: underline; text-underline-offset: .2em; }
.ar-count { margin: 0 0 1rem; min-height: 1.4em; font-size: .92rem; color: var(--sc-muted); }

/* ---- the days ---- */
.ar-day { margin: 0 0 2.5rem; scroll-margin-top: 1rem; }
.ar-day__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .1rem .9rem; margin: 0 0 .25rem; padding: .9rem 0 .5rem; border-top: 3px solid var(--sc-ink); scroll-margin-top: 1rem; }
[data-ar="index"] .ar-day__head { border-top: 1px solid var(--sc-line); padding-top: .6rem; }
.ar-day__name { font-size: 1.5rem; font-weight: 700; line-height: 1.2; }
.ar-day__sub { font-size: 1rem; font-weight: 600; color: var(--sc-muted); }

.ar-session { padding: 1.1rem 0 1.2rem; border-bottom: 1px solid var(--sc-line); scroll-margin-top: 1rem; }
.ar-session:last-child { border-bottom: 0; }
.ar-session--target { background: rgba(255, 210, 0, .22); box-shadow: -.75rem 0 0 rgba(255, 210, 0, .22), .75rem 0 0 rgba(255, 210, 0, .22); }
.ar-session__when { margin: 0 0 .2rem; font-size: .9rem; font-weight: 600; color: var(--sc-muted); }
.ar-session__where::before { content: "\00b7"; margin: 0 .5em; }
.ar-session__title { margin: 0 0 .35rem; font-size: 1.2rem; font-weight: 700; line-height: 1.3; color: var(--sc-ink); }
.ar-session__people { margin: 0 0 .5rem; font-size: .95rem; line-height: 1.5; }
.ar-session__tags { margin: 0 0 .5rem; }
.ar-session__about { margin: .4rem 0 .6rem; max-width: 46rem; line-height: 1.65; }
.ar-session__links { display: flex; flex-wrap: wrap; gap: .25rem 1.5rem; margin: .5rem 0 0; }
.ar-link { font-size: .95rem; font-weight: 700; color: var(--sc-accent); text-decoration: underline; text-underline-offset: .2em; }
.ar-link:hover, .ar-link:focus-visible { text-decoration-thickness: 2px; }
.ar-link--play::before { content: "\25B6"; display: inline-block; margin-right: .45em; font-size: .75em; vertical-align: .08em; text-decoration: none; }
.ar-link--file::before { content: "\25A4"; display: inline-block; margin-right: .45em; font-size: .9em; vertical-align: -.02em; }

/* ---- presenters A to Z ---- */
.ar-az { margin: 3rem 0 2rem; }
.ar-az__head { margin: 0 0 1rem; padding-top: .9rem; border-top: 3px solid var(--sc-ink); font-size: 1.5rem; font-weight: 700; scroll-margin-top: 1rem; }
.ar-az__letter { margin: 1.25rem 0 .25rem; font-size: .8rem; font-weight: 700; letter-spacing: .14em; color: var(--sc-muted); }
.ar-az__list { list-style: none; margin: 0; padding: 0; }
.ar-az__item { display: grid; grid-template-columns: minmax(11rem, 16rem) 1fr; gap: .1rem 1.5rem; padding: .55rem 0; border-top: 1px solid var(--sc-line); }
.ar-az__name { font-weight: 700; }
.ar-az__title { display: block; font-size: .85rem; font-weight: 400; color: var(--sc-muted); }
.ar-az__sessions { font-size: .92rem; line-height: 1.5; }
.ar-az__link { color: var(--sc-accent); text-decoration: underline; text-underline-offset: .2em; }
.ar-az__link:hover, .ar-az__link:focus-visible { text-decoration-thickness: 2px; }
@media (max-width: 640px) { .ar-az__item { grid-template-columns: 1fr; } }

@media print {
  .ar-tools, .ar-jump, .ar-count { display: none; }
  .ar-session { break-inside: avoid; }
}
