@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;500;600;650;700&display=swap');

:root {
  color-scheme: light dark;
  --paper: light-dark(#f7f5ee, #172126);
  --surface: light-dark(#ffffff, #202e35);
  --ink: light-dark(#14323b, #eff5f4);
  --muted: light-dark(#4d5e62, #b9c8cc);
  --link: light-dark(#175e72, #9dd9e8);
  --line: light-dark(#d4ded9, #40545a);
  --control-line: light-dark(#869995, #84969b);
  --selected: light-dark(#e5eeed, #2b4149);
  --intro: light-dark(#e4ede8, #243c42);
  --detail: light-dark(#adc6bc, #536c65);
  --notice: light-dark(#f6f0d7, #433a22);
  --focus: light-dark(#175e72, #f3c51b);
  --gold: #f3c51b;
  --navy: #12333d;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.45 "Source Sans 3", "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body { display: flex; flex-direction: column; min-block-size: 100vh; min-block-size: 100dvh; margin: 0; background: var(--paper); }
main { flex: 1; }
.width { width: min(100% - 56px, 1120px); margin-inline: auto; }
a { color: var(--link); text-underline-offset: .16em; }
a:hover { text-decoration-thickness: 2px; }
button, input, select { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
h1, h2, h3, p { margin: 0; }
h1 { font: 600 clamp(1.75rem, 4vw, 2.25rem)/1.14 Georgia, serif; letter-spacing: -.026em; }
h2 { font-size: 1.25rem; line-height: 1.25; }
h3 { font-size: 1.0625rem; line-height: 1.3; }
.meta { font-size: .875rem; color: var(--muted); }
.skip-link { position: absolute; inset: 8px auto auto 8px; z-index: 10; padding: 8px 12px; color: var(--ink); background: var(--surface); }
.skip-link:not(:focus) { clip-path: inset(50%); }

.masthead, .footer { color: #fff; background: var(--navy); --focus: var(--gold); }
.masthead-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0 28px; }
.wordmark { border-inline-start: 4px solid var(--gold); padding-inline-start: 10px; font-weight: 700; font-size: 1.0625rem; letter-spacing: .015em; line-height: 1.25; }
.masthead a { color: inherit; text-decoration: none; }
.masthead a:hover { text-decoration: underline; }
.masthead nav { display: flex; flex-wrap: wrap; gap: 0 24px; }
.masthead nav a { display: flex; align-items: center; min-block-size: 62px; padding: 3px 1px 0; border-bottom: 3px solid transparent; font-weight: 600; }
.masthead nav a[aria-current="page"] { border-color: var(--gold); }

.directory-intro { position: relative; isolation: isolate; overflow: hidden; margin-block: 20px 12px; padding: 23px clamp(16px, 3vw, 32px) 24px; border: 1px solid var(--line); border-radius: 4px; background: var(--intro); }
.directory-intro::after { position: absolute; inset-block: -55px; inset-inline-end: -42px; z-index: -1; width: 160px; border-inline: 1px solid var(--detail); background: repeating-linear-gradient(90deg, transparent 0 22px, var(--detail) 22px 23px); opacity: .62; transform: skewX(-32deg); content: ""; }
.directory-intro > p, .page-intro > p { margin-top: 7px; max-width: 66ch; color: var(--muted); }
#resource-search { max-width: 580px; margin-top: 17px; }
#resource-search label { display: block; margin-bottom: 5px; font-weight: 650; }
.search-input { position: relative; }
.search-input::before, .search-input::after { position: absolute; content: ""; pointer-events: none; }
.search-input::before { inset: 13px auto auto 14px; width: 13px; height: 13px; border: 1.5px solid var(--muted); border-radius: 50%; }
.search-input::after { inset: 25px auto auto 24px; width: 7px; height: 1.5px; background: var(--muted); transform: rotate(45deg); }
input, select { min-block-size: 44px; border: 1px solid var(--control-line); border-radius: 4px; background: var(--surface); color: var(--ink); }
input { display: block; width: 100%; padding: 7px 12px 7px 40px; }
input::placeholder { color: var(--muted); opacity: 1; }
select { max-width: 100%; padding: 6px 10px; }
.upcoming { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 13px; padding: 8px 12px; border-inline-start: 3px solid var(--gold); background: var(--notice); }
.upcoming strong { font-size: .875rem; }

.catalog { display: grid; gap: 28px; margin-block: 23px 36px; }
.catalog:has(.topic-filter:not([hidden])) { grid-template-columns: minmax(155px, 204px) minmax(0, 1fr); }
.topic-filter { padding-top: 9px; }
.topic-filter h2 { margin-bottom: 10px; font-size: 1rem; }
#topic { display: none; }
.topic-buttons { display: grid; gap: 3px; }
.topic-buttons button { min-block-size: 40px; padding: 6px 10px; border: 0; border-inline-start: 3px solid transparent; text-align: left; color: inherit; background: transparent; }
.topic-buttons button:hover { text-decoration: underline; }
.topic-buttons button[aria-pressed="true"] { border-color: var(--link); background: var(--selected); font-weight: 700; }
.result-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 12px; }
.result-heading h2 { font-size: 1.4375rem; }
.result-count { margin-block: 3px 7px; }
.resource-list { border-top: 1px solid var(--line); background: var(--surface); }
.resource-list:empty { border: 0; }
.resource-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 12px; align-items: start; padding: 12px 14px; border-bottom: 1px solid var(--line); scroll-margin-block-start: 16px; }
.resource-row:focus-within, .resource-row:target { background: var(--selected); }
.resource-row > p { grid-column: 1 / -1; margin-top: 3px; }
.resource-format { padding: 2px 7px; border-radius: 3px; text-align: right; background: var(--selected); color: var(--muted); font-size: .8125rem; font-weight: 650; }
.requirements { font-weight: 650; }
.empty { padding-block: 14px; }
.link-button { display: inline-block; padding: 6px 0; border: 0; background: none; color: var(--link); text-decoration: underline; text-underline-offset: .16em; }

.page-intro { padding-block: 29px 20px; }
.page-intro .back { display: inline-block; margin-bottom: 6px; }
.page-intro .meta { margin-block: 7px 5px; }
.session-list, .session-detail, .about-detail { max-width: 820px; margin-bottom: 36px; }
.session-list { border-top: 1px solid var(--line); }
.session-list article { padding-block: 17px; border-bottom: 1px solid var(--line); }
.session-list h2 { margin-block: 4px; }
.session-detail h2, .about-detail h2 { margin-block: 16px 8px; }
.footer { border-top: 3px solid var(--gold); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 17px 32px; padding-block: 22px; }
.footer-inner > p { font-weight: 600; line-height: 1.2; }
.footer-logos { display: flex; align-items: center; gap: 22px; max-width: 100%; }
.footer-logos a { display: block; min-width: 0; }
.footer-logos a + a { border-inline-start: 1px solid #658087; padding-inline-start: 22px; }
.footer-logos img { display: block; height: auto; max-width: 100%; }
.commission-logo { width: 122px; }
.mla-logo { width: 146px; }

@media (max-width: 620px) {
  .width { width: calc(100% - 32px); }
  .masthead-inner { padding-top: 10px; }
  .masthead-inner .wordmark { flex-basis: 100%; }
  .masthead nav a { min-block-size: 44px; }
  .directory-intro { margin-top: 14px; padding-block: 18px; }
  .directory-intro::after { display: none; }
  .catalog:has(.topic-filter:not([hidden])) { grid-template-columns: 1fr; gap: 14px; margin-top: 14px; }
  .topic-buttons { display: none; }
  #topic { display: block; width: 100%; }
  .resource-row { display: block; }
  .resource-format { display: table; margin-block: 3px; text-align: left; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-inner > p br { display: none; }
  .footer-logos { gap: 15px; }
  .footer-logos a + a { padding-inline-start: 15px; }
  .commission-logo { width: 105px; }
  .mla-logo { width: 122px; }
}

@media (pointer: coarse) {
  .topic-buttons button, .link-button { min-block-size: 44px; }
}