:root {
  --navy: #001b44;
  --gold: #f6be00;
  --blue: #005ea8;
  --ink: #17212b;
  --muted: #52616e;
  --meta: #455563;
  --border: #dfe4e8;
  --past: #8a959e;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: #fff;
  font: 1rem/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: var(--blue); }
a:hover { color: var(--navy); }
.site { display: flex; flex-direction: column; min-height: 100vh; }
.brand { color: #fff; background: var(--navy); border-bottom: 5px solid var(--gold); }
.brand > div, main, footer > div { width: min(1180px, 100% - 40px); margin: auto; }
.brand > div { display: flex; align-items: center; gap: 22px; min-height: 88px; font-size: 1.2rem; }
.brand b { font: 700 2.75rem/1 Georgia, serif; letter-spacing: -.09em; border-right: 1px solid rgba(255,255,255,.45); padding-right: 24px; }
main { flex: 1; padding: 28px 0 47px; }
h1, h2 { font-family: Georgia, serif; font-weight: 600; letter-spacing: -.015em; margin: 0; }
h1 { font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.08; margin-bottom: 12px; }
.intro { max-width: 820px; margin-bottom: 26px; }
.title-row { display: flex; align-items: center; gap: 22px; margin-bottom: 12px; }
.title-row h1 { margin-bottom: 0; }
.logo { width: 150px; height: 150px; flex: none; }
.lede { margin: 0 0 10px; font-size: 1.05rem; }
.status { color: var(--muted); font-style: italic; margin: 10px 0 16px; }
.status:empty { display: none; }
.status.warn { color: #7a4b00; background: #fff6d6; border: 1px solid #f0d78a; font-style: normal; padding: 8px 12px; border-radius: 4px; }
.status.error { color: #7a1c1c; background: #fdecec; border: 1px solid #f2b8b8; font-style: normal; padding: 8px 12px; border-radius: 4px; }

.week-list { border-top: 3px solid var(--navy); }
.week-list h2.term { font-size: 1.05rem; color: var(--navy); text-transform: uppercase; letter-spacing: .08em; padding: 18px 10px 6px; }
.week-list h2.past-heading { font-size: 1.05rem; color: var(--past); padding: 28px 10px 6px; }
.week-list article {
  display: grid;
  grid-template-columns: 76px 1fr 205px;
  gap: 16px;
  padding: 14px 10px;
  border-bottom: 1px solid var(--border);
}
.week-list time { display: flex; flex-direction: column; }
.week-list time strong { font: 600 1.1rem Georgia, serif; }
.week-list time span { color: var(--muted); font-size: .9rem; }
.talk + .talk { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border); }
.tag { color: var(--blue); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 2px; font-size: .76rem; font-weight: 800; }
.speaker { font-weight: 700; font-size: 1.08rem; }
.speaker.tbd { color: var(--muted); font-weight: 600; }
.paper { font-family: Georgia, serif; margin: 2px 0 0; }
.tba { color: #65737e; font-style: italic; }
.actions { margin-top: 6px; font-size: .88rem; }
.actions a + a::before { content: "·"; color: var(--muted); margin: 0 8px; }
.title-form { display: grid; gap: 8px; max-width: 520px; margin-top: 10px; padding: 12px; background: #f3f5f6; border-radius: 6px; }
.title-form input { font: inherit; padding: 8px 10px; border: 1px solid #b7c7d2; border-radius: 4px; background: #fff; }
.title-form input:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.title-form__row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.title-form__note { font-size: .82rem; color: var(--muted); }
.title-form__required { margin: 0; font-size: .88rem; font-weight: 700; color: #b1262e; }
.title-form__msg { margin: 0; font-size: .88rem; color: var(--muted); }
.title-form__msg:empty { display: none; }
.title-form__msg.is-error { color: #7a1c1c; }
.btn { font: inherit; font-weight: 700; font-size: .9rem; padding: 7px 14px; border-radius: 4px; border: 2px solid var(--navy); background: var(--navy); color: #fff; cursor: pointer; }
.btn:disabled { opacity: .6; cursor: default; }
.btn--ghost { background: transparent; color: var(--navy); }
.meta { color: var(--meta); font-size: .9rem; display: grid; gap: 5px; align-content: start; }
.meta span { display: flex; gap: 7px; }
.meta svg { width: 12px; height: 12px; margin-top: 5px; flex: none; }
article.is-past { color: var(--past); }
article.is-past .speaker, article.is-past .tag, article.is-past .meta, article.is-past time strong { color: var(--past); }
article.is-past .actions { display: none; }
footer { color: #fff; background: var(--navy); padding: 30px 0; margin-top: 30px; font-size: .9rem; }
footer > div { display: flex; flex-direction: column; gap: 4px; }
footer span { color: #c8d3dc; }
footer a { color: #fff; }

@media (max-width: 720px) {
  .brand > div, main, footer > div { width: calc(100% - 28px); }
  .brand > div { min-height: 72px; }
  .brand b { font-size: 2.1rem; }
  main { padding: 16px 0 34px; }
  .title-row { gap: 14px; }
  .logo { width: 96px; height: 96px; }
  .week-list article { grid-template-columns: 68px 1fr; gap: 12px 15px; }
  .meta { grid-column: 2; }
}