:root {
  color-scheme: light;
  --bg: #fafaf7;
  --surface: #ffffff;
  --surface-hover: #f3f3ee;
  --text: #171717;
  --muted: #696961;
  --faint: #97978e;
  --line: #dcdcd4;
  --line-dark: #bdbdb4;
  --accent: #0550ae;
  --accent-soft: #eaf2ff;
  --signal: #18794e;
  --signal-soft: #e9f7ef;
  --banner: #f2f6ff;
  --shell: min(1040px, calc(100vw - 28px));
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 var(--sans);
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
a { color: inherit; }
::selection { background: #cfe3ff; }

.shell { width: var(--shell); margin-inline: auto; }
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  transform: translateY(-140%);
  padding: 6px 9px;
  border: 1px solid var(--text);
  background: var(--surface);
  font-family: var(--mono);
}
.skip-link:focus { transform: translateY(0); }

.intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--line-dark);
}
.intro h1 {
  margin: 0;
  font: 700 15px/1.3 var(--mono);
  letter-spacing: -0.02em;
}
.intro p { margin: 4px 0 0; color: var(--muted); }
.intro__meta { font: 11px/1.4 var(--mono); color: var(--faint) !important; }
.intro__links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px 14px; font: 12px/1.4 var(--mono); }
.intro__links a { text-decoration: none; color: var(--muted); }
.intro__links a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

.talk-banner {
  position: relative;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px solid #a9c7ee;
  background: var(--banner);
}
.talk-banner__status {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  font: 700 10.5px/1.3 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.talk-banner__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.talk-banner__main { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 20px; }
.talk-banner h2 { margin: 0; font: 700 13px/1.35 var(--mono); }
.talk-banner p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.talk-banner__time { display: grid; justify-items: end; gap: 2px; white-space: nowrap; font: 10.5px/1.4 var(--mono); }
.talk-banner__time time { color: var(--muted); }
.talk-banner__time span { color: var(--accent); font-weight: 700; }
.talk-banner__link {
  padding: 6px 9px;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: var(--surface);
  font: 700 10.5px/1 var(--mono);
  text-decoration: none;
  white-space: nowrap;
}
.talk-banner__link:hover { background: var(--accent); color: #fff; }
.talk-banner.is-live { border-color: #6eb98f; background: var(--signal-soft); }
.talk-banner.is-live .talk-banner__status,
.talk-banner.is-live .talk-banner__time span { color: var(--signal); }
.talk-banner.is-live .talk-banner__dot { background: var(--signal); box-shadow: 0 0 0 4px rgba(24, 121, 78, 0.12); }
.talk-banner.is-live .talk-banner__link { border-color: var(--signal); color: var(--signal); }
.talk-banner.is-live .talk-banner__link:hover { background: var(--signal); color: #fff; }
.talk-banner.is-available { background: var(--surface); border-color: var(--line-dark); }

.featured, .archive, .about, .machine-readable { padding: 24px 0; }
.archive, .about, .machine-readable { border-top: 1px solid var(--line-dark); }
.section-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
  font-family: var(--mono);
}
.section-line h2 { margin: 0; font-size: 12px; line-height: 1.3; font-weight: 700; text-transform: lowercase; }
.section-line h2 span { color: var(--faint); font-weight: 400; }
.section-line > span, .section-line p { margin: 0; color: var(--faint); font-size: 11px; }

.featured-list { border-top: 1px solid var(--line); }
.featured-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.featured-item__index { padding-top: 1px; color: var(--faint); font: 11px/1.4 var(--mono); }
.featured-item__line { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
.featured-item h3 { margin: 0; font: 700 14px/1.35 var(--mono); }
.featured-item h3 a { text-decoration: none; }
.featured-item h3 a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.featured-item time { flex: 0 0 auto; color: var(--faint); font: 11px/1.4 var(--mono); }
.featured-item p { max-width: 760px; margin: 4px 0 0; color: var(--muted); }
.featured-item__meta { display: flex; flex-wrap: wrap; gap: 6px 12px; margin-top: 7px; font: 11px/1.4 var(--mono); }
.featured-item__meta > span { color: var(--faint); }
.featured-item__meta a { color: var(--accent); text-decoration: none; }
.featured-item__meta a:hover { text-decoration: underline; text-underline-offset: 2px; }

.activity { padding: 8px 0 14px; }
.activity__header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 8px; font-family: var(--mono); }
.activity__header h3 { margin: 0; color: var(--muted); font-size: 10px; font-weight: 600; text-transform: lowercase; }
.activity__header span { color: var(--faint); font-size: 10px; }
.activity__scroll { overflow-x: auto; padding: 2px 0 5px; scrollbar-width: thin; }
.activity__map { position: relative; width: max-content; min-width: 100%; padding: 18px 0 0 31px; }
.activity__months { position: absolute; top: 0; left: 31px; display: grid; grid-template-columns: repeat(52, 11px); gap: 3px; height: 14px; color: var(--faint); font: 9px/1 var(--mono); }
.activity__months span { white-space: nowrap; }
.activity__days { position: absolute; top: 18px; left: 0; display: grid; grid-template-rows: repeat(7, 11px); gap: 3px; color: var(--faint); font: 8px/11px var(--mono); }
.activity__days span:nth-child(1) { grid-row: 2; }
.activity__days span:nth-child(2) { grid-row: 4; }
.activity__days span:nth-child(3) { grid-row: 6; }
.activity__weeks { display: flex; gap: 3px; }
.activity__week { display: grid; grid-template-rows: repeat(7, 11px); gap: 3px; }
.activity__cell { width: 11px; height: 11px; padding: 0; border: 1px solid rgba(27, 31, 36, 0.06); border-radius: 2px; background: #ebedf0; cursor: pointer; }
.activity__cell[data-level="1"] { background: #9be9a8; }
.activity__cell[data-level="2"] { background: #40c463; }
.activity__cell[data-level="3"] { background: #30a14e; }
.activity__cell[data-level="4"] { background: #216e39; }
.activity__cell:hover { border-color: var(--text); }
.activity__cell.is-selected { outline: 2px solid var(--accent); outline-offset: 1px; }
.activity__cell:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.activity__legend { display: flex; align-items: center; justify-content: flex-end; gap: 3px; margin-top: 4px; color: var(--faint); font: 9px/1 var(--mono); }
.activity__legend i { width: 10px; height: 10px; border: 1px solid rgba(27, 31, 36, 0.06); border-radius: 2px; background: #ebedf0; }
.activity__legend i[data-level="1"] { background: #9be9a8; }
.activity__legend i[data-level="2"] { background: #40c463; }
.activity__legend i[data-level="3"] { background: #30a14e; }
.activity__legend i[data-level="4"] { background: #216e39; }

.filter-disclosure {
  margin: 0 0 4px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-dark);
}
.filter-disclosure summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 36px;
  padding: 7px 26px 7px 0;
  color: var(--muted);
  font: 11px/1.4 var(--mono);
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.filter-disclosure summary::-webkit-details-marker { display: none; }
.filter-disclosure summary::after {
  content: "+";
  position: absolute;
  right: 1px;
  color: var(--accent);
  font: 700 14px/1 var(--mono);
}
.filter-disclosure[open] summary::after { content: "−"; }
.filter-disclosure summary:hover { color: var(--accent); }
.filter-disclosure summary > span:last-child { color: var(--faint); }
.filter-disclosure[open] summary { border-bottom: 1px solid var(--line); }

.filters {
  display: grid;
  grid-template-columns: minmax(240px, 2fr) repeat(4, minmax(105px, 0.75fr)) auto;
  align-items: end;
  gap: 7px;
  padding: 10px 0;
}
.filter { position: relative; display: grid; gap: 3px; min-width: 0; }
.filter > span { color: var(--faint); font: 10px/1.2 var(--mono); text-transform: lowercase; }
.filter input, .filter select {
  width: 100%;
  height: 31px;
  min-width: 0;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  color: var(--text);
  font: 12px/1 var(--mono);
}
.filter input:hover, .filter select:hover { border-color: var(--line-dark); }
.filter input:focus, .filter select:focus { border-color: var(--accent); outline: 2px solid var(--accent-soft); outline-offset: 0; }
.filter--search input { padding-right: 34px; }
.filter kbd {
  position: absolute;
  right: 7px;
  bottom: 6px;
  min-width: 18px;
  padding: 1px 4px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--faint);
  background: var(--bg);
  font: 10px/1.4 var(--mono);
  text-align: center;
}
.filter-actions { display: flex; gap: 5px; }
.filter-actions button, .empty-state button {
  height: 31px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  color: var(--muted);
  font: 11px/1 var(--mono);
  cursor: pointer;
}
.filter-actions button:hover, .empty-state button:hover { border-color: var(--accent); color: var(--accent); }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.list-head, .project-row {
  display: grid;
  grid-template-columns: 98px minmax(0, 1fr) minmax(150px, 220px);
  gap: 14px;
}
.list-head {
  padding: 8px 0 5px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font: 10px/1.3 var(--mono);
}
.project-row {
  align-items: start;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  transition: background 120ms ease;
}
.project-row:hover { background: var(--surface-hover); box-shadow: 8px 0 0 var(--surface-hover), -8px 0 0 var(--surface-hover); }
.project-row time { padding-top: 2px; color: var(--faint); font: 11px/1.4 var(--mono); white-space: nowrap; }
.project-row h3 { margin: 0; font: 650 13px/1.4 var(--mono); }
.project-row h3 a { text-decoration: none; }
.project-row h3 a span { color: var(--faint); font-weight: 400; }
.project-row h3 a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.project-row p { margin: 2px 0 0; color: var(--muted); font-size: 12px; line-height: 1.42; }
.project-row__tags { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 3px 8px; padding-top: 1px; font: 10.5px/1.5 var(--mono); }
.project-row__tags button,
.project-row__tags a {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--faint);
  cursor: pointer;
  text-decoration: none;
  font: inherit;
}
.project-row__tags button:hover,
.project-row__tags a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.project-row__tags .type-tag { color: var(--muted); }

.empty-state { padding: 28px 0; color: var(--muted); text-align: center; }
.empty-state p { margin: 0 0 10px; }
.load-error { padding: 24px 0; color: #9a2d25; font-family: var(--mono); }

.about p, .machine-readable p { max-width: 720px; margin: 0; color: var(--muted); }
.machine-readable__links { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 8px; font: 11px/1.5 var(--mono); }
.machine-readable__links a { color: var(--accent); text-decoration: none; }
.machine-readable__links a:hover { text-decoration: underline; text-underline-offset: 2px; }

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0 30px;
  border-top: 1px solid var(--line-dark);
  color: var(--faint);
  font: 10.5px/1.4 var(--mono);
}
footer a { text-decoration: none; }
footer a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.noscript { margin: 14px; padding: 10px; border: 1px solid var(--line-dark); background: var(--surface); font-family: var(--mono); }

@media (max-width: 860px) {
  .talk-banner { grid-template-columns: 104px minmax(0, 1fr); }
  .talk-banner__main { grid-template-columns: 1fr; gap: 5px; }
  .talk-banner__time { justify-items: start; }
  .talk-banner__link { grid-column: 2; justify-self: start; }
  .filters { grid-template-columns: minmax(220px, 2fr) repeat(2, minmax(110px, 1fr)); }
  .filter-actions { align-self: end; }
  .list-head, .project-row { grid-template-columns: 86px minmax(0, 1fr); }
  .list-head span:last-child { display: none; }
  .project-row__tags { grid-column: 2; justify-content: flex-start; margin-top: -5px; }
}

@media (max-width: 600px) {
  body { font-size: 12.5px; }
  .intro { display: block; padding-top: 20px; }
  .intro__links { justify-content: flex-start; margin-top: 12px; }
  .talk-banner { display: block; padding: 12px; }
  .talk-banner__main { margin-top: 8px; }
  .talk-banner__time { margin-top: 7px; }
  .talk-banner__link { display: inline-block; margin-top: 10px; }
  .featured, .archive, .about, .machine-readable { padding: 19px 0; }
  .filters { grid-template-columns: 1fr 1fr; }
  .filter--search { grid-column: 1 / -1; }
  .filter-actions { grid-column: 1 / -1; }
  .list-head { display: none; }
  .project-row { grid-template-columns: 1fr; gap: 3px; padding: 9px 0; }
  .project-row time { font-size: 10px; }
  .project-row__tags { grid-column: 1; margin-top: 2px; }
  .featured-item { grid-template-columns: 26px minmax(0, 1fr); }
  .featured-item__line { display: block; }
  .featured-item time { display: block; margin-top: 2px; }
  footer { align-items: flex-start; flex-direction: column; padding-bottom: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Preserved for possible future use; hidden from the current site. */
.activity { display: none !important; }