:root {
  --bg: #fbfaf8;
  --fg: #1d1d1f;
  --muted: #6b6b70;
  --accent: #2f6f4f;
  --line: #e4e2dd;
  --card: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181a;
    --fg: #ececee;
    --muted: #9b9ba1;
    --accent: #7fc4a0;
    --line: #2c2d31;
    --card: #1f2023;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 16px;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  font-size: 17px;
}

header, main, footer {
  max-width: 44rem;
  margin: 0 auto;
}

header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
}

h1 {
  margin: 0;
  font-size: 2.6rem;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 1.15rem;
}

h2 {
  font-size: 1.3rem;
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.01em;
}

a {
  color: var(--accent);
  text-underline-offset: 2px;
}

.note {
  color: var(--muted);
  font-size: 0.95rem;
}

ul.meetings, ul.projects, ul.repos {
  list-style: none;
  padding: 0;
  margin: 0;
}

ul.meetings li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.date { font-weight: 600; }
.place { color: var(--muted); }

ul.projects li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin-bottom: 0.75rem;
}

ul.projects li p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.by {
  color: var(--muted);
  font-size: 0.9rem;
  margin-left: 0.5rem;
}

ul.repos li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.6rem;
}

ul.repos .name { font-weight: 600; }

ul.repos .desc {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 0.2rem;
}

.status {
  color: var(--muted);
  font-style: italic;
}

footer {
  margin-top: 3.5rem;
  padding: 1.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 480px) {
  h1 { font-size: 2.1rem; }
  body { font-size: 16px; }
}