:root {
  --bg: #fbfbfa; --fg: #1a1a18; --muted: #6b6b66;
  --card: #ffffff; --line: #e6e5e1; --accent: #2b6cb0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14140f; --fg: #eceae3; --muted: #9a978d;
    --card: #1d1d17; --line: #2e2e26; --accent: #7fb3e8;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.55 ui-sans-serif, -apple-system, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 46rem; margin: 0 auto; padding: 4rem 1.5rem 6rem; }
header {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; margin-bottom: 2.5rem;
}
h1 { margin: 0; font-size: 1.6rem; letter-spacing: -0.02em; }
.session { color: var(--muted); font-size: .875rem; text-decoration: none; }
.session:hover { color: var(--accent); }
ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
li a {
  display: grid; gap: .3rem; padding: 1.1rem 1.25rem; text-decoration: none;
  color: inherit; background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; transition: border-color .15s, transform .15s;
}
li a:hover { border-color: var(--accent); transform: translateY(-1px); }
.title { font-weight: 600; letter-spacing: -0.01em; }
.blurb { color: var(--muted); font-size: .9375rem; }
.meta {
  display: flex; align-items: center; gap: .6rem;
  color: var(--muted); font-size: .8125rem; margin-top: .15rem;
}
.tag {
  border: 1px solid var(--line); border-radius: 999px;
  padding: .05rem .5rem; font-size: .6875rem; text-transform: uppercase;
  letter-spacing: .05em;
}
.empty { color: var(--muted); }