:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --rule: #e3e3e3;
  --accent: #0b5cd5;
  --card: #f7f7f8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131315;
    --fg: #eceaea;
    --muted: #a3a1a1;
    --rule: #2c2c30;
    --accent: #7fb0ff;
    --card: #1c1c20;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 3rem 1.25rem 6rem;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main {
  max-width: 42rem;
  margin: 0 auto;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 .35rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.2rem;
  margin: 2.5rem 0 .6rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1rem;
  margin: 1.5rem 0 .4rem;
}

p, li { margin: 0 0 .9rem; }

ul { padding-left: 1.25rem; }

a { color: var(--accent); }

.meta {
  color: var(--muted);
  font-size: .9rem;
  margin-bottom: 2rem;
}

.summary {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.1rem 1.25rem .3rem;
  margin: 2rem 0;
}

.summary h2 { margin-top: 0; font-size: 1rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 3rem 0 1.5rem;
}

footer {
  color: var(--muted);
  font-size: .9rem;
}

.applist {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
}

.applist li {
  border: 1px solid var(--rule);
  border-radius: 10px;
  margin-bottom: .75rem;
}

.applist a {
  display: block;
  padding: 1rem 1.25rem;
  text-decoration: none;
  color: inherit;
}

.applist a:hover { background: var(--card); }

.applist strong { display: block; color: var(--accent); }

.applist span { color: var(--muted); font-size: .92rem; }