:root {
  --bg: #fbfaf7;
  --text: #1f2328;
  --muted: #5f6670;
  --accent: #2f6f5e;
  --border: #e3e0d8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --text: #e8e6e1;
    --muted: #a0a6ad;
    --accent: #7cc4ad;
    --border: #2c3036;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header, main, footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  align-items: baseline;
  padding-top: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

header .brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
}

nav a { margin-left: 1rem; }
nav a:first-child { margin-left: 0; }

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

main { padding-top: 1.5rem; padding-bottom: 2rem; }

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0.5rem 0 1rem; }
h2 { font-size: 1.25rem; margin-top: 2rem; }

.muted { color: var(--muted); }

.note {
  border-left: 3px solid var(--accent);
  padding: 0.25rem 0 0.25rem 1rem;
  color: var(--muted);
}

.apps { list-style: none; padding: 0; }
.apps li {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
.apps h3 { margin: 0 0 0.25rem; }
.apps p { margin: 0.25rem 0; }

footer {
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}