:root {
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6b6b70;
  --accent: #0a6cff;
  --card: #f6f7f9;
  --border: #e4e6ea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131316;
    --fg: #ececef;
    --muted: #9a9aa2;
    --accent: #4d9bff;
    --card: #1d1d21;
    --border: #2c2c31;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem;
  max-width: 780px; margin: 0 auto; padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 1.05rem; color: var(--fg); }
.site-header nav a { margin-left: 1rem; color: var(--muted); font-size: .95rem; }

main { max-width: 780px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }

h1 { font-size: 1.9rem; line-height: 1.2; margin: .2rem 0 .4rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
h3 { margin: 0 0 .25rem; }
.lede { font-size: 1.08rem; color: var(--muted); }
.updated { color: var(--muted); font-size: .9rem; margin-top: 0; }
.doc p, .doc li { font-size: 1rem; }
.doc ul { padding-left: 1.2rem; }
.back { display: inline-block; margin-bottom: 1rem; font-size: .95rem; }

.intro { margin-bottom: 1.5rem; }
.app-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.app-card {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .75rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1rem 1.15rem;
}
.app-info h3 { font-size: 1.1rem; }
.app-info p { margin: 0; color: var(--muted); font-size: .95rem; }
.app-links { display: flex; gap: 1rem; flex-shrink: 0; }
.app-links a { font-size: .92rem; font-weight: 600; }

.site-footer {
  max-width: 780px; margin: 0 auto; padding: 1.5rem 1.25rem 2.5rem;
  border-top: 1px solid var(--border); color: var(--muted); font-size: .88rem;
}
.site-footer p { margin: .25rem 0; }