:root {
  --bg: #0e0f12;
  --surface: #17191e;
  --border: #262931;
  --text: #e8e9ec;
  --muted: #9a9eaa;
  --accent: #ff5fa2;
  --link: #8fb8ff;
  color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

header.site {
  border-bottom: 1px solid var(--border);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand span { color: var(--accent); }

nav.app a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 16px;
  font-size: 15px;
}

nav.app a:first-child { margin-left: 0; }
nav.app a[aria-current="page"], nav.app a:hover { color: var(--text); }

main { padding: 36px 0 56px; }

h1 {
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

h2 {
  font-size: 21px;
  line-height: 1.3;
  margin: 40px 0 10px;
}

h3 {
  font-size: 17px;
  margin: 24px 0 6px;
}

p, ul, ol { margin: 0 0 14px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }

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

.meta { color: var(--muted); font-size: 15px; margin-bottom: 28px; }

.lead { font-size: 19px; color: var(--muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 20px 0;
}

.card p:last-child { margin-bottom: 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.cards a.card {
  display: block;
  margin: 0;
  color: var(--text);
  text-decoration: none;
}

.cards a.card:hover { border-color: var(--accent); }
.cards a.card strong { display: block; margin-bottom: 4px; }
.cards a.card span { color: var(--muted); font-size: 15px; }

details {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

details summary {
  cursor: pointer;
  font-weight: 600;
  list-style-position: outside;
}

details[open] summary { margin-bottom: 10px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 12px 0 18px;
  display: block;
  overflow-x: auto;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--border);
}

th { color: var(--muted); font-weight: 600; }

footer.site {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  padding: 24px 0 40px;
}

footer.site a { color: var(--muted); }

@media (max-width: 480px) {
  body { font-size: 16px; }
  h1 { font-size: 27px; }
  nav.app a { margin-left: 12px; }
}