:root {
  --brand: #5b4fe9;
  --brand-soft: #eceafd;
  --bg: #fafafe;
  --surface: #ffffff;
  --text: #1a1a2e;
  --muted: #666680;
  --border: #e6e6f0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #9d95ff;
    --brand-soft: #211f45;
    --bg: #0a0a1f;
    --surface: #13132b;
    --text: #f2f2fa;
    --muted: #9a9ab5;
    --border: #25253f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 32px 20px 80px; }

header.site { border-bottom: 1px solid var(--border); background: var(--surface); }
header.site .wrap {
  padding: 20px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 20px; letter-spacing: -0.02em;
  color: var(--text); text-decoration: none;
}
.logo .mark { width: 28px; height: 28px; border-radius: 8px; background: var(--brand); display: inline-block; }

nav a { color: var(--muted); text-decoration: none; font-size: 15px; margin-left: 18px; }
nav a:hover { color: var(--brand); }

h1 { font-size: 32px; line-height: 1.25; letter-spacing: -0.02em; margin: 8px 0 4px; }
h2 { font-size: 20px; margin: 36px 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 24px 0 6px; }
p, li { font-size: 16px; }
.lead { color: var(--muted); font-size: 17px; }

.updated {
  display: inline-block; font-size: 14px; color: var(--muted);
  background: var(--brand-soft); border-radius: 999px; padding: 4px 12px; margin-bottom: 20px;
}

table {
  width: 100%; border-collapse: collapse; margin: 12px 0 4px; font-size: 15px;
  display: block; overflow-x: auto;
}
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }

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

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; margin: 20px 0; }
.card.warn { border-left: 4px solid var(--brand); }

hr { border: 0; border-top: 1px solid var(--border); margin: 48px 0; }

footer.site {
  border-top: 1px solid var(--border); color: var(--muted);
  font-size: 14px; padding: 24px 20px 40px; text-align: center;
}
footer.site a { color: var(--muted); }

.cta {
  display: inline-block; background: var(--brand); color: #fff; text-decoration: none;
  font-weight: 700; padding: 12px 22px; border-radius: 12px; margin-top: 8px;
}
@media (prefers-color-scheme: dark) { .cta { color: #0a0a1f; } }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 24px 0; }