body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  color: #1f2430;
  background: #fafafa;
}

header {
  border-bottom: 1px solid #e4e4e7;
  padding: 18px 24px;
}

header a {
  font-weight: 600;
  color: #1f2430;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 18px;
  margin-top: 6px;
}

nav a {
  color: #52525b;
  text-decoration: none;
  font-size: 14px;
}

nav a:hover {
  text-decoration: underline;
}

main {
  max-width: 640px;
  margin: 48px auto;
  padding: 0 24px;
  line-height: 1.6;
}

h1 {
  font-size: 22px;
}

footer {
  max-width: 640px;
  margin: 48px auto 24px;
  padding: 16px 24px 0;
  border-top: 1px solid #e4e4e7;
  color: #a1a1aa;
  font-size: 13px;
}

.status-ok {
  color: #16a34a;
  font-weight: 600;
}

code {
  background: #f1f1f3;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}