* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0f1419;
  color: #e7ecf3;
  line-height: 1.6;
  min-height: 100vh;
}
header {
  padding: 2rem;
  border-bottom: 1px solid #1e2a3a;
  background: #151b24;
}
h1 { font-size: 1.5rem; font-weight: 600; }
.status { margin-top: 0.5rem; color: #8b9cb3; }
.ok { color: #3dd68c; font-weight: 600; }
main { padding: 2rem; max-width: 720px; }
h2 { font-size: 1.1rem; margin-bottom: 0.75rem; color: #c5d0de; }
p, ul { color: #8b9cb3; }
ul { margin-top: 0.75rem; padding-left: 1.25rem; }
code {
  background: #1e2a3a;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
}