body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  line-height: 1.5;
}

header {
  background: #005f9e;
  color: white;
  padding: 1rem;
}

header h1 {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
}

nav a {
  color: white;
  text-decoration: none;
  margin-right: 1rem;
  font-weight: 500;
}

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

main {
  padding: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

footer {
  background: #f2f2f2;
  padding: 1rem;
  font-size: 0.9rem;
  text-align: center;
  margin-top: 2rem;
}

table {
  border-collapse: collapse;
  width: 100%;
  max-width: 500px;
}

th, td {
  border: 1px solid #ccc;
  padding: 0.5rem;
  text-align: left;
}