body {
  font-family: Georgia, "Times New Roman", serif;
  margin: 0;
  padding: 2rem;
  background: linear-gradient(160deg, #0f1c24 0%, #1a3344 55%, #243b55 100%);
  color: #e8eef2;
  min-height: 100vh;
}
.brand {
  font-size: 1.75rem;
  letter-spacing: 0.04em;
  margin: 0 0 0.5rem;
  color: #7fd4c5;
}
h1 { font-size: 1.25rem; font-weight: normal; margin: 0 0 1rem; }
a, button { color: #9ad4ff; }
button {
  background: transparent;
  border: 1px solid #5a7a8a;
  padding: 0.4rem 0.8rem;
  margin-right: 0.4rem;
  cursor: pointer;
}
pre {
  background: rgba(0, 0, 0, 0.35);
  padding: 1rem;
  overflow: auto;
}