:root {
  color-scheme: dark;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  background: #111827;
  color: #e5e7eb;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 3rem 1.5rem;
  box-sizing: border-box;
  background: linear-gradient(135deg, #111827 0%, #172033 100%);
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem;
  background: #1f2937;
  border: 1px solid #334155;
  border-radius: 0.75rem;
  box-shadow: 0 1.5rem 3rem rgb(0 0 0 / 20%);
}

h1 {
  margin: 0;
  color: #f8fafc;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  line-height: 1.2;
}

.intro {
  margin: 0.75rem 0 2rem;
  color: #b6c2d2;
}

.versions {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.versions li {
  margin: 0;
}

.versions a {
  display: block;
  padding: 0.875rem 1rem;
  color: #dbeafe;
  font-weight: 600;
  text-decoration: none;
  background: #26364d;
  border: 1px solid #415a77;
  border-radius: 0.5rem;
  transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.versions a:hover {
  background: #2f4665;
  border-color: #7aa2d8;
  transform: translateY(-1px);
}

.versions a:focus-visible {
  outline: 3px solid #93c5fd;
  outline-offset: 3px;
  background: #2f4665;
}

.empty {
  padding: 0.875rem 1rem;
  color: #cbd5e1;
  background: #26364d;
  border: 1px dashed #52657d;
  border-radius: 0.5rem;
}

@media (max-width: 36rem) {
  body {
    padding: 1rem;
  }

  main {
    padding: 1.5rem;
    border-radius: 0.5rem;
  }
}