:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

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

.top-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #3f3f46;
}

.top-nav .links {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.top-nav a {
  text-decoration: none;
}

.brand {
  font-weight: 700;
}

.page-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card {
  padding: 1rem;
  border: 1px solid #3f3f46;
  border-radius: 0.5rem;
}

.muted {
  opacity: 0.75;
}