body { font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; margin: 0; }
.nav { display: flex; gap: 1rem; align-items: center; padding: .75rem 1rem; border-bottom: 1px solid #e5e7eb; }
.spacer { flex: 1; }
.container { max-width: 960px; margin: 2rem auto; padding: 0 1rem; }
a { text-decoration: none; }