body { font-family: system-ui, Arial, sans-serif; margin: 0; }
.container { max-width: 900px; margin: 0 auto; padding: 1rem; }
.site-header { border-bottom: 1px solid #ddd; }
.site-title { margin: 0 0 .5rem 0; font-size: 1.2rem; }
.nav a { margin-right: .75rem; text-decoration: none; }
.site-footer { border-top: 1px solid #ddd; margin-top: 2rem; }
label { display: inline-block; margin-right: 1rem; }