:root{color:#f4f4f4;font-synthesis:none;text-rendering:optimizelegibility;background:#111;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}a{color:inherit}.app-shell{min-height:100vh;padding:32px}.app-nav{gap:16px;margin-top:24px;display:flex}