body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}header{border-bottom:1px solid #e5e7eb;padding:1rem}nav{font-size:1.5rem;font-weight:700}main{min-height:calc(100vh - 200px);padding:2rem}footer{text-align:center;color:#6b7280;border-top:1px solid #e5e7eb;padding:1rem}