:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}.app{display:flex;flex-direction:column;width:100vw}.container{display:flex;align-items:center}