:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}.app{min-height:100vh;background:#fff;color:#000;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}h1{font-size:24px;margin-bottom:20px}.rates{display:flex;flex-direction:column;gap:12px}.rate{display:flex;justify-content:space-between;padding:12px;background:#f5f5f5;border-radius:8px}.pair{font-weight:500}.value{color:#666}