:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}main{margin:auto;display:flex;flex-direction:column;align-items:center;min-height:100vh;max-width:480px}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:1.6em;line-height:1.1;margin-top:3.2rem}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}#filePickerContainer,#xContainer{width:100%;display:grid;grid-template-columns:1fr 1fr;align-items:center;justify-content:center;margin:2rem 0}#errors{display:none;flex-direction:column;color:red;font-weight:700}#result{font-weight:700;font-size:1.1em;margin:1rem 0}input{width:100%;margin:8px 0;display:inline-block;border:1px solid #ccc;box-shadow:inset 0 1px 3px #ddd;border-radius:4px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding:12px 20px}