:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.6}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}body{margin:0;padding:2rem 1rem}.container{max-width:640px;margin:0 auto}h1{font-size:1.5rem}.lead{color:#666;margin-bottom:2rem}form{flex-direction:column;gap:.5rem;display:flex}label{margin-top:1rem;font-weight:700}textarea{resize:vertical;padding:.5rem;font-family:inherit;font-size:1rem}button{cursor:pointer;margin-top:1.5rem;padding:.75rem 1rem;font-size:1rem}button:disabled{cursor:not-allowed;opacity:.6}.result{margin-top:2rem}.revised-text-wrapper{position:relative}#revised-text{white-space:pre-wrap;border:1px solid #ccc;border-radius:4px;padding:1rem}#copy-button{margin-top:.5rem}.error{color:#c0392b;margin-top:1rem}