body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f4f7f6;justify-content:center;align-items:center;min-height:100vh;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;display:flex}#root{text-align:center;max-width:600px;margin:0 auto;padding:2rem}.container{flex-direction:column;gap:20px;display:flex}.input-group{flex-direction:column;gap:10px;display:flex}textarea{resize:vertical;border:1px solid #ccc;border-radius:8px;width:100%;padding:10px;font-family:inherit;font-size:1rem}button{color:#fff;cursor:pointer;background-color:#007bff;border:none;border-radius:8px;padding:12px 20px;font-size:1rem;transition:background-color .2s}button:hover{background-color:#0056b3}button:disabled{cursor:not-allowed;background-color:#ccc}.error{color:#dc3545;font-weight:700}.response-box{text-align:left;background-color:#f8f9fa;border:1px solid #dee2e6;border-radius:8px;margin-top:20px;padding:20px}.response-box h3{margin-top:0}