body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f8f9fa;color:#212529}.container{max-width:800px;margin:0 auto;padding:2rem}header{text-align:center;margin-bottom:2rem;border-bottom:1px solid #dee2e6;padding-bottom:1.5rem}h1{color:#007bff;margin-bottom:.5rem}.prompt-form{display:flex;flex-direction:column}textarea{width:100%;padding:10px;box-sizing:border-box;border-radius:8px;border:1px solid #ced4da;font-size:1rem;margin-bottom:1rem;font-family:inherit;resize:vertical}textarea:focus{border-color:#80bdff;outline:0;box-shadow:0 0 0 .2rem #007bff40}button{padding:12px 20px;font-size:1rem;font-weight:700;cursor:pointer;border:none;border-radius:8px;background-color:#007bff;color:#fff;transition:background-color .15s ease-in-out;align-self:flex-start}button:hover:not(:disabled){background-color:#0056b3}button:disabled{background-color:#e9ecef;color:#6c757d;cursor:not-allowed}.error-message{color:#721c24;background-color:#f8d7da;border:1px solid #f5c6cb;padding:1rem;border-radius:8px;margin-top:1.5rem}.response-container{margin-top:2rem;white-space:pre-wrap;border:1px solid #dee2e6;padding:1.5rem;border-radius:8px;background-color:#fff;box-shadow:0 2px 4px #0000000d}.response-container h2{margin-top:0;color:#007bff}