.app{max-width:600px;margin:auto;padding:2rem;text-align:center;font-family:sans-serif}.logo{width:100px;margin-bottom:1rem}input,textarea{width:100%;margin:.5rem 0;padding:.75rem;border-radius:8px;border:1px solid #ccc;font-size:1rem}button{margin-top:1rem;padding:.75rem 1.5rem;font-size:1rem;background-color:#28a745;border:none;border-radius:8px;color:#fff;cursor:pointer}button:disabled{background-color:#999}.result-box{margin-top:2rem;padding:1rem;background:#f0f0f0;border-radius:10px;text-align:left}.result-box button,.result-box a{margin-top:1rem;margin-right:1rem;padding:.5rem 1rem;font-size:.9rem;text-decoration:none;border-radius:6px;background:#007bff;color:#fff;border:none}