body{font-family:Arial,sans-serif;background-color:#f5f5f5;color:#333;margin:0;padding:0}.container{max-width:600px;margin:50px auto;padding:2rem;background-color:#fff;border-radius:8px;box-shadow:0 4px 8px rgba(0,0,0,.1)}.title{font-size:1.5rem;margin-bottom:1rem;color:#004080}.form{display:flex;flex-wrap:wrap;gap:1rem}.button,.input,.select{padding:.5rem;border:1px solid #ccc;border-radius:4px;font-size:1rem}.input{flex:1;min-width:200px}.select{min-width:100px}.button{background-color:#004080;color:white;cursor:pointer;transition:background-color .3s}.button:disabled{background-color:#ccc;cursor:not-allowed}.button:hover:not(:disabled){background-color:#003366}.download-link{margin-top:2rem}.download-link a{color:#004080;text-decoration:none}.download-link a:hover{text-decoration:underline}.error-box{background-color:#ffe5e5;color:#b30000;border:1px solid #ff9999;padding:16px;border-radius:8px;margin-top:16px;position:relative;max-width:500px;width:100%;animation:fadeIn .3s ease-in-out}.error-box p{margin:0;font-weight:500}.close-button{position:absolute;top:8px;right:12px;background:none;border:none;color:#b30000;font-size:1rem;cursor:pointer}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}