body { font-family: Arial, sans-serif; margin: 0; padding: 20px; background:#f4f4f4; color:#333; }
h1 { text-align:center; margin-bottom:30px; }
section { background:#fff; padding:20px; margin-bottom:20px; border-radius:8px; box-shadow:0 4px 8px rgba(0,0,0,0.1); }
input[type="file"], input[type="password"] { display:block; margin-bottom:10px; padding:6px; width:100%; }
button { padding:8px 16px; background:#4682b4; color:#fff; border:none; border-radius:4px; cursor:pointer; }
button:hover { background:#35638f; }
#progressContainer { width:100%; background:#ddd; height:20px; border-radius:10px; margin-top:10px; display:none; }
#progressBar { width:0%; height:100%; background:#4682b4; border-radius:10px; transition: width 0.3s; }
#output a { display:block; margin-top:5px; }
.download-btn {
  display:inline-block;
  margin:5px 0;
  padding:8px 12px;
  background:#32cd32;
  color:#fff;
  border-radius:5px;
  text-decoration:none;
  font-weight:bold;
}
.download-btn:hover {
  background:#28a428;
}