/* Adobe Document Viewer Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
}

header {
  background: #003087;
  color: white;
  padding: 10px 20px;
}

nav ul {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

nav ul li a {
  color: white;
  text-decoration: none;
  padding: 10px;
}

main {
  max-width: 800px;
  margin: 20px auto;
  padding: 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#preloader {
  text-align: center;
  padding: 50px;
  background: #fff;
  margin: 20px auto;
  max-width: 800px;
  border-radius: 8px;
  transition: opacity 0.3s ease;
}

#progress-bar {
  height: 20px;
  background: #003087;
  width: 0%;
  transition: width 0.5s ease;
}

#status-message {
  margin-top: 10px;
  font-size: 1.1em;
}

#browser-warning {
  text-align: center;
  padding: 20px;
  background: #fff;
  margin: 20px auto;
  max-width: 800px;
  border-radius: 8px;
  display: none;
  flex-direction: column;
  align-items: center;
  transition: opacity 0.3s ease;
}

#browser-warning button {
  background: #003087;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1.1em;
  margin: 10px 0;
}

#browser-warning button:hover {
  background: #0056b3;
}

#download-message {
  text-align: center;
  padding: 20px;
  background: #fff;
  margin: 20px auto;
  max-width: 800px;
  border-radius: 8px;
  display: none;
  flex-direction: column;
  align-items: center;
  transition: opacity 0.3s ease;
}

#download-message h2 {
  color: #003087;
  margin-bottom: 10px;
}

#download-message p {
  font-size: 1.1em;
}

#username-trap {
  opacity: 0;
  position: absolute;
  left: -9999px;
}

@media (max-width: 600px) {
  main, #preloader, #browser-warning, #download-message {
    margin: 10px;
    padding: 15px;
  }
}