/* General Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f5f5f5;
  color: #333;
}

header {
  background-color: #004a99;
  color: #fff;
  padding: 20px 10px;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 1.8em;
}

/* Navigation */
nav {
  margin-top: 10px;
}

nav a {
  text-decoration: none;
  color: #fff;
  background-color: #0066cc;
  padding: 8px 15px;
  margin: 0 5px;
  border-radius: 4px;
  font-weight: bold;
  display: inline-block;
}

nav a.active {
  background-color: #ffd700;
  color: #333;
}

/* Main Content */
main {
  padding: 20px;
  max-width: 900px;
  margin: auto;
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h2 {
  margin-top: 0;
  text-align: center;
}

/* Forms */
form {
  display: flex;
  flex-direction: column;
}

form input, form button {
  padding: 10px;
  margin: 5px 0;
  font-size: 1em;
}

form button {
  background-color: #0066cc;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

form button:hover {
  background-color: #004a99;
}

/* Footer */
footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 12px 0;
  margin-top: 20px;
  font-size: 0.9em;
}