body {
  font-family: Arial, sans-serif;
  background: #f4f7fb;
  margin: 0;
  color: #222;
  text-align: center;
}

.header {
  background: #0a4595;
  color: white;
  padding: 15px;
}

.header nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
}

.header nav a.active {
  font-weight: bold;
  text-decoration: underline;
}

.container {
  max-width: 600px;
  margin: 30px auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

input, select, button {
  padding: 10px;
  margin: 5px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

button {
  background: #0a4595;
  color: white;
  cursor: pointer;
  border: none;
}

button:hover {
  background: #063070;
}

footer {
  margin-top: 30px;
  font-size: 0.9em;
  color: #666;
}