/* Common styles for all pages */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f9;
  color: #333;
}

header {
  background: #333;
  color: white;
  padding: 15px;
  text-align: center;
}

nav {
  background: #444;
  padding: 10px;
  text-align: center;
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
}

nav a:hover {
  color: #ffd700;
}

main {
  padding: 20px;
  text-align: center;
  min-height: 70vh;
}

footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 15px;
  margin-top: 30px;
}