body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background: #f5f5f5;
}
.logout-message {
  text-align: center;
  padding: 40px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
h2 { margin-bottom: 10px; color: #333; }
p { color: #555; }