.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-nav {
  display: flex;
  gap: 1.5rem;
}

.header-nav a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.header-nav a:hover {
  color: #007bff;
}

.header-actions button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}

.login-btn {
  background-color: #007bff;
  color: white;
}

.logout-btn {
  background-color: #f8f9fa;
  border: 1px solid #ccc;
  color: #333;
}