body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1200px;
  padding: 20px;
}

.alert {
  padding: 10px 15px;
  margin-bottom: 20px;
  border-radius: 4px;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
}

.alert-danger {
  background-color: #f8d7da;
  color: #721c24;
}

.alert-warning {
  background-color: #fff3cd;
  color: #856404;
}

.alert-info {
  background-color: #d1ecf1;
  color: #0c5460;
}

.login-container,
.register-container,
.dashboard-container,
.unauthorized-container {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

h2 {
  margin-top: 0;
  color: #333;
  text-align: center;
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
}

.btn {
  width: 100%;
  padding: 10px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

.btn:hover {
  background-color: #0056b3;
}

.btn-logout {
  background-color: #dc3545;
  margin-top: 20px;
}

.btn-logout:hover {
  background-color: #c82333;
}

.user-info {
  margin: 20px 0;
  padding: 15px;
  background-color: #f8f9fa;
  border-radius: 4px;
}

.admin-links {
  margin: 20px 0;
}

a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}