body.admin {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background: #f5f5f5;
}

.admin-header {
  background: #333;
  color: white;
  padding: 10px 20px;
  margin: -20px -20px 20px;
}

.admin-header h1 {
  margin: 0;
  font-size: 24px;
  margin-bottom: 10px;
}

.admin-home-link {
  color: white;
  text-decoration: none;
}

.admin-home-link:hover {
  color: #ccc;
}

.admin-nav {
  display: flex;
  gap: 20px;
}

.nav-link {
  color: #ccc;
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 3px;
  transition: background 0.2s;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  background: #007cba;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  border: none;
  cursor: pointer;
}

.btn-danger {
  background: #dc3545;
}

.btn:hover {
  opacity: 0.9;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background: #f8f9fa;
  font-weight: bold;
}

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

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

input, select {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 4px;
  margin-bottom: 20px;
}

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

.alert-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-danger {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}