body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  font-family: "Arial", sans-serif;
}

.container {
  max-width: 900px;
}

h1 {
  color: white;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.text-muted {
  color: rgba(255, 255, 255, 0.8) !important;
}

.card {
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: none;
}

.btn-primary {
  background-color: #667eea;
  border: none;
  padding: 10px;
  font-weight: bold;
}

.btn-primary:hover {
  background-color: #5568d3;
}

.alert-success {
  background-color: #d4edda;
  border: none;
  border-radius: 10px;
}

.table {
  margin-bottom: 0;
}

.table-dark {
  background-color: #667eea;
}

.badge {
  padding: 5px 10px;
  font-size: 0.85em;
}