:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary: #475569;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --background: #f8fafc;
  --surface: #ffffff;
}

body {
  background-color: var(--background);
}