:root {
  --bg:#f0f2f5;
  --sidebar-bg:#12151b;
  --link-hover:#282c34;
  --panel:#ffffff;
  --text:#333;
  --code-bg:#282c34;
  --primary:#1a73e8;
  --secondary:#6C757D;
  --info:#2196F3;
  --success:#4CAF50;
  --warning:#FF9800;
  --error:#F44336;
}