:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #dbeafe;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #16a34a;
  --warning: #f59e0b;
  --info: #0ea5e9;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --sidebar-width: 250px;
  --sidebar-collapsed: 64px;
  --header-height: 60px;
  --transition: 0.2s ease;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}
[data-theme="dark"] {
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: #1e3a5f;
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --bg: #0f172a;
  --bg-card: #1e293b;
  --border: #334155;
  --border-light: #1e293b;
}