:root {
  /* Colors */
  --bg-primary: #0b1120;
  --bg-secondary: #111827;
  --bg-card: #1a2235;
  --bg-hover: #1e2d45;
  --border-color: rgba(255,255,255,0.08);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  /* Brand */
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-purple: #a855f7;
  --color-teal: #14b8a6;
  --color-info: #3b82f6;

  /* Sidebar */
  --sidebar-width: 252px;
  --sidebar-collapsed-width: 64px;
  --topbar-height: 60px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 15px;
  --font-size-lg: 18px;
  --font-size-xl: 22px;
  --font-size-2xl: 28px;

  /* Spacing */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

/* Light theme */
[data-theme="light"] {
  --bg-primary: #f3f4f6;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f9fafb;
  --border-color: rgba(0,0,0,0.08);
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
}