:root {
  /* Colors - Light Theme (Ultra Clean, SaaS style) */
  --bg-primary: #FAFAFA;
  --bg-secondary: #FFFFFF;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --accent: #000000;
  --accent-hover: #374151;
  --border-color: #E5E7EB;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.6);
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif; /* Moving away from serif to geometric sans for premium look */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
  
  /* Shadows - Premium Soft UI Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 40px -4px rgba(0, 0, 0, 0.08);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] {
  /* Colors - Dark Theme (OLED Black, Glowing Accents) */
  --bg-primary: #09090B;
  --bg-secondary: #18181B;
  --text-primary: #FAFAFA;
  --text-secondary: #A1A1AA;
  --accent: #FFFFFF;
  --accent-hover: #D4D4D8;
  --border-color: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(9, 9, 11, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  
  /* Deep shadows for dark mode */
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 40px -4px rgba(0, 0, 0, 0.8);
}