:root {
  /* Colors */
  --color-primary-50: #EFF6FF;
  --color-primary-100: #DBEAFE;
  --color-primary-200: #BFDBFE;
  --color-primary-300: #93C5FD;
  --color-primary-400: #60A5FA;
  --color-primary-500: #3B82F6;
  --color-primary-600: #2563EB;
  --color-primary-700: #1D4ED8;
  --color-primary-800: #1E40AF;
  --color-primary-900: #1E3A8A;
  
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-400: #94A3B8;
  --color-gray-500: #64748B;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1E293B;
  --color-gray-900: #0F172A;

  --color-success-light: #DCFCE7;
  --color-success-main: #22C55E;
  --color-success-dark: #15803D;

  --color-warning-light: #FEF3C7;
  --color-warning-main: #F59E0B;
  --color-warning-dark: #B45309;

  --color-error-light: #FEE2E2;
  --color-error-main: #EF4444;
  --color-error-dark: #B91C1C;

  --color-info-light: #DBEAFE;
  --color-info-main: #3B82F6;
  --color-info-dark: #1D4ED8;
  
  /* Agent Colors */
  --color-agent-corporate: #7C3AED;
  --color-agent-gst: #EA580C;
  --color-agent-contract: #0891B2;
  --color-agent-audit: #4F46E5;
  --color-agent-dpdp: #059669;
  --color-agent-litigation: #E11D48;
  --color-agent-cybersecurity: #0284C7;
  --color-agent-fema: #CA8A04;
  --color-agent-valuation: #9333EA;
  --color-agent-compliance: #0D9488;

  /* Theme variables (Light) */
  --theme-bg: var(--color-gray-50);
  --theme-surface: #FFFFFF;
  --theme-surface-elevated: #FFFFFF;
  --theme-border: var(--color-gray-200);
  --theme-text-primary: var(--color-gray-900);
  --theme-text-secondary: var(--color-gray-500);

  /* Typography */
  --font-sans: 'IBM Plex Sans', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --text-xs: 12px;
  --text-sm: 14px;
  --text-md: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 30px;
  --text-4xl: 36px;
  --text-5xl: 48px;

  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --leading-tight: 1.2;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* Spacing */
  --spacing-0: 0px;
  --spacing-2: 2px;
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-96: 96px;

  /* Radius */
  --radius-none: 0px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1100;
  --z-modal: 1300;
  --z-popover: 1400;
  --z-toast: 1500;
  --z-tooltip: 1600;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

[data-theme='dark'] {
  --theme-bg: #020617;
  --theme-surface: #1E293B;
  --theme-surface-elevated: #334155;
  --theme-border: #475569;
  --theme-text-primary: #F8FAFC;
  --theme-text-secondary: #CBD5E1;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}