/* Design System Variables */
:root {
  /* Colors - Primary */
  --color-primary: #1a73e8;
  --color-primary-hover: #1557b0;
  --color-primary-light: #e8f0fe;
  --color-primary-dark: #0d47a1;
  
  /* Colors - Text */
  --color-text: #202124;
  --color-text-secondary: #5f6368;
  --color-text-muted: #9aa0a6;
  --color-text-light: #6b7280;
  
  /* Colors - Background */
  --color-background: #f8f9fa;
  --color-surface: #ffffff;
  --color-surface-hover: #f1f3f4;
  --color-surface-selected: #e8f0fe;
  
  /* Colors - Border */
  --color-border: #e8eaed;
  --color-border-light: #dadce0;
  --color-border-dark: #3c4043;
  
  /* Colors - Status */
  --color-error: #d93025;
  --color-error-light: #fecaca;
  --color-error-bg: #fef2f2;
  --color-success: #137333;
  --color-success-light: #5bb974;
  --color-warning: #fcc934;
  --color-warning-dark: #ff8c00;
  
  /* Colors - Chart Palette */
  --chart-color-salary: var(--color-primary);
  --chart-color-bonus: var(--color-success-light);
  --chart-color-equity: var(--color-warning);
  --chart-color-custom: var(--color-warning-dark);
  
  /* Chart Color Base for Shade Generation */
  --chart-base-blue-r: 26;
  --chart-base-blue-g: 115;
  --chart-base-blue-b: 232;
  
  /* Spacing Scale */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 48px;
  --spacing-5xl: 64px;
  
  /* Typography */
  --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-size-4xl: 36px;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Layout */
  --sidebar-width: 240px;
  --sidebar-width-mobile: 280px;
  --topbar-height: 64px;
  --right-sidebar-width: 320px;
  --right-sidebar-width-tablet: 280px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
  
  /* Z-index Scale */
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-modal: 30;
  --z-popover: 40;
  --z-tooltip: 50;
}