:root{--color-primary: #2C5282;--color-primary-hover: #1A365D;--color-primary-light: #3182CE;--color-secondary: #4A5568;--color-success: #38A169;--color-success-hover: #2F855A;--color-warning: #D69E2E;--color-warning-hover: #B7791F;--color-error: #E53E3E;--color-error-hover: #C53030;--color-info: #3182CE;--color-info-hover: #2B6CB0;--color-background: #F7FAFC;--color-surface: #FFFFFF;--color-surface-variant: #EDF2F7;--color-sidebar: #1A365D;--color-sidebar-hover: #2C5282;--color-text-primary: #2D3748;--color-text-secondary: #4A5568;--color-text-tertiary: #718096;--color-text-muted: #A0AEC0;--color-text-inverse: #FFFFFF;--gray-50: #F7FAFC;--gray-100: #EDF2F7;--gray-200: #E2E8F0;--gray-300: #CBD5E0;--gray-400: #A0AEC0;--gray-500: #718096;--gray-600: #4A5568;--gray-700: #2D3748;--gray-800: #1A202C;--gray-900: #171923;--color-border: #E2E8F0;--color-border-strong: #CBD5E0;--color-divider: #EDF2F7;--color-focus: #3182CE;--color-focus-ring: rgba(49, 130, 206, .3);--spacing-0: 0;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-mono: "Monaco", "Consolas", monospace;--font-size-xs: 11px;--font-size-sm: 12px;--font-size-md: 14px;--font-size-lg: 16px;--font-size-xl: 18px;--font-size-2xl: 20px;--font-size-3xl: 24px;--font-size-4xl: 28px;--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: 1.625;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--border-width: 1px;--border-width-2: 2px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1), 0 2px 4px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1), 0 4px 6px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .15);--z-dropdown: 100;--z-sticky: 200;--z-fixed: 300;--z-modal-backdrop: 400;--z-modal: 500;--z-popover: 600;--z-tooltip: 700;--z-toast: 800;--z-sidebar: 1000;--transition-fast: .15s ease-in-out;--transition-normal: .2s ease-in-out;--transition-slow: .3s ease-in-out;--header-height: 64px;--sidebar-width: 260px;--sidebar-collapsed: 70px}