:root{--primary-color: #4F46E5;--primary-light: #818CF8;--primary-dark: #3730A3;--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--sidebar-gradient: linear-gradient(180deg, #1e3a5f 0%, #0f1c2e 100%);--success-color: #10B981;--success-light: #D1FAE5;--warning-color: #F59E0B;--warning-light: #FEF3C7;--danger-color: #EF4444;--danger-light: #FEE2E2;--info-color: #3B82F6;--info-light: #DBEAFE;--text-primary: #1F2937;--text-secondary: #6B7280;--text-muted: #9CA3AF;--border-color: #E5E7EB;--bg-primary: #F9FAFB;--bg-secondary: #FFFFFF;--bg-hover: #F3F4F6;--card-blue: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);--card-orange: linear-gradient(135deg, #FFF7ED 0%, #FFEDD5 100%);--card-green: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);--card-purple: linear-gradient(135deg, #FAF5FF 0%, #F3E8FF 100%);--card-cyan: linear-gradient(135deg, #ECFEFF 0%, #CFFAFE 100%);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 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