:root{--primary: #0079A7;--primary-hover: #2E266D;--primary-light: #E3F2FD;--success: #4CAF50;--success-light: #E8F5E9;--warning: #FFC107;--warning-light: #FFF9E6;--danger: #F44336;--danger-light: #FFEBEE;--background: #F5F7FA;--surface: #FFFFFF;--surface-hover: #F8F9FA;--text-primary: #1A1A1A;--text-secondary: #6B7280;--text-disabled: #9CA3AF;--border: #E5E7EB;--shadow: rgba(0, 0, 0, .1);--shadow-lg: rgba(0, 0, 0, .15);--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}[data-theme=dark]{--primary: #0079A7;--primary-hover: #2E266D;--primary-light: #1E3A5F;--success: #66BB6A;--success-light: #1B3A1E;--warning: #FFD54F;--warning-light: #3D3416;--danger: #EF5350;--danger-light: #3D1A19;--background: #0F1419;--surface: #1A1F2E;--surface-hover: #242938;--text-primary: #FFFFFF;--text-secondary: #9CA3AF;--text-disabled: #6B7280;--border: #2D3748;--shadow: rgba(0, 0, 0, .3);--shadow-lg: rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--background);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}