*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #0066CC;--color-secondary: #00CC99;--color-accent: #FF6B6B;--color-success: #28A745;--color-warning: #FFC107;--color-error: #DC3545;--color-info: #17A2B8;--color-text: #333333;--color-text-light: #666666;--color-border: #CCCCCC;--color-background: #F5F5F5;--color-white: #FFFFFF;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--spacing-xs: 8px;--spacing-sm: 16px;--spacing-md: 24px;--spacing-lg: 32px;--spacing-xl: 48px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, 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