*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #1F2937;--bg-secondary: #374151;--bg-tertiary: #4B5563;--text-primary: #F9FAFB;--text-secondary: #D1D5DB;--accent-blue: #3B82F6;--accent-green: #10B981;--accent-amber: #FBBF24;--accent-red: #EF4444;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.5rem;--font-size-2xl: 2rem;--font-size-3xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--transition-fast: .15s ease;--transition-normal: .25s 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