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Showing posts with the label CVA

Tailwind CSS v4 Architecture: Managing Complex Variants with CVA and Slots

  The "Utility Soup" Problem Tailwind CSS offers incredible velocity, but as applications scale, the "utility-first" approach often devolves into "utility-only" chaos. Senior engineers eventually hit a wall where a simple component—say, a  Card  or  Alert —looks like this in the codebase: // The specificty nightmare <div className={`rounded-lg border p-4 ${isError ? 'bg-red-50 border-red-200' : 'bg-white border-gray-200'} ${className}`}> <div className="flex items-start"> <div className={`flex-shrink-0 ${isError ? 'text-red-400' : 'text-gray-400'}`}> {/* Icon */} </div> <div className="ml-3"> <h3 className={`text-sm font-medium ${isError ? 'text-red-800' : 'text-gray-900'}`}> {title} </h3> {/* ... content ... */} </div> </div> </div> This is unmaintainable. The root cause is a ...