Komponens gondolkodás Tailwind-del

<!-- Ez nem jó: 20 helyen ugyanez -->
<button class="bg-blue-500 hover:bg-blue-600 text-white font-semibold px-4 py-2 rounded-lg transition-colors">
  Gomb 1
</button>
<button class="bg-blue-500 hover:bg-blue-600 text-white font-semibold px-4 py-2 rounded-lg transition-colors">
  Gomb 2
</button>

// components/Button.tsx
interface ButtonProps {
  children: React.ReactNode;
  variant?: 'primary' | 'secondary' | 'danger';
  size?: 'sm' | 'md' | 'lg';
  onClick?: () => void;
}

export function Button({ children, variant = 'primary', size = 'md', onClick }: ButtonProps) {
  const base = 'font-semibold rounded-lg transition-colors focus:outline-none focus:ring-2 focus:ring-offset-2';
  
  const variants = {
    primary: 'bg-blue-500 hover:bg-blue-600 text-white focus:ring-blue-500',
    secondary: 'bg-gray-100 hover:bg-gray-200 text-gray-900 focus:ring-gray-500',
    danger: 'bg-red-500 hover:bg-red-600 text-white focus:ring-red-500',
  };
  
  const sizes = {
    sm: 'px-3 py-1.5 text-sm',
    md: 'px-4 py-2 text-base',
    lg: 'px-6 py-3 text-lg',
  };
  
  return (
    <button
      className={`${base} ${variants[variant]} ${sizes[size]}`}
      onClick={onClick}
    >
      {children}
    </button>
  );
}

<Button variant="primary" size="lg">Beküldés</Button>
<Button variant="secondary">Mégse</Button>
<Button variant="danger" size="sm">Törlés</Button>