Flutter Alert Banners: Success, Info, and Warning

WDiv(
  className: 'mx-auto max-w-md flex flex-col gap-3',
  children: [
    WDiv(
      className: 'flex flex-row items-center gap-3 rounded-xl border p-4 bg-emerald-50 border-emerald-200 dark:bg-emerald-950 dark:border-emerald-800',
      children: [
        WIcon(
          Icons.check_circle,
          className: 'text-emerald-500 text-xl dark:text-emerald-400'
        ),
        WDiv(
          className: 'flex-1 flex flex-col',
          children: [
            WText(
              'Payment successful',
              className: 'text-sm font-semibold text-emerald-800 dark:text-emerald-200'
            ),
            WText(
              'Your invoice has been sent by email.',
              className: 'text-xs text-emerald-600 dark:text-emerald-400'
            )
          ]
        ),
        WIcon(
          Icons.close,
          className: 'text-emerald-400 text-lg dark:text-emerald-500'
        ),
      ],
    ),
    WDiv(
      className: 'flex flex-row items-center gap-3 rounded-xl border p-4 bg-sky-50 border-sky-200 dark:bg-sky-950 dark:border-sky-800',
      children: [
        WIcon(
          Icons.info,
          className: 'text-sky-500 text-xl dark:text-sky-400'
        ),
        WDiv(
          className: 'flex-1 flex flex-col',
          children: [
            WText(
              'New update available',
              className: 'text-sm font-semibold text-sky-800 dark:text-sky-200'
            ),
            WText(
              'Version 1.0.0 is ready to install.',
              className: 'text-xs text-sky-600 dark:text-sky-400'
            )
          ]
        ),
        WIcon(
          Icons.close,
          className: 'text-sky-400 text-lg dark:text-sky-500'
        ),
      ],
    ),
    WDiv(
      className: 'flex flex-row items-center gap-3 rounded-xl border p-4 bg-amber-50 border-amber-200 dark:bg-amber-950 dark:border-amber-800',
      children: [
        WIcon(
          Icons.warning,
          className: 'text-amber-500 text-xl dark:text-amber-400'
        ),
        WDiv(
          className: 'flex-1 flex flex-col',
          children: [
            WText(
              'Storage almost full',
              className: 'text-sm font-semibold text-amber-800 dark:text-amber-200'
            ),
            WText(
              'You have used 92% of your quota.',
              className: 'text-xs text-amber-600 dark:text-amber-400'
            )
          ]
        ),
        WIcon(
          Icons.close,
          className: 'text-amber-400 text-lg dark:text-amber-500'
        ),
      ],
    ),
  ],
)