{#each letters as letter (letter)} {@const enabled = availableLetters.has(letter)}
jumpTo(letter)} class="w-5 leading-tight text-[10px] sm:text-xs font-semibold transition-colors {enabled ? 'text-gray-400 hover:text-[var(--color-jellyfin)]' : 'text-gray-700 cursor-default'} {activeLetter === letter && enabled ? 'text-[var(--color-jellyfin)] scale-125' : ''}" aria-label={`Jump to ${letter}`} > {letter}
{/each}