・Same order as the in-game Index (fast scanning, zero confusion)
・Search bar to instantly find a Brainrot by name
・Variant sidebar for quick switching (Normal / Gold / Diamond / Rainbow / Cursed)
・Checkbox collecting to mark what you own
・Progress tracking with collected count + percentage
・Favorites (★) to mark targets you’re actively hunting
・“How to Get” info built into each entry for quick reference
