DedeProGames and DedeBckp in light blue

Leaderboard: Play Style chart replaces Elo vs Parameters; light-blue accent

Size classes widen for large models (x1.25 up to 30M -> x1.5 from 100M)

Size-class leaders: relative neighbourhoods (-20%/+25%) instead of a fixed ±20M window

Add leaderboard charts (Elo bars, table, Elo vs parameters)