Fix timer: always 2:00, keep ticking during combos

Fix timer: defer start to pregame dismiss + cache bust

Add countdown timer + redesign travel map UI

Fix travel map: balance, difficulty, colors, stars, level info

Fix all audit bugs + add PWA support for Play Store

Fix mobile ghost touch: force-disable all children of hidden screens

Convert spin from body overlay to full screen

Simplify spin/daily buttons to use goScreen like settings/leaderboard

Fix mobile ghost touch causing pregame on wrong screens

Fix pregame overlay appearing on wrong screens

Fix mobile tap-through bug + 100vh viewport issues

Replace canvas particles with SVG scene backgrounds

Add special candies, travel map, score fixes + gameplay polish

Extract spin system into separate files

Add lives, boosters, daily rewards, lucky spin + mobile layout