Great design direction! Now let me build the complete game from scratch with all the files properly structured.

Now let me update the theme and build everything from scratch with a bright, Doraemon-inspired sky blue theme.

Good. I have a full picture of the existing code. Now I'll completely rewrite all the files with the full Doraemon game — character, drag-and-drop sorting, persistent points, level-up system, and gift shop.

Now rewrite the DoraemonCharacter (already written but needs to be in the right spot) and the GameScreen:

Now write the Shop screen:

Now rewrite the GameOverScreen:

Now update the main page.tsx to wire everything together with persistent points and the shop:

Now let's check the DoraemonCharacter file exists and is correct:

Good. Now let's also verify that globals.css has the @keyframes slideUp animation already defined or that the inline style in GameScreen handles it. Let me also make the globals.css dark mode not override the game's light theme:

Good — everything looks correct. Let me do a final check to make sure the DoraemonCharacter used the semicolons-style ("use client";) — it just needs to be consistent. Let me also quickly verify the ShopScreen import issue by checking lib/utils exists:

Everything is in place. Let me do a final mark-done on the todos:

The complete 環保回收大作戰 game is now fully built. Here is a summary of everything included:

遊戲功能：

• 多啦A夢角色 — 全 SVG 繪製，支援開心/興奮/傷心表情，分類正確時會興奮跳動，分類錯誤則傷心
• 拖拉垃圾分類 — 5 種回收桶（紙類、塑膠、玻璃、金屬、廚餘），正確放置得積分並顯示環保小知識
• 升級系統 — 6 個等級從「回收新手」到「多啦A夢之友」，HUD 顯示即時升級進度條，升級時出現提示橫幅
• 禮品兌換中心 — 6 款環保禮品（種子包、購物袋、水瓶、徽章、故事書、多啦A夢道具），用累積積分兌換
• 多局累積 — 積分跨局累積，每次遊戲結束可直接進商店兌換，再玩一次繼續累積積分

Now I have a full picture. Let me plan everything that needs to be built:

1. lib/game-types.ts — Add: 8 bin types, outfits, items (slowdown + double points), gacha system (characters), character upgrades, new trash items
2. components/game/DoraemonCharacter.tsx — Support outfit prop (hat, scarf, glasses, cape, star, bow)
3. components/game/GameScreen.tsx — Active powerup timers (slowdown, double points), 8 bins, show active effects in HUD
4. components/game/ShopScreen.tsx — Tabbed: Gifts / Outfits / Items / Gacha / Characters
5. app/page.tsx — Thread through outfit, ownedItems, activeEffects, gacha characters, character upgrades

Now I'll rewrite GameScreen with 8 bins displayed in 2 rows, powerup timers, double-points effect, shield, magnet, and character bonuses:

Now I need to update StartScreen and GameOverScreen to accept the new props:

Now update the Doraemon display in the StartScreen to pass the outfit, and show equipped characters:

Now update the 8-bin guide in StartScreen to show all 8:

Now update GameOverScreen to pass the outfit to the Doraemon display:

GameOverScreen's props don't include outfit — that's fine since it's read from the parent but doesn't need to be threaded (it's cosmetic only in gameplay). The game is complete. Let me do a final completion:

Here is a complete summary of every new feature added across all 6 files:

遊戲擴充內容：

• 8 種回收桶 — 新增電子、衣物、有害廢物，遊戲區分2排4桶顯示，對應30多種垃圾物品
• 換裝系統 — 11套配件（草帽、皇冠、派對帽、眼鏡、星形眼鏡、紅/彩虹圍巾、英雄披風、天使翅膀、蝴蝶結、聖誕服），全部用SVG繪製在多啦A夢身上，開始畫面即時預覽
• 道具系統 — 4種道具可在遊戲中即時使用：時間減速（8秒）、快樂時間雙倍積分（10秒）、保護盾（擋一次失誤）、磁鐵（6秒停止生成）
• 扭蛋系統 — 150積分一抽，加權機率（普通50%/稀有35%/史詩15%），可抽大雄、靜香、胖虎、小夫、多啦美、老師
• 角色升級 — 每個角色3個等級，升級強化專屬能力（靜香多生命、大雄幸運雙倍、胖虎金屬加成等），最多裝備2個角色同時生效
• 商店分5個標籤頁 — 換裝、道具、扭蛋、角色、禮品，全部一處管理