..

pages/Discovery.tsx

@@ -19,15 +19,34 @@ interface DiscoveryProps {
   settings: ApiSettings;
 }
 
+const DISCOVERY_CATEGORIES = [
+  { id: 'trading_value', name: '거래대금 상위', icon: <Flame size={16} /> },
+  { id: 'gainers', name: '급상승 종목', icon: <Zap size={16} /> },
+  { id: 'continuous_rise', name: '연속 상승세', icon: <Trophy size={16} />, badge: '인기' },
+  { id: 'undervalued_growth', name: '저평가 성장주', icon: <Sparkles size={16} />, badge: '인기' },
+  { id: 'cheap_value', name: '아직 저렴한 가치주', icon: <Sparkles size={16} /> },
+  { id: 'stable_dividends', name: '꾸준한 배당주', icon: <Sparkles size={16} />, badge: '인기' },
+  { id: 'profitable_companies', name: '돈 잘버는 회사 찾기', icon: <Sparkles size={16} /> },
+  { id: 'undervalued_recovery', name: '저평가 탈출', icon: <Sparkles size={16} /> },
+  { id: 'future_dividend_kings', name: '미래의 배당왕 찾기', icon: <Sparkles size={16} /> },
+  { id: 'growth_prospects', name: '성장 기대주', icon: <Sparkles size={16} /> },
+  { id: 'buy_at_cheap', name: '싼값에 매수', icon: <Sparkles size={16} /> },
+  { id: 'high_yield_undervalued', name: '고수익 저평가', icon: <Sparkles size={16} /> },
+  { id: 'popular_growth', name: '인기 성장주', icon: <Sparkles size={16} /> },
+];
+
 const Discovery: React.FC<DiscoveryProps> = ({ stocks, orders, onUpdateStock, settings }) => {
-  const [activeTab, setActiveTab] = useState<'realtime' | 'category' | 'investor'>('realtime');
+  const [activeCategoryId, setActiveCategoryId] = useState<string>('trading_value');
   const [marketFilter, setMarketFilter] = useState<'all' | 'domestic' | 'overseas'>('all');
-  const [sortType, setSortType] = useState<'value' | 'volume' | 'gain' | 'loss'>('value');
   const [selectedStockCode, setSelectedStockCode] = useState<string>(stocks[0]?.code || '');
   
   const [detailStock, setDetailStock] = useState<StockItem | null>(null);
   const [tradeContext, setTradeContext] = useState<{ stock: StockItem, type: OrderType } | null>(null);
 
+  const activeCategory = useMemo(() => 
+    DISCOVERY_CATEGORIES.find(c => c.id === activeCategoryId) || DISCOVERY_CATEGORIES[0]
+  , [activeCategoryId]);
+
   const selectedStock = useMemo(() => {
     return stocks.find(s => s.code === selectedStockCode) || null;
   }, [stocks, selectedStockCode]);
@@ -56,13 +75,11 @@ const Discovery: React.FC<DiscoveryProps> = ({ stocks, orders, onUpdateStock, se
       if (marketFilter === 'overseas') return s.market === MarketType.OVERSEAS;
       return true;
     }).sort((a, b) => {
-      if (sortType === 'value') return (b.tradingValue || 0) - (a.tradingValue || 0);
-      if (sortType === 'volume') return b.volume - a.volume;
-      if (sortType === 'gain') return b.changePercent - a.changePercent;
-      if (sortType === 'loss') return a.changePercent - b.changePercent;
-      return 0;
+      // 메뉴별 기본 정렬 (사용자가 나중에 필터링 로직 제공하기 전까지는 기존 로직 활용)
+      if (activeCategoryId === 'gainers') return b.changePercent - a.changePercent;
+      return (b.tradingValue || 0) - (a.tradingValue || 0);
     });
-  }, [stocks, marketFilter, sortType]);
+  }, [stocks, marketFilter, activeCategoryId]);
 
   const handleSaveMemo = () => {
     if (selectedStock) {
@@ -101,24 +118,56 @@ const Discovery: React.FC<DiscoveryProps> = ({ stocks, orders, onUpdateStock, se
   };
 
   return (
-    <div className="max-w-[1500px] mx-auto flex flex-col lg:flex-row gap-6 animate-in fade-in duration-700 pb-10">
-      <div className="flex-1 space-y-6">
-        <div className="flex items-center gap-8 border-b border-slate-100 pb-1 overflow-x-auto scrollbar-hide">
-          <TabButton active={activeTab === 'realtime'} onClick={() => setActiveTab('realtime')} icon={<Trophy size={18}/>} label="실시간 차트" />
-          <TabButton active={activeTab === 'category'} onClick={() => setActiveTab('category')} icon={<Flame size={18}/>} label="인기 테마" />
-          <TabButton active={activeTab === 'investor'} onClick={() => setActiveTab('investor')} icon={<Users size={18}/>} label="투자자 동향" />
+    <div className="w-full h-full flex flex-col lg:flex-row gap-6 animate-in fade-in duration-700 pb-10 pr-2">
+      {/* 1. 좌측 사이드바 메뉴 */}
+      <div className="w-full lg:w-[240px] shrink-0 space-y-8">
+        <div>
+           <h3 className="text-[11px] font-black text-slate-400 uppercase tracking-widest px-4 mb-4">주식 골라보기 목록</h3>
+           <div className="space-y-1">
+              <p className="text-[10px] font-black text-slate-300 px-4 mb-2 uppercase italic">내가 만든</p>
+              <button className="w-full flex items-center gap-3 px-4 py-2 text-blue-600 font-bold text-[13px] hover:bg-blue-50/50 rounded-xl transition-all">
+                 <div className="w-6 h-6 rounded-lg bg-blue-50 flex items-center justify-center">+</div>
+                 직접 만들기
+              </button>
+           </div>
         </div>
 
-        <div className="flex flex-wrap items-center justify-between gap-4">
-          <div className="flex gap-1.5">
+        <div>
+           <p className="text-[10px] font-black text-slate-300 px-4 mb-3 uppercase italic">토스증권이 만든</p>
+           <div className="space-y-0.5">
+              {DISCOVERY_CATEGORIES.map(cat => (
+                <button 
+                  key={cat.id}
+                  onClick={() => setActiveCategoryId(cat.id)}
+                  className={`w-full flex items-center justify-between px-4 py-2.5 rounded-xl transition-all group ${activeCategoryId === cat.id ? 'bg-slate-900 text-white' : 'text-slate-600 hover:bg-slate-50'}`}
+                >
+                  <div className="flex items-center gap-3">
+                    <span className={`${activeCategoryId === cat.id ? 'text-blue-400' : 'text-slate-400 group-hover:text-slate-900'}`}>{cat.icon}</span>
+                    <span className="text-[13px] font-black tracking-tight">{cat.name}</span>
+                  </div>
+                  {cat.badge && (
+                    <span className={`text-[9px] px-1.5 py-0.5 rounded-md font-black italic ${activeCategoryId === cat.id ? 'bg-blue-500 text-white' : 'bg-blue-50 text-blue-500'}`}>
+                      {cat.badge}
+                    </span>
+                  )}
+                </button>
+              ))}
+           </div>
+        </div>
+      </div>
+
+      {/* 2. 중앙 목록 영역 */}
+      <div className="flex-1 space-y-6">
+        <div className="flex items-center justify-between gap-4">
+          <div>
+            <h2 className="text-2xl font-black text-slate-900 italic tracking-tighter">{activeCategory.name}</h2>
+            <p className="text-[11px] font-bold text-slate-400 mt-1 uppercase tracking-tight">수천 개의 주식 중 조건에 맞는 종목을 선별했습니다.</p>
+          </div>
+          <div className="flex gap-1.5 bg-slate-100 p-1 rounded-xl">
             <FilterChip active={marketFilter === 'all'} onClick={() => setMarketFilter('all')} label="전체" />
             <FilterChip active={marketFilter === 'domestic'} onClick={() => setMarketFilter('domestic')} label="국내" />
             <FilterChip active={marketFilter === 'overseas'} onClick={() => setMarketFilter('overseas')} label="해외" />
           </div>
-          <div className="flex gap-1.5 bg-slate-100 p-1 rounded-xl">
-             <FilterChip active={sortType === 'value'} onClick={() => setSortType('value')} label="거래대금" />
-             <FilterChip active={sortType === 'gain'} onClick={() => setSortType('gain')} label="급상승" />
-          </div>
         </div>
 
         <div className="bg-white rounded-2xl border border-slate-100 shadow-sm overflow-hidden">
@@ -148,25 +197,26 @@ const Discovery: React.FC<DiscoveryProps> = ({ stocks, orders, onUpdateStock, se
         </div>
       </div>
 
-      <div className="w-full lg:w-[380px]">
+      {/* 3. 우측 상세 패널 */}
+      <div className="w-full lg:w-[340px] shrink-0">
         {selectedStock && (
-          <div className="bg-white p-6 rounded-3xl shadow-lg border border-slate-100 flex flex-col gap-6 sticky top-24 max-h-[88vh] overflow-y-auto scrollbar-hide">
+          <div className="bg-white p-5 rounded-2xl shadow-lg border border-slate-100 flex flex-col gap-5 sticky top-24 max-h-[85vh] overflow-y-auto scrollbar-hide">
             <div className="flex justify-between items-start">
               <div className="flex items-center gap-3">
                 <div className="w-12 h-12 bg-slate-900 rounded-xl flex items-center justify-center text-white shadow-md text-sm">{selectedStock.name[0]}</div>
-                <div>
-                  <h4 className="text-lg font-black text-slate-900 italic tracking-tighter cursor-pointer hover:text-blue-600 leading-tight" onClick={() => setDetailStock(selectedStock)}>{selectedStock.name}</h4>
+                <div className="min-w-0">
+                  <h4 className="text-lg font-black text-slate-900 italic tracking-tighter cursor-pointer hover:text-blue-600 leading-tight truncate" onClick={() => setDetailStock(selectedStock)}>{selectedStock.name}</h4>
                   <p className="text-[11px] font-black text-slate-400">{selectedStock.code}</p>
                 </div>
               </div>
-              <button onClick={handleToggleHide} className={`p-2 rounded-xl transition-all ${selectedStock.isHidden ? 'bg-rose-50 text-rose-500' : 'bg-slate-50 text-slate-400 hover:text-rose-500'}`}>
+              <button onClick={handleToggleHide} className={`p-2 rounded-xl transition-all shrink-0 ${selectedStock.isHidden ? 'bg-rose-50 text-rose-500' : 'bg-slate-50 text-slate-400 hover:text-rose-500'}`}>
                 {selectedStock.isHidden ? <Eye size={18} /> : <EyeOff size={18} />}
               </button>
             </div>
 
             <div className="flex gap-3">
-               <button onClick={() => setTradeContext({stock: selectedStock, type: OrderType.BUY})} className="flex-1 py-3 bg-rose-500 text-white rounded-xl font-black text-sm shadow-md flex items-center justify-center gap-1.5">매수</button>
-               <button onClick={() => setTradeContext({stock: selectedStock, type: OrderType.SELL})} className="flex-1 py-3 bg-blue-600 text-white rounded-xl font-black text-sm shadow-md flex items-center justify-center gap-1.5">매도</button>
+               <button onClick={() => setTradeContext({stock: selectedStock, type: OrderType.BUY})} className="flex-1 py-3 bg-rose-500 text-white rounded-xl font-black text-sm shadow-md flex items-center justify-center gap-1.5 hover:bg-rose-600 transition-all">매수</button>
+               <button onClick={() => setTradeContext({stock: selectedStock, type: OrderType.SELL})} className="flex-1 py-3 bg-blue-600 text-white rounded-xl font-black text-sm shadow-md flex items-center justify-center gap-1.5 hover:bg-blue-600 transition-all">매도</button>
             </div>
 
             <div className="space-y-3">
@@ -215,7 +265,7 @@ const Discovery: React.FC<DiscoveryProps> = ({ stocks, orders, onUpdateStock, se
                  <div className="flex items-center gap-1.5 text-[13px] font-black text-slate-800">
                    <Sparkles size={14} className="text-purple-500" /> AI 분석
                  </div>
-                 <button onClick={handleGenerateAnalysis} disabled={isAnalyzing} className="p-1.5 bg-purple-50 text-purple-600 rounded-lg">
+                 <button onClick={handleGenerateAnalysis} disabled={isAnalyzing} className="p-1.5 bg-purple-50 text-purple-600 rounded-lg shrink-0">
                    <RefreshCw size={12} className={isAnalyzing ? 'animate-spin' : ''} />
                  </button>
                </div>
@@ -233,6 +283,7 @@ const Discovery: React.FC<DiscoveryProps> = ({ stocks, orders, onUpdateStock, se
         )}
       </div>
 
+      {/* 4. 모달들 */}
       {detailStock && <StockDetailModal stock={detailStock} onClose={() => setDetailStock(null)} />}
       {tradeContext && <TradeModal stock={tradeContext.stock} type={tradeContext.type} onClose={() => setTradeContext(null)} onExecute={async (o) => alert('주문 예약됨')} />}
     </div>