Group set cards by name with expandable rarity rows

src/pages/SetsPage.jsx

@@ -54,11 +54,10 @@ function SetCardRow({ card, zebra }) {
 
   return (
     <div style={{
-      display: 'grid', gridTemplateColumns: '1fr 120px 90px',
-      gap: '8px', padding: '8px 16px', alignItems: 'center',
-      background: zebra ? '#1e1e1e' : '#161616', borderBottom: '1px solid #1a1a1a',
+      display: 'grid', gridTemplateColumns: '1fr 90px',
+      gap: '8px', padding: '6px 16px 6px 32px', alignItems: 'center',
+      background: zebra ? '#1a1a1a' : '#141414', borderBottom: '1px solid #1a1a1a',
     }}>
-      <span style={{ fontSize: '13px', color: '#d8d8d8' }}>{card.name}</span>
       <span style={{ fontSize: '12px', color: '#777' }}>{card.rarity_name}</span>
       <div style={{ display: 'flex', alignItems: 'center', gap: '6px', justifyContent: 'flex-end' }}>
         <button className="icon-btn" onClick={() => current > 0 && save(current - 1)} disabled={current === 0}>−</button>
@@ -69,6 +68,38 @@ function SetCardRow({ card, zebra }) {
   );
 }
 
+function CardGroup({ group, isExpanded, onToggle }) {
+  const { ownedAmounts } = useContext(CardContext);
+  const total = group.printings.reduce((sum, p) => {
+    const key = `${p.set_id ?? ''}-${p.rarity_id}`;
+    return sum + (ownedAmounts[group.id]?.[key] ?? p.amount_owned ?? 0);
+  }, 0);
+
+  return (
+    <>
+      <div
+        onClick={onToggle}
+        className="card-row-header"
+        style={{
+          display: 'grid', gridTemplateColumns: '1fr 90px',
+          gap: '8px', padding: '8px 16px', alignItems: 'center',
+          cursor: 'pointer', borderBottom: '1px solid #1a1a1a',
+          background: isExpanded ? '#1c1c1c' : 'transparent',
+        }}
+      >
+        <span style={{ fontSize: '13px', color: '#d8d8d8' }}>{group.name}</span>
+        <div style={{ display: 'flex', alignItems: 'center', gap: '8px', justifyContent: 'flex-end' }}>
+          {total > 0 && <span style={{ fontSize: '12px', color: '#aaa' }}>×{total}</span>}
+          <span style={{ fontSize: '9px', color: '#444' }}>{isExpanded ? '▲' : '▼'}</span>
+        </div>
+      </div>
+      {isExpanded && group.printings.map((p, i) => (
+        <SetCardRow key={`${group.id}-${p.rarity_id}`} card={p} zebra={i % 2 === 1} />
+      ))}
+    </>
+  );
+}
+
 function SetsPage() {
   const [sets, setSets] = useState([]);
   const [loading, setLoading] = useState(true);
@@ -76,6 +107,7 @@ function SetsPage() {
   const [setCards, setSetCards] = useState([]);
   const [cardsLoading, setCardsLoading] = useState(false);
   const [searchTerm, setSearchTerm] = useState('');
+  const [expandedCardId, setExpandedCardId] = useState(null);
   const isMobile = useMediaQuery('(max-width: 768px)');
 
   useEffect(() => {
@@ -86,6 +118,7 @@ function SetsPage() {
     if (selectedSet?.id === set.id) { setSelectedSet(null); setSetCards([]); return; }
     setSelectedSet(set);
     setSetCards([]);
+    setExpandedCardId(null);
     setCardsLoading(true);
     fetchSetCards(set.id).then(setSetCards).catch(console.error).finally(() => setCardsLoading(false));
   };
@@ -95,6 +128,15 @@ function SetsPage() {
     return sets.filter(s => fuzzyMatch(s.set_name, searchTerm) || fuzzyMatch(s.set_code, searchTerm));
   }, [sets, searchTerm]);
 
+  const groupedCards = useMemo(() => {
+    const map = new Map();
+    for (const card of setCards) {
+      if (!map.has(card.id)) map.set(card.id, { id: card.id, name: card.name, printings: [] });
+      map.get(card.id).printings.push(card);
+    }
+    return [...map.values()];
+  }, [setCards]);
+
   const setDetail = selectedSet && (
     <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
       <div style={{ padding: '12px 16px', borderBottom: '1px solid #2a2a2a', flexShrink: 0 }}>
@@ -109,15 +151,20 @@ function SetsPage() {
         : (
           <div style={{ flex: 1, overflowY: 'auto' }}>
             <div style={{
-              display: 'grid', gridTemplateColumns: '1fr 120px 90px',
+              display: 'grid', gridTemplateColumns: '1fr 90px',
               gap: '8px', padding: '5px 16px',
               fontSize: '10px', color: '#444', textTransform: 'uppercase', letterSpacing: '0.05em',
               borderBottom: '1px solid #222',
             }}>
-              <span>Card</span><span>Rarity</span><span style={{ textAlign: 'right' }}>Owned</span>
+              <span>Card</span><span style={{ textAlign: 'right' }}>Owned</span>
             </div>
-            {setCards.map((card, i) => (
-              <SetCardRow key={`${card.id}-${card.rarity_id}`} card={card} zebra={i % 2 === 1} />
+            {groupedCards.map(group => (
+              <CardGroup
+                key={group.id}
+                group={group}
+                isExpanded={expandedCardId === group.id}
+                onToggle={() => setExpandedCardId(expandedCardId === group.id ? null : group.id)}
+              />
             ))}
           </div>
         )