diff --git a/pages/api/cards/[id].js b/pages/api/cards/[id].js
index 04cff2c..a53173e 100644
--- a/pages/api/cards/[id].js
+++ b/pages/api/cards/[id].js
@@ -1,116 +1,42 @@
 import { sql } from '@vercel/postgres';
 
 export default async function handler(req, res) {
+  if (req.method !== 'GET') {
+    return res.status(405).json({ error: 'Method not allowed' });
+  }
+
   const { id } = req.query;
 
-  if (req.method === 'GET') {
-    try {
-      const result = await sql`
-        SELECT 
-          id, name, set_name, set_code, card_number, rarity, game,
-          mana_cost, cmc, card_type, colors, oracle_text,
-          power, toughness, image_url, stock_image_url,
-          current_price, market_price, scryfall_id, verified,
-          created_at, updated_at
-        FROM cards 
-        WHERE id = ${id}
-      `;
-
-      if (result.rows.length === 0) {
-        return res.status(404).json({ error: 'Card not found' });
-      }
-
-      const card = result.rows[0];
-
-      // Parse JSON fields
-      if (card.colors) {
-        try {
-          card.colors = JSON.parse(card.colors);
-        } catch (e) {
-          card.colors = [];
-        }
-      }
-
-      res.status(200).json({
-        success: true,
-        card
-      });
-
-    } catch (error) {
-      console.error('Card fetch error:', error);
-      res.status(500).json({ 
-        error: 'Failed to fetch card', 
-        details: error.message 
-      });
-    }
-  } else if (req.method === 'PUT') {
-    try {
-      const {
-        name, set_name, set_code, card_number, rarity, game,
+  try {
+    const result = await sql`
+      SELECT 
+        id, name, set_name, set_code, card_number, rarity, game,
         mana_cost, cmc, card_type, colors, oracle_text,
         power, toughness, image_url, stock_image_url,
-        current_price, market_price
-      } = req.body;
+        current_price, market_price, scryfall_id, verified,
+        quantity
+      FROM cards 
+      WHERE id = ${id}
+    `;
 
-      const result = await sql`
-        UPDATE cards SET
-          name = ${name},
-          set_name = ${set_name},
-          set_code = ${set_code},
-          card_number = ${card_number},
-          rarity = ${rarity},
-          game = ${game},
-          mana_cost = ${mana_cost},
-          cmc = ${cmc},
-          card_type = ${card_type},
-          colors = ${JSON.stringify(colors)},
-          oracle_text = ${oracle_text},
-          power = ${power},
-          toughness = ${toughness},
-          image_url = ${image_url},
-          stock_image_url = ${stock_image_url},
-          current_price = ${current_price},
-          market_price = ${market_price},
-          updated_at = CURRENT_TIMESTAMP
-        WHERE id = ${id}
-        RETURNING *
-      `;
+    if (result.rows.length === 0) {
+      return res.status(404).json({ error: 'Card not found' });
+    }
 
-      if (result.rows.length === 0) {
-        return res.status(404).json({ error: 'Card not found' });
+    const card = result.rows[0];
+    
+    // Parse colors if it's a JSON string
+    if (card.colors && typeof card.colors === 'string') {
+      try {
+        card.colors = JSON.parse(card.colors);
+      } catch (e) {
+        card.colors = [];
       }
-
-      res.status(200).json({
-        success: true,
-        card: result.rows[0]
-      });
-
-    } catch (error) {
-      console.error('Card update error:', error);
-      res.status(500).json({ 
-        error: 'Failed to update card', 
-        details: error.message 
-      });
     }
-  } else if (req.method === 'DELETE') {
-    try {
-      const result = await sql`
-        DELETE FROM cards WHERE id = ${id}
-      `;
 
-      res.status(200).json({
-        success: true,
-        message: 'Card deleted successfully'
-      });
-
-    } catch (error) {
-      console.error('Card delete error:', error);
-      res.status(500).json({ 
-        error: 'Failed to delete card', 
-        details: error.message 
-      });
-    }
-  } else {
-    res.status(405).json({ error: 'Method not allowed' });
+    res.status(200).json(card);
+  } catch (error) {
+    console.error('Error fetching card:', error);
+    res.status(500).json({ error: 'Failed to fetch card' });
   }
 } 
\ No newline at end of file
diff --git a/pages/api/cards/[id]/collections.js b/pages/api/cards/[id]/collections.js
new file mode 100644
index 0000000..047b07b
--- /dev/null
+++ b/pages/api/cards/[id]/collections.js
@@ -0,0 +1,35 @@
+import { sql } from '@vercel/postgres';
+
+export default async function handler(req, res) {
+  const { id } = req.query;
+
+  if (req.method === 'GET') {
+    try {
+      // For now, return mock data until we implement the collections table
+      const mockCardCollections = [
+        { id: 1, name: 'My MTG Collection' },
+        { id: 4, name: 'Rare Cards' }
+      ];
+
+      res.status(200).json(mockCardCollections);
+    } catch (error) {
+      console.error('Error fetching card collections:', error);
+      res.status(500).json({ error: 'Failed to fetch card collections' });
+    }
+  } else if (req.method === 'POST') {
+    try {
+      const { collectionId } = req.body;
+
+      // For now, just return success until we implement the collections table
+      res.status(200).json({
+        success: true,
+        message: 'Card added to collection'
+      });
+    } catch (error) {
+      console.error('Error adding card to collection:', error);
+      res.status(500).json({ error: 'Failed to add card to collection' });
+    }
+  } else {
+    res.status(405).json({ error: 'Method not allowed' });
+  }
+} 
\ No newline at end of file
diff --git a/pages/api/cards/[id]/decks.js b/pages/api/cards/[id]/decks.js
new file mode 100644
index 0000000..24c412a
--- /dev/null
+++ b/pages/api/cards/[id]/decks.js
@@ -0,0 +1,35 @@
+import { sql } from '@vercel/postgres';
+
+export default async function handler(req, res) {
+  const { id } = req.query;
+
+  if (req.method === 'GET') {
+    try {
+      // For now, return mock data until we implement the decks table
+      const mockCardDecks = [
+        { id: 1, name: 'MTG Control Deck' },
+        { id: 4, name: 'MTG Combo' }
+      ];
+
+      res.status(200).json(mockCardDecks);
+    } catch (error) {
+      console.error('Error fetching card decks:', error);
+      res.status(500).json({ error: 'Failed to fetch card decks' });
+    }
+  } else if (req.method === 'POST') {
+    try {
+      const { deckId } = req.body;
+
+      // For now, just return success until we implement the decks table
+      res.status(200).json({
+        success: true,
+        message: 'Card added to deck'
+      });
+    } catch (error) {
+      console.error('Error adding card to deck:', error);
+      res.status(500).json({ error: 'Failed to add card to deck' });
+    }
+  } else {
+    res.status(405).json({ error: 'Method not allowed' });
+  }
+} 
\ No newline at end of file
diff --git a/pages/api/cards/[id]/favorite.js b/pages/api/cards/[id]/favorite.js
new file mode 100644
index 0000000..ee7a2ce
--- /dev/null
+++ b/pages/api/cards/[id]/favorite.js
@@ -0,0 +1,32 @@
+import { sql } from '@vercel/postgres';
+
+export default async function handler(req, res) {
+  if (req.method !== 'POST') {
+    return res.status(405).json({ error: 'Method not allowed' });
+  }
+
+  const { id } = req.query;
+  const { favorited } = req.body;
+
+  try {
+    // Update the card's favorite status
+    const result = await sql`
+      UPDATE cards 
+      SET favorited = ${favorited}
+      WHERE id = ${id}
+      RETURNING id, name, favorited
+    `;
+
+    if (result.rows.length === 0) {
+      return res.status(404).json({ error: 'Card not found' });
+    }
+
+    res.status(200).json({
+      success: true,
+      card: result.rows[0]
+    });
+  } catch (error) {
+    console.error('Error updating favorite status:', error);
+    res.status(500).json({ error: 'Failed to update favorite status' });
+  }
+} 
\ No newline at end of file
diff --git a/pages/api/cards/[id]/ownership.js b/pages/api/cards/[id]/ownership.js
new file mode 100644
index 0000000..b16634d
--- /dev/null
+++ b/pages/api/cards/[id]/ownership.js
@@ -0,0 +1,32 @@
+import { sql } from '@vercel/postgres';
+
+export default async function handler(req, res) {
+  if (req.method !== 'POST') {
+    return res.status(405).json({ error: 'Method not allowed' });
+  }
+
+  const { id } = req.query;
+  const { quantity } = req.body;
+
+  try {
+    // Update the card's quantity
+    const result = await sql`
+      UPDATE cards 
+      SET quantity = ${quantity}
+      WHERE id = ${id}
+      RETURNING id, name, quantity
+    `;
+
+    if (result.rows.length === 0) {
+      return res.status(404).json({ error: 'Card not found' });
+    }
+
+    res.status(200).json({
+      success: true,
+      card: result.rows[0]
+    });
+  } catch (error) {
+    console.error('Error updating ownership:', error);
+    res.status(500).json({ error: 'Failed to update ownership' });
+  }
+} 
\ No newline at end of file
diff --git a/pages/api/collections.js b/pages/api/collections.js
new file mode 100644
index 0000000..a179f29
--- /dev/null
+++ b/pages/api/collections.js
@@ -0,0 +1,23 @@
+import { sql } from '@vercel/postgres';
+
+export default async function handler(req, res) {
+  if (req.method !== 'GET') {
+    return res.status(405).json({ error: 'Method not allowed' });
+  }
+
+  try {
+    // For now, return mock collections until we implement user authentication
+    const mockCollections = [
+      { id: 1, name: 'My MTG Collection', game: 'MTG' },
+      { id: 2, name: 'Pokemon Favorites', game: 'Pokemon' },
+      { id: 3, name: 'Lorcana Disney', game: 'Lorcana' },
+      { id: 4, name: 'Rare Cards', game: 'MTG' },
+      { id: 5, name: 'Holographic Collection', game: 'Pokemon' }
+    ];
+
+    res.status(200).json(mockCollections);
+  } catch (error) {
+    console.error('Error fetching collections:', error);
+    res.status(500).json({ error: 'Failed to fetch collections' });
+  }
+} 
\ No newline at end of file
diff --git a/pages/api/decks.js b/pages/api/decks.js
new file mode 100644
index 0000000..3c82090
--- /dev/null
+++ b/pages/api/decks.js
@@ -0,0 +1,23 @@
+import { sql } from '@vercel/postgres';
+
+export default async function handler(req, res) {
+  if (req.method !== 'GET') {
+    return res.status(405).json({ error: 'Method not allowed' });
+  }
+
+  try {
+    // For now, return mock decks until we implement user authentication
+    const mockDecks = [
+      { id: 1, name: 'MTG Control Deck', game: 'MTG' },
+      { id: 2, name: 'Pokemon Aggro', game: 'Pokemon' },
+      { id: 3, name: 'Lorcana Midrange', game: 'Lorcana' },
+      { id: 4, name: 'MTG Combo', game: 'MTG' },
+      { id: 5, name: 'Pokemon Stall', game: 'Pokemon' }
+    ];
+
+    res.status(200).json(mockDecks);
+  } catch (error) {
+    console.error('Error fetching decks:', error);
+    res.status(500).json({ error: 'Failed to fetch decks' });
+  }
+} 
\ No newline at end of file
diff --git a/pages/card/[id].js b/pages/card/[id].js
index 423aaa8..0e136f7 100644
--- a/pages/card/[id].js
+++ b/pages/card/[id].js
@@ -22,152 +22,81 @@ export default function CardDetail() {
   const [selectedDeck, setSelectedDeck] = useState('');
   const [quantity, setQuantity] = useState(1);
   const [isFavorited, setIsFavorited] = useState(false);
+  const [collections, setCollections] = useState([]);
+  const [decks, setDecks] = useState([]);
+  const [cardCollections, setCardCollections] = useState([]);
+  const [cardDecks, setCardDecks] = useState([]);
 
-  // Mock card data - in real app this would come from API
-  const mockCards = {
-    '1': {
-      id: 1,
-      name: "Black Lotus",
-      game: "MTG",
-      rarity: "mythic",
-      rarityColor: "#FFD700",
-      rarityGradient: "from-yellow-400 to-orange-500",
-      set: "Alpha",
-      value: 25000,
-      image: "/api/placeholder/1",
-      description: "The most iconic Magic card ever printed",
-      type: "Artifact",
-      condition: "Near Mint",
-      artist: "Christopher Rush",
-      cardNumber: "232",
-      flavorText: "The most powerful artifact ever created.",
-      manaCost: "{0}",
-      power: null,
-      toughness: null,
-      text: "{T}, Sacrifice Black Lotus: Add three mana of any one color to your mana pool.",
-      rulings: [
-        "Black Lotus is banned in all formats except Vintage.",
-        "The card was printed in Alpha, Beta, and Unlimited editions.",
-        "It's considered one of the Power Nine."
-      ],
-      priceHistory: [
-        { date: '2023-01-01', price: 22000 },
-        { date: '2023-04-01', price: 23500 },
-        { date: '2023-07-01', price: 24000 },
-        { date: '2023-10-01', price: 24500 },
-        { date: '2024-01-01', price: 25000 }
-      ],
-      purchaseLinks: [
-        { name: 'TCGPlayer', url: 'https://www.tcgplayer.com/search/magic/product?productName=black+lotus', icon: '🃏' },
-        { name: 'eBay', url: 'https://www.ebay.com/sch/i.html?_nkw=black+lotus+magic+alpha', icon: '🛒' },
-        { name: 'Card Kingdom', url: 'https://www.cardkingdom.com/catalog/search?search=black+lotus', icon: '👑' },
-        { name: 'Star City Games', url: 'https://starcitygames.com/search?searchQuery=black+lotus', icon: '⭐' }
-      ]
-    },
-    '2': {
-      id: 2,
-      name: "Charizard",
-      game: "Pokemon",
-      rarity: "holographic",
-      rarityColor: "#FF6B6B",
-      rarityGradient: "from-red-400 to-pink-500",
-      set: "Base Set",
-      value: 350,
-      image: "/api/placeholder/2",
-      description: "The classic holographic Charizard",
-      type: "Fire",
-      condition: "Lightly Played",
-      artist: "Mitsuhiro Arita",
-      cardNumber: "4/102",
-      flavorText: "Spits fire that is hot enough to melt boulders.",
-      manaCost: null,
-      power: "100",
-      toughness: null,
-      text: "Fire Spin: 100 damage. Discard 2 Energy cards attached to Charizard in order to use this attack.",
-      rulings: [
-        "This is the most valuable card from the original Base Set.",
-        "The holographic version is significantly more valuable than the non-holo.",
-        "First printed in 1999."
-      ],
-      priceHistory: [
-        { date: '2023-01-01', price: 300 },
-        { date: '2023-04-01', price: 320 },
-        { date: '2023-07-01', price: 330 },
-        { date: '2023-10-01', price: 340 },
-        { date: '2024-01-01', price: 350 }
-      ],
-      purchaseLinks: [
-        { name: 'TCGPlayer', url: 'https://www.tcgplayer.com/search/pokemon/product?productName=charizard+base+set', icon: '🃏' },
-        { name: 'eBay', url: 'https://www.ebay.com/sch/i.html?_nkw=charizard+base+set+holographic', icon: '🛒' },
-        { name: 'Pokemon Center', url: 'https://www.pokemoncenter.com/search?q=charizard', icon: '⚡' }
-      ]
-    },
-    '3': {
-      id: 3,
-      name: "Mickey Mouse",
-      game: "Lorcana",
-      rarity: "enchanted",
-      rarityColor: "#A855F7",
-      rarityGradient: "from-purple-400 to-indigo-500",
-      set: "First Chapter",
-      value: 45,
-      image: "/api/placeholder/3",
-      description: "Disney's iconic character in card form",
-      type: "Character",
-      condition: "Near Mint",
-      artist: "Disney",
-      cardNumber: "1/204",
-      flavorText: "The most magical mouse of all.",
-      manaCost: "2",
-      power: "2",
-      toughness: "2",
-      text: "When this character enters play, you may draw a card.",
-      rulings: [
-        "This is the first Disney card game featuring Mickey Mouse.",
-        "The enchanted version has special foil treatment.",
-        "Released in 2023."
-      ],
-      priceHistory: [
-        { date: '2023-08-01', price: 40 },
-        { date: '2023-10-01', price: 42 },
-        { date: '2023-12-01', price: 44 },
-        { date: '2024-01-01', price: 45 }
-      ],
-      purchaseLinks: [
-        { name: 'TCGPlayer', url: 'https://www.tcgplayer.com/search/lorcana/product?productName=mickey+mouse', icon: '🃏' },
-        { name: 'eBay', url: 'https://www.ebay.com/sch/i.html?_nkw=mickey+mouse+lorcana+enchanted', icon: '🛒' },
-        { name: 'Disney Store', url: 'https://www.shopdisney.com/search?searchQuery=lorcana', icon: '✨' }
-      ]
-    }
-  };
-
-  // Mock collections and decks data
-  const mockCollections = [
-    { id: 1, name: 'My MTG Collection', game: 'MTG' },
-    { id: 2, name: 'Pokemon Favorites', game: 'Pokemon' },
-    { id: 3, name: 'Lorcana Disney', game: 'Lorcana' },
-    { id: 4, name: 'Rare Cards', game: 'MTG' },
-    { id: 5, name: 'Holographic Collection', game: 'Pokemon' }
-  ];
-
-  const mockDecks = [
-    { id: 1, name: 'MTG Control Deck', game: 'MTG' },
-    { id: 2, name: 'Pokemon Aggro', game: 'Pokemon' },
-    { id: 3, name: 'Lorcana Midrange', game: 'Lorcana' },
-    { id: 4, name: 'MTG Combo', game: 'MTG' },
-    { id: 5, name: 'Pokemon Stall', game: 'Pokemon' }
-  ];
-
+  // Fetch card data from API
   useEffect(() => {
-    if (id && mockCards[id]) {
-      setCard(mockCards[id]);
-      setLoading(false);
-    } else if (id) {
-      // Card not found
-      setLoading(false);
-    }
+    const fetchCard = async () => {
+      if (!id) return;
+      
+      try {
+        const response = await fetch(`/api/cards/${id}`);
+        if (response.ok) {
+          const cardData = await response.json();
+          setCard(cardData);
+          
+          // Set initial owned quantity if available
+          if (cardData.quantity) {
+            setOwnedQuantity(cardData.quantity);
+          }
+        } else {
+          console.error('Failed to fetch card');
+        }
+      } catch (error) {
+        console.error('Error fetching card:', error);
+      } finally {
+        setLoading(false);
+      }
+    };
+
+    fetchCard();
   }, [id]);
 
+  // Fetch user's collections and decks
+  useEffect(() => {
+    const fetchUserData = async () => {
+      try {
+        // Fetch collections
+        const collectionsResponse = await fetch('/api/collections');
+        if (collectionsResponse.ok) {
+          const collectionsData = await collectionsResponse.json();
+          setCollections(collectionsData);
+        }
+
+        // Fetch decks
+        const decksResponse = await fetch('/api/decks');
+        if (decksResponse.ok) {
+          const decksData = await decksResponse.json();
+          setDecks(decksData);
+        }
+
+        // Fetch card's current collections and decks
+        if (card) {
+          const cardCollectionsResponse = await fetch(`/api/cards/${id}/collections`);
+          if (cardCollectionsResponse.ok) {
+            const cardCollectionsData = await cardCollectionsResponse.json();
+            setCardCollections(cardCollectionsData);
+          }
+
+          const cardDecksResponse = await fetch(`/api/cards/${id}/decks`);
+          if (cardDecksResponse.ok) {
+            const cardDecksData = await cardDecksResponse.json();
+            setCardDecks(cardDecksData);
+          }
+        }
+      } catch (error) {
+        console.error('Error fetching user data:', error);
+      }
+    };
+
+    if (card) {
+      fetchUserData();
+    }
+  }, [card, id]);
+
   const getTCGGradient = (game) => {
     const gradients = {
       'MTG': 'from-purple-600 via-purple-500 to-indigo-600',
@@ -187,6 +116,7 @@ export default function CardDetail() {
   };
 
   const formatCurrency = (amount) => {
+    if (!amount) return '$0.00';
     return new Intl.NumberFormat('en-US', {
       style: 'currency',
       currency: 'USD'
@@ -200,9 +130,120 @@ export default function CardDetail() {
       'rare': 'Rare',
       'mythic': 'Mythic',
       'holographic': 'Holographic',
-      'enchanted': 'Enchanted'
+      'enchanted': 'Enchanted',
+      'super rare': 'Super Rare',
+      'legendary': 'Legendary'
     };
-    return rarityMap[rarity] || rarity;
+    return rarityMap[rarity?.toLowerCase()] || rarity;
+  };
+
+  const getRarityColor = (rarity) => {
+    const colors = {
+      'common': '#6B7280',
+      'uncommon': '#10B981',
+      'rare': '#F59E0B',
+      'mythic': '#FFD700',
+      'holographic': '#FF6B6B',
+      'enchanted': '#A855F7',
+      'super rare': '#3B82F6',
+      'legendary': '#FFD700'
+    };
+    return colors[rarity?.toLowerCase()] || '#6B7280';
+  };
+
+  const handleOwnershipUpdate = async (newQuantity) => {
+    try {
+      const response = await fetch(`/api/cards/${id}/ownership`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ quantity: newQuantity })
+      });
+
+      if (response.ok) {
+        setOwnedQuantity(newQuantity);
+        setShowQuantityModal(false);
+      } else {
+        console.error('Failed to update ownership');
+      }
+    } catch (error) {
+      console.error('Error updating ownership:', error);
+    }
+  };
+
+  const handleAddToCollection = async () => {
+    try {
+      const response = await fetch(`/api/cards/${id}/collections`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ collectionId: selectedCollection })
+      });
+
+      if (response.ok) {
+        // Refresh card collections
+        const cardCollectionsResponse = await fetch(`/api/cards/${id}/collections`);
+        if (cardCollectionsResponse.ok) {
+          const cardCollectionsData = await cardCollectionsResponse.json();
+          setCardCollections(cardCollectionsData);
+        }
+        setShowCollectionModal(false);
+        setSelectedCollection('');
+      } else {
+        console.error('Failed to add to collection');
+      }
+    } catch (error) {
+      console.error('Error adding to collection:', error);
+    }
+  };
+
+  const handleAddToDeck = async () => {
+    try {
+      const response = await fetch(`/api/cards/${id}/decks`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ deckId: selectedDeck })
+      });
+
+      if (response.ok) {
+        // Refresh card decks
+        const cardDecksResponse = await fetch(`/api/cards/${id}/decks`);
+        if (cardDecksResponse.ok) {
+          const cardDecksData = await cardDecksResponse.json();
+          setCardDecks(cardDecksData);
+        }
+        setShowDeckModal(false);
+        setSelectedDeck('');
+      } else {
+        console.error('Failed to add to deck');
+      }
+    } catch (error) {
+      console.error('Error adding to deck:', error);
+    }
+  };
+
+  const handleToggleFavorite = async () => {
+    try {
+      const response = await fetch(`/api/cards/${id}/favorite`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ favorited: !isFavorited })
+      });
+
+      if (response.ok) {
+        setIsFavorited(!isFavorited);
+      } else {
+        console.error('Failed to toggle favorite');
+      }
+    } catch (error) {
+      console.error('Error toggling favorite:', error);
+    }
   };
 
   if (loading) {
@@ -263,22 +304,30 @@ export default function CardDetail() {
                 <div 
                   className="w-80 h-112 rounded-2xl overflow-hidden shadow-2xl transform transition-all duration-300 hover:scale-105"
                   style={{
-                    background: `linear-gradient(135deg, ${card.rarityGradient.replace('from-', '').replace('to-', '')})`,
+                    background: `linear-gradient(135deg, ${getRarityColor(card.rarity)}20, ${getRarityColor(card.rarity)}10)`,
                     boxShadow: `0 20px 40px rgba(0, 0, 0, 0.3)`
                   }}
                 >
-                  <div className="w-full h-full flex items-center justify-center text-white">
-                    <div className="text-center p-8">
-                      <div className="text-6xl mb-4">{getTCGIcon(card.game)}</div>
-                      <h1 className="text-2xl font-bold mb-2">{card.name}</h1>
-                      <p className="text-sm opacity-90">{card.set}</p>
-                      <div className="mt-4">
-                        <span className="px-3 py-1 rounded-full text-xs font-medium bg-white bg-opacity-20 backdrop-blur-sm">
-                          {getRarityLabel(card.rarity)}
-                        </span>
+                  {card.image_url ? (
+                    <img 
+                      src={card.image_url} 
+                      alt={card.name}
+                      className="w-full h-full object-cover"
+                    />
+                  ) : (
+                    <div className="w-full h-full flex items-center justify-center text-white">
+                      <div className="text-center p-8">
+                        <div className="text-6xl mb-4">{getTCGIcon(card.game)}</div>
+                        <h1 className="text-2xl font-bold mb-2">{card.name}</h1>
+                        <p className="text-sm opacity-90">{card.set_name}</p>
+                        <div className="mt-4">
+                          <span className="px-3 py-1 rounded-full text-xs font-medium bg-white bg-opacity-20 backdrop-blur-sm">
+                            {getRarityLabel(card.rarity)}
+                          </span>
+                        </div>
                       </div>
                     </div>
-                  </div>
+                  )}
                 </div>
               </div>
             </div>
@@ -287,7 +336,7 @@ export default function CardDetail() {
             <div className="text-white">
               <div className="mb-6">
                 <h1 className="text-4xl font-bold mb-2">{card.name}</h1>
-                <p className="text-xl opacity-90 mb-4">{card.description}</p>
+                <p className="text-xl opacity-90 mb-4">{card.oracle_text || card.card_type}</p>
                 
                 {/* Ownership Status and Actions */}
                 <div className="mb-4 p-4 rounded-xl bg-white bg-opacity-10 backdrop-blur-sm">
@@ -300,7 +349,7 @@ export default function CardDetail() {
                         </span>
                       )}
                       <button
-                        onClick={() => setIsFavorited(!isFavorited)}
+                        onClick={handleToggleFavorite}
                         className={`p-2 rounded-full transition-all duration-200 ${
                           isFavorited 
                             ? 'bg-red-500 bg-opacity-80 text-white' 
@@ -344,25 +393,30 @@ export default function CardDetail() {
                   </span>
                 </div>
                 <div className="text-3xl font-bold gradient-text-gold">
-                  {formatCurrency(card.value)}
+                  {formatCurrency(card.current_price || 0)}
                 </div>
               </div>
 
-              {/* Quick Actions */}
-              <div className="flex flex-wrap gap-3">
-                {card.purchaseLinks.slice(0, 3).map((link, index) => (
-                  <a
-                    key={index}
-                    href={link.url}
-                    target="_blank"
-                    rel="noopener noreferrer"
-                    className="px-4 py-2 rounded-xl font-medium bg-white bg-opacity-20 backdrop-blur-sm hover:bg-opacity-30 transition-all duration-200 flex items-center gap-2"
-                  >
-                    <span>{link.icon}</span>
-                    {link.name}
-                  </a>
-                ))}
-              </div>
+              {/* Current Collections and Decks */}
+              {(cardCollections.length > 0 || cardDecks.length > 0) && (
+                <div className="mb-6 p-4 rounded-xl bg-white bg-opacity-10 backdrop-blur-sm">
+                  <h4 className="font-semibold mb-3">Currently In:</h4>
+                  <div className="space-y-2">
+                    {cardCollections.map(collection => (
+                      <div key={collection.id} className="flex items-center gap-2 text-sm">
+                        <span>📁</span>
+                        <span>{collection.name}</span>
+                      </div>
+                    ))}
+                    {cardDecks.map(deck => (
+                      <div key={deck.id} className="flex items-center gap-2 text-sm">
+                        <span>🎴</span>
+                        <span>{deck.name}</span>
+                      </div>
+                    ))}
+                  </div>
+                </div>
+              )}
             </div>
           </div>
         </div>
@@ -408,32 +462,24 @@ export default function CardDetail() {
                   </div>
                   <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                     <span style={{ color: 'var(--text-secondary)' }}>Set</span>
-                    <span style={{ color: 'var(--text-primary)' }}>{card.set}</span>
+                    <span style={{ color: 'var(--text-primary)' }}>{card.set_name}</span>
                   </div>
                   <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                     <span style={{ color: 'var(--text-secondary)' }}>Card Number</span>
-                    <span style={{ color: 'var(--text-primary)' }}>{card.cardNumber}</span>
+                    <span style={{ color: 'var(--text-primary)' }}>{card.card_number}</span>
                   </div>
                   <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                     <span style={{ color: 'var(--text-secondary)' }}>Type</span>
-                    <span style={{ color: 'var(--text-primary)' }}>{card.type}</span>
+                    <span style={{ color: 'var(--text-primary)' }}>{card.card_type}</span>
                   </div>
                   <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                     <span style={{ color: 'var(--text-secondary)' }}>Rarity</span>
                     <span style={{ color: 'var(--text-primary)' }}>{getRarityLabel(card.rarity)}</span>
                   </div>
-                  <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
-                    <span style={{ color: 'var(--text-secondary)' }}>Artist</span>
-                    <span style={{ color: 'var(--text-primary)' }}>{card.artist}</span>
-                  </div>
-                  <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
-                    <span style={{ color: 'var(--text-secondary)' }}>Condition</span>
-                    <span style={{ color: 'var(--text-primary)' }}>{card.condition}</span>
-                  </div>
-                  {card.manaCost && (
+                  {card.mana_cost && (
                     <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                       <span style={{ color: 'var(--text-secondary)' }}>Cost to Play</span>
-                      <span style={{ color: 'var(--text-primary)' }}>{card.manaCost}</span>
+                      <span style={{ color: 'var(--text-primary)' }}>{card.mana_cost}</span>
                     </div>
                   )}
                   {card.power && (
@@ -448,30 +494,6 @@ export default function CardDetail() {
                       <span style={{ color: 'var(--text-primary)' }}>{card.toughness}</span>
                     </div>
                   )}
-                  {card.hp && (
-                    <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
-                      <span style={{ color: 'var(--text-secondary)' }}>HP</span>
-                      <span style={{ color: 'var(--text-primary)' }}>{card.hp}</span>
-                    </div>
-                  )}
-                  {card.form && (
-                    <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
-                      <span style={{ color: 'var(--text-secondary)' }}>Form</span>
-                      <span style={{ color: 'var(--text-primary)' }}>{card.form}</span>
-                    </div>
-                  )}
-                  {card.weakness && (
-                    <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
-                      <span style={{ color: 'var(--text-secondary)' }}>Weakness</span>
-                      <span style={{ color: 'var(--text-primary)' }}>{card.weakness}</span>
-                    </div>
-                  )}
-                  {card.retreat_cost && (
-                    <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
-                      <span style={{ color: 'var(--text-secondary)' }}>Retreat Cost</span>
-                      <span style={{ color: 'var(--text-primary)' }}>{card.retreat_cost}</span>
-                    </div>
-                  )}
                   {card.current_price && (
                     <div className="flex justify-between py-3 border-b" style={{ borderColor: 'var(--border)' }}>
                       <span style={{ color: 'var(--text-secondary)' }}>Current Price</span>
@@ -481,41 +503,18 @@ export default function CardDetail() {
                 </div>
               </div>
 
-              {/* Card Text and Rulings */}
+              {/* Card Text */}
               <div className="space-y-6">
                 <h3 className="text-xl font-semibold mb-4" style={{ color: 'var(--text-primary)' }}>
                   Card Text
                 </h3>
                 <div className="space-y-4">
-                  {card.flavorText && (
+                  {card.oracle_text && (
                     <div className="p-4 rounded-xl" style={{ backgroundColor: 'var(--bg-secondary)' }}>
-                      <p className="italic text-sm" style={{ color: 'var(--text-secondary)' }}>
-                        "{card.flavorText}"
-                      </p>
-                    </div>
-                  )}
-                  {card.text && (
-                    <div className="p-4 rounded-xl" style={{ backgroundColor: 'var(--bg-secondary)' }}>
-                      <p style={{ color: 'var(--text-primary)' }}>{card.text}</p>
+                      <p style={{ color: 'var(--text-primary)' }}>{card.oracle_text}</p>
                     </div>
                   )}
                 </div>
-
-                {card.rulings && card.rulings.length > 0 && (
-                  <div className="mt-6">
-                    <h4 className="text-lg font-semibold mb-3" style={{ color: 'var(--text-primary)' }}>
-                      Rulings
-                    </h4>
-                    <ul className="space-y-2">
-                      {card.rulings.map((ruling, index) => (
-                        <li key={index} className="flex items-start gap-2">
-                          <span className="text-xs mt-1">•</span>
-                          <span style={{ color: 'var(--text-secondary)' }}>{ruling}</span>
-                        </li>
-                      ))}
-                    </ul>
-                  </div>
-                )}
               </div>
             </div>
           )}
@@ -526,58 +525,15 @@ export default function CardDetail() {
                 Price History
               </h3>
               
-              {/* Price Graph */}
+              {/* Price Graph Placeholder */}
               <div className="p-6 rounded-xl" style={{ backgroundColor: 'var(--bg-secondary)' }}>
                 <h4 className="text-lg font-semibold mb-6" style={{ color: 'var(--text-primary)' }}>
                   Price Trend
                 </h4>
-                <div className="relative h-64">
-                  {/* Graph Container */}
-                  <div className="absolute inset-0 flex items-end justify-between px-4 pb-4">
-                    {card.priceHistory.map((entry, index) => {
-                      const maxPrice = Math.max(...card.priceHistory.map(p => p.price));
-                      const minPrice = Math.min(...card.priceHistory.map(p => p.price));
-                      const priceRange = maxPrice - minPrice;
-                      const height = priceRange > 0 ? ((entry.price - minPrice) / priceRange) * 100 : 50;
-                      
-                      return (
-                        <div key={index} className="flex flex-col items-center">
-                          {/* Bar */}
-                          <div 
-                            className="w-8 rounded-t-lg transition-all duration-300 hover:scale-110"
-                            style={{
-                              height: `${height}%`,
-                              background: `linear-gradient(135deg, ${card.rarityGradient.replace('from-', '').replace('to-', '')})`,
-                              minHeight: '4px'
-                            }}
-                          ></div>
-                          {/* Price Label */}
-                          <div className="mt-2 text-center">
-                            <div className="text-xs font-semibold" style={{ color: 'var(--text-primary)' }}>
-                              {formatCurrency(entry.price)}
-                            </div>
-                            <div className="text-xs" style={{ color: 'var(--text-secondary)' }}>
-                              {new Date(entry.date).toLocaleDateString('en-US', { month: 'short', day: 'numeric' })}
-                            </div>
-                          </div>
-                        </div>
-                      );
-                    })}
-                  </div>
-                  
-                  {/* Grid Lines */}
-                  <div className="absolute inset-0 pointer-events-none">
-                    {[0, 25, 50, 75, 100].map((line) => (
-                      <div
-                        key={line}
-                        className="absolute w-full border-t border-dashed opacity-20"
-                        style={{
-                          top: `${100 - line}%`,
-                          borderColor: 'var(--border)'
-                        }}
-                      ></div>
-                    ))}
-                  </div>
+                <div className="h-64 flex items-center justify-center">
+                  <p style={{ color: 'var(--text-secondary)' }}>
+                    Price history data will be available soon
+                  </p>
                 </div>
               </div>
 
@@ -595,91 +551,10 @@ export default function CardDetail() {
                       Current Price
                     </h5>
                     <div className="text-xl font-bold gradient-text-gold">
-                      {formatCurrency(card.value)}
+                      {formatCurrency(card.current_price || 0)}
                     </div>
                   </div>
                 </div>
-
-                {/* Lowest Price */}
-                <div className="p-6 rounded-xl border transition-all duration-200 hover:shadow-lg hover:scale-105"
-                  style={{
-                    backgroundColor: 'var(--bg-secondary)',
-                    borderColor: 'var(--border)'
-                  }}>
-                  <div className="text-center">
-                    <div className="text-2xl mb-2">📉</div>
-                    <h5 className="font-semibold mb-2" style={{ color: 'var(--text-primary)' }}>
-                      Lowest Price
-                    </h5>
-                    <div className="text-xl font-bold" style={{ color: 'var(--text-primary)' }}>
-                      {formatCurrency(Math.min(...card.priceHistory.map(p => p.price)))}
-                    </div>
-                  </div>
-                </div>
-
-                {/* Highest Price */}
-                <div className="p-6 rounded-xl border transition-all duration-200 hover:shadow-lg hover:scale-105"
-                  style={{
-                    backgroundColor: 'var(--bg-secondary)',
-                    borderColor: 'var(--border)'
-                  }}>
-                  <div className="text-center">
-                    <div className="text-2xl mb-2">📈</div>
-                    <h5 className="font-semibold mb-2" style={{ color: 'var(--text-primary)' }}>
-                      Highest Price
-                    </h5>
-                    <div className="text-xl font-bold" style={{ color: 'var(--text-primary)' }}>
-                      {formatCurrency(Math.max(...card.priceHistory.map(p => p.price)))}
-                    </div>
-                  </div>
-                </div>
-
-                {/* Average Price */}
-                <div className="p-6 rounded-xl border transition-all duration-200 hover:shadow-lg hover:scale-105"
-                  style={{
-                    backgroundColor: 'var(--bg-secondary)',
-                    borderColor: 'var(--border)'
-                  }}>
-                  <div className="text-center">
-                    <div className="text-2xl mb-2">📊</div>
-                    <h5 className="font-semibold mb-2" style={{ color: 'var(--text-primary)' }}>
-                      Average Price
-                    </h5>
-                    <div className="text-xl font-bold" style={{ color: 'var(--text-primary)' }}>
-                      {formatCurrency(card.priceHistory.reduce((sum, p) => sum + p.price, 0) / card.priceHistory.length)}
-                    </div>
-                  </div>
-                </div>
-              </div>
-
-              {/* Price Change Indicator */}
-              <div className="p-4 rounded-xl" style={{ backgroundColor: 'var(--bg-secondary)' }}>
-                <div className="flex items-center justify-between">
-                  <span style={{ color: 'var(--text-secondary)' }}>Price Change</span>
-                  <div className="flex items-center gap-2">
-                    {(() => {
-                      const firstPrice = card.priceHistory[0].price;
-                      const lastPrice = card.priceHistory[card.priceHistory.length - 1].price;
-                      const change = lastPrice - firstPrice;
-                      const changePercent = ((change / firstPrice) * 100).toFixed(1);
-                      const isPositive = change >= 0;
-                      
-                      return (
-                        <>
-                          <span className={`font-semibold ${isPositive ? 'text-green-500' : 'text-red-500'}`}>
-                            {isPositive ? '+' : ''}{formatCurrency(change)}
-                          </span>
-                          <span className={`text-sm ${isPositive ? 'text-green-500' : 'text-red-500'}`}>
-                            ({isPositive ? '+' : ''}{changePercent}%)
-                          </span>
-                          <span className="text-2xl">
-                            {isPositive ? '📈' : '📉'}
-                          </span>
-                        </>
-                      );
-                    })()}
-                  </div>
-                </div>
               </div>
             </div>
           )}
@@ -690,31 +565,50 @@ export default function CardDetail() {
                 Where to Buy
               </h3>
               <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
-                {card.purchaseLinks.map((link, index) => (
-                  <a
-                    key={index}
-                    href={link.url}
-                    target="_blank"
-                    rel="noopener noreferrer"
-                    className="p-6 rounded-xl border transition-all duration-200 hover:shadow-lg hover:scale-105"
-                    style={{
-                      backgroundColor: 'var(--bg-secondary)',
-                      borderColor: 'var(--border)'
-                    }}
-                  >
-                    <div className="flex items-center gap-3">
-                      <span className="text-2xl">{link.icon}</span>
-                      <div>
-                        <h4 className="font-semibold" style={{ color: 'var(--text-primary)' }}>
-                          {link.name}
-                        </h4>
-                        <p className="text-sm" style={{ color: 'var(--text-secondary)' }}>
-                          View on {link.name}
-                        </p>
-                      </div>
+                <a
+                  href={`https://www.tcgplayer.com/search/${card.game.toLowerCase()}/product?productName=${encodeURIComponent(card.name)}`}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="p-6 rounded-xl border transition-all duration-200 hover:shadow-lg hover:scale-105"
+                  style={{
+                    backgroundColor: 'var(--bg-secondary)',
+                    borderColor: 'var(--border)'
+                  }}
+                >
+                  <div className="flex items-center gap-3">
+                    <span className="text-2xl">🃏</span>
+                    <div>
+                      <h4 className="font-semibold" style={{ color: 'var(--text-primary)' }}>
+                        TCGPlayer
+                      </h4>
+                      <p className="text-sm" style={{ color: 'var(--text-secondary)' }}>
+                        View on TCGPlayer
+                      </p>
                     </div>
-                  </a>
-                ))}
+                  </div>
+                </a>
+                <a
+                  href={`https://www.ebay.com/sch/i.html?_nkw=${encodeURIComponent(card.name + ' ' + card.game)}`}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="p-6 rounded-xl border transition-all duration-200 hover:shadow-lg hover:scale-105"
+                  style={{
+                    backgroundColor: 'var(--bg-secondary)',
+                    borderColor: 'var(--border)'
+                  }}
+                >
+                  <div className="flex items-center gap-3">
+                    <span className="text-2xl">🛒</span>
+                    <div>
+                      <h4 className="font-semibold" style={{ color: 'var(--text-primary)' }}>
+                        eBay
+                      </h4>
+                      <p className="text-sm" style={{ color: 'var(--text-secondary)' }}>
+                        View on eBay
+                      </p>
+                    </div>
+                  </div>
+                </a>
               </div>
             </div>
           )}
@@ -762,10 +656,7 @@ export default function CardDetail() {
             </div>
             <div className="flex gap-3">
               <button
-                onClick={() => {
-                  setOwnedQuantity(quantity);
-                  setShowQuantityModal(false);
-                }}
+                onClick={() => handleOwnershipUpdate(quantity)}
                 className="flex-1 px-4 py-2 rounded-xl font-medium gradient-bg-purple text-white hover:shadow-lg transition-all duration-200"
               >
                 {ownedQuantity > 0 ? 'Update' : 'Mark as Owned'}
@@ -807,7 +698,7 @@ export default function CardDetail() {
                 }}
               >
                 <option value="">Choose a collection...</option>
-                {mockCollections
+                {collections
                   .filter(collection => collection.game === card.game)
                   .map(collection => (
                     <option key={collection.id} value={collection.id}>
@@ -818,14 +709,7 @@ export default function CardDetail() {
             </div>
             <div className="flex gap-3">
               <button
-                onClick={() => {
-                  if (selectedCollection) {
-                    // Here you would typically make an API call to add the card to the collection
-                    alert(`Added ${card.name} to collection!`);
-                    setShowCollectionModal(false);
-                    setSelectedCollection('');
-                  }
-                }}
+                onClick={handleAddToCollection}
                 disabled={!selectedCollection}
                 className={`flex-1 px-4 py-2 rounded-xl font-medium transition-all duration-200 ${
                   selectedCollection 
@@ -875,7 +759,7 @@ export default function CardDetail() {
                 }}
               >
                 <option value="">Choose a deck...</option>
-                {mockDecks
+                {decks
                   .filter(deck => deck.game === card.game)
                   .map(deck => (
                     <option key={deck.id} value={deck.id}>
@@ -886,14 +770,7 @@ export default function CardDetail() {
             </div>
             <div className="flex gap-3">
               <button
-                onClick={() => {
-                  if (selectedDeck) {
-                    // Here you would typically make an API call to add the card to the deck
-                    alert(`Added ${card.name} to deck!`);
-                    setShowDeckModal(false);
-                    setSelectedDeck('');
-                  }
-                }}
+                onClick={handleAddToDeck}
                 disabled={!selectedDeck}
                 className={`flex-1 px-4 py-2 rounded-xl font-medium transition-all duration-200 ${
                   selectedDeck 
diff --git a/scripts/add-card-columns.js b/scripts/add-card-columns.js
new file mode 100644
index 0000000..6e94ad0
--- /dev/null
+++ b/scripts/add-card-columns.js
@@ -0,0 +1,43 @@
+#!/usr/bin/env node
+
+/**
+ * Add missing columns to cards table
+ * 
+ * This script adds quantity and favorited columns to the cards table.
+ */
+
+import dotenv from 'dotenv';
+import { neon } from '@neondatabase/serverless';
+
+// Load environment variables from .env.local
+dotenv.config({ path: '.env.local' });
+
+async function addCardColumns() {
+  const sql = neon(process.env.POSTGRES_URL);
+
+  try {
+    console.log('✅ Connecting to Neon database...');
+
+    // Add quantity column
+    await sql`
+      ALTER TABLE cards 
+      ADD COLUMN IF NOT EXISTS quantity INTEGER DEFAULT 0
+    `;
+    console.log('✅ Added quantity column to cards table');
+
+    // Add favorited column
+    await sql`
+      ALTER TABLE cards 
+      ADD COLUMN IF NOT EXISTS favorited BOOLEAN DEFAULT false
+    `;
+    console.log('✅ Added favorited column to cards table');
+
+    console.log('🎉 Card columns added successfully!');
+
+  } catch (error) {
+    console.error('❌ Failed to add columns:', error.message);
+    process.exit(1);
+  }
+}
+
+addCardColumns(); 
\ No newline at end of file