diff --git a/src/components/scanner/AutoScanningCamera.tsx b/src/components/scanner/AutoScanningCamera.tsx
index 8fdc154..e8758b0 100644
--- a/src/components/scanner/AutoScanningCamera.tsx
+++ b/src/components/scanner/AutoScanningCamera.tsx
@@ -376,7 +376,7 @@ const AutoScanningCamera: React.FC<AutoScanningCameraProps> = ({
   };
 
   return (
-    <div className="relative">
+    <div className="relative px-4 sm:px-0">
       {/* Scanning Toast */}
       <ScanningToast
         isVisible={scanState.isScanning || scanState.isProcessing || !!scanState.message}
@@ -387,12 +387,12 @@ const AutoScanningCamera: React.FC<AutoScanningCameraProps> = ({
 
       {/* OCR Configuration Warning */}
       {!isOcrConfigured && isStreaming && (
-        <div className="mb-4 bg-yellow-50 border border-yellow-200 rounded-lg p-4">
-          <div className="flex items-center">
-            <span className="text-yellow-600 text-xl mr-3">⚠️</span>
-            <div>
-              <p className="font-medium text-yellow-900">OCR Not Configured</p>
-              <p className="text-yellow-700 text-sm">
+        <div className="mb-4 bg-yellow-50 border border-yellow-200 rounded-xl p-4">
+          <div className="flex items-start">
+            <span className="text-yellow-600 text-xl mr-3 flex-shrink-0 mt-0.5">⚠️</span>
+            <div className="flex-1 min-w-0">
+              <p className="font-medium text-yellow-900 text-sm sm:text-base">OCR Not Configured</p>
+              <p className="text-yellow-700 text-sm mt-1">
                 Please configure your OpenAI API key in Settings to enable card scanning.
               </p>
             </div>
@@ -400,39 +400,61 @@ const AutoScanningCamera: React.FC<AutoScanningCameraProps> = ({
         </div>
       )}
 
-      {/* Camera Preview */}
-      <div className="relative bg-black rounded-lg overflow-hidden">
+      {/* Camera Preview - Mobile optimized */}
+      <div className="relative bg-black rounded-xl overflow-hidden shadow-lg">
         <video
           ref={videoRef}
           autoPlay
           playsInline
           muted
-          className="w-full h-auto max-h-96 object-cover"
-          style={{ minHeight: '300px' }}
+          className="w-full h-auto object-cover"
+          style={{ 
+            minHeight: '280px',
+            maxHeight: 'calc(100vh - 300px)',
+            aspectRatio: '4/3'
+          }}
         />
 
         {/* Scan Guide Overlay */}
         {isStreaming && (
           <div className="absolute inset-0 pointer-events-none">
-            {/* Card frame guide */}
-            <div className="absolute inset-4 border-2 border-white border-dashed rounded-lg flex items-center justify-center">
-              <div className="bg-black bg-opacity-50 text-white px-4 py-2 rounded-lg text-sm text-center">
-                <div className="font-medium">Position card within this area</div>
-                <div className="text-xs opacity-75">
+            {/* Card frame guide - Mobile optimized */}
+            <div className="absolute inset-4 sm:inset-6 border-2 border-white border-dashed rounded-lg flex items-center justify-center">
+              <div className="bg-black bg-opacity-60 text-white px-4 py-3 rounded-xl text-center max-w-xs">
+                <div className="font-medium text-sm sm:text-base mb-1">Position card within this area</div>
+                <div className="text-xs sm:text-sm opacity-90">
                   {isOcrConfigured ? 'Auto-scan in 2-3 seconds' : 'Configure OCR in Settings first'}
                 </div>
               </div>
             </div>
 
-            {/* Queue counter */}
-            <div className="absolute top-4 right-4 bg-blue-600 text-white px-3 py-1 rounded-full text-sm font-medium">
+            {/* Queue counter - Mobile positioned */}
+            <div className="absolute top-3 right-3 sm:top-4 sm:right-4 bg-blue-600 text-white px-3 py-1.5 rounded-full text-xs sm:text-sm font-medium shadow-lg">
               Queue: {queueCount}/{maxQueueSize}
             </div>
 
             {/* Scanning indicator */}
             {scanState.isScanning && (
-              <div className="absolute inset-0 bg-blue-500 bg-opacity-20 border-2 border-blue-500 rounded-lg animate-pulse" />
+              <div className="absolute inset-0 bg-blue-500 bg-opacity-20 border-2 border-blue-500 rounded-xl animate-pulse" />
             )}
+
+            {/* Camera controls overlay - Mobile */}
+            <div className="absolute bottom-4 left-4 right-4 flex justify-center">
+              <div className="bg-black bg-opacity-50 backdrop-blur-sm rounded-full px-4 py-2">
+                <div className="flex items-center space-x-3 text-white text-xs">
+                  <div className="flex items-center space-x-1">
+                    <div className="w-2 h-2 bg-green-400 rounded-full animate-pulse"></div>
+                    <span>Live</span>
+                  </div>
+                  {scanState.isScanning && (
+                    <div className="flex items-center space-x-1">
+                      <div className="w-2 h-2 bg-blue-400 rounded-full animate-pulse"></div>
+                      <span>Scanning...</span>
+                    </div>
+                  )}
+                </div>
+              </div>
+            </div>
           </div>
         )}
 
@@ -440,8 +462,9 @@ const AutoScanningCamera: React.FC<AutoScanningCameraProps> = ({
         {!isStreaming && (
           <div className="absolute inset-0 flex items-center justify-center">
             <div className="text-white text-center">
-              <div className="text-4xl mb-2">📹</div>
-              <div className="font-medium">Starting Camera...</div>
+              <div className="text-4xl sm:text-5xl mb-3">📹</div>
+              <div className="font-medium text-base sm:text-lg">Starting Camera...</div>
+              <div className="text-sm sm:text-base opacity-75 mt-1">Please allow camera access</div>
             </div>
           </div>
         )}
@@ -450,19 +473,31 @@ const AutoScanningCamera: React.FC<AutoScanningCameraProps> = ({
       {/* Hidden canvas for image capture */}
       <canvas ref={canvasRef} className="hidden" />
 
-      {/* Manual scan button */}
+      {/* Manual scan button - Mobile optimized */}
       {isStreaming && (
-        <div className="mt-4 text-center">
+        <div className="mt-6 text-center">
           <button
             onClick={manualScan}
             disabled={scanState.isProcessing || queueCount >= maxQueueSize || !isOcrConfigured}
-            className="bg-blue-600 hover:bg-blue-700 disabled:bg-gray-400 text-white px-6 py-2 rounded-lg font-medium transition-colors"
+            className="w-full sm:w-auto bg-blue-600 hover:bg-blue-700 disabled:bg-gray-400 text-white px-8 py-4 sm:px-6 sm:py-3 rounded-xl font-medium transition-all duration-200 shadow-lg hover:shadow-xl disabled:shadow-none text-base sm:text-sm"
           >
-            {scanState.isProcessing ? 'Processing...' : !isOcrConfigured ? 'Configure OCR First' : 'Manual Scan'}
+            {scanState.isProcessing ? (
+              <div className="flex items-center justify-center space-x-2">
+                <div className="animate-spin rounded-full h-5 w-5 border-2 border-white border-t-transparent"></div>
+                <span>Processing...</span>
+              </div>
+            ) : !isOcrConfigured ? (
+              'Configure OCR First'
+            ) : (
+              <div className="flex items-center justify-center space-x-2">
+                <span>📷</span>
+                <span>Manual Scan</span>
+              </div>
+            )}
           </button>
           
           {!isOcrConfigured && (
-            <p className="text-sm text-gray-600 mt-2">
+            <p className="text-sm text-gray-600 mt-3 px-4">
               Go to Settings → OCR to configure your OpenAI API key
             </p>
           )}
diff --git a/src/components/scanner/BulkOperations.tsx b/src/components/scanner/BulkOperations.tsx
index 0161184..3edf425 100644
--- a/src/components/scanner/BulkOperations.tsx
+++ b/src/components/scanner/BulkOperations.tsx
@@ -66,29 +66,31 @@ const BulkOperations: React.FC<BulkOperationsProps> = ({
   };
 
   return (
-    <div className="bg-white border-t border-gray-200 p-4 space-y-4">
-      <div className="flex items-center justify-between">
-        <h3 className="text-lg font-semibold text-gray-900">
+    <div className="bg-white border-t border-gray-200 px-4 py-6 sm:px-6">
+      {/* Header - Mobile optimized */}
+      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4 mb-6">
+        <h3 className="text-lg sm:text-xl font-semibold text-gray-900">
           Bulk Operations ({selectedCount} selected)
         </h3>
         
         <button
           onClick={onRemoveSelected}
-          className="text-red-600 hover:text-red-700 text-sm font-medium"
+          className="self-start sm:self-auto px-4 py-2 text-sm bg-red-50 text-red-700 rounded-lg hover:bg-red-100 active:bg-red-200 transition-colors font-medium"
           disabled={isProcessing}
         >
           Remove Selected
         </button>
       </div>
 
-      <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
+      {/* Operations Grid - Mobile-first responsive */}
+      <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
         {/* Add to Collection */}
-        <div className="space-y-2">
-          <h4 className="font-medium text-gray-700">Add to Collection</h4>
+        <div className="space-y-4">
+          <h4 className="font-medium text-gray-900 text-base">Add to Collection</h4>
           
           {collections.length > 0 && (
             <select
-              className="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
+              className="w-full px-4 py-3 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500 bg-white"
               onChange={(e) => e.target.value && onAddToCollection(e.target.value)}
               defaultValue=""
               disabled={isProcessing}
@@ -103,34 +105,36 @@ const BulkOperations: React.FC<BulkOperationsProps> = ({
           )}
 
           {showNewCollection ? (
-            <div className="flex space-x-2">
+            <div className="space-y-3">
               <input
                 type="text"
                 value={newCollectionName}
                 onChange={(e) => setNewCollectionName(e.target.value)}
                 placeholder="Collection name..."
-                className="flex-1 px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
+                className="w-full px-4 py-3 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
                 disabled={isProcessing}
               />
-              <button
-                onClick={handleCreateCollection}
-                className="px-3 py-2 bg-blue-600 text-white rounded-md text-sm hover:bg-blue-700 disabled:bg-gray-400"
-                disabled={!newCollectionName.trim() || isProcessing}
-              >
-                Create
-              </button>
-              <button
-                onClick={() => setShowNewCollection(false)}
-                className="px-3 py-2 bg-gray-300 text-gray-700 rounded-md text-sm hover:bg-gray-400"
-                disabled={isProcessing}
-              >
-                Cancel
-              </button>
+              <div className="flex gap-2">
+                <button
+                  onClick={handleCreateCollection}
+                  className="flex-1 px-4 py-3 bg-blue-600 text-white rounded-xl text-sm font-medium hover:bg-blue-700 active:bg-blue-800 disabled:bg-gray-400 transition-colors"
+                  disabled={!newCollectionName.trim() || isProcessing}
+                >
+                  Create
+                </button>
+                <button
+                  onClick={() => setShowNewCollection(false)}
+                  className="px-4 py-3 bg-gray-100 text-gray-700 rounded-xl text-sm font-medium hover:bg-gray-200 active:bg-gray-300 transition-colors"
+                  disabled={isProcessing}
+                >
+                  Cancel
+                </button>
+              </div>
             </div>
           ) : (
             <button
               onClick={() => setShowNewCollection(true)}
-              className="w-full px-3 py-2 border-2 border-dashed border-gray-300 rounded-md text-sm text-gray-600 hover:border-blue-400 hover:text-blue-600 transition-colors"
+              className="w-full px-4 py-3 border-2 border-dashed border-gray-300 rounded-xl text-sm text-gray-600 hover:border-blue-400 hover:text-blue-600 active:border-blue-500 transition-colors font-medium"
               disabled={isProcessing}
             >
               + Create New Collection
@@ -139,12 +143,12 @@ const BulkOperations: React.FC<BulkOperationsProps> = ({
         </div>
 
         {/* Add to Deck */}
-        <div className="space-y-2">
-          <h4 className="font-medium text-gray-700">Add to Deck</h4>
+        <div className="space-y-4">
+          <h4 className="font-medium text-gray-900 text-base">Add to Deck</h4>
           
           {decks.length > 0 && (
             <select
-              className="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
+              className="w-full px-4 py-3 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500 bg-white"
               onChange={(e) => e.target.value && onAddToDeck(e.target.value)}
               defaultValue=""
               disabled={isProcessing}
@@ -159,34 +163,36 @@ const BulkOperations: React.FC<BulkOperationsProps> = ({
           )}
 
           {showNewDeck ? (
-            <div className="flex space-x-2">
+            <div className="space-y-3">
               <input
                 type="text"
                 value={newDeckName}
                 onChange={(e) => setNewDeckName(e.target.value)}
                 placeholder="Deck name..."
-                className="flex-1 px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
+                className="w-full px-4 py-3 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
                 disabled={isProcessing}
               />
-              <button
-                onClick={handleCreateDeck}
-                className="px-3 py-2 bg-purple-600 text-white rounded-md text-sm hover:bg-purple-700 disabled:bg-gray-400"
-                disabled={!newDeckName.trim() || isProcessing}
-              >
-                Create
-              </button>
-              <button
-                onClick={() => setShowNewDeck(false)}
-                className="px-3 py-2 bg-gray-300 text-gray-700 rounded-md text-sm hover:bg-gray-400"
-                disabled={isProcessing}
-              >
-                Cancel
-              </button>
+              <div className="flex gap-2">
+                <button
+                  onClick={handleCreateDeck}
+                  className="flex-1 px-4 py-3 bg-purple-600 text-white rounded-xl text-sm font-medium hover:bg-purple-700 active:bg-purple-800 disabled:bg-gray-400 transition-colors"
+                  disabled={!newDeckName.trim() || isProcessing}
+                >
+                  Create
+                </button>
+                <button
+                  onClick={() => setShowNewDeck(false)}
+                  className="px-4 py-3 bg-gray-100 text-gray-700 rounded-xl text-sm font-medium hover:bg-gray-200 active:bg-gray-300 transition-colors"
+                  disabled={isProcessing}
+                >
+                  Cancel
+                </button>
+              </div>
             </div>
           ) : (
             <button
               onClick={() => setShowNewDeck(true)}
-              className="w-full px-3 py-2 border-2 border-dashed border-gray-300 rounded-md text-sm text-gray-600 hover:border-purple-400 hover:text-purple-600 transition-colors"
+              className="w-full px-4 py-3 border-2 border-dashed border-gray-300 rounded-xl text-sm text-gray-600 hover:border-purple-400 hover:text-purple-600 active:border-purple-500 transition-colors font-medium"
               disabled={isProcessing}
             >
               + Create New Deck
@@ -195,31 +201,31 @@ const BulkOperations: React.FC<BulkOperationsProps> = ({
         </div>
 
         {/* Add Tags */}
-        <div className="space-y-2">
-          <h4 className="font-medium text-gray-700">Add Tags</h4>
+        <div className="space-y-4">
+          <h4 className="font-medium text-gray-900 text-base">Add Tags</h4>
           
           {showTagInput ? (
-            <div className="space-y-2">
+            <div className="space-y-3">
               <input
                 type="text"
                 value={tagInput}
                 onChange={(e) => setTagInput(e.target.value)}
                 placeholder="Enter tags (comma-separated)..."
-                className="w-full px-3 py-2 border border-gray-300 rounded-md text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
+                className="w-full px-4 py-3 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
                 disabled={isProcessing}
                 onKeyPress={(e) => e.key === 'Enter' && handleAddTags()}
               />
-              <div className="flex space-x-2">
+              <div className="flex gap-2">
                 <button
                   onClick={handleAddTags}
-                  className="px-3 py-2 bg-green-600 text-white rounded-md text-sm hover:bg-green-700 disabled:bg-gray-400"
+                  className="flex-1 px-4 py-3 bg-green-600 text-white rounded-xl text-sm font-medium hover:bg-green-700 active:bg-green-800 disabled:bg-gray-400 transition-colors"
                   disabled={!tagInput.trim() || isProcessing}
                 >
                   Add Tags
                 </button>
                 <button
                   onClick={() => setShowTagInput(false)}
-                  className="px-3 py-2 bg-gray-300 text-gray-700 rounded-md text-sm hover:bg-gray-400"
+                  className="px-4 py-3 bg-gray-100 text-gray-700 rounded-xl text-sm font-medium hover:bg-gray-200 active:bg-gray-300 transition-colors"
                   disabled={isProcessing}
                 >
                   Cancel
@@ -229,34 +235,39 @@ const BulkOperations: React.FC<BulkOperationsProps> = ({
           ) : (
             <button
               onClick={() => setShowTagInput(true)}
-              className="w-full px-3 py-2 border-2 border-dashed border-gray-300 rounded-md text-sm text-gray-600 hover:border-green-400 hover:text-green-600 transition-colors"
+              className="w-full px-4 py-3 border-2 border-dashed border-gray-300 rounded-xl text-sm text-gray-600 hover:border-green-400 hover:text-green-600 active:border-green-500 transition-colors font-medium"
               disabled={isProcessing}
             >
               + Add Tags
             </button>
           )}
 
-          {/* Common Tag Suggestions */}
-          <div className="flex flex-wrap gap-1">
-            {['Foil', 'Mint', 'Near Mint', 'Played', 'Favorite'].map(tag => (
-              <button
-                key={tag}
-                onClick={() => onAddTags([tag])}
-                className="px-2 py-1 bg-gray-100 text-gray-700 rounded text-xs hover:bg-gray-200 transition-colors"
-                disabled={isProcessing}
-              >
-                {tag}
-              </button>
-            ))}
+          {/* Common Tag Suggestions - Mobile friendly */}
+          <div className="space-y-3">
+            <p className="text-xs text-gray-500 font-medium">Quick Tags:</p>
+            <div className="flex flex-wrap gap-2">
+              {['Foil', 'Mint', 'Near Mint', 'Played', 'Favorite'].map(tag => (
+                <button
+                  key={tag}
+                  onClick={() => onAddTags([tag])}
+                  className="px-3 py-2 bg-gray-100 text-gray-700 rounded-lg text-xs font-medium hover:bg-gray-200 active:bg-gray-300 transition-colors"
+                  disabled={isProcessing}
+                >
+                  {tag}
+                </button>
+              ))}
+            </div>
           </div>
         </div>
       </div>
 
       {/* Processing Indicator */}
       {isProcessing && (
-        <div className="flex items-center justify-center py-4">
-          <div className="animate-spin rounded-full h-6 w-6 border-2 border-blue-600 border-t-transparent"></div>
-          <span className="ml-2 text-sm text-gray-600">Processing...</span>
+        <div className="flex items-center justify-center py-8 mt-6 border-t border-gray-100">
+          <div className="flex items-center space-x-3">
+            <div className="animate-spin rounded-full h-6 w-6 border-2 border-blue-600 border-t-transparent"></div>
+            <span className="text-sm text-gray-600 font-medium">Processing...</span>
+          </div>
         </div>
       )}
     </div>
diff --git a/src/components/scanner/CardQueue.tsx b/src/components/scanner/CardQueue.tsx
index fed0568..d1b4b24 100644
--- a/src/components/scanner/CardQueue.tsx
+++ b/src/components/scanner/CardQueue.tsx
@@ -56,148 +56,165 @@ const CardQueue: React.FC<CardQueueProps> = ({
 
   if (cards.length === 0) {
     return (
-      <div className="text-center py-12">
-        <div className="text-6xl mb-4">📷</div>
-        <h3 className="text-xl font-semibold text-gray-700 mb-2">Queue is Empty</h3>
-        <p className="text-gray-500">Scanned cards will appear here</p>
+      <div className="text-center py-16 px-4">
+        <div className="text-6xl sm:text-7xl mb-4">📷</div>
+        <h3 className="text-xl sm:text-2xl font-semibold text-gray-700 mb-2">Queue is Empty</h3>
+        <p className="text-gray-500 text-sm sm:text-base">Scanned cards will appear here</p>
       </div>
     );
   }
 
   return (
-    <div className="space-y-4">
-      {/* Queue Header */}
-      <div className="flex items-center justify-between p-4 bg-gray-50 rounded-lg">
-        <div className="flex items-center space-x-4">
-          <h3 className="text-lg font-semibold text-gray-900">
-            Scanned Cards ({cards.length}/100)
-          </h3>
-          
-          {/* Select All Checkbox */}
-          <label className="flex items-center space-x-2 cursor-pointer">
-            <input
-              type="checkbox"
-              checked={selectAll}
-              onChange={handleSelectAll}
-              className="w-4 h-4 text-blue-600 rounded focus:ring-blue-500"
-            />
-            <span className="text-sm text-gray-700">Select All</span>
-          </label>
-        </div>
+    <div className="space-y-4 px-4 sm:px-0">
+      {/* Queue Header - Mobile optimized */}
+      <div className="bg-white rounded-xl shadow-sm border border-gray-100 p-4 sm:p-6">
+        <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
+          <div className="flex flex-col sm:flex-row sm:items-center gap-3 sm:gap-4">
+            <h3 className="text-lg sm:text-xl font-semibold text-gray-900">
+              Scanned Cards ({cards.length}/100)
+            </h3>
+            
+            {/* Select All Checkbox - Touch friendly */}
+            <label className="flex items-center space-x-2 cursor-pointer select-none">
+              <input
+                type="checkbox"
+                checked={selectAll}
+                onChange={handleSelectAll}
+                className="w-5 h-5 sm:w-4 sm:h-4 text-blue-600 rounded focus:ring-blue-500 focus:ring-2"
+              />
+              <span className="text-sm sm:text-sm text-gray-700 font-medium">Select All</span>
+            </label>
+          </div>
 
-        {/* Bulk Actions */}
-        <div className="flex items-center space-x-2">
-          {selectedCards.size > 0 && (
-            <span className="text-sm text-gray-600 bg-blue-100 px-2 py-1 rounded">
-              {selectedCards.size} selected
-            </span>
-          )}
-          
-          <button
-            onClick={onClearQueue}
-            className="px-3 py-1 text-sm bg-red-100 text-red-700 rounded hover:bg-red-200 transition-colors"
-          >
-            Clear All
-          </button>
+          {/* Bulk Actions */}
+          <div className="flex items-center justify-between sm:justify-end gap-2">
+            {selectedCards.size > 0 && (
+              <span className="text-xs sm:text-sm text-gray-600 bg-blue-50 px-3 py-1.5 rounded-full font-medium">
+                {selectedCards.size} selected
+              </span>
+            )}
+            
+            <button
+              onClick={onClearQueue}
+              className="px-4 py-2 text-sm bg-red-50 text-red-700 rounded-lg hover:bg-red-100 active:bg-red-200 transition-colors font-medium"
+            >
+              Clear All
+            </button>
+          </div>
         </div>
       </div>
 
-      {/* Card Grid */}
+      {/* Card Grid - Mobile-first responsive */}
       <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-4">
         {cards.map((card) => (
           <div
             key={card.id}
-            className={`relative bg-white rounded-lg shadow-md overflow-hidden transition-all duration-200 hover:shadow-lg ${
-              selectedCards.has(card.id) ? 'ring-2 ring-blue-500' : ''
+            className={`relative bg-white rounded-xl shadow-sm border-2 transition-all duration-200 hover:shadow-md ${
+              selectedCards.has(card.id) 
+                ? 'border-blue-500 bg-blue-50/30' 
+                : 'border-gray-100 hover:border-gray-200'
             }`}
           >
-            {/* Selection Checkbox */}
-            <div className="absolute top-2 left-2 z-10">
-              <input
-                type="checkbox"
-                checked={selectedCards.has(card.id)}
-                onChange={(e) => onCardSelect(card.id, e.target.checked)}
-                className="w-4 h-4 text-blue-600 rounded focus:ring-blue-500 bg-white shadow-sm"
-              />
+            {/* Selection Checkbox - Mobile optimized */}
+            <div className="absolute top-3 left-3 z-10">
+              <label className="cursor-pointer">
+                <input
+                  type="checkbox"
+                  checked={selectedCards.has(card.id)}
+                  onChange={(e) => onCardSelect(card.id, e.target.checked)}
+                  className="w-5 h-5 text-blue-600 rounded focus:ring-blue-500 focus:ring-2 bg-white shadow-sm"
+                />
+              </label>
             </div>
 
-            {/* Remove Button */}
+            {/* Remove Button - Touch friendly */}
             <button
               onClick={() => onRemoveCard(card.id)}
-              className="absolute top-2 right-2 z-10 w-6 h-6 bg-red-500 text-white rounded-full text-xs hover:bg-red-600 transition-colors flex items-center justify-center"
+              className="absolute top-3 right-3 z-10 w-8 h-8 bg-red-500 text-white rounded-full text-sm hover:bg-red-600 active:bg-red-700 transition-colors flex items-center justify-center shadow-sm"
+              aria-label="Remove card"
             >
               ×
             </button>
 
-            {/* Card Image */}
+            {/* Card Image - Touch optimized */}
             <div 
-              className="aspect-[2.5/3.5] bg-gray-100 cursor-pointer overflow-hidden"
+              className="aspect-[2.5/3.5] bg-gray-100 cursor-pointer overflow-hidden rounded-t-xl"
               onClick={() => onViewCard(card)}
             >
               <img
                 src={card.imageDataUrl}
                 alt={card.cardData.cardName || 'Scanned card'}
-                className="w-full h-full object-cover hover:scale-105 transition-transform duration-200"
+                className="w-full h-full object-cover transition-transform duration-200 hover:scale-105"
               />
             </div>
 
-            {/* Card Info */}
-            <div className="p-3 space-y-2">
-              <div className="flex items-start justify-between">
+            {/* Card Info - Mobile optimized */}
+            <div className="p-4 space-y-3">
+              <div className="flex items-start justify-between gap-2">
                 <div className="flex-1 min-w-0">
-                  <h4 className="font-medium text-gray-900 truncate text-sm">
+                  <h4 className="font-medium text-gray-900 text-sm leading-tight line-clamp-2">
                     {card.cardData.cardName || 'Unknown Card'}
                   </h4>
                   {card.cardData.setName && (
-                    <p className="text-xs text-gray-500 truncate">
+                    <p className="text-xs text-gray-500 mt-1 line-clamp-1">
                       {card.cardData.setName}
                     </p>
                   )}
                 </div>
 
-                {/* Confidence Badge */}
-                <div className={`px-2 py-1 rounded-full text-xs font-medium text-white ${getConfidenceColor(card.cardData.confidence)}`}>
+                {/* Confidence Badge - Mobile sized */}
+                <div className={`px-2 py-1 rounded-full text-xs font-medium text-white flex-shrink-0 ${getConfidenceColor(card.cardData.confidence)}`}>
                   {getConfidenceText(card.cardData.confidence)}
                 </div>
               </div>
 
               {/* Additional Info */}
               <div className="flex items-center justify-between text-xs text-gray-500">
-                <span>{card.cardData.game || 'Unknown Game'}</span>
+                <span className="truncate">{card.cardData.game || 'Unknown Game'}</span>
                 {card.cardData.rarity && (
-                  <span className="capitalize">{card.cardData.rarity}</span>
+                  <span className="capitalize flex-shrink-0 ml-2">{card.cardData.rarity}</span>
                 )}
               </div>
 
               {/* Queue Position */}
-              <div className="text-xs text-gray-400">
-                #{card.queuePosition}
+              <div className="flex items-center justify-between">
+                <div className="text-xs text-gray-400">
+                  #{card.queuePosition}
+                </div>
+                <div className="text-xs text-gray-400">
+                  {new Date(card.timestamp).toLocaleTimeString([], { 
+                    hour: '2-digit', 
+                    minute: '2-digit' 
+                  })}
+                </div>
               </div>
             </div>
           </div>
         ))}
       </div>
 
-      {/* Queue Stats */}
-      <div className="flex items-center justify-between text-sm text-gray-600 p-4 bg-gray-50 rounded-lg">
-        <div className="flex items-center space-x-4">
-          <span>Total: {cards.length} cards</span>
-          <span>Selected: {selectedCards.size}</span>
-        </div>
-        
-        <div className="flex items-center space-x-4">
-          <span className="flex items-center space-x-1">
-            <div className="w-2 h-2 bg-green-500 rounded-full"></div>
-            <span>High confidence</span>
-          </span>
-          <span className="flex items-center space-x-1">
-            <div className="w-2 h-2 bg-yellow-500 rounded-full"></div>
-            <span>Medium</span>
-          </span>
-          <span className="flex items-center space-x-1">
-            <div className="w-2 h-2 bg-red-500 rounded-full"></div>
-            <span>Low</span>
-          </span>
+      {/* Queue Stats - Mobile friendly */}
+      <div className="bg-white rounded-xl shadow-sm border border-gray-100 p-4 sm:p-6">
+        <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
+          <div className="flex flex-wrap items-center gap-3 sm:gap-4">
+            <span className="text-sm font-medium text-gray-900">Total: {cards.length} cards</span>
+            <span className="text-sm text-gray-600">Selected: {selectedCards.size}</span>
+          </div>
+          
+          <div className="flex flex-wrap items-center gap-3 sm:gap-4">
+            <span className="flex items-center space-x-1.5 text-xs sm:text-sm">
+              <div className="w-2.5 h-2.5 bg-green-500 rounded-full"></div>
+              <span className="text-gray-600">High confidence</span>
+            </span>
+            <span className="flex items-center space-x-1.5 text-xs sm:text-sm">
+              <div className="w-2.5 h-2.5 bg-yellow-500 rounded-full"></div>
+              <span className="text-gray-600">Medium</span>
+            </span>
+            <span className="flex items-center space-x-1.5 text-xs sm:text-sm">
+              <div className="w-2.5 h-2.5 bg-red-500 rounded-full"></div>
+              <span className="text-gray-600">Low</span>
+            </span>
+          </div>
         </div>
       </div>
     </div>
diff --git a/src/components/scanner/ScanModeSelector.tsx b/src/components/scanner/ScanModeSelector.tsx
index 065a30f..c437e89 100644
--- a/src/components/scanner/ScanModeSelector.tsx
+++ b/src/components/scanner/ScanModeSelector.tsx
@@ -19,68 +19,104 @@ const ScanModeSelector: React.FC<ScanModeSelectorProps> = ({ onModeSelect }) =>
       title: 'Add Cards to Database',
       description: 'Scan new cards and add them to your collections',
       icon: '📚',
-      color: 'bg-blue-500 hover:bg-blue-600'
+      color: 'bg-blue-500 hover:bg-blue-600 active:bg-blue-700'
     },
     {
       id: 'search-collections',
       title: 'Search Collections',
       description: 'Find these cards in your existing collections',
       icon: '🔍',
-      color: 'bg-green-500 hover:bg-green-600'
+      color: 'bg-green-500 hover:bg-green-600 active:bg-green-700'
     },
     {
       id: 'price-check',
       title: 'Price Check',
       description: 'Get real-time pricing for your cards',
       icon: '💰',
-      color: 'bg-yellow-500 hover:bg-yellow-600'
+      color: 'bg-yellow-500 hover:bg-yellow-600 active:bg-yellow-700'
     },
     {
       id: 'deck-building',
       title: 'Deck Building',
       description: 'Scan cards directly into a deck with legality checks',
       icon: '🎯',
-      color: 'bg-purple-500 hover:bg-purple-600'
+      color: 'bg-purple-500 hover:bg-purple-600 active:bg-purple-700'
     }
   ];
 
   return (
-    <div className="max-w-2xl mx-auto p-6">
-      <div className="text-center mb-8">
-        <h1 className="text-3xl font-bold text-gray-900 mb-2">Card Scanner</h1>
-        <p className="text-gray-600">Choose your scanning mode to get started</p>
-      </div>
+    <div className="min-h-screen bg-gray-50 px-4 py-6 sm:px-6 lg:px-8">
+      <div className="max-w-md mx-auto sm:max-w-2xl">
+        {/* Header - Mobile optimized */}
+        <div className="text-center mb-8">
+          <h1 className="text-2xl sm:text-3xl font-bold text-gray-900 mb-3">Card Scanner</h1>
+          <p className="text-gray-600 text-sm sm:text-base px-2">Choose your scanning mode to get started</p>
+        </div>
 
-      <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
-        {scanModes.map((mode) => (
-          <button
-            key={mode.id}
-            onClick={() => onModeSelect(mode.id)}
-            className={`${mode.color} text-white p-6 rounded-lg shadow-lg transition-all duration-200 hover:shadow-xl hover:scale-105 text-left`}
-          >
-            <div className="flex items-start space-x-4">
-              <div className="text-3xl">{mode.icon}</div>
-              <div className="flex-1">
-                <h3 className="text-xl font-semibold mb-2">{mode.title}</h3>
-                <p className="text-white/90 text-sm leading-relaxed">
+        {/* Mode Grid - Mobile-first responsive */}
+        <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 mb-8">
+          {scanModes.map((mode) => (
+            <button
+              key={mode.id}
+              onClick={() => onModeSelect(mode.id)}
+              className={`${mode.color} text-white rounded-xl shadow-lg transition-all duration-200 hover:shadow-xl transform hover:scale-[1.02] active:scale-[0.98] text-left relative overflow-hidden`}
+              style={{ minHeight: '120px' }}
+            >
+              {/* Touch-friendly padding and layout */}
+              <div className="p-6 sm:p-6 h-full flex flex-col">
+                {/* Icon and Title Row */}
+                <div className="flex items-start space-x-4 mb-3">
+                  <div className="text-3xl sm:text-4xl flex-shrink-0" role="img" aria-label={mode.title}>
+                    {mode.icon}
+                  </div>
+                  <div className="flex-1 min-w-0">
+                    <h3 className="text-lg sm:text-xl font-semibold leading-tight mb-2">
+                      {mode.title}
+                    </h3>
+                  </div>
+                </div>
+                
+                {/* Description */}
+                <p className="text-white/90 text-sm sm:text-base leading-relaxed flex-1">
                   {mode.description}
                 </p>
               </div>
-            </div>
-          </button>
-        ))}
-      </div>
-
-      <div className="mt-8 text-center">
-        <div className="bg-gray-50 rounded-lg p-4 text-sm text-gray-600">
-          <p className="font-medium mb-2">💡 Pro Tips:</p>
-          <ul className="space-y-1 text-left max-w-md mx-auto">
-            <li>• Position cards clearly within the camera frame</li>
-            <li>• Scanner will auto-detect cards after 2-3 seconds</li>
-            <li>• You can scan up to 100 cards in a single session</li>
-            <li>• Duplicates are allowed and will be tracked separately</li>
-          </ul>
+              
+              {/* Subtle gradient overlay for depth */}
+              <div className="absolute inset-0 bg-gradient-to-br from-white/10 to-transparent pointer-events-none" />
+            </button>
+          ))}
         </div>
+
+        {/* Pro Tips - Mobile optimized */}
+        <div className="bg-white rounded-xl shadow-sm border border-gray-100 p-5 sm:p-6">
+          <div className="flex items-center mb-4">
+            <span className="text-2xl mr-3" role="img" aria-label="Tips">💡</span>
+            <h2 className="font-semibold text-gray-900 text-lg">Pro Tips</h2>
+          </div>
+          
+          <div className="space-y-3">
+            <div className="flex items-start space-x-3">
+              <div className="w-2 h-2 bg-blue-500 rounded-full mt-2 flex-shrink-0"></div>
+              <p className="text-gray-700 text-sm sm:text-base">Position cards clearly within the camera frame</p>
+            </div>
+            <div className="flex items-start space-x-3">
+              <div className="w-2 h-2 bg-green-500 rounded-full mt-2 flex-shrink-0"></div>
+              <p className="text-gray-700 text-sm sm:text-base">Scanner will auto-detect cards after 2-3 seconds</p>
+            </div>
+            <div className="flex items-start space-x-3">
+              <div className="w-2 h-2 bg-purple-500 rounded-full mt-2 flex-shrink-0"></div>
+              <p className="text-gray-700 text-sm sm:text-base">You can scan up to 100 cards in a single session</p>
+            </div>
+            <div className="flex items-start space-x-3">
+              <div className="w-2 h-2 bg-yellow-500 rounded-full mt-2 flex-shrink-0"></div>
+              <p className="text-gray-700 text-sm sm:text-base">Duplicates are allowed and will be tracked separately</p>
+            </div>
+          </div>
+        </div>
+
+        {/* Mobile-specific footer spacing */}
+        <div className="h-8 sm:h-4"></div>
       </div>
     </div>
   );
diff --git a/src/components/scanner/ScannerWizard.tsx b/src/components/scanner/ScannerWizard.tsx
index 920359b..9471763 100644
--- a/src/components/scanner/ScannerWizard.tsx
+++ b/src/components/scanner/ScannerWizard.tsx
@@ -313,29 +313,42 @@ const ScannerWizard: React.FC = () => {
       case 'scanning':
         return (
           <div className="space-y-6">
-            <div className="flex items-center justify-between">
-              <h2 className="text-2xl font-bold text-gray-900">
-                {scanMode === 'add-to-database' && '📚 Adding Cards to Database'}
-                {scanMode === 'search-collections' && '🔍 Searching Collections'}
-                {scanMode === 'price-check' && '💰 Price Checking Cards'}
-                {scanMode === 'deck-building' && '🎯 Building Deck'}
-              </h2>
-              
-              <div className="flex space-x-2">
-                {scannedCards.length > 0 && (
+            {/* Header - Mobile optimized */}
+            <div className="bg-white rounded-xl shadow-sm border border-gray-100 p-4 sm:p-6">
+              <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
+                <div className="flex-1">
+                  <h2 className="text-xl sm:text-2xl font-bold text-gray-900 mb-2">
+                    {scanMode === 'add-to-database' && '📚 Adding Cards to Database'}
+                    {scanMode === 'search-collections' && '🔍 Searching Collections'}
+                    {scanMode === 'price-check' && '💰 Price Checking Cards'}
+                    {scanMode === 'deck-building' && '🎯 Building Deck'}
+                  </h2>
+                  <p className="text-gray-600 text-sm sm:text-base">
+                    Position cards clearly within the camera frame
+                  </p>
+                </div>
+                
+                <div className="flex flex-col sm:flex-row gap-2">
+                  {scannedCards.length > 0 && (
+                    <button
+                      onClick={handleProceedToReview}
+                      className="w-full sm:w-auto bg-green-600 text-white px-4 py-3 sm:px-6 sm:py-2 rounded-xl font-medium hover:bg-green-700 active:bg-green-800 transition-colors text-sm sm:text-base shadow-lg"
+                    >
+                      <div className="flex items-center justify-center space-x-2">
+                        <span>Review Queue</span>
+                        <span className="bg-green-700 px-2 py-0.5 rounded-full text-xs">
+                          {scannedCards.length}
+                        </span>
+                      </div>
+                    </button>
+                  )}
                   <button
-                    onClick={handleProceedToReview}
-                    className="px-4 py-2 bg-green-600 text-white rounded-lg hover:bg-green-700 transition-colors"
+                    onClick={() => setCurrentStep('mode-selection')}
+                    className="w-full sm:w-auto bg-gray-100 text-gray-700 px-4 py-3 sm:px-6 sm:py-2 rounded-xl font-medium hover:bg-gray-200 active:bg-gray-300 transition-colors text-sm sm:text-base"
                   >
-                    Review Queue ({scannedCards.length})
+                    Change Mode
                   </button>
-                )}
-                <button
-                  onClick={() => setCurrentStep('mode-selection')}
-                  className="px-4 py-2 bg-gray-300 text-gray-700 rounded-lg hover:bg-gray-400 transition-colors"
-                >
-                  Change Mode
-                </button>
+                </div>
               </div>
             </div>
 
@@ -351,23 +364,40 @@ const ScannerWizard: React.FC = () => {
       case 'review':
         return (
           <div className="space-y-6">
-            <div className="flex items-center justify-between">
-              <h2 className="text-2xl font-bold text-gray-900">Review Scanned Cards</h2>
-              
-              <div className="flex space-x-2">
-                <button
-                  onClick={handleBackToScanning}
-                  className="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition-colors"
-                >
-                  Continue Scanning
-                </button>
-                <button
-                  onClick={handleFinish}
-                  disabled={scannedCards.length === 0 || isProcessing}
-                  className="px-4 py-2 bg-green-600 text-white rounded-lg hover:bg-green-700 disabled:bg-gray-400 transition-colors"
-                >
-                  Finish & Process
-                </button>
+            {/* Header - Mobile optimized */}
+            <div className="bg-white rounded-xl shadow-sm border border-gray-100 p-4 sm:p-6">
+              <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
+                <div className="flex-1">
+                  <h2 className="text-xl sm:text-2xl font-bold text-gray-900 mb-2">
+                    Review Scanned Cards
+                  </h2>
+                  <p className="text-gray-600 text-sm sm:text-base">
+                    Select cards and choose where to add them
+                  </p>
+                </div>
+                
+                <div className="flex flex-col sm:flex-row gap-2">
+                  <button
+                    onClick={handleBackToScanning}
+                    className="w-full sm:w-auto bg-blue-600 text-white px-4 py-3 sm:px-6 sm:py-2 rounded-xl font-medium hover:bg-blue-700 active:bg-blue-800 transition-colors text-sm sm:text-base"
+                  >
+                    Continue Scanning
+                  </button>
+                  <button
+                    onClick={handleFinish}
+                    disabled={scannedCards.length === 0 || isProcessing}
+                    className="w-full sm:w-auto bg-green-600 text-white px-4 py-3 sm:px-6 sm:py-2 rounded-xl font-medium hover:bg-green-700 active:bg-green-800 disabled:bg-gray-400 disabled:cursor-not-allowed transition-colors text-sm sm:text-base shadow-lg"
+                  >
+                    {isProcessing ? (
+                      <div className="flex items-center justify-center space-x-2">
+                        <div className="animate-spin rounded-full h-4 w-4 border-2 border-white border-t-transparent"></div>
+                        <span>Processing...</span>
+                      </div>
+                    ) : (
+                      'Finish & Process'
+                    )}
+                  </button>
+                </div>
               </div>
             </div>
 
@@ -395,22 +425,36 @@ const ScannerWizard: React.FC = () => {
 
       case 'processing':
         return (
-          <div className="text-center py-12">
-            <div className="animate-spin rounded-full h-16 w-16 border-4 border-blue-600 border-t-transparent mx-auto mb-4"></div>
-            <h3 className="text-xl font-semibold text-gray-900 mb-2">Processing Cards...</h3>
-            <p className="text-gray-600">Adding {scannedCards.length} cards to your collection</p>
+          <div className="flex items-center justify-center min-h-[60vh] px-4">
+            <div className="text-center max-w-md mx-auto">
+              <div className="animate-spin rounded-full h-16 w-16 sm:h-20 sm:w-20 border-4 border-blue-600 border-t-transparent mx-auto mb-6"></div>
+              <h3 className="text-xl sm:text-2xl font-semibold text-gray-900 mb-3">Processing Cards...</h3>
+              <p className="text-gray-600 text-sm sm:text-base mb-4">
+                Adding {scannedCards.length} cards to your collection
+              </p>
+              <div className="bg-gray-100 rounded-full h-2 w-full max-w-xs mx-auto">
+                <div className="bg-blue-600 h-2 rounded-full animate-pulse" style={{ width: '60%' }}></div>
+              </div>
+            </div>
           </div>
         );
 
       case 'complete':
         return (
-          <div className="text-center py-12">
-            <div className="text-6xl mb-4">✅</div>
-            <h3 className="text-xl font-semibold text-green-600 mb-2">Success!</h3>
-            <p className="text-gray-600 mb-4">
-              Successfully processed {scannedCards.length} cards
-            </p>
-            <p className="text-sm text-gray-500">Redirecting to scanner...</p>
+          <div className="flex items-center justify-center min-h-[60vh] px-4">
+            <div className="text-center max-w-md mx-auto">
+              <div className="text-6xl sm:text-7xl mb-6">✅</div>
+              <h3 className="text-xl sm:text-2xl font-semibold text-green-600 mb-3">Success!</h3>
+              <p className="text-gray-600 text-sm sm:text-base mb-6">
+                Successfully processed {scannedCards.length} cards
+              </p>
+              <div className="bg-green-50 border border-green-200 rounded-xl p-4 mb-6">
+                <p className="text-green-800 text-sm font-medium">
+                  🎉 All cards have been added to your collection!
+                </p>
+              </div>
+              <p className="text-sm text-gray-500">Redirecting to scanner...</p>
+            </div>
           </div>
         );
 
@@ -421,7 +465,7 @@ const ScannerWizard: React.FC = () => {
 
   return (
     <div className="min-h-screen bg-gray-50">
-      <div className="max-w-7xl mx-auto px-4 py-6">
+      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-4 sm:py-6">
         {renderStep()}
       </div>
     </div>
diff --git a/src/components/scanner/ScanningToast.tsx b/src/components/scanner/ScanningToast.tsx
index a339562..4219473 100644
--- a/src/components/scanner/ScanningToast.tsx
+++ b/src/components/scanner/ScanningToast.tsx
@@ -46,22 +46,24 @@ const ScanningToast: React.FC<ScanningToastProps> = ({
   };
 
   return (
-    <div className="fixed top-4 left-1/2 transform -translate-x-1/2 z-50 animate-slide-down">
-      <div className={`${getTypeStyles()} rounded-lg shadow-lg px-4 py-3 min-w-80 max-w-md`}>
+    <div className="fixed top-4 left-4 right-4 z-50 animate-slide-down sm:left-1/2 sm:right-auto sm:transform sm:-translate-x-1/2 sm:w-auto sm:min-w-80 sm:max-w-md">
+      <div className={`${getTypeStyles()} rounded-xl shadow-lg px-4 py-3 sm:px-5 sm:py-4`}>
         <div className="flex items-center space-x-3">
           {/* Icon */}
-          <div className="text-lg">{getIcon()}</div>
+          <div className="text-lg sm:text-xl flex-shrink-0" role="img" aria-label={type}>
+            {getIcon()}
+          </div>
           
           {/* Content */}
-          <div className="flex-1">
-            <div className="font-medium text-sm">{message}</div>
+          <div className="flex-1 min-w-0">
+            <div className="font-medium text-sm sm:text-base leading-tight">{message}</div>
             
             {/* Progress bar */}
             {progress !== undefined && (
               <div className="mt-2">
-                <div className="w-full bg-white/20 rounded-full h-1.5">
+                <div className="w-full bg-white/20 rounded-full h-1.5 sm:h-2">
                   <div 
-                    className="bg-white h-1.5 rounded-full transition-all duration-300 ease-out"
+                    className="bg-white h-1.5 sm:h-2 rounded-full transition-all duration-300 ease-out"
                     style={{ width: `${Math.min(100, Math.max(0, progress))}%` }}
                   />
                 </div>
@@ -71,8 +73,8 @@ const ScanningToast: React.FC<ScanningToastProps> = ({
 
           {/* Spinner for scanning/processing */}
           {(type === 'scanning' || type === 'processing') && (
-            <div className="w-5 h-5">
-              <div className="animate-spin rounded-full h-5 w-5 border-2 border-white border-t-transparent"></div>
+            <div className="w-5 h-5 sm:w-6 sm:h-6 flex-shrink-0">
+              <div className="animate-spin rounded-full h-5 w-5 sm:h-6 sm:w-6 border-2 border-white border-t-transparent"></div>
             </div>
           )}
         </div>