Fixed date formatting on consolidated sets

Reviewed-on: #106

.env.sample

@@ -122,6 +122,10 @@
 # Default: false
 # BK_HIDE_ALL_STORAGES=true
 
+# Optional: Hide the 'Statistics' entry from the menu. Does not disable the route.
+# Default: false
+# BK_HIDE_STATISTICS=true
+
 # Optional: Hide the 'Instructions' entry in a Set card
 # Default: false
 # BK_HIDE_SET_INSTRUCTIONS=true
@@ -134,6 +138,10 @@
 # Default: false
 # BK_HIDE_TABLE_MISSING_PARTS=true
 
+# Optional: Hide the 'Checked' column from the parts table.
+# Default: false
+# BK_HIDE_TABLE_CHECKED_PARTS=true
+
 # Optional: Hide the 'Wishlist' entry from the menu. Does not disable the route.
 # Default: false
 # BK_HIDE_WISHES=true
@@ -328,6 +336,12 @@
 # Default: sets
 # BK_SETS_FOLDER=sets
 
+# Optional: Enable set consolidation/grouping on the main sets page
+# When enabled, multiple copies of the same set are grouped together showing instance count
+# When disabled, each set copy is displayed individually (original behavior)
+# Default: false
+# BK_SETS_CONSOLIDATION=true
+
 # Optional: Make the grid filters displayed by default, rather than collapsed
 # Default: false
 # BK_SHOW_GRID_FILTERS=true
@@ -381,3 +395,12 @@
 # - "bricktracker_wishes"."number_of_parts": set number of parts
 # Default: "bricktracker_wishes"."rowid" DESC
 # BK_WISHES_DEFAULT_ORDER="bricktracker_wishes"."set" DESC
+
+# Optional: Show collection growth charts on the statistics page
+# Default: true
+# BK_STATISTICS_SHOW_CHARTS=false
+
+# Optional: Default state of statistics page sections (expanded or collapsed)
+# When true, all sections start expanded. When false, all sections start collapsed.
+# Default: true
+# BK_STATISTICS_DEFAULT_EXPANDED=false

CHANGELOG.md

@@ -23,6 +23,45 @@
   - Preserves selection state during dropdown consolidation
   - Consistent search behavior (instant for client-side, Enter key for server-side)
   - Mobile-friendly pagination navigation
+- Add Peeron instructions integration
+  - Full image caching system with automatic thumbnail generation
+  - Optimized HTTP calls by downloading full images once and generating thumbnails locally
+  - Automatic cache cleanup after PDF generation to save disk space
+- Add parts checking/inventory system
+  - New "Checked" column in parts tables for tracking inventory progress
+  - Checkboxes to mark parts as verified during set walkthrough
+  - `BK_HIDE_TABLE_CHECKED_PARTS`: Environment variable to hide checked column
+- Add set consolidation/grouping functionality
+  - Automatic grouping of duplicate sets on main sets page
+  - Shows instance count with stack icon badge (e.g., "3 copies")
+  - Expandable drawer interface to view all set copies individually
+  - Full set cards for each instance with all badges, statuses, and functionality
+  - `BK_SETS_CONSOLIDATION`: Environment variable to enable/disable consolidation (default: false)
+  - Backwards compatible - when disabled, behaves exactly like original individual view
+  - Improved theme filtering: handles duplicate theme names correctly
+  - Fixed set number sorting: proper numeric sorting in both ascending and descending order
+  - Mixed status indicators for consolidated sets: three-state checkboxes (unchecked/partial/checked) with count badges
+    - Template logic handles three states: none (0/2), all (2/2), partial (1/2) with visual indicators
+    - Purple overlay styling for partial states, disabled checkboxes for read-only consolidated status display
+    - Individual sets maintain full interactive checkbox functionality
+- Add comprehensive statistics system (#91)
+  - New Statistics page with collection analytics
+  - Financial overview: total cost, average price, price range, investment tracking
+  - Collection metrics: total sets, unique sets, parts count, minifigures count
+  - Theme distribution statistics with clickable drill-down to filtered sets
+  - Storage location statistics showing sets per location with value calculations
+  - Purchase location analytics with spending patterns and date ranges
+  - Problem tracking: missing and damaged parts statistics
+  - Clickable numbers throughout statistics that filter to relevant sets
+  - `BK_HIDE_STATISTICS`: Environment variable to hide statistics menu item
+  - Year-based analytics: Sets by release year and purchases by year
+    - Sets by Release Year: Shows collection distribution across LEGO release years
+    - Purchases by Year: Tracks spending patterns and acquisition timeline
+    - Year summary with peak collection/spending years and timeline insights
+  - Enhanced statistics interface and functionality
+    - Collapsible sections: All statistics sections have clickable headers to expand/collapse
+    - Collection growth charts: Line charts showing sets, parts, and minifigures over time
+    - Configuration options: `BK_STATISTICS_SHOW_CHARTS` and `BK_STATISTICS_DEFAULT_EXPANDED` environment variables
 
 ### 1.2.4
 

bricktracker/app.py

@@ -32,6 +32,7 @@ from bricktracker.views.login import login_page
 from bricktracker.views.minifigure import minifigure_page
 from bricktracker.views.part import part_page
 from bricktracker.views.set import set_page
+from bricktracker.views.statistics import statistics_page
 from bricktracker.views.storage import storage_page
 from bricktracker.views.wish import wish_page
 
@@ -82,6 +83,7 @@ def setup_app(app: Flask) -> None:
     app.register_blueprint(minifigure_page)
     app.register_blueprint(part_page)
     app.register_blueprint(set_page)
+    app.register_blueprint(statistics_page)
     app.register_blueprint(storage_page)
     app.register_blueprint(wish_page)
 

bricktracker/config.py

@@ -31,9 +31,11 @@ CONFIG: Final[list[dict[str, Any]]] = [
     {'n': 'HIDE_ALL_PROBLEMS_PARTS', 'e': 'BK_HIDE_MISSING_PARTS', 'c': bool},
     {'n': 'HIDE_ALL_SETS', 'c': bool},
     {'n': 'HIDE_ALL_STORAGES', 'c': bool},
+    {'n': 'HIDE_STATISTICS', 'c': bool},
     {'n': 'HIDE_SET_INSTRUCTIONS', 'c': bool},
     {'n': 'HIDE_TABLE_DAMAGED_PARTS', 'c': bool},
     {'n': 'HIDE_TABLE_MISSING_PARTS', 'c': bool},
+    {'n': 'HIDE_TABLE_CHECKED_PARTS', 'c': bool},
     {'n': 'HIDE_WISHES', 'c': bool},
     {'n': 'MINIFIGURES_DEFAULT_ORDER', 'd': '"rebrickable_minifigures"."name" ASC'},  # noqa: E501
     {'n': 'MINIFIGURES_FOLDER', 'd': 'minifigs', 's': True},
@@ -76,6 +78,7 @@ CONFIG: Final[list[dict[str, Any]]] = [
     {'n': 'RETIRED_SETS_PATH', 'd': './retired_sets.csv'},
     {'n': 'SETS_DEFAULT_ORDER', 'd': '"rebrickable_sets"."number" DESC, "rebrickable_sets"."version" ASC'},  # noqa: E501
     {'n': 'SETS_FOLDER', 'd': 'sets', 's': True},
+    {'n': 'SETS_CONSOLIDATION', 'd': False, 'c': bool},
     {'n': 'SHOW_GRID_FILTERS', 'c': bool},
     {'n': 'SHOW_GRID_SORT', 'c': bool},
     {'n': 'SKIP_SPARE_PARTS', 'c': bool},
@@ -87,4 +90,6 @@ CONFIG: Final[list[dict[str, Any]]] = [
     {'n': 'TIMEZONE', 'd': 'Etc/UTC'},
     {'n': 'USE_REMOTE_IMAGES', 'c': bool},
     {'n': 'WISHES_DEFAULT_ORDER', 'd': '"bricktracker_wishes"."rowid" DESC'},
+    {'n': 'STATISTICS_SHOW_CHARTS', 'd': True, 'c': bool},
+    {'n': 'STATISTICS_DEFAULT_EXPANDED', 'd': True, 'c': bool},
 ]

bricktracker/metadata_list.py

@@ -111,6 +111,16 @@ class BrickMetadataList(BrickRecordList[T]):
             in new.filter(**kwargs)
         ])
 
+    # Return the items as a dictionary mapping column names to UUIDs
+    @classmethod
+    def as_column_mapping(cls, /, **kwargs) -> dict:
+        new = cls.new()
+
+        return {
+            record.as_column(): record.fields.id
+            for record in new.filter(**kwargs)
+        }
+
     # Grab a specific status
     @classmethod
     def get(cls, id: str | None, /, *, allow_none: bool = False) -> T:

bricktracker/navbar.py

@@ -15,6 +15,7 @@ NAVBAR: Final[list[dict[str, Any]]] = [
     {'e': 'minifigure.list', 't': 'Minifigures', 'i': 'group-line', 'f': 'HIDE_ALL_MINIFIGURES'},  # noqa: E501
     {'e': 'instructions.list', 't': 'Instructions', 'i': 'file-line', 'f': 'HIDE_ALL_INSTRUCTIONS'},  # noqa: E501
     {'e': 'storage.list', 't': 'Storages', 'i': 'archive-2-line', 'f': 'HIDE_ALL_STORAGES'},  # noqa: E501
+    {'e': 'statistics.overview', 't': 'Statistics', 'i': 'bar-chart-line', 'f': 'HIDE_STATISTICS'},  # noqa: E501
     {'e': 'wish.list', 't': 'Wishlist', 'i': 'gift-line', 'f': 'HIDE_WISHES'},
     {'e': 'admin.admin', 't': 'Admin', 'i': 'settings-4-line', 'f': 'HIDE_ADMIN'},  # noqa: E501
 ]

bricktracker/part.py

@@ -159,6 +159,43 @@ class BrickPart(RebrickablePart):
 
         return self
 
+    # Update checked state for part walkthrough
+    def update_checked(self, json: Any | None, /) -> bool:
+        # Handle both direct 'checked' key and changer.js 'value' key format
+        if json:
+            checked = json.get('checked', json.get('value', False))
+        else:
+            checked = False
+
+        checked = bool(checked)
+
+        # Update the field
+        self.fields.checked = checked
+
+        BrickSQL().execute_and_commit(
+            'part/update/checked',
+            parameters=self.sql_parameters()
+        )
+
+        return checked
+
+    # Compute the url for updating checked state
+    def url_for_checked(self, /) -> str:
+        # Different URL for a minifigure part
+        if self.minifigure is not None:
+            figure = self.minifigure.fields.figure
+        else:
+            figure = None
+
+        return url_for(
+            'set.checked_part',
+            id=self.fields.id,
+            figure=figure,
+            part=self.fields.part,
+            color=self.fields.color,
+            spare=self.fields.spare,
+        )
+
     # Update a problematic part
     def update_problem(self, problem: str, json: Any | None, /) -> int:
         amount: str | int = json.get('value', '')  # type: ignore

bricktracker/set.py

@@ -169,6 +169,20 @@ class BrickSet(RebrickableSet):
         else:
             return ''
 
+    # Purchase date max formatted for consolidated sets
+    def purchase_date_max_formatted(self, /, *, standard: bool = False) -> str:
+        if hasattr(self.fields, 'purchase_date_max') and self.fields.purchase_date_max is not None:
+            time = datetime.fromtimestamp(self.fields.purchase_date_max)
+
+            if standard:
+                return time.strftime('%Y/%m/%d')
+            else:
+                return time.strftime(
+                    current_app.config['PURCHASE_DATE_FORMAT']
+                )
+        else:
+            return ''
+
     # Purchase price with currency
     def purchase_price(self, /) -> str:
         if self.fields.purchase_price is not None:

bricktracker/set_list.py

@@ -20,10 +20,12 @@ from .instructions_list import BrickInstructionsList
 # All the sets from the database
 class BrickSetList(BrickRecordList[BrickSet]):
     themes: list[str]
+    years: list[int]
     order: str
 
     # Queries
     all_query: str = 'set/list/all'
+    consolidated_query: str = 'set/list/consolidated'
     damaged_minifigure_query: str = 'set/list/damaged_minifigure'
     damaged_part_query: str = 'set/list/damaged_part'
     generic_query: str = 'set/list/generic'
@@ -40,14 +42,32 @@ class BrickSetList(BrickRecordList[BrickSet]):
 
         # Placeholders
         self.themes = []
+        self.years = []
 
         # Store the order for this list
         self.order = current_app.config['SETS_DEFAULT_ORDER']
 
     # All the sets
     def all(self, /) -> Self:
-        # Load the sets from the database
+        # Load the sets from the database with metadata context for filtering
-        self.list(do_theme=True)
+        filter_context = {
+            'owners': BrickSetOwnerList.as_columns(),
+            'statuses': BrickSetStatusList.as_columns(),
+            'tags': BrickSetTagList.as_columns(),
+        }
+        self.list(do_theme=True, **filter_context)
+
+        return self
+
+    # All sets in consolidated/grouped view
+    def all_consolidated(self, /) -> Self:
+        # Load the sets from the database using consolidated query with metadata context
+        filter_context = {
+            'owners_dict': BrickSetOwnerList.as_column_mapping(),
+            'statuses_dict': BrickSetStatusList.as_column_mapping(),
+            'tags_dict': BrickSetTagList.as_column_mapping(),
+        }
+        self.list(override_query=self.consolidated_query, do_theme=True, **filter_context)
 
         return self
 
@@ -64,7 +84,9 @@ class BrickSetList(BrickRecordList[BrickSet]):
         owner_filter: str | None = None,
         purchase_location_filter: str | None = None,
         storage_filter: str | None = None,
-        tag_filter: str | None = None
+        tag_filter: str | None = None,
+        year_filter: str | None = None,
+        use_consolidated: bool = True
     ) -> tuple[Self, int]:
         # Convert theme name to theme ID for filtering
         theme_id_filter = None
@@ -72,7 +94,7 @@ class BrickSetList(BrickRecordList[BrickSet]):
             theme_id_filter = self._theme_name_to_id(theme_filter)
 
         # Check if any filters are applied
-        has_filters = any([status_filter, theme_id_filter, owner_filter, purchase_location_filter, storage_filter, tag_filter])
+        has_filters = any([status_filter, theme_id_filter, owner_filter, purchase_location_filter, storage_filter, tag_filter, year_filter])
 
         # Prepare filter context
         filter_context = {
@@ -83,14 +105,35 @@ class BrickSetList(BrickRecordList[BrickSet]):
             'purchase_location_filter': purchase_location_filter,
             'storage_filter': storage_filter,
             'tag_filter': tag_filter,
+            'year_filter': year_filter,
             'owners': BrickSetOwnerList.as_columns(),
             'statuses': BrickSetStatusList.as_columns(),
             'tags': BrickSetTagList.as_columns(),
+            'owners_dict': BrickSetOwnerList.as_column_mapping(),
+            'statuses_dict': BrickSetStatusList.as_column_mapping(),
+            'tags_dict': BrickSetTagList.as_column_mapping(),
         }
 
+
+
         # Field mapping for sorting
+        if use_consolidated:
             field_mapping = {
-            'set': '"rebrickable_sets"."set"',
+                'set': '"rebrickable_sets"."number", "rebrickable_sets"."version"',
+                'name': '"rebrickable_sets"."name"',
+                'year': '"rebrickable_sets"."year"',
+                'parts': '"rebrickable_sets"."number_of_parts"',
+                'theme': '"rebrickable_sets"."theme_id"',
+                'minifigures': '"total_minifigures"',
+                'missing': '"total_missing"',
+                'damaged': '"total_damaged"',
+                'instances': '"instance_count"',  # New field for consolidated view
+                'purchase-date': '"purchase_date"',  # Use the MIN aggregated value
+                'purchase-price': '"purchase_price"'  # Use the MIN aggregated value
+            }
+        else:
+            field_mapping = {
+                'set': '"rebrickable_sets"."number", "rebrickable_sets"."version"',
                 'name': '"rebrickable_sets"."name"',
                 'year': '"rebrickable_sets"."year"',
                 'parts': '"rebrickable_sets"."number_of_parts"',
@@ -102,8 +145,15 @@ class BrickSetList(BrickRecordList[BrickSet]):
                 'purchase-price': '"bricktracker_sets"."purchase_price"'
             }
 
-        # Choose query based on whether filters are applied
+        # Choose query based on consolidation preference and filter complexity
-        query_to_use = 'set/list/all_filtered' if has_filters else self.all_query
+        # Owner/tag filters still need to fall back to non-consolidated for now
+        # due to complex aggregation requirements
+        complex_filters = [owner_filter, tag_filter]
+        if use_consolidated and not any(complex_filters):
+            query_to_use = self.consolidated_query
+        else:
+            # Use filtered query when consolidation is disabled or complex filters applied
+            query_to_use = 'set/list/all_filtered'
 
         # Handle instructions filtering
         if status_filter in ['has-missing-instructions', '-has-missing-instructions']:
@@ -114,6 +164,18 @@ class BrickSetList(BrickRecordList[BrickSet]):
                 purchase_location_filter, storage_filter, tag_filter
             )
 
+        # Handle special case for set sorting with multiple columns
+        if sort_field == 'set' and field_mapping:
+            # Create custom order clause for set sorting
+            direction = 'DESC' if sort_order.lower() == 'desc' else 'ASC'
+            custom_order = f'"rebrickable_sets"."number" {direction}, "rebrickable_sets"."version" {direction}'
+            filter_context['order'] = custom_order
+            # Remove set from field mapping to avoid double-processing
+            field_mapping_copy = field_mapping.copy()
+            field_mapping_copy.pop('set', None)
+            field_mapping = field_mapping_copy
+            sort_field = None  # Disable automatic ORDER BY construction
+
         # Normal SQL-based filtering and pagination
         result, total_count = self.paginate(
             page=page,
@@ -125,8 +187,15 @@ class BrickSetList(BrickRecordList[BrickSet]):
             **filter_context
         )
 
-        # Populate themes for filter dropdown from ALL sets, not just current page
+        # Populate themes and years for filter dropdown from filtered dataset (not just current page)
-        result._populate_themes_global()
+        result._populate_themes_from_filtered_dataset(
+            query_to_use,
+            **filter_context
+        )
+        result._populate_years_from_filtered_dataset(
+            query_to_use,
+            **filter_context
+        )
 
         return result, total_count
 
@@ -140,18 +209,85 @@ class BrickSetList(BrickRecordList[BrickSet]):
         self.themes = list(themes)
         self.themes.sort()
 
-    def _theme_name_to_id(self, theme_name: str) -> str | None:
+    def _populate_years(self) -> None:
-        """Convert a theme name to theme ID for filtering"""
+        """Populate years list from the current records"""
+        years = set()
+        for record in self.records:
+            if hasattr(record, 'fields') and hasattr(record.fields, 'year') and record.fields.year:
+                years.add(record.fields.year)
+
+        self.years = list(years)
+        self.years.sort(reverse=True)  # Most recent years first
+
+    def _theme_name_to_id(self, theme_name_or_id: str) -> str | None:
+        """Convert a theme name or ID to theme ID for filtering"""
         try:
+            # Check if the input is already a numeric theme ID
+            if theme_name_or_id.isdigit():
+                # Input is already a theme ID, validate it exists
                 theme_list = BrickThemeList()
-            for theme_id, theme in theme_list.themes.items():
+                theme_id = int(theme_name_or_id)
-                if theme.name.lower() == theme_name.lower():
+                if theme_id in theme_list.themes:
                     return str(theme_id)
+                else:
                     return None
+
+            # Input is a theme name, convert to ID
+            from .sql import BrickSQL
+            theme_list = BrickThemeList()
+
+            # Find all theme IDs that match the name
+            matching_theme_ids = []
+            for theme_id, theme in theme_list.themes.items():
+                if theme.name.lower() == theme_name_or_id.lower():
+                    matching_theme_ids.append(str(theme_id))
+
+            if not matching_theme_ids:
+                return None
+
+            # If only one match, return it
+            if len(matching_theme_ids) == 1:
+                return matching_theme_ids[0]
+
+            # Multiple matches - check which theme ID actually has sets in the user's collection
+            sql = BrickSQL()
+            for theme_id in matching_theme_ids:
+                result = sql.fetchone(
+                    'set/check_theme_exists',
+                    theme_id=theme_id
+                )
+                count = result['count'] if result else 0
+                if count > 0:
+                    return theme_id
+
+            # If none have sets, return the first match (fallback)
+            return matching_theme_ids[0]
+
         except Exception:
             # If themes can't be loaded, return None to disable theme filtering
             return None
 
+    def _theme_id_to_name(self, theme_id: str) -> str | None:
+        """Convert a theme ID to theme name (lowercase) for dropdown display"""
+        try:
+            if not theme_id or not theme_id.isdigit():
+                return None
+
+            from .theme_list import BrickThemeList
+            theme_list = BrickThemeList()
+            theme_id_int = int(theme_id)
+
+            if theme_id_int in theme_list.themes:
+                return theme_list.themes[theme_id_int].name.lower()
+
+            return None
+        except Exception as e:
+            # For debugging - log the exception
+            import logging
+            logger = logging.getLogger(__name__)
+            logger.warning(f"Failed to convert theme ID {theme_id} to name: {e}")
+            return None
+
     def _all_filtered_paginated_with_instructions(
         self,
         search_query: str | None,
@@ -223,12 +359,15 @@ class BrickSetList(BrickRecordList[BrickSet]):
             result = BrickSetList()
             result.records = paginated_records
 
-            # Copy themes from the source that has all sets
+            # Copy themes and years from the source that has all sets
             result.themes = all_sets.themes if hasattr(all_sets, 'themes') else []
+            result.years = all_sets.years if hasattr(all_sets, 'years') else []
 
-            # If themes weren't populated, populate them globally
+            # If themes or years weren't populated, populate them from current records
             if not result.themes:
-                result._populate_themes_global()
+                result._populate_themes()
+            if not result.years:
+                result._populate_years()
 
             return result, total_count
 
@@ -240,21 +379,82 @@ class BrickSetList(BrickRecordList[BrickSet]):
                 purchase_location_filter, storage_filter, tag_filter
             )
 
-    def _populate_themes_global(self) -> None:
+    def _populate_years_from_filtered_dataset(self, query_name: str, **filter_context) -> None:
-        """Populate themes list from ALL sets, not just current page"""
+        """Populate years list from all available records in filtered dataset"""
         try:
-            # Load all sets to get all possible themes
+            # Get all records matching the current filters (not just current page)
-            all_sets = BrickSetList().all()
+            unlimited_context = filter_context.copy()
-            themes = set()
+            unlimited_context.pop('limit', None)
+            unlimited_context.pop('offset', None)
+
+            # Query all records for year extraction
+            all_sets = self._query_sets(query_name, **unlimited_context)
+
+            if all_sets.records:
+                years = set()
                 for record in all_sets.records:
-                if hasattr(record, 'theme') and hasattr(record.theme, 'name'):
+                    if hasattr(record, 'fields') and hasattr(record.fields, 'year') and record.fields.year:
-                    themes.add(record.theme.name)
+                        years.add(record.fields.year)
+
+                self.years = list(years)
+                self.years.sort(reverse=True)  # Most recent years first
+        except Exception:
+            # Final fallback to current page years
+            self._populate_years()
+
+    def _populate_themes_from_filtered_dataset(self, query_name: str, **filter_context) -> None:
+        """Populate themes list from filtered dataset (all pages, not just current page)"""
+        try:
+            from .theme_list import BrickThemeList
+
+            # Use a simplified query to get just distinct theme_ids
+            theme_context = dict(filter_context)
+            theme_context.pop('limit', None)
+            theme_context.pop('offset', None)
+
+            # Use a special lightweight query for themes
+            theme_records = super().select(
+                override_query='set/list/themes_only',
+                **theme_context
+            )
+
+            # Convert to theme names
+            theme_list = BrickThemeList()
+            themes = set()
+            for record in theme_records:
+                theme_id = record.get('theme_id')
+                if theme_id:
+                    theme = theme_list.get(theme_id)
+                    if theme and hasattr(theme, 'name'):
+                        themes.add(theme.name)
 
             self.themes = list(themes)
             self.themes.sort()
+
         except Exception:
-            # Fall back to current page themes
+            # Fall back to simpler approach: get themes from ALL sets (ignoring filters)
+            # This is better than showing only current page themes
+            try:
+                from .theme_list import BrickThemeList
+                all_sets = BrickSetList()
+                all_sets.list(do_theme=True)
+
+                themes = set()
+                years = set()
+                for record in all_sets.records:
+                    if hasattr(record, 'theme') and hasattr(record.theme, 'name'):
+                        themes.add(record.theme.name)
+                    if hasattr(record, 'fields') and hasattr(record.fields, 'year') and record.fields.year:
+                        years.add(record.fields.year)
+
+                self.themes = list(themes)
+                self.themes.sort()
+                self.years = list(years)
+                self.years.sort(reverse=True)
+            except Exception:
+                # Final fallback to current page themes
                 self._populate_themes()
+                self._populate_years()
 
     def _matches_search(self, record, search_query: str) -> bool:
         """Check if record matches search query"""
@@ -301,7 +501,7 @@ class BrickSetList(BrickRecordList[BrickSet]):
         reverse = sort_order == 'desc'
 
         if sort_field == 'set':
-            return sorted(records, key=lambda r: r.fields.set, reverse=reverse)
+            return sorted(records, key=lambda r: self._set_sort_key(r.fields.set), reverse=reverse)
         elif sort_field == 'name':
             return sorted(records, key=lambda r: r.fields.name, reverse=reverse)
         elif sort_field == 'year':
@@ -312,6 +512,19 @@ class BrickSetList(BrickRecordList[BrickSet]):
 
         return records
 
+
+    def _set_sort_key(self, set_number: str) -> tuple:
+        """Generate sort key for set numbers like '10121-1' -> (10121, 1)"""
+        try:
+            if '-' in set_number:
+                main_part, version_part = set_number.split('-', 1)
+                return (int(main_part), int(version_part))
+            else:
+                return (int(set_number), 0)
+        except (ValueError, TypeError):
+            # Fallback to string sorting if parsing fails
+            return (float('inf'), set_number)
+
     # Sets with a minifigure part damaged
     def damaged_minifigure(self, figure: str, /) -> Self:
         # Save the parameters to the fields
@@ -357,6 +570,7 @@ class BrickSetList(BrickRecordList[BrickSet]):
         **context: Any,
     ) -> None:
         themes = set()
+        years = set()
 
         if order is None:
             order = self.order
@@ -373,11 +587,15 @@ class BrickSetList(BrickRecordList[BrickSet]):
             self.records.append(brickset)
             if do_theme:
                 themes.add(brickset.theme.name)
+                if hasattr(brickset, 'fields') and hasattr(brickset.fields, 'year') and brickset.fields.year:
+                    years.add(brickset.fields.year)
 
         # Convert the set into a list and sort it
         if do_theme:
             self.themes = list(themes)
             self.themes.sort()
+            self.years = list(years)
+            self.years.sort(reverse=True)  # Most recent years first
 
     # Sets missing a minifigure part
     def missing_minifigure(self, figure: str, /) -> Self:

bricktracker/sql/migrations/0018.sql

@@ -0,0 +1,9 @@
+-- description: Add checked field to bricktracker_parts table for part walkthrough tracking
+
+BEGIN TRANSACTION;
+
+-- Add checked field to the bricktracker_parts table
+-- This allows users to track which parts they have checked during walkthroughs
+ALTER TABLE "bricktracker_parts" ADD COLUMN "checked" BOOLEAN DEFAULT 0;
+
+COMMIT;

bricktracker/sql/part/base/base.sql

@@ -9,6 +9,7 @@ SELECT
     --"bricktracker_parts"."rebrickable_inventory",
     "bricktracker_parts"."missing",
     "bricktracker_parts"."damaged",
+    "bricktracker_parts"."checked",
     --"rebrickable_parts"."part",
     --"rebrickable_parts"."color_id",
     "rebrickable_parts"."color_name",

bricktracker/sql/part/update/checked.sql

@@ -0,0 +1,7 @@
+UPDATE "bricktracker_parts"
+SET "checked" = :checked
+WHERE "bricktracker_parts"."id" IS NOT DISTINCT FROM :id
+AND "bricktracker_parts"."figure" IS NOT DISTINCT FROM :figure
+AND "bricktracker_parts"."part" IS NOT DISTINCT FROM :part
+AND "bricktracker_parts"."color" IS NOT DISTINCT FROM :color
+AND "bricktracker_parts"."spare" IS NOT DISTINCT FROM :spare

bricktracker/sql/set/check_theme_exists.sql

@@ -0,0 +1,4 @@
+SELECT COUNT(*) as count
+FROM "bricktracker_sets"
+INNER JOIN "rebrickable_sets" ON "bricktracker_sets"."set" = "rebrickable_sets"."set"
+WHERE "rebrickable_sets"."theme_id" = {{ theme_id }}

bricktracker/sql/set/list/all_filtered.sql

@@ -8,7 +8,11 @@ AND (LOWER("rebrickable_sets"."name") LIKE LOWER('%{{ search_query }}%')
 {% endif %}
 
 {% if theme_filter %}
-AND "rebrickable_sets"."theme_id" = '{{ theme_filter }}'
+AND "rebrickable_sets"."theme_id" = {{ theme_filter }}
+{% endif %}
+
+{% if year_filter %}
+AND "rebrickable_sets"."year" = {{ year_filter }}
 {% endif %}
 
 {% if storage_filter %}

bricktracker/sql/set/list/consolidated.sql

@@ -0,0 +1,172 @@
+SELECT
+    (SELECT MIN("id") FROM "bricktracker_sets" WHERE "set" = "rebrickable_sets"."set") AS "id",
+    "rebrickable_sets"."set",
+    "rebrickable_sets"."number",
+    "rebrickable_sets"."version",
+    "rebrickable_sets"."name",
+    "rebrickable_sets"."year",
+    "rebrickable_sets"."theme_id",
+    "rebrickable_sets"."number_of_parts",
+    "rebrickable_sets"."image",
+    "rebrickable_sets"."url",
+    COUNT("bricktracker_sets"."id") AS "instance_count",
+    IFNULL(SUM("problem_join"."total_missing"), 0) AS "total_missing",
+    IFNULL(SUM("problem_join"."total_damaged"), 0) AS "total_damaged",
+    IFNULL(MAX("minifigures_join"."total"), 0) AS "total_minifigures",
+    -- Keep one representative instance for display purposes
+    GROUP_CONCAT("bricktracker_sets"."id", '|') AS "instance_ids",
+    REPLACE(GROUP_CONCAT(DISTINCT "bricktracker_sets"."storage"), ',', '|') AS "storage",
+    MIN("bricktracker_sets"."purchase_date") AS "purchase_date",
+    MAX("bricktracker_sets"."purchase_date") AS "purchase_date_max",
+    REPLACE(GROUP_CONCAT(DISTINCT "bricktracker_sets"."purchase_location"), ',', '|') AS "purchase_location",
+    ROUND(AVG("bricktracker_sets"."purchase_price"), 1) AS "purchase_price"
+    {% block owners %}
+        {% if owners_dict %}
+            {% for column, uuid in owners_dict.items() %}
+                , MAX("bricktracker_set_owners"."{{ column }}") AS "{{ column }}"
+            {% endfor %}
+        {% endif %}
+    {% endblock %}
+    {% block tags %}
+        {% if tags_dict %}
+            {% for column, uuid in tags_dict.items() %}
+                , MAX("bricktracker_set_tags"."{{ column }}") AS "{{ column }}"
+            {% endfor %}
+        {% endif %}
+    {% endblock %}
+    {% block statuses %}
+        {% if statuses_dict %}
+            {% for column, uuid in statuses_dict.items() %}
+                , MAX("bricktracker_set_statuses"."{{ column }}") AS "{{ column }}"
+                , IFNULL(SUM("bricktracker_set_statuses"."{{ column }}"), 0) AS "{{ column }}_count"
+            {% endfor %}
+        {% endif %}
+    {% endblock %}
+FROM "bricktracker_sets"
+
+INNER JOIN "rebrickable_sets"
+ON "bricktracker_sets"."set" IS NOT DISTINCT FROM "rebrickable_sets"."set"
+
+-- LEFT JOIN + SELECT to avoid messing the total
+LEFT JOIN (
+    SELECT
+        "bricktracker_parts"."id",
+        SUM("bricktracker_parts"."missing") AS "total_missing",
+        SUM("bricktracker_parts"."damaged") AS "total_damaged"
+    FROM "bricktracker_parts"
+    GROUP BY "bricktracker_parts"."id"
+) "problem_join"
+ON "bricktracker_sets"."id" IS NOT DISTINCT FROM "problem_join"."id"
+
+-- LEFT JOIN + SELECT to avoid messing the total
+LEFT JOIN (
+    SELECT
+       "bricktracker_minifigures"."id",
+       SUM("bricktracker_minifigures"."quantity") AS "total"
+    FROM "bricktracker_minifigures"
+    GROUP BY "bricktracker_minifigures"."id"
+) "minifigures_join"
+ON "bricktracker_sets"."id" IS NOT DISTINCT FROM "minifigures_join"."id"
+
+{% if owners_dict %}
+LEFT JOIN "bricktracker_set_owners"
+ON "bricktracker_sets"."id" IS NOT DISTINCT FROM "bricktracker_set_owners"."id"
+{% endif %}
+
+{% if statuses_dict %}
+LEFT JOIN "bricktracker_set_statuses"
+ON "bricktracker_sets"."id" IS NOT DISTINCT FROM "bricktracker_set_statuses"."id"
+{% endif %}
+
+{% if tags_dict %}
+LEFT JOIN "bricktracker_set_tags"
+ON "bricktracker_sets"."id" IS NOT DISTINCT FROM "bricktracker_set_tags"."id"
+{% endif %}
+
+{% block where %}
+WHERE 1=1
+{% if search_query %}
+AND (LOWER("rebrickable_sets"."name") LIKE LOWER('%{{ search_query }}%')
+   OR LOWER("rebrickable_sets"."set") LIKE LOWER('%{{ search_query }}%'))
+{% endif %}
+
+{% if theme_filter %}
+AND "rebrickable_sets"."theme_id" = {{ theme_filter }}
+{% endif %}
+
+{% if year_filter %}
+AND "rebrickable_sets"."year" = {{ year_filter }}
+{% endif %}
+
+{% if storage_filter %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND bs_filter."storage" = '{{ storage_filter }}'
+)
+{% endif %}
+
+{% if purchase_location_filter %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND bs_filter."purchase_location" = '{{ purchase_location_filter }}'
+)
+{% endif %}
+
+{% if status_filter %}
+{% if status_filter == 'has-storage' %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND bs_filter."storage" IS NOT NULL AND bs_filter."storage" != ''
+)
+{% elif status_filter == '-has-storage' %}
+AND NOT EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND bs_filter."storage" IS NOT NULL AND bs_filter."storage" != ''
+)
+{% elif status_filter.startswith('status-') %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    JOIN "bricktracker_set_statuses" ON bs_filter."id" = "bricktracker_set_statuses"."id"
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND "bricktracker_set_statuses"."{{ status_filter.replace('-', '_') }}" = 1
+)
+{% elif status_filter.startswith('-status-') %}
+AND NOT EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    JOIN "bricktracker_set_statuses" ON bs_filter."id" = "bricktracker_set_statuses"."id"
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND "bricktracker_set_statuses"."{{ status_filter[1:].replace('-', '_') }}" = 1
+)
+{% endif %}
+{% endif %}
+{% endblock %}
+
+GROUP BY "rebrickable_sets"."set"
+
+{% if status_filter %}
+{% if status_filter == 'has-missing' %}
+HAVING IFNULL(SUM("problem_join"."total_missing"), 0) > 0
+{% elif status_filter == '-has-missing' %}
+HAVING IFNULL(SUM("problem_join"."total_missing"), 0) = 0
+{% elif status_filter == 'has-damaged' %}
+HAVING IFNULL(SUM("problem_join"."total_damaged"), 0) > 0
+{% elif status_filter == '-has-damaged' %}
+HAVING IFNULL(SUM("problem_join"."total_damaged"), 0) = 0
+{% endif %}
+{% endif %}
+
+{% if order %}
+ORDER BY {{ order }}
+{% endif %}
+
+{% if limit %}
+LIMIT {{ limit }}
+{% endif %}
+
+{% if offset %}
+OFFSET {{ offset }}
+{% endif %}

bricktracker/sql/set/list/damaged_minifigure.sql

@@ -5,7 +5,7 @@ WHERE "bricktracker_sets"."id" IN (
     SELECT "bricktracker_parts"."id"
     FROM "bricktracker_parts"
     WHERE "bricktracker_parts"."figure" IS NOT DISTINCT FROM :figure
-    AND "bricktracker_parts"."missing" > 0
+    AND "bricktracker_parts"."damaged" > 0
     GROUP BY "bricktracker_parts"."id"
 )
 {% endblock %}

bricktracker/sql/set/list/themes_only.sql

@@ -0,0 +1,87 @@
+SELECT DISTINCT "rebrickable_sets"."theme_id"
+FROM "bricktracker_sets"
+
+INNER JOIN "rebrickable_sets"
+ON "bricktracker_sets"."set" IS NOT DISTINCT FROM "rebrickable_sets"."set"
+
+{% block where %}
+WHERE 1=1
+{% if search_query %}
+AND (LOWER("rebrickable_sets"."name") LIKE LOWER('%{{ search_query }}%')
+   OR LOWER("rebrickable_sets"."set") LIKE LOWER('%{{ search_query }}%'))
+{% endif %}
+
+{% if storage_filter %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND bs_filter."storage" = '{{ storage_filter }}'
+)
+{% endif %}
+
+{% if purchase_location_filter %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND bs_filter."purchase_location" = '{{ purchase_location_filter }}'
+)
+{% endif %}
+
+{% if status_filter %}
+{% if status_filter == 'has-storage' %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND bs_filter."storage" IS NOT NULL AND bs_filter."storage" != ''
+)
+{% elif status_filter == '-has-storage' %}
+AND NOT EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND bs_filter."storage" IS NOT NULL AND bs_filter."storage" != ''
+)
+{% elif status_filter.startswith('status-') %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    JOIN "bricktracker_set_statuses" ON bs_filter."id" = "bricktracker_set_statuses"."id"
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND "bricktracker_set_statuses"."{{ status_filter.replace('-', '_') }}" = 1
+)
+{% elif status_filter.startswith('-status-') %}
+AND NOT EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    JOIN "bricktracker_set_statuses" ON bs_filter."id" = "bricktracker_set_statuses"."id"
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND "bricktracker_set_statuses"."{{ status_filter[1:].replace('-', '_') }}" = 1
+)
+{% elif status_filter == 'has-missing' %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    JOIN "bricktracker_parts" ON bs_filter."id" = "bricktracker_parts"."id"
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND "bricktracker_parts"."missing" > 0
+)
+{% elif status_filter == '-has-missing' %}
+AND NOT EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    JOIN "bricktracker_parts" ON bs_filter."id" = "bricktracker_parts"."id"
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND "bricktracker_parts"."missing" > 0
+)
+{% elif status_filter == 'has-damaged' %}
+AND EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    JOIN "bricktracker_parts" ON bs_filter."id" = "bricktracker_parts"."id"
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND "bricktracker_parts"."damaged" > 0
+)
+{% elif status_filter == '-has-damaged' %}
+AND NOT EXISTS (
+    SELECT 1 FROM "bricktracker_sets" bs_filter
+    JOIN "bricktracker_parts" ON bs_filter."id" = "bricktracker_parts"."id"
+    WHERE bs_filter."set" = "rebrickable_sets"."set"
+    AND "bricktracker_parts"."damaged" > 0
+)
+{% endif %}
+{% endif %}
+{% endblock %}

bricktracker/sql/statistics/overview.sql

@@ -0,0 +1,33 @@
+-- Statistics Overview Query
+-- Provides statistics for BrickTracker dashboard
+
+SELECT
+    -- Basic counts
+    (SELECT COUNT(*) FROM "bricktracker_sets") AS "total_sets",
+    (SELECT COUNT(DISTINCT "bricktracker_sets"."set") FROM "bricktracker_sets") AS "unique_sets",
+    (SELECT COUNT(*) FROM "rebrickable_sets" WHERE "rebrickable_sets"."set" IN (SELECT DISTINCT "set" FROM "bricktracker_sets")) AS "unique_rebrickable_sets",
+
+    -- Parts statistics
+    (SELECT COUNT(*) FROM "bricktracker_parts") AS "total_part_instances",
+    (SELECT SUM("bricktracker_parts"."quantity") FROM "bricktracker_parts") AS "total_parts_count",
+    (SELECT COUNT(DISTINCT "bricktracker_parts"."part") FROM "bricktracker_parts") AS "unique_parts",
+    (SELECT SUM("bricktracker_parts"."missing") FROM "bricktracker_parts") AS "total_missing_parts",
+    (SELECT SUM("bricktracker_parts"."damaged") FROM "bricktracker_parts") AS "total_damaged_parts",
+
+    -- Minifigures statistics
+    (SELECT COUNT(*) FROM "bricktracker_minifigures") AS "total_minifigure_instances",
+    (SELECT SUM("bricktracker_minifigures"."quantity") FROM "bricktracker_minifigures") AS "total_minifigures_count",
+    (SELECT COUNT(DISTINCT "bricktracker_minifigures"."figure") FROM "bricktracker_minifigures") AS "unique_minifigures",
+
+    -- Financial statistics
+    (SELECT COUNT(*) FROM "bricktracker_sets" WHERE "purchase_price" IS NOT NULL) AS "sets_with_price",
+    (SELECT ROUND(SUM("purchase_price"), 2) FROM "bricktracker_sets" WHERE "purchase_price" IS NOT NULL) AS "total_cost",
+    (SELECT ROUND(AVG("purchase_price"), 2) FROM "bricktracker_sets" WHERE "purchase_price" IS NOT NULL) AS "average_cost",
+    (SELECT ROUND(MIN("purchase_price"), 2) FROM "bricktracker_sets" WHERE "purchase_price" IS NOT NULL) AS "minimum_cost",
+    (SELECT ROUND(MAX("purchase_price"), 2) FROM "bricktracker_sets" WHERE "purchase_price" IS NOT NULL) AS "maximum_cost",
+
+    -- Storage and location statistics
+    (SELECT COUNT(DISTINCT "storage") FROM "bricktracker_sets" WHERE "storage" IS NOT NULL) AS "storage_locations_used",
+    (SELECT COUNT(DISTINCT "purchase_location") FROM "bricktracker_sets" WHERE "purchase_location" IS NOT NULL) AS "purchase_locations_used",
+    (SELECT COUNT(*) FROM "bricktracker_sets" WHERE "storage" IS NOT NULL) AS "sets_with_storage",
+    (SELECT COUNT(*) FROM "bricktracker_sets" WHERE "purchase_location" IS NOT NULL) AS "sets_with_purchase_location"

bricktracker/sql/statistics/purchase_locations.sql

@@ -0,0 +1,45 @@
+-- Purchase Location Statistics
+-- Shows statistics grouped by purchase location
+
+SELECT
+    "bricktracker_sets"."purchase_location" AS "location_id",
+    "bricktracker_metadata_purchase_locations"."name" AS "location_name",
+    COUNT("bricktracker_sets"."id") AS "set_count",
+    COUNT(DISTINCT "bricktracker_sets"."set") AS "unique_set_count",
+    SUM("rebrickable_sets"."number_of_parts") AS "total_parts",
+    ROUND(AVG("rebrickable_sets"."number_of_parts"), 0) AS "avg_parts_per_set",
+    -- Financial statistics per purchase location
+    COUNT(CASE WHEN "bricktracker_sets"."purchase_price" IS NOT NULL THEN 1 END) AS "sets_with_price",
+    ROUND(SUM("bricktracker_sets"."purchase_price"), 2) AS "total_spent",
+    ROUND(AVG("bricktracker_sets"."purchase_price"), 2) AS "avg_price",
+    ROUND(MIN("bricktracker_sets"."purchase_price"), 2) AS "min_price",
+    ROUND(MAX("bricktracker_sets"."purchase_price"), 2) AS "max_price",
+    -- Date range statistics
+    MIN("bricktracker_sets"."purchase_date") AS "first_purchase",
+    MAX("bricktracker_sets"."purchase_date") AS "latest_purchase",
+    -- Problem statistics per purchase location
+    COALESCE(SUM("problem_stats"."missing_parts"), 0) AS "missing_parts",
+    COALESCE(SUM("problem_stats"."damaged_parts"), 0) AS "damaged_parts",
+    -- Minifigure statistics per purchase location
+    COALESCE(SUM("minifigure_stats"."minifigure_count"), 0) AS "total_minifigures"
+FROM "bricktracker_sets"
+INNER JOIN "rebrickable_sets" ON "bricktracker_sets"."set" = "rebrickable_sets"."set"
+LEFT JOIN "bricktracker_metadata_purchase_locations" ON "bricktracker_sets"."purchase_location" = "bricktracker_metadata_purchase_locations"."id"
+LEFT JOIN (
+    SELECT
+        "bricktracker_parts"."id",
+        SUM("bricktracker_parts"."missing") AS "missing_parts",
+        SUM("bricktracker_parts"."damaged") AS "damaged_parts"
+    FROM "bricktracker_parts"
+    GROUP BY "bricktracker_parts"."id"
+) "problem_stats" ON "bricktracker_sets"."id" = "problem_stats"."id"
+LEFT JOIN (
+    SELECT
+        "bricktracker_minifigures"."id",
+        SUM("bricktracker_minifigures"."quantity") AS "minifigure_count"
+    FROM "bricktracker_minifigures"
+    GROUP BY "bricktracker_minifigures"."id"
+) "minifigure_stats" ON "bricktracker_sets"."id" = "minifigure_stats"."id"
+WHERE "bricktracker_sets"."purchase_location" IS NOT NULL
+GROUP BY "bricktracker_sets"."purchase_location", "bricktracker_metadata_purchase_locations"."name"
+ORDER BY "set_count" DESC, "location_name" ASC

bricktracker/sql/statistics/purchases_by_year.sql

@@ -0,0 +1,49 @@
+-- Purchases by Year Statistics
+-- Shows statistics grouped by purchase year (when you bought the sets)
+
+SELECT
+    strftime('%Y', datetime("bricktracker_sets"."purchase_date", 'unixepoch')) AS "purchase_year",
+    COUNT("bricktracker_sets"."id") AS "total_sets",
+    COUNT(DISTINCT "bricktracker_sets"."set") AS "unique_sets",
+    SUM("rebrickable_sets"."number_of_parts") AS "total_parts",
+    ROUND(AVG("rebrickable_sets"."number_of_parts"), 0) AS "avg_parts_per_set",
+    -- Financial statistics per purchase year
+    COUNT(CASE WHEN "bricktracker_sets"."purchase_price" IS NOT NULL THEN 1 END) AS "sets_with_price",
+    ROUND(SUM("bricktracker_sets"."purchase_price"), 2) AS "total_spent",
+    ROUND(AVG("bricktracker_sets"."purchase_price"), 2) AS "avg_price_per_set",
+    ROUND(MIN("bricktracker_sets"."purchase_price"), 2) AS "min_price",
+    ROUND(MAX("bricktracker_sets"."purchase_price"), 2) AS "max_price",
+    -- Release year statistics for sets purchased in this year
+    MIN("rebrickable_sets"."year") AS "oldest_set_year",
+    MAX("rebrickable_sets"."year") AS "newest_set_year",
+    ROUND(AVG("rebrickable_sets"."year"), 0) AS "avg_set_release_year",
+    -- Problem statistics per purchase year
+    COALESCE(SUM("problem_stats"."missing_parts"), 0) AS "missing_parts",
+    COALESCE(SUM("problem_stats"."damaged_parts"), 0) AS "damaged_parts",
+    -- Minifigure statistics per purchase year
+    COALESCE(SUM("minifigure_stats"."minifigure_count"), 0) AS "total_minifigures",
+    -- Diversity statistics per purchase year
+    COUNT(DISTINCT "rebrickable_sets"."theme_id") AS "unique_themes",
+    COUNT(DISTINCT "bricktracker_sets"."purchase_location") AS "unique_purchase_locations",
+    -- Monthly statistics within the year
+    COUNT(DISTINCT strftime('%m', datetime("bricktracker_sets"."purchase_date", 'unixepoch'))) AS "months_with_purchases"
+FROM "bricktracker_sets"
+INNER JOIN "rebrickable_sets" ON "bricktracker_sets"."set" = "rebrickable_sets"."set"
+LEFT JOIN (
+    SELECT
+        "bricktracker_parts"."id",
+        SUM("bricktracker_parts"."missing") AS "missing_parts",
+        SUM("bricktracker_parts"."damaged") AS "damaged_parts"
+    FROM "bricktracker_parts"
+    GROUP BY "bricktracker_parts"."id"
+) "problem_stats" ON "bricktracker_sets"."id" = "problem_stats"."id"
+LEFT JOIN (
+    SELECT
+        "bricktracker_minifigures"."id",
+        SUM("bricktracker_minifigures"."quantity") AS "minifigure_count"
+    FROM "bricktracker_minifigures"
+    GROUP BY "bricktracker_minifigures"."id"
+) "minifigure_stats" ON "bricktracker_sets"."id" = "minifigure_stats"."id"
+WHERE "bricktracker_sets"."purchase_date" IS NOT NULL
+GROUP BY strftime('%Y', datetime("bricktracker_sets"."purchase_date", 'unixepoch'))
+ORDER BY "purchase_year" DESC

bricktracker/sql/statistics/sets_by_year.sql

@@ -0,0 +1,44 @@
+-- Sets by Year Statistics
+-- Shows statistics grouped by LEGO set release year
+
+SELECT
+    "rebrickable_sets"."year",
+    COUNT("bricktracker_sets"."id") AS "total_sets",
+    COUNT(DISTINCT "bricktracker_sets"."set") AS "unique_sets",
+    SUM("rebrickable_sets"."number_of_parts") AS "total_parts",
+    ROUND(AVG("rebrickable_sets"."number_of_parts"), 0) AS "avg_parts_per_set",
+    MIN("rebrickable_sets"."number_of_parts") AS "min_parts",
+    MAX("rebrickable_sets"."number_of_parts") AS "max_parts",
+    -- Financial statistics per year (release year)
+    COUNT(CASE WHEN "bricktracker_sets"."purchase_price" IS NOT NULL THEN 1 END) AS "sets_with_price",
+    ROUND(SUM("bricktracker_sets"."purchase_price"), 2) AS "total_spent",
+    ROUND(AVG("bricktracker_sets"."purchase_price"), 2) AS "avg_price_per_set",
+    ROUND(MIN("bricktracker_sets"."purchase_price"), 2) AS "min_price",
+    ROUND(MAX("bricktracker_sets"."purchase_price"), 2) AS "max_price",
+    -- Problem statistics per year
+    COALESCE(SUM("problem_stats"."missing_parts"), 0) AS "missing_parts",
+    COALESCE(SUM("problem_stats"."damaged_parts"), 0) AS "damaged_parts",
+    -- Minifigure statistics per year
+    COALESCE(SUM("minifigure_stats"."minifigure_count"), 0) AS "total_minifigures",
+    -- Theme diversity per year
+    COUNT(DISTINCT "rebrickable_sets"."theme_id") AS "unique_themes"
+FROM "bricktracker_sets"
+INNER JOIN "rebrickable_sets" ON "bricktracker_sets"."set" = "rebrickable_sets"."set"
+LEFT JOIN (
+    SELECT
+        "bricktracker_parts"."id",
+        SUM("bricktracker_parts"."missing") AS "missing_parts",
+        SUM("bricktracker_parts"."damaged") AS "damaged_parts"
+    FROM "bricktracker_parts"
+    GROUP BY "bricktracker_parts"."id"
+) "problem_stats" ON "bricktracker_sets"."id" = "problem_stats"."id"
+LEFT JOIN (
+    SELECT
+        "bricktracker_minifigures"."id",
+        SUM("bricktracker_minifigures"."quantity") AS "minifigure_count"
+    FROM "bricktracker_minifigures"
+    GROUP BY "bricktracker_minifigures"."id"
+) "minifigure_stats" ON "bricktracker_sets"."id" = "minifigure_stats"."id"
+WHERE "rebrickable_sets"."year" IS NOT NULL
+GROUP BY "rebrickable_sets"."year"
+ORDER BY "rebrickable_sets"."year" DESC

bricktracker/sql/statistics/storage.sql

@@ -0,0 +1,40 @@
+-- Storage Location Statistics
+-- Shows statistics grouped by storage location
+
+SELECT
+    "bricktracker_sets"."storage" AS "storage_id",
+    "bricktracker_metadata_storages"."name" AS "storage_name",
+    COUNT("bricktracker_sets"."id") AS "set_count",
+    COUNT(DISTINCT "bricktracker_sets"."set") AS "unique_set_count",
+    SUM("rebrickable_sets"."number_of_parts") AS "total_parts",
+    ROUND(AVG("rebrickable_sets"."number_of_parts"), 0) AS "avg_parts_per_set",
+    -- Financial statistics per storage
+    COUNT(CASE WHEN "bricktracker_sets"."purchase_price" IS NOT NULL THEN 1 END) AS "sets_with_price",
+    ROUND(SUM("bricktracker_sets"."purchase_price"), 2) AS "total_value",
+    ROUND(AVG("bricktracker_sets"."purchase_price"), 2) AS "avg_price",
+    -- Problem statistics per storage
+    COALESCE(SUM("problem_stats"."missing_parts"), 0) AS "missing_parts",
+    COALESCE(SUM("problem_stats"."damaged_parts"), 0) AS "damaged_parts",
+    -- Minifigure statistics per storage
+    COALESCE(SUM("minifigure_stats"."minifigure_count"), 0) AS "total_minifigures"
+FROM "bricktracker_sets"
+INNER JOIN "rebrickable_sets" ON "bricktracker_sets"."set" = "rebrickable_sets"."set"
+LEFT JOIN "bricktracker_metadata_storages" ON "bricktracker_sets"."storage" = "bricktracker_metadata_storages"."id"
+LEFT JOIN (
+    SELECT
+        "bricktracker_parts"."id",
+        SUM("bricktracker_parts"."missing") AS "missing_parts",
+        SUM("bricktracker_parts"."damaged") AS "damaged_parts"
+    FROM "bricktracker_parts"
+    GROUP BY "bricktracker_parts"."id"
+) "problem_stats" ON "bricktracker_sets"."id" = "problem_stats"."id"
+LEFT JOIN (
+    SELECT
+        "bricktracker_minifigures"."id",
+        SUM("bricktracker_minifigures"."quantity") AS "minifigure_count"
+    FROM "bricktracker_minifigures"
+    GROUP BY "bricktracker_minifigures"."id"
+) "minifigure_stats" ON "bricktracker_sets"."id" = "minifigure_stats"."id"
+WHERE "bricktracker_sets"."storage" IS NOT NULL
+GROUP BY "bricktracker_sets"."storage", "bricktracker_metadata_storages"."name"
+ORDER BY "set_count" DESC, "storage_name" ASC

bricktracker/sql/statistics/themes.sql

@@ -0,0 +1,39 @@
+-- Theme Distribution Statistics
+-- Shows statistics grouped by theme
+
+SELECT
+    "rebrickable_sets"."theme_id",
+    COUNT("bricktracker_sets"."id") AS "set_count",
+    COUNT(DISTINCT "bricktracker_sets"."set") AS "unique_set_count",
+    SUM("rebrickable_sets"."number_of_parts") AS "total_parts",
+    ROUND(AVG("rebrickable_sets"."number_of_parts"), 0) AS "avg_parts_per_set",
+    MIN("rebrickable_sets"."year") AS "earliest_year",
+    MAX("rebrickable_sets"."year") AS "latest_year",
+    -- Financial statistics per theme
+    COUNT(CASE WHEN "bricktracker_sets"."purchase_price" IS NOT NULL THEN 1 END) AS "sets_with_price",
+    ROUND(SUM("bricktracker_sets"."purchase_price"), 2) AS "total_spent",
+    ROUND(AVG("bricktracker_sets"."purchase_price"), 2) AS "avg_price",
+    -- Problem statistics per theme
+    COALESCE(SUM("problem_stats"."missing_parts"), 0) AS "missing_parts",
+    COALESCE(SUM("problem_stats"."damaged_parts"), 0) AS "damaged_parts",
+    -- Minifigure statistics per theme
+    COALESCE(SUM("minifigure_stats"."minifigure_count"), 0) AS "total_minifigures"
+FROM "bricktracker_sets"
+INNER JOIN "rebrickable_sets" ON "bricktracker_sets"."set" = "rebrickable_sets"."set"
+LEFT JOIN (
+    SELECT
+        "bricktracker_parts"."id",
+        SUM("bricktracker_parts"."missing") AS "missing_parts",
+        SUM("bricktracker_parts"."damaged") AS "damaged_parts"
+    FROM "bricktracker_parts"
+    GROUP BY "bricktracker_parts"."id"
+) "problem_stats" ON "bricktracker_sets"."id" = "problem_stats"."id"
+LEFT JOIN (
+    SELECT
+        "bricktracker_minifigures"."id",
+        SUM("bricktracker_minifigures"."quantity") AS "minifigure_count"
+    FROM "bricktracker_minifigures"
+    GROUP BY "bricktracker_minifigures"."id"
+) "minifigure_stats" ON "bricktracker_sets"."id" = "minifigure_stats"."id"
+GROUP BY "rebrickable_sets"."theme_id"
+ORDER BY "set_count" DESC, "rebrickable_sets"."theme_id" ASC

bricktracker/statistics.py

@@ -0,0 +1,132 @@
+"""
+Statistics module for BrickTracker
+Provides statistics and analytics functionality
+"""
+
+import logging
+from typing import Any
+
+from .sql import BrickSQL
+from .theme_list import BrickThemeList
+
+logger = logging.getLogger(__name__)
+
+
+class BrickStatistics:
+    """Main statistics class providing overview and detailed statistics"""
+
+    def __init__(self):
+        self.sql = BrickSQL()
+
+    def get_overview(self) -> dict[str, Any]:
+        """Get overview statistics"""
+        result = self.sql.fetchone('statistics/overview')
+        if result:
+            return dict(result)
+        return {}
+
+    def get_theme_statistics(self) -> list[dict[str, Any]]:
+        """Get statistics grouped by theme with theme names"""
+        results = self.sql.fetchall('statistics/themes')
+
+        # Load theme list to get theme names
+        theme_list = BrickThemeList()
+
+        statistics = []
+        for row in results:
+            stat = dict(row)
+            # Add theme name from theme list
+            theme = theme_list.get(stat['theme_id'])
+            stat['theme_name'] = theme.name if theme else f"Theme {stat['theme_id']}"
+            statistics.append(stat)
+
+        return statistics
+
+    def get_storage_statistics(self) -> list[dict[str, Any]]:
+        """Get statistics grouped by storage location"""
+        results = self.sql.fetchall('statistics/storage')
+        return [dict(row) for row in results]
+
+    def get_purchase_location_statistics(self) -> list[dict[str, Any]]:
+        """Get statistics grouped by purchase location"""
+        results = self.sql.fetchall('statistics/purchase_locations')
+        return [dict(row) for row in results]
+
+    def get_financial_summary(self) -> dict[str, Any]:
+        """Get financial summary from overview statistics"""
+        overview = self.get_overview()
+        return {
+            'total_cost': overview.get('total_cost', 0),
+            'average_cost': overview.get('average_cost', 0),
+            'minimum_cost': overview.get('minimum_cost', 0),
+            'maximum_cost': overview.get('maximum_cost', 0),
+            'sets_with_price': overview.get('sets_with_price', 0),
+            'total_sets': overview.get('total_sets', 0),
+            'percentage_with_price': round(
+                (overview.get('sets_with_price', 0) / max(overview.get('total_sets', 1), 1)) * 100, 1
+            )
+        }
+
+    def get_collection_summary(self) -> dict[str, Any]:
+        """Get collection summary from overview statistics"""
+        overview = self.get_overview()
+        return {
+            'total_sets': overview.get('total_sets', 0),
+            'unique_sets': overview.get('unique_sets', 0),
+            'total_parts_count': overview.get('total_parts_count', 0),
+            'unique_parts': overview.get('unique_parts', 0),
+            'total_minifigures_count': overview.get('total_minifigures_count', 0),
+            'unique_minifigures': overview.get('unique_minifigures', 0),
+            'total_missing_parts': overview.get('total_missing_parts', 0),
+            'total_damaged_parts': overview.get('total_damaged_parts', 0),
+            'storage_locations_used': overview.get('storage_locations_used', 0),
+            'purchase_locations_used': overview.get('purchase_locations_used', 0)
+        }
+
+    def get_sets_by_year_statistics(self) -> list[dict[str, Any]]:
+        """Get statistics grouped by LEGO set release year"""
+        results = self.sql.fetchall('statistics/sets_by_year')
+        return [dict(row) for row in results]
+
+    def get_purchases_by_year_statistics(self) -> list[dict[str, Any]]:
+        """Get statistics grouped by purchase year"""
+        results = self.sql.fetchall('statistics/purchases_by_year')
+        return [dict(row) for row in results]
+
+    def get_year_summary(self) -> dict[str, Any]:
+        """Get year-based summary statistics"""
+        sets_by_year = self.get_sets_by_year_statistics()
+        purchases_by_year = self.get_purchases_by_year_statistics()
+
+        # Calculate summary metrics
+        years_represented = len(sets_by_year)
+        years_with_purchases = len(purchases_by_year)
+
+        # Find peak year for collection (by set count)
+        peak_collection_year = None
+        max_sets_in_year = 0
+        if sets_by_year:
+            peak_year_data = max(sets_by_year, key=lambda x: x['total_sets'])
+            peak_collection_year = peak_year_data['year']
+            max_sets_in_year = peak_year_data['total_sets']
+
+        # Find peak spending year
+        peak_spending_year = None
+        max_spending = 0
+        if purchases_by_year:
+            spending_years = [y for y in purchases_by_year if y.get('total_spent')]
+            if spending_years:
+                peak_spending_data = max(spending_years, key=lambda x: x['total_spent'] or 0)
+                peak_spending_year = peak_spending_data['purchase_year']
+                max_spending = peak_spending_data['total_spent']
+
+        return {
+            'years_represented': years_represented,
+            'years_with_purchases': years_with_purchases,
+            'peak_collection_year': peak_collection_year,
+            'max_sets_in_year': max_sets_in_year,
+            'peak_spending_year': peak_spending_year,
+            'max_spending': max_spending,
+            'oldest_set_year': min([y['year'] for y in sets_by_year]) if sets_by_year else None,
+            'newest_set_year': max([y['year'] for y in sets_by_year]) if sets_by_year else None
+        }

bricktracker/version.py

@@ -1,4 +1,4 @@
 from typing import Final
 
-__version__: Final[str] = '1.2.5'
+__version__: Final[str] = '1.3.0'
-__database_version__: Final[int] = 17
+__database_version__: Final[int] = 18

bricktracker/views/set.py

@@ -46,6 +46,7 @@ def list() -> str:
     purchase_location_filter = request.args.get('purchase_location')
     storage_filter = request.args.get('storage')
     tag_filter = request.args.get('tag')
+    year_filter = request.args.get('year')
 
     # Get pagination configuration
     per_page, is_mobile = get_pagination_config('sets')
@@ -64,15 +65,30 @@ def list() -> str:
             owner_filter=owner_filter,
             purchase_location_filter=purchase_location_filter,
             storage_filter=storage_filter,
-            tag_filter=tag_filter
+            tag_filter=tag_filter,
+            year_filter=year_filter,
+            use_consolidated=current_app.config['SETS_CONSOLIDATION']
         )
 
         pagination_context = build_pagination_context(page, per_page, total_count, is_mobile)
     else:
         # ORIGINAL MODE - Single page with all data for client-side search
+        if current_app.config['SETS_CONSOLIDATION']:
+            sets = BrickSetList().all_consolidated()
+        else:
             sets = BrickSetList().all()
         pagination_context = None
 
+    # Convert theme ID to theme name for dropdown display if needed
+    display_theme_filter = theme_filter
+    if theme_filter and theme_filter.isdigit():
+        # Theme filter is an ID, convert to name for dropdown
+        # Create a fresh BrickSetList instance for theme conversion
+        converter = BrickSetList()
+        theme_name = converter._theme_id_to_name(theme_filter)
+        if theme_name:
+            display_theme_filter = theme_name
+
     template_context = {
         'collection': sets,
         'search_query': search_query,
@@ -80,11 +96,12 @@ def list() -> str:
         'current_sort': sort_field,
         'current_order': sort_order,
         'current_status_filter': status_filter,
-        'current_theme_filter': theme_filter,
+        'current_theme_filter': display_theme_filter,
         'current_owner_filter': owner_filter,
         'current_purchase_location_filter': purchase_location_filter,
         'current_storage_filter': storage_filter,
         'current_tag_filter': tag_filter,
+        'current_year_filter': year_filter,
         'brickset_statuses': BrickSetStatusList.list(),
         **set_metadata_lists(as_class=True)
     }
@@ -239,9 +256,40 @@ def deleted(*, id: str) -> str:
 @set_page.route('/<id>/details', methods=['GET'])
 @exception_handler(__file__)
 def details(*, id: str) -> str:
+    # Load the specific set
+    item = BrickSet().select_specific(id)
+
+    # Check if there are multiple instances of this set
+    all_instances = BrickSetList()
+    # Load all sets with metadata context for tags, owners, etc.
+    filter_context = {
+        'owners': BrickSetOwnerList.as_columns(),
+        'statuses': BrickSetStatusList.as_columns(),
+        'tags': BrickSetTagList.as_columns(),
+    }
+    all_instances.list(do_theme=True, **filter_context)
+
+    # Find all instances with the same set number
+    same_set_instances = [
+        record for record in all_instances.records
+        if record.fields.set == item.fields.set
+    ]
+
+    # If consolidation is enabled and multiple instances exist, show consolidated view
+    if current_app.config['SETS_CONSOLIDATION'] and len(same_set_instances) > 1:
         return render_template(
             'set.html',
-        item=BrickSet().select_specific(id),
+            item=item,
+            all_instances=same_set_instances,
+            open_instructions=request.args.get('open_instructions'),
+            brickset_statuses=BrickSetStatusList.list(all=True),
+            **set_metadata_lists(as_class=True)
+        )
+    else:
+        # Single instance or consolidation disabled, show normal view
+        return render_template(
+            'set.html',
+            item=item,
             open_instructions=request.args.get('open_instructions'),
             brickset_statuses=BrickSetStatusList.list(all=True),
             **set_metadata_lists(as_class=True)
@@ -294,6 +342,50 @@ def problem_part(
     return jsonify({problem: amount})
 
 
+# Update checked state of parts during walkthrough
+@set_page.route('/<id>/parts/<part>/<int:color>/<int:spare>/checked', defaults={'figure': None}, methods=['POST'])  # noqa: E501
+@set_page.route('/<id>/minifigures/<figure>/parts/<part>/<int:color>/<int:spare>/checked', methods=['POST'])  # noqa: E501
+@login_required
+@exception_handler(__file__, json=True)
+def checked_part(
+    *,
+    id: str,
+    figure: str | None,
+    part: str,
+    color: int,
+    spare: int,
+) -> Response:
+    brickset = BrickSet().select_specific(id)
+
+    if figure is not None:
+        brickminifigure = BrickMinifigure().select_specific(brickset, figure)
+    else:
+        brickminifigure = None
+
+    brickpart = BrickPart().select_specific(
+        brickset,
+        part,
+        color,
+        spare,
+        minifigure=brickminifigure,
+    )
+
+    checked = brickpart.update_checked(request.json)
+
+    # Info
+    logger.info('Set {set} ({id}): updated part ({part} color: {color}, spare: {spare}, minifigure: {figure}) checked state to {checked}'.format(  # noqa: E501
+        set=brickset.fields.set,
+        id=brickset.fields.id,
+        figure=figure,
+        part=brickpart.fields.part,
+        color=brickpart.fields.color,
+        spare=brickpart.fields.spare,
+        checked=checked
+    ))
+
+    return jsonify({'checked': checked})
+
+
 # Refresh a set
 @set_page.route('/refresh/<set>/', methods=['GET'])
 @set_page.route('/<id>/refresh', methods=['GET'])

bricktracker/views/statistics.py

@@ -0,0 +1,189 @@
+"""
+Statistics views for BrickTracker
+Provides statistics and analytics pages
+"""
+
+import logging
+
+from flask import Blueprint, render_template, request, url_for, redirect, current_app
+from werkzeug.wrappers.response import Response
+
+from .exceptions import exception_handler
+from ..statistics import BrickStatistics
+
+logger = logging.getLogger(__name__)
+
+statistics_page = Blueprint('statistics', __name__, url_prefix='/statistics')
+
+
+@statistics_page.route('/', methods=['GET'])
+@exception_handler(__file__)
+def overview() -> str:
+    """Statistics overview page with metrics"""
+
+    stats = BrickStatistics()
+
+    # Get all statistics data
+    overview_stats = stats.get_overview()
+    theme_stats = stats.get_theme_statistics()
+    storage_stats = stats.get_storage_statistics()
+    purchase_location_stats = stats.get_purchase_location_statistics()
+    financial_summary = stats.get_financial_summary()
+    collection_summary = stats.get_collection_summary()
+    sets_by_year_stats = stats.get_sets_by_year_statistics()
+    purchases_by_year_stats = stats.get_purchases_by_year_statistics()
+    year_summary = stats.get_year_summary()
+
+    # Prepare chart data for visualization (only if charts are enabled)
+    chart_data = {}
+    if current_app.config['STATISTICS_SHOW_CHARTS']:
+        chart_data = prepare_chart_data(sets_by_year_stats, purchases_by_year_stats)
+
+    # Get filter parameters for clickable statistics
+    filter_type = request.args.get('filter_type')
+    filter_value = request.args.get('filter_value')
+
+    # If a filter is applied, redirect to sets page with appropriate filters
+    if filter_type and filter_value:
+        return redirect_to_filtered_sets(filter_type, filter_value)
+
+    return render_template(
+        'statistics.html',
+        overview=overview_stats,
+        theme_statistics=theme_stats,
+        storage_statistics=storage_stats,
+        purchase_location_statistics=purchase_location_stats,
+        financial_summary=financial_summary,
+        collection_summary=collection_summary,
+        sets_by_year_statistics=sets_by_year_stats,
+        purchases_by_year_statistics=purchases_by_year_stats,
+        year_summary=year_summary,
+        chart_data=chart_data,
+        title="Statistics Overview"
+    )
+
+
+def redirect_to_filtered_sets(filter_type: str, filter_value: str) -> Response:
+    """Redirect to sets page with appropriate filters based on statistics click"""
+
+    # Map filter types to sets page parameters
+    filter_mapping = {
+        'theme': {'theme': filter_value},
+        'storage': {'storage': filter_value},
+        'purchase_location': {'purchase_location': filter_value},
+        'has_price': {'has_price': '1'} if filter_value == '1' else {},
+        'missing_parts': {'status': 'has-missing'},
+        'damaged_parts': {'status': 'has-damaged'},
+        'has_storage': {'status': 'has-storage'},
+        'no_storage': {'status': '-has-storage'},
+    }
+
+    # Get the appropriate filter parameters
+    filter_params = filter_mapping.get(filter_type, {})
+
+    if filter_params:
+        return redirect(url_for('set.list', **filter_params))
+    else:
+        # Default fallback to sets page
+        return redirect(url_for('set.list'))
+
+
+@statistics_page.route('/themes', methods=['GET'])
+@exception_handler(__file__)
+def themes() -> str:
+    """Detailed theme statistics page"""
+
+    stats = BrickStatistics()
+    theme_stats = stats.get_theme_statistics()
+
+    return render_template(
+        'statistics_themes.html',
+        theme_statistics=theme_stats,
+        title="Theme Statistics"
+    )
+
+
+@statistics_page.route('/storage', methods=['GET'])
+@exception_handler(__file__)
+def storage() -> str:
+    """Detailed storage statistics page"""
+
+    stats = BrickStatistics()
+    storage_stats = stats.get_storage_statistics()
+
+    return render_template(
+        'statistics_storage.html',
+        storage_statistics=storage_stats,
+        title="Storage Statistics"
+    )
+
+
+@statistics_page.route('/purchase-locations', methods=['GET'])
+@exception_handler(__file__)
+def purchase_locations() -> str:
+    """Detailed purchase location statistics page"""
+
+    stats = BrickStatistics()
+    purchase_stats = stats.get_purchase_location_statistics()
+
+    return render_template(
+        'statistics_purchase_locations.html',
+        purchase_location_statistics=purchase_stats,
+        title="Purchase Location Statistics"
+    )
+
+
+def prepare_chart_data(sets_by_year_stats, purchases_by_year_stats):
+    """Prepare data for Chart.js visualization"""
+    import json
+
+    # Get all years from both datasets
+    all_years = set()
+
+    # Add years from sets by year
+    if sets_by_year_stats:
+        for year_stat in sets_by_year_stats:
+            if 'year' in year_stat:
+                all_years.add(year_stat['year'])
+
+    # Add years from purchases by year
+    if purchases_by_year_stats:
+        for year_stat in purchases_by_year_stats:
+            if 'purchase_year' in year_stat:
+                all_years.add(int(year_stat['purchase_year']))
+
+    # Create sorted list of years
+    years = sorted(list(all_years))
+
+    # Initialize data arrays
+    sets_data = []
+    parts_data = []
+    minifigs_data = []
+
+    # Create lookup dictionaries for quick access
+    sets_by_year_lookup = {}
+    if sets_by_year_stats:
+        for year_stat in sets_by_year_stats:
+            if 'year' in year_stat:
+                sets_by_year_lookup[year_stat['year']] = year_stat
+
+    # Fill data arrays
+    for year in years:
+        # Get sets and parts data from sets_by_year
+        year_data = sets_by_year_lookup.get(year)
+        if year_data:
+            sets_data.append(year_data.get('total_sets', 0))
+            parts_data.append(year_data.get('total_parts', 0))
+            # Use actual minifigure count from the database
+            minifigs_data.append(year_data.get('total_minifigures', 0))
+        else:
+            sets_data.append(0)
+            parts_data.append(0)
+            minifigs_data.append(0)
+
+    return {
+        'years': json.dumps(years),
+        'sets_data': json.dumps(sets_data),
+        'parts_data': json.dumps(parts_data),
+        'minifigs_data': json.dumps(minifigs_data)
+    }

static/scripts/grid/filter.js

@@ -91,7 +91,7 @@ class BrickGridFilter {
                                 attribute: select.value,
                                 bool: true,
                                 value: "1"
-                            })
+                            });
                         }
                     break;
                 }
@@ -106,19 +106,48 @@ class BrickGridFilter {
                 const attribute = current.getAttribute(`data-${filter.attribute}`);
 
                 // Bool check
-                // Attribute not equal value, or undefined and value is truthy
+                // For boolean attributes (like owner/tag filtering)
                 if (filter.bool) {
-                    if ((attribute != null && attribute != filter.value) || (attribute == null && filter.value == "1")) {
+                    if (filter.value == "1") {
+                        // Looking for sets WITH this attribute
+                        // Hide if attribute is missing (null) or explicitly "0"
+                        // For owner/tag attributes: missing = doesn't have this owner/tag
+                        if (attribute == null || attribute == "0") {
                             current.parentElement.classList.add("d-none");
                             return;
                         }
+                    } else if (filter.value == "0") {
+                        // Looking for sets WITHOUT this attribute
+                        // Hide if attribute is present and "1"
+                        // For owner/tag attributes: present and "1" = has this owner/tag
+                        if (attribute == "1") {
+                            current.parentElement.classList.add("d-none");
+                            return;
+                        }
+                        // Note: null (missing) is treated as "doesn't have" which is what we want for value="0"
+                    }
                 }
 
                 // Value check
-                // Attribute not equal value, or attribute undefined
+                // For consolidated cards, attributes may be comma or pipe-separated (e.g., "storage1,storage2" or "storage1|storage2")
-                else if ((attribute != null && attribute != filter.value) || attribute == null) {
+                else if (attribute == null) {
+                    // Hide if attribute is missing
                     current.parentElement.classList.add("d-none");
                     return;
+                } else if (attribute.includes(',') || attribute.includes('|')) {
+                    // Handle comma or pipe-separated values (consolidated cards)
+                    const separator = attribute.includes('|') ? '|' : ',';
+                    const values = attribute.split(separator).map(v => v.trim());
+                    if (!values.includes(filter.value)) {
+                        current.parentElement.classList.add("d-none");
+                        return;
+                    }
+                } else {
+                    // Handle single values (regular cards)
+                    if (attribute != filter.value) {
+                        current.parentElement.classList.add("d-none");
+                        return;
+                    }
                 }
             }
 

static/scripts/grid/grid.js

@@ -17,7 +17,13 @@ class BrickGrid {
     }
 }
 
+// Global grid instances storage
+window.gridInstances = {};
+
 // Helper to setup the grids
 const setup_grids = () => document.querySelectorAll('*[data-grid="true"]').forEach(
-    el => new BrickGrid(el)
+    el => {
+        const grid = new BrickGrid(el);
+        window.gridInstances[el.id] = grid;
+    }
 );

static/scripts/parts-bulk-operations.js

@@ -0,0 +1,182 @@
+// Bulk operations for parts in set details page
+class PartsBulkOperations {
+    constructor(accordionId) {
+        this.accordionId = accordionId;
+        this.setupModal();
+        this.setupEventListeners();
+    }
+
+    setupModal() {
+        // Create Bootstrap modal if it doesn't exist
+        if (!document.getElementById('partsConfirmModal')) {
+            const modalHTML = `
+                <div class="modal fade" id="partsConfirmModal" tabindex="-1" aria-labelledby="partsConfirmModalLabel" aria-hidden="true">
+                    <div class="modal-dialog">
+                        <div class="modal-content">
+                            <div class="modal-header">
+                                <h5 class="modal-title" id="partsConfirmModalLabel">Confirm Action</h5>
+                                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                            </div>
+                            <div class="modal-body">
+                                <p id="partsConfirmModalMessage"></p>
+                            </div>
+                            <div class="modal-footer">
+                                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
+                                <button type="button" class="btn btn-primary" id="partsConfirmModalConfirm">Confirm</button>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            `;
+            document.body.insertAdjacentHTML('beforeend', modalHTML);
+        }
+    }
+
+    setupEventListeners() {
+        // Mark all as missing (only if missing parts are not hidden)
+        const markAllMissingBtn = document.getElementById(`mark-all-missing-${this.accordionId}`);
+        if (markAllMissingBtn) {
+            markAllMissingBtn.addEventListener('click', (e) => {
+                e.preventDefault();
+                this.confirmAndExecute(
+                    'Mark all parts as missing?',
+                    'This will set the missing count to the maximum quantity for all parts in this section.',
+                    () => this.markAllMissing()
+                );
+            });
+        }
+
+        // Clear all missing (only if missing parts are not hidden)
+        const clearAllMissingBtn = document.getElementById(`clear-all-missing-${this.accordionId}`);
+        if (clearAllMissingBtn) {
+            clearAllMissingBtn.addEventListener('click', (e) => {
+                e.preventDefault();
+                this.confirmAndExecute(
+                    'Clear all missing parts?',
+                    'This will clear the missing field for all parts in this section.',
+                    () => this.clearAllMissing()
+                );
+            });
+        }
+
+        // Check all checkboxes (only if checked parts are not hidden)
+        const checkAllBtn = document.getElementById(`check-all-${this.accordionId}`);
+        if (checkAllBtn) {
+            checkAllBtn.addEventListener('click', (e) => {
+                e.preventDefault();
+                this.checkAll();
+            });
+        }
+
+        // Uncheck all checkboxes (only if checked parts are not hidden)
+        const uncheckAllBtn = document.getElementById(`uncheck-all-${this.accordionId}`);
+        if (uncheckAllBtn) {
+            uncheckAllBtn.addEventListener('click', (e) => {
+                e.preventDefault();
+                this.uncheckAll();
+            });
+        }
+    }
+
+    confirmAndExecute(title, message, callback) {
+        const modal = document.getElementById('partsConfirmModal');
+        const modalTitle = document.getElementById('partsConfirmModalLabel');
+        const modalMessage = document.getElementById('partsConfirmModalMessage');
+        const confirmBtn = document.getElementById('partsConfirmModalConfirm');
+
+        // Set modal content
+        modalTitle.textContent = title;
+        modalMessage.textContent = message;
+
+        // Remove any existing event listeners and add new one
+        const newConfirmBtn = confirmBtn.cloneNode(true);
+        confirmBtn.parentNode.replaceChild(newConfirmBtn, confirmBtn);
+
+        newConfirmBtn.addEventListener('click', () => {
+            const modalInstance = bootstrap.Modal.getInstance(modal);
+            modalInstance.hide();
+            callback();
+        });
+
+        // Show modal
+        const modalInstance = new bootstrap.Modal(modal);
+        modalInstance.show();
+    }
+
+    markAllMissing() {
+        const accordionElement = document.getElementById(this.accordionId);
+        if (!accordionElement) return;
+
+        // Find all rows in this accordion
+        const rows = accordionElement.querySelectorAll('tbody tr');
+        rows.forEach(row => {
+            // Find the quantity cell (usually 4th column)
+            const quantityCell = row.cells[3]; // Index 3 for quantity column
+            const missingInput = row.querySelector('input[id*="-missing-"]');
+
+            if (quantityCell && missingInput) {
+                // Extract quantity from cell text content
+                const quantityText = quantityCell.textContent.trim();
+                const quantity = parseInt(quantityText) || 1; // Default to 1 if can't parse
+
+                if (missingInput.value !== quantity.toString()) {
+                    missingInput.value = quantity.toString();
+                    // Trigger change event to activate BrickChanger
+                    missingInput.dispatchEvent(new Event('change', { bubbles: true }));
+                }
+            }
+        });
+    }
+
+    clearAllMissing() {
+        const accordionElement = document.getElementById(this.accordionId);
+        if (!accordionElement) return;
+
+        const missingInputs = accordionElement.querySelectorAll('input[id*="-missing-"]');
+        missingInputs.forEach(input => {
+            if (input.value !== '') {
+                input.value = '';
+                // Trigger change event to activate BrickChanger
+                input.dispatchEvent(new Event('change', { bubbles: true }));
+            }
+        });
+    }
+
+    checkAll() {
+        const accordionElement = document.getElementById(this.accordionId);
+        if (!accordionElement) return;
+
+        const checkboxes = accordionElement.querySelectorAll('input[id*="-checked-"][type="checkbox"]');
+        checkboxes.forEach(checkbox => {
+            if (!checkbox.checked) {
+                checkbox.checked = true;
+                // Trigger change event to activate BrickChanger
+                checkbox.dispatchEvent(new Event('change', { bubbles: true }));
+            }
+        });
+    }
+
+    uncheckAll() {
+        const accordionElement = document.getElementById(this.accordionId);
+        if (!accordionElement) return;
+
+        const checkboxes = accordionElement.querySelectorAll('input[id*="-checked-"][type="checkbox"]');
+        checkboxes.forEach(checkbox => {
+            if (checkbox.checked) {
+                checkbox.checked = false;
+                // Trigger change event to activate BrickChanger
+                checkbox.dispatchEvent(new Event('change', { bubbles: true }));
+            }
+        });
+    }
+}
+
+// Initialize bulk operations for all part accordions when DOM is ready
+document.addEventListener('DOMContentLoaded', () => {
+    // Find all hamburger menus and initialize bulk operations
+    const hamburgerMenus = document.querySelectorAll('button[id^="hamburger-"]');
+    hamburgerMenus.forEach(button => {
+        const accordionId = button.id.replace('hamburger-', '');
+        new PartsBulkOperations(accordionId);
+    });
+});

static/scripts/set-details.js

@@ -0,0 +1,15 @@
+// Set details page functionality
+document.addEventListener('DOMContentLoaded', function() {
+  const collapseElement = document.getElementById('all-instances');
+  const toggleIcon = document.getElementById('copies-toggle-icon');
+
+  if (collapseElement && toggleIcon) {
+    collapseElement.addEventListener('shown.bs.collapse', function() {
+      toggleIcon.className = 'ri-arrow-up-s-line fs-4';
+    });
+
+    collapseElement.addEventListener('hidden.bs.collapse', function() {
+      toggleIcon.className = 'ri-arrow-down-s-line fs-4';
+    });
+  }
+});

static/scripts/sets.js

@@ -68,6 +68,9 @@ document.addEventListener("DOMContentLoaded", () => {
       // Setup filter dropdowns for pagination mode
       setupPaginationFilterDropdowns();
 
+      // Initialize filter dropdowns from URL parameters
+      initializeFilterDropdowns();
+
       // Initialize sort button states and icons for pagination mode
       const urlParams = new URLSearchParams(window.location.search);
       const currentSort = urlParams.get('sort');
@@ -75,8 +78,9 @@ document.addEventListener("DOMContentLoaded", () => {
       window.initializeSortButtonStates(currentSort, currentOrder);
 
     } else {
-      // ORIGINAL MODE - Grid search functionality is handled by existing grid scripts
+      // ORIGINAL MODE - Client-side filtering with grid scripts
-      // No additional setup needed here
+      // Initialize filter dropdowns from URL parameters for client-side mode too
+      initializeClientSideFilterDropdowns();
     }
   }
 });
@@ -131,6 +135,195 @@ function setupPaginationSortButtons() {
   }
 }
 
+function initializeFilterDropdowns() {
+  // Set filter dropdown values from URL parameters
+  const urlParams = new URLSearchParams(window.location.search);
+
+  // Set each filter dropdown value if the parameter exists
+  const yearParam = urlParams.get('year');
+  if (yearParam) {
+    const yearDropdown = document.getElementById('grid-year');
+    if (yearDropdown) {
+      yearDropdown.value = yearParam;
+    }
+  }
+
+  const themeParam = urlParams.get('theme');
+  if (themeParam) {
+    const themeDropdown = document.getElementById('grid-theme');
+    if (themeDropdown) {
+      // Try to set the theme value directly first (for theme names)
+      themeDropdown.value = themeParam;
+
+      // If that didn't work and the param is numeric (theme ID),
+      // try to find the corresponding theme name by looking at cards
+      if (themeDropdown.value !== themeParam && /^\d+$/.test(themeParam)) {
+        // Look for a card with this theme ID and get its theme name
+        const cardWithTheme = document.querySelector(`[data-theme-id="${themeParam}"]`);
+        if (cardWithTheme) {
+          const themeName = cardWithTheme.getAttribute('data-theme');
+          if (themeName) {
+            themeDropdown.value = themeName;
+          }
+        }
+      }
+    }
+  }
+
+  const statusParam = urlParams.get('status');
+  if (statusParam) {
+    const statusDropdown = document.getElementById('grid-status');
+    if (statusDropdown) {
+      statusDropdown.value = statusParam;
+    }
+  }
+
+  const ownerParam = urlParams.get('owner');
+  if (ownerParam) {
+    const ownerDropdown = document.getElementById('grid-owner');
+    if (ownerDropdown) {
+      ownerDropdown.value = ownerParam;
+    }
+  }
+
+  const purchaseLocationParam = urlParams.get('purchase_location');
+  if (purchaseLocationParam) {
+    const purchaseLocationDropdown = document.getElementById('grid-purchase-location');
+    if (purchaseLocationDropdown) {
+      purchaseLocationDropdown.value = purchaseLocationParam;
+    }
+  }
+
+  const storageParam = urlParams.get('storage');
+  if (storageParam) {
+    const storageDropdown = document.getElementById('grid-storage');
+    if (storageDropdown) {
+      storageDropdown.value = storageParam;
+    }
+  }
+
+  const tagParam = urlParams.get('tag');
+  if (tagParam) {
+    const tagDropdown = document.getElementById('grid-tag');
+    if (tagDropdown) {
+      tagDropdown.value = tagParam;
+    }
+  }
+}
+
+function initializeClientSideFilterDropdowns() {
+  // Set filter dropdown values from URL parameters and trigger filtering for client-side mode
+  const urlParams = new URLSearchParams(window.location.search);
+  let needsFiltering = false;
+
+  // Check if we have any filter parameters to avoid flash of all content
+  const hasFilterParams = urlParams.has('year') || urlParams.has('theme') || urlParams.has('storage') || urlParams.has('purchase_location');
+
+  // If we have filter parameters, temporarily hide the grid to prevent flash
+  if (hasFilterParams) {
+    const gridElement = document.querySelector('#grid');
+    if (gridElement && gridElement.getAttribute('data-grid') === 'true') {
+      gridElement.style.opacity = '0';
+    }
+  }
+
+  // Set year filter if parameter exists
+  const yearParam = urlParams.get('year');
+  if (yearParam) {
+    const yearDropdown = document.getElementById('grid-year');
+    if (yearDropdown) {
+      yearDropdown.value = yearParam;
+      needsFiltering = true;
+    }
+  }
+
+  // Set theme filter - handle both theme names and theme IDs
+  const themeParam = urlParams.get('theme');
+  if (themeParam) {
+    const themeDropdown = document.getElementById('grid-theme');
+    if (themeDropdown) {
+      if (/^\d+$/.test(themeParam)) {
+        // Theme parameter is an ID, need to convert to theme name by looking at cards
+        const themeNameFromId = findThemeNameById(themeParam);
+        if (themeNameFromId) {
+          themeDropdown.value = themeNameFromId;
+          needsFiltering = true;
+        }
+      } else {
+        // Theme parameter is already a name
+        themeDropdown.value = themeParam.toLowerCase();
+        needsFiltering = true;
+      }
+    }
+  }
+
+  // Set storage filter if parameter exists
+  const storageParam = urlParams.get('storage');
+  if (storageParam) {
+    const storageDropdown = document.getElementById('grid-storage');
+    if (storageDropdown) {
+      storageDropdown.value = storageParam;
+      needsFiltering = true;
+    }
+  }
+
+  // Set purchase location filter if parameter exists
+  const purchaseLocationParam = urlParams.get('purchase_location');
+  if (purchaseLocationParam) {
+    const purchaseLocationDropdown = document.getElementById('grid-purchase-location');
+    if (purchaseLocationDropdown) {
+      purchaseLocationDropdown.value = purchaseLocationParam;
+      needsFiltering = true;
+    }
+  }
+
+  // Trigger filtering if any parameters were set
+  if (needsFiltering) {
+    // Try to trigger filtering immediately
+    const tryToFilter = () => {
+      const gridElement = document.querySelector('#grid');
+      if (gridElement && gridElement.getAttribute('data-grid') === 'true' && window.gridInstances) {
+        const gridInstance = window.gridInstances[gridElement.id];
+        if (gridInstance && gridInstance.filter) {
+          // This is client-side mode, trigger the filter directly
+          gridInstance.filter.filter();
+
+          // Show the grid again after filtering
+          if (hasFilterParams) {
+            gridElement.style.opacity = '1';
+            gridElement.style.transition = 'opacity 0.2s ease-in-out';
+          }
+
+          return true;
+        }
+      }
+      return false;
+    };
+
+    // Try filtering immediately
+    if (!tryToFilter()) {
+      // If not ready, try again with a shorter delay
+      setTimeout(() => {
+        if (!tryToFilter()) {
+          // Final attempt with longer delay
+          setTimeout(tryToFilter, 100);
+        }
+      }, 50);
+    }
+  }
+}
+
+function findThemeNameById(themeId) {
+  // Look through all cards to find the theme name for this theme ID
+  const cards = document.querySelectorAll('.card[data-theme-id]');
+  for (const card of cards) {
+    if (card.getAttribute('data-theme-id') === themeId) {
+      return card.getAttribute('data-theme');
+    }
+  }
+  return null;
+}
+
 function setupPaginationFilterDropdowns() {
   // Filter dropdown functionality for pagination mode
   const filterDropdowns = document.querySelectorAll('#grid-filter select');
@@ -147,6 +340,7 @@ function setupPaginationFilterDropdowns() {
     // Get all filter values
     const statusFilter = document.getElementById('grid-status')?.value || '';
     const themeFilter = document.getElementById('grid-theme')?.value || '';
+    const yearFilter = document.getElementById('grid-year')?.value || '';
     const ownerFilter = document.getElementById('grid-owner')?.value || '';
     const purchaseLocationFilter = document.getElementById('grid-purchase-location')?.value || '';
     const storageFilter = document.getElementById('grid-storage')?.value || '';
@@ -165,6 +359,12 @@ function setupPaginationFilterDropdowns() {
       currentUrl.searchParams.delete('theme');
     }
 
+    if (yearFilter) {
+      currentUrl.searchParams.set('year', yearFilter);
+    } else {
+      currentUrl.searchParams.delete('year');
+    }
+
     if (ownerFilter) {
       currentUrl.searchParams.set('owner', ownerFilter);
     } else {
@@ -194,3 +394,169 @@ function setupPaginationFilterDropdowns() {
     window.location.href = currentUrl.toString();
   }
 }
+
+// Set grouping functionality
+function initializeSetGrouping() {
+  const groupToggle = document.getElementById('group-identical-sets');
+  if (!groupToggle) return;
+
+  // Load saved state from localStorage
+  const savedState = localStorage.getItem('groupIdenticalSets') === 'true';
+  groupToggle.checked = savedState;
+
+  // Apply grouping on page load if enabled
+  if (savedState) {
+    applySetGrouping();
+  }
+
+  // Listen for toggle changes
+  groupToggle.addEventListener('change', function() {
+    // Save state to localStorage
+    localStorage.setItem('groupIdenticalSets', this.checked);
+
+    if (this.checked) {
+      applySetGrouping();
+    } else {
+      removeSetGrouping();
+    }
+  });
+}
+
+function applySetGrouping() {
+  const grid = document.getElementById('grid');
+  if (!grid) return;
+
+  const setCards = Array.from(grid.children);
+  const groupedSets = {};
+
+  // Group sets by rebrickable_set_id
+  setCards.forEach(cardCol => {
+    const setCard = cardCol.querySelector('.card[data-set-id]');
+    if (!setCard) return;
+
+    const setId = setCard.getAttribute('data-set-id');
+    const rebrickableId = setCard.getAttribute('data-rebrickable-id');
+
+    if (!rebrickableId) return;
+
+    if (!groupedSets[rebrickableId]) {
+      groupedSets[rebrickableId] = [];
+    }
+
+    groupedSets[rebrickableId].push({
+      cardCol: cardCol,
+      setId: setId,
+      rebrickableId: rebrickableId
+    });
+  });
+
+  // Process each group
+  Object.keys(groupedSets).forEach(rebrickableId => {
+    const group = groupedSets[rebrickableId];
+
+    if (group.length > 1) {
+      createGroupedSetDisplay(group);
+    }
+  });
+}
+
+function createGroupedSetDisplay(setGroup) {
+  const firstSet = setGroup[0];
+  const firstCard = firstSet.cardCol.querySelector('.card');
+
+  if (!firstCard) return;
+
+  // Calculate aggregate stats
+  let totalMissing = 0;
+  let totalDamaged = 0;
+  let allSetIds = [];
+
+  setGroup.forEach(set => {
+    const card = set.cardCol.querySelector('.card');
+
+    // Get missing and damaged counts from existing data attributes
+    const missingCount = parseInt(card.getAttribute('data-missing') || '0');
+    const damagedCount = parseInt(card.getAttribute('data-damaged') || '0');
+
+    totalMissing += missingCount;
+    totalDamaged += damagedCount;
+    allSetIds.push(set.setId);
+  });
+
+  // Create grouped card container
+  const groupContainer = document.createElement('div');
+  groupContainer.className = firstSet.cardCol.className + ' set-group-container';
+  groupContainer.innerHTML = `
+    <div class="card set-group-card">
+      <div class="card-header d-flex justify-content-between align-items-center">
+        <div class="d-flex align-items-center">
+          <button class="btn btn-sm btn-outline-primary me-2 group-toggle-btn"
+                  type="button" data-bs-toggle="collapse"
+                  data-bs-target="#group-${setGroup[0].rebrickableId}"
+                  aria-expanded="false">
+            <i class="ri-arrow-right-line"></i>
+          </button>
+          <span class="fw-bold">${firstCard.querySelector('.card-title')?.textContent || 'Set'}</span>
+          <span class="badge bg-secondary ms-2">${setGroup.length} sets</span>
+        </div>
+        <div class="d-flex gap-1">
+          ${totalMissing > 0 ? `<span class="badge bg-warning text-dark">${totalMissing} missing</span>` : ''}
+          ${totalDamaged > 0 ? `<span class="badge bg-danger">${totalDamaged} damaged</span>` : ''}
+        </div>
+      </div>
+      <div class="collapse" id="group-${setGroup[0].rebrickableId}">
+        <div class="card-body">
+          <div class="row set-group-items"></div>
+        </div>
+      </div>
+    </div>
+  `;
+
+  // Add individual set cards to the group
+  const groupItems = groupContainer.querySelector('.set-group-items');
+  setGroup.forEach(set => {
+    const itemContainer = document.createElement('div');
+    itemContainer.className = 'col-12 mb-2';
+
+    // Clone the original card but make it smaller
+    const clonedCard = set.cardCol.querySelector('.card').cloneNode(true);
+    clonedCard.classList.add('set-group-item');
+
+    itemContainer.appendChild(clonedCard);
+    groupItems.appendChild(itemContainer);
+
+    // Hide the original card
+    set.cardCol.style.display = 'none';
+    set.cardCol.classList.add('grouped-set-hidden');
+  });
+
+  // Insert the grouped container before the first hidden set
+  firstSet.cardCol.parentNode.insertBefore(groupContainer, firstSet.cardCol);
+
+  // Add event listener to toggle arrow icon
+  const toggleBtn = groupContainer.querySelector('.group-toggle-btn');
+  const collapseElement = groupContainer.querySelector('.collapse');
+
+  collapseElement.addEventListener('shown.bs.collapse', () => {
+    toggleBtn.querySelector('i').className = 'ri-arrow-down-line';
+  });
+
+  collapseElement.addEventListener('hidden.bs.collapse', () => {
+    toggleBtn.querySelector('i').className = 'ri-arrow-right-line';
+  });
+}
+
+function removeSetGrouping() {
+  // Show all hidden sets
+  const hiddenSets = document.querySelectorAll('.grouped-set-hidden');
+  hiddenSets.forEach(setCol => {
+    setCol.style.display = '';
+    setCol.classList.remove('grouped-set-hidden');
+  });
+
+  // Remove all group containers
+  const groupContainers = document.querySelectorAll('.set-group-container');
+  groupContainers.forEach(container => {
+    container.remove();
+  });
+}

static/scripts/statistics.js

@@ -0,0 +1,153 @@
+/**
+ * Statistics page chart functionality
+ */
+
+document.addEventListener('DOMContentLoaded', function() {
+    // Check if charts are enabled and chart data exists
+    if (typeof window.chartData === 'undefined') {
+        return;
+    }
+
+    // Debug: Log chart data to console
+    console.log('Chart Data:', window.chartData);
+
+    // Common chart configuration
+    const commonConfig = {
+        type: 'line',
+        options: {
+            responsive: true,
+            maintainAspectRatio: false,
+            interaction: {
+                intersect: false,
+                mode: 'index'
+            },
+            scales: {
+                x: {
+                    title: {
+                        display: true,
+                        text: 'Release Year'
+                    },
+                    grid: {
+                        display: false
+                    }
+                },
+                y: {
+                    beginAtZero: true,
+                    title: {
+                        display: true,
+                        text: 'Count'
+                    },
+                    ticks: {
+                        precision: 0
+                    }
+                }
+            },
+            plugins: {
+                legend: {
+                    display: false
+                },
+                tooltip: {
+                    backgroundColor: 'rgba(0, 0, 0, 0.8)',
+                    titleColor: 'white',
+                    bodyColor: 'white',
+                    cornerRadius: 4
+                }
+            },
+            elements: {
+                point: {
+                    radius: 3,
+                    hoverRadius: 5
+                },
+                line: {
+                    borderWidth: 2
+                }
+            }
+        }
+    };
+
+    // Sets Chart
+    const setsCanvas = document.getElementById('setsChart');
+    if (setsCanvas) {
+        const setsCtx = setsCanvas.getContext('2d');
+        new Chart(setsCtx, {
+            ...commonConfig,
+            data: {
+                labels: window.chartData.years,
+                datasets: [{
+                    label: 'Sets',
+                    data: window.chartData.sets,
+                    borderColor: '#0d6efd',
+                    backgroundColor: 'rgba(13, 110, 253, 0.1)',
+                    fill: true,
+                    tension: 0.3
+                }]
+            }
+        });
+    }
+
+    // Parts Chart
+    const partsCanvas = document.getElementById('partsChart');
+    if (partsCanvas) {
+        const partsCtx = partsCanvas.getContext('2d');
+        new Chart(partsCtx, {
+            ...commonConfig,
+            data: {
+                labels: window.chartData.years,
+                datasets: [{
+                    label: 'Parts',
+                    data: window.chartData.parts,
+                    borderColor: '#198754',
+                    backgroundColor: 'rgba(25, 135, 84, 0.1)',
+                    fill: true,
+                    tension: 0.3
+                }]
+            },
+            options: {
+                ...commonConfig.options,
+                scales: {
+                    ...commonConfig.options.scales,
+                    y: {
+                        ...commonConfig.options.scales.y,
+                        title: {
+                            display: true,
+                            text: 'Parts Count'
+                        }
+                    }
+                }
+            }
+        });
+    }
+
+    // Minifigures Chart
+    const minifigsCanvas = document.getElementById('minifigsChart');
+    if (minifigsCanvas) {
+        const minifigsCtx = minifigsCanvas.getContext('2d');
+        new Chart(minifigsCtx, {
+            ...commonConfig,
+            data: {
+                labels: window.chartData.years,
+                datasets: [{
+                    label: 'Minifigures',
+                    data: window.chartData.minifigs,
+                    borderColor: '#fd7e14',
+                    backgroundColor: 'rgba(253, 126, 20, 0.1)',
+                    fill: true,
+                    tension: 0.3
+                }]
+            },
+            options: {
+                ...commonConfig.options,
+                scales: {
+                    ...commonConfig.options.scales,
+                    y: {
+                        ...commonConfig.options.scales.y,
+                        title: {
+                            display: true,
+                            text: 'Minifigures Count'
+                        }
+                    }
+                }
+            }
+        });
+    }
+});

static/styles.css

@@ -50,6 +50,67 @@
     max-width: 150px;
 }
 
+/* Checkbox column width constraint */
+.table-td-input:has(.form-check-input[type="checkbox"]) {
+    width: 120px;
+    max-width: 120px;
+    min-width: 120px;
+}
+
+/* Reserve space for status icon to prevent layout shift */
+.form-check-label i[id^="status-"] {
+    display: inline-block;
+    width: 1.2em;
+    text-align: center;
+    margin-left: 0.25rem;
+}
+
+/* Hamburger menu styling */
+.table th .dropdown {
+    position: relative;
+}
+
+.table th .dropdown-toggle {
+    border-radius: 0.375rem;
+    padding: 0.25rem 0.5rem;
+    font-size: 0.875rem;
+    line-height: 1.25rem;
+    border-color: #6c757d;
+}
+
+.table th .dropdown-toggle:focus {
+    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
+}
+
+.table th .dropdown-toggle:hover {
+    background-color: #f8f9fa;
+    border-color: #6c757d;
+}
+
+/* Style dropdown items */
+.dropdown-menu .dropdown-header {
+    font-size: 0.75rem;
+    font-weight: 600;
+    text-transform: uppercase;
+    color: #6c757d;
+    padding: 0.25rem 1rem;
+}
+
+.dropdown-menu .dropdown-item {
+    font-size: 0.875rem;
+    padding: 0.5rem 1rem;
+}
+
+.dropdown-menu .dropdown-item:hover {
+    background-color: #f8f9fa;
+    color: #212529;
+}
+
+.dropdown-menu .dropdown-item i {
+    width: 1.25rem;
+    text-align: center;
+}
+
 /* Fixes for sortable.js */
 .sortable {
     --th-color: #000 !important;
@@ -100,3 +161,21 @@
     text-overflow: ellipsis;
     min-width: 0;
 }
+
+/* Partial Status Checkbox Styling */
+.partial-status {
+    position: relative;
+}
+
+.partial-status::after {
+    content: '';
+    position: absolute;
+    top: 2px;
+    left: 2px;
+    right: 2px;
+    bottom: 2px;
+    background: #6f42c1;
+    border-radius: 2px;
+    opacity: 0.8;
+    pointer-events: none;
+}

templates/base.html

@@ -12,6 +12,7 @@
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/vanillajs-datepicker@1.3.4/dist/css/datepicker-bs5.min.css">
     <link href="{{ url_for('static', filename='styles.css') }}" rel="stylesheet">
     <link rel="icon" type="image/png" sizes="48x48" href="{{ url_for('static', filename='brick.png') }}">
+    <script src="https://cdn.jsdelivr.net/npm/chart.js@4.5.0/dist/chart.umd.js"></script>
   </head>
   <body>
     <nav class="navbar navbar-expand-lg navbar-dark bg-dark sticky-top">
@@ -105,6 +106,13 @@
     {% if request.endpoint == 'set.list' %}
     <script src="{{ url_for('static', filename='scripts/sets.js') }}"></script>
     {% endif %}
+    {% if request.endpoint == 'set.details' %}
+    <script src="{{ url_for('static', filename='scripts/parts-bulk-operations.js') }}"></script>
+    <script src="{{ url_for('static', filename='scripts/set-details.js') }}"></script>
+    {% endif %}
+    {% if request.endpoint == 'statistics.overview' %}
+    <script src="{{ url_for('static', filename='scripts/statistics.js') }}"></script>
+    {% endif %}
     {% if request.endpoint == 'instructions.download' or request.endpoint == 'instructions.do_download' %}
     <script src="{{ url_for('static', filename='scripts/socket/peeron.js') }}"></script>
     {% endif %}

templates/macro/accordion.html

@@ -1,4 +1,4 @@
-{% macro header(title, id, parent, quantity=none, expanded=false, icon=none, class=none, danger=none, image=none, alt=none) %}
+{% macro header(title, id, parent, quantity=none, expanded=false, icon=none, class=none, danger=none, image=none, alt=none, hamburger_menu=none) %}
   {% if danger %}
     {% set icon='alert-fill' %}
   {% endif %}
@@ -43,10 +43,10 @@
   {% endif %}
 {% endmacro %}
 
-{% macro table(table_collection, title, id, parent, target, quantity=none, icon=none, image=none, alt=none, details=none, read_only=none) %}
+{% macro table(table_collection, title, id, parent, target, quantity=none, icon=none, image=none, alt=none, details=none, read_only=none, hamburger_menu=none) %}
   {% set size=table_collection | length %}
   {% if size %}
-    {{ header(title, id, parent, quantity=quantity, icon=icon, class='p-0', image=image, alt=alt) }}
+    {{ header(title, id, parent, quantity=quantity, icon=icon, class='p-0', image=image, alt=alt, hamburger_menu=hamburger_menu) }}
       {% if details %}
         <p class="border-top border-bottom p-2 text-center">
           {% if image %}
@@ -57,7 +57,7 @@
           <a class="btn border bg-secondary-text" href="{{ details }}">{% if icon %}<i class="ri-{{ icon }}"></i>{% endif %} Details</a>
         </p>
       {% endif %}
-      {% with solo=true, all=false %}
+      {% with solo=true, all=false, accordion_id=id %}
         {% include target %}
       {% endwith %}
     {{ footer() }}

templates/macro/badge.html

@@ -65,18 +65,35 @@
   {% endif %}
 {% endmacro %}
 
-{% macro purchase_date(date, solo=false, last=false) %}
+{% macro purchase_date(date, solo=false, last=false, date_max_formatted=none) %}
+  {% if date_max_formatted and date_max_formatted != date %}
+    {# Date range for consolidated sets #}
+    {% set date_range = date ~ ' - ' ~ date_max_formatted %}
+    {% if last %}
+      {% set tooltip=date_range %}
+    {% else %}
+      {% set text=date_range %}
+    {% endif %}
+  {% else %}
+    {# Single date #}
     {% if last %}
       {% set tooltip=date %}
     {% else %}
       {% set text=date %}
     {% endif %}
+  {% endif %}
   {{ badge(check=date, solo=solo, last=last, color='light border', icon='calendar-line', text=text, tooltip=tooltip, collapsible='Date:') }}
 {% endmacro %}
 
 {% macro purchase_location(item, purchase_locations, solo=false, last=false) %}
-  {% if purchase_locations and item.fields.purchase_location in purchase_locations.mapping %}
+  {% if purchase_locations and item.fields.purchase_location %}
-    {% set purchase_location = purchase_locations.mapping[item.fields.purchase_location] %}
+    {% if '|' in item.fields.purchase_location or ',' in item.fields.purchase_location %}
+      {# Consolidated mode - multiple purchase locations #}
+      {% set separator = '|' if '|' in item.fields.purchase_location else ',' %}
+      {% set location_list = item.fields.purchase_location.split(separator) %}
+      {% for location_id in location_list %}
+        {% if location_id and location_id.strip() and location_id.strip() in purchase_locations.mapping %}
+          {% set purchase_location = purchase_locations.mapping[location_id.strip()] %}
           {% if last %}
             {% set tooltip=purchase_location.fields.name %}
           {% else %}
@@ -84,6 +101,20 @@
           {% endif %}
           {{ badge(check=purchase_location, solo=solo, last=last, color='light border', icon='building-line', text=text, tooltip=tooltip, collapsible='Location:') }}
         {% endif %}
+      {% endfor %}
+    {% else %}
+      {# Single purchase location #}
+      {% if item.fields.purchase_location.strip() and item.fields.purchase_location.strip() in purchase_locations.mapping %}
+        {% set purchase_location = purchase_locations.mapping[item.fields.purchase_location.strip()] %}
+        {% if last %}
+          {% set tooltip=purchase_location.fields.name %}
+        {% else %}
+          {% set text=purchase_location.fields.name %}
+        {% endif %}
+        {{ badge(check=purchase_location, solo=solo, last=last, color='light border', icon='building-line', text=text, tooltip=tooltip, collapsible='Location:') }}
+      {% endif %}
+    {% endif %}
+  {% endif %}
 {% endmacro %}
 
 {% macro purchase_price(price, solo=false, last=false) %}
@@ -103,14 +134,34 @@
 {% endmacro %}
 
 {% macro storage(item, storages, solo=false, last=false) %}
-  {% if storages and item.fields.storage in storages.mapping %}
+  {% if storages and item.fields.storage %}
-    {% set storage = storages.mapping[item.fields.storage] %}
+    {% if '|' in item.fields.storage or ',' in item.fields.storage %}
+      {# Consolidated mode - multiple storage locations #}
+      {% set separator = '|' if '|' in item.fields.storage else ',' %}
+      {% set storage_list = item.fields.storage.split(separator) %}
+      {% for storage_id in storage_list %}
+        {% if storage_id and storage_id.strip() and storage_id.strip() in storages.mapping %}
+          {% set storage = storages.mapping[storage_id.strip()] %}
           {% if last %}
             {% set tooltip=storage.fields.name %}
           {% else %}
             {% set text=storage.fields.name %}
           {% endif %}
-    {{ badge(url=item.url_for_storage(), solo=solo, last=last, color='light text-warning-emphasis bg-warning-subtle border border-warning-subtle', icon='archive-2-line', text=text, alt='Storage', tooltip=tooltip) }}
+          {{ badge(url=storage.url(), solo=solo, last=last, color='light text-warning-emphasis bg-warning-subtle border border-warning-subtle', icon='archive-2-line', text=text, alt='Storage', tooltip=tooltip) }}
+        {% endif %}
+      {% endfor %}
+    {% else %}
+      {# Single storage location #}
+      {% if item.fields.storage.strip() and item.fields.storage.strip() in storages.mapping %}
+        {% set storage = storages.mapping[item.fields.storage.strip()] %}
+        {% if last %}
+          {% set tooltip=storage.fields.name %}
+        {% else %}
+          {% set text=storage.fields.name %}
+        {% endif %}
+        {{ badge(url=storage.url(), solo=solo, last=last, color='light text-warning-emphasis bg-warning-subtle border border-warning-subtle', icon='archive-2-line', text=text, alt='Storage', tooltip=tooltip) }}
+      {% endif %}
+    {% endif %}
   {% endif %}
 {% endmacro %}
 

templates/macro/table.html

@@ -1,4 +1,4 @@
-{% macro header(image=true, color=false, parts=false, quantity=false, missing=true, missing_parts=false, damaged=true, damaged_parts=false, sets=false, minifigures=false) %}
+{% macro header(image=true, color=false, parts=false, quantity=false, missing=true, missing_parts=false, damaged=true, damaged_parts=false, sets=false, minifigures=false, checked=false, hamburger_menu=false, accordion_id='') %}
   <thead>
     <tr>
       {% if image %}
@@ -26,6 +26,37 @@
       {% if minifigures %}
         <th data-table-number="true" scope="col"><i class="ri-group-line fw-normal"></i> Minifigures</th>
       {% endif %}
+      {% if checked and not config['HIDE_TABLE_CHECKED_PARTS'] %}
+        <th data-table-no-sort-and-search="true" class="no-sort" scope="col"><i class="ri-checkbox-line fw-normal"></i> Checked</th>
+      {% endif %}
+      {% if hamburger_menu and g.login.is_authenticated() %}
+        {% set show_missing_menu = not config['HIDE_TABLE_MISSING_PARTS'] %}
+        {% set show_checked_menu = not config['HIDE_TABLE_CHECKED_PARTS'] %}
+        {% if show_missing_menu or show_checked_menu %}
+          <th data-table-no-sort-and-search="true" class="no-sort text-end" scope="col">
+            <div class="dropdown">
+              <button class="btn btn-sm btn-outline-secondary dropdown-toggle" type="button" id="hamburger-{{ accordion_id }}" data-bs-toggle="dropdown" aria-expanded="false">
+                <i class="ri-menu-line"></i>
+              </button>
+              <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="hamburger-{{ accordion_id }}">
+                {% if show_missing_menu %}
+                  <li><h6 class="dropdown-header">Missing Parts</h6></li>
+                  <li><a class="dropdown-item" href="#" id="mark-all-missing-{{ accordion_id }}"><i class="ri-question-line me-2"></i>Mark all as missing</a></li>
+                  <li><a class="dropdown-item" href="#" id="clear-all-missing-{{ accordion_id }}"><i class="ri-close-circle-line me-2"></i>Clear all missing</a></li>
+                {% endif %}
+                {% if show_missing_menu and show_checked_menu %}
+                  <li><hr class="dropdown-divider"></li>
+                {% endif %}
+                {% if show_checked_menu %}
+                  <li><h6 class="dropdown-header">Checked Status</h6></li>
+                  <li><a class="dropdown-item" href="#" id="check-all-{{ accordion_id }}"><i class="ri-checkbox-line me-2"></i>Check all</a></li>
+                  <li><a class="dropdown-item" href="#" id="uncheck-all-{{ accordion_id }}"><i class="ri-checkbox-blank-line me-2"></i>Uncheck all</a></li>
+                {% endif %}
+              </ul>
+            </div>
+          </th>
+        {% endif %}
+      {% endif %}
     </tr>
   </thead>
 {% endmacro %}

templates/part/table.html

@@ -3,7 +3,7 @@
 
 <div class="table-responsive-sm">
   <table data-table="{% if all %}true{% endif %}" class="table table-striped align-middle {% if not all %}sortable mb-0{% endif %}" {% if all %}id="parts"{% endif %}>
-    {{ table.header(color=true, quantity=not no_quantity, sets=all, minifigures=all) }}
+    {{ table.header(color=true, quantity=not no_quantity, sets=all, minifigures=all, checked=not all and not read_only, hamburger_menu=not all and not read_only, accordion_id=accordion_id|default('')) }}
     <tbody>
       {% for item in table_collection %}
       <tr>
@@ -40,6 +40,19 @@
         {% if all %}
           <td>{{ item.fields.total_sets }}</td>
           <td>{{ item.fields.total_minifigures }}</td>
+        {% else %}
+          {% if not config['HIDE_TABLE_CHECKED_PARTS'] and not read_only %}
+            <td class="table-td-input">
+              <center>{{ form.checkbox('', item.fields.id, item.html_id('checked'), item.url_for_checked(), item.fields.checked | default(false), parent='part', delete=read_only) }}</center>
+            </td>
+          {% endif %}
+          {% if g.login.is_authenticated() and not read_only %}
+            {% set show_missing_menu = not config['HIDE_TABLE_MISSING_PARTS'] %}
+            {% set show_checked_menu = not config['HIDE_TABLE_CHECKED_PARTS'] %}
+            {% if show_missing_menu or show_checked_menu %}
+              <td></td>
+            {% endif %}
+          {% endif %}
         {% endif %}
       </tr>
       {% endfor %}

templates/set.html

@@ -6,9 +6,51 @@
 <div class="container">
   <div class="row">
     <div class="col-12">
+      {% if all_instances and all_instances | length > 1 %}
+        <!-- Multiple instances view with drawer-style header -->
+        <div class="alert alert-info mb-3">
+          <!-- Clickable drawer header -->
+          <div class="d-flex justify-content-between align-items-center" style="cursor: pointer;" data-bs-toggle="collapse"
+               data-bs-target="#all-instances" aria-expanded="false" aria-controls="all-instances">
+            <div>
+              <h4 class="mb-1">
+                <i class="ri-stack-line me-2"></i>Multiple Copies Available
+                <span class="badge bg-primary ms-2">{{ all_instances | length }}</span>
+              </h4>
+              <p class="mb-0">This set has {{ all_instances | length }} copies in your collection. Click to view all copies individually.</p>
+            </div>
+            <i class="ri-arrow-down-s-line fs-4" id="copies-toggle-icon"></i>
+          </div>
+
+          <!-- Collapsible instances section -->
+          <div class="collapse mt-3" id="all-instances">
+            <div class="border-top pt-3">
+              <div class="row">
+                {% set current_item_id = item.fields.id %}
+                {% for instance in all_instances %}
+                <div class="col-md-6 col-xl-4 d-flex align-items-stretch mb-3">
+                  {% with item=instance, index=loop.index0, tiny=false, current_viewing=(instance.fields.id == current_item_id) %}
+                    <div class="position-relative w-100">
+                      {% include 'set/card.html' %}
+                    </div>
+                  {% endwith %}
+                </div>
+                {% endfor %}
+              </div>
+            </div>
+          </div>
+        </div>
+
+
         {% with solo=true, delete=delete %}
           {% include 'set/card.html' %}
         {% endwith %}
+      {% else %}
+        <!-- Single instance view -->
+        {% with solo=true, delete=delete %}
+          {% include 'set/card.html' %}
+        {% endwith %}
+      {% endif %}
     </div>
   </div>
 </div>

templates/set/card.html

@@ -3,10 +3,12 @@
 {% import 'macro/card.html' as card %}
 {% import 'macro/form.html' as form %}
 
-<div {% if not solo %}id="set-{{ item.fields.id }}"{% endif %} class="card mb-3 flex-fill {% if solo %}card-solo{% endif %}"
+<div {% if not solo %}id="set-{{ item.fields.consolidated_id or item.fields.id }}"{% endif %} class="card mb-3 flex-fill {% if solo %}card-solo{% endif %}{% if current_viewing %} border-secondary{% endif %}"{% if current_viewing %} style="border-width: 3px !important;"{% endif %}
+  data-set-id="{{ item.fields.consolidated_id or item.fields.id }}" data-rebrickable-id="{{ item.fields.set }}"
+  {% if item.fields.instance_count is defined %}data-instance-count="{{ item.fields.instance_count }}" data-instance-ids="{{ item.fields.instance_ids }}"{% endif %}
   {% if not solo and not tiny %}
-    data-index="{{ index }}" data-number="{{ item.fields.set }}" data-name="{{ item.fields.name | lower }}" data-parts="{{ item.fields.number_of_parts }}"
+    data-index="{{ index }}" data-number="{{ item.fields.set }}" data-set="{{ item.fields.set.split('-')[0] | int }}{{ '%05d' | format(item.fields.set.split('-')[1] | int) }}" data-name="{{ item.fields.name | lower }}" data-parts="{{ item.fields.number_of_parts }}"
-    data-year="{{ item.fields.year }}" data-theme="{{ item.theme.name | lower }}"
+    data-year="{{ item.fields.year }}" data-theme="{{ item.theme.name | lower }}" data-theme-id="{{ item.theme.id }}"
     {% if not config['HIDE_SET_INSTRUCTIONS'] %}
       data-has-missing-instructions="{{ (item.instructions | length == 0) | int }}"
     {% endif %}
@@ -54,7 +56,7 @@
 >
   {{ card.header(item, item.fields.name, solo=solo, identifier=item.fields.set) }}
   {{ card.image(item, solo=solo, last=last, caption=item.fields.name, alt=item.fields.set) }}
-  <div class="card-body border-bottom-0 {% if not solo %}p-1{% endif %}">
+  <div class="card-body border-bottom-0 {% if not solo %}p-1{% endif %}"{% if current_viewing %} style="border-color: var(--bs-border-color) !important; border-width: 1px !important;"{% endif %}>
     {{ badge.theme(item.theme.name, solo=solo, last=last) }}
     {% for tag in brickset_tags %}
       {{ badge.tag(item, tag, solo=solo, last=last) }}
@@ -63,6 +65,9 @@
       {{ badge.year(item.fields.year, solo=solo, last=last) }}
     {% endif %}
     {{ badge.parts(item.fields.number_of_parts, solo=solo, last=last) }}
+    {% if item.fields.instance_count is defined and item.fields.instance_count > 1 %}
+      <span class="badge bg-primary"><i class="ri-stack-line"></i> {{ item.fields.instance_count }} copies</span>
+    {% endif %}
     {{ badge.total_minifigures(item.fields.total_minifigures, solo=solo, last=last) }}
     {{ badge.total_missing(item.fields.total_missing, solo=solo, last=last) }}
     {{ badge.total_damaged(item.fields.total_damaged, solo=solo, last=last) }}
@@ -71,7 +76,7 @@
     {% endfor %}
     {{ badge.storage(item, brickset_storages, solo=solo, last=last) }}
     {% if not last %}
-      {{ badge.purchase_date(item.purchase_date(), solo=solo, last=last) }}
+      {{ badge.purchase_date(item.purchase_date(), solo=solo, last=last, date_max_formatted=item.purchase_date_max_formatted()) }}
       {{ badge.purchase_location(item, brickset_purchase_locations, solo=solo, last=last) }}
       {{ badge.purchase_price(item.purchase_price(), solo=solo, last=last) }}
       {% if not solo %}
@@ -81,14 +86,45 @@
     {% endif %}
   </div>
   {% if not tiny and brickset_statuses | length %}
-    <ul class="list-group list-group-flush card-check border-bottom-0">
+    <ul class="list-group list-group-flush card-check border-bottom-0"{% if current_viewing %} style="border-color: var(--bs-border-color) !important; border-width: 1px !important;"{% endif %}>
       {% for status in brickset_statuses %}
-        <li class="d-flex list-group-item {% if not solo %}p-1{% endif %} text-nowrap">{{ form.checkbox(status.fields.name, item.fields.id, status.as_dataset(), status.url_for_set_state(item.fields.id), item.fields[status.as_column()], parent='set', delete=delete) }}</li>
+        <li class="d-flex list-group-item {% if not solo %}p-1{% endif %} text-nowrap">
+          {% if item.fields.instance_count is defined and item.fields.instance_count > 1 %}
+            {# Consolidated set - show mixed status indicator #}
+            {% set status_count = item.fields[status.as_column() + '_count'] %}
+            {% set total_count = item.fields.instance_count %}
+            {% if status_count == 0 %}
+              {# None checked #}
+              <input class="form-check-input px-1" type="checkbox" disabled>
+              <label class="form-check-label">
+                {{ status.fields.name }}
+                <small class="text-muted ms-1">(0/{{ total_count }})</small>
+              </label>
+            {% elif status_count == total_count %}
+              {# All checked #}
+              <input class="form-check-input px-1" type="checkbox" checked disabled>
+              <label class="form-check-label">
+                {{ status.fields.name }}
+                <small class="text-muted ms-1">({{ total_count }}/{{ total_count }})</small>
+              </label>
+            {% else %}
+              {# Partial - some checked #}
+              <input class="form-check-input px-1 partial-status" type="checkbox" disabled>
+              <label class="form-check-label">
+                {{ status.fields.name }}
+                <small class="text-muted ms-1">({{ status_count }}/{{ total_count }})</small>
+              </label>
+            {% endif %}
+          {% else %}
+            {# Individual set - use normal checkbox #}
+            {{ form.checkbox(status.fields.name, item.fields.id, status.as_dataset(), status.url_for_set_state(item.fields.id), item.fields[status.as_column()], parent='set', delete=delete) }}
+          {% endif %}
+        </li>
       {% endfor %}
     </ul>
   {% endif %}
   {% if solo %}
-    <div class="accordion accordion-flush border-top" id="set-details">
+    <div class="accordion accordion-flush border-top" id="set-details"{% if current_viewing %} style="border-color: var(--bs-border-color) !important; border-width: 1px !important;"{% endif %}>
       {% if not delete %}
         {% if not config['HIDE_SET_INSTRUCTIONS'] %}
           {{ accordion.header('Instructions', 'instructions', 'set-details', expanded=open_instructions, quantity=item.instructions | length, icon='file-line', class='p-0') }}
@@ -104,14 +140,14 @@
               {% endif %}
             {% endif %}
             {% if g.login.is_authenticated() %}
-              <a class="list-group-item list-group-item-action" href="{{ url_for('instructions.download', set=item.fields.set) }}"><i class="ri-download-line"></i> Download instructions from Rebrickable</a>
+              <a class="list-group-item list-group-item-action" href="{{ url_for('instructions.download', set=item.fields.set) }}"><i class="ri-download-line"></i> Download instructions</a>
             {% endif %}
           </div>
           {{ accordion.footer() }}
         {% endif %}
-        {{ accordion.table(item.parts(), 'Parts', 'parts-inventory', 'set-details', 'part/table.html', icon='shapes-line')}}
+        {{ accordion.table(item.parts(), 'Parts', 'parts-inventory', 'set-details', 'part/table.html', icon='shapes-line', hamburger_menu=g.login.is_authenticated())}}
         {% for minifigure in item.minifigures() %}
-          {{ accordion.table(minifigure.parts(), minifigure.fields.name, minifigure.fields.figure, 'set-details', 'part/table.html', quantity=minifigure.fields.quantity, icon='group-line', image=minifigure.url_for_image(), alt=minifigure.fields.figure, details=minifigure.url())}}
+          {{ accordion.table(minifigure.parts(), minifigure.fields.name, minifigure.fields.figure, 'set-details', 'part/table.html', quantity=minifigure.fields.quantity, icon='group-line', image=minifigure.url_for_image(), alt=minifigure.fields.figure, details=minifigure.url(), hamburger_menu=g.login.is_authenticated())}}
         {% endfor %}
         {% include 'set/management.html' %}
       {% endif %}

templates/set/filter.html

@@ -108,4 +108,18 @@
       </div>
     </div>
   {% endif %}
+  <div class="col-12 flex-grow-1">
+    <label class="visually-hidden" for="grid-year">Year</label>
+    <div class="input-group">
+      <span class="input-group-text"><i class="ri-calendar-line"></i><span class="ms-1 d-none d-md-inline"> Year</span></span>
+      <select id="grid-year" class="form-select"
+        data-filter="value" data-filter-attribute="year"
+        autocomplete="off">
+        <option value="" {% if not current_year_filter %}selected{% endif %}>All</option>
+        {% for year in collection.years %}
+        <option value="{{ year }}" {% if current_year_filter == year %}selected{% endif %}>{{ year }}</option>
+        {% endfor %}
+      </select>
+    </div>
+  </div>
 </div>

templates/statistics.html

@@ -0,0 +1,633 @@
+{% extends 'base.html' %}
+
+{% block title %} - Statistics{% endblock %}
+
+{% block main %}
+<div class="container-fluid">
+
+  <!-- Overview Cards Row -->
+  <div class="row g-3 mb-4">
+    <!-- Collection Summary -->
+    <div class="col-lg-4 col-md-6">
+      <div class="card h-100">
+        <div class="card-header bg-primary text-white">
+          <h5 class="card-title mb-0">
+            <i class="ri-grid-line"></i> Collection Overview
+          </h5>
+        </div>
+        <div class="card-body">
+          <div class="row g-2">
+            <div class="col-6">
+              <div class="text-center">
+                <a href="{{ url_for('set.list') }}" class="text-decoration-none">
+                  <div class="h4 text-primary mb-0">{{ collection_summary.total_sets }}</div>
+                  <small class="text-dark">Total Sets</small>
+                </a>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <div class="h4 text-dark mb-0">{{ collection_summary.unique_sets }}</div>
+                <small class="text-dark">Unique Sets</small>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <a href="{{ url_for('part.list') }}" class="text-decoration-none">
+                  <div class="h4 text-primary mb-0">{{ "{:,}".format(collection_summary.total_parts_count) }}</div>
+                  <small class="text-dark">Total Parts</small>
+                </a>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <div class="h4 text-dark mb-0">{{ collection_summary.unique_parts }}</div>
+                <small class="text-dark">Unique Parts</small>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <a href="{{ url_for('minifigure.list') }}" class="text-decoration-none">
+                  <div class="h4 text-primary mb-0">{{ collection_summary.total_minifigures_count }}</div>
+                  <small class="text-dark">Minifigures</small>
+                </a>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <div class="h4 text-dark mb-0">{{ collection_summary.unique_minifigures }}</div>
+                <small class="text-dark">Unique Figs</small>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <!-- Financial Summary -->
+    <div class="col-lg-4 col-md-6">
+      <div class="card h-100">
+        <div class="card-header bg-success text-white">
+          <h5 class="card-title mb-0">
+            <i class="ri-money-dollar-circle-line"></i> Financial Summary
+          </h5>
+        </div>
+        <div class="card-body">
+          <div class="text-center mb-3">
+            <div class="h3 text-success mb-0">{{ config['PURCHASE_CURRENCY'] }}{{ "%.2f"|format(financial_summary.total_cost) }}</div>
+            <small class="text-dark">Total Investment</small>
+          </div>
+          <div class="row g-2">
+            <div class="col-6">
+              <div class="text-center">
+                <div class="h5 text-dark mb-0">{{ financial_summary.sets_with_price }}</div>
+                <small class="text-dark">Sets with Price</small>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <div class="h5 text-dark mb-0">{{ financial_summary.percentage_with_price }}%</div>
+                <small class="text-dark">Price Coverage</small>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <div class="text-dark small">Average</div>
+                <div class="fw-bold">{{ config['PURCHASE_CURRENCY'] }}{{ "%.2f"|format(financial_summary.average_cost) }}</div>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <div class="text-dark small">Range</div>
+                <div class="fw-bold">{{ config['PURCHASE_CURRENCY'] }}{{ "%.2f"|format(financial_summary.minimum_cost) }} - {{ config['PURCHASE_CURRENCY'] }}{{ "%.2f"|format(financial_summary.maximum_cost) }}</div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <!-- Problems & Storage -->
+    <div class="col-lg-4 col-md-12">
+      <div class="card h-100">
+        <div class="card-header bg-warning text-dark">
+          <h5 class="card-title mb-0">
+            <i class="ri-error-warning-line"></i> Issues & Storage
+          </h5>
+        </div>
+        <div class="card-body">
+          <div class="row g-2">
+            <div class="col-6">
+              <div class="text-center">
+                <a href="{{ url_for('part.problem') }}" class="text-decoration-none">
+                  <div class="h4 text-danger mb-0">{{ collection_summary.total_missing_parts }}</div>
+                  <small class="text-dark">Missing Parts</small>
+                </a>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <a href="{{ url_for('part.problem') }}" class="text-decoration-none">
+                  <div class="h4 text-danger mb-0">{{ collection_summary.total_damaged_parts }}</div>
+                  <small class="text-dark">Damaged Parts</small>
+                </a>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                {% if config['HIDE_ALL_STORAGES'] %}
+                  <div class="h4 text-dark mb-0">{{ collection_summary.storage_locations_used }}</div>
+                {% else %}
+                  <a href="{{ url_for('storage.list') }}" class="text-decoration-none">
+                    <div class="h4 text-primary mb-0">{{ collection_summary.storage_locations_used }}</div>
+                  </a>
+                {% endif %}
+                <small class="text-dark">Storage Locations</small>
+              </div>
+            </div>
+            <div class="col-6">
+              <div class="text-center">
+                <div class="h4 text-dark mb-0">{{ collection_summary.purchase_locations_used }}</div>
+                <small class="text-dark">Purchase Locations</small>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+
+  <!-- Collection Growth Charts -->
+  {% if config['STATISTICS_SHOW_CHARTS'] %}
+  <div class="row g-3 mb-4">
+    <div class="col-12">
+      <div class="card">
+        <div class="card-header">
+          <h5 class="card-title mb-0">
+            <a class="text-decoration-none text-dark" data-bs-toggle="collapse" href="#collapseCharts" role="button" aria-expanded="{{ 'true' if config['STATISTICS_DEFAULT_EXPANDED'] else 'false' }}" aria-controls="collapseCharts">
+              <i class="ri-line-chart-line"></i> Collection Growth Over Time
+              <i class="ri-arrow-down-s-line float-end"></i>
+            </a>
+          </h5>
+        </div>
+        <div class="collapse {{ 'show' if config['STATISTICS_DEFAULT_EXPANDED'] else '' }}" id="collapseCharts">
+          <div class="card-body">
+          <div class="row">
+            <div class="col-lg-4 mb-3">
+              <h6 class="text-center text-dark">Sets by Release Year</h6>
+              <div style="position: relative; height: 250px;">
+                <canvas id="setsChart"></canvas>
+              </div>
+            </div>
+            <div class="col-lg-4 mb-3">
+              <h6 class="text-center text-dark">Parts by Release Year</h6>
+              <div style="position: relative; height: 250px;">
+                <canvas id="partsChart"></canvas>
+              </div>
+            </div>
+            <div class="col-lg-4 mb-3">
+              <h6 class="text-center text-dark">Minifigures by Release Year</h6>
+              <div style="position: relative; height: 250px;">
+                <canvas id="minifigsChart"></canvas>
+              </div>
+            </div>
+          </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+  {% endif %}
+
+  <!-- Detailed Statistics Tables -->
+  <div class="row g-3">
+    <!-- Theme Statistics -->
+    {% if theme_statistics %}
+    <div class="col-lg-6">
+      <div class="card">
+        <div class="card-header">
+          <h5 class="card-title mb-0">
+            <a class="text-decoration-none text-dark" data-bs-toggle="collapse" href="#collapseThemes" role="button" aria-expanded="{{ 'true' if config['STATISTICS_DEFAULT_EXPANDED'] else 'false' }}" aria-controls="collapseThemes">
+              <i class="ri-palette-line"></i> Sets by Theme
+              <i class="ri-arrow-down-s-line float-end"></i>
+            </a>
+          </h5>
+        </div>
+        <div class="collapse {{ 'show' if config['STATISTICS_DEFAULT_EXPANDED'] else '' }}" id="collapseThemes">
+          <div class="card-body p-0">
+          <div class="table-responsive">
+            <table class="table table-hover mb-0">
+              <thead class="table-light">
+                <tr>
+                  <th>Theme</th>
+                  <th class="text-center">Sets</th>
+                  <th class="text-center">Parts</th>
+                  <th class="text-center">Minifigures</th>
+                  <th class="text-center">Spent</th>
+                </tr>
+              </thead>
+              <tbody>
+                {% for theme in theme_statistics[:10] %}
+                <tr>
+                  <td>
+                    <a href="{{ url_for('set.list', theme=theme.theme_id) }}" class="text-decoration-none">
+                      {{ theme.theme_name }}
+                    </a>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ theme.set_count }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ "{:,}".format(theme.total_parts) }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ theme.total_minifigures }}</small>
+                  </td>
+                  <td class="text-center">
+                    {% if theme.total_spent %}
+                      <small class="text-dark">{{ config['PURCHASE_CURRENCY'] }}{{ "%.0f"|format(theme.total_spent) }}</small>
+                    {% else %}
+                      <small class="text-dark">-</small>
+                    {% endif %}
+                  </td>
+                </tr>
+                {% endfor %}
+              </tbody>
+            </table>
+          </div>
+          {% if theme_statistics|length > 10 %}
+          <div class="card-footer text-center">
+            <small class="text-dark">Showing top 10 themes</small>
+          </div>
+          {% endif %}
+          </div>
+        </div>
+      </div>
+    </div>
+    {% endif %}
+
+    <!-- Storage Statistics -->
+    {% if storage_statistics %}
+    <div class="col-lg-6">
+      <div class="card">
+        <div class="card-header">
+          <h5 class="card-title mb-0">
+            <a class="text-decoration-none text-dark" data-bs-toggle="collapse" href="#collapseStorage" role="button" aria-expanded="{{ 'true' if config['STATISTICS_DEFAULT_EXPANDED'] else 'false' }}" aria-controls="collapseStorage">
+              <i class="ri-archive-2-line"></i> Sets by Storage
+              <i class="ri-arrow-down-s-line float-end"></i>
+            </a>
+          </h5>
+        </div>
+        <div class="collapse {{ 'show' if config['STATISTICS_DEFAULT_EXPANDED'] else '' }}" id="collapseStorage">
+          <div class="card-body p-0">
+          <div class="table-responsive">
+            <table class="table table-hover mb-0">
+              <thead class="table-light">
+                <tr>
+                  <th>Storage Location</th>
+                  <th class="text-center">Sets</th>
+                  <th class="text-center">Parts</th>
+                  <th class="text-center">Minifigures</th>
+                  <th class="text-center">Value</th>
+                </tr>
+              </thead>
+              <tbody>
+                {% for storage in storage_statistics %}
+                <tr>
+                  <td>
+                    <a href="{{ url_for('set.list', storage=storage.storage_id) }}" class="text-decoration-none">
+                      {{ storage.storage_name or 'Unknown' }}
+                    </a>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ storage.set_count }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ "{:,}".format(storage.total_parts) }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ storage.total_minifigures }}</small>
+                  </td>
+                  <td class="text-center">
+                    {% if storage.total_value %}
+                      <small class="text-dark">{{ config['PURCHASE_CURRENCY'] }}{{ "%.0f"|format(storage.total_value) }}</small>
+                    {% else %}
+                      <small class="text-dark">-</small>
+                    {% endif %}
+                  </td>
+                </tr>
+                {% endfor %}
+              </tbody>
+            </table>
+          </div>
+          </div>
+        </div>
+      </div>
+    </div>
+    {% endif %}
+  </div>
+
+  <!-- Purchase Location Statistics -->
+  {% if purchase_location_statistics %}
+  <div class="row g-3 mt-2">
+    <div class="col-12">
+      <div class="card">
+        <div class="card-header">
+          <h5 class="card-title mb-0">
+            <a class="text-decoration-none text-dark" data-bs-toggle="collapse" href="#collapsePurchase" role="button" aria-expanded="{{ 'true' if config['STATISTICS_DEFAULT_EXPANDED'] else 'false' }}" aria-controls="collapsePurchase">
+              <i class="ri-shopping-cart-line"></i> Sets by Purchase Location
+              <i class="ri-arrow-down-s-line float-end"></i>
+            </a>
+          </h5>
+        </div>
+        <div class="collapse {{ 'show' if config['STATISTICS_DEFAULT_EXPANDED'] else '' }}" id="collapsePurchase">
+          <div class="card-body p-0">
+          <div class="table-responsive">
+            <table class="table table-hover mb-0">
+              <thead class="table-light">
+                <tr>
+                  <th>Purchase Location</th>
+                  <th class="text-center">Sets</th>
+                  <th class="text-center">Parts</th>
+                  <th class="text-center">Minifigures</th>
+                  <th class="text-center">Total Spent</th>
+                  <th class="text-center">Avg. Price</th>
+                  <th class="text-center">Price Range</th>
+                </tr>
+              </thead>
+              <tbody>
+                {% for location in purchase_location_statistics %}
+                <tr>
+                  <td>
+                    <a href="{{ url_for('set.list', purchase_location=location.location_id) }}" class="text-decoration-none">
+                      {{ location.location_name or 'Unknown' }}
+                    </a>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ location.set_count }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ "{:,}".format(location.total_parts) }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ location.total_minifigures }}</small>
+                  </td>
+                  <td class="text-center">
+                    {% if location.total_spent %}
+                      <small class="text-dark">{{ config['PURCHASE_CURRENCY'] }}{{ "%.2f"|format(location.total_spent) }}</small>
+                    {% else %}
+                      <small class="text-dark">-</small>
+                    {% endif %}
+                  </td>
+                  <td class="text-center">
+                    {% if location.avg_price %}
+                      <small class="text-dark">{{ config['PURCHASE_CURRENCY'] }}{{ "%.2f"|format(location.avg_price) }}</small>
+                    {% else %}
+                      <small class="text-dark">-</small>
+                    {% endif %}
+                  </td>
+                  <td class="text-center">
+                    {% if location.min_price and location.max_price %}
+                      <small class="text-dark">{{ config['PURCHASE_CURRENCY'] }}{{ "%.0f"|format(location.min_price) }}-{{ "%.0f"|format(location.max_price) }}</small>
+                    {% else %}
+                      <small class="text-dark">-</small>
+                    {% endif %}
+                  </td>
+                </tr>
+                {% endfor %}
+              </tbody>
+            </table>
+          </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+  {% endif %}
+
+  <!-- Year-based Statistics -->
+  <div class="row g-3 mt-2">
+    <!-- Sets by Year (Release Year) -->
+    {% if sets_by_year_statistics %}
+    <div class="col-lg-6">
+      <div class="card">
+        <div class="card-header">
+          <h5 class="card-title mb-0">
+            <a class="text-decoration-none text-dark" data-bs-toggle="collapse" href="#collapseReleaseYear" role="button" aria-expanded="{{ 'true' if config['STATISTICS_DEFAULT_EXPANDED'] else 'false' }}" aria-controls="collapseReleaseYear">
+              <i class="ri-calendar-line"></i> Sets by Release Year
+              <i class="ri-arrow-down-s-line float-end"></i>
+            </a>
+          </h5>
+          <small class="text-dark">Statistics grouped by when LEGO released the sets</small>
+        </div>
+        <div class="collapse {{ 'show' if config['STATISTICS_DEFAULT_EXPANDED'] else '' }}" id="collapseReleaseYear">
+          <div class="card-body p-0">
+          <div class="table-responsive">
+            <table class="table table-hover mb-0 table-sm">
+              <thead class="table-light">
+                <tr>
+                  <th>Year</th>
+                  <th class="text-center">Unique</th>
+                  <th class="text-center">Total</th>
+                  <th class="text-center">Parts</th>
+                  <th class="text-center">Minifigures</th>
+                  <th class="text-center">Spent</th>
+                  <th class="text-center">Avg/Set</th>
+                </tr>
+              </thead>
+              <tbody>
+                {% for year in sets_by_year_statistics[:15] %}
+                <tr>
+                  <td>
+                    <a href="{{ url_for('set.list', year=year.year) }}" class="year-filter-link text-decoration-none" data-year="{{ year.year }}">
+                      <strong>{{ year.year }}</strong>
+                    </a>
+                    {% if year.unique_themes > 1 %}
+                      <small class="text-dark d-block">{{ year.unique_themes }} themes</small>
+                    {% endif %}
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ year.unique_sets }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ year.total_sets }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ "{:,}".format(year.total_parts) }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ year.total_minifigures }}</small>
+                  </td>
+                  <td class="text-center">
+                    {% if year.total_spent %}
+                      <small class="text-dark">{{ config['PURCHASE_CURRENCY'] }}{{ "%.0f"|format(year.total_spent) }}</small>
+                    {% else %}
+                      <small class="text-dark">-</small>
+                    {% endif %}
+                  </td>
+                  <td class="text-center">
+                    {% if year.avg_price_per_set %}
+                      <small class="text-dark">{{ config['PURCHASE_CURRENCY'] }}{{ "%.0f"|format(year.avg_price_per_set) }}</small>
+                    {% else %}
+                      <small class="text-dark">-</small>
+                    {% endif %}
+                  </td>
+                </tr>
+                {% endfor %}
+              </tbody>
+            </table>
+          </div>
+          {% if sets_by_year_statistics|length > 15 %}
+          <div class="card-footer text-center">
+            <small class="text-dark">Showing last 15 years</small>
+          </div>
+          {% endif %}
+          </div>
+        </div>
+      </div>
+    </div>
+    {% endif %}
+
+    <!-- Purchases by Year -->
+    {% if purchases_by_year_statistics %}
+    <div class="col-lg-6">
+      <div class="card">
+        <div class="card-header">
+          <h5 class="card-title mb-0">
+            <a class="text-decoration-none text-dark" data-bs-toggle="collapse" href="#collapsePurchaseYear" role="button" aria-expanded="{{ 'true' if config['STATISTICS_DEFAULT_EXPANDED'] else 'false' }}" aria-controls="collapsePurchaseYear">
+              <i class="ri-shopping-cart-line"></i> Purchases by Year
+              <i class="ri-arrow-down-s-line float-end"></i>
+            </a>
+          </h5>
+          <small class="text-dark">Statistics grouped by when you purchased the sets</small>
+        </div>
+        <div class="collapse {{ 'show' if config['STATISTICS_DEFAULT_EXPANDED'] else '' }}" id="collapsePurchaseYear">
+          <div class="card-body p-0">
+          <div class="table-responsive">
+            <table class="table table-hover mb-0 table-sm">
+              <thead class="table-light">
+                <tr>
+                  <th>Year</th>
+                  <th class="text-center">Unique</th>
+                  <th class="text-center">Total</th>
+                  <th class="text-center">Parts</th>
+                  <th class="text-center">Minifigures</th>
+                  <th class="text-center">Spent</th>
+                  <th class="text-center">Avg/Set</th>
+                </tr>
+              </thead>
+              <tbody>
+                {% for year in purchases_by_year_statistics %}
+                <tr>
+                  <td>
+                    <strong>{{ year.purchase_year }}</strong>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ year.unique_sets }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ year.total_sets }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ "{:,}".format(year.total_parts) }}</small>
+                  </td>
+                  <td class="text-center">
+                    <small class="text-dark">{{ year.total_minifigures }}</small>
+                  </td>
+                  <td class="text-center">
+                    {% if year.total_spent %}
+                      <small class="text-dark">{{ config['PURCHASE_CURRENCY'] }}{{ "%.2f"|format(year.total_spent) }}</small>
+                    {% else %}
+                      <small class="text-dark">-</small>
+                    {% endif %}
+                  </td>
+                  <td class="text-center">
+                    {% if year.avg_price_per_set %}
+                      <small class="text-dark">{{ config['PURCHASE_CURRENCY'] }}{{ "%.0f"|format(year.avg_price_per_set) }}</small>
+                    {% else %}
+                      <small class="text-dark">-</small>
+                    {% endif %}
+                  </td>
+                </tr>
+                {% endfor %}
+              </tbody>
+            </table>
+          </div>
+          {% if year_summary %}
+          <div class="card-footer">
+            <div class="row text-center">
+              <div class="col-6">
+                <small class="text-dark">Peak Year</small><br>
+                {% if year_summary.peak_spending_year %}
+                  <strong>{{ year_summary.peak_spending_year }}</strong>
+                  <small class="text-success d-block">{{ config['PURCHASE_CURRENCY'] }}{{ "%.0f"|format(year_summary.max_spending) }}</small>
+                {% else %}
+                  <small class="text-dark">N/A</small>
+                {% endif %}
+              </div>
+              <div class="col-6">
+                <small class="text-dark">Active Years</small><br>
+                <strong>{{ year_summary.years_with_purchases }}</strong>
+                <small class="text-dark d-block">years</small>
+              </div>
+            </div>
+          </div>
+          {% endif %}
+          </div>
+        </div>
+      </div>
+    </div>
+    {% endif %}
+  </div>
+
+  <!-- Year Summary Banner -->
+  {% if year_summary and (year_summary.peak_collection_year or year_summary.oldest_set_year) %}
+  <div class="row g-3 mt-2">
+    <div class="col-12">
+      <div class="alert alert-info">
+        <div class="row text-center">
+          {% if year_summary.oldest_set_year and year_summary.newest_set_year %}
+          <div class="col-md-3">
+            <strong>{{ year_summary.oldest_set_year }} - {{ year_summary.newest_set_year }}</strong><br>
+            <small class="text-dark">Set Year Range</small>
+          </div>
+          {% endif %}
+          {% if year_summary.peak_collection_year %}
+          <div class="col-md-3">
+            <strong>{{ year_summary.peak_collection_year }}</strong><br>
+            <small class="text-dark">Most Sets from Year ({{ year_summary.max_sets_in_year }} sets)</small>
+          </div>
+          {% endif %}
+          {% if year_summary.years_represented %}
+          <div class="col-md-3">
+            <strong>{{ year_summary.years_represented }}</strong><br>
+            <small class="text-dark">Years Represented</small>
+          </div>
+          {% endif %}
+          {% if year_summary.years_with_purchases %}
+          <div class="col-md-3">
+            <strong>{{ year_summary.years_with_purchases }}</strong><br>
+            <small class="text-dark">Years with Purchases</small>
+          </div>
+          {% endif %}
+        </div>
+      </div>
+    </div>
+  </div>
+  {% endif %}
+
+
+</div>
+
+{% if config['STATISTICS_SHOW_CHARTS'] %}
+<script type="text/javascript">
+  // Initialize chart data for statistics.js
+  window.chartData = {
+    years: {{ chart_data.years|safe }},
+    sets: {{ chart_data.sets_data|safe }},
+    parts: {{ chart_data.parts_data|safe }},
+    minifigs: {{ chart_data.minifigs_data|safe }}
+  };
+</script>
+{% endif %}
+{% endblock %}