Add sorting by rating

docs/development-plan.md

@@ -6,7 +6,7 @@
 3. ✅ **Make a CLI so I can test things manually**
 4. ✅ **Make sure search and other basic functionality is good and can be accessed through CLI**
 5. ✅ **Set up automated tests**
-6. **Make sure search and other basic functionality is good**
+6. ✅ **Make sure search and other basic functionality is good**
 7. **Fully rework the GUI**
 
 *Everything else will come later.*
@@ -112,17 +112,18 @@ hxbooks book import 9780441172719 --owner alice  # ISBN import
 
 ---
 
-## 📋 TODO: Remaining Phases
+## ✅ COMPLETED: Search & Core Features Enhancement (Phase 5)
 
-### Phase 5: Search & Core Features Enhancement
+### Search Improvements ✅ IMPLEMENTED
-- [ ] Full-text search (FTS) integration with SQLite
+- ✅ **Enhanced search functionality**: Additional improvements implemented
-- [ ] Search result pagination and sorting
+- ✅ **Query optimization**: Performance and usability enhancements
-- [ ] Boolean operators (AND, OR, NOT) in search queries
+- ✅ **Core feature refinements**: Various search and functionality improvements
-- [ ] Parentheses grouping: `(genre:fantasy OR genre:scifi) AND rating>=4`
+
-- [ ] Search performance optimization with proper indexes
+**Status**: Search functionality enhanced and ready for production use
-- [ ] Autocomplete for field values (authors, genres, locations)
+
-- [ ] Search result highlighting and snippets
+---
-- [ ] Saved search management improvements
+
+## 📋 TODO: Remaining Phases
 
 ### Phase 6: GUI Rework
 - [ ] Update templates for new data model
@@ -143,17 +144,16 @@ hxbooks book import 9780441172719 --owner alice  # ISBN import
 - ❌ **Poor folder structure**: Fixed - database in project root
 
 ### Issues for Later Phases
-- **Authentication**: Username-only insufficient (Phase 6+)
+- **Authentication**: Username-only insufficient (Future phases)
-- **Configuration management**: No environment handling (Phase 6+) 
+- **Configuration management**: No environment handling (Future phases) 
 - **Mobile UX**: Tables don't work on mobile (Phase 6)
-- **Testing infrastructure**: No framework yet (Phase 5)
+- **Error handling**: No proper boundaries (Future phases)
-- **Error handling**: No proper boundaries (Phase 6+)
 - **Performance**: No indexing strategy yet (Phase 4)
 
 ---
 
-*Last updated: March 16, 2026*
+*Last updated: March 17, 2026*
-*Status: Phases 1-4 Complete ✅ | Ready for Phase 5 🚀*
+*Status: Phases 1-5 Complete ✅ | Ready for Phase 6: GUI Rework 🎨*
 
 ### Medium Priority Issues (Priority 3-4: CLI & Search)
 

docs/frontend-plan.md

@@ -0,0 +1,281 @@
+# Frontend Rebuild Plan - Phase 1: Pure HTML Responsive Design
+
+**Created**: March 17, 2026  
+**Completed**: March 20, 2026  
+**Status**: ✅ **PHASE 1 COMPLETE**  
+**Phase**: 1 of 3 (Pure HTML → HTMX → JavaScript Components)
+
+## ✅ Phase 1 Completion Summary
+
+**Phase 1 has been successfully completed** with all core objectives achieved and several enhancements beyond the original scope.
+
+### 🎯 Major Achievements
+
+**✅ Complete Responsive Redesign**
+- Mobile-first responsive layout with 768px breakpoint
+- JavaScript completely eliminated (HTML + CSS only approach)
+- Component-based template architecture ready for HTMX integration
+- Clean URL structure with search state persistence
+
+**✅ Enhanced User Experience**
+- User-specific status badges on book cards (reading, rating, wishlist)
+- Expandable mobile status bar using CSS-only approach
+- Fixed Bootstrap mobile dropdown positioning issues
+- Optimized book card sizing and layout for better screen utilization
+
+**✅ Technical Improvements**
+- Pydantic 2.x server-side validation with proper error handling
+- Shared template component system (`user_book_vars.html.j2`) 
+- Jinja2 import/export pattern for DRY template variables
+- Individual form handling to avoid nested HTML form issues
+
+**✅ Code Quality Enhancements**
+- Eliminated code duplication across template components
+- Proper Jinja2 scoping with `{% import %}` and `with context`
+- Component isolation ready for HTMX partial updates
+- Clean separation between presentation and business logic
+
+### 📱 Mobile Responsiveness Achievements
+- **Header**: Fixed user selector dropdown floating properly on mobile
+- **Book Details**: Expandable status component that collapses on mobile, stays expanded on desktop
+- **Book Cards**: Status badges properly positioned, optimized card sizing
+- **Forms**: All forms work seamlessly across device sizes
+
+### 🛠️ Technical Architecture Delivered
+- Component-based templates in `src/hxbooks/templates/components/`
+- Shared variables system for user book data across components
+- Bootstrap 5.3 + custom CSS responsive framework
+- Server-side validation with Pydantic schemas
+- Clean URL routing with search state preservation
+
+## Overview
+
+Rebuild HXBooks frontend with mobile-first responsive design using pure HTML and Bootstrap. Create clean, component-based template structure that will be HTMX-ready for Phase 2.
+
+**Core Views:**
+- **Book List**: Main view with search bar, sidebar, results grid
+- **Book Details**: Full book data display and edit forms
+
+**Design Decisions:**
+- Mobile-first responsive (768px breakpoint)
+- Visible sidebar (desktop), hamburger menu (mobile) 
+- User selector as filter dropdown (not login-style)
+- Clean URLs with full search state persistence
+- Component-based templates for HTMX compatibility
+- HTML5 + server-side validation
+
+## Implementation Plan
+
+### Phase A: Foundation Setup *(Steps 1-3)*
+
+**Step 1: Base Layout & Components**
+- `templates/base.html.j2` - Main layout with Bootstrap, responsive sidebar framework
+- `templates/components/header.html.j2` - Header with user selector dropdown
+- `templates/components/sidebar.html.j2` - Collapsible sidebar with search list
+- `src/hxbooks/static/style.css` - Custom responsive CSS
+
+**Step 2: Clean URL Routing**
+- Rewrite `src/hxbooks/app.py` routes with clean URLs:
+  - `/` - Book list (main view)
+  - `/search?q=...&filters=...` - Search with URL persistence  
+  - `/book/new` - Create book
+  - `/book/<id>` - Book details/edit
+  - `/book/<id>/delete` - Delete confirmation
+  - `/import` - Import from ISBN
+
+**Step 3: Sidebar Component**
+- Default searches (All, Owned, Wishlist, Reading, Read)
+- Saved user searches with edit/delete
+- Create/Import buttons in top section
+- Responsive collapse behavior
+
+### Phase B: Book List View *(Steps 4-7)*
+
+**Step 4: Search Infrastructure** 
+- `templates/components/search_bar.html.j2` - Search input with suggestions
+- `templates/components/search_filters.html.j2` - Advanced filters panel
+- URL parameter handling for persistent search state
+- Mobile-optimized search interface
+
+**Step 5: Search Results Display**
+- `templates/components/book_card.html.j2` - Individual book preview card
+- `templates/book/list.html.j2` - Results grid with responsive columns
+- Card layout optimized for future HTMX partial updates
+- Loading state placeholders (simple for Phase 1)
+
+**Step 6: Search State Persistence**
+- URL serialization/deserialization for all search params
+- Browser history support with clean URLs
+- Bookmarkable search results
+- Form state preservation on validation errors
+
+**Step 7: Save Search Functionality**
+- `templates/components/save_search_modal.html.j2` - Save search form
+- Integration with user saved searches in sidebar
+- Validation and error handling
+
+### Phase C: Book Details View *(Steps 8-11)*
+
+**Step 8: Book Details Structure**
+- `templates/book/detail.html.j2` - Full book display and edit forms
+- `templates/components/book_form.html.j2` - Reusable book edit form
+- All metadata fields (title, authors, genres, location, notes)
+- Responsive form layout for mobile/desktop
+
+**Step 9: User-Specific Data**
+- `templates/components/reading_status.html.j2` - Reading tracking component
+- `templates/components/wishlist_status.html.j2` - Wishlist management
+- Reading history display based on selected user context
+- User-specific action buttons
+
+**Step 10: Book Action Buttons**
+- Accept/Discard changes with form state management
+- Delete book with confirmation
+- Start/Finish reading workflow
+- Add/Remove from wishlist
+- Action buttons optimized for HTMX target attributes
+
+**Step 11: Book Creation Workflow**
+- `templates/book/create.html.j2` - New book form
+- `templates/components/import_modal.html.j2` - ISBN import modal
+- Google Books API integration form
+- Form validation with inline error display
+
+### Phase D: Integration & Polish *(Steps 12-13)*
+
+**Step 12: Form Validation**
+- HTML5 client-side validation attributes
+- Server-side Pydantic validation integration
+- `templates/components/error_display.html.j2` - Error message component
+- Form state preservation and error recovery
+
+**Step 13: Responsive Testing & Cleanup**
+- Cross-device testing (phone, tablet, desktop)
+- Sidebar behavior verification at 768px breakpoint
+- Form flow validation and error handling
+- Performance optimization for large libraries
+
+## Technical Architecture
+
+### Component Structure
+```
+templates/
+├── base.html.j2                    # Main layout
+├── components/                     # Reusable components (HTMX-ready)
+│   ├── header.html.j2             # User selector, branding
+│   ├── sidebar.html.j2            # Search list, actions
+│   ├── search_bar.html.j2         # Search input
+│   ├── search_filters.html.j2     # Advanced filters
+│   ├── book_card.html.j2          # Book preview card
+│   ├── book_form.html.j2          # Book edit form
+│   ├── reading_status.html.j2     # Reading tracking
+│   ├── wishlist_status.html.j2    # Wishlist management
+│   ├── save_search_modal.html.j2  # Save search dialog
+│   ├── import_modal.html.j2       # ISBN import dialog
+│   └── error_display.html.j2      # Error messages
+└── book/
+    ├── list.html.j2               # Book list with search results
+    ├── detail.html.j2             # Book details and edit
+    └── create.html.j2             # New book creation
+```
+
+### HTMX-Ready Design Patterns
+- **Atomic Components**: Each component can be updated independently
+- **Target Attributes**: Components designed for `hx-target` updates
+- **Fragment Boundaries**: Clear separation for partial page updates
+- **State Management**: URL-based state for HTMX navigation
+- **Form Structure**: Post-redirect-get pattern for HTMX compatibility
+
+### URL Structure (Clean)
+```
+/                           # Book list (main view)
+/search?q=tolkien&read=true # Search with filters (bookmarkable)
+/book/new                   # Create new book
+/book/123                   # View/edit book details  
+/book/123/delete           # Delete confirmation
+/import                    # Import book from ISBN
+```
+
+### Responsive Breakpoints
+- **Mobile**: < 768px (hamburger sidebar, stacked layout)
+- **Desktop**: ≥ 768px (visible sidebar, grid layout)
+- **Component Flexibility**: Cards adapt to container width
+
+## Implementation Notes
+
+### Backend Integration
+- Rewrite routes in `src/hxbooks/app.py` (clean implementation vs book.py)
+- Use `library.py` as business logic interface (following CLI pattern)
+- Mock missing functionality in `library.py` (saved searches handling, etc.)
+- Utilize existing Pydantic schemas for validation
+- **Note**: Implement missing `library.py` methods as needed during development
+
+### Development Priorities
+1. **Mobile-first**: Design components for mobile, enhance for desktop
+2. **Component Isolation**: Prepare for HTMX partial updates
+3. **Clean URLs**: Ensure bookmarkable and shareable search states
+4. **Form Validation**: HTML5 + server-side with good error UX
+
+### Excluded from Phase 1
+- HTMX dynamic updates (Phase 2)
+- JavaScript component enhancement (Phase 3)
+- Advanced loading states and error recovery
+- Mobile gesture optimization
+- Accessibility features (deferred)
+- Alternative view formats (table, detailed list)
+
+## ✅ Verification Checklist - COMPLETED
+
+### Responsive Behavior
+- [x] Sidebar collapses to hamburger on mobile (< 768px)
+- [x] Card grid adapts to screen width (optimized with better sizing)
+- [x] Forms are usable on mobile devices
+- [x] Header user selector works on all devices (fixed dropdown positioning)
+
+### Search Functionality  
+- [x] URL persistence for all search parameters
+- [x] Saved searches load correctly from sidebar
+- [x] Search results display in responsive card grid
+- [x] Navigation between search and details preserves context
+
+### Book Management
+- [x] Create new book workflow functions
+- [x] ISBN import modal works
+- [x] Book details editing with validation (Pydantic integration)
+- [x] Accept/Discard/Delete actions work correctly
+
+### User Context
+- [x] User selector dropdown updates context
+- [x] Reading status reflects selected user
+- [x] Wishlist data shows for correct user
+- [x] User-specific actions function properly
+
+### Form Validation
+- [x] HTML5 validation prevents submission of invalid data
+- [x] Server-side Pydantic validation shows errors
+- [x] Error messages display clearly
+- [x] Form state preserved after validation errors
+
+### ✨ Additional Features Delivered
+- [x] **Status badges on book cards** - Reading status, ratings, and wishlist indicators
+- [x] **Mobile expandable status component** - CSS-only solution for book details
+- [x] **Shared template variables** - DRY approach with proper Jinja2 imports
+- [x] **JavaScript elimination** - Pure HTML+CSS approach achieved
+- [x] **Enhanced mobile UX** - Fixed dropdown issues, optimized layouts
+- [x] **Code quality improvements** - Component refactoring and template organization
+
+---
+
+## 🚀 Phase 2 Preparation
+
+**Ready for Phase 2**: The component-based architecture and clean URL structure are now ready for HTMX enhancement:
+- Partial page updates (search results, form submissions)
+- Inline editing capabilities  
+- Progressive enhancement of user interactions
+- Dynamic form validation and feedback
+
+**Key Files Ready for HTMX Integration:**
+- All components in `src/hxbooks/templates/components/` 
+- Clean separation between data and presentation
+- Atomic components designed for independent updates
+- URL-based state management compatible with HTMX navigation

pyproject.toml

@@ -14,6 +14,7 @@ dependencies = [
     "gunicorn>=25.1.0",
     "jinja2-fragments>=1.11.0",
     "pydantic>=2.12.5",
+    "pydantic-extra-types>=2.11.1",
     "pyparsing>=3.3.2",
     "requests>=2.32.5",
     "sqlalchemy>=2.0.48",
@@ -28,6 +29,7 @@ build-backend = "uv_build"
 
 [dependency-groups]
 dev = [
+    "livereload>=2.7.1",
     "pre-commit>=4.5.1",
     "pytest>=9.0.2",
     "ruff>=0.15.6",

src/hxbooks/__main__.py

@@ -1,10 +0,0 @@
-import livereload  # type: ignore
-
-from hxbooks.app import create_app
-
-app = create_app()
-app.debug = True
-# app.run()
-server = livereload.Server(app.wsgi_app)
-server.watch("hxbooks/templates/**")
-server.serve(port=5000, host="0.0.0.0")

src/hxbooks/app.py

@@ -4,8 +4,9 @@ from pathlib import Path
 from flask import Flask
 from flask_migrate import Migrate
 
-from . import auth, book, db
+from . import auth, db
 from .htmx import htmx
+from .main import bp as main_bp
 
 # Get the project root (parent of src/)
 PROJECT_ROOT = Path(__file__).parent.parent.parent
@@ -40,9 +41,8 @@ def create_app(test_config: dict | None = None) -> Flask:
     # Initialize migrations
     Migrate(app, db.db)
 
+    # Register blueprints
     app.register_blueprint(auth.bp)
-    app.register_blueprint(book.bp)
+    app.register_blueprint(main_bp)
-
-    app.add_url_rule("/", endpoint="books.books")
 
     return app

src/hxbooks/cli.py

@@ -127,6 +127,89 @@ def add_book(
             sys.exit(1)
 
 
+@book.command("get")
+@click.argument("book_id", type=int)
+def get_book(book_id: int) -> None:
+    """Get detailed information about a book by ID."""
+    app = get_app()
+
+    with app.app_context():
+        try:
+            book = library.get_book(book_id=book_id)
+            if book is None:
+                click.echo(f"Book with ID {book_id} not found.")
+                sys.exit(1)
+
+            book_info = {
+                "id": book.id,
+                "title": book.title,
+                "authors": [author.name for author in book.authors],
+                "genres": [genre.name for genre in book.genres],
+                "owner": book.owner.username if book.owner else None,
+                "isbn": book.isbn,
+                "publisher": book.publisher,
+                "edition": book.edition,
+                "description": book.description,
+                "notes": book.notes,
+                "location": {
+                    "place": book.location_place,
+                    "bookshelf": book.location_bookshelf,
+                    "shelf": book.location_shelf,
+                },
+                "loaned_to": book.loaned_to,
+                "loaned_date": book.loaned_date.isoformat()
+                if book.loaned_date
+                else None,
+                "added_date": book.added_date.isoformat(),
+                "bought_date": book.bought_date.isoformat()
+                if book.bought_date
+                else None,
+                "readings": [
+                    {
+                        "user": reading.user.username if reading.user else None,
+                        "start_date": reading.start_date.isoformat(),
+                        "end_date": reading.end_date.isoformat()
+                        if reading.end_date
+                        else None,
+                        "dropped": reading.dropped,
+                        "rating": reading.rating,
+                        "comments": reading.comments,
+                    }
+                    for reading in book.readings
+                ],
+                "wished_by": [
+                    {
+                        "user": item.user.username if item.user else None,
+                        "wishlisted_date": item.wishlisted_date.isoformat(),
+                    }
+                    for item in book.wished_by
+                ],
+            }
+            click.echo(json.dumps(book_info, indent=2))
+
+        except Exception as e:
+            click.echo(f"Error getting book: {e}", err=True)
+            sys.exit(1)
+
+
+@book.command("delete")
+@click.argument("book_id", type=int)
+def delete_book(book_id: int) -> None:
+    """Delete a book from the library."""
+    app = get_app()
+
+    with app.app_context():
+        try:
+            if library.delete_book(book_id=book_id):
+                click.echo(f"Deleted book with ID {book_id}")
+            else:
+                click.echo(f"Book with ID {book_id} not found.")
+                sys.exit(1)
+        except Exception as e:
+            click.echo(f"Error deleting book: {e}", err=True)
+            sys.exit(1)
+
+
 @book.command("list")
 @click.option("--owner", help="Filter by owner username")
 @click.option("--place", help="Filter by location place")
@@ -274,20 +357,23 @@ def search_books(
 
 @book.command("import")
 @click.argument("isbn")
-@click.option("--owner", required=True, help="Username of book owner")
+@click.option("--owner", help="Username of book owner")
 @click.option("--place", help="Location place")
 @click.option("--bookshelf", help="Bookshelf name")
 @click.option("--shelf", type=int, help="Shelf number")
 def import_book(
     isbn: str,
-    owner: str,
+    owner: str | None = None,
     place: str | None = None,
     bookshelf: str | None = None,
     shelf: int | None = None,
 ) -> None:
     """Import book data from ISBN using Google Books API."""
     app = get_app()
-    user_id = ensure_user_exists(app, owner)
+    if owner:
+        user_id = ensure_user_exists(app, owner)
+    else:
+        user_id = None
 
     with app.app_context():
         try:
@@ -629,5 +715,18 @@ def db_status() -> None:
             sys.exit(1)
 
 
+@cli.command()
+def serve() -> None:
+    """Start the web server."""
+    import livereload  # noqa: PLC0415
+
+    app = get_app()
+    app.debug = True
+    # app.run()
+    server = livereload.Server(app.wsgi_app)
+    server.watch("hxbooks/templates/**")
+    server.serve(port=5000, host="0.0.0.0")
+
+
 if __name__ == "__main__":
     cli()

src/hxbooks/gbooks.py

@@ -1,53 +1,10 @@
+from os import environ
 from datetime import date, datetime
 from typing import Any
 
 import requests
 from pydantic import BaseModel, field_validator
 
-# {
-#         "title": "Concilio de Sombras (Sombras de Magia 2)",
-#         "authors": [
-#           "Victoria Schwab"
-#         ],
-#         "publisher": "Urano World",
-#         "publishedDate": "2023-11-14",
-#         "description": "Four months have passed since the shadow stone fell into Kell's possession. Four months since his path was crossed with Delilah Bard. Four months since Rhy was wounded and the Dane twins fell, and the stone was cast with Holland's dying body through the rift, and into Black London. In many ways, things have almost returned to normal, though Rhy is more sober, and Kell is now plagued by his guilt. Restless, and having been given up smuggling, Kell is visited by dreams of ominous magical events, waking only to think of Lila, who disappeared from the docks like she always meant to do. As Red London finalizes preparations for the Element Games-an extravagant international competition of magic, meant to entertain and keep the ties between neighboring countries healthy- a certain pirate ship draws closer, carrying old friends back into port. But while Red London is caught up in the pageantry and thrills of the Games, another London is coming back to life, and those who were thought to be forever gone have returned. After all, a shadow that was gone in the night reappears in the morning, and so it seems Black London has risen again-and so to keep magic's balance, another London must fall.",
-#         "industryIdentifiers": [
-#           {
-#             "type": "ISBN_10",
-#             "identifier": "8419030503"
-#           },
-#           {
-#             "type": "ISBN_13",
-#             "identifier": "9788419030504"
-#           }
-#         ],
-#         "readingModes": {
-#           "text": false,
-#           "image": false
-#         },
-#         "pageCount": 0,
-#         "printType": "BOOK",
-#         "categories": [
-#           "Fiction"
-#         ],
-#         "maturityRating": "NOT_MATURE",
-#         "allowAnonLogging": false,
-#         "contentVersion": "preview-1.0.0",
-#         "panelizationSummary": {
-#           "containsEpubBubbles": false,
-#           "containsImageBubbles": false
-#         },
-#         "imageLinks": {
-#           "smallThumbnail": "http://books.google.com/books/content?id=GM4G0AEACAAJ&printsec=frontcover&img=1&zoom=5&source=gbs_api",
-#           "thumbnail": "http://books.google.com/books/content?id=GM4G0AEACAAJ&printsec=frontcover&img=1&zoom=1&source=gbs_api"
-#         },
-#         "language": "es",
-#         "previewLink": "http://books.google.es/books?id=GM4G0AEACAAJ&dq=isbn:9788419030504&hl=&cd=1&source=gbs_api",
-#         "infoLink": "http://books.google.es/books?id=GM4G0AEACAAJ&dq=isbn:9788419030504&hl=&source=gbs_api",
-#         "canonicalVolumeLink": "https://books.google.com/books/about/Concilio_de_Sombras_Sombras_de_Magia_2.html?hl=&id=GM4G0AEACAAJ"
-#       }
-
 
 class GoogleBook(BaseModel):
     title: str
@@ -83,8 +40,9 @@ class GoogleBook(BaseModel):
 
 
 def fetch_google_book_data(isbn: str) -> GoogleBook:
+    api_key = environ.get("GOOGLE_BOOKS_API_KEY")
     req = requests.get(
-        "https://www.googleapis.com/books/v1/volumes", params={"q": f"isbn:{isbn}"}
+        "https://www.googleapis.com/books/v1/volumes", params={"q": f"isbn:{isbn}", "key": api_key}
     )
     req.raise_for_status()
     data = req.json()

src/hxbooks/library.py

@@ -9,10 +9,10 @@ from collections.abc import Sequence
 from datetime import date, datetime
 from typing import assert_never
 
-from sqlalchemy import ColumnElement, and_, or_
+from sqlalchemy import ColumnElement, Select, and_, func, or_, select
 from sqlalchemy.orm import InstrumentedAttribute, joinedload
 
-from hxbooks.search import IsOperatorValue, QueryParser, ValueT
+from hxbooks.search import IsOperatorValue, QueryParser, SortDirection, ValueT
 
 from .db import db
 from .gbooks import fetch_google_book_data
@@ -35,6 +35,8 @@ def create_book(
     location_shelf: int | None = None,
     first_published: int | None = None,
     bought_date: date | None = None,
+    loaned_to: str | None = None,
+    loaned_date: date | None = None,
 ) -> Book:
     """Create a new book with the given details."""
     book = Book(
@@ -50,6 +52,8 @@ def create_book(
         location_shelf=location_shelf,
         first_published=first_published,
         bought_date=bought_date,
+        loaned_to=loaned_to or "",
+        loaned_date=loaned_date,
     )
     db.session.add(book)
 
@@ -71,20 +75,26 @@ def create_book(
 
 def get_book(book_id: int) -> Book | None:
     """Get a book by ID with all relationships loaded."""
-    return db.session.execute(
+    return (
-        db
+        db.session
-        .select(Book)
+        .execute(
-        .options(
+            select(Book)
-            joinedload(Book.authors),
+            .options(
-            joinedload(Book.genres),
+                joinedload(Book.authors),
-            joinedload(Book.owner),
+                joinedload(Book.genres),
+                joinedload(Book.owner),
+            )
+            .filter(Book.id == book_id)
         )
-        .filter(Book.id == book_id)
+        .unique()
-    ).scalar_one_or_none()
+        .scalar_one_or_none()
+    )
 
 
 def update_book(
     book_id: int,
+    set_all_fields: bool = False,  # If True, all fields must be provided and will be set (even if None)
+    owner_id: int | None = None,
     title: str | None = None,
     authors: list[str] | None = None,
     genres: list[str] | None = None,
@@ -98,6 +108,8 @@ def update_book(
     location_shelf: int | None = None,
     first_published: int | None = None,
     bought_date: date | None = None,
+    loaned_to: str | None = None,
+    loaned_date: date | None = None,
 ) -> Book | None:
     """Update a book with new details."""
     book = get_book(book_id)
@@ -105,43 +117,73 @@ def update_book(
         return None
 
     # Update scalar fields
-    if title is not None:
+    if title is not None or set_all_fields:
+        assert title is not None, "Title is required when set_all_fields is True"
         book.title = title
-    if isbn is not None:
+    if isbn is not None or set_all_fields:
+        assert isbn is not None, "ISBN is required when set_all_fields is True"
         book.isbn = isbn
-    if publisher is not None:
+    if publisher is not None or set_all_fields:
+        assert publisher is not None, (
+            "Publisher is required when set_all_fields is True"
+        )
         book.publisher = publisher
-    if edition is not None:
+    if edition is not None or set_all_fields:
+        assert edition is not None, "Edition is required when set_all_fields is True"
         book.edition = edition
-    if description is not None:
+    if description is not None or set_all_fields:
+        assert description is not None, (
+            "Description is required when set_all_fields is True"
+        )
         book.description = description
-    if notes is not None:
+    if notes is not None or set_all_fields:
+        assert notes is not None, "Notes is required when set_all_fields is True"
         book.notes = notes
-    if location_place is not None:
+    if location_place is not None or set_all_fields:
+        assert location_place is not None, (
+            "Location place is required when set_all_fields is True"
+        )
         book.location_place = location_place
-    if location_bookshelf is not None:
+    if location_bookshelf is not None or set_all_fields:
+        assert location_bookshelf is not None, (
+            "Location bookshelf is required when set_all_fields is True"
+        )
         book.location_bookshelf = location_bookshelf
-    if location_shelf is not None:
+    if location_shelf is not None or set_all_fields:
         book.location_shelf = location_shelf
-    if first_published is not None:
+    if first_published is not None or set_all_fields:
         book.first_published = first_published
-    if bought_date is not None:
+    if bought_date is not None or set_all_fields:
         book.bought_date = bought_date
+    if loaned_to is not None or set_all_fields:
+        assert loaned_to is not None, (
+            "Loaned to is required when set_all_fields is True"
+        )
+        book.loaned_to = loaned_to
+    if loaned_date is not None or set_all_fields:
+        book.loaned_date = loaned_date
 
     # Update authors
-    if authors is not None:
+    if authors is not None or set_all_fields:
+        assert authors is not None, (
+            "Authors list is required when set_all_fields is True"
+        )
         book.authors.clear()
         for author_name in [a_strip for a in authors if (a_strip := a.strip())]:
             author = _get_or_create_author(author_name)
             book.authors.append(author)
 
     # Update genres
-    if genres is not None:
+    if genres is not None or set_all_fields:
+        assert genres is not None, "Genres list is required when set_all_fields is True"
         book.genres.clear()
         for genre_name in [g_strip for g in genres if (g_strip := g.strip())]:
             genre = _get_or_create_genre(genre_name)
             book.genres.append(genre)
 
+    if owner_id is not None or set_all_fields:
+        book.owner_id = owner_id
+
     db.session.commit()
     return book
 
@@ -173,7 +215,7 @@ def search_books(
 
     For now implements basic filtering - advanced query parsing will be added later.
     """
-    query = db.select(Book).options(
+    query = select(Book).options(
         joinedload(Book.authors), joinedload(Book.genres), joinedload(Book.owner)
     )
 
@@ -239,8 +281,12 @@ def search_books_advanced(
     """Advanced search with field filters supporting comparison operators."""
     parsed_query = query_parser.parse(query_string)
 
-    query = db.select(Book).options(
+    query = (
-        joinedload(Book.authors), joinedload(Book.genres), joinedload(Book.owner)
+        select(Book)
+        .options(
+            joinedload(Book.authors), joinedload(Book.genres), joinedload(Book.owner)
+        )
+        .outerjoin(User)
     )
 
     conditions = []
@@ -264,8 +310,13 @@ def search_books_advanced(
             conditions.append(or_(*text_conditions))
 
     # Advanced field filters
-    if parsed_query.field_filters:
+    sort_columns = []
-        for field_filter in parsed_query.field_filters:
+    for field_filter in parsed_query.field_filters:
+        if field_filter.field == Field.SORT:
+            query, sort_column = _build_sort_column(query, field_filter.value, username)
+            if sort_column is not None:
+                sort_columns.append(sort_column)
+        else:
             condition = _build_field_condition(field_filter, username)
 
             if condition is not None:
@@ -277,6 +328,10 @@ def search_books_advanced(
     if conditions:
         query = query.filter(and_(*conditions))
 
+    # Ensure deterministic order by adding added date as tiebreaker
+    sort_columns.append(Book.added_date.desc())
+    query = query.order_by(*sort_columns)
+
     query = query.distinct().limit(limit)
 
     result = db.session.execute(query)
@@ -316,7 +371,7 @@ def _build_field_condition(
         case Field.LOANED_DATE:
             field_attr = Book.loaned_date
         case Field.OWNER:
-            return Book.owner.has(_apply_operator(User.username, operator, value))
+            field_attr = User.username
         case Field.YEAR:
             field_attr = Book.first_published
         case Field.RATING:
@@ -363,6 +418,8 @@ def _build_field_condition(
                     return None
                 case _:
                     assert_never(value)
+        case Field.SORT:
+            return None
         case _:
             assert_never(field)
 
@@ -370,6 +427,91 @@ def _build_field_condition(
     return condition
 
 
+def _build_sort_column(
+    query: Select, value: ValueT, username: str | None = None
+) -> tuple[Select, ColumnElement | None]:
+    """Build a sort column for the 'sort' field."""
+    assert isinstance(value, tuple) and len(value) == 2
+    field, direction = value
+    assert isinstance(field, Field) and isinstance(direction, SortDirection)
+
+    match field:
+        case Field.TITLE:
+            column = Book.title
+        case Field.YEAR:
+            column = Book.first_published
+        case Field.ADDED_DATE:
+            column = Book.added_date
+        case Field.BOUGHT_DATE:
+            column = Book.bought_date
+        case Field.LOANED_DATE:
+            column = Book.loaned_date
+        case Field.ISBN:
+            column = Book.isbn
+        case Field.PLACE:
+            column = Book.location_place
+        case Field.BOOKSHELF:
+            column = Book.location_bookshelf
+        case Field.SHELF:
+            column = Book.location_shelf
+        case Field.OWNER:
+            column = User.username
+        case Field.READ_DATE:
+            # Special handling for sorting by read date - sort by latest reading end
+            # date
+            subq = (
+                select(
+                    Reading.book_id,
+                    func.max(Reading.end_date).label("latest_read_date"),
+                )
+                .where(
+                    Reading.user.has(User.username == username),
+                    Reading.end_date.isnot(None),
+                )
+                .group_by(Reading.book_id)
+                .subquery("latest_readings")
+            )
+            query = query.outerjoin(subq, Book.id == subq.c.book_id)
+            column = subq.c.latest_read_date
+        case Field.RATING:
+            # Special handling for sorting by rating - sort by latest reading rating
+            subq = (
+                select(
+                    Reading.book_id,
+                    Reading.rating.label("latest_rating"),
+                    func
+                    .row_number()
+                    .over(
+                        partition_by=Reading.book_id,
+                        order_by=Reading.end_date.desc(),
+                    )
+                    .label("rn"),
+                )
+                .where(
+                    Reading.user.has(User.username == username),
+                    Reading.rating.isnot(None),
+                    Reading.end_date.isnot(None),
+                )
+                .subquery("latest_ratings")
+            )
+            query = query.outerjoin(
+                subq, (Book.id == subq.c.book_id) & (subq.c.rn == 1)
+            )
+            column = subq.c.latest_rating
+        # These fields don't make sense to sort by
+        case Field.AUTHOR | Field.GENRE | Field.IS | Field.SORT:
+            return query, None
+        case _:
+            assert_never(field)
+
+    if direction == SortDirection.ASC:
+        return query, column.asc().nullslast()
+    elif direction == SortDirection.DESC:
+        return query, column.desc().nullslast()
+    else:
+        return query, None
+
+
 def _apply_operator(
     field_attr: InstrumentedAttribute, operator: ComparisonOperator, value: ValueT
 ) -> ColumnElement:
@@ -455,7 +597,7 @@ def get_books_by_location(
 def _get_or_create_author(name: str) -> Author:
     """Get existing author or create a new one."""
     author = db.session.execute(
-        db.select(Author).filter(Author.name == name)
+        select(Author).filter(Author.name == name)
     ).scalar_one_or_none()
 
     if author is None:
@@ -469,7 +611,7 @@ def _get_or_create_author(name: str) -> Author:
 def _get_or_create_genre(name: str) -> Genre:
     """Get existing genre or create a new one."""
     genre = db.session.execute(
-        db.select(Genre).filter(Genre.name == name)
+        select(Genre).filter(Genre.name == name)
     ).scalar_one_or_none()
 
     if genre is None:
@@ -496,7 +638,7 @@ def start_reading(
 
     # Check if already reading this book
     existing_reading = db.session.execute(
-        db.select(Reading).filter(
+        select(Reading).filter(
             and_(
                 Reading.book_id == book_id,
                 Reading.user_id == user_id,
@@ -529,8 +671,7 @@ def finish_reading(
 ) -> Reading:
     """Finish a reading session."""
     reading = db.session.execute(
-        db
+        select(Reading)
-        .select(Reading)
         .options(joinedload(Reading.book))
         .filter(Reading.id == reading_id)
     ).scalar_one_or_none()
@@ -564,8 +705,7 @@ def drop_reading(
 ) -> Reading:
     """Mark a reading session as dropped."""
     reading = db.session.execute(
-        db
+        select(Reading)
-        .select(Reading)
         .options(joinedload(Reading.book))
         .filter(Reading.id == reading_id)
     ).scalar_one_or_none()
@@ -592,8 +732,7 @@ def get_current_readings(user_id: int) -> Sequence[Reading]:
     return (
         db.session
         .execute(
-            db
+            select(Reading)
-            .select(Reading)
             .options(joinedload(Reading.book).joinedload(Book.authors))
             .filter(
                 and_(
@@ -614,8 +753,7 @@ def get_reading_history(user_id: int, limit: int = 50) -> Sequence[Reading]:
     return (
         db.session
         .execute(
-            db
+            select(Reading)
-            .select(Reading)
             .options(joinedload(Reading.book).joinedload(Book.authors))
             .filter(Reading.user_id == user_id)
             .order_by(Reading.start_date.desc())
@@ -627,6 +765,17 @@ def get_reading_history(user_id: int, limit: int = 50) -> Sequence[Reading]:
     )
 
 
+def delete_reading(reading_id: int) -> bool:
+    """Delete a reading session."""
+    reading = db.session.get(Reading, reading_id)
+    if not reading:
+        return False
+
+    db.session.delete(reading)
+    db.session.commit()
+    return True
+
+
 def add_to_wishlist(book_id: int, user_id: int) -> Wishlist:
     """Add a book to user's wishlist."""
     # Check if book exists
@@ -641,7 +790,7 @@ def add_to_wishlist(book_id: int, user_id: int) -> Wishlist:
 
     # Check if already in wishlist
     existing = db.session.execute(
-        db.select(Wishlist).filter(
+        select(Wishlist).filter(
             and_(
                 Wishlist.book_id == book_id,
                 Wishlist.user_id == user_id,
@@ -665,7 +814,7 @@ def add_to_wishlist(book_id: int, user_id: int) -> Wishlist:
 def remove_from_wishlist(book_id: int, user_id: int) -> bool:
     """Remove a book from user's wishlist."""
     wishlist_item = db.session.execute(
-        db.select(Wishlist).filter(
+        select(Wishlist).filter(
             and_(
                 Wishlist.book_id == book_id,
                 Wishlist.user_id == user_id,
@@ -686,8 +835,7 @@ def get_wishlist(user_id: int) -> Sequence[Wishlist]:
     return (
         db.session
         .execute(
-            db
+            select(Wishlist)
-            .select(Wishlist)
             .options(joinedload(Wishlist.book).joinedload(Book.authors))
             .filter(Wishlist.user_id == user_id)
             .order_by(Wishlist.wishlisted_date.desc())
@@ -702,7 +850,7 @@ def create_user(username: str) -> User:
     """Create a new user."""
     # Check if username already exists
     existing = db.session.execute(
-        db.select(User).filter(User.username == username)
+        select(User).filter(User.username == username)
     ).scalar_one_or_none()
 
     if existing:
@@ -717,10 +865,10 @@ def create_user(username: str) -> User:
 def get_user_by_username(username: str) -> User | None:
     """Get a user by username."""
     return db.session.execute(
-        db.select(User).filter(User.username == username)
+        select(User).filter(User.username == username)
     ).scalar_one_or_none()
 
 
 def list_users() -> Sequence[User]:
     """List all users."""
-    return db.session.execute(db.select(User).order_by(User.username)).scalars().all()
+    return db.session.execute(select(User).order_by(User.username)).scalars().all()

src/hxbooks/main.py

@@ -0,0 +1,572 @@
+"""
+Main application routes for HXBooks frontend.
+
+Provides clean URL structure and integrates with library.py business logic.
+"""
+
+import traceback
+from datetime import date
+from typing import Annotated, Any
+
+from flask import (
+    Blueprint,
+    flash,
+    g,
+    redirect,
+    render_template,
+    request,
+    session,
+    url_for,
+)
+from flask.typing import ResponseReturnValue
+from pydantic import (
+    BaseModel,
+    BeforeValidator,
+    Field,
+    StringConstraints,
+    ValidationError,
+)
+from pydantic_extra_types.isbn import ISBN
+
+from hxbooks.models import Reading, User
+
+from . import library
+from .db import db
+
+bp = Blueprint("main", __name__)
+
+
+# Pydantic validation models
+StrOrNone = Annotated[str | None, BeforeValidator(lambda v: v.strip() or None)]
+StripStr = Annotated[str, StringConstraints(strip_whitespace=True)]
+ISBNOrNone = Annotated[ISBN | None, BeforeValidator(lambda v: v.strip() or None)]
+TextareaList = Annotated[
+    list[str],
+    BeforeValidator(
+        lambda v: (
+            [line.strip() for line in v.split("\n") if line.strip()]
+            if isinstance(v, str)
+            else v or []
+        )
+    ),
+]
+DateOrNone = Annotated[date | None, BeforeValidator(lambda v: v.strip() or None)]
+IntOrNone = Annotated[int | None, BeforeValidator(lambda v: v.strip() or None)]
+
+
+class BookFormData(BaseModel):
+    title: StripStr = Field(min_length=1)
+    owner: StrOrNone = None
+    isbn: ISBNOrNone = None
+    authors: TextareaList = Field(default_factory=list)
+    genres: TextareaList = Field(default_factory=list)
+    first_published: IntOrNone = Field(default=None, le=2030)
+    publisher: StripStr = Field(default="")
+    edition: StripStr = Field(default="")
+    description: StripStr = Field(default="")
+    notes: StripStr = Field(default="")
+    location_place: StripStr = Field(default="")
+    location_bookshelf: StripStr = Field(default="")
+    location_shelf: IntOrNone = Field(default=None, ge=1)
+    loaned_to: StripStr = Field(default="")
+    loaned_date: DateOrNone = None
+
+
+class ReadingFormData(BaseModel):
+    start_date: date
+    end_date: DateOrNone = None
+    dropped: bool = Field(default=False)
+    rating: IntOrNone = Field(default=None, ge=1, le=5)
+    comments: StripStr = Field(default="")
+
+
+def _flash_validation_errors(e: ValidationError) -> None:
+    """Helper to flash validation errors."""
+    error = e.errors()[0]
+    loc = " -> ".join(str(v) for v in error.get("loc", []))
+    msg = error.get("msg", "Invalid input")
+    flash(f"Validation error in '{loc}': {msg}", "error")
+
+
+@bp.before_app_request
+def load_users() -> None:
+    """Load all users and current viewing context."""
+    # Get all users for the user selector
+    all_users = library.list_users()
+
+    # Set template context
+    g.users = all_users
+    g.viewing_user = next(
+        (user for user in all_users if user.username == session.get("viewing_as_user")),
+        None,
+    )
+    g.saved_searches = {}
+
+    # Load saved searches if viewing as a specific user
+    if g.viewing_user:
+        g.saved_searches = g.viewing_user.saved_searches or {}
+
+
+# Template context processor to make users and searches available in templates
+@bp.app_context_processor
+def inject_template_vars() -> dict[str, Any]:
+    return {
+        "users": getattr(g, "users", []),
+        "saved_searches": getattr(g, "saved_searches", {}),
+    }
+
+
+@bp.route("/")
+def index() -> ResponseReturnValue:
+    """Book list view - main application page."""
+    # Get search parameters
+    query = request.args.get("q", "")
+
+    # Get current viewing user
+    viewing_user = session.get("viewing_as_user")
+
+    try:
+        books = library.search_books_advanced(query, limit=100, username=viewing_user)
+    except Exception as e:
+        flash(f"Search error: {e}", "error")
+        # print traceback for debugging
+
+        traceback.print_exc()
+
+        books = []
+
+    return render_template("book/list.html.j2", books=books, query=query)
+
+
+@bp.route("/book/<int:book_id>")
+def book_detail(book_id: int) -> ResponseReturnValue:
+    """Book details and edit page."""
+    book = library.get_book(book_id)
+    if not book:
+        flash("Book not found", "error")
+        return redirect(url_for("main.index"))
+
+    return render_template("book/detail.html.j2", book=book)
+
+
+def _get_or_create_user(username: str) -> int:
+    """Helper to get or create a user by username."""
+    owner = library.get_user_by_username(username)
+    if not owner:
+        # Create new user if username doesn't exist
+        owner = library.create_user(username)
+
+    return owner.id
+
+
+@bp.route("/book/new", methods=["GET", "POST"])
+def create_book() -> ResponseReturnValue:
+    """Create a new book."""
+    if request.method == "POST":
+        try:
+            # Validate form data with Pydantic
+            form_data = BookFormData.model_validate(dict(request.form))
+
+            # Get owner ID if provided
+            owner_id = _get_or_create_user(form_data.owner) if form_data.owner else None
+
+            # Create book with validated data
+            book = library.create_book(
+                title=form_data.title,
+                owner_id=owner_id,
+                authors=form_data.authors,
+                genres=form_data.genres,
+                isbn=str(form_data.isbn) if form_data.isbn else None,
+                publisher=form_data.publisher,
+                edition=form_data.edition,
+                description=form_data.description,
+                notes=form_data.notes,
+                location_place=form_data.location_place,
+                location_bookshelf=form_data.location_bookshelf,
+                location_shelf=form_data.location_shelf,
+                first_published=form_data.first_published,
+                loaned_to=form_data.loaned_to,
+                loaned_date=form_data.loaned_date,
+            )
+
+            flash(f"Book '{form_data.title}' created successfully!", "success")
+            return redirect(url_for("main.book_detail", book_id=book.id))
+
+        except ValidationError as e:
+            _flash_validation_errors(e)
+
+            return render_template("book/create.html.j2", form_data=request.form)
+
+        except Exception as e:
+            flash(f"Error creating book: {e}", "error")
+            return render_template("book/create.html.j2", form_data=request.form)
+
+    return render_template("book/create.html.j2")
+
+
+@bp.route("/book/<int:book_id>/edit", methods=["POST"])
+def update_book(book_id: int) -> ResponseReturnValue:
+    """Update an existing book."""
+    book = library.get_book(book_id)
+    if not book:
+        flash("Book not found", "error")
+        return redirect(url_for("main.index"))
+
+    try:
+        # Validate form data with Pydantic
+        form_data = BookFormData.model_validate(dict(request.form))
+
+        # Get owner ID if provided
+        owner_id = _get_or_create_user(form_data.owner) if form_data.owner else None
+
+        # Update book with validated data
+        library.update_book(
+            book_id=book_id,
+            set_all_fields=True,  # Ensure all fields are updated, even if None/empty
+            title=form_data.title,
+            owner_id=owner_id,
+            authors=form_data.authors,
+            genres=form_data.genres,
+            isbn=str(form_data.isbn) if form_data.isbn else None,
+            publisher=form_data.publisher,
+            edition=form_data.edition,
+            description=form_data.description,
+            notes=form_data.notes,
+            location_place=form_data.location_place,
+            location_bookshelf=form_data.location_bookshelf,
+            location_shelf=form_data.location_shelf,
+            first_published=form_data.first_published,
+            loaned_to=form_data.loaned_to,
+            loaned_date=form_data.loaned_date,
+        )
+
+        flash("Book updated successfully!", "success")
+
+    except ValidationError as e:
+        # Format validation errors for display
+        _flash_validation_errors(e)
+
+    except Exception as e:
+        flash(f"Error updating book: {e}", "error")
+
+    return redirect(url_for("main.book_detail", book_id=book_id))
+
+
+@bp.route("/book/<int:book_id>/delete", methods=["GET", "POST"])
+def delete_book(book_id: int) -> ResponseReturnValue:
+    """Delete a book (GET shows confirmation, POST performs deletion)."""
+    book = library.get_book(book_id)
+    if not book:
+        flash("Book not found", "error")
+        return redirect(url_for("main.index"))
+
+    if request.method == "POST":
+        # Perform the actual deletion
+        try:
+            title = book.title
+            library.delete_book(book_id)
+            flash(f"Book '{title}' deleted successfully!", "success")
+        except Exception as e:
+            flash(f"Error deleting book: {e}", "error")
+        return redirect(url_for("main.index"))
+
+    # Show confirmation page
+    return render_template("book/delete_confirm.html.j2", book=book)
+
+
+@bp.route("/import", methods=["GET", "POST"])
+def import_book() -> ResponseReturnValue:
+    """Import a book from ISBN."""
+    if request.method == "POST":
+        isbn = request.form.get("isbn", "").strip()
+        if not isbn:
+            flash("ISBN is required", "error")
+            return redirect(url_for("main.index"))
+
+        try:
+            # Get current viewing user as owner
+            viewing_user = g.get("viewing_user")
+
+            # Import book from ISBN
+            book = library.import_book_from_isbn(
+                isbn=isbn, owner_id=viewing_user.id if viewing_user else None
+            )
+
+            flash(f"Book '{book.title}' imported successfully!", "success")
+            return redirect(url_for("main.book_detail", book_id=book.id))
+
+        except Exception as e:
+            flash(f"Import error: {e}", "error")
+
+    return redirect(url_for("main.index"))
+
+
+@bp.route("/set-user/<username>")
+@bp.route("/set-user/")
+def set_viewing_user(username: str = "") -> ResponseReturnValue:
+    """Set the current viewing user context."""
+    if username:
+        user = library.get_user_by_username(username)
+        if user:
+            session["viewing_as_user"] = user.username
+            flash(f"Now viewing as {username.title()}", "info")
+        else:
+            flash(f"User '{username}' not found", "error")
+    else:
+        session.pop("viewing_as_user", None)
+        flash("Now viewing all users", "info")
+
+    return redirect(request.referrer or url_for("main.index"))
+
+
+def _save_search(user: User, search_name: str, query_params: str) -> bool:
+    """Save a search for a user. Mock implementation."""
+    # Initialize saved_searches if None
+
+    user.saved_searches = user.saved_searches | {search_name: query_params}  # noqa: PLR6104
+    db.session.commit()
+    return True
+
+
+def _delete_saved_search(user: User, search_name: str) -> bool:
+    """Delete a saved search for a user. Mock implementation."""
+    if search_name in user.saved_searches:
+        user.saved_searches = {
+            k: v for k, v in user.saved_searches.items() if k != search_name
+        }  # needs to be a new object to trigger SQLAlchemy change detection
+        db.session.commit()
+        return True
+    return False
+
+
+@bp.route("/saved-search", methods=["POST"])
+def save_search_route() -> ResponseReturnValue:
+    """Save a search for the current user."""
+    viewing_user = g.get("viewing_user")
+    if not viewing_user:
+        flash("You must select a user to save searches", "error")
+        return redirect(url_for("main.index"))
+
+    search_name = request.form.get("name", "").strip()
+    query_params = request.form.get("query_params", "")
+
+    if not search_name:
+        flash("Search name is required", "error")
+        return redirect(url_for("main.index", q=query_params))
+
+    try:
+        success = _save_search(viewing_user, search_name, query_params)
+        if success:
+            flash(f"Search '{search_name}' saved successfully!", "success")
+        else:
+            flash("Error saving search", "error")
+    except Exception as e:
+        flash(f"Error saving search: {e}", "error")
+
+    return redirect(url_for("main.index", q=query_params))
+
+
+@bp.route("/book/<int:book_id>/reading/start", methods=["POST"])
+def start_reading_route(book_id: int) -> ResponseReturnValue:
+    """Start reading a book."""
+    viewing_user = g.get("viewing_user")
+    if not viewing_user:
+        flash("You must select a user to start reading", "error")
+        return redirect(url_for("main.book_detail", book_id=book_id))
+
+    try:
+        library.start_reading(book_id=book_id, user_id=viewing_user.id)
+        flash("Started reading!", "success")
+    except Exception as e:
+        flash(f"Error starting reading: {e}", "error")
+
+    return redirect(url_for("main.book_detail", book_id=book_id))
+
+
+@bp.route("/book/<int:book_id>/reading/finish", methods=["POST"])
+def finish_reading_route(book_id: int) -> ResponseReturnValue:
+    """Finish reading a book."""
+    viewing_user = g.get("viewing_user")
+    if not viewing_user:
+        flash("You must select a user to finish reading", "error")
+        return redirect(url_for("main.book_detail", book_id=book_id))
+
+    try:
+        # Find current reading for this user and book
+        current_readings = library.get_current_readings(user_id=viewing_user.id)
+        current_reading = next(
+            (r for r in current_readings if r.book_id == book_id), None
+        )
+
+        if not current_reading:
+            flash("No active reading session found", "error")
+            return redirect(url_for("main.book_detail", book_id=book_id))
+
+        library.finish_reading(reading_id=current_reading.id)
+        flash("Finished reading!", "success")
+    except Exception as e:
+        flash(f"Error finishing reading: {e}", "error")
+
+    return redirect(url_for("main.book_detail", book_id=book_id))
+
+
+@bp.route("/book/<int:book_id>/reading/drop", methods=["POST"])
+def drop_reading_route(book_id: int) -> ResponseReturnValue:
+    """Drop reading a book."""
+    viewing_user = g.get("viewing_user")
+    if not viewing_user:
+        flash("You must select a user to drop reading", "error")
+        return redirect(url_for("main.book_detail", book_id=book_id))
+
+    try:
+        # Find current reading for this user and book
+        current_readings = library.get_current_readings(user_id=viewing_user.id)
+        current_reading = next(
+            (r for r in current_readings if r.book_id == book_id), None
+        )
+
+        if not current_reading:
+            flash("No active reading session found", "error")
+            return redirect(url_for("main.book_detail", book_id=book_id))
+
+        library.drop_reading(reading_id=current_reading.id)
+        flash("Dropped reading", "info")
+    except Exception as e:
+        flash(f"Error dropping reading: {e}", "error")
+
+    return redirect(url_for("main.book_detail", book_id=book_id))
+
+
+@bp.route("/book/<int:book_id>/wishlist/add", methods=["POST"])
+def add_to_wishlist_route(book_id: int) -> ResponseReturnValue:
+    """Add book to wishlist."""
+    viewing_user = g.get("viewing_user")
+    if not viewing_user:
+        flash("You must select a user to add to wishlist", "error")
+        return redirect(url_for("main.book_detail", book_id=book_id))
+
+    try:
+        library.add_to_wishlist(book_id=book_id, user_id=viewing_user.id)
+        flash("Added to wishlist!", "success")
+    except Exception as e:
+        flash(f"Error adding to wishlist: {e}", "error")
+
+    return redirect(url_for("main.book_detail", book_id=book_id))
+
+
+@bp.route("/book/<int:book_id>/wishlist/remove", methods=["POST"])
+def remove_from_wishlist_route(book_id: int) -> ResponseReturnValue:
+    """Remove book from wishlist."""
+    viewing_user = g.get("viewing_user")
+    if not viewing_user:
+        flash("You must select a user to remove from wishlist", "error")
+        return redirect(url_for("main.book_detail", book_id=book_id))
+
+    try:
+        removed = library.remove_from_wishlist(book_id=book_id, user_id=viewing_user.id)
+        if removed:
+            flash("Removed from wishlist", "info")
+        else:
+            flash("Book was not in wishlist", "warning")
+    except Exception as e:
+        flash(f"Error removing from wishlist: {e}", "error")
+
+    return redirect(url_for("main.book_detail", book_id=book_id))
+
+
+@bp.route("/book/<int:book_id>/reading/<int:reading_id>/update", methods=["POST"])
+def update_reading_route(book_id: int, reading_id: int) -> ResponseReturnValue:
+    """Update a single reading session."""
+    viewing_user = g.get("viewing_user")
+    if not viewing_user:
+        flash("You must select a user to update readings", "error")
+        return redirect(url_for("main.book_detail", book_id=book_id))
+
+    try:
+        # Get and verify the reading belongs to current user
+        reading = db.session.get(Reading, reading_id)
+        if not reading or reading.user_id != viewing_user.id:
+            flash("Reading not found or not yours to modify", "error")
+            return redirect(url_for("main.book_detail", book_id=book_id))
+
+        # Validate the form data
+        form_data = ReadingFormData.model_validate(dict(request.form))
+
+        # Update the reading with validated data
+        reading.start_date = form_data.start_date
+        reading.end_date = form_data.end_date
+        reading.dropped = form_data.dropped
+        reading.rating = form_data.rating
+        reading.comments = form_data.comments
+
+        db.session.commit()
+        flash("Reading updated successfully!", "success")
+
+    except ValidationError as e:
+        db.session.rollback()  # Rollback any partial changes on validation error
+        _flash_validation_errors(e)
+
+    except Exception as e:
+        db.session.rollback()  # Rollback any partial changes on general error
+        flash(f"Error updating reading: {e}", "error")
+
+    return redirect(url_for("main.book_detail", book_id=book_id))
+
+
+@bp.route("/book/<int:book_id>/reading/<int:reading_id>/delete", methods=["POST"])
+def delete_reading_route(book_id: int, reading_id: int) -> ResponseReturnValue:
+    """Delete a reading session."""
+    viewing_user = g.get("viewing_user")
+    if not viewing_user:
+        flash("You must select a user to delete readings", "error")
+        return redirect(url_for("main.book_detail", book_id=book_id))
+
+    try:
+        # Verify the reading belongs to the current user
+        reading = db.session.get(Reading, reading_id)
+        if reading and reading.user_id == viewing_user.id:
+            deleted = library.delete_reading(reading_id)
+            if deleted:
+                flash("Reading session deleted", "info")
+            else:
+                flash("Reading session not found", "warning")
+        else:
+            flash("Reading session not found or not yours to delete", "error")
+    except Exception as e:
+        flash(f"Error deleting reading: {e}", "error")
+
+    return redirect(url_for("main.book_detail", book_id=book_id))
+
+
+@bp.route("/saved-search/<search_name>/delete", methods=["GET", "POST"])
+def delete_saved_search_route(search_name: str) -> ResponseReturnValue:
+    """Delete a saved search (GET shows confirmation, POST performs deletion)."""
+    viewing_user = g.get("viewing_user")
+    if not viewing_user:
+        flash("You must select a user to manage saved searches", "error")
+        return redirect(url_for("main.index"))
+
+    # Check if search exists
+    saved_searches = viewing_user.saved_searches or {}
+    if search_name not in saved_searches:
+        flash(f"Saved search '{search_name}' not found", "error")
+        return redirect(url_for("main.index"))
+
+    if request.method == "POST":
+        # Perform the actual deletion
+        try:
+            success = _delete_saved_search(viewing_user, search_name)
+            if success:
+                flash(f"Saved search '{search_name}' deleted successfully!", "success")
+            else:
+                flash("Error deleting saved search", "error")
+        except Exception as e:
+            flash(f"Error deleting saved search: {e}", "error")
+        return redirect(url_for("main.index"))
+
+    # Show confirmation page
+    return render_template(
+        "components/delete_search_confirm.html.j2",
+        search_name=search_name,
+        search_params=saved_searches[search_name],
+    )

src/hxbooks/models.py

@@ -22,6 +22,9 @@ class Author(db.Model):  # ty:ignore[unsupported-base]
         secondary="book_author", back_populates="authors"
     )
 
+    def __str__(self) -> str:
+        return self.name
+
 
 class Genre(db.Model):  # ty:ignore[unsupported-base]
     id: Mapped[int] = mapped_column(primary_key=True)
@@ -30,6 +33,9 @@ class Genre(db.Model):  # ty:ignore[unsupported-base]
         secondary="book_genre", back_populates="genres"
     )
 
+    def __str__(self) -> str:
+        return self.name
+
 
 class BookAuthor(db.Model):  # ty:ignore[unsupported-base]
     __tablename__ = "book_author"

src/hxbooks/search.py

@@ -42,6 +42,14 @@ class Field(StrEnum):
     LOANED_DATE = "loaned"
     OWNER = "owner"
     IS = "is"
+    SORT = "sort"
+
+
+class SortDirection(StrEnum):
+    """Supported sort directions for 'sort' field."""
+
+    ASC = "asc"
+    DESC = "desc"
 
 
 class IsOperatorValue(StrEnum):
@@ -55,7 +63,7 @@ class IsOperatorValue(StrEnum):
     UNKNOWN = "_unknown_"
 
 
-ValueT = str | int | float | date | IsOperatorValue
+ValueT = str | int | float | date | IsOperatorValue | tuple[Field, SortDirection]
 
 
 @dataclass
@@ -221,5 +229,18 @@ def _convert_value(field: Field, value_str: str) -> ValueT:
                 return IsOperatorValue(value_str)
             else:
                 return IsOperatorValue.UNKNOWN
+        case Field.SORT:
+            parts = value_str.split("-")
+            if (
+                len(parts) == 2
+                and parts[0] in Field
+                and parts[0] not in {Field.IS, Field.SORT}
+                and parts[1] in SortDirection
+            ):
+                return (Field(parts[0]), SortDirection(parts[1]))
+            elif len(parts) == 1 and parts[0] in Field:
+                return (Field(parts[0]), SortDirection.ASC)
+            else:
+                return (Field.SORT, SortDirection.ASC)  # Default sort if invalid
         case _:
             assert_never(field)

src/hxbooks/static/style.css

@@ -1,3 +1,4 @@
+/* Custom Bootstrap Variables */
 .form-check-input:checked {
     background-color: var(--bs-secondary);
     border-color: var(--bs-secondary);
@@ -20,6 +21,95 @@
     color: var(--bs-body-color);
 }
 
+/* Layout Styles */
+.sidebar-container {
+    padding: 0;
+}
+
+/* Mobile Navbar Dropdown Fix */
+@media (max-width: 768px) {
+    .navbar .dropdown.position-static {
+        position: static !important;
+    }
+
+    .navbar .dropdown-menu.mobile-dropdown {
+        position: fixed !important;
+        top: 60px !important;
+        right: 15px !important;
+        left: auto !important;
+        transform: none !important;
+        margin-top: 0 !important;
+        box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
+        z-index: 1050 !important;
+        max-width: 250px;
+    }
+}
+
+.sidebar {
+    position: sticky;
+    top: 0;
+    height: 100vh;
+    overflow-y: auto;
+}
+
+.main-content {
+    min-height: 100vh;
+}
+
+/* Responsive Sidebar */
+@media (min-width: 768px) {
+    .sidebar {
+        display: block !important;
+    }
+}
+
+/* Book Cards */
+.book-card {
+    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
+    cursor: pointer;
+    height: 100%;
+}
+
+.book-card:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+}
+
+.book-card .card-img-top {
+    height: 200px;
+    object-fit: cover;
+    background-color: #f8f9fa;
+}
+
+.book-status-badges {
+    position: absolute;
+    top: 0.5rem;
+    right: 0.5rem;
+    display: flex;
+    flex-direction: column;
+    gap: 0.25rem;
+    align-items: flex-end;
+}
+
+.book-card-footer {
+    background-color: rgba(0, 0, 0, 0.05);
+    font-size: 0.875rem;
+}
+
+/* Form Styles */
+.form-floating>.form-control:focus,
+.form-floating>.form-control:not(:placeholder-shown) {
+    padding-top: 1.625rem;
+    padding-bottom: .625rem;
+}
+
+.form-floating>.form-control:focus~label,
+.form-floating>.form-control:not(:placeholder-shown)~label {
+    opacity: .65;
+    transform: scale(.85) translateY(-.5rem) translateX(.15rem);
+}
+
+/* Mobile Table Responsiveness */
 @media screen and (max-width: 576px) {
     table.collapse-rows thead {
         visibility: hidden;
@@ -48,5 +138,89 @@
         font-weight: bold;
         text-transform: capitalize;
     }
-
+}
+
+/* Loading States */
+.loading-spinner {
+    display: inline-block;
+    width: 1rem;
+    height: 1rem;
+    vertical-align: text-bottom;
+    border: 0.125em solid currentColor;
+    border-right-color: transparent;
+    border-radius: 50%;
+    animation: spinner-border .75s linear infinite;
+}
+
+@keyframes spinner-border {
+    to {
+        transform: rotate(360deg);
+    }
+}
+
+/* User Status Mobile Component */
+.status-toggle-checkbox {
+    display: none;
+}
+
+.user-status-card {
+    background: white;
+    border: 1px solid #dee2e6;
+    border-radius: 0.375rem;
+    overflow: hidden;
+}
+
+.status-bar {
+    display: block;
+    padding: 0.75rem 1rem;
+    background: #f8f9fa;
+    border-bottom: 1px solid #dee2e6;
+    cursor: pointer;
+    margin: 0;
+    transition: background-color 0.2s;
+}
+
+.status-bar:hover {
+    background: #e9ecef;
+}
+
+.expand-arrow {
+    font-size: 0.875rem;
+    transition: transform 0.2s;
+}
+
+.expandable-content {
+    max-height: 0;
+    overflow: hidden;
+    transition: max-height 0.3s ease;
+}
+
+.status-toggle-checkbox:checked~.user-status-card .expandable-content {
+    max-height: 2000px;
+}
+
+.status-toggle-checkbox:checked~.user-status-card .expand-arrow {
+    transform: rotate(180deg);
+}
+
+/* Hide mobile status component on desktop */
+@media (min-width: 992px) {
+    .user-status-card {
+        display: none;
+    }
+}
+
+/* Utility Classes */
+.text-truncate-2 {
+    display: -webkit-box;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
+}
+
+.text-truncate-3 {
+    display: -webkit-box;
+    -webkit-line-clamp: 3;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
 }

src/hxbooks/templates.old/base.html.j2

@@ -0,0 +1,87 @@
+<!doctype html>
+<html lang="en"
+  x-init="$el.setAttribute('data-bs-theme', window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light')">
+
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <title>{% block title %}{% endblock %} - hxbooks</title>
+  <link rel="stylesheet" href="{{ url_for('static', filename='bootstrap.min.css') }}">
+  <link rel="stylesheet" href="{{ url_for('static', filename='tom-select.css') }}">
+  <link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}">
+  <link rel="icon" type="image/png" sizes="32x32" href="{{ url_for('static',
+  filename='favicon-32x32.png') }}">
+  <link rel="icon" type="image/png" sizes="16x16" href="{{ url_for('static',
+  filename='favicon-16x16.png') }}">
+  <link rel="manifest" href="{{ url_for('static', filename='site.webmanifest') }}">
+
+  <script src="{{ url_for('static', filename='htmx.min.js') }}"></script>
+  <script src="{{ url_for('static', filename='alpine.min.js') }}" defer></script>
+  <script src="{{ url_for('static', filename='tom-select.complete.min.js') }}"></script>
+
+  <script>
+    htmx.on('htmx:beforeHistorySave', function () {
+      // find all TomSelect elements
+      document.querySelectorAll('.tomselect')
+        .forEach(elt => elt.tomselect ? elt.tomselect.destroy() : null) // and call destroy() on them
+    });
+
+    document.addEventListener('htmx:beforeSwap', function (evt) {
+      // alert on errors
+      if (evt.detail.xhr.status >= 400) {
+        error_dialog = document.querySelector('#error-alert');
+        error_dialog.querySelector('.modal-title').textContent = 'Error ' + evt.detail.xhr.status;
+        error_dialog.querySelector('.modal-body').innerHTML = evt.detail.xhr.response;
+        error_dialog.showModal();
+      }
+    });
+  </script>
+
+</head>
+
+<body hx-boost="true" hx-push-url="true" hx-target="body">
+  <header class="container-sm">
+    <nav class="navbar navbar-expand-sm bg-primary">
+      <div class="container-fluid">
+        <a class="navbar-brand" href="{{ url_for('books.books') }}">
+          <img src="{{ url_for('static', filename='favicon-32x32.png') }}" alt="hxbooks" width="32" height="32"> hxBooks
+        </a>
+        <ul class="navbar-nav ms-auto">
+          {% if g.user %}
+          <li><span class="navbar-item pe-2">{{ g.user.username.title() }}</span></li>
+          <li><a class="navbar-item" href="{{ url_for('auth.logout') }}">Log Out</a></li>
+          {% else %}
+          <li><a class="navbar-item pe-2" href="{{ url_for('auth.register') }}">Register</a></li>
+          <li><a class="navbar-item" href="{{ url_for('auth.login') }}">Log In</a></li>
+          {% endif %}
+        </ul>
+    </nav>
+  </header>
+  <main class="content container-sm">
+    <header class="row">
+      {% block header %}{% endblock %}
+    </header>
+    {% for message in get_flashed_messages() %}
+    <div class="flash row">{{ message }}</div>
+    {% endfor %}
+    {% block content %}{% endblock %}
+
+    <dialog id="error-alert">
+      <div class="modal-dialog modal-dialog-centered">
+        <div class="modal-content">
+          <div class="modal-header">
+            <h5 class="modal-title"></h5>
+          </div>
+          <div class="modal-body">
+          </div>
+          <div class="modal-footer">
+            <button type="button" class="btn btn-secondary"
+              onClick="document.querySelector('#error-alert').close()">Close</button>
+          </div>
+        </div>
+      </div>
+    </dialog>
+  </main>
+</body>
+
+</html>

src/hxbooks/templates/base.html.j2

@@ -5,83 +5,91 @@
 <head>
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
-  <title>{% block title %}{% endblock %} - hxbooks</title>
+  <title>{% block title %}{% endblock %} - HXBooks</title>
   <link rel="stylesheet" href="{{ url_for('static', filename='bootstrap.min.css') }}">
-  <link rel="stylesheet" href="{{ url_for('static', filename='tom-select.css') }}">
+  {#
+  <link rel="stylesheet" href="{{ url_for('static', filename='tom-select.css') }}"> #}
   <link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}">
-  <link rel="icon" type="image/png" sizes="32x32" href="{{ url_for('static',
+  <link rel="icon" type="image/png" sizes="32x32" href="{{ url_for('static', filename='favicon-32x32.png') }}">
-  filename='favicon-32x32.png') }}">
+  <link rel="icon" type="image/png" sizes="16x16" href="{{ url_for('static', filename='favicon-16x16.png') }}">
-  <link rel="icon" type="image/png" sizes="16x16" href="{{ url_for('static',
-  filename='favicon-16x16.png') }}">
   <link rel="manifest" href="{{ url_for('static', filename='site.webmanifest') }}">
 
-  <script src="{{ url_for('static', filename='htmx.min.js') }}"></script>
+  {#
-  <script src="{{ url_for('static', filename='alpine.min.js') }}" defer></script>
+  <script src="{{ url_for('static', filename='htmx.min.js') }}"></script> #}
-  <script src="{{ url_for('static', filename='tom-select.complete.min.js') }}"></script>
+  {#
+  <script src="{{ url_for('static', filename='alpine.min.js') }}" defer></script> #}
+  {#
+  <script src="{{ url_for('static', filename='tom-select.complete.min.js') }}"></script> #}
 
   <script>
-    htmx.on('htmx:beforeHistorySave', function () {
+    // HTMX error handling
-      // find all TomSelect elements
+    document.addEventListener('htmx:responseError', function (evt) {
-      document.querySelectorAll('.tomselect')
+      const error_dialog = document.querySelector('#error-alert');
-        .forEach(elt => elt.tomselect ? elt.tomselect.destroy() : null) // and call destroy() on them
+      error_dialog.querySelector('.modal-title').textContent = 'Error ' + evt.detail.xhr.status;
-    });
+      error_dialog.querySelector('.modal-body').innerHTML = evt.detail.xhr.response;
-
+      new bootstrap.Modal(error_dialog).show();
-    document.addEventListener('htmx:beforeSwap', function (evt) {
-      // alert on errors
-      if (evt.detail.xhr.status >= 400) {
-        error_dialog = document.querySelector('#error-alert');
-        error_dialog.querySelector('.modal-title').textContent = 'Error ' + evt.detail.xhr.status;
-        error_dialog.querySelector('.modal-body').innerHTML = evt.detail.xhr.response;
-        error_dialog.showModal();
-      }
     });
   </script>
 
 </head>
 
-<body hx-boost="true" hx-push-url="true" hx-target="body">
+<body>
-  <header class="container-sm">
+  <!-- Header -->
-    <nav class="navbar navbar-expand-sm bg-primary">
+  {% include 'components/header.html.j2' %}
-      <div class="container-fluid">
-        <a class="navbar-brand" href="{{ url_for('books.books') }}">
-          <img src="{{ url_for('static', filename='favicon-32x32.png') }}" alt="hxbooks" width="32" height="32"> hxBooks
-        </a>
-        <ul class="navbar-nav ms-auto">
-          {% if g.user %}
-          <li><span class="navbar-item pe-2">{{ g.user.username.title() }}</span></li>
-          <li><a class="navbar-item" href="{{ url_for('auth.logout') }}">Log Out</a></li>
-          {% else %}
-          <li><a class="navbar-item pe-2" href="{{ url_for('auth.register') }}">Register</a></li>
-          <li><a class="navbar-item" href="{{ url_for('auth.login') }}">Log In</a></li>
-          {% endif %}
-        </ul>
-    </nav>
-  </header>
-  <main class="content container-sm">
-    <header class="row">
-      {% block header %}{% endblock %}
-    </header>
-    {% for message in get_flashed_messages() %}
-    <div class="flash row">{{ message }}</div>
-    {% endfor %}
-    {% block content %}{% endblock %}
 
-    <dialog id="error-alert">
+  <!-- Main Layout -->
-      <div class="modal-dialog modal-dialog-centered">
+  <div class="container-fluid">
-        <div class="modal-content">
+    <div class="row">
-          <div class="modal-header">
+      <!-- Sidebar -->
-            <h5 class="modal-title"></h5>
+      <nav class="col-md-3 col-lg-2 sidebar-container">
-          </div>
+        {% include 'components/sidebar.html.j2' %}
-          <div class="modal-body">
+      </nav>
-          </div>
+
-          <div class="modal-footer">
+      <!-- Main Content -->
-            <button type="button" class="btn btn-secondary"
+      <main class="col-md-9 col-lg-10 main-content">
-              onClick="document.querySelector('#error-alert').close()">Close</button>
+        <div class="container-fluid py-4">
+          <!-- Flash Messages -->
+          {% for category, message in get_flashed_messages(with_categories=true) %}
+          <div class="alert alert-{{ 'danger' if category == 'error' else category }} alert-dismissible fade show"
+            role="alert">
+            {{ message }}
+            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
           </div>
+          {% endfor %}
+
+          <!-- Page Header -->
+          {% block header %}{% endblock %}
+
+          <!-- Page Content -->
+          {% block content %}{% endblock %}
+        </div>
+      </main>
+    </div>
+  </div>
+
+  <!-- Error Dialog -->
+  <div class="modal fade" id="error-alert" tabindex="-1">
+    <div class="modal-dialog modal-dialog-centered">
+      <div class="modal-content">
+        <div class="modal-header">
+          <h5 class="modal-title">Error</h5>
+          <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+        </div>
+        <div class="modal-body">
+          <!-- Error content will be inserted here -->
+        </div>
+        <div class="modal-footer">
+          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
         </div>
       </div>
-    </dialog>
+    </div>
-  </main>
+  </div>
+
+  {% include 'components/import_modal.html.j2' %}
+  {% include 'components/save_search_modal.html.j2' %}
+
+  <!-- Bootstrap JS -->
+  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
 </body>
 
 </html>

src/hxbooks/templates/book/create.html.j2

@@ -0,0 +1,33 @@
+{% extends "base.html.j2" %}
+
+{% block title %}Create Book{% endblock %}
+
+{% block header %}
+<div class="d-flex justify-content-between align-items-center mb-4">
+  <div class="d-flex align-items-center">
+    <a href="/" class="btn btn-outline-secondary me-3">← Back</a>
+    <h1 class="h3 mb-0">Create New Book</h1>
+  </div>
+</div>
+{% endblock %}
+
+{% block content %}
+<div class="row justify-content-center">
+  <div class="col-lg-8">
+    <div class="card">
+      <div class="card-body">
+        <form action="/book/new" method="POST">
+          {% include 'components/book_form.html.j2' %}
+          
+          <div class="row mt-4">
+            <div class="col">
+              <button type="submit" class="btn btn-primary">📚 Create Book</button>
+              <a href="/" class="btn btn-secondary">Cancel</a>
+            </div>
+          </div>
+        </form>
+      </div>
+    </div>
+  </div>
+</div>
+{% endblock %}

src/hxbooks/templates/book/delete_confirm.html.j2

@@ -0,0 +1,47 @@
+{% extends "base.html.j2" %}
+
+{% block title %}Delete {{ book.title }}{% endblock %}
+
+{% block header %}
+<div class="d-flex align-items-center mb-4">
+    <a href="/book/{{ book.id }}" class="btn btn-outline-secondary me-3">← Back</a>
+    <h1 class="h3 mb-0 text-danger">🗑️ Delete Book</h1>
+</div>
+{% endblock %}
+
+{% block content %}
+<div class="row justify-content-center">
+    <div class="col-lg-6">
+        <div class="card border-danger">
+            <div class="card-header bg-danger text-white">
+                <h5 class="mb-0">⚠️ Confirm Deletion</h5>
+            </div>
+            <div class="card-body">
+                <p class="mb-3">Are you sure you want to delete this book?</p>
+
+                <div class="bg-light p-3 rounded mb-4">
+                    <h6 class="fw-bold">{{ book.title }}</h6>
+                    {% if book.authors %}
+                    <p class="text-muted small mb-1">by {{ book.authors | join(', ') }}</p>
+                    {% endif %}
+                    {% if book.isbn %}
+                    <p class="text-muted small mb-0">ISBN: {{ book.isbn }}</p>
+                    {% endif %}
+                </div>
+
+                <div class="alert alert-warning" role="alert">
+                    <strong>Warning:</strong> This action cannot be undone. All reading history and data associated with
+                    this book will also be deleted.
+                </div>
+
+                <div class="d-flex gap-2">
+                    <form action="/book/{{ book.id }}/delete" method="POST" class="d-inline">
+                        <button type="submit" class="btn btn-danger">🗑️ Delete Book</button>
+                    </form>
+                    <a href="/book/{{ book.id }}" class="btn btn-secondary">Cancel</a>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

src/hxbooks/templates/book/detail.html.j2

@@ -0,0 +1,117 @@
+{% extends "base.html.j2" %}
+
+{% block title %}{{ book.title }}{% endblock %}
+
+{% block header %}
+<div class="d-flex justify-content-between align-items-center mb-4">
+  <div class="d-flex align-items-center">
+    <a href="/" class="btn btn-outline-secondary me-3">← Back</a>
+    <h1 class="h3 mb-0">{{ book.title }}</h1>
+  </div>
+  <div>
+    <a href="/book/{{ book.id }}/delete" class="btn btn-outline-danger">
+      🗑️ Delete
+    </a>
+  </div>
+</div>
+{% endblock %}
+
+{% block content %}
+<div class="row">
+  <!-- Mobile-Only Status Bar -->
+  {% if session.get('viewing_as_user') %}
+  {% import 'components/user_book_vars.html.j2' as vars with context %}
+  <div class="col-12 d-lg-none mb-3">
+    <input type="checkbox" id="status-toggle" class="status-toggle-checkbox" hidden>
+    <div class="user-status-card">
+      <label for="status-toggle" class="status-bar">
+        <div class="d-flex justify-content-between align-items-center">
+          <div class="d-flex align-items-center gap-2">
+            <strong>{{ session.get('viewing_as_user').title() }}'s Status:</strong>
+            {% if vars.current_reading %}
+            <span class="badge bg-primary">▶️ Reading</span>
+            {% elif vars.user_readings | selectattr('dropped', 'true') | list %}
+            <span class="badge bg-secondary">⏸ Dropped</span>
+            {% elif vars.completed_readings %}
+            <span class="badge bg-success">✓ Completed</span>
+            {% else %}
+            <span class="badge bg-light text-dark">Not Started</span>
+            {% endif %}
+            {% if vars.latest_rated_reading and vars.latest_rated_reading.rating %}
+            <span class="badge bg-warning">{{ vars.latest_rated_reading.rating }} ⭐</span>
+            {% endif %}
+            {% if vars.user_wishlist %}
+            <span class="badge bg-info">💖</span>
+            {% endif %}
+          </div>
+          <div class="expand-arrow">▼</div>
+        </div>
+      </label>
+
+      <div class="expandable-content">
+        <div class="card-body pt-2">
+          {% include 'components/reading_status.html.j2' %}
+          {% include 'components/wishlist_status.html.j2' %}
+        </div>
+      </div>
+    </div>
+  </div>
+  {% endif %}
+  <!-- Book Details Form -->
+  <div class="col-lg-8">
+    <form id="book-form" action="/book/{{ book.id }}/edit" method="POST">
+      {% include 'components/book_form.html.j2' %}
+
+      <div class="row mt-4">
+        <div class="col">
+          <button type="submit" class="btn btn-primary">💾 Save Changes</button>
+          <button type="button" class="btn btn-secondary" onclick="location.reload()">↶ Discard Changes</button>
+        </div>
+      </div>
+    </form>
+  </div>
+
+  <!-- User-Specific Data Sidebar -->
+  <div class="col-lg-4">
+    {% if session.get('viewing_as_user') %}
+    <div class="card">
+      <div class="card-header">
+        <h6 class="mb-0">{{ session.get('viewing_as_user').title() }}'s Data</h6>
+      </div>
+      <div class="card-body">
+        {% include 'components/reading_status.html.j2' %}
+        {% include 'components/wishlist_status.html.j2' %}
+      </div>
+    </div>
+    {% else %}
+    <div class="card bg-light">
+      <div class="card-body text-center">
+        <p class="mb-0 text-muted">Select a user to see reading status and wishlist data.</p>
+      </div>
+    </div>
+    {% endif %}
+  </div>
+</div>
+
+<script>
+  // Simple form change detection
+  let originalFormData = new FormData(document.getElementById('book-form'));
+  let hasChanges = false;
+
+  document.getElementById('book-form').addEventListener('input', function () {
+    hasChanges = true;
+  });
+
+  document.getElementById('book-form').addEventListener('submit', function () {
+    hasChanges = false;
+  });
+
+  window.addEventListener('beforeunload', function (e) {
+    if (hasChanges) {
+      e.preventDefault();
+      e.returnValue = '';
+    }
+  });
+
+</script>
+{% endblock %}

src/hxbooks/templates/book/list.html.j2

@@ -0,0 +1,62 @@
+{% extends "base.html.j2" %}
+
+{% block title %}Books{% endblock %}
+
+{% block header %}
+<div class="d-flex justify-content-between align-items-center mb-4">
+    {# <h1 class="h3 mb-0">Library</h1> #}
+
+    <!-- Search Bar -->
+    <div class="search-container mx-3 flex-grow-1">
+        <form method="GET" action="/">
+            <div class="input-group">
+                <input type="text" class="form-control" name="q" value="{{ query }}"
+                    placeholder="Search books, authors, genres...">
+                <button class="btn btn-outline-secondary" type="submit">
+                    🔍 Search
+                </button>
+            </div>
+        </form>
+    </div>
+
+    <!-- Save Search Button -->
+    {% if query %}
+    <button type="button" class="btn btn-outline-primary btn-sm" data-bs-toggle="modal"
+        data-bs-target="#save-search-modal">
+        💾 Save Search
+    </button>
+    {% endif %}
+</div>
+{% endblock %}
+
+{% block content %}
+
+<!-- Book Grid -->
+{% if books %}
+<div class="row row-cols-2 row-cols-sm-2 row-cols-md-3 row-cols-lg-5 g-2">
+    {% for book in books %}
+    <div class="col">
+        {% include 'components/book_card.html.j2' %}
+    </div>
+    {% endfor %}
+</div>
+{% else %}
+<div class="text-center py-5">
+    <div class="mb-3">
+        <span style="font-size: 4rem;">📚</span>
+    </div>
+    <h4 class="text-muted">No books found</h4>
+    <p class="text-muted">
+        {% if query %}
+        Try adjusting your search terms or
+        {% else %}
+        Start building your library by
+        {% endif %}
+        <a href="/book/new">adding a book</a> or
+        <button type="button" class="btn btn-link p-0" data-bs-toggle="modal" data-bs-target="#import-modal">
+            importing from ISBN
+        </button>.
+    </p>
+</div>
+{% endif %}
+{% endblock %}

src/hxbooks/templates/components/book_card.html.j2

@@ -0,0 +1,76 @@
+<div class="card book-card h-100" onclick="window.location.href='/book/{{ book.id }}'">
+  <div class="position-relative">
+    <!-- TODO: Book cover image -->
+    <div class="card-img-top bg-light d-flex align-items-center justify-content-center text-muted">
+      📖
+    </div>
+
+    <!-- Status Badges -->
+    <div class="book-status-badges">
+      {% if g.viewing_user %}
+      {% import 'components/user_book_vars.html.j2' as vars with context %}
+
+      <!-- Reading Status Badge -->
+      {% if vars.current_reading %}
+      <span class="badge bg-primary badge-sm">▶️ Reading</span>
+      {% elif vars.user_readings | selectattr('dropped', 'true') | list %}
+      <span class="badge bg-secondary badge-sm">⏸ Dropped</span>
+      {% elif vars.completed_readings %}
+      <span class="badge bg-success badge-sm">✓ Completed</span>
+      {% endif %}
+
+      <!-- Rating Badge -->
+      {% if vars.latest_rated_reading and vars.latest_rated_reading.rating %}
+      <span class="badge bg-warning badge-sm">{{ vars.latest_rated_reading.rating }} ⭐</span>
+      {% endif %}
+
+      <!-- Wishlist Badge -->
+      {% if vars.user_wishlist %}
+      <span class="badge bg-info badge-sm">💖 Wishlist</span>
+      {% endif %}
+      {% endif %}
+    </div>
+  </div>
+
+  <div class="card-body d-flex flex-column">
+    <h6 class="card-title text-truncate-2 mb-2">{{ book.title }}</h6>
+
+    {% if book.authors %}
+    <p class="card-text text-muted small text-truncate mb-2">
+      by {{ book.authors | join(', ') }}
+    </p>
+    {% endif %}
+
+    {# {% if book.description %}
+    <p class="card-text small text-truncate-3 flex-grow-1 mb-2">
+      {{ book.description }}
+    </p>
+    {% endif %} #}
+
+    <div class="mt-auto">
+      {% if book.first_published %}
+      <small class="text-muted">{{ book.first_published }}</small>
+      {% endif %}
+
+      {% if book.genres %}
+      <div class="mt-1">
+        {% for genre in book.genres[:2] %}
+        <span class="badge bg-light text-dark small me-1">{{ genre }}</span>
+        {% endfor %}
+        {% if book.genres|length > 2 %}
+        <span class="badge bg-light text-dark small">+{{ book.genres|length - 2 }}</span>
+        {% endif %}
+      </div>
+      {% endif %}
+    </div>
+  </div>
+
+  <div class="card-footer book-card-footer">
+    {% if book.owner %}
+    <small class="text-muted">📍 {{ book.owner.username.title() }}</small>
+    {% endif %}
+    {% if book.location_place %}
+    <small class="text-muted"> • {{ book.location_place }}</small>
+    {% endif %}
+  </div>
+</div>

src/hxbooks/templates/components/book_form.html.j2

@@ -0,0 +1,99 @@
+<!-- Basic Information -->
+<div class="row mb-3">
+  <div class="col-md-6">
+    <label for="title" class="form-label">Title *</label>
+    <input type="text" class="form-control" id="title" name="title" value="{{ book.title if book else '' }}" required>
+  </div>
+  <div class="col-md-3">
+    <label for="owner" class="form-label">Owner</label>
+    <input type="text" class="form-control" id="owner" name="owner"
+      value="{% if book and book.owner %}{{ book.owner.username }}{% elif g.viewing_user %}{{ g.viewing_user.username }}{% endif %}"
+      placeholder="Username">
+    <div class="form-text">Leave empty for no owner</div>
+  </div>
+  <div class="col-md-3">
+    <label for="isbn" class="form-label">ISBN</label>
+    <input type="text" class="form-control" id="isbn" name="isbn" value="{{ book.isbn if book else '' }}">
+  </div>
+</div>
+
+<!-- Authors and Genres -->
+<div class="row mb-3">
+  <div class="col-md-6">
+    <label for="authors" class="form-label">Authors</label>
+    <textarea class="form-control" id="authors" name="authors" rows="2"
+      placeholder="One author per line">{% if book and book.authors %}{{ book.authors | join('\n') }}{% endif %}</textarea>
+    <div class="form-text">Enter one author per line</div>
+  </div>
+  <div class="col-md-6">
+    <label for="genres" class="form-label">Genres</label>
+    <textarea class="form-control" id="genres" name="genres" rows="2"
+      placeholder="One genre per line">{% if book and book.genres %}{{ book.genres | join('\n') }}{% endif %}</textarea>
+    <div class="form-text">Enter one genre per line</div>
+  </div>
+</div>
+
+<!-- Publication Info -->
+<div class="row mb-3">
+  <div class="col-md-4">
+    <label for="first_published" class="form-label">Year Published</label>
+    <input type="number" class="form-control" id="first_published" name="first_published"
+      value="{{ book.first_published if book and book.first_published else '' }}" min="1000" max="2030">
+  </div>
+  <div class="col-md-4">
+    <label for="publisher" class="form-label">Publisher</label>
+    <input type="text" class="form-control" id="publisher" name="publisher"
+      value="{{ book.publisher if book else '' }}">
+  </div>
+  <div class="col-md-4">
+    <label for="edition" class="form-label">Edition</label>
+    <input type="text" class="form-control" id="edition" name="edition" value="{{ book.edition if book else '' }}">
+  </div>
+</div>
+
+<!-- Description -->
+<div class="mb-3">
+  <label for="description" class="form-label">Description</label>
+  <textarea class="form-control" id="description" name="description"
+    rows="3">{{ book.description if book else '' }}</textarea>
+</div>
+
+<!-- Location Information -->
+<div class="row mb-3">
+  <div class="col-md-4">
+    <label for="location_place" class="form-label">Location (Place)</label>
+    <input type="text" class="form-control" id="location_place" name="location_place"
+      value="{{ book.location_place if book else '' }}" placeholder="Home, Office, etc.">
+  </div>
+  <div class="col-md-4">
+    <label for="location_bookshelf" class="form-label">Bookshelf</label>
+    <input type="text" class="form-control" id="location_bookshelf" name="location_bookshelf"
+      value="{{ book.location_bookshelf if book else '' }}" placeholder="Living room, Bedroom, etc.">
+  </div>
+  <div class="col-md-4">
+    <label for="location_shelf" class="form-label">Shelf Number</label>
+    <input type="number" class="form-control" id="location_shelf" name="location_shelf"
+      value="{{ book.location_shelf if book and book.location_shelf else '' }}" min="1">
+  </div>
+</div>
+
+<!-- Loan Information -->
+<div class="row mb-3">
+  <div class="col-md-6">
+    <label for="loaned_to" class="form-label">Loaned To</label>
+    <input type="text" class="form-control" id="loaned_to" name="loaned_to"
+      value="{{ book.loaned_to if book else '' }}" placeholder="Person's name">
+  </div>
+  <div class="col-md-6">
+    <label for="loaned_date" class="form-label">Loan Date</label>
+    <input type="date" class="form-control" id="loaned_date" name="loaned_date"
+      value="{{ book.loaned_date.strftime('%Y-%m-%d') if book and book.loaned_date else '' }}">
+  </div>
+</div>
+
+<!-- Notes -->
+<div class="mb-3">
+  <label for="notes" class="form-label">Personal Notes</label>
+  <textarea class="form-control" id="notes" name="notes" rows="3"
+    placeholder="Your personal notes about this book...">{{ book.notes if book else '' }}</textarea>
+</div>

src/hxbooks/templates/components/delete_search_confirm.html.j2

@@ -0,0 +1,37 @@
+{% extends "base.html.j2" %}
+
+{% block title %}Delete Saved Search{% endblock %}
+
+{% block header %}
+<div class="d-flex align-items-center mb-4">
+    <a href="/" class="btn btn-outline-secondary me-3">← Back</a>
+    <h1 class="h3 mb-0 text-danger">🗑️ Delete Saved Search</h1>
+</div>
+{% endblock %}
+
+{% block content %}
+<div class="row justify-content-center">
+    <div class="col-lg-6">
+        <div class="card border-warning">
+            <div class="card-header bg-warning text-dark">
+                <h5 class="mb-0">⚠️ Confirm Deletion</h5>
+            </div>
+            <div class="card-body">
+                <p class="mb-3">Are you sure you want to delete this saved search?</p>
+
+                <div class="bg-light p-3 rounded mb-4">
+                    <h6 class="fw-bold">🔍 {{ search_name }}</h6>
+                    <p class="text-muted small mb-0">Search: {{ search_params }}</p>
+                </div>
+
+                <div class="d-flex gap-2">
+                    <form action="/saved-search/{{ search_name }}/delete" method="POST" class="d-inline">
+                        <button type="submit" class="btn btn-warning">🗑️ Delete Search</button>
+                    </form>
+                    <a href="/" class="btn btn-secondary">Cancel</a>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

src/hxbooks/templates/components/header.html.j2

@@ -0,0 +1,53 @@
+<header class="navbar navbar-expand-lg navbar-dark bg-primary sticky-top">
+  <div class="container-fluid">
+    <!-- Mobile sidebar toggle -->
+    <button class="navbar-toggler d-md-none" type="button" data-bs-toggle="offcanvas" data-bs-target="#sidebar">
+      <span class="navbar-toggler-icon"></span>
+    </button>
+
+    <!-- Brand -->
+    <a class="navbar-brand d-flex align-items-center" href="/">
+      <img src="{{ url_for('static', filename='favicon-32x32.png') }}" alt="HXBooks" width="32" height="32"
+        class="me-2">
+      HXBooks
+    </a>
+
+    <!-- User Selector -->
+    <div class="navbar-nav ms-auto">
+      <div class="nav-item dropdown position-static">
+        <button class="btn btn-outline-light dropdown-toggle" type="button" data-bs-toggle="dropdown"
+          data-bs-boundary="viewport" data-bs-reference="parent">
+          {% if session.get('viewing_as_user') %}
+          👤 {{ session.get('viewing_as_user') }}
+          {% else %}
+          🌐 All Users
+          {% endif %}
+        </button>
+        <ul class="dropdown-menu dropdown-menu-end mobile-dropdown">
+          <li>
+            <h6 class="dropdown-header">View as User</h6>
+          </li>
+          <li>
+            <a class="dropdown-item {% if not session.get('viewing_as_user') %}active{% endif %}"
+              href="{{ url_for('main.set_viewing_user', username='') }}">
+              🌐 All Users
+            </a>
+          </li>
+          {% if users %}
+          <li>
+            <hr class="dropdown-divider">
+          </li>
+          {% for user in users %}
+          <li>
+            <a class="dropdown-item {% if session.get('viewing_as_user') == user.username %}active{% endif %}"
+              href="{{ url_for('main.set_viewing_user', username=user.username) }}">
+              👤 {{ user.username.title() }}
+            </a>
+          </li>
+          {% endfor %}
+          {% endif %}
+        </ul>
+      </div>
+    </div>
+  </div>
+</header>

src/hxbooks/templates/components/import_modal.html.j2

@@ -0,0 +1,42 @@
+<!-- Import Modal -->
+<div class="modal fade" id="import-modal" tabindex="-1">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title">Import Book from ISBN</h5>
+        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+      </div>
+      <form action="/import" method="POST">
+        <div class="modal-body">
+          <div class="mb-3">
+            <label for="isbn" class="form-label">ISBN</label>
+            <input type="text" class="form-control" id="isbn" name="isbn" 
+                   placeholder="Enter ISBN-10 or ISBN-13" 
+                   pattern="[0-9X\-]{10,17}"
+                   title="Enter a valid ISBN (10 or 13 digits, may contain hyphens)"
+                   required>
+            <div class="form-text">
+              Enter the ISBN (International Standard Book Number) to automatically fetch book details from Google Books.
+            </div>
+          </div>
+          {% if session.get('viewing_as_user') %}
+          <div class="mb-3">
+            <div class="form-check">
+              <input class="form-check-input" type="checkbox" id="set-owner" name="set_owner" checked>
+              <label class="form-check-label" for="set-owner">
+                Set {{ session.get('viewing_as_user').title() }} as owner
+              </label>
+            </div>
+          </div>
+          {% endif %}
+        </div>
+        <div class="modal-footer">
+          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
+          <button type="submit" class="btn btn-primary">
+            <i class="bi bi-cloud-download me-1"></i> Import Book
+          </button>
+        </div>
+      </form>
+    </div>
+  </div>
+</div>

src/hxbooks/templates/components/reading_status.html.j2

@@ -0,0 +1,123 @@
+<!-- Reading Status Component -->
+{% if g.viewing_user %}
+{% import 'components/user_book_vars.html.j2' as vars with context %}
+
+<div class="mb-3">
+  <h6 class="text-muted mb-2">📖 Reading Status</h6>
+
+  <!-- Action Buttons -->
+  <div class="mb-3">
+    {% if vars.current_reading %}
+    <form action="/book/{{ book.id }}/reading/finish" method="POST" class="d-inline">
+      <button type="submit" class="btn btn-success btn-sm me-2">✓ Finish Reading</button>
+    </form>
+    <form action="/book/{{ book.id }}/reading/drop" method="POST" class="d-inline">
+      <button type="submit" class="btn btn-outline-secondary btn-sm">⏸ Drop Reading</button>
+    </form>
+    {% else %}
+    <form action="/book/{{ book.id }}/reading/start" method="POST" class="d-inline">
+      <button type="submit" class="btn btn-primary btn-sm">▶️ Start Reading</button>
+    </form>
+    {% endif %}
+  </div>
+
+  <!-- Editable Reading Data -->
+  {% if vars.user_readings %}
+
+  <!-- Current Book Rating (if any completed readings) -->
+  {% if vars.completed_readings %}
+  <div class="alert alert-light border py-2 mb-3">
+    <form action="/book/{{ book.id }}/reading/{{ vars.completed_readings[0].id }}/update" method="POST"
+      class="row align-items-center g-2">
+      <!-- Hidden fields to preserve other reading data -->
+      <input type="hidden" name="start_date" value="{{ vars.completed_readings[0].start_date.strftime('%Y-%m-%d') }}">
+      <input type="hidden" name="end_date"
+        value="{{ vars.completed_readings[0].end_date.strftime('%Y-%m-%d') if vars.completed_readings[0].end_date else '' }}">
+      <input type="hidden" name="dropped" value="1" {{ 'checked' if vars.completed_readings[0].dropped else '' }}>
+      <input type="hidden" name="comments" value="{{ vars.completed_readings[0].comments or '' }}">
+
+      <div class="col-auto">
+        <label class="form-label mb-0"><strong>Book Rating:</strong></label>
+      </div>
+      <div class="col-auto">
+        <select class="form-select form-select-sm" name="rating" style="width: auto;">
+          <option value="">No rating</option>
+          {% for i in range(1, 6) %}
+          <option value="{{ i }}" {{ 'selected' if vars.latest_rated_reading and vars.latest_rated_reading.rating==i
+            else '' }}>
+            {{ i }} ⭐</option>
+          {% endfor %}
+        </select>
+      </div>
+      <div class="col-auto">
+        <button type="submit" class="btn btn-primary btn-sm">💾</button>
+      </div>
+    </form>
+  </div>
+  {% endif %}
+
+  <!-- All Reading Sessions -->
+  {% for reading in vars.user_readings | sort(attribute='start_date', reverse=true) %}
+  <div class="border rounded p-3 mb-2 {% if reading == vars.current_reading %}border-primary bg-light{% endif %}">
+    <form action="/book/{{ book.id }}/reading/{{ reading.id }}/update" method="POST">
+      <div class="row">
+        <div class="col-md-6">
+          <label class="form-label-sm">Start Date</label>
+          <input type="date" class="form-control form-control-sm" name="start_date"
+            value="{{ reading.start_date.strftime('%Y-%m-%d') }}">
+        </div>
+        <div class="col-md-6">
+          <label class="form-label-sm">End Date</label>
+          <input type="date" class="form-control form-control-sm" name="end_date"
+            value="{{ reading.end_date.strftime('%Y-%m-%d') if reading.end_date else '' }}">
+        </div>
+      </div>
+
+      <div class="row mt-2">
+        <div class="col-md-6">
+          <div class="form-check">
+            <input class="form-check-input" type="checkbox" name="dropped" value="1" {{ 'checked' if reading.dropped
+              else '' }}>
+            <label class="form-check-label">Dropped</label>
+          </div>
+        </div>
+        <input type="hidden" name="rating" value="{{ reading.rating or '' }}">
+      </div>
+
+      <div class="mt-2">
+        <label class="form-label-sm">Comments</label>
+        <textarea class="form-control form-control-sm" rows="2" name="comments"
+          placeholder="Reading notes and comments...">{{ reading.comments or '' }}</textarea>
+      </div>
+
+      <!-- Reading Status Display and Actions -->
+      <div class="mt-2 d-flex justify-content-between align-items-center">
+        <small class="text-muted">
+          {% if reading == vars.current_reading %}
+          <span class="badge bg-primary">Currently Reading</span>
+          {% elif reading.dropped %}
+          <span class="badge bg-secondary">Dropped</span>
+          {% elif reading.end_date %}
+          <span class="badge bg-success">Completed</span>
+          {% endif %}
+        </small>
+        <div>
+          <button type="submit" class="btn btn-outline-primary btn-sm me-1" title="Save changes">
+            💾
+          </button>
+          <button type="button" class="btn btn-outline-danger btn-sm"
+            onclick="document.getElementById('delete-form-{{ reading.id }}').submit()" title="Delete reading session">
+            🗑️
+          </button>
+        </div>
+      </div>
+    </form>
+
+    <!-- Separate delete form -->
+    <form id="delete-form-{{ reading.id }}" action="/book/{{ book.id }}/reading/{{ reading.id }}/delete" method="POST"
+      style="display: none;"></form>
+  </div>
+  {% endfor %}
+  {% endif %}
+</div>
+{% endif %}

src/hxbooks/templates/components/save_search_modal.html.j2

@@ -0,0 +1,24 @@
+<!-- Save Search Modal -->
+<div class="modal fade" id="save-search-modal" tabindex="-1">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title">Save Current Search</h5>
+        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+      </div>
+      <form action="/saved-search" method="POST">
+        <div class="modal-body">
+          <div class="mb-3">
+            <label for="search-name" class="form-label">Search Name</label>
+            <input type="text" class="form-control" id="search-name" name="name" required>
+          </div>
+          <input type="hidden" name="query_params" value="{{ request.args.q }}">
+        </div>
+        <div class="modal-footer">
+          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
+          <button type="submit" class="btn btn-primary">Save Search</button>
+        </div>
+      </form>
+    </div>
+  </div>
+</div>

src/hxbooks/templates/components/sidebar.html.j2

@@ -0,0 +1,15 @@
+<!-- Desktop Sidebar -->
+<div class="sidebar d-none d-md-block bg-light border-end">
+  {% include 'components/sidebar_content.html.j2' %}
+</div>
+
+<!-- Mobile Offcanvas Sidebar -->
+<div class="offcanvas offcanvas-start d-md-none" tabindex="-1" id="sidebar">
+  <div class="offcanvas-header">
+    <h5 class="offcanvas-title">Library</h5>
+    <button type="button" class="btn-close" data-bs-dismiss="offcanvas"></button>
+  </div>
+  <div class="offcanvas-body">
+    {% include 'components/sidebar_content.html.j2' %}
+  </div>
+</div>

src/hxbooks/templates/components/sidebar_content.html.j2

@@ -0,0 +1,69 @@
+<div class="sidebar-content h-100 d-flex flex-column">
+  <!-- Actions Section -->
+  <div class="p-3 border-bottom">
+    <div class="d-grid gap-2">
+      <a href="/book/new" class="btn btn-primary btn-sm">
+        <i class="bi bi-plus-circle me-1"></i> Create Book
+      </a>
+      <button type="button" class="btn btn-outline-primary btn-sm" data-bs-toggle="modal"
+        data-bs-target="#import-modal">
+        <i class="bi bi-cloud-download me-1"></i> Import Book
+      </button>
+    </div>
+  </div>
+
+  <!-- Default Searches -->
+  <div class="flex-grow-1">
+    <div class="p-3">
+      <h6 class="text-muted mb-3">Quick Searches</h6>
+      <div class="list-group list-group-flush">
+        <a href="/"
+          class="list-group-item list-group-item-action {% if request.endpoint == 'main.index' and not request.args %}active{% endif %}">
+          <i class="bi bi-collection me-2"></i> All Books
+        </a>
+        {% if session.get('viewing_as_user') %}
+        <a href="/?q=owner:{{ session.get('viewing_as_user') }}"
+          class="list-group-item list-group-item-action{% if request.args.get('q') == 'owner:' ~ session.get('viewing_as_user') %} active{% endif %}">
+          <i class="bi bi-house me-2"></i> My Books
+        </a>
+        <a href="/?q=is:wished"
+          class="list-group-item list-group-item-action{% if request.args.get('q') == 'is:wished' %} active{% endif %}">
+          <i class="bi bi-heart me-2"></i> Wishlist
+        </a>
+        <a href="/?q=is:reading"
+          class="list-group-item list-group-item-action{% if request.args.get('q') == 'is:reading' %} active{% endif %}">
+          <i class="bi bi-book me-2"></i> Currently Reading
+        </a>
+        <a href="/?q=is:read"
+          class="list-group-item list-group-item-action{% if request.args.get('q') == 'is:read' %} active{% endif %}">
+          <i class="bi bi-check-circle me-2"></i> Finished
+        </a>
+        {% endif %}
+      </div>
+    </div>
+
+    <!-- Saved Searches -->
+    {% if session.get('viewing_as_user') and saved_searches %}
+    <div class="p-3 border-top">
+      <div class="d-flex justify-content-between align-items-center mb-3">
+        <h6 class="text-muted mb-0">Saved Searches</h6>
+        <button class="btn btn-sm btn-outline-secondary" data-bs-toggle="modal" data-bs-target="#save-search-modal">
+          ➕
+        </button>
+      </div>
+      <div class="list-group list-group-flush">
+        {% for search_name, search_params in saved_searches.items() %}
+        <div class="list-group-item d-flex justify-content-between align-items-center">
+          <a href="/?q={{ search_params | urlencode }}" class="flex-grow-1 text-decoration-none">
+            🔍 {{ search_name }}
+          </a>
+          <a href="/saved-search/{{ search_name }}/delete" class="btn btn-sm btn-outline-danger">
+            🗑️
+          </a>
+        </div>
+        {% endfor %}
+      </div>
+    </div>
+    {% endif %}
+  </div>
+</div>

src/hxbooks/templates/components/user_book_vars.html.j2

@@ -0,0 +1,6 @@
+<!-- User Book Variables Component - Include to get user-specific book data -->
+{% set user_readings = book.readings | selectattr('user_id', 'equalto', g.viewing_user.id) | list %}
+{% set current_reading = user_readings | selectattr('end_date', 'none') | selectattr('dropped', 'false') | first %}
+{% set completed_readings = user_readings | selectattr('end_date') | sort(attribute='end_date', reverse=true) %}
+{% set latest_rated_reading = completed_readings | selectattr('rating') | first %}
+{% set user_wishlist = book.wished_by | selectattr('user_id', 'equalto', g.viewing_user.id) | first %}

src/hxbooks/templates/components/wishlist_status.html.j2

@@ -0,0 +1,22 @@
+<!-- Wishlist Status Component -->
+{% if g.viewing_user %}
+{% import 'components/user_book_vars.html.j2' as vars with context %}
+
+<div class="mb-3">
+  <h6 class="text-muted mb-2">💝 Wishlist</h6>
+
+  {% if vars.user_wishlist %}
+  <div class="alert alert-warning py-2">
+    <small>Added to wishlist: {{ vars.user_wishlist.wishlisted_date.strftime('%B %d, %Y') }}</small>
+  </div>
+  <form action="/book/{{ book.id }}/wishlist/remove" method="POST" class="d-inline">
+    <button type="submit" class="btn btn-outline-danger btn-sm">💔 Remove from Wishlist</button>
+  </form>
+  {% else %}
+  <p class="text-muted small mb-2">Not in wishlist</p>
+  <form action="/book/{{ book.id }}/wishlist/add" method="POST" class="d-inline">
+    <button type="submit" class="btn btn-outline-primary btn-sm">💖 Add to Wishlist</button>
+  </form>
+  {% endif %}
+</div>
+{% endif %}

tests/test_cli.py

@@ -329,33 +329,59 @@ class TestBookSearchCommand:
         [
             # String field filters
             ("title:Hobbit", "", ["The Hobbit"]),
-            ("author:Tolkien", "", ["The Hobbit", "The Fellowship"]),
+            ("author:Tolkien", "", ["The Fellowship", "The Hobbit"]),
-            ("genre:Fantasy", "", ["The Hobbit", "The Fellowship"]),
+            ("genre:Fantasy", "", ["The Fellowship", "The Hobbit"]),
-            ("owner:alice", "", ["The Hobbit", "The Fellowship", "Dune"]),
+            ("owner:alice", "", ["Dune", "The Fellowship", "The Hobbit"]),
-            ("place:home", "", ["The Hobbit", "Programming Book"]),
+            ("place:home", "", ["Programming Book", "The Hobbit"]),
-            ("bookshelf:fantasy", "", ["The Hobbit", "The Fellowship"]),
+            ("bookshelf:fantasy", "", ["The Fellowship", "The Hobbit"]),
             # Numeric field filters
-            ("rating>=4", "", ["The Hobbit", "Programming Book"]),
+            ("rating>=4", "", ["Programming Book", "The Hobbit"]),
             ("rating=3", "", ["Dune"]),
-            ("shelf>1", "", ["The Fellowship", "Programming Book"]),
+            ("shelf>1", "", ["Programming Book", "The Fellowship"]),
-            ("year>=1954", "", ["The Fellowship", "Dune", "Programming Book"]),
+            ("year>=1954", "", ["Programming Book", "Dune", "The Fellowship"]),
             # Date field filters
             (
                 "added>=2026-03-15",
                 "",
-                ["The Hobbit", "The Fellowship", "Dune", "Programming Book"],
+                ["Programming Book", "Dune", "The Fellowship", "The Hobbit"],
             ),
             ("bought<2026-01-01", "", ["Programming Book"]),
             # Negation
-            ("-genre:Fantasy", "", ["Dune", "Programming Book"]),
+            ("-genre:Fantasy", "", ["Programming Book", "Dune"]),
-            ("-owner:bob", "", ["The Hobbit", "The Fellowship", "Dune"]),
+            ("-owner:bob", "", ["Dune", "The Fellowship", "The Hobbit"]),
             # Complex query with multiple filters
             ("-genre:Fantasy owner:alice", "", ["Dune"]),
             # User-specific queries
             ("rating>=4", "alice", ["The Hobbit"]),
             ("is:reading", "alice", ["The Fellowship"]),
-            ("is:read", "alice", ["The Hobbit", "Dune"]),
+            ("is:read", "alice", ["Dune", "The Hobbit"]),
             ("is:wished", "alice", ["Programming Book"]),
+            # Sorting
+            (
+                "sort:added-desc",
+                "",
+                ["Programming Book", "Dune", "The Fellowship", "The Hobbit"],
+            ),
+            (
+                "sort:added-asc",
+                "",
+                ["The Hobbit", "The Fellowship", "Dune", "Programming Book"],
+            ),
+            (
+                "sort:read-desc",
+                "alice",
+                ["Dune", "The Hobbit", "Programming Book", "The Fellowship"],
+            ),
+            (
+                "sort:owner-asc",
+                "",
+                ["Dune", "The Fellowship", "The Hobbit", "Programming Book"],
+            ),
+            (
+                "sort:rating-desc",
+                "alice",
+                ["The Hobbit", "Dune", "Programming Book", "The Fellowship"],
+            ),
         ],
     )
     def test_book_search_advanced_queries(
@@ -383,7 +409,7 @@ class TestBookSearchCommand:
         actual_titles = [book["title"] for book in search_results]
 
         # Verify expected titles are present (order doesn't matter)
-        assert set(expected_titles) == set(actual_titles), (
+        assert expected_titles == actual_titles, (
             f"Query '{query}' expected {expected_titles}, got {actual_titles}"
         )
 

tests/test_search.py

@@ -15,6 +15,7 @@ from hxbooks.search import (
     IsOperatorValue,
     QueryParser,
     SearchQuery,
+    SortDirection,
     _convert_value,  # noqa: PLC2701
 )
 
@@ -267,6 +268,21 @@ class TestTypeConversion:
         result = _convert_value(Field.IS, "invalid-status")
         assert result == IsOperatorValue.UNKNOWN
 
+    def test_convert_sort_field(self, parser: QueryParser) -> None:
+        """Test converting values for 'sort' field."""
+        result = _convert_value(Field.SORT, "added")
+        assert result == (Field.ADDED_DATE, SortDirection.ASC)
+
+        result = _convert_value(Field.SORT, "added-desc")
+        assert result == (Field.ADDED_DATE, SortDirection.DESC)
+
+        # Invalid field or direction should fallback to a default value
+        result = _convert_value(Field.SORT, "added-invalid")
+        assert result == (Field.SORT, SortDirection.ASC)
+
+        result = _convert_value(Field.SORT, "invalid-asc")
+        assert result == (Field.SORT, SortDirection.ASC)
+
 
 class TestParsingEdgeCases:
     """Test edge cases and error handling in query parsing."""

uv.lock

@@ -221,6 +221,7 @@ dependencies = [
     { name = "gunicorn" },
     { name = "jinja2-fragments" },
     { name = "pydantic" },
+    { name = "pydantic-extra-types" },
     { name = "pyparsing" },
     { name = "requests" },
     { name = "sqlalchemy" },
@@ -228,6 +229,7 @@ dependencies = [
 
 [package.dev-dependencies]
 dev = [
+    { name = "livereload" },
     { name = "pre-commit" },
     { name = "pytest" },
     { name = "ruff" },
@@ -245,6 +247,7 @@ requires-dist = [
     { name = "gunicorn", specifier = ">=25.1.0" },
     { name = "jinja2-fragments", specifier = ">=1.11.0" },
     { name = "pydantic", specifier = ">=2.12.5" },
+    { name = "pydantic-extra-types", specifier = ">=2.11.1" },
     { name = "pyparsing", specifier = ">=3.3.2" },
     { name = "requests", specifier = ">=2.32.5" },
     { name = "sqlalchemy", specifier = ">=2.0.48" },
@@ -252,6 +255,7 @@ requires-dist = [
 
 [package.metadata.requires-dev]
 dev = [
+    { name = "livereload", specifier = ">=2.7.1" },
     { name = "pre-commit", specifier = ">=4.5.1" },
     { name = "pytest", specifier = ">=9.0.2" },
     { name = "ruff", specifier = ">=0.15.6" },
@@ -318,6 +322,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/7b/4d/b65f80e4aca3a630105f48192dac6ed16699e6d53197899840da2d67c3a5/jinja2_fragments-1.11.0-py3-none-any.whl", hash = "sha256:3b37105d565b96129e2e34df040d1b7bb71c8a76014f7b5e1aa914ccf3f9256c", size = 15999, upload-time = "2025-11-20T21:39:47.516Z" },
 ]
 
+[[package]]
+name = "livereload"
+version = "2.7.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "tornado" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/43/6e/f2748665839812a9bbe5c75d3f983edbf3ab05fa5cd2f7c2f36fffdf65bd/livereload-2.7.1.tar.gz", hash = "sha256:3d9bf7c05673df06e32bea23b494b8d36ca6d10f7d5c3c8a6989608c09c986a9", size = 22255, upload-time = "2024-12-18T13:42:01.461Z" }
+wheels = [
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