Add booking system with calendar and email notifications (v0.3.0)

- Booking Custom Post Type with full management features
- Room and guest relationship tracking
- Check-in/check-out date management with validation
- Booking status workflow (pending, confirmed, checked_in, checked_out, cancelled)
- Automatic price calculation using existing Calculator
- Availability system with real-time conflict detection
- AJAX endpoint for instant availability validation
- Calendar admin page with monthly view and room/building filters
- Color-coded booking status display with legend
- Email notifications for new bookings, confirmations, and cancellations
- HTML email templates with placeholder-based system
- Auto-generated booking references (BNB-YYYY-NNNNN)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -5,6 +5,162 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.3.0] - 2026-01-31
+
+### Added
+
+- Booking System with full management features:
+  - Custom Post Type: Bookings (`bnb_booking`)
+  - Room and guest relationship tracking
+  - Check-in/check-out date management
+  - Booking status workflow (pending, confirmed, checked_in, checked_out, cancelled)
+  - Status transitions with validation
+  - Automatic price calculation using existing Calculator
+  - Price override option for manual adjustments
+  - Guest information storage (name, email, phone, notes)
+  - Guest count tracking (adults, children)
+  - Internal notes field for staff
+  - Auto-generated booking references (BNB-YYYY-NNNNN)
+- Availability System (`src/Booking/Availability.php`)
+  - Real-time availability checking
+  - Conflict detection for overlapping bookings
+  - AJAX endpoint for instant availability validation
+  - Calendar data generation for rooms and buildings
+  - Support for excluding booking from conflict check (for editing)
+  - Utility methods: get upcoming bookings, current bookings, today's check-ins/outs
+- Calendar Admin Page (WP BnB > Calendar)
+  - Monthly calendar view with availability visualization
+  - Room and building filter dropdowns
+  - Color-coded booking status display
+  - Month navigation (previous/next/today)
+  - Click-to-edit booking functionality
+  - Hover tooltips with booking details
+  - Legend for status colors
+  - Single room and multi-room views
+- Email Notifications (`src/Booking/EmailNotifier.php`)
+  - Admin notification for new bookings
+  - Guest confirmation email on booking confirmation
+  - Admin notification on booking confirmation
+  - Cancellation emails to guest and admin
+  - HTML email templates with styling
+  - Placeholder-based template system
+  - Filter hooks for customizing recipients, subject, and content
+- Booking Admin List Enhancements
+  - Custom columns: room, guest, dates, nights, price, status
+  - Status badges with color coding
+  - Filter by room and status
+  - Sortable columns for dates, guest, status
+  - Price override indicator
+- Booking Meta Boxes
+  - Room & Dates: room selection, date pickers, nights display, availability check
+  - Guest Information: contact details, guest count, notes
+  - Pricing: calculated price, breakdown display, recalculate button, override
+  - Status & Notes: status dropdown with preview, internal notes
+
+### Changed
+
+- Plugin.php enhanced with AJAX handlers and component initialization
+- Admin JavaScript updated with booking form functionality
+- Admin CSS updated with booking and calendar styles
+- Asset enqueuing now includes Booking post type screens
+
+### Security
+
+- Conflict detection prevents double-booking
+- Date validation ensures check-out is after check-in
+- Status transition validation prevents invalid state changes
+- Nonce verification on availability AJAX requests
+- Capability checks on all booking operations
+
+## [0.2.0] - 2026-01-31
+
+### Added
+
+- Pricing System with three tiers:
+  - Short-term (nightly) pricing for stays up to 6 nights
+  - Mid-term (weekly) pricing for stays 7-27 nights
+  - Long-term (monthly) pricing for stays 28+ nights
+- PricingTier enum class with automatic tier detection
+- Season class for seasonal pricing management
+  - Date range support (MM-DD format)
+  - Year-spanning seasons (e.g., winter holidays Dec-Jan)
+  - Price modifier (multiplier) per season
+  - Priority system for overlapping seasons
+  - Active/inactive status toggle
+- Calculator class for price calculations
+  - Automatic tier detection based on stay duration
+  - Seasonal price adjustments
+  - Weekend surcharge support
+  - Price breakdown for detailed invoicing
+  - Currency formatting with symbol/suffix support
+- Pricing meta box on Room edit screen
+  - Base prices for each tier (nightly, weekly, monthly)
+  - Weekend surcharge field
+  - Link to pricing settings
+- Pricing Settings tab in plugin settings
+  - Configurable tier thresholds
+  - Weekend days selection
+  - Quick view of configured seasons
+- Seasons admin page (WP BnB > Seasons)
+  - List view with all seasons
+  - Add/Edit season form
+  - Delete confirmation
+  - Create default seasons option
+- Price column in room list admin
+- Admin CSS for pricing UI
+- Admin JavaScript for pricing interactions
+
+### Changed
+
+- Room post type now includes pricing fields
+- Plugin settings page has new Pricing tab
+- Enhanced asset localization with pricing i18n strings
+
+## [0.1.0] - 2026-01-31
+
+### Added
+
+- Custom Post Type: Buildings (`bnb_building`)
+  - Address fields (street, city, state, ZIP, country)
+  - Contact information (phone, email, website)
+  - Building details (total rooms, floors, year built)
+  - Check-in/check-out time configuration
+  - Featured image support
+  - Custom admin columns (city, country, room count)
+  - Sortable columns
+- Custom Post Type: Rooms (`bnb_room`)
+  - Building relationship (parent building selection)
+  - Room details (number, floor, size, capacity)
+  - Guest capacity (total, max adults, max children)
+  - Beds description and bathroom count
+  - Room status (available, occupied, maintenance, blocked)
+  - Image gallery with drag-and-drop sorting
+  - Featured image support
+  - Custom admin columns (building, room number, type, capacity, status)
+  - Building filter dropdown in admin list
+- Custom Taxonomy: Room Types (`bnb_room_type`)
+  - Hierarchical (category-like) structure
+  - Default types: Standard, Superior, Suite, Family, Accessible, Apartment
+  - Subtypes: Single, Double, Twin, Junior Suite, Executive Suite
+  - Base capacity meta field
+  - Sort order meta field
+- Custom Taxonomy: Amenities (`bnb_amenity`)
+  - Non-hierarchical (tag-like) structure
+  - Default amenities: WiFi, Parking, Breakfast, TV, A/C, Pet Friendly, etc.
+  - Dashicon selection for visual display
+  - Custom column showing icon
+- Admin enhancements
+  - Gallery meta box with media library integration
+  - Status badges with color coding
+  - Custom title placeholders for each post type
+  - Post type edit screens with proper asset loading
+
+### Changed
+
+- Updated admin assets to handle post type edit screens
+- Enhanced asset enqueuing to include jQuery UI Sortable for galleries
+- Improved localization with additional i18n strings
+
 ## [0.0.1] - 2026-01-31
 
 ### Added
@@ -35,4 +191,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Input sanitization and output escaping
 - Server secret masking in license settings
 
+[0.3.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.3.0
+[0.2.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.2.0
+[0.1.0]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.1.0
 [0.0.1]: https://src.bundespruefstelle.ch/magdev/wp-bnb/releases/tag/v0.0.1

CLAUDE.md

@@ -38,15 +38,6 @@ This project is proudly **"vibe-coded"** using Claude.AI - the entire codebase w
 
 **Note for AI Assistants:** Clean this section after the specific features are done or new releases are made. Effective changes are tracked in `CHANGELOG.md`. Do not add completed versions here - document them in the Session History section at the end of this file.
 
-### Version 0.1.0 - Core Data Structures
-
-- Custom Post Type: Buildings (address, contact, description, images)
-- Custom Post Type: Rooms (building reference, capacity, amenities)
-- Custom Taxonomy: Room Types (Standard, Suite, Family, etc.)
-- Custom Taxonomy: Amenities (WiFi, Parking, Breakfast, etc.)
-- Gutenberg blocks for Buildings and Rooms
-- See `PLAN.md` for full implementation roadmap
-
 ## Technical Stack
 
 - **Language:** PHP 8.3.x
@@ -215,8 +206,25 @@ wp-bnb/
 │       └── release.yml     # CI/CD release pipeline
 ├── src/                    # PHP source code (PSR-4: Magdev\WpBnb)
 │   ├── Plugin.php          # Main plugin singleton
-│   └── License/
+│   ├── Admin/              # Admin pages
-│       └── Manager.php     # License management
+│   │   ├── Calendar.php    # Availability calendar page
+│   │   └── Seasons.php     # Seasons management page
+│   ├── Booking/            # Booking system
+│   │   ├── Availability.php # Availability checking
+│   │   └── EmailNotifier.php # Email notifications
+│   ├── License/
+│   │   └── Manager.php     # License management
+│   ├── PostTypes/          # Custom post types
+│   │   ├── Booking.php     # Booking post type
+│   │   ├── Building.php    # Building post type
+│   │   └── Room.php        # Room post type
+│   ├── Pricing/            # Pricing system
+│   │   ├── Calculator.php  # Price calculation
+│   │   ├── PricingTier.php # Pricing tier enum
+│   │   └── Season.php      # Seasonal pricing
+│   └── Taxonomies/         # Custom taxonomies
+│       ├── Amenity.php     # Amenity taxonomy (tags)
+│       └── RoomType.php    # Room type taxonomy (categories)
 ├── lib/                    # Git submodules
 │   └── wc-licensed-product-client/  # License client library
 ├── vendor/                 # Composer dependencies (auto-generated)
@@ -303,3 +311,160 @@ Admin features always work; frontend requires valid license.
 - Settings page uses tabs with nonce-protected form submission
 - AJAX handlers require `check_ajax_referer()` and `current_user_can()` checks
 - CI/CD workflow excludes `lib/` directory but includes `vendor/` in releases
+
+### 2026-01-31 - Version 0.1.0 (Core Data Structures)
+
+**Completed:**
+
+- Created Custom Post Type: Buildings (`bnb_building`)
+  - Address meta box with full address fields
+  - Contact meta box with phone, email, website
+  - Details meta box with rooms count, floors, year built, check-in/out times
+  - Custom admin columns (city, country, room count)
+  - Sortable columns and country dropdown
+- Created Custom Post Type: Rooms (`bnb_room`)
+  - Building relationship via meta field
+  - Room details: number, floor, size, capacity, beds, bathrooms
+  - Room status with color-coded badges
+  - Image gallery with media library and drag-and-drop sorting
+  - Building filter dropdown in admin list
+  - Custom admin columns with building link
+- Created Custom Taxonomy: Room Types (`bnb_room_type`)
+  - Hierarchical structure with parent/child support
+  - Base capacity and sort order meta fields
+  - Default terms with subtypes (Standard > Single/Double/Twin, etc.)
+- Created Custom Taxonomy: Amenities (`bnb_amenity`)
+  - Non-hierarchical (tag-like) structure
+  - Dashicon selection for visual display
+  - Icon column in taxonomy list
+  - Default amenities: WiFi, Parking, Breakfast, etc.
+- Updated Plugin class to register post types and taxonomies
+- Enhanced admin assets for post type edit screens
+- Added gallery JavaScript with media library integration
+- Updated activation hook to register CPTs before flushing rewrites
+- Updated version to 0.1.0
+
+**Learnings:**
+
+- Taxonomies must be registered before post types that use them
+- `show_in_menu => 'wp-bnb'` adds post types under the plugin's main menu
+- Room-building relationship uses post meta, not hierarchical post types
+- Gallery implementation uses `wp.media` frame with multiple selection
+- Admin assets need conditional loading based on both hook suffix and post type
+- Status badges use inline styles for color coding (avoiding extra CSS complexity)
+
+### 2026-01-31 - Version 0.2.0 (Pricing System)
+
+**Completed:**
+
+- Created `src/Pricing/PricingTier.php` enum class
+  - SHORT_TERM, MID_TERM, LONG_TERM cases
+  - Labels, units, default thresholds
+  - `fromNights()` for automatic tier detection
+- Created `src/Pricing/Season.php` class
+  - Seasonal pricing with date ranges (MM-DD format)
+  - Year-spanning seasons support (e.g., Dec 20 to Jan 6)
+  - Price modifier (multiplier) per season
+  - Priority system for overlapping seasons
+  - CRUD operations stored in wp_options
+  - Default seasons: High Season, Winter Holidays, Low Season
+- Created `src/Pricing/Calculator.php` class
+  - Price calculation with tier detection
+  - Seasonal modifier application
+  - Weekend surcharge support
+  - Detailed price breakdown
+  - Currency formatting with symbol/suffix
+- Added pricing meta box to Room post type
+  - Base prices for each tier
+  - Weekend surcharge field
+  - Link to pricing settings
+  - Price column in admin list
+- Added Pricing tab to settings page
+  - Configurable tier thresholds
+  - Weekend days selection (checkboxes)
+  - Quick view of configured seasons
+- Created `src/Admin/Seasons.php` admin page
+  - List view with all seasons
+  - Add/Edit season forms
+  - Delete with confirmation
+  - Create default seasons option
+  - Date formatting for display
+- Updated admin.css with pricing styles
+- Updated admin.js with pricing interactions
+- Updated Plugin.php to register Seasons admin page
+- Updated version to 0.2.0
+
+**Learnings:**
+
+- PHP 8.1+ enums work well for pricing tiers with methods
+- Season date ranges use MM-DD format for annual recurrence
+- Year-spanning seasons require special comparison logic
+- Price modifiers as multipliers are more flexible than percentages
+- Calculator class separates concerns from post type class
+- Weekend days stored as comma-separated string in options
+
+### 2026-01-31 - Version 0.3.0 (Booking System)
+
+**Completed:**
+
+- Created `src/PostTypes/Booking.php` custom post type
+  - Room and guest relationship tracking
+  - Check-in/check-out date management with validation
+  - Status workflow (pending, confirmed, checked_in, checked_out, cancelled)
+  - Auto-generated booking references (BNB-YYYY-NNNNN)
+  - Four meta boxes: Room & Dates, Guest Info, Pricing, Status & Notes
+  - Conflict detection prevents double-booking
+  - Price calculation using existing Calculator class
+  - Admin columns with room, guest, dates, nights, price, status
+  - Filters by room and status
+  - Status badges with color coding
+- Created `src/Booking/Availability.php` class
+  - Real-time availability checking via AJAX
+  - Conflict detection algorithm
+  - Calendar data generation for rooms and buildings
+  - Utility methods for upcoming bookings, today's check-ins/outs
+- Created `src/Admin/Calendar.php` admin page
+  - Monthly calendar view with room/building filters
+  - Color-coded booking status display
+  - Month navigation (previous/next/today)
+  - Click-to-edit booking functionality
+  - Hover tooltips with booking details
+  - Legend for status colors
+- Created `src/Booking/EmailNotifier.php` class
+  - Admin notification for new bookings
+  - Guest confirmation email on booking confirmation
+  - Cancellation emails to guest and admin
+  - HTML email templates with inline styles
+  - Placeholder-based template system
+  - Filter hooks for customizing emails
+- Updated `src/Plugin.php`
+  - Registered Booking post type
+  - Initialized Calendar admin page
+  - Initialized EmailNotifier
+  - Added AJAX handler for availability checking
+  - Updated asset enqueuing for Booking screens
+- Updated `assets/js/admin.js`
+  - Booking form with AJAX availability checking
+  - Real-time nights display
+  - Price calculation and display
+  - Status preview update
+  - Date validation (check-out after check-in)
+  - Calendar page interactivity
+- Updated `assets/css/admin.css`
+  - Booking info display styles
+  - Availability status indicators
+  - Price breakdown styles
+  - Calendar grid and cell styles
+  - Legend and filter styles
+  - Responsive design for calendar
+- Updated version to 0.3.0
+
+**Learnings:**
+
+- Booking conflicts use overlap detection: `A.check_in < B.check_out AND A.check_out > B.check_in`
+- Excluding cancelled bookings from conflict checks allows rebooking same dates
+- Guest info stored in booking meta (Phase 4 will add separate Guest CPT)
+- AJAX availability check returns price calculation for immediate feedback
+- Calendar displays bookings color-coded by status for quick visual overview
+- HTML email templates with inline CSS for better email client compatibility
+- Status transitions can trigger different email notifications via hooks

PLAN.md

@@ -17,72 +17,72 @@ This document outlines the implementation plan for the WP BnB Management plugin.
 - [x] Basic CSS and JS assets
 - [x] Documentation (README, PLAN, CLAUDE)
 
-### v0.1.0 - Core Data Structures
+### v0.1.0 - Core Data Structures (Current)
 
-- [ ] Custom Post Type: Buildings
+- [x] Custom Post Type: Buildings
   - Meta fields: address, contact, description, images
   - Admin columns and filtering
-  - Gutenberg block for display
+  - Gutenberg block for display (planned for Phase 6)
 
-- [ ] Custom Post Type: Rooms
+- [x] Custom Post Type: Rooms
   - Meta fields: building reference, capacity, amenities, images
   - Relationship to Buildings (parent)
   - Admin columns with building filter
-  - Gutenberg block for display
+  - Gutenberg block for display (planned for Phase 6)
 
-- [ ] Custom Taxonomy: Room Types
+- [x] Custom Taxonomy: Room Types
   - Standard, Suite, Family, Accessible, etc.
   - Hierarchical structure
 
-- [ ] Custom Taxonomy: Amenities
+- [x] Custom Taxonomy: Amenities
   - WiFi, Parking, Breakfast, etc.
   - Non-hierarchical (tags)
 
-## Phase 2: Pricing System (v0.2.0)
+## Phase 2: Pricing System (v0.2.0) - Complete
 
 ### Pricing Classes
 
-- [ ] Short-term pricing (per night, 1-6 nights)
+- [x] Short-term pricing (per night, 1-6 nights)
-- [ ] Mid-term pricing (per week, 1-4 weeks)
+- [x] Mid-term pricing (per week, 1-4 weeks)
-- [ ] Long-term pricing (per month, 1+ months)
+- [x] Long-term pricing (per month, 1+ months)
 
 ### Price Configuration
 
-- [ ] Room-level price settings
+- [x] Room-level price settings
-- [ ] Seasonal pricing periods
+- [x] Seasonal pricing periods
-- [ ] Weekend/weekday differentiation
+- [x] Weekend/weekday differentiation
-- [ ] Currency formatting and display
+- [x] Currency formatting and display
 
 ### Price Calculation
 
-- [ ] Automatic tier detection based on duration
+- [x] Automatic tier detection based on duration
-- [ ] Price breakdown display
+- [x] Price breakdown display
-- [ ] Discount handling
+- [x] Discount handling (via seasonal modifiers)
 
-## Phase 3: Booking System (v0.3.0)
+## Phase 3: Booking System (v0.3.0) - Complete
 
 ### Custom Post Type: Bookings
 
-- [ ] Guest reference
+- [x] Guest reference
-- [ ] Room reference
+- [x] Room reference
-- [ ] Check-in/check-out dates
+- [x] Check-in/check-out dates
-- [ ] Status (pending, confirmed, checked-in, checked-out, cancelled)
+- [x] Status (pending, confirmed, checked-in, checked-out, cancelled)
-- [ ] Price calculation and storage
+- [x] Price calculation and storage
-- [ ] Notes field
+- [x] Notes field
 
 ### Calendar Integration
 
-- [ ] Availability calendar per room
+- [x] Availability calendar per room
-- [ ] Availability calendar per building
+- [x] Availability calendar per building
-- [ ] Date range picker for bookings
+- [x] Date range picker for bookings
-- [ ] Conflict detection
+- [x] Conflict detection
 
 ### Booking Workflow
 
-- [ ] Booking creation (admin)
+- [x] Booking creation (admin)
-- [ ] Status transitions
+- [x] Status transitions
-- [ ] Email notifications
+- [x] Email notifications
-- [ ] Booking confirmation
+- [x] Booking confirmation
 
 ## Phase 4: Guest Management (v0.4.0)
 
@@ -285,15 +285,15 @@ The plugin will provide extensive hooks for customization:
 
 ## Version Milestones
 
-| Version | Focus | Target |
+| Version | Focus           | Target   |
-|---------|-------|--------|
+| ------- | --------------- | -------- |
-| 0.0.1 | Initial setup | Complete |
+| 0.0.1   | Initial setup   | Complete |
-| 0.1.0 | Data structures | TBD |
+| 0.1.0   | Data structures | Complete |
-| 0.2.0 | Pricing | TBD |
+| 0.2.0   | Pricing         | Complete |
-| 0.3.0 | Bookings | TBD |
+| 0.3.0   | Bookings        | Complete |
-| 0.4.0 | Guests | TBD |
+| 0.4.0   | Guests          | TBD      |
-| 0.5.0 | Services | TBD |
+| 0.5.0   | Services        | TBD      |
-| 0.6.0 | Frontend | TBD |
+| 0.6.0   | Frontend        | TBD      |
-| 0.7.0 | CF7 Integration | TBD |
+| 0.7.0   | CF7 Integration | TBD      |
-| 0.8.0 | Dashboard | TBD |
+| 0.8.0   | Dashboard       | TBD      |
-| 1.0.0 | Stable Release | TBD |
+| 1.0.0   | Stable Release  | TBD      |

assets/css/admin.css

@@ -79,3 +79,612 @@
 .submit .button {
 	margin: 0;
 }
+
+/* Room Gallery */
+.bnb-gallery-container {
+	padding: 10px 0;
+}
+
+.bnb-gallery-images {
+	display: flex;
+	flex-wrap: wrap;
+	gap: 10px;
+	margin-bottom: 15px;
+}
+
+.bnb-gallery-image {
+	position: relative;
+	width: 100px;
+	height: 100px;
+	border: 1px solid #c3c4c7;
+	border-radius: 4px;
+	overflow: hidden;
+	cursor: move;
+}
+
+.bnb-gallery-image img {
+	width: 100%;
+	height: 100%;
+	object-fit: cover;
+}
+
+.bnb-gallery-image .bnb-remove-image {
+	position: absolute;
+	top: 2px;
+	right: 2px;
+	width: 20px;
+	height: 20px;
+	padding: 0;
+	border: none;
+	border-radius: 50%;
+	background: rgba(0, 0, 0, 0.7);
+	color: #fff;
+	font-size: 14px;
+	line-height: 18px;
+	text-align: center;
+	cursor: pointer;
+	opacity: 0;
+	transition: opacity 0.2s;
+}
+
+.bnb-gallery-image:hover .bnb-remove-image {
+	opacity: 1;
+}
+
+.bnb-gallery-image .bnb-remove-image:hover {
+	background: #d63638;
+}
+
+/* Status Badge */
+.bnb-status-badge {
+	display: inline-block;
+	padding: 3px 8px;
+	border-radius: 3px;
+	color: #fff;
+	font-size: 12px;
+	font-weight: 600;
+	text-transform: uppercase;
+}
+
+/* Room Details Meta Box */
+#bnb_room_details .form-table td label {
+	display: inline-block;
+	min-width: 100px;
+}
+
+/* Building Details Meta Box */
+#bnb_building_details p {
+	margin: 10px 0;
+}
+
+#bnb_building_details label {
+	display: block;
+	margin-bottom: 5px;
+	font-weight: 600;
+}
+
+#bnb_building_details input {
+	width: 100%;
+}
+
+/* Admin Columns */
+.column-city,
+.column-country,
+.column-room_number,
+.column-capacity,
+.column-status {
+	width: 100px;
+}
+
+.column-building {
+	width: 150px;
+}
+
+.column-rooms {
+	width: 80px;
+}
+
+/* Dashicons in columns */
+.column-capacity .dashicons {
+	color: #646970;
+	font-size: 16px;
+	vertical-align: middle;
+	margin-right: 3px;
+}
+
+/* Price column */
+.column-price {
+	width: 120px;
+}
+
+.bnb-no-price {
+	color: #646970;
+	font-style: italic;
+}
+
+/* Pricing Meta Box */
+.bnb-pricing-table h4 {
+	margin: 0 0 10px 0;
+	padding: 0;
+	font-size: 13px;
+	font-weight: 600;
+	color: #1d2327;
+}
+
+.bnb-pricing-table tr:first-child th,
+.bnb-pricing-table tr:first-child td {
+	padding-top: 0;
+}
+
+.bnb-price-input-wrapper {
+	display: flex;
+	align-items: center;
+	gap: 8px;
+}
+
+.bnb-price-input-wrapper input {
+	width: 100px !important;
+}
+
+.bnb-price-unit {
+	color: #646970;
+	font-size: 13px;
+}
+
+/* Seasons Page */
+.bnb-seasons-description {
+	background: #fff;
+	border: 1px solid #c3c4c7;
+	border-left: 4px solid #72aee6;
+	padding: 12px 15px;
+	margin: 20px 0;
+}
+
+.bnb-seasons-description p {
+	margin: 5px 0;
+}
+
+.bnb-no-seasons {
+	background: #fff;
+	border: 1px solid #c3c4c7;
+	border-radius: 4px;
+	padding: 40px;
+	text-align: center;
+}
+
+.bnb-no-seasons p {
+	margin: 15px 0;
+}
+
+.bnb-no-seasons .button {
+	margin: 0 5px;
+}
+
+/* Season List Columns */
+.column-name {
+	width: 25%;
+}
+
+.column-dates {
+	width: 20%;
+}
+
+.column-modifier {
+	width: 20%;
+}
+
+.column-priority {
+	width: 10%;
+}
+
+.column-status {
+	width: 10%;
+}
+
+.bnb-modifier-visual {
+	font-size: 12px;
+	margin-left: 5px;
+}
+
+.bnb-status-active {
+	display: inline-flex;
+	align-items: center;
+	color: #00a32a;
+	font-weight: 600;
+}
+
+.bnb-status-active::before {
+	content: "\f147";
+	font-family: dashicons;
+	margin-right: 3px;
+}
+
+.bnb-status-inactive {
+	display: inline-flex;
+	align-items: center;
+	color: #646970;
+}
+
+.bnb-status-inactive::before {
+	content: "\f460";
+	font-family: dashicons;
+	margin-right: 3px;
+}
+
+/* Season Form */
+.bnb-season-form {
+	max-width: 800px;
+}
+
+.bnb-season-form .form-table th {
+	width: 180px;
+}
+
+.bnb-season-form input[type="text"].small-text {
+	width: 80px;
+}
+
+/* ==========================================================================
+   Booking System Styles
+   ========================================================================== */
+
+/* Booking Info Display */
+.bnb-booking-info {
+	padding: 8px 12px;
+	background: #f6f7f7;
+	border: 1px solid #c3c4c7;
+	border-radius: 4px;
+	font-size: 13px;
+}
+
+.bnb-booking-info.bnb-checking {
+	color: #646970;
+	font-style: italic;
+}
+
+.bnb-booking-info.bnb-available {
+	background: #d4edda;
+	border-color: #c3e6cb;
+	color: #155724;
+}
+
+.bnb-booking-info.bnb-not-available {
+	background: #f8d7da;
+	border-color: #f5c6cb;
+	color: #721c24;
+}
+
+.bnb-booking-info .dashicons {
+	font-size: 16px;
+	width: 16px;
+	height: 16px;
+	vertical-align: text-bottom;
+	margin-right: 3px;
+}
+
+/* Booking Price Display */
+.bnb-booking-price {
+	padding: 12px 15px;
+	background: #f0f6fc;
+	border: 1px solid #c3c4c7;
+	border-radius: 4px;
+	margin-bottom: 10px;
+}
+
+.bnb-booking-price strong {
+	font-size: 18px;
+	color: #135e96;
+}
+
+/* Price Breakdown */
+.bnb-booking-breakdown,
+.bnb-breakdown-list {
+	margin: 0;
+	padding: 0;
+	list-style: none;
+}
+
+.bnb-breakdown-list li {
+	padding: 5px 0;
+	border-bottom: 1px dotted #c3c4c7;
+}
+
+.bnb-breakdown-list li:last-child {
+	border-bottom: none;
+	font-weight: 600;
+}
+
+/* Price Override Indicator */
+.bnb-price-override {
+	color: #dba617;
+	font-weight: bold;
+	cursor: help;
+}
+
+/* Status Preview */
+.bnb-status-preview {
+	margin-top: 10px;
+}
+
+.bnb-status-timestamp {
+	font-size: 11px;
+	color: #646970;
+	margin-top: 5px;
+}
+
+/* Required Field Indicator */
+.required {
+	color: #d63638;
+}
+
+/* Booking Admin Columns */
+.column-room,
+.column-guest,
+.column-dates,
+.column-nights,
+.column-price {
+	width: 120px;
+}
+
+.column-room small,
+.column-guest small,
+.column-dates small {
+	display: block;
+	color: #646970;
+	font-size: 11px;
+}
+
+/* ==========================================================================
+   Calendar Page Styles
+   ========================================================================== */
+
+/* Calendar Container */
+.bnb-calendar-container {
+	background: #fff;
+	border: 1px solid #c3c4c7;
+	border-radius: 4px;
+	margin-top: 20px;
+}
+
+/* Calendar Header */
+.bnb-calendar-header {
+	display: flex;
+	justify-content: space-between;
+	align-items: center;
+	padding: 15px 20px;
+	background: #f6f7f7;
+	border-bottom: 1px solid #c3c4c7;
+}
+
+.bnb-calendar-header h2 {
+	margin: 0;
+	font-size: 18px;
+}
+
+.bnb-calendar-nav {
+	display: flex;
+	gap: 5px;
+}
+
+/* Calendar Filters */
+.bnb-calendar-filters {
+	display: flex;
+	gap: 15px;
+	padding: 15px 20px;
+	border-bottom: 1px solid #c3c4c7;
+	background: #f9f9f9;
+}
+
+.bnb-calendar-filters label {
+	display: flex;
+	align-items: center;
+	gap: 8px;
+}
+
+.bnb-calendar-filters select {
+	min-width: 200px;
+}
+
+/* Calendar Grid */
+.bnb-calendar-grid {
+	padding: 20px;
+	overflow-x: auto;
+}
+
+.bnb-calendar-table {
+	width: 100%;
+	border-collapse: collapse;
+	table-layout: fixed;
+}
+
+.bnb-calendar-table th,
+.bnb-calendar-table td {
+	border: 1px solid #c3c4c7;
+	text-align: center;
+	padding: 0;
+	min-width: 35px;
+}
+
+.bnb-calendar-table th {
+	background: #f6f7f7;
+	font-weight: 600;
+	padding: 8px 4px;
+	font-size: 11px;
+}
+
+.bnb-calendar-table th.room-header {
+	text-align: left;
+	padding-left: 10px;
+	min-width: 150px;
+}
+
+/* Calendar Day Cell */
+.bnb-calendar-day {
+	height: 35px;
+	vertical-align: middle;
+	position: relative;
+	cursor: default;
+}
+
+.bnb-calendar-day.past {
+	background: #f0f0f1;
+	color: #a7aaad;
+}
+
+.bnb-calendar-day.today {
+	background: #f0f6fc;
+	font-weight: 600;
+}
+
+.bnb-calendar-day.today::after {
+	content: "";
+	position: absolute;
+	bottom: 2px;
+	left: 50%;
+	transform: translateX(-50%);
+	width: 4px;
+	height: 4px;
+	background: #2271b1;
+	border-radius: 50%;
+}
+
+.bnb-calendar-day.available {
+	background: #d4edda;
+}
+
+.bnb-calendar-day.booked {
+	background: #d63638;
+	color: #fff;
+	cursor: pointer;
+}
+
+.bnb-calendar-day.booked.booking-hover {
+	background: #a02424;
+}
+
+.bnb-calendar-day.booked-start {
+	border-top-left-radius: 4px;
+	border-bottom-left-radius: 4px;
+}
+
+.bnb-calendar-day.booked-end {
+	border-top-right-radius: 4px;
+	border-bottom-right-radius: 4px;
+}
+
+/* Booking Status Colors in Calendar */
+.bnb-calendar-day.status-pending {
+	background: #dba617;
+}
+
+.bnb-calendar-day.status-confirmed {
+	background: #00a32a;
+}
+
+.bnb-calendar-day.status-checked_in {
+	background: #72aee6;
+}
+
+/* Room Row in Multi-Room Calendar */
+.bnb-calendar-room {
+	font-weight: 600;
+	text-align: left;
+	padding: 8px 10px;
+	background: #f6f7f7;
+}
+
+.bnb-calendar-room small {
+	font-weight: normal;
+	color: #646970;
+}
+
+/* Calendar Legend */
+.bnb-calendar-legend {
+	display: flex;
+	gap: 20px;
+	padding: 15px 20px;
+	border-top: 1px solid #c3c4c7;
+	background: #f6f7f7;
+}
+
+.bnb-calendar-legend-item {
+	display: flex;
+	align-items: center;
+	gap: 8px;
+	font-size: 12px;
+}
+
+.bnb-calendar-legend-color {
+	width: 16px;
+	height: 16px;
+	border-radius: 3px;
+	border: 1px solid rgba(0, 0, 0, 0.1);
+}
+
+.bnb-calendar-legend-color.available {
+	background: #d4edda;
+}
+
+.bnb-calendar-legend-color.booked {
+	background: #d63638;
+}
+
+.bnb-calendar-legend-color.pending {
+	background: #dba617;
+}
+
+.bnb-calendar-legend-color.confirmed {
+	background: #00a32a;
+}
+
+.bnb-calendar-legend-color.checked-in {
+	background: #72aee6;
+}
+
+/* Tooltip for booking details */
+.bnb-calendar-day[title] {
+	cursor: help;
+}
+
+/* No Rooms Message */
+.bnb-no-rooms {
+	padding: 40px;
+	text-align: center;
+	color: #646970;
+}
+
+.bnb-no-rooms .dashicons {
+	font-size: 48px;
+	width: 48px;
+	height: 48px;
+	margin-bottom: 15px;
+}
+
+/* Calendar Single Room View */
+.bnb-calendar-single-room .bnb-calendar-day {
+	font-size: 12px;
+}
+
+.bnb-calendar-single-room .bnb-calendar-day.booked .guest-name {
+	font-size: 10px;
+	display: block;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
+/* Responsive */
+@media screen and (max-width: 782px) {
+	.bnb-calendar-filters {
+		flex-direction: column;
+	}
+
+	.bnb-calendar-filters select {
+		width: 100%;
+	}
+
+	.bnb-calendar-header {
+		flex-direction: column;
+		gap: 10px;
+	}
+}

assets/js/admin.js

@@ -91,9 +91,501 @@
 		}
 	}
 
+	/**
+	 * Initialize room gallery functionality.
+	 */
+	function initRoomGallery() {
+		var $container = $('#bnb-room-gallery');
+		var $addButton = $('#bnb-add-gallery-images');
+		var $input = $('#bnb_room_gallery');
+		var $imagesContainer = $container.find('.bnb-gallery-images');
+
+		if (!$addButton.length) {
+			return;
+		}
+
+		// Media frame for selecting images.
+		var mediaFrame;
+
+		// Add images button click.
+		$addButton.on('click', function(e) {
+			e.preventDefault();
+
+			// If frame exists, reopen it.
+			if (mediaFrame) {
+				mediaFrame.open();
+				return;
+			}
+
+			// Create media frame.
+			mediaFrame = wp.media({
+				title: wpBnbAdmin.i18n.selectImages,
+				button: {
+					text: wpBnbAdmin.i18n.addToGallery
+				},
+				multiple: true,
+				library: {
+					type: 'image'
+				}
+			});
+
+			// Handle selection.
+			mediaFrame.on('select', function() {
+				var selection = mediaFrame.state().get('selection');
+				selection.each(function(attachment) {
+					var data = attachment.toJSON();
+					var thumbnail = data.sizes.thumbnail ? data.sizes.thumbnail.url : data.url;
+
+					// Check if already in gallery.
+					if ($imagesContainer.find('[data-id="' + data.id + '"]').length) {
+						return;
+					}
+
+					// Add image to gallery.
+					var $image = $('<div class="bnb-gallery-image" data-id="' + data.id + '">' +
+						'<img src="' + thumbnail + '" alt="">' +
+						'<button type="button" class="bnb-remove-image">&times;</button>' +
+						'</div>');
+					$imagesContainer.append($image);
+				});
+
+				updateGalleryInput();
+			});
+
+			mediaFrame.open();
+		});
+
+		// Remove image button click.
+		$imagesContainer.on('click', '.bnb-remove-image', function(e) {
+			e.preventDefault();
+			$(this).closest('.bnb-gallery-image').remove();
+			updateGalleryInput();
+		});
+
+		// Make gallery sortable.
+		$imagesContainer.sortable({
+			items: '.bnb-gallery-image',
+			cursor: 'move',
+			update: function() {
+				updateGalleryInput();
+			}
+		});
+
+		/**
+		 * Update the hidden input with gallery image IDs.
+		 */
+		function updateGalleryInput() {
+			var ids = [];
+			$imagesContainer.find('.bnb-gallery-image').each(function() {
+				ids.push($(this).data('id'));
+			});
+			$input.val(ids.join(','));
+		}
+	}
+
+	/**
+	 * Initialize pricing settings functionality.
+	 */
+	function initPricingSettings() {
+		var $midTermInput = $('#wp_bnb_mid_term_max_nights');
+		var $longTermMin = $('#wp-bnb-long-term-min');
+
+		if (!$midTermInput.length || !$longTermMin.length) {
+			return;
+		}
+
+		// Update long-term minimum display when mid-term max changes.
+		$midTermInput.on('input', function() {
+			$longTermMin.text($(this).val());
+		});
+	}
+
+	/**
+	 * Initialize season form validation.
+	 */
+	function initSeasonForm() {
+		var $form = $('.bnb-season-form');
+
+		if (!$form.length) {
+			return;
+		}
+
+		// Validate date format on input.
+		$form.find('#season_start_date, #season_end_date').on('input', function() {
+			var value = $(this).val();
+			var isValid = /^\d{2}-\d{2}$/.test(value);
+
+			if (value.length > 0 && !isValid) {
+				$(this).css('border-color', '#d63638');
+			} else {
+				$(this).css('border-color', '');
+			}
+		});
+
+		// Validate modifier range.
+		$form.find('#season_modifier').on('input', function() {
+			var value = parseFloat($(this).val());
+			var $preview = $(this).siblings('.bnb-modifier-preview');
+
+			if ($preview.length === 0) {
+				$preview = $('<span class="bnb-modifier-preview"></span>');
+				$(this).after($preview);
+			}
+
+			if (!isNaN(value) && value > 0) {
+				var percentage = ((value - 1) * 100).toFixed(0);
+				var text = '';
+				if (percentage > 0) {
+					text = '+' + percentage + '% ' + (wpBnbAdmin.i18n.increase || 'increase');
+					$preview.css('color', '#d63638');
+				} else if (percentage < 0) {
+					text = percentage + '% ' + (wpBnbAdmin.i18n.discount || 'discount');
+					$preview.css('color', '#00a32a');
+				} else {
+					text = wpBnbAdmin.i18n.normalPrice || 'Normal price';
+					$preview.css('color', '#646970');
+				}
+				$preview.text(' = ' + text);
+			} else {
+				$preview.text('');
+			}
+		}).trigger('input');
+	}
+
+	/**
+	 * Initialize pricing meta box interactions.
+	 */
+	function initPricingMetaBox() {
+		var $pricingTable = $('.bnb-pricing-table');
+
+		if (!$pricingTable.length) {
+			return;
+		}
+
+		// Highlight empty required prices.
+		$pricingTable.find('input[type="number"]').on('blur', function() {
+			var $input = $(this);
+			var value = $input.val();
+			var isShortTerm = $input.attr('id').indexOf('short_term') !== -1;
+
+			// Short-term price is recommended.
+			if (isShortTerm && (value === '' || parseFloat(value) <= 0)) {
+				$input.css('background-color', '#fcf0f1');
+			} else {
+				$input.css('background-color', '');
+			}
+		});
+	}
+
+	/**
+	 * Initialize booking form functionality.
+	 */
+	function initBookingForm() {
+		var $roomSelect = $('#bnb_booking_room_id');
+		var $checkInInput = $('#bnb_booking_check_in');
+		var $checkOutInput = $('#bnb_booking_check_out');
+		var $nightsDisplay = $('#bnb-booking-nights-display');
+		var $availabilityDisplay = $('#bnb-booking-availability-display');
+		var $priceDisplay = $('#bnb-booking-price-display');
+		var $calculatedPriceInput = $('#bnb_booking_calculated_price');
+		var $priceBreakdownInput = $('#bnb_booking_price_breakdown');
+		var $breakdownDisplay = $('#bnb-booking-breakdown-display');
+		var $recalculateBtn = $('#bnb-recalculate-price');
+		var $statusSelect = $('#bnb_booking_status');
+		var $statusPreview = $('#bnb-status-preview .bnb-status-badge');
+
+		// Check if we're on a booking edit page.
+		if (!$roomSelect.length || !$checkInInput.length) {
+			return;
+		}
+
+		// Get current booking ID if editing.
+		var bookingId = null;
+		var $postId = $('input[name="post_ID"]');
+		if ($postId.length) {
+			bookingId = parseInt($postId.val(), 10);
+		}
+
+		// Debounce timer for availability check.
+		var availabilityTimer = null;
+
+		/**
+		 * Update nights display based on selected dates.
+		 */
+		function updateNightsDisplay() {
+			var checkIn = $checkInInput.val();
+			var checkOut = $checkOutInput.val();
+
+			if (checkIn && checkOut) {
+				var startDate = new Date(checkIn);
+				var endDate = new Date(checkOut);
+				var nights = Math.ceil((endDate - startDate) / (1000 * 60 * 60 * 24));
+
+				if (nights > 0) {
+					var nightText = nights === 1 ? wpBnbAdmin.i18n.night : wpBnbAdmin.i18n.nights;
+					$nightsDisplay.text(nights + ' ' + nightText);
+				} else {
+					$nightsDisplay.text(wpBnbAdmin.i18n.error || 'Invalid date range');
+					$nightsDisplay.css('color', '#d63638');
+				}
+			} else {
+				$nightsDisplay.text(wpBnbAdmin.i18n.selectRoomAndDates);
+				$nightsDisplay.css('color', '');
+			}
+		}
+
+		/**
+		 * Check availability via AJAX.
+		 */
+		function checkAvailability() {
+			var roomId = $roomSelect.val();
+			var checkIn = $checkInInput.val();
+			var checkOut = $checkOutInput.val();
+
+			if (!roomId || !checkIn || !checkOut) {
+				$availabilityDisplay
+					.text(wpBnbAdmin.i18n.selectRoomAndDates)
+					.removeClass('bnb-available bnb-not-available')
+					.addClass('bnb-checking');
+				return;
+			}
+
+			// Validate dates.
+			var startDate = new Date(checkIn);
+			var endDate = new Date(checkOut);
+			if (endDate <= startDate) {
+				$availabilityDisplay
+					.text(wpBnbAdmin.i18n.error || 'Check-out must be after check-in')
+					.removeClass('bnb-available bnb-checking')
+					.addClass('bnb-not-available');
+				return;
+			}
+
+			// Show checking status.
+			$availabilityDisplay
+				.text(wpBnbAdmin.i18n.checking)
+				.removeClass('bnb-available bnb-not-available')
+				.addClass('bnb-checking');
+
+			// Make AJAX request.
+			$.ajax({
+				url: wpBnbAdmin.ajaxUrl,
+				type: 'POST',
+				data: {
+					action: 'wp_bnb_check_availability',
+					nonce: wpBnbAdmin.nonce,
+					room_id: roomId,
+					check_in: checkIn,
+					check_out: checkOut,
+					exclude_booking: bookingId
+				},
+				success: function(response) {
+					if (response.success) {
+						var data = response.data;
+
+						if (data.available) {
+							$availabilityDisplay
+								.html('<span class="dashicons dashicons-yes-alt"></span> ' + wpBnbAdmin.i18n.available)
+								.removeClass('bnb-not-available bnb-checking')
+								.addClass('bnb-available');
+
+							// Update price display.
+							if (data.price_formatted) {
+								$priceDisplay.html('<strong>' + data.price_formatted + '</strong>');
+								$calculatedPriceInput.val(data.price);
+
+								if (data.breakdown) {
+									$priceBreakdownInput.val(JSON.stringify(data.breakdown));
+									updateBreakdownDisplay(data.breakdown);
+								}
+							}
+						} else {
+							var conflictText = wpBnbAdmin.i18n.notAvailable;
+							if (data.conflicts && data.conflicts.length > 0) {
+								conflictText += ' (' + data.conflicts[0].reference + ')';
+							}
+							$availabilityDisplay
+								.html('<span class="dashicons dashicons-dismiss"></span> ' + conflictText)
+								.removeClass('bnb-available bnb-checking')
+								.addClass('bnb-not-available');
+						}
+
+						// Update nights display with response data.
+						if (data.nights) {
+							var nightText = data.nights === 1 ? wpBnbAdmin.i18n.night : wpBnbAdmin.i18n.nights;
+							$nightsDisplay.text(data.nights + ' ' + nightText);
+						}
+					} else {
+						$availabilityDisplay
+							.text(response.data.message || wpBnbAdmin.i18n.error)
+							.removeClass('bnb-available bnb-checking')
+							.addClass('bnb-not-available');
+					}
+				},
+				error: function() {
+					$availabilityDisplay
+						.text(wpBnbAdmin.i18n.error)
+						.removeClass('bnb-available bnb-checking')
+						.addClass('bnb-not-available');
+				}
+			});
+		}
+
+		/**
+		 * Update breakdown display with formatted data.
+		 *
+		 * @param {Object} breakdown Price breakdown data.
+		 */
+		function updateBreakdownDisplay(breakdown) {
+			if (!$breakdownDisplay.length) {
+				return;
+			}
+
+			var html = '<ul class="bnb-breakdown-list">';
+
+			if (breakdown.tier) {
+				html += '<li><strong>Pricing Tier:</strong> ' + breakdown.tier.replace('_', ' ') + '</li>';
+			}
+
+			if (breakdown.nights && Array.isArray(breakdown.nights)) {
+				html += '<li><strong>Nights:</strong> ' + breakdown.nights.length + '</li>';
+				if (breakdown.nightly_rate) {
+					html += '<li><strong>Nightly Rate:</strong> ' + formatPrice(breakdown.nightly_rate) + '</li>';
+				}
+			} else if (breakdown.weeks) {
+				html += '<li><strong>Weeks:</strong> ' + breakdown.weeks + '</li>';
+				if (breakdown.weekly_rate) {
+					html += '<li><strong>Weekly Rate:</strong> ' + formatPrice(breakdown.weekly_rate) + '</li>';
+				}
+			} else if (breakdown.months) {
+				html += '<li><strong>Months:</strong> ' + breakdown.months + '</li>';
+				if (breakdown.monthly_rate) {
+					html += '<li><strong>Monthly Rate:</strong> ' + formatPrice(breakdown.monthly_rate) + '</li>';
+				}
+			}
+
+			if (breakdown.total) {
+				html += '<li><strong>Total:</strong> ' + formatPrice(breakdown.total) + '</li>';
+			}
+
+			html += '</ul>';
+
+			$breakdownDisplay.html(html);
+		}
+
+		/**
+		 * Format price for display.
+		 *
+		 * @param {number} price Price value.
+		 * @return {string} Formatted price.
+		 */
+		function formatPrice(price) {
+			// Simple formatting - server-side Calculator::formatPrice is more complete.
+			return parseFloat(price).toFixed(2);
+		}
+
+		/**
+		 * Debounced availability check.
+		 */
+		function debouncedAvailabilityCheck() {
+			updateNightsDisplay();
+
+			// Clear existing timer.
+			if (availabilityTimer) {
+				clearTimeout(availabilityTimer);
+			}
+
+			// Set new timer to check availability after 500ms.
+			availabilityTimer = setTimeout(checkAvailability, 500);
+		}
+
+		// Bind change events to trigger availability check.
+		$roomSelect.on('change', debouncedAvailabilityCheck);
+		$checkInInput.on('change', debouncedAvailabilityCheck);
+		$checkOutInput.on('change', debouncedAvailabilityCheck);
+
+		// Recalculate price button.
+		if ($recalculateBtn.length) {
+			$recalculateBtn.on('click', function(e) {
+				e.preventDefault();
+				checkAvailability();
+			});
+		}
+
+		// Status preview update.
+		if ($statusSelect.length && $statusPreview.length) {
+			$statusSelect.on('change', function() {
+				var $selected = $(this).find('option:selected');
+				var color = $selected.data('color') || '#ccc';
+				var text = $selected.text();
+
+				$statusPreview
+					.css('background-color', color)
+					.text(text);
+			});
+		}
+
+		// Set min date for check-in to today.
+		var today = new Date().toISOString().split('T')[0];
+		$checkInInput.attr('min', today);
+
+		// Update check-out min date when check-in changes.
+		$checkInInput.on('change', function() {
+			var checkIn = $(this).val();
+			if (checkIn) {
+				var nextDay = new Date(checkIn);
+				nextDay.setDate(nextDay.getDate() + 1);
+				var minCheckOut = nextDay.toISOString().split('T')[0];
+				$checkOutInput.attr('min', minCheckOut);
+
+				// If check-out is before new min, update it.
+				if ($checkOutInput.val() && $checkOutInput.val() <= checkIn) {
+					$checkOutInput.val(minCheckOut);
+				}
+			}
+		});
+	}
+
+	/**
+	 * Initialize calendar page functionality.
+	 */
+	function initCalendarPage() {
+		var $calendar = $('.bnb-calendar-grid');
+
+		if (!$calendar.length) {
+			return;
+		}
+
+		// Add hover effect for booking cells.
+		$calendar.on('mouseenter', '.bnb-calendar-day.booked', function() {
+			var bookingId = $(this).data('booking-id');
+			if (bookingId) {
+				$calendar.find('.bnb-calendar-day[data-booking-id="' + bookingId + '"]')
+					.addClass('booking-hover');
+			}
+		}).on('mouseleave', '.bnb-calendar-day.booked', function() {
+			$calendar.find('.bnb-calendar-day.booking-hover')
+				.removeClass('booking-hover');
+		});
+
+		// Click to edit booking.
+		$calendar.on('click', '.bnb-calendar-day.booked', function() {
+			var bookingId = $(this).data('booking-id');
+			if (bookingId) {
+				window.location.href = wpBnbAdmin.ajaxUrl.replace('admin-ajax.php', 'post.php?post=' + bookingId + '&action=edit');
+			}
+		});
+	}
+
 	// Initialize on document ready.
 	$(document).ready(function() {
 		initLicenseManagement();
+		initRoomGallery();
+		initPricingSettings();
+		initSeasonForm();
+		initPricingMetaBox();
+		initBookingForm();
+		initCalendarPage();
 	});
 
 })(jQuery);

src/Admin/Calendar.php

@@ -0,0 +1,359 @@
+<?php
+/**
+ * Calendar admin page.
+ *
+ * Displays availability calendar for rooms and buildings.
+ *
+ * @package Magdev\WpBnb\Admin
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Admin;
+
+use Magdev\WpBnb\Booking\Availability;
+use Magdev\WpBnb\PostTypes\Booking;
+use Magdev\WpBnb\PostTypes\Building;
+use Magdev\WpBnb\PostTypes\Room;
+
+/**
+ * Calendar admin page class.
+ */
+final class Calendar {
+
+	/**
+	 * Initialize the calendar page.
+	 *
+	 * @return void
+	 */
+	public static function init(): void {
+		add_action( 'admin_menu', array( self::class, 'register_menu' ) );
+	}
+
+	/**
+	 * Register the admin menu item.
+	 *
+	 * @return void
+	 */
+	public static function register_menu(): void {
+		add_submenu_page(
+			'wp-bnb',
+			__( 'Calendar', 'wp-bnb' ),
+			__( 'Calendar', 'wp-bnb' ),
+			'edit_posts',
+			'wp-bnb-calendar',
+			array( self::class, 'render_page' )
+		);
+	}
+
+	/**
+	 * Render the calendar page.
+	 *
+	 * @return void
+	 */
+	public static function render_page(): void {
+		// Get filter parameters.
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only page.
+		$building_id = isset( $_GET['building_id'] ) ? absint( $_GET['building_id'] ) : 0;
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only page.
+		$room_id = isset( $_GET['room_id'] ) ? absint( $_GET['room_id'] ) : 0;
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only page.
+		$year = isset( $_GET['year'] ) ? absint( $_GET['year'] ) : (int) gmdate( 'Y' );
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only page.
+		$month = isset( $_GET['month'] ) ? absint( $_GET['month'] ) : (int) gmdate( 'n' );
+
+		// Validate month.
+		if ( $month < 1 || $month > 12 ) {
+			$month = (int) gmdate( 'n' );
+		}
+
+		// Get buildings and rooms for filters.
+		$buildings = get_posts(
+			array(
+				'post_type'      => Building::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => -1,
+				'orderby'        => 'title',
+				'order'          => 'ASC',
+			)
+		);
+
+		$rooms = get_posts(
+			array(
+				'post_type'      => Room::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => -1,
+				'orderby'        => 'title',
+				'order'          => 'ASC',
+			)
+		);
+
+		// If room is selected, get its building.
+		if ( $room_id && ! $building_id ) {
+			$building = Room::get_building( $room_id );
+			if ( $building ) {
+				$building_id = $building->ID;
+			}
+		}
+
+		// Get rooms to display.
+		$display_rooms = array();
+		if ( $room_id ) {
+			$room = get_post( $room_id );
+			if ( $room ) {
+				$display_rooms[] = $room;
+			}
+		} elseif ( $building_id ) {
+			$display_rooms = Room::get_rooms_for_building( $building_id );
+		} else {
+			$display_rooms = $rooms;
+		}
+
+		// Calculate navigation dates.
+		$prev_month = $month === 1 ? 12 : $month - 1;
+		$prev_year  = $month === 1 ? $year - 1 : $year;
+		$next_month = $month === 12 ? 1 : $month + 1;
+		$next_year  = $month === 12 ? $year + 1 : $year;
+
+		$month_name = gmdate( 'F', mktime( 0, 0, 0, $month, 1, $year ) );
+
+		?>
+		<div class="wrap">
+			<h1><?php esc_html_e( 'Availability Calendar', 'wp-bnb' ); ?></h1>
+
+			<div class="bnb-calendar-container">
+				<!-- Calendar Header -->
+				<div class="bnb-calendar-header">
+					<div class="bnb-calendar-nav">
+						<a href="<?php echo esc_url( self::get_calendar_url( $prev_year, $prev_month, $building_id, $room_id ) ); ?>"
+						   class="button">
+							&laquo; <?php esc_html_e( 'Previous', 'wp-bnb' ); ?>
+						</a>
+						<a href="<?php echo esc_url( self::get_calendar_url( (int) gmdate( 'Y' ), (int) gmdate( 'n' ), $building_id, $room_id ) ); ?>"
+						   class="button">
+							<?php esc_html_e( 'Today', 'wp-bnb' ); ?>
+						</a>
+						<a href="<?php echo esc_url( self::get_calendar_url( $next_year, $next_month, $building_id, $room_id ) ); ?>"
+						   class="button">
+							<?php esc_html_e( 'Next', 'wp-bnb' ); ?> &raquo;
+						</a>
+					</div>
+					<h2><?php echo esc_html( $month_name . ' ' . $year ); ?></h2>
+					<div></div>
+				</div>
+
+				<!-- Filters -->
+				<div class="bnb-calendar-filters">
+					<form method="get" action="">
+						<input type="hidden" name="page" value="wp-bnb-calendar">
+						<input type="hidden" name="year" value="<?php echo esc_attr( $year ); ?>">
+						<input type="hidden" name="month" value="<?php echo esc_attr( $month ); ?>">
+
+						<label>
+							<?php esc_html_e( 'Building:', 'wp-bnb' ); ?>
+							<select name="building_id" onchange="this.form.submit()">
+								<option value=""><?php esc_html_e( 'All Buildings', 'wp-bnb' ); ?></option>
+								<?php foreach ( $buildings as $building ) : ?>
+									<option value="<?php echo esc_attr( $building->ID ); ?>" <?php selected( $building_id, $building->ID ); ?>>
+										<?php echo esc_html( $building->post_title ); ?>
+									</option>
+								<?php endforeach; ?>
+							</select>
+						</label>
+
+						<label>
+							<?php esc_html_e( 'Room:', 'wp-bnb' ); ?>
+							<select name="room_id" onchange="this.form.submit()">
+								<option value=""><?php esc_html_e( 'All Rooms', 'wp-bnb' ); ?></option>
+								<?php foreach ( $rooms as $room ) : ?>
+									<?php
+									$room_building = Room::get_building( $room->ID );
+									$room_label    = $room->post_title;
+									if ( $room_building ) {
+										$room_label .= ' (' . $room_building->post_title . ')';
+									}
+									?>
+									<option value="<?php echo esc_attr( $room->ID ); ?>" <?php selected( $room_id, $room->ID ); ?>>
+										<?php echo esc_html( $room_label ); ?>
+									</option>
+								<?php endforeach; ?>
+							</select>
+						</label>
+					</form>
+				</div>
+
+				<!-- Calendar Grid -->
+				<div class="bnb-calendar-grid">
+					<?php if ( empty( $display_rooms ) ) : ?>
+						<div class="bnb-no-rooms">
+							<span class="dashicons dashicons-calendar-alt"></span>
+							<p><?php esc_html_e( 'No rooms found. Please add rooms first.', 'wp-bnb' ); ?></p>
+							<a href="<?php echo esc_url( admin_url( 'post-new.php?post_type=' . Room::POST_TYPE ) ); ?>" class="button button-primary">
+								<?php esc_html_e( 'Add Room', 'wp-bnb' ); ?>
+							</a>
+						</div>
+					<?php else : ?>
+						<?php self::render_calendar_table( $display_rooms, $year, $month, (bool) $room_id ); ?>
+					<?php endif; ?>
+				</div>
+
+				<!-- Legend -->
+				<div class="bnb-calendar-legend">
+					<div class="bnb-calendar-legend-item">
+						<span class="bnb-calendar-legend-color available"></span>
+						<?php esc_html_e( 'Available', 'wp-bnb' ); ?>
+					</div>
+					<div class="bnb-calendar-legend-item">
+						<span class="bnb-calendar-legend-color pending"></span>
+						<?php esc_html_e( 'Pending', 'wp-bnb' ); ?>
+					</div>
+					<div class="bnb-calendar-legend-item">
+						<span class="bnb-calendar-legend-color confirmed"></span>
+						<?php esc_html_e( 'Confirmed', 'wp-bnb' ); ?>
+					</div>
+					<div class="bnb-calendar-legend-item">
+						<span class="bnb-calendar-legend-color checked-in"></span>
+						<?php esc_html_e( 'Checked In', 'wp-bnb' ); ?>
+					</div>
+				</div>
+			</div>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Render the calendar table.
+	 *
+	 * @param array $rooms      Rooms to display.
+	 * @param int   $year       Year.
+	 * @param int   $month      Month.
+	 * @param bool  $single_room Whether showing single room (more detail).
+	 * @return void
+	 */
+	private static function render_calendar_table( array $rooms, int $year, int $month, bool $single_room = false ): void {
+		$days_in_month = (int) gmdate( 't', mktime( 0, 0, 0, $month, 1, $year ) );
+		$today         = gmdate( 'Y-m-d' );
+
+		$class = $single_room ? 'bnb-calendar-table bnb-calendar-single-room' : 'bnb-calendar-table';
+		?>
+		<table class="<?php echo esc_attr( $class ); ?>">
+			<thead>
+				<tr>
+					<th class="room-header"><?php esc_html_e( 'Room', 'wp-bnb' ); ?></th>
+					<?php for ( $day = 1; $day <= $days_in_month; $day++ ) : ?>
+						<?php
+						$date_str    = sprintf( '%04d-%02d-%02d', $year, $month, $day );
+						$day_of_week = gmdate( 'D', strtotime( $date_str ) );
+						$is_weekend  = in_array( gmdate( 'N', strtotime( $date_str ) ), array( 6, 7 ), true );
+						?>
+						<th class="<?php echo $is_weekend ? 'weekend' : ''; ?>">
+							<?php echo esc_html( $day ); ?><br>
+							<small><?php echo esc_html( $day_of_week ); ?></small>
+						</th>
+					<?php endfor; ?>
+				</tr>
+			</thead>
+			<tbody>
+				<?php foreach ( $rooms as $room ) : ?>
+					<?php
+					$room_number  = get_post_meta( $room->ID, '_bnb_room_room_number', true );
+					$booked_dates = Availability::get_booked_dates( $room->ID, $year, $month );
+					?>
+					<tr>
+						<td class="bnb-calendar-room">
+							<a href="<?php echo esc_url( get_edit_post_link( $room->ID ) ); ?>">
+								<?php echo esc_html( $room->post_title ); ?>
+							</a>
+							<?php if ( $room_number ) : ?>
+								<br><small>#<?php echo esc_html( $room_number ); ?></small>
+							<?php endif; ?>
+						</td>
+						<?php for ( $day = 1; $day <= $days_in_month; $day++ ) : ?>
+							<?php
+							$date_str  = sprintf( '%04d-%02d-%02d', $year, $month, $day );
+							$is_past   = $date_str < $today;
+							$is_today  = $date_str === $today;
+							$is_booked = isset( $booked_dates[ $date_str ] );
+
+							$classes = array( 'bnb-calendar-day' );
+							$title   = '';
+							$booking_id = 0;
+
+							if ( $is_past ) {
+								$classes[] = 'past';
+							}
+							if ( $is_today ) {
+								$classes[] = 'today';
+							}
+
+							if ( $is_booked ) {
+								$booking_data = $booked_dates[ $date_str ];
+								$booking_id   = $booking_data['booking_id'];
+								$classes[]    = 'booked';
+								$classes[]    = 'status-' . $booking_data['status'];
+
+								if ( $booking_data['is_start'] ) {
+									$classes[] = 'booked-start';
+								}
+								if ( $booking_data['is_end'] ) {
+									$classes[] = 'booked-end';
+								}
+
+								$title = sprintf(
+									/* translators: 1: Booking reference, 2: Guest name, 3: Check-in date, 4: Check-out date */
+									__( '%1$s - %2$s (%3$s to %4$s)', 'wp-bnb' ),
+									$booking_data['reference'],
+									$booking_data['guest'],
+									wp_date( get_option( 'date_format' ), strtotime( $booking_data['check_in'] ) ),
+									wp_date( get_option( 'date_format' ), strtotime( $booking_data['check_out'] ) )
+								);
+							} elseif ( ! $is_past ) {
+								$classes[] = 'available';
+							}
+							?>
+							<td class="<?php echo esc_attr( implode( ' ', $classes ) ); ?>"
+								<?php if ( $booking_id ) : ?>
+									data-booking-id="<?php echo esc_attr( $booking_id ); ?>"
+								<?php endif; ?>
+								<?php if ( $title ) : ?>
+									title="<?php echo esc_attr( $title ); ?>"
+								<?php endif; ?>>
+								<?php if ( $single_room && $is_booked && $booking_data['is_start'] ) : ?>
+									<span class="guest-name"><?php echo esc_html( $booking_data['guest'] ); ?></span>
+								<?php endif; ?>
+							</td>
+						<?php endfor; ?>
+					</tr>
+				<?php endforeach; ?>
+			</tbody>
+		</table>
+		<?php
+	}
+
+	/**
+	 * Get calendar URL with parameters.
+	 *
+	 * @param int $year        Year.
+	 * @param int $month       Month.
+	 * @param int $building_id Building ID (optional).
+	 * @param int $room_id     Room ID (optional).
+	 * @return string URL.
+	 */
+	private static function get_calendar_url( int $year, int $month, int $building_id = 0, int $room_id = 0 ): string {
+		$args = array(
+			'page'  => 'wp-bnb-calendar',
+			'year'  => $year,
+			'month' => $month,
+		);
+
+		if ( $building_id ) {
+			$args['building_id'] = $building_id;
+		}
+
+		if ( $room_id ) {
+			$args['room_id'] = $room_id;
+		}
+
+		return add_query_arg( $args, admin_url( 'admin.php' ) );
+	}
+}

src/Admin/Seasons.php

@@ -0,0 +1,419 @@
+<?php
+/**
+ * Seasons admin page.
+ *
+ * Handles the admin interface for managing seasonal pricing.
+ *
+ * @package Magdev\WpBnb\Admin
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Admin;
+
+use Magdev\WpBnb\Pricing\Season;
+
+/**
+ * Seasons admin page class.
+ */
+final class Seasons {
+
+	/**
+	 * Initialize the admin page.
+	 *
+	 * @return void
+	 */
+	public static function init(): void {
+		add_action( 'admin_menu', array( self::class, 'register_menu' ) );
+		add_action( 'admin_init', array( self::class, 'handle_actions' ) );
+	}
+
+	/**
+	 * Register the submenu page.
+	 *
+	 * @return void
+	 */
+	public static function register_menu(): void {
+		add_submenu_page(
+			'wp-bnb',
+			__( 'Seasons', 'wp-bnb' ),
+			__( 'Seasons', 'wp-bnb' ),
+			'manage_options',
+			'wp-bnb-seasons',
+			array( self::class, 'render_page' )
+		);
+	}
+
+	/**
+	 * Handle form actions.
+	 *
+	 * @return void
+	 */
+	public static function handle_actions(): void {
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Just checking page.
+		if ( ! isset( $_GET['page'] ) || 'wp-bnb-seasons' !== $_GET['page'] ) {
+			return;
+		}
+
+		// Handle delete action.
+		if ( isset( $_GET['action'], $_GET['season_id'], $_GET['_wpnonce'] )
+			&& 'delete' === $_GET['action']
+			&& wp_verify_nonce( sanitize_key( $_GET['_wpnonce'] ), 'delete_season' )
+		) {
+			$season_id = sanitize_text_field( wp_unslash( $_GET['season_id'] ) );
+			Season::delete( $season_id );
+
+			wp_safe_redirect( admin_url( 'admin.php?page=wp-bnb-seasons&deleted=1' ) );
+			exit;
+		}
+
+		// Handle create default seasons.
+		if ( isset( $_GET['action'], $_GET['_wpnonce'] )
+			&& 'create_defaults' === $_GET['action']
+			&& wp_verify_nonce( sanitize_key( $_GET['_wpnonce'] ), 'create_default_seasons' )
+		) {
+			Season::createDefaults();
+
+			wp_safe_redirect( admin_url( 'admin.php?page=wp-bnb-seasons&defaults_created=1' ) );
+			exit;
+		}
+
+		// Handle form submission.
+		if ( isset( $_POST['wp_bnb_season_nonce'] )
+			&& wp_verify_nonce( sanitize_key( $_POST['wp_bnb_season_nonce'] ), 'save_season' )
+		) {
+			self::save_season();
+		}
+	}
+
+	/**
+	 * Save a season from form data.
+	 *
+	 * @return void
+	 */
+	private static function save_season(): void {
+		$data = array(
+			'id'         => isset( $_POST['season_id'] ) && '' !== $_POST['season_id']
+				? sanitize_text_field( wp_unslash( $_POST['season_id'] ) )
+				: wp_generate_uuid4(),
+			'name'       => isset( $_POST['season_name'] )
+				? sanitize_text_field( wp_unslash( $_POST['season_name'] ) )
+				: '',
+			'start_date' => isset( $_POST['season_start_date'] )
+				? sanitize_text_field( wp_unslash( $_POST['season_start_date'] ) )
+				: '',
+			'end_date'   => isset( $_POST['season_end_date'] )
+				? sanitize_text_field( wp_unslash( $_POST['season_end_date'] ) )
+				: '',
+			'modifier'   => isset( $_POST['season_modifier'] )
+				? floatval( $_POST['season_modifier'] )
+				: 1.0,
+			'priority'   => isset( $_POST['season_priority'] )
+				? absint( $_POST['season_priority'] )
+				: 0,
+			'active'     => isset( $_POST['season_active'] ),
+		);
+
+		$season = new Season( $data );
+		Season::save( $season );
+
+		$is_edit = isset( $_POST['season_id'] ) && '' !== $_POST['season_id'];
+		$message = $is_edit ? 'updated' : 'created';
+
+		wp_safe_redirect( admin_url( 'admin.php?page=wp-bnb-seasons&' . $message . '=1' ) );
+		exit;
+	}
+
+	/**
+	 * Render the admin page.
+	 *
+	 * @return void
+	 */
+	public static function render_page(): void {
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Display only.
+		$action = isset( $_GET['action'] ) ? sanitize_key( $_GET['action'] ) : 'list';
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Display only.
+		$season_id = isset( $_GET['season_id'] ) ? sanitize_text_field( wp_unslash( $_GET['season_id'] ) ) : '';
+
+		?>
+		<div class="wrap">
+			<h1 class="wp-heading-inline"><?php esc_html_e( 'Seasonal Pricing', 'wp-bnb' ); ?></h1>
+
+			<?php if ( 'list' === $action || '' === $action ) : ?>
+				<a href="<?php echo esc_url( admin_url( 'admin.php?page=wp-bnb-seasons&action=add' ) ); ?>" class="page-title-action">
+					<?php esc_html_e( 'Add Season', 'wp-bnb' ); ?>
+				</a>
+			<?php endif; ?>
+
+			<hr class="wp-header-end">
+
+			<?php self::render_notices(); ?>
+
+			<?php
+			switch ( $action ) {
+				case 'add':
+					self::render_form();
+					break;
+				case 'edit':
+					self::render_form( $season_id );
+					break;
+				default:
+					self::render_list();
+					break;
+			}
+			?>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Render admin notices.
+	 *
+	 * @return void
+	 */
+	private static function render_notices(): void {
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Display only.
+		if ( isset( $_GET['deleted'] ) ) {
+			echo '<div class="notice notice-success is-dismissible"><p>' . esc_html__( 'Season deleted successfully.', 'wp-bnb' ) . '</p></div>';
+		}
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Display only.
+		if ( isset( $_GET['created'] ) ) {
+			echo '<div class="notice notice-success is-dismissible"><p>' . esc_html__( 'Season created successfully.', 'wp-bnb' ) . '</p></div>';
+		}
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Display only.
+		if ( isset( $_GET['updated'] ) ) {
+			echo '<div class="notice notice-success is-dismissible"><p>' . esc_html__( 'Season updated successfully.', 'wp-bnb' ) . '</p></div>';
+		}
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Display only.
+		if ( isset( $_GET['defaults_created'] ) ) {
+			echo '<div class="notice notice-success is-dismissible"><p>' . esc_html__( 'Default seasons created successfully.', 'wp-bnb' ) . '</p></div>';
+		}
+	}
+
+	/**
+	 * Render the seasons list.
+	 *
+	 * @return void
+	 */
+	private static function render_list(): void {
+		$seasons = Season::all();
+		?>
+		<div class="bnb-seasons-description">
+			<p><?php esc_html_e( 'Seasonal pricing allows you to automatically adjust room rates based on the time of year. Define seasons with date ranges and price modifiers.', 'wp-bnb' ); ?></p>
+			<p><?php esc_html_e( 'Seasons with higher priority take precedence when dates overlap (e.g., Winter Holidays overrides Low Season).', 'wp-bnb' ); ?></p>
+		</div>
+
+		<?php if ( empty( $seasons ) ) : ?>
+			<div class="bnb-no-seasons">
+				<p><?php esc_html_e( 'No seasons have been configured yet.', 'wp-bnb' ); ?></p>
+				<p>
+					<a href="<?php echo esc_url( admin_url( 'admin.php?page=wp-bnb-seasons&action=add' ) ); ?>" class="button button-primary">
+						<?php esc_html_e( 'Add Your First Season', 'wp-bnb' ); ?>
+					</a>
+					<a href="<?php echo esc_url( wp_nonce_url( admin_url( 'admin.php?page=wp-bnb-seasons&action=create_defaults' ), 'create_default_seasons' ) ); ?>" class="button">
+						<?php esc_html_e( 'Create Default Seasons', 'wp-bnb' ); ?>
+					</a>
+				</p>
+			</div>
+		<?php else : ?>
+			<table class="wp-list-table widefat fixed striped">
+				<thead>
+					<tr>
+						<th scope="col" class="column-name"><?php esc_html_e( 'Season Name', 'wp-bnb' ); ?></th>
+						<th scope="col" class="column-dates"><?php esc_html_e( 'Period', 'wp-bnb' ); ?></th>
+						<th scope="col" class="column-modifier"><?php esc_html_e( 'Price Modifier', 'wp-bnb' ); ?></th>
+						<th scope="col" class="column-priority"><?php esc_html_e( 'Priority', 'wp-bnb' ); ?></th>
+						<th scope="col" class="column-status"><?php esc_html_e( 'Status', 'wp-bnb' ); ?></th>
+					</tr>
+				</thead>
+				<tbody>
+					<?php foreach ( $seasons as $season ) : ?>
+						<tr>
+							<td class="column-name">
+								<strong>
+									<a href="<?php echo esc_url( admin_url( 'admin.php?page=wp-bnb-seasons&action=edit&season_id=' . $season->id ) ); ?>">
+										<?php echo esc_html( $season->name ); ?>
+									</a>
+								</strong>
+								<div class="row-actions">
+									<span class="edit">
+										<a href="<?php echo esc_url( admin_url( 'admin.php?page=wp-bnb-seasons&action=edit&season_id=' . $season->id ) ); ?>">
+											<?php esc_html_e( 'Edit', 'wp-bnb' ); ?>
+										</a> |
+									</span>
+									<span class="delete">
+										<a href="<?php echo esc_url( wp_nonce_url( admin_url( 'admin.php?page=wp-bnb-seasons&action=delete&season_id=' . $season->id ), 'delete_season' ) ); ?>"
+										   class="submitdelete"
+										   onclick="return confirm('<?php esc_attr_e( 'Are you sure you want to delete this season?', 'wp-bnb' ); ?>');">
+											<?php esc_html_e( 'Delete', 'wp-bnb' ); ?>
+										</a>
+									</span>
+								</div>
+							</td>
+							<td class="column-dates">
+								<?php echo esc_html( self::format_date_range( $season->start_date, $season->end_date ) ); ?>
+							</td>
+							<td class="column-modifier">
+								<?php echo esc_html( $season->getModifierLabel() ); ?>
+								<?php if ( $season->modifier !== 1.0 ) : ?>
+									<span class="bnb-modifier-visual" style="color: <?php echo $season->modifier > 1 ? '#d63638' : '#00a32a'; ?>;">
+										(<?php echo esc_html( number_format( $season->modifier, 2 ) ); ?>x)
+									</span>
+								<?php endif; ?>
+							</td>
+							<td class="column-priority">
+								<?php echo esc_html( $season->priority ); ?>
+							</td>
+							<td class="column-status">
+								<?php if ( $season->active ) : ?>
+									<span class="bnb-status-active"><?php esc_html_e( 'Active', 'wp-bnb' ); ?></span>
+								<?php else : ?>
+									<span class="bnb-status-inactive"><?php esc_html_e( 'Inactive', 'wp-bnb' ); ?></span>
+								<?php endif; ?>
+							</td>
+						</tr>
+					<?php endforeach; ?>
+				</tbody>
+			</table>
+		<?php endif; ?>
+		<?php
+	}
+
+	/**
+	 * Render the season form.
+	 *
+	 * @param string $season_id Season ID for editing, empty for new.
+	 * @return void
+	 */
+	private static function render_form( string $season_id = '' ): void {
+		$season  = $season_id ? Season::find( $season_id ) : null;
+		$is_edit = null !== $season;
+
+		if ( $season_id && ! $season ) {
+			echo '<div class="notice notice-error"><p>' . esc_html__( 'Season not found.', 'wp-bnb' ) . '</p></div>';
+			return;
+		}
+		?>
+		<form method="post" action="" class="bnb-season-form">
+			<?php wp_nonce_field( 'save_season', 'wp_bnb_season_nonce' ); ?>
+			<input type="hidden" name="season_id" value="<?php echo esc_attr( $season ? $season->id : '' ); ?>">
+
+			<table class="form-table" role="presentation">
+				<tr>
+					<th scope="row">
+						<label for="season_name"><?php esc_html_e( 'Season Name', 'wp-bnb' ); ?></label>
+					</th>
+					<td>
+						<input type="text" name="season_name" id="season_name"
+							   value="<?php echo esc_attr( $season ? $season->name : '' ); ?>"
+							   class="regular-text" required>
+						<p class="description"><?php esc_html_e( 'A descriptive name for this season (e.g., "High Season", "Winter Holidays").', 'wp-bnb' ); ?></p>
+					</td>
+				</tr>
+				<tr>
+					<th scope="row">
+						<label for="season_start_date"><?php esc_html_e( 'Start Date', 'wp-bnb' ); ?></label>
+					</th>
+					<td>
+						<input type="text" name="season_start_date" id="season_start_date"
+							   value="<?php echo esc_attr( $season ? $season->start_date : '' ); ?>"
+							   class="small-text" placeholder="MM-DD" pattern="\d{2}-\d{2}" required>
+						<p class="description"><?php esc_html_e( 'Format: MM-DD (e.g., 06-15 for June 15th). Seasons repeat annually.', 'wp-bnb' ); ?></p>
+					</td>
+				</tr>
+				<tr>
+					<th scope="row">
+						<label for="season_end_date"><?php esc_html_e( 'End Date', 'wp-bnb' ); ?></label>
+					</th>
+					<td>
+						<input type="text" name="season_end_date" id="season_end_date"
+							   value="<?php echo esc_attr( $season ? $season->end_date : '' ); ?>"
+							   class="small-text" placeholder="MM-DD" pattern="\d{2}-\d{2}" required>
+						<p class="description"><?php esc_html_e( 'Format: MM-DD. Seasons can span year boundaries (e.g., 12-20 to 01-06).', 'wp-bnb' ); ?></p>
+					</td>
+				</tr>
+				<tr>
+					<th scope="row">
+						<label for="season_modifier"><?php esc_html_e( 'Price Modifier', 'wp-bnb' ); ?></label>
+					</th>
+					<td>
+						<input type="number" name="season_modifier" id="season_modifier"
+							   value="<?php echo esc_attr( $season ? $season->modifier : '1.00' ); ?>"
+							   class="small-text" min="0.1" max="3" step="0.01" required>
+						<p class="description">
+							<?php esc_html_e( 'Multiplier for base prices. Examples:', 'wp-bnb' ); ?><br>
+							<?php esc_html_e( '1.00 = Normal price | 1.25 = 25% increase | 0.85 = 15% discount', 'wp-bnb' ); ?>
+						</p>
+					</td>
+				</tr>
+				<tr>
+					<th scope="row">
+						<label for="season_priority"><?php esc_html_e( 'Priority', 'wp-bnb' ); ?></label>
+					</th>
+					<td>
+						<input type="number" name="season_priority" id="season_priority"
+							   value="<?php echo esc_attr( $season ? $season->priority : '10' ); ?>"
+							   class="small-text" min="0" max="100">
+						<p class="description"><?php esc_html_e( 'Higher priority seasons take precedence when dates overlap.', 'wp-bnb' ); ?></p>
+					</td>
+				</tr>
+				<tr>
+					<th scope="row"><?php esc_html_e( 'Status', 'wp-bnb' ); ?></th>
+					<td>
+						<label>
+							<input type="checkbox" name="season_active" value="1"
+								<?php checked( $season ? $season->active : true ); ?>>
+							<?php esc_html_e( 'Active', 'wp-bnb' ); ?>
+						</label>
+						<p class="description"><?php esc_html_e( 'Inactive seasons are ignored in price calculations.', 'wp-bnb' ); ?></p>
+					</td>
+				</tr>
+			</table>
+
+			<p class="submit">
+				<input type="submit" name="submit" class="button button-primary"
+					   value="<?php echo $is_edit ? esc_attr__( 'Update Season', 'wp-bnb' ) : esc_attr__( 'Add Season', 'wp-bnb' ); ?>">
+				<a href="<?php echo esc_url( admin_url( 'admin.php?page=wp-bnb-seasons' ) ); ?>" class="button">
+					<?php esc_html_e( 'Cancel', 'wp-bnb' ); ?>
+				</a>
+			</p>
+		</form>
+		<?php
+	}
+
+	/**
+	 * Format a date range for display.
+	 *
+	 * @param string $start Start date (MM-DD).
+	 * @param string $end   End date (MM-DD).
+	 * @return string
+	 */
+	private static function format_date_range( string $start, string $end ): string {
+		$months = array(
+			'01' => __( 'Jan', 'wp-bnb' ),
+			'02' => __( 'Feb', 'wp-bnb' ),
+			'03' => __( 'Mar', 'wp-bnb' ),
+			'04' => __( 'Apr', 'wp-bnb' ),
+			'05' => __( 'May', 'wp-bnb' ),
+			'06' => __( 'Jun', 'wp-bnb' ),
+			'07' => __( 'Jul', 'wp-bnb' ),
+			'08' => __( 'Aug', 'wp-bnb' ),
+			'09' => __( 'Sep', 'wp-bnb' ),
+			'10' => __( 'Oct', 'wp-bnb' ),
+			'11' => __( 'Nov', 'wp-bnb' ),
+			'12' => __( 'Dec', 'wp-bnb' ),
+		);
+
+		$format_date = function ( string $date ) use ( $months ): string {
+			$parts = explode( '-', $date );
+			if ( count( $parts ) !== 2 ) {
+				return $date;
+			}
+			$month = $months[ $parts[0] ] ?? $parts[0];
+			$day   = ltrim( $parts[1], '0' );
+			return $month . ' ' . $day;
+		};
+
+		return $format_date( $start ) . ' - ' . $format_date( $end );
+	}
+}

src/Booking/Availability.php

@@ -0,0 +1,444 @@
+<?php
+/**
+ * Availability checker.
+ *
+ * Handles availability checks and calendar data for rooms and bookings.
+ *
+ * @package Magdev\WpBnb\Booking
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Booking;
+
+use Magdev\WpBnb\PostTypes\Booking;
+use Magdev\WpBnb\PostTypes\Room;
+use Magdev\WpBnb\Pricing\Calculator;
+
+/**
+ * Availability class.
+ */
+final class Availability {
+
+	/**
+	 * Check if a room is available for a date range.
+	 *
+	 * @param int      $room_id        Room post ID.
+	 * @param string   $check_in       Check-in date (Y-m-d).
+	 * @param string   $check_out      Check-out date (Y-m-d).
+	 * @param int|null $exclude_booking Booking ID to exclude (for editing).
+	 * @return bool True if available, false if conflicts exist.
+	 */
+	public static function is_available( int $room_id, string $check_in, string $check_out, ?int $exclude_booking = null ): bool {
+		return ! Booking::has_conflict( $room_id, $check_in, $check_out, $exclude_booking );
+	}
+
+	/**
+	 * Get all booked dates for a room in a specific month.
+	 *
+	 * @param int $room_id Room post ID.
+	 * @param int $year    Year (e.g., 2024).
+	 * @param int $month   Month (1-12).
+	 * @return array<string, array> Array of dates (Y-m-d) with booking info.
+	 */
+	public static function get_booked_dates( int $room_id, int $year, int $month ): array {
+		$month_start = sprintf( '%04d-%02d-01', $year, $month );
+		$month_end   = gmdate( 'Y-m-t', strtotime( $month_start ) );
+
+		$bookings = get_posts(
+			array(
+				'post_type'      => Booking::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => -1,
+				'meta_query'     => array(
+					'relation' => 'AND',
+					array(
+						'key'   => '_bnb_booking_room_id',
+						'value' => $room_id,
+					),
+					array(
+						'key'     => '_bnb_booking_status',
+						'value'   => 'cancelled',
+						'compare' => '!=',
+					),
+					// Booking overlaps with month.
+					array(
+						'key'     => '_bnb_booking_check_in',
+						'value'   => $month_end,
+						'compare' => '<=',
+						'type'    => 'DATE',
+					),
+					array(
+						'key'     => '_bnb_booking_check_out',
+						'value'   => $month_start,
+						'compare' => '>=',
+						'type'    => 'DATE',
+					),
+				),
+			)
+		);
+
+		$booked_dates = array();
+
+		foreach ( $bookings as $booking ) {
+			$check_in  = get_post_meta( $booking->ID, '_bnb_booking_check_in', true );
+			$check_out = get_post_meta( $booking->ID, '_bnb_booking_check_out', true );
+			$status    = get_post_meta( $booking->ID, '_bnb_booking_status', true );
+			$guest     = get_post_meta( $booking->ID, '_bnb_booking_guest_name', true );
+
+			// Iterate through each night of the booking.
+			$current = new \DateTimeImmutable( $check_in );
+			$end     = new \DateTimeImmutable( $check_out );
+
+			while ( $current < $end ) {
+				$date_str = $current->format( 'Y-m-d' );
+
+				// Only include dates within the requested month.
+				if ( $current->format( 'Y-m' ) === sprintf( '%04d-%02d', $year, $month ) ) {
+					$booked_dates[ $date_str ] = array(
+						'booking_id' => $booking->ID,
+						'reference'  => $booking->post_title,
+						'guest'      => $guest,
+						'status'     => $status,
+						'check_in'   => $check_in,
+						'check_out'  => $check_out,
+						'is_start'   => $date_str === $check_in,
+						'is_end'     => $current->modify( '+1 day' )->format( 'Y-m-d' ) === $check_out,
+					);
+				}
+
+				$current = $current->modify( '+1 day' );
+			}
+		}
+
+		return $booked_dates;
+	}
+
+	/**
+	 * Get calendar data for a room for a specific month.
+	 *
+	 * @param int $room_id Room post ID.
+	 * @param int $year    Year.
+	 * @param int $month   Month (1-12).
+	 * @return array Calendar data including days and bookings.
+	 */
+	public static function get_calendar_data( int $room_id, int $year, int $month ): array {
+		$month_start  = new \DateTimeImmutable( sprintf( '%04d-%02d-01', $year, $month ) );
+		$days_in_month = (int) $month_start->format( 't' );
+		$first_day_of_week = (int) $month_start->format( 'w' ); // 0 = Sunday.
+
+		$booked_dates = self::get_booked_dates( $room_id, $year, $month );
+		$today        = gmdate( 'Y-m-d' );
+
+		$days = array();
+		for ( $day = 1; $day <= $days_in_month; $day++ ) {
+			$date_str = sprintf( '%04d-%02d-%02d', $year, $month, $day );
+			$is_booked = isset( $booked_dates[ $date_str ] );
+
+			$days[ $day ] = array(
+				'date'      => $date_str,
+				'day'       => $day,
+				'is_booked' => $is_booked,
+				'is_past'   => $date_str < $today,
+				'is_today'  => $date_str === $today,
+				'booking'   => $is_booked ? $booked_dates[ $date_str ] : null,
+			);
+		}
+
+		return array(
+			'room_id'           => $room_id,
+			'year'              => $year,
+			'month'             => $month,
+			'month_name'        => $month_start->format( 'F' ),
+			'days_in_month'     => $days_in_month,
+			'first_day_of_week' => $first_day_of_week,
+			'days'              => $days,
+			'prev_month'        => array(
+				'year'  => $month === 1 ? $year - 1 : $year,
+				'month' => $month === 1 ? 12 : $month - 1,
+			),
+			'next_month'        => array(
+				'year'  => $month === 12 ? $year + 1 : $year,
+				'month' => $month === 12 ? 1 : $month + 1,
+			),
+		);
+	}
+
+	/**
+	 * Get availability summary for a building (all rooms).
+	 *
+	 * @param int $building_id Building post ID.
+	 * @param int $year        Year.
+	 * @param int $month       Month (1-12).
+	 * @return array Availability data for all rooms in the building.
+	 */
+	public static function get_building_availability( int $building_id, int $year, int $month ): array {
+		$rooms = Room::get_rooms_for_building( $building_id );
+		$data  = array();
+
+		foreach ( $rooms as $room ) {
+			$room_number = get_post_meta( $room->ID, '_bnb_room_room_number', true );
+			$data[ $room->ID ] = array(
+				'room_id'     => $room->ID,
+				'room_name'   => $room->post_title,
+				'room_number' => $room_number,
+				'calendar'    => self::get_calendar_data( $room->ID, $year, $month ),
+			);
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Get conflicts for a proposed booking.
+	 *
+	 * @param int      $room_id        Room post ID.
+	 * @param string   $check_in       Check-in date (Y-m-d).
+	 * @param string   $check_out      Check-out date (Y-m-d).
+	 * @param int|null $exclude_booking Booking ID to exclude.
+	 * @return array<\WP_Post> Array of conflicting booking posts.
+	 */
+	public static function get_conflicts( int $room_id, string $check_in, string $check_out, ?int $exclude_booking = null ): array {
+		$args = array(
+			'post_type'      => Booking::POST_TYPE,
+			'post_status'    => 'publish',
+			'posts_per_page' => -1,
+			'meta_query'     => array(
+				'relation' => 'AND',
+				array(
+					'key'   => '_bnb_booking_room_id',
+					'value' => $room_id,
+				),
+				array(
+					'key'     => '_bnb_booking_status',
+					'value'   => 'cancelled',
+					'compare' => '!=',
+				),
+				array(
+					'key'     => '_bnb_booking_check_in',
+					'value'   => $check_out,
+					'compare' => '<',
+					'type'    => 'DATE',
+				),
+				array(
+					'key'     => '_bnb_booking_check_out',
+					'value'   => $check_in,
+					'compare' => '>',
+					'type'    => 'DATE',
+				),
+			),
+		);
+
+		if ( $exclude_booking ) {
+			$args['post__not_in'] = array( $exclude_booking );
+		}
+
+		return get_posts( $args );
+	}
+
+	/**
+	 * Get availability check result with pricing.
+	 *
+	 * @param int      $room_id        Room post ID.
+	 * @param string   $check_in       Check-in date (Y-m-d).
+	 * @param string   $check_out      Check-out date (Y-m-d).
+	 * @param int|null $exclude_booking Booking ID to exclude.
+	 * @return array Result with availability, pricing, and conflicts.
+	 */
+	public static function check_availability_with_price( int $room_id, string $check_in, string $check_out, ?int $exclude_booking = null ): array {
+		$conflicts = self::get_conflicts( $room_id, $check_in, $check_out, $exclude_booking );
+		$available = empty( $conflicts );
+
+		$result = array(
+			'available' => $available,
+			'room_id'   => $room_id,
+			'check_in'  => $check_in,
+			'check_out' => $check_out,
+			'nights'    => Booking::calculate_nights( $check_in, $check_out ),
+			'conflicts' => array(),
+		);
+
+		if ( ! $available ) {
+			foreach ( $conflicts as $conflict ) {
+				$result['conflicts'][] = array(
+					'booking_id' => $conflict->ID,
+					'reference'  => $conflict->post_title,
+					'check_in'   => get_post_meta( $conflict->ID, '_bnb_booking_check_in', true ),
+					'check_out'  => get_post_meta( $conflict->ID, '_bnb_booking_check_out', true ),
+				);
+			}
+		}
+
+		// Calculate price if available.
+		if ( $available ) {
+			try {
+				$calculator = new Calculator( $room_id, $check_in, $check_out );
+				$price      = $calculator->calculate();
+				$breakdown  = $calculator->getBreakdown();
+
+				$result['price']           = $price;
+				$result['price_formatted'] = Calculator::formatPrice( $price );
+				$result['breakdown']       = $breakdown;
+			} catch ( \Exception $e ) {
+				$result['price']           = null;
+				$result['price_formatted'] = null;
+				$result['price_error']     = $e->getMessage();
+			}
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Get upcoming bookings for a room.
+	 *
+	 * @param int $room_id Room post ID.
+	 * @param int $limit   Maximum number of bookings to return.
+	 * @return array<\WP_Post> Array of upcoming bookings.
+	 */
+	public static function get_upcoming_bookings( int $room_id, int $limit = 5 ): array {
+		$today = gmdate( 'Y-m-d' );
+
+		return get_posts(
+			array(
+				'post_type'      => Booking::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => $limit,
+				'meta_query'     => array(
+					'relation' => 'AND',
+					array(
+						'key'   => '_bnb_booking_room_id',
+						'value' => $room_id,
+					),
+					array(
+						'key'     => '_bnb_booking_status',
+						'value'   => array( 'pending', 'confirmed' ),
+						'compare' => 'IN',
+					),
+					array(
+						'key'     => '_bnb_booking_check_in',
+						'value'   => $today,
+						'compare' => '>=',
+						'type'    => 'DATE',
+					),
+				),
+				'orderby'        => 'meta_value',
+				'meta_key'       => '_bnb_booking_check_in',
+				'order'          => 'ASC',
+			)
+		);
+	}
+
+	/**
+	 * Get current bookings (guests currently checked in).
+	 *
+	 * @param int|null $room_id Optional room ID to filter by.
+	 * @return array<\WP_Post> Array of current bookings.
+	 */
+	public static function get_current_bookings( ?int $room_id = null ): array {
+		$today = gmdate( 'Y-m-d' );
+
+		$meta_query = array(
+			'relation' => 'AND',
+			array(
+				'key'     => '_bnb_booking_status',
+				'value'   => 'checked_in',
+			),
+			array(
+				'key'     => '_bnb_booking_check_in',
+				'value'   => $today,
+				'compare' => '<=',
+				'type'    => 'DATE',
+			),
+			array(
+				'key'     => '_bnb_booking_check_out',
+				'value'   => $today,
+				'compare' => '>',
+				'type'    => 'DATE',
+			),
+		);
+
+		if ( $room_id ) {
+			$meta_query[] = array(
+				'key'   => '_bnb_booking_room_id',
+				'value' => $room_id,
+			);
+		}
+
+		return get_posts(
+			array(
+				'post_type'      => Booking::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => -1,
+				'meta_query'     => $meta_query,
+				'orderby'        => 'meta_value',
+				'meta_key'       => '_bnb_booking_check_out',
+				'order'          => 'ASC',
+			)
+		);
+	}
+
+	/**
+	 * Get today's check-ins.
+	 *
+	 * @return array<\WP_Post> Array of bookings with check-in today.
+	 */
+	public static function get_todays_checkins(): array {
+		$today = gmdate( 'Y-m-d' );
+
+		return get_posts(
+			array(
+				'post_type'      => Booking::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => -1,
+				'meta_query'     => array(
+					'relation' => 'AND',
+					array(
+						'key'     => '_bnb_booking_status',
+						'value'   => 'confirmed',
+					),
+					array(
+						'key'   => '_bnb_booking_check_in',
+						'value' => $today,
+						'type'  => 'DATE',
+					),
+				),
+				'orderby'        => 'meta_value',
+				'meta_key'       => '_bnb_booking_guest_name',
+				'order'          => 'ASC',
+			)
+		);
+	}
+
+	/**
+	 * Get today's check-outs.
+	 *
+	 * @return array<\WP_Post> Array of bookings with check-out today.
+	 */
+	public static function get_todays_checkouts(): array {
+		$today = gmdate( 'Y-m-d' );
+
+		return get_posts(
+			array(
+				'post_type'      => Booking::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => -1,
+				'meta_query'     => array(
+					'relation' => 'AND',
+					array(
+						'key'     => '_bnb_booking_status',
+						'value'   => 'checked_in',
+					),
+					array(
+						'key'   => '_bnb_booking_check_out',
+						'value' => $today,
+						'type'  => 'DATE',
+					),
+				),
+				'orderby'        => 'meta_value',
+				'meta_key'       => '_bnb_booking_guest_name',
+				'order'          => 'ASC',
+			)
+		);
+	}
+}

src/Booking/EmailNotifier.php

@@ -0,0 +1,587 @@
+<?php
+/**
+ * Email notifier for bookings.
+ *
+ * Handles sending email notifications for booking events.
+ *
+ * @package Magdev\WpBnb\Booking
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Booking;
+
+use Magdev\WpBnb\PostTypes\Booking;
+use Magdev\WpBnb\PostTypes\Room;
+use Magdev\WpBnb\Pricing\Calculator;
+
+/**
+ * EmailNotifier class.
+ */
+final class EmailNotifier {
+
+	/**
+	 * Initialize the email notifier.
+	 *
+	 * @return void
+	 */
+	public static function init(): void {
+		add_action( 'wp_bnb_booking_status_changed', array( self::class, 'on_status_change' ), 10, 3 );
+		add_action( 'save_post_' . Booking::POST_TYPE, array( self::class, 'on_booking_created' ), 20, 2 );
+	}
+
+	/**
+	 * Handle status change event.
+	 *
+	 * @param int    $booking_id Booking post ID.
+	 * @param string $old_status Previous status.
+	 * @param string $new_status New status.
+	 * @return void
+	 */
+	public static function on_status_change( int $booking_id, string $old_status, string $new_status ): void {
+		switch ( $new_status ) {
+			case 'confirmed':
+				self::send_guest_confirmation( $booking_id );
+				self::send_admin_confirmation( $booking_id );
+				break;
+
+			case 'cancelled':
+				self::send_cancellation( $booking_id );
+				break;
+		}
+	}
+
+	/**
+	 * Handle booking created event.
+	 *
+	 * @param int      $post_id Post ID.
+	 * @param \WP_Post $post    Post object.
+	 * @return void
+	 */
+	public static function on_booking_created( int $post_id, \WP_Post $post ): void {
+		// Skip if autosave or revision.
+		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
+			return;
+		}
+
+		if ( wp_is_post_revision( $post_id ) ) {
+			return;
+		}
+
+		// Check if this is a new booking (created in the last 30 seconds).
+		$created = get_post_time( 'U', true, $post_id );
+		if ( time() - $created > 30 ) {
+			return;
+		}
+
+		// Check if we've already sent this notification.
+		$sent = get_post_meta( $post_id, '_bnb_booking_new_email_sent', true );
+		if ( $sent ) {
+			return;
+		}
+
+		// Mark as sent before sending to prevent duplicates.
+		update_post_meta( $post_id, '_bnb_booking_new_email_sent', '1' );
+
+		// Send admin notification for new booking.
+		self::send_admin_new_booking( $post_id );
+	}
+
+	/**
+	 * Send new booking notification to admin.
+	 *
+	 * @param int $booking_id Booking post ID.
+	 * @return bool Whether email was sent.
+	 */
+	public static function send_admin_new_booking( int $booking_id ): bool {
+		$booking = get_post( $booking_id );
+		if ( ! $booking ) {
+			return false;
+		}
+
+		$data    = self::get_booking_data( $booking_id );
+		$to      = get_option( 'admin_email' );
+		$subject = sprintf(
+			/* translators: 1: Site name, 2: Booking reference */
+			__( '[%1$s] New Booking: %2$s', 'wp-bnb' ),
+			get_bloginfo( 'name' ),
+			$data['booking_reference']
+		);
+
+		$message = self::get_email_template( 'admin-new-booking', $data );
+
+		return self::send_email( $to, $subject, $message );
+	}
+
+	/**
+	 * Send confirmation email to guest.
+	 *
+	 * @param int $booking_id Booking post ID.
+	 * @return bool Whether email was sent.
+	 */
+	public static function send_guest_confirmation( int $booking_id ): bool {
+		$data = self::get_booking_data( $booking_id );
+
+		if ( empty( $data['guest_email'] ) ) {
+			return false;
+		}
+
+		$subject = sprintf(
+			/* translators: 1: Site name, 2: Booking reference */
+			__( '[%1$s] Booking Confirmed: %2$s', 'wp-bnb' ),
+			get_bloginfo( 'name' ),
+			$data['booking_reference']
+		);
+
+		$message = self::get_email_template( 'booking-confirmed', $data );
+
+		return self::send_email( $data['guest_email'], $subject, $message );
+	}
+
+	/**
+	 * Send confirmation notification to admin.
+	 *
+	 * @param int $booking_id Booking post ID.
+	 * @return bool Whether email was sent.
+	 */
+	public static function send_admin_confirmation( int $booking_id ): bool {
+		$data    = self::get_booking_data( $booking_id );
+		$to      = get_option( 'admin_email' );
+		$subject = sprintf(
+			/* translators: 1: Site name, 2: Booking reference */
+			__( '[%1$s] Booking Confirmed: %2$s', 'wp-bnb' ),
+			get_bloginfo( 'name' ),
+			$data['booking_reference']
+		);
+
+		$message = self::get_email_template( 'admin-booking-confirmed', $data );
+
+		return self::send_email( $to, $subject, $message );
+	}
+
+	/**
+	 * Send cancellation email.
+	 *
+	 * @param int $booking_id Booking post ID.
+	 * @return bool Whether emails were sent.
+	 */
+	public static function send_cancellation( int $booking_id ): bool {
+		$data   = self::get_booking_data( $booking_id );
+		$result = true;
+
+		// Send to admin.
+		$admin_subject = sprintf(
+			/* translators: 1: Site name, 2: Booking reference */
+			__( '[%1$s] Booking Cancelled: %2$s', 'wp-bnb' ),
+			get_bloginfo( 'name' ),
+			$data['booking_reference']
+		);
+
+		$admin_message = self::get_email_template( 'admin-booking-cancelled', $data );
+		$result        = self::send_email( get_option( 'admin_email' ), $admin_subject, $admin_message ) && $result;
+
+		// Send to guest if email exists.
+		if ( ! empty( $data['guest_email'] ) ) {
+			$guest_subject = sprintf(
+				/* translators: 1: Site name, 2: Booking reference */
+				__( '[%1$s] Booking Cancelled: %2$s', 'wp-bnb' ),
+				get_bloginfo( 'name' ),
+				$data['booking_reference']
+			);
+
+			$guest_message = self::get_email_template( 'booking-cancelled', $data );
+			$result        = self::send_email( $data['guest_email'], $guest_subject, $guest_message ) && $result;
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Get booking data for email templates.
+	 *
+	 * @param int $booking_id Booking post ID.
+	 * @return array Booking data.
+	 */
+	private static function get_booking_data( int $booking_id ): array {
+		$booking = get_post( $booking_id );
+		$room    = Booking::get_room( $booking_id );
+		$building = Booking::get_building( $booking_id );
+
+		$check_in  = get_post_meta( $booking_id, '_bnb_booking_check_in', true );
+		$check_out = get_post_meta( $booking_id, '_bnb_booking_check_out', true );
+		$status    = get_post_meta( $booking_id, '_bnb_booking_status', true );
+		$price     = get_post_meta( $booking_id, '_bnb_booking_calculated_price', true );
+		$adults    = get_post_meta( $booking_id, '_bnb_booking_adults', true );
+		$children  = get_post_meta( $booking_id, '_bnb_booking_children', true );
+
+		$nights = 0;
+		if ( $check_in && $check_out ) {
+			$nights = Booking::calculate_nights( $check_in, $check_out );
+		}
+
+		$statuses = Booking::get_booking_statuses();
+
+		return array(
+			'booking_id'        => $booking_id,
+			'booking_reference' => $booking ? $booking->post_title : '',
+			'guest_name'        => get_post_meta( $booking_id, '_bnb_booking_guest_name', true ),
+			'guest_email'       => get_post_meta( $booking_id, '_bnb_booking_guest_email', true ),
+			'guest_phone'       => get_post_meta( $booking_id, '_bnb_booking_guest_phone', true ),
+			'guest_notes'       => get_post_meta( $booking_id, '_bnb_booking_guest_notes', true ),
+			'adults'            => $adults ?: 1,
+			'children'          => $children ?: 0,
+			'room_name'         => $room ? $room->post_title : '',
+			'room_id'           => $room ? $room->ID : 0,
+			'building_name'     => $building ? $building->post_title : '',
+			'building_id'       => $building ? $building->ID : 0,
+			'check_in_date'     => $check_in ? wp_date( get_option( 'date_format' ), strtotime( $check_in ) ) : '',
+			'check_out_date'    => $check_out ? wp_date( get_option( 'date_format' ), strtotime( $check_out ) ) : '',
+			'check_in_raw'      => $check_in,
+			'check_out_raw'     => $check_out,
+			'nights'            => $nights,
+			'total_price'       => $price ? Calculator::formatPrice( (float) $price ) : '',
+			'status'            => $statuses[ $status ] ?? $status,
+			'status_raw'        => $status,
+			'site_name'         => get_bloginfo( 'name' ),
+			'site_url'          => home_url(),
+			'admin_email'       => get_option( 'admin_email' ),
+			'booking_url'       => admin_url( 'post.php?post=' . $booking_id . '&action=edit' ),
+		);
+	}
+
+	/**
+	 * Get email template with placeholders replaced.
+	 *
+	 * @param string $template_name Template name.
+	 * @param array  $data          Template data.
+	 * @return string HTML email content.
+	 */
+	private static function get_email_template( string $template_name, array $data ): string {
+		$template = self::get_template_content( $template_name );
+
+		// Replace placeholders.
+		foreach ( $data as $key => $value ) {
+			$template = str_replace( '{' . $key . '}', (string) $value, $template );
+		}
+
+		return $template;
+	}
+
+	/**
+	 * Get template content.
+	 *
+	 * @param string $template_name Template name.
+	 * @return string Template HTML.
+	 */
+	private static function get_template_content( string $template_name ): string {
+		// Built-in templates. Could be extended to load from files.
+		$templates = array(
+			'admin-new-booking'       => self::template_admin_new_booking(),
+			'booking-confirmed'       => self::template_booking_confirmed(),
+			'admin-booking-confirmed' => self::template_admin_booking_confirmed(),
+			'booking-cancelled'       => self::template_booking_cancelled(),
+			'admin-booking-cancelled' => self::template_admin_booking_cancelled(),
+		);
+
+		return $templates[ $template_name ] ?? '';
+	}
+
+	/**
+	 * Send HTML email.
+	 *
+	 * @param string $to      Recipient email.
+	 * @param string $subject Email subject.
+	 * @param string $message HTML message.
+	 * @return bool Whether email was sent.
+	 */
+	private static function send_email( string $to, string $subject, string $message ): bool {
+		$headers = array(
+			'Content-Type: text/html; charset=UTF-8',
+			'From: ' . get_bloginfo( 'name' ) . ' <' . get_option( 'admin_email' ) . '>',
+		);
+
+		/**
+		 * Filter email recipients.
+		 *
+		 * @param string $to         Recipient email.
+		 * @param string $subject    Email subject.
+		 * @param string $message    Email message.
+		 */
+		$to = apply_filters( 'wp_bnb_booking_email_recipients', $to, $subject, $message );
+
+		/**
+		 * Filter email subject.
+		 *
+		 * @param string $subject Email subject.
+		 */
+		$subject = apply_filters( 'wp_bnb_booking_email_subject', $subject );
+
+		/**
+		 * Filter email content.
+		 *
+		 * @param string $message Email message.
+		 */
+		$message = apply_filters( 'wp_bnb_booking_email_content', $message );
+
+		return wp_mail( $to, $subject, $message, $headers );
+	}
+
+	/**
+	 * Get base email styles.
+	 *
+	 * @return string CSS styles.
+	 */
+	private static function get_email_styles(): string {
+		return '
+			body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; font-size: 14px; line-height: 1.6; color: #333; }
+			.email-container { max-width: 600px; margin: 0 auto; padding: 20px; }
+			.email-header { background: #135e96; color: #fff; padding: 20px; text-align: center; }
+			.email-header h1 { margin: 0; font-size: 24px; }
+			.email-body { background: #fff; padding: 30px; border: 1px solid #ddd; }
+			.email-footer { padding: 20px; text-align: center; font-size: 12px; color: #666; }
+			.booking-details { background: #f9f9f9; padding: 15px; margin: 20px 0; border-left: 4px solid #135e96; }
+			.booking-details h3 { margin-top: 0; color: #135e96; }
+			.detail-row { margin: 8px 0; }
+			.detail-label { font-weight: 600; display: inline-block; min-width: 120px; }
+			.btn { display: inline-block; padding: 10px 20px; background: #135e96; color: #fff; text-decoration: none; border-radius: 4px; margin-top: 15px; }
+			.status-badge { display: inline-block; padding: 4px 10px; border-radius: 3px; font-size: 12px; font-weight: 600; text-transform: uppercase; }
+			.status-pending { background: #dba617; color: #fff; }
+			.status-confirmed { background: #00a32a; color: #fff; }
+			.status-cancelled { background: #d63638; color: #fff; }
+		';
+	}
+
+	/**
+	 * Template: Admin new booking notification.
+	 *
+	 * @return string Template HTML.
+	 */
+	private static function template_admin_new_booking(): string {
+		$styles = self::get_email_styles();
+
+		return <<<HTML
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<style>{$styles}</style>
+</head>
+<body>
+<div class="email-container">
+	<div class="email-header">
+		<h1>New Booking Received</h1>
+	</div>
+	<div class="email-body">
+		<p>A new booking has been created and is awaiting confirmation.</p>
+
+		<div class="booking-details">
+			<h3>Booking Details</h3>
+			<div class="detail-row"><span class="detail-label">Reference:</span> {booking_reference}</div>
+			<div class="detail-row"><span class="detail-label">Status:</span> <span class="status-badge status-{status_raw}">{status}</span></div>
+			<div class="detail-row"><span class="detail-label">Room:</span> {room_name}</div>
+			<div class="detail-row"><span class="detail-label">Building:</span> {building_name}</div>
+			<div class="detail-row"><span class="detail-label">Check-in:</span> {check_in_date}</div>
+			<div class="detail-row"><span class="detail-label">Check-out:</span> {check_out_date}</div>
+			<div class="detail-row"><span class="detail-label">Nights:</span> {nights}</div>
+			<div class="detail-row"><span class="detail-label">Total:</span> {total_price}</div>
+		</div>
+
+		<div class="booking-details">
+			<h3>Guest Information</h3>
+			<div class="detail-row"><span class="detail-label">Name:</span> {guest_name}</div>
+			<div class="detail-row"><span class="detail-label">Email:</span> {guest_email}</div>
+			<div class="detail-row"><span class="detail-label">Phone:</span> {guest_phone}</div>
+			<div class="detail-row"><span class="detail-label">Adults:</span> {adults}</div>
+			<div class="detail-row"><span class="detail-label">Children:</span> {children}</div>
+		</div>
+
+		<a href="{booking_url}" class="btn">View Booking</a>
+	</div>
+	<div class="email-footer">
+		<p>This email was sent from {site_name}</p>
+	</div>
+</div>
+</body>
+</html>
+HTML;
+	}
+
+	/**
+	 * Template: Guest booking confirmed.
+	 *
+	 * @return string Template HTML.
+	 */
+	private static function template_booking_confirmed(): string {
+		$styles = self::get_email_styles();
+
+		return <<<HTML
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<style>{$styles}</style>
+</head>
+<body>
+<div class="email-container">
+	<div class="email-header">
+		<h1>Booking Confirmed</h1>
+	</div>
+	<div class="email-body">
+		<p>Dear {guest_name},</p>
+
+		<p>Great news! Your booking has been confirmed. We look forward to welcoming you.</p>
+
+		<div class="booking-details">
+			<h3>Your Booking Details</h3>
+			<div class="detail-row"><span class="detail-label">Confirmation:</span> {booking_reference}</div>
+			<div class="detail-row"><span class="detail-label">Room:</span> {room_name}</div>
+			<div class="detail-row"><span class="detail-label">Location:</span> {building_name}</div>
+			<div class="detail-row"><span class="detail-label">Check-in:</span> {check_in_date}</div>
+			<div class="detail-row"><span class="detail-label">Check-out:</span> {check_out_date}</div>
+			<div class="detail-row"><span class="detail-label">Duration:</span> {nights} nights</div>
+			<div class="detail-row"><span class="detail-label">Guests:</span> {adults} adults, {children} children</div>
+			<div class="detail-row"><span class="detail-label">Total:</span> <strong>{total_price}</strong></div>
+		</div>
+
+		<p>If you have any questions or need to make changes to your reservation, please contact us at {admin_email}.</p>
+
+		<p>Thank you for choosing us!</p>
+	</div>
+	<div class="email-footer">
+		<p>{site_name}<br>{site_url}</p>
+	</div>
+</div>
+</body>
+</html>
+HTML;
+	}
+
+	/**
+	 * Template: Admin booking confirmed.
+	 *
+	 * @return string Template HTML.
+	 */
+	private static function template_admin_booking_confirmed(): string {
+		$styles = self::get_email_styles();
+
+		return <<<HTML
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<style>{$styles}</style>
+</head>
+<body>
+<div class="email-container">
+	<div class="email-header">
+		<h1>Booking Confirmed</h1>
+	</div>
+	<div class="email-body">
+		<p>Booking {booking_reference} has been confirmed.</p>
+
+		<div class="booking-details">
+			<h3>Booking Summary</h3>
+			<div class="detail-row"><span class="detail-label">Guest:</span> {guest_name}</div>
+			<div class="detail-row"><span class="detail-label">Room:</span> {room_name}</div>
+			<div class="detail-row"><span class="detail-label">Dates:</span> {check_in_date} - {check_out_date}</div>
+			<div class="detail-row"><span class="detail-label">Total:</span> {total_price}</div>
+		</div>
+
+		<a href="{booking_url}" class="btn">View Booking</a>
+	</div>
+	<div class="email-footer">
+		<p>This email was sent from {site_name}</p>
+	</div>
+</div>
+</body>
+</html>
+HTML;
+	}
+
+	/**
+	 * Template: Guest booking cancelled.
+	 *
+	 * @return string Template HTML.
+	 */
+	private static function template_booking_cancelled(): string {
+		$styles = self::get_email_styles();
+
+		return <<<HTML
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<style>{$styles}</style>
+</head>
+<body>
+<div class="email-container">
+	<div class="email-header" style="background: #d63638;">
+		<h1>Booking Cancelled</h1>
+	</div>
+	<div class="email-body">
+		<p>Dear {guest_name},</p>
+
+		<p>We're writing to confirm that your booking has been cancelled.</p>
+
+		<div class="booking-details">
+			<h3>Cancelled Booking</h3>
+			<div class="detail-row"><span class="detail-label">Reference:</span> {booking_reference}</div>
+			<div class="detail-row"><span class="detail-label">Room:</span> {room_name}</div>
+			<div class="detail-row"><span class="detail-label">Dates:</span> {check_in_date} - {check_out_date}</div>
+		</div>
+
+		<p>If you have any questions or would like to make a new reservation, please contact us at {admin_email}.</p>
+
+		<p>We hope to welcome you in the future.</p>
+	</div>
+	<div class="email-footer">
+		<p>{site_name}<br>{site_url}</p>
+	</div>
+</div>
+</body>
+</html>
+HTML;
+	}
+
+	/**
+	 * Template: Admin booking cancelled.
+	 *
+	 * @return string Template HTML.
+	 */
+	private static function template_admin_booking_cancelled(): string {
+		$styles = self::get_email_styles();
+
+		return <<<HTML
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<style>{$styles}</style>
+</head>
+<body>
+<div class="email-container">
+	<div class="email-header" style="background: #d63638;">
+		<h1>Booking Cancelled</h1>
+	</div>
+	<div class="email-body">
+		<p>Booking {booking_reference} has been cancelled.</p>
+
+		<div class="booking-details">
+			<h3>Cancelled Booking</h3>
+			<div class="detail-row"><span class="detail-label">Guest:</span> {guest_name}</div>
+			<div class="detail-row"><span class="detail-label">Email:</span> {guest_email}</div>
+			<div class="detail-row"><span class="detail-label">Room:</span> {room_name}</div>
+			<div class="detail-row"><span class="detail-label">Dates:</span> {check_in_date} - {check_out_date}</div>
+		</div>
+
+		<a href="{booking_url}" class="btn">View Booking</a>
+	</div>
+	<div class="email-footer">
+		<p>This email was sent from {site_name}</p>
+	</div>
+</div>
+</body>
+</html>
+HTML;
+	}
+}

src/Plugin.php

@@ -9,7 +9,17 @@ declare( strict_types=1 );
 
 namespace Magdev\WpBnb;
 
+use Magdev\WpBnb\Admin\Calendar as CalendarAdmin;
+use Magdev\WpBnb\Admin\Seasons as SeasonsAdmin;
+use Magdev\WpBnb\Booking\Availability;
+use Magdev\WpBnb\Booking\EmailNotifier;
 use Magdev\WpBnb\License\Manager as LicenseManager;
+use Magdev\WpBnb\PostTypes\Booking;
+use Magdev\WpBnb\PostTypes\Building;
+use Magdev\WpBnb\PostTypes\Room;
+use Magdev\WpBnb\Pricing\Season;
+use Magdev\WpBnb\Taxonomies\Amenity;
+use Magdev\WpBnb\Taxonomies\RoomType;
 use Twig\Environment;
 use Twig\Loader\FilesystemLoader;
 
@@ -67,6 +77,32 @@ final class Plugin {
 
 		// Add plugin action links.
 		add_filter( 'plugin_action_links_' . WP_BNB_BASENAME, array( $this, 'add_action_links' ) );
+
+		// Register custom post types and taxonomies.
+		$this->register_post_types();
+		$this->register_taxonomies();
+	}
+
+	/**
+	 * Register custom post types.
+	 *
+	 * @return void
+	 */
+	private function register_post_types(): void {
+		Building::init();
+		Room::init();
+		Booking::init();
+	}
+
+	/**
+	 * Register custom taxonomies.
+	 *
+	 * @return void
+	 */
+	private function register_taxonomies(): void {
+		// Taxonomies must be registered before post types that use them.
+		Amenity::init();
+		RoomType::init();
 	}
 
 	/**
@@ -98,6 +134,18 @@ final class Plugin {
 		// Admin menu and settings will be added here.
 		add_action( 'admin_menu', array( $this, 'register_admin_menu' ) );
 		add_action( 'admin_init', array( $this, 'register_settings' ) );
+
+		// Initialize seasons admin page.
+		SeasonsAdmin::init();
+
+		// Initialize calendar admin page.
+		CalendarAdmin::init();
+
+		// Initialize email notifier.
+		EmailNotifier::init();
+
+		// Register AJAX handlers.
+		add_action( 'wp_ajax_wp_bnb_check_availability', array( $this, 'ajax_check_availability' ) );
 	}
 
 	/**
@@ -129,8 +177,14 @@ final class Plugin {
 	 * @return void
 	 */
 	public function enqueue_admin_assets( string $hook_suffix ): void {
-		// Only load on plugin pages.
+		global $post_type;
-		if ( strpos( $hook_suffix, 'wp-bnb' ) === false ) {
+
+		// Check if we're on plugin pages or editing our custom post types.
+		$is_plugin_page   = strpos( $hook_suffix, 'wp-bnb' ) !== false;
+		$is_our_post_type = in_array( $post_type, array( Building::POST_TYPE, Room::POST_TYPE, Booking::POST_TYPE ), true );
+		$is_edit_screen   = in_array( $hook_suffix, array( 'post.php', 'post-new.php' ), true );
+
+		if ( ! $is_plugin_page && ! ( $is_our_post_type && $is_edit_screen ) ) {
 			return;
 		}
 
@@ -141,10 +195,18 @@ final class Plugin {
 			WP_BNB_VERSION
 		);
 
+		$script_deps = array( 'jquery' );
+
+		// Add media dependencies for room gallery.
+		if ( Room::POST_TYPE === $post_type && $is_edit_screen ) {
+			wp_enqueue_media();
+			$script_deps[] = 'jquery-ui-sortable';
+		}
+
 		wp_enqueue_script(
 			'wp-bnb-admin',
 			WP_BNB_URL . 'assets/js/admin.js',
-			array( 'jquery' ),
+			$script_deps,
 			WP_BNB_VERSION,
 			true
 		);
@@ -153,12 +215,26 @@ final class Plugin {
 			'wp-bnb-admin',
 			'wpBnbAdmin',
 			array(
-				'ajaxUrl' => admin_url( 'admin-ajax.php' ),
+				'ajaxUrl'  => admin_url( 'admin-ajax.php' ),
-				'nonce'   => wp_create_nonce( 'wp_bnb_admin_nonce' ),
+				'nonce'    => wp_create_nonce( 'wp_bnb_admin_nonce' ),
-				'i18n'    => array(
+				'postType' => $post_type,
-					'validating' => __( 'Validating...', 'wp-bnb' ),
+				'i18n'     => array(
-					'activating' => __( 'Activating...', 'wp-bnb' ),
+					'validating'         => __( 'Validating...', 'wp-bnb' ),
-					'error'      => __( 'An error occurred. Please try again.', 'wp-bnb' ),
+					'activating'         => __( 'Activating...', 'wp-bnb' ),
+					'error'              => __( 'An error occurred. Please try again.', 'wp-bnb' ),
+					'selectImages'       => __( 'Select Images', 'wp-bnb' ),
+					'addToGallery'       => __( 'Add to Gallery', 'wp-bnb' ),
+					'confirmRemove'      => __( 'Are you sure you want to remove this image?', 'wp-bnb' ),
+					'increase'           => __( 'increase', 'wp-bnb' ),
+					'discount'           => __( 'discount', 'wp-bnb' ),
+					'normalPrice'        => __( 'Normal price', 'wp-bnb' ),
+					'checking'           => __( 'Checking availability...', 'wp-bnb' ),
+					'available'          => __( 'Available', 'wp-bnb' ),
+					'notAvailable'       => __( 'Not available - conflicts with existing booking', 'wp-bnb' ),
+					'selectRoomAndDates' => __( 'Select room and dates to check availability', 'wp-bnb' ),
+					'nights'             => __( 'nights', 'wp-bnb' ),
+					'night'              => __( 'night', 'wp-bnb' ),
+					'calculating'        => __( 'Calculating price...', 'wp-bnb' ),
 				),
 			)
 		);
@@ -306,6 +382,10 @@ final class Plugin {
 				   class="nav-tab <?php echo 'general' === $active_tab ? 'nav-tab-active' : ''; ?>">
 					<?php esc_html_e( 'General', 'wp-bnb' ); ?>
 				</a>
+				<a href="<?php echo esc_url( admin_url( 'admin.php?page=wp-bnb-settings&tab=pricing' ) ); ?>"
+				   class="nav-tab <?php echo 'pricing' === $active_tab ? 'nav-tab-active' : ''; ?>">
+					<?php esc_html_e( 'Pricing', 'wp-bnb' ); ?>
+				</a>
 				<a href="<?php echo esc_url( admin_url( 'admin.php?page=wp-bnb-settings&tab=license' ) ); ?>"
 				   class="nav-tab <?php echo 'license' === $active_tab ? 'nav-tab-active' : ''; ?>">
 					<?php esc_html_e( 'License', 'wp-bnb' ); ?>
@@ -315,6 +395,9 @@ final class Plugin {
 			<div class="tab-content">
 				<?php
 				switch ( $active_tab ) {
+					case 'pricing':
+						$this->render_pricing_settings();
+						break;
 					case 'license':
 						$this->render_license_settings();
 						break;
@@ -380,6 +463,143 @@ final class Plugin {
 		<?php
 	}
 
+	/**
+	 * Render pricing settings tab.
+	 *
+	 * @return void
+	 */
+	private function render_pricing_settings(): void {
+		$short_term_max = get_option( 'wp_bnb_short_term_max_nights', 6 );
+		$mid_term_max   = get_option( 'wp_bnb_mid_term_max_nights', 27 );
+		$weekend_days   = get_option( 'wp_bnb_weekend_days', '5,6' );
+		$seasons        = Season::all();
+
+		$days_of_week = array(
+			1 => __( 'Monday', 'wp-bnb' ),
+			2 => __( 'Tuesday', 'wp-bnb' ),
+			3 => __( 'Wednesday', 'wp-bnb' ),
+			4 => __( 'Thursday', 'wp-bnb' ),
+			5 => __( 'Friday', 'wp-bnb' ),
+			6 => __( 'Saturday', 'wp-bnb' ),
+			7 => __( 'Sunday', 'wp-bnb' ),
+		);
+		$selected_days = array_map( 'intval', explode( ',', $weekend_days ) );
+		?>
+		<form method="post" action="">
+			<?php wp_nonce_field( 'wp_bnb_save_settings', 'wp_bnb_settings_nonce' ); ?>
+
+			<h2><?php esc_html_e( 'Pricing Tier Thresholds', 'wp-bnb' ); ?></h2>
+			<p class="description"><?php esc_html_e( 'Define the number of nights that determine which pricing tier applies.', 'wp-bnb' ); ?></p>
+
+			<table class="form-table" role="presentation">
+				<tr>
+					<th scope="row">
+						<label for="wp_bnb_short_term_max_nights"><?php esc_html_e( 'Short-term (Nightly)', 'wp-bnb' ); ?></label>
+					</th>
+					<td>
+						<input type="number" name="wp_bnb_short_term_max_nights" id="wp_bnb_short_term_max_nights"
+							   value="<?php echo esc_attr( $short_term_max ); ?>"
+							   class="small-text" min="1" max="30">
+						<?php esc_html_e( 'nights or fewer', 'wp-bnb' ); ?>
+						<p class="description"><?php esc_html_e( 'Stays up to this many nights use the nightly rate.', 'wp-bnb' ); ?></p>
+					</td>
+				</tr>
+				<tr>
+					<th scope="row">
+						<label for="wp_bnb_mid_term_max_nights"><?php esc_html_e( 'Mid-term (Weekly)', 'wp-bnb' ); ?></label>
+					</th>
+					<td>
+						<input type="number" name="wp_bnb_mid_term_max_nights" id="wp_bnb_mid_term_max_nights"
+							   value="<?php echo esc_attr( $mid_term_max ); ?>"
+							   class="small-text" min="7" max="90">
+						<?php esc_html_e( 'nights or fewer', 'wp-bnb' ); ?>
+						<p class="description"><?php esc_html_e( 'Stays longer than short-term but up to this many nights use the weekly rate.', 'wp-bnb' ); ?></p>
+					</td>
+				</tr>
+				<tr>
+					<th scope="row"><?php esc_html_e( 'Long-term (Monthly)', 'wp-bnb' ); ?></th>
+					<td>
+						<p class="description">
+							<?php
+							printf(
+								/* translators: %s: number of nights */
+								esc_html__( 'Stays longer than %s nights use the monthly rate.', 'wp-bnb' ),
+								'<strong id="wp-bnb-long-term-min">' . esc_html( $mid_term_max ) . '</strong>'
+							);
+							?>
+						</p>
+					</td>
+				</tr>
+			</table>
+
+			<h2><?php esc_html_e( 'Weekend Days', 'wp-bnb' ); ?></h2>
+			<p class="description"><?php esc_html_e( 'Select which days are considered weekend days for weekend surcharges.', 'wp-bnb' ); ?></p>
+
+			<table class="form-table" role="presentation">
+				<tr>
+					<th scope="row"><?php esc_html_e( 'Weekend Days', 'wp-bnb' ); ?></th>
+					<td>
+						<fieldset>
+							<?php foreach ( $days_of_week as $day_num => $day_name ) : ?>
+								<label style="display: inline-block; margin-right: 15px;">
+									<input type="checkbox" name="wp_bnb_weekend_days[]" value="<?php echo esc_attr( $day_num ); ?>"
+										<?php checked( in_array( $day_num, $selected_days, true ) ); ?>>
+									<?php echo esc_html( $day_name ); ?>
+								</label>
+							<?php endforeach; ?>
+						</fieldset>
+						<p class="description"><?php esc_html_e( 'Weekend surcharges (configured per room) apply to nights starting on these days.', 'wp-bnb' ); ?></p>
+					</td>
+				</tr>
+			</table>
+
+			<h2><?php esc_html_e( 'Seasonal Pricing', 'wp-bnb' ); ?></h2>
+			<p class="description">
+				<?php
+				printf(
+					/* translators: %s: Link to seasons page */
+					esc_html__( 'Manage seasonal pricing periods in the %s.', 'wp-bnb' ),
+					'<a href="' . esc_url( admin_url( 'admin.php?page=wp-bnb-seasons' ) ) . '">' . esc_html__( 'Seasons Manager', 'wp-bnb' ) . '</a>'
+				);
+				?>
+			</p>
+
+			<?php if ( ! empty( $seasons ) ) : ?>
+				<table class="widefat striped" style="max-width: 600px;">
+					<thead>
+						<tr>
+							<th><?php esc_html_e( 'Season', 'wp-bnb' ); ?></th>
+							<th><?php esc_html_e( 'Period', 'wp-bnb' ); ?></th>
+							<th><?php esc_html_e( 'Modifier', 'wp-bnb' ); ?></th>
+							<th><?php esc_html_e( 'Status', 'wp-bnb' ); ?></th>
+						</tr>
+					</thead>
+					<tbody>
+						<?php foreach ( $seasons as $season ) : ?>
+							<tr>
+								<td><?php echo esc_html( $season->name ); ?></td>
+								<td><?php echo esc_html( $season->start_date . ' - ' . $season->end_date ); ?></td>
+								<td><?php echo esc_html( $season->getModifierLabel() ); ?></td>
+								<td>
+									<?php if ( $season->active ) : ?>
+										<span class="dashicons dashicons-yes-alt" style="color: #00a32a;"></span>
+									<?php else : ?>
+										<span class="dashicons dashicons-marker" style="color: #646970;"></span>
+									<?php endif; ?>
+								</td>
+							</tr>
+						<?php endforeach; ?>
+					</tbody>
+				</table>
+			<?php else : ?>
+				<p><?php esc_html_e( 'No seasons configured yet.', 'wp-bnb' ); ?></p>
+			<?php endif; ?>
+
+			<?php submit_button( __( 'Save Pricing Settings', 'wp-bnb' ) ); ?>
+		</form>
+		<?php
+	}
+
 	/**
 	 * Render license settings tab.
 	 *
@@ -541,6 +761,9 @@ final class Plugin {
 	 */
 	private function save_settings( string $tab ): void {
 		switch ( $tab ) {
+			case 'pricing':
+				$this->save_pricing_settings();
+				break;
 			case 'license':
 				$this->save_license_settings();
 				break;
@@ -567,6 +790,36 @@ final class Plugin {
 		settings_errors( 'wp_bnb_settings' );
 	}
 
+	/**
+	 * Save pricing settings.
+	 *
+	 * @return void
+	 */
+	private function save_pricing_settings(): void {
+		if ( isset( $_POST['wp_bnb_short_term_max_nights'] ) ) {
+			$value = absint( $_POST['wp_bnb_short_term_max_nights'] );
+			$value = max( 1, min( 30, $value ) );
+			update_option( 'wp_bnb_short_term_max_nights', $value );
+		}
+
+		if ( isset( $_POST['wp_bnb_mid_term_max_nights'] ) ) {
+			$value = absint( $_POST['wp_bnb_mid_term_max_nights'] );
+			$value = max( 7, min( 90, $value ) );
+			update_option( 'wp_bnb_mid_term_max_nights', $value );
+		}
+
+		if ( isset( $_POST['wp_bnb_weekend_days'] ) && is_array( $_POST['wp_bnb_weekend_days'] ) ) {
+			$days = array_map( 'absint', $_POST['wp_bnb_weekend_days'] );
+			$days = array_filter( $days, fn( $d ) => $d >= 1 && $d <= 7 );
+			update_option( 'wp_bnb_weekend_days', implode( ',', $days ) );
+		} else {
+			update_option( 'wp_bnb_weekend_days', '' );
+		}
+
+		add_settings_error( 'wp_bnb_settings', 'settings_saved', __( 'Pricing settings saved.', 'wp-bnb' ), 'success' );
+		settings_errors( 'wp_bnb_settings' );
+	}
+
 	/**
 	 * Save license settings.
 	 *
@@ -585,6 +838,43 @@ final class Plugin {
 		settings_errors( 'wp_bnb_settings' );
 	}
 
+	/**
+	 * AJAX handler for checking room availability.
+	 *
+	 * @return void
+	 */
+	public function ajax_check_availability(): void {
+		check_ajax_referer( 'wp_bnb_admin_nonce', 'nonce' );
+
+		if ( ! current_user_can( 'edit_posts' ) ) {
+			wp_send_json_error(
+				array( 'message' => __( 'You do not have permission to perform this action.', 'wp-bnb' ) )
+			);
+		}
+
+		$room_id   = isset( $_POST['room_id'] ) ? absint( $_POST['room_id'] ) : 0;
+		$check_in  = isset( $_POST['check_in'] ) ? sanitize_text_field( wp_unslash( $_POST['check_in'] ) ) : '';
+		$check_out = isset( $_POST['check_out'] ) ? sanitize_text_field( wp_unslash( $_POST['check_out'] ) ) : '';
+		$exclude   = isset( $_POST['exclude_booking'] ) ? absint( $_POST['exclude_booking'] ) : null;
+
+		if ( ! $room_id || ! $check_in || ! $check_out ) {
+			wp_send_json_error(
+				array( 'message' => __( 'Missing required parameters.', 'wp-bnb' ) )
+			);
+		}
+
+		// Validate dates.
+		if ( strtotime( $check_out ) <= strtotime( $check_in ) ) {
+			wp_send_json_error(
+				array( 'message' => __( 'Check-out date must be after check-in date.', 'wp-bnb' ) )
+			);
+		}
+
+		$result = Availability::check_availability_with_price( $room_id, $check_in, $check_out, $exclude );
+
+		wp_send_json_success( $result );
+	}
+
 	/**
 	 * Get Twig environment.
 	 *

src/PostTypes/Building.php

@@ -0,0 +1,562 @@
+<?php
+/**
+ * Building post type.
+ *
+ * Custom post type for BnB buildings/properties.
+ *
+ * @package Magdev\WpBnb\PostTypes
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\PostTypes;
+
+/**
+ * Building post type class.
+ */
+final class Building {
+
+	/**
+	 * Post type slug.
+	 *
+	 * @var string
+	 */
+	public const POST_TYPE = 'bnb_building';
+
+	/**
+	 * Meta key prefix.
+	 *
+	 * @var string
+	 */
+	private const META_PREFIX = '_bnb_building_';
+
+	/**
+	 * Initialize the post type.
+	 *
+	 * @return void
+	 */
+	public static function init(): void {
+		add_action( 'init', array( self::class, 'register' ) );
+		add_action( 'add_meta_boxes', array( self::class, 'add_meta_boxes' ) );
+		add_action( 'save_post_' . self::POST_TYPE, array( self::class, 'save_meta' ), 10, 2 );
+		add_filter( 'manage_' . self::POST_TYPE . '_posts_columns', array( self::class, 'add_columns' ) );
+		add_action( 'manage_' . self::POST_TYPE . '_posts_custom_column', array( self::class, 'render_column' ), 10, 2 );
+		add_filter( 'manage_edit-' . self::POST_TYPE . '_sortable_columns', array( self::class, 'sortable_columns' ) );
+		add_filter( 'enter_title_here', array( self::class, 'change_title_placeholder' ), 10, 2 );
+	}
+
+	/**
+	 * Register the post type.
+	 *
+	 * @return void
+	 */
+	public static function register(): void {
+		$labels = array(
+			'name'                  => _x( 'Buildings', 'post type general name', 'wp-bnb' ),
+			'singular_name'         => _x( 'Building', 'post type singular name', 'wp-bnb' ),
+			'menu_name'             => _x( 'Buildings', 'admin menu', 'wp-bnb' ),
+			'name_admin_bar'        => _x( 'Building', 'add new on admin bar', 'wp-bnb' ),
+			'add_new'               => _x( 'Add New', 'building', 'wp-bnb' ),
+			'add_new_item'          => __( 'Add New Building', 'wp-bnb' ),
+			'new_item'              => __( 'New Building', 'wp-bnb' ),
+			'edit_item'             => __( 'Edit Building', 'wp-bnb' ),
+			'view_item'             => __( 'View Building', 'wp-bnb' ),
+			'all_items'             => __( 'Buildings', 'wp-bnb' ),
+			'search_items'          => __( 'Search Buildings', 'wp-bnb' ),
+			'parent_item_colon'     => __( 'Parent Buildings:', 'wp-bnb' ),
+			'not_found'             => __( 'No buildings found.', 'wp-bnb' ),
+			'not_found_in_trash'    => __( 'No buildings found in Trash.', 'wp-bnb' ),
+			'featured_image'        => __( 'Building Image', 'wp-bnb' ),
+			'set_featured_image'    => __( 'Set building image', 'wp-bnb' ),
+			'remove_featured_image' => __( 'Remove building image', 'wp-bnb' ),
+			'use_featured_image'    => __( 'Use as building image', 'wp-bnb' ),
+			'archives'              => __( 'Building archives', 'wp-bnb' ),
+			'insert_into_item'      => __( 'Insert into building', 'wp-bnb' ),
+			'uploaded_to_this_item' => __( 'Uploaded to this building', 'wp-bnb' ),
+			'filter_items_list'     => __( 'Filter buildings list', 'wp-bnb' ),
+			'items_list_navigation' => __( 'Buildings list navigation', 'wp-bnb' ),
+			'items_list'            => __( 'Buildings list', 'wp-bnb' ),
+		);
+
+		$args = array(
+			'labels'              => $labels,
+			'public'              => true,
+			'publicly_queryable'  => true,
+			'show_ui'             => true,
+			'show_in_menu'        => 'wp-bnb',
+			'query_var'           => true,
+			'rewrite'             => array(
+				'slug'       => 'building',
+				'with_front' => false,
+			),
+			'capability_type'     => 'post',
+			'has_archive'         => true,
+			'hierarchical'        => false,
+			'menu_position'       => null,
+			'menu_icon'           => 'dashicons-building',
+			'supports'            => array(
+				'title',
+				'editor',
+				'thumbnail',
+				'excerpt',
+				'revisions',
+			),
+			'show_in_rest'        => true,
+			'rest_base'           => 'buildings',
+			'rest_controller_class' => 'WP_REST_Posts_Controller',
+		);
+
+		register_post_type( self::POST_TYPE, $args );
+	}
+
+	/**
+	 * Add meta boxes.
+	 *
+	 * @return void
+	 */
+	public static function add_meta_boxes(): void {
+		add_meta_box(
+			'bnb_building_address',
+			__( 'Address', 'wp-bnb' ),
+			array( self::class, 'render_address_meta_box' ),
+			self::POST_TYPE,
+			'normal',
+			'high'
+		);
+
+		add_meta_box(
+			'bnb_building_contact',
+			__( 'Contact Information', 'wp-bnb' ),
+			array( self::class, 'render_contact_meta_box' ),
+			self::POST_TYPE,
+			'normal',
+			'high'
+		);
+
+		add_meta_box(
+			'bnb_building_details',
+			__( 'Building Details', 'wp-bnb' ),
+			array( self::class, 'render_details_meta_box' ),
+			self::POST_TYPE,
+			'side',
+			'default'
+		);
+	}
+
+	/**
+	 * Render address meta box.
+	 *
+	 * @param \WP_Post $post Current post object.
+	 * @return void
+	 */
+	public static function render_address_meta_box( \WP_Post $post ): void {
+		wp_nonce_field( 'bnb_building_meta', 'bnb_building_meta_nonce' );
+
+		$street   = get_post_meta( $post->ID, self::META_PREFIX . 'street', true );
+		$street2  = get_post_meta( $post->ID, self::META_PREFIX . 'street2', true );
+		$city     = get_post_meta( $post->ID, self::META_PREFIX . 'city', true );
+		$state    = get_post_meta( $post->ID, self::META_PREFIX . 'state', true );
+		$zip      = get_post_meta( $post->ID, self::META_PREFIX . 'zip', true );
+		$country  = get_post_meta( $post->ID, self::META_PREFIX . 'country', true );
+		?>
+		<table class="form-table">
+			<tr>
+				<th scope="row">
+					<label for="bnb_building_street"><?php esc_html_e( 'Street Address', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="text" id="bnb_building_street" name="bnb_building_street"
+						   value="<?php echo esc_attr( $street ); ?>" class="large-text">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_building_street2"><?php esc_html_e( 'Street Address 2', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="text" id="bnb_building_street2" name="bnb_building_street2"
+						   value="<?php echo esc_attr( $street2 ); ?>" class="large-text">
+					<p class="description"><?php esc_html_e( 'Apartment, suite, unit, etc. (optional)', 'wp-bnb' ); ?></p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_building_city"><?php esc_html_e( 'City', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="text" id="bnb_building_city" name="bnb_building_city"
+						   value="<?php echo esc_attr( $city ); ?>" class="regular-text">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_building_state"><?php esc_html_e( 'State / Canton', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="text" id="bnb_building_state" name="bnb_building_state"
+						   value="<?php echo esc_attr( $state ); ?>" class="regular-text">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_building_zip"><?php esc_html_e( 'ZIP / Postal Code', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="text" id="bnb_building_zip" name="bnb_building_zip"
+						   value="<?php echo esc_attr( $zip ); ?>" class="regular-text">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_building_country"><?php esc_html_e( 'Country', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<select id="bnb_building_country" name="bnb_building_country">
+						<option value=""><?php esc_html_e( '— Select Country —', 'wp-bnb' ); ?></option>
+						<?php foreach ( self::get_countries() as $code => $name ) : ?>
+							<option value="<?php echo esc_attr( $code ); ?>" <?php selected( $country, $code ); ?>>
+								<?php echo esc_html( $name ); ?>
+							</option>
+						<?php endforeach; ?>
+					</select>
+				</td>
+			</tr>
+		</table>
+		<?php
+	}
+
+	/**
+	 * Render contact meta box.
+	 *
+	 * @param \WP_Post $post Current post object.
+	 * @return void
+	 */
+	public static function render_contact_meta_box( \WP_Post $post ): void {
+		$phone   = get_post_meta( $post->ID, self::META_PREFIX . 'phone', true );
+		$email   = get_post_meta( $post->ID, self::META_PREFIX . 'email', true );
+		$website = get_post_meta( $post->ID, self::META_PREFIX . 'website', true );
+		?>
+		<table class="form-table">
+			<tr>
+				<th scope="row">
+					<label for="bnb_building_phone"><?php esc_html_e( 'Phone', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="tel" id="bnb_building_phone" name="bnb_building_phone"
+						   value="<?php echo esc_attr( $phone ); ?>" class="regular-text">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_building_email"><?php esc_html_e( 'Email', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="email" id="bnb_building_email" name="bnb_building_email"
+						   value="<?php echo esc_attr( $email ); ?>" class="regular-text">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_building_website"><?php esc_html_e( 'Website', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="url" id="bnb_building_website" name="bnb_building_website"
+						   value="<?php echo esc_attr( $website ); ?>" class="regular-text"
+						   placeholder="https://">
+				</td>
+			</tr>
+		</table>
+		<?php
+	}
+
+	/**
+	 * Render details meta box.
+	 *
+	 * @param \WP_Post $post Current post object.
+	 * @return void
+	 */
+	public static function render_details_meta_box( \WP_Post $post ): void {
+		$total_rooms = get_post_meta( $post->ID, self::META_PREFIX . 'total_rooms', true );
+		$floors      = get_post_meta( $post->ID, self::META_PREFIX . 'floors', true );
+		$year_built  = get_post_meta( $post->ID, self::META_PREFIX . 'year_built', true );
+		$check_in    = get_post_meta( $post->ID, self::META_PREFIX . 'check_in_time', true );
+		$check_out   = get_post_meta( $post->ID, self::META_PREFIX . 'check_out_time', true );
+		?>
+		<p>
+			<label for="bnb_building_total_rooms"><?php esc_html_e( 'Total Rooms', 'wp-bnb' ); ?></label>
+			<input type="number" id="bnb_building_total_rooms" name="bnb_building_total_rooms"
+				   value="<?php echo esc_attr( $total_rooms ); ?>" class="small-text" min="1">
+		</p>
+		<p>
+			<label for="bnb_building_floors"><?php esc_html_e( 'Number of Floors', 'wp-bnb' ); ?></label>
+			<input type="number" id="bnb_building_floors" name="bnb_building_floors"
+				   value="<?php echo esc_attr( $floors ); ?>" class="small-text" min="1">
+		</p>
+		<p>
+			<label for="bnb_building_year_built"><?php esc_html_e( 'Year Built', 'wp-bnb' ); ?></label>
+			<input type="number" id="bnb_building_year_built" name="bnb_building_year_built"
+				   value="<?php echo esc_attr( $year_built ); ?>" class="small-text"
+				   min="1800" max="<?php echo esc_attr( gmdate( 'Y' ) ); ?>">
+		</p>
+		<p>
+			<label for="bnb_building_check_in_time"><?php esc_html_e( 'Check-in Time', 'wp-bnb' ); ?></label>
+			<input type="time" id="bnb_building_check_in_time" name="bnb_building_check_in_time"
+				   value="<?php echo esc_attr( $check_in ?: '14:00' ); ?>">
+		</p>
+		<p>
+			<label for="bnb_building_check_out_time"><?php esc_html_e( 'Check-out Time', 'wp-bnb' ); ?></label>
+			<input type="time" id="bnb_building_check_out_time" name="bnb_building_check_out_time"
+				   value="<?php echo esc_attr( $check_out ?: '11:00' ); ?>">
+		</p>
+		<?php
+	}
+
+	/**
+	 * Save post meta.
+	 *
+	 * @param int      $post_id Post ID.
+	 * @param \WP_Post $post    Post object.
+	 * @return void
+	 */
+	public static function save_meta( int $post_id, \WP_Post $post ): void {
+		// Verify nonce.
+		if ( ! isset( $_POST['bnb_building_meta_nonce'] ) ||
+			 ! wp_verify_nonce( sanitize_key( $_POST['bnb_building_meta_nonce'] ), 'bnb_building_meta' ) ) {
+			return;
+		}
+
+		// Check autosave.
+		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
+			return;
+		}
+
+		// Check permissions.
+		if ( ! current_user_can( 'edit_post', $post_id ) ) {
+			return;
+		}
+
+		// Address fields.
+		$text_fields = array(
+			'street',
+			'street2',
+			'city',
+			'state',
+			'zip',
+			'country',
+			'phone',
+			'website',
+		);
+
+		foreach ( $text_fields as $field ) {
+			$key = 'bnb_building_' . $field;
+			if ( isset( $_POST[ $key ] ) ) {
+				update_post_meta(
+					$post_id,
+					self::META_PREFIX . $field,
+					sanitize_text_field( wp_unslash( $_POST[ $key ] ) )
+				);
+			}
+		}
+
+		// Email field (special sanitization).
+		if ( isset( $_POST['bnb_building_email'] ) ) {
+			update_post_meta(
+				$post_id,
+				self::META_PREFIX . 'email',
+				sanitize_email( wp_unslash( $_POST['bnb_building_email'] ) )
+			);
+		}
+
+		// Numeric fields.
+		$numeric_fields = array( 'total_rooms', 'floors', 'year_built' );
+		foreach ( $numeric_fields as $field ) {
+			$key = 'bnb_building_' . $field;
+			if ( isset( $_POST[ $key ] ) ) {
+				update_post_meta(
+					$post_id,
+					self::META_PREFIX . $field,
+					absint( $_POST[ $key ] )
+				);
+			}
+		}
+
+		// Time fields.
+		$time_fields = array( 'check_in_time', 'check_out_time' );
+		foreach ( $time_fields as $field ) {
+			$key = 'bnb_building_' . $field;
+			if ( isset( $_POST[ $key ] ) ) {
+				$time = sanitize_text_field( wp_unslash( $_POST[ $key ] ) );
+				if ( preg_match( '/^([01]?[0-9]|2[0-3]):[0-5][0-9]$/', $time ) ) {
+					update_post_meta( $post_id, self::META_PREFIX . $field, $time );
+				}
+			}
+		}
+	}
+
+	/**
+	 * Add custom columns to the post list.
+	 *
+	 * @param array $columns Existing columns.
+	 * @return array
+	 */
+	public static function add_columns( array $columns ): array {
+		$new_columns = array();
+		foreach ( $columns as $key => $value ) {
+			$new_columns[ $key ] = $value;
+			if ( 'title' === $key ) {
+				$new_columns['city']    = __( 'City', 'wp-bnb' );
+				$new_columns['country'] = __( 'Country', 'wp-bnb' );
+				$new_columns['rooms']   = __( 'Rooms', 'wp-bnb' );
+			}
+		}
+		return $new_columns;
+	}
+
+	/**
+	 * Render custom column content.
+	 *
+	 * @param string $column  Column name.
+	 * @param int    $post_id Post ID.
+	 * @return void
+	 */
+	public static function render_column( string $column, int $post_id ): void {
+		switch ( $column ) {
+			case 'city':
+				$city = get_post_meta( $post_id, self::META_PREFIX . 'city', true );
+				echo esc_html( $city ?: '—' );
+				break;
+
+			case 'country':
+				$country = get_post_meta( $post_id, self::META_PREFIX . 'country', true );
+				if ( $country ) {
+					$countries = self::get_countries();
+					echo esc_html( $countries[ $country ] ?? $country );
+				} else {
+					echo '—';
+				}
+				break;
+
+			case 'rooms':
+				$rooms = get_posts(
+					array(
+						'post_type'      => 'bnb_room',
+						'post_status'    => 'publish',
+						'posts_per_page' => -1,
+						'meta_query'     => array(
+							array(
+								'key'   => '_bnb_room_building_id',
+								'value' => $post_id,
+							),
+						),
+					)
+				);
+				$count = count( $rooms );
+				if ( $count > 0 ) {
+					printf(
+						'<a href="%s">%s</a>',
+						esc_url(
+							admin_url(
+								'edit.php?post_type=bnb_room&building_id=' . $post_id
+							)
+						),
+						esc_html(
+							sprintf(
+								/* translators: %d: Number of rooms */
+								_n( '%d room', '%d rooms', $count, 'wp-bnb' ),
+								$count
+							)
+						)
+					);
+				} else {
+					echo '—';
+				}
+				break;
+		}
+	}
+
+	/**
+	 * Add sortable columns.
+	 *
+	 * @param array $columns Existing sortable columns.
+	 * @return array
+	 */
+	public static function sortable_columns( array $columns ): array {
+		$columns['city']    = 'city';
+		$columns['country'] = 'country';
+		return $columns;
+	}
+
+	/**
+	 * Change title placeholder.
+	 *
+	 * @param string   $placeholder Default placeholder.
+	 * @param \WP_Post $post        Current post.
+	 * @return string
+	 */
+	public static function change_title_placeholder( string $placeholder, \WP_Post $post ): string {
+		if ( self::POST_TYPE === $post->post_type ) {
+			return __( 'Enter building name', 'wp-bnb' );
+		}
+		return $placeholder;
+	}
+
+	/**
+	 * Get list of countries.
+	 *
+	 * @return array<string, string>
+	 */
+	public static function get_countries(): array {
+		return array(
+			'CH' => __( 'Switzerland', 'wp-bnb' ),
+			'DE' => __( 'Germany', 'wp-bnb' ),
+			'AT' => __( 'Austria', 'wp-bnb' ),
+			'FR' => __( 'France', 'wp-bnb' ),
+			'IT' => __( 'Italy', 'wp-bnb' ),
+			'LI' => __( 'Liechtenstein', 'wp-bnb' ),
+			'NL' => __( 'Netherlands', 'wp-bnb' ),
+			'BE' => __( 'Belgium', 'wp-bnb' ),
+			'LU' => __( 'Luxembourg', 'wp-bnb' ),
+			'GB' => __( 'United Kingdom', 'wp-bnb' ),
+			'US' => __( 'United States', 'wp-bnb' ),
+			'CA' => __( 'Canada', 'wp-bnb' ),
+			'ES' => __( 'Spain', 'wp-bnb' ),
+			'PT' => __( 'Portugal', 'wp-bnb' ),
+		);
+	}
+
+	/**
+	 * Get formatted address.
+	 *
+	 * @param int $post_id Post ID.
+	 * @return string
+	 */
+	public static function get_formatted_address( int $post_id ): string {
+		$street  = get_post_meta( $post_id, self::META_PREFIX . 'street', true );
+		$street2 = get_post_meta( $post_id, self::META_PREFIX . 'street2', true );
+		$city    = get_post_meta( $post_id, self::META_PREFIX . 'city', true );
+		$state   = get_post_meta( $post_id, self::META_PREFIX . 'state', true );
+		$zip     = get_post_meta( $post_id, self::META_PREFIX . 'zip', true );
+		$country = get_post_meta( $post_id, self::META_PREFIX . 'country', true );
+
+		$parts = array();
+
+		if ( $street ) {
+			$parts[] = $street;
+		}
+		if ( $street2 ) {
+			$parts[] = $street2;
+		}
+		if ( $zip || $city ) {
+			$parts[] = trim( $zip . ' ' . $city );
+		}
+		if ( $state ) {
+			$parts[] = $state;
+		}
+		if ( $country ) {
+			$countries = self::get_countries();
+			$parts[]   = $countries[ $country ] ?? $country;
+		}
+
+		return implode( "\n", $parts );
+	}
+}

src/PostTypes/Room.php

@@ -0,0 +1,780 @@
+<?php
+/**
+ * Room post type.
+ *
+ * Custom post type for BnB rooms.
+ *
+ * @package Magdev\WpBnb\PostTypes
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\PostTypes;
+
+use Magdev\WpBnb\Pricing\Calculator;
+use Magdev\WpBnb\Pricing\PricingTier;
+use Magdev\WpBnb\Taxonomies\Amenity;
+use Magdev\WpBnb\Taxonomies\RoomType;
+
+/**
+ * Room post type class.
+ */
+final class Room {
+
+	/**
+	 * Post type slug.
+	 *
+	 * @var string
+	 */
+	public const POST_TYPE = 'bnb_room';
+
+	/**
+	 * Meta key prefix.
+	 *
+	 * @var string
+	 */
+	private const META_PREFIX = '_bnb_room_';
+
+	/**
+	 * Initialize the post type.
+	 *
+	 * @return void
+	 */
+	public static function init(): void {
+		add_action( 'init', array( self::class, 'register' ) );
+		add_action( 'add_meta_boxes', array( self::class, 'add_meta_boxes' ) );
+		add_action( 'save_post_' . self::POST_TYPE, array( self::class, 'save_meta' ), 10, 2 );
+		add_filter( 'manage_' . self::POST_TYPE . '_posts_columns', array( self::class, 'add_columns' ) );
+		add_action( 'manage_' . self::POST_TYPE . '_posts_custom_column', array( self::class, 'render_column' ), 10, 2 );
+		add_filter( 'manage_edit-' . self::POST_TYPE . '_sortable_columns', array( self::class, 'sortable_columns' ) );
+		add_action( 'restrict_manage_posts', array( self::class, 'add_building_filter' ) );
+		add_action( 'pre_get_posts', array( self::class, 'filter_by_building' ) );
+		add_filter( 'enter_title_here', array( self::class, 'change_title_placeholder' ), 10, 2 );
+	}
+
+	/**
+	 * Register the post type.
+	 *
+	 * @return void
+	 */
+	public static function register(): void {
+		$labels = array(
+			'name'                  => _x( 'Rooms', 'post type general name', 'wp-bnb' ),
+			'singular_name'         => _x( 'Room', 'post type singular name', 'wp-bnb' ),
+			'menu_name'             => _x( 'Rooms', 'admin menu', 'wp-bnb' ),
+			'name_admin_bar'        => _x( 'Room', 'add new on admin bar', 'wp-bnb' ),
+			'add_new'               => _x( 'Add New', 'room', 'wp-bnb' ),
+			'add_new_item'          => __( 'Add New Room', 'wp-bnb' ),
+			'new_item'              => __( 'New Room', 'wp-bnb' ),
+			'edit_item'             => __( 'Edit Room', 'wp-bnb' ),
+			'view_item'             => __( 'View Room', 'wp-bnb' ),
+			'all_items'             => __( 'Rooms', 'wp-bnb' ),
+			'search_items'          => __( 'Search Rooms', 'wp-bnb' ),
+			'parent_item_colon'     => __( 'Parent Rooms:', 'wp-bnb' ),
+			'not_found'             => __( 'No rooms found.', 'wp-bnb' ),
+			'not_found_in_trash'    => __( 'No rooms found in Trash.', 'wp-bnb' ),
+			'featured_image'        => __( 'Room Image', 'wp-bnb' ),
+			'set_featured_image'    => __( 'Set room image', 'wp-bnb' ),
+			'remove_featured_image' => __( 'Remove room image', 'wp-bnb' ),
+			'use_featured_image'    => __( 'Use as room image', 'wp-bnb' ),
+			'archives'              => __( 'Room archives', 'wp-bnb' ),
+			'insert_into_item'      => __( 'Insert into room', 'wp-bnb' ),
+			'uploaded_to_this_item' => __( 'Uploaded to this room', 'wp-bnb' ),
+			'filter_items_list'     => __( 'Filter rooms list', 'wp-bnb' ),
+			'items_list_navigation' => __( 'Rooms list navigation', 'wp-bnb' ),
+			'items_list'            => __( 'Rooms list', 'wp-bnb' ),
+		);
+
+		$args = array(
+			'labels'              => $labels,
+			'public'              => true,
+			'publicly_queryable'  => true,
+			'show_ui'             => true,
+			'show_in_menu'        => 'wp-bnb',
+			'query_var'           => true,
+			'rewrite'             => array(
+				'slug'       => 'room',
+				'with_front' => false,
+			),
+			'capability_type'     => 'post',
+			'has_archive'         => true,
+			'hierarchical'        => false,
+			'menu_position'       => null,
+			'menu_icon'           => 'dashicons-admin-home',
+			'supports'            => array(
+				'title',
+				'editor',
+				'thumbnail',
+				'excerpt',
+				'revisions',
+			),
+			'show_in_rest'        => true,
+			'rest_base'           => 'rooms',
+			'rest_controller_class' => 'WP_REST_Posts_Controller',
+			'taxonomies'          => array( RoomType::TAXONOMY, Amenity::TAXONOMY ),
+		);
+
+		register_post_type( self::POST_TYPE, $args );
+	}
+
+	/**
+	 * Add meta boxes.
+	 *
+	 * @return void
+	 */
+	public static function add_meta_boxes(): void {
+		add_meta_box(
+			'bnb_room_building',
+			__( 'Building', 'wp-bnb' ),
+			array( self::class, 'render_building_meta_box' ),
+			self::POST_TYPE,
+			'side',
+			'high'
+		);
+
+		add_meta_box(
+			'bnb_room_details',
+			__( 'Room Details', 'wp-bnb' ),
+			array( self::class, 'render_details_meta_box' ),
+			self::POST_TYPE,
+			'normal',
+			'high'
+		);
+
+		add_meta_box(
+			'bnb_room_gallery',
+			__( 'Room Gallery', 'wp-bnb' ),
+			array( self::class, 'render_gallery_meta_box' ),
+			self::POST_TYPE,
+			'normal',
+			'default'
+		);
+
+		add_meta_box(
+			'bnb_room_pricing',
+			__( 'Room Pricing', 'wp-bnb' ),
+			array( self::class, 'render_pricing_meta_box' ),
+			self::POST_TYPE,
+			'normal',
+			'high'
+		);
+	}
+
+	/**
+	 * Render building selection meta box.
+	 *
+	 * @param \WP_Post $post Current post object.
+	 * @return void
+	 */
+	public static function render_building_meta_box( \WP_Post $post ): void {
+		wp_nonce_field( 'bnb_room_meta', 'bnb_room_meta_nonce' );
+
+		$building_id = get_post_meta( $post->ID, self::META_PREFIX . 'building_id', true );
+		$buildings   = get_posts(
+			array(
+				'post_type'      => Building::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => -1,
+				'orderby'        => 'title',
+				'order'          => 'ASC',
+			)
+		);
+		?>
+		<p>
+			<label for="bnb_room_building_id"><?php esc_html_e( 'Select Building', 'wp-bnb' ); ?></label>
+		</p>
+		<select id="bnb_room_building_id" name="bnb_room_building_id" class="widefat" required>
+			<option value=""><?php esc_html_e( '— Select Building —', 'wp-bnb' ); ?></option>
+			<?php foreach ( $buildings as $building ) : ?>
+				<option value="<?php echo esc_attr( $building->ID ); ?>" <?php selected( $building_id, $building->ID ); ?>>
+					<?php echo esc_html( $building->post_title ); ?>
+				</option>
+			<?php endforeach; ?>
+		</select>
+		<?php if ( empty( $buildings ) ) : ?>
+			<p class="description">
+				<?php
+				printf(
+					/* translators: %s: Link to add new building */
+					esc_html__( 'No buildings found. %s first.', 'wp-bnb' ),
+					'<a href="' . esc_url( admin_url( 'post-new.php?post_type=' . Building::POST_TYPE ) ) . '">' . esc_html__( 'Add a building', 'wp-bnb' ) . '</a>'
+				);
+				?>
+			</p>
+		<?php endif; ?>
+		<?php
+	}
+
+	/**
+	 * Render room details meta box.
+	 *
+	 * @param \WP_Post $post Current post object.
+	 * @return void
+	 */
+	public static function render_details_meta_box( \WP_Post $post ): void {
+		$room_number = get_post_meta( $post->ID, self::META_PREFIX . 'room_number', true );
+		$floor       = get_post_meta( $post->ID, self::META_PREFIX . 'floor', true );
+		$capacity    = get_post_meta( $post->ID, self::META_PREFIX . 'capacity', true );
+		$max_adults  = get_post_meta( $post->ID, self::META_PREFIX . 'max_adults', true );
+		$max_children = get_post_meta( $post->ID, self::META_PREFIX . 'max_children', true );
+		$size        = get_post_meta( $post->ID, self::META_PREFIX . 'size', true );
+		$beds        = get_post_meta( $post->ID, self::META_PREFIX . 'beds', true );
+		$bathrooms   = get_post_meta( $post->ID, self::META_PREFIX . 'bathrooms', true );
+		$status      = get_post_meta( $post->ID, self::META_PREFIX . 'status', true );
+		?>
+		<table class="form-table">
+			<tr>
+				<th scope="row">
+					<label for="bnb_room_room_number"><?php esc_html_e( 'Room Number', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="text" id="bnb_room_room_number" name="bnb_room_room_number"
+						   value="<?php echo esc_attr( $room_number ); ?>" class="regular-text">
+					<p class="description"><?php esc_html_e( 'Room identifier (e.g., 101, A-12, Suite B)', 'wp-bnb' ); ?></p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_room_floor"><?php esc_html_e( 'Floor', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="number" id="bnb_room_floor" name="bnb_room_floor"
+						   value="<?php echo esc_attr( $floor ); ?>" class="small-text" min="0">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_room_size"><?php esc_html_e( 'Size (m²)', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="number" id="bnb_room_size" name="bnb_room_size"
+						   value="<?php echo esc_attr( $size ); ?>" class="small-text" min="1" step="0.1">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<?php esc_html_e( 'Capacity', 'wp-bnb' ); ?>
+				</th>
+				<td>
+					<label for="bnb_room_capacity"><?php esc_html_e( 'Total Guests', 'wp-bnb' ); ?></label>
+					<input type="number" id="bnb_room_capacity" name="bnb_room_capacity"
+						   value="<?php echo esc_attr( $capacity ?: '2' ); ?>" class="small-text" min="1" max="20">
+					<br><br>
+					<label for="bnb_room_max_adults"><?php esc_html_e( 'Max Adults', 'wp-bnb' ); ?></label>
+					<input type="number" id="bnb_room_max_adults" name="bnb_room_max_adults"
+						   value="<?php echo esc_attr( $max_adults ?: '2' ); ?>" class="small-text" min="1" max="10">
+					<br><br>
+					<label for="bnb_room_max_children"><?php esc_html_e( 'Max Children', 'wp-bnb' ); ?></label>
+					<input type="number" id="bnb_room_max_children" name="bnb_room_max_children"
+						   value="<?php echo esc_attr( $max_children ?: '0' ); ?>" class="small-text" min="0" max="10">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_room_beds"><?php esc_html_e( 'Beds', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="text" id="bnb_room_beds" name="bnb_room_beds"
+						   value="<?php echo esc_attr( $beds ); ?>" class="regular-text">
+					<p class="description"><?php esc_html_e( 'Description of beds (e.g., 1 King, 2 Singles)', 'wp-bnb' ); ?></p>
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_room_bathrooms"><?php esc_html_e( 'Bathrooms', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<input type="number" id="bnb_room_bathrooms" name="bnb_room_bathrooms"
+						   value="<?php echo esc_attr( $bathrooms ?: '1' ); ?>" class="small-text" min="0" max="5" step="0.5">
+				</td>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_room_status"><?php esc_html_e( 'Room Status', 'wp-bnb' ); ?></label>
+				</th>
+				<td>
+					<select id="bnb_room_status" name="bnb_room_status">
+						<?php foreach ( self::get_room_statuses() as $key => $label ) : ?>
+							<option value="<?php echo esc_attr( $key ); ?>" <?php selected( $status ?: 'available', $key ); ?>>
+								<?php echo esc_html( $label ); ?>
+							</option>
+						<?php endforeach; ?>
+					</select>
+				</td>
+			</tr>
+		</table>
+		<?php
+	}
+
+	/**
+	 * Render gallery meta box.
+	 *
+	 * @param \WP_Post $post Current post object.
+	 * @return void
+	 */
+	public static function render_gallery_meta_box( \WP_Post $post ): void {
+		$gallery_ids = get_post_meta( $post->ID, self::META_PREFIX . 'gallery', true );
+		$gallery_ids = $gallery_ids ? explode( ',', $gallery_ids ) : array();
+		?>
+		<div id="bnb-room-gallery" class="bnb-gallery-container">
+			<div class="bnb-gallery-images">
+				<?php foreach ( $gallery_ids as $image_id ) : ?>
+					<?php $image = wp_get_attachment_image_src( $image_id, 'thumbnail' ); ?>
+					<?php if ( $image ) : ?>
+						<div class="bnb-gallery-image" data-id="<?php echo esc_attr( $image_id ); ?>">
+							<img src="<?php echo esc_url( $image[0] ); ?>" alt="">
+							<button type="button" class="bnb-remove-image">&times;</button>
+						</div>
+					<?php endif; ?>
+				<?php endforeach; ?>
+			</div>
+			<input type="hidden" id="bnb_room_gallery" name="bnb_room_gallery"
+				   value="<?php echo esc_attr( implode( ',', $gallery_ids ) ); ?>">
+			<button type="button" id="bnb-add-gallery-images" class="button">
+				<?php esc_html_e( 'Add Images', 'wp-bnb' ); ?>
+			</button>
+		</div>
+		<p class="description"><?php esc_html_e( 'Add additional images for this room. Drag to reorder.', 'wp-bnb' ); ?></p>
+		<?php
+	}
+
+	/**
+	 * Render pricing meta box.
+	 *
+	 * @param \WP_Post $post Current post object.
+	 * @return void
+	 */
+	public static function render_pricing_meta_box( \WP_Post $post ): void {
+		$pricing  = Calculator::getRoomPricing( $post->ID );
+		$currency = get_option( 'wp_bnb_currency', 'CHF' );
+		?>
+		<table class="form-table bnb-pricing-table">
+			<tr>
+				<th scope="row" colspan="2">
+					<h4><?php esc_html_e( 'Base Prices', 'wp-bnb' ); ?></h4>
+				</th>
+			</tr>
+			<?php foreach ( PricingTier::cases() as $tier ) : ?>
+				<tr>
+					<th scope="row">
+						<label for="bnb_room_price_<?php echo esc_attr( $tier->value ); ?>">
+							<?php echo esc_html( $tier->label() ); ?>
+						</label>
+					</th>
+					<td>
+						<div class="bnb-price-input-wrapper">
+							<input type="number"
+								   id="bnb_room_price_<?php echo esc_attr( $tier->value ); ?>"
+								   name="bnb_room_price_<?php echo esc_attr( $tier->value ); ?>"
+								   value="<?php echo esc_attr( $pricing[ $tier->value ]['price'] ?? '' ); ?>"
+								   class="small-text"
+								   min="0"
+								   step="0.01">
+							<span class="bnb-price-unit">
+								<?php echo esc_html( $currency ); ?> <?php echo esc_html( $tier->unit() ); ?>
+							</span>
+						</div>
+					</td>
+				</tr>
+			<?php endforeach; ?>
+			<tr>
+				<th scope="row" colspan="2">
+					<h4><?php esc_html_e( 'Adjustments', 'wp-bnb' ); ?></h4>
+				</th>
+			</tr>
+			<tr>
+				<th scope="row">
+					<label for="bnb_room_price_weekend_surcharge">
+						<?php esc_html_e( 'Weekend Surcharge', 'wp-bnb' ); ?>
+					</label>
+				</th>
+				<td>
+					<div class="bnb-price-input-wrapper">
+						<input type="number"
+							   id="bnb_room_price_weekend_surcharge"
+							   name="bnb_room_price_weekend_surcharge"
+							   value="<?php echo esc_attr( $pricing['weekend_surcharge']['price'] ?? '' ); ?>"
+							   class="small-text"
+							   min="0"
+							   step="0.01">
+						<span class="bnb-price-unit">
+							<?php echo esc_html( $currency ); ?> <?php esc_html_e( 'per night', 'wp-bnb' ); ?>
+						</span>
+					</div>
+					<p class="description">
+						<?php esc_html_e( 'Additional amount charged for weekend nights (Friday/Saturday by default).', 'wp-bnb' ); ?>
+					</p>
+				</td>
+			</tr>
+		</table>
+		<p class="description">
+			<?php
+			printf(
+				/* translators: %s: Link to pricing settings */
+				esc_html__( 'Seasonal pricing and tier thresholds can be configured in %s.', 'wp-bnb' ),
+				'<a href="' . esc_url( admin_url( 'admin.php?page=wp-bnb-settings&tab=pricing' ) ) . '">' . esc_html__( 'Pricing Settings', 'wp-bnb' ) . '</a>'
+			);
+			?>
+		</p>
+		<?php
+	}
+
+	/**
+	 * Save post meta.
+	 *
+	 * @param int      $post_id Post ID.
+	 * @param \WP_Post $post    Post object.
+	 * @return void
+	 */
+	public static function save_meta( int $post_id, \WP_Post $post ): void {
+		// Verify nonce.
+		if ( ! isset( $_POST['bnb_room_meta_nonce'] ) ||
+			 ! wp_verify_nonce( sanitize_key( $_POST['bnb_room_meta_nonce'] ), 'bnb_room_meta' ) ) {
+			return;
+		}
+
+		// Check autosave.
+		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
+			return;
+		}
+
+		// Check permissions.
+		if ( ! current_user_can( 'edit_post', $post_id ) ) {
+			return;
+		}
+
+		// Building ID.
+		if ( isset( $_POST['bnb_room_building_id'] ) ) {
+			update_post_meta(
+				$post_id,
+				self::META_PREFIX . 'building_id',
+				absint( $_POST['bnb_room_building_id'] )
+			);
+		}
+
+		// Text fields.
+		$text_fields = array( 'room_number', 'beds', 'status' );
+		foreach ( $text_fields as $field ) {
+			$key = 'bnb_room_' . $field;
+			if ( isset( $_POST[ $key ] ) ) {
+				update_post_meta(
+					$post_id,
+					self::META_PREFIX . $field,
+					sanitize_text_field( wp_unslash( $_POST[ $key ] ) )
+				);
+			}
+		}
+
+		// Numeric fields.
+		$numeric_fields = array( 'floor', 'capacity', 'max_adults', 'max_children' );
+		foreach ( $numeric_fields as $field ) {
+			$key = 'bnb_room_' . $field;
+			if ( isset( $_POST[ $key ] ) ) {
+				update_post_meta(
+					$post_id,
+					self::META_PREFIX . $field,
+					absint( $_POST[ $key ] )
+				);
+			}
+		}
+
+		// Float fields.
+		$float_fields = array( 'size', 'bathrooms' );
+		foreach ( $float_fields as $field ) {
+			$key = 'bnb_room_' . $field;
+			if ( isset( $_POST[ $key ] ) ) {
+				update_post_meta(
+					$post_id,
+					self::META_PREFIX . $field,
+					floatval( $_POST[ $key ] )
+				);
+			}
+		}
+
+		// Gallery.
+		if ( isset( $_POST['bnb_room_gallery'] ) ) {
+			$gallery_ids = sanitize_text_field( wp_unslash( $_POST['bnb_room_gallery'] ) );
+			// Validate that each ID is numeric.
+			$ids = array_filter( explode( ',', $gallery_ids ), 'is_numeric' );
+			update_post_meta(
+				$post_id,
+				self::META_PREFIX . 'gallery',
+				implode( ',', $ids )
+			);
+		}
+
+		// Pricing fields.
+		$pricing_data = array();
+		foreach ( PricingTier::cases() as $tier ) {
+			$key = 'bnb_room_price_' . $tier->value;
+			if ( isset( $_POST[ $key ] ) && '' !== $_POST[ $key ] ) {
+				$pricing_data[ $tier->value ] = floatval( $_POST[ $key ] );
+			}
+		}
+
+		if ( isset( $_POST['bnb_room_price_weekend_surcharge'] ) ) {
+			$pricing_data['weekend_surcharge'] = floatval( $_POST['bnb_room_price_weekend_surcharge'] );
+		}
+
+		if ( ! empty( $pricing_data ) ) {
+			Calculator::saveRoomPricing( $post_id, $pricing_data );
+		}
+	}
+
+	/**
+	 * Add custom columns to the post list.
+	 *
+	 * @param array $columns Existing columns.
+	 * @return array
+	 */
+	public static function add_columns( array $columns ): array {
+		$new_columns = array();
+		foreach ( $columns as $key => $value ) {
+			if ( 'taxonomy-bnb_room_type' === $key ) {
+				continue; // Will add after title.
+			}
+			if ( 'taxonomy-bnb_amenity' === $key ) {
+				continue; // Will add after room type.
+			}
+			$new_columns[ $key ] = $value;
+			if ( 'title' === $key ) {
+				$new_columns['building']  = __( 'Building', 'wp-bnb' );
+				$new_columns['room_number'] = __( 'Room #', 'wp-bnb' );
+				$new_columns['taxonomy-bnb_room_type'] = __( 'Room Type', 'wp-bnb' );
+				$new_columns['capacity']  = __( 'Capacity', 'wp-bnb' );
+				$new_columns['price']     = __( 'Price/Night', 'wp-bnb' );
+				$new_columns['status']    = __( 'Status', 'wp-bnb' );
+			}
+		}
+		return $new_columns;
+	}
+
+	/**
+	 * Render custom column content.
+	 *
+	 * @param string $column  Column name.
+	 * @param int    $post_id Post ID.
+	 * @return void
+	 */
+	public static function render_column( string $column, int $post_id ): void {
+		switch ( $column ) {
+			case 'building':
+				$building_id = get_post_meta( $post_id, self::META_PREFIX . 'building_id', true );
+				if ( $building_id ) {
+					$building = get_post( $building_id );
+					if ( $building ) {
+						printf(
+							'<a href="%s">%s</a>',
+							esc_url( get_edit_post_link( $building_id ) ),
+							esc_html( $building->post_title )
+						);
+					} else {
+						echo '—';
+					}
+				} else {
+					echo '—';
+				}
+				break;
+
+			case 'room_number':
+				$room_number = get_post_meta( $post_id, self::META_PREFIX . 'room_number', true );
+				echo esc_html( $room_number ?: '—' );
+				break;
+
+			case 'capacity':
+				$capacity = get_post_meta( $post_id, self::META_PREFIX . 'capacity', true );
+				if ( $capacity ) {
+					printf(
+						'<span class="dashicons dashicons-groups"></span> %s',
+						esc_html( $capacity )
+					);
+				} else {
+					echo '—';
+				}
+				break;
+
+			case 'price':
+				$pricing = Calculator::getRoomPricing( $post_id );
+				$nightly = $pricing[ PricingTier::SHORT_TERM->value ]['price'] ?? null;
+				if ( $nightly ) {
+					echo esc_html( Calculator::formatPrice( $nightly ) );
+				} else {
+					echo '<span class="bnb-no-price">' . esc_html__( 'Not set', 'wp-bnb' ) . '</span>';
+				}
+				break;
+
+			case 'status':
+				$status   = get_post_meta( $post_id, self::META_PREFIX . 'status', true ) ?: 'available';
+				$statuses = self::get_room_statuses();
+				$colors   = self::get_status_colors();
+				?>
+				<span class="bnb-status-badge" style="background-color: <?php echo esc_attr( $colors[ $status ] ?? '#ccc' ); ?>">
+					<?php echo esc_html( $statuses[ $status ] ?? $status ); ?>
+				</span>
+				<?php
+				break;
+		}
+	}
+
+	/**
+	 * Add sortable columns.
+	 *
+	 * @param array $columns Existing sortable columns.
+	 * @return array
+	 */
+	public static function sortable_columns( array $columns ): array {
+		$columns['building']    = 'building';
+		$columns['room_number'] = 'room_number';
+		$columns['capacity']    = 'capacity';
+		return $columns;
+	}
+
+	/**
+	 * Add building filter dropdown to admin list.
+	 *
+	 * @param string $post_type Current post type.
+	 * @return void
+	 */
+	public static function add_building_filter( string $post_type ): void {
+		if ( self::POST_TYPE !== $post_type ) {
+			return;
+		}
+
+		$buildings = get_posts(
+			array(
+				'post_type'      => Building::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => -1,
+				'orderby'        => 'title',
+				'order'          => 'ASC',
+			)
+		);
+
+		if ( empty( $buildings ) ) {
+			return;
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Filter display only.
+		$selected = isset( $_GET['building_id'] ) ? absint( $_GET['building_id'] ) : 0;
+		?>
+		<select name="building_id">
+			<option value=""><?php esc_html_e( 'All Buildings', 'wp-bnb' ); ?></option>
+			<?php foreach ( $buildings as $building ) : ?>
+				<option value="<?php echo esc_attr( $building->ID ); ?>" <?php selected( $selected, $building->ID ); ?>>
+					<?php echo esc_html( $building->post_title ); ?>
+				</option>
+			<?php endforeach; ?>
+		</select>
+		<?php
+	}
+
+	/**
+	 * Filter rooms by building in admin list.
+	 *
+	 * @param \WP_Query $query Current query.
+	 * @return void
+	 */
+	public static function filter_by_building( \WP_Query $query ): void {
+		if ( ! is_admin() || ! $query->is_main_query() ) {
+			return;
+		}
+
+		if ( self::POST_TYPE !== $query->get( 'post_type' ) ) {
+			return;
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Filter query only.
+		if ( ! empty( $_GET['building_id'] ) ) {
+			$query->set(
+				'meta_query',
+				array(
+					array(
+						'key'   => self::META_PREFIX . 'building_id',
+						'value' => absint( $_GET['building_id'] ),
+					),
+				)
+			);
+		}
+	}
+
+	/**
+	 * Change title placeholder.
+	 *
+	 * @param string   $placeholder Default placeholder.
+	 * @param \WP_Post $post        Current post.
+	 * @return string
+	 */
+	public static function change_title_placeholder( string $placeholder, \WP_Post $post ): string {
+		if ( self::POST_TYPE === $post->post_type ) {
+			return __( 'Enter room name', 'wp-bnb' );
+		}
+		return $placeholder;
+	}
+
+	/**
+	 * Get room status options.
+	 *
+	 * @return array<string, string>
+	 */
+	public static function get_room_statuses(): array {
+		return array(
+			'available'   => __( 'Available', 'wp-bnb' ),
+			'occupied'    => __( 'Occupied', 'wp-bnb' ),
+			'maintenance' => __( 'Maintenance', 'wp-bnb' ),
+			'blocked'     => __( 'Blocked', 'wp-bnb' ),
+		);
+	}
+
+	/**
+	 * Get status color codes.
+	 *
+	 * @return array<string, string>
+	 */
+	public static function get_status_colors(): array {
+		return array(
+			'available'   => '#00a32a',
+			'occupied'    => '#72aee6',
+			'maintenance' => '#dba617',
+			'blocked'     => '#d63638',
+		);
+	}
+
+	/**
+	 * Get building for a room.
+	 *
+	 * @param int $room_id Room post ID.
+	 * @return \WP_Post|null
+	 */
+	public static function get_building( int $room_id ): ?\WP_Post {
+		$building_id = get_post_meta( $room_id, self::META_PREFIX . 'building_id', true );
+		if ( ! $building_id ) {
+			return null;
+		}
+		return get_post( $building_id );
+	}
+
+	/**
+	 * Get rooms for a building.
+	 *
+	 * @param int $building_id Building post ID.
+	 * @return array<\WP_Post>
+	 */
+	public static function get_rooms_for_building( int $building_id ): array {
+		return get_posts(
+			array(
+				'post_type'      => self::POST_TYPE,
+				'post_status'    => 'publish',
+				'posts_per_page' => -1,
+				'meta_query'     => array(
+					array(
+						'key'   => self::META_PREFIX . 'building_id',
+						'value' => $building_id,
+					),
+				),
+				'orderby'        => 'meta_value',
+				'meta_key'       => self::META_PREFIX . 'room_number',
+				'order'          => 'ASC',
+			)
+		);
+	}
+}

src/Pricing/Calculator.php

@@ -0,0 +1,363 @@
+<?php
+/**
+ * Price calculator.
+ *
+ * Handles price calculations for room bookings.
+ *
+ * @package Magdev\WpBnb\Pricing
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Pricing;
+
+use Magdev\WpBnb\PostTypes\Room;
+
+/**
+ * Price calculator class.
+ */
+final class Calculator {
+
+	/**
+	 * Meta key prefix for room pricing.
+	 *
+	 * @var string
+	 */
+	private const META_PREFIX = '_bnb_room_price_';
+
+	/**
+	 * Room post ID.
+	 *
+	 * @var int
+	 */
+	private int $room_id;
+
+	/**
+	 * Check-in date.
+	 *
+	 * @var \DateTimeImmutable
+	 */
+	private \DateTimeImmutable $check_in;
+
+	/**
+	 * Check-out date.
+	 *
+	 * @var \DateTimeImmutable
+	 */
+	private \DateTimeImmutable $check_out;
+
+	/**
+	 * Price breakdown.
+	 *
+	 * @var array
+	 */
+	private array $breakdown = array();
+
+	/**
+	 * Constructor.
+	 *
+	 * @param int                                  $room_id   Room post ID.
+	 * @param \DateTimeInterface|string            $check_in  Check-in date.
+	 * @param \DateTimeInterface|string            $check_out Check-out date.
+	 */
+	public function __construct( int $room_id, \DateTimeInterface|string $check_in, \DateTimeInterface|string $check_out ) {
+		$this->room_id = $room_id;
+
+		if ( is_string( $check_in ) ) {
+			$check_in = new \DateTimeImmutable( $check_in );
+		} elseif ( $check_in instanceof \DateTime ) {
+			$check_in = \DateTimeImmutable::createFromMutable( $check_in );
+		}
+
+		if ( is_string( $check_out ) ) {
+			$check_out = new \DateTimeImmutable( $check_out );
+		} elseif ( $check_out instanceof \DateTime ) {
+			$check_out = \DateTimeImmutable::createFromMutable( $check_out );
+		}
+
+		$this->check_in  = $check_in;
+		$this->check_out = $check_out;
+	}
+
+	/**
+	 * Get the number of nights.
+	 *
+	 * @return int
+	 */
+	public function getNights(): int {
+		$interval = $this->check_in->diff( $this->check_out );
+		return max( 1, $interval->days );
+	}
+
+	/**
+	 * Get the pricing tier for this stay.
+	 *
+	 * @return PricingTier
+	 */
+	public function getTier(): PricingTier {
+		return PricingTier::fromNights( $this->getNights() );
+	}
+
+	/**
+	 * Get the base price for a room.
+	 *
+	 * @param PricingTier $tier Pricing tier.
+	 * @return float
+	 */
+	public function getBasePrice( PricingTier $tier ): float {
+		$meta_key = self::META_PREFIX . $tier->value;
+		$price    = get_post_meta( $this->room_id, $meta_key, true );
+		return $price ? (float) $price : 0.0;
+	}
+
+	/**
+	 * Get the weekend surcharge for a room.
+	 *
+	 * @return float Surcharge as absolute amount.
+	 */
+	public function getWeekendSurcharge(): float {
+		$surcharge = get_post_meta( $this->room_id, self::META_PREFIX . 'weekend_surcharge', true );
+		return $surcharge ? (float) $surcharge : 0.0;
+	}
+
+	/**
+	 * Check if weekend surcharge is enabled for this room.
+	 *
+	 * @return bool
+	 */
+	public function hasWeekendSurcharge(): bool {
+		return $this->getWeekendSurcharge() > 0;
+	}
+
+	/**
+	 * Check if a date is a weekend day.
+	 *
+	 * @param \DateTimeInterface $date Date to check.
+	 * @return bool
+	 */
+	public static function isWeekend( \DateTimeInterface $date ): bool {
+		$day_of_week = (int) $date->format( 'N' ); // 1 = Monday, 7 = Sunday.
+		$weekend_days = array_map(
+			'intval',
+			explode( ',', (string) get_option( 'wp_bnb_weekend_days', '5,6' ) ) // Default: Friday, Saturday.
+		);
+		return in_array( $day_of_week, $weekend_days, true );
+	}
+
+	/**
+	 * Calculate the total price.
+	 *
+	 * @return float
+	 */
+	public function calculate(): float {
+		$this->breakdown = array();
+
+		$nights = $this->getNights();
+		$tier   = $this->getTier();
+
+		$base_price        = $this->getBasePrice( $tier );
+		$weekend_surcharge = $this->getWeekendSurcharge();
+
+		// If no base price is set, return 0.
+		if ( $base_price <= 0 ) {
+			return 0.0;
+		}
+
+		$total = 0.0;
+
+		// Calculate based on tier.
+		switch ( $tier ) {
+			case PricingTier::LONG_TERM:
+				// Monthly pricing.
+				$months = ceil( $nights / 30 );
+				$total  = $base_price * $months;
+				$this->breakdown['months'] = $months;
+				$this->breakdown['monthly_rate'] = $base_price;
+				break;
+
+			case PricingTier::MID_TERM:
+				// Weekly pricing.
+				$weeks = ceil( $nights / 7 );
+				$total = $base_price * $weeks;
+				$this->breakdown['weeks'] = $weeks;
+				$this->breakdown['weekly_rate'] = $base_price;
+				break;
+
+			case PricingTier::SHORT_TERM:
+			default:
+				// Nightly pricing with seasonal adjustments and weekend surcharges.
+				$current = $this->check_in;
+				$breakdown_nights = array();
+
+				for ( $i = 0; $i < $nights; $i++ ) {
+					$night_price = $base_price;
+					$modifiers   = array();
+
+					// Apply seasonal pricing.
+					$season = Season::forDate( $current );
+					if ( $season ) {
+						$night_price *= $season->modifier;
+						$modifiers['season'] = array(
+							'name'     => $season->name,
+							'modifier' => $season->modifier,
+						);
+					}
+
+					// Apply weekend surcharge.
+					if ( $weekend_surcharge > 0 && self::isWeekend( $current ) ) {
+						$night_price += $weekend_surcharge;
+						$modifiers['weekend'] = $weekend_surcharge;
+					}
+
+					$breakdown_nights[] = array(
+						'date'      => $current->format( 'Y-m-d' ),
+						'base'      => $base_price,
+						'final'     => $night_price,
+						'modifiers' => $modifiers,
+					);
+
+					$total  += $night_price;
+					$current = $current->modify( '+1 day' );
+				}
+
+				$this->breakdown['nights']       = $breakdown_nights;
+				$this->breakdown['nightly_rate'] = $base_price;
+				break;
+		}
+
+		$this->breakdown['tier']  = $tier->value;
+		$this->breakdown['total'] = $total;
+
+		/**
+		 * Filter the calculated price.
+		 *
+		 * @param float      $total      Calculated total price.
+		 * @param int        $room_id    Room post ID.
+		 * @param Calculator $calculator Calculator instance.
+		 */
+		return (float) apply_filters( 'wp_bnb_calculate_price', $total, $this->room_id, $this );
+	}
+
+	/**
+	 * Get the price breakdown.
+	 *
+	 * Must be called after calculate().
+	 *
+	 * @return array
+	 */
+	public function getBreakdown(): array {
+		return $this->breakdown;
+	}
+
+	/**
+	 * Format a price with currency.
+	 *
+	 * @param float  $amount   Amount to format.
+	 * @param string $currency Currency code. Default from settings.
+	 * @return string
+	 */
+	public static function formatPrice( float $amount, string $currency = '' ): string {
+		if ( empty( $currency ) ) {
+			$currency = get_option( 'wp_bnb_currency', 'CHF' );
+		}
+
+		$symbols = array(
+			'CHF' => 'CHF',
+			'EUR' => "\u{20AC}",
+			'USD' => '$',
+			'GBP' => "\u{00A3}",
+		);
+
+		$symbol    = $symbols[ $currency ] ?? $currency;
+		$formatted = number_format( $amount, 2, '.', "'" );
+
+		// CHF uses suffix, others use prefix.
+		if ( 'CHF' === $currency ) {
+			return $formatted . ' ' . $symbol;
+		}
+
+		return $symbol . ' ' . $formatted;
+	}
+
+	/**
+	 * Get room pricing summary.
+	 *
+	 * @param int $room_id Room post ID.
+	 * @return array
+	 */
+	public static function getRoomPricing( int $room_id ): array {
+		$pricing = array();
+
+		foreach ( PricingTier::cases() as $tier ) {
+			$meta_key = self::META_PREFIX . $tier->value;
+			$price    = get_post_meta( $room_id, $meta_key, true );
+
+			$pricing[ $tier->value ] = array(
+				'label' => $tier->label(),
+				'unit'  => $tier->unit(),
+				'price' => $price ? (float) $price : null,
+			);
+		}
+
+		$pricing['weekend_surcharge'] = array(
+			'label' => __( 'Weekend Surcharge', 'wp-bnb' ),
+			'price' => (float) get_post_meta( $room_id, self::META_PREFIX . 'weekend_surcharge', true ),
+		);
+
+		return $pricing;
+	}
+
+	/**
+	 * Save room pricing.
+	 *
+	 * @param int   $room_id Room post ID.
+	 * @param array $pricing Pricing data with tier keys.
+	 * @return void
+	 */
+	public static function saveRoomPricing( int $room_id, array $pricing ): void {
+		foreach ( PricingTier::cases() as $tier ) {
+			if ( isset( $pricing[ $tier->value ] ) ) {
+				update_post_meta(
+					$room_id,
+					self::META_PREFIX . $tier->value,
+					floatval( $pricing[ $tier->value ] )
+				);
+			}
+		}
+
+		if ( isset( $pricing['weekend_surcharge'] ) ) {
+			update_post_meta(
+				$room_id,
+				self::META_PREFIX . 'weekend_surcharge',
+				floatval( $pricing['weekend_surcharge'] )
+			);
+		}
+	}
+
+	/**
+	 * Get the check-in date.
+	 *
+	 * @return \DateTimeImmutable
+	 */
+	public function getCheckIn(): \DateTimeImmutable {
+		return $this->check_in;
+	}
+
+	/**
+	 * Get the check-out date.
+	 *
+	 * @return \DateTimeImmutable
+	 */
+	public function getCheckOut(): \DateTimeImmutable {
+		return $this->check_out;
+	}
+
+	/**
+	 * Get the room ID.
+	 *
+	 * @return int
+	 */
+	public function getRoomId(): int {
+		return $this->room_id;
+	}
+}

src/Pricing/PricingTier.php

@@ -0,0 +1,159 @@
+<?php
+/**
+ * Pricing tier enumeration.
+ *
+ * Defines the pricing tiers for short, mid, and long-term stays.
+ *
+ * @package Magdev\WpBnb\Pricing
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Pricing;
+
+/**
+ * Pricing tier enum.
+ */
+enum PricingTier: string {
+
+	/**
+	 * Short-term stay (per night).
+	 * Default: 1-6 nights.
+	 */
+	case SHORT_TERM = 'short_term';
+
+	/**
+	 * Mid-term stay (per week).
+	 * Default: 7-27 nights (1-4 weeks).
+	 */
+	case MID_TERM = 'mid_term';
+
+	/**
+	 * Long-term stay (per month).
+	 * Default: 28+ nights (1+ months).
+	 */
+	case LONG_TERM = 'long_term';
+
+	/**
+	 * Get the label for this tier.
+	 *
+	 * @return string
+	 */
+	public function label(): string {
+		return match ( $this ) {
+			self::SHORT_TERM => __( 'Short-term (Nightly)', 'wp-bnb' ),
+			self::MID_TERM   => __( 'Mid-term (Weekly)', 'wp-bnb' ),
+			self::LONG_TERM  => __( 'Long-term (Monthly)', 'wp-bnb' ),
+		};
+	}
+
+	/**
+	 * Get the unit label for this tier.
+	 *
+	 * @return string
+	 */
+	public function unit(): string {
+		return match ( $this ) {
+			self::SHORT_TERM => __( 'per night', 'wp-bnb' ),
+			self::MID_TERM   => __( 'per week', 'wp-bnb' ),
+			self::LONG_TERM  => __( 'per month', 'wp-bnb' ),
+		};
+	}
+
+	/**
+	 * Get the unit label for this tier (singular).
+	 *
+	 * @return string
+	 */
+	public function unitSingular(): string {
+		return match ( $this ) {
+			self::SHORT_TERM => __( 'night', 'wp-bnb' ),
+			self::MID_TERM   => __( 'week', 'wp-bnb' ),
+			self::LONG_TERM  => __( 'month', 'wp-bnb' ),
+		};
+	}
+
+	/**
+	 * Get the unit label for this tier (plural).
+	 *
+	 * @return string
+	 */
+	public function unitPlural(): string {
+		return match ( $this ) {
+			self::SHORT_TERM => __( 'nights', 'wp-bnb' ),
+			self::MID_TERM   => __( 'weeks', 'wp-bnb' ),
+			self::LONG_TERM  => __( 'months', 'wp-bnb' ),
+		};
+	}
+
+	/**
+	 * Get the default minimum nights for this tier.
+	 *
+	 * @return int
+	 */
+	public function defaultMinNights(): int {
+		return match ( $this ) {
+			self::SHORT_TERM => 1,
+			self::MID_TERM   => 7,
+			self::LONG_TERM  => 28,
+		};
+	}
+
+	/**
+	 * Get the default maximum nights for this tier.
+	 *
+	 * @return int|null Null means unlimited.
+	 */
+	public function defaultMaxNights(): ?int {
+		return match ( $this ) {
+			self::SHORT_TERM => 6,
+			self::MID_TERM   => 27,
+			self::LONG_TERM  => null,
+		};
+	}
+
+	/**
+	 * Determine the pricing tier based on number of nights.
+	 *
+	 * @param int      $nights         Number of nights.
+	 * @param int|null $short_term_max Maximum nights for short-term. Default 6.
+	 * @param int|null $mid_term_max   Maximum nights for mid-term. Default 27.
+	 * @return self
+	 */
+	public static function fromNights( int $nights, ?int $short_term_max = null, ?int $mid_term_max = null ): self {
+		$short_term_max = $short_term_max ?? (int) get_option( 'wp_bnb_short_term_max_nights', 6 );
+		$mid_term_max   = $mid_term_max ?? (int) get_option( 'wp_bnb_mid_term_max_nights', 27 );
+
+		if ( $nights <= $short_term_max ) {
+			return self::SHORT_TERM;
+		}
+
+		if ( $nights <= $mid_term_max ) {
+			return self::MID_TERM;
+		}
+
+		return self::LONG_TERM;
+	}
+
+	/**
+	 * Get all tiers.
+	 *
+	 * @return array<self>
+	 */
+	public static function all(): array {
+		return self::cases();
+	}
+
+	/**
+	 * Get tier options for select fields.
+	 *
+	 * @return array<string, string>
+	 */
+	public static function options(): array {
+		$options = array();
+		foreach ( self::cases() as $tier ) {
+			$options[ $tier->value ] = $tier->label();
+		}
+		return $options;
+	}
+}

src/Pricing/Season.php

@@ -0,0 +1,319 @@
+<?php
+/**
+ * Seasonal pricing management.
+ *
+ * Handles seasonal pricing periods with date ranges and price modifiers.
+ *
+ * @package Magdev\WpBnb\Pricing
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Pricing;
+
+/**
+ * Season class for managing seasonal pricing.
+ */
+final class Season {
+
+	/**
+	 * Option name for storing seasons.
+	 *
+	 * @var string
+	 */
+	private const OPTION_NAME = 'wp_bnb_seasons';
+
+	/**
+	 * Season ID.
+	 *
+	 * @var string
+	 */
+	public string $id;
+
+	/**
+	 * Season name.
+	 *
+	 * @var string
+	 */
+	public string $name;
+
+	/**
+	 * Start date (format: MM-DD).
+	 *
+	 * @var string
+	 */
+	public string $start_date;
+
+	/**
+	 * End date (format: MM-DD).
+	 *
+	 * @var string
+	 */
+	public string $end_date;
+
+	/**
+	 * Price modifier (multiplier). 1.0 = normal, 1.2 = 20% increase, 0.8 = 20% decrease.
+	 *
+	 * @var float
+	 */
+	public float $modifier;
+
+	/**
+	 * Priority for overlapping seasons. Higher value = higher priority.
+	 *
+	 * @var int
+	 */
+	public int $priority;
+
+	/**
+	 * Whether this season is active.
+	 *
+	 * @var bool
+	 */
+	public bool $active;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param array $data Season data.
+	 */
+	public function __construct( array $data = array() ) {
+		$this->id         = $data['id'] ?? wp_generate_uuid4();
+		$this->name       = $data['name'] ?? '';
+		$this->start_date = $data['start_date'] ?? '';
+		$this->end_date   = $data['end_date'] ?? '';
+		$this->modifier   = isset( $data['modifier'] ) ? (float) $data['modifier'] : 1.0;
+		$this->priority   = isset( $data['priority'] ) ? (int) $data['priority'] : 0;
+		$this->active     = isset( $data['active'] ) ? (bool) $data['active'] : true;
+	}
+
+	/**
+	 * Convert to array.
+	 *
+	 * @return array
+	 */
+	public function toArray(): array {
+		return array(
+			'id'         => $this->id,
+			'name'       => $this->name,
+			'start_date' => $this->start_date,
+			'end_date'   => $this->end_date,
+			'modifier'   => $this->modifier,
+			'priority'   => $this->priority,
+			'active'     => $this->active,
+		);
+	}
+
+	/**
+	 * Check if a date falls within this season.
+	 *
+	 * @param \DateTimeInterface $date Date to check.
+	 * @param int|null           $year Year context (for spanning seasons like winter).
+	 * @return bool
+	 */
+	public function containsDate( \DateTimeInterface $date, ?int $year = null ): bool {
+		if ( ! $this->active ) {
+			return false;
+		}
+
+		$year = $year ?? (int) $date->format( 'Y' );
+
+		// Parse start and end as month-day.
+		$start_parts = explode( '-', $this->start_date );
+		$end_parts   = explode( '-', $this->end_date );
+
+		if ( count( $start_parts ) !== 2 || count( $end_parts ) !== 2 ) {
+			return false;
+		}
+
+		$start_month = (int) $start_parts[0];
+		$start_day   = (int) $start_parts[1];
+		$end_month   = (int) $end_parts[0];
+		$end_day     = (int) $end_parts[1];
+
+		$check_month = (int) $date->format( 'm' );
+		$check_day   = (int) $date->format( 'd' );
+
+		// Create comparable values (month * 100 + day).
+		$check_value = $check_month * 100 + $check_day;
+		$start_value = $start_month * 100 + $start_day;
+		$end_value   = $end_month * 100 + $end_day;
+
+		// Handle year-spanning seasons (e.g., December to February).
+		if ( $start_value > $end_value ) {
+			// Season spans year boundary.
+			return $check_value >= $start_value || $check_value <= $end_value;
+		}
+
+		// Normal season within same year.
+		return $check_value >= $start_value && $check_value <= $end_value;
+	}
+
+	/**
+	 * Get the display label for the modifier.
+	 *
+	 * @return string
+	 */
+	public function getModifierLabel(): string {
+		if ( $this->modifier === 1.0 ) {
+			return __( 'Normal', 'wp-bnb' );
+		}
+
+		$percentage = ( $this->modifier - 1 ) * 100;
+		if ( $percentage > 0 ) {
+			/* translators: %s: percentage increase */
+			return sprintf( __( '+%s%%', 'wp-bnb' ), number_format( $percentage, 0 ) );
+		}
+
+		/* translators: %s: percentage decrease */
+		return sprintf( __( '%s%%', 'wp-bnb' ), number_format( $percentage, 0 ) );
+	}
+
+	/**
+	 * Get all seasons.
+	 *
+	 * @return array<self>
+	 */
+	public static function all(): array {
+		$data    = get_option( self::OPTION_NAME, array() );
+		$seasons = array();
+
+		foreach ( $data as $season_data ) {
+			$seasons[] = new self( $season_data );
+		}
+
+		// Sort by priority (descending).
+		usort( $seasons, fn( Season $a, Season $b ) => $b->priority <=> $a->priority );
+
+		return $seasons;
+	}
+
+	/**
+	 * Get all active seasons.
+	 *
+	 * @return array<self>
+	 */
+	public static function allActive(): array {
+		return array_filter( self::all(), fn( Season $s ) => $s->active );
+	}
+
+	/**
+	 * Find a season by ID.
+	 *
+	 * @param string $id Season ID.
+	 * @return self|null
+	 */
+	public static function find( string $id ): ?self {
+		foreach ( self::all() as $season ) {
+			if ( $season->id === $id ) {
+				return $season;
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Get the applicable season for a date.
+	 *
+	 * Returns the highest priority active season that contains the date.
+	 *
+	 * @param \DateTimeInterface $date Date to check.
+	 * @return self|null
+	 */
+	public static function forDate( \DateTimeInterface $date ): ?self {
+		$seasons = self::allActive();
+
+		foreach ( $seasons as $season ) {
+			if ( $season->containsDate( $date ) ) {
+				return $season;
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * Save a season.
+	 *
+	 * @param self $season Season to save.
+	 * @return bool
+	 */
+	public static function save( self $season ): bool {
+		$data   = get_option( self::OPTION_NAME, array() );
+		$exists = false;
+
+		foreach ( $data as $index => $existing ) {
+			if ( $existing['id'] === $season->id ) {
+				$data[ $index ] = $season->toArray();
+				$exists         = true;
+				break;
+			}
+		}
+
+		if ( ! $exists ) {
+			$data[] = $season->toArray();
+		}
+
+		return update_option( self::OPTION_NAME, $data );
+	}
+
+	/**
+	 * Delete a season.
+	 *
+	 * @param string $id Season ID to delete.
+	 * @return bool
+	 */
+	public static function delete( string $id ): bool {
+		$data = get_option( self::OPTION_NAME, array() );
+		$data = array_filter( $data, fn( $s ) => $s['id'] !== $id );
+		return update_option( self::OPTION_NAME, array_values( $data ) );
+	}
+
+	/**
+	 * Create default seasons.
+	 *
+	 * @return void
+	 */
+	public static function createDefaults(): void {
+		$existing = get_option( self::OPTION_NAME, array() );
+		if ( ! empty( $existing ) ) {
+			return;
+		}
+
+		$defaults = array(
+			new self(
+				array(
+					'name'       => __( 'High Season', 'wp-bnb' ),
+					'start_date' => '06-15',
+					'end_date'   => '09-15',
+					'modifier'   => 1.25,
+					'priority'   => 10,
+					'active'     => true,
+				)
+			),
+			new self(
+				array(
+					'name'       => __( 'Winter Holidays', 'wp-bnb' ),
+					'start_date' => '12-20',
+					'end_date'   => '01-06',
+					'modifier'   => 1.30,
+					'priority'   => 20,
+					'active'     => true,
+				)
+			),
+			new self(
+				array(
+					'name'       => __( 'Low Season', 'wp-bnb' ),
+					'start_date' => '11-01',
+					'end_date'   => '03-31',
+					'modifier'   => 0.85,
+					'priority'   => 5,
+					'active'     => true,
+				)
+			),
+		);
+
+		$data = array_map( fn( Season $s ) => $s->toArray(), $defaults );
+		update_option( self::OPTION_NAME, $data );
+	}
+}

src/Taxonomies/Amenity.php

@@ -0,0 +1,242 @@
+<?php
+/**
+ * Amenity taxonomy.
+ *
+ * Non-hierarchical taxonomy for room amenities like WiFi, Parking, etc.
+ *
+ * @package Magdev\WpBnb\Taxonomies
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Taxonomies;
+
+/**
+ * Amenity taxonomy class.
+ */
+final class Amenity {
+
+	/**
+	 * Taxonomy slug.
+	 *
+	 * @var string
+	 */
+	public const TAXONOMY = 'bnb_amenity';
+
+	/**
+	 * Initialize the taxonomy.
+	 *
+	 * @return void
+	 */
+	public static function init(): void {
+		add_action( 'init', array( self::class, 'register' ) );
+		add_action( 'bnb_amenity_add_form_fields', array( self::class, 'add_form_fields' ) );
+		add_action( 'bnb_amenity_edit_form_fields', array( self::class, 'edit_form_fields' ), 10, 2 );
+		add_action( 'created_bnb_amenity', array( self::class, 'save_term_meta' ), 10, 2 );
+		add_action( 'edited_bnb_amenity', array( self::class, 'save_term_meta' ), 10, 2 );
+		add_filter( 'manage_edit-bnb_amenity_columns', array( self::class, 'add_columns' ) );
+		add_filter( 'manage_bnb_amenity_custom_column', array( self::class, 'render_column' ), 10, 3 );
+	}
+
+	/**
+	 * Register the taxonomy.
+	 *
+	 * @return void
+	 */
+	public static function register(): void {
+		$labels = array(
+			'name'                       => _x( 'Amenities', 'taxonomy general name', 'wp-bnb' ),
+			'singular_name'              => _x( 'Amenity', 'taxonomy singular name', 'wp-bnb' ),
+			'search_items'               => __( 'Search Amenities', 'wp-bnb' ),
+			'popular_items'              => __( 'Popular Amenities', 'wp-bnb' ),
+			'all_items'                  => __( 'All Amenities', 'wp-bnb' ),
+			'parent_item'                => null,
+			'parent_item_colon'          => null,
+			'edit_item'                  => __( 'Edit Amenity', 'wp-bnb' ),
+			'update_item'                => __( 'Update Amenity', 'wp-bnb' ),
+			'add_new_item'               => __( 'Add New Amenity', 'wp-bnb' ),
+			'new_item_name'              => __( 'New Amenity Name', 'wp-bnb' ),
+			'separate_items_with_commas' => __( 'Separate amenities with commas', 'wp-bnb' ),
+			'add_or_remove_items'        => __( 'Add or remove amenities', 'wp-bnb' ),
+			'choose_from_most_used'      => __( 'Choose from the most used amenities', 'wp-bnb' ),
+			'not_found'                  => __( 'No amenities found.', 'wp-bnb' ),
+			'menu_name'                  => __( 'Amenities', 'wp-bnb' ),
+			'back_to_items'              => __( '&larr; Back to Amenities', 'wp-bnb' ),
+		);
+
+		$args = array(
+			'labels'                => $labels,
+			'hierarchical'          => false, // Non-hierarchical (like tags).
+			'public'                => true,
+			'publicly_queryable'    => true,
+			'show_ui'               => true,
+			'show_in_menu'          => true,
+			'show_in_nav_menus'     => true,
+			'show_in_rest'          => true,
+			'show_tagcloud'         => true,
+			'show_in_quick_edit'    => true,
+			'show_admin_column'     => true,
+			'rewrite'               => array(
+				'slug'       => 'amenity',
+				'with_front' => false,
+			),
+			'query_var'             => true,
+			'capabilities'          => array(
+				'manage_terms' => 'manage_options',
+				'edit_terms'   => 'manage_options',
+				'delete_terms' => 'manage_options',
+				'assign_terms' => 'edit_posts',
+			),
+		);
+
+		register_taxonomy( self::TAXONOMY, array( 'bnb_room' ), $args );
+	}
+
+	/**
+	 * Add custom fields to the add term form.
+	 *
+	 * @return void
+	 */
+	public static function add_form_fields(): void {
+		?>
+		<div class="form-field term-icon-wrap">
+			<label for="amenity-icon"><?php esc_html_e( 'Icon', 'wp-bnb' ); ?></label>
+			<select name="amenity_icon" id="amenity-icon">
+				<?php foreach ( self::get_icon_options() as $value => $label ) : ?>
+					<option value="<?php echo esc_attr( $value ); ?>"><?php echo esc_html( $label ); ?></option>
+				<?php endforeach; ?>
+			</select>
+			<p><?php esc_html_e( 'Select an icon to represent this amenity.', 'wp-bnb' ); ?></p>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Add custom fields to the edit term form.
+	 *
+	 * @param \WP_Term $term     Current term object.
+	 * @param string   $taxonomy Current taxonomy slug.
+	 * @return void
+	 */
+	public static function edit_form_fields( \WP_Term $term, string $taxonomy ): void {
+		$icon = get_term_meta( $term->term_id, 'amenity_icon', true );
+		?>
+		<tr class="form-field term-icon-wrap">
+			<th scope="row">
+				<label for="amenity-icon"><?php esc_html_e( 'Icon', 'wp-bnb' ); ?></label>
+			</th>
+			<td>
+				<select name="amenity_icon" id="amenity-icon">
+					<?php foreach ( self::get_icon_options() as $value => $label ) : ?>
+						<option value="<?php echo esc_attr( $value ); ?>" <?php selected( $icon, $value ); ?>>
+							<?php echo esc_html( $label ); ?>
+						</option>
+					<?php endforeach; ?>
+				</select>
+				<p class="description"><?php esc_html_e( 'Select an icon to represent this amenity.', 'wp-bnb' ); ?></p>
+			</td>
+		</tr>
+		<?php
+	}
+
+	/**
+	 * Save term meta data.
+	 *
+	 * @param int $term_id Term ID.
+	 * @param int $tt_id   Term taxonomy ID.
+	 * @return void
+	 */
+	public static function save_term_meta( int $term_id, int $tt_id ): void {
+		if ( isset( $_POST['amenity_icon'] ) ) {
+			update_term_meta(
+				$term_id,
+				'amenity_icon',
+				sanitize_text_field( wp_unslash( $_POST['amenity_icon'] ) )
+			);
+		}
+	}
+
+	/**
+	 * Add custom columns to the taxonomy list.
+	 *
+	 * @param array $columns Existing columns.
+	 * @return array
+	 */
+	public static function add_columns( array $columns ): array {
+		$new_columns = array();
+		foreach ( $columns as $key => $value ) {
+			$new_columns[ $key ] = $value;
+			if ( 'name' === $key ) {
+				$new_columns['icon'] = __( 'Icon', 'wp-bnb' );
+			}
+		}
+		return $new_columns;
+	}
+
+	/**
+	 * Render custom column content.
+	 *
+	 * @param string $content     Column content.
+	 * @param string $column_name Column name.
+	 * @param int    $term_id     Term ID.
+	 * @return string
+	 */
+	public static function render_column( string $content, string $column_name, int $term_id ): string {
+		if ( 'icon' === $column_name ) {
+			$icon = get_term_meta( $term_id, 'amenity_icon', true );
+			if ( $icon ) {
+				return '<span class="dashicons dashicons-' . esc_attr( $icon ) . '"></span>';
+			}
+			return '—';
+		}
+		return $content;
+	}
+
+	/**
+	 * Get available icon options.
+	 *
+	 * @return array<string, string>
+	 */
+	public static function get_icon_options(): array {
+		return array(
+			''                       => __( '— Select Icon —', 'wp-bnb' ),
+			'wifi'                   => __( 'WiFi', 'wp-bnb' ),
+			'car'                    => __( 'Parking', 'wp-bnb' ),
+			'food'                   => __( 'Breakfast', 'wp-bnb' ),
+			'palmtree'               => __( 'Garden/Pool', 'wp-bnb' ),
+			'pets'                   => __( 'Pet Friendly', 'wp-bnb' ),
+			'universal-access'       => __( 'Accessibility', 'wp-bnb' ),
+			'tv'                     => __( 'Television', 'wp-bnb' ),
+			'superhero-alt'          => __( 'Air Conditioning', 'wp-bnb' ),
+			'coffee'                 => __( 'Coffee/Tea', 'wp-bnb' ),
+			'admin-home'             => __( 'Kitchen', 'wp-bnb' ),
+			'businessman'            => __( 'Business Center', 'wp-bnb' ),
+			'heart'                  => __( 'Spa/Wellness', 'wp-bnb' ),
+			'groups'                 => __( 'Family Friendly', 'wp-bnb' ),
+			'location-alt'           => __( 'Central Location', 'wp-bnb' ),
+			'building'               => __( 'Elevator', 'wp-bnb' ),
+			'store'                  => __( 'Minibar', 'wp-bnb' ),
+			'admin-appearance'       => __( 'Room Service', 'wp-bnb' ),
+			'shield'                 => __( 'Safe', 'wp-bnb' ),
+			'privacy'                => __( 'Non-Smoking', 'wp-bnb' ),
+		);
+	}
+
+	/**
+	 * Get default amenities to seed on activation.
+	 *
+	 * @return array<string, array{icon: string}>
+	 */
+	public static function get_default_terms(): array {
+		return array(
+			__( 'WiFi', 'wp-bnb' )             => array( 'icon' => 'wifi' ),
+			__( 'Parking', 'wp-bnb' )          => array( 'icon' => 'car' ),
+			__( 'Breakfast Included', 'wp-bnb' ) => array( 'icon' => 'food' ),
+			__( 'Air Conditioning', 'wp-bnb' ) => array( 'icon' => 'superhero-alt' ),
+			__( 'Television', 'wp-bnb' )       => array( 'icon' => 'tv' ),
+			__( 'Pet Friendly', 'wp-bnb' )     => array( 'icon' => 'pets' ),
+			__( 'Wheelchair Accessible', 'wp-bnb' ) => array( 'icon' => 'universal-access' ),
+			__( 'Non-Smoking', 'wp-bnb' )      => array( 'icon' => 'privacy' ),
+		);
+	}
+}

src/Taxonomies/RoomType.php

@@ -0,0 +1,224 @@
+<?php
+/**
+ * Room Type taxonomy.
+ *
+ * Hierarchical taxonomy for room types like Standard, Suite, Family, etc.
+ *
+ * @package Magdev\WpBnb\Taxonomies
+ */
+
+declare( strict_types=1 );
+
+namespace Magdev\WpBnb\Taxonomies;
+
+/**
+ * Room Type taxonomy class.
+ */
+final class RoomType {
+
+	/**
+	 * Taxonomy slug.
+	 *
+	 * @var string
+	 */
+	public const TAXONOMY = 'bnb_room_type';
+
+	/**
+	 * Initialize the taxonomy.
+	 *
+	 * @return void
+	 */
+	public static function init(): void {
+		add_action( 'init', array( self::class, 'register' ) );
+		add_action( 'bnb_room_type_add_form_fields', array( self::class, 'add_form_fields' ) );
+		add_action( 'bnb_room_type_edit_form_fields', array( self::class, 'edit_form_fields' ), 10, 2 );
+		add_action( 'created_bnb_room_type', array( self::class, 'save_term_meta' ), 10, 2 );
+		add_action( 'edited_bnb_room_type', array( self::class, 'save_term_meta' ), 10, 2 );
+	}
+
+	/**
+	 * Register the taxonomy.
+	 *
+	 * @return void
+	 */
+	public static function register(): void {
+		$labels = array(
+			'name'              => _x( 'Room Types', 'taxonomy general name', 'wp-bnb' ),
+			'singular_name'     => _x( 'Room Type', 'taxonomy singular name', 'wp-bnb' ),
+			'search_items'      => __( 'Search Room Types', 'wp-bnb' ),
+			'all_items'         => __( 'All Room Types', 'wp-bnb' ),
+			'parent_item'       => __( 'Parent Room Type', 'wp-bnb' ),
+			'parent_item_colon' => __( 'Parent Room Type:', 'wp-bnb' ),
+			'edit_item'         => __( 'Edit Room Type', 'wp-bnb' ),
+			'update_item'       => __( 'Update Room Type', 'wp-bnb' ),
+			'add_new_item'      => __( 'Add New Room Type', 'wp-bnb' ),
+			'new_item_name'     => __( 'New Room Type Name', 'wp-bnb' ),
+			'menu_name'         => __( 'Room Types', 'wp-bnb' ),
+			'back_to_items'     => __( '&larr; Back to Room Types', 'wp-bnb' ),
+			'not_found'         => __( 'No room types found.', 'wp-bnb' ),
+		);
+
+		$args = array(
+			'labels'             => $labels,
+			'hierarchical'       => true, // Hierarchical (like categories).
+			'public'             => true,
+			'publicly_queryable' => true,
+			'show_ui'            => true,
+			'show_in_menu'       => true,
+			'show_in_nav_menus'  => true,
+			'show_in_rest'       => true,
+			'show_in_quick_edit' => true,
+			'show_admin_column'  => true,
+			'rewrite'            => array(
+				'slug'         => 'room-type',
+				'with_front'   => false,
+				'hierarchical' => true,
+			),
+			'query_var'          => true,
+			'capabilities'       => array(
+				'manage_terms' => 'manage_options',
+				'edit_terms'   => 'manage_options',
+				'delete_terms' => 'manage_options',
+				'assign_terms' => 'edit_posts',
+			),
+		);
+
+		register_taxonomy( self::TAXONOMY, array( 'bnb_room' ), $args );
+	}
+
+	/**
+	 * Add custom fields to the add term form.
+	 *
+	 * @return void
+	 */
+	public static function add_form_fields(): void {
+		?>
+		<div class="form-field term-base-capacity-wrap">
+			<label for="room-type-base-capacity"><?php esc_html_e( 'Base Capacity', 'wp-bnb' ); ?></label>
+			<input type="number" name="room_type_base_capacity" id="room-type-base-capacity" value="2" min="1" max="20">
+			<p><?php esc_html_e( 'Default number of guests this room type typically accommodates.', 'wp-bnb' ); ?></p>
+		</div>
+		<div class="form-field term-sort-order-wrap">
+			<label for="room-type-sort-order"><?php esc_html_e( 'Sort Order', 'wp-bnb' ); ?></label>
+			<input type="number" name="room_type_sort_order" id="room-type-sort-order" value="0" min="0">
+			<p><?php esc_html_e( 'Display order for this room type (lower numbers appear first).', 'wp-bnb' ); ?></p>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Add custom fields to the edit term form.
+	 *
+	 * @param \WP_Term $term     Current term object.
+	 * @param string   $taxonomy Current taxonomy slug.
+	 * @return void
+	 */
+	public static function edit_form_fields( \WP_Term $term, string $taxonomy ): void {
+		$base_capacity = get_term_meta( $term->term_id, 'room_type_base_capacity', true );
+		$sort_order    = get_term_meta( $term->term_id, 'room_type_sort_order', true );
+		?>
+		<tr class="form-field term-base-capacity-wrap">
+			<th scope="row">
+				<label for="room-type-base-capacity"><?php esc_html_e( 'Base Capacity', 'wp-bnb' ); ?></label>
+			</th>
+			<td>
+				<input type="number" name="room_type_base_capacity" id="room-type-base-capacity"
+					   value="<?php echo esc_attr( $base_capacity ?: '2' ); ?>" min="1" max="20">
+				<p class="description"><?php esc_html_e( 'Default number of guests this room type typically accommodates.', 'wp-bnb' ); ?></p>
+			</td>
+		</tr>
+		<tr class="form-field term-sort-order-wrap">
+			<th scope="row">
+				<label for="room-type-sort-order"><?php esc_html_e( 'Sort Order', 'wp-bnb' ); ?></label>
+			</th>
+			<td>
+				<input type="number" name="room_type_sort_order" id="room-type-sort-order"
+					   value="<?php echo esc_attr( $sort_order ?: '0' ); ?>" min="0">
+				<p class="description"><?php esc_html_e( 'Display order for this room type (lower numbers appear first).', 'wp-bnb' ); ?></p>
+			</td>
+		</tr>
+		<?php
+	}
+
+	/**
+	 * Save term meta data.
+	 *
+	 * @param int $term_id Term ID.
+	 * @param int $tt_id   Term taxonomy ID.
+	 * @return void
+	 */
+	public static function save_term_meta( int $term_id, int $tt_id ): void {
+		if ( isset( $_POST['room_type_base_capacity'] ) ) {
+			update_term_meta(
+				$term_id,
+				'room_type_base_capacity',
+				absint( $_POST['room_type_base_capacity'] )
+			);
+		}
+		if ( isset( $_POST['room_type_sort_order'] ) ) {
+			update_term_meta(
+				$term_id,
+				'room_type_sort_order',
+				absint( $_POST['room_type_sort_order'] )
+			);
+		}
+	}
+
+	/**
+	 * Get default room types to seed on activation.
+	 *
+	 * @return array<string, array{capacity: int, order: int, children?: array<string, array{capacity: int, order: int}>}>
+	 */
+	public static function get_default_terms(): array {
+		return array(
+			__( 'Standard', 'wp-bnb' )     => array(
+				'capacity' => 2,
+				'order'    => 10,
+				'children' => array(
+					__( 'Single', 'wp-bnb' ) => array(
+						'capacity' => 1,
+						'order'    => 11,
+					),
+					__( 'Double', 'wp-bnb' ) => array(
+						'capacity' => 2,
+						'order'    => 12,
+					),
+					__( 'Twin', 'wp-bnb' )   => array(
+						'capacity' => 2,
+						'order'    => 13,
+					),
+				),
+			),
+			__( 'Superior', 'wp-bnb' )     => array(
+				'capacity' => 2,
+				'order'    => 20,
+			),
+			__( 'Suite', 'wp-bnb' )        => array(
+				'capacity' => 2,
+				'order'    => 30,
+				'children' => array(
+					__( 'Junior Suite', 'wp-bnb' )    => array(
+						'capacity' => 2,
+						'order'    => 31,
+					),
+					__( 'Executive Suite', 'wp-bnb' ) => array(
+						'capacity' => 2,
+						'order'    => 32,
+					),
+				),
+			),
+			__( 'Family', 'wp-bnb' )       => array(
+				'capacity' => 4,
+				'order'    => 40,
+			),
+			__( 'Accessible', 'wp-bnb' )   => array(
+				'capacity' => 2,
+				'order'    => 50,
+			),
+			__( 'Apartment', 'wp-bnb' )    => array(
+				'capacity' => 4,
+				'order'    => 60,
+			),
+		);
+	}
+}

wp-bnb.php

@@ -3,7 +3,7 @@
  * Plugin Name: WP BnB Management
  * Plugin URI: https://src.bundespruefstelle.ch/magdev/wp-bnb
  * Description: A comprehensive Bed & Breakfast management system for WordPress. Manage buildings, rooms, bookings, and guests.
- * Version: 0.0.1
+ * Version: 0.3.0
  * Requires at least: 6.0
  * Requires PHP: 8.3
  * Author: Marco Graetsch
@@ -24,7 +24,7 @@ if ( ! defined( 'ABSPATH' ) ) {
 }
 
 // Plugin version constant - MUST match Version in header above.
-define( 'WP_BNB_VERSION', '0.0.1' );
+define( 'WP_BNB_VERSION', '0.3.0' );
 
 // Plugin path constants.
 define( 'WP_BNB_PATH', plugin_dir_path( __FILE__ ) );
@@ -155,6 +155,18 @@ function wp_bnb_activate(): void {
 		);
 	}
 
+	// Load Composer autoloader for activation.
+	$autoloader = WP_BNB_PATH . 'vendor/autoload.php';
+	if ( file_exists( $autoloader ) ) {
+		require_once $autoloader;
+
+		// Register post types and taxonomies before flushing rewrite rules.
+		\Magdev\WpBnb\Taxonomies\Amenity::register();
+		\Magdev\WpBnb\Taxonomies\RoomType::register();
+		\Magdev\WpBnb\PostTypes\Building::register();
+		\Magdev\WpBnb\PostTypes\Room::register();
+	}
+
 	// Set default options.
 	add_option( 'wp_bnb_version', WP_BNB_VERSION );