{% extends "base.html" %}

{% block title %}Customers (Rolodex) - Delphi Database{% endblock %}

{% block content %}
<div class="space-y-6">
    <!-- Page Header -->
    <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
        <div class="flex items-center gap-3">
            <div class="flex items-center justify-center w-10 h-10 bg-primary-100 dark:bg-primary-900/30 text-primary-600 dark:text-primary-400 rounded-xl">
                <i class="fa-solid fa-address-book text-lg"></i>
            </div>
            <h1 class="text-2xl font-bold text-neutral-900 dark:text-neutral-100">Customers (Rolodex)</h1>
        </div>
        <div class="flex items-center gap-3">
            <button id="addCustomerBtn" class="flex items-center gap-2 px-4 py-2 bg-success-600 text-white hover:bg-success-700 rounded-lg transition-colors duration-200">
                <i class="fa-solid fa-circle-plus"></i>
                <span>New Customer</span>
                <kbd class="hidden sm:inline-block ml-2 px-1.5 py-0.5 bg-success-700 rounded text-xs">Ctrl+N</kbd>
            </button>
            <button id="statsBtn" class="flex items-center gap-2 px-4 py-2 bg-info-600 text-white hover:bg-info-700 rounded-lg transition-colors duration-200">
                <i class="fa-solid fa-chart-line"></i>
                <span>Statistics</span>
            </button>
        </div>
    </div>

    <!-- Search and Filter Panel -->
    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-xl shadow-soft">
        <div class="px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h5 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100 flex items-center gap-2">
                <i class="fa-solid fa-filter"></i>
                <span>Search & Filters</span>
            </h5>
        </div>
        <div class="p-6">
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
                <div class="lg:col-span-2">
                    <label for="searchInput" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-2">Search Customers</label>
                    <div class="relative">
                        <input type="text" id="searchInput" class="w-full pl-10 pr-4 py-3 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 placeholder-neutral-400 dark:placeholder-neutral-500 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200" placeholder="Start typing to search customers...">
                        <div class="absolute inset-y-0 left-0 flex items-center pl-3">
                            <i class="fa-solid fa-magnifying-glass text-neutral-400 dark:text-neutral-500"></i>
                        </div>
                        <button id="searchBtn" class="absolute inset-y-0 right-0 flex items-center pr-3 text-neutral-400 hover:text-primary-600 dark:text-neutral-500 dark:hover:text-primary-400 transition-colors">
                            <i id="searchIcon" class="fa-solid fa-magnifying-glass text-lg"></i>
                        </button>
                    </div>
                </div>
                <div>
                    <label for="groupFilter" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-2">Groups</label>
                    <select id="groupFilter" multiple class="w-full px-3 py-3 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200"></select>
                    <p class="mt-1 text-xs text-neutral-500 dark:text-neutral-400">Select one or more groups</p>
                </div>
                <div>
                    <label for="stateFilter" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-2">States</label>
                    <select id="stateFilter" multiple class="w-full px-3 py-3 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200"></select>
                    <p class="mt-1 text-xs text-neutral-500 dark:text-neutral-400">Select one or more states</p>
                </div>
            </div>
            <div class="mt-4 pt-4 border-t border-neutral-200 dark:border-neutral-700">
                <div class="flex items-center justify-between">
                    <div id="activeFilterChips" class="flex flex-wrap gap-2"></div>
                    <button id="clearAllFiltersBtn" class="hidden px-3 py-1.5 text-sm rounded-lg bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-200 hover:bg-neutral-200 dark:hover:bg-neutral-600 transition-colors">Clear all</button>
                </div>
            </div>
            <div class="mt-4 pt-4 border-t border-neutral-200 dark:border-neutral-700">
                <div class="max-w-md">
                    <label for="phoneSearch" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-2">Phone Search</label>
                    <div class="relative">
                        <input type="text" id="phoneSearch" class="w-full pl-10 pr-4 py-3 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 placeholder-neutral-400 dark:placeholder-neutral-500 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200" placeholder="Type phone number to search...">
                        <div class="absolute inset-y-0 left-0 flex items-center pl-3">
                            <i class="fa-solid fa-phone text-neutral-400 dark:text-neutral-500"></i>
                        </div>
                        <button id="phoneSearchBtn" class="absolute inset-y-0 right-0 flex items-center pr-3 text-neutral-400 hover:text-primary-600 dark:text-neutral-500 dark:hover:text-primary-400 transition-colors">
                            <i class="fa-solid fa-arrow-right text-lg"></i>
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Customer List -->
    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-xl shadow-soft overflow-hidden">
        <div class="px-6 py-4 border-b border-neutral-200 dark:border-neutral-700 flex items-center justify-between">
            <h5 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100 flex items-center gap-2">
                <i class="fa-solid fa-users"></i>
                <span>Customer List</span>
            </h5>
            <div class="flex items-center gap-3">
                <label for="pageSizeSelect" class="text-xs text-neutral-600 dark:text-neutral-300">Page size</label>
                <select id="pageSizeSelect" class="px-2 py-1.5 text-sm rounded-lg bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-200 hover:bg-neutral-200 dark:hover:bg-neutral-600 transition-colors">
                    <option value="25">25</option>
                    <option value="50">50</option>
                    <option value="100">100</option>
                    <option value="200">200</option>
                </select>
                <button id="toggleCompactMode" class="px-3 py-1.5 text-sm rounded-lg bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-200 hover:bg-neutral-200 dark:hover:bg-neutral-600 transition-colors" title="Toggle compact mode">
                    Compact: Off
                </button>
                <button id="copyViewLinkBtn" class="px-3 py-1.5 text-sm rounded-lg bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-200 hover:bg-neutral-200 dark:hover:bg-neutral-600 transition-colors" title="Copy link to this view">
                    <i class="fa-solid fa-link mr-1"></i>
                    Copy link
                </button>
                <button id="exportCsvBtn" class="px-3 py-1.5 text-sm rounded-lg bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-200 hover:bg-neutral-200 dark:hover:bg-neutral-600 transition-colors" title="Export current view to CSV">
                    <i class="fa-solid fa-file-csv mr-1"></i>
                    Export CSV
                </button>
                <span id="exportPreview" class="text-xs text-neutral-600 dark:text-neutral-300" title="Export preview: current page vs all matches"></span>
                <div class="relative inline-block" id="exportColumnsWrapper">
                    <button id="selectColumnsBtn" class="px-3 py-1.5 text-sm rounded-lg bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-200 hover:bg-neutral-200 dark:hover:bg-neutral-600 transition-colors" title="Select CSV columns">
                        <i class="fa-solid fa-table-columns mr-1"></i>
                        Columns
                    </button>
                    <div id="columnsPopover" class="hidden absolute right-0 mt-2 w-64 bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow-lg p-3 z-20">
                        <div class="text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase mb-2">Export Columns</div>
                        <div class="space-y-2 text-sm">
                            <label class="flex items-center gap-2"><input type="checkbox" class="export-col" value="id" checked> <span>Customer ID</span></label>
                            <label class="flex items-center gap-2"><input type="checkbox" class="export-col" value="name" checked> <span>Name</span></label>
                            <label class="flex items-center gap-2"><input type="checkbox" class="export-col" value="group" checked> <span>Group</span></label>
                            <label class="flex items-center gap-2"><input type="checkbox" class="export-col" value="city" checked> <span>City</span></label>
                            <label class="flex items-center gap-2"><input type="checkbox" class="export-col" value="state" checked> <span>State</span></label>
                            <label class="flex items-center gap-2"><input type="checkbox" class="export-col" value="phone" checked> <span>Primary Phone</span></label>
                            <label class="flex items-center gap-2"><input type="checkbox" class="export-col" value="email" checked> <span>Email</span></label>
                        </div>
                        <div class="mt-3 border-t border-neutral-200 dark:border-neutral-700 pt-3">
                            <label class="flex items-center gap-2 text-sm">
                                <input type="checkbox" id="exportAllToggle">
                                <span>Export all matches (ignore pagination)</span>
                            </label>
                        </div>
                        <div class="mt-3 flex items-center justify-between">
                            <button id="columnsSelectAll" class="text-xs text-blue-600 dark:text-blue-400 hover:underline">Select all</button>
                            <button id="columnsClearAll" class="text-xs text-neutral-600 dark:text-neutral-300 hover:underline">Clear</button>
                        </div>
                    </div>
                </div>
                <div class="relative inline-block" id="phoneDirWrapper">
                    <div class="flex items-center gap-1">
                        <button id="phoneDirBtn" class="px-3 py-1.5 text-sm rounded-lg bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-200 hover:bg-neutral-200 dark:hover:bg-neutral-600 transition-colors" title="Generate printable phone directory">
                            <i class="fa-solid fa-address-book mr-1"></i>
                            Phone Directory
                        </button>
                        <div class="relative group">
                            <button type="button" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300 transition-colors" title="Phone Directory Help">
                                <i class="fa-solid fa-circle-question text-sm"></i>
                            </button>
                            <div class="hidden group-hover:block absolute right-0 mt-2 w-80 bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow-lg p-3 z-30">
                                <div class="text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase mb-2">Phone Directory Help</div>
                                <div class="space-y-2 text-xs text-neutral-600 dark:text-neutral-300">
                                    <p><strong>Grouping Options:</strong></p>
                                    <ul class="list-disc list-inside space-y-1 ml-2">
                                        <li><strong>None:</strong> Alphabetical by last name, no sections</li>
                                        <li><strong>By Letter:</strong> A-Z sections based on first letter of last name</li>
                                        <li><strong>By Group:</strong> Sections by customer group (Client, Attorney, etc.)</li>
                                        <li><strong>Group + Letter:</strong> Group sections, then letter subsections within each</li>
                                    </ul>
                                    <p class="mt-2"><strong>Letter Buckets:</strong> Names starting with numbers or symbols go into the "#" bucket.</p>
                                    <p class="mt-2"><strong>Page Breaks:</strong> HTML format can insert page breaks between top-level groups for printing.</p>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div id="phoneDirPopover" class="hidden absolute right-0 mt-2 w-80 bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow-lg p-3 z-20">
                        <div class="text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase mb-2">Phone Directory</div>
                        <div class="grid grid-cols-2 gap-3 text-sm">
                            <div class="col-span-2">
                                <label class="block text-xs text-neutral-600 dark:text-neutral-300 mb-1" for="phoneDirMode">Mode</label>
                                <select id="phoneDirMode" class="w-full px-2 py-1.5 rounded border border-neutral-300 dark:border-neutral-600 bg-white dark:bg-neutral-800">
                                    <option value="numbers">Numbers</option>
                                    <option value="addresses">Addresses</option>
                                    <option value="full">Full</option>
                                </select>
                            </div>
                            <div>
                                <label class="block text-xs text-neutral-600 dark:text-neutral-300 mb-1" for="phoneDirFormat">Format</label>
                                <select id="phoneDirFormat" class="w-full px-2 py-1.5 rounded border border-neutral-300 dark:border-neutral-600 bg-white dark:bg-neutral-800">
                                    <option value="html">HTML</option>
                                    <option value="csv">CSV</option>
                                </select>
                            </div>
                            <div>
                                <label class="block text-xs text-neutral-600 dark:text-neutral-300 mb-1" for="phoneDirGrouping">Grouping</label>
                                <select id="phoneDirGrouping" class="w-full px-2 py-1.5 rounded border border-neutral-300 dark:border-neutral-600 bg-white dark:bg-neutral-800">
                                    <option value="none">None</option>
                                    <option value="letter">By Letter</option>
                                    <option value="group">By Group</option>
                                    <option value="group_letter">Group + Letter</option>
                                </select>
                            </div>
                            <div class="col-span-2">
                                <label class="inline-flex items-center gap-2 text-xs">
                                    <input type="checkbox" id="phoneDirPageBreak">
                                    <span>Page break per top-level group (HTML only)</span>
                                </label>
                            </div>
                        </div>
                        <div class="mt-3 text-xs text-neutral-500 dark:text-neutral-400">Uses current group filters and sort.</div>
                        <div class="mt-3 flex items-center justify-end gap-2">
                            <button id="downloadPhoneDirBtn" class="px-3 py-1.5 text-sm rounded-lg bg-primary-600 text-white hover:bg-primary-700 transition-colors">
                                <i class="fa-solid fa-download mr-1"></i>
                                Download
                            </button>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="overflow-x-auto">
            <table class="w-full text-sm text-left text-neutral-900 dark:text-neutral-100" id="customersTable">
                <thead class="bg-neutral-50 dark:bg-neutral-800/60">
                    <tr class="border-b border-neutral-200 dark:border-neutral-700">
                        <th id="thCustomer" data-sort="text" data-sort-field="id" class="sticky top-0 z-10 px-6 py-3 text-left text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider bg-neutral-50 dark:bg-neutral-800/60 cursor-pointer select-none">Customer</th>
                        <th id="thName" data-sort="text" data-sort-field="name" class="sticky top-0 z-10 px-6 py-3 text-left text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider bg-neutral-50 dark:bg-neutral-800/60 cursor-pointer select-none">Name</th>
                        <th data-sort="text" class="sticky top-0 z-10 px-6 py-3 text-left text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider bg-neutral-50 dark:bg-neutral-800/60 select-none">Group</th>
                        <th id="thCity" data-sort="text" data-sort-field="city" class="sticky top-0 z-10 px-6 py-3 text-left text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider bg-neutral-50 dark:bg-neutral-800/60 cursor-pointer select-none">Location</th>
                        <th data-sort="text" class="sticky top-0 z-10 px-6 py-3 text-left text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider bg-neutral-50 dark:bg-neutral-800/60 select-none">Phone</th>
                        <th id="thEmail" data-sort="text" data-sort-field="email" class="sticky top-0 z-10 px-6 py-3 text-left text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider bg-neutral-50 dark:bg-neutral-800/60 cursor-pointer select-none">Email</th>
                        <th class="sticky top-0 z-10 px-6 py-3 text-right text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider bg-neutral-50 dark:bg-neutral-800/60">Actions</th>
                    </tr>
                </thead>
                <tbody id="customersTableBody" class="divide-y divide-neutral-200 dark:divide-neutral-700">
                    <!-- Customer rows will be populated here -->
                </tbody>
            </table>
        </div>
        
        <!-- Empty State -->
        <div id="emptyState" class="hidden flex flex-col items-center justify-center py-12 text-center">
            <div class="w-16 h-16 bg-neutral-100 dark:bg-neutral-800 rounded-full flex items-center justify-center mb-4">
                <i class="fa-solid fa-users text-2xl text-neutral-400 dark:text-neutral-500"></i>
            </div>
            <h3 class="text-lg font-medium text-neutral-900 dark:text-neutral-100 mb-2">No customers found</h3>
            <p class="text-neutral-500 dark:text-neutral-400 mb-4">Get started by adding your first customer.</p>
            <button onclick="showAddCustomerModal()" class="flex items-center gap-2 px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg transition-colors duration-200">
                <i class="fa-solid fa-circle-plus"></i>
                <span>Add Customer</span>
            </button>
        </div>
        
        <!-- Pagination -->
        <div class="px-6 py-4 border-t border-neutral-200 dark:border-neutral-700 bg-neutral-50 dark:bg-neutral-800/50">
            <nav aria-label="Customer pagination">
                <div id="pagination" class="flex items-center justify-center space-x-1">
                    <!-- Pagination will be populated here -->
                </div>
            </nav>
        </div>
    </div>
</div>

<!-- Customer Modal -->
<div id="customerModal" class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4">
    <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-6xl w-full max-h-screen overflow-hidden">
        <div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h2 id="customerModalLabel" class="text-xl font-semibold text-neutral-900 dark:text-neutral-100">Customer Details</h2>
            <button onclick="closeCustomerModal()" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300 transition-colors">
                <i class="fa-solid fa-xmark text-xl"></i>
            </button>
        </div>
        <div class="px-6 py-4 max-h-96 overflow-y-auto scrollbar-thin">
            <form id="customerForm">
                <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-6">
                    <!-- Personal Information -->
                    <div class="space-y-4">
                        <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100">Personal Information</h3>
                        <div>
                            <label for="customerId" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Customer ID <span class="text-danger-600">*</span></label>
                            <input type="text" id="customerId" required class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="last" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Last Name/Company <span class="text-danger-600">*</span></label>
                            <input type="text" id="last" required class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div class="grid grid-cols-2 gap-4">
                            <div>
                                <label for="first" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">First Name</label>
                                <input type="text" id="first" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                            <div>
                                <label for="middle" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Middle Name</label>
                                <input type="text" id="middle" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                        </div>
                        <div class="grid grid-cols-3 gap-4">
                            <div>
                                <label for="prefix" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Prefix</label>
                                <input type="text" id="prefix" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                            <div>
                                <label for="suffix" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Suffix</label>
                                <input type="text" id="suffix" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                            <div>
                                <label for="title" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Title</label>
                                <input type="text" id="title" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                        </div>
                        <div>
                            <label for="group" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Group</label>
                            <input type="text" id="group" list="groupList" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            <datalist id="groupList"></datalist>
                        </div>
                    </div>

                    <!-- Address Information -->
                    <div class="space-y-4">
                        <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100">Address</h3>
                        <div>
                            <label for="a1" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Address Line 1 / Firm</label>
                            <input type="text" id="a1" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="a2" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Address Line 2</label>
                            <input type="text" id="a2" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="a3" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Address Line 3</label>
                            <input type="text" id="a3" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div class="grid grid-cols-3 gap-4">
                            <div class="col-span-2">
                                <label for="city" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">City</label>
                                <input type="text" id="city" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                            </div>
                            <div>
                                <label for="abrev" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">State</label>
                                <input type="text" id="abrev" list="stateList" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                                <datalist id="stateList"></datalist>
                            </div>
                        </div>
                        <div>
                            <label for="zip" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Zip Code</label>
                            <input type="text" id="zip" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                    </div>
                </div>

                <!-- Contact Information -->
                <div class="mb-6">
                    <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100 mb-4">Contact Information</h3>
                    <div>
                        <label for="email" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Email</label>
                        <input type="email" id="email" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                    </div>
                    <div id="phoneList" class="space-y-4 mt-4"></div>
                    <button type="button" id="addPhoneBtn" class="mt-2 flex items-center gap-2 px-3 py-2 bg-success-600 text-white hover:bg-success-700 rounded-lg transition-colors duration-200 text-sm">
                        <i class="fa-solid fa-circle-plus"></i>
                        Add Phone
                    </button>
                </div>

                <!-- Additional Information -->
                <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-6">
                    <div class="space-y-4">
                        <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100">Additional Details</h3>
                        <div>
                            <label for="dob" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Date of Birth</label>
                            <input type="date" id="dob" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="ss_number" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Social Security Number</label>
                            <input type="text" id="ss_number" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                        <div>
                            <label for="legal_status" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Legal Status</label>
                            <input type="text" id="legal_status" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200">
                        </div>
                    </div>
                    <div>
                        <label for="memo" class="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">Notes</label>
                        <textarea id="memo" rows="6" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all duration-200"></textarea>
                    </div>
                </div>
            </form>
        </div>
        <div class="flex items-center justify-end gap-3 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700 bg-neutral-50 dark:bg-neutral-800/50">
            <button onclick="closeCustomerModal()" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg transition-colors duration-200">
                Cancel
            </button>
            <button id="deleteCustomerBtn" class="hidden px-4 py-2 bg-danger-600 text-white hover:bg-danger-700 rounded-lg transition-colors duration-200">
                <i class="fa-solid fa-trash"></i>
                <span>Delete</span>
            </button>
            <button id="saveCustomerBtn" class="px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg transition-colors duration-200">
                <i class="fa-regular fa-circle-check"></i>
                <span>Save</span>
            </button>
        </div>
    </div>
</div>

<!-- Statistics Modal -->
<div id="statsModal" class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4">
    <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-2xl w-full">
        <div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h2 class="text-xl font-semibold text-neutral-900 dark:text-neutral-100">Customer Database Statistics</h2>
            <button onclick="closeStatsModal()" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300 transition-colors">
                <i class="fa-solid fa-xmark text-xl"></i>
            </button>
        </div>
        <div id="statsContent" class="px-6 py-4">
            <!-- Statistics will be loaded here -->
        </div>
        <div class="flex items-center justify-end gap-3 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700 bg-neutral-50 dark:bg-neutral-800/50">
            <button onclick="closeStatsModal()" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg transition-colors duration-200">
                Close
            </button>
        </div>
    </div>
</div>

<script src="/static/js/customers-tailwind.js?v=12"></script>
<script src="/static/js/customers-modern.js?v=1"></script>

<script>
// Initialize on page load
document.addEventListener('DOMContentLoaded', function() {
    // Check authentication first
    const token = localStorage.getItem('auth_token');
    if (!token) {
        window.location.href = '/login';
        return;
    }
    
    if (window.initializeCustomerListState) { window.initializeCustomerListState(); }
    // Initialize page size from storage before first load
    try {
        const savedSize = parseInt(localStorage.getItem('customers.pageSize') || '50', 10);
        window.customerPageSize = [25, 50, 100, 200].includes(savedSize) ? savedSize : 50;
    } catch (_) {
        window.customerPageSize = 50;
    }
    // Load saved sort state
    try {
        window.currentSortBy = localStorage.getItem('customers.sortBy') || 'id';
        window.currentSortDir = localStorage.getItem('customers.sortDir') || 'asc';
    } catch (_) {
        window.currentSortBy = 'id';
        window.currentSortDir = 'asc';
    }
    updateSortIndicators();
    // Load saved filters
    try {
        const savedGroups = localStorage.getItem('customers.filterGroups');
        const savedStates = localStorage.getItem('customers.filterStates');
        const singleGroup = localStorage.getItem('customers.filterGroup') || '';
        const singleState = localStorage.getItem('customers.filterState') || '';
        window.currentGroupFilters = savedGroups ? JSON.parse(savedGroups) : (singleGroup ? [singleGroup] : []);
        window.currentStateFilters = savedStates ? JSON.parse(savedStates) : (singleState ? [singleState] : []);
        if (!Array.isArray(window.currentGroupFilters)) window.currentGroupFilters = [];
        if (!Array.isArray(window.currentStateFilters)) window.currentStateFilters = [];
    } catch (_) {
        window.currentGroupFilters = [];
        window.currentStateFilters = [];
    }
    renderActiveFilterChips();
    loadCustomers();
    loadGroups();
    loadStates();
    setupEventListeners();
    try { if (window.initializeDataTable) { window.initializeDataTable('customersTable'); } } catch (_) {}
    const compactBtn = document.getElementById('toggleCompactMode');
    if (compactBtn && window.toggleCompactMode) {
        compactBtn.addEventListener('click', window.toggleCompactMode);
    }
    // Support phone directory preconfiguration via URL
    try {
        const params = new URLSearchParams(window.location.search);
        const wantsPhoneDir = params.has('phone_dir') && params.get('phone_dir') !== '0' && params.get('phone_dir') !== 'false';
        const modeParam = params.get('mode');
        const formatParam = params.get('format');
        const groupingParam = params.get('grouping');
        const pageBreakParam = params.get('page_break');
        const namePrefixParam = params.get('name_prefix');

        // If any params provided, set UI defaults
        setTimeout(() => {
            const fmt = document.getElementById('phoneDirFormat');
            const grp = document.getElementById('phoneDirGrouping');
            const pb = document.getElementById('phoneDirPageBreak');
            const md = document.getElementById('phoneDirMode');
            if (formatParam && fmt) fmt.value = formatParam;
            if (groupingParam && grp) grp.value = groupingParam;
            if (pageBreakParam != null && pb) pb.checked = (pageBreakParam === '1' || pageBreakParam === 'true');
            if (modeParam && md) md.value = modeParam;
            // If name_prefix provided and single char, also bind search field so our downloader logic includes it
            if (typeof namePrefixParam === 'string' && namePrefixParam.length === 1) {
                const s = document.getElementById('searchInput');
                if (s) s.value = namePrefixParam;
            }
        }, 25);

        // Auto-open popover from hash or when phone_dir=1
        if (window.location.hash === '#phone-dir' || wantsPhoneDir) {
            setTimeout(() => {
                const btn = document.getElementById('phoneDirBtn');
                if (btn) btn.click();
                // If routing from hash without explicit params, set sensible defaults
                if (!formatParam || !groupingParam) {
                    const fmt = document.getElementById('phoneDirFormat');
                    const grp = document.getElementById('phoneDirGrouping');
                    const pb = document.getElementById('phoneDirPageBreak');
                    if (fmt && !formatParam) fmt.value = 'html';
                    if (grp && !groupingParam) grp.value = 'letter';
                    if (pb && !pageBreakParam) pb.checked = true;
                }
                // Auto-trigger download when phone_dir=1
                if (wantsPhoneDir) {
                    const dl = document.getElementById('downloadPhoneDirBtn');
                    if (dl) dl.click();
                }
            }, 60);
        }
    } catch (_) {}

    // Initialize page size selector value
    const sizeSel = document.getElementById('pageSizeSelect');
    if (sizeSel) { sizeSel.value = String(window.customerPageSize); }
});

function setupEventListeners() {
    // Real-time search functionality with debouncing
    let searchTimeout;
    const searchInput = document.getElementById('searchInput');
    
    searchInput.addEventListener('input', function(e) {
        clearTimeout(searchTimeout);
        searchTimeout = setTimeout(() => {
            performSearch();
        }, 300); // Wait 300ms after user stops typing
    });
    
    // Keep existing functionality for search button and Enter key
    document.getElementById('searchBtn').addEventListener('click', performSearch);
    searchInput.addEventListener('keypress', function(e) {
        if (e.key === 'Enter') {
            clearTimeout(searchTimeout);
            performSearch();
        }
    });
    
    // Real-time phone search functionality with debouncing
    let phoneSearchTimeout;
    const phoneSearchInput = document.getElementById('phoneSearch');
    
    phoneSearchInput.addEventListener('input', function(e) {
        clearTimeout(phoneSearchTimeout);
        phoneSearchTimeout = setTimeout(() => {
            if (phoneSearchInput.value.trim()) {
                performPhoneSearch();
            } else {
                // If phone search is cleared, go back to regular customer list
                loadCustomers();
            }
        }, 300); // Wait 300ms after user stops typing
    });
    
    // Keep existing functionality for phone search button and Enter key
    document.getElementById('phoneSearchBtn').addEventListener('click', performPhoneSearch);
    phoneSearchInput.addEventListener('keypress', function(e) {
        if (e.key === 'Enter') {
            clearTimeout(phoneSearchTimeout);
            performPhoneSearch();
        }
    });
    
    // Modal buttons
    document.getElementById('addCustomerBtn').addEventListener('click', showAddCustomerModal);
    document.getElementById('saveCustomerBtn').addEventListener('click', saveCustomer);
    document.getElementById('deleteCustomerBtn').addEventListener('click', deleteCustomer);
    document.getElementById('statsBtn').addEventListener('click', showStats);
    document.getElementById('addPhoneBtn').addEventListener('click', addPhoneNumber);
    
    // Form validation
    const customerIdInput = document.getElementById('customerId');
    if (customerIdInput) {
        customerIdInput.addEventListener('blur', validateCustomerId);
    }

    // Page size selector
    const pageSizeSelect = document.getElementById('pageSizeSelect');
    if (pageSizeSelect) {
        pageSizeSelect.addEventListener('change', function() {
            const newSize = parseInt(this.value, 10);
            if ([25, 50, 100, 200].includes(newSize)) {
                try { localStorage.setItem('customers.pageSize', String(newSize)); } catch (_) {}
                window.customerPageSize = newSize;
                currentPage = 0;
                loadCustomers(currentPage, currentSearch);
            }
        });
    }

    // Copy view link button
    const copyBtn = document.getElementById('copyViewLinkBtn');
    if (copyBtn) {
        copyBtn.addEventListener('click', async function() {
            const url = typeof buildViewUrl === 'function' ? buildViewUrl() : window.location.href;
            try {
                if (navigator.clipboard && navigator.clipboard.writeText) {
                    await navigator.clipboard.writeText(url);
                    if (window.alerts && window.alerts.show) { window.alerts.show('Link copied', 'success'); }
                } else {
                    throw new Error('Clipboard API not available');
                }
            } catch (e) {
                prompt('Copy this link:', url);
            }
        });
    }

    // Export CSV button
    const exportBtn = document.getElementById('exportCsvBtn');
    if (exportBtn) {
        exportBtn.addEventListener('click', function() {
            // Build URL for export endpoint using current state
            const u = new URL(window.location.origin + '/api/customers/export');
            const p = u.searchParams;
            p.set('skip', String(currentPage * (window.customerPageSize || 50)));
            p.set('limit', String(window.customerPageSize || 50));
            const q = (document.getElementById('searchInput')?.value || '').trim();
            if (q) p.set('search', q);
            const by = window.currentSortBy || 'id';
            const dir = window.currentSortDir || 'asc';
            p.set('sort_by', by);
            p.set('sort_dir', dir);
            (Array.isArray(window.currentGroupFilters) ? window.currentGroupFilters : []).forEach(v => p.append('groups', v));
            (Array.isArray(window.currentStateFilters) ? window.currentStateFilters : []).forEach(v => p.append('states', v));
            // Selected columns
            const cols = Array.from(document.querySelectorAll('#columnsPopover .export-col'))
                .filter(cb => cb.checked)
                .map(cb => cb.value);
            cols.forEach(f => p.append('fields', f));
            // Export all toggle
            const exportAll = document.getElementById('exportAllToggle');
            const shouldExportAll = exportAll && exportAll.checked;
            if (shouldExportAll) p.set('export_all', '1'); else p.delete('export_all');
            // Trigger download
            window.location.href = u.toString();
        });
    }

    // Columns popover
    const selectColumnsBtn = document.getElementById('selectColumnsBtn');
    const columnsPopover = document.getElementById('columnsPopover');
    if (selectColumnsBtn && columnsPopover) {
        selectColumnsBtn.addEventListener('click', function(e) {
            e.stopPropagation();
            columnsPopover.classList.toggle('hidden');
        });
        // Phone directory popover toggle
        const phoneDirBtn = document.getElementById('phoneDirBtn');
        const phoneDirPopover = document.getElementById('phoneDirPopover');
        if (phoneDirBtn && phoneDirPopover) {
            phoneDirBtn.addEventListener('click', function(e) {
                e.stopPropagation();
                phoneDirPopover.classList.toggle('hidden');
            });
            // Download action
            const downloadBtn = document.getElementById('downloadPhoneDirBtn');
            if (downloadBtn) {
                downloadBtn.addEventListener('click', function(e) {
                    e.stopPropagation();
                    const mode = (document.getElementById('phoneDirMode')?.value || 'numbers');
                    const format = (document.getElementById('phoneDirFormat')?.value || 'html');
                    const grouping = (document.getElementById('phoneDirGrouping')?.value || 'letter');
                    const pageBreak = !!(document.getElementById('phoneDirPageBreak')?.checked);
                    const u = new URL(window.location.origin + '/api/customers/phone-book');
                    const p = u.searchParams;
                    p.set('mode', mode);
                    p.set('format', format);
                    p.set('grouping', grouping);
                    if (pageBreak) p.set('page_break', '1');
                    // Include filters and sort
                    const by = window.currentSortBy || 'name';
                    const dir = window.currentSortDir || 'asc';
                    p.set('sort_by', by);
                    p.set('sort_dir', dir);
                    (Array.isArray(window.currentGroupFilters) ? window.currentGroupFilters : []).forEach(v => p.append('groups', v));
                    // Optional name prefix: if user typed single letter quickly, offer faster slicing
                    const q = (document.getElementById('searchInput')?.value || '').trim();
                    if (q && q.length === 1) {
                        p.set('name_prefix', q);
                    }
                    // Trigger download
                    window.location.href = u.toString();
                    phoneDirPopover.classList.add('hidden');
                });
            }
            // Clicking outside closes both popovers
            document.addEventListener('click', function() {
                phoneDirPopover.classList.add('hidden');
            });
            phoneDirPopover.addEventListener('click', function(e) { e.stopPropagation(); });
        }
        document.addEventListener('click', function() {
            columnsPopover.classList.add('hidden');
        });
        columnsPopover.addEventListener('click', function(e) { e.stopPropagation(); });
        const selAll = document.getElementById('columnsSelectAll');
        const clrAll = document.getElementById('columnsClearAll');
        if (selAll) selAll.addEventListener('click', function(e) {
            e.preventDefault();
            Array.from(columnsPopover.querySelectorAll('.export-col')).forEach(cb => cb.checked = true);
        });
        if (clrAll) clrAll.addEventListener('click', function(e) {
            e.preventDefault();
            Array.from(columnsPopover.querySelectorAll('.export-col')).forEach(cb => cb.checked = false);
        });
        // Persist selection
        try {
            const saved = JSON.parse(localStorage.getItem('customers.exportFields') || '[]');
            if (Array.isArray(saved) && saved.length) {
                const set = new Set(saved);
                Array.from(columnsPopover.querySelectorAll('.export-col')).forEach(cb => {
                    cb.checked = set.has(cb.value);
                });
            }
        } catch (_) {}
        // Persist export all toggle
        try {
            const savedAll = localStorage.getItem('customers.exportAll') === '1';
            const toggle = document.getElementById('exportAllToggle');
            if (toggle) {
                toggle.checked = savedAll;
                try { updateExportPreview(window.lastCustomersTotal || 0, window.lastCustomersPageCount || 0); } catch (_) {}
            }
        } catch (_) {}
        columnsPopover.querySelectorAll('.export-col').forEach(cb => {
            cb.addEventListener('change', function() {
                const cols = Array.from(columnsPopover.querySelectorAll('.export-col'))
                    .filter(x => x.checked).map(x => x.value);
                try { localStorage.setItem('customers.exportFields', JSON.stringify(cols)); } catch (_) {}
            });
        });
        const exportAllToggle = document.getElementById('exportAllToggle');
        if (exportAllToggle) {
            exportAllToggle.addEventListener('change', function() {
                try { localStorage.setItem('customers.exportAll', this.checked ? '1' : '0'); } catch (_) {}
                try { updateExportPreview(window.lastCustomersTotal || 0, window.lastCustomersPageCount || 0); } catch (_) {}
            });
        }
    }

    // Sort header clicks
    const thCustomer = document.getElementById('thCustomer');
    const thName = document.getElementById('thName');
    const thCity = document.getElementById('thCity');
    const thEmail = document.getElementById('thEmail');
    const addSortHandler = (el, field) => {
        if (!el) return;
        el.addEventListener('click', () => {
            const prevField = window.currentSortBy || 'id';
            const prevDir = window.currentSortDir || 'asc';
            if (prevField === field) {
                window.currentSortDir = prevDir === 'asc' ? 'desc' : 'asc';
            } else {
                window.currentSortBy = field;
                window.currentSortDir = 'asc';
            }
            try {
                localStorage.setItem('customers.sortBy', window.currentSortBy);
                localStorage.setItem('customers.sortDir', window.currentSortDir);
            } catch (_) {}
            updateSortIndicators();
            currentPage = 0;
            loadCustomers(currentPage, currentSearch);
        });
    };
    addSortHandler(thCustomer, 'id');
    addSortHandler(thName, 'name');
    addSortHandler(thCity, 'city');
    addSortHandler(thEmail, 'email');

    // Filter changes (multi-select)
    const groupSel = document.getElementById('groupFilter');
    const stateSel = document.getElementById('stateFilter');
    if (groupSel) {
        groupSel.addEventListener('change', function() {
            const values = Array.from(this.selectedOptions).map(o => o.value).filter(Boolean);
            window.currentGroupFilters = values;
            try { localStorage.setItem('customers.filterGroups', JSON.stringify(values)); } catch (_) {}
            currentPage = 0;
            loadCustomers(currentPage, currentSearch);
            renderActiveFilterChips();
        });
    }
    if (stateSel) {
        stateSel.addEventListener('change', function() {
            const values = Array.from(this.selectedOptions).map(o => o.value).filter(Boolean);
            window.currentStateFilters = values;
            try { localStorage.setItem('customers.filterStates', JSON.stringify(values)); } catch (_) {}
            currentPage = 0;
            loadCustomers(currentPage, currentSearch);
            renderActiveFilterChips();
        });
    }
    const clearBtn = document.getElementById('clearAllFiltersBtn');
    if (clearBtn) {
        clearBtn.addEventListener('click', function() {
            window.currentGroupFilters = [];
            window.currentStateFilters = [];
            try { localStorage.setItem('customers.filterGroups', JSON.stringify([])); } catch (_) {}
            try { localStorage.setItem('customers.filterStates', JSON.stringify([])); } catch (_) {}
            const gSel = document.getElementById('groupFilter');
            const sSel = document.getElementById('stateFilter');
            if (gSel) Array.from(gSel.options).forEach(o => o.selected = false);
            if (sSel) Array.from(sSel.options).forEach(o => o.selected = false);
            currentPage = 0;
            renderActiveFilterChips();
            loadCustomers(currentPage, currentSearch);
        });
    }
}

// Modal functions
function closeStatsModal() {
    document.getElementById('statsModal').classList.add('hidden');
}

// Load customers with enhanced formatting
async function loadCustomers(page = 0, search = '') {
    try {
        // Show loading state
        setSearchLoading(true);
        
        const params = new URLSearchParams({
            skip: String(page * (window.customerPageSize || 50)),
            limit: String(window.customerPageSize || 50)
        });
        
        if (search) params.append('search', search);
        // Sorting
        const sortBy = window.currentSortBy || 'id';
        const sortDir = window.currentSortDir || 'asc';
        params.append('sort_by', sortBy);
        params.append('sort_dir', sortDir);
        // Filters (multi)
        const grpArr = Array.isArray(window.currentGroupFilters) ? window.currentGroupFilters : [];
        const stArr = Array.isArray(window.currentStateFilters) ? window.currentStateFilters : [];
        grpArr.forEach(v => params.append('groups', v));
        stArr.forEach(v => params.append('states', v));
        
        params.append('include_total', '1');
        const response = await window.http.wrappedFetch(`/api/customers/?${params}`);
        
        if (!response.ok) throw new Error('Failed to load customers');
        
        const data = await response.json();
        displayCustomers(data.items);
        renderPagination(data.total, data.items.length);
        try { updateExportPreview(data.total, data.items.length); } catch (_) {}
        
    } catch (error) {
        console.error('Error loading customers:', error);
        showAlert('Error loading customers: ' + error.message, 'danger');
    } finally {
        // Hide loading state
        setSearchLoading(false);
    }
}

function setSearchLoading(isLoading) {
    const searchIcon = document.getElementById('searchIcon');
    if (isLoading) {
        searchIcon.className = 'fa-solid fa-spinner fa-spin text-lg';
    } else {
        searchIcon.className = 'fa-solid fa-magnifying-glass text-lg';
    }
}

function performSearch() {
    currentSearch = document.getElementById('searchInput').value.trim();
    currentPage = 0;
    loadCustomers(currentPage, currentSearch);
    if (typeof syncUrlToState === 'function') { try { syncUrlToState(); } catch (_) {} }
}

function renderPagination(totalCount, returnedCount) {
    const container = document.getElementById('pagination');
    if (!container) return;
    const size = window.customerPageSize || 50;
    const isFirst = currentPage === 0;
    const totalPages = Math.max(1, Math.ceil(totalCount / size));
    const isLast = currentPage + 1 >= totalPages || returnedCount < size;
    container.innerHTML = `
        <button id="prevPageBtn" class="px-3 py-1.5 text-sm rounded-lg ${isFirst ? 'bg-neutral-100 text-neutral-400 cursor-not-allowed' : 'bg-white dark:bg-neutral-700 text-neutral-700 dark:text-neutral-200 hover:bg-neutral-100 dark:hover:bg-neutral-600'} border border-neutral-200 dark:border-neutral-600" ${isFirst ? 'disabled' : ''}>
            <i class="fa-solid fa-chevron-left mr-1"></i> Prev
        </button>
        <span class="px-3 py-1.5 text-sm text-neutral-700 dark:text-neutral-300">Page ${currentPage + 1} of ${totalPages} • ${totalCount.toLocaleString()} results</span>
        <button id="nextPageBtn" class="px-3 py-1.5 text-sm rounded-lg ${isLast ? 'bg-neutral-100 text-neutral-400 cursor-not-allowed' : 'bg-white dark:bg-neutral-700 text-neutral-700 dark:text-neutral-200 hover:bg-neutral-100 dark:hover:bg-neutral-600'} border border-neutral-200 dark:border-neutral-600" ${isLast ? 'disabled' : ''}>
            Next <i class="fa-solid fa-chevron-right ml-1"></i>
        </button>
    `;
    const prevBtn = document.getElementById('prevPageBtn');
    const nextBtn = document.getElementById('nextPageBtn');
    if (prevBtn && !isFirst) prevBtn.addEventListener('click', () => { currentPage = Math.max(0, currentPage - 1); loadCustomers(currentPage, currentSearch); if (typeof syncUrlToState === 'function') { try { syncUrlToState(); } catch (_) {} } });
    if (nextBtn && !isLast) nextBtn.addEventListener('click', () => { currentPage = currentPage + 1; loadCustomers(currentPage, currentSearch); if (typeof syncUrlToState === 'function') { try { syncUrlToState(); } catch (_) {} } });
}

async function performPhoneSearch() {
    const phone = document.getElementById('phoneSearch').value;
    if (!phone) return;
    
    try {
        const response = await window.http.wrappedFetch(`/api/customers/search/phone?phone=${encodeURIComponent(phone)}`);
        
        if (!response.ok) throw new Error('Phone search failed');
        
        const results = await response.json();
        displayPhoneSearchResults(results);
        
    } catch (error) {
        console.error('Phone search error:', error);
        showAlert('Phone search failed: ' + error.message, 'danger');
    }
}

function displayPhoneSearchResults(results) {
    const tbody = document.getElementById('customersTableBody');
    const emptyState = document.getElementById('emptyState');
    
    tbody.innerHTML = '';
    
    if (!results || results.length === 0) {
        emptyState.classList.remove('hidden');
        return;
    }
    
    emptyState.classList.add('hidden');
    
    const tokens = (window.highlightUtils && typeof window.highlightUtils.buildTokens === 'function')
        ? window.highlightUtils.buildTokens((currentSearch || '').trim())
        : [];
    function highlightText(text) {
        if (!text) return '';
        if (!window.highlightUtils || typeof window.highlightUtils.highlight !== 'function' || tokens.length === 0) {
            return escapeHtml(String(text));
        }
        const strongHtml = window.highlightUtils.highlight(String(text), tokens);
        return strongHtml
            .replace(/<strong>/g, '<mark class="bg-yellow-200 text-neutral-900 rounded px-0.5">')
            .replace(/<\/strong>/g, '</mark>');
    }

    results.forEach(result => {
        const row = document.createElement('tr');
        row.className = 'group border-b border-neutral-100 dark:border-neutral-700/50 hover:bg-gradient-to-r hover:from-blue-50/30 hover:to-indigo-50/30 dark:hover:from-blue-900/10 dark:hover:to-indigo-900/10 transition-all duration-200 cursor-pointer';
        
        // Store customer ID as data attribute to avoid escaping issues
        row.dataset.customerId = result.customer.id;
        
        row.innerHTML = `
            <td class=\"px-4 py-4 customer-cell\">
                <div class=\"text-sm font-mono font-semibold text-neutral-900 dark:text-neutral-100 bg-gradient-to-br from-neutral-50 to-neutral-100 dark:from-neutral-800 dark:to-neutral-700 px-3 py-2 rounded-lg shadow-sm border border-neutral-200/50 dark:border-neutral-600/50 group-hover:shadow-md transition-shadow\" title=\"${result.customer.id}\">${result.customer.id}</div>
            </td>
            <td class=\"px-4 py-4 customer-cell\">
                <div class=\"text-sm font-semibold text-neutral-900 dark:text-neutral-100 group-hover:text-blue-700 dark:group-hover:text-blue-300 transition-colors\" title=\"${result.customer.name}\">${result.customer.name}</div>
            </td>
            <td class=\"px-4 py-4 customer-cell\">
                <span class="text-neutral-400 dark:text-neutral-500 text-sm font-medium">-</span>
            </td>
            <td class=\"px-4 py-4 customer-cell\">
                <div class=\"text-sm font-medium text-neutral-900 dark:text-neutral-100\" title=\"${result.customer.city}, ${result.customer.state}\">
                    ${highlightText(`${result.customer.city}, ${result.customer.state}`)}
                </div>
            </td>
            <td class=\"px-4 py-4 customer-cell\">
                <div class=\"text-sm font-mono font-medium text-neutral-900 dark:text-neutral-100\" title=\"${result.location}: ${result.phone}\">
                    <div class="font-semibold text-warning-600 dark:text-warning-400">
                        <span class="mr-1">${result.location}:</span>
                        <span>${escapeHtml(result.phone)}</span>
                    </div>
                </div>
            </td>
            <td class=\"px-4 py-4 customer-cell\">
                <span class="text-neutral-400 dark:text-neutral-500 text-sm font-medium">-</span>
            </td>
            <td class=\"px-4 py-4 text-right\">
                <div class=\"flex items-center justify-end space-x-2 opacity-70 group-hover:opacity-100 transition-opacity\">
                    <button class=\"view-phone-result-btn inline-flex items-center px-3 py-2 bg-gradient-to-r from-slate-100 to-slate-200 dark:from-slate-700 dark:to-slate-600 text-slate-700 dark:text-slate-200 hover:from-slate-200 hover:to-slate-300 dark:hover:from-slate-600 dark:hover:to-slate-500 rounded-lg text-sm font-semibold transition-all duration-200 shadow-sm hover:shadow-md border border-slate-300/50 dark:border-slate-500/50\">
                        <i class=\"fa-solid fa-eye mr-2\"></i>
                        View
                    </button>
                    <button class=\"edit-phone-result-btn inline-flex items-center px-3 py-2 bg-gradient-to-r from-blue-600 to-blue-700 dark:from-blue-700 dark:to-blue-800 text-white hover:from-blue-700 hover:to-blue-800 dark:hover:from-blue-600 dark:hover:to-blue-700 rounded-lg text-sm font-semibold transition-all duration-200 shadow-sm hover:shadow-md\">
                        <i class=\"fa-solid fa-pencil mr-2\"></i>
                        Edit
                    </button>
                </div>
            </td>
        `;
        
        // Add event listeners for clickable row (same as main customer table)
        const customerCells = row.querySelectorAll('.customer-cell');
        customerCells.forEach(cell => {
            cell.addEventListener('click', () => viewCustomer(result.customer.id));
        });
        
        // Add event listener for the view button
        const viewBtn = row.querySelector('.view-phone-result-btn');
        viewBtn.addEventListener('click', (e) => {
            e.stopPropagation();
            viewCustomer(result.customer.id);
        });
        
        // Add event listener for the edit button to avoid backslash escaping issues
        const editBtn = row.querySelector('.edit-phone-result-btn');
        editBtn.addEventListener('click', (e) => {
            e.stopPropagation();
            editCustomer(result.customer.id);
        });
        
        tbody.appendChild(row);
    });
}

async function loadGroups() {
    try {
        const response = await window.http.wrappedFetch('/api/customers/groups');
        
        if (response.ok) {
            const groups = await response.json();
            const select = document.getElementById('groupFilter');
            groups.forEach(g => {
                const option = document.createElement('option');
                option.value = g.group;
                option.textContent = g.group;
                select.appendChild(option);
            });
            // Apply saved selections
            try {
                const savedStr = localStorage.getItem('customers.filterGroups');
                const savedLegacy = localStorage.getItem('customers.filterGroup') || '';
                const saved = savedStr ? JSON.parse(savedStr) : (savedLegacy ? [savedLegacy] : []);
                if (Array.isArray(saved)) {
                    Array.from(select.options).forEach(o => { o.selected = saved.includes(o.value); });
                }
            } catch (_) {}
        }
    } catch (error) {
        console.error('Error loading groups:', error);
    }
}

async function loadStates() {
    try {
        const response = await window.http.wrappedFetch('/api/customers/states');
        
        if (response.ok) {
            const states = await response.json();
            const select = document.getElementById('stateFilter');
            states.forEach(s => {
                const option = document.createElement('option');
                option.value = s.state;
                option.textContent = s.state;
                select.appendChild(option);
            });
            // Apply saved selections
            try {
                const savedStr = localStorage.getItem('customers.filterStates');
                const savedLegacy = localStorage.getItem('customers.filterState') || '';
                const saved = savedStr ? JSON.parse(savedStr) : (savedLegacy ? [savedLegacy] : []);
                if (Array.isArray(saved)) {
                    Array.from(select.options).forEach(o => { o.selected = saved.includes(o.value); });
                }
            } catch (_) {}
        }
    } catch (error) {
        console.error('Error loading states:', error);
    }
}

function renderActiveFilterChips() {
    const container = document.getElementById('activeFilterChips');
    const clearBtn = document.getElementById('clearAllFiltersBtn');
    if (!container) return;
    const groups = Array.isArray(window.currentGroupFilters) ? window.currentGroupFilters : [];
    const states = Array.isArray(window.currentStateFilters) ? window.currentStateFilters : [];
    const chips = [];
    groups.forEach(g => chips.push({ type: 'group', label: g }));
    states.forEach(s => chips.push({ type: 'state', label: s }));
    if (chips.length === 0) {
        container.innerHTML = '';
        if (clearBtn) clearBtn.classList.add('hidden');
        return;
    }
    container.innerHTML = chips.map((c, idx) => `
        <span class="inline-flex items-center gap-2 px-3 py-1.5 rounded-full text-xs font-medium bg-blue-100 dark:bg-blue-900/30 text-blue-800 dark:text-blue-200 border border-blue-200 dark:border-blue-700" data-type="${c.type}" data-value="${c.label}">
            ${c.type === 'group' ? 'Group' : 'State'}: ${c.label}
            <button type="button" class="chip-remove ml-1 text-blue-700 dark:text-blue-300 hover:text-blue-900" aria-label="Remove">
                <i class="fa-solid fa-xmark"></i>
            </button>
        </span>
    `).join('');
    if (clearBtn) clearBtn.classList.remove('hidden');
    // Wire remove events
    Array.from(container.querySelectorAll('.chip-remove')).forEach(btn => {
        btn.addEventListener('click', (e) => {
            const chip = e.currentTarget.closest('span');
            if (!chip) return;
            const type = chip.getAttribute('data-type');
            const value = chip.getAttribute('data-value');
            if (type === 'group') {
                window.currentGroupFilters = (window.currentGroupFilters || []).filter(v => v !== value);
                try { localStorage.setItem('customers.filterGroups', JSON.stringify(window.currentGroupFilters)); } catch (_) {}
                const sel = document.getElementById('groupFilter');
                if (sel) Array.from(sel.options).forEach(o => { if (o.value === value) o.selected = false; });
            } else if (type === 'state') {
                window.currentStateFilters = (window.currentStateFilters || []).filter(v => v !== value);
                try { localStorage.setItem('customers.filterStates', JSON.stringify(window.currentStateFilters)); } catch (_) {}
                const sel = document.getElementById('stateFilter');
                if (sel) Array.from(sel.options).forEach(o => { if (o.value === value) o.selected = false; });
            }
            currentPage = 0;
            renderActiveFilterChips();
            loadCustomers(currentPage, currentSearch);
        });
    });
}

async function showStats() {
    try {
        const response = await window.http.wrappedFetch('/api/customers/stats');
        
        if (!response.ok) throw new Error('Failed to load statistics');
        
        const stats = await response.json();
        displayStats(stats);
        
    } catch (error) {
        console.error('Error loading stats:', error);
        showAlert('Error loading statistics: ' + error.message, 'danger');
    }
}

function displayStats(stats) {
    const content = document.getElementById('statsContent');
    content.innerHTML = `
        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
            <div>
                <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100 mb-3">Database Overview</h3>
                <div class="space-y-2">
                    <div class="flex justify-between">
                        <span class="text-neutral-600 dark:text-neutral-400">Total Customers:</span>
                        <span class="font-semibold text-neutral-900 dark:text-neutral-100">${stats.total_customers}</span>
                    </div>
                    <div class="flex justify-between">
                        <span class="text-neutral-600 dark:text-neutral-400">Phone Numbers:</span>
                        <span class="font-semibold text-neutral-900 dark:text-neutral-100">${stats.total_phone_numbers}</span>
                    </div>
                    <div class="flex justify-between">
                        <span class="text-neutral-600 dark:text-neutral-400">With Email:</span>
                        <span class="font-semibold text-neutral-900 dark:text-neutral-100">${stats.customers_with_email}</span>
                    </div>
                </div>
            </div>
            <div>
                <h3 class="text-lg font-semibold text-neutral-900 dark:text-neutral-100 mb-3">Group Breakdown</h3>
                <div class="space-y-2">
                    ${stats.group_breakdown.map(g => `
                        <div class="flex justify-between">
                            <span class="text-neutral-600 dark:text-neutral-400">${g.group}:</span>
                            <span class="font-semibold text-neutral-900 dark:text-neutral-100">${g.count}</span>
                        </div>
                    `).join('')}
                </div>
            </div>
        </div>
    `;
    
    document.getElementById('statsModal').classList.remove('hidden');
}

// Functions are now implemented in the external customers-tailwind.js file
</script>

<script>
// Build sharable URL reflecting current state
function buildViewUrl() {
    const u = new URL(window.location.href);
    const p = u.searchParams;
    p.set('skip', String(currentPage * (window.customerPageSize || 50)));
    p.set('limit', String(window.customerPageSize || 50));
    const q = (document.getElementById('searchInput')?.value || '').trim();
    if (q) p.set('search', q); else p.delete('search');
    const by = window.currentSortBy || 'id';
    const dir = window.currentSortDir || 'asc';
    p.set('sort_by', by);
    p.set('sort_dir', dir);
    // Filters
    p.delete('groups'); p.delete('states');
    (Array.isArray(window.currentGroupFilters) ? window.currentGroupFilters : []).forEach(v => p.append('groups', v));
    (Array.isArray(window.currentStateFilters) ? window.currentStateFilters : []).forEach(v => p.append('states', v));
    u.search = p.toString();
    return u.toString();
}

function syncUrlToState() {
    const url = buildViewUrl();
    window.history.replaceState(null, '', url);
}

// On load, hydrate state from URL if present
function hydrateStateFromUrl() {
    const p = new URLSearchParams(window.location.search);
    const skip = parseInt(p.get('skip') || '0', 10);
    const limit = parseInt(p.get('limit') || String(window.customerPageSize || 50), 10);
    if ([25,50,100,200].includes(limit)) {
        window.customerPageSize = limit;
        try { localStorage.setItem('customers.pageSize', String(limit)); } catch (_) {}
        const sizeSel = document.getElementById('pageSizeSelect');
        if (sizeSel) sizeSel.value = String(limit);
    }
    currentPage = Math.max(0, Math.floor(skip / (window.customerPageSize || 50)));
    const search = p.get('search') || '';
    if (search) {
        const input = document.getElementById('searchInput');
        if (input) input.value = search;
        currentSearch = search;
    }
    const by = p.get('sort_by');
    const dir = p.get('sort_dir');
    if (by) window.currentSortBy = by;
    if (dir === 'asc' || dir === 'desc') window.currentSortDir = dir;
    try {
        const urlGroups = p.getAll('groups');
        const urlStates = p.getAll('states');
        if (urlGroups && urlGroups.length) window.currentGroupFilters = urlGroups;
        if (urlStates && urlStates.length) window.currentStateFilters = urlStates;
    } catch (_) {}
}

// Call hydrator before first loadCustomers
try { hydrateStateFromUrl(); } catch (_) {}

// After each successful load, reflect state in URL
const __origLoadCustomers = loadCustomers;
loadCustomers = async function(page = 0, search = '') {
    await __origLoadCustomers(page, search);
    try { syncUrlToState(); } catch (_) {}
}

// Sort indicator rendering
function updateSortIndicators() {
    const by = window.currentSortBy || 'id';
    const dir = (window.currentSortDir || 'asc') === 'desc' ? 'desc' : 'asc';
    const arrow = dir === 'asc' ? '▲' : '▼';
    // Reset labels
    const labelMap = {
        thCustomer: 'Customer',
        thName: 'Name',
        thCity: 'Location',
        thEmail: 'Email'
    };
    Object.keys(labelMap).forEach(id => {
        const el = document.getElementById(id);
        if (!el) return;
        el.textContent = labelMap[id];
    });
    // Apply arrow
    const idByField = { id: 'thCustomer', name: 'thName', city: 'thCity', email: 'thEmail' };
    const activeId = idByField[by] || 'thCustomer';
    const activeEl = document.getElementById(activeId);
    if (activeEl) {
        activeEl.textContent = `${activeEl.textContent} ${arrow}`;
    }
}

// Export preview updater
function updateExportPreview(totalCount, pageCount) {
    window.lastCustomersTotal = Number.isFinite(totalCount) ? totalCount : 0;
    window.lastCustomersPageCount = Number.isFinite(pageCount) ? pageCount : 0;
    const el = document.getElementById('exportPreview');
    if (!el) return;
    const toggle = document.getElementById('exportAllToggle');
    const isAll = !!(toggle && toggle.checked);
    const pageClsActive = isAll ? 'text-neutral-600 dark:text-neutral-300' : 'font-semibold text-primary-700 dark:text-primary-300';
    const allClsActive = isAll ? 'font-semibold text-primary-700 dark:text-primary-300' : 'text-neutral-600 dark:text-neutral-300';
    const pageStr = (window.lastCustomersPageCount || 0).toLocaleString();
    const allStr = (window.lastCustomersTotal || 0).toLocaleString();
    el.innerHTML = `Export: <span class="${pageClsActive}">${pageStr}</span> page • <span class="${allClsActive}">${allStr}</span> all`;
}
</script>
{% endblock %}