dyadmisha
/
dune-weaver
zrcadlo https://github.com/tuanchris/dune-weaver.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
  <head>
    <script>
      // Immediately set dark mode if needed, before page loads
      const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
      const savedTheme = localStorage.getItem('theme');
      if (savedTheme === 'dark' || (!savedTheme && prefersDark)) {
        document.documentElement.classList.add('dark');
      }
    </script>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link crossorigin="" href="https://fonts.gstatic.com/" rel="preconnect" />
    <link
      as="style"
      href="https://fonts.googleapis.com/css2?display=swap&amp;family=Noto+Sans%3Awght%40400%3B500%3B700%3B900&amp;family=Plus+Jakarta+Sans%3Awght%40400%3B500%3B700%3B800"
      onload="this.rel='stylesheet'"
      rel="stylesheet"
    />
    <!-- Preload Material Icons fonts for faster loading -->
    <link rel="preload" href="/static/fonts/material-icons/MaterialIcons-Regular.woff2" as="font" type="font/woff2" crossorigin>
    <link rel="preload" href="/static/fonts/material-icons/MaterialIconsOutlined-Regular.woff2" as="font" type="font/woff2" crossorigin>
    <title>{% block title %}{{ app_name or 'Dune Weaver' }}{% endblock %}</title>
    <link rel="apple-touch-icon" sizes="180x180" href="/static/apple-touch-icon.png">
    <link rel="icon" type="image/png" sizes="32x32" href="/static/favicon-32x32.png">
    <link rel="icon" type="image/png" sizes="16x16" href="/static/favicon-16x16.png">
    <link rel="icon" type="image/x-icon" href="/static/favicon.ico">
    <link rel="manifest" href="/static/site.webmanifest?v=2">
    <link rel="stylesheet" href="/static/css/tailwind.css">
    <link rel="stylesheet" href="/static/css/material-icons.css">
    <style>

      /* Mobile navigation styles */
      @media (max-width: 640px) {
        nav.flex {
          display: grid;
          grid-template-columns: repeat(5, 1fr);
          gap: 0;
        }
        nav.flex a {
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          text-align: center;
          padding: 0.75rem 0;
        }
        nav.flex a .material-icons {
          margin-bottom: 0.25rem;
        }
      }

      /* Dark mode styles */
      .dark {
        color-scheme: dark;
      }
      .dark body {
        background-color: #1a1a1a;
        color: #e5e5e5;
      }
      .dark header {
        background-color: #262626;
        border-color: #404040;
      }
      .dark footer {
        background-color: #262626;
        border-color: #404040;
      }
      .dark .inactive-tab {
        color: #9ca3af;
      }
      .dark .inactive-tab:hover {
        color: #d1d5db;
      }
      .dark #player-status-bar-container {
        background-color: #262626;
        color: #e5e5e5;
      }
      .dark .bg-gray-100 {
        background-color: #262626;
      }
      .dark .bg-gray-200 {
        background-color: #404040;
      }
      .dark .bg-gray-300 {
        background-color: #525252;
      }
      .dark .text-gray-500 {
        color: #9ca3af;
      }
      .dark .text-gray-700 {
        color: #d1d5db;
      }
      .dark .text-gray-800 {
        color: #e5e5e5;
      }
      .dark .border-gray-200 {
        border-color: #404040;
      }
      .dark .hover\:bg-gray-200:hover {
        background-color: #404040;
      }
      .dark .hover\:bg-gray-300:hover {
        background-color: #525252;
      }
      .dark .hover\:border-gray-300:hover {
        border-color: #525252;
      }
      .dark .hover\:bg-gray-50:hover {
        background-color: #262626;
      }
      .dark .bg-white {
        background-color: #262626;
      }
      .dark #shutdown-button:hover {
        background-color: #404040;
      }
      .dark #theme-toggle:hover {
        background-color: #404040;
      }
      .dark .bg-gray-50 {
        background-color: #1a1a1a;
      }
      .dark .text-gray-900 {
        color: #e5e5e5;
      }
      .dark .text-gray-400 {
        color: #9ca3af;
      }
      .dark .border-gray-300 {
        border-color: #404040;
      }
      .dark .focus\:ring-offset-2 {
        --tw-ring-offset-color: #262626;
      }
      .dark .shadow-sm {
        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
      }
      .dark .shadow-lg {
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
      }
      .dark .shadow-xl {
        box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
      }

      /* Existing styles */
      .active-tab {
        color: #0c7ff2;
        border-color: #0c7ff2;
      }
      .active-tab .material-icons {
        color: #0c7ff2;
      }
      .inactive-tab {
        color: #6b7280;
        border-color: transparent;
      }
      .inactive-tab:hover {
        color: #374151;
      }
      #status-message {
        transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
      }

      /* Switch toggle styles */
      .switch {
        position: relative;
        display: inline-block;
        width: 40px;
        height: 20px;
      }

      .switch input {
        opacity: 0;
        width: 0;
        height: 0;
      }

      .slider {
        position: absolute;
        cursor: pointer;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: #ccc;
        transition: .4s;
        border-radius: 20px;
      }

      .slider:before {
        position: absolute;
        content: "";
        height: 16px;
        width: 16px;
        left: 2px;
        bottom: 2px;
        background-color: white;
        transition: .4s;
        border-radius: 50%;
      }

      input:checked + .slider {
        background-color: #0c7ff2;
      }

      input:checked + .slider:before {
        transform: translateX(20px);
      }

      /* Shadow for top of status bar */
      .shadow-lg-top {
        box-shadow: 0 -4px 6px -1px rgb(0 0 0 / 0.1), 0 -2px 4px -2px rgb(0 0 0 / 0.1);
      }

      /* Marquee animation for pattern name on small screens */
      @keyframes marquee {
        0%   { transform: translateX(0%); }
        50% { transform: translateX(-50%); }
      }
      .pattern-marquee {
        display: inline-block;
        min-width: 100%;
        animation: marquee 8s linear infinite;
      }
      @media (min-width: 640px) { /* sm: and up, disable marquee */
        .pattern-marquee {
          animation: none !important;
          transform: none !important;
        }
      }

      {% block additional_styles %}{% endblock %}
    </style>
    {% block additional_head %}{% endblock %}
  </head>
  <body
    class="bg-gray-50"
    style="font-family: 'Plus Jakarta Sans', 'Noto Sans', sans-serif"
  >
  <div
          class="mt-2 w-full text-center px-4 z-50 pointer-events-none absolute"
          id="status-message-container"
  >
      <p
              class="text-base font-semibold opacity-0 transform -translate-y-2 transition-all duration-300 ease-in-out px-10 py-2 rounded-lg shadow-lg"
              id="status-message"
      ></p>
  </div>
    <div
      class="relative flex size-full min-h-screen flex-col group/design-root overflow-x-hidden"
    >
      <div class="layout-container flex min-h-full grow flex-col">
        <header
          class="fixed top-0 left-0 right-0 z-10 flex items-center justify-between whitespace-nowrap border-b border-solid border-b-gray-200 bg-white px-4 sm:px-6 md:px-10 py-3 sm:py-4 shadow-sm"
        >
          <div class="flex items-center gap-3 text-gray-800">
            <a href="/" class="flex items-center gap-3 text-gray-800 hover:opacity-80 transition-opacity">
            <div class="text-blue-600 w-9 h-9 rounded-full shadow">
              <img src="/static/apple-touch-icon.png" alt="Dune Weaver Logo"/>
            </div>
            <h1
              class="text-gray-800 text-xl font-bold leading-tight tracking-tight flex items-center gap-2"
            >
              {{ app_name or 'Dune Weaver' }}
              <span
                id="connectionStatusDot"
                class="inline-block size-2 rounded-full bg-red-500 ml-2 align-middle"
              ></span>
            </h1>
            </a>
          </div>
          <div class="flex items-center gap-2">
            <!-- Update Available Indicator -->
            <button
              id="update-indicator"
              class="hidden p-1.5 flex rounded-lg hover:bg-green-100 dark:hover:bg-green-900 focus:outline-none focus:ring-2 focus:ring-green-500"
              aria-label="Update available"
              title="Software update available - Click to view"
            >
              <span class="material-icons text-green-600 dark:text-green-400 animate-pulse">system_update</span>
            </button>

            <button
              id="theme-toggle"
              class="p-1.5 flex rounded-lg hover:bg-gray-200 focus:outline-none focus:ring-2 focus:ring-blue-500"
              aria-label="Toggle dark mode"
            >
              <span class="material-icons" id="theme-toggle-icon">dark_mode</span>
            </button>
            <button
              id="shutdown-button"
              class="p-1.5 flex rounded-lg hover:bg-gray-200 focus:outline-none focus:ring-2 focus:ring-red-500"
              aria-label="Shutdown system"
              title="Shutdown System (Raspberry Pi only)"
            >
              <span class="material-icons text-red-600">power_settings_new</span>
            </button>
          </div>
        </header>
        <main class="flex flex-1 justify-center px-4 sm:px-6 lg:px-8 pt-16 sm:pt-20">
          {% block content %}{% endblock %}
        </main>

        <!-- Floating Preview Button -->
        <button
          id="toggle-preview-modal-btn"
          class="fixed bottom-24 right-4 z-30 bg-blue-600 hover:bg-blue-700 text-white rounded-full shadow-lg w-12 h-12 flex items-center justify-center transition-all focus:outline-none focus:ring-2 focus:ring-blue-500"
          title="Toggle Pattern Preview"
        >
          <span class="material-icons text-xl">preview</span>
        </button>

        <footer
          class="fixed bottom-0 left-0 right-0 z-10 bg-white border-t border-gray-200 shadow-t-sm"
        >
          <nav class="mx-auto flex max-w-5xl justify-around">
            <a
              class="{% if request.url.path == '/' %}active-tab{% else %}inactive-tab{% endif %} flex flex-1 flex-col items-center justify-center gap-1 border-b-[3px] {% if request.url.path != '/' %}border-transparent{% endif %} py-3 text-xs font-medium sm:text-sm"
              href="/"
            >
              <span class="material-icons">search</span> Browse
            </a>
            <a
              class="{% if request.url.path == '/playlists' %}active-tab{% else %}inactive-tab{% endif %} flex flex-1 flex-col items-center justify-center gap-1 border-b-[3px] py-3 text-xs font-medium sm:text-sm"
              href="/playlists"
            >
              <span class="material-icons">list_alt</span> Playlists
            </a>
            <a
              class="{% if request.url.path == '/table_control' %}active-tab{% else %}inactive-tab{% endif %} flex flex-1 flex-col items-center justify-center gap-1 border-b-[3px] py-3 text-xs font-medium sm:text-sm"
              href="/table_control"
            >
              <span class="material-icons">table_chart</span> Table Control
            </a>
            <a
            class="{% if request.url.path == '/led' %}active-tab{% else %}inactive-tab{% endif %} flex flex-1 flex-col items-center justify-center gap-1 border-b-[3px] py-3 text-xs font-medium sm:text-sm"
            href="/led"
          >
            <span class="material-icons">lightbulb</span> <span id="led-nav-label">LED</span>
          </a>
            <a
              class="{% if request.url.path == '/settings' %}active-tab{% else %}inactive-tab{% endif %} flex flex-1 flex-col items-center justify-center gap-1 border-b-[3px] py-3 text-xs font-medium sm:text-sm"
              href="/settings"
            >
              <span class="material-icons">settings</span> Settings
            </a>

          </nav>
        </footer>
      </div>
    </div>
    {% block scripts %}{% endblock %}
    <script src="/static/js/base.js"></script>

    <!-- Cache Progress Modal -->
    <div id="cacheProgressModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden p-4">
        <div class="bg-white dark:bg-gray-800 rounded-lg shadow-xl w-full max-w-md">
            <div class="p-6">
                <div class="text-center">
                    <h2 class="text-xl font-semibold text-gray-800 dark:text-gray-200 mb-2">Initializing Pattern Cache</h2>
                    <p class="text-gray-600 dark:text-gray-400 mb-4">Preparing your pattern previews...</p>
                    
                    <div class="mb-4">
                        <div class="w-full bg-gray-200 dark:bg-gray-700 rounded-full h-2">
                            <div id="cacheProgressBar" class="bg-blue-600 dark:bg-blue-400 h-2 rounded-full transition-all duration-300" style="width: 0%"></div>
                        </div>
                        <div class="mt-2 flex justify-between text-sm text-gray-500 dark:text-gray-400">
                            <span id="cacheProgressText">Starting...</span>
                            <span id="cacheProgressPercentage">0%</span>
                        </div>
                    </div>
                    
                    <div class="text-sm text-gray-500 dark:text-gray-400">
                        <p id="cacheCurrentStage">Preparing...</p>
                        <p id="cacheCurrentFile" class="mt-1 truncate"></p>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Player Preview Modal -->
    <div id="playerPreviewModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-40 hidden p-4">
        <div class="bg-white rounded-lg shadow-xl w-full max-w-5xl max-h-[95vh] flex flex-col">
            <div class="flex items-center justify-between p-4 border-b border-gray-200 flex-shrink-0">
                <h2 id="playerPreviewTitle" class="text-xl font-semibold text-gray-800">Pattern Preview</h2>
                <button id="closePlayerPreview" class="text-gray-400 hover:text-gray-600 transition-colors">
                    <span class="material-icons text-2xl">close</span>
                </button>
            </div>

            <!-- Canvas Area -->
            <div class="flex-1 p-4 flex justify-center items-center overflow-hidden">
                <div class="relative flex items-center justify-center w-full h-full">
                    <div class="relative max-w-[min(800px,90vw)] max-h-[min(600px,80vh)] aspect-square">
                        <canvas id="playerPreviewCanvas" width="800" height="800" class="w-full h-full rounded-full border border-gray-300 dark:invert"></canvas>
                    </div>
                </div>
            </div>

            <!-- Pattern Info and Controls -->
            <div class="flex-shrink-0 p-4 border-b border-gray-200 flex items-center gap-4 flex-wrap">
                <!-- Pattern Preview Image -->
                <div class="flex-shrink-0">
                    <img id="modal-pattern-preview-img"
                         class="w-[126px] h-[126px] rounded-full border border-gray-300 object-cover dark:invert" src="">
                </div>

                <div class="flex-grow w-auto">
                    <div class="flex items-center justify-between mb-2">
                        <div class="min-w-0 max-w-[50%]">
                            <div class="overflow-hidden relative">
                                <p class="text-lg font-semibold whitespace-nowrap" id="modal-pattern-name">
                                    No pattern playing
                                </p>
                            </div>
                            <p class="text-base text-gray-500" id="modal-eta">
                                ETA: --:--
                            </p>
                        </div>
                        <div class="flex items-center gap-2 flex-shrink-0">
                            <button
                                aria-label="Next"
                                class="w-12 aspect-square rounded-full flex items-center justify-center hover:bg-gray-200 focus:outline-none focus:ring-2 focus:ring-blue-500"
                                id="modal-skip-button"
                            >
                                <span class="material-icons text-gray-700">skip_next</span>
                            </button>
                            <button
                                aria-label="Pause"
                                class="w-12 aspect-square rounded-full flex items-center justify-center hover:bg-gray-200 focus:outline-none focus:ring-2 focus:ring-blue-500"
                                id="modal-pause-button"
                            >
                                <span class="material-icons text-gray-700">pause</span>
                            </button>
                            <button
                                aria-label="Stop"
                                class="w-12 aspect-square rounded-full flex items-center justify-center hover:bg-gray-200 focus:outline-none focus:ring-2 focus:ring-blue-500"
                                id="modal-stop-button"
                            >
                                <span class="material-icons text-gray-700">stop</span>
                            </button>
                        </div>
                    </div>
                    <div class="w-full bg-gray-300 rounded-full h-2.5 mb-2">
                        <div
                            class="bg-blue-600 h-2.5 rounded-full"
                            id="modal-progress-bar"
                            style="width: 0%"
                        ></div>
                    </div>
                    <div class="flex items-center justify-between">
                        <div class="text-base text-gray-500">
                            Next:
                            <span class="text-gray-700 font-medium" id="modal-next-pattern">None</span>
                        </div>
                        <div class="flex items-center gap-3 text-sm">
                            <span class="text-gray-500">Speed:</span>
                            <div class="flex items-center gap-2">
                                <div class="relative min-w-[4ch] text-center cursor-pointer inline-flex items-center" id="modal-speed-container">
                                    <span class="inline-block px-2 py-1 text-gray-700 font-medium border border-transparent rounded hover:border-gray-300 hover:bg-gray-50 transition-colors" id="modal-speed-display" title="Click to edit speed">--</span>
                                    <input type="number" min="1" max="5000" step="1" class="w-16 sm:w-20 px-2 py-1 text-sm border border-blue-500 rounded focus:border-blue-500 focus:ring-1 focus:ring-blue-500 text-center hidden" id="modal-speed-input" />
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <script>
      // Function to show status message
      function showStatusMessage(message, type = "success") {
        const statusContainer = document.getElementById(
          "status-message-container"
        );
        const statusMessage = document.getElementById("status-message");

        if (!statusContainer || !statusMessage) return;

        // Set message and color based on type
        statusMessage.textContent = message;
        statusMessage.className = `text-base font-semibold opacity-0 transform -translate-y-2 transition-all duration-300 ease-in-out px-4 py-2 rounded-lg shadow-lg ${
          type === "success"
            ? "bg-green-50 text-green-700 border border-green-200"
            : type === "error"
            ? "bg-red-50 text-red-700 border border-red-200"
            : type === "warning"
            ? "bg-yellow-50 text-yellow-700 border border-yellow-200"
            : "bg-blue-50 text-blue-700 border border-blue-200"
        }`;

        // Show message with animation
        requestAnimationFrame(() => {
          statusMessage.classList.remove("opacity-0", "-translate-y-2");
          statusMessage.classList.add("opacity-100", "translate-y-0");
        });

        // Hide message after 5 seconds
        setTimeout(() => {
          statusMessage.classList.remove("opacity-100", "translate-y-0");
          statusMessage.classList.add("opacity-0", "-translate-y-2");
        }, 5000);
      }

      // Initial connection status check
      async function checkInitialConnectionStatus() {
        try {
          const response = await fetch("/serial_status");
          if (response.ok) {
            const data = await response.json();
            const statusDot = document.getElementById("connectionStatusDot");
            if (statusDot) {
              statusDot.className = `inline-block size-2 rounded-full ml-2 align-middle ${
                data.connected ? "bg-green-500" : "bg-red-500"
              }`;
            }
          }
        } catch (error) {
          console.error("Error checking initial connection status:", error);
        }
      }

      // Check initial status on page load
      document.addEventListener("DOMContentLoaded", checkInitialConnectionStatus);

      // Player bar toggle logic will be handled by base.js
    </script>
    
    <script>
      // Cache progress modal functionality
      let cacheProgressSocket = null;
      let cacheProgressCheckInterval = null;
      
      function initCacheProgressModal() {
        const modal = document.getElementById('cacheProgressModal');
        const progressBar = document.getElementById('cacheProgressBar');
        const progressText = document.getElementById('cacheProgressText');
        const progressPercentage = document.getElementById('cacheProgressPercentage');
        const currentStage = document.getElementById('cacheCurrentStage');
        const currentFile = document.getElementById('cacheCurrentFile');
        
        // Check if cache generation is needed on page load
        fetch('/cache-progress')
          .then(response => response.json())
          .then(data => {
            if (data.is_running) {
              showCacheProgressModal();
            }
          })
          .catch(error => {
            console.error('Error checking initial cache progress:', error);
          });
        
        function showCacheProgressModal() {
          modal.classList.remove('hidden');
          
          // Connect to WebSocket for real-time updates
          const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
          const wsUrl = `${protocol}//${window.location.host}/ws/cache-progress`;
          
          cacheProgressSocket = new WebSocket(wsUrl);
          
          cacheProgressSocket.onmessage = function(event) {
            const data = JSON.parse(event.data);
            if (data.type === 'cache_progress') {
              updateCacheProgress(data.data);
            }
          };
          
          cacheProgressSocket.onclose = function() {
            // Fallback to polling if WebSocket fails
            startProgressPolling();
          };
          
          cacheProgressSocket.onerror = function() {
            // Fallback to polling if WebSocket fails
            startProgressPolling();
          };
        }
        
        function startProgressPolling() {
          if (cacheProgressCheckInterval) {
            clearInterval(cacheProgressCheckInterval);
          }
          
          cacheProgressCheckInterval = setInterval(() => {
            fetch('/cache-progress')
              .then(response => response.json())
              .then(data => updateCacheProgress(data))
              .catch(error => console.error('Error fetching cache progress:', error));
          }, 1000);
        }
        
        function updateCacheProgress(data) {
          if (!data.is_running && data.stage === 'complete') {
            console.log('Initial cache generation completed');
            hideCacheProgressModal();
            // Trigger cache all prompt after initial cache generation completes
            if (typeof onInitialCacheComplete === 'function') {
              console.log('Calling onInitialCacheComplete()');
              onInitialCacheComplete();
            } else {
              console.log('onInitialCacheComplete function not found');
            }
            return;
          }
          
          if (!data.is_running && data.stage === 'error') {
            progressText.textContent = 'Error occurred';
            currentStage.textContent = data.error || 'Unknown error';
            currentFile.textContent = '';
            return;
          }
          
          if (!data.is_running) {
            hideCacheProgressModal();
            return;
          }
          
          // Calculate progress percentage
          const percentage = data.total_files > 0 ? Math.round((data.processed_files / data.total_files) * 100) : 0;
          
          // Update progress bar
          progressBar.style.width = `${percentage}%`;
          progressPercentage.textContent = `${percentage}%`;
          
          // Update text based on stage
          let stageText = '';
          let progressTextContent = '';
          
          switch (data.stage) {
            case 'starting':
              stageText = 'Initializing...';
              progressTextContent = 'Getting ready...';
              break;
            case 'metadata':
              stageText = 'Processing pattern metadata';
              progressTextContent = `${data.processed_files} of ${data.total_files} patterns`;
              break;
            case 'images':
              stageText = 'Generating pattern previews';
              progressTextContent = `${data.processed_files} of ${data.total_files} previews`;
              break;
            default:
              stageText = 'Processing...';
              progressTextContent = `${data.processed_files} of ${data.total_files} files`;
          }
          
          currentStage.textContent = stageText;
          progressText.textContent = progressTextContent;
          
          // Update current file
          if (data.current_file) {
            currentFile.textContent = `Current: ${data.current_file}`;
          } else {
            currentFile.textContent = '';
          }
        }
        
        function hideCacheProgressModal() {
          modal.classList.add('hidden');
          
          if (cacheProgressSocket) {
            cacheProgressSocket.close();
            cacheProgressSocket = null;
          }
          
          if (cacheProgressCheckInterval) {
            clearInterval(cacheProgressCheckInterval);
            cacheProgressCheckInterval = null;
          }
        }
        
        // Expose functions globally for potential external use
        window.showCacheProgressModal = showCacheProgressModal;
        window.hideCacheProgressModal = hideCacheProgressModal;
      }
      
      // Initialize when DOM is loaded
      document.addEventListener('DOMContentLoaded', initCacheProgressModal);
    </script>
    <script>
      // Theme switching functionality
      document.addEventListener('DOMContentLoaded', function() {
        const themeToggle = document.getElementById('theme-toggle');
        const themeToggleIcon = document.getElementById('theme-toggle-icon');

        // Update icon based on current theme
        function updateThemeIcon() {
          const isDark = document.documentElement.classList.contains('dark');
          themeToggleIcon.textContent = isDark ? 'light_mode' : 'dark_mode';
        }

        // Initial icon update
        updateThemeIcon();

        // Theme toggle click handler
        themeToggle.addEventListener('click', () => {
          const isDark = document.documentElement.classList.toggle('dark');
          localStorage.setItem('theme', isDark ? 'dark' : 'light');
          updateThemeIcon();
        });
      });

      // Shutdown button functionality
      document.addEventListener('DOMContentLoaded', function() {
        const shutdownButton = document.getElementById('shutdown-button');

        // Shutdown button click handler
        shutdownButton.addEventListener('click', async () => {
          const confirmed = confirm('Are you sure you want to shutdown the system?\n\nNote: This only works on Raspberry Pi.\n\nThis will:\n1. Stop Docker containers\n2. Shut down the system\n\nYou will need physical access to restart it.');

          if (!confirmed) return;

          try {
            showStatusMessage('Initiating shutdown...', 'warning');

            const response = await fetch('/api/system/shutdown', { method: 'POST' });
            const data = await response.json();

            if (data.success) {
              showStatusMessage('System is shutting down...', 'success');
            } else {
              showStatusMessage('Shutdown failed: ' + data.message, 'error');
            }
          } catch (error) {
            showStatusMessage('Failed to shutdown: ' + error.message, 'error');
          }
        });
      });

      // Update indicator functionality
      document.addEventListener('DOMContentLoaded', async function() {
        const updateIndicator = document.getElementById('update-indicator');
        if (!updateIndicator) return;

        // Check for updates
        async function checkForUpdates() {
          try {
            const response = await fetch('/api/version');
            const data = await response.json();

            // Show indicator if update is available
            if (data.update_available) {
              updateIndicator.classList.remove('hidden');
            } else {
              updateIndicator.classList.add('hidden');
            }
          } catch (error) {
            console.error('Failed to check for updates:', error);
          }
        }

        // Initial check
        await checkForUpdates();

        // Check every hour
        setInterval(checkForUpdates, 3600000);

        // Click handler - navigate to settings and scroll to update section
        updateIndicator.addEventListener('click', () => {
          // Navigate to settings page
          window.location.href = '/settings#software-version-section';
        });
      });
    </script>

    <!-- Cache All Previews Prompt Modal -->
    <div id="cacheAllPromptModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden p-4">
        <div class="bg-white dark:bg-gray-800 rounded-lg shadow-xl w-full max-w-md">
            <div class="p-6">
                <div class="text-center">
                    <h2 class="text-xl font-semibold text-gray-800 dark:text-gray-200 mb-2">Cache All Pattern Previews?</h2>
                    <p class="text-gray-600 dark:text-gray-400 mb-4 max-w-md mx-auto">
                        Would you like to cache all pattern previews for faster browsing? This will download and store preview images in your browser for instant loading.
                    </p>
                    
                    <div class="bg-amber-50 dark:bg-amber-900 p-3 rounded-lg mb-4 text-sm">
                        <p class="text-amber-700 dark:text-amber-300">
                            <strong>Note:</strong> This cache is browser-specific. You'll need to repeat this process for each browser you use.
                        </p>
                    </div>
                    
                    <!-- Progress section (hidden initially) -->
                    <div id="cacheAllProgress" class="mb-4 hidden">
                        <div class="w-full bg-gray-200 dark:bg-gray-700 rounded-full h-2">
                            <div id="cacheAllProgressBar" class="bg-blue-600 dark:bg-blue-400 h-2 rounded-full transition-all duration-300" style="width: 0%"></div>
                        </div>
                        <div class="mt-2 flex justify-between text-sm text-gray-500 dark:text-gray-400">
                            <span id="cacheAllProgressText">Starting...</span>
                            <span id="cacheAllProgressPercentage">0%</span>
                        </div>
                    </div>
                    
                    <!-- Buttons -->
                    <div id="cacheAllButtons" class="flex gap-3 justify-center">
                        <button id="skipCacheAllBtn" class="px-4 py-2 text-gray-600 dark:text-gray-400 hover:text-gray-800 dark:hover:text-gray-200 transition-colors">
                            Skip for now
                        </button>
                        <button id="startCacheAllBtn" class="px-6 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg transition-colors">
                            Cache All Previews
                        </button>
                    </div>
                    
                    <!-- Completion message (hidden initially) -->
                    <div id="cacheAllComplete" class="hidden">
                        <p class="text-green-600 dark:text-green-400 mb-4">✓ All previews cached successfully!</p>
                        <button id="closeCacheAllBtn" class="px-6 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg transition-colors">
                            Done
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </div>
  </body>
</html>