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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Watford Traffic Checker with Map</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
+    <!-- TomTom Maps SDK CSS -->
+    <link rel='stylesheet' type='text/css' href='https://api.tomtom.com/maps-sdk-for-web/cdn/6.x/6.25.0/maps/maps.css'>
+    <style>
+        body {
+            font-family: 'Inter', sans-serif;
+            background: linear-gradient(-45deg, #667eea, #853dce, #ed49ff, #3b3ef8, #4facfe, #00f2fe);
+            background-size: 400% 400%;
+            animation: gradientFlow 60s ease infinite;
+        }
+        
+        @keyframes gradientFlow {
+            0% {
+                background-position: 0% 50%;
+            }
+            25% {
+                background-position: 100% 50%;
+            }
+            50% {
+                background-position: 100% 100%;
+            }
+            75% {
+                background-position: 0% 100%;
+            }
+            100% {
+                background-position: 0% 50%;
+            }
+        }
+        
+        /* Main container sizing for 800x500 constraint */
+        .main-container {
+            width: 800px;
+            height: 500px;
+            max-width: 800px;
+            max-height: 500px;
+            backdrop-filter: blur(20px) saturate(180%);
+            background: rgba(255, 255, 255, 0.25);
+            border: 1px solid rgba(255, 255, 255, 0.3);
+            border-radius: 24px;
+            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
+        }
+        
+        /* Set a height for the map container */
+        #map {
+            height: 280px;
+            width: 100%;
+            border-radius: 12px;
+            background: rgba(255, 255, 255, 0.1);
+            backdrop-filter: blur(10px);
+            border: 1px solid rgba(255, 255, 255, 0.2);
+            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+        }
+        
+        /* Map skeleton loader styles */
+        .map-skeleton {
+            height: 280px;
+            width: 100%;
+            border-radius: 12px;
+            background: rgba(255, 255, 255, 0.1);
+            backdrop-filter: blur(10px);
+            border: 1px solid rgba(255, 255, 255, 0.2);
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            color: rgba(255, 255, 255, 0.8);
+            font-size: 0.875rem;
+            font-weight: 500;
+            box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.05);
+            position: relative;
+            overflow: hidden;
+        }
+        
+        .map-skeleton::before {
+            content: '';
+            position: absolute;
+            top: 0;
+            left: -100%;
+            width: 100%;
+            height: 100%;
+            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
+            animation: shimmer 2s infinite;
+        }
+        
+        @keyframes shimmer {
+            0% { left: -100%; }
+            100% { left: 100%; }
+        }
+        
+        /* Traffic dial styling */
+        .traffic-dial {
+            background: rgba(255, 255, 255, 0.15);
+            backdrop-filter: blur(10px) saturate(180%);
+            border: 1px solid rgba(255, 255, 255, 0.25);
+            border-radius: 50%;
+            padding: 8px;
+            box-shadow: 
+                0 8px 24px rgba(0, 0, 0, 0.12),
+                inset 0 1px 0 rgba(255, 255, 255, 0.3);
+        }
+        
+        /* Ensure the map container parent has proper dimensions */
+        .map-container {
+            flex: 1;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+        }
+        
+        /* Force horizontal layout with better spacing */
+        .side-by-side {
+            display: flex;
+            flex-direction: row;
+            align-items: center;
+            justify-content: space-between;
+            gap: 2rem;
+            height: 320px;
+        }
+        
+        .dial-section {
+            flex-shrink: 0;
+            width: 220px;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            justify-content: center;
+        }
+        
+        /* Custom button styling */
+        .custom-button {
+            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
+            transform: scale(1);
+            width: 100%;
+            max-width: 200px;
+            min-height: 48px;
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            white-space: nowrap;
+        }
+        
+        .custom-button:hover:not(:disabled) {
+            transform: translateY(-1px) scale(1.02);
+            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
+        }
+        
+        .custom-button:active {
+            transform: translateY(0) scale(0.98);
+            transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
+        }
+        
+        .custom-button:disabled {
+            opacity: 0.7;
+            cursor: not-allowed;
+            transform: scale(1);
+        }
+        
+        /* Status message styling */
+        .status-text {
+            min-height: 24px;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+        }
+    </style>
+</head>
+<body class="bg-gray-100 dark:bg-gray-900 flex items-center justify-center min-h-screen p-4">
+
+    <div class="main-container mx-auto shadow-2xl p-6">
+        <div class="text-center mb-6">
+            <h1 class="text-2xl font-bold bg-gradient-to-r from-white to-gray-200 bg-clip-text text-transparent">
+                Watford Traffic Score
+            </h1>
+            <p class="text-white mt-2 opacity-90">Real-time congestion from 0 (clear) to 1 (heavy)</p>
+        </div>
+
+        <!-- Main content container with dial and map side by side -->
+        <div class="side-by-side">
+            <!-- Left side: Traffic Dial and Controls -->
+            <div class="dial-section">
+                <!-- Traffic Dial -->
+                <div class="relative w-36 h-36 mx-auto mb-4 traffic-dial">
+                    <svg class="w-full h-full" viewBox="0 0 120 120">
+                        <!-- Background track -->
+                        <circle cx="60" cy="60" r="54" fill="none" stroke-width="12" class="stroke-white opacity-30" />
+                        <!-- Progress bar -->
+                        <circle id="traffic-progress" cx="60" cy="60" r="54" fill="none" stroke-width="12"
+                            class="stroke-green-400"
+                            stroke-dasharray="339.292"
+                            stroke-dashoffset="339.292"
+                            transform="rotate(-90 60 60)" />
+                    </svg>
+                    <div id="traffic-value" class="absolute inset-0 flex items-center justify-center text-3xl font-bold text-white">
+                        --
+                    </div>
+                </div>
+
+                <p id="status-message" class="text-white mb-6 status-text font-medium opacity-90">Ready to load traffic data</p>
+
+                <!-- Get Traffic Data Button -->
+                <button id="refresh-button" class="w-full text-white font-semibold py-3 px-6 rounded-xl custom-button border-0">
+                    <svg id="refresh-icon" class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h5M20 20v-5h-5M20 4l-4 4M4 20l4-4"></path></svg>
+                    <span id="button-text">Get Traffic Data</span>
+                </button>
+            </div>
+
+            <!-- Right side: Map Container -->
+            <div class="map-container">
+                <div id="map"></div>
+            </div>
+        </div>
+
+        <div class="text-center mt-4">
+            <p class="text-xs text-white opacity-70">Powered by TomTom Traffic API & Maps SDK</p>
+            <p id="error-message" class="text-red-300 mt-1 text-sm font-medium"></p>
+        </div>
+    </div>
+
+    <!-- TomTom Maps SDK JS -->
+    <script src="https://api.tomtom.com/maps-sdk-for-web/cdn/6.x/6.25.0/maps/maps-web.min.js"></script>
+
+    <script>
+        // --- CONFIGURATION ---
+        // 1. Get your free API key from https://developer.tomtom.com/
+        // 2. Paste your API key below.
+        const apiKey = "MTn7ZkFleT4NHBBdokIPJWffwx2plFcI"; 
+
+        // Coordinates for Watford town centre
+        const watfordLat = 51.657;
+        const watfordLon = -0.395;
+        const watfordCoords = `${watfordLat},${watfordLon}`;
+
+        // --- DOM ELEMENTS ---
+        const trafficValueEl = document.getElementById('traffic-value');
+        const statusMessageEl = document.getElementById('status-message');
+        const errorMessageEl = document.getElementById('error-message');
+        const refreshButton = document.getElementById('refresh-button');
+        const buttonText = document.getElementById('button-text');
+        const refreshIcon = document.getElementById('refresh-icon');
+        const trafficProgress = document.getElementById('traffic-progress');
+        const mapContainer = document.getElementById('map');
+        
+        const circleCircumference = 2 * Math.PI * 54; // 2 * pi * radius
+        let map = null; // Variable to hold the map instance
+
+        // --- FUNCTIONS ---
+
+        /**
+         * Shows a skeleton placeholder for the map on initial load.
+         */
+        function showMapSkeleton() {
+            errorMessageEl.textContent = ''; // Clear previous errors
+            mapContainer.innerHTML = '<div class="map-skeleton">📍 Click "Get Traffic Data" to load map</div>';
+            statusMessageEl.textContent = "Ready to load traffic data";
+        }
+
+        /**
+         * Validates the API key and initializes the map and data fetch.
+         */
+        function startApp() {
+            errorMessageEl.textContent = ''; // Clear previous errors
+            if (apiKey === "YOUR_API_KEY_HERE" || !apiKey) {
+                errorMessageEl.textContent = "ACTION REQUIRED: Please enter a valid TomTom API key in the script.";
+                statusMessageEl.textContent = "API Key Missing";
+                mapContainer.innerHTML = '<div class="flex items-center justify-center h-full text-gray-500">Map requires an API key</div>';
+                return;
+            }
+            
+            // First initialize the map, then fetch traffic data
+            initializeMap();
+            getTrafficData();
+        }
+
+        /**
+         * Initializes the TomTom map with traffic layers.
+         */
+        function initializeMap() {
+            if (map) {
+                map.remove();
+            }
+
+            map = tt.map({
+                key: apiKey,
+                container: 'map',
+                center: [watfordLon, watfordLat],
+                zoom: 13,
+                stylesVisibility: {
+                    trafficFlow: true,
+                    trafficIncidents: true
+                }
+            });
+            
+            map.addControl(new tt.NavigationControl());
+        }
+
+        /**
+         * Updates the UI for the traffic score dial.
+         * @param {number} score - The traffic score from 0 to 1.
+         */
+        function updateUI(score) {
+            const dashOffset = circleCircumference * (1 - score);
+
+            trafficValueEl.textContent = score.toFixed(2);
+            trafficProgress.style.strokeDashoffset = dashOffset;
+            
+            if (score < 0.3) {
+                statusMessageEl.textContent = "Traffic is flowing freely.";
+                trafficProgress.classList.remove('stroke-yellow-500', 'stroke-red-500');
+                trafficProgress.classList.add('stroke-green-500');
+            } else if (score < 0.7) {
+                statusMessageEl.textContent = "Moderate congestion.";
+                trafficProgress.classList.remove('stroke-green-500', 'stroke-red-500');
+                trafficProgress.classList.add('stroke-yellow-500');
+            } else {
+                statusMessageEl.textContent = "Heavy traffic reported.";
+                trafficProgress.classList.remove('stroke-green-500', 'stroke-yellow-500');
+                trafficProgress.classList.add('stroke-red-500');
+            }
+        }
+        
+        /**
+         * Fetches traffic data for the score dial from the TomTom API.
+         */
+        async function getTrafficData() {
+            statusMessageEl.textContent = 'Fetching data...';
+            trafficValueEl.textContent = '--';
+            refreshButton.disabled = true;
+            buttonText.textContent = 'Loading...';
+            refreshIcon.classList.add('animate-spin');
+
+            const apiUrl = `https://api.tomtom.com/traffic/services/4/flowSegmentData/absolute/10/json?point=${watfordCoords}&unit=KMPH&key=${apiKey}`;
+
+            try {
+                const response = await fetch(apiUrl);
+                if (!response.ok) {
+                    let errorDetails = response.statusText;
+                    try {
+                        const errorData = await response.json();
+                        if (errorData && errorData.detailedError && errorData.detailedError.message) {
+                            errorDetails = errorData.detailedError.message;
+                        } else if (errorData && errorData.error && errorData.error.description) {
+                            errorDetails = errorData.error.description;
+                        }
+                    } catch (e) {
+                        console.log("Could not parse error response as JSON.");
+                    }
+                    throw new Error(`API Error: ${response.status} - ${errorDetails}`);
+                }
+                const data = await response.json();
+
+                if (data && data.flowSegmentData) {
+                    const { currentSpeed, freeFlowSpeed } = data.flowSegmentData;
+                    
+                    const trafficScore = freeFlowSpeed > 0 ? 1 - (currentSpeed / freeFlowSpeed) : 0;
+                    const finalScore = Math.max(0, trafficScore);
+
+                    updateUI(finalScore);
+                } else {
+                    throw new Error("No traffic data found for this location.");
+                }
+
+            } catch (error) {
+                console.error("Failed to fetch traffic data:", error);
+                errorMessageEl.textContent = `Error: ${error.message}`;
+                statusMessageEl.textContent = 'Could not load data.';
+            } finally {
+                resetButtonState();
+            }
+        }
+
+        /**
+         * Resets the refresh button to its default state.
+         */
+        function resetButtonState() {
+            refreshButton.disabled = false;
+            buttonText.textContent = 'Get Traffic Data';
+            refreshIcon.classList.remove('animate-spin');
+        }
+
+        // --- EVENT LISTENERS ---
+        refreshButton.addEventListener('click', startApp);
+
+        // Initial load - show skeleton placeholder only, no API calls
+        window.addEventListener('load', showMapSkeleton);
+    </script>
+</body>
+</html>
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