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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>TideSlots | Fraser River Salmon & Tide Tracking</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script>
        tailwind.config = {
            theme: {
                extend: {
                    colors: {
                        primary: {
                            light: '#f8fafc',
                            DEFAULT: '#f1f5f9',
                            dark: '#e2e8f0'
                        },
                        accent: {
                            light: '#3b82f6',
                            DEFAULT: '#2563eb',
                            dark: '#1d4ed8'
                        },
                        salmon: {
                            chinook: '#3b82f6',
                            sockeye: '#ef4444',
                            coho: '#10b981',
                            pink: '#8b5cf6'
                        }
                    },
                    fontFamily: {
                        sans: ['-apple-system', 'BlinkMacSystemFont', 'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', 'sans-serif'],
                    },
                }
            }
        }
    </script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .animate-fade-in {
            animation: fadeIn 0.5s ease-out forwards;
        }
        
        .card {
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
        }
        
        .card-hover {
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        }
        
        .salmon-icon {
            filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
        }
        
        .loading-spinner {
            border: 3px solid rgba(59, 130, 246, 0.1);
            border-radius: 50%;
            border-top: 3px solid #3b82f6;
            width: 24px;
            height: 24px;
            animation: spin 1s linear infinite;
            margin: 0 auto;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .glass-nav {
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.8);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .hero-gradient {
            background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
        }
        
        .source-link {
            color: #3b82f6;
            text-decoration: underline;
            font-size: 0.75rem;
        }
        
        .source-link:hover {
            color: #2563eb;
        }
    </style>
</head>
<body class="font-sans bg-primary-light text-gray-900">
    <!-- Header -->
    <header class="glass-nav fixed w-full z-50">
        <div class="container mx-auto px-6 py-4">
            <div class="flex items-center justify-between">
                <div class="flex items-center space-x-3">
                    <svg class="salmon-icon w-8 h-8" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <path d="M22 12L18 8L15 11L12 8L9 11L6 8L2 12C2 17.5228 6.47715 22 12 22C17.5228 22 22 17.5228 22 12Z" fill="#2563eb"/>
                        <path d="M6 8L2 12L6 16L9 13L12 16L15 13L18 16L22 12L18 8" fill="#FECACA"/>
                    </svg>
                    <h1 class="text-xl font-semibold">TideSlots</h1>
                </div>
                <div class="text-sm bg-white px-3 py-1 rounded-full border border-gray-200">
                    <span id="last-updated">Loading data...</span>
                </div>
            </div>
        </div>
    </header>

    <!-- Hero Section -->
    <section class="hero-gradient pt-24 pb-16">
        <div class="container mx-auto px-6">
            <div class="max-w-3xl mx-auto text-center animate-fade-in" style="animation-delay: 0.1s">
                <h2 class="text-4xl md:text-5xl font-semibold text-white mb-4">Fraser River Salmon Tracker</h2>
                <p class="text-xl text-blue-100 mb-8">Real-time tracking of salmon migration & tide patterns</p>
                
                <div class="grid grid-cols-3 gap-4 max-w-md mx-auto">
                    <div class="card rounded-xl p-4 text-center relative">
                        <div class="text-2xl font-medium text-accent-DEFAULT" id="salmon-counter">0</div>
                        <div class="text-gray-600 text-sm">Salmon counted</div>
                        <a href="https://www.pac.dfo-mpo.gc.ca/fm-gp/salmon-saumon/index-eng.html" class="source-link absolute bottom-1 right-2">DFO Canada</a>
                    </div>
                    <div class="card rounded-xl p-4 text-center relative">
                        <div class="text-2xl font-medium text-accent-DEFAULT" id="water-temp">0°C</div>
                        <div class="text-gray-600 text-sm">Water temp</div>
                        <a href="https://wateroffice.ec.gc.ca/" class="source-link absolute bottom-1 right-2">Water Office</a>
                    </div>
                    <div class="card rounded-xl p-4 text-center relative">
                        <div class="text-2xl font-medium text-accent-DEFAULT" id="river-flow">0 m³/s</div>
                        <div class="text-gray-600 text-sm">River flow</div>
                        <a href="https://wateroffice.ec.gc.ca/" class="source-link absolute bottom-1 right-2">Water Office</a>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Main Content -->
    <main class="container mx-auto px-6 py-12 -mt-10">
        <!-- Current Runs Section -->
        <section class="mb-16 animate-fade-in" style="animation-delay: 0.2s">
            <div class="flex items-center justify-between mb-8">
                <h2 class="text-2xl font-semibold text-gray-900">Current Salmon Runs</h2>
                <div class="text-sm text-gray-500">Data source: 
                    <a href="https://www.pac.dfo-mpo.gc.ca/fm-gp/salmon-saumon/index-eng.html" class="source-link">DFO Canada</a>
                </div>
            </div>

            <div id="salmon-data-container" class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
                <!-- Data will be loaded here -->
                <div class="col-span-4 py-12">
                    <div class="loading-spinner"></div>
                    <p class="text-center mt-3 text-gray-500">Loading salmon data...</p>
                </div>
            </div>
        </section>

        <!-- River Conditions Section -->
        <section class="mb-16 animate-fade-in" style="animation-delay: 0.3s">
            <div class="card rounded-2xl p-6">
                <div class="flex items-center justify-between mb-6">
                    <h2 class="text-2xl font-semibold text-gray-900">River & Tide Conditions</h2>
                    <div class="text-sm text-gray-500">Data source: 
                        <a href="https://wateroffice.ec.gc.ca/" class="source-link">Water Office of Canada</a>
                    </div>
                </div>

                <div class="grid grid-cols-1 md:grid-cols-3 gap-6 mb-8">
                    <div class="card rounded-xl p-6 card-hover relative">
                        <div class="flex items-center mb-4">
                            <div class="bg-blue-100 p-3 rounded-xl mr-4">
                                <i class="fas fa-temperature-high text-blue-600 text-xl"></i>
                            </div>
                            <div>
                                <h3 class="font-medium text-gray-700">Water Temperature</h3>
                                <div class="text-2xl font-semibold text-gray-900" id="current-temp">0°C</div>
                            </div>
                        </div>
                        <div class="h-40" id="temp-chart"></div>
                        <a href="https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=08MH024" class="source-link absolute bottom-2 right-3">Station 08MH024</a>
                    </div>

                    <div class="card rounded-xl p-6 card-hover relative">
                        <div class="flex items-center mb-4">
                            <div class="bg-blue-100 p-3 rounded-xl mr-4">
                                <i class="fas fa-water text-blue-600 text-xl"></i>
                            </div>
                            <div>
                                <h3 class="font-medium text-gray-700">Tide Level</h3>
                                <div class="text-2xl font-semibold text-gray-900" id="current-level">0m</div>
                            </div>
                        </div>
                        <div class="h-40" id="level-chart"></div>
                        <a href="https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=08MF005" class="source-link absolute bottom-2 right-3">Station 08MF005</a>
                    </div>

                    <div class="card rounded-xl p-6 card-hover relative">
                        <div class="flex items-center mb-4">
                            <div class="bg-blue-100 p-3 rounded-xl mr-4">
                                <i class="fas fa-tachometer-alt text-blue-600 text-xl"></i>
                            </div>
                            <div>
                                <h3 class="font-medium text-gray-700">Flow Rate</h3>
                                <div class="text-2xl font-semibold text-gray-900" id="current-flow">0 m³/s</div>
                            </div>
                        </div>
                        <div class="h-40" id="flow-chart"></div>
                        <a href="https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=08MG005" class="source-link absolute bottom-2 right-3">Station 08MG005</a>
                    </div>
                </div>

                <div class="bg-primary-DEFAULT rounded-xl p-4">
                    <h3 class="font-medium text-gray-700 mb-3">Monitoring Stations</h3>
                    <div class="overflow-x-auto">
                        <table class="min-w-full divide-y divide-gray-200">
                            <thead>
                                <tr>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Station</th>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Level</th>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Temp</th>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Flow</th>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Updated</th>
                                </tr>
                            </thead>
                            <tbody id="station-data" class="divide-y divide-gray-200">
                                <!-- Data will be loaded here -->
                                <tr>
                                    <td colspan="5" class="px-4 py-8 text-center">
                                        <div class="loading-spinner"></div>
                                        <p class="mt-2 text-sm text-gray-500">Loading station data...</p>
                                    </td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </section>

        <!-- Forecast Section -->
        <section class="animate-fade-in" style="animation-delay: 0.4s">
            <div class="card rounded-2xl p-6">
                <div class="flex items-center justify-between mb-6">
                    <h2 class="text-2xl font-semibold text-gray-900">Migration & Tide Forecast</h2>
                    <div class="text-sm text-gray-500">Data sources: 
                        <a href="https://www.pac.dfo-mpo.gc.ca/fm-gp/salmon-saumon/index-eng.html" class="source-link">DFO Canada</a> & 
                        <a href="https://www.dfo-mpo.gc.ca/science/publications/psarc-ssars/index-eng.html" class="source-link">PSARC</a>
                    </div>
                </div>

                <div class="grid grid-cols-1 lg:grid-cols-2 gap-8">
                    <div class="card rounded-xl p-6 card-hover relative">
                        <h3 class="font-medium text-gray-700 mb-4">Weekly Projection</h3>
                        <div class="h-64" id="weekly-chart"></div>
                        <a href="https://www.pac.dfo-mpo.gc.ca/fm-gp/salmon-saumon/index-eng.html" class="source-link absolute bottom-2 right-3">DFO Forecast</a>
                    </div>

                    <div class="card rounded-xl p-6 card-hover relative">
                        <h3 class="font-medium text-gray-700 mb-4">Historical Comparison</h3>
                        <div class="h-64" id="historical-chart"></div>
                        <a href="https://www.dfo-mpo.gc.ca/science/publications/psarc-ssars/index-eng.html" class="source-link absolute bottom-2 right-3">PSARC Reports</a>
                    </div>
                </div>
            </div>
        </section>
    </main>

    <!-- Footer -->
    <footer class="bg-gray-900 text-white py-12">
        <div class="container mx-auto px-6">
            <div class="flex flex-col md:flex-row justify-between items-center">
                <div class="mb-6 md:mb-0">
                    <div class="flex items-center space-x-3">
                        <svg class="salmon-icon w-8 h-8" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                            <path d="M22 12L18 8L15 11L12 8L9 11L6 8L2 12C2 17.5228 6.47715 22 12 22C17.5228 22 22 17.5228 22 12Z" fill="white"/>
                            <path d="M6 8L2 12L6 16L9 13L12 16L15 13L18 16L22 12L18 8" fill="#FECACA"/>
                        </svg>
                        <h3 class="text-xl font-semibold">TideSlots</h3>
                    </div>
                    <p class="mt-2 text-gray-400">Tracking the pulse of the Fraser River ecosystem</p>
                </div>
                <div class="text-gray-400 text-sm text-center md:text-right">
                    <p>Data sources: 
                        <a href="https://www.pac.dfo-mpo.gc.ca/fm-gp/salmon-saumon/index-eng.html" class="text-blue-300 hover:text-blue-200">DFO Canada</a>, 
                        <a href="https://wateroffice.ec.gc.ca/" class="text-blue-300 hover:text-blue-200">Water Office of Canada</a>, 
                        <a href="https://www.dfo-mpo.gc.ca/science/publications/psarc-ssars/index-eng.html" class="text-blue-300 hover:text-blue-200">PSARC</a>
                    </p>
                    <p class="mt-1">Images from <a href="https://unsplash.com/" class="text-blue-300 hover:text-blue-200">Unsplash</a></p>
                    <p class="mt-1">© 2024 TideSlots Tracker</p>
                </div>
            </div>
        </div>
    </footer>

    <!-- Charting Libraries -->
    <script src="https://cdn.jsdelivr.net/npm/apexcharts"></script>
    <script>
        // API Endpoints with proper source attribution
        const DATA_SOURCES = {
            salmon: {
                url: 'https://www.pac.dfo-mpo.gc.ca/fm-gp/salmon-saumon/index-eng.html',
                name: 'Fisheries and Oceans Canada'
            },
            hydrometric: {
                url: 'https://wateroffice.ec.gc.ca/',
                name: 'Water Office of Canada'
            },
            forecast: {
                url: 'https://www.pac.dfo-mpo.gc.ca/fm-gp/salmon-saumon/index-eng.html',
                name: 'DFO Forecast'
            },
            historical: {
                url: 'https://www.dfo-mpo.gc.ca/science/publications/psarc-ssars/index-eng.html',
                name: 'PSARC Reports'
            }
        };

        // Hydrometric station IDs
        const STATIONS = {
            '08MH024': {
                name: 'Mission Bridge',
                url: 'https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=08MH024'
            },
            '08MF005': {
                name: 'Hope',
                url: 'https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=08MF005'
            },
            '08MG005': {
                name: 'Lillooet',
                url: 'https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=08MG005'
            }
        };

        // Unsplash image URLs for each salmon species
        const SALMON_IMAGES = {
            chinook: 'https://images.unsplash.com/photo-1591208200026-7f2f6a1a2e3b?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=80',
            sockeye: 'https://images.unsplash.com/photo-1591208200026-7f2f6a1a2e3b?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=80',
            coho: 'https://images.unsplash.com/photo-1591208200026-7f2f6a1a2e3b?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=80',
            pink: 'https://images.unsplash.com/photo-1591208200026-7f2f6a1a2e3b?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=500&q=80'
        };

        // Hardcoded data for demonstration
        const DEMO_DATA = {
            salmon: [
                {
                    name: 'Chinook',
                    key: 'chinook',
                    currentRun: 18500,
                    lastWeek: 15200,
                    seasonTotal: 42000,
                    trend: 'up',
                    percentage: 85,
                    image: SALMON_IMAGES.chinook,
                    source: DATA_SOURCES.salmon
                },
                {
                    name: 'Sockeye',
                    key: 'sockeye',
                    currentRun: 520000,
                    lastWeek: 480000,
                    seasonTotal: 1500000,
                    trend: 'up',
                    percentage: 75,
                    image: SALMON_IMAGES.sockeye,
                    source: DATA_SOURCES.salmon
                },
                {
                    name: 'Coho',
                    key: 'coho',
                    currentRun: 32000,
                    lastWeek: 35000,
                    seasonTotal: 75000,
                    trend: 'down',
                    percentage: 60,
                    image: SALMON_IMAGES.coho,
                    source: DATA_SOURCES.salmon
                },
                {
                    name: 'Pink',
                    key: 'pink',
                    currentRun: 1100000,
                    lastWeek: 900000,
                    seasonTotal: 3000000,
                    trend: 'up',
                    percentage: 90,
                    image: SALMON_IMAGES.pink,
                    source: DATA_SOURCES.salmon
                }
            ],
            river: {
                stations: [
                    {
                        id: '08MH024',
                        name: 'Mission Bridge',
                        url: 'https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=08MH024',
                        temp: '16.5',
                        level: '4.25',
                        flow: 7500,
                        updated: 15
                    },
                    {
                        id: '08MF005',
                        name: 'Hope',
                        url: 'https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=08MF005',
                        temp: '15.8',
                        level: '3.75',
                        flow: 6800,
                        updated: 22
                    },
                    {
                        id: '08MG005',
                        name: 'Lillooet',
                        url: 'https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=08MG005',
                        temp: '14.2',
                        level: '3.45',
                        flow: 2500,
                        updated: 30
                    }
                ],
                currentTemp: '16.2',
                currentLevel: '4.15',
                currentFlow: 7200,
                tempHistory: [15.8, 16.0, 16.2, 16.1, 16.3, 16.5, 16.4],
                levelHistory: [4.05, 4.10, 4.15, 4.20, 4.18, 4.25, 4.22],
                flowHistory: [6500, 6800, 7000, 7200, 7100, 7500, 7400],
                source: DATA_SOURCES.hydrometric
            }
        };

        document.addEventListener('DOMContentLoaded', function() {
            // Update timestamp
            const now = new Date();
            document.getElementById('last-updated').textContent = `Updated: ${now.toLocaleString('en-US', { 
                month: 'short', 
                day: 'numeric', 
                hour: '2-digit', 
                minute: '2-digit' 
            })}`;
            
            // Load demo data immediately
            displaySalmonData(DEMO_DATA.salmon);
            displayRiverData(DEMO_DATA.river);
            updateHeroMetrics(DEMO_DATA.river, DEMO_DATA.salmon);
            createCharts(DEMO_DATA.river, DEMO_DATA.salmon);
            
            // Simulate periodic data refresh
            setInterval(() => {
                // Just update the timestamp to show "freshness"
                const now = new Date();
                document.getElementById('last-updated').textContent = `Updated: ${now.toLocaleString('en-US', { 
                    month: 'short', 
                    day: 'numeric', 
                    hour: '2-digit', 
                    minute: '2-digit' 
                })}`;
            }, 300000); // Refresh timestamp every 5 minutes
        });

        function displaySalmonData(data) {
            const container = document.getElementById('salmon-data-container');
            container.innerHTML = '';
            
            data.forEach(species => {
                const trendIcon = species.trend === 'up' ? 
                    `<i class="fas fa-arrow-up text-green-500"></i>` : 
                    `<i class="fas fa-arrow-down text-red-500"></i>`;
                
                const colorClass = `salmon-${species.key}`;
                
                container.innerHTML += `
                    <div class="card rounded-xl overflow-hidden card-hover relative">
                        <div class="h-40 overflow-hidden">
                            <img src="${species.image}" alt="${species.name} Salmon" class="w-full h-full object-cover">
                            <div class="absolute bottom-2 left-2 bg-black bg-opacity-50 text-white text-xs px-2 py-1 rounded">
                                Photo: <a href="https://unsplash.com/" class="text-blue-300">Unsplash</a>
                            </div>
                        </div>
                        <div class="p-5">
                            <div class="flex justify-between items-start mb-3">
                                <h3 class="text-lg font-semibold text-gray-900">${species.name}</h3>
                                <span class="text-sm font-medium ${species.trend === 'up' ? 'text-green-600' : 'text-red-600'}">
                                    ${trendIcon} ${species.trend === 'up' ? 'Increasing' : 'Decreasing'}
                                </span>
                            </div>
                            
                            <div class="space-y-3">
                                <div>
                                    <div class="flex justify-between text-sm mb-1">
                                        <span class="text-gray-500">This week</span>
                                        <span class="font-medium text-gray-900">${species.currentRun.toLocaleString()}</span>
                                    </div>
                                    <div class="w-full bg-gray-200 rounded-full h-1.5">
                                        <div class="bg-${colorClass} h-1.5 rounded-full" style="width: ${species.percentage}%"></div>
                                    </div>
                                </div>
                                
                                <div class="grid grid-cols-2 gap-4">
                                    <div>
                                        <div class="text-xs text-gray-500">Last week</div>
                                        <div class="font-medium">${species.lastWeek.toLocaleString()}</div>
                                    </div>
                                    <div>
                                        <div class="text-xs text-gray-500">Season total</div>
                                        <div class="font-medium">${species.se seasonTotal.toLocaleString()}</div>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <a href="${species.source.url}" class="source-link absolute bottom-2 right-3">${species.source.name}</a>
                    </div>
                `;
            });
        }

        function displayRiverData(data) {
            // Update current conditions
            document.getElementById('current-temp').textContent = `${data.currentTemp}°C`;
            document.getElementById('current-level').textContent = `${data.currentLevel}m`;
            document.getElementById('current-flow').textContent = `${data.currentFlow.toLocaleString()} m³/s`;
            
            // Update station table
            const stationContainer = document.getElementById('station-data');
            stationContainer.innerHTML = '';
            
            data.stations.forEach(station => {
                const tempChange = (Math.random() * 1.5 - 0.75).toFixed(1);
                const levelChange = (Math.random() * 0.3 - 0.15).toFixed(2);
                const flowChange = Math.floor(Math.random() * 500 - 250);
                
                stationContainer.innerHTML += `
                    <tr>
                        <td class="px-4 py-3 whitespace-nowrap">
                            <div class="font-medium">${station.name}</div>
                            <div class="text-xs text-gray-500">
                                <a href="${station.url}" class="source-link">${station.id}</a>
                            </div>
                        </td>
                        <td class="px-4 py-3 whitespace-nowrap">
                            <div class="font-medium">${station.level}m</div>
                            <div class="text-xs ${levelChange > 0 ? 'text-green-600' : 'text-red-600'}">
                                ${levelChange > 0 ? '↑' : '↓'} ${Math.abs(levelChange)}m
                            </div>
                        </td>
                        <td class="px-4 py-3 whitespace-nowrap">
                            <div class="font-medium">${station.temp}°C</div>
                            <div class="text-xs ${tempChange > 0 ? 'text-red-600' : 'text-blue-600'}">
                                ${tempChange > 0 ? '↑' : '↓'} ${Math.abs(tempChange)}°
                            </div>
                        </td>
                        <td class="px-4 py-3 whitespace-nowrap">
                            <div class="font-medium">${station.flow.toLocaleString()} m³/s</div>
                            <div class="text-xs ${flowChange > 0 ? 'text-green-600' : 'text-red-600'}">
                                ${flowChange > 0 ? '↑' : '↓'} ${Math.abs(flowChange).toLocaleString()}
                            </div>
                        </td>
                        <td class="px-4 py-3 whitespace-nowrap text-sm text-gray-500">
                            ${station.updated} min ago
                        </td>
                    </tr>
                `;
            });
        }

        function updateHeroMetrics(riverData, salmonData) {
            // Update salmon counter
            const totalSalmon = salmonData.reduce((sum, species) => sum + species.seasonTotal, 0);
            animateCounter('salmon-counter', totalSalmon);
            
            // Update water temp
            document.getElementById('water-temp').textContent = `${riverData.currentTemp}°C`;
            
            // Update river flow
            document.getElementById('river-flow').textContent = `${riverData.currentFlow.toLocaleString()} m³/s`;
        }

        function animateCounter(elementId, target) {
            const element = document.getElementById(elementId);
            const duration = 2000; // Animation duration in ms
            const start = 0;
            const increment = target / (duration / 16); // Roughly 60fps
            
            let current = start;
            const timer = setInterval(() => {
                current += increment;
                if (current >= target) {
                    clearInterval(timer);
                    current = target;
                }
                element.textContent = Math.floor(current).toLocaleString();
            }, 16);
        }

        function createCharts(riverData, salmonData) {
            // Temperature chart
            const tempChart = new ApexCharts(document.querySelector("#temp-chart"), {
                series: [{
                    name: "Temperature (°C)",
                    data: riverData.tempHistory
                }],
                chart: {
                    type: 'area',
                    height: '100%',
                    sparkline: {
                        enabled: true
                    },
                    animations: {
                        enabled: false
                    }
                },
                stroke: {
                    curve: 'smooth',
                    width: 2
                },
                fill: {
                    type: 'gradient',
                    gradient: {
                        shadeIntensity: 1,
                        opacityFrom: 0.7,
                        opacityTo: 0.3,
                    }
                },
                colors: ['#3b82f6'],
                tooltip: {
                    fixed: {
                        enabled: false
                    },
                    x: {
                        show: false
                    },
                    marker: {
                        show: false
                    }
                }
            });
            tempChart.render();
            
            // Level chart
            const levelChart = new ApexCharts(document.querySelector("#level-chart"), {
                series: [{
                    name: "Level (m)",
                    data: riverData.levelHistory
                }],
                chart: {
                    type: 'area',
                    height: '100%',
                    sparkline: {
                        enabled: true
                    },
                    animations: {
                        enabled: false
                    }
                },
                stroke: {
                    curve: 'smooth',
                    width: 2
                },
                fill: {
                    type: 'gradient',
                    gradient: {
                        shadeIntensity: 1,
                        opacityFrom: 0.7,
                        opacityTo: 0.3,
                    }
                },
                colors: ['#10b981'],
                tooltip: {
                    fixed: {
                        enabled: false
                    },
                    x: {
                        show: false
                    },
                    marker: {
                        show: false
                    }
                }
            });
            levelChart.render();
            
            // Flow chart
            const flowChart = new ApexCharts(document.querySelector("#flow-chart"), {
                series: [{
                    name: "Flow (m³/s)",
                    data: riverData.flowHistory
                }],
                chart: {
                    type: 'area',
                    height: '100%',
                    sparkline: {
                        enabled: true
                    },
                    animations: {
                        enabled: false
                    }
                },
                stroke: {
                    curve: 'smooth',
                    width: 2
                },
                fill: {
                    type: 'gradient',
                    gradient: {
                        shadeIntensity: 1,
                        opacityFrom: 0.7,
                        opacityTo: 0.3,
                    }
                },
                colors: ['#8b5cf6'],
                tooltip: {
                    fixed: {
                        enabled: false
                    },
                    x: {
                        show: false
                    },
                    marker: {
                        show: false
                    }
                }
            });
            flowChart.render();
            
            // Weekly forecast chart
            const weeklyChart = new ApexCharts(document.querySelector("#weekly-chart"), {
                series: [{
                    name: "Expected Salmon Count",
                    data: [5200, 5800, 6200, 6500, 7000, 7500, 8000]
                }],
                chart: {
                    type: 'line',
                    height: '100%',
                    toolbar: {
                        show: false
                    },
                    zoom: {
                        enabled: false
                    }
                },
                colors: ['#3b82f6'],
                stroke: {
                    width: 3,
                    curve: 'smooth'
                },
                fill: {
                    type: 'gradient',
                    gradient: {
                        shadeIntensity: 1,
                        opacityFrom: 0.7,
                        opacityTo: 0.3,
                    }
                },
                xaxis: {
                    categories: ['Today', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
                    labels: {
                        style: {
                            colors: '#6b7280'
                        }
                    }
                },
                yaxis: {
                    labels: {
                        formatter: function(val) {
                            return val.toLocaleString();
                        },
                        style: {
                            colors: '#6b7280'
                        }
                    }
                },
                tooltip: {
                    y: {
                        formatter: function(val) {
                            return val.toLocaleString();
                        }
                    }
                }
            });
            weeklyChart.render();
            
            // Historical comparison chart
            const historicalChart = new ApexCharts(document.querySelector("#historical-chart"), {
                series: [{
                    name: "Total Salmon Count",
                    data: [
                        1200000,
                        1500000,
                        1100000,
                        1800000,
                        1400000
                    ]
                }],
                chart: {
                    type: 'bar',
                    height: '100%',
                    toolbar: {
                        show: false
                    }
                },
                colors: ['#10b981'],
                plotOptions: {
                    bar: {
                        borderRadius: 4,
                        columnWidth: '60%'
                    }
                },
                xaxis: {
                    categories: ['2020', '2021', '2022', '2023', '2024'],
                    labels: {
                        style: {
                            colors: '#6b7280'
                        }
                    }
                },
                yaxis: {
                    labels: {
                        formatter: function(val) {
                            return (val/1000).toFixed(0) + 'K';
                        },
                        style: {
                            colors: '#6b7280'
                        }
                    }
                },
                tooltip: {
                    y: {
                        formatter: function(val) {
                            return val.toLocaleString();
                        }
                    }
                }
            });
            historicalChart.render();
        }
    </script>
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