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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>Golf Stat Tracker</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        .fade-enter-active, .fade-leave-active {
            transition: opacity 0.3s;
        }
        .fade-enter, .fade-leave-to {
            opacity: 0;
        }
        .slide-enter-active, .slide-leave-active {
            transition: transform 0.3s;
        }
        .slide-enter, .slide-leave-to {
            transform: translateX(100%);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .hole-input:checked + label {
            background-color: #10b981;
            color: white;
        }
    </style>
</head>
<body class="bg-gray-50 min-h-screen">
    <div class="container mx-auto px-4 py-8 max-w-6xl">
        <!-- Header -->
        <header class="mb-8">
            <div class="flex justify-between items-center">
                <h1 class="text-3xl font-bold text-green-800 flex items-center">
                    <i class="fas fa-golf-ball mr-3"></i> Golf Stat Tracker
                </h1>
                <button id="newRoundBtn" class="bg-green-600 hover:bg-green-700 text-white px-4 py-2 rounded-lg flex items-center">
                    <i class="fas fa-plus mr-2"></i> New Round
                </button>
            </div>
            <p class="text-gray-600 mt-2">Track your golf performance and improve your game</p>
        </header>

        <!-- Main Content Area -->
        <main>
            <!-- Dashboard View (default) -->
            <div id="dashboardView" class="space-y-8">
                <!-- Stats Summary -->
                <section class="bg-white rounded-xl shadow-md p-6">
                    <h2 class="text-xl font-semibold text-gray-800 mb-4">Your Performance Summary</h2>
                    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
                        <div class="stat-card bg-white border border-gray-200 rounded-lg p-4 transition-all duration-300">
                            <div class="flex justify-between items-start">
                                <div>
                                    <p class="text-gray-500 text-sm">Bad Tee Shots</p>
                                    <h3 class="text-2xl font-bold text-gray-800" id="badTeeShotsStat">0%</h3>
                                </div>
                                <div class="bg-red-100 p-2 rounded-full">
                                    <i class="fas fa-times text-red-500"></i>
                                </div>
                            </div>
                            <p class="text-xs text-gray-500 mt-2">Last 5 rounds</p>
                        </div>
                        <div class="stat-card bg-white border border-gray-200 rounded-lg p-4 transition-all duration-300">
                            <div class="flex justify-between items-start">
                                <div>
                                    <p class="text-gray-500 text-sm">Green Saves</p>
                                    <h3 class="text-2xl font-bold text-gray-800" id="greenSavesStat">0%</h3>
                                </div>
                                <div class="bg-green-100 p-2 rounded-full">
                                    <i class="fas fa-check text-green-500"></i>
                                </div>
                            </div>
                            <p class="text-xs text-gray-500 mt-2">When missed GIR</p>
                        </div>
                        <div class="stat-card bg-white border border-gray-200 rounded-lg p-4 transition-all duration-300">
                            <div class="flex justify-between items-start">
                                <div>
                                    <p class="text-gray-500 text-sm">Penalties</p>
                                    <h3 class="text-2xl font-bold text-gray-800" id="penaltiesStat">0.0</h3>
                                </div>
                                <div class="bg-yellow-100 p-2 rounded-full">
                                    <i class="fas fa-exclamation text-yellow-500"></i>
                                </div>
                            </div>
                            <p class="text-xs text-gray-500 mt-2">Per round average</p>
                        </div>
                        <div class="stat-card bg-white border border-gray-200 rounded-lg p-4 transition-all duration-300">
                            <div class="flex justify-between items-start">
                                <div>
                                    <p class="text-gray-500 text-sm">3-Putts</p>
                                    <h3 class="text-2xl font-bold text-gray-800" id="threePuttsStat">0.0</h3>
                                </div>
                                <div class="bg-blue-100 p-2 rounded-full">
                                    <i class="fas fa-flag text-blue-500"></i>
                                </div>
                            </div>
                            <p class="text-xs text-gray-500 mt-2">When GIR achieved</p>
                        </div>
                    </div>
                </section>

                <!-- Trend Chart -->
                <section class="bg-white rounded-xl shadow-md p-6">
                    <div class="flex justify-between items-center mb-4">
                        <h2 class="text-xl font-semibold text-gray-800">Performance Trends</h2>
                        <div class="flex space-x-2">
                            <select id="trendStatSelect" class="border border-gray-300 rounded-md px-3 py-1 text-sm">
                                <option value="badTeeShots">Bad Tee Shots %</option>
                                <option value="greenSaves">Green Saves %</option>
                                <option value="penalties">Penalties per Round</option>
                                <option value="threePutts">3-Putts per Round</option>
                            </select>
                            <select id="trendTimeSelect" class="border border-gray-300 rounded-md px-3 py-1 text-sm">
                                <option value="5">Last 5 Rounds</option>
                                <option value="10">Last 10 Rounds</option>
                                <option value="all">All Rounds</option>
                            </select>
                        </div>
                    </div>
                    <div class="h-64">
                        <canvas id="trendChart"></canvas>
                    </div>
                </section>

                <!-- Recent Rounds -->
                <section class="bg-white rounded-xl shadow-md p-6">
                    <h2 class="text-xl font-semibold text-gray-800 mb-4">Recent Rounds</h2>
                    <div class="overflow-x-auto">
                        <table class="min-w-full divide-y divide-gray-200">
                            <thead class="bg-gray-50">
                                <tr>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Date</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Course</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Score</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Bad Tee Shots</th>
                                    <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Actions</th>
                                </tr>
                            </thead>
                            <tbody id="roundsTableBody" class="bg-white divide-y divide-gray-200">
                                <!-- Rounds will be inserted here by JavaScript -->
                            </tbody>
                        </table>
                    </div>
                    <p id="noRoundsMessage" class="text-gray-500 text-center py-4">No rounds recorded yet. Add your first round to get started!</p>
                </section>
            </div>

            <!-- New Round View (hidden by default) -->
            <div id="newRoundView" class="hidden">
                <div class="flex justify-between items-center mb-6">
                    <h2 class="text-2xl font-bold text-gray-800 flex items-center">
                        <button id="backToDashboard" class="mr-4 text-gray-500 hover:text-gray-700">
                            <i class="fas fa-arrow-left"></i>
                        </button>
                        <span>New Round</span>
                    </h2>
                    <button id="saveRoundBtn" class="bg-green-600 hover:bg-green-700 text-white px-4 py-2 rounded-lg flex items-center">
                        <i class="fas fa-save mr-2"></i> Save Round
                    </button>
                </div>

                <div class="bg-white rounded-xl shadow-md p-6 mb-6">
                    <h3 class="text-lg font-semibold text-gray-800 mb-4">Round Information</h3>
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                        <div>
                            <label for="courseName" class="block text-sm font-medium text-gray-700 mb-1">Course Name</label>
                            <input type="text" id="courseName" class="w-full border border-gray-300 rounded-md px-3 py-2 focus:outline-none focus:ring-2 focus:ring-green-500">
                        </div>
                        <div>
                            <label for="roundDate" class="block text-sm font-medium text-gray-700 mb-1">Date Played</label>
                            <input type="date" id="roundDate" class="w-full border border-gray-300 rounded-md px-3 py-2 focus:outline-none focus:ring-2 focus:ring-green-500">
                        </div>
                    </div>
                </div>

                <div class="bg-white rounded-xl shadow-md p-6">
                    <div class="flex justify-between items-center mb-4">
                        <h3 class="text-lg font-semibold text-gray-800">Hole-by-Hole Stats</h3>
                        <div class="flex space-x-2">
                            <button id="prevHole" class="bg-gray-200 hover:bg-gray-300 text-gray-800 px-3 py-1 rounded-md">
                                <i class="fas fa-chevron-left"></i>
                            </button>
                            <span id="currentHoleDisplay" class="px-3 py-1 font-medium">Hole 1</span>
                            <button id="nextHole" class="bg-gray-200 hover:bg-gray-300 text-gray-800 px-3 py-1 rounded-md">
                                <i class="fas fa-chevron-right"></i>
                            </button>
                        </div>
                    </div>

                    <div id="holeStatsContainer">
                        <!-- Hole stats will be dynamically generated for each hole -->
                    </div>
                </div>
            </div>

            <!-- Round Detail View (hidden by default) -->
            <div id="roundDetailView" class="hidden">
                <div class="flex justify-between items-center mb-6">
                    <h2 class="text-2xl font-bold text-gray-800 flex items-center">
                        <button id="backToDashboardFromDetail" class="mr-4 text-gray-500 hover:text-gray-700">
                            <i class="fas fa-arrow-left"></i>
                        </button>
                        <span id="detailRoundTitle">Round Details</span>
                    </h2>
                    <button id="deleteRoundBtn" class="bg-red-600 hover:bg-red-700 text-white px-4 py-2 rounded-lg flex items-center">
                        <i class="fas fa-trash mr-2"></i> Delete Round
                    </button>
                </div>

                <div class="bg-white rounded-xl shadow-md p-6 mb-6">
                    <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mb-4">
                        <div>
                            <p class="text-sm text-gray-500">Course</p>
                            <p id="detailCourseName" class="font-medium">-</p>
                        </div>
                        <div>
                            <p class="text-sm text-gray-500">Date</p>
                            <p id="detailRoundDate" class="font-medium">-</p>
                        </div>
                        <div>
                            <p class="text-sm text-gray-500">Total Score</p>
                            <p id="detailTotalScore" class="font-medium">-</p>
                        </div>
                    </div>

                    <div class="overflow-x-auto">
                        <table class="min-w-full divide-y divide-gray-200">
                            <thead class="bg-gray-50">
                                <tr>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Hole</th>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Bad Tee Shot</th>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Penalties</th>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Missed GIR</th>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Green Save</th>
                                    <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">3-Putt</th>
                                </tr>
                            </thead>
                            <tbody id="roundDetailTableBody" class="bg-white divide-y divide-gray-200">
                                <!-- Round details will be inserted here by JavaScript -->
                            </tbody>
                        </table>
                    </div>
                </div>

                <div class="bg-white rounded-xl shadow-md p-6">
                    <h3 class="text-lg font-semibold text-gray-800 mb-4">Round Summary</h3>
                    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
                        <div class="bg-green-50 p-4 rounded-lg">
                            <p class="text-sm text-green-800">Bad Tee Shots</p>
                            <p id="detailBadTeeShots" class="text-2xl font-bold text-green-800">0%</p>
                        </div>
                        <div class="bg-blue-50 p-4 rounded-lg">
                            <p class="text-sm text-blue-800">Green Saves</p>
                            <p id="detailGreenSaves" class="text-2xl font-bold text-blue-800">0%</p>
                        </div>
                        <div class="bg-yellow-50 p-4 rounded-lg">
                            <p class="text-sm text-yellow-800">Total Penalties</p>
                            <p id="detailTotalPenalties" class="text-2xl font-bold text-yellow-800">0</p>
                        </div>
                        <div class="bg-red-50 p-4 rounded-lg">
                            <p class="text-sm text-red-800">3-Putts</p>
                            <p id="detailThreePutts" class="text-2xl font-bold text-red-800">0</p>
                        </div>
                    </div>
                </div>
            </div>
        </main>

        <!-- Footer -->
        <footer class="mt-12 text-center text-gray-500 text-sm">
            <p>Golf Stat Tracker &copy; 2023 | Track your game, improve your scores</p>
        </footer>
    </div>

    <script>
        // Data storage
        let rounds = JSON.parse(localStorage.getItem('golfRounds')) || [];
        let currentRound = {
            courseName: '',
            date: '',
            holes: Array(18).fill().map(() => ({
                badTeeShot: false,
                badTeeShotClub: '',
                badTeeShotDirection: '',
                penaltyStrokes: 0,
                missedGreen: false,
                missedGreenDistance: '',
                missedGreenClub: '',
                greenSave: false,
                threePutt: false,
                score: 0
            }))
        };
        let currentHoleIndex = 0;
        let currentDetailRoundId = null;
        let trendChart = null;

        // DOM Elements
        const dashboardView = document.getElementById('dashboardView');
        const newRoundView = document.getElementById('newRoundView');
        const roundDetailView = document.getElementById('roundDetailView');
        const holeStatsContainer = document.getElementById('holeStatsContainer');
        const roundsTableBody = document.getElementById('roundsTableBody');
        const noRoundsMessage = document.getElementById('noRoundsMessage');
        const currentHoleDisplay = document.getElementById('currentHoleDisplay');
        const trendStatSelect = document.getElementById('trendStatSelect');
        const trendTimeSelect = document.getElementById('trendTimeSelect');
        const trendChartCanvas = document.getElementById('trendChart');

        // Initialize the app
        document.addEventListener('DOMContentLoaded', () => {
            // Set today's date as default
            document.getElementById('roundDate').valueAsDate = new Date();
            
            // Generate hole inputs
            generateHoleInputs();
            
            // Load rounds table
            updateRoundsTable();
            
            // Update stats
            updateDashboardStats();
            
            // Initialize trend chart
            updateTrendChart();
            
            // Event listeners
            setupEventListeners();
        });

        function setupEventListeners() {
            // Navigation buttons
            document.getElementById('newRoundBtn').addEventListener('click', showNewRoundView);
            document.getElementById('backToDashboard').addEventListener('click', showDashboardView);
            document.getElementById('backToDashboardFromDetail').addEventListener('click', showDashboardView);
            document.getElementById('saveRoundBtn').addEventListener('click', saveRound);
            document.getElementById('deleteRoundBtn').addEventListener('click', deleteRound);
            
            // Hole navigation
            document.getElementById('prevHole').addEventListener('click', () => navigateHole(-1));
            document.getElementById('nextHole').addEventListener('click', () => navigateHole(1));
            
            // Trend chart controls
            trendStatSelect.addEventListener('change', updateTrendChart);
            trendTimeSelect.addEventListener('change', updateTrendChart);
        }

        function generateHoleInputs() {
            holeStatsContainer.innerHTML = '';
            
            for (let i = 0; i < 18; i++) {
                const holeDiv = document.createElement('div');
                holeDiv.className = `hole-input-section ${i === 0 ? '' : 'hidden'}`;
                holeDiv.dataset.holeNumber = i + 1;
                
                holeDiv.innerHTML = `
                    <h4 class="text-md font-medium text-gray-700 mb-4">Hole ${i + 1}</h4>
                    
                    <div class="space-y-4">
                        <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                            <div>
                                <label class="flex items-center space-x-3">
                                    <input type="checkbox" id="badTeeShot-${i}" class="form-checkbox h-5 w-5 text-green-600" 
                                           data-hole="${i}" onchange="toggleBadTeeShot(this)">
                                    <span class="text-gray-700">Bad Tee Shot?</span>
                                </label>
                                <div id="badTeeShotDetails-${i}" class="mt-2 ml-8 space-y-2 hidden">
                                    <div>
                                        <label for="badTeeShotClub-${i}" class="block text-sm text-gray-600 mb-1">Club Used</label>
                                        <input type="text" id="badTeeShotClub-${i}" class="w-full border border-gray-300 rounded-md px-3 py-2 text-sm" 
                                               data-hole="${i}" placeholder="e.g., Driver, 3-wood">
                                    </div>
                                    <div>
                                        <label class="block text-sm text-gray-600 mb-1">Direction</label>
                                        <div class="flex space-x-4">
                                            <label class="flex items-center space-x-2">
                                                <input type="radio" name="badTeeShotDirection-${i}" value="left" class="form-radio h-4 w-4 text-green-600" data-hole="${i}">
                                                <span class="text-gray-700">Left</span>
                                            </label>
                                            <label class="flex items-center space-x-2">
                                                <input type="radio" name="badTeeShotDirection-${i}" value="right" class="form-radio h-4 w-4 text-green-600" data-hole="${i}">
                                                <span class="text-gray-700">Right</span>
                                            </label>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            
                            <div>
                                <label for="penaltyStrokes-${i}" class="block text-sm text-gray-600 mb-1">Penalty Strokes</label>
                                <input type="number" id="penaltyStrokes-${i}" min="0" max="5" value="0" 
                                       class="w-full border border-gray-300 rounded-md px-3 py-2 text-sm" data-hole="${i}">
                            </div>
                        </div>
                        
                        <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                            <div>
                                <label class="flex items-center space-x-3">
                                    <input type="checkbox" id="missedGreen-${i}" class="form-checkbox h-5 w-5 text-green-600" 
                                           data-hole="${i}" onchange="toggleMissedGreen(this)">
                                    <span class="text-gray-700">Missed Green from Inside 120m?</span>
                                </label>
                                <div id="missedGreenDetails-${i}" class="mt-2 ml-8 space-y-2 hidden">
                                    <div>
                                        <label for="missedGreenDistance-${i}" class="block text-sm text-gray-600 mb-1">Distance (m)</label>
                                        <input type="number" id="missedGreenDistance-${i}" min="1" max="120" 
                                               class="w-full border border-gray-300 rounded-md px-3 py-2 text-sm" data-hole="${i}" placeholder="e.g., 75">
                                    </div>
                                    <div>
                                        <label for="missedGreenClub-${i}" class="block text-sm text-gray-600 mb-1">Club Used</label>
                                        <input type="text" id="missedGreenClub-${i}" 
                                               class="w-full border border-gray-300 rounded-md px-3 py-2 text-sm" data-hole="${i}" placeholder="e.g., PW, 9-iron">
                                    </div>
                                </div>
                            </div>
                            
                            <div id="greenSaveContainer-${i}">
                                <label class="flex items-center space-x-3">
                                    <input type="checkbox" id="greenSave-${i}" class="form-checkbox h-5 w-5 text-green-600" 
                                           data-hole="${i}" disabled>
                                    <span class="text-gray-700">Green Save?</span>
                                </label>
                            </div>
                        </div>
                        
                        <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                            <div id="threePuttContainer-${i}">
                                <label class="flex items-center space-x-3">
                                    <input type="checkbox" id="threePutt-${i}" class="form-checkbox h-5 w-5 text-green-600" 
                                           data-hole="${i}" disabled>
                                    <span class="text-gray-700">3-Putt?</span>
                                </label>
                            </div>
                            
                            <div>
                                <label for="score-${i}" class="block text-sm text-gray-600 mb-1">Score for Hole</label>
                                <input type="number" id="score-${i}" min="1" max="10" value="4" 
                                       class="w-full border border-gray-300 rounded-md px-3 py-2 text-sm" data-hole="${i}">
                            </div>
                        </div>
                    </div>
                `;
                
                holeStatsContainer.appendChild(holeDiv);
            }
        }

        function toggleBadTeeShot(checkbox) {
            const holeIndex = parseInt(checkbox.dataset.hole);
            currentRound.holes[holeIndex].badTeeShot = checkbox.checked;
            
            const detailsDiv = document.getElementById(`badTeeShotDetails-${holeIndex}`);
            if (checkbox.checked) {
                detailsDiv.classList.remove('hidden');
            } else {
                detailsDiv.classList.add('hidden');
                document.getElementById(`badTeeShotClub-${holeIndex}`).value = '';
                document.querySelector(`input[name="badTeeShotDirection-${holeIndex}"]:checked`)?.checked = false;
                currentRound.holes[holeIndex].badTeeShotClub = '';
                currentRound.holes[holeIndex].badTeeShotDirection = '';
            }
        }

        function toggleMissedGreen(checkbox) {
            const holeIndex = parseInt(checkbox.dataset.hole);
            currentRound.holes[holeIndex].missedGreen = checkbox.checked;
            
            const detailsDiv = document.getElementById(`missedGreenDetails-${holeIndex}`);
            const greenSaveCheckbox = document.getElementById(`greenSave-${holeIndex}`);
            const threePuttCheckbox = document.getElementById(`threePutt-${holeIndex}`);
            
            if (checkbox.checked) {
                detailsDiv.classList.remove('hidden');
                greenSaveCheckbox.disabled = false;
                threePuttCheckbox.disabled = true;
                threePuttCheckbox.checked = false;
                currentRound.holes[holeIndex].threePutt = false;
            } else {
                detailsDiv.classList.add('hidden');
                greenSaveCheckbox.disabled = true;
                greenSaveCheckbox.checked = false;
                threePuttCheckbox.disabled = false;
                document.getElementById(`missedGreenDistance-${holeIndex}`).value = '';
                document.getElementById(`missedGreenClub-${holeIndex}`).value = '';
                currentRound.holes[holeIndex].missedGreenDistance = '';
                currentRound.holes[holeIndex].missedGreenClub = '';
                currentRound.holes[holeIndex].greenSave = false;
            }
        }

        function navigateHole(direction) {
            const holeSections = document.querySelectorAll('.hole-input-section');
            holeSections[currentHoleIndex].classList.add('hidden');
            
            currentHoleIndex = (currentHoleIndex + direction + 18) % 18;
            currentHoleDisplay.textContent = `Hole ${currentHoleIndex + 1}`;
            
            holeSections[currentHoleIndex].classList.remove('hidden');
        }

        function showNewRoundView() {
            // Reset current round
            currentRound = {
                courseName: '',
                date: '',
                holes: Array(18).fill().map(() => ({
                    badTeeShot: false,
                    badTeeShotClub: '',
                    badTeeShotDirection: '',
                    penaltyStrokes: 0,
                    missedGreen: false,
                    missedGreenDistance: '',
                    missedGreenClub: '',
                    greenSave: false,
                    threePutt: false,
                    score: 4
                }))
            };
            
            // Reset form
            document.getElementById('courseName').value = '';
            document.getElementById('roundDate').valueAsDate = new Date();
            
            // Reset all hole inputs
            for (let i = 0; i < 18; i++) {
                document.getElementById(`badTeeShot-${i}`).checked = false;
                document.getElementById(`badTeeShotClub-${i}`).value = '';
                document.querySelector(`input[name="badTeeShotDirection-${i}"]:checked`)?.checked = false;
                document.getElementById(`penaltyStrokes-${i}`).value = 0;
                document.getElementById(`missedGreen-${i}`).checked = false;
                document.getElementById(`missedGreenDistance-${i}`).value = '';
                document.getElementById(`missedGreenClub-${i}`).value = '';
                document.getElementById(`greenSave-${i}`).checked = false;
                document.getElementById(`threePutt-${i}`).checked = false;
                document.getElementById(`score-${i}`).value = 4;
                
                document.getElementById(`badTeeShotDetails-${i}`).classList.add('hidden');
                document.getElementById(`missedGreenDetails-${i}`).classList.add('hidden');
                document.getElementById(`greenSave-${i}`).disabled = true;
                document.getElementById(`threePutt-${i}`).disabled = true;
            }
            
            // Show first hole
            currentHoleIndex = 0;
            currentHoleDisplay.textContent = 'Hole 1';
            document.querySelector('.hole-input-section').classList.remove('hidden');
            
            // Switch views
            dashboardView.classList.add('hidden');
            roundDetailView.classList.add('hidden');
            newRoundView.classList.remove('hidden');
        }

        function showDashboardView() {
            dashboardView.classList.remove('hidden');
            newRoundView.classList.add('hidden');
            roundDetailView.classList.add('hidden');
            
            // Update the table and stats
            updateRoundsTable();
            updateDashboardStats();
            updateTrendChart();
        }

        function showRoundDetailView(roundId) {
            const round = rounds.find(r => r.id === roundId);
            if (!round) return;
            
            currentDetailRoundId = roundId;
            
            // Set round info
            document.getElementById('detailRoundTitle').textContent = `${round.courseName} - ${formatDate(round.date)}`;
            document.getElementById('detailCourseName').textContent = round.courseName;
            document.getElementById('detailRoundDate').textContent = formatDate(round.date);
            
            // Calculate total score
            const totalScore = round.holes.reduce((sum, hole) => sum + hole.score, 0);
            document.getElementById('detailTotalScore').textContent = totalScore;
            
            // Populate hole details table
            const tableBody = document.getElementById('roundDetailTableBody');
            tableBody.innerHTML = '';
            
            round.holes.forEach((hole, index) => {
                const row = document.createElement('tr');
                row.innerHTML = `
                    <td class="px-4 py-2 whitespace-nowrap text-sm font-medium text-gray-900">${index + 1}</td>
                    <td class="px-4 py-2 whitespace-nowrap text-sm text-gray-500">
                        ${hole.badTeeShot ? 
                          `${hole.badTeeShotClub} (${hole.badTeeShotDirection})` : 
                          '<span class="text-gray-400">No</span>'}
                    </td>
                    <td class="px-4 py-2 whitespace-nowrap text-sm text-gray-500">${hole.penaltyStrokes}</td>
                    <td class="px-4 py-2 whitespace-nowrap text-sm text-gray-500">
                        ${hole.missedGreen ? 
                          `${hole.missedGreenDistance}m (${hole.missedGreenClub})` : 
                          '<span class="text-gray-400">No</span>'}
                    </td>
                    <td class="px-4 py-2 whitespace-nowrap text-sm text-gray-500">
                        ${hole.missedGreen ? 
                          (hole.greenSave ? '<span class="text-green-600">Yes</span>' : '<span class="text-red-600">No</span>') : 
                          '<span class="text-gray-400">-</span>'}
                    </td>
                    <td class="px-4 py-2 whitespace-nowrap text-sm text-gray-500">
                        ${!hole.missedGreen ? 
                          (hole.threePutt ? '<span class="text-red-600">Yes</span>' : '<span class="text-green-600">No</span>') : 
                          '<span class="text-gray-400">-</span>'}
                    </td>
                `;
                tableBody.appendChild(row);
            });
            
            // Calculate and display stats
            const badTeeShots = round.holes.filter(h => h.badTeeShot).length;
            const missedGreens = round.holes.filter(h => h.missedGreen).length;
            const greenSaves = round.holes.filter(h => h.missedGreen && h.greenSave).length;
            const threePutts = round.holes.filter(h => !h.missedGreen && h.threePutt).length;
            const totalPenalties = round.holes.reduce((sum, hole) => sum + hole.penaltyStrokes, 0);
            
            document.getElementById('detailBadTeeShots').textContent = `${Math.round((badTeeShots / 18) * 100)}%`;
            document.getElementById('detailGreenSaves').textContent = missedGreens > 0 ? 
                `${Math.round((greenSaves / missedGreens) * 100)}%` : '0%';
            document.getElementById('detailTotalPenalties').textContent = totalPenalties;
            document.getElementById('detailThreePutts').textContent = threePutts;
            
            // Switch views
            dashboardView.classList.add('hidden');
            newRoundView.classList.add('hidden');
            roundDetailView.classList.remove('hidden');
        }

        function saveRound() {
            // Get round info
            const courseName = document.getElementById('courseName').value.trim();
            const date = document.getElementById('roundDate').value;
            
            if (!courseName) {
                alert('Please enter a course name');
                return;
            }
            
            if (!date) {
                alert('Please select a date');
                return;
            }
            
            // Update current round with form data
            currentRound.courseName = courseName;
            currentRound.date = date;
            
            // Get all hole data
            for (let i = 0; i < 18; i++) {
                currentRound.holes[i].badTeeShot = document.getElementById(`badTeeShot-${i}`).checked;
                currentRound.holes[i].badTeeShotClub = document.getElementById(`badTeeShotClub-${i}`).value;
                currentRound.holes[i].badTeeShotDirection = document.querySelector(`input[name="badTeeShotDirection-${i}"]:checked`)?.value || '';
                currentRound.holes[i].penaltyStrokes = parseInt(document.getElementById(`penaltyStrokes-${i}`).value) || 0;
                currentRound.holes[i].missedGreen = document.getElementById(`missedGreen-${i}`).checked;
                currentRound.holes[i].missedGreenDistance = document.getElementById(`missedGreenDistance-${i}`).value;
                currentRound.holes[i].missedGreenClub = document.getElementById(`missedGreenClub-${i}`).value;
                currentRound.holes[i].greenSave = document.getElementById(`greenSave-${i}`).checked;
                currentRound.holes[i].threePutt = document.getElementById(`threePutt-${i}`).checked;
                currentRound.holes[i].score = parseInt(document.getElementById(`score-${i}`).value) || 4;
            }
            
            // Add ID and save to storage
            currentRound.id = Date.now().toString();
            rounds.push(currentRound);
            localStorage.setItem('golfRounds', JSON.stringify(rounds));
            
            // Show dashboard
            showDashboardView();
        }

        function deleteRound() {
            if (!currentDetailRoundId) return;
            
            if (confirm('Are you sure you want to delete this round?')) {
                rounds = rounds.filter(r => r.id !== currentDetailRoundId);
                localStorage.setItem('golfRounds', JSON.stringify(rounds));
                showDashboardView();
            }
        }

        function updateRoundsTable() {
            if (rounds.length === 0) {
                noRoundsMessage.classList.remove('hidden');
                roundsTableBody.innerHTML = '';
                return;
            }
            
            noRoundsMessage.classList.add('hidden');
            
            // Sort rounds by date (newest first)
            const sortedRounds = [...rounds].sort((a, b) => new Date(b.date) - new Date(a.date));
            
            // Clear table
            roundsTableBody.innerHTML = '';
            
            // Add rows
            sortedRounds.forEach(round => {
                const totalScore = round.holes.reduce((sum, hole) => sum + hole.score, 0);
                const badTeeShots = round.holes.filter(h => h.badTeeShot).length;
                
                const row = document.createElement('tr');
                row.className = 'hover:bg-gray-50';
                row.innerHTML = `
                    <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">${formatDate(round.date)}</td>
                    <td class="px-6 py-4 whitespace-nowrap text-sm font-medium text-gray-900">${round.courseName}</td>
                    <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">${totalScore}</td>
                    <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">${badTeeShots} (${Math.round((badTeeShots / 18) * 100)}%)</td>
                    <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
                        <button onclick="showRoundDetailView('${round.id}')" class="text-green-600 hover:text-green-900 mr-3">
                            <i class="fas fa-eye"></i> View
                        </button>
                    </td>
                `;
                roundsTableBody.appendChild(row);
            });
        }

        function updateDashboardStats() {
            if (rounds.length === 0) {
                document.getElementById('badTeeShotsStat').textContent = '0%';
                document.getElementById('greenSavesStat').textContent = '0%';
                document.getElementById('penaltiesStat').textContent = '0.0';
                document.getElementById('threePuttsStat').textContent = '0.0';
                return;
            }
            
            // Calculate stats from last 5 rounds
            const recentRounds = [...rounds].sort((a, b) => new Date(b.date) - new Date(a.date)).slice(0, 5);
            
            let totalBadTeeShots = 0;
            let totalHoles = 0;
            let totalMissedGreens = 0;
            let totalGreenSaves = 0;
            let totalPenalties = 0;
            let totalThreePutts = 0;
            let totalGIRHoles = 0;
            
            recentRounds.forEach(round => {
                round.holes.forEach(hole => {
                    totalHoles++;
                    if (hole.badTeeShot) totalBadTeeShots++;
                    if (hole.missedGreen) {
                        totalMissedGreens++;
                        if (hole.greenSave) totalGreenSaves++;
                    } else {
                        totalGIRHoles++;
                        if (hole.threePutt) totalThreePutts++;
                    }
                    totalPenalties += hole.penaltyStrokes;
                });
            });
            
            // Update stats
            document.getElementById('badTeeShotsStat').textContent = `${Math.round((totalBadTeeShots / totalHoles) * 100)}%`;
            document.getElementById('greenSavesStat').textContent = totalMissedGreens > 0 ? 
                `${Math.round((totalGreenSaves / totalMissedGreens) * 100)}%` : '0%';
            document.getElementById('penaltiesStat').textContent = (totalPenalties / recentRounds.length).toFixed(1);
            document.getElementById('threePuttsStat').textContent = totalGIRHoles > 0 ? 
                (totalThreePutts / recentRounds.length).toFixed(1) : '0.0';
        }

        function updateTrendChart() {
            const stat = trendStatSelect.value;
            const timeFrame = trendTimeSelect.value;
            
            // Filter rounds based on time frame
            let filteredRounds = [...rounds];
            if (timeFrame !== 'all') {
                filteredRounds = filteredRounds.slice(0, parseInt(timeFrame));
            }
            
            // Sort rounds by date (oldest first)
            filteredRounds.sort((a, b) => new Date(a.date) - new Date(b.date));
            
            // Prepare data
            const labels = filteredRounds.map(round => formatDate(round.date, true));
            const data = filteredRounds.map(round => {
                switch (stat) {
                    case 'badTeeShots':
                        const badTeeShots = round.holes.filter(h => h.badTeeShot).length;
                        return Math.round((badTeeShots / 18) * 100);
                    case 'greenSaves':
                        const missedGreens = round.holes.filter(h => h.missedGreen).length;
                        const greenSaves = round.holes.filter(h => h.missedGreen && h.greenSave).length;
                        return missedGreens > 0 ? Math.round((greenSaves / missedGreens) * 100) : 0;
                    case 'penalties':
                        return round.holes.reduce((sum, hole) => sum + hole.penaltyStrokes, 0);
                    case 'threePutts':
                        const threePutts = round.holes.filter(h => !h.missedGreen && h.threePutt).length;
                        return threePutts;
                    default:
                        return 0;
                }
            });
            
            // Chart config
            const config = {
                type: 'line',
                data: {
                    labels: labels,
                    datasets: [{
                        label: getStatLabel(stat),
                        data: data,
                        backgroundColor: getStatColor(stat, 0.2),
                        borderColor: getStatColor(stat),
                        borderWidth: 2,
                        tension: 0.3,
                        fill: true
                    }]
                },
                options: {
                    responsive: true,
                    maintainAspectRatio: false,
                    plugins: {
                        legend: {
                            display: false
                        },
                        tooltip: {
                            callbacks: {
                                label: function(context) {
                                    return `${getStatLabel(stat)}: ${context.raw}${stat === 'badTeeShots' || stat === 'greenSaves' ? '%' : ''}`;
                                }
                            }
                        }
                    },
                    scales: {
                        y: {
                            beginAtZero: true,
                            max: stat === 'badTeeShots' || stat === 'greenSaves' ? 100 : undefined,
                            ticks: {
                                callback: function(value) {
                                    return stat === 'badTeeShots' || stat === 'greenSaves' ? `${value}%` : value;
                                }
                            }
                        }
                    }
                }
            };
            
            // Destroy previous chart if exists
            if (trendChart) {
                trendChart.destroy();
            }
            
            // Create new chart
            trendChart = new Chart(trendChartCanvas, config);
        }

        function getStatLabel(stat) {
            switch (stat) {
                case 'badTeeShots': return 'Bad Tee Shots';
                case 'greenSaves': return 'Green Saves';
                case 'penalties': return 'Penalties';
                case 'threePutts': return '3-Putts';
                default: return '';
            }
        }

        function getStatColor(stat, opacity = 1) {
            switch (stat) {
                case 'badTeeShots': return `rgba(239, 68, 68, ${opacity})`;
                case 'greenSaves': return `rgba(16, 185, 129, ${opacity})`;
                case 'penalties': return `rgba(245, 158, 11, ${opacity})`;
                case 'threePutts': return `rgba(59, 130, 246, ${opacity})`;
                default: return `rgba(99, 102, 241, ${opacity})`;
            }
        }

        function formatDate(dateString, short = false) {
            const date = new Date(dateString);
            if (short) {
                return date.toLocaleDateString('en-US', { month: 'short', day: 'numeric' });
            }
            return date.toLocaleDateString('en-US', { year: 'numeric', month: 'long', day: 'numeric' });
        }

        // Make functions available globally for inline event handlers
        window.toggleBadTeeShot = toggleBadTeeShot;
        window.toggleMissedGreen = toggleMissedGreen;
        window.showRoundDetailView = showRoundDetailView;
    </script>
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