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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>CostScope - Smart Cost Calculator</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/tone/14.8.49/Tone.js"></script>
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap" rel="stylesheet">
    <style>
        body {
            font-family: 'Inter', sans-serif;
            background-color: #0f172a;
            color: #e2e8f0;
            overflow-x: hidden;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #1e293b;
        }
        ::-webkit-scrollbar-thumb {
            background: #475569;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #64748b;
        }

        /* Animations */
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        .animate-float {
            animation: float 6s ease-in-out infinite;
        }

        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 15px rgba(56, 189, 248, 0.1); }
            50% { box-shadow: 0 0 25px rgba(56, 189, 248, 0.3); }
        }
        .glow-effect {
            animation: pulse-glow 3s infinite;
        }

        .glass-panel {
            background: rgba(30, 41, 59, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* Toggle Switch */
        .toggle-checkbox:checked {
            right: 0;
            border-color: #38bdf8;
        }
        .toggle-checkbox:checked + .toggle-label {
            background-color: #38bdf8;
        }
        
        /* Range Slider Styling */
        input[type=range] {
            -webkit-appearance: none; 
            background: transparent; 
        }
        input[type=range]::-webkit-slider-thumb {
            -webkit-appearance: none;
            height: 20px;
            width: 20px;
            border-radius: 50%;
            background: #38bdf8;
            cursor: pointer;
            margin-top: -8px; 
            box-shadow: 0 0 10px rgba(56,189,248,0.5);
        }
        input[type=range]::-webkit-slider-runnable-track {
            width: 100%;
            height: 4px;
            cursor: pointer;
            background: #334155;
            border-radius: 2px;
        }

        /* Chart Bars */
        .bar-fill {
            transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
        }
    </style>
</head>
<body class="min-h-screen flex flex-col relative">

    <!-- Background Canvas for Particles -->
    <canvas id="bgCanvas" class="fixed top-0 left-0 w-full h-full -z-10"></canvas>

    <!-- Header -->
    <header class="w-full p-6 flex justify-between items-center glass-panel sticky top-0 z-50 border-b border-slate-700/50">
        <div class="flex items-center gap-3">
            <div class="w-10 h-10 rounded-lg bg-gradient-to-br from-cyan-500 to-blue-600 flex items-center justify-center shadow-lg shadow-cyan-500/20">
                <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8c-1.657 0-3 .895-3 2s1.343 2 3 2 3 .895 3 2-1.343 2-3 2m0-8c1.11 0 2.08.402 2.599 1M12 8V7m0 1v8m0 0v1m0-1c-1.11 0-2.08-.402-2.599-1M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                </svg>
            </div>
            <div>
                <h1 class="text-xl font-bold tracking-tight text-white">CostScope</h1>
                <p class="text-xs text-slate-400">Financial Transparency Tool</p>
            </div>
        </div>
        <a href="https://huggingface.co/spaces/akhaliq/anycoder" target="_blank" class="text-xs font-medium text-cyan-400 hover:text-cyan-300 transition-colors bg-cyan-950/30 px-3 py-1.5 rounded-full border border-cyan-900/50">
            Built with anycoder
        </a>
    </header>

    <!-- Main Content -->
    <main class="flex-grow container mx-auto px-4 py-12 flex flex-col lg:flex-row gap-8">
        
        <!-- Left Column: The Question & Input -->
        <div class="w-full lg:w-1/2 flex flex-col gap-6">
            
            <!-- Hero Text -->
            <div class="space-y-2 animate-float">
                <h2 class="text-4xl md:text-5xl font-bold text-transparent bg-clip-text bg-gradient-to-r from-white to-slate-400">
                    Do I have to pay for this service?
                </h2>
                <p class="text-lg text-slate-400 max-w-lg">
                    Stop guessing. Input your scenario below to analyze the true cost structure and find out if it's really "free".
                </p>
            </div>

            <!-- Interactive Form -->
            <div class="glass-panel p-8 rounded-2xl shadow-2xl border border-slate-700/50 mt-4">
                <form id="costForm" class="space-y-6" onsubmit="event.preventDefault(); analyzeCost();">
                    
                    <!-- Service Name -->
                    <div class="space-y-2">
                        <label class="text-sm font-semibold text-slate-300 uppercase tracking-wider">Service Name</label>
                        <input type="text" id="serviceName" placeholder="e.g., Netflix, Gym Membership, Adobe CC" 
                            class="w-full bg-slate-800/50 border border-slate-600 rounded-lg px-4 py-3 text-white placeholder-slate-500 focus:outline-none focus:ring-2 focus:ring-cyan-500 transition-all">
                    </div>

                    <!-- Cost Type Selection -->
                    <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
                        <label class="cursor-pointer relative">
                            <input type="radio" name="costType" value="free" class="peer sr-only" onchange="updateFormUI()">
                            <div class="p-4 rounded-xl bg-slate-800/50 border border-slate-600 hover:bg-slate-700/50 peer-checked:border-emerald-500 peer-checked:bg-emerald-900/20 transition-all text-center">
                                <div class="text-2xl mb-1">🎁</div>
                                <div class="font-bold text-slate-200">Free</div>
                                <div class="text-xs text-slate-400">$0 Upfront</div>
                            </div>
                            <div class="absolute top-2 right-2 w-3 h-3 rounded-full bg-emerald-500 opacity-0 peer-checked:opacity-100 shadow-[0_0_10px_rgba(16,185,129,0.8)]"></div>
                        </label>

                        <label class="cursor-pointer relative">
                            <input type="radio" name="costType" value="subscription" class="peer sr-only" checked onchange="updateFormUI()">
                            <div class="p-4 rounded-xl bg-slate-800/50 border border-slate-600 hover:bg-slate-700/50 peer-checked:border-cyan-500 peer-checked:bg-cyan-900/20 transition-all text-center">
                                <div class="text-2xl mb-1">🔄</div>
                                <div class="font-bold text-slate-200">Sub</div>
                                <div class="text-xs text-slate-400">Recurring Fee</div>
                            </div>
                            <div class="absolute top-2 right-2 w-3 h-3 rounded-full bg-cyan-500 opacity-0 peer-checked:opacity-100 shadow-[0_0_10px_rgba(6,182,212,0.8)]"></div>
                        </label>

                        <label class="cursor-pointer relative">
                            <input type="radio" name="costType" value="one-time" class="peer sr-only" onchange="updateFormUI()">
                            <div class="p-4 rounded-xl bg-slate-800/50 border border-slate-600 hover:bg-slate-700/50 peer-checked:border-purple-500 peer-checked:bg-purple-900/20 transition-all text-center">
                                <div class="text-2xl mb-1">💎</div>
                                <div class="font-bold text-slate-200">One-off</div>
                                <div class="text-xs text-slate-400">Single Purchase</div>
                            </div>
                            <div class="absolute top-2 right-2 w-3 h-3 rounded-full bg-purple-500 opacity-0 peer-checked:opacity-100 shadow-[0_0_10px_rgba(168,85,247,0.8)]"></div>
                        </label>
                    </div>

                    <!-- Dynamic Inputs -->
                    <div id="priceInputGroup" class="space-y-4 transition-all duration-300">
                        <div class="flex justify-between items-end">
                            <label class="text-sm font-semibold text-slate-300 uppercase tracking-wider">Price</label>
                            <span class="text-xs text-slate-500" id="priceLabel">per month</span>
                        </div>
                        <div class="relative">
                            <span class="absolute left-4 top-1/2 -translate-y-1/2 text-slate-400 text-lg">$</span>
                            <input type="number" id="priceAmount" value="15.99" min="0" step="0.01"
                                class="w-full bg-slate-800/50 border border-slate-600 rounded-lg pl-10 pr-4 py-3 text-white placeholder-slate-500 focus:outline-none focus:ring-2 focus:ring-cyan-500 transition-all text-lg font-mono">
                        </div>
                        
                        <!-- Frequency Selector (Hidden for One-time) -->
                        <div id="frequencyGroup" class="space-y-2">
                            <label class="text-sm font-semibold text-slate-300 uppercase tracking-wider">Billing Cycle</label>
                            <div class="flex bg-slate-900/50 p-1 rounded-lg border border-slate-700">
                                <button type="button" class="flex-1 py-2 rounded-md text-sm font-medium transition-all bg-slate-700 text-white shadow-sm" onclick="setFrequency('monthly', this)">Monthly</button>
                                <button type="button" class="flex-1 py-2 rounded-md text-sm font-medium text-slate-400 hover:text-white transition-all" onclick="setFrequency('yearly', this)">Yearly</button>
                            </div>
                        </div>
                    </div>

                    <!-- Hidden Cost Toggle -->
                    <div class="pt-4 border-t border-slate-700/50">
                        <div class="flex items-center justify-between mb-4">
                            <span class="text-sm font-semibold text-slate-300">Add Hidden Costs?</span>
                            <div class="relative inline-block w-10 mr-2 align-middle select-none transition duration-200 ease-in">
                                <input type="checkbox" name="toggle" id="hiddenCostToggle" class="toggle-checkbox absolute block w-5 h-5 rounded-full bg-white border-4 appearance-none cursor-pointer transition-all duration-300 left-0 top-0"/>
                                <label for="hiddenCostToggle" class="toggle-label block overflow-hidden h-5 rounded-full bg-slate-700 cursor-pointer"></label>
                            </div>
                        </div>
                        
                        <div id="hiddenCostInputs" class="hidden space-y-3 opacity-0 transition-opacity duration-300">
                            <div class="grid grid-cols-2 gap-3">
                                <div>
                                    <label class="text-xs text-slate-400 block mb-1">Setup Fee</label>
                                    <input type="number" id="setupFee" value="0" class="w-full bg-slate-800 border border-slate-600 rounded px-3 py-2 text-sm text-white">
                                </div>
                                <div>
                                    <label class="text-xs text-slate-400 block mb-1">Maintenance/yr</label>
                                    <input type="number" id="maintenanceFee" value="0" class="w-full bg-slate-800 border border-slate-600 rounded px-3 py-2 text-sm text-white">
                                </div>
                            </div>
                            <div>
                                <label class="text-xs text-slate-400 block mb-1">Time Investment (hrs/week)</label>
                                <input type="range" id="timeInvestment" min="0" max="40" value="0" class="w-full" oninput="document.getElementById('timeVal').innerText = this.value + ' hrs'">
                                <div class="flex justify-between text-xs text-slate-500 mt-1">
                                    <span>0 hrs</span>
                                    <span id="timeVal" class="text-cyan-400 font-bold">0 hrs</span>
                                    <span>40 hrs</span>
                                </div>
                            </div>
                            <div>
                                <label class="text-xs text-slate-400 block mb-1">Your Hourly Rate ($)</label>
                                <input type="number" id="hourlyRate" value="50" class="w-full bg-slate-800 border border-slate-600 rounded px-3 py-2 text-sm text-white">
                            </div>
                        </div>
                    </div>

                    <button type="submit" class="w-full group relative overflow-hidden rounded-xl bg-gradient-to-r from-cyan-500 to-blue-600 p-4 font-bold text-white shadow-lg shadow-cyan-500/25 transition-all hover:scale-[1.02] hover:shadow-cyan-500/40 active:scale-[0.98]">
                        <span class="relative z-10 flex items-center justify-center gap-2">
                            Calculate True Cost
                            <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 transition-transform group-hover:translate-x-1" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 7l5 5m0 0l-5 5m5-5H6" />
                            </svg>
                        </span>
                        <div class="absolute inset-0 -z-10 bg-gradient-to-r from-blue-600 to-cyan-500 opacity-0 transition-opacity duration-300 group-hover:opacity-100"></div>
                    </button>

                </form>
            </div>
        </div>

        <!-- Right Column: Visualization & Results -->
        <div class="w-full lg:w-1/2 flex flex-col gap-6 relative">
            
            <!-- Initial State Placeholder -->
            <div id="initialState" class="h-full flex flex-col items-center justify-center text-center p-12 glass-panel rounded-2xl border-dashed border-2 border-slate-700">
                <div class="w-24 h-24 bg-slate-800 rounded-full flex items-center justify-center mb-6 animate-pulse">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-10 w-10 text-slate-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" />
                    </svg>
                </div>
                <h3 class="text-xl font-semibold text-slate-300">Awaiting Input</h3>
                <p class="text-slate-500 mt-2 max-w-xs">Enter your service details on the left to generate a financial breakdown.</p>
            </div>

            <!-- Results Container (Hidden initially) -->
            <div id="resultsContainer" class="hidden space-y-6">
                
                <!-- Verdict Card -->
                <div id="verdictCard" class="glass-panel p-8 rounded-2xl border-l-4 transition-all duration-500 transform translate-y-4 opacity-0">
                    <div class="flex justify-between items-start">
                        <div>
                            <h3 class="text-sm font-bold uppercase tracking-widest text-slate-400 mb-1">The Verdict</h3>
                            <h2 id="verdictTitle" class="text-3xl font-bold text-white mb-2">It's Free, But...</h2>
                            <p id="verdictDesc" class="text-slate-300 leading-relaxed">You pay with your data and attention.</p>
                        </div>
                        <div id="verdictIcon" class="text-5xl">🎁</div>
                    </div>
                </div>

                <!-- Stats Grid -->
                <div class="grid grid-cols-2 gap-4">
                    <div class="glass-panel p-5 rounded-xl border border-slate-700/50">
                        <div class="text-slate-400 text-xs uppercase font-bold mb-1">1 Year Cost</div>
                        <div id="cost1Year" class="text-2xl font-mono font-bold text-white">$0.00</div>
                    </div>
                    <div class="glass-panel p-5 rounded-xl border border-slate-700/50">
                        <div class="text-slate-400 text-xs uppercase font-bold mb-1">5 Year Cost</div>
                        <div id="cost5Year" class="text-2xl font-mono font-bold text-white">$0.00</div>
                    </div>
                    <div class="glass-panel p-5 rounded-xl border border-slate-700/50">
                        <div class="text-slate-400 text-xs uppercase font-bold mb-1">Time Cost (Year)</div>
                        <div id="timeCostYear" class="text-2xl font-mono font-bold text-cyan-400">$0.00</div>
                    </div>
                    <div class="glass-panel p-5 rounded-xl border border-slate-700/50">
                        <div class="text-slate-400 text-xs uppercase font-bold mb-1">Total Impact</div>
                        <div id="totalImpact" class="text-2xl font-mono font-bold text-emerald-400">$0.00</div>
                    </div>
                </div>

                <!-- Visual Breakdown -->
                <div class="glass-panel p-6 rounded-2xl border border-slate-700/50">
                    <h3 class="text-sm font-bold uppercase tracking-widest text-slate-400 mb-6">Cost Composition</h3>
                    
                    <!-- Bar Chart -->
                    <div class="space-y-4">
                        <!-- Base Cost Bar -->
                        <div>
                            <div class="flex justify-between text-xs mb-1">
                                <span class="text-slate-300">Base Subscription</span>
                                <span id="baseCostPct" class="text-slate-400">0%</span>
                            </div>
                            <div class="w-full bg-slate-800 rounded-full h-3 overflow-hidden">
                                <div id="barBase" class="bar-fill bg-cyan-500 h-full rounded-full" style="width: 0%"></div>
                            </div>
                        </div>

                        <!-- Hidden Fees Bar -->
                        <div>
                            <div class="flex justify-between text-xs mb-1">
                                <span class="text-slate-300">Hidden Fees (Setup/Maintenance)</span>
                                <span id="hiddenCostPct" class="text-slate-400">0%</span>
                            </div>
                            <div class="w-full bg-slate-800 rounded-full h-3 overflow-hidden">
                                <div id="barHidden" class="bar-fill bg-purple-500 h-full rounded-full" style="width: 0%"></div>
                            </div>
                        </div>

                        <!-- Time Cost Bar -->
                        <div>
                            <div class="flex justify-between text-xs mb-1">
                                <span class="text-slate-300">Time Investment Value</span>
                                <span id="timeCostPct" class="text-slate-400">0%</span>
                            </div>
                            <div class="w-full bg-slate-800 rounded-full h-3 overflow-hidden">
                                <div id="barTime" class="bar-fill bg-amber-500 h-full rounded-full" style="width: 0%"></div>
                            </div>
                        </div>
                    </div>

                    <div class="mt-6 pt-4 border-t border-slate-700/50 flex items-center gap-3">
                        <div class="w-8 h-8 rounded-full bg-slate-800 flex items-center justify-center text-lg">💡</div>
                        <p id="insightText" class="text-sm text-slate-400 italic">"Over 5 years, you could buy a used car with this amount."</p>
                    </div>
                </div>

            </div>
        </div>
    </main>

    <script>
        // --- Audio Setup (Tone.js) ---
        let synth;
        let isAudioInit = false;

        async function initAudio() {
            if (isAudioInit) return;
            await Tone.start();
            synth = new Tone.PolySynth(Tone.Synth).toDestination();
            synth.volume.value = -10;
            isAudioInit = true;
        }

        function playSound(type) {
            if (!isAudioInit) initAudio();
            if (!synth) return;

            const now = Tone.now();
            if (type === 'click') {
                synth.triggerAttackRelease("C5", "32n", now);
            } else if (type === 'success') {
                synth.triggerAttackRelease(["C4", "E4", "G4", "C5"], "8n", now);
            } else if (type === 'hover') {
                // Very subtle click
                // synth.triggerAttackRelease("G2", "64n", now, 0.1); 
            }
        }

        // --- UI Logic ---
        let currentFrequency = 'monthly';

        function setFrequency(freq, btn) {
            currentFrequency = freq;
            // Update UI buttons
            const buttons = btn.parentElement.querySelectorAll('button');
            buttons.forEach(b => {
                b.classList.remove('bg-slate-700', 'text-white', 'shadow-sm');
                b.classList.add('text-slate-400');
            });
            btn.classList.remove('text-slate-400');
            btn.classList.add('bg-slate-700', 'text-white', 'shadow-sm');
            
            document.getElementById('priceLabel').innerText = freq === 'monthly' ? 'per month' : 'per year';
            playSound('click');
        }

        function updateFormUI() {
            const type = document.querySelector('input[name="costType"]:checked').value;
            const priceGroup = document.getElementById('priceInputGroup');
            const freqGroup = document.getElementById('frequencyGroup');
            const priceInput = document.getElementById('priceAmount');

            if (type === 'free') {
                priceGroup.classList.add('opacity-50', 'pointer-events-none');
                priceInput.value = 0;
            } else {
                priceGroup.classList.remove('opacity-50', 'pointer-events-none');
                if(priceInput.value == 0) priceInput.value = 15.99;
            }

            if (type === 'one-time') {
                freqGroup.classList.add('hidden');
                document.getElementById('priceLabel').innerText = 'one time';
            } else {
                freqGroup.classList.remove('hidden');
                document.getElementById('priceLabel').innerText = currentFrequency === 'monthly' ? 'per month' : 'per year';
            }
            playSound('click');
        }

        // Toggle Hidden Costs
        document.getElementById('hiddenCostToggle').addEventListener('change', function() {
            const div = document.getElementById('hiddenCostInputs');
            if (this.checked) {
                div.classList.remove('hidden');
                // small delay to allow display:block to apply before opacity transition
                setTimeout(() => div.classList.remove('opacity-0'), 10);
            } else {
                div.classList.add('opacity-0');
                setTimeout(() => div.classList.add('hidden'), 300);
            }
            playSound('click');
        });

        // --- Calculation Logic ---
        function analyzeCost() {
            initAudio();
            playSound('success');

            const name = document.getElementById('serviceName').value || "This Service";
            const type = document.querySelector('input[name="costType"]:checked').value;
            const price = parseFloat(document.getElementById('priceAmount').value) || 0;
            
            // Hidden Costs
            const setupFee = parseFloat(document.getElementById('setupFee').value) || 0;
            const maintenanceFee = parseFloat(document.getElementById('maintenanceFee').value) || 0;
            const timeHours = parseFloat(document.getElementById('timeInvestment').value) || 0;
            const hourlyRate = parseFloat(document.getElementById('hourlyRate').value) || 0;

            // Calculations
            let monthlyCost = 0;
            let yearlyCost = 0;

            if (type === 'free') {
                monthlyCost = 0;
                yearlyCost = 0;
            } else if (type === 'subscription') {
                if (currentFrequency === 'monthly') {
                    monthlyCost = price;
                    yearlyCost = price * 12;
                } else {
                    monthlyCost = price / 12;
                    yearlyCost = price;
                }
            } else if (type === 'one-time') {
                monthlyCost = price / 12; // Amortized for chart comparison, though strictly one-time
                yearlyCost = price; // Assuming lifespan of 1 year for comparison context, or just the price
                // For 5 year calc, we assume bought once.
            }

            // Time Cost Calculation (Weekly hours * 52 weeks * rate)
            const yearlyTimeCost = timeHours * 52 * hourlyRate;
            const totalYearly = yearlyCost + setupFee + maintenanceFee + yearlyTimeCost;
            
            // 5 Year Projection
            let fiveYearCost = 0;
            if (type === 'subscription') {
                fiveYearCost = (yearlyCost * 5) + setupFee + (maintenanceFee * 5) + (yearlyTimeCost * 5);
            } else if (type === 'one-time') {
                fiveYearCost = price + setupFee + (maintenanceFee * 5) + (yearlyTimeCost * 5);
            } else {
                fiveYearCost = (yearlyTimeCost * 5); // Free service but time is money
            }

            // Update UI
            document.getElementById('initialState').classList.add('hidden');
            const results = document.getElementById('resultsContainer');
            results.classList.remove('hidden');
            
            // Animate Verdict Card
            const verdictCard = document.getElementById('verdictCard');
            verdictCard.classList.remove('translate-y-4', 'opacity-0');

            // Determine Verdict
            const verdictTitle = document.getElementById('verdictTitle');
            const verdictDesc = document.getElementById('verdictDesc');
            const verdictIcon = document.getElementById('verdictIcon');
            
            if (type === 'free') {
                verdictTitle.innerText = "Technically Free";
                verdictTitle.className = "text-3xl font-bold text-emerald-400 mb-2";
                verdictDesc.innerText = `You don't pay cash, but "${name}" costs you ${timeHours} hours of your life every week. Time is money.`;
                verdictIcon.innerText = "🎁";
                verdictCard.className = "glass-panel p-8 rounded-2xl border-l-4 border-emerald-500 transition-all duration-500 transform translate-y-0 opacity-100 glow-effect";
            } else if (totalYearly > 1000) {
                verdictTitle.innerText = "Expensive Habit";
                verdictTitle.className = "text-3xl font-bold text-rose-400 mb-2";
                verdictDesc.innerText = `This is a significant financial commitment. Are you getting $${Math.round(totalYearly)} worth of value?`;
                verdictIcon.innerText = "💸";
                verdictCard.className = "glass-panel p-8 rounded-2xl border-l-4 border-rose-500 transition-all duration-500 transform translate-y-0 opacity-100";
            } else {
                verdictTitle.innerText = "Reasonable Cost";
                verdictTitle.className = "text-3xl font-bold text-cyan-400 mb-2";
                verdictDesc.innerText = `The cost is manageable, but watch out for price hikes.`;
                verdictIcon.innerText = "👍";
                verdictCard.className = "glass-panel p-8 rounded-2xl border-l-4 border-cyan-500 transition-all duration-500 transform translate-y-0 opacity-100";
            }

            // Update Numbers
            animateValue("cost1Year", 0, yearlyCost + setupFee + maintenanceFee, 1000);
            animateValue("cost5Year", 0, fiveYearCost, 1500);
            animateValue("timeCostYear", 0, yearlyTimeCost, 1000);
            animateValue("totalImpact", 0, totalYearly, 1000);

            // Update Chart
            // Normalize for chart (1 Year view)
            const base = yearlyCost;
            const hidden = setupFee + maintenanceFee;
            const time = yearlyTimeCost;
            const total = base + hidden + time || 1; // avoid div by zero

            const pctBase = (base / total) * 100;
            const pctHidden = (hidden / total) * 100;
            const pctTime = (time / total) * 100;

            document.getElementById('barBase').style.width = `${pctBase}%`;
            document.getElementById('barHidden').style.width = `${pctHidden}%`;
            document.getElementById('barTime').style.width = `${pctTime}%`;

            document.getElementById('baseCostPct').innerText = Math.round(pctBase) + '%';
            document.getElementById('hiddenCostPct').innerText = Math.round(pctHidden) + '%';
            document.getElementById('timeCostPct').innerText = Math.round(pctTime) + '%';

            // Insight Text
            const insight = document.getElementById('insightText');
            if (type === 'free' && timeHours > 0) {
                insight.innerText = `If you value your time at $${hourlyRate}/hr, this "free" service actually costs you $${yearlyTimeCost.toLocaleString()} per year.`;
            } else if (fiveYearCost > 10000) {
                insight.innerText = `In 5 years, this could be a down payment on a car or a lavish vacation.`;
            } else if (fiveYearCost > 1000) {
                insight.innerText = `Over 5 years, that's a high-end laptop.`;
            } else {
                insight.innerText = `The cost is low, but every dollar counts towards your financial freedom.`;
            }
        }

        function animateValue(id, start, end, duration) {
            const obj = document.getElementById(id);
            let startTimestamp = null;
            const step = (timestamp) => {
                if (!startTimestamp) startTimestamp = timestamp;
                const progress = Math.min((timestamp - startTimestamp) / duration, 1);
                const value = Math.floor(progress * (end - start) + start);
                obj.innerHTML = "$" + value.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2});
                if (progress < 1) {
                    window.requestAnimationFrame(step);
                }
            };
            window.requestAnimationFrame(step);
        }

        // --- Background Animation (Canvas) ---
        const canvas = document.getElementById('bgCanvas');
        const ctx = canvas.getContext('2d');
        let particles = [];

        function resizeCanvas() {
            canvas.width = window.innerWidth;
            canvas.height = window.innerHeight;
        }
        window.addEventListener('resize', resizeCanvas);
        resizeCanvas();

        class Particle {
            constructor() {
                this.x = Math.random() * canvas.width;
                this.y = Math.random() * canvas.height;
                this.vx = (Math.random() - 0.5) * 0.5;
                this.vy = (Math.random() - 0.5) * 0.5;
                this.size = Math.random() * 2;
                this.color = `rgba(56, 189, 248, ${Math.random() * 0.5})`; // Cyan
            }

            update() {
                this.x += this.vx;
                this.y += this.vy;

                if (this.x < 0 || this.x > canvas.width) this.vx *= -1;
                if (this.y < 0 || this.y > canvas.height) this.vy *= -1;
            }

            draw() {
                ctx.beginPath();
                ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
                ctx.fillStyle = this.color;
                ctx.fill();
            }
        }

        function initParticles() {
            particles = [];
            for (let i = 0; i < 50; i++) {
                particles.push(new Particle());
            }
        }

        function animateParticles() {
            ctx.clearRect(0, 0, canvas.width, canvas.height);
            
            // Draw connections
            for (let i = 0; i < particles.length; i++) {
                for (let j = i; j < particles.length; j++) {
                    const dx = particles[i].x - particles[j].x;
                    const dy = particles[i].y - particles[j].y;
                    const distance = Math.sqrt(dx * dx + dy * dy);

                    if (distance < 150) {
                        ctx.beginPath();
                        ctx.strokeStyle = `rgba(148, 163, 184, ${0.1 - distance/1500})`;
                        ctx.lineWidth = 1;
                        ctx.moveTo(particles[i].x, particles[i].y);
                        ctx.lineTo(particles[j].x, particles[j].y);
                        ctx.stroke();
                    }
                }
                particles[i].update();
                particles[i].draw();
            }
            requestAnimationFrame(animateParticles);
        }

        initParticles();
        animateParticles();

    </script>
</body>
</html>