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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, user-scalable=no">
<meta name="theme-color" content="#64ffda">
<title>Analytics - ExpenseFlow</title>
<!-- External Resources -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.js"></script>
<style>
:root {
/* Color Palette - Matching index.html */
--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
--success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
--warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
/* Background Colors */
--bg-primary: #0f0f23;
--bg-secondary: #1a1a2e;
--bg-tertiary: #16213e;
/* Text Colors */
--text-primary: #ffffff;
--text-secondary: #b4b4b4;
--text-accent: #64ffda;
/* Accent Colors */
--accent-primary: #64ffda;
--success: #00e676;
--error: #ff5722;
--warning: #ffc107;
/* Shadows */
--shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
--shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.1);
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: var(--bg-primary);
background-image:
radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
radial-gradient(circle at 80% 20%, rgba(255, 107, 157, 0.3) 0%, transparent 50%),
radial-gradient(circle at 40% 40%, rgba(100, 255, 218, 0.2) 0%, transparent 50%);
min-height: 100vh;
color: var(--text-primary);
line-height: 1.6;
overflow-x: hidden;
}
/* Header Styles - Matching index.html */
.header {
position: fixed;
top: 0;
width: 100%;
z-index: 1000;
backdrop-filter: blur(12px);
background: rgba(15, 15, 35, 0.85);
border-bottom: 1px solid rgba(100, 255, 218, 0.1);
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.navbar {
padding: 0.85rem 0;
}
.nav-container {
max-width: 1200px;
margin: 0 auto;
padding: 0 2rem;
display: flex;
justify-content: space-between;
align-items: center;
gap: 2rem;
}
.nav-logo {
display: flex;
align-items: center;
gap: 0.65rem;
font-size: 1.4rem;
font-weight: 700;
color: var(--accent-primary);
text-decoration: none;
cursor: pointer;
transition: transform 0.2s ease;
}
.nav-logo:hover {
transform: scale(1.05);
}
.nav-logo i {
font-size: 1.8rem;
background: var(--primary-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.nav-menu {
display: flex;
gap: 0.25rem;
list-style: none;
flex: 1;
justify-content: center;
}
.nav-link {
color: var(--text-secondary);
text-decoration: none;
font-weight: 500;
font-size: 0.95rem;
padding: 0.65rem 1.15rem;
border-radius: 8px;
transition: all 0.25s ease;
position: relative;
}
.nav-link:hover {
color: var(--accent-primary);
background: rgba(100, 255, 218, 0.08);
}
.nav-link.active {
color: var(--accent-primary);
background: rgba(100, 255, 218, 0.12);
}
.nav-toggle {
display: none;
flex-direction: column;
cursor: pointer;
gap: 5px;
}
.bar {
width: 24px;
height: 2.5px;
background: var(--accent-primary);
transition: all 0.3s ease;
border-radius: 2px;
}
/* Main Content */
.main-content {
padding-top: 100px;
min-height: 100vh;
padding-bottom: 3rem;
}
.container {
max-width: 1400px;
margin: 0 auto;
padding: 0 2rem;
}
.page-header {
text-align: center;
padding: 2rem 0 3rem;
}
.page-title {
font-size: 3rem;
font-weight: 700;
background: linear-gradient(135deg, #64ffda 0%, #00b4d8 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
margin-bottom: 0.5rem;
}
.page-subtitle {
font-size: 1.1rem;
color: var(--text-secondary);
}
/* Filter Section */
.filters-section {
background: rgba(255, 255, 255, 0.05);
backdrop-filter: blur(20px);
border-radius: 15px;
border: 1px solid rgba(255, 255, 255, 0.1);
padding: 1.5rem;
margin-bottom: 2rem;
box-shadow: var(--shadow-glass);
}
.filters-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 1rem;
align-items: end;
}
.filter-group {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.filter-group label {
color: var(--text-secondary);
font-size: 0.85rem;
font-weight: 500;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.filter-group select,
.filter-group input {
padding: 0.75rem 1rem;
border: 1px solid rgba(255, 255, 255, 0.2);
border-radius: 8px;
background: rgba(255, 255, 255, 0.05);
color: var(--text-primary);
font-size: 0.9rem;
transition: all 0.3s ease;
}
.filter-group select:focus,
.filter-group input:focus {
outline: none;
border-color: var(--accent-primary);
box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.1);
}
.filter-group select option {
background: var(--bg-secondary);
color: var(--text-primary);
}
.apply-btn {
padding: 0.75rem 2rem;
background: var(--primary-gradient);
color: white;
border: none;
border-radius: 8px;
font-size: 0.9rem;
font-weight: 600;
cursor: pointer;
transition: all 0.3s ease;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.apply-btn:hover {
transform: translateY(-2px);
box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}
/* Stats Grid */
.stats-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 1.5rem;
margin-bottom: 2rem;
}
.stat-card {
background: rgba(255, 255, 255, 0.05);
backdrop-filter: blur(20px);
border-radius: 15px;
border: 1px solid rgba(255, 255, 255, 0.1);
padding: 1.5rem;
box-shadow: var(--shadow-glass);
transition: all 0.3s ease;
}
.stat-card:hover {
transform: translateY(-5px);
box-shadow: var(--shadow-hover);
border-color: rgba(100, 255, 218, 0.2);
}
.stat-header {
display: flex;
align-items: center;
gap: 0.5rem;
margin-bottom: 1rem;
}
.stat-icon {
font-size: 1.5rem;
color: var(--accent-primary);
}
.stat-title {
color: var(--text-secondary);
font-size: 0.85rem;
text-transform: uppercase;
letter-spacing: 1px;
font-weight: 500;
}
.stat-value {
font-size: 2rem;
font-weight: 700;
color: var(--text-primary);
margin-bottom: 0.5rem;
}
.stat-change {
font-size: 0.85rem;
display: flex;
align-items: center;
gap: 0.25rem;
}
.stat-change.positive {
color: var(--success);
}
.stat-change.negative {
color: var(--error);
}
/* Charts Grid */
.charts-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
gap: 2rem;
margin-bottom: 2rem;
}
.chart-card {
background: rgba(255, 255, 255, 0.05);
backdrop-filter: blur(20px);
border-radius: 15px;
border: 1px solid rgba(255, 255, 255, 0.1);
padding: 1.5rem;
box-shadow: var(--shadow-glass);
}
.chart-header {
display: flex;
align-items: center;
gap: 0.5rem;
margin-bottom: 1.5rem;
}
.chart-header i {
color: var(--accent-primary);
font-size: 1.2rem;
}
.chart-header h3 {
color: var(--text-primary);
font-size: 1.2rem;
font-weight: 600;
}
.chart-container {
position: relative;
height: 300px;
}
/* Categories Section */
.categories-section {
background: rgba(255, 255, 255, 0.05);
backdrop-filter: blur(20px);
border-radius: 15px;
border: 1px solid rgba(255, 255, 255, 0.1);
padding: 2rem;
box-shadow: var(--shadow-glass);
margin-bottom: 2rem;
}
.section-title {
display: flex;
align-items: center;
gap: 0.5rem;
margin-bottom: 1.5rem;
}
.section-title i {
color: var(--accent-primary);
font-size: 1.5rem;
}
.section-title h3 {
color: var(--text-primary);
font-size: 1.3rem;
font-weight: 600;
}
.category-list {
display: flex;
flex-direction: column;
gap: 1rem;
}
.category-item {
display: flex;
align-items: center;
gap: 1rem;
padding: 1rem;
background: rgba(255, 255, 255, 0.03);
border-radius: 10px;
transition: all 0.3s ease;
}
.category-item:hover {
background: rgba(255, 255, 255, 0.08);
transform: translateX(5px);
}
.category-icon {
width: 50px;
height: 50px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.5rem;
flex-shrink: 0;
}
.category-info {
flex: 1;
}
.category-name {
font-weight: 600;
color: var(--text-primary);
margin-bottom: 0.5rem;
}
.category-bar {
height: 8px;
background: rgba(255, 255, 255, 0.1);
border-radius: 4px;
overflow: hidden;
}
.category-bar-fill {
height: 100%;
background: var(--primary-gradient);
border-radius: 4px;
transition: width 0.5s ease;
}
.category-amount {
font-weight: 700;
color: var(--accent-primary);
font-size: 1.2rem;
}
/* Insights Section */
.insights-section {
background: rgba(255, 255, 255, 0.05);
backdrop-filter: blur(20px);
border-radius: 15px;
border: 1px solid rgba(255, 255, 255, 0.1);
padding: 2rem;
box-shadow: var(--shadow-glass);
}
.insight-item {
padding: 1.5rem;
background: rgba(100, 255, 218, 0.05);
border-left: 4px solid var(--accent-primary);
margin-bottom: 1rem;
border-radius: 8px;
}
.insight-item:last-child {
margin-bottom: 0;
}
.insight-item h4 {
color: var(--accent-primary);
margin-bottom: 0.5rem;
font-size: 1.1rem;
}
.insight-item p {
color: var(--text-secondary);
line-height: 1.6;
}
/* Responsive Design */
@media (max-width: 1024px) {
.nav-toggle {
display: flex;
}
.nav-menu {
position: fixed;
top: 0;
left: -100%;
width: 80%;
height: 100vh;
background: rgba(15, 15, 35, 0.95);
backdrop-filter: blur(20px);
flex-direction: column;
justify-content: flex-start;
align-items: center;
padding: 6rem 0 2rem;
transition: left 0.3s ease;
border-right: 1px solid rgba(255, 255, 255, 0.1);
}
.nav-menu.active {
left: 0;
}
.nav-link {
font-size: 1.1rem;
padding: 0.9rem 1.8rem;
width: 100%;
text-align: center;
}
}
@media (max-width: 768px) {
.page-title {
font-size: 2rem;
}
.charts-grid {
grid-template-columns: 1fr;
}
.filters-grid {
grid-template-columns: 1fr;
}
.container {
padding: 0 1rem;
}
}
@media (max-width: 480px) {
.page-title {
font-size: 1.5rem;
}
.stat-value {
font-size: 1.5rem;
}
}/* ================= LIGHT MODE ================= */
body.light-mode {
--bg-primary: #f5f7fb;
--bg-secondary: #ffffff;
--bg-tertiary: #ffffff;
--text-primary: #1a1a1a;
--text-secondary: #555555;
--text-accent: #667eea;
--accent-primary: #667eea;
background-image: none;
}
</style>
</head>
<body>
<!-- Header -->
<header class="header">
<nav class="navbar">
<div class="nav-container">
<a href="index.html" class="nav-logo">
<i class="fas fa-wallet"></i>
<span>ExpenseFlow</span>
</a>
<div class="nav-menu" id="nav-menu">
<a href="index.html" class="nav-link">Dashboard</a>
<a href="analytics.html" class="nav-link">Analytics</a>
<a href="goals.html" class="nav-link">Goals</a>
<a href="#settings" class="nav-link">Settings</a>
</div>
<button id="themeToggle" class="theme-toggle">
<i class="fas fa-moon"></i>
</button>
<div class="nav-toggle" id="nav-toggle">
<span class="bar"></span>
<span class="bar"></span>
<span class="bar"></span>
</div>
</div>
</nav>
</header>
<!-- Main Content -->
<main class="main-content">
<div class="container">
<div class="page-header">
<h1 class="page-title">📊 Expense Analytics</h1>
<p class="page-subtitle">Track your spending patterns and financial insights</p>
</div>
<!-- Filters -->
<div class="filters-section">
<div class="filters-grid">
<div class="filter-group">
<label>Time Period</label>
<select id="timePeriod">
<option value="week">Last 7 Days</option>
<option value="month" selected>Last 30 Days</option>
<option value="quarter">Last 3 Months</option>
<option value="year">Last Year</option>
<option value="custom">Custom Range</option>
</select>
</div>
<div class="filter-group" id="dateFromGroup" style="display: none;">
<label>From</label>
<input type="date" id="startDate">
</div>
<div class="filter-group" id="dateToGroup" style="display: none;">
<label>To</label>
<input type="date" id="endDate">
</div>
<div class="filter-group">
<label>Category</label>
<select id="categoryFilter">
<option value="all">All Categories</option>
<option value="food">🍽️ Food & Dining</option>
<option value="transport">🚗 Transportation</option>
<option value="shopping">🛒 Shopping</option>
<option value="bills">💡 Bills & Utilities</option>
<option value="entertainment">🎬 Entertainment</option>
<option value="healthcare">🏥 Healthcare</option>
<option value="education">📚 Education</option>
<option value="travel">✈️ Travel</option>
<option value="other">📋 Other</option>
</select>
</div>
<button class="apply-btn" onclick="updateAnalytics()">Apply Filters</button>
</div>
</div>
<!-- Stats Grid -->
<div class="stats-grid">
<div class="stat-card">
<div class="stat-header">
<i class="fas fa-rupee-sign stat-icon"></i>
<h4 class="stat-title">Total Expenses</h4>
</div>
<div class="stat-value" id="totalExpenses">₹0</div>
<div class="stat-change negative">
<i class="fas fa-arrow-up"></i>
<span id="expenseChange">0%</span> vs last period
</div>
</div>
<div class="stat-card">
<div class="stat-header">
<i class="fas fa-calendar-day stat-icon"></i>
<h4 class="stat-title">Average Daily</h4>
</div>
<div class="stat-value" id="avgDaily">₹0</div>
<div class="stat-change positive">
<i class="fas fa-arrow-down"></i>
<span>5%</span> vs last period
</div>
</div>
<div class="stat-card">
<div class="stat-header">
<i class="fas fa-list stat-icon"></i>
<h4 class="stat-title">Transactions</h4>
</div>
<div class="stat-value" id="totalTransactions">0</div>
<div class="stat-change">
<span id="transactionChange">0</span> this period
</div>
</div>
<div class="stat-card">
<div class="stat-header">
<i class="fas fa-crown stat-icon"></i>
<h4 class="stat-title">Top Category</h4>
</div>
<div class="stat-value" id="topCategory" style="font-size: 1.5rem;">-</div>
<div class="stat-change">
<span id="topCategoryAmount">₹0</span> spent
</div>
</div>
</div>
<!-- Charts -->
<div class="charts-grid">
<div class="chart-card">
<div class="chart-header">
<i class="fas fa-chart-line"></i>
<h3>Spending Trend</h3>
</div>
<div class="chart-container">
<canvas id="trendChart"></canvas>
</div>
</div>
<div class="chart-card">
<div class="chart-header">
<i class="fas fa-chart-pie"></i>
<h3>Category Breakdown</h3>
</div>
<div class="chart-container">
<canvas id="categoryChart"></canvas>
</div>
</div>
</div>
<div class="charts-grid">
<div class="chart-card">
<div class="chart-header">
<i class="fas fa-chart-bar"></i>
<h3>Monthly Comparison</h3>
</div>
<div class="chart-container">
<canvas id="monthlyChart"></canvas>
</div>
</div>
<div class="chart-card">
<div class="chart-header">
<i class="fas fa-calendar-week"></i>
<h3>Day of Week Analysis</h3>
</div>
<div class="chart-container">
<canvas id="dayChart"></canvas>
</div>
</div>
</div>
<!-- Top Categories -->
<div class="categories-section">
<div class="section-title">
<i class="fas fa-list-ul"></i>
<h3>Top Spending Categories</h3>
</div>
<div class="category-list" id="categoryList">
<!-- Categories will be populated by JavaScript -->
</div>
</div>
<!-- Insights -->
<div class="insights-section">
<div class="section-title">
<i class="fas fa-lightbulb"></i>
<h3>Smart Insights</h3>
</div>
<div id="insightsList">
<!-- Insights will be populated by JavaScript -->
</div>
</div>
</div>
</main>
<script>
// Mobile Navigation
document.addEventListener('DOMContentLoaded', function() {
const navToggle = document.getElementById('nav-toggle');
const navMenu = document.getElementById('nav-menu');
if (navToggle) {
navToggle.addEventListener('click', function() {
navToggle.classList.toggle('active');
navMenu.classList.toggle('active');
});
}
// Time period filter
document.getElementById('timePeriod').addEventListener('change', function() {
const customGroups = document.querySelectorAll('#dateFromGroup, #dateToGroup');
if (this.value === 'custom') {
customGroups.forEach(el => el.style.display = 'flex');
} else {
customGroups.forEach(el => el.style.display = 'none');
}
});
// Initialize analytics
loadAnalytics();
});
// Get transactions from localStorage
function getTransactionsFromStorage() {
const transactions = localStorage.getItem('transactions');
return transactions ? JSON.parse(transactions) : [];
}
// Category colors and icons
const categoryConfig = {
food: { color: '#ef4444', icon: '🍽️', name: 'Food & Dining' },
transport: { color: '#f59e0b', icon: '🚗', name: 'Transportation' },
shopping: { color: '#8b5cf6', icon: '🛒', name: 'Shopping' },
bills: { color: '#3b82f6', icon: '💡', name: 'Bills & Utilities' },
entertainment: { color: '#ec4899', icon: '🎬', name: 'Entertainment' },
healthcare: { color: '#10b981', icon: '🏥', name: 'Healthcare' },
education: { color: '#06b6d4', icon: '📚', name: 'Education' },
travel: { color: '#f97316', icon: '✈️', name: 'Travel' },
salary: { color: '#22c55e', icon: '💼', name: 'Salary' },
freelance: { color: '#a855f7', icon: '💻', name: 'Freelance' },
investment: { color: '#14b8a6', icon: '📈', name: 'Investment' },
other: { color: '#6b7280', icon: '📋', name: 'Other' }
};
// Initialize charts
let trendChart, categoryChart, monthlyChart, dayChart;
function loadAnalytics() {
const transactions = getTransactionsFromStorage();
if (transactions.length === 0) {
showNoDataMessage();
return;
}
updateStats(transactions);
createCharts(transactions);
displayTopCategories(transactions);
generateInsights(transactions);
}
function showNoDataMessage() {
document.getElementById('totalExpenses').textContent = '₹0';
document.getElementById('avgDaily').textContent = '₹0';
document.getElementById('totalTransactions').textContent = '0';
document.getElementById('topCategory').textContent = 'No Data';
}
function updateStats(transactions) {
// Calculate total expenses
const expenses = transactions.filter(t => t.type === 'expense');
const totalExpense = expenses.reduce((sum, t) => sum + Math.abs(t.amount), 0);
// Calculate average daily
const avgDaily = totalExpense / 30;
// Get top category
const categoryTotals = {};
expenses.forEach(t => {
if (!categoryTotals[t.category]) {
categoryTotals[t.category] = 0;
}
categoryTotals[t.category] += Math.abs(t.amount);
});
const topCat = Object.entries(categoryTotals).sort((a, b) => b[1] - a[1])[0];
// Update UI
document.getElementById('totalExpenses').textContent = `₹${totalExpense.toFixed(2)}`;
document.getElementById('avgDaily').textContent = `₹${avgDaily.toFixed(2)}`;
document.getElementById('totalTransactions').textContent = transactions.length;
if (topCat) {
const catConfig = categoryConfig[topCat[0]] || categoryConfig.other;
document.getElementById('topCategory').textContent = `${catConfig.icon} ${catConfig.name}`;
document.getElementById('topCategoryAmount').textContent = `₹${topCat[1].toFixed(2)}`;
}
}
function createCharts(transactions) {
const expenses = transactions.filter(t => t.type === 'expense');
// Trend Chart
const trendCtx = document.getElementById('trendChart').getContext('2d');
const dailyData = calculateDailyTrend(expenses);
trendChart = new Chart(trendCtx, {
type: 'line',
data: {
labels: dailyData.labels,
datasets: [{
label: 'Daily Spending',
data: dailyData.values,
borderColor: '#667eea',
backgroundColor: 'rgba(102, 126, 234, 0.1)',
tension: 0.4,
fill: true
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
plugins: { legend: { display: false } },
scales: {
y: {
beginAtZero: true,
ticks: {
callback: value => '₹' + value,
color: '#b4b4b4'
},
grid: { color: 'rgba(255, 255, 255, 0.1)' }
},
x: {
ticks: { color: '#b4b4b4' },
grid: { color: 'rgba(255, 255, 255, 0.1)' }
}
}
}
});
// Category Chart
const categoryCtx = document.getElementById('categoryChart').getContext('2d');
const categoryData = calculateCategoryData(expenses);
categoryChart = new Chart(categoryCtx, {
type: 'doughnut',
data: {
labels: categoryData.labels,
datasets: [{
data: categoryData.values,
backgroundColor: categoryData.colors
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
plugins: {
legend: {
position: 'bottom',
labels: { color: '#b4b4b4' }
}
}
}
});
// Monthly Chart
const monthlyCtx = document.getElementById('monthlyChart').getContext('2d');
const monthlyData = calculateMonthlyData(expenses);
monthlyChart = new Chart(monthlyCtx, {
type: 'bar',
data: {
labels: monthlyData.labels,
datasets: [{
label: 'Monthly Spending',
data: monthlyData.values,
backgroundColor: '#667eea'
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
plugins: { legend: { display: false } },
scales: {
y: {
beginAtZero: true,
ticks: {
callback: value => '₹' + value,
color: '#b4b4b4'
},
grid: { color: 'rgba(255, 255, 255, 0.1)' }
},
x: {
ticks: { color: '#b4b4b4' },
grid: { color: 'rgba(255, 255, 255, 0.1)' }
}
}
}
});
// Day of Week Chart
const dayCtx = document.getElementById('dayChart').getContext('2d');
const dayData = calculateDayOfWeekData(expenses);
dayChart = new Chart(dayCtx, {
type: 'bar',
data: {
labels: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
datasets: [{
label: 'Average by Day',
data: dayData,
backgroundColor: '#764ba2'
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
plugins: { legend: { display: false } },
scales: {
y: {
beginAtZero: true,
ticks: {
callback: value => '₹' + value,
color: '#b4b4b4'
},
grid: { color: 'rgba(255, 255, 255, 0.1)' }
},
x: {
ticks: { color: '#b4b4b4' },
grid: { color: 'rgba(255, 255, 255, 0.1)' }
}
}
}
});
}