Element: #202 Multi-line comparison (charts/line) What it shows: A line chart with three series, Revenue, Expenses and Profit, across nine months. When to use: Comparing related metrics over time, such as income against cost and the resulting margin. Spec: - ` r - expenses[i])` derives the third series - `categories={months}` with `'Jan'` to `'Sep'` - `valueFormatter={fmt}` renders `$${(v / 1000).toFixed(0)}k` - `height="300px"` inside `` Tags: line-chart, multi-series, revenue, expenses, time-series, card Needs: @codeatlasdev/ui@4.4.0 + echarts Components: Card, LineChart Live demo: https://ui.codeatlas.com.br/docs/charts/line#multi-line-comparison