interface Padding {
    top: number;
    right: number;
    bottom: number;
    left: number;
}

/**
 * Configuration for a chart instance.
 */
interface LineChartConfig {
    /** Array of data series. Each inner array is one series of numeric values. */
    data: number[][];
    /** X-axis labels. Must match the length of each data series. */
    labels: string[];
    /** X-axis title. */
    xLabel?: string;
    /** Y-axis title. */
    yLabel?: string;
    /** Colors for each series. Defaults to Thruscan brand palette. */
    colors?: string[];
    /** Chart width in pixels. Defaults to container's clientWidth or 600. */
    width?: number;
    /** Chart height in pixels. Defaults to 350. */
    height?: number;
    /** Catmull-Rom spline smoothing. Default false. */
    smooth?: boolean;
    /** Semi-transparent fill under each series. Default false. */
    areaFill?: boolean;
    /** Area fill opacity. Default 0.1. */
    areaOpacity?: number;
    /** Show X/Y tick labels. Default true. */
    showTicks?: boolean;
    /** Show grid lines. Default true. */
    showGrid?: boolean;
    /** Dashed grid lines. Default false. */
    gridDashed?: boolean;
    /** Series stroke width. Default 2.5. */
    strokeWidth?: number;
    /** Enable hover tooltip + indicator. Default true. */
    hover?: boolean;
    /** Chart padding {top, right, bottom, left}. Default {top:20, right:30, bottom:50, left:60}. */
    padding?: Partial<Padding>;
}
/**
 * Creates a high-performance SVG+HTML hybrid line chart inside the specified container.
 */
declare function NanoLineChart(containerId: string, config: LineChartConfig): void;

/**
 * Configuration for a bar chart instance.
 */
interface BarChartConfig {
    /** Array of data series. Each inner array is one series of numeric values. */
    data: number[][];
    /** Category labels. Must match the length of each data series. */
    labels: string[];
    /** X-axis title. */
    xLabel?: string;
    /** Y-axis title. */
    yLabel?: string;
    /** Colors for each series. Defaults to Thruscan brand palette. */
    colors?: string[];
    /** Chart width in pixels. Defaults to container's clientWidth or 600. */
    width?: number;
    /** Chart height in pixels. Defaults to 350. */
    height?: number;
    /** Stack series instead of grouping side-by-side. Default false. */
    stacked?: boolean;
    /** Horizontal bars (categories on Y-axis). Default false. */
    horizontal?: boolean;
    /** Gap between bar groups as fraction of group width (0–1). Default 0.2. */
    barGap?: number;
    /** Show tick labels. Default true. */
    showTicks?: boolean;
    /** Show grid lines. Default true. */
    showGrid?: boolean;
    /** Dashed grid lines. Default false. */
    gridDashed?: boolean;
    /** Enable hover tooltip + indicator. Default true. */
    hover?: boolean;
    /** Chart padding {top, right, bottom, left}. Default {top:20, right:30, bottom:50, left:60} (left:80 for horizontal). */
    padding?: Partial<Padding>;
}
/**
 * Creates a high-performance SVG+HTML hybrid bar chart inside the specified container.
 */
declare function NanoBarChart(containerId: string, config: BarChartConfig): void;

/**
 * Configuration for a pie chart instance.
 */
interface PieChartConfig {
    /** One numeric value per slice. */
    data: number[];
    /** Label per slice. Must match data length. */
    labels: string[];
    /** Color per slice. Defaults to Thruscan brand palette. */
    colors?: string[];
    /** Chart width in pixels. Defaults to container's clientWidth or 350. */
    width?: number;
    /** Chart height in pixels. Defaults to width (square). */
    height?: number;
    /** Donut mode (hollow center). Default false. */
    donut?: boolean;
    /** Donut ring thickness in pixels. Default 60. */
    donutWidth?: number;
    /** Show labels outside slices. Default true. */
    showLabels?: boolean;
    /** Enable hover tooltip. Default true. */
    hover?: boolean;
}
/**
 * Creates a high-performance SVG+HTML hybrid pie/donut chart inside the specified container.
 */
declare function NanoPieChart(containerId: string, config: PieChartConfig): void;

export { type BarChartConfig, type LineChartConfig, NanoBarChart, NanoLineChart, NanoPieChart, type PieChartConfig };