/**
 * @module tui/zen/zen-panes-ctx
 *
 * Shared contract for the EXTENDED pane renderers (charts, time, learning,
 * play, communication). zen-surface assembles a PaneCtx per pane and the
 * extended modules draw into it — same painter, theme, scroll and click
 * machinery as the built-in types, zero coupling to the layout engine.
 */
import type { TuiPane } from "../surfaces/surface-schema.js";
import type { Rgb, ZenPainter } from "./zen-surface.js";
export interface PaneTheme {
    bg: Rgb;
    tile: Rgb;
    zebra: Rgb;
    hover: Rgb;
    accent: Rgb;
}
export interface PaneOut {
    endY: number;
    /** Scroll window (omit for non-scrolling panes). */
    total?: number;
    shown?: number;
    off?: number;
}
export interface PaneCtx {
    p: ZenPainter;
    pane: TuiPane;
    /** Pane content, sanitized (text-over-source already resolved). */
    raw: string;
    /** Content-area left edge and width. */
    x: number;
    w: number;
    /** Pane column bounds (for row washes). */
    px: number;
    pw: number;
    /** First content row; hard bottom. */
    y: number;
    yMax: number;
    budget: number;
    clipAt: number;
    hue: Rgb;
    T: PaneTheme;
    now: number;
    mountT0: number;
    scrollOff: (total: number, window: number) => number;
    rowHover: (y: number) => boolean;
    pushRow: (y: number, text: string) => void;
    /** Narrow click target inside a row — cells, stars, days, options. */
    pushRegion: (y: number, x1: number, x2: number, text: string) => void;
}
/** Series palette — stable, vivid, distinct on the dark card tint. */
export declare const SERIES: Rgb[];
export declare const splitBar: (l: string) => string[];
export declare const fmtNum: (v: number) => string;
export declare const hashIdx: (s: string, mod: number) => number;
/** Eased 0→1 reveal since mount — the draw-in every chart shares. */
export declare const revealSince: (now: number, mountT0: number, ms: number) => number;