export declare const APP_SHELL_ID = "fika-shell";
export declare const APP_PORTALS_ID = "fika-portals";
export declare const EMBED_ROOT_CLASS = "fika-embed-root";
export declare function setFikaPortalTarget(target: HTMLElement | null): void;
export declare function clearFikaPortalTarget(target: HTMLElement): void;
/** Overlay mount for the standalone app. Never document.body — that is the page, not Fika. */
export declare function ensureAppPortalRoot(): HTMLElement;
/**
 * Parent for offscreen work nodes (MathLive probes, raster stages). The embed
 * stylesheet is scoped under `.fika-embed-root`, so a node hung off
 * `document.body` would paint without MathLive/ProseMirror rules (fractions
 * collapse to a flat run). Mount inside the embed root when there is one.
 */
export declare function resolveOffscreenHost(): HTMLElement;
export declare function getFikaPortalTarget(): HTMLElement;
/**
 * Resolve the portal target for a *specific* embed instance.
 *
 * The module-level `portalTarget` only tracks the last-mounted embed, so when
 * several embeds coexist (e.g. multiple decks force-mounted side by side in a
 * host app) it points at the wrong one — overlays then render into a sibling
 * embed's portal, which the host may have hidden (`display:none`), so they
 * never appear. Resolving from the interacted element keeps each overlay in
 * its own embed. Falls back to the standalone portal root.
 */
export declare function resolveFikaPortalTarget(el?: Element | null): HTMLElement;
/**
 * Pointer position and available space in the portal's own box. Menus are
 * absolutely positioned inside the portal (which spans the Fika root), so
 * viewport coordinates are translated into it.
 */
export declare function menuAxisFromEvent(event: MouseEvent, portal: HTMLElement): {
    x: number;
    y: number;
    width: number;
    height: number;
};
export declare function queryFika<T extends Element = Element>(selector: string): T | null;
export declare function queryFikaAll<T extends Element = Element>(selector: string): NodeListOf<T>;
/**
 * True when the event belongs to Fika (shell / embed), not a host overlay.
 *
 * Canvas clicks set editorAreaFocus but do not move DOM focus, so keydown/paste
 * land on document.body. Those document-level events are app-owned while Fika
 * is mounted. Foreign overlays (react-scan) focus their own nodes and stay out.
 */
export declare function isAppOwnedEvent(event: Event): boolean;