import { LitElement, CSSResultGroup } from 'lit';
import { PdDialogButton } from '../types';
/**
 * Modal dialog with header, content, and configurable footer buttons.
 *
 * Rendert intern ein natives `<dialog>` und öffnet via `showModal()` im
 * Top-Layer des Browsers (immun gegen `transform`/`filter`/`contain`-
 * Vorfahren und `overflow`-Clipping; Fokus-Trap und `inert`-Hintergrund
 * kommen vom Browser).
 *
 * Usage contract: instantiation == open — der Dialog öffnet sich beim
 * Mounten automatisch (Konsumenten wie pd-confirm-dialog rendern ihn
 * konditional). `showPopup()`/`hidePopup()` steuern ihn programmatisch.
 *
 * Anzeige-Variante: Ohne `buttons` entfällt die Fußzeile komplett —
 * mit `withCloseIcon` schließt der Dialog über das X im Kopf (plus
 * ESC/Backdrop, wenn erlaubt). Jeder Schließ-Weg feuert `popup-close`,
 * damit konditional rendernde Konsumenten ihren Zustand nachziehen.
 *
 * @tagname pd-popup-dialog
 * @summary Modal dialog with header, content slot, and footer buttons.
 *
 * @event submit-button-clicked - Fired when a footer button is clicked. Emits `{button}`.
 * @event popup-close - Fired on every close path (X, ESC, backdrop, hidePopup).
 *
 * @slot content - Main dialog content.
 *
 * @cssprop --pd-popup-modal-bg-rgba - Backdrop background (`::backdrop`).
 * @cssprop --pd-popup-modal-padding - Modal padding. Default: `--pd-spacing-md`.
 * @cssprop --pd-popup-max-width - Maximum dialog width. Default: `700px`.
 * @cssprop --pd-popup-header-col - Header background. Default: `--pd-default-col`.
 * @cssprop --pd-popup-header-height - Header min-height. Default: `45px`.
 * @cssprop --pd-popup-header-gap - Header gap between icon and text. Default: `--pd-spacing-sm`.
 * @cssprop --pd-popup-header-font-size - Header font size. Default: `1.3em`.
 * @cssprop --pd-popup-header-font-col - Header text color. Default: `--pd-default-bg-col`.
 * @cssprop --pd-popup-content-bg - Content area background. Default: `--pd-default-bg-col`.
 * @cssprop --pd-popup-content-padding - Content area padding. Default: `--pd-spacing-md`.
 * @cssprop --pd-popup-footer-col - Footer background. Default: `--pd-default-light-col`.
 * @cssprop --pd-popup-footer-padding - Footer padding. Default: `--pd-spacing-md`.
 * @cssprop --pd-popup-footer-button-width - Footer button width. Default: `38%`.
 * @cssprop --pd-popup-border-col - Border color of the dialog surface. Default: `--pd-default-light-col`.
 * @cssprop --pd-popup-border-radius - Dialog border radius. Default: `var(--pd-radius-lg)`.
 */
export declare class PdPopupDialog extends LitElement {
    /**
     * Dialog type: `info`, `warn`, `error`, `help` — or `none` for a dialog
     * that carries no status at all (a form, a prompt), which would otherwise
     * get an info badge it does not mean.
     */
    type: string;
    /** Dialog title text. */
    title: string;
    /** Footer button configurations. */
    buttons: PdDialogButton[];
    /** Enable closing with Escape key. */
    closeByEscape: boolean;
    /** Enable closing by clicking the backdrop overlay. */
    closeByBackdrop: boolean;
    /** Block body scroll when dialog is open. */
    blockScroll: boolean;
    /** Show a close X in the header (display dialogs without footer). */
    withCloseIcon: boolean;
    /** @ignore */
    private _dialog;
    /** Track if scroll was blocked by this instance */
    private _scrollBlocked;
    static styles: CSSResultGroup;
    disconnectedCallback(): void;
    firstUpdated(): void;
    render(): import('lit').TemplateResult<1>;
    private _onCloseIconKeyDown;
    private _onButtonClick;
    private _renderIcon;
    /**
     * Öffnet das Popup-Dialog manuell
     */
    showPopup(): void;
    /**
     * Schließt das Popup-Dialog manuell
     */
    hidePopup(): void;
    /** ESC löst auf dem Dialog ein cancel aus — nur zulassen, wenn erlaubt. */
    private _onCancel;
    private _onBackdropClick;
    /** Zentraler Schließ-Pfad: feuert bei ESC, Backdrop, X und close(). */
    private _onDialogClose;
    private _unblockScroll;
}
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