export declare const backdropPrefix = "mzn-backdrop";
/**
 * Backdrop 的遮罩顏色變體。
 * - `'dark'` — 深色半透明遮罩
 * - `'light'` — 淺色半透明遮罩
 */
export type BackdropVariant = 'dark' | 'light';
export declare const backdropClasses: {
    readonly host: "mzn-backdrop";
    readonly hostOpen: "mzn-backdrop--open";
    readonly hostAbsolute: "mzn-backdrop--absolute";
    readonly main: "mzn-backdrop__main";
    readonly backdrop: "mzn-backdrop__backdrop";
    readonly backdropVariant: (variant: BackdropVariant) => string;
    readonly content: "mzn-backdrop__content";
};