import type { FreeAppStore } from '../index.js';
import type { User } from '../types.js';
export interface AvatarProps {
    user: User | null;
    size?: number;
}
/** GitHub avatar with fallback to colored initial circle. */
export declare function Avatar({ user, size }: AvatarProps): import("react/jsx-runtime").JSX.Element;
export interface SignInButtonProps {
    app: FreeAppStore;
    label?: string;
}
/** Platform-branded sign-in button. Calls app.auth.signIn(). */
export declare function SignInButton({ app, label }: SignInButtonProps): import("react/jsx-runtime").JSX.Element;
/** Sun/moon toggle button. Cycles: system -> light -> dark. */
export declare function ThemeToggle(): import("react/jsx-runtime").JSX.Element;
type TextSize = 'default' | 'lg' | 'sm';
/** Hook for text size state. Used by TextSizeToggle and ProfilePage. */
export declare function useTextSize(): {
    size: TextSize;
    setSize: (next: TextSize) => void;
};
/** Text size toggle. Cycles: default -> large -> small. Shows A/A+/A-. */
export declare function TextSizeToggle(): import("react/jsx-runtime").JSX.Element;
export {};
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