import { EmailColors } from './email-types.js';
/**
 * Athena Auth UI email palette.
 *
 * Values track HeroUI theme tokens from `@heroui/styles` (see package styles.css):
 * - background → `--background`
 * - primary → `--accent`
 * - primaryForeground → `--accent-foreground` / `--snow`
 *
 * Email clients cannot resolve CSS custom properties, so these must be concrete
 * color values. Keep them aligned with the theme tokens in styles.css.
 */
export declare const ATHENA_AUTH_EMAIL_COLORS: {
    readonly dark: {
        /** HeroUI dark `--background`: oklch(12% 0.005 285.823) */
        readonly background: "oklch(12% 0.005 285.823)";
        /** HeroUI `--accent` (shared across themes) */
        readonly primary: "oklch(0.6204 0.195 253.83)";
        /** HeroUI `--accent-foreground` / `--snow` */
        readonly primaryForeground: "oklch(0.9911 0 0)";
    };
    readonly light: {
        /** HeroUI light `--background`: oklch(0.9702 0 0) */
        readonly background: "oklch(0.9702 0 0)";
        /** HeroUI `--accent`: oklch(0.6204 0.195 253.83) */
        readonly primary: "oklch(0.6204 0.195 253.83)";
        /** HeroUI `--accent-foreground` / `--snow`: oklch(0.9911 0 0) */
        readonly primaryForeground: "oklch(0.9911 0 0)";
    };
};
/**
 * Merge caller overrides on top of Athena defaults (caller wins).
 */
export declare function mergeAthenaAuthEmailColors(colors?: EmailColors): EmailColors;