import type { ColorScheme, GlassTokens } from "../tokens.js";
import type { GlassLayer } from "./glass-surface.shared.js";
export declare const WEB_FROST: {
    /** The backdrop blur in px: the hand-off's `blur(20px)`. */
    readonly blur: 20;
    /** The backdrop saturation the blur carries: the hand-off's `saturate(1.6)`. */
    readonly saturate: 1.6;
    /** The modal veil: blur the backdrop by two pixels, as the hand-off's overlay stages do. */
    readonly veilBlur: 2;
    /**
     * A clear surface (a field on its pane, a pill) frosts nothing: the hand-off draws its
     * fields as a plain fill, so the backdrop reads through them unsoftened.
     */
    readonly clearBlur: 0;
    /** The sheer content treatment: the layer's fill drawn at this opacity. */
    readonly sheerFillOpacity: 0.75;
    /** The rim: one inset hairline, no specular highlight and no refraction. */
    readonly rimWidth: 1;
    /** The hand-off's strong hairline (`--ln2`), the rim on every layer. */
    readonly rim: Record<ColorScheme, string>;
    /**
     * The modal scrim's backdrop blur in px: the hand-off's `blur(2px)` under its dim (the
     * `scrim` token), on the web under glass only. 0 turns it off.
     */
    readonly scrimBlur: 2;
};
/**
 * The layer tints: the hand-off's `--gl` (its card surface at 62%) on the functional
 * layer; the content and dense panes the same surface denser, so text keeps its contrast
 * over any page (test/glass-tint.test.tsx holds the ordering and the floors); the control
 * puck the raised step (`secondary`) at control density. One set per scheme: the accent
 * palette never moves the glass.
 */
export declare const WEB_TINTS: Record<ColorScheme, GlassTokens>;
/** The backdrop filter for a blur radius: the radius with the material's saturation. */
export declare function webBackdrop(blur: number): string;
/** The rim colour for a layer: the hand-off's strong hairline on every layer. */
export declare function webRimColor(_layer: GlassLayer, scheme: ColorScheme, _border: string): string;
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