import type { SpaceToken } from "./spacing";
/** Every band control aligns to it, so a toolbar reads as one band. */
export declare const CONTROL_HEIGHT = 40;
/**
 * The tallest fixed-height node a band can seat: 6 per side of air, border included
 * (`composition.md` §"Bands, tabs and lenses").
 */
export declare const CONTROL_CONTENT_HEIGHT = 28;
/** The 1px border is part of the 6: bordered surfaces pad by this, unbordered by this + 1. */
export declare const CONTROL_PADDING_V: number;
/** Also the floor under a field popover's width. */
export declare const MIN_CONTROL_WIDTH = 160;
/**
 * Below this `DetailTable` stacks label over value. Larger than {@link MIN_CONTROL_WIDTH}: a value
 * column must stay readable, not just operable.
 */
export declare const MIN_VALUE_WIDTH = 200;
/** A nested element takes `CONTROL_RADIUS − padding` to stay concentric (`constitution.md` §5). */
export declare const CONTROL_RADIUS = 10;
/** For surfaces that hold content; a pressable card is still not a control. */
export declare const CARD_RADIUS = 14;
/** For surfaces whose height is data: proportional under a third, capped at the control rung. */
export declare function proportionalRadius(height: number): number;
/**
 * Net-zero negative margin and padding keep content on the container's edge while the wash grows
 * into the parent's padding, which every kit container clears (`composition.md` §"No dead rows").
 */
export declare const ROW_WASH_BLEED = 12;
/**
 * 1px border (transparent at rest on inline editors) plus 8px padding; anything aligned to a
 * control's words uses 9.
 */
export declare const CONTROL_TEXT_INSET = 9;
/** One rung, no border (`button.css`); what a layout budgeting a verb adds to its word's ink. */
export declare const BUTTON_TEXT_INSET: SpaceToken;