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tokens.css defined colours, radii and font families but not a single --text-* step, so font sizes had no baseline to align to and grew wherever they were needed: 51 distinct sizes across web + desktop, 370 written as arbitrary values, six at half a pixel (10.5 / 11.5 / 12.5 / 13.5 / 14.5 / 15.5px). text-xs and text-sm carried nearly all UI text while the range between them — 11, 13, 15px — could only be reached with arbitrary values. Hierarchy does not come from having more sizes; past a handful, each extra size makes the hierarchy blurrier. Add ten role-named steps, each with its own line-height so leading cannot fragment the way size did, and move every product-UI call site onto them. Steps are named for what the text is for, not for a t-shirt size, because that is what keeps the scale from drifting again. Six steps deliberately keep the exact size/line-height pairs of the Tailwind defaults they replace, so the ~1,900-call-site rename moves nothing on screen. The visible changes are confined to former arbitrary values snapping to a step: 8/9/10px -> micro (11px) on badges and overlines; 17 -> 18; 22 -> 24; 30 (text-3xl) -> 36 on headings and stat numbers; 12.8px -> label (13px) on small buttons and toggles. Half-pixel sizes are gone. This supersedes #6108, which was reverted by #6116 because the sidebar group labels rendered at the inherited 16px. The cause was not the scale but cn(): `text-<x>` is ambiguous in Tailwind, and tailwind-merge resolves it against a table listing only the default sizes, so it filed every role step under text-colour and dropped whichever of `text-caption` / `text-sidebar-foreground/70` came first. Registering the steps as a font-size class group restores the real conflict groups — size beats size, colour beats colour, the two coexist — and a test pins the list against the scale, since the failure is silent in source. Hand-written CSS is covered too. The transcript kept a 12.5px body long after every Tailwind call site was on the scale, so the "no half-pixel sizes" claim was true of the classes and false of the product; the editor's prose, code and mermaid ramps had the same blind spot, and seven of their eight values already equalled a step exactly. All now reference var(--text-*). The guard test reads raw `font-size:` declarations as well as class names, exempting only the 16px iOS input-zoom workaround in base.css and the landing pages' marketing ramp. apps/mobile (own NativeWind config) and apps/docs (fumadocs' own type system) keep Tailwind's default scale and are untouched. Landing display type (rem/clamp, 2.2-6.4rem) stays on its separate ramp, as do four decorative emoji / serif-hero sizes. Verified on a running local stack: pinned sidebar rows and group labels measure 12px/16px, nav items 14px/20px — identical to pre-migration. An audit of every rendered font size across the product surfaces finds nothing off the scale; the only exceptions are avatar initials and emoji, which actor-avatar.tsx sizes proportionally to the avatar diameter by design. Co-authored-by: Lambda <lambda@multica.ai> Co-authored-by: multica-agent <github@multica.ai>
46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
"use client";
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import type { ReactNode } from "react";
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import { cn } from "@multica/ui/lib/utils";
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/** A pill-button group for picking between mutually exclusive modes: the active
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* option lifts to the background, the rest stay muted. One control for every
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* either/or, so switching mode always looks and works the same wherever it
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* appears. */
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export function SegmentedToggle<T extends string>({
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value,
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options,
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onChange,
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buttonClassName,
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}: {
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value: T;
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options: ReadonlyArray<readonly [T, ReactNode]>;
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onChange: (value: T) => void;
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/** Overrides the compact default sizing (text-caption px-2 py-1). */
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buttonClassName?: string;
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}) {
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return (
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<div className="grid auto-cols-fr grid-flow-col gap-1 rounded-md bg-muted p-1">
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{options.map(([key, label]) => (
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<button
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key={key}
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type="button"
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aria-pressed={value === key}
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onClick={() => {
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if (key !== value) onChange(key);
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}}
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className={cn(
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"rounded-sm font-medium transition-colors",
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buttonClassName ?? "px-2 py-1 text-caption",
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value === key
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? "bg-background text-foreground shadow-sm"
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: "text-muted-foreground hover:text-foreground",
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)}
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>
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{label}
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</button>
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))}
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</div>
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);
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}
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