# Upgrading

## From 2.0.0 to 2.1.0

- **Browsers:** Firefox 151 or later (was 147), for container style queries on a custom property;
  Chrome 125 and Safari 18.4 are unchanged.
- **`<x-navigation-rail>`** publishes its value as `--md-navigation-rail-value`, `collapsed` or
  `expanded` (M3's two rail values). Content an application puts in a rail reads it with
  `@container style(--md-navigation-rail-value: collapsed)` instead of copying the rail's
  conditions from `navigation-rail.css`.
- **`<x-loading size="96">`** sizes the loading indicator in px, 24 to 240 (M3's responsive range),
  with the container and the shape in proportion. A width and height of the application's own
  still work.

## From 1.x to 2.0.0

2.0.0 aligns the library with Material Design 3 Expressive as Google documents it
(m3.material.io, checked page by page; the audits are in `docs/audits/m3-alignment/`). Most of
the change is inside the components. What reaches an application is below, in the order to do it.

### 1. Breakpoints are M3's window size classes

Tailwind's `sm:`, `md:`, `lg:`, `xl:` and `2xl:` no longer compile, and there are no responsive
variants in their place: the breakpoints are M3's window size classes — compact below 600px, then
medium (600px), expanded (840px), large (1200px) and extra-large (1600px) — and only those. A
layout component takes the class as a prop (`hide-below`, `hide-from`, `stack-below`, `<x-grid>`'s
`columns` map); the application's own CSS writes the width as a range media query:

| Was | Becomes |
|---|---|
| `sm:` / `max-sm:` (640) | `medium` · `@media (width >= 600px)` / `(width < 600px)` |
| `md:` / `max-md:` (768) | `medium` or `expanded` — choose by what the layout means |
| `lg:` / `max-lg:` (1024) | `expanded` · `@media (width >= 840px)` / `(width < 840px)` |
| `xl:` / `max-xl:` (1280) | `large` · `@media (width >= 1200px)` / `(width < 1200px)` |
| `2xl:` (1536) | `extra-large` · `@media (width >= 1600px)` |

`<div class="hidden lg:block">` is `<x-stack hide-below="expanded">`; `flex flex-col sm:flex-row` is
`<x-row stack-below="medium">`; `grid-cols-1 lg:grid-cols-2` is
`<x-grid :columns="['compact' => 1, 'expanded' => 2]">`. Scripts read the same numbers from
`resources/js/breakpoints.js` (`from('expanded')`, `upTo('medium')`). `DesignGuard` reports every
leftover prefix with its replacement.

### 2. Only M3's scales, as tokens

Tailwind's radius, shadow, text-size, weight, leading, tracking and easing utilities compile to
nothing, and so do the 1.x utilities that stood for M3's scales. A text style is a class; the
rest is a token in the application's own CSS:

| Was | Becomes |
|---|---|
| `rounded-sm` … `rounded-4xl`, `rounded-corner-*` (1.x) | `var(--md-sys-shape-corner-xs)` … `var(--md-sys-shape-corner-xxl)` (`-full`, `-none`), or `<x-surface corner="xs">` |
| `shadow-sm` … `shadow-2xl`, `shadow-elevation-*` (1.x) | `var(--md-sys-elevation-1)` … `var(--md-sys-elevation-5)` |
| `text-xs` … `text-9xl`, `leading-*`, `tracking-*`, `font-medium` … `font-black`, `type-*` (1.x) | one `md-type-*` class (`md-type-body-md`, `md-type-emphasized-title-md` …), or `font: var(--md-sys-typescale-body-md)` with its `-tracking` |
| `ease-in`, `ease-out`, `ease-in-out`, `duration-300`, `ease-spatial-*` (1.x) | `var(--md-sys-motion-spatial-*)` / `var(--md-sys-motion-effects-*)` with its `-duration`, in a `transition` |
| `gap-4`, `p-4`, `space-y-2` | `gap="space200"`, `<x-surface padding="space200">`, `<x-stack gap="space100">`, or `var(--md-sys-measurement-space200)` |
| `state-layer`, `focus-ring`, `touch-target`, `link` (1.x) | `md-state-layer`, `md-focus-ring`, `md-touch-target`, `md-link` |

The spacing tokens are the 4px grid Tailwind's scale was (`space200` is 16px). `DesignGuard` names
each one with its replacement.

### 3. Regenerate the colour scheme

```bash
php artisan material:scheme "#4f46e5" --variant=tonal-spot   # the command in the file's header
```

- `success`, `warning` and `info` are now built on the 2025 colour spec with the contrast level,
  like `error`; their values change. `--harmonize` blends them toward the seed (off by default).
- The stylesheet gains medium and high contrast blocks, and `material-scheme.json` gains a
  `contrast` key; `light`/`dark` at the top level are still the standard scheme, so the mail
  theme needs nothing. `--contrast` must now be below 0.5; medium (0.5) and high (1.0) are
  generated alongside.
- Config: `theme.contrast` (`default` `system` | `standard` | `medium` | `high`, `storage_key`)
  and `motion.scheme` (`expressive` | `standard`). `$store.theme` gains `contrast`,
  `resolvedContrast` and `setContrast()`; `<x-theme-toggle mode="contrast">` is a row of three.

### 4. Inks are roles, not opacities

1.x's `text-meta`, `text-body`, `text-quiet`, `border-chrome`, `border-structure` and
`border-divider` are gone with the rest of the utilities. Text takes the role's `md-ink-*` class —
`md-ink-variant` (on-surface-variant) for `text-meta` and `text-body`, `md-ink-quiet` (outline) for
`text-quiet` — and a line is `<x-divider>`, `<x-surface outlined>` or
`var(--md-sys-color-outline-variant)` in the application's CSS. Where the old translucent grey was
intended, the role is the same colour; where a template relied on the opacity to blend over a
colour, use the role directly.

### 5. Changed defaults and props

- `<x-toast>` no longer draws a state icon; `type` only picks the announcement role (`alert` for
  error and warning, `status` otherwise). An actioned snackbar stays until acted on; Escape
  dismisses a focused one.
- `<x-fab>` has no `disabled` prop: M3 says to remove a FAB whose action is unavailable, so hide
  it instead (a form-submit FAB uses `wire:loading.attr="disabled"`).
- `<x-alert>` is `role="status"` for every colour; pass `assertive` where the notice answers
  something the person just did.
- `<x-button size="xs">` and `<x-group size="xs">` are 8px wider; a `<x-button-group>` no longer
  wraps; connected `xs`/`sm` segments have a 48px minimum width.
- `<x-menu-item>` rows are 48px with 16px sides; a selected item draws a trailing check unless it
  has `icon-right`; a long menu scrolls.
- `<x-drawer>` renders a close button by default (`:with-close-button="false"` to drop it, ignored
  on a `standard` sheet or when Escape and the scrim are off) and left-aligns its `actions` in a
  72px row. `<x-drawer pane>` is removed; use `<x-list-detail>` for the second pane of a
  list-detail layout.
- `<x-bottom-sheet>` opens at `50dvh` (was `90dvh`); any `height` is capped at
  `calc(100dvh - 72px)`.
- `<x-carousel>` `padding` defaults to `16`; `layout="full-screen"` scrolls vertically with
  edge-to-edge items; items, not the row, are the tab stops.
- `<x-list dividers>` draws a 16px-inset rule; `<x-list selectable>` or `selection="single|multi"`
  makes it a `listbox` of `option`s with `aria-selected`.
- `<x-card>` changes elevation on hover instead of its corner; `data-md-card` carries the variant.
- A button directly in `<x-stack>` (stretched, the default) or `<x-form>` keeps its label's width at
  the start edge instead of filling the width, as M3 asks; a full-width submit is your own CSS.
- `<x-modal>` pins its header and actions and scrolls only the body; a `box-class` that set
  `overflow` no longer applies.
- `<x-table>` rows are 52px and the automatic fine-pointer density is gone: pass `dense` for 36px
  rows (`size="xs" dense` is 24px).
- A field in error draws a trailing `error` icon unless it already trails something; a read-only
  field no longer draws a dashed outline.
- The time picker's AM/PM buttons are radios (`aria-checked`); the password reveal no longer sets
  `aria-pressed`.
- `<x-slider size="md">` grows from 44 to 52px and every value indicator from 32 to 44px tall.
- `<x-theme-toggle mode="picker"|"contrast">` is a connected group over native radios: the
  `data-theme-option` hooks are gone; target `input[name="material-theme"][value="…"]`.
- `<x-tab>` panels render `id`, `aria-labelledby` and `display: none` from the server.
- `<x-section-nav>` with five or more sections is a scrollable tab bar, not a grid. The tab bar is
  10px taller; the focus ring sits outside.
- The navigation bar's horizontal label is `label-md`; `place="bottom"` toolbars sit above
  `--material-bottom-bar`; a standard toolbar's icon buttons are `primary`. An application that
  set `--material-bottom-bar` to lift the snackbar over its own bottom toolbar removes it: the
  toolbar now reads it to place itself, and publishes `--material-bottom-toolbar`, which the
  snackbar clears and the page pads its end with.
- The centred app bar headline is a grid column; the `search` variant bounds its own width, so
  drop hand-written `max-w-*` wrappers.
- `<x-app-shell>` is renamed `<x-scaffold>`, with no alias; it is a column with a nested row
  and gains `banner` and `fab` slots. `<x-navigation-rail>`'s `header` slot takes one
  `<x-fab label icon>` that morphs (replace the two-FAB `rail-collapsed:` swap); new `divider`
  and `fill` props. The `rail-collapsed:` variant is gone: style what the application puts in a
  rail by the rail's value, `@container style(--md-navigation-rail-value: collapsed)` (2.1.0).
  `data-app-shell`, `data-app-shell-bar`, `data-app-shell-actions` and
  `data-app-shell-banner` are `data-md-scaffold`, `data-md-scaffold-bar`, `data-md-scaffold-actions`
  and `data-md-scaffold-banner`; the skip link is `data-md-skip-link`.
- `<x-icon optical="20">` selects the optical-size-20 cut; the components pass it for their own
  small icons, applications pass it for icons drawn at 20px or less.
- A text field stops at 40rem wide from medium (600px), as M3 bounds fields on wider windows; a
  width rule of the application's own on the field beats it, and `full` removes it.
- Every `<x-modal>` draws a rule under its header and over its actions while its body scrolls,
  and neither when the body fits. `separator` now means "always draw both rules" and no longer
  renders two `<x-divider>` elements; the spacing between header, body and actions moved to
  M3's split gaps, so a dialog that fits is a few pixels shorter.
- A snackbar with a `description` is 68px tall, and below medium (600px) a two-line snackbar with an
  action puts the action under the text. Alt+G moves focus to an actioned snackbar.
- `<x-bottom-sheet>`'s drag now follows the pointer and settles on the nearest preset height when
  `heights` or `snap` is set; without stops it behaves as before.
- A chip set with `scroll` shows a scroll button over each overflowing edge on fine pointers.

### 6. `material.css` is gone, and so is Tailwind

The 1.x single-import shortcut no longer exists, and Tailwind has left the whole stack — the
package, its showcase, error pages and Workbench build carry none, and an application drops it
too. The package's CSS is plain, no build step of its own, in one entry:
`resources/css/all.css` for everything, or `foundation.css` first and then the stylesheet of each
component the views render, opening with the layer statement every package stylesheet does
(see Installation in `README.md`). An application's views write no utility layer of their own
either: layout components (`<x-scaffold>`, `<x-pane>`, `<x-stack>`, `<x-row>`, `<x-grid>`, the
canonical layouts) take M3's spacing tokens and breakpoints as props, a small set of `md-type-*`
and `md-ink-*` classes covers text on plain elements, and `--md-sys-*` custom properties serve the
rest of an application's own stylesheet. The foundation smooths text in grayscale, as Tailwind's
`antialiased` class did: drop the class.

### 7. New in 2.0.0

Nothing to migrate, but worth knowing: submenus (`<x-menu-item submenu>`), a filtering menu
(`<x-menu filter>`), a menu that opens as a bottom sheet on compact windows
(`<x-menu sheet-at-compact>`), gap-grouped menu items (`<x-menu-group gap>`), square button groups
(`shape="square"`), managed selection on connected groups (`selection="single|multi" required`),
FAB collapse on scroll (`<x-fab collapse-on-scroll>`), the tall navigation bar and hide-on-scroll
(`tall`, `hide-on-scroll`; `tall-bar`, `hide-bar-on-scroll` on the shell), the narrow, centred and
hide-when-collapsed rail (`width="narrow"`, `align="center"`, `hide-when-collapsed`), a docked
toolbar with a FAB and a rounded large-screen form (`rounded`), app bar actions that overflow into
a menu (`:actions="[…]"`), the list item's `video` slot, the card's dragged state, the standard
side sheet (`<x-drawer standard>`), bottom sheet preset heights, the multi-aspect carousel
(`layout="multi-aspect"`), the divider with a subheader (`<x-divider text>`), the character counter
(`counter`), the vertical slider (`orientation="vertical"`), the full-screen range date picker on
compact windows, search's icon entry point and suggestions (`trigger="icon"`, `suggestions` slot),
the contrast toggle (`<x-theme-toggle mode="contrast">`) and the Standard motion scheme.

### 8. Tests and guards

`DesignGuard` changes with the stack:

- **Removed:** the maryUI tag and daisyUI class checks, `forbidAbsolutes()` and `forbidOpacityInk()`.
  Every Tailwind utility now compiles to nothing and is reported with its replacement, so
  `bg-white` and `text-on-surface/60` still are.
- **Retargeted:** `forbidColours([...])` keeps its signature and reports a left-out role where 2.0.0
  writes one: `var(--md-sys-color-…)` in CSS or an inline `style`, an `md-ink-*` class, a
  component's `color`/`tone` prop.
- **New:** `missingStylesheets($cssEntry)` names each `@import` the views need, and
  `unusedStylesheets($cssEntry)` each one they no longer do; a `.css` file passed
  to `scan()` is checked for literal values and off-scale media queries.

Browser tests that assert widths switch at 640/1024/1280 now
switch at 600/840/1200; tests that read `role="alert"` on an alert, `aria-pressed` on the time
picker's period buttons or `data-theme-option` need the new hooks above.

Every component hook is prefixed `data-md-`: `data-toolbar-place` is `data-md-toolbar-place`,
`data-account-menu` is `data-md-account-menu`, `data-field-copy` is `data-md-field-copy`. The
attributes on `<html>` keep their names (`data-theme`, `data-contrast`, `data-scheme`,
`data-motion`, `data-rail`). A component's inner parts also carry its name:

| 1.x | 2.0.0 |
|---|---|
| `data-app-shell`, `-bar`, `-actions`, `-banner` | `data-md-scaffold`, `-bar`, `-actions`, `-banner` |
| `data-theme-option="dark"` | `input[name="material-theme"][value="dark"]` |
| `data-scheme-option="teal"` | `data-md-scheme-picker-option="teal"` |
| `data-account-theme` | `data-md-account-menu-theme` |
| `data-section-picker` | `data-md-section-nav-picker` |
| `data-material-carousel`, `-item`, `-content`, `-label`, `-surface` | `data-md-carousel`, `-item`, `-content`, `-label`, `-surface` |
| `data-sheet` (drawer) | `data-md-drawer-sheet` |
| `data-drag-handle` (bottom sheet) | `data-md-bottom-sheet-handle` |
| `data-check`, `data-mixed` (checkbox) | `data-md-checkbox-check`, `data-md-checkbox-mixed` |
| `data-on`, `data-off`, `data-handle` (toggle) | `data-md-switch-on`, `data-md-switch-off`, `data-md-switch-handle` |
| `data-handle`, `data-thumb`, `data-tick`, `data-stop`, `data-segment`, `data-track-icon` (slider) | `data-md-slider-handle`, `-thumb`, `-tick`, `-stop`, `-segment`, `-icon` |

Rename the negative assertions too: `->not->toContain('data-app-bar')` passes against 2.0.0
whatever the page renders.

### 9. For AI agents

`php artisan boost:update --discover` picks up the new `material-3` guideline and the
`material-3-design` skill, which state M3's rules and tables beside the library's classes, props
and tokens.