Plan step 36 (navigation group, third batch): <x-scaffold>'s own
styling moves into resources/css/layout/scaffold.css (the content
region, the bar and rail row, the banner, the actions row and its
rail-collapsed column layout, --material-bottom-bar and
--material-margin publishing, the skip link) alongside step 35's FAB
and content-margin rules already there. Every data-app-shell* hook
becomes data-md-scaffold-* (data-app-shell-bar, -actions, -banner);
the skip link is data-md-skip-link; data-app-shell itself is dropped,
data-md-scaffold already named the root.
The actions row's rail-collapsed:flex-col is written out branch for
branch as the navigation rail's own rewrite did for its internal
parts: the three width-independent conditions in one :where() group,
the four width-gated ones each in their own @media block. With that
gone, resources/css/tailwind.css's rail-collapsed custom-variant
shim (its last use) is removed; tailwind.css now carries only
tokens/theme.css and tokens/utilities.css, which the showcase still
needs until step 38.
navigation-bar.css's hide-on-scroll rule reading --material-bottom-bar
stayed unlayered only because <x-scaffold> published that variable
through a Tailwind utility, which no layered rule could outrank; now
scaffold.css sets it itself in material.layout, a layer
navigation-bar.css's own material.components always beats, so the
rule moves into the layer and the file fits one
@layer material.components block like every other navigation
stylesheet. navigation-bar rejoins NavigationStylesheetsTest.php's
dataset and NavigationBarTest.php's own duplicate shape test is
retired in favour of it.
Browser tests added (docs/plans/material-3-browser-tests.md): the
scaffold's FAB dropping the bar's own height once hide-bar-on-scroll
slides it away, at the trailing edge in a right-to-left document, and
clearing a safe area an application sets on its inline-end and bottom
edges.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9
Plan step 36 (navigation group, second batch): <x-navigation-bar>'s and
<x-navigation-bar-item>'s class lists move into
resources/css/components/navigation-bar.css and navigation-bar-item.css,
keyed on data-md-navigation-bar (data-md-tall, data-md-hide-on-scroll/
-hidden) and data-md-navigation-bar-item (data-md-active), both in
material.components. The indicator's growing fill and its state layer,
shared with the rail's item, move into a new navigation-item.css both
files import — the day's own layer in datepicker.css is the precedent
for keeping it out of the shared foundation classes: the element
focused and pressed is the whole item, the layer drawn only on the
smaller indicator or pill inside it, which md-state-layer cannot do and
:focus-visible never matches. The wash colour moves from a dead
on-surface base overridden by both items to a shared on-secondary-
container declaration, and its opacities from literal 0.08/0.1 to
state.css's own tokens — no visible change, since the numbers matched.
Every size is px (16dp Tailwind quirks aside, this file had none); the
bar's own item-count and container-query layout, N-08's label-medium
fix and N-19's on-secondary-container wash already matched the audit,
so only hooks, units and layer needed to change.
The scaffold's hide-on-scroll offset rule (`--material-bottom-bar`,
navigation-bar.css) stays unlayered: <x-scaffold> still publishes that
variable with a Tailwind utility until its own rewrite, and a rule in
any layer loses to it regardless of specificity — unlike the FAB
overrides the rail commit moves into material.components, which only
have to beat another material.components rule.
navigation.css is not deleted yet (still Tailwind's for the rail); its
"Navigation" comment in tailwind.css narrows as each stream leaves.
navigation-bar.css is not in NavigationStylesheetsTest.php's dataset:
its one unlayered rule breaks that test's "every block is
material.components" assumption, so the same checks are in
NavigationBarTest.php instead, the same reason ErrorPagesTest.php
carries error-page.css's.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9
