Andreas Reinhold / reiniandClaude Opus 5
9c047a8fb1
Plan step 25 (navigation Missing): M3's "Expanded behavior | Hide when collapsed" was only implicit below `medium` in the adaptive rail. `<x-navigation-rail hide-when-collapsed>` (collapsible and adaptive rails) takes the rail out of the layout when it is collapsed; `$store.rail.show()` from an app-bar menu button brings it back expanded over a scrim, sliding in, and its own menu button docks it again. It does not reach the bands where the window, not the visitor, collapses a rail (below `medium` for collapsible, `medium` for adaptive), since M3's collapsed rail may never hide. Every `rail-collapsed` branch now stops while the rail is open. `<x-app-shell hide-rail-when-collapsed>` exposes it. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9
181 lines
10 KiB
PHP
181 lines
10 KiB
PHP
{{-- M3 Expressive's navigation rail: destinations down the start edge of a `medium` or wider
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window, collapsed (96px, icon over label) or expanded (icon beside label in a full-width pill).
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<div class="flex min-h-dvh">
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<x-navigation-rail mode="collapsible">
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<x-slot:brand><span class="type-title-lg">Mail</span></x-slot:brand>
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<x-slot:header>
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<x-fab label="Compose" icon="edit" />
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</x-slot:header>
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<x-navigation-rail-item label="Inbox" icon="inbox" link="/inbox" active badge="12" />
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<x-navigation-rail-section label="Labels">
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<x-navigation-rail-item label="Travel" icon="label" link="/labels/travel" />
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</x-navigation-rail-section>
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<x-slot:footer>
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<x-navigation-rail-item label="Settings" icon="settings" link="/settings" />
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</x-slot:footer>
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</x-navigation-rail>
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<main class="min-w-0 flex-1">…</main>
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</div>
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`mode` says what decides its width:
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- `collapsed` — always collapsed; `expanded` — always expanded.
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- `collapsible` (the default) — the visitor's choice: expanded until the menu button collapses
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it. The choice is `$store.rail`, remembered in localStorage and applied by <x-theme-script>
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before the first paint (<html data-rail>), so the rail never paints wide and snaps shut.
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- `modal` — collapsed in the layout; the menu button (or `$store.rail.show()` from anywhere)
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opens it expanded over a scrim, holding focus until Escape, the scrim, the menu button or
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leaving the page closes it (Compose's ModalWideNavigationRail).
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- `adaptive` — what `<x-app-shell>` uses, one rail per M3 window size class: on a compact
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window (below `medium`, 600px) nothing until `$store.rail.show()` slides it in as a modal;
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at `medium` (600–839) collapsed in the layout, opening as a modal; at `expanded` (840–1199)
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a standard rail, collapsed until its menu button expands it in place; from `large` (1200)
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the same standard rail, expanded to begin with. A visitor who has used the menu button keeps
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that choice in both standard bands.
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Slots: `brand` beside the menu button, only while expanded; `header` under it — one
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`<x-fab label="…" icon="…">`, which the rail morphs: the label's width springs open and shut
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with the rail, so the FAB becomes an extended FAB and back rather than one being swapped for
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the other, and its label names it at both widths. It also rests flat, because M3 puts a FAB
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nested in another component at elevation 0, not the 3 a standalone one has. Then the
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destinations in the default slot, which alone scroll when the window is too short, and
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`footer`, pinned to the foot. Header and footer never scroll, so nothing in them is cut off by
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the scroller's edge.
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Anything else inside can take both shapes with the `rail-collapsed:` variant, which applies
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while the rail is drawn collapsed for whatever reason:
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`<span class="rail-collapsed:hidden">…only while expanded…</span>`
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`<span class="hidden rail-collapsed:inline-flex">…only while collapsed…</span>`.
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Nothing that shows while collapsed may be wider than 96px.
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Props: `label` names the landmark ("Main"); `width` is the expanded width (`16rem`, held
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between M3's 220 and 360dp) — or the word `narrow`, M3's other *collapsed* width
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(NavigationRailCollapsedTokens.NarrowContainerWidth, 80px against the default 96), where the
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items are their icons alone because no label fits under a 56px indicator at that width; the
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labels stay in the accessibility tree, since they are what name the destinations, and a
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narrow rail expands to the default 16rem; `align` is `top` (the default) or `center`, which
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puts the destinations at the rail's vertical centre — M3 prefers that on a tablet, for reach —
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while the menu button, the brand and the FAB stay at the top and the footer at the foot, as M3
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asks; more destinations than fit go back to the top rather than out of reach above the
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scroller; `hide-when-collapsed` is M3's other expanded behaviour, for a `collapsible` or
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`adaptive` rail: collapsing it takes it out of the layout altogether instead of narrowing it
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to 96px, and it comes back expanded over a scrim when something calls `$store.rail.show()` —
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a menu button in the app bar, which is the only way back, so put one there. Its own menu
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button then docks it into the layout again. Not below `medium` for a collapsible rail, nor at
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`medium` for an adaptive one: there it is the window and not the visitor that collapses a
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rail, and M3's collapsed rail may never hide; `menu` shows the menu button (by default for `collapsible`,
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`modal` and `adaptive`); `divider` draws M3's optional vertical divider on the edge the page
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is on — which is also what M3 asks for when a page scrolls underneath a fixed rail; `fill`
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(`false`) drops the container colour for a transparent rail over the page's own background,
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which M3 allows as long as the items keep a 3:1 contrast against what is behind them. A rail
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open over a scrim keeps its fill and drops the divider whatever those say: it is a surface
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over the page then. The rail does not scroll with the page: in a flex row it sticks to the top
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of the viewport, as tall as the viewport at most.
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Values from androidx Compose Material 3 (Apache-2.0), androidx-main
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27cf9a7d5788aa0f5f2d8b6699ce279560daf326: NavigationRailCollapsedTokens.kt,
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NavigationRailExpandedTokens.kt, NavigationRailBaselineItemTokens.kt and
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WideNavigationRail.kt under
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https://github.com/androidx/androidx/tree/androidx-main/compose/material3/material3/src/commonMain/kotlin/androidx/compose/material3
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— surface (surface-container and elevation 2 with a large inner corner when modal), 44px above
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the header and 40px under it, 4px between collapsed items. The styles are
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resources/css/components/navigation.css; the behaviour resources/js/navigation.js. --}}
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@props([
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'mode' => 'collapsible',
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'label' => null,
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'width' => '16rem',
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'align' => 'top',
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'hideWhenCollapsed' => false,
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'menu' => null,
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'divider' => false,
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'fill' => true,
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])
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@php
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$mode = in_array($mode, ['collapsed', 'expanded', 'collapsible', 'modal', 'adaptive'], true) ? $mode : 'collapsible';
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$interactive = in_array($mode, ['collapsible', 'modal', 'adaptive'], true);
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// Only a rail that has a collapsed *and* an expanded state of its own can hide instead of
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// narrowing; a `modal` one is already over the page, and the two fixed modes mean what they say.
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$hideWhenCollapsed = $hideWhenCollapsed && in_array($mode, ['collapsible', 'adaptive'], true);
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$canOpen = in_array($mode, ['modal', 'adaptive'], true) || $hideWhenCollapsed;
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$menu ??= $interactive;
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$collapsedAtFirst = in_array($mode, ['collapsed', 'modal'], true);
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$narrow = $width === 'narrow';
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$width = $narrow ? '16rem' : $width;
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$centred = $align === 'center';
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@endphp
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<div
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data-navigation-rail="{{ $mode }}"
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@if ($narrow) data-width="narrow" @endif
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@if ($centred) data-align="center" @endif
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@if ($hideWhenCollapsed) data-hide-when-collapsed @endif
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@if ($divider) data-divider @endif
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@unless ($fill) data-fill="false" @endunless
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@if ($interactive)
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x-data="materialNavigationRail('{{ $mode }}', {{ $hideWhenCollapsed ? 'true' : 'false' }})"
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x-bind:data-open="open"
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@endif
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{{ $attributes->merge(['style' => "--navigation-rail-width: {$width}"]) }}
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>
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@if ($canOpen)
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<div data-navigation-rail-scrim aria-hidden="true" x-on:click="$store.rail.hide()"></div>
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@endif
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<nav
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data-navigation-rail-panel
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aria-label="{{ $label ?? __('Main') }}"
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@if ($canOpen)
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x-trap.inert.noscroll="open"
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x-on:keydown.escape.window="open && $store.rail.hide()"
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@endif
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>
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@if ($menu || isset($brand) || isset($header))
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<div data-navigation-rail-header>
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@if ($menu || isset($brand))
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{{-- The menu button is centred on the collapsed rail: 28px either side of a
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40px button in 96, 20px in a narrow 80. --}}
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<div @class(['flex w-full min-w-0 items-center gap-3 pe-5', 'ps-7' => $menu, 'rail-collapsed:ps-5' => $menu && $narrow, 'ps-5' => ! $menu])>
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@if ($menu)
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<button
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type="button"
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data-navigation-rail-menu
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aria-label="{{ $collapsedAtFirst ? __('Expand navigation') : __('Collapse navigation') }}"
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aria-expanded="{{ $collapsedAtFirst ? 'false' : 'true' }}"
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x-on:click="menu()"
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x-bind:aria-label="expanded ? @js(__('Collapse navigation')) : @js(__('Expand navigation'))"
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x-bind:aria-expanded="expanded.toString()"
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class="state-layer touch-target focus-ring inline-flex size-10 shrink-0 cursor-pointer items-center justify-center rounded-corner-full text-on-surface-variant"
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>
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<span class="contents rail-collapsed:hidden"><x-livewire-material::icon name="menu_open" class="size-6" /></span>
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<span class="hidden rail-collapsed:contents"><x-livewire-material::icon name="menu" class="size-6" /></span>
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</button>
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@endif
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@isset($brand)
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<div class="min-w-0 flex-1 rail-collapsed:hidden">{{ $brand }}</div>
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@endisset
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</div>
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@endif
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@isset($header)
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{{-- And so is a 56px FAB: 20px either side in 96, 12px in a narrow 80. --}}
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<div {{ $header->attributes->class(['flex w-full flex-col items-start gap-2 px-5', 'rail-collapsed:px-3' => $narrow]) }}>{{ $header }}</div>
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@endisset
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</div>
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@endif
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<div data-navigation-rail-destinations>
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{{ $slot }}
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</div>
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@isset($footer)
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<div data-navigation-rail-footer {{ $footer->attributes }}>{{ $footer }}</div>
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@endisset
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</nav>
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</div>
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