Andreas Reinhold / reiniandClaude Opus 5
27028bfb7a
Plan step 36, navigation review sweep. <x-list-detail> renders an <x-button> as the single-pane back action, but only pane.css picked up button.css when the carry-over landed; an application importing layout/list-detail.css alone got an unstyled back button. A new check reads every layout view's component tags against its stylesheet's imports, as the group stylesheet tests do for components. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9
91 lines
3.5 KiB
CSS
91 lines
3.5 KiB
CSS
/*
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* <x-list-detail>: M3's list-detail canonical layout — a list, and the detail of what it selected.
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*
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* Its visible-panes table, row by row (docs/reference/m3/foundations-supplement.md § Canonical
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* layouts → List-detail):
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*
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* Compact (0–599) 1 pane list, or the detail once something is selected
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* Medium (600–839) 1 or 2 1, M3's recommendation for a layout that is not low-density
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* Expanded (840+) 2 list and detail side by side
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* Large (1200–1599) 2 the same
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* Extra-large (1600+) 2 the same
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*
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* Below 840px one pane shows: the list while `data-md-selected` is absent, the detail while it is
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* there, with a back button — M3: "a Back button appears in the detail view only for single-pane
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* layouts". From 840px the list is a fixed pane and the detail flexible, 24px apart: the fixed pane
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* is 360dp at expanded and 412dp from large (§ Breakpoints, "fixed-and-flexible layout's fixed pane
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* defaults to 360dp" at expanded and "412dp" at large and extra-large; 24dp margins and spacer),
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* and every back button inside is hidden. Grid columns run in the inline direction, so in a
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* right-to-left document the list is on the right — the mirror M3 requires of every canonical
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* layout (docs/reference/m3/foundations.md § Layout → Bidirectionality / RTL) — and the back arrow
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* turns with it.
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*
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* The layout keeps its content off the window's edge by M3's margin (16px below medium, 24px from
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* it) unless it is inside something that already does (`--md-layout-margin`, pane.css), and tells
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* what is inside it that the margin is drawn. A pane that is focused as a whole draws no outline:
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* it is not a control, and the element focus lands on inside it is what shows the ring.
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*
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* In `material.layout`; the state and focus are resources/js/layout.js. Imports button.css for the
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* detail pane's back button.
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*/
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@layer material.reset, material.tokens, material.base, material.layout, material.components, material.text, material.visibility;
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@import './visibility.css';
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@import '../components/button.css';
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@layer material.layout {
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[data-md-list-detail] {
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display: grid;
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grid-template-columns: minmax(0, 1fr);
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align-items: start;
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padding-inline: var(--md-layout-margin, var(--md-sys-measurement-space200));
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@media (width >= 600px) {
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padding-inline: var(--md-layout-margin, var(--md-sys-measurement-space300));
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}
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@media (width >= 840px) {
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grid-template-columns: 360px minmax(0, 1fr);
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column-gap: var(--md-sys-measurement-space300);
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}
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@media (width >= 1200px) {
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grid-template-columns: 412px minmax(0, 1fr);
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}
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}
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[data-md-list-detail] > * {
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--md-layout-margin: 0px;
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}
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[data-md-list-detail-pane] {
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min-inline-size: 0;
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outline: none;
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}
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[data-md-list-detail-back-row] {
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display: flex;
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align-items: center;
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min-block-size: var(--md-sys-measurement-space800);
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}
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[data-md-list-detail-back] [data-md-icon]:dir(rtl) {
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transform: scaleX(-1);
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}
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@media (width < 840px) {
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[data-md-list-detail]:not([data-md-selected]) > [data-md-list-detail-pane='detail'],
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[data-md-list-detail][data-md-selected] > [data-md-list-detail-pane='list'] {
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display: none;
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}
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}
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@media (width >= 840px) {
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[data-md-list-detail-back-row],
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[data-md-list-detail] [data-md-list-detail-back] {
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display: none;
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}
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}
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}
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