Andreas Reinhold / reiniandClaude Opus 5
b7e16476cd
1.x drew `data-selected` on any `data-list-row` that was not a card in secondary-container with on-secondary-container ink, whatever element the row was. 2.0.0 kept that only for `<x-list-item selected>` and a table row's `aria-selected="true"`, so an application's own `<li>`, `<div>` or `<tr>` with `data-md-list-row` and `data-md-selected` - the contract list-rows.js still describes - lost its selected state without a word. list-item.css now fills such a row, cards and list items excluded, and names the fill `--md-list-row-fill`, so hover, focus and press tint it as they tint a selected list item rather than replacing it (1.x's selected fill hid them). In `<x-table>`, `data-md-selected` selects a plain row too, beside `aria-selected="true"`, which ARIA allows on a row only in a grid. A browser test compares a hand-made selected `<li>` and a plain selected `<tr>` with the role pair in the light and dark themes, checks that a selected card keeps its own fill and that hover tints the row's fill; it fails without the change. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
271 lines
11 KiB
CSS
271 lines
11 KiB
CSS
/*
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* <x-list-item>: a headline with what leads it, what supports it and what trails it, one- two- or
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* three-line by `data-md-lines` (56/72/88px, `ListTokens.kt:180,323,347`, androidx Compose
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* Material 3, Apache-2.0) — the tallest element sets the height, and a three-line item top-aligns
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* rather than centring (docs/reference/m3/components-actions-communication-containment.md
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* § Lists → Specs). Leading/trailing gap and container padding are both `space200` (16px,
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* `ItemLeadingSpace`/`ItemTrailingSpace`/container padding, C-14).
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*
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* `data-md-list-row` (`resources/js/list-rows.js`, shared with `<x-card>` and an application's own
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* table rows) and `[data-md-list-open]:focus-visible` answer with the state layer — the row's ink at
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* the hover 8% and focus/press 10% state tokens — and a 3px secondary inset ring; excluded on
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* `[data-md-card]`, which draws its own tint through the shared `md-state-layer` class instead
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* (card.css). The layer is mixed over the row's own fill, `--md-list-row-fill` (a segmented tile's
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* surface, a selected item's secondary-container, table.css's selected row), so a hovered, pressed
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* or focused row keeps its fill under the tint instead of trading it for a translucent one (C-08's
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* second fix). `data-md-selected` is M3's selected item, secondary-container filled, which also
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* lifts the description/overline/trailing/icon colour rules below since they exclude it — the
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* container's own colour takes over by inheritance. The same attribute on any other row that is
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* not a card — an application's own `<li>`, `<div>` or `<tr>` — draws the same fill and ink, as
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* 1.x's `data-selected` did; a card keeps its own container. A selected option draws a second cue, a
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* trailing check, so selection is never colour alone (C-03). `aria-disabled` inks the whole item
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* on-surface at the disabled-content opacity (38%) and blocks the pointer; the view drops the
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* item's link entirely rather than leaving a focusable, activatable control behind it (C-02).
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*
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* `data-md-list="segmented"` items (M3 Expressive) are `surface-container` tiles (one tone up from
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* `ItemSegmentedContainerColor`, so they read against the package's own `surface` page;
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* C-21), 4px corners that open to 16px at the list's own ends and while hovered (12px), pressed,
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* focused or selected (16px) — the specs page's interaction-state expressive shapes (C-22). Leading
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* icons there are drawn at 20px, not scaled down from 24 — list-item.blade.php passes `size` to
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* `<x-icon>` from the parent's `@aware(['segmented'])`, so no CSS override is needed here (C-26).
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*
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* `data-md-dividers` on the list insets its rule 16px from both ends (`DividerLeadingSpace`/
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* `DividerTrailingSpace`, C-16) rather than full-bleed.
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*
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* Leading media: `data-md-list-item-avatar` is 40px, full corner, initials in primary-container
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* when it is a `<span>`, an image otherwise; `data-md-list-item-image` is a 56px small-corner
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* thumbnail; `data-md-list-item-video` is M3's leading video in its two sizes,
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* `data-md-size="sm"` 100×56px (a two-line item) or `"lg"` 114×64px (a three-line item),
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* `LeadingVideoSmall`/`LeadingVideoLarge`.
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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 './icon.css';
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@layer material.components {
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[data-md-list-item] {
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position: relative;
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display: flex;
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align-items: center;
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gap: var(--md-sys-measurement-space200);
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padding-inline: var(--md-sys-measurement-space200);
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color: var(--md-sys-color-on-surface);
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}
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[data-md-list-item][data-md-lines='1'] {
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min-height: 56px;
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padding-block: var(--md-sys-measurement-space100);
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}
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[data-md-list-item][data-md-lines='2'] {
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min-height: 72px;
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padding-block: var(--md-sys-measurement-space100);
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}
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[data-md-list-item][data-md-lines='3'] {
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min-height: 88px;
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padding-block: 12px;
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align-items: flex-start;
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}
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/* A row's fill, under its state layer. Declared on every row at no weight, so a row nested in a
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filled one starts from nothing rather than inheriting its parent's fill. */
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:where([data-md-list-row]) {
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--md-list-row-fill: transparent;
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}
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/* M3 Expressive's segmented list gives each item its own container: ListTokens.kt:201,
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`ItemSegmentedContainerColor get() = ColorSchemeKeyTokens.Surface`. One tone up from that,
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because the token reads against a Compose scaffold and this package paints the page
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`surface` itself (foundation/base.css): a surface tile on a surface page is a list nobody
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can see. `surface-container` is the step M3 names for a container that has to read against
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the page, and what 1.x drew. Before the selected rule, which outranks it on the same
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weight. */
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[data-md-list='segmented'] > [data-md-list-item] {
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--md-list-row-fill: var(--md-sys-color-surface-container);
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background-color: var(--md-list-row-fill);
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}
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[data-md-list-item][data-md-selected] {
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--md-list-row-fill: var(--md-sys-color-secondary-container);
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background-color: var(--md-list-row-fill);
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color: var(--md-sys-color-on-secondary-container);
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}
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/* A row written by hand — list-rows.js's contract, not an `<x-list-item>` — selected the same
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way. The state layers below are mixed over this fill, as they are over an item's. */
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[data-md-list-row][data-md-selected]:not([data-md-card], [data-md-list-item]) {
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--md-list-row-fill: var(--md-sys-color-secondary-container);
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background-color: var(--md-list-row-fill);
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color: var(--md-sys-color-on-secondary-container);
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}
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[data-md-list-item][aria-disabled='true'] {
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pointer-events: none;
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color: color-mix(in srgb, var(--md-sys-color-on-surface) calc(var(--md-sys-state-disabled-content-opacity) * 100%), transparent);
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}
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[data-md-list-item]:not([data-md-selected], [aria-disabled='true']) :is([data-md-list-item-overline], [data-md-list-item-description], [data-md-list-item-trailing], [data-md-list-item-icon]) {
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color: var(--md-sys-color-on-surface-variant);
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}
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[data-md-list-item-leading],
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[data-md-list-item-end] {
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display: flex;
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flex-shrink: 0;
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align-items: center;
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}
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[data-md-list-item-end] {
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gap: var(--md-sys-measurement-space50);
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}
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[data-md-list-item-video] {
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flex-shrink: 0;
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overflow: hidden;
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border-radius: var(--md-sys-shape-corner-sm);
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background-color: var(--md-sys-color-surface-container-highest);
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& > * {
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width: 100%;
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height: 100%;
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object-fit: cover;
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}
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}
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[data-md-list-item-video][data-md-size='sm'] {
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width: 100px;
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height: 56px;
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}
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[data-md-list-item-video][data-md-size='lg'] {
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width: 114px;
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height: 64px;
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}
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[data-md-list-item-avatar] {
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flex-shrink: 0;
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width: 40px;
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height: 40px;
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border-radius: var(--md-sys-shape-corner-full);
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object-fit: cover;
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}
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span[data-md-list-item-avatar] {
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display: grid;
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place-items: center;
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background-color: var(--md-sys-color-primary-container);
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color: var(--md-sys-color-on-primary-container);
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font: var(--md-sys-typescale-title-md);
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letter-spacing: var(--md-sys-typescale-title-md-tracking);
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}
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[data-md-list-item-image] {
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flex-shrink: 0;
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width: 56px;
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height: 56px;
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border-radius: var(--md-sys-shape-corner-sm);
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object-fit: cover;
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}
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[data-md-list-item-content] {
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min-width: 0;
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flex: 1 1 0%;
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}
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[data-md-list-item-overline] {
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font: var(--md-sys-typescale-label-sm);
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letter-spacing: var(--md-sys-typescale-label-sm-tracking);
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}
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[data-md-list-item-title] {
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display: block;
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overflow: hidden;
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outline: none;
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font: var(--md-sys-typescale-body-lg);
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letter-spacing: var(--md-sys-typescale-body-lg-tracking);
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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[data-md-list-item-description] {
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overflow: hidden;
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display: -webkit-box;
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-webkit-box-orient: vertical;
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-webkit-line-clamp: 2;
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font: var(--md-sys-typescale-body-md);
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letter-spacing: var(--md-sys-typescale-body-md-tracking);
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}
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[data-md-list-item-trailing] {
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flex-shrink: 0;
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font: var(--md-sys-typescale-label-sm);
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letter-spacing: var(--md-sys-typescale-label-sm-tracking);
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}
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[data-md-list][data-md-dividers] > [data-md-list-item]:not(:last-child)::after {
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content: '';
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position: absolute;
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inset-inline: var(--md-sys-measurement-space200);
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bottom: 0;
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height: 1px;
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background-color: var(--md-sys-color-outline-variant);
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pointer-events: none;
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}
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[data-md-list-row] {
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cursor: pointer;
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transition-property: background-color, border-radius;
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transition-duration: var(--md-sys-motion-effects-fast-duration), var(--md-sys-motion-spatial-fast-duration);
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transition-timing-function: var(--md-sys-motion-effects-fast), var(--md-sys-motion-spatial-fast);
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}
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@media (hover: hover) {
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[data-md-list-row]:not([data-md-card]):hover:not(:has(:is(a, button, input, select, textarea, label, summary):not([data-md-list-open]):hover)) {
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background-color: color-mix(in srgb, currentColor calc(var(--md-sys-state-hover-state-layer-opacity) * 100%), var(--md-list-row-fill, transparent));
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}
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}
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[data-md-list-row]:not([data-md-card]):has([data-md-list-open]:focus-visible) {
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background-color: color-mix(in srgb, currentColor calc(var(--md-sys-state-focus-state-layer-opacity) * 100%), var(--md-list-row-fill, transparent));
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outline: 3px solid var(--md-sys-color-secondary);
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outline-offset: -3px;
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}
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[data-md-list-row]:not([data-md-card]):active:not(:has(:is(a, button, input, select, textarea, label, summary):not([data-md-list-open]):active)) {
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background-color: color-mix(in srgb, currentColor calc(var(--md-sys-state-pressed-state-layer-opacity) * 100%), var(--md-list-row-fill, transparent));
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}
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[data-md-list-row] [data-md-list-open]:focus-visible {
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outline: none;
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}
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[data-md-list='segmented'] > [data-md-list-item] {
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border-radius: var(--md-sys-shape-corner-xs);
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}
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[data-md-list='segmented'] > [data-md-list-item]:first-child {
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border-start-start-radius: var(--md-sys-shape-corner-lg);
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border-start-end-radius: var(--md-sys-shape-corner-lg);
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}
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[data-md-list='segmented'] > [data-md-list-item]:last-child {
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border-end-start-radius: var(--md-sys-shape-corner-lg);
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border-end-end-radius: var(--md-sys-shape-corner-lg);
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}
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@media (hover: hover) {
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[data-md-list='segmented'] > [data-md-list-item][data-md-list-row]:hover {
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border-radius: var(--md-sys-shape-corner-md);
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}
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}
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[data-md-list='segmented'] > [data-md-list-item]:is([data-md-selected], [data-md-list-row]:active, [data-md-list-row]:has([data-md-list-open]:focus-visible)) {
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border-radius: var(--md-sys-shape-corner-lg);
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}
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}
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