euv_ui/style/class/display/

fn.rs

use super::*;

#[cfg(not(feature = "theme-custom"))]
class! {
    pub c_card_title {
        margin: format!("{} 0px", var!(space-lg));
        color: var!(card-foreground);
        font-size: var!(font-lg);
        font-weight: var!(font-weight-semibold);
        letter-spacing: var!(letter-spacing-tight);
        @media ((max-width: 767px)) {
            font-size: var!(font-md);
        }
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Buttons
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_primary_button {
        display: "flex";
        justify-content: "center";
        align-items: "center";
        gap: var!(space-sm);
        width: "100%";
        height: var!(control-height);
        background: var!(primary);
        color: var!(primary-foreground);
        border: format!("{} solid transparent", var!(border-width));
        padding: format!("0px {}", var!(space-2xl));
        cursor: "pointer";
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        letter-spacing: var!(letter-spacing-normal);
        text-align: "center";
        outline: "none";
        box-sizing: "border-box";
        white-space: "nowrap";
        overflow: "hidden";
        text-overflow: "ellipsis";
        user-select: "none";
        -webkit-user-select: "none";
        :focus-visible {
            outline: "none";
        }
        :disabled {
            background: var!(muted-foreground);
            cursor: "not-allowed";
            opacity: "1";
        }
        :hover {
            background: var!(primary-hover);
        }
        :active {
            background: var!(primary);
            color: var!(primary-foreground);
            border-color: "transparent";
        }
        @media ((max-width: 767px)) {
            max-width: "100%";
            padding: format!("{} {}", var!(space-lg), var!(space-xl));
            font-size: var!(font-md);
        }
        border-radius: var!(radius-md);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Button Controls Container
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_button_controls {
        display: "flex";
        flex-wrap: "wrap";
        gap: var!(gap-element);
        margin-top: var!(gap-component);
        margin-bottom: var!(gap-component);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Euv Button Variants
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_euv_button_primary_md {
        display: "flex";
        justify-content: "center";
        align-items: "center";
        gap: var!(space-sm);
        flex: "1 1 120px";
        height: var!(control-height);
        padding: format!("0px {}", var!(space-xl));
        background: var!(primary);
        color: var!(primary-foreground);
        cursor: "pointer";
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        outline: "none";
        white-space: "nowrap";
        user-select: "none";
        -webkit-user-select: "none";
        box-sizing: "border-box";
        :disabled {
            background: var!(muted-foreground);
            cursor: "not-allowed";
            opacity: "1";
        }
        border-radius: var!(radius-md);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Status Boxes
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_error_box {
        margin: format!("{} 0px", var!(gap-component));
        background: var!(destructive);
        color: var!(destructive-foreground);
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        padding: format!("{} {}", var!(space-sm), var!(space-lg));
        border-radius: var!(radius-sm);
        box-sizing: "border-box";
    }

    pub c_success_box {
        margin: format!("{} 0px", var!(gap-component));
        background: var!(success);
        color: var!(success-foreground);
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        padding: format!("{} {}", var!(space-sm), var!(space-lg));
        border-radius: var!(radius-sm);
        box-sizing: "border-box";
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Counter / Signals Demo
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_counter_row {
        display: "grid";
        grid-template-columns: "1fr 1fr";
        align-items: "center";
        gap: var!(gap-component);
        @media ((max-width: 767px)) {
            grid-template-columns: "1fr";
        }
    }

    pub c_counter_text {
        font-size: var!(font-base);
        color: "inherit";
        margin-bottom: var!(gap-component);
    }

    pub c_counter_value {
        font-weight: var!(font-weight-bold);
        color: var!(primary);
        font-size: var!(font-base);
    }

    pub c_counter_value_row {
        margin-top: var!(space-sm);
        word-break: "break-all";
        overflow-wrap: "anywhere";
        font-size: var!(font-base);
        color: "inherit";
        font-weight: var!(font-weight-normal);
    }

    pub c_badge_row {
        display: "flex";
        gap: var!(gap-inline);
        flex-wrap: "wrap";
        align-items: "center";
    }

    pub c_badge_hint {
        margin-bottom: var!(gap-component);
        color: "inherit";
        opacity: "1";
        font-size: var!(font-base);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Tabs
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_tab_bar {
        display: "flex";
        border-bottom: format!("{} solid {}", var!(border-width), var!(border));
        margin-bottom: var!(gap-component);
        gap: var!(gap-element);
        @media ((max-width: 767px)) {
            flex-wrap: "wrap";
        }
    }

    pub c_tab_item_active {
        padding: format!("{} {}", var!(space-md), var!(space-xl));
        cursor: "pointer";
        border-bottom: format!("2px solid {}", var!(primary));
        color: var!(primary-foreground);
        background: var!(primary);
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        // iOS WebKit: tap on a non-button element inside a scrollable
        // container can be silently dropped because iOS interprets the
        // touch as the start of a scroll gesture and never dispatches the
        // synthetic `click`. `touch-action: manipulation` tells iOS this
        // element only responds to taps and panning — no double-tap-zoom
        // wait, no scroll-gesture disambiguation. `user-select: none`
        // additionally suppresses the iOS text-selection bubble that
        // would otherwise intercept the tap. See ui/src/style/css/fn.rs
        // for the global reset and PR that documents the iOS repro.
        touch-action: "manipulation";
        user-select: "none";
        -webkit-user-select: "none";
        border-radius: var!(radius-md);
    }

    pub c_tab_item_inactive {
        padding: format!("{} {}", var!(space-md), var!(space-xl));
        cursor: "pointer";
        border-bottom: "2px solid transparent";
        color: "inherit";
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        // iOS WebKit fix — see c_tab_item_active above for the rationale.
        touch-action: "manipulation";
        user-select: "none";
        -webkit-user-select: "none";
        :hover {
            background: var!(muted);
            color: var!(primary);
        }
        border-radius: var!(radius-md);
    }

    pub c_tab_content {
        padding: format!("{} 0px", var!(gap-element));
    }

    pub c_tab_text {
        color: "inherit";
        font-size: var!(font-base);
        margin-bottom: var!(gap-element);
    }

    pub c_tab_text_muted {
        color: "inherit";
        opacity: "1";
        font-size: var!(font-base);
    }

    pub c_tab_text_input {
        color: "inherit";
        font-size: var!(font-base);
        margin-bottom: var!(gap-component);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // List
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_list_input {
        width: "100%";
        flex: "1";
        height: "42px";
        padding: format!("0px {}", var!(space-lg));
        border: format!("{} solid {}", var!(border-width), var!(border));
        font-size: var!(font-base);
        line-height: "normal";
        box-sizing: "border-box";
        outline: "none";
        color: var!(foreground);
        appearance: "none";
        -webkit-appearance: "none";
        -moz-appearance: "none";
        vertical-align: "middle";
        :hover {
            border-color: var!(ring);
            background: var!(muted);
        }
        :focus {
            outline: "none";
            border-color: var!(ring);
            background: var!(muted);
        }
        border-radius: var!(radius-md);
    }

    pub c_list_input_error {
        width: "100%";
        flex: "1";
        height: "42px";
        padding: format!("0px {}", var!(space-lg));
        border: format!("{} solid {}", var!(border-width), var!(destructive));
        font-size: var!(font-base);
        line-height: "normal";
        box-sizing: "border-box";
        outline: "none";
        color: var!(foreground);
        appearance: "none";
        -webkit-appearance: "none";
        -moz-appearance: "none";
        vertical-align: "middle";
        :focus {
            outline: "none";
            border-color: var!(foreground);
        }
        border-radius: var!(radius-md);
    }

    pub c_list_error_text {
        color: var!(destructive);
        font-size: var!(font-base);
        margin: format!("{} 0px", var!(gap-element));
    }

    pub c_inline_input_button_wrap {
        flex-shrink: "0";
    }

    pub c_list_ul {
        list-style: "none";
        padding: "0px";
        margin: "0px";
        margin-top: var!(gap-component);
    }

    pub c_list_item {
        display: "flex";
        justify-content: "space-between";
        align-items: "center";
        gap: var!(gap-component);
        min-height: var!(control-height);
        margin: format!("{} 0px", var!(gap-element));
        border-radius: var!(radius-sm);
    }

    pub c_list_item_text {
        flex: "1";
        overflow: "hidden";
        text-overflow: "ellipsis";
        white-space: "nowrap";
        font-size: var!(font-base);
        color: "inherit";
        min-width: "0";
    }

    pub c_list_item_button {
        max-width: "120px";
        flex-shrink: "0";
        border-radius: var!(radius-sm);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Animation Demo
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_anim_fade_in {
        margin-top: var!(gap-component);
        animation: format!("euv-fade-in 0.5s {}", var!(ease-out));
        font-size: var!(font-base);
        color: "inherit";
    }

    pub c_anim_spin_container {
        display: "flex";
        justify-content: "center";
        align-items: "center";
        margin: format!("{} 0px", var!(space-lg));
        min-height: "80px";
    }

    pub c_anim_spin {
        font-size: var!(font-5xl);
        animation: "euv-spin 1.5s linear infinite";
        display: "inline-block";
        @media ((max-width: 767px)) {
            font-size: var!(font-4xl);
        }
    }

    pub c_anim_spin_stopped {
        font-size: var!(font-5xl);
        display: "inline-block";
        opacity: "1";
        @media ((max-width: 767px)) {
            font-size: var!(font-4xl);
        }
    }

    pub c_anim_pulse_container {
        display: "flex";
        justify-content: "center";
        align-items: "center";
        margin: format!("{} 0px", var!(space-lg));
        min-height: "80px";
    }

    pub c_anim_pulse {
        font-size: var!(font-5xl);
        animation: "euv-pulse 1.5s ease-in-out infinite";
        display: "inline-block";
        color: var!(foreground);
        @media ((max-width: 767px)) {
            font-size: var!(font-4xl);
        }
    }

    pub c_anim_pulse_stopped {
        font-size: var!(font-5xl);
        display: "inline-block";
        opacity: "1";
        color: var!(foreground);
        @media ((max-width: 767px)) {
            font-size: var!(font-4xl);
        }
    }

    pub c_progress_container {
        width: "100%";
        height: "12px";
        margin: format!("{} 0px", var!(space-lg));
        overflow: "hidden";
        border-radius: var!(radius-full);
    }

    pub c_progress_bar_running {
        height: "100%";
        background: var!(primary);
        animation: format!("euv-progress 1.6s {} forwards", var!(ease-in-out));
        border-radius: var!(radius-full);
    }

    pub c_progress_bar_stopped {
        height: "100%";
        background: var!(primary);
        width: "0%";
        border-radius: var!(radius-full);
    }

    pub c_anim_scale_box {
        margin: format!("{} 0px", var!(gap-component));
        padding: var!(space-xl);
        background: var!(primary);
        cursor: "pointer";
        transition: format!("transform {} {}", var!(duration-normal), var!(ease-out));
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Unified Layout Primitives
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_element_stack {
        display: "flex";
        flex-direction: "column";
        gap: var!(gap-element);
    }

    pub c_switcher {
        display: "flex";
        gap: var!(gap-component);
        flex-wrap: "wrap";
        @media ((max-width: 767px)) {
            flex-direction: "column";
            gap: var!(gap-component-mobile);
        }
    }

    pub c_switcher_col {
        flex: "1";
        min-width: "200px";
        @media ((max-width: 767px)) {
            min-width: "100%";
        }
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Unified Description / Hint Text
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_hint {
        color: "inherit";
        opacity: "1";
        font-size: var!(font-base);
        margin-bottom: var!(gap-component);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // euv_pagination
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_euv_pagination {
        // CSS grid with two equal columns gives us perfect 50/50 widths
        // regardless of the link content length, which flex with `1 1
        // auto` cannot (each link starts at its own content size). The
        // mobile breakpoint stacks the grid to a single column so each
        // link sizes to its content.
        display: "grid";
        grid-template-columns: "1fr 1fr";
        gap: var!(gap-component);
        // ~`space-2xl` (1.5rem) above the pagination — comfortable
        // breathing room without a huge gap before prev/next. The original
        // `space-4xl` (2.5rem) margin was doubled by a `padding-top` in the
        // docs app override, leaving ~100px of empty space above the
        // pagination boxes which made the page feel bottom-heavy.
        margin-top: var!(space-2xl);
        // `min-width: 0` lets prev/next text actually use ellipsis when the
        // container is narrow — without it the grid track blows out the row.
        min-width: "0px";
        @media ((max-width: 767px)) {
            grid-template-columns: "minmax(0, 1fr)";
        }
    }

    pub c_euv_pagination_link {
        // `min-width: 0` lets long labels ellipsize on the desktop row
        // layout. `overflow: hidden` is required to actually apply ellipsis
        // when content is wider than the link.
        min-width: "0px";
        border: format!("{} solid {}", var!(border-width), var!(border));
        padding: var!(space-lg);
        cursor: "pointer";
        display: "flex";
        flex-direction: "column";
        gap: var!(space-2xs);
        overflow: "hidden";
        :hover {
            border-color: var!(ring);
        }
        border-radius: var!(radius-md);
    }

    pub c_euv_footer {
        // Footer sits at the natural end of the article column. The user
        // reaches it by scrolling to the bottom of the article — no sticky
        // or fixed positioning. This matches the desktop behavior and
        // Avoid any layout interference on mobile (where a sticky footer
        // would overlap the last lines of content while scrolling).
        // No top margin: the preceding tail block already carries the gap
        // between the article and its pagination, so a margin here would
        // stack with it and leave the rule stranded below an empty band.
        // The dashed rule is this element's own `border-top`, so the
        // padding below is the gap from the rule to the text and the
        // padding above is the gap from the preceding content to the rule.
        // Only one of them belongs to the band inside the rule, and it is
        // the top one — that is the space between the divider and the text.
        // `space-md` keeps the text close to the rule; the block is
        // `display: flex` so the row is centred in the band the padding
        // defines rather than riding its top edge.
        padding: format!("{} 0px", var!(space-md));
        border-top: format!("{} solid {}", var!(border-width), var!(border));
        display: "flex";
        // One row: the text and the notices sit side by side and never
        // wrap. `align-items: center` keeps the badge on the text's
        // midline, and `overflow: hidden` keeps a long row inside the
        // column instead of pushing the page wider.
        flex-wrap: "nowrap";
        align-items: "center";
        justify-content: "center";
        gap: var!(space-md);
        text-align: "center";
        font-size: var!(font-sm);
        color: var!(muted-foreground);
        min-width: "0px";
        overflow: "hidden";
    }

    // One item of the footer row.
    //
    // `inline-block` rather than a flex box: the text is inline content
    // inside this box, so `text-overflow: ellipsis` can cut it with a
    // dot when the row is too narrow. A flex box would put the text in
    // an anonymous item that no selector can reach, and the text would
    // be clipped without a hint that it was cut.
    pub c_euv_footer_item {
        display: "inline-block";
        min-width: "0px";
        max-width: "100%";
        overflow: "hidden";
        text-overflow: "ellipsis";
        white-space: "nowrap";
        vertical-align: "middle";
    }

    // A linked item of the footer row.
    pub c_euv_footer_item_link {
        c_euv_footer_item();
        color: "inherit";
        text-decoration: "none";
        :hover {
            color: var!(primary);
        }
    }

    // The official badge that precedes a filing number.
    //
    // The height is the badge's own size (20px), so the picture is
    // served at its native resolution instead of being scaled by the
    // browser. The margin is the gap to the number: the link is an
    // inline box, so the gap cannot come from a flex `gap`.
    pub c_euv_footer_item_icon {
        display: "inline-block";
        height: var!(space-xl);
        width: "auto";
        vertical-align: "middle";
        margin-right: var!(space-2xs);
    }

    pub c_euv_doc_layout {
        display: "flex";
        gap: var!(space-4xl);
        width: "100%";
        min-width: "0px";
        max-width: "1080px";
        margin: "0px auto";
        // Fill the visible area of the scroll container (`c_app_main`,
        // `overflow: auto` with a definite `height: 100%`) so the content
        // column has room to push its tail to the bottom. A viewport unit
        // would be wrong here: `100vh` measures the whole window including
        // the app header, overshooting the visible area by the header
        // height and pushing pagination/footer one header past the fold.
        // Being a direct child of the scroll container, a percentage does
        // resolve against its content box — put it one level deeper and
        // the intermediate auto-height flex row makes `100%` degenerate to
        // `auto`.
        min-height: "100%";
        // As a flex item of the scroll container's column, the default
        // `flex-shrink: 1` lets this row be compressed to the `min-height`
        // floor — 824px here — even though its content is 12780px tall. A
        // sticky descendant can only travel inside its containing block, so
        // the clamped row made `c_euv_doc_toc` unpin after roughly one
        // viewport of scroll. Never shrink: the row must carry the article's
        // full height so the sticky range spans the whole page.
        flex-shrink: "0";
    }

    pub c_euv_doc_content {
        // Two parallel children — the article body and the
        // `c_euv_doc_tail` wrapper (pagination + footer). The flex column
        // distributes them at the two ends:
        //   - when the article is shorter than the column's intrinsic
        //     height, `justify-content: space-between` pushes the tail to
        //     the bottom edge;
        //   - when the article is longer, the tail sits right after the
        //     article in normal flow (because content height exceeds
        //     min-height, there's no remaining space to distribute).
        // The scroll container is `c_app_main` (`overflow: auto`), not the
        // window, so a viewport unit measures the whole window including the
        // app header. `100vh` therefore overshoots by the header height and
        // pushes the tail one header past the fold on a short page. Height
        // comes from `c_euv_doc_layout` (a direct child of the scroll
        // container, where a percentage resolves); here `align-items:
        // stretch` — the flex default — makes this column take that height
        // so `space-between` has the full column to distribute across.
        //   - article shorter than the column: `space-between` drops the
        //     tail to the bottom edge of the visible area;
        //   - article longer: the column grows with it and the tail follows
        //     the body in normal flow, scrolling with the page.
        flex: "1";
        min-width: "0px";
        max-width: var!(content-max-width);
        display: "flex";
        flex-direction: "column";
        justify-content: "space-between";
    }

    pub c_euv_doc_body {
        // Groups the page title and the rendered markdown into a single
        // flex item. Without this the column would hold the `<h1>` and
        // the `<article>` as two separate items, and
        // `justify-content: space-between` would push them apart — a wide
        // blank band between the title and the first paragraph on any
        // page whose body is shorter than the column.
        display: "flex";
        flex-direction: "column";
        // The body takes its natural height; only the tail is pushed to
        // the far end. `flex-shrink: 0` keeps a long body from being
        // compressed when the column is height-constrained.
        flex: "0 0 auto";
        min-width: "0px";
    }

    pub c_euv_doc_tail {
        // Plain block wrapper that groups pagination + footer into one
        // flex child. With `display: contents` the wrapper would be
        // skipped and the two siblings would behave as direct children
        // of `c_euv_doc_content` — breaking the two-parallel-containers
        // contract that `justify-content: space-between` relies on.
        display: "block";
    }

    pub c_euv_doc_toc {
        width: "200px";
        flex-shrink: "0";
        // Pin the TOC column to the viewport while the main content scrolls.
        // The sticky scroll container is `c_app_main` (the overflow:auto
        // wrapper), so this offset is measured from that container's top edge.
        // It tracks `padding-main-top` rather than a bare `0` so the pinned
        // column keeps the same breathing room below the container edge as the
        // article has below the same edge — the two columns stay on one
        // vertical rhythm instead of the TOC riding flush against the top.
        position: "sticky";
        top: var!(padding-main-top);
        @media ((max-width: 1100px)) {
            display: "none";
        }
    }

    // Makes the element's own box disappear while its children stay in the
    // parent's layout flow, so a wrapper can carry a key or a conditional
    // without contributing a box.
    //
    // The docs shell and page wrappers spelled this as an inline
    // `style: "display: contents"`; the rule is the same either way, but a
    // named class keeps the markup declarative and lets the browser cache it.
    pub c_euv_display_contents {
        display: "contents";
    }

    // ═══════════════════════════════════════════════════════════════════════
    // Home Page Layout
    // ═══════════════════════════════════════════════════════════════════════

    pub c_home_layout {
        // Mirrors `c_euv_doc_layout`: fill the visible area of the scroll
        // container (`c_app_main`, `overflow: auto` with a definite
        // `height: 100%`) so the column below has room to push its footer to
        // the bottom. A viewport unit would overshoot by the app header.
        //
        // As a flex item of the scroll container's column it must never be
        // shrunk below its content, or a tall home page collapses and the
        // sticky-free column loses its height floor.
        display: "flex";
        flex-direction: "column";
        width: "100%";
        min-width: "0px";
        min-height: "100%";
        flex-shrink: "0";
        margin: "0px auto";
        max-width: var!(content-max-width);
    }

    pub c_home_content {
        // Two parallel children — the content region (hero, stats, feature
        // grid, blocks) and `c_home_tail` (the footer). `space-between`
        // puts the footer at the far end of the column: on a short home page
        // it drops to the bottom of the visible area, and on a tall one it
        // follows the content in normal flow.
        flex: "1";
        min-width: "0px";
        display: "flex";
        flex-direction: "column";
        justify-content: "space-between";
    }

    pub c_home_body {
        // Groups hero + stats + grid + blocks into one flex item. Without
        // this wrapper `space-between` would distribute the free space
        // between the hero and the grid, tearing the title away from the
        // content it introduces.
        display: "flex";
        flex-direction: "column";
        flex-shrink: "0";
    }

    pub c_home_tail {
        // Plain block wrapper around the footer so the column keeps exactly
        // two children. A `display: contents` wrapper would be skipped and
        // the footer would become a direct flex item, which is the case this
        // structure exists to avoid.
        display: "block";
        flex-shrink: "0";
    }

    pub(crate) c_euv_tabs {
        display: "flex";
        flex-direction: "column";
        width: "100%";
    }

    pub(crate) c_euv_tabs_bar {
        display: "flex";
        background: var!(muted);
        border-radius: var!(radius-lg);
        padding: var!(space-xs);
        margin-bottom: var!(gap-component);
        gap: var!(space-xs);
        @media ((max-width: 767px)) {
            flex-wrap: "wrap";
        }
    }

    pub(crate) c_euv_tab_item {
        padding: format!("{} {}", var!(space-md), var!(space-xl));
        cursor: "pointer";
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        border-bottom: "2px solid transparent";
        color: "inherit";
        background: "transparent";
        touch-action: "manipulation";
        user-select: "none";
        -webkit-user-select: "none";
        white-space: "nowrap";
        :hover {
            background: var!(muted);
            color: var!(primary);
        }
        border-radius: var!(radius-md);
    }

    pub(crate) c_euv_tab_item_active {
        padding: format!("{} {}", var!(space-md), var!(space-xl));
        cursor: "pointer";
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        border-bottom: format!("2px solid {}", var!(primary));
        color: var!(primary-foreground);
        background: var!(primary);
        touch-action: "manipulation";
        user-select: "none";
        -webkit-user-select: "none";
        white-space: "nowrap";
        border-radius: var!(radius-md);
    }

    pub(crate) c_euv_tabs_panel {
        padding: format!("{} 0px", var!(gap-element));
    }

    pub(crate) c_euv_collapse_item {
        border-bottom: format!("{} solid {}", var!(border-width), var!(border));
    }

    pub(crate) c_euv_collapse_header {
        display: "flex";
        align-items: "center";
        gap: var!(space-sm);
        width: "100%";
        min-height: var!(control-height);
        padding: format!("{} 0px", var!(space-sm));
        cursor: "pointer";
        text-align: "left";
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        color: var!(foreground);
        background: "transparent";
        border: "none";
        outline: "none";
        touch-action: "manipulation";
        user-select: "none";
        -webkit-user-select: "none";
        :hover {
            background: var!(muted);
            color: var!(primary);
        }
    }

    pub(crate) c_euv_collapse_header_active {
        display: "flex";
        align-items: "center";
        gap: var!(space-sm);
        width: "100%";
        min-height: var!(control-height);
        padding: format!("{} 0px", var!(space-sm));
        cursor: "pointer";
        text-align: "left";
        font-size: var!(font-base);
        font-weight: var!(font-weight-semibold);
        color: var!(primary);
        background: var!(muted);
        border: "none";
        outline: "none";
        touch-action: "manipulation";
        user-select: "none";
        -webkit-user-select: "none";
    }

    pub(crate) c_euv_collapse_body {
        overflow: "hidden";
        font-size: var!(font-base);
        color: var!(foreground);
        transition: format!("max-height {} {}, opacity {} {}", var!(duration-normal), var!(ease-out), var!(duration-normal), var!(ease-out));
    }

    pub(crate) c_euv_collapse_body_open {
        overflow: "hidden";
        max-height: "none";
        opacity: "1";
        padding-bottom: var!(space-md);
        font-size: var!(font-base);
        color: var!(foreground);
        transition: format!("max-height {} {}, opacity {} {}", var!(duration-normal), var!(ease-out), var!(duration-normal), var!(ease-out));
    }

    pub(crate) c_euv_collapse_body_closed {
        overflow: "hidden";
        max-height: "0px";
        opacity: "0";
        font-size: var!(font-base);
        color: var!(foreground);
        transition: format!("max-height {} {}, opacity {} {}", var!(duration-normal), var!(ease-out), var!(duration-normal), var!(ease-out));
    }

    pub(crate) c_euv_breadcrumb {
        display: "flex";
        align-items: "center";
        flex-wrap: "wrap";
        gap: var!(space-xs);
        font-size: var!(font-sm);
    }

    pub(crate) c_euv_breadcrumb_item {
        font-size: var!(font-sm);
        color: var!(muted-foreground);
        cursor: "pointer";
        text-decoration: "none";
        touch-action: "manipulation";
        user-select: "none";
        -webkit-user-select: "none";
        :hover {
            background: var!(muted);
            color: var!(primary);
        }
    }

    pub(crate) c_euv_breadcrumb_sep {
        font-size: var!(font-sm);
        color: var!(muted-foreground);
        user-select: "none";
        -webkit-user-select: "none";
    }

    pub(crate) c_euv_breadcrumb_current {
        font-size: var!(font-sm);
        font-weight: var!(font-weight-semibold);
        color: var!(foreground);
        cursor: "default";
    }

    pub(crate) c_euv_divider {
        display: "block";
        width: "100%";
    }

    pub(crate) c_euv_divider_horizontal {
        display: "block";
        width: "100%";
        height: "0px";
        border: "none";
        border-top: format!("{} solid {}", var!(border-width), var!(border));
        margin: format!("{} 0px", var!(space-lg));
    }

    pub(crate) c_euv_divider_vertical {
        display: "block";
        width: "0px";
        height: "auto";
        align-self: "center";
        border: "none";
        border-left: format!("{} solid {}", var!(border-width), var!(border));
        margin: format!("0px {}", var!(space-sm));
    }

    pub(crate) c_euv_divider_labeled {
        display: "flex";
        align-items: "center";
        gap: var!(space-sm);
        width: "100%";
        margin: format!("{} 0px", var!(space-lg));
    }

    pub(crate) c_euv_divider_label_text {
        font-size: var!(font-xs);
        font-weight: var!(font-weight-medium);
        color: var!(muted-foreground);
        white-space: "nowrap";
        user-select: "none";
        -webkit-user-select: "none";
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Card Component
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_card {
        color: var!(card-foreground);
        background: var!(card);
        border: format!("{} solid {}", var!(surface-border-width), var!(border));
        box-shadow: var!(shadow-sm);
        padding: var!(space-2xl);
        box-sizing: "border-box";
        // The card title carries a `gap-component` margin, and that margin
        // collapses out of the card — the card has no padding and no border
        // to stop it. The gap between two cards was therefore whatever the
        // title's margin happened to be, not a value anybody chose. The
        // block gap is the value the page template asks for, so it is named
        // here instead of being left to a side effect.
        margin-top: var!(page-block-gap);
        @media ((max-width: 767px)) {
            margin-top: var!(page-block-gap-mobile);
        }
        border-radius: var!(radius-xl);
    }

    pub(crate) c_modal_close_button {
        display: "flex";
        justify-content: "center";
        align-items: "center";
        color: "inherit";
        border: "none";
        padding: format!("{} {}", var!(space-sm), var!(space-md));
        cursor: "pointer";
        font-size: "20px";
        font-weight: var!(font-weight-normal);
        vertical-align: "middle";
        outline: "none";
        opacity: "1";
        flex-shrink: "0";
        transition: format!("opacity {} {}", var!(duration-fast), var!(ease-out));
        :hover {
            opacity: "1";
        }
        :active {
            opacity: "1";
        }
        :focus {
            outline: "none";
        }
    }

    pub(crate) c_euv_button_outline_md {
        box-shadow: var!(shadow-xs);
        display: "flex";
        justify-content: "center";
        align-items: "center";
        gap: var!(space-sm);
        flex: "1 1 120px";
        height: "42px";
        padding: format!("0px {}", var!(space-xl));
        color: var!(foreground);
        background: var!(background);
        border: format!("{} solid {}", var!(border-width), var!(border));
        cursor: "pointer";
        font-size: var!(font-base);
        font-weight: var!(font-weight-medium);
        outline: "none";
        white-space: "nowrap";
        user-select: "none";
        -webkit-user-select: "none";
        box-sizing: "border-box";
        :hover {
            background: var!(secondary);
            color: var!(secondary-foreground);
        }
        :focus-visible {
            outline: "none";
        }
        :disabled {
            background: var!(muted-foreground);
            cursor: "not-allowed";
            opacity: "1";
        }
        border-radius: var!(radius-md);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Badges
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_badge {
        // The wrapping-atom recipe (§7): an inline flex box is atomic, so a
        // wrapped label left-aligns while the border stays at the parent
        // width — the right border reads as missing. The four `c_euv_tag_*`
        // variants already use this recipe; a badge is the same kind of
        // element and must not mix the two.
        display: "inline-block";
        vertical-align: "middle";
        text-align: "center";
        line-height: "1";
        box-sizing: "border-box";
        color: var!(primary-foreground);
        padding: format!("{} {}", var!(space-2xs), var!(space-sm));
        border: format!("{} solid {}", var!(border-width), var!(primary));
        font-size: var!(font-xs);
        font-weight: var!(font-weight-semibold);
        cursor: "pointer";
        background: var!(primary);
        :focus-visible {
            outline: "none";
        }
        @media ((max-width: 767px)) {
            padding: format!("{} {}", var!(space-2xs), var!(space-xs));
            font-size: var!(font-xs);
        }
        border-radius: var!(radius-full);
    }

    pub(crate) c_badge_outline {
        display: "inline-block";
        vertical-align: "middle";
        text-align: "center";
        line-height: "1";
        box-sizing: "border-box";
        color: var!(foreground);
        padding: format!("{} {}", var!(space-2xs), var!(space-sm));
        font-size: var!(font-xs);
        font-weight: var!(font-weight-semibold);
        cursor: "pointer";
        border: format!("1.5px solid {}", var!(border));
        @media ((max-width: 767px)) {
            padding: format!("{} {}", var!(space-2xs), var!(space-xs));
            font-size: var!(font-xs);
        }
        border-radius: var!(radius-full);
    }

    pub(crate) c_euv_tag_solid_black {
        display: "inline-block";
        vertical-align: "middle";
        text-align: "center";
        line-height: "1";
        color: var!(primary-foreground);
        padding: format!("{} {}", var!(space-xs), var!(space-md));
        font-size: var!(font-sm);
        font-weight: var!(font-weight-semibold);
        cursor: "pointer";
        background: var!(primary);
        border: format!("{} solid {}", var!(border-width), var!(primary));
        box-sizing: "border-box";
        border-radius: var!(radius-sm);
    }

    pub(crate) c_euv_tag_solid_white {
        display: "inline-block";
        vertical-align: "middle";
        text-align: "center";
        line-height: "1";
        color: var!(foreground);
        padding: format!("{} {}", var!(space-2xs), var!(space-sm));
        font-size: var!(font-xs);
        font-weight: var!(font-weight-semibold);
        cursor: "pointer";
        border: format!("1.5px solid {}", var!(primary));
        box-sizing: "border-box";
        border-radius: var!(radius-sm);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Euv Tag Variants (semantic colour tags)
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_tag_outline_black {
        display: "inline-block";
        vertical-align: "middle";
        text-align: "center";
        line-height: "1";
        color: var!(primary);
        padding: format!("{} {}", var!(space-2xs), var!(space-sm));
        font-size: var!(font-xs);
        font-weight: var!(font-weight-semibold);
        cursor: "pointer";
        border: format!("1.5px solid {}", var!(primary));
        box-sizing: "border-box";
        border-radius: var!(radius-sm);
    }

    pub(crate) c_euv_tag_outline_white {
        display: "inline-block";
        vertical-align: "middle";
        text-align: "center";
        line-height: "1";
        color: var!(foreground);
        padding: format!("{} {}", var!(space-xs), var!(space-md));
        font-size: var!(font-sm);
        font-weight: var!(font-weight-semibold);
        cursor: "pointer";
        border: format!("1.5px solid {}", var!(border));
        box-sizing: "border-box";
        border-radius: var!(radius-sm);
    }

    pub(crate) c_euv_pagination_label {
        font-size: var!(font-xs);
        color: var!(muted-foreground);
        text-transform: var!(text-transform-uppercase);
        letter-spacing: var!(letter-spacing-wide);
    }

    pub(crate) c_euv_pagination_text {
        font-size: var!(font-base);
        font-weight: var!(font-weight-semibold);
        color: var!(primary);
        // Ellipsize when the link is too narrow for the page title. The
        // outer `.c_euv_pagination_link` already sets `overflow: hidden`
        // and `min-width: 0`, so a single `text-overflow: ellipsis` here
        // is enough — without `white-space: nowrap` the text wraps to
        // multiple lines and the ellipsis never kicks in.
        white-space: "nowrap";
        overflow: "hidden";
        text-overflow: "ellipsis";
        min-width: "0px";
    }

    pub(crate) c_euv_pagination_next {
        text-align: "right";
    }

    pub(crate) c_euv_pagination_spacer {
        flex: "1";
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // euv_markdown / euv_footer
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_markdown {
        width: "100%";
        min-width: "0px";
    }

    // Scroll container for a markdown table.
    //
    // The table keeps `display: table` (so it fills the column and its
    // columns are sized by real table layout), which means the *wrapper*
    // is what can scroll: `overflow-x` on the table box itself is ignored.
    // `min-width: 0` is what lets the wrapper shrink inside the flex/grid
    // prose column instead of being floored by its table's intrinsic width,
    // so a wide table scrolls rather than pushing the whole article wide.
    pub(crate) c_euv_markdown_table_scroll {
        overflow-x: "auto";
        max-width: "100%";
        min-width: "0px";
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // euv_result / euv_doc_layout
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_result {
        display: "flex";
        flex-direction: "column";
        align-items: "center";
        justify-content: "center";
        text-align: "center";
        gap: var!(space-md);
        padding: format!("{} {}", var!(space-4xl), var!(space-md));
        // Half the available height, not half the viewport: the result block
        // lives inside a scroll container, so a viewport unit would be taller
        // than the visible area on short pages and leave the buttons below
        // the fold.
        min-height: "50%";
    }

    pub(crate) c_euv_result_code {
        font-size: var!(font-6xl);
        font-weight: var!(font-weight-bold);
        line-height: "1";
        letter-spacing: var!(letter-spacing-tight);
    }

    pub(crate) c_euv_result_title {
        font-size: var!(font-2xl);
        font-weight: var!(font-weight-semibold);
        margin: "0px";
    }

    pub(crate) c_euv_result_description {
        color: var!(muted-foreground);
        margin: "0px";
    }

    pub(crate) c_euv_result_actions {
        display: "flex";
        gap: var!(space-md);
        margin-top: var!(space-lg);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Empty
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_empty {
        display: "flex";
        flex-direction: "column";
        align-items: "center";
        justify-content: "center";
        gap: var!(space-sm);
        width: "100%";
        padding: var!(space-3xl);
        box-sizing: "border-box";
        text-align: "center";
    }

    pub(crate) c_euv_empty_icon {
        font-size: var!(font-3xl);
        line-height: "1";
        color: var!(muted-foreground);
    }

    pub(crate) c_euv_empty_text {
        font-size: var!(font-lg);
        font-weight: var!(font-weight-semibold);
        color: var!(foreground);
    }

    pub(crate) c_euv_empty_desc {
        font-size: var!(font-sm);
        color: var!(muted-foreground);
        max-width: var!(text-measure);
    }

    pub(crate) c_euv_empty_action {
        margin-top: var!(space-sm);
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Typography
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_text {
        margin: "0px";
        color: var!(foreground);
        font-size: var!(font-base);
        line-height: "1.6";
    }

    pub(crate) c_euv_text_title {
        margin: "0px";
        color: var!(foreground);
        font-size: var!(font-xl);
        font-weight: var!(font-weight-semibold);
        line-height: "1.4";
    }

    pub(crate) c_euv_text_title_lg {
        margin: "0px";
        color: var!(foreground);
        font-size: var!(font-2xl);
        font-weight: var!(font-weight-semibold);
        line-height: "1.35";
    }

    pub(crate) c_euv_text_title_sm {
        margin: "0px";
        color: var!(foreground);
        font-size: var!(font-lg);
        font-weight: var!(font-weight-semibold);
        line-height: "1.4";
    }

    pub(crate) c_euv_text_paragraph {
        margin: "0px";
        color: var!(foreground);
        font-size: var!(font-base);
        line-height: "1.6";
    }

    pub(crate) c_euv_text_secondary {
        margin: "0px";
        color: var!(muted-foreground);
        font-size: var!(font-sm);
        line-height: "1.6";
    }

    pub(crate) c_euv_text_mono {
        margin: "0px";
        color: var!(foreground);
        font-size: var!(font-sm);
        font-family: var!(font-family-mono);
        line-height: "1.5";
    }

    pub(crate) c_euv_text_deletion {
        margin: "0px";
        color: var!(muted-foreground);
        font-size: var!(font-base);
        text-decoration: "line-through";
        line-height: "1.6";
    }

    pub(crate) c_euv_text_underline {
        margin: "0px";
        color: var!(foreground);
        font-size: var!(font-base);
        text-decoration: "underline";
        line-height: "1.6";
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Link
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_link {
        display: "inline";
        color: var!(foreground);
        font-size: var!(font-base);
        text-decoration: "underline";
        text-underline-offset: "2px";
        cursor: "pointer";
        touch-action: "manipulation";
        :hover {
            color: var!(muted-foreground);
        }
    }

    pub(crate) c_euv_link_disabled {
        display: "inline";
        color: var!(muted-foreground);
        font-size: var!(font-base);
        text-decoration: "none";
        cursor: "not-allowed";
        opacity: "0.5";
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Image
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_image {
        display: "block";
        max-width: "100%";
        height: "auto";
        border: "none";
        background: "transparent";
    }

    pub(crate) c_euv_image_placeholder {
        display: "flex";
        align-items: "center";
        justify-content: "center";
        width: "100%";
        min-height: var!(control-height);
        padding: var!(space-md);
        border: format!("{} solid {}", var!(border-width), var!(border));
        background: var!(background);
        color: var!(muted-foreground);
        font-size: var!(font-sm);
        text-align: "center";
        box-sizing: "border-box";
    }

    pub(crate) c_euv_image_failed {
        display: "flex";
        align-items: "center";
        justify-content: "center";
        width: "100%";
        min-height: var!(control-height);
        padding: var!(space-md);
        border: format!("{} solid {}", var!(border-width), var!(border));
        background: var!(background);
        color: var!(muted-foreground);
        font-size: var!(font-sm);
        text-align: "center";
        box-sizing: "border-box";
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Carousel
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_carousel {
        position: "relative";
        display: "flex";
        flex-direction: "column";
        width: "100%";
        overflow: "hidden";
    }

    pub(crate) c_euv_carousel_track {
        display: "flex";
        flex-direction: "row";
        width: "100%";
        transition: format!("transform {} {}", var!(duration-normal), var!(ease-out));
    }

    pub(crate) c_euv_carousel_slide {
        flex: "0 0 100%";
        width: "100%";
        min-width: "100%";
        box-sizing: "border-box";
    }

    pub(crate) c_euv_carousel_dots {
        display: "flex";
        align-items: "center";
        justify-content: "center";
        gap: var!(space-sm);
        padding-top: var!(space-sm);
    }

    pub(crate) c_euv_carousel_dot {
        width: var!(space-sm);
        height: var!(space-sm);
        padding: "0px";
        border: format!("{} solid {}", var!(border-width), var!(border));
        border-radius: var!(radius-full);
        background: var!(background);
        cursor: "pointer";
        touch-action: "manipulation";
        :hover {
            background: var!(muted);
        }
    }

    pub(crate) c_euv_carousel_dot_active {
        width: var!(space-sm);
        height: var!(space-sm);
        padding: "0px";
        border: format!("{} solid {}", var!(border-width), var!(border));
        border-radius: var!(radius-full);
        background: var!(primary);
        cursor: "pointer";
        touch-action: "manipulation";
        :hover {
            background: var!(primary);
        }
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Anchor
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_anchor {
        display: "flex";
        flex-direction: "column";
        gap: var!(space-xs);
        width: "100%";
    }

    pub(crate) c_euv_anchor_title {
        font-size: var!(font-sm);
        font-weight: var!(font-weight-semibold);
        color: var!(foreground);
        margin-bottom: var!(space-xs);
    }

    pub(crate) c_euv_anchor_link {
        display: "block";
        padding: format!("{} 0px", var!(space-2xs));
        color: var!(muted-foreground);
        font-size: var!(font-sm);
        text-decoration: "none";
        cursor: "pointer";
        touch-action: "manipulation";
        :hover {
            color: var!(foreground);
        }
    }

    pub(crate) c_euv_anchor_link_active {
        display: "block";
        padding: format!("{} 0px", var!(space-2xs));
        color: var!(foreground);
        font-size: var!(font-sm);
        font-weight: var!(font-weight-semibold);
        text-decoration: "none";
        cursor: "pointer";
        touch-action: "manipulation";
        :hover {
            color: var!(foreground);
        }
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Watermark
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_watermark {
        position: "relative";
        display: "block";
        width: "100%";
    }

    pub(crate) c_euv_watermark_layer {
        position: "absolute";
        top: "0px";
        left: "0px";
        right: "0px";
        bottom: "0px";
        z-index: "1";
        display: "flex";
        align-items: "center";
        justify-content: "center";
        overflow: "hidden";
        pointer-events: "none";
    }

    pub(crate) c_euv_watermark_text {
        color: var!(muted-foreground);
        font-size: var!(font-2xl);
        font-weight: var!(font-weight-bold);
        letter-spacing: var!(letter-spacing-wide);
        opacity: "0.12";
        transform: "rotate(-22deg)";
        user-select: "none";
        -webkit-user-select: "none";
        white-space: "nowrap";
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Back To Top
    // ═══════════════════════════════════════════════════════════════════════════


    pub(crate) c_euv_back_top_visible {
        position: "fixed";
        right: var!(space-xl);
        bottom: var!(space-xl);
        z-index: "900";
        display: "flex";
        align-items: "center";
        justify-content: "center";
        width: "40px";
        height: "40px";
        padding: "0px";
        border: format!("{} solid {}", var!(border-width), var!(border));
        background: var!(background);
        color: var!(foreground);
        font-size: var!(font-sm);
        line-height: "1";
        cursor: "pointer";
        box-shadow: var!(shadow-sm);
        touch-action: "manipulation";
        :hover {
            background: var!(muted);
            color: var!(primary);
        }
        @media ((max-width: 767px)) {
            right: var!(space-lg);
            bottom: var!(space-lg);
        }
    }

    pub(crate) c_euv_back_top_hidden {
        position: "fixed";
        right: var!(space-xl);
        bottom: var!(space-xl);
        z-index: "900";
        display: "none";
        align-items: "center";
        justify-content: "center";
        width: "40px";
        height: "40px";
        padding: "0px";
        border: format!("{} solid {}", var!(border-width), var!(border));
        background: var!(background);
        color: var!(foreground);
        font-size: var!(font-sm);
        line-height: "1";
        cursor: "pointer";
        box-shadow: var!(shadow-sm);
        touch-action: "manipulation";
        :hover {
            background: var!(muted);
            color: var!(primary);
        }
        @media ((max-width: 767px)) {
            right: var!(space-lg);
            bottom: var!(space-lg);
        }
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Splitter
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_splitter {
        display: "flex";
        align-items: "stretch";
        width: "100%";
        height: "100%";
        min-height: "0px";
    }

    pub(crate) c_euv_splitter_pane {
        flex: "1";
        min-width: "0px";
        min-height: "0px";
        overflow: "auto";
    }

    pub(crate) c_euv_splitter_bar {
        flex: "0 0 6px";
        align-self: "stretch";
        background: var!(border);
        cursor: "col-resize";
        touch-action: "none";
        user-select: "none";
        -webkit-user-select: "none";
        :hover {
            background: var!(primary);
        }
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Grid
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_grid {
        display: "flex";
        flex-wrap: "wrap";
        width: "100%";
        box-sizing: "border-box";
    }

    // A grid row that spaces its columns.
    //
    // The spacing is padding on the columns, not a `gap` on the row: a
    // column's width is a percentage of the row, so a gap would be
    // added on top of a row that already sums to a hundred percent and
    // push the last column onto a second line. The row pulls itself
    // out by half the gutter and the columns pad themselves back in, so
    // the columns still add up to the row's full width.
    pub(crate) c_euv_grid_gutter {
        display: "flex";
        flex-wrap: "wrap";
        width: "100%";
        box-sizing: "border-box";
        margin-left: {
            format!("calc({} / -2)", var!(gap-component))
        };
        margin-right: {
            format!("calc({} / -2)", var!(gap-component))
        };
    }

    // A grid column. The width is a share of the row, and the caller
    // sets it inline, so a row's columns add up exactly whatever their
    // span.
    pub(crate) c_euv_grid_col {
        display: "block";
        flex: "0 0 auto";
        box-sizing: "border-box";
        min-width: "0px";
    }

    // A grid column inside a spaced row. The column keeps its share of
    // the row and takes half the gutter as padding on each side, which
    // is what opens the space between two columns.
    pub(crate) c_euv_grid_gutter_col {
        display: "block";
        flex: "0 0 auto";
        box-sizing: "border-box";
        min-width: "0px";
        padding-left: {
            format!("calc({} / 2)", var!(gap-component))
        };
        padding-right: {
            format!("calc({} / 2)", var!(gap-component))
        };
    }

    // A grid column that is pushed to the right by an offset. The
    // offset's size is set inline, like the column's own width.
    pub(crate) c_euv_grid_col_offset {
        display: "block";
        flex: "0 0 auto";
        box-sizing: "border-box";
        min-width: "0px";
    }

    // A grid column inside a spaced row that is also pushed to the
    // right by an offset. It is the spaced column and the offset
    // column at once: the padding that opens the gutter and the offset
    // that pushes the column along the row.
    pub(crate) c_euv_grid_gutter_col_offset {
        display: "block";
        flex: "0 0 auto";
        box-sizing: "border-box";
        min-width: "0px";
        padding-left: {
            format!("calc({} / 2)", var!(gap-component))
        };
        padding-right: {
            format!("calc({} / 2)", var!(gap-component))
        };
    }

    // ═══════════════════════════════════════════════════════════════════════════
    // Affix
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_affix {
        position: "sticky";
        z-index: "10";
        width: "100%";
        box-sizing: "border-box";
    }
}

#[cfg(feature = "theme-custom")]
class! {
    pub c_card_title {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Buttons
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_primary_button {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Button Controls Container
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_button_controls {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Euv Button Variants
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_euv_button_primary_md {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Status Boxes
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_error_box {}

    pub c_success_box {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Counter / Signals Demo
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_counter_row {}

    pub c_counter_text {}

    pub c_counter_value {}

    pub c_counter_value_row {}

    pub c_badge_row {}

    pub c_badge_hint {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Tabs
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_tab_bar {}

    pub c_tab_item_active {}

    pub c_tab_item_inactive {}

    pub c_tab_content {}

    pub c_tab_text {}

    pub c_tab_text_muted {}

    pub c_tab_text_input {}

    // ═══════════════════════════════════════════════════════════════════════════
    // List
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_list_input {}

    pub c_list_input_error {}

    pub c_list_error_text {}

    pub c_inline_input_button_wrap {}

    pub c_list_ul {}

    pub c_list_item {}

    pub c_list_item_text {}

    pub c_list_item_button {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Animation Demo
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_anim_fade_in {}

    pub c_anim_spin_container {}

    pub c_anim_spin {}

    pub c_anim_spin_stopped {}

    pub c_anim_pulse_container {}

    pub c_anim_pulse {}

    pub c_anim_pulse_stopped {}

    pub c_progress_container {}

    pub c_progress_bar_running {}

    pub c_progress_bar_stopped {}

    pub c_anim_scale_box {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Unified Layout Primitives
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_element_stack {}

    pub c_switcher {}

    pub c_switcher_col {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Unified Description / Hint Text
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_hint {}

    // ═══════════════════════════════════════════════════════════════════════════
    // euv_pagination
    // ═══════════════════════════════════════════════════════════════════════════

    pub c_euv_pagination {}

    pub c_euv_pagination_link {}

    pub c_euv_footer {}

    // One item of the footer row.
    //
    // `inline-block` rather than a flex box: the text is inline content
    // inside this box, so `text-overflow: ellipsis` can cut it with a
    // dot when the row is too narrow. A flex box would put the text in
    // an anonymous item that no selector can reach, and the text would
    // be clipped without a hint that it was cut.
    pub c_euv_footer_item {}

    // A linked item of the footer row.
    pub c_euv_footer_item_link {}

    // The official badge that precedes a filing number.
    //
    // The height is the badge's own size (20px), so the picture is
    // served at its native resolution instead of being scaled by the
    // browser. The margin is the gap to the number: the link is an
    // inline box, so the gap cannot come from a flex `gap`.
    pub c_euv_footer_item_icon {}

    pub c_euv_doc_layout {}

    pub c_euv_doc_content {}

    pub c_euv_doc_body {}

    pub c_euv_doc_tail {}

    pub c_euv_doc_toc {}

    // Makes the element's own box disappear while its children stay in the
    // parent's layout flow, so a wrapper can carry a key or a conditional
    // without contributing a box.
    //
    // The docs shell and page wrappers spelled this as an inline
    // `style: "display: contents"`; the rule is the same either way, but a
    // named class keeps the markup declarative and lets the browser cache it.
    pub c_euv_display_contents {}

    // ═══════════════════════════════════════════════════════════════════════
    // Home Page Layout
    // ═══════════════════════════════════════════════════════════════════════

    pub c_home_layout {}

    pub c_home_content {}

    pub c_home_body {}

    pub c_home_tail {}

    pub(crate) c_euv_tabs {}

    pub(crate) c_euv_tabs_bar {}

    pub(crate) c_euv_tab_item {}

    pub(crate) c_euv_tab_item_active {}

    pub(crate) c_euv_tabs_panel {}

    pub(crate) c_euv_collapse_item {}

    pub(crate) c_euv_collapse_header {}

    pub(crate) c_euv_collapse_header_active {}

    pub(crate) c_euv_collapse_body {}

    pub(crate) c_euv_collapse_body_open {}

    pub(crate) c_euv_collapse_body_closed {}

    pub(crate) c_euv_breadcrumb {}

    pub(crate) c_euv_breadcrumb_item {}

    pub(crate) c_euv_breadcrumb_sep {}

    pub(crate) c_euv_breadcrumb_current {}

    pub(crate) c_euv_divider {}

    pub(crate) c_euv_divider_horizontal {}

    pub(crate) c_euv_divider_vertical {}

    pub(crate) c_euv_divider_labeled {}

    pub(crate) c_euv_divider_label_text {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Card Component
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_card {}

    pub(crate) c_modal_close_button {}

    pub(crate) c_euv_button_outline_md {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Badges
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_badge {}

    pub(crate) c_badge_outline {}

    pub(crate) c_euv_tag_solid_black {}

    pub(crate) c_euv_tag_solid_white {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Euv Tag Variants (semantic colour tags)
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_tag_outline_black {}

    pub(crate) c_euv_tag_outline_white {}

    pub(crate) c_euv_pagination_label {}

    pub(crate) c_euv_pagination_text {}

    pub(crate) c_euv_pagination_next {}

    pub(crate) c_euv_pagination_spacer {}

    // ═══════════════════════════════════════════════════════════════════════════
    // euv_markdown / euv_footer
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_markdown {}

    // Scroll container for a markdown table.
    //
    // The table keeps `display: table` (so it fills the column and its
    // columns are sized by real table layout), which means the *wrapper*
    // is what can scroll: `overflow-x` on the table box itself is ignored.
    // `min-width: 0` is what lets the wrapper shrink inside the flex/grid
    // prose column instead of being floored by its table's intrinsic width,
    // so a wide table scrolls rather than pushing the whole article wide.
    pub(crate) c_euv_markdown_table_scroll {}

    // ═══════════════════════════════════════════════════════════════════════════
    // euv_result / euv_doc_layout
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_result {}

    pub(crate) c_euv_result_code {}

    pub(crate) c_euv_result_title {}

    pub(crate) c_euv_result_description {}

    pub(crate) c_euv_result_actions {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Empty
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_empty {}

    pub(crate) c_euv_empty_icon {}

    pub(crate) c_euv_empty_text {}

    pub(crate) c_euv_empty_desc {}

    pub(crate) c_euv_empty_action {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Typography
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_text {}

    pub(crate) c_euv_text_title {}

    pub(crate) c_euv_text_title_lg {}

    pub(crate) c_euv_text_title_sm {}

    pub(crate) c_euv_text_paragraph {}

    pub(crate) c_euv_text_secondary {}

    pub(crate) c_euv_text_mono {}

    pub(crate) c_euv_text_deletion {}

    pub(crate) c_euv_text_underline {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Link
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_link {}

    pub(crate) c_euv_link_disabled {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Image
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_image {}

    pub(crate) c_euv_image_placeholder {}

    pub(crate) c_euv_image_failed {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Carousel
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_carousel {}

    pub(crate) c_euv_carousel_track {}

    pub(crate) c_euv_carousel_slide {}

    pub(crate) c_euv_carousel_dots {}

    pub(crate) c_euv_carousel_dot {}

    pub(crate) c_euv_carousel_dot_active {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Anchor
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_anchor {}

    pub(crate) c_euv_anchor_title {}

    pub(crate) c_euv_anchor_link {}

    pub(crate) c_euv_anchor_link_active {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Watermark
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_watermark {}

    pub(crate) c_euv_watermark_layer {}

    pub(crate) c_euv_watermark_text {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Back To Top
    // ═══════════════════════════════════════════════════════════════════════════


    pub(crate) c_euv_back_top_visible {}

    pub(crate) c_euv_back_top_hidden {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Splitter
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_splitter {}

    pub(crate) c_euv_splitter_pane {}

    pub(crate) c_euv_splitter_bar {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Grid
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_grid {}

    // A grid row that spaces its columns.
    //
    // The spacing is padding on the columns, not a `gap` on the row: a
    // column's width is a percentage of the row, so a gap would be
    // added on top of a row that already sums to a hundred percent and
    // push the last column onto a second line. The row pulls itself
    // out by half the gutter and the columns pad themselves back in, so
    // the columns still add up to the row's full width.
    pub(crate) c_euv_grid_gutter {}

    // A grid column. The width is a share of the row, and the caller
    // sets it inline, so a row's columns add up exactly whatever their
    // span.
    pub(crate) c_euv_grid_col {}

    // A grid column inside a spaced row. The column keeps its share of
    // the row and takes half the gutter as padding on each side, which
    // is what opens the space between two columns.
    pub(crate) c_euv_grid_gutter_col {}

    // A grid column that is pushed to the right by an offset. The
    // offset's size is set inline, like the column's own width.
    pub(crate) c_euv_grid_col_offset {}

    // A grid column inside a spaced row that is also pushed to the
    // right by an offset. It is the spaced column and the offset
    // column at once: the padding that opens the gutter and the offset
    // that pushes the column along the row.
    pub(crate) c_euv_grid_gutter_col_offset {}

    // ═══════════════════════════════════════════════════════════════════════════
    // Affix
    // ═══════════════════════════════════════════════════════════════════════════

    pub(crate) c_euv_affix {}
}