198 lines
8.4 KiB
Plaintext
198 lines
8.4 KiB
Plaintext
---
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import type { HTMLAttributes } from "astro/types";
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import { Icon } from "astro-icon/components";
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interface Props extends HTMLAttributes<"div"> {
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storageKey?: string;
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rootSelector?: string; // where to toggle theme, e.g. "html"
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compact?: boolean; // smaller trigger button
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darkBgClass?: string[]; // non–pure-black dark background class
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lightBgClass?: string[]; // light background class
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rootExtraClass?: string; // always-on root class (optional)
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showLabel?: boolean; // show text next to icon in trigger
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}
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const {
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storageKey = "wr-theme",
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rootSelector = "html",
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compact = false,
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darkBgClass = ["wr-theme-dark-soft"],
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lightBgClass = ["wr-theme-light"],
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rootExtraClass = "",
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showLabel = false,
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class: className,
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...rest
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}: Props = Astro.props;
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const iconBtn =
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"wr:py-3 wr:px-4 wr:inline-flex wr:items-center wr:gap-x-2 wr:text-sm wr:font-medium wr:rounded-lg wr:border wr:border-gray-200 wr:bg-white wr:text-gray-800 wr:shadow-2xs wr:hover:bg-gray-50 wr:focus:outline-hidden wr:focus:bg-gray-50 wr:disabled:opacity-50 wr:disabled:pointer-events-none wr:dark:bg-neutral-800 wr:dark:border-neutral-700 wr:dark:text-white wr:dark:hover:bg-neutral-700 wr:dark:focus:bg-neutral-700";
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const menuBtn =
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"wr:py-3 wr:px-4 wr:inline-flex wr:items-center wr:gap-x-2 wr:text-sm wr:font-medium wr:rounded-lg wr:border wr:border-gray-200 wr:bg-white wr:text-gray-800 wr:shadow-2xs wr:hover:bg-gray-50 wr:focus:outline-hidden wr:focus:bg-gray-50 wr:disabled:opacity-50 wr:disabled:pointer-events-none wr:dark:bg-neutral-800 wr:dark:border-neutral-700 wr:dark:text-white wr:dark:hover:bg-neutral-700 wr:dark:focus:bg-neutral-700";
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const item =
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"wr:flex wr:items-center wr:gap-3 wr:w-full wr:px-3 wr:py-2.5 wr:rounded-lg wr:text-sm wr:hover:bg-muted/70 wr:transition wr:duration-150";
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const icon = "wr:size-4";
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const checkBase = "wr:size-4 wr:opacity-0 wr:scale-90 wr:transition";
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const containerId = `ts-${Math.random().toString(36).slice(2)}`;
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---
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<div id={containerId} class={["wr:relative", className].join(" ")} {...rest}>
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<!-- Trigger: icon-only by default; set showLabel=true to include text -->
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<button
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type="button"
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class={showLabel ? menuBtn : [iconBtn, compact && "wr:h-8 wr:w-8"].filter(Boolean).join(" ")}
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data-menu-trigger
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aria-haspopup="menu"
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aria-expanded="false"
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title="Theme"
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>
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<span class="wr:inline-flex wr:items-center wr:gap-2">
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<span data-current-icon="light" class="wr:inline"><Icon name="mdi:weather-sunny" class={icon} /></span>
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<span data-current-icon="dark" class="wr:hidden"><Icon name="mdi:weather-night" class={icon} /></span>
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<span data-current-icon="system" class="wr:hidden"><Icon name="mdi:laptop" class={icon} /></span>
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{showLabel && <span data-current-label class="wr:text-sm wr:font-medium">System</span>}
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</span>
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{showLabel && <Icon name="mdi:chevron-down" class="wr:size-4 wr:opacity-70" />}
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</button>
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<!-- Dropdown -->
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<div
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class="wr:absolute wr:right-0 wr:z-50 wr:w-56 wr:border-border wr:bg-popover/90 wr:backdrop-blur-md wr:text-popover-foreground wr:p-1.5 wr:origin-top-right wr:scale-95 wr:duration-150 wr:ease-out wr:transition-[opacity,margin] wr:border wr:border-gray-100 wr:duration wr:hs-dropdown-open:opacity-100 wr:opacity-0 wr:hidden wr:min-w-60 wr:bg-white wr:shadow-md wr:rounded-lg wr:mt-2 wr:dark:bg-neutral-800 wr:dark:border wr:dark:border-neutral-700 wr:dark:divide-neutral-700 wr:after:h-4 wr:after:absolute wr:after:-bottom-4 wr:after:start-0 wr:after:w-full wr:before:h-4 wr:before:absolute wr:before:-top-4 wr:before:start-0 wr:before:w-full"
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role="menu"
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aria-label="Theme"
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data-menu-panel
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>
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<button type="button" role="menuitemradio" aria-checked="false" class={item} data-set-theme="light">
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<Icon name="mdi:weather-sunny" class={icon} />
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<div class="wr:flex-1 wr:font-medium">Light</div>
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<Icon name="mdi:check" class={checkBase} data-check />
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</button>
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<button type="button" role="menuitemradio" aria-checked="false" class={item} data-set-theme="dark">
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<Icon name="mdi:weather-night" class={icon} />
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<div class="wr:flex-1 wr:font-medium">Dark</div>
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<Icon name="mdi:check" class={checkBase} data-check />
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</button>
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<button type="button" role="menuitemradio" aria-checked="true" class={item} data-set-theme="system">
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<Icon name="mdi:laptop" class={icon} />
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<div class="wr:flex-1 wr:font-medium">System</div>
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<Icon name="mdi:check" class={checkBase} data-check />
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</button>
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</div>
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</div>
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<script is:inline define:vars={{ containerId, storageKey, rootSelector, darkBgClass, lightBgClass, rootExtraClass }}>
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(() => {
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const host = document.getElementById(containerId);
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if (!host) return;
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const root = rootSelector === "html"
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? document.documentElement
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: document.querySelector(rootSelector) || document.documentElement;
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const mql = window.matchMedia("(prefers-color-scheme: dark)");
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let lastThemeClasses = [];
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function setRootClasses(list) {
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lastThemeClasses.forEach(c => c && root.classList.remove(c));
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list.filter(Boolean).forEach(c => root.classList.add(c));
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lastThemeClasses = list.filter(Boolean);
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}
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function reflectUI(mode) {
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// Trigger icon + optional label
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const trig = host.querySelector("[data-menu-trigger]");
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if (trig) {
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const labelSpan = trig.querySelector("[data-current-label]");
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if (labelSpan) labelSpan.textContent = mode[0].toUpperCase() + mode.slice(1);
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trig.querySelectorAll("[data-current-icon]").forEach(el => {
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const is = el.getAttribute("data-current-icon") === mode;
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el.classList.toggle("wr:hidden", !is);
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el.classList.toggle("wr:inline", is);
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});
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}
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// Menu radios & checks
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const panel = host.querySelector("[data-menu-panel]");
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if (panel) {
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panel.querySelectorAll("[role='menuitemradio']").forEach(item => {
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const active = item.getAttribute("data-set-theme") === mode;
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item.setAttribute("aria-checked", active ? "true" : "false");
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item.classList.toggle("wr:bg-muted/60", active);
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});
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}
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}
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function openMenu(open) {
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const trigger = host.querySelector("[data-menu-trigger]");
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const panel = host.querySelector("[data-menu-panel]");
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trigger?.setAttribute("aria-expanded", open ? "true" : "false");
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if (!panel) return;
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if (open) {
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panel.classList.remove("wr:hidden");
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requestAnimationFrame(() => {
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panel.classList.remove("wr:scale-95","wr:opacity-0");
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panel.classList.add("wr:scale-100","wr:opacity-100");
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});
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} else {
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panel.classList.add("wr:scale-95","wr:opacity-0");
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setTimeout(() => panel.classList.add("wr:hidden"), 150);
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}
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}
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function apply(mode) {
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const resolved = mode === "system" ? (mql.matches ? "dark" : "light") : mode;
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root.classList.toggle("dark", resolved === "dark");
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root.setAttribute("data-theme", resolved);
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document.documentElement.style.colorScheme = resolved;
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setRootClasses([rootExtraClass, ...(resolved === "dark" ? darkBgClass : lightBgClass)]);
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localStorage.setItem(storageKey, mode);
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reflectUI(mode);
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}
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// Init
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const saved = (localStorage.getItem(storageKey) ) || "system";
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apply(saved);
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// react to system changes when mode=system
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mql.addEventListener?.("change", () => {
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if ((localStorage.getItem(storageKey) ) === "system") apply("system");
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});
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// Events (scoped to this component)
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host.addEventListener("click", (e) => {
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const trigger = (e.target )?.closest?.("[data-menu-trigger]");
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if (trigger && host.contains(trigger)) {
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const expanded = trigger.getAttribute("aria-expanded") === "true";
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openMenu(!expanded);
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return;
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}
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const choose = (e.target )?.closest?.("[data-set-theme]");
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if (choose && host.contains(choose)) {
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apply(choose.getAttribute("data-set-theme") );
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openMenu(false);
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return;
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}
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});
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// Close on outside click
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document.addEventListener("click", (e) => {
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if (!host.contains(e.target )) openMenu(false);
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});
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// Esc to close
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document.addEventListener("keydown", (e) => {
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if (e.key === "Escape") openMenu(false);
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});
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})();
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</script>
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<style is:inline>
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/* Check icon ONLY on active item */
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#{containerId} [role="menuitemradio"][aria-checked="true"] [data-check] {
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opacity: 1 !important;
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transform: scale(1) !important;
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}
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</style> |