zotero/scss/components/_menu.scss

$item-type-icons: (
	attachments-file: "document",
	attachments-link: "attachment-link",
	attachments-pdf: "attachment-pdf",
	attachments-snapshot: "attachment-snapshot",
	attachments-epub: "attachment-epub",
	attach-note: "note",
	find-file: "attachment-pdf",
	convert-to-book-section: "book-section",
	convert-to-book: "book",
);

@each $cls, $icon in $item-type-icons {
	.zotero-menuitem-#{$cls} {
		@include focus-states using ($color) {
			@include svgicon-menu($icon, $color, "16", "item-type");
		}
	}
};

$menu-icons: (
	attach: "attachment",
	attachments-web-link: "link",
	view-online: "globe",
	show-file: "folder-open",
	view-external: "page",
	library-lookup: "library-lookup",
	new-feed: "feed",
	note: "note",
	new-saved-search: "saved-search",
	show-duplicates: "duplicate",
	show-unfiled: "unfiled",
	show-retracted: "retracted",
	sync: "sync",
	new-collection: "new-collection",
	edit-collection: "rename",
	edit-feed: "edit",
	refresh-feed: "sync",
	delete-collection: "delete-collection",
	hide-collection: "hide",
	remove-items: "delete-collection",
	show-in-library: "library",
	move-to-trash: "trash",
	delete-from-lib: "empty-trash",
	duplicate-item: "duplicate-item",
	merge-items: "merge",
	export: "export",
	restore-to-library: "restore",
	create-bibliography: "list-number",
	create-report: "report",
	retrieve-metadata: "retrieve-metadata",
	unrecognize: "restore",
	reindex: "reindex",
	create-parent: "page",
	rename-from-parent: "rename",
	create-note-from-annotations: "light-dark:note-annotation",
	add-to-collection: "new-collection",
	new-tab: "new-tab",
	new-window: "new-window",
	pin: "pin",
	unpin: "pin-remove",
	expand-all: "expand-all",
	collapse-others: "collapse-others",
);

@each $cls, $icon in $menu-icons {
	.zotero-menuitem-#{$cls} {
		// If icon starts with "light-dark:", use light and dark icon
		@if str-slice($icon, 0, 11) == "light-dark:" {
			@include focus-states using ($color) {
				@include svgicon-menu(str-slice($icon, 12), $color, "16");
			}
		}
		@else {
			@include svgicon-menu($icon, "universal", "16", false, false, (var(--fill-secondary), var(--fill-secondary)));
		}
	}
};

#zotero-collectionmenu, #zotero-itemmenu {
	@include macOS-hide-menu-icons;
}

#zotero-new-collection-menu {
	image {
		-moz-context-properties: fill, fill-opacity;
		fill: currentColor;
	}
}