Martin Dvorak
22af888ec0
Library empty state ("Your icebox")
- Replace the single "Make your first deck" button with two quick-action
cards: "Create interactive test" (primary, ice-gradient icon + subtle
accent border) and "Help me with my homework" (glass card, sparkles
icon). Stacked on phones, side by side from 640px up; both >=44px tall.
/create
- Replace the "Got homework instead of notes?" banner with a two-card mode
switcher above "1. Add your notes": "Study Deck & Quizzes" (the current
view — aria-current, accent tint, ice icon) and "Homework Solver" (a
shortcut to /homework). Icon-on-top tiles on phones, inline rows from
640px up; glass tokens + backdrop blur in both themes.
Strings
- New keys in both dictionaries: emptyStateCreateDeck, emptyStateHomework,
actionStudyDeck, actionHomework. Drop the now-unused homework.entry and
library.makeFirst keys.
Drive-by AA fix (light mode, /create only)
- The "New folder" dashed button and the difficulty blurbs move from
frost-500 to frost-600 (4.0:1 -> ~6:1). Dark mode is unchanged.
Service worker: freezmo-v8.
Verified: redesign suite 32/32 (stacked/side-by-side layouts, 360/390/1280,
dark+light, en+cs, >=44px targets, both cards navigate, no overflow, axe
contrast), mobile 49/49, i18n 27/27, desktop regression 73/73. Lint + build
clean.
401 lines
17 KiB
TypeScript
401 lines
17 KiB
TypeScript
"use client";
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import Link from "next/link";
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import { useMemo, useRef, useState, useSyncExternalStore } from "react";
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import { DeckCard } from "@/components/DeckCard";
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import { FolderBar } from "@/components/FolderBar";
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import { FolderIcon, SnowflakeIcon, SparklesIcon, UploadIcon } from "@/components/icons";
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import { Button, EmptyState } from "@/components/ui";
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import { folderStore, renameFolder } from "@/lib/folders";
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import { useI18n } from "@/lib/i18n";
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import { ALL_FOLDERS, folderSelection, useSelectedFolder } from "@/lib/nav";
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import { openSettings } from "@/lib/ui-events";
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import { UNORGANIZED_ID, type Deck } from "@/lib/schemas";
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import { deckStore, deleteFolder, importDeck, sortDecks, upsertDeck } from "@/lib/storage";
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import { cn } from "@/lib/utils";
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/**
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* Dashboard: page title, folder pills, then a spacious responsive grid of
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* deck cards grouped by folder.
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*/
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export function LibraryScreen() {
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const decks = useSyncExternalStore(deckStore.subscribe, deckStore.getSnapshot, deckStore.getServerSnapshot);
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const folders = useSyncExternalStore(
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folderStore.subscribe,
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folderStore.getSnapshot,
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folderStore.getServerSnapshot,
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);
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const selected = useSelectedFolder();
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const setSelected = folderSelection.set;
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const { t, plural } = useI18n();
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const [message, setMessage] = useState<{ tone: "ok" | "error"; text: string } | null>(null);
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const [editingFolder, setEditingFolder] = useState<{ id: string; name: string } | null>(null);
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const [confirmDelete, setConfirmDelete] = useState<string | null>(null);
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const importRef = useRef<HTMLInputElement>(null);
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const sorted = useMemo(() => sortDecks(decks), [decks]);
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const folderList = useMemo(
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() => [...folders].sort((a, b) => a.name.localeCompare(b.name, undefined, { sensitivity: "base" })),
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[folders],
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);
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const counts = useMemo(() => {
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const map: Record<string, number> = {};
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for (const folder of folderList) map[folder.id] = 0;
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for (const deck of decks) {
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const key = deck.folderId && map[deck.folderId] !== undefined ? deck.folderId : UNORGANIZED_ID;
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map[key] = (map[key] ?? 0) + 1;
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}
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return map;
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}, [decks, folderList]);
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const groups = useMemo(() => {
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const unorganized: { id: string; name: string; decks: Deck[]; virtual: boolean } = {
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id: UNORGANIZED_ID,
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name: t("common.unorganized"),
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decks: sorted.filter((deck) => !deck.folderId),
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virtual: true,
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};
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if (selected === UNORGANIZED_ID) return [unorganized];
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if (selected !== ALL_FOLDERS) {
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const folder = folderList.find((entry) => entry.id === selected);
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if (!folder) return [unorganized];
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return [
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{ id: folder.id, name: folder.name, decks: sorted.filter((deck) => deck.folderId === folder.id), virtual: false },
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];
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}
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const named = folderList.map((folder) => ({
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id: folder.id,
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name: folder.name,
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decks: sorted.filter((deck) => deck.folderId === folder.id),
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virtual: false,
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}));
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return [...named, unorganized];
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}, [folderList, selected, sorted, t]);
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const totalActivities = decks.reduce((sum, deck) => sum + deck.activities.length, 0);
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const bestEver = decks.reduce((best, deck) => Math.max(best, deck.bestScore ?? 0), 0);
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const played = decks.some((deck) => deck.attempts > 0);
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const handleImport = async (file: File | undefined) => {
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if (!file) return;
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try {
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const text = await file.text();
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const result = importDeck(text);
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if ("error" in result) setMessage({ tone: "error", text: result.error });
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else setMessage({ tone: "ok", text: t("library.imported", { title: result.deck.title }) });
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} catch {
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setMessage({ tone: "error", text: t("library.couldNotRead") });
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}
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};
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const removeFolderEverywhere = (folderId: string) => {
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deleteFolder(folderId);
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setConfirmDelete(null);
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setSelected(ALL_FOLDERS);
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setMessage({ tone: "ok", text: t("library.folderDeleted") });
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};
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const isEmpty = sorted.length === 0 && folderList.length === 0;
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// Group headings only earn their keep once real folders exist; with none,
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// desktop shows a single quiet “All decks” label instead of “Unorganized”.
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const hasFolders = folderList.length > 0;
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return (
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<div className="relative">
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{/* page header ---------------------------------------------------- */}
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<section className="mb-6 space-y-5">
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<div className="flex flex-wrap items-end justify-between gap-4">
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<div>
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<h1 className="text-[24px] font-semibold leading-tight tracking-[-0.02em] text-[var(--text)] sm:text-[26px]">
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{t("library.title")}
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</h1>
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<p className="mt-1.5 text-[13.5px] text-[var(--text-subtle)]">
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{t("library.subtitle")}
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</p>
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</div>
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<div className="flex flex-wrap items-center gap-2">
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{/* With nothing in the library, Import drops to a quiet text link
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so the single primary action is “Make your first deck”. */}
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{isEmpty ? (
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<button
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type="button"
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onClick={() => importRef.current?.click()}
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className="inline-flex items-center gap-1.5 text-[13px] font-medium text-[var(--text-muted)] transition hover:text-[var(--text)] hover:underline"
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>
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<UploadIcon className="size-4" />
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{t("library.import")}
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</button>
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) : (
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<>
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<Button
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variant="secondary"
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size="md"
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className="touch-target lg:hidden"
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onClick={() => importRef.current?.click()}
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>
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<UploadIcon className="size-4" />
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{t("library.import")}
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</Button>
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<button
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type="button"
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onClick={() => importRef.current?.click()}
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className="hidden items-center gap-1.5 text-[13px] font-medium text-[var(--text-muted)] transition hover:text-[var(--text)] hover:underline lg:inline-flex"
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>
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<UploadIcon className="size-4" />
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{t("library.import")}
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</button>
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</>
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)}
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<input
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ref={importRef}
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type="file"
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accept="application/json,.json"
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className="sr-only"
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onChange={(event) => {
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void handleImport(event.target.files?.[0]);
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event.target.value = "";
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}}
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/>
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</div>
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</div>
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{/* Secondary stats folded into the header as quiet text on desktop,
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where the sidebar already shows per-folder counts. */}
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{decks.length > 0 ? (
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<p className="text-[13px] text-[var(--text-subtle)] lg:hidden">
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{plural(decks.length, "stats.decks")}
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<span aria-hidden> · </span>
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{plural(folderList.length, "stats.folders")}
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<span aria-hidden> · </span>
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{plural(totalActivities, "stats.activities")}
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{played ? (
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<>
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<span aria-hidden> · </span>
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{t("library.stats.best", { n: bestEver })}
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</>
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) : null}
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</p>
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) : null}
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{/* Mobile folder switcher; the sidebar covers desktop. With an empty
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library there is nothing to filter, and the pills would compete
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with the empty state's single call to action. */}
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{!isEmpty ? (
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<FolderBar
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className="lg:hidden"
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folders={folderList}
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counts={counts}
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selected={selected}
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onSelect={(id) => {
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setSelected(id);
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setConfirmDelete(null);
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}}
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onCreated={(id) => {
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setSelected(id);
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setMessage({
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tone: "ok",
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text: t("library.folderCreated"),
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});
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}}
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/>
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) : null}
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{message ? (
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<p
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role="status"
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className={cn(
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"flex items-center gap-2 rounded-xl border border-[var(--hairline)] bg-[var(--surface)] px-3.5 py-2.5 text-[13px] font-medium",
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message.tone === "ok" ? "text-emerald-700 dark:text-emerald-300" : "text-rose-700 dark:text-rose-300",
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)}
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>
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{message.text}
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</p>
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) : null}
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</section>
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{/* deck grid ------------------------------------------------------ */}
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{isEmpty ? (
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<EmptyState
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title={t("library.noDecks")}
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action={
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/* Two ways in: build a study deck from notes, or hand over an
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assignment. Stacked on phones, side by side from 640px up. */
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<div className="grid w-[min(24rem,calc(100vw_-_3rem))] gap-3 sm:w-[36rem] sm:grid-cols-2">
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<Link
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href="/create"
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className="card card-hover touch-target flex items-center gap-3 border-accent-400/60 p-3.5 text-left sm:p-4"
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>
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<span
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aria-hidden
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className="grad-ice grid size-11 shrink-0 place-items-center rounded-2xl text-[#06111f]"
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>
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<SnowflakeIcon className="size-5" />
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</span>
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<span className="min-w-0 text-[14px] font-semibold leading-snug text-[var(--text)]">
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{t("emptyStateCreateDeck")}
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</span>
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</Link>
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<Link
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href="/homework"
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className="card card-hover touch-target flex items-center gap-3 p-3.5 text-left sm:p-4"
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>
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<span
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aria-hidden
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className="grid size-11 shrink-0 place-items-center rounded-2xl bg-[var(--surface-sunken)] text-[var(--text-muted)]"
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>
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<SparklesIcon className="size-5" />
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</span>
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<span className="min-w-0 text-[14px] font-semibold leading-snug text-[var(--text)]">
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{t("emptyStateHomework")}
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</span>
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</Link>
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</div>
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}
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>
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{t("library.emptyBody")}
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<span className="mt-3 block text-[12.5px] text-[var(--text-subtle)]">
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{t("library.emptyHint")}{" "}
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<button
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type="button"
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onClick={openSettings}
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className="font-medium text-[var(--text-muted)] underline underline-offset-2 hover:text-[var(--text)]"
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>
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{t("library.emptySettings")}
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</button>
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.
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</span>
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</EmptyState>
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) : (
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<div className="space-y-8">
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{groups.map((group) => {
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const isEditing = editingFolder?.id === group.id;
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return (
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<section key={group.id} aria-label={group.name}>
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{/* group header -------------------------------------- */}
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<div className={cn("mb-4 flex items-center gap-2", !hasFolders && "lg:hidden")}>
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<FolderIcon className="size-4 shrink-0 text-[var(--text-subtle)]" />
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{isEditing && editingFolder ? (
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<span className="flex flex-1 items-center gap-2">
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<input
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autoFocus
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value={editingFolder.name}
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onChange={(event) => setEditingFolder({ ...editingFolder, name: event.target.value })}
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onKeyDown={(event) => {
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event.stopPropagation();
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if (event.key === "Enter") {
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const result = renameFolder(editingFolder.id, editingFolder.name);
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if ("error" in result) setMessage({ tone: "error", text: result.error });
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else setEditingFolder(null);
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}
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if (event.key === "Escape") setEditingFolder(null);
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}}
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aria-label={t("library.renameFolderAria")}
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maxLength={60}
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className="min-w-32 max-w-xs flex-1 rounded-lg border border-[var(--hairline)] bg-[var(--surface-strong)] px-2.5 py-1.5 text-[15px] font-semibold text-[var(--text)] outline-none focus:border-accent-400"
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/>
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<Button
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size="sm"
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onClick={() => {
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const result = renameFolder(editingFolder.id, editingFolder.name);
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if ("error" in result) setMessage({ tone: "error", text: result.error });
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else setEditingFolder(null);
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}}
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>
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{t("common.save")}
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</Button>
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</span>
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) : (
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<button
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type="button"
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onClick={() => setSelected(group.virtual ? UNORGANIZED_ID : group.id)}
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className="truncate text-[15px] font-semibold tracking-[-0.01em] text-[var(--text)]"
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>
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{group.name}
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<span className="ml-2 text-[13px] font-normal tabular-nums text-[var(--text-subtle)]">
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{group.decks.length}
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</span>
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</button>
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)}
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{!group.virtual && !isEditing ? (
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<div className="flex items-center gap-0.5">
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<button
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type="button"
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onClick={() => setEditingFolder({ id: group.id, name: group.name })}
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className="rounded-lg px-2 py-1 text-[12.5px] font-medium text-[var(--text-subtle)] transition hover:bg-[var(--hover)] hover:text-[var(--text)]"
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>
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{t("common.rename")}
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</button>
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{confirmDelete === group.id ? (
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<>
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<Button size="sm" variant="danger" onClick={() => removeFolderEverywhere(group.id)}>
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{t("common.delete")}
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</Button>
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<Button size="sm" variant="ghost" onClick={() => setConfirmDelete(null)}>
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{t("common.cancel")}
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</Button>
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</>
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) : (
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<button
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type="button"
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onClick={() => setConfirmDelete(group.id)}
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className="rounded-lg px-2 py-1 text-[12.5px] font-medium text-[var(--text-subtle)] transition hover:bg-[var(--hover)] hover:text-rose-600 dark:hover:text-rose-300"
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>
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{t("common.delete")}
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</button>
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)}
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</div>
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) : null}
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</div>
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{/* One quiet label replaces the redundant single-group heading. */}
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{!hasFolders ? (
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<p className="mb-4 hidden text-[12px] font-medium text-[var(--text-subtle)] lg:block">
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{t("common.allDecks")}
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</p>
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) : null}
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{confirmDelete === group.id ? (
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<p className="mb-3 text-[12.5px] text-[var(--text-muted)]">
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{plural(group.decks.length, "library.deleteWarning")}
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</p>
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) : null}
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{group.decks.length === 0 ? (
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<div className="rounded-2xl border border-dashed border-[var(--hairline)] px-5 py-8 text-center text-[13px] text-[var(--text-subtle)]">
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{group.virtual ? t("library.nothingUnfiled") : t("library.emptyFolder")}
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</div>
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) : (
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<ul className="grid list-none grid-cols-[repeat(auto-fill,minmax(280px,1fr))] gap-4 lg:grid-cols-[repeat(auto-fill,minmax(320px,1fr))]">
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{group.decks.map((deck) => (
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<DeckCard
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key={deck.id}
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deck={deck}
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onMove={(folderId) => {
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upsertDeck({ ...deck, folderId });
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setMessage({
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tone: "ok",
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text: folderId ? t("library.deckMoved") : t("library.deckMovedUnorganized"),
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});
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}}
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/>
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))}
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</ul>
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)}
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</section>
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);
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})}
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</div>
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)}
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</div>
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);
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}
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