Separate Study Decks and Homework in the library; drop the /create mode switch

Library ("Your icebox")
- Two tabs, never mixed: Study Decks (the folder + card library) and Homework
  (saved solutions and step-by-step guides). The active tab lives in the URL
  (/?tab=homework), so the sections are linkable and survive a reload.
- Decks tab keeps Import, the folder bar, stats and its own empty state — now
  a single decks-only CTA.
- Homework tab lists saved results as cards (mode icon, date, step count,
  preview) with Open and delete-with-confirm; its empty state has its own CTA
  ("Homework Solver") that opens the solver directly. Opening a card
  deep-links to /homework?open=<id>, which the screen opens on arrival.
- .segmented now also styles link segments (same control as settings).

/create
- The redundant "Study Deck | Homework Solver" toggle is gone: /create is the
  deck uploader only, and the bottom bar's + goes straight to it. Homework has
  its own screen, reached from the library tab, the drawer and CTAs.

Copy
- New keys (en + cs): tabDecks, tabHomework, homeworkHeroTitle, plus homework
  empty-state/open/step-count strings. The homework hero is now "Solve your
  homework" / "Vyřeš svůj úkol" — no study-deck text in the homework flow.
- Removed the now-unused ModeSwitch component and homework.title key.

Service worker: freezmo-v10.

Verified: library-tabs suite 37/37 (tab switching, context empty states,
deep-link opening, deletion, no switch on /create, heroes, redirects, desktop
grid, 360px + 44px targets, axe contrast en+cs light+dark), mobile 49/49,
i18n 27/27, desktop regression 74/74. Lint + build clean.
This commit is contained in:
Martin Dvořák 2026-10-08 21:26:08 +00:00
commit 8c44f47881
12 changed files with 295 additions and 162 deletions

View file

@ -5,9 +5,11 @@ import { useMemo, useRef, useState, useSyncExternalStore } from "react";
import { DeckCard } from "@/components/DeckCard";
import { FolderBar } from "@/components/FolderBar";
import { HomeworkCard } from "@/components/HomeworkCard";
import { FolderIcon, SnowflakeIcon, SparklesIcon, UploadIcon } from "@/components/icons";
import { Button, EmptyState } from "@/components/ui";
import { folderStore, renameFolder } from "@/lib/folders";
import { deleteHomework, homeworkStore, sortHomework } from "@/lib/homework";
import { useI18n } from "@/lib/i18n";
import { ALL_FOLDERS, folderSelection, useSelectedFolder } from "@/lib/nav";
import { openSettings } from "@/lib/ui-events";
@ -16,11 +18,19 @@ import { deckStore, deleteFolder, importDeck, sortDecks, upsertDeck } from "@/li
import { cn } from "@/lib/utils";
/**
* Dashboard: page title, folder pills, then a spacious responsive grid of
* deck cards grouped by folder.
* Dashboard with two separate pools: study decks (folders + card grid) and
* saved homework (solutions and step-by-step guides). The tab bar picks one,
* so the two never mix in a single list.
*/
export function LibraryScreen() {
export function LibraryScreen({ initialTab = "decks" }: { initialTab?: "decks" | "homework" }) {
const tab = initialTab;
const decks = useSyncExternalStore(deckStore.subscribe, deckStore.getSnapshot, deckStore.getServerSnapshot);
const homeworkRecords = useSyncExternalStore(
homeworkStore.subscribe,
homeworkStore.getSnapshot,
homeworkStore.getServerSnapshot,
);
const homework = useMemo(() => sortHomework(homeworkRecords), [homeworkRecords]);
const folders = useSyncExternalStore(
folderStore.subscribe,
folderStore.getSnapshot,
@ -119,38 +129,57 @@ export function LibraryScreen() {
</div>
<div className="flex flex-wrap items-center gap-2">
{/* With nothing in the library, Import drops to a quiet text link
so the single primary action is “Make your first deck”. */}
{isEmpty ? (
<button
type="button"
onClick={() => importRef.current?.click()}
className="inline-flex items-center gap-1.5 text-[13px] font-medium text-[var(--text-muted)] transition hover:text-[var(--text)] hover:underline"
>
<UploadIcon className="size-4" />
{t("library.import")}
</button>
) : (
<>
<Button
variant="secondary"
size="md"
className="touch-target lg:hidden"
onClick={() => importRef.current?.click()}
>
<UploadIcon className="size-4" />
{t("library.import")}
</Button>
{/* Context action: Import for decks (a quiet link while the pool
is empty), start-a-new-solve for homework. */}
{tab === "decks" ? (
isEmpty ? (
<button
type="button"
onClick={() => importRef.current?.click()}
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"
className="inline-flex items-center gap-1.5 text-[13px] font-medium text-[var(--text-muted)] transition hover:text-[var(--text)] hover:underline"
>
<UploadIcon className="size-4" />
{t("library.import")}
</button>
) : (
<>
<Button
variant="secondary"
size="md"
className="touch-target lg:hidden"
onClick={() => importRef.current?.click()}
>
<UploadIcon className="size-4" />
{t("library.import")}
</Button>
<button
type="button"
onClick={() => importRef.current?.click()}
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"
>
<UploadIcon className="size-4" />
{t("library.import")}
</button>
</>
)
) : homework.length > 0 ? (
<>
<Link
href="/homework?mode=homework"
className="btn-secondary touch-target h-10 px-4 text-sm lg:hidden"
>
<SparklesIcon className="size-4" />
{t("actionHomework")}
</Link>
<Link
href="/homework?mode=homework"
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"
>
<SparklesIcon className="size-4" />
{t("actionHomework")}
</Link>
</>
)}
) : null}
<input
ref={importRef}
type="file"
@ -162,11 +191,21 @@ export function LibraryScreen() {
}}
/>
</div>
{/* Two pools, never mixed: study decks and saved homework. */}
<div className="segmented w-full sm:max-w-sm">
<Link href="/" aria-current={tab === "decks" ? "page" : undefined}>
{t("tabDecks")}
</Link>
<Link href="/?tab=homework" aria-current={tab === "homework" ? "page" : undefined}>
{t("tabHomework")}
</Link>
</div>
</div>
{/* Secondary stats folded into the header as quiet text on desktop,
where the sidebar already shows per-folder counts. */}
{decks.length > 0 ? (
{tab === "decks" && decks.length > 0 ? (
<p className="text-[13px] text-[var(--text-subtle)] lg:hidden">
{plural(decks.length, "stats.decks")}
<span aria-hidden> · </span>
@ -185,7 +224,7 @@ export function LibraryScreen() {
{/* Mobile folder switcher; the sidebar covers desktop. With an empty
library there is nothing to filter, and the pills would compete
with the empty state's single call to action. */}
{!isEmpty ? (
{tab === "decks" && !isEmpty ? (
<FolderBar
className="lg:hidden"
folders={folderList}
@ -206,7 +245,7 @@ export function LibraryScreen() {
) : null}
{message ? (
{tab === "decks" && message ? (
<p
role="status"
className={cn(
@ -219,43 +258,25 @@ export function LibraryScreen() {
) : null}
</section>
{/* deck grid ------------------------------------------------------ */}
{isEmpty ? (
{/* decks: folders + card grid, or a decks-only empty state --------- */}
{tab === "decks" && isEmpty ? (
<EmptyState
title={t("library.noDecks")}
action={
/* Two ways in: build a study deck from notes, or hand over an
assignment. Stacked on phones, side by side from 640px up. */
<div className="grid w-[min(24rem,calc(100vw_-_3rem))] gap-3 sm:w-[36rem] sm:grid-cols-2">
<Link
href="/create?mode=deck"
className="card card-hover touch-target flex items-center gap-3 border-accent-400/60 p-3.5 text-left sm:p-4"
<Link
href="/create?mode=deck"
className="card card-hover touch-target flex w-[min(24rem,calc(100vw_-_3rem))] items-center gap-3 border-accent-400/60 p-3.5 text-left sm:p-4"
>
<span
aria-hidden
className="grad-ice grid size-11 shrink-0 place-items-center rounded-2xl text-[#06111f]"
>
<span
aria-hidden
className="grad-ice grid size-11 shrink-0 place-items-center rounded-2xl text-[#06111f]"
>
<SnowflakeIcon className="size-5" />
</span>
<span className="min-w-0 text-[14px] font-semibold leading-snug text-[var(--text)]">
{t("emptyStateCreateDeck")}
</span>
</Link>
<Link
href="/homework?mode=homework"
className="card card-hover touch-target flex items-center gap-3 p-3.5 text-left sm:p-4"
>
<span
aria-hidden
className="grid size-11 shrink-0 place-items-center rounded-2xl bg-[var(--surface-sunken)] text-[var(--text-muted)]"
>
<SparklesIcon className="size-5" />
</span>
<span className="min-w-0 text-[14px] font-semibold leading-snug text-[var(--text)]">
{t("emptyStateHomework")}
</span>
</Link>
</div>
<SnowflakeIcon className="size-5" />
</span>
<span className="min-w-0 text-[14px] font-semibold leading-snug text-[var(--text)]">
{t("emptyStateCreateDeck")}
</span>
</Link>
}
>
{t("library.emptyBody")}
@ -271,7 +292,10 @@ export function LibraryScreen() {
.
</span>
</EmptyState>
) : (
) : null}
{/* deck grid (the decks tab, once there is something to show) ------- */}
{tab === "decks" && !isEmpty ? (
<div className="space-y-8">
{groups.map((group) => {
const isEditing = editingFolder?.id === group.id;
@ -393,7 +417,40 @@ export function LibraryScreen() {
);
})}
</div>
)}
) : null}
{/* homework: saved solutions and guides, or a homework-only empty state */}
{tab === "homework" && homework.length === 0 ? (
<EmptyState
title={t("homework.emptyTitle")}
action={
<Link
href="/homework?mode=homework"
className="card card-hover touch-target flex w-[min(24rem,calc(100vw_-_3rem))] items-center gap-3 border-accent-400/60 p-3.5 text-left sm:p-4"
>
<span
aria-hidden
className="grad-ice grid size-11 shrink-0 place-items-center rounded-2xl text-[#06111f]"
>
<SparklesIcon className="size-5" />
</span>
<span className="min-w-0 text-[14px] font-semibold leading-snug text-[var(--text)]">
{t("emptyStateHomework")}
</span>
</Link>
}
>
{t("homework.emptyBody")}
</EmptyState>
) : null}
{tab === "homework" && homework.length > 0 ? (
<ul className="grid list-none grid-cols-[repeat(auto-fill,minmax(280px,1fr))] gap-4 lg:grid-cols-[repeat(auto-fill,minmax(320px,1fr))]">
{homework.map((record) => (
<HomeworkCard key={record.id} record={record} onDelete={deleteHomework} />
))}
</ul>
) : null}
</div>