Chore: Prepare for Version 0.6.0

PKGBUILD

@@ -1,5 +1,5 @@
 pkgname=moku
-pkgver=0.4.0
+pkgver=0.5.0
 pkgrel=1
 pkgdesc="Native Linux manga reader frontend for Suwayomi-Server"
 arch=('x86_64')

dev.moku.app.yml

@@ -181,7 +181,7 @@ modules:
         path: .
       - type: file
         path: packaging/frontend-dist.tar.gz
-        sha256: cb2f65bad39db8d7411b15383965812fdd02c02697431e4eb3f3f05281eac49d
+        sha256: 3f18e4cc9153e28fd9020f7de22aac6dad1891034833b683c4bc0f5d0e04fc2b
       - packaging/cargo-sources.json
       - type: inline
         dest: src-tauri/.cargo

flake.nix

@@ -18,7 +18,7 @@
 
       perSystem = { system, lib, ... }:
         let
-          version = "0.4.1";
+          version = "0.6.0";
 
           pkgs = import inputs.nixpkgs {
             inherit system;
@@ -71,7 +71,7 @@
               inherit version;
               src            = frontendSrc;
               fetcherVersion = 1;
-              hash           = "sha256-4QUSgWgMu7FGn44+TGmACheokPhaBdHvA/055SqUs0Q=";
+              hash           = "sha256-ezlckHhfSIe/Hs30tbiN0a/EuvGxhO5L020aup23Ozg=";
             };
 
             buildPhase   = "pnpm build";
@@ -149,7 +149,7 @@ EOF
 
           bumpScript = pkgs.writeShellApplication {
             name = "moku-bump";
-            runtimeInputs = with pkgs; [ gnused coreutils git ];
+            runtimeInputs = with pkgs; [ gnused coreutils git rustToolchain ];
             text = ''
               [[ $# -lt 1 ]] && { echo "Usage: nix run .#bump -- <version>"; exit 1; }
               VERSION="$1"
@@ -160,6 +160,7 @@ EOF
                 "$REPO/src-tauri/Cargo.toml"
               sed -i "s/version = \"[^\"]*\";/version = \"$VERSION\";/g" \
                 "$REPO/flake.nix"
+              (cd "$REPO/src-tauri" && cargo generate-lockfile)
               echo "Bumped to $VERSION"
             '';
           };

package.json

@@ -1,6 +1,6 @@
 {
   "name": "moku",
-  "version": "0.1.0",
+  "version": "0.5.0",
   "type": "module",
   "scripts": {
     "dev": "vite",
@@ -15,7 +15,8 @@
     "@tauri-apps/plugin-shell": "^2.3.5",
     "clsx": "^2.1.1",
     "phosphor-svelte": "^3.1.0",
-    "svelte-spa-router": "^4.0.1"
+    "svelte-spa-router": "^4.0.1",
+    "tauri-plugin-drpc": "^1.0.3"
   },
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "^4.0.4",

pnpm-lock.yaml

@@ -26,6 +26,9 @@ importers:
       svelte-spa-router:
         specifier: ^4.0.1
         version: 4.0.2
+      tauri-plugin-drpc:
+        specifier: ^1.0.3
+        version: 1.0.3(typescript@5.9.3)
     devDependencies:
       '@sveltejs/vite-plugin-svelte':
         specifier: ^4.0.4
@@ -744,6 +747,11 @@ packages:
     resolution: {integrity: sha512-TTDxwYnHkova6Wsyj1PGt9TByuWqvMoeY1bQiuAf2DM/JeDSMw7FjRKzk8K/5mJ99vGOKhbCqTDpyAKwjp4igg==}
     engines: {node: '>=18'}
 
+  tauri-plugin-drpc@1.0.3:
+    resolution: {integrity: sha512-vl5dXhjKbl7+Nf9veW12usdmIUtZXwEf91SzxQPZlbRRJ/sjizbbQlnkUTtx6baJuGzz0KXXgP9xUhF39BdiXQ==}
+    peerDependencies:
+      typescript: ^5.0.0
+
   to-regex-range@5.0.1:
     resolution: {integrity: sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==}
     engines: {node: '>=8.0'}
@@ -1364,6 +1372,10 @@ snapshots:
       magic-string: 0.30.21
       zimmerframe: 1.1.4
 
+  tauri-plugin-drpc@1.0.3(typescript@5.9.3):
+    dependencies:
+      typescript: 5.9.3
+
   to-regex-range@5.0.1:
     dependencies:
       is-number: 7.0.0

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "moku"
-version = "0.4.1"
+version = "0.6.0"
 edition = "2021"
 
 [lib]
@@ -26,6 +26,7 @@ walkdir = "2"
 sysinfo = "0.32"
 dirs = "5"
 tauri-plugin-os = "2.3.2"
+tauri-plugin-drpc = "0.1.6"
 
 [profile.release]
 codegen-units = 1

src-tauri/capabilities/default.json

@@ -32,6 +32,12 @@
     "process:default",
     "process:allow-restart",
     "http:default",
-    "http:allow-fetch"
+    "http:allow-fetch",
+    "drpc:default",
+    "drpc:allow-is-running",
+    "drpc:allow-spawn-thread",
+    "drpc:allow-destroy-thread",
+    "drpc:allow-set-activity",
+    "drpc:allow-clear-activity"
   ]
 }

src-tauri/src/lib.rs

@@ -104,14 +104,14 @@ fn get_storage_info(downloads_path: String) -> Result<StorageInfo, String> {
     })
 }
 
+/// Returns the OS/monitor DPI scale factor for the window's current monitor.
+/// This is the real hardware scale — 1.0 on standard displays, 2.0 on HiDPI/4K,
+/// 1.25–1.5 on Windows displays with OS-level scaling applied.
+/// The frontend multiplies this by the user's uiZoom preference to get the
+/// final effective zoom applied to document.documentElement.
 #[tauri::command]
-fn get_platform_ui_scale() -> f64 {
+fn get_platform_ui_scale(window: tauri::Window) -> f64 {
-    #[cfg(target_os = "windows")]
+    window.scale_factor().unwrap_or(1.0)
-    return 1.0;
-    #[cfg(target_os = "macos")]
-    return 1.0;
-    #[cfg(not(any(target_os = "windows", target_os = "macos")))]
-    return 1.5;
 }
 
 fn kill_tachidesk(app: &tauri::AppHandle) {
@@ -121,16 +121,39 @@ fn kill_tachidesk(app: &tauri::AppHandle) {
     }
 
     #[cfg(target_os = "windows")]
+    {
+        use std::os::windows::process::CommandExt;
+        const CREATE_NO_WINDOW: u32 = 0x08000000;
+
         let _ = std::process::Command::new("taskkill")
-        .args(["/F", "/FI", "IMAGENAME eq java*"])
+            .args(["/F", "/FI", "IMAGENAME eq java.exe"])
+            .creation_flags(CREATE_NO_WINDOW)
             .status();
 
+        // Poll until no java.exe remains (up to ~3 s) so the installer can
+        // overwrite the JRE DLLs without hitting a sharing-violation error.
+        for _ in 0..30 {
+            let still_running = std::process::Command::new("tasklist")
+                .args(["/FI", "IMAGENAME eq java.exe", "/NH"])
+                .creation_flags(CREATE_NO_WINDOW)
+                .output()
+                .map(|o| String::from_utf8_lossy(&o.stdout).contains("java.exe"))
+                .unwrap_or(false);
+
+            if !still_running {
+                break;
+            }
+            std::thread::sleep(std::time::Duration::from_millis(100));
+        }
+    }
+
     #[cfg(not(target_os = "windows"))]
     let _ = std::process::Command::new("pkill")
         .args(["-f", "tachidesk"])
         .status();
 }
 
+
 const DEFAULT_SERVER_CONF: &str = r#"server.ip = "127.0.0.1"
 server.port = 4567
 server.webUIEnabled = false
@@ -225,22 +248,7 @@ struct ServerInvocation {
     working_dir: Option<PathBuf>,
 }
 
-#[cfg(not(target_os = "macos"))]
-fn find_java_in_bundle(bundle_dir: &PathBuf, log: &mut Option<std::fs::File>) -> Option<PathBuf> {
-    #[cfg(target_os = "windows")]
-    let java = bundle_dir.join("jre").join("bin").join("java.exe");
-
-    #[cfg(not(target_os = "windows"))]
-    let java = bundle_dir.join("jre").join("bin").join("java");
-
-    do_log(log, &format!("[find_java] checking path: {:?}", java));
-    do_log(log, &format!("[find_java] exists: {}", java.exists()));
-
-    if java.exists() { Some(java) } else { None }
-}
-
 fn do_log(log: &mut Option<std::fs::File>, msg: &str) {
-    eprintln!("{}", msg);
     if let Some(f) = log {
         let _ = writeln!(f, "{}", msg);
     }
@@ -253,81 +261,50 @@ fn resolve_server_binary(
 ) -> Result<ServerInvocation, SpawnError> {
     do_log(log, &format!("[resolve] binary arg = {:?}", binary));
 
+    // 1. User-specified binary path
     if !binary.trim().is_empty() {
-        do_log(log, "[resolve] using user-supplied binary path");
+        let path = strip_unc(PathBuf::from(binary.trim()));
+        do_log(log, &format!("[resolve] user path: {:?} exists={}", path, path.exists()));
+        if path.exists() {
             return Ok(ServerInvocation {
-            bin:         binary.to_string(),
+                bin:         path.to_string_lossy().into_owned(),
                 args:        vec![],
-            working_dir: None,
+                working_dir: path.parent().map(|p| p.to_path_buf()),
             });
         }
-
+        return Err(SpawnError::NotConfigured(
-    let resource_dir = match app.path().resource_dir() {
+            format!("Configured binary not found: {}", path.display()),
-        Ok(p) => {
+        ));
-            let stripped = strip_unc(p);
-            do_log(log, &format!("[resolve] resource_dir (stripped) = {:?}", stripped));
-            stripped
     }
-        Err(e) => {
-            let msg = format!("resource_dir error: {e}");
-            do_log(log, &format!("[resolve] ERROR: {}", msg));
-            return Err(SpawnError::SpawnFailed(msg));
-        }
-    };
 
+    // 2. Bundled sidecar (Windows / Linux AppImage)
     #[cfg(not(target_os = "macos"))]
     {
-        let bundle_dir = resource_dir.join("binaries").join("suwayomi-bundle");
+        let resource_dir = app.path().resource_dir().unwrap_or_default();
-        let jar        = bundle_dir.join("bin").join("Suwayomi-Server.jar");
+        let candidates = ["suwayomi-launcher", "suwayomi-launcher.sh", "tachidesk-server"];
-
+        for name in &candidates {
-        do_log(log, &format!("[resolve] bundle_dir = {:?}", bundle_dir));
+            let p = resource_dir.join(name);
-        do_log(log, &format!("[resolve] bundle_dir exists: {}", bundle_dir.exists()));
+            do_log(log, &format!("[resolve] sidecar candidate: {:?} exists={}", p, p.exists()));
-        do_log(log, &format!("[resolve] jar = {:?}", jar));
+            if p.exists() {
-        do_log(log, &format!("[resolve] jar exists: {}", jar.exists()));
+                do_log(log, &format!("[resolve] using sidecar: {:?}", p));
-
-        match find_java_in_bundle(&bundle_dir, log) {
-            Some(java) => {
-                do_log(log, &format!("[resolve] java found: {:?}", java));
-                if jar.exists() {
-                    do_log(log, "[resolve] both java and jar found — using bundled JRE");
                 return Ok(ServerInvocation {
-                        bin: java.to_string_lossy().into_owned(),
+                    bin:         p.to_string_lossy().into_owned(),
-                        args: vec![
+                    args:        vec![],
-                            "-jar".to_string(),
+                    working_dir: Some(resource_dir),
-                            jar.to_string_lossy().into_owned(),
-                        ],
-                        working_dir: Some(bundle_dir),
                 });
-                } else {
-                    do_log(log, "[resolve] java found but jar MISSING — skipping bundled path");
-                }
-            }
-            None => {
-                do_log(log, "[resolve] java NOT found in bundle — skipping bundled path");
             }
         }
     }
 
+    // 3. macOS app bundle — look in MacOS/ and Resources/
     #[cfg(target_os = "macos")]
     {
-        // Tauri places externalBin sidecars next to the main binary in
+        let resource_dir = app.path().resource_dir().unwrap_or_default();
-        // Contents/MacOS/, not in Contents/Resources/.  Derive that path
+        let macos_dir    = resource_dir.parent()
-        // from resource_dir (Contents/Resources → Contents/MacOS).
+            .map(|p| p.join("MacOS"))
-        let macos_dir = resource_dir.join("../MacOS")
+            .unwrap_or_default();
-            .canonicalize()
-            .unwrap_or_else(|_| resource_dir.join("../MacOS"));
 
-        do_log(log, &format!("[resolve] macOS macos_dir = {:?}", macos_dir));
+        let candidates = ["suwayomi-launcher", "suwayomi-launcher.sh", "tachidesk-server"];
-
-        // Tauri strips the target triple when installing externalBin sidecars
-        // into Contents/MacOS/, so the binary is always just "suwayomi-server"
-        // at runtime. The triple-suffixed names are only needed on disk at
-        // build time for Tauri to pick the right arch during bundling.
-        let candidates = [
-            "suwayomi-server",
-            "suwayomi-server-aarch64-apple-darwin",
-            "suwayomi-server-x86_64-apple-darwin",
-        ];
 
         // Search MacOS/ first (correct location), then Resources/ as fallback
         // for flat dev layouts where the script sits next to resources.
@@ -550,6 +527,7 @@ fn restart_app(app: tauri::AppHandle) {
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
+        .plugin(tauri_plugin_drpc::init())
         .plugin(tauri_plugin_os::init())
         .plugin(tauri_plugin_shell::init())
         .plugin(tauri_plugin_http::init())

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "Moku",
-  "version": "0.4.1",
+  "version": "0.6.0",
   "identifier": "dev.moku.app",
   "build": {
     "frontendDist": "../dist",

src/App.svelte

@@ -7,6 +7,7 @@
   import { gql } from "./lib/client";
   import { GET_DOWNLOAD_STATUS } from "./lib/queries";
   import { store, addToast, setActiveDownloads, setSettingsOpen } from "./store/state.svelte";
+  import { initRpc, setIdle, clearReading, destroyRpc } from "./lib/discord";
   import type { DownloadStatus, DownloadQueueItem } from "./lib/types";
   import Layout       from "./components/layout/Layout.svelte";
   import Reader       from "./components/reader/Reader.svelte";
@@ -74,13 +75,23 @@
   let notConfigured = $state(false);
   let idle          = $state(false);
   let devSplash     = $state(false);
-  let platformScale = $state(1);
 
+  // The OS/monitor DPI scale factor for the current display.
+  // Queried from Rust (window.scale_factor()) on mount and updated live
+  // whenever the window moves to a different monitor via the scaleChanged event.
+  // 1.0 = standard display, 2.0 = HiDPI/4K, 1.25–1.5 = Windows scaled display.
+  let platformScale = $state(1.0);
+
+  // effectiveZoom = platformScale × uiZoom (user preference, float, default 1.0)
+  // Applied to document.documentElement so the entire UI scales correctly.
   function applyZoom() {
-    const normalized = store.settings.uiScale * platformScale;
+    const uiZoom     = store.settings.uiZoom ?? 1.5;
-    document.documentElement.style.zoom = `${normalized}%`;
+    const effective  = platformScale * uiZoom;
-    document.documentElement.style.setProperty("--ui-scale", String(normalized));
+    const pct        = effective * 100;
-    document.documentElement.style.setProperty("--visual-vh", `${window.innerHeight / (normalized / 100)}px`);
+    document.documentElement.style.zoom = `${pct}%`;
+    document.documentElement.style.setProperty("--ui-scale", String(effective));
+    // visual-vh compensates for the zoom so 100vh-based calculations stay correct.
+    document.documentElement.style.setProperty("--visual-vh", `${window.innerHeight / effective}px`);
   }
 
   let prevQueue: DownloadQueueItem[] = [];
@@ -125,8 +136,9 @@
     return () => idleEvents.forEach(e => window.removeEventListener(e, resetIdle));
   });
 
+  // Re-apply zoom whenever uiZoom setting or platformScale changes.
   $effect(() => {
-    store.settings.uiScale; platformScale;
+    store.settings.uiZoom; platformScale;
     applyZoom();
   });
 
@@ -214,14 +226,25 @@
     document.addEventListener("contextmenu", e => e.preventDefault());
     (window as any).__mokuShowSplash = () => devSplash = true;
 
-    platformScale = await invoke<number>("get_platform_ui_scale").catch(() => 1);
+    // Fetch the real monitor scale factor from Rust (window.scale_factor()).
+    // This reflects actual DPI — 2.0 on HiDPI, 1.25 on Windows scaled displays, etc.
+    platformScale = await invoke<number>("get_platform_ui_scale").catch(() => 1.0);
     applyZoom();
 
     store.isFullscreen = await win.isFullscreen();
+
     const unlistenResize = await win.onResized(async () => {
       store.isFullscreen = await win.isFullscreen();
     });
 
+    // Re-query the scale factor when the window moves to a different monitor.
+    // Tauri emits this event whenever the DPI changes (e.g. dragging window
+    // from a 1080p display to a 4K display).
+    const unlistenScale = await win.onScaleChanged(async (event) => {
+      platformScale = event.payload.scaleFactor;
+      applyZoom();
+    });
+
     if (store.settings.autoStartServer) {
       invoke<void>("spawn_server", { binary: store.settings.serverBinary }).catch((err: any) => {
         if (err?.kind === "NotConfigured") {
@@ -240,6 +263,8 @@
     return () => {
       cancelProbe = true;
       unlistenResize();
+      unlistenScale();
+      destroyRpc();
       if (store.settings.autoStartServer) invoke("kill_server").catch(() => {});
       if (idleTimer) clearTimeout(idleTimer);
       if (pollInterval) clearInterval(pollInterval);
@@ -254,6 +279,23 @@
     return () => clearTimeout(timer);
   });
 
+  $effect(() => {
+    if (store.settings.discordRpc) {
+      initRpc();
+    } else {
+      clearReading();
+      destroyRpc();
+    }
+  });
+
+
+  // When the reader closes, show idle presence.
+  $effect(() => {
+    if (!store.activeChapter) {
+      if (store.settings.discordRpc) setIdle();
+    }
+  });
+
   function handleRetry() {
     failed        = false;
     notConfigured = false;

src/components/layout/SplashScreen.svelte

@@ -247,7 +247,7 @@
       const sin = tg.sinA * Math.cos(delta) + tg.cosA * Math.sin(delta);
       ctx.globalAlpha = alpha;
       ctx.setTransform(cos * dpr, sin * dpr, -sin * dpr, cos * dpr, c.cx * dpr, cy * dpr);
-      const sw = stamps[i].width / dpr, sh = stamps[i].height / dpr;
+      const sw = stamps[i].width, sh = stamps[i].height;
       ctx.drawImage(stamps[i], -sw / 2, -sh / 2, sw, sh);
     }
     ctx.setTransform(1, 0, 0, 1, 0, 0); ctx.globalAlpha = 1;

src/components/pages/Discover.svelte

@@ -2,11 +2,11 @@
   import { onDestroy } from "svelte";
   import { BookmarkSimple, FolderSimplePlus, Folder, Sparkle, ArrowsClockwise } from "phosphor-svelte";
   import { gql, thumbUrl } from "../../lib/client";
-  import { GET_SOURCES, FETCH_SOURCE_MANGA, UPDATE_MANGA } from "../../lib/queries";
+  import { GET_SOURCES, FETCH_SOURCE_MANGA, UPDATE_MANGA, GET_CATEGORIES, CREATE_CATEGORY, UPDATE_MANGA_CATEGORIES } from "../../lib/queries";
   import { cache, CACHE_KEYS } from "../../lib/cache";
-  import { dedupeSources, dedupeMangaByTitle, dedupeMangaById } from "../../lib/util";
+  import { dedupeSources, dedupeMangaByTitle, dedupeMangaById, isNsfwManga } from "../../lib/util";
-  import { store, addFolder, assignMangaToFolder, setPreviewManga, clearDiscoverCache } from "../../store/state.svelte";
+  import { store, setPreviewManga, clearDiscoverCache } from "../../store/state.svelte";
-  import type { Manga, Source } from "../../lib/types";
+  import type { Manga, Source, Category } from "../../lib/types";
   import ContextMenu from "../shared/ContextMenu.svelte";
   import type { MenuEntry } from "../shared/ContextMenu.svelte";
   import SourceBrowse from "../shared/SourceBrowse.svelte";
@@ -48,6 +48,8 @@
 
   let activeCtrl: AbortController | null = null;
   let ctx: { x: number; y: number; manga: Manga } | null = $state(null);
+  let categories: Category[] = $state([]);
+  let catsLoaded             = false;
 
   const isLoading   = $derived(genreLoading || refreshing || (currentGenre === "All" && loadingLib));
   const visibleGrid = $derived(genreResults.get(currentGenre) ?? []);
@@ -58,7 +60,11 @@
   }
 
   function filterOut(mangas: Manga[]): Manga[] {
-    return dedup(mangas.filter(m => !m.inLibrary && !store.discoverLibraryIds.has(m.id)));
+    return dedup(mangas.filter(m => {
+      if (m.inLibrary || store.discoverLibraryIds.has(m.id)) return false;
+      if (!store.settings.showNsfw && isNsfwManga(m)) return false;
+      return true;
+    }));
   }
 
   function rotatedSources(): Source[] {
@@ -181,7 +187,9 @@
       );
       if (ctrl.signal.aborted) return;
 
-      const local = dedup(d.mangas.nodes);
+      const local = dedup(
+        d.mangas.nodes.filter(m => store.settings.showNsfw || !isNsfwManga(m))
+      );
       store.discoverCache.set(localKey, local);
       genreResults.set(genre, local.slice(0, GRID_LIMIT));
       genreResults = new Map(genreResults);
@@ -253,6 +261,12 @@
   function openCtx(e: MouseEvent, m: Manga) {
     e.preventDefault(); e.stopPropagation();
     ctx = { x: e.clientX, y: e.clientY, manga: m };
+    if (!catsLoaded) {
+      catsLoaded = true;
+      gql<{ categories: { nodes: Category[] } }>(GET_CATEGORIES)
+        .then(d => { categories = d.categories.nodes.filter(c => c.id !== 0); })
+        .catch(console.error);
+    }
   }
 
   function buildCtxItems(m: Manga): MenuEntry[] {
@@ -266,20 +280,26 @@
             store.discoverLibraryIds = new Set([...store.discoverLibraryIds, m.id]);
           }).catch(console.error),
       },
-      ...(store.settings.folders.length > 0 ? [
+      ...(categories.length > 0 ? [
         { separator: true } as MenuEntry,
-        ...store.settings.folders.map(f => ({
+        ...categories.map(cat => ({
-          label: f.mangaIds.includes(m.id) ? `✓ ${f.name}` : f.name,
+          label: (cat.mangas?.nodes ?? []).some(x => x.id === m.id) ? `✓ ${cat.name}` : cat.name,
           icon: Folder,
-          onClick: () => assignMangaToFolder(f.id, m.id),
+          onClick: () => gql(UPDATE_MANGA_CATEGORIES, { mangaId: m.id, addTo: [cat.id], removeFrom: [] }).catch(console.error),
         })),
       ] : []),
       { separator: true },
       {
         label: "New folder & add", icon: FolderSimplePlus,
-        onClick: () => {
+        onClick: async () => {
           const n = prompt("Folder name:");
-          if (n?.trim()) { const id = addFolder(n.trim()); assignMangaToFolder(id, m.id); }
+          if (!n?.trim()) return;
+          const res = await gql<{ createCategory: { category: Category } }>(CREATE_CATEGORY, { name: n.trim() }).catch(console.error);
+          if (res) {
+            const cat = res.createCategory.category;
+            categories = [...categories, cat];
+            await gql(UPDATE_MANGA_CATEGORIES, { mangaId: m.id, addTo: [cat.id], removeFrom: [] }).catch(console.error);
+          }
         },
       },
     ];

src/components/pages/GenreDrillPage.svelte

@@ -2,11 +2,11 @@
   import { ArrowLeft, BookmarkSimple, FolderSimplePlus, Folder, CircleNotch } from "phosphor-svelte";
   import { untrack } from "svelte";
   import { gql, thumbUrl } from "../../lib/client";
-  import { GET_ALL_MANGA, GET_LIBRARY, GET_SOURCES, FETCH_SOURCE_MANGA, UPDATE_MANGA } from "../../lib/queries";
+  import { GET_ALL_MANGA, GET_LIBRARY, GET_SOURCES, FETCH_SOURCE_MANGA, UPDATE_MANGA, GET_CATEGORIES, CREATE_CATEGORY, UPDATE_MANGA_CATEGORIES } from "../../lib/queries";
   import { cache, CACHE_KEYS, getPageSet } from "../../lib/cache";
   import { dedupeSources, dedupeMangaById } from "../../lib/util";
-  import { store, addFolder, assignMangaToFolder, setGenreFilter, setPreviewManga, setNavPage } from "../../store/state.svelte";
+  import { store, setGenreFilter, setPreviewManga, setNavPage } from "../../store/state.svelte";
-  import type { Manga, Source } from "../../lib/types";
+  import type { Manga, Source, Category } from "../../lib/types";
   import ContextMenu, { type MenuEntry } from "../shared/ContextMenu.svelte";
 
   const PAGE_SIZE     = 50;
@@ -39,6 +39,8 @@
   let loadingMore            = $state(false);
   let visibleCount           = $state(PAGE_SIZE);
   let ctx: { x: number; y: number; manga: Manga } | null = $state(null);
+  let categories: Category[] = $state([]);
+  let catsLoaded             = false;
 
   const nextPageMap = new Map<string, number>();
   let sources: Source[] = $state([]);
@@ -143,19 +145,42 @@
     }
   }
 
+  function openCtx(e: MouseEvent, m: Manga) {
+    e.preventDefault();
+    ctx = { x: e.clientX, y: e.clientY, manga: m };
+    if (!catsLoaded) {
+      catsLoaded = true;
+      gql<{ categories: { nodes: Category[] } }>(GET_CATEGORIES)
+        .then(d => { categories = d.categories.nodes.filter(c => c.id !== 0); })
+        .catch(console.error);
+    }
+  }
+
   function buildCtxItems(m: Manga): MenuEntry[] {
     return [
       { label: m.inLibrary ? "In Library" : "Add to library", icon: BookmarkSimple, disabled: m.inLibrary,
         onClick: () => gql(UPDATE_MANGA, { id: m.id, inLibrary: true }).then(() => { sourceManga = sourceManga.map((x) => x.id === m.id ? { ...x, inLibrary: true } : x); cache.clear(CACHE_KEYS.LIBRARY); }).catch(console.error) },
-      ...(store.settings.folders.length > 0 ? [
+      ...(categories.length > 0 ? [
         { separator: true } as MenuEntry,
-        ...store.settings.folders.map((f): MenuEntry => ({
+        ...categories.map((cat): MenuEntry => ({
-          label: f.mangaIds.includes(m.id) ? `✓ ${f.name}` : f.name, icon: Folder,
+          label: (cat.mangas?.nodes ?? []).some(x => x.id === m.id) ? `✓ ${cat.name}` : cat.name, icon: Folder,
-          onClick: () => assignMangaToFolder(f.id, m.id),
+          onClick: () => gql(UPDATE_MANGA_CATEGORIES, { mangaId: m.id, addTo: [cat.id], removeFrom: [] }).catch(console.error),
         })),
       ] : []),
       { separator: true },
-      { label: "New folder & add", icon: FolderSimplePlus, onClick: () => { const name = prompt("Folder name:"); if (name?.trim()) { const id = addFolder(name.trim()); assignMangaToFolder(id, m.id); } } },
+      { label: "New folder & add", icon: FolderSimplePlus, onClick: async () => {
+        const name = prompt("Folder name:");
+        if (!name?.trim()) return;
+        const res = await gql<{ createCategory: { category: Category } }>(
+          CREATE_CATEGORY,
+          { name: name.trim() }
+        ).catch(console.error);
+        if (res) {
+          const cat = (res as any).createCategory.category;
+          categories = [...categories, cat];
+          await gql(UPDATE_MANGA_CATEGORIES, { mangaId: m.id, addTo: [cat.id], removeFrom: [] }).catch(console.error);
+        }
+      }},
     ];
   }
 
@@ -190,7 +215,7 @@
   {:else}
     <div class="grid">
       {#each visibleItems as m (m.id)}
-        <button class="card" onclick={() => setPreviewManga(m)} oncontextmenu={(e) => { e.preventDefault(); e.stopPropagation(); ctx = { x: e.clientX, y: e.clientY, manga: m }; }}>
+        <button class="card" onclick={() => setPreviewManga(m)} oncontextmenu={(e) => { e.stopPropagation(); openCtx(e, m); }}>
           <div class="cover-wrap">
             <img src={thumbUrl(m.thumbnailUrl)} alt={m.title} class="cover" loading="lazy" decoding="async" />
             {#if m.inLibrary}<span class="in-library-badge">Saved</span>{/if}

src/components/pages/Home.svelte

@@ -2,11 +2,11 @@
   import { onMount, untrack } from "svelte";
   import { Play, ArrowRight, ArrowLeft, BookOpen, Clock, Fire, TrendUp, CalendarBlank, CheckCircle, PushPin, X as XIcon, MagnifyingGlass, ListBullets } from "phosphor-svelte";
   import { gql, thumbUrl } from "../../lib/client";
-  import { GET_LIBRARY, GET_CHAPTERS, GET_MANGA } from "../../lib/queries";
+  import { GET_LIBRARY, GET_CHAPTERS, GET_MANGA, GET_CATEGORIES } from "../../lib/queries";
   import { cache, CACHE_KEYS } from "../../lib/cache";
-  import { store, openReader, COMPLETED_FOLDER_ID, setHeroSlot, setActiveManga, setPreviewManga, setNavPage, setGenreFilter } from "../../store/state.svelte";
+  import { store, openReader, setHeroSlot, setActiveManga, setPreviewManga, setNavPage, setGenreFilter, setLibraryFilter } from "../../store/state.svelte";
   import type { HistoryEntry } from "../../store/state.svelte";
-  import type { Manga, Chapter } from "../../lib/types";
+  import type { Manga, Chapter, Category } from "../../lib/types";
 
   function timeAgo(ts: number): string {
     const diff = Date.now() - ts, m = Math.floor(diff / 60000);
@@ -33,15 +33,26 @@
   let libraryManga:       Manga[]            = $state([]);
   let extraManga:         Manga[]            = $state([]);
   let loadingLibrary:     boolean            = $state(true);
+  let completedCategory:  Category | null    = $state(null);
 
   onMount(() => {
     loadLibrary();
   });
 
   function loadLibrary() {
-    cache.get(CACHE_KEYS.LIBRARY, () =>
+    const libraryP  = cache.get(CACHE_KEYS.LIBRARY, () =>
       gql<{ mangas: { nodes: Manga[] } }>(GET_LIBRARY).then(d => d.mangas.nodes)
-    ).then(m => { libraryManga = m; fetchExtraCompleted(m); })
+    );
+    const categoriesP = gql<{ categories: { nodes: Category[] } }>(GET_CATEGORIES)
+      .then(d => d.categories.nodes.find(c => c.name === "Completed") ?? null)
+      .catch(() => null);
+
+    Promise.all([libraryP, categoriesP])
+      .then(([m, completed]) => {
+        libraryManga      = m;
+        completedCategory = completed;
+        fetchExtraCompleted(m, completed);
+      })
       .catch(console.error)
       .finally(() => loadingLibrary = false);
   }
@@ -59,8 +70,8 @@
     loadLibrary();
   });
 
-  async function fetchExtraCompleted(library: Manga[]) {
+  async function fetchExtraCompleted(library: Manga[], completed: Category | null) {
-    const completedIds = store.settings.folders.find(f => f.id === COMPLETED_FOLDER_ID)?.mangaIds ?? [];
+    const completedIds = completed?.mangas?.nodes.map(m => m.id) ?? [];
     const missingIds = completedIds.filter(id => !library.some(m => m.id === id));
     if (!missingIds.length) return;
     const results = await Promise.allSettled(missingIds.map(id => gql<{ manga: Manga }>(GET_MANGA, { id }).then(d => d.manga)));
@@ -206,9 +217,9 @@
   function pinManga(m: Manga) { if (pickerSlotIndex !== null) { setHeroSlot(pickerSlotIndex, m.id); closePicker(); } }
   function unpinSlot(i: 1|2|3) { setHeroSlot(i, null); }
 
-  const completedIds   = $derived(store.settings.folders.find(f => f.id === COMPLETED_FOLDER_ID)?.mangaIds ?? []);
+  const completedIds   = $derived(completedCategory?.mangas?.nodes.map(m => m.id) ?? []);
   const completedPool  = $derived([...libraryManga, ...extraManga.filter(m => !libraryManga.some(l => l.id === m.id))]);
-  const completedManga = $derived(completedIds.length > 0 ? completedPool.filter(m => completedIds.includes(m.id)).slice(0, 20) : []);
+  const completedManga = $derived(completedIds.length > 0 ? completedPool.filter(m => completedIds.includes(m.id)).slice(0, 7) : []);
   const recentHistory  = $derived(store.history.slice(0, 6));
   const stats          = $derived(store.readingStats);
 
@@ -404,7 +415,7 @@
         <div class="bottom-section-hd">
           <span class="section-title"><CheckCircle size={10} weight="bold" /> Completed</span>
           {#if completedManga.length > 0}
-            <button class="see-all" onclick={() => store.navPage = "library"}>View all <ArrowRight size={9} weight="bold" /></button>
+            <button class="see-all" onclick={() => { if (completedCategory) setLibraryFilter(String(completedCategory.id)); store.navPage = "library"; }}>View all <ArrowRight size={9} weight="bold" /></button>
           {/if}
         </div>
         {#if completedManga.length > 0}
@@ -571,9 +582,10 @@
   .bottom-col:last-child  { padding-left:  var(--sp-4); }
   .bottom-section-hd { display: flex; align-items: center; justify-content: space-between; padding-bottom: var(--sp-2); }
   .bottom-empty { font-family: var(--font-ui); font-size: var(--text-sm); color: var(--text-faint); letter-spacing: var(--tracking-wide); padding: var(--sp-1) 0; }
-  .mini-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: var(--sp-3); }
+  .mini-row { display: flex; flex-direction: row; gap: var(--sp-3); overflow-x: auto; overflow-y: hidden; scrollbar-width: none; padding-bottom: var(--sp-1); }
+  .mini-row::-webkit-scrollbar { display: none; }
   
-  .mini-card { width: 100%; background: none; border: none; padding: 0; cursor: pointer; text-align: left; }
+  .mini-card { flex: 0 0 120px; width: 120px; background: none; border: none; padding: 0; cursor: pointer; text-align: left; }
   .mini-card:hover .mini-cover { filter: brightness(1.08) saturate(1.05); transform: scale(1.02); }
   .mini-card:hover { will-change: transform; }
   .mini-cover-wrap { position: relative; aspect-ratio: 2/3; overflow: hidden; border-radius: var(--radius-md); background: var(--bg-raised); border: 1px solid var(--border-dim); box-shadow: 0 2px 12px rgba(0,0,0,0.35); }

src/components/pages/Library.svelte

@@ -1,21 +1,105 @@
 <script lang="ts">
   import { onMount, untrack } from "svelte";
-  import { MagnifyingGlass, Books, DownloadSimple, Folder, FolderSimplePlus, Trash } from "phosphor-svelte";
+  import { MagnifyingGlass, Books, DownloadSimple, Folder, FolderSimplePlus, Trash, Star, CheckSquare, X, ArrowSquareOut, SortAscending, Funnel, CaretUp, CaretDown } from "phosphor-svelte";
   import { gql, thumbUrl } from "../../lib/client";
-  import { GET_LIBRARY, GET_MANGA, UPDATE_MANGA, GET_CHAPTERS, DELETE_DOWNLOADED_CHAPTERS, DEQUEUE_DOWNLOAD } from "../../lib/queries";
+  import { GET_CATEGORIES, GET_LIBRARY, UPDATE_MANGA, GET_CHAPTERS, DELETE_DOWNLOADED_CHAPTERS, DEQUEUE_DOWNLOAD, CREATE_CATEGORY, UPDATE_MANGA_CATEGORIES, UPDATE_CATEGORY_ORDER } from "../../lib/queries";
   import { cache, CACHE_KEYS, CACHE_GROUPS, DEFAULT_TTL_MS } from "../../lib/cache";
-  import { dedupeMangaById, dedupeMangaByTitle } from "../../lib/util";
+  import { dedupeMangaById, dedupeMangaByTitle, isNsfwManga } from "../../lib/util";
-  import { store, setActiveManga, setLibraryFilter } from "../../store/state.svelte";
+  import { store, setLibraryFilter, checkAndMarkCompleted as storeCheckAndMarkCompleted, updateSettings, setCategories } from "../../store/state.svelte";
-  import { addFolder, assignMangaToFolder, removeMangaFromFolder, getMangaFolders } from "../../store/state.svelte";
+  import type { LibrarySortMode, LibrarySortDir, LibraryStatusFilter } from "../../store/state.svelte";
-  import { COMPLETED_FOLDER_ID } from "../../store/state.svelte";
+  import type { Manga, Category, Chapter } from "../../lib/types";
-  import type { Manga, Chapter } from "../../lib/types";
   import ContextMenu, { type MenuEntry } from "../shared/ContextMenu.svelte";
 
   const CARD_MIN_W     = 130;
   const CARD_GAP       = 16;
+  const COMPLETED_NAME = "Completed";
+
+  // Drag type discriminators (tab reorder only — manga cards no longer use drag).
+  const DT_TAB = "application/x-moku-tab";
+
+  let activeDragKind: "tab" | null = $state(null);
+  let dragInsertIdx:  number       = $state(-1);
+
+  // ── Sort / filter panel ───────────────────────────────────────────────────
+
+  let sortPanelOpen:   boolean = $state(false);
+  let filterPanelOpen: boolean = $state(false);
+
+  function openSortPanel() {
+    sortPanelOpen = !sortPanelOpen;
+    filterPanelOpen = false;
+  }
+
+  function openFilterPanel() {
+    filterPanelOpen = !filterPanelOpen;
+    sortPanelOpen = false;
+  }
+
+  const SORT_LABELS: Record<LibrarySortMode, string> = {
+    az:             "A–Z",
+    unreadCount:    "Unread chapters",
+    totalChapters:  "Total chapters",
+    recentlyAdded:  "Recently added",
+    recentlyRead:   "Recently read",
+    latestFetched:  "Latest fetched chapter",
+    latestUploaded: "Latest uploaded chapter",
+  };
+
+  const STATUS_LABELS: Record<LibraryStatusFilter, string> = {
+    ALL:       "All statuses",
+    ONGOING:   "Ongoing",
+    COMPLETED: "Completed",
+    CANCELLED: "Cancelled",
+    HIATUS:    "Hiatus",
+    UNKNOWN:   "Unknown",
+  };
+
+  const ALL_SORT_MODES: LibrarySortMode[] = [
+    "az", "unreadCount", "totalChapters", "recentlyAdded",
+    "recentlyRead", "latestFetched", "latestUploaded",
+  ];
+
+  const ALL_STATUS_FILTERS: LibraryStatusFilter[] = [
+    "ALL", "ONGOING", "COMPLETED", "CANCELLED", "HIATUS", "UNKNOWN",
+  ];
+
+  // Per-tab reactive state — $derived so Svelte tracks changes to libraryFilter and settings
+  const tabSortMode = $derived(
+    store.settings.libraryTabSort[store.libraryFilter]?.mode ?? "az" as LibrarySortMode
+  );
+  const tabSortDir = $derived(
+    store.settings.libraryTabSort[store.libraryFilter]?.dir ?? "asc" as LibrarySortDir
+  );
+  const tabStatus = $derived(
+    store.settings.libraryTabStatus[store.libraryFilter] ?? "ALL" as LibraryStatusFilter
+  );
+
+  function setTabSort(mode: LibrarySortMode, dir?: LibrarySortDir) {
+    const prev   = store.settings.libraryTabSort[store.libraryFilter];
+    const newDir = dir ?? prev?.dir ?? "asc";
+    updateSettings({
+      libraryTabSort: {
+        ...store.settings.libraryTabSort,
+        [store.libraryFilter]: { mode, dir: newDir },
+      },
+    });
+  }
+
+  function toggleTabSortDir() {
+    setTabSort(tabSortMode, tabSortDir === "asc" ? "desc" : "asc");
+  }
+
+  function setTabStatus(status: LibraryStatusFilter) {
+    updateSettings({
+      libraryTabStatus: {
+        ...store.settings.libraryTabStatus,
+        [store.libraryFilter]: status,
+      },
+    });
+    filterPanelOpen = false;
+  }
 
   let allManga:       Manga[]      = $state([]);
-  let extraManga:      Manga[]     = $state([]); // non-library manga needed for folders (e.g. completed)
   let loading:        boolean      = $state(true);
   let error:          string|null  = $state(null);
   let retryCount:     number       = $state(0);
@@ -26,15 +110,122 @@
   let ctx:     { x: number; y: number; manga: Manga } | null = $state(null);
   let emptyCtx:{ x: number; y: number } | null               = $state(null);
 
-  let prevChapterId: number | null = null;
+  // ── Multi-select ──────────────────────────────────────────────────────────
 
-  $effect(() => {
+  let selectedIds:   Set<number> = $state(new Set());
-    const wasOpen = prevChapterId !== null;
+  let selectMode:    boolean     = $state(false);
-    prevChapterId = store.activeChapter?.id ?? null;
+  let bulkWorking:   boolean     = $state(false);
-    if (wasOpen && !store.activeChapter) cache.clear(CACHE_KEYS.LIBRARY);
+  // Which folder-move popup is open (shows inline folder list)
-  });
+  let bulkMoveOpen:  boolean     = $state(false);
 
-  function fetchLibrary() {
+  function enterSelectMode(id?: number) {
+    selectMode = true;
+    if (id !== undefined) selectedIds = new Set([id]);
+  }
+
+  function exitSelectMode() {
+    selectMode  = false;
+    selectedIds = new Set();
+    bulkMoveOpen = false;
+  }
+
+  function toggleSelect(id: number) {
+    const next = new Set(selectedIds);
+    if (next.has(id)) next.delete(id); else next.add(id);
+    selectedIds = next;
+    if (next.size === 0) exitSelectMode();
+  }
+
+  function selectAll() {
+    selectedIds = new Set(visibleManga.map(m => m.id));
+  }
+
+  // Long-press to enter select mode on touch devices
+  let longPressTimer: ReturnType<typeof setTimeout> | null = null;
+  function onCardPointerDown(e: PointerEvent, m: Manga) {
+    if (e.button !== 0) return; // only primary
+    longPressTimer = setTimeout(() => {
+      longPressTimer = null;
+      enterSelectMode(m.id);
+    }, 500);
+  }
+  function onCardPointerUp() {
+    if (longPressTimer) { clearTimeout(longPressTimer); longPressTimer = null; }
+  }
+  function onCardPointerLeave() {
+    if (longPressTimer) { clearTimeout(longPressTimer); longPressTimer = null; }
+  }
+
+  function onCardClick(e: MouseEvent, m: Manga) {
+    if (selectMode) {
+      toggleSelect(m.id);
+      return;
+    }
+    // Cmd/Ctrl+click or Shift+click enters select mode
+    if (e.metaKey || e.ctrlKey || e.shiftKey) {
+      e.preventDefault();
+      enterSelectMode(m.id);
+      return;
+    }
+    store.activeManga = m;
+  }
+
+  // ── Bulk mutations ────────────────────────────────────────────────────────
+
+  async function bulkMoveToCategory(cat: Category) {
+    bulkWorking  = true;
+    bulkMoveOpen = false;
+    try {
+      await Promise.all(
+        [...selectedIds].map(id => {
+          const manga = allManga.find(m => m.id === id);
+          if (!manga) return Promise.resolve();
+          return toggleMangaCategory(manga, cat);
+        })
+      );
+    } finally {
+      bulkWorking = false;
+      exitSelectMode();
+    }
+  }
+
+  async function bulkRemoveFromLibrary() {
+    bulkWorking = true;
+    try {
+      await Promise.all(
+        [...selectedIds].map(id => {
+          const manga = allManga.find(m => m.id === id);
+          if (!manga) return Promise.resolve();
+          return removeFromLibrary(manga);
+        })
+      );
+    } finally {
+      bulkWorking = false;
+      exitSelectMode();
+    }
+  }
+
+  // ── Completed category auto-create ────────────────────────────────────────
+
+  async function ensureCompletedCategory(cats: Category[]): Promise<Category[]> {
+    if (cats.some(c => c.name === COMPLETED_NAME)) return cats;
+    try {
+      const res = await gql<{ createCategory: { category: Category } }>(CREATE_CATEGORY, { name: COMPLETED_NAME });
+      return [...cats, res.createCategory.category];
+    } catch { return cats; }
+  }
+
+  // ── Data loading ──────────────────────────────────────────────────────────
+
+  async function reloadCategories() {
+    try {
+      const d = await gql<{ categories: { nodes: Category[] } }>(GET_CATEGORIES);
+      const cats = await ensureCompletedCategory(d.categories.nodes);
+      setCategories(cats);
+    } catch (e) { console.error(e); }
+  }
+
+  function loadLibrary() {
     return cache.get(
       CACHE_KEYS.LIBRARY,
       () => gql<{ mangas: { nodes: Manga[] } }>(GET_LIBRARY).then(d => d.mangas.nodes),
@@ -43,11 +234,20 @@
     );
   }
 
-  function loadData() {
+  async function loadData() {
-    fetchLibrary()
+    try {
-      .then(nodes => { allManga = dedupeMangaByTitle(dedupeMangaById(nodes), store.settings.mangaLinks); error = null; })
+      const [nodes] = await Promise.all([loadLibrary(), reloadCategories()]);
-      .catch(e => error = e.message)
+      const mapped = nodes.map((m: any) => ({
-      .finally(() => loading = false);
+        ...m,
+        chapterCount: m.chapters?.totalCount ?? m.chapterCount ?? 0,
+      }));
+      allManga = dedupeMangaByTitle(dedupeMangaById(mapped), store.settings.mangaLinks);
+      error    = null;
+    } catch (e: any) {
+      error = e.message;
+    } finally {
+      loading = false;
+    }
   }
 
   $effect(() => {
@@ -57,59 +257,125 @@
     untrack(() => loadData());
   });
 
-  // Lazily fetch manga that are in a folder but not in the library (e.g. completed but removed from library)
-  $effect(() => {
-    const allIds   = new Set(allManga.map(m => m.id));
-    const missingIds = store.settings.folders
-      .flatMap(f => f.mangaIds)
-      .filter(id => !allIds.has(id));
-    if (!missingIds.length) return;
-    const toFetch = [...new Set(missingIds)].filter(id => !extraManga.some(m => m.id === id));
-    if (!toFetch.length) return;
-    untrack(() => {
-      Promise.all(
-        toFetch.map(id =>
-          cache.get(CACHE_KEYS.MANGA(id), () =>
-            gql<{ manga: Manga }>(GET_MANGA, { id }).then(d => d.manga)
-          ).catch(() => null)
-        )
-      ).then(results => {
-        const valid = results.filter(Boolean) as Manga[];
-        if (valid.length) extraManga = dedupeMangaById([...extraManga, ...valid]);
-      });
-    });
-  });
-
   $effect(() => { if (scrollEl) scrollEl.scrollTo({ top: 0 }); });
 
   $effect(() => {
-    const f = store.settings.folders.find(f => f.id === store.libraryFilter);
+    const f = store.libraryFilter;
-    if (f && !f.showTab) untrack(() => { store.libraryFilter = "library"; });
+    if (f === "library" || f === "downloaded") return;
+    const id = Number(f);
+    if (!store.categories.some(c => c.id === id)) {
+      untrack(() => { store.libraryFilter = "library"; });
+    }
   });
 
-  const isBuiltin = (f: string) => f === "library" || f === "downloaded";
+  // Exit select mode when the filter changes
+  $effect(() => { store.libraryFilter; untrack(() => exitSelectMode()); });
 
-  // All manga available for folder filtering — library + any extras fetched above
+  let prevChapterId: number | null = null;
-  const folderPool = $derived((() => {
+  $effect(() => {
-    const seen = new Set(allManga.map(m => m.id));
+    const wasOpen = prevChapterId !== null;
-    return [...allManga, ...extraManga.filter(m => !seen.has(m.id))];
+    prevChapterId = store.activeChapter?.id ?? null;
+    if (wasOpen && !store.activeChapter) {
+      cache.clear(CACHE_KEYS.LIBRARY);
+      untrack(() => loadData());
+    }
+  });
+
+  // ── Derived ───────────────────────────────────────────────────────────────
+
+  const visibleCategories = $derived((() => {
+    const defaultId = store.settings.defaultLibraryCategoryId ?? null;
+    return store.categories
+      .filter(c => c.id !== 0 && !(store.settings.hiddenCategoryIds ?? []).includes(c.id))
+      .sort((a, b) => {
+        if (a.id === defaultId) return -1;
+        if (b.id === defaultId) return  1;
+        return a.order - b.order;
+      });
+  })());
+
+  const categoryMangaMap = $derived((() => {
+    const map = new Map<number, Manga[]>();
+    for (const cat of store.categories) {
+      const nodes = cat.mangas?.nodes ?? [];
+      map.set(cat.id, nodes);
+    }
+    return map;
   })());
 
   const filtered = $derived((() => {
     const q      = search.trim().toLowerCase();
+    const mode   = tabSortMode;
+    const dir    = tabSortDir;
+    const status = tabStatus;
+
+    // 1. Pick the right base list for this tab
+    let items: Manga[];
     if (store.libraryFilter === "library") {
-      return q ? allManga.filter(m => m.title.toLowerCase().includes(q)) : allManga;
+      items = allManga;
+    } else if (store.libraryFilter === "downloaded") {
+      items = allManga.filter(m => (m.downloadCount ?? 0) > 0);
+    } else {
+      items = categoryMangaMap.get(Number(store.libraryFilter)) ?? [];
     }
-    if (store.libraryFilter === "downloaded") {
+
-      const items = allManga.filter(m => (m.downloadCount ?? 0) > 0);
+    // 2. NSFW filter — always applied before text search or sort
-      return q ? items.filter(m => m.title.toLowerCase().includes(q)) : items;
+    if (!store.settings.showNsfw) {
+      items = items.filter(m => !isNsfwManga(m));
     }
-    const folder = store.settings.folders.find(f => f.id === store.libraryFilter);
+
-    if (folder) {
+    // 3. Text search
-      const items = folderPool.filter(m => folder.mangaIds.includes(m.id));
+    if (q) items = items.filter(m => m.title.toLowerCase().includes(q));
-      return q ? items.filter(m => m.title.toLowerCase().includes(q)) : items;
+
+    // 4. Status filter
+    if (status !== "ALL") {
+      items = items.filter(m => {
+        const s = m.status?.toUpperCase().replace(/\s+/g, "_") ?? "UNKNOWN";
+        return s === status;
+      });
     }
-    return [];
+
+    // 5. Sort
+    const recentlyReadMap = new Map<number, number>();
+    if (mode === "recentlyRead") {
+      for (const h of store.history) {
+        if (!recentlyReadMap.has(h.mangaId)) recentlyReadMap.set(h.mangaId, h.readAt);
+      }
+    }
+
+    const sorted = [...items].sort((a, b) => {
+      let cmp = 0;
+      switch (mode) {
+        case "az":
+          cmp = a.title.localeCompare(b.title, undefined, { sensitivity: "base" });
+          break;
+        case "unreadCount":
+          cmp = (a.unreadCount ?? 0) - (b.unreadCount ?? 0);
+          break;
+        case "totalChapters":
+          cmp = (a.chapterCount ?? 0) - (b.chapterCount ?? 0);
+          break;
+        case "recentlyAdded":
+          // id is monotonically increasing on Suwayomi — higher = newer
+          cmp = a.id - b.id;
+          break;
+        case "recentlyRead": {
+          const ra = recentlyReadMap.get(a.id) ?? 0;
+          const rb = recentlyReadMap.get(b.id) ?? 0;
+          cmp = ra - rb;
+          break;
+        }
+        // latestFetched / latestUploaded: no per-manga date available at list level;
+        // fall back to id ordering so the option still does something sensible.
+        case "latestFetched":
+        case "latestUploaded":
+          cmp = a.id - b.id;
+          break;
+      }
+      return dir === "asc" ? cmp : -cmp;
+    });
+
+    return sorted;
   })());
 
   const cols           = $derived(Math.max(1, Math.floor((containerWidth + CARD_GAP) / (CARD_MIN_W + CARD_GAP))));
@@ -119,18 +385,98 @@
 
   $effect(() => { filtered; untrack(() => { renderVisible = store.settings.renderLimit ?? 48; }); });
 
-  const counts = $derived({
+  const counts = $derived((() => {
+    const m: Record<string, number> = {
       library:    allManga.length,
       downloaded: allManga.filter(m => (m.downloadCount ?? 0) > 0).length,
-    ...store.settings.folders.reduce((a, f) => ({ ...a, [f.id]: folderPool.filter(m => f.mangaIds.includes(m.id)).length }), {} as Record<string, number>),
+    };
-  });
+    for (const cat of visibleCategories) {
+      m[String(cat.id)] = (categoryMangaMap.get(cat.id) ?? []).length;
+    }
+    return m;
+  })());
 
   function loadMore() { renderVisible += store.settings.renderLimit ?? 48; }
 
+  // ── Drag: tab reorder ─────────────────────────────────────────────────────
+
+  let dragTabId:     number | null = $state(null);
+  let dragOverTabId: number | null = $state(null);
+  let dropTargetTabId: number | null = $state(null);
+
+  function onTabDragStart(e: DragEvent, cat: Category) {
+    activeDragKind = "tab";
+    dragTabId = cat.id;
+    e.dataTransfer!.effectAllowed = "move";
+    e.dataTransfer!.setData(DT_TAB, String(cat.id));
+    e.dataTransfer!.setData("text/plain", `tab:${cat.id}`);
+  }
+
+  function onTabDragOver(e: DragEvent, cat: Category, idx: number) {
+    if (activeDragKind !== "tab") return;
+    if (dragTabId === null || dragTabId === cat.id) return;
+    e.preventDefault();
+    e.dataTransfer!.dropEffect = "move";
+    dragOverTabId = cat.id;
+    dragInsertIdx = idx;
+  }
+
+  function onTabDragLeave() {
+    dragOverTabId = null;
+  }
+
+  async function onTabDrop(e: DragEvent, dropCat: Category) {
+    e.preventDefault();
+    dragOverTabId = null;
+    dragInsertIdx = -1;
+
+    if (activeDragKind !== "tab") return;
+    if (dragTabId === null || dragTabId === dropCat.id) { dragTabId = null; return; }
+
+    const dragId = dragTabId;
+    dragTabId = null;
+    activeDragKind = null;
+
+    const sorted = [...store.categories]
+      .filter(c => c.id !== 0)
+      .sort((a, b) => a.order - b.order);
+
+    const fromIdx = sorted.findIndex(c => c.id === dragId);
+    const toIdx   = sorted.findIndex(c => c.id === dropCat.id);
+    if (fromIdx < 0 || toIdx < 0) return;
+
+    const reordered = [...sorted];
+    const [moved]   = reordered.splice(fromIdx, 1);
+    reordered.splice(toIdx, 0, moved);
+    const withNewOrder = reordered.map((c, i) => ({ ...c, order: i + 1 }));
+    setCategories(store.categories.map(c => withNewOrder.find(u => u.id === c.id) ?? c));
+
+    const newPos = toIdx + 1;
+    try {
+      await gql<{ updateCategoryOrder: { categories: Category[] } }>(
+        UPDATE_CATEGORY_ORDER,
+        { id: dragId, position: newPos },
+      );
+    } catch (err) {
+      console.error("Tab reorder failed:", err);
+      await reloadCategories();
+    }
+  }
+
+  function onTabDragEnd() {
+    activeDragKind = null;
+    dragTabId = null;
+    dragOverTabId = null;
+    dragInsertIdx = -1;
+  }
+
+  // ── Mutations ─────────────────────────────────────────────────────────────
+
   async function removeFromLibrary(manga: Manga) {
     await gql(UPDATE_MANGA, { id: manga.id, inLibrary: false }).catch(console.error);
     allManga = allManga.filter(m => m.id !== manga.id);
     cache.clearGroup(CACHE_GROUPS.LIBRARY);
+    await reloadCategories();
   }
 
   async function deleteAllDownloads(manga: Manga) {
@@ -144,32 +490,126 @@
     } catch (e) { console.error(e); }
   }
 
-  function openCtx(e: MouseEvent, m: Manga) { e.preventDefault(); ctx = { x: e.clientX, y: e.clientY, manga: m }; }
+  async function toggleMangaCategory(manga: Manga, cat: Category) {
+    const inCat = (categoryMangaMap.get(cat.id) ?? []).some(m => m.id === manga.id);
+    setCategories(store.categories.map(c => {
+      if (c.id !== cat.id || !c.mangas) return c;
+      const nodes = inCat
+        ? c.mangas.nodes.filter(m => m.id !== manga.id)
+        : [...c.mangas.nodes, manga];
+      return { ...c, mangas: { nodes } };
+    }));
+    try {
+      await gql(UPDATE_MANGA_CATEGORIES, {
+        mangaId:    manga.id,
+        addTo:      inCat ? [] : [cat.id],
+        removeFrom: inCat ? [cat.id] : [],
+      });
+      await reloadCategories();
+    } catch (e) {
+      console.error(e);
+      await reloadCategories();
+    }
+  }
+
+  async function createAndAssign(manga: Manga) {
+    const name = prompt("Folder name:");
+    if (!name?.trim()) return;
+    try {
+      const res = await gql<{ createCategory: { category: Category } }>(CREATE_CATEGORY, { name: name.trim() });
+      const cat = res.createCategory.category;
+      await gql(UPDATE_MANGA_CATEGORIES, { mangaId: manga.id, addTo: [cat.id], removeFrom: [] });
+      await reloadCategories();
+    } catch (e) { console.error(e); }
+  }
+
+  // ── Context menu ──────────────────────────────────────────────────────────
+
+  function openCtx(e: MouseEvent, m: Manga) {
+    if (selectMode) { toggleSelect(m.id); return; }
+    e.preventDefault();
+    ctx = { x: e.clientX, y: e.clientY, manga: m };
+  }
 
   function buildCtxItems(m: Manga): MenuEntry[] {
-    const mangaFolders = getMangaFolders(m.id);
+    const catEntries: MenuEntry[] = visibleCategories.map(cat => {
-    const folderEntries: MenuEntry[] = store.settings.folders.map(f => {
+      const inCat = (categoryMangaMap.get(cat.id) ?? []).some(x => x.id === m.id);
-      const inFolder = mangaFolders.some(mf => mf.id === f.id);
+      return {
-      return { label: inFolder ? `Remove from ${f.name}` : `Add to ${f.name}`, icon: Folder, onClick: () => inFolder ? removeMangaFromFolder(f.id, m.id) : assignMangaToFolder(f.id, m.id) };
+        label: inCat ? `Remove from ${cat.name}` : `Add to ${cat.name}`,
+        icon:  Folder,
+        onClick: () => toggleMangaCategory(m, cat),
+      };
     });
     return [
       { label: m.inLibrary ? "Remove from library" : "Add to library", icon: Books, onClick: () => m.inLibrary ? removeFromLibrary(m) : gql(UPDATE_MANGA, { id: m.id, inLibrary: true }).then(() => { allManga = allManga.map(x => x.id === m.id ? { ...x, inLibrary: true } : x); cache.clear(CACHE_KEYS.LIBRARY); }).catch(console.error) },
       { label: "Delete all downloads", icon: Trash, danger: true, disabled: !(m.downloadCount && m.downloadCount > 0), onClick: () => deleteAllDownloads(m) },
-      ...(folderEntries.length ? [{ separator: true } as MenuEntry, ...folderEntries] : []),
       { separator: true },
-      { label: "New folder", icon: FolderSimplePlus, onClick: () => { const name = prompt("Folder name:"); if (name?.trim()) { const id = addFolder(name.trim()); assignMangaToFolder(id, m.id); } } },
+      { label: "Select this manga", icon: CheckSquare, onClick: () => enterSelectMode(m.id) },
+      ...(catEntries.length ? [{ separator: true } as MenuEntry, ...catEntries] : []),
+      { separator: true },
+      { label: "New folder", icon: FolderSimplePlus, onClick: () => createAndAssign(m) },
     ];
   }
 
   function buildEmptyCtx(): MenuEntry[] {
-    return [{ label: "New folder", icon: FolderSimplePlus, onClick: () => { const name = prompt("Folder name:"); if (name?.trim()) addFolder(name.trim()); } }];
+    return [{
+      label: "New folder",
+      icon:  FolderSimplePlus,
+      onClick: async () => {
+        const name = prompt("Folder name:");
+        if (!name?.trim()) return;
+        try {
+          await gql(CREATE_CATEGORY, { name: name.trim() });
+          await reloadCategories();
+        } catch (e) { console.error(e); }
+      },
+    }];
+  }
+
+  // ── Completed auto-assign ─────────────────────────────────────────────────
+
+  export async function checkAndMarkCompleted(mangaId: number, chaps: Chapter[]) {
+    await storeCheckAndMarkCompleted(mangaId, chaps, store.categories, gql, UPDATE_MANGA_CATEGORIES, UPDATE_MANGA);
+    await reloadCategories();
   }
 
   onMount(() => {
     const ro = new ResizeObserver(([e]) => containerWidth = e.contentRect.width);
     ro.observe(scrollEl);
-    const unsub = cache.subscribe(CACHE_KEYS.LIBRARY, loadData);
+    const unsub = cache.subscribe(CACHE_KEYS.LIBRARY, () => loadData());
-    return () => { ro.disconnect(); unsub(); };
+
+    const defaultId = store.settings.defaultLibraryCategoryId;
+    if (defaultId && store.libraryFilter === "library") {
+      store.libraryFilter = String(defaultId);
+    }
+
+    // Escape key exits select mode
+    function onKeyDown(e: KeyboardEvent) {
+      if (e.key === "Escape" && (sortPanelOpen || filterPanelOpen)) {
+        sortPanelOpen = false; filterPanelOpen = false; return;
+      }
+      if (e.key === "Escape" && selectMode) exitSelectMode();
+      if ((e.key === "a" && (e.metaKey || e.ctrlKey)) && selectMode) {
+        e.preventDefault();
+        selectAll();
+      }
+    }
+
+    function onDocMouseDown(e: MouseEvent) {
+      const target = e.target as HTMLElement;
+      if (sortPanelOpen   && !target.closest(".sort-panel-wrap, .sort-panel"))   sortPanelOpen   = false;
+      if (filterPanelOpen && !target.closest(".filter-panel-wrap, .filter-panel")) filterPanelOpen = false;
+    }
+
+    window.addEventListener("keydown", onKeyDown);
+    document.addEventListener("mousedown", onDocMouseDown, true);
+
+    return () => {
+      ro.disconnect();
+      unsub();
+      window.removeEventListener("keydown", onKeyDown);
+      document.removeEventListener("mousedown", onDocMouseDown, true);
+    };
   });
 </script>
 
@@ -223,20 +663,166 @@
               <span class="tab-count">{counts[f] ?? 0}</span>
             </button>
           {/each}
-          {#each store.settings.folders.filter(f => f.showTab) as folder}
+          {#each visibleCategories as cat, idx}
-            <button class="tab" class:active={store.libraryFilter === folder.id} onclick={() => store.libraryFilter = folder.id}>
+            {@const isDefault = (store.settings.defaultLibraryCategoryId ?? null) === cat.id}
+            {#if dragInsertIdx === idx && activeDragKind === "tab"}
+              <div class="tab-insert-bar" aria-hidden="true"></div>
+            {/if}
+            <button
+              class="tab"
+              class:active={store.libraryFilter === String(cat.id)}
+              class:tab-dragging={dragTabId === cat.id}
+              class:tab-drop-target={dropTargetTabId === cat.id}
+              class:tab-default={isDefault}
+              draggable="true"
+              onclick={() => store.libraryFilter = String(cat.id)}
+              ondragstart={(e) => onTabDragStart(e, cat)}
+              ondragover={(e) => onTabDragOver(e, cat, idx)}
+              ondragleave={onTabDragLeave}
+              ondrop={(e) => onTabDrop(e, cat)}
+              ondragend={onTabDragEnd}
+            >
+              {#if isDefault}
+                <Star size={11} weight="fill" style="color:var(--accent-fg)" />
+              {:else}
                 <Folder size={11} weight="bold" />
-              {folder.name}
+              {/if}
-              <span class="tab-count">{counts[folder.id] ?? 0}</span>
+              {cat.name}
+              <span class="tab-count">{counts[String(cat.id)] ?? 0}</span>
             </button>
+            {#if dragInsertIdx === idx + 1 && activeDragKind === "tab" && idx === visibleCategories.length - 1}
+              <div class="tab-insert-bar" aria-hidden="true"></div>
+            {/if}
           {/each}
         </div>
       </div>
+      <div class="header-right">
         <div class="search-wrap">
           <MagnifyingGlass size={13} class="search-icon" weight="light" />
           <input class="search" placeholder="Search" bind:value={search} />
         </div>
+
+        <!-- Sort panel -->
+        <div class="sort-panel-wrap">
+          <button
+            class="icon-btn"
+            class:icon-btn-active={tabSortMode !== "az" || tabSortDir !== "asc"}
+            title="Sort"
+            onclick={openSortPanel}
+          >
+            <SortAscending size={15} weight="bold" />
+          </button>
+          {#if sortPanelOpen}
+            <div class="dropdown-panel sort-panel" role="menu">
+              <p class="panel-label">Sort by</p>
+              {#each ALL_SORT_MODES as m}
+                <button
+                  class="panel-item"
+                  class:panel-item-active={tabSortMode === m}
+                  role="menuitem"
+                  onclick={() => { setTabSort(m); sortPanelOpen = false; }}
+                >
+                  {SORT_LABELS[m]}
+                  {#if tabSortMode === m}
+                    {#if tabSortDir === "asc"}
+                      <CaretUp size={11} weight="bold" class="sort-caret" />
+                    {:else}
+                      <CaretDown size={11} weight="bold" class="sort-caret" />
+                    {/if}
+                  {/if}
+                </button>
+              {/each}
+              <button
+                class="panel-item dir-toggle"
+                role="menuitem"
+                onclick={toggleTabSortDir}
+              >
+                {tabSortDir === "asc" ? "Ascending" : "Descending"}
+                {#if tabSortDir === "asc"}
+                  <CaretUp size={11} weight="bold" />
+                {:else}
+                  <CaretDown size={11} weight="bold" />
+                {/if}
+              </button>
             </div>
+          {/if}
+        </div>
+
+        <!-- Filter panel -->
+        <div class="filter-panel-wrap">
+          <button
+            class="icon-btn"
+            class:icon-btn-active={tabStatus !== "ALL"}
+            title="Filter by status"
+            onclick={openFilterPanel}
+          >
+            <Funnel size={15} weight={tabStatus !== "ALL" ? "fill" : "bold"} />
+          </button>
+          {#if filterPanelOpen}
+            <div class="dropdown-panel filter-panel" role="menu">
+              <p class="panel-label">Filter by status</p>
+              {#each ALL_STATUS_FILTERS as s}
+                <button
+                  class="panel-item"
+                  class:panel-item-active={tabStatus === s}
+                  role="menuitem"
+                  onclick={() => setTabStatus(s)}
+                >
+                  {STATUS_LABELS[s]}
+                </button>
+              {/each}
+            </div>
+          {/if}
+        </div>
+      </div>
+    </div>
+
+    <!-- ── Selection toolbar ───────────────────────────────────────────────── -->
+    {#if selectMode}
+      <div class="select-bar">
+        <div class="select-bar-left">
+          <button class="sel-btn sel-cancel" onclick={exitSelectMode} title="Cancel (Esc)">
+            <X size={13} weight="bold" />
+          </button>
+          <span class="sel-count">{selectedIds.size} selected</span>
+          <button class="sel-btn sel-all" onclick={selectAll} title="Select all (⌘A)">
+            Select all
+          </button>
+        </div>
+        <div class="select-bar-right">
+          {#if visibleCategories.length}
+            <div class="bulk-move-wrap">
+              <button
+                class="sel-btn sel-move"
+                disabled={selectedIds.size === 0 || bulkWorking}
+                onclick={() => bulkMoveOpen = !bulkMoveOpen}
+              >
+                <Folder size={13} weight="bold" />
+                Move to folder
+              </button>
+              {#if bulkMoveOpen}
+                <div class="bulk-folder-list">
+                  {#each visibleCategories as cat}
+                    <button class="bulk-folder-item" onclick={() => bulkMoveToCategory(cat)}>
+                      <Folder size={11} weight="bold" />
+                      {cat.name}
+                    </button>
+                  {/each}
+                </div>
+              {/if}
+            </div>
+          {/if}
+          <button
+            class="sel-btn sel-remove"
+            disabled={selectedIds.size === 0 || bulkWorking}
+            onclick={bulkRemoveFromLibrary}
+          >
+            <Trash size={13} weight="bold" />
+            Remove
+          </button>
+        </div>
+      </div>
+    {/if}
 
     <div class="content">
     {#if loading}
@@ -257,11 +843,32 @@
     {:else}
       <div class="grid" style="--cols:{cols}">
         {#each visibleManga as m (m.id)}
-          <button class="card" onclick={() => store.activeManga = m} oncontextmenu={(e) => openCtx(e, m)}>
+          {@const isSelected = selectedIds.has(m.id)}
+          <button
+            class="card"
+            class:card-selected={isSelected}
+            class:select-mode={selectMode}
+            onclick={(e) => onCardClick(e, m)}
+            oncontextmenu={(e) => openCtx(e, m)}
+            onpointerdown={(e) => onCardPointerDown(e, m)}
+            onpointerup={onCardPointerUp}
+            onpointerleave={onCardPointerLeave}
+          >
             <div class="cover-wrap">
-              <img src={thumbUrl(m.thumbnailUrl)} alt={m.title} class="cover" style="object-fit:{store.settings.libraryCropCovers ? 'cover' : 'contain'}" loading="lazy" decoding="async" />
+              <img src={thumbUrl(m.thumbnailUrl)} alt={m.title} class="cover" style="object-fit:{store.settings.libraryCropCovers ? 'cover' : 'contain'}" loading="lazy" decoding="async" draggable="false" />
               {#if m.downloadCount}<span class="badge-dl">{m.downloadCount}</span>{/if}
               {#if m.unreadCount}<span class="badge-unread">{m.unreadCount}</span>{/if}
+              {#if selectMode}
+                <div class="select-overlay" aria-hidden="true">
+                  <div class="select-check" class:checked={isSelected}>
+                    {#if isSelected}
+                      <CheckSquare size={20} weight="fill" />
+                    {:else}
+                      <div class="select-check-empty"></div>
+                    {/if}
+                  </div>
+                </div>
+              {/if}
             </div>
             <p class="title">{m.title}</p>
           </button>
@@ -288,32 +895,91 @@
 {/if}
 
 <style>
-  .root { position: relative; display: flex; flex-direction: column; height: 100%; overflow: hidden; animation: fadeIn 0.14s ease both; }
+  .root { position: relative; display: flex; flex-direction: column; height: 100%; overflow: visible; animation: fadeIn 0.14s ease both; }
   .content { flex: 1; overflow-y: auto; padding: var(--sp-5) var(--sp-6) var(--sp-6); will-change: scroll-position; -webkit-overflow-scrolling: touch; }
   .branches { position: absolute; top: 0; right: 0; width: 400px; height: 600px; pointer-events: none; z-index: 0; }
   .branches :global(.anim-branch) { stroke-dasharray: 60; stroke-dashoffset: 60; animation: branchGrow 2.4s ease forwards; }
   @keyframes branchGrow { to { stroke-dashoffset: 0; } }
-  .header { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4) var(--sp-6); border-bottom: 1px solid var(--border-dim); gap: var(--sp-4); flex-wrap: wrap; flex-shrink: 0; }
+  .header { position: relative; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4) var(--sp-6); border-bottom: 1px solid var(--border-dim); gap: var(--sp-4); flex-wrap: wrap; flex-shrink: 0; }
   .header-left { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
   .heading { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--text-faint); letter-spacing: var(--tracking-wider); text-transform: uppercase; flex-shrink: 0; }
   .tabs { display: flex; gap: 2px; background: var(--bg-raised); border: 1px solid var(--border-dim); border-radius: var(--radius-md); padding: 2px; }
-  .tab { display: flex; align-items: center; gap: 5px; font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-sm); color: var(--text-faint); white-space: nowrap; transition: background var(--t-base), color var(--t-base); }
+  .tab { display: flex; align-items: center; gap: 5px; font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-sm); color: var(--text-faint); white-space: nowrap; transition: background var(--t-base), color var(--t-base); cursor: grab; }
   .tab:hover { color: var(--text-muted); }
   .tab.active { background: var(--accent-muted); color: var(--accent-fg); border: 1px solid var(--accent-dim); }
+  .tab-default { color: var(--text-muted); }
+  .tab-dragging { opacity: 0.4; cursor: grabbing; }
+  .tab-drop-target { background: var(--accent-muted) !important; color: var(--accent-fg) !important; outline: 1px dashed var(--accent); }
+  .tab-insert-bar { width: 2px; height: 22px; background: var(--accent); border-radius: 2px; flex-shrink: 0; box-shadow: 0 0 6px var(--accent); pointer-events: none; }
   .tab-count { font-size: var(--text-2xs); opacity: 0.6; }
   .search-wrap { position: relative; display: flex; align-items: center; }
   .search-wrap :global(.search-icon) { position: absolute; left: 10px; color: var(--text-faint); pointer-events: none; }
   .search { background: var(--bg-raised); border: 1px solid var(--border-dim); border-radius: var(--radius-md); padding: 5px 10px 5px 28px; color: var(--text-primary); font-size: var(--text-sm); width: 180px; outline: none; transition: border-color var(--t-base); }
   .search::placeholder { color: var(--text-faint); }
   .search:focus { border-color: var(--border-strong); }
-  .grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(var(--cols, auto-fill), minmax(130px, 1fr)); gap: var(--sp-4); }
+
+  /* ── Header right cluster ───────────────────────────────────────────────── */
+  .header-right { display: flex; align-items: center; gap: var(--sp-2); }
+
+  /* ── Icon buttons (sort / filter triggers) ──────────────────────────────── */
+  .icon-btn { display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: var(--radius-md); border: 1px solid var(--border-dim); background: var(--bg-raised); color: var(--text-faint); cursor: pointer; flex-shrink: 0; transition: color var(--t-base), border-color var(--t-base), background var(--t-base); }
+  .icon-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }
+  .icon-btn-active { color: var(--accent-fg); border-color: var(--accent-dim); background: var(--accent-muted); }
+
+  /* ── Dropdown panels (shared) ───────────────────────────────────────────── */
+  .sort-panel-wrap,
+  .filter-panel-wrap { position: relative; }
+  .dropdown-panel { position: absolute; top: calc(100% + 6px); right: 0; z-index: 9999; min-width: 220px; background: var(--bg-overlay, #1a1a1a); border: 1px solid var(--border-base); border-radius: var(--radius-md); padding: 6px; box-shadow: 0 12px 36px rgba(0,0,0,0.55), 0 2px 8px rgba(0,0,0,0.3); animation: fadeIn 0.1s ease both; }
+  .panel-label { font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wider); text-transform: uppercase; color: var(--text-faint); padding: 4px 8px 8px; }
+  .panel-item { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 7px 10px; border-radius: var(--radius-sm); border: none; background: transparent; color: var(--text-muted); font-family: var(--font-ui); font-size: var(--text-xs); cursor: pointer; text-align: left; transition: background var(--t-base), color var(--t-base); gap: var(--sp-2); }
+  .panel-item:hover { background: var(--bg-subtle, #202020); color: var(--text-primary); }
+  .panel-item-active { color: var(--accent-fg); background: var(--accent-muted); font-weight: var(--weight-medium, 500); }
+  .panel-item-active:hover { background: var(--accent-dim); }
+  .panel-divider { height: 1px; background: var(--border-dim); margin: 4px 2px; }
+  .dir-toggle { color: var(--text-secondary); justify-content: flex-start; gap: var(--sp-2); border-top: 1px solid var(--border-dim); border-radius: 0 0 var(--radius-sm) var(--radius-sm); margin-top: 2px; padding-top: 9px; }
+  .sort-caret { flex-shrink: 0; }
+
+  /* ── Selection toolbar ──────────────────────────────────────────────────── */
+  .select-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); padding: var(--sp-2) var(--sp-6); background: var(--bg-raised); border-bottom: 1px solid var(--accent-dim); flex-shrink: 0; animation: fadeIn 0.1s ease both; }
+  .select-bar-left { display: flex; align-items: center; gap: var(--sp-3); }
+  .select-bar-right { display: flex; align-items: center; gap: var(--sp-2); position: relative; }
+  .sel-count { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--accent-fg); letter-spacing: var(--tracking-wide); }
+  .sel-btn { display: flex; align-items: center; gap: 5px; font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border-dim); background: var(--bg-base); color: var(--text-muted); cursor: pointer; transition: color var(--t-base), border-color var(--t-base), background var(--t-base); white-space: nowrap; }
+  .sel-btn:hover:not(:disabled) { color: var(--text-primary); border-color: var(--border-strong); }
+  .sel-btn:disabled { opacity: 0.4; cursor: not-allowed; }
+  .sel-cancel { border-color: transparent; background: transparent; }
+  .sel-cancel:hover { background: var(--bg-raised); border-color: var(--border-dim); }
+  .sel-move { color: var(--accent-fg); border-color: var(--accent-dim); background: var(--accent-muted); }
+  .sel-move:hover:not(:disabled) { background: var(--accent-dim); }
+  .sel-remove { color: var(--color-error, #e05c5c); border-color: color-mix(in srgb, var(--color-error, #e05c5c) 30%, transparent); }
+  .sel-remove:hover:not(:disabled) { background: color-mix(in srgb, var(--color-error, #e05c5c) 12%, transparent); }
+  .sel-all { border-color: transparent; background: transparent; }
+
+  /* Bulk folder dropdown */
+  .bulk-move-wrap { position: relative; }
+  .bulk-folder-list { position: absolute; top: calc(100% + 4px); right: 0; z-index: 200; background: var(--bg-raised); border: 1px solid var(--border-dim); border-radius: var(--radius-md); padding: 4px; min-width: 160px; box-shadow: 0 8px 24px rgba(0,0,0,0.35); animation: fadeIn 0.1s ease both; }
+  .bulk-folder-item { display: flex; align-items: center; gap: 6px; width: 100%; padding: 6px 10px; border-radius: var(--radius-sm); border: none; background: transparent; color: var(--text-muted); font-family: var(--font-ui); font-size: var(--text-xs); cursor: pointer; text-align: left; transition: background var(--t-base), color var(--t-base); }
+  .bulk-folder-item:hover { background: var(--bg-hover, var(--bg-base)); color: var(--text-primary); }
+
+  /* ── Grid & cards ───────────────────────────────────────────────────────── */
+  .grid { position: relative; z-index: 1; isolation: isolate; display: grid; grid-template-columns: repeat(var(--cols, auto-fill), minmax(130px, 1fr)); gap: var(--sp-4); }
   .card { background: none; border: none; padding: 0; cursor: pointer; text-align: left; }
   .card:hover .cover { filter: brightness(1.07); }
   .card:hover .title { color: var(--text-primary); }
-  .cover-wrap { position: relative; aspect-ratio: 2/3; overflow: hidden; border-radius: var(--radius-md); background: var(--bg-raised); border: 1px solid var(--border-dim); transform: translateZ(0); }
+  .card.select-mode { cursor: default; }
+  .card.card-selected .cover-wrap { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: var(--radius-md); }
+  .card.card-selected .title { color: var(--accent-fg); }
+  .cover-wrap { position: relative; aspect-ratio: 2/3; overflow: hidden; border-radius: var(--radius-md); background: var(--bg-raised); border: 1px solid var(--border-dim); }
   .cover { width: 100%; height: 100%; transition: filter var(--t-base); will-change: filter; }
   .badge-dl { position: absolute; bottom: var(--sp-1); right: var(--sp-1); min-width: 18px; height: 18px; padding: 0 3px; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: bold; background: var(--accent-dim); color: var(--accent-fg); border-radius: var(--radius-sm); border: 1px solid var(--accent-muted); }
   .badge-unread { position: absolute; top: var(--sp-1); left: var(--sp-1); min-width: 18px; height: 18px; padding: 0 4px; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: bold; background: var(--bg-void); color: var(--text-primary); border-radius: var(--radius-sm); border: 1px solid var(--border-strong); }
+
+  /* Select overlay (checkbox) */
+  .select-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.18); display: flex; align-items: flex-start; justify-content: flex-end; padding: 6px; pointer-events: none; }
+  .select-check { color: var(--text-faint); opacity: 0.7; transition: color var(--t-base), opacity var(--t-base); }
+  .select-check.checked { color: var(--accent-fg); opacity: 1; }
+  .select-check-empty { width: 20px; height: 20px; border-radius: 4px; border: 2px solid var(--text-faint); background: rgba(0,0,0,0.3); }
+
   .title { margin-top: var(--sp-2); font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--leading-snug); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color var(--t-base); }
   .card-skeleton { padding: 0; }
   .cover-skeleton { aspect-ratio: 2/3; border-radius: var(--radius-md); }

src/components/pages/Search.svelte

@@ -3,7 +3,7 @@
   import { gql, thumbUrl } from "../../lib/client";
   import { GET_SOURCES, FETCH_SOURCE_MANGA } from "../../lib/queries";
   import { cache, CACHE_KEYS, getPageSet } from "../../lib/cache";
-  import { dedupeSources, dedupeMangaById, dedupeMangaByTitle } from "../../lib/util";
+  import { dedupeSources, dedupeMangaById, dedupeMangaByTitle, isNsfwManga } from "../../lib/util";
   import { store, setSearchPrefill, setPreviewManga } from "../../store/state.svelte";
   import type { Manga, Source } from "../../lib/types";
 
@@ -146,8 +146,11 @@
           FETCH_SOURCE_MANGA, { source: src.id, type: "SEARCH", page: 1, query: trimmed }, ctrl.signal,
         );
         if (ctrl.signal.aborted) return;
+        const mangas = store.settings.showNsfw
+          ? d.fetchSourceManga.mangas
+          : d.fetchSourceManga.mangas.filter((m) => !isNsfwManga(m));
         kw_results = kw_results.map((r) =>
-          r.source.id === src.id ? { ...r, mangas: d.fetchSourceManga.mangas, loading: false } : r,
+          r.source.id === src.id ? { ...r, mangas, loading: false } : r,
         );
       } catch (e: any) {
         if (ctrl.signal.aborted || e?.name === "AbortError") return;
@@ -243,7 +246,8 @@
       ctrl.signal,
     ).then((d) => {
       if (ctrl.signal.aborted) return;
-      tag_localResults  = d.mangas.nodes;
+      const nsfwFilter = (m: Manga) => store.settings.showNsfw || !isNsfwManga(m);
+      tag_localResults  = d.mangas.nodes.filter(nsfwFilter);
       tag_totalCount    = d.mangas.totalCount;
       tag_localHasNext  = d.mangas.pageInfo.hasNextPage;
       tag_localOffset   = (store.settings.renderLimit ?? 48);
@@ -279,9 +283,10 @@
       ps.add(1);
       tag_srcNextPage.set(src.id, result.hasNextPage ? 2 : -1);
       tag_srcNextPage = new Map(tag_srcNextPage);
-      const matching = activeTags.length > 1
+      const matching = (activeTags.length > 1
         ? result.mangas.filter((m) => matchesAllTags(m, activeTags))
-        : result.mangas;
+        : result.mangas
+      ).filter((m) => store.settings.showNsfw || !isNsfwManga(m));
       if (matching.length > 0) {
         tag_sourceResults = dedupeMangaByTitle(dedupeMangaById([...tag_sourceResults, ...matching]), store.settings.mangaLinks);
         tag_loadingSourceSearch = false;
@@ -304,7 +309,8 @@
         ctrl.signal,
       );
       if (ctrl.signal.aborted) return;
-      tag_localResults  = [...tag_localResults, ...d.mangas.nodes];
+      const nsfwFilter = (m: Manga) => store.settings.showNsfw || !isNsfwManga(m);
+      tag_localResults  = [...tag_localResults, ...d.mangas.nodes.filter(nsfwFilter)];
       tag_localHasNext  = d.mangas.pageInfo.hasNextPage;
       tag_localOffset  += (store.settings.renderLimit ?? 48);
     } catch (e: any) {
@@ -340,9 +346,10 @@
         ps.add(page);
         tag_srcNextPage.set(src.id, result.hasNextPage ? page + 1 : -1);
         tag_srcNextPage = new Map(tag_srcNextPage);
-        const matching = tag_activeTags.length > 1
+        const matching = (tag_activeTags.length > 1
           ? result.mangas.filter((m) => matchesAllTags(m, tag_activeTags))
-          : result.mangas;
+          : result.mangas
+        ).filter((m) => store.settings.showNsfw || !isNsfwManga(m));
         if (matching.length > 0) {
           tag_sourceResults = dedupeMangaByTitle(dedupeMangaById([...tag_sourceResults, ...matching]), store.settings.mangaLinks);
         }
@@ -422,7 +429,10 @@
         FETCH_SOURCE_MANGA, { source: src.id, type, page, query: q ?? null }, ctrl.signal,
       );
       if (ctrl.signal.aborted) return;
-      src_browseResults = page === 1 ? d.fetchSourceManga.mangas : [...src_browseResults, ...d.fetchSourceManga.mangas];
+      const incoming = store.settings.showNsfw
+        ? d.fetchSourceManga.mangas
+        : d.fetchSourceManga.mangas.filter((m) => !isNsfwManga(m));
+      src_browseResults = page === 1 ? incoming : [...src_browseResults, ...incoming];
       src_hasNextPage = d.fetchSourceManga.hasNextPage;
       src_currentPage = page;
     } catch (e: any) {
@@ -1113,7 +1123,7 @@
     padding: 4px 10px;
     border-radius: var(--radius-sm);
     background: none;
-    border: none;
+    border: 1px solid transparent;
     color: var(--text-faint);
     cursor: pointer;
     transition: background var(--t-base), color var(--t-base);

src/components/pages/SeriesDetail.svelte

@@ -2,10 +2,11 @@
   import { onMount, untrack } from "svelte";
   import { ArrowLeft, BookmarkSimple, Download, CheckCircle, Circle, ArrowSquareOut, CircleNotch, Play, SortAscending, SortDescending, CaretDown, ArrowsClockwise, List, SquaresFour, FolderSimplePlus, Trash, DownloadSimple, X, LinkSimpleHorizontalBreak, ChartLineUp } from "phosphor-svelte";
   import { gql, thumbUrl } from "../../lib/client";
-  import { GET_MANGA, GET_CHAPTERS, FETCH_CHAPTERS, ENQUEUE_DOWNLOAD, UPDATE_MANGA, MARK_CHAPTER_READ, MARK_CHAPTERS_READ, DELETE_DOWNLOADED_CHAPTERS, ENQUEUE_CHAPTERS_DOWNLOAD, GET_ALL_MANGA } from "../../lib/queries";
+  import { GET_MANGA, GET_CHAPTERS, FETCH_CHAPTERS, ENQUEUE_DOWNLOAD, UPDATE_MANGA, MARK_CHAPTER_READ, MARK_CHAPTERS_READ, DELETE_DOWNLOADED_CHAPTERS, ENQUEUE_CHAPTERS_DOWNLOAD, GET_ALL_MANGA, GET_CATEGORIES, CREATE_CATEGORY, UPDATE_MANGA_CATEGORIES } from "../../lib/queries";
   import { cache, CACHE_KEYS, recordSourceAccess } from "../../lib/cache";
-  import { store, addToast, updateSettings, addFolder, assignMangaToFolder, removeMangaFromFolder, getMangaFolders, openReader, checkAndMarkCompleted, setActiveManga, setGenreFilter, setNavPage, linkManga, unlinkManga } from "../../store/state.svelte";
+  import { dedupeMangaById, dedupeMangaByTitle } from "../../lib/util";
-  import type { Manga, Chapter } from "../../lib/types";
+  import { store, addToast, updateSettings, openReader, setActiveManga, setGenreFilter, setNavPage, linkManga, unlinkManga, checkAndMarkCompleted as storeCheckAndMarkCompleted } from "../../store/state.svelte";
+  import type { Manga, Chapter, Category } from "../../lib/types";
   import ContextMenu, { type MenuEntry } from "../shared/ContextMenu.svelte";
   import MigrateModal from "./MigrateModal.svelte";
   import TrackingPanel from "../shared/TrackingPanel.svelte";
@@ -36,6 +37,9 @@
   let folderPickerOpen: boolean         = $state(false);
   let folderCreating:  boolean          = $state(false);
   let folderNewName:   string           = $state("");
+  let mangaCategories: Category[]       = $state([]);
+  let allCategories:   Category[]       = $state([]);
+  let catsLoading:     boolean          = $state(false);
   let rangeFrom:       string           = $state("");
   let rangeTo:         string           = $state("");
   let showRange:       boolean          = $state(false);
@@ -83,6 +87,15 @@
     }
     return sortDir === "desc" ? base.reverse() : base;
   });
+
+  /**
+   * Chapter list in canonical reading order (ch1 -> ch2 -> ch3).
+   * Always passed to openReader so the Reader's idx-based prev/next
+   * navigation is direction-independent of the user's display sort.
+   */
+  const chaptersAsc = $derived(
+    [...chapters].sort((a, b) => a.sourceOrder - b.sourceOrder)
+  );
   const totalPages     = $derived(Math.ceil(sortedChapters.length / CHAPTERS_PER_PAGE));
   const pageChapters   = $derived(sortedChapters.slice((chapterPage - 1) * CHAPTERS_PER_PAGE, chapterPage * CHAPTERS_PER_PAGE));
   const readCount      = $derived(chapters.filter(c => c.isRead).length);
@@ -102,9 +115,34 @@
   })());
 
   const statusLabel     = $derived(manga?.status ? manga.status.charAt(0) + manga.status.slice(1).toLowerCase() : null);
-  const assignedFolders = $derived(store.activeManga ? getMangaFolders(store.activeManga.id) : []);
+  const assignedFolders = $derived(mangaCategories.filter(c => c.id !== 0));
   const hasFolders      = $derived(assignedFolders.length > 0);
 
+  function loadCategories(mangaId: number) {
+    catsLoading = true;
+    gql<{ categories: { nodes: Category[] } }>(GET_CATEGORIES)
+      .then(d => {
+        allCategories   = d.categories.nodes.filter(c => c.id !== 0);
+        mangaCategories = allCategories.filter(c => c.mangas?.nodes.some(m => m.id === mangaId));
+      })
+      .catch(console.error)
+      .finally(() => { catsLoading = false; });
+  }
+
+  async function checkAndMarkCompleted(mangaId: number, chaps: Chapter[]) {
+    await storeCheckAndMarkCompleted(mangaId, chaps, allCategories, gql, UPDATE_MANGA_CATEGORIES, UPDATE_MANGA);
+    // Sync local mangaCategories state after the mutation
+    if (chaps.length) {
+      const allRead   = chaps.every(c => c.isRead);
+      const completed = allCategories.find(c => c.name === "Completed");
+      if (completed) {
+        const inCompleted = mangaCategories.some(c => c.id === completed.id);
+        if (allRead && !inCompleted)  mangaCategories = [...mangaCategories, completed];
+        else if (!allRead && inCompleted) mangaCategories = mangaCategories.filter(c => c.id !== completed.id);
+      }
+    }
+  }
+
   function loadManga(id: number) {
     mangaAbort?.abort();
     const ctrl = new AbortController();
@@ -164,7 +202,7 @@
 
   $effect(() => {
     const m = store.activeManga;
-    if (m) untrack(() => { loadManga(m.id); loadChapters(m.id); });
+    if (m) untrack(() => { loadManga(m.id); loadChapters(m.id); loadCategories(m.id); });
   });
 
   let prevChapterId: number | null = null;
@@ -300,14 +338,34 @@
     enqueueMultiple(sortedChapters.filter(c => c.chapterNumber >= lo && c.chapterNumber <= hi && !c.isDownloaded).map(c => c.id));
   }
 
-  function createFolder() {
+  async function createCategory() {
     const name = folderNewName.trim();
     if (!name || !store.activeManga) return;
-    const id = addFolder(name);
+    try {
-    assignMangaToFolder(id, store.activeManga.id);
+      const res = await gql<{ createCategory: { category: Category } }>(CREATE_CATEGORY, { name });
+      const cat = res.createCategory.category;
+      await gql(UPDATE_MANGA_CATEGORIES, { mangaId: store.activeManga.id, addTo: [cat.id], removeFrom: [] });
+      allCategories   = [...allCategories, cat];
+      mangaCategories = [...mangaCategories, cat];
+    } catch (e) { console.error(e); }
     folderNewName = ""; folderCreating = false;
   }
 
+  async function toggleCategory(cat: Category) {
+    if (!store.activeManga) return;
+    const inCat = mangaCategories.some(c => c.id === cat.id);
+    try {
+      await gql(UPDATE_MANGA_CATEGORIES, {
+        mangaId:    store.activeManga.id,
+        addTo:      inCat ? [] : [cat.id],
+        removeFrom: inCat ? [cat.id] : [],
+      });
+      mangaCategories = inCat
+        ? mangaCategories.filter(c => c.id !== cat.id)
+        : [...mangaCategories, cat];
+    } catch (e) { console.error(e); }
+  }
+
   onMount(() => () => { mangaAbort?.abort(); chapterAbort?.abort(); });
 
   // ── Series link ────────────────────────────────────────────────────────────
@@ -395,7 +453,7 @@
     <!-- Zone 3: Primary CTA + library action -->
     <div class="cta-section">
       {#if continueChapter}
-        <button class="read-btn" onclick={() => openReader(continueChapter!.chapter, sortedChapters)}>
+        <button class="read-btn" onclick={() => openReader(continueChapter!.chapter, chaptersAsc)}>
           <Play size={12} weight="fill" />
           {continueChapter.type === "continue"
             ? `Continue · Ch.${continueChapter.chapter.chapterNumber}${(continueChapter.chapter.lastPageRead ?? 0) > 0 ? ` p.${continueChapter.chapter.lastPageRead}` : ""}`
@@ -505,29 +563,30 @@
           <ArrowsClockwise size={14} weight="light" class={refreshing ? "anim-spin" : ""} />
         </button>
 
-        <!-- Folder picker -->
+        <!-- Category picker -->
         <div class="fp-wrap" bind:this={folderPickerRef}>
           <button class="icon-btn" class:active={hasFolders} onclick={() => folderPickerOpen = !folderPickerOpen}>
             <FolderSimplePlus size={14} weight={hasFolders ? "fill" : "light"} />
           </button>
           {#if folderPickerOpen}
             <div class="fp-menu">
-              {#if store.settings.folders.length === 0 && !folderCreating}
+              {#if catsLoading}
+                <p class="fp-empty">Loading…</p>
+              {:else if allCategories.length === 0 && !folderCreating}
                 <p class="fp-empty">No folders yet</p>
               {/if}
-              {#each store.settings.folders as folder}
+              {#each allCategories as cat}
-                {@const isIn = store.activeManga ? folder.mangaIds.includes(store.activeManga.id) : false}
+                {@const isIn = mangaCategories.some(c => c.id === cat.id)}
-                <button class="fp-item" class:fp-item-active={isIn}
+                <button class="fp-item" class:fp-item-active={isIn} onclick={() => toggleCategory(cat)}>
-                  onclick={() => store.activeManga && (isIn ? removeMangaFromFolder(folder.id, store.activeManga.id) : assignMangaToFolder(folder.id, store.activeManga.id))}>
+                  <span class="fp-check">{isIn ? "✓" : ""}</span>{cat.name}
-                  <span class="fp-check">{isIn ? "✓" : ""}</span>{folder.name}
                 </button>
               {/each}
               <div class="fp-div"></div>
               {#if folderCreating}
                 <div class="fp-create">
                   <input class="fp-input" placeholder="Folder name…" bind:value={folderNewName}
-                    onkeydown={(e) => { if (e.key === "Enter") createFolder(); if (e.key === "Escape") { folderCreating = false; folderNewName = ""; } }} use:focusOnMount />
+                    onkeydown={(e) => { if (e.key === "Enter") createCategory(); if (e.key === "Escape") { folderCreating = false; folderNewName = ""; } }} use:focusOnMount />
-                  <button class="fp-confirm" onclick={createFolder} disabled={!folderNewName.trim()}>Add</button>
+                  <button class="fp-confirm" onclick={createCategory} disabled={!folderNewName.trim()}>Add</button>
                   <button class="fp-cancel" onclick={() => { folderCreating = false; folderNewName = ""; }}>
                     <X size={12} weight="light" />
                   </button>
@@ -615,7 +674,7 @@
         {#each sortedChapters as ch, i}
           {@const inProgress = !ch.isRead && (ch.lastPageRead ?? 0) > 0}
           <button class="grid-cell" class:read={ch.isRead} class:in-progress={inProgress}
-            onclick={() => openReader(ch, sortedChapters)}
+            onclick={() => openReader(ch, chaptersAsc)}
             oncontextmenu={(e) => { e.preventDefault(); ctx = { x: e.clientX, y: e.clientY, chapter: ch, idx: i }; }}
             title={ch.name}>
             <span class="grid-cell-num">{ch.chapterNumber % 1 === 0 ? ch.chapterNumber.toFixed(0) : ch.chapterNumber}</span>
@@ -627,8 +686,8 @@
         {#each pageChapters as ch}
           {@const idxInSorted = sortedChapters.indexOf(ch)}
           <div role="button" tabindex="0" class="ch-row" class:read={ch.isRead}
-            onclick={() => openReader(ch, sortedChapters)}
+            onclick={() => openReader(ch, chaptersAsc)}
-            onkeydown={(e) => e.key === "Enter" && openReader(ch, sortedChapters)}
+            onkeydown={(e) => e.key === "Enter" && openReader(ch, chaptersAsc)}
             oncontextmenu={(e) => { e.preventDefault(); ctx = { x: e.clientX, y: e.clientY, chapter: ch, idx: idxInSorted }; }}>
             <div class="ch-left">
               <span class="ch-name">{ch.name}</span>

src/components/reader/Reader.svelte

@@ -1,10 +1,11 @@
 <script lang="ts">
   import { onMount, untrack } from "svelte";
-  import { X, CaretLeft, CaretRight, ArrowLeft, ArrowRight, Square, Rows, Download, ArrowsLeftRight, ArrowsIn, ArrowsOut, ArrowsVertical, CircleNotch } from "phosphor-svelte";
+  import { X, CaretLeft, CaretRight, ArrowLeft, ArrowRight, Square, Rows, Download, ArrowsLeftRight, ArrowsIn, ArrowsOut, ArrowsVertical, CircleNotch, MagnifyingGlassMinus, MagnifyingGlassPlus } from "phosphor-svelte";
   import { gql, thumbUrl } from "../../lib/client";
   import { FETCH_CHAPTER_PAGES, MARK_CHAPTER_READ, ENQUEUE_DOWNLOAD, ENQUEUE_CHAPTERS_DOWNLOAD } from "../../lib/queries";
   import { store, closeReader, openReader, addHistory, updateSettings, checkAndMarkCompleted, setSettingsOpen } from "../../store/state.svelte";
   import { matchesKeybind, toggleFullscreen, DEFAULT_KEYBINDS } from "../../lib/keybinds";
+  import { setReading } from "../../lib/discord";
   import type { FitMode } from "../../store/state.svelte";
 
   // ─── Constants ────────────────────────────────────────────────────────────────
@@ -12,6 +13,10 @@
   const AVG_MIN_PER_PAGE = 0.33;
   const MAX_CACHED       = 10;
   const READ_LINE_PCT    = 0.20;
+  // Zoom step per Ctrl+Wheel tick or keyboard shortcut (5% of viewer width)
+  const ZOOM_STEP        = 0.05;
+  const ZOOM_MIN         = 0.1;
+  const ZOOM_MAX         = 4.0;
 
   // ─── Page cache ───────────────────────────────────────────────────────────────
 
@@ -93,6 +98,47 @@
 
   let containerEl: HTMLDivElement;
 
+  // ─── Container width (for resolution-based zoom) ──────────────────────────────
+  // Tracked via ResizeObserver so 100% zoom always means "fills the viewer",
+  // regardless of screen resolution or window size.
+
+  let containerWidth = $state(0);
+
+  // ─── Zoom anchor (longstrip) ──────────────────────────────────────────────────
+  // Before zoom changes the layout we snapshot which image is at the top of the
+  // viewport and how far it is from the top edge.  After the DOM re-renders at
+  // the new zoom we scroll back so that same image is at the same visual offset,
+  // preventing the "random page teleport" that occurs when scrollHeight changes.
+
+  let zoomAnchorEl:     HTMLElement | null = null;
+  let zoomAnchorOffset: number             = 0;
+
+  function captureZoomAnchor() {
+    if (!containerEl || style !== "longstrip") return;
+    const imgs = containerEl.querySelectorAll<HTMLElement>("img[data-local-page]");
+    const containerTop = containerEl.getBoundingClientRect().top;
+    for (const img of imgs) {
+      const rect = img.getBoundingClientRect();
+      if (rect.bottom > containerTop) {
+        zoomAnchorEl     = img;
+        zoomAnchorOffset = rect.top - containerTop;
+        return;
+      }
+    }
+  }
+
+  function restoreZoomAnchor() {
+    if (!zoomAnchorEl || !containerEl) return;
+    const el = zoomAnchorEl;
+    zoomAnchorEl = null;
+    // Use rAF to wait for the DOM to finish re-laying out after the zoom change.
+    requestAnimationFrame(() => {
+      const containerTop = containerEl.getBoundingClientRect().top;
+      const newRect      = el.getBoundingClientRect();
+      containerEl.scrollTop += (newRect.top - containerTop) - zoomAnchorOffset;
+    });
+  }
+
   // ─── UI state ─────────────────────────────────────────────────────────────────
 
   let loading          = $state(true);
@@ -124,18 +170,40 @@
   const rtl         = $derived(store.settings.readingDirection === "rtl");
   const fit         = $derived((store.settings.fitMode ?? "width") as FitMode);
   const style       = $derived(store.settings.pageStyle ?? "single");
-  const maxW       = $derived(store.settings.maxPageWidth ?? 900);
+  const zoom        = $derived(store.settings.readerZoom ?? 1.0);
   const autoNext    = $derived(store.settings.autoNextChapter ?? false);
   const markOnNext  = $derived(store.settings.markReadOnNext ?? true);
   const overlayBars = $derived(store.settings.overlayBars ?? false);
   const lastPage    = $derived(store.pageUrls.length);
 
+  // effectiveWidth: how wide the image should be, in pixels.
+  // = container width × zoom multiplier. Applied as max-width on the viewer
+  // so fit modes (height, screen) can still further constrain the image.
+  const effectiveWidth = $derived(
+    containerWidth > 0 ? Math.round(containerWidth * zoom) : undefined
+  );
+
+  const zoomPct = $derived(Math.round(zoom * 100));
+
   const displayChapter = $derived(
     style === "longstrip" && autoNext && visibleChapterId
       ? (store.activeChapterList.find(c => c.id === visibleChapterId) ?? store.activeChapter)
       : store.activeChapter
   );
 
+  // ─── Discord RPC ──────────────────────────────────────────────────────────────
+  // displayChapter already handles both single/double (store.activeChapter) and
+  // longstrip auto-next (visibleChapterId) — so reacting to it here means RPC
+  // updates on every chapter transition regardless of reading mode.
+
+  $effect(() => {
+    const chapter = displayChapter;
+    const manga   = store.activeManga;
+    if (store.settings.discordRpc && chapter && manga) {
+      setReading(manga, chapter);
+    }
+  });
+
   const adjacent = $derived.by(() => {
     const ref = displayChapter ?? store.activeChapter;
     if (!ref || !store.activeChapterList.length) return { prev: null, next: null, remaining: [] };
@@ -200,7 +268,6 @@
     pageGroups = [];
     pageReady  = false;
     stripChapters = [];
-    visibleChapterId = null;
     store.pageUrls   = [];
     store.pageNumber = 1;
     try {
@@ -217,9 +284,6 @@
   }
 
   // ─── Strip initialisation ─────────────────────────────────────────────────────
-  // Runs when a chapter finishes loading in longstrip mode.
-  // Starts the strip with just the current chapter; appendNextChapter adds more
-  // as the user scrolls. Nothing is ever removed from the DOM mid-read.
 
   $effect(() => {
     if (style === "longstrip" && store.pageUrls.length && store.activeChapter) {
@@ -240,8 +304,6 @@
   $effect(() => { if (style !== "longstrip" && containerEl) containerEl.scrollTop = 0; });
 
   // ─── Forward append only ──────────────────────────────────────────────────────
-  // Appends the next chapter to the bottom when the user scrolls past 80%.
-  // No eviction, no prepend, no sliding window — chapters accumulate forward.
 
   function appendNextChapter() {
     if (appending || !stripChapters.length) return;
@@ -399,17 +461,8 @@
   });
 
   // ─── Progress / history tracking ─────────────────────────────────────────────
-  // Only records history after the user has genuinely navigated (pageNumber > 1,
-  // or scrolled past page 1 in longstrip). This prevents the chapter-open event
-  // from writing "page 1" as the last-read position, which caused the history to
-  // always show the chapter you started on rather than where you left off.
 
   $effect(() => {
-    // Use displayChapter, not store.activeChapter — in longstrip with autoNext,
-    // store.activeChapter stays as the chapter you *opened* (e.g. ch61) while
-    // displayChapter tracks visibleChapterId (the chapter actually on screen).
-    // Using store.activeChapter here caused every history write to stamp ch61
-    // even when the user had scrolled all the way to ch72.
     const ch = displayChapter ?? store.activeChapter;
     if (ch && lastPage && store.activeManga) {
       const chapterId   = ch.id;
@@ -420,11 +473,9 @@
       const pageNum     = store.pageNumber;
       const atLast      = store.pageNumber === lastPage;
 
-      // Mark that the user has moved past the initial load.
       if (pageNum > 1) hasNavigated = true;
 
       untrack(() => {
-        // Skip the very first page-1 write that fires on chapter load.
         if (!hasNavigated) return;
         addHistory({ mangaId, mangaTitle, thumbnailUrl: thumb, chapterId, chapterName, pageNumber: pageNum, readAt: Date.now() });
         if (style !== "longstrip" && store.settings.autoMarkRead && atLast) markChapterRead(chapterId);
@@ -457,7 +508,7 @@
   }
 
   function maybeMarkCurrentRead() {
-    const ch = store.activeChapter;
+    const ch = displayChapter ?? store.activeChapter;
     if (ch && markOnNext) markChapterRead(ch.id);
   }
 
@@ -508,6 +559,24 @@
   const goNext = $derived(rtl ? goBack    : goForward);
   const goPrev = $derived(rtl ? goForward : goBack);
 
+  // ─── Zoom helpers ─────────────────────────────────────────────────────────────
+
+  function clampZoom(z: number): number {
+    return Math.round(Math.min(ZOOM_MAX, Math.max(ZOOM_MIN, z)) * 1000) / 1000;
+  }
+
+  function adjustZoom(delta: number) {
+    captureZoomAnchor();
+    updateSettings({ readerZoom: clampZoom(zoom + delta) });
+    restoreZoomAnchor();
+  }
+
+  function resetZoom() {
+    captureZoomAnchor();
+    updateSettings({ readerZoom: 1.0 });
+    restoreZoomAnchor();
+  }
+
   // ─── Settings toggles ─────────────────────────────────────────────────────────
 
   function cycleStyle() {
@@ -532,13 +601,13 @@
   function onWheel(e: WheelEvent) {
     if (!e.ctrlKey) return;
     e.preventDefault();
-    updateSettings({ maxPageWidth: Math.min(2400, Math.max(200, maxW + (e.deltaY < 0 ? 50 : -50))) });
+    // Each wheel tick adjusts by ZOOM_STEP (5%). Larger deltaY = bigger scroll = same step.
+    adjustZoom(e.deltaY < 0 ? ZOOM_STEP : -ZOOM_STEP);
   }
 
   function onKey(e: KeyboardEvent) {
     if ((e.target as HTMLElement).tagName === "INPUT") return;
     const kb = store.settings.keybinds ?? DEFAULT_KEYBINDS;
-    const mW = store.settings.maxPageWidth ?? 900;
     const r  = store.settings.readingDirection === "rtl";
     if (e.key === "Escape") {
       e.preventDefault();
@@ -546,9 +615,9 @@
       if (dlOpen)   { dlOpen   = false; return; }
       closeReader(); return;
     }
-    if (e.ctrlKey && (e.key === "=" || e.key === "+")) { e.preventDefault(); updateSettings({ maxPageWidth: Math.min(2400, mW + 100) }); return; }
+    if (e.ctrlKey && (e.key === "=" || e.key === "+")) { e.preventDefault(); adjustZoom(ZOOM_STEP * 2); return; }
-    if (e.ctrlKey && e.key === "-")                    { e.preventDefault(); updateSettings({ maxPageWidth: Math.max(200,  mW - 100) }); return; }
+    if (e.ctrlKey && e.key === "-")                    { e.preventDefault(); adjustZoom(-ZOOM_STEP * 2); return; }
-    if (e.ctrlKey && e.key === "0")                    { e.preventDefault(); updateSettings({ maxPageWidth: 900 }); return; }
+    if (e.ctrlKey && e.key === "0")                    { e.preventDefault(); resetZoom(); return; }
     if      (matchesKeybind(e, kb.exitReader))             { e.preventDefault(); closeReader(); }
     else if (matchesKeybind(e, kb.pageRight))              { e.preventDefault(); goForward(); }
     else if (matchesKeybind(e, kb.pageLeft))               { e.preventDefault(); goBack(); }
@@ -592,12 +661,20 @@
     window.addEventListener("keydown", onKey);
     window.addEventListener("wheel", onWheel, { passive: false });
     containerEl?.focus({ preventScroll: true });
+
+    // Track the viewer's actual paint width so zoom is always relative to it.
+    const ro = new ResizeObserver(entries => {
+      containerWidth = entries[0].contentRect.width;
+    });
+    ro.observe(containerEl);
+
     return () => {
       abortCtrl?.abort();
       if (hideTimer) clearTimeout(hideTimer);
       window.removeEventListener("keydown", onKey);
       window.removeEventListener("wheel", onWheel);
       cleanupScroll();
+      ro.disconnect();
     };
   });
 </script>
@@ -626,16 +703,37 @@
       {:else}<ArrowsOut size={14} weight="light" />{/if}
       <span class="mode-label">{fitLabel}</span>
     </button>
+
+    <!-- ── Zoom controls ────────────────────────────────────────────────────── -->
     <div class="zoom-wrap">
-      <button class="zoom-btn" onclick={() => zoomOpen = !zoomOpen}>{Math.round((maxW / 900) * 100)}%</button>
+      <div class="zoom-inline">
+        <button class="zoom-step-btn" onclick={() => adjustZoom(-ZOOM_STEP)} title="Zoom out" disabled={zoom <= ZOOM_MIN}>
+          <MagnifyingGlassMinus size={13} weight="light" />
+        </button>
+        <button class="zoom-pct-btn" onclick={() => zoomOpen = !zoomOpen} title="Click to adjust zoom">
+          {zoomPct}%
+        </button>
+        <button class="zoom-step-btn" onclick={() => adjustZoom(ZOOM_STEP)} title="Zoom in" disabled={zoom >= ZOOM_MAX}>
+          <MagnifyingGlassPlus size={13} weight="light" />
+        </button>
+      </div>
       {#if zoomOpen}
         <div class="zoom-popover">
-          <input type="range" class="zoom-slider" min={200} max={2400} step={50} value={maxW}
+          <div class="zoom-slider-row">
-            oninput={(e) => updateSettings({ maxPageWidth: Number(e.currentTarget.value) })} />
+            <input type="range" class="zoom-slider" min={10} max={400} step={5} value={zoomPct}
-          <button class="zoom-reset" onclick={() => updateSettings({ maxPageWidth: 900 })}>{Math.round((maxW / 900) * 100)}%</button>
+              oninput={(e) => { captureZoomAnchor(); updateSettings({ readerZoom: clampZoom(Number(e.currentTarget.value) / 100) }); restoreZoomAnchor(); }} />
+          </div>
+          <div class="zoom-presets">
+            {#each [50, 75, 100, 125, 150, 200] as pct}
+              <button class="zoom-preset" class:active={zoomPct === pct}
+                onclick={() => { captureZoomAnchor(); updateSettings({ readerZoom: pct / 100 }); restoreZoomAnchor(); }}>{pct}%</button>
+            {/each}
+          </div>
+          <button class="zoom-reset" onclick={resetZoom} disabled={zoom === 1.0}>Reset</button>
         </div>
       {/if}
     </div>
+
     <button class="mode-btn" class:active={rtl} onclick={() => updateSettings({ readingDirection: rtl ? "ltr" : "rtl" })}>
       <ArrowsLeftRight size={14} weight="light" /><span class="mode-label">{rtl ? "RTL" : "LTR"}</span>
     </button>
@@ -667,7 +765,7 @@
     bind:this={containerEl}
     class="viewer"
     class:strip={style === "longstrip"}
-    style="--max-page-width:{maxW}px"
+    style={effectiveWidth != null ? `--effective-width:${effectiveWidth}px` : ""}
     role="presentation"
     tabindex="-1"
     onclick={handleTap}
@@ -711,11 +809,11 @@
   </div>
 
   <div class="bottombar" class:hidden={!uiVisible}>
-    <button class="nav-btn" onclick={goPrev} disabled={loading || (style === "longstrip" ? !adjacent.prev : (store.pageNumber === 1 && !adjacent.prev))}>
+    <button class="nav-btn" onclick={goBack} disabled={loading || (style === "longstrip" ? !adjacent.prev : (store.pageNumber === 1 && !adjacent.prev))}>
-      <ArrowLeft size={13} weight="light" />
+      {#if rtl}<ArrowRight size={13} weight="light" />{:else}<ArrowLeft size={13} weight="light" />{/if}
     </button>
-    <button class="nav-btn" onclick={goNext} disabled={loading || (style === "longstrip" ? !adjacent.next : (store.pageNumber === lastPage && !adjacent.next))}>
+    <button class="nav-btn" onclick={goForward} disabled={loading || (style === "longstrip" ? !adjacent.next : (store.pageNumber === lastPage && !adjacent.next))}>
-      <ArrowRight size={13} weight="light" />
+      {#if rtl}<ArrowLeft size={13} weight="light" />{:else}<ArrowRight size={13} weight="light" />{/if}
     </button>
   </div>
 
@@ -771,25 +869,51 @@
   .mode-btn:hover { color: var(--text-primary); background: var(--bg-raised); }
   .mode-btn.active { color: var(--accent-fg); background: var(--accent-muted); }
   .mode-label { text-transform: capitalize; }
+
+  /* ── Zoom controls ───────────────────────────────────────────────────────── */
   .zoom-wrap { position: relative; flex-shrink: 0; }
-  .zoom-btn { font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); color: var(--text-faint); padding: 4px var(--sp-2); border-radius: var(--radius-sm); min-width: 36px; text-align: center; transition: color var(--t-base), background var(--t-base); }
+  .zoom-inline { display: flex; align-items: center; gap: 1px; background: var(--bg-overlay); border: 1px solid var(--border-base); border-radius: var(--radius-sm); overflow: hidden; }
-  .zoom-btn:hover { color: var(--text-secondary); background: var(--bg-raised); }
+  .zoom-step-btn { display: flex; align-items: center; justify-content: center; width: 22px; height: 24px; color: var(--text-muted); transition: color var(--t-base), background var(--t-base); }
-  .zoom-popover { position: absolute; top: calc(100% + 6px); left: 50%; translate: -50% 0; background: var(--bg-raised); border: 1px solid var(--border-base); border-radius: var(--radius-lg); padding: var(--sp-3) var(--sp-3) var(--sp-2); display: flex; flex-direction: column; align-items: center; gap: var(--sp-2); box-shadow: 0 8px 24px rgba(0,0,0,0.5); z-index: 100; min-width: 160px; animation: scaleIn 0.1s ease both; transform-origin: top center; }
+  .zoom-step-btn:hover:not(:disabled) { color: var(--text-primary); background: var(--bg-raised); }
-  .zoom-slider { width: 140px; height: 3px; appearance: none; -webkit-appearance: none; background: var(--border-strong); border-radius: 2px; outline: none; cursor: pointer; }
+  .zoom-step-btn:disabled { opacity: 0.25; cursor: default; }
+  .zoom-pct-btn { font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); color: var(--text-secondary); padding: 0 var(--sp-2); height: 24px; min-width: 38px; text-align: center; transition: color var(--t-base), background var(--t-base); border-left: 1px solid var(--border-dim); border-right: 1px solid var(--border-dim); }
+  .zoom-pct-btn:hover { color: var(--text-primary); background: var(--bg-raised); }
+  .zoom-popover { position: absolute; top: calc(100% + 6px); left: 50%; translate: -50% 0; background: var(--bg-raised); border: 1px solid var(--border-base); border-radius: var(--radius-lg); padding: var(--sp-3); display: flex; flex-direction: column; gap: var(--sp-2); box-shadow: 0 8px 24px rgba(0,0,0,0.5); z-index: 100; min-width: 180px; animation: scaleIn 0.1s ease both; transform-origin: top center; }
+  .zoom-slider-row { display: flex; align-items: center; gap: var(--sp-2); }
+  .zoom-slider { flex: 1; height: 3px; appearance: none; -webkit-appearance: none; background: var(--border-strong); border-radius: 2px; outline: none; cursor: pointer; }
   .zoom-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%; background: var(--accent-fg); cursor: pointer; }
-  .zoom-reset { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--text-muted); letter-spacing: var(--tracking-wide); padding: 2px var(--sp-2); border-radius: var(--radius-sm); transition: color var(--t-base), background var(--t-base); }
+  .zoom-presets { display: flex; align-items: center; gap: 3px; flex-wrap: wrap; }
-  .zoom-reset:hover { color: var(--text-primary); background: var(--bg-overlay); }
+  .zoom-preset { font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); color: var(--text-muted); padding: 3px 6px; border-radius: var(--radius-sm); transition: color var(--t-base), background var(--t-base); }
+  .zoom-preset:hover { color: var(--text-primary); background: var(--bg-overlay); }
+  .zoom-preset.active { color: var(--accent-fg); background: var(--accent-muted); }
+  .zoom-reset { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--text-muted); letter-spacing: var(--tracking-wide); padding: 3px var(--sp-2); border-radius: var(--radius-sm); border: 1px solid var(--border-dim); transition: color var(--t-base), background var(--t-base), border-color var(--t-base); }
+  .zoom-reset:hover:not(:disabled) { color: var(--text-primary); background: var(--bg-overlay); border-color: var(--border-strong); }
+  .zoom-reset:disabled { opacity: 0.3; cursor: default; }
+
+  /* ── Viewer ──────────────────────────────────────────────────────────────── */
   .viewer { flex: 1; overflow-y: auto; overflow-x: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; -webkit-overflow-scrolling: touch; position: relative; }
   .viewer.strip { justify-content: flex-start; padding: var(--sp-4) 0; }
   .viewer:focus { outline: none; }
   .img { display: block; user-select: none; image-rendering: auto; }
   .img.optimize-contrast { image-rendering: -webkit-optimize-contrast; }
-  .fit-width    { max-width: var(--max-page-width); width: 100%; height: auto; }
+
-  .fit-height   { max-height: calc(100vh - 80px); width: auto; max-width: 100%; height: auto; }
+  /*
-  .fit-screen   { max-width: 100%; max-height: calc(100vh - 80px); object-fit: contain; height: auto; }
+   * Fit modes — all constrain within --effective-width (the zoom-adjusted
+   * container width). effectiveWidth is set as a CSS variable on .viewer
+   * so every fit class automatically respects the current zoom level.
+   *
+   * fit-width  : fills up to effectiveWidth, never wider
+   * fit-height : constrained to viewport height; never taller, never wider than effectiveWidth
+   * fit-screen : fits within both axes (contain); never wider than effectiveWidth
+   * fit-original : natural image size, no constraint
+   */
+  .fit-width    { max-width: var(--effective-width, 100%); width: 100%; height: auto; }
+  .fit-height   { max-height: calc(100vh - 80px); width: auto; max-width: var(--effective-width, 100%); height: auto; }
+  .fit-screen   { max-width: var(--effective-width, 100%); max-height: calc(100vh - 80px); object-fit: contain; height: auto; }
   .fit-original { max-width: none; width: auto; height: auto; }
+
   .strip-gap { margin-bottom: 8px; }
-  .double-wrap { display: flex; align-items: flex-start; justify-content: center; max-width: calc(var(--max-page-width) * 2); width: 100%; }
+  .double-wrap { display: flex; align-items: flex-start; justify-content: center; max-width: calc(var(--effective-width, 100%) * 2); width: 100%; }
   .page-half { flex: 1; min-width: 0; object-fit: contain; }
   .gap-left  { margin-right: 2px; }
   .gap-right { margin-left: 2px; }

src/components/settings/Settings.svelte

@@ -1,13 +1,15 @@
 <script lang="ts">
   import { tick } from "svelte";
-  import { X, Book, Image, Sliders, Info, Keyboard, Gear, HardDrives, FolderSimple, Plus, Pencil, Trash, Wrench, PaintBrush, ListChecks, Lock } from "phosphor-svelte";
+  import { X, Book, Image, Sliders, Info, Keyboard, Gear, HardDrives, FolderSimple, Plus, Pencil, Trash, Wrench, PaintBrush, ListChecks, Lock, Eye, EyeSlash, Star } from "phosphor-svelte";
   import { invoke } from "@tauri-apps/api/core";
   import { listen } from "@tauri-apps/api/event";
   import { getVersion } from "@tauri-apps/api/app";
   import { open as openUrl } from "@tauri-apps/plugin-shell";
   import { gql, thumbUrl } from "../../lib/client";
+  import { GET_CATEGORIES, CREATE_CATEGORY, UPDATE_CATEGORY, DELETE_CATEGORY, UPDATE_CATEGORY_ORDER } from "../../lib/queries";
   import { GET_DOWNLOADS_PATH, GET_TRACKERS, LOGIN_TRACKER_OAUTH, LOGIN_TRACKER_CREDENTIALS, LOGOUT_TRACKER, GET_TRACKER_RECORDS, GET_SERVER_SECURITY, SET_SERVER_AUTH, SET_SOCKS_PROXY, SET_FLARESOLVERR } from "../../lib/queries";
-  import { store, updateSettings, resetKeybinds, addFolder, removeFolder, renameFolder, toggleFolderTab, clearHistory, wipeAllData, setSettingsOpen, deleteCustomTheme } from "../../store/state.svelte";
+  import type { Category } from "../../lib/types";
+  import { store, updateSettings, resetKeybinds, clearHistory, wipeAllData, setSettingsOpen, deleteCustomTheme, toggleHiddenCategory, setCategories } from "../../store/state.svelte";
   import { cache } from "../../lib/cache";
   import { KEYBIND_LABELS, DEFAULT_KEYBINDS, eventToKeybind } from "../../lib/keybinds";
   import type { Settings, FitMode, Theme } from "../../store/state.svelte";
@@ -168,23 +170,104 @@
   }
 
   
+  // catsLoading / catsError are local UI state only.
+  // The category list itself lives in store.categories (shared with Library).
+  let catsLoading:    boolean      = $state(false);
+  let catsError:      string|null  = $state(null);
   let newFolderName   = $state("");
-  let editingId: string | null = $state(null);
+  let editingId: number | null     = $state(null);
   let editingName     = $state("");
 
-  function createFolder() {
+  async function loadCategories() {
+    catsLoading = true; catsError = null;
+    try {
+      const res = await gql<{ categories: { nodes: Category[] } }>(GET_CATEGORIES);
+      // Merge server data onto existing store.categories to preserve mangas.nodes
+      // that Library loaded — Settings' GET_CATEGORIES query may not include them.
+      // Also preserve any id=0 (Default) entry that Library manages.
+      const zeroCat = store.categories.filter(c => c.id === 0);
+      const fresh = res.categories.nodes.filter(c => c.id !== 0);
+      const merged = fresh.map(f => {
+        const existing = store.categories.find(c => c.id === f.id);
+        return existing ? { ...existing, ...f } : f;
+      });
+      setCategories([...zeroCat, ...merged]);
+    } catch (e: any) {
+      catsError = e?.message ?? "Failed to load folders";
+    } finally { catsLoading = false; }
+  }
+
+  async function createFolder() {
     const name = newFolderName.trim();
     if (!name) return;
-    addFolder(name); newFolderName = "";
+    try {
+      const res = await gql<{ createCategory: { category: Category } }>(CREATE_CATEGORY, { name });
+      setCategories([...store.categories, res.createCategory.category]);
+      newFolderName = "";
+    } catch (e: any) { catsError = e?.message ?? "Failed to create folder"; }
   }
 
-  function startEdit(id: string, name: string) { editingId = id; editingName = name; }
+  function startEdit(id: number, name: string) { editingId = id; editingName = name; }
 
-  function commitEdit() {
+  async function commitEdit() {
-    if (editingId && editingName.trim()) renameFolder(editingId, editingName.trim());
+    if (editingId !== null && editingName.trim()) {
+      try {
+        await gql(UPDATE_CATEGORY, { id: editingId, name: editingName.trim() });
+        setCategories(store.categories.map(c => c.id === editingId ? { ...c, name: editingName.trim() } : c));
+      } catch (e: any) { catsError = e?.message ?? "Failed to rename"; }
+    }
     editingId = null; editingName = "";
   }
 
+  async function deleteFolder(id: number) {
+    try {
+      await gql(DELETE_CATEGORY, { id });
+      setCategories(store.categories.filter(c => c.id !== id));
+    } catch (e: any) { catsError = e?.message ?? "Failed to delete folder"; }
+  }
+
+  async function moveCategory(id: number, direction: -1 | 1) {
+    // Work only on the non-default (id !== 0) categories, sorted by order,
+    // which is what the Settings list renders and what the server expects.
+    const zeroCat  = store.categories.filter(c => c.id === 0);
+    const sortable = store.categories
+      .filter(c => c.id !== 0)
+      .sort((a, b) => a.order - b.order);
+
+    const idx = sortable.findIndex(c => c.id === id);
+    if (idx < 0) return;
+    const newPos = idx + 1 + direction; // 1-based server position
+    if (newPos < 1 || newPos > sortable.length) return;
+
+    // Optimistic reorder — splice within sortable slice, keep mangas.nodes intact
+    const reordered = [...sortable];
+    const [moved] = reordered.splice(idx, 1);
+    reordered.splice(idx + direction, 0, moved);
+    setCategories([...zeroCat, ...reordered.map((c, i) => ({ ...c, order: i + 1 }))]);
+
+    try {
+      const res = await gql<{ updateCategoryOrder: { categories: Category[] } }>(UPDATE_CATEGORY_ORDER, { id, position: newPos });
+      // Server returns bare order data — merge to preserve mangas.nodes, keep id=0 entry
+      const updated = res.updateCategoryOrder.categories.filter(c => c.id !== 0);
+      setCategories([
+        ...zeroCat,
+        ...updated
+          .sort((a, b) => a.order - b.order)
+          .map(fresh => {
+            const existing = store.categories.find(c => c.id === fresh.id);
+            return existing ? { ...existing, ...fresh } : fresh;
+          }),
+      ]);
+    } catch (e: any) {
+      catsError = e?.message ?? "Failed to reorder";
+      await loadCategories();
+    }
+  }
+
+  // Load categories when the folders tab is first opened and the shared store
+  // is empty (e.g. user opened Settings before Library was mounted).
+  $effect(() => { if (tab === "folders" && !store.categories.length && !catsLoading) loadCategories(); });
+
   
   let selectOpen: string | null = $state(null);
 
@@ -562,6 +645,9 @@
 
     try {
       if (IS_WINDOWS) {
+        // Kill Suwayomi before installing — its JRE DLLs will be locked otherwise.
+        // kill_server blocks on the Rust side until java.exe is fully gone.
+        try { await invoke("kill_server"); } catch {}
         // Windows: Tauri updater downloads + runs passive NSIS installer
         await invoke("download_and_install_update");
         updatePhase = "ready";
@@ -631,28 +717,30 @@
             <div class="section">
               <p class="section-title">Interface Scale</p>
               <div class="scale-row">
-                <input type="range" min={50} max={200} step={5} value={store.settings.uiScale}
+                <input type="range" min={50} max={200} step={5}
-                  oninput={(e) => updateSettings({ uiScale: Number(e.currentTarget.value) })} class="scale-slider" />
+                  value={Math.round((store.settings.uiZoom ?? 1.5) * 100)}
+                  oninput={(e) => updateSettings({ uiZoom: Number(e.currentTarget.value) / 100 })}
+                  class="scale-slider" />
                 <input
                   type="number" min={50} max={200} step={1}
                   class="scale-val-input"
-                  value={store.settings.uiScale}
+                  value={Math.round((store.settings.uiZoom ?? 1.5) * 100)}
                   oninput={(e) => {
                     const n = parseInt(e.currentTarget.value, 10);
-                    if (!isNaN(n) && n >= 50 && n <= 200) updateSettings({ uiScale: n });
+                    if (!isNaN(n) && n >= 50 && n <= 200) updateSettings({ uiZoom: n / 100 });
                   }}
                   onblur={(e) => {
                     const n = parseInt(e.currentTarget.value, 10);
-                    if (isNaN(n) || n < 50) { updateSettings({ uiScale: 50 }); e.currentTarget.value = "50"; }
+                    if (isNaN(n) || n < 50) { updateSettings({ uiZoom: 0.5 }); e.currentTarget.value = "50"; }
-                    else if (n > 200) { updateSettings({ uiScale: 200 }); e.currentTarget.value = "200"; }
+                    else if (n > 200) { updateSettings({ uiZoom: 2.0 }); e.currentTarget.value = "200"; }
                   }}
                 />
                 <span class="scale-pct">%</span>
-                <button class="step-btn" onclick={() => updateSettings({ uiScale: 100 })} disabled={store.settings.uiScale === 100} title="Reset">↺</button>
+                <button class="step-btn" onclick={() => updateSettings({ uiZoom: 1.5 })} disabled={(store.settings.uiZoom ?? 1.5) === 1.5} title="Reset">↺</button>
               </div>
               <p class="scale-hint">
                 {#each [50,60,70,80,90,100,110,125,150,175,200] as v}
-                  <button class="scale-preset" class:active={store.settings.uiScale === v} onclick={() => updateSettings({ uiScale: v })}>{v}%</button>
+                  <button class="scale-preset" class:active={Math.round((store.settings.uiZoom ?? 1.5) * 100) === v} onclick={() => updateSettings({ uiZoom: v / 100 })}>{v}%</button>
                 {/each}
               </p>
             </div>
@@ -687,6 +775,13 @@
                 </div>
               </div>
             </div>
+            <div class="section">
+              <p class="section-title">Integrations</p>
+              <label class="toggle-row">
+                <div class="toggle-info"><span class="toggle-label">Discord Rich Presence</span><span class="toggle-desc">Show what you're reading in your Discord status</span></div>
+                <button role="switch" aria-checked={store.settings.discordRpc} aria-label="Discord Rich Presence" class="toggle" class:on={store.settings.discordRpc} onclick={() => updateSettings({ discordRpc: !store.settings.discordRpc })}><span class="toggle-thumb"></span></button>
+              </label>
+            </div>
           </div>
 
         
@@ -845,13 +940,40 @@
                 </div>
               </div>
               <div class="step-row">
-                <div class="toggle-info"><span class="toggle-label">Max page width</span><span class="toggle-desc">Pixel cap for fit-width mode.</span></div>
+                <div class="toggle-info">
-                <div class="step-controls">
+                  <span class="toggle-label">Default zoom</span>
-                  <button class="step-btn" onclick={() => updateSettings({ maxPageWidth: Math.max(200, (store.settings.maxPageWidth ?? 900) - 100) })}>−</button>
+                  <span class="toggle-desc">Starting zoom when opening a chapter. 100% = fills the reader.</span>
-                  <span class="step-val">{store.settings.maxPageWidth ?? 900}px</span>
+                </div>
-                  <button class="step-btn" onclick={() => updateSettings({ maxPageWidth: Math.min(2400, (store.settings.maxPageWidth ?? 900) + 100) })}>+</button>
+                <div class="scale-row">
+                  <input type="range" min={10} max={400} step={5}
+                    value={Math.round((store.settings.readerZoom ?? 0.5) * 100)}
+                    oninput={(e) => updateSettings({ readerZoom: Number(e.currentTarget.value) / 100 })}
+                    class="scale-slider" />
+                  <input
+                    type="number" min={10} max={400} step={5}
+                    class="scale-val-input"
+                    value={Math.round((store.settings.readerZoom ?? 0.5) * 100)}
+                    oninput={(e) => {
+                      const n = parseInt(e.currentTarget.value, 10);
+                      if (!isNaN(n) && n >= 10 && n <= 400) updateSettings({ readerZoom: n / 100 });
+                    }}
+                    onblur={(e) => {
+                      const n = parseInt(e.currentTarget.value, 10);
+                      if (isNaN(n) || n < 10) { updateSettings({ readerZoom: 0.1 }); e.currentTarget.value = "10"; }
+                      else if (n > 400) { updateSettings({ readerZoom: 4.0 }); e.currentTarget.value = "400"; }
+                    }}
+                  />
+                  <span class="scale-pct">%</span>
+                  <button class="step-btn" onclick={() => updateSettings({ readerZoom: 0.5 })} disabled={(store.settings.readerZoom ?? 0.5) === 0.5} title="Reset to 100%">↺</button>
                 </div>
               </div>
+              <p class="scale-hint">
+                {#each [50, 75, 100, 125, 150, 200] as v}
+                  <button class="scale-preset"
+                    class:active={Math.round((store.settings.readerZoom ?? 0.5) * 100) === v}
+                    onclick={() => updateSettings({ readerZoom: v / 100 })}>{v}%</button>
+                {/each}
+              </p>
               <label class="toggle-row">
                 <div class="toggle-info"><span class="toggle-label">Optimize contrast</span><span class="toggle-desc">Use webkit-optimize-contrast rendering</span></div>
                 <button role="switch" aria-checked={store.settings.optimizeContrast} aria-label="Optimize contrast" class="toggle" class:on={store.settings.optimizeContrast} onclick={() => updateSettings({ optimizeContrast: !store.settings.optimizeContrast })}><span class="toggle-thumb"></span></button>
@@ -1129,7 +1251,10 @@
           <div class="panel">
             <div class="section">
               <p class="section-title">Manage Folders</p>
-              <p class="toggle-desc" style="padding:0 var(--sp-3) var(--sp-3);display:block">Assign manga to folders from the series detail page.</p>
+              <p class="toggle-desc" style="padding:0 var(--sp-3) var(--sp-3);display:block">Folders are stored as Suwayomi categories. Changes sync across all clients.</p>
+              {#if catsError}
+                <p class="toggle-desc" style="padding:0 var(--sp-3) var(--sp-2);color:var(--color-error);display:block">{catsError}</p>
+              {/if}
               <div class="folder-create-row">
                 <input class="text-input" placeholder="New folder name…" bind:value={newFolderName}
                   onkeydown={(e) => e.key === "Enter" && createFolder()} style="flex:1;width:auto" />
@@ -1137,26 +1262,47 @@
                   <Plus size={13} weight="bold" /> Create
                 </button>
               </div>
-              {#if store.settings.folders.length === 0}
+              {#if catsLoading}
+                <p class="storage-loading">Loading folders…</p>
+              {:else if store.categories.filter(c => c.id !== 0).length === 0}
                 <p class="storage-loading">No folders yet. Create one above.</p>
               {:else}
+                {@const displayCats = store.categories
+                    .filter(c => c.id !== 0)
+                    .sort((a, b) => {
+                      const defaultId = store.settings.defaultLibraryCategoryId ?? null;
+                      if (a.id === defaultId) return -1;
+                      if (b.id === defaultId) return  1;
+                      return a.order - b.order;
+                    })}
                 <div class="folder-list">
-                  {#each store.settings.folders as folder}
+                  {#each displayCats as cat, i}
                     <div class="folder-row">
-                      {#if editingId === folder.id}
+                      {#if editingId === cat.id}
                         <input class="text-input" bind:value={editingName}
                           onkeydown={(e) => { if (e.key === "Enter") commitEdit(); if (e.key === "Escape") editingId = null; }}
                           onblur={commitEdit} style="flex:1;width:auto" use:focusInput />
                         <button class="kb-reset" onclick={commitEdit} title="Save">✓</button>
                       {:else}
                         <FolderSimple size={14} weight="light" style="color:var(--text-faint);flex-shrink:0" />
-                        <span class="folder-row-name">{folder.name}</span>
+                        <span class="folder-row-name">{cat.name}</span>
-                        <span class="folder-row-count">{folder.mangaIds.length} manga</span>
+                        <span class="folder-row-count">{cat.mangas?.nodes.length ?? 0} manga</span>
-                        <button class="folder-tab-toggle" class:on={folder.showTab} onclick={() => toggleFolderTab(folder.id)}>
+                        <button
-                          {folder.showTab ? "Tab on" : "Tab off"}
+                          class="kb-reset"
-                        </button>
+                          class:folder-default-active={(store.settings.defaultLibraryCategoryId ?? null) === cat.id}
-                        <button class="kb-reset" onclick={() => startEdit(folder.id, folder.name)} title="Rename"><Pencil size={12} weight="light" /></button>
+                          onclick={() => updateSettings({ defaultLibraryCategoryId: (store.settings.defaultLibraryCategoryId ?? null) === cat.id ? null : cat.id })}
-                        <button class="kb-reset folder-delete" onclick={() => removeFolder(folder.id)} title="Delete"><Trash size={12} weight="light" /></button>
+                          title={(store.settings.defaultLibraryCategoryId ?? null) === cat.id ? "Remove as default folder" : "Set as default folder — opens first when you visit Library"}
+                        ><Star size={13} weight={(store.settings.defaultLibraryCategoryId ?? null) === cat.id ? "fill" : "light"} /></button>
+                        <button
+                          class="kb-reset"
+                          class:folder-hidden={(store.settings.hiddenCategoryIds ?? []).includes(cat.id)}
+                          onclick={() => toggleHiddenCategory(cat.id)}
+                          title={(store.settings.hiddenCategoryIds ?? []).includes(cat.id) ? "Show in Saved tab" : "Hide from Saved tab"}
+                        >{#if (store.settings.hiddenCategoryIds ?? []).includes(cat.id)}<EyeSlash size={13} weight="light" />{:else}<Eye size={13} weight="light" />{/if}</button>
+                        <button class="kb-reset" onclick={() => moveCategory(cat.id, -1)} disabled={i === 0} title="Move up">↑</button>
+                        <button class="kb-reset" onclick={() => moveCategory(cat.id, 1)} disabled={i === displayCats.length - 1} title="Move down">↓</button>
+                        <button class="kb-reset" onclick={() => startEdit(cat.id, cat.name)} title="Rename"><Pencil size={12} weight="light" /></button>
+                        <button class="kb-reset folder-delete" onclick={() => deleteFolder(cat.id)} title="Delete"><Trash size={12} weight="light" /></button>
                       {/if}
                     </div>
                   {/each}
@@ -1639,7 +1785,7 @@
               <p class="section-title">Links</p>
               <div class="about-block">
                 <a href="https://github.com/Youwes09/Moku" target="_blank" class="about-line" style="color:var(--accent-fg);text-decoration:none">GitHub →</a>
-                <a href="https://discord.gg/cfncTbJ2" target="_blank" class="about-line" style="color:var(--accent-fg);text-decoration:none;margin-top:var(--sp-1)">Discord →</a>
+                <a href="https://discord.gg/Jq3pwuNqPp" target="_blank" class="about-line" style="color:var(--accent-fg);text-decoration:none;margin-top:var(--sp-1)">Discord →</a>
               </div>
             </div>
 
@@ -1816,6 +1962,8 @@
   .folder-tab-toggle.on { background: var(--accent-muted); border-color: var(--accent-dim); color: var(--accent-fg); }
   .folder-tab-toggle:hover { color: var(--text-muted); border-color: var(--border-strong); }
   .folder-delete:hover:not(:disabled) { color: var(--color-error) !important; }
+  .folder-hidden { opacity: 0.35; }
+  .folder-default-active { color: var(--accent-fg) !important; }
 
   /* About */
   .about-block { padding: 0 var(--sp-3); display: flex; flex-direction: column; gap: var(--sp-1); }

src/components/shared/MangaPreview.svelte

@@ -2,11 +2,11 @@
   import { onMount, onDestroy } from "svelte";
   import { X, BookmarkSimple, ArrowSquareOut, Play, CircleNotch, Books, CaretDown, FolderSimplePlus, Folder, LinkSimpleHorizontalBreak } from "phosphor-svelte";
   import { gql, thumbUrl } from "../../lib/client";
-  import { GET_MANGA, GET_CHAPTERS, FETCH_MANGA, FETCH_CHAPTERS, UPDATE_MANGA, ENQUEUE_CHAPTERS_DOWNLOAD } from "../../lib/queries";
+  import { GET_MANGA, GET_CHAPTERS, FETCH_MANGA, FETCH_CHAPTERS, UPDATE_MANGA, ENQUEUE_CHAPTERS_DOWNLOAD, GET_CATEGORIES, CREATE_CATEGORY, UPDATE_MANGA_CATEGORIES } from "../../lib/queries";
   import { GET_ALL_MANGA } from "../../lib/queries";
   import { cache, CACHE_KEYS } from "../../lib/cache";
-  import { store, openReader, addToast, addFolder, assignMangaToFolder, removeMangaFromFolder, checkAndMarkCompleted, linkManga, unlinkManga, setPreviewManga, setActiveManga, setNavPage, setGenreFilter } from "../../store/state.svelte";
+  import { store, openReader, addToast, linkManga, unlinkManga, setPreviewManga, setActiveManga, setNavPage, setGenreFilter, checkAndMarkCompleted as storeCheckAndMarkCompleted } from "../../store/state.svelte";
-  import type { Manga, Chapter } from "../../lib/types";
+  import type { Manga, Chapter, Category } from "../../lib/types";
 
   let manga: Manga | null      = $state(null);
   let chapters: Chapter[]      = $state([]);
@@ -17,6 +17,9 @@
   let folderOpen               = $state(false);
   let newFolderName            = $state("");
   let creatingFolder           = $state(false);
+  let allCategories:  Category[] = $state([]);
+  let mangaCategories: Category[] = $state([]);
+  let catsLoading:    boolean    = $state(false);
   let queueingAll              = $state(false);
   let fetchError: string|null  = $state(null);
   let folderRef: HTMLDivElement = $state() as HTMLDivElement;
@@ -79,7 +82,7 @@
   const firstUpload     = $derived(uploadDates.length ? new Date(Math.min(...uploadDates)) : null);
   const lastUpload      = $derived(uploadDates.length ? new Date(Math.max(...uploadDates)) : null);
   const statusLabel     = $derived(displayManga?.status ? displayManga.status.charAt(0) + displayManga.status.slice(1).toLowerCase() : null);
-  const assignedFolders = $derived(store.previewManga ? store.settings.folders.filter((f) => f.mangaIds.includes(store.previewManga!.id)) : []);
+  const assignedFolders = $derived(mangaCategories.filter(c => c.id !== 0));
 
   const continueChapter = $derived.by(() => {
     if (!chapters.length) return null;
@@ -90,7 +93,7 @@
     return { ch: chapters[0], label: "Read again" };
   });
 
-  $effect(() => { if (store.previewManga) load(store.previewManga.id); });
+  $effect(() => { if (store.previewManga) { load(store.previewManga.id); loadCategories(store.previewManga.id); } });
 
   async function load(id: number) {
     detailAbort?.abort(); chapterAbort?.abort();
@@ -171,11 +174,55 @@
     close();
   }
 
-  function handleFolderCreate() {
+  function loadCategories(mangaId: number) {
+    catsLoading = true;
+    gql<{ categories: { nodes: Category[] } }>(GET_CATEGORIES)
+      .then(d => {
+        allCategories   = d.categories.nodes.filter(c => c.id !== 0);
+        mangaCategories = allCategories.filter(c => c.mangas?.nodes.some(m => m.id === mangaId));
+      })
+      .catch(console.error)
+      .finally(() => { catsLoading = false; });
+  }
+
+  async function checkAndMarkCompleted(mangaId: number, chaps: Chapter[]) {
+    await storeCheckAndMarkCompleted(mangaId, chaps, allCategories, gql, UPDATE_MANGA_CATEGORIES, UPDATE_MANGA);
+    // Sync local mangaCategories state after the mutation
+    if (chaps.length) {
+      const allRead   = chaps.every(c => c.isRead);
+      const completed = allCategories.find(c => c.name === "Completed");
+      if (completed) {
+        const inCompleted = mangaCategories.some(c => c.id === completed.id);
+        if (allRead && !inCompleted)  mangaCategories = [...mangaCategories, completed];
+        else if (!allRead && inCompleted) mangaCategories = mangaCategories.filter(c => c.id !== completed.id);
+      }
+    }
+  }
+
+  async function toggleCategory(cat: Category) {
+    if (!store.previewManga) return;
+    const mangaId = store.previewManga.id;
+    const inCat   = mangaCategories.some(c => c.id === cat.id);
+    await gql(UPDATE_MANGA_CATEGORIES, {
+      mangaId,
+      addTo:      inCat ? [] : [cat.id],
+      removeFrom: inCat ? [cat.id] : [],
+    }).catch(console.error);
+    mangaCategories = inCat
+      ? mangaCategories.filter(c => c.id !== cat.id)
+      : [...mangaCategories, cat];
+  }
+
+  async function handleFolderCreate() {
     const name = newFolderName.trim();
     if (!name || !store.previewManga) return;
-    const id = addFolder(name);
+    try {
-    assignMangaToFolder(id, store.previewManga.id);
+      const res = await gql<{ createCategory: { category: Category } }>(CREATE_CATEGORY, { name });
+      const cat = res.createCategory.category;
+      allCategories = [...allCategories, cat];
+      await gql(UPDATE_MANGA_CATEGORIES, { mangaId: store.previewManga.id, addTo: [cat.id], removeFrom: [] });
+      mangaCategories = [...mangaCategories, cat];
+    } catch (e) { console.error(e); }
     newFolderName = ""; creatingFolder = false;
   }
 
@@ -225,12 +272,15 @@
           </button>
           {#if folderOpen}
             <div class="folder-menu">
-              {#if store.settings.folders.length === 0 && !creatingFolder}<p class="folder-empty">No folders yet</p>{/if}
+              {#if catsLoading}
-              {#each store.settings.folders as f}
+                <p class="folder-empty">Loading…</p>
-                {@const isIn = store.previewManga ? f.mangaIds.includes(store.previewManga.id) : false}
+              {:else if allCategories.length === 0 && !creatingFolder}
-                <button class="folder-item" class:folder-item-on={isIn}
+                <p class="folder-empty">No folders yet</p>
-                  onclick={() => store.previewManga && (isIn ? removeMangaFromFolder(f.id, store.previewManga.id) : assignMangaToFolder(f.id, store.previewManga.id))}>
+              {/if}
-                  <Folder size={12} weight={isIn ? "fill" : "light"} />{isIn ? "✓ " : ""}{f.name}
+              {#each allCategories as cat}
+                {@const isIn = mangaCategories.some(c => c.id === cat.id)}
+                <button class="folder-item" class:folder-item-on={isIn} onclick={() => toggleCategory(cat)}>
+                  <Folder size={12} weight={isIn ? "fill" : "light"} />{isIn ? "✓ " : ""}{cat.name}
                 </button>
               {/each}
               <div class="folder-divider"></div>

src/components/shared/SourceBrowse.svelte

@@ -1,33 +1,35 @@
 <script lang="ts">
   import { ArrowLeft, MagnifyingGlass, ArrowLeft as Prev, ArrowRight as Next, BookmarkSimple, FolderSimplePlus, Folder } from "phosphor-svelte";
   import { gql, thumbUrl } from "../../lib/client";
-  import { FETCH_SOURCE_MANGA, UPDATE_MANGA } from "../../lib/queries";
+  import { FETCH_SOURCE_MANGA, UPDATE_MANGA, GET_CATEGORIES, CREATE_CATEGORY, UPDATE_MANGA_CATEGORIES } from "../../lib/queries";
-  import { store, addFolder, assignMangaToFolder, setActiveSource, setActiveManga, setNavPage } from "../../store/state.svelte";
+  import { store, setActiveSource, setActiveManga, setNavPage } from "../../store/state.svelte";
-  import type { Manga } from "../../lib/types";
+  import type { Manga, Category } from "../../lib/types";
   import ContextMenu, { type MenuEntry } from "../shared/ContextMenu.svelte";
 
   type BrowseType = "POPULAR" | "LATEST" | "SEARCH";
 
-  let mangas: Manga[]       = [];
+  let mangas: Manga[]        = $state([]);
-  let loading               = true;
+  let loading                = $state(true);
-  let page                  = 1;
+  let page                   = $state(1);
-  let hasNextPage           = false;
+  let hasNextPage            = $state(false);
-  let browseType: BrowseType = "POPULAR";
+  let browseType: BrowseType = $state("POPULAR");
-  let search                = "";
+  let search                 = $state("");
-  let searchInput           = "";
+  let searchInput            = $state("");
-  let ctx: { x: number; y: number; manga: Manga } | null = null;
+  let ctx: { x: number; y: number; manga: Manga } | null = $state(null);
+  let categories: Category[] = $state([]);
+  let catsLoaded             = false;
 
   async function fetchMangas(type: BrowseType, p: number, q: string) {
-    if (!$store.activeSource) return;
+    if (!store.activeSource) return;
     loading = true; mangas = [];
     gql<{ fetchSourceManga: { mangas: Manga[]; hasNextPage: boolean } }>(
-      FETCH_SOURCE_MANGA, { source: $store.activeSource.id, type, page: p, query: q || null }
+      FETCH_SOURCE_MANGA, { source: store.activeSource.id, type, page: p, query: q || null }
     ).then((d) => { mangas = d.fetchSourceManga.mangas; hasNextPage = d.fetchSourceManga.hasNextPage; })
      .catch(console.error)
      .finally(() => loading = false);
   }
 
-  $: if ($store.activeSource) fetchMangas(browseType, page, search);
+  $effect(() => { if (store.activeSource) fetchMangas(browseType, page, search); });
 
   function submitSearch() {
     search = searchInput.trim();
@@ -40,38 +42,58 @@
     browseType = mode; search = ""; searchInput = ""; page = 1;
   }
 
+  function openCtx(e: MouseEvent, m: Manga) {
+    e.preventDefault(); e.stopPropagation();
+    ctx = { x: e.clientX, y: e.clientY, manga: m };
+    if (!catsLoaded) {
+      catsLoaded = true;
+      gql<{ categories: { nodes: Category[] } }>(GET_CATEGORIES)
+        .then(d => { categories = d.categories.nodes.filter(c => c.id !== 0); })
+        .catch(console.error);
+    }
+  }
+
   function buildCtxItems(m: Manga): MenuEntry[] {
     return [
       { label: m.inLibrary ? "In Library" : "Add to library", icon: BookmarkSimple, disabled: m.inLibrary,
         onClick: () => gql(UPDATE_MANGA, { id: m.id, inLibrary: true })
           .then(() => mangas = mangas.map((x) => x.id === m.id ? { ...x, inLibrary: true } : x))
           .catch(console.error) },
-      ...($store.settings.folders.length > 0 ? [
+      ...(categories.length > 0 ? [
         { separator: true } as MenuEntry,
-        ...$store.settings.folders.map((f): MenuEntry => ({
+        ...categories.map((cat): MenuEntry => ({
-          label: f.mangaIds.includes(m.id) ? `✓ ${f.name}` : f.name, icon: Folder,
+          label: (cat.mangas?.nodes ?? []).some(x => x.id === m.id) ? `✓ ${cat.name}` : cat.name, icon: Folder,
-          onClick: () => assignMangaToFolder(f.id, m.id),
+          onClick: () => gql(UPDATE_MANGA_CATEGORIES, { mangaId: m.id, addTo: [cat.id], removeFrom: [] }).catch(console.error),
         })),
       ] : []),
       { separator: true },
-      { label: "New folder & add", icon: FolderSimplePlus, onClick: () => { const name = prompt("Folder name:"); if (name?.trim()) { const id = addFolder(name.trim()); assignMangaToFolder(id, m.id); } } },
+      { label: "New folder & add", icon: FolderSimplePlus, onClick: async () => {
+        const name = prompt("Folder name:");
+        if (!name?.trim()) return;
+        const res = await gql<{ createCategory: { category: Category } }>(CREATE_CATEGORY, { name: name.trim() }).catch(console.error);
+        if (res) {
+          const cat = res.createCategory.category;
+          categories = [...categories, cat];
+          await gql(UPDATE_MANGA_CATEGORIES, { mangaId: m.id, addTo: [cat.id], removeFrom: [] }).catch(console.error);
+        }
+      }},
     ];
   }
 </script>
 
-{#if $store.activeSource}
+{#if store.activeSource}
 <div class="root">
   <div class="header">
-    <button class="back" on:click={() => store.activeSource.set(null)}>
+    <button class="back" onclick={() => setActiveSource(null)}>
       <ArrowLeft size={13} weight="light" /><span>Sources</span>
     </button>
-    <span class="source-name">{$store.activeSource.displayName}</span>
+    <span class="source-name">{store.activeSource.displayName}</span>
   </div>
 
   <div class="toolbar">
     <div class="tabs">
       {#each (["POPULAR", "LATEST"] as BrowseType[]) as mode}
-        <button class="tab" class:active={browseType === mode && !search} on:click={() => setMode(mode)}>
+        <button class="tab" class:active={browseType === mode && !search} onclick={() => setMode(mode)}>
           {mode.charAt(0) + mode.slice(1).toLowerCase()}
         </button>
       {/each}
@@ -80,7 +102,7 @@
     <div class="search-wrap">
       <MagnifyingGlass size={12} class="search-icon" weight="light" />
       <input class="search" placeholder="Search source…" bind:value={searchInput}
-        on:keydown={(e) => e.key === "Enter" && submitSearch()} />
+        onkeydown={(e) => e.key === "Enter" && submitSearch()} />
     </div>
   </div>
 
@@ -95,8 +117,8 @@
   {:else}
     <div class="grid">
       {#each mangas as m (m.id)}
-        <button class="card" on:click={() => { store.activeManga.set(m); store.navPage.set("library"); }}
+        <button class="card" onclick={() => { setActiveManga(m); setNavPage("library"); }}
-          on:contextmenu={(e) => { e.preventDefault(); e.stopPropagation(); ctx = { x: e.clientX, y: e.clientY, manga: m }; }}>
+          oncontextmenu={(e) => openCtx(e, m)}>
           <div class="cover-wrap">
             <img src={thumbUrl(m.thumbnailUrl)} alt={m.title} class="cover" />
             {#if m.inLibrary}<span class="in-library-badge">In Library</span>{/if}
@@ -109,11 +131,11 @@
 
   {#if !loading && (page > 1 || hasNextPage)}
     <div class="pagination">
-      <button class="page-btn" on:click={() => page = Math.max(1, page - 1)} disabled={page === 1}>
+      <button class="page-btn" onclick={() => page = Math.max(1, page - 1)} disabled={page === 1}>
         <Prev size={13} weight="light" /> Prev
       </button>
       <span class="page-num">{page}</span>
-      <button class="page-btn" on:click={() => page++} disabled={!hasNextPage}>
+      <button class="page-btn" onclick={() => page++} disabled={!hasNextPage}>
         Next <Next size={13} weight="light" />
       </button>
     </div>
@@ -158,4 +180,5 @@
   .page-btn:disabled { opacity: 0.3; cursor: default; }
   .page-num { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--text-muted); letter-spacing: var(--tracking-wider); min-width: 24px; text-align: center; }
   .empty { display: flex; align-items: center; justify-content: center; flex: 1; color: var(--text-muted); font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: var(--tracking-wide); }
+  @keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
 </style>

src/lib/cache.ts

@@ -154,6 +154,7 @@ export const CACHE_GROUPS = {
 export const CACHE_KEYS = {
   LIBRARY:             "library",
   ALL_MANGA:           "all_manga_unfiltered",
+  CATEGORIES:          "categories",
   DISCOVER:            "discover_all_manga",  // Discover's unfiltered fetch — separate from library
   SOURCES:             "sources",
   POPULAR:             "popular",

src/lib/discord.ts

@@ -0,0 +1,81 @@
+import { start, stop, setActivity, clearActivity } from "tauri-plugin-drpc";
+import { Activity, Assets, Button, Timestamps }     from "tauri-plugin-drpc/activity";
+import type { Manga, Chapter }                       from "./types";
+
+const APP_ID         = "1487894643613106298";
+const FALLBACK_IMAGE = "moku_logo";
+
+function isPublicUrl(url: string | null | undefined): boolean {
+  return typeof url === "string" && url.startsWith("https://");
+}
+
+function resolveCoverImage(manga: Manga): string {
+  return isPublicUrl(manga.thumbnailUrl) ? manga.thumbnailUrl : FALLBACK_IMAGE;
+}
+
+function trunc(s: string, max = 128): string {
+  return s.length <= max ? s : `${s.slice(0, max - 1)}…`;
+}
+
+function formatChapter(chapter: Chapter): string {
+  const n = chapter.chapterNumber;
+  return `Chapter ${Number.isInteger(n) ? n : n.toFixed(1)}`;
+}
+
+const BUTTONS = [
+  new Button("GitHub", "https://github.com/Youwes09/Moku"),
+  new Button("Discord", "https://discord.gg/Jq3pwuNqPp"),
+];
+
+export async function initRpc(): Promise<void> {
+  await start(APP_ID)
+    .then(() => console.log("[discord] RPC started"))
+    .catch((e) => console.error("[discord] initRpc failed:", e));
+}
+
+export async function setReading(manga: Manga, chapter: Chapter): Promise<void> {
+  const assets = new Assets()
+    .setLargeImage(resolveCoverImage(manga))
+    .setLargeText(trunc(manga.title))
+    .setSmallImage(FALLBACK_IMAGE)
+    .setSmallText("Moku");
+
+  const activity = new Activity()
+    .setDetails(trunc(manga.title))
+    .setState(`${formatChapter(chapter)}  ·  Reading`)
+    .setAssets(assets)
+    .setTimestamps(new Timestamps(Date.now()));
+  activity.setButton(BUTTONS);
+
+  await setActivity(activity)
+    .then(() => console.log("[discord] reading →", manga.title, formatChapter(chapter)))
+    .catch((e) => console.error("[discord] setActivity failed:", e));
+}
+
+export async function setIdle(): Promise<void> {
+  const assets = new Assets()
+    .setLargeImage(FALLBACK_IMAGE)
+    .setLargeText("Moku");
+
+  const activity = new Activity()
+    .setDetails("Browsing")
+    .setAssets(assets)
+    .setTimestamps(new Timestamps(Date.now()));
+  activity.setButton(BUTTONS);
+
+  await setActivity(activity)
+    .then(() => console.log("[discord] idle"))
+    .catch((e) => console.error("[discord] setActivity failed (idle):", e));
+}
+
+export async function clearReading(): Promise<void> {
+  await clearActivity()
+    .then(() => console.log("[discord] activity cleared"))
+    .catch((e) => console.error("[discord] clearActivity failed:", e));
+}
+
+export async function destroyRpc(): Promise<void> {
+  await stop()
+    .then(() => console.log("[discord] RPC stopped"))
+    .catch((e) => console.error("[discord] destroyRpc failed:", e));
+}

src/lib/queries.ts

@@ -191,6 +191,95 @@ export const GET_DOWNLOADS_PATH = `
   }
 `;
 
+// ── Categories ────────────────────────────────────────────────────────────────
+
+export const GET_CATEGORIES = `
+  query GetCategories {
+    categories {
+      nodes {
+        id
+        name
+        order
+        default
+        includeInUpdate
+        includeInDownload
+        mangas {
+          nodes {
+            id
+            title
+            thumbnailUrl
+            inLibrary
+            downloadCount
+            unreadCount
+          }
+        }
+      }
+    }
+  }
+`;
+
+export const CREATE_CATEGORY = `
+  mutation CreateCategory($name: String!) {
+    createCategory(input: { name: $name }) {
+      category {
+        id
+        name
+        order
+        default
+        includeInUpdate
+        includeInDownload
+      }
+    }
+  }
+`;
+
+export const UPDATE_CATEGORY = `
+  mutation UpdateCategory($id: Int!, $name: String) {
+    updateCategory(input: { id: $id, patch: { name: $name } }) {
+      category {
+        id
+        name
+        order
+      }
+    }
+  }
+`;
+
+export const DELETE_CATEGORY = `
+  mutation DeleteCategory($id: Int!) {
+    deleteCategory(input: { categoryId: $id }) {
+      category {
+        id
+      }
+    }
+  }
+`;
+
+export const UPDATE_CATEGORY_ORDER = `
+  mutation UpdateCategoryOrder($id: Int!, $position: Int!) {
+    updateCategoryOrder(input: { id: $id, position: $position }) {
+      categories {
+        id
+        name
+        order
+        default
+        includeInUpdate
+        includeInDownload
+      }
+    }
+  }
+`;
+
+export const UPDATE_MANGA_CATEGORIES = `
+  mutation UpdateMangaCategories($mangaId: Int!, $addTo: [Int!]!, $removeFrom: [Int!]!) {
+    updateMangaCategories(input: { id: $mangaId, patch: { addToCategories: $addTo, removeFromCategories: $removeFrom } }) {
+      manga {
+        id
+      }
+    }
+  }
+`;
+
 // ── Downloads ─────────────────────────────────────────────────────────────────
 
 export const GET_DOWNLOAD_STATUS = `

src/lib/types.ts

@@ -1,3 +1,15 @@
+export interface Category {
+  id: number;
+  name: string;
+  order: number;
+  default: boolean;
+  includeInUpdate: string;
+  includeInDownload: string;
+  mangas?: {
+    nodes: Manga[];
+  };
+}
+
 export interface Manga {
   id: number;
   title: string;
@@ -5,6 +17,7 @@ export interface Manga {
   inLibrary: boolean;
   downloadCount?: number;
   unreadCount?: number;
+  chapterCount?: number;
   description?: string | null;
   status?: string | null;
   author?: string | null;

src/lib/util.ts

@@ -5,6 +5,34 @@ export function cn(...inputs: ClassValue[]) {
   return clsx(inputs);
 }
 
+// ── NSFW genre filtering ──────────────────────────────────────────────────────
+
+/**
+ * Genre tags that indicate adult/mature content.
+ * Checked case-insensitively against each manga's genre array.
+ * Extend this set if additional tags need to be covered.
+ */
+const NSFW_GENRE_TAGS = new Set([
+  "adult",
+  "mature",
+  "hentai",
+  "ecchi",
+  "erotica",
+  "pornographic",
+  "18+",
+  "smut",
+  "lemon",
+  "explicit",
+]);
+
+/**
+ * Returns true if the manga carries at least one genre tag that is considered
+ * adult/mature. Used to enforce the `showNsfw` setting across all views.
+ */
+export function isNsfwManga(manga: { genre?: string[] | null }): boolean {
+  return (manga.genre ?? []).some((g) => NSFW_GENRE_TAGS.has(g.toLowerCase().trim()));
+}
+
 // ── Source deduplication ──────────────────────────────────────────────────────
 
 export function dedupeSources(sources: Source[], preferredLang: string): Source[] {

src/store/state.svelte.ts

@@ -1,4 +1,4 @@
-import type { Manga, Chapter, Source } from "../lib/types";
+import type { Manga, Chapter, Category, Source } from "../lib/types";
 import { DEFAULT_KEYBINDS, type Keybinds } from "../lib/keybinds";
 
 export type PageStyle        = "single" | "double" | "longstrip";
@@ -8,6 +8,25 @@ export type NavPage          = "home" | "library" | "sources" | "explore" | "dow
 export type ReadingDirection = "ltr" | "rtl";
 export type ChapterSortDir   = "desc" | "asc";
 export type ChapterSortMode  = "source" | "chapterNumber" | "uploadDate";
+
+export type LibrarySortMode =
+  | "az"
+  | "unreadCount"
+  | "totalChapters"
+  | "recentlyAdded"
+  | "recentlyRead"
+  | "latestFetched"
+  | "latestUploaded";
+
+export type LibrarySortDir = "asc" | "desc";
+
+export type LibraryStatusFilter =
+  | "ALL"
+  | "ONGOING"
+  | "COMPLETED"
+  | "CANCELLED"
+  | "HIATUS"
+  | "UNKNOWN";
 export type BuiltinTheme     = "dark" | "high-contrast" | "light" | "light-contrast" | "midnight" | "warm";
 export type Theme            = BuiltinTheme | string; // custom themes have string IDs like "custom:abc123"
 
@@ -78,7 +97,6 @@ export const DEFAULT_THEME_TOKENS: ThemeTokens = {
   "color-info-bg":  "#121a1f",
 };
 
-export const COMPLETED_FOLDER_ID = "completed";
 
 export interface HistoryEntry {
   mangaId:      number;
@@ -142,19 +160,17 @@ export interface ActiveDownload {
   progress:  number;
 }
 
-export interface Folder {
-  id:       string;
-  name:     string;
-  mangaIds: number[];
-  showTab:  boolean;
-  system?:  boolean;
-}
 
 export interface Settings {
   pageStyle:               PageStyle;
   readingDirection:        ReadingDirection;
   fitMode:                 FitMode;
-  maxPageWidth:            number;
+  /**
+   * Reader zoom level — unitless float multiplier relative to the viewer
+   * container width. 1.0 = image fills the viewer, 1.5 = 150%, 0.8 = 80%.
+   * Replaces the old `maxPageWidth` pixel value.
+   */
+  readerZoom:              number;
   pageGap:                 boolean;
   optimizeContrast:        boolean;
   offsetDoubleSpreads:     boolean;
@@ -164,10 +180,16 @@ export interface Settings {
   libraryCropCovers:       boolean;
   libraryPageSize:         number;
   showNsfw:                boolean;
+  discordRpc:              boolean;
   chapterSortDir:          ChapterSortDir;
   chapterSortMode:         ChapterSortMode;
   chapterPageSize:         number;
-  uiScale:                 number;
+  /**
+   * UI zoom level — unitless float multiplier applied on top of the
+   * platform scale factor from the OS/monitor. 1.0 = no user adjustment.
+   * Replaces the old `uiScale` percentage integer.
+   */
+  uiZoom:                  number;
   compactSidebar:          boolean;
   gpuAcceleration:         boolean;
   serverUrl:               string;
@@ -178,7 +200,6 @@ export interface Settings {
   idleTimeoutMin?:         number;
   splashCards?:            boolean;
   storageLimitGb:          number | null;
-  folders:                 Folder[];
   markReadOnNext:          boolean;
   readerDebounceMs:        number;
   theme:                   Theme;
@@ -204,21 +225,25 @@ export interface Settings {
   appLockEnabled:          boolean;
   appLockPin:              string;
   customThemes:            CustomTheme[];
+  hiddenCategoryIds:       number[];
+  /** Category ID that opens by default when the Library tab is first visited. null = no default (shows Saved). */
+  defaultLibraryCategoryId: number | null;
+  /** Per-tab sort/filter state — keyed by libraryFilter value (e.g. "library", "downloaded", "42"). */
+  libraryTabSort:   Record<string, { mode: LibrarySortMode; dir: LibrarySortDir }>;
+  libraryTabStatus: Record<string, LibraryStatusFilter>;
+  // Legacy fields kept for migration reads only — never written after v3.
+  /** @deprecated use readerZoom */
+  maxPageWidth?:           number;
+  /** @deprecated use uiZoom */
+  uiScale?:                number;
 }
 
-const COMPLETED_FOLDER_DEFAULT: Folder = {
-  id:       COMPLETED_FOLDER_ID,
-  name:     "Completed",
-  mangaIds: [],
-  showTab:  true,
-  system:   true,
-};
 
 export const DEFAULT_SETTINGS: Settings = {
   pageStyle:              "longstrip",
   readingDirection:       "ltr",
   fitMode:                "width",
-  maxPageWidth:           900,
+  readerZoom:             1.0,
   pageGap:                true,
   optimizeContrast:       false,
   offsetDoubleSpreads:    false,
@@ -228,10 +253,11 @@ export const DEFAULT_SETTINGS: Settings = {
   libraryCropCovers:      true,
   libraryPageSize:        48,
   showNsfw:               false,
+  discordRpc:             false,
   chapterSortDir:         "desc",
   chapterSortMode:        "source",
   chapterPageSize:        25,
-  uiScale:                100,
+  uiZoom:                 1.0,
   compactSidebar:         false,
   gpuAcceleration:        true,
   serverUrl:              "http://localhost:4567",
@@ -242,7 +268,6 @@ export const DEFAULT_SETTINGS: Settings = {
   idleTimeoutMin:         5,
   splashCards:            true,
   storageLimitGb:         null,
-  folders:                [COMPLETED_FOLDER_DEFAULT],
   markReadOnNext:         true,
   readerDebounceMs:       120,
   theme:                  "dark",
@@ -268,16 +293,22 @@ export const DEFAULT_SETTINGS: Settings = {
   appLockEnabled:         false,
   appLockPin:             "",
   customThemes:           [],
+  hiddenCategoryIds:      [],
+  defaultLibraryCategoryId: null,
+  libraryTabSort:         {},
+  libraryTabStatus:       {},
 };
 
 // ── Persistence ───────────────────────────────────────────────────────────────
 
-const STORE_VERSION = 2;
+const STORE_VERSION = 3;
 
 // Fields reset to their DEFAULT_SETTINGS value on each version bump.
 // Add a key here whenever its default changes meaning between releases.
 const RESET_ON_UPGRADE: (keyof Settings)[] = [
   "serverBinary",
+  "readerZoom",
+  "uiZoom",
 ];
 
 function loadPersisted(): any {
@@ -318,20 +349,16 @@ const saved = (() => {
 })();
 
 function mergeSettings(saved: any): Settings {
-  const userFolders: Folder[]   = saved?.settings?.folders ?? [];
-  const existingCompleted       = userFolders.find(f => f.id === COMPLETED_FOLDER_ID);
-  const completedFolder: Folder = existingCompleted
-    ? { ...COMPLETED_FOLDER_DEFAULT, mangaIds: existingCompleted.mangaIds }
-    : COMPLETED_FOLDER_DEFAULT;
-  const otherFolders = userFolders.filter(f => f.id !== COMPLETED_FOLDER_ID);
   return {
     ...DEFAULT_SETTINGS,
     ...saved?.settings,
-    folders:    [completedFolder, ...otherFolders],
     keybinds:     { ...DEFAULT_KEYBINDS, ...saved?.settings?.keybinds },
     heroSlots:    saved?.settings?.heroSlots ?? [null, null, null, null],
     mangaLinks:   saved?.settings?.mangaLinks ?? {},
     customThemes: saved?.settings?.customThemes ?? [],
+    hiddenCategoryIds: saved?.settings?.hiddenCategoryIds ?? [],
+    libraryTabSort:    saved?.settings?.libraryTabSort    ?? {},
+    libraryTabStatus:  saved?.settings?.libraryTabStatus  ?? {},
   };
 }
 
@@ -350,7 +377,7 @@ const genId = () => Math.random().toString(36).slice(2, 10);
 
 class Store {
   navPage:           NavPage          = $state(saved?.navPage       ?? "home");
-  libraryFilter:     LibraryFilter    = $state(saved?.libraryFilter ?? "library");
+  libraryFilter:     LibraryFilter    = $state("library");
   history:           HistoryEntry[]   = $state(saved?.history       ?? []);
   /**
    * readLog — append-only, never deduped. Every chapter completion/progress
@@ -383,6 +410,12 @@ class Store {
   // UI-only: synced from Tauri window events in App.svelte. Not persisted.
   isFullscreen:      boolean          = $state(false);
 
+  // ── Shared category list ──────────────────────────────────────────────────
+  // Single source of truth for the category list, shared between Library and
+  // Settings. Library owns fetching; Settings reads and mutates in-place.
+  // No pub/sub or guard flags needed — both components share this $state ref.
+  categories: Category[] = $state([]);
+
   // ── Discover session cache ────────────────────────────────────────────────
   // Survives navigation within a session but is never persisted to localStorage.
   // Key format: "<sourceId>|<type>|<genre>" or "local|<genre>"
@@ -504,31 +537,9 @@ class Store {
     this.history      = [];
     this.readLog      = [];
     this.readingStats = { ...DEFAULT_READING_STATS };
-    this.settings     = { ...this.settings, folders: [COMPLETED_FOLDER_DEFAULT], heroSlots: [null, null, null, null], mangaLinks: {} };
+    this.settings     = { ...this.settings, heroSlots: [null, null, null, null], mangaLinks: {} };
   }
 
-  markMangaCompleted(mangaId: number) {
-    const folder = this.settings.folders.find(f => f.id === COMPLETED_FOLDER_ID);
-    if (!folder) return;
-    if (!folder.mangaIds.includes(mangaId))
-      folder.mangaIds = [...folder.mangaIds, mangaId];
-  }
-
-  unmarkMangaCompleted(mangaId: number) {
-    const folder = this.settings.folders.find(f => f.id === COMPLETED_FOLDER_ID);
-    if (!folder) return;
-    folder.mangaIds = folder.mangaIds.filter(id => id !== mangaId);
-  }
-
-  isCompleted(mangaId: number): boolean {
-    return this.settings.folders.find(f => f.id === COMPLETED_FOLDER_ID)?.mangaIds.includes(mangaId) ?? false;
-  }
-
-  checkAndMarkCompleted(mangaId: number, chapters: Chapter[]) {
-    if (!chapters.length) return;
-    if (chapters.every(c => c.isRead)) this.markMangaCompleted(mangaId);
-    else this.unmarkMangaCompleted(mangaId);
-  }
 
   linkManga(idA: number, idB: number) {
     if (idA === idB) return;
@@ -560,6 +571,7 @@ class Store {
   }
 
   dismissToast(id: string)                      { this.toasts = this.toasts.filter(x => x.id !== id); }
+  setCategories(cats: Category[])              { this.categories       = cats; }
   setActiveDownloads(next: ActiveDownload[])     { this.activeDownloads  = next; }
   setNavPage(next: NavPage)                      { this.navPage          = next; }
   setLibraryFilter(next: LibraryFilter)          { this.libraryFilter    = next; }
@@ -575,53 +587,6 @@ class Store {
   updateSettings(patch: Partial<Settings>)       { this.settings = { ...this.settings, ...patch }; }
   resetKeybinds()                                { this.settings = { ...this.settings, keybinds: DEFAULT_KEYBINDS }; }
 
-  addFolder(name: string): string {
-    const id = genId();
-    this.settings = { ...this.settings, folders: [...this.settings.folders, { id, name: name.trim(), mangaIds: [], showTab: false }] };
-    return id;
-  }
-
-  removeFolder(id: string) {
-    this.settings = { ...this.settings, folders: this.settings.folders.filter(f => f.id !== id || f.system) };
-  }
-
-  renameFolder(id: string, name: string) {
-    this.settings = {
-      ...this.settings,
-      folders: this.settings.folders.map(f => f.id === id && !f.system ? { ...f, name: name.trim() } : f),
-    };
-  }
-
-  toggleFolderTab(id: string) {
-    this.settings = {
-      ...this.settings,
-      folders: this.settings.folders.map(f => f.id === id ? { ...f, showTab: !f.showTab } : f),
-    };
-  }
-
-  assignMangaToFolder(folderId: string, mangaId: number) {
-    this.settings = {
-      ...this.settings,
-      folders: this.settings.folders.map(f =>
-        f.id === folderId && !f.mangaIds.includes(mangaId)
-          ? { ...f, mangaIds: [...f.mangaIds, mangaId] }
-          : f
-      ),
-    };
-  }
-
-  removeMangaFromFolder(folderId: string, mangaId: number) {
-    this.settings = {
-      ...this.settings,
-      folders: this.settings.folders.map(f =>
-        f.id === folderId ? { ...f, mangaIds: f.mangaIds.filter(id => id !== mangaId) } : f
-      ),
-    };
-  }
-
-  getMangaFolders(mangaId: number): Folder[] {
-    return this.settings.folders.filter(f => f.mangaIds.includes(mangaId));
-  }
 
   saveCustomTheme(theme: CustomTheme) {
     const existing = this.settings.customThemes.findIndex(t => t.id === theme.id);
@@ -637,6 +602,42 @@ class Store {
     this.settings = { ...this.settings, customThemes: next, theme: wasActive ? "dark" : this.settings.theme };
   }
 
+  /**
+   * Auto-assign or remove the "Completed" category for a manga based on
+   * whether all chapters are read. Pass the `gql` executor to avoid a
+   * circular import between state.svelte.ts and client.ts.
+   *
+   * Call after any batch mark-read/unread operation.
+   */
+  async checkAndMarkCompleted(
+    mangaId:    number,
+    chaps:      Chapter[],
+    categories: Category[],
+    gqlFn:      (query: string, vars: Record<string, unknown>) => Promise<unknown>,
+    UPDATE_MANGA_CATEGORIES: string,
+    UPDATE_MANGA?: string,
+  ): Promise<void> {
+    if (!chaps.length) return;
+    const allRead   = chaps.every(c => c.isRead);
+    const completed = categories.find(c => c.name === "Completed");
+    if (!completed) return;
+    if (allRead) {
+      await gqlFn(UPDATE_MANGA_CATEGORIES, { mangaId, addTo: [completed.id], removeFrom: [] }).catch(console.error);
+      // Ensure the manga is in the library so it shows up in the Saved tab
+      if (UPDATE_MANGA) {
+        await gqlFn(UPDATE_MANGA, { id: mangaId, inLibrary: true }).catch(console.error);
+      }
+    } else {
+      await gqlFn(UPDATE_MANGA_CATEGORIES, { mangaId, addTo: [], removeFrom: [completed.id] }).catch(console.error);
+    }
+  }
+
+  toggleHiddenCategory(id: number) {
+    const ids = this.settings.hiddenCategoryIds ?? [];
+    const next = ids.includes(id) ? ids.filter(x => x !== id) : [...ids, id];
+    this.settings = { ...this.settings, hiddenCategoryIds: next };
+  }
+
   clearDiscoverCache() {
     this.discoverCache      = new Map();
     this.discoverLibraryIds = new Set();
@@ -654,16 +655,13 @@ export function addHistory(entry: HistoryEntry, completed?: boolean, minutes?: n
 export function clearHistory()                                           { store.clearHistory(); }
 export function clearHistoryForManga(mangaId: number)                    { store.clearHistoryForManga(mangaId); }
 export function wipeAllData()                                            { store.wipeAllData(); }
-export function markMangaCompleted(mangaId: number)                      { store.markMangaCompleted(mangaId); }
-export function unmarkMangaCompleted(mangaId: number)                    { store.unmarkMangaCompleted(mangaId); }
-export function isCompleted(mangaId: number)                             { return store.isCompleted(mangaId); }
-export function checkAndMarkCompleted(mangaId: number, c: Chapter[])     { store.checkAndMarkCompleted(mangaId, c); }
 export function linkManga(idA: number, idB: number)                      { store.linkManga(idA, idB); }
 export function unlinkManga(idA: number, idB: number)                    { store.unlinkManga(idA, idB); }
 export function getLinkedMangaIds(mangaId: number)                       { return store.getLinkedMangaIds(mangaId); }
 export function setHeroSlot(i: 1|2|3, mangaId: number | null)            { store.setHeroSlot(i, mangaId); }
 export function addToast(toast: Omit<Toast, "id">)                       { store.addToast(toast); }
 export function dismissToast(id: string)                                 { store.dismissToast(id); }
+export function setCategories(cats: Category[])                           { store.setCategories(cats); }
 export function setActiveDownloads(next: ActiveDownload[])               { store.setActiveDownloads(next); }
 export function setNavPage(next: NavPage)                                { store.setNavPage(next); }
 export function setLibraryFilter(next: LibraryFilter)                    { store.setLibraryFilter(next); }
@@ -678,13 +676,17 @@ export function setLibraryTagFilter(next: string[])                      { store
 export function setSettingsOpen(next: boolean)                           { store.setSettingsOpen(next); }
 export function updateSettings(patch: Partial<Settings>)                 { store.updateSettings(patch); }
 export function resetKeybinds()                                          { store.resetKeybinds(); }
-export function addFolder(name: string)                                  { return store.addFolder(name); }
-export function removeFolder(id: string)                                 { store.removeFolder(id); }
-export function renameFolder(id: string, name: string)                   { store.renameFolder(id, name); }
-export function toggleFolderTab(id: string)                              { store.toggleFolderTab(id); }
-export function assignMangaToFolder(folderId: string, mangaId: number)   { store.assignMangaToFolder(folderId, mangaId); }
-export function removeMangaFromFolder(folderId: string, mangaId: number) { store.removeMangaFromFolder(folderId, mangaId); }
-export function getMangaFolders(mangaId: number)                         { return store.getMangaFolders(mangaId); }
 export function clearDiscoverCache()                                       { store.clearDiscoverCache(); }
+export function toggleHiddenCategory(id: number)                           { store.toggleHiddenCategory(id); }
 export function saveCustomTheme(theme: CustomTheme)                        { store.saveCustomTheme(theme); }
 export function deleteCustomTheme(id: string)                              { store.deleteCustomTheme(id); }
+export async function checkAndMarkCompleted(
+  mangaId:    number,
+  chaps:      Chapter[],
+  categories: Category[],
+  gqlFn:      (query: string, vars: Record<string, unknown>) => Promise<unknown>,
+  UPDATE_MANGA_CATEGORIES: string,
+  UPDATE_MANGA?: string,
+): Promise<void> {
+  return store.checkAndMarkCompleted(mangaId, chaps, categories, gqlFn, UPDATE_MANGA_CATEGORIES, UPDATE_MANGA);
+}