diff --git a/custom_components/bahmcloud_store/panel/panel.js b/custom_components/bahmcloud_store/panel/panel.js
index 5a37b25..aa6bb4e 100644
--- a/custom_components/bahmcloud_store/panel/panel.js
+++ b/custom_components/bahmcloud_store/panel/panel.js
@@ -18,6 +18,12 @@ class BahmcloudStorePanel extends HTMLElement {
     this._filter = "all"; // all|installed|not_installed|updates|custom
     this._sort = "az"; // az|updates_first|installed_first
 
+    // Source filter (all|bcs|hacs|custom)
+    this._sourceFilter = "all";
+
+    // HACS toggle (settings)
+    this._hacsEnabled = false;
+
     this._detailRepoId = null;
     this._detailRepo = null;
     this._readmeLoading = false;
@@ -50,6 +56,10 @@ class BahmcloudStorePanel extends HTMLElement {
     this._versionsCache = {}; // repo_id -> [{ref,label,source}, ...]
     this._versionsLoadingRepoId = null;
     this._selectedVersionByRepoId = {}; // repo_id -> ref ("" means latest)
+
+    // History handling (mobile back button should go back to list, not exit panel)
+    this._historyBound = false;
+    this._handlingPopstate = false;
   }
 
   set hass(hass) {
@@ -57,10 +67,43 @@ class BahmcloudStorePanel extends HTMLElement {
     if (!this._rendered) {
       this._rendered = true;
       this._render();
+      this._ensureHistory();
       this._load();
     }
   }
 
+  _ensureHistory() {
+    if (this._historyBound) return;
+    this._historyBound = true;
+
+    try {
+      // Keep an internal history state for this panel.
+      const current = window.history.state || {};
+      if (!current || current.__bcs !== true) {
+        window.history.replaceState({ __bcs: true, view: "store" }, "");
+      }
+    } catch (e) {
+      // ignore
+    }
+
+    window.addEventListener("popstate", (ev) => {
+      const st = ev?.state;
+      if (!st || st.__bcs !== true) return;
+
+      this._handlingPopstate = true;
+      try {
+        const view = st.view || "store";
+        if (view === "detail" && st.repo_id) {
+          this._openRepoDetail(st.repo_id, false);
+        } else {
+          this._closeDetail(false);
+        }
+      } finally {
+        this._handlingPopstate = false;
+      }
+    });
+  }
+
   async _load() {
     if (!this._hass) return;
 
@@ -72,6 +115,12 @@ class BahmcloudStorePanel extends HTMLElement {
       const data = await this._hass.callApi("get", "bcs");
       this._data = data;
 
+      // Persistent settings (e.g. HACS toggle)
+      this._hacsEnabled = !!data?.settings?.hacs_enabled;
+
+      // Sync settings from backend (e.g. HACS toggle)
+      this._hacsEnabled = !!data?.settings?.hacs_enabled;
+
       if (this._view === "detail" && this._detailRepoId && Array.isArray(data?.repos)) {
         const fresh = data.repos.find((r) => this._safeId(r?.id) === this._detailRepoId);
         if (fresh) this._detailRepo = fresh;
@@ -84,6 +133,19 @@ class BahmcloudStorePanel extends HTMLElement {
     }
   }
 
+  async _setSettings(updates) {
+    if (!this._hass) return;
+    try {
+      const resp = await this._hass.callApi("post", "bcs/settings", updates || {});
+      if (resp?.ok) {
+        this._hacsEnabled = !!resp?.settings?.hacs_enabled;
+      }
+    } catch (e) {
+      // Do not fail UI for settings.
+      this._error = e?.message ? String(e.message) : String(e);
+    }
+  }
+
   async _refreshAll() {
     if (!this._hass) return;
     if (this._refreshing) return;
@@ -308,21 +370,15 @@ class BahmcloudStorePanel extends HTMLElement {
   }
 
   _goBack() {
-    if (this._view === "detail") {
-      this._view = "store";
-      this._detailRepoId = null;
-      this._detailRepo = null;
-      this._readmeText = null;
-      this._readmeHtml = null;
-      this._readmeError = null;
-      this._readmeExpanded = false;
-      this._update();
-      return;
-    }
     try {
+      // Prefer browser history so mobile back behaves as expected.
       history.back();
     } catch (_) {
-      window.location.href = "/";
+      if (this._view === "detail") {
+        this._closeDetail(true);
+      } else {
+        window.location.href = "/";
+      }
     }
   }
 
@@ -368,11 +424,15 @@ class BahmcloudStorePanel extends HTMLElement {
     }
   }
 
-  _openRepoDetail(repoId) {
+  _openRepoDetail(repoId, pushHistory = true) {
     const repos = Array.isArray(this._data?.repos) ? this._data.repos : [];
     const repo = repos.find((r) => this._safeId(r?.id) === repoId);
     if (!repo) return;
 
+    if (pushHistory) {
+      this._pushHistory({ view: "detail", repo_id: repoId });
+    }
+
     this._view = "detail";
     this._detailRepoId = repoId;
     this._detailRepo = repo;
@@ -561,6 +621,24 @@ class BahmcloudStorePanel extends HTMLElement {
           box-shadow: 0 0 0 2px rgba(30,136,229,.15);
         }
 
+        .toggle{
+          display:inline-flex;
+          align-items:center;
+          gap:8px;
+          padding:10px 12px;
+          border-radius:14px;
+          border:1px solid var(--divider-color);
+          background: var(--card-background-color);
+          color: var(--primary-text-color);
+          user-select:none;
+          cursor:pointer;
+        }
+        .toggle input{
+          margin:0;
+          width:18px;
+          height:18px;
+        }
+
         button{
           padding:10px 12px;
           border-radius:14px;
@@ -859,6 +937,11 @@ class BahmcloudStorePanel extends HTMLElement {
         const cat = this._safeText(r?.category) || "";
         if (this._category !== "all" && this._category !== cat) return false;
 
+        // Source filter
+        if (this._sourceFilter === "bcs" && r?.source !== "index") return false;
+        if (this._sourceFilter === "hacs" && r?.source !== "hacs") return false;
+        if (this._sourceFilter === "custom" && r?.source !== "custom") return false;
+
         const latest = this._safeText(r?.latest_version);
         const installed = this._asBoolStrict(r?.installed);
         const installedVersion = this._safeText(r?.installed_version);
@@ -913,7 +996,11 @@ class BahmcloudStorePanel extends HTMLElement {
         const updateAvailable = installed && !!latest && (!installedVersion || latest !== installedVersion);
 
         const badges = [];
-        if (r?.source === "custom") badges.push("Custom");
+        // Source badges
+        if (r?.source === "index") badges.push("BCS Official");
+        else if (r?.source === "hacs") badges.push("HACS");
+        else if (r?.source === "custom") badges.push("Custom");
+
         if (installed) badges.push("Installed");
         if (updateAvailable) badges.push("Update");
 
@@ -939,6 +1026,18 @@ class BahmcloudStorePanel extends HTMLElement {
     return `
       <div class="filters">
         <input id="q" placeholder="Search…" value="${this._esc(this._search)}" />
+
+        <label class="toggle" title="Show official HACS repositories">
+          <input id="hacs_toggle" type="checkbox" ${this._hacsEnabled ? "checked" : ""} />
+          <span>HACS</span>
+        </label>
+
+        <select id="src">
+          <option value="all" ${this._sourceFilter === "all" ? "selected" : ""}>All sources</option>
+          <option value="bcs" ${this._sourceFilter === "bcs" ? "selected" : ""}>BCS Official</option>
+          <option value="hacs" ${this._sourceFilter === "hacs" ? "selected" : ""}>HACS</option>
+          <option value="custom" ${this._sourceFilter === "custom" ? "selected" : ""}>Custom</option>
+        </select>
         <select id="cat">
           <option value="all">All categories</option>
           ${categories.map((c) => `<option value="${this._esc(c)}" ${this._category === c ? "selected" : ""}>${this._esc(c)}</option>`).join("")}
@@ -972,6 +1071,8 @@ class BahmcloudStorePanel extends HTMLElement {
     const cat = root.getElementById("cat");
     const filter = root.getElementById("filter");
     const sort = root.getElementById("sort");
+    const src = root.getElementById("src");
+    const hacsToggle = root.getElementById("hacs_toggle");
 
     if (q) {
       q.addEventListener("input", (e) => {
@@ -998,12 +1099,51 @@ class BahmcloudStorePanel extends HTMLElement {
       });
     }
 
+    if (src) {
+      src.addEventListener("change", (e) => {
+        this._sourceFilter = e?.target?.value || "all";
+        this._update();
+      });
+    }
+
+    if (hacsToggle) {
+      hacsToggle.addEventListener("change", async (e) => {
+        const enabled = !!e?.target?.checked;
+        this._hacsEnabled = enabled;
+        this._update();
+        await this._setSettings({ hacs_enabled: enabled });
+        await this._load();
+      });
+    }
+
     root.querySelectorAll("[data-open]").forEach((el) => {
       const id = el.getAttribute("data-open");
-      el.addEventListener("click", () => this._openRepoDetail(id));
+      el.addEventListener("click", () => this._openRepoDetail(id, true));
     });
   }
 
+  _pushHistory(state) {
+    if (this._handlingPopstate) return;
+    try {
+      window.history.pushState({ __bcs: true, ...(state || {}) }, "");
+    } catch (e) {
+      // ignore
+    }
+  }
+
+  _closeDetail(pushHistory = true) {
+    this._view = "store";
+    this._detailRepoId = null;
+    this._detailRepo = null;
+    this._readmeText = null;
+    this._readmeHtml = null;
+    this._readmeError = null;
+    this._readmeExpanded = false;
+    this._readmeCanToggle = false;
+    if (pushHistory) this._pushHistory({ view: "store" });
+    this._update();
+  }
+
   _renderAbout() {
     return `
       <div class="card">