diff --git a/.shared/ui-ux-pro-max/scripts/__pycache__/core.cpython-312.pyc b/.shared/ui-ux-pro-max/scripts/__pycache__/core.cpython-312.pyc
index 0348f1b..1eda2a2 100644
Binary files a/.shared/ui-ux-pro-max/scripts/__pycache__/core.cpython-312.pyc and b/.shared/ui-ux-pro-max/scripts/__pycache__/core.cpython-312.pyc differ
diff --git a/.shared/ui-ux-pro-max/scripts/__pycache__/core.cpython-314.pyc b/.shared/ui-ux-pro-max/scripts/__pycache__/core.cpython-314.pyc
new file mode 100644
index 0000000..5d26186
Binary files /dev/null and b/.shared/ui-ux-pro-max/scripts/__pycache__/core.cpython-314.pyc differ
diff --git a/.shared/ui-ux-pro-max/scripts/__pycache__/design_system.cpython-312.pyc b/.shared/ui-ux-pro-max/scripts/__pycache__/design_system.cpython-312.pyc
index 8d85fdd..eaeab5e 100644
Binary files a/.shared/ui-ux-pro-max/scripts/__pycache__/design_system.cpython-312.pyc and b/.shared/ui-ux-pro-max/scripts/__pycache__/design_system.cpython-312.pyc differ
diff --git a/.shared/ui-ux-pro-max/scripts/__pycache__/design_system.cpython-314.pyc b/.shared/ui-ux-pro-max/scripts/__pycache__/design_system.cpython-314.pyc
new file mode 100644
index 0000000..e5e299a
Binary files /dev/null and b/.shared/ui-ux-pro-max/scripts/__pycache__/design_system.cpython-314.pyc differ
diff --git a/apps/extension/options.html b/apps/extension/options.html
index 3f807fe..e245df1 100644
--- a/apps/extension/options.html
+++ b/apps/extension/options.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>BrowserBookmark Options</title>
+    <title>云书签 选项</title>
   </head>
   <body>
     <div id="app"></div>
diff --git a/apps/extension/src/lib/api.js b/apps/extension/src/lib/api.js
index af48a6b..aef6365 100644
--- a/apps/extension/src/lib/api.js
+++ b/apps/extension/src/lib/api.js
@@ -2,7 +2,7 @@ const BASE_URL = import.meta.env.VITE_SERVER_BASE_URL || "http://localhost:3001"
 
 export async function apiFetch(path, options = {}) {
   const headers = new Headers(options.headers || {});
-  headers.set("Accept", "application/json");
+  if (!headers.has("Accept")) headers.set("Accept", "application/json");
 
   if (!(options.body instanceof FormData) && options.body != null) {
     headers.set("Content-Type", "application/json");
diff --git a/apps/extension/src/options/OptionsApp.vue b/apps/extension/src/options/OptionsApp.vue
index 2649dfa..3638cd4 100644
--- a/apps/extension/src/options/OptionsApp.vue
+++ b/apps/extension/src/options/OptionsApp.vue
@@ -5,7 +5,7 @@ import { RouterLink, RouterView } from "vue-router";
 <template>
   <div class="shell">
     <header class="nav">
-      <div class="brand">BrowserBookmark 扩展</div>
+      <div class="brand">云书签</div>
       <nav class="links">
         <RouterLink to="/" class="link">公开</RouterLink>
         <RouterLink to="/my" class="link">我的</RouterLink>
diff --git a/apps/extension/src/options/pages/ImportExportPage.vue b/apps/extension/src/options/pages/ImportExportPage.vue
index 6a8fe44..e48c3e5 100644
--- a/apps/extension/src/options/pages/ImportExportPage.vue
+++ b/apps/extension/src/options/pages/ImportExportPage.vue
@@ -8,6 +8,10 @@ const file = ref(null);
 const status = ref("");
 const error = ref("");
 
+function onFileChange(e) {
+  file.value = e?.target?.files?.[0] || null;
+}
+
 async function importToLocal() {
   status.value = "";
   error.value = "";
@@ -44,8 +48,30 @@ async function importFile() {
   }
 }
 
-function exportCloud() {
-  window.open("http://localhost:3001/bookmarks/export/html", "_blank");
+async function exportCloud() {
+  status.value = "";
+  error.value = "";
+
+  try {
+    const html = await apiFetch("/bookmarks/export/html", {
+      method: "GET",
+      headers: { Accept: "text/html" }
+    });
+
+    const blob = new Blob([html], { type: "text/html;charset=utf-8" });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement("a");
+    a.href = url;
+    a.download = "bookmarks-cloud.html";
+    document.body.appendChild(a);
+    a.click();
+    a.remove();
+    URL.revokeObjectURL(url);
+
+    status.value = "云端导出完成";
+  } catch (e) {
+    error.value = e.message || String(e);
+  }
 }
 
 async function exportLocal() {
@@ -82,7 +108,7 @@ async function exportLocal() {
       <input
         type="file"
         accept="text/html,.html"
-        @change="(e) => (file.value = e.target.files?.[0] || null)"
+        @change="onFileChange"
       />
       <button class="btn" @click="importFile">开始导入</button>
       <p v-if="status" class="ok">{{ status }}</p>
diff --git a/apps/extension/src/popup/PopupApp.vue b/apps/extension/src/popup/PopupApp.vue
index 0a43438..c281572 100644
--- a/apps/extension/src/popup/PopupApp.vue
+++ b/apps/extension/src/popup/PopupApp.vue
@@ -12,6 +12,16 @@ const mode = ref("local");
 const loading = ref(false);
 const error = ref("");
 
+const cloudAvailable = ref(false);
+
+const addCurrentOpen = ref(false);
+const foldersLoading = ref(false);
+const folders = ref([]);
+const selectedFolderId = ref(null);
+const addCurrentBusy = ref(false);
+const addCurrentStatus = ref("");
+const activePage = ref({ title: "", url: "" });
+
 const filtered = computed(() => {
   const query = q.value.trim().toLowerCase();
   if (!query) return items.value;
@@ -36,11 +46,89 @@ function openOptions() {
   }
 }
 
+async function getActiveTabPage() {
+  try {
+    if (typeof chrome !== "undefined" && chrome.tabs?.query) {
+      const tabs = await new Promise((resolve) => {
+        chrome.tabs.query({ active: true, currentWindow: true }, (result) => resolve(result || []));
+      });
+      const tab = tabs?.[0];
+      return { title: tab?.title || "", url: tab?.url || "" };
+    }
+  } catch {
+    // ignore
+  }
+  return { title: document.title || "", url: window.location?.href || "" };
+}
+
+async function loadFolders() {
+  foldersLoading.value = true;
+  try {
+    const list = await apiFetch("/folders");
+    folders.value = Array.isArray(list) ? list : [];
+  } finally {
+    foldersLoading.value = false;
+  }
+}
+
+async function openAddCurrent() {
+  addCurrentStatus.value = "";
+  error.value = "";
+  selectedFolderId.value = null;
+  activePage.value = await getActiveTabPage();
+
+  const token = await getToken();
+  cloudAvailable.value = Boolean(token);
+  if (!token) {
+    addCurrentOpen.value = true;
+    return;
+  }
+
+  addCurrentOpen.value = true;
+  await loadFolders();
+}
+
+async function addCurrentToCloud() {
+  addCurrentStatus.value = "";
+  error.value = "";
+
+  const token = await getToken();
+  if (!token) {
+    error.value = "请先登录后再添加到云书签";
+    return;
+  }
+
+  const page = await getActiveTabPage();
+  const t = String(page.title || "").trim() || String(page.url || "").trim();
+  const u = String(page.url || "").trim();
+  if (!u) return;
+
+  try {
+    addCurrentBusy.value = true;
+    await apiFetch("/bookmarks", {
+      method: "POST",
+      body: JSON.stringify({
+        folderId: selectedFolderId.value ?? null,
+        title: t,
+        url: u,
+        visibility: "private"
+      })
+    });
+    addCurrentStatus.value = "已添加到云书签";
+    await load();
+  } catch (e) {
+    error.value = e.message || String(e);
+  } finally {
+    addCurrentBusy.value = false;
+  }
+}
+
 async function load() {
   loading.value = true;
   error.value = "";
   try {
     const token = await getToken();
+    cloudAvailable.value = Boolean(token);
     mode.value = token ? "cloud" : "local";
 
     if (mode.value === "cloud") {
@@ -109,6 +197,37 @@ onMounted(load);
       <button class="btn primary" @click="quickAdd">添加</button>
     </div>
 
+    <div class="card">
+      <div class="cardTitle">添加当前页面到云书签</div>
+      <div class="muted">只需选一个文件夹（不选默认根目录）。</div>
+      <button class="btn primary" :disabled="addCurrentBusy" @click="openAddCurrent">添加当前页面</button>
+
+      <div v-if="addCurrentOpen" class="subCard">
+        <div class="subTitle">当前页面</div>
+        <div class="subText">{{ activePage.title || '（无标题）' }}</div>
+        <div class="subUrl">{{ activePage.url || '（无法获取链接）' }}</div>
+
+        <template v-if="cloudAvailable">
+          <div class="subTitle" style="margin-top: 10px;">选择文件夹</div>
+          <select v-model="selectedFolderId" class="input" :disabled="foldersLoading || addCurrentBusy">
+            <option :value="null">（根目录）</option>
+            <option v-for="f in folders" :key="f.id" :value="f.id">{{ f.name }}</option>
+          </select>
+          <button class="btn primary" :disabled="addCurrentBusy || !activePage.url" @click="addCurrentToCloud">
+            {{ addCurrentBusy ? '添加中…' : '确认添加到云端' }}
+          </button>
+          <div v-if="foldersLoading" class="muted">加载文件夹中…</div>
+        </template>
+
+        <template v-else>
+          <div class="muted" style="margin-top: 10px;">当前未登录，无法添加到云端。</div>
+          <button class="btn" @click="openOptions">去登录</button>
+        </template>
+
+        <div v-if="addCurrentStatus" class="ok">{{ addCurrentStatus }}</div>
+      </div>
+    </div>
+
     <div v-if="error" class="error">{{ error }}</div>
     <div v-if="loading" class="muted">加载中…</div>
 
@@ -138,6 +257,11 @@ onMounted(load);
 .input { padding: 8px 10px; border: 1px solid #e5e7eb; border-radius: 10px; background: white; }
 .card { border: 1px solid #e5e7eb; border-radius: 12px; padding: 10px; background: white; display: grid; gap: 8px; margin-bottom: 10px; }
 .cardTitle { font-weight: 700; font-size: 12px; color: #334155; }
+.subCard { border: 1px dashed #e5e7eb; border-radius: 12px; padding: 10px; background: #f8fafc; display: grid; gap: 8px; }
+.subTitle { font-weight: 700; font-size: 12px; color: #334155; }
+.subText { font-weight: 700; color: #0f172a; overflow-wrap: anywhere; }
+.subUrl { font-size: 12px; color: #475569; overflow-wrap: anywhere; }
+.ok { font-size: 12px; color: #065f46; background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 10px; padding: 8px 10px; }
 .list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
 .item { border: 1px solid #e5e7eb; border-radius: 12px; padding: 10px; cursor: pointer; background: white; transition: background 150ms, border-color 150ms; }
 .item:hover { background: rgba(59, 130, 246, 0.06); border-color: rgba(59, 130, 246, 0.35); }
diff --git a/apps/web/index.html b/apps/web/index.html
index 05ff710..fa8a953 100644
--- a/apps/web/index.html
+++ b/apps/web/index.html
@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/vite.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>web</title>
+    <title>云书签</title>
   </head>
   <body>
     <div id="app"></div>
diff --git a/apps/web/src/App.vue b/apps/web/src/App.vue
index da7d651..1f35a25 100644
--- a/apps/web/src/App.vue
+++ b/apps/web/src/App.vue
@@ -1,36 +1,124 @@
 <script setup>
-import { computed } from "vue";
-import { RouterLink, RouterView } from "vue-router";
-import { getToken } from "./lib/api";
+import { computed, onBeforeUnmount, onMounted, ref } from "vue";
+import { RouterLink, RouterView, useRouter } from "vue-router";
+import { setToken, tokenRef } from "./lib/api";
 
-const loggedIn = computed(() => Boolean(getToken()));
+const router = useRouter();
+const loggedIn = computed(() => Boolean(tokenRef.value));
+
+const menuOpen = ref(false);
+
+function toggleMenu() {
+  menuOpen.value = !menuOpen.value;
+}
+
+function closeMenu() {
+  menuOpen.value = false;
+}
+
+async function logout() {
+  setToken("");
+  closeMenu();
+  await router.push("/");
+}
+
+function onDocPointerDown(e) {
+  const target = e.target;
+  if (!(target instanceof HTMLElement)) return;
+  if (target.closest("[data-bb-menu]")) return;
+  closeMenu();
+}
+
+onMounted(() => {
+  document.addEventListener("pointerdown", onDocPointerDown);
+});
+
+onBeforeUnmount(() => {
+  document.removeEventListener("pointerdown", onDocPointerDown);
+});
+
+router.afterEach(() => {
+  closeMenu();
+});
 </script>
 
 <template>
-  <header class="nav">
+  <header class="nav" data-bb-menu>
     <div class="navInner">
-      <RouterLink to="/" class="brand">BrowserBookmark</RouterLink>
+      <RouterLink to="/" class="brand">
+        <span class="brandMark">X</span>
+        <span class="brandText">云书签</span>
+      </RouterLink>
+
       <nav class="links">
-        <RouterLink to="/" class="link">公开</RouterLink>
+        <RouterLink to="/" class="link">首页</RouterLink>
         <RouterLink to="/my" class="link">我的</RouterLink>
-        <RouterLink to="/import" class="link">导入导出</RouterLink>
+
         <RouterLink v-if="!loggedIn" to="/login" class="link primary">登录</RouterLink>
+
+        <div v-else class="menuWrap" data-bb-menu>
+          <button class="link menuBtn" type="button" :aria-expanded="menuOpen" @click="toggleMenu">
+            菜单
+            <span class="chev" aria-hidden="true">▾</span>
+          </button>
+
+          <div v-if="menuOpen" class="menu" role="menu">
+            <RouterLink class="menuItem" to="/import" role="menuitem">导入 / 导出</RouterLink>
+            <button class="menuItem danger" type="button" role="menuitem" @click="logout">退出登录</button>
+          </div>
+        </div>
       </nav>
     </div>
   </header>
+
   <main>
     <RouterView />
   </main>
 </template>
 
 <style scoped>
-.nav { position: sticky; top: 0; z-index: 10; background: rgba(248,250,252,0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--bb-border); }
+.nav { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,0.55); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255,255,255,0.35); }
 .navInner { max-width: 1100px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
-.brand { font-weight: 800; color: var(--bb-text); text-decoration: none; }
+.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; color: var(--bb-text); text-decoration: none; letter-spacing: -0.02em; }
+.brandMark { width: 34px; height: 34px; border-radius: 12px; display: grid; place-items: center; background: var(--bb-clay); box-shadow: var(--bb-shadow-clay); border: 1px solid rgba(255,255,255,0.7); }
+.brandText { font-size: 14px; }
 .links { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
-.link { color: var(--bb-text); text-decoration: none; padding: 8px 10px; border-radius: 10px; transition: background 150ms, color 150ms; }
-.link:hover { background: rgba(59,130,246,0.08); }
-.link.router-link-active { background: rgba(59,130,246,0.12); }
-.primary { background: var(--bb-primary); color: white; }
-.primary:hover { background: var(--bb-primary-weak); }
+.link { color: var(--bb-text); text-decoration: none; padding: 9px 12px; border-radius: 14px; transition: transform 120ms ease, box-shadow 120ms ease, background 150ms, color 150ms; background: rgba(255,255,255,0.25); border: 1px solid rgba(255,255,255,0.45); }
+.link:hover { box-shadow: 0 10px 30px rgba(15, 23, 42, 0.10); transform: translateY(-1px); }
+.link.router-link-active { background: rgba(255,255,255,0.55); }
+.primary { background: linear-gradient(135deg, var(--bb-primary), var(--bb-primary-weak)); color: white; border-color: rgba(255,255,255,0.25); }
+.primary:hover { filter: brightness(1.03); }
+
+.menuWrap { position: relative; }
+.menuBtn { cursor: pointer; }
+.chev { margin-left: 6px; opacity: 0.8; }
+.menu {
+  position: absolute;
+  right: 0;
+  top: calc(100% + 10px);
+  width: 220px;
+  padding: 8px;
+  border-radius: 16px;
+  background: rgba(255,255,255,0.72);
+  border: 1px solid rgba(255,255,255,0.5);
+  backdrop-filter: blur(16px);
+  box-shadow: 0 20px 70px rgba(15, 23, 42, 0.16);
+}
+.menuItem {
+  width: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 10px;
+  padding: 10px 12px;
+  border-radius: 14px;
+  border: 1px solid rgba(255,255,255,0.35);
+  background: rgba(255,255,255,0.35);
+  color: var(--bb-text);
+  text-decoration: none;
+  cursor: pointer;
+}
+.menuItem + .menuItem { margin-top: 8px; }
+.menuItem:hover { background: rgba(255,255,255,0.6); }
+.menuItem.danger { color: #991b1b; background: rgba(254, 202, 202, 0.35); border-color: rgba(254, 202, 202, 0.6); }
 </style>
diff --git a/apps/web/src/components/BbSelect.vue b/apps/web/src/components/BbSelect.vue
new file mode 100644
index 0000000..671a091
--- /dev/null
+++ b/apps/web/src/components/BbSelect.vue
@@ -0,0 +1,101 @@
+<script setup>
+import { computed, onBeforeUnmount, onMounted, ref } from "vue";
+
+const props = defineProps({
+  modelValue: { type: [String, Number, Boolean, Object, null], default: null },
+  options: { type: Array, required: true },
+  disabled: { type: Boolean, default: false },
+  placeholder: { type: String, default: "请选择" },
+  size: { type: String, default: "md" } // md | sm
+});
+
+const emit = defineEmits(["update:modelValue"]);
+
+const rootEl = ref(null);
+const open = ref(false);
+
+const selected = computed(() => props.options.find((o) => Object.is(o.value, props.modelValue)) || null);
+const label = computed(() => selected.value?.label ?? "");
+
+function close() {
+  open.value = false;
+}
+
+function toggle() {
+  if (props.disabled) return;
+  open.value = !open.value;
+}
+
+function choose(value, isDisabled) {
+  if (props.disabled || isDisabled) return;
+  emit("update:modelValue", value);
+  close();
+}
+
+function onKeydownTrigger(e) {
+  if (props.disabled) return;
+  if (e.key === "Enter" || e.key === " ") {
+    e.preventDefault();
+    toggle();
+  }
+  if (e.key === "Escape") {
+    e.preventDefault();
+    close();
+  }
+}
+
+function onDocPointerDown(e) {
+  const el = rootEl.value;
+  if (!el) return;
+  if (el.contains(e.target)) return;
+  close();
+}
+
+onMounted(() => {
+  document.addEventListener("pointerdown", onDocPointerDown);
+});
+
+onBeforeUnmount(() => {
+  document.removeEventListener("pointerdown", onDocPointerDown);
+});
+</script>
+
+<template>
+  <div ref="rootEl" class="bb-selectWrap" :class="size === 'sm' ? 'bb-selectWrap--sm' : ''">
+    <button
+      type="button"
+      class="bb-selectTrigger"
+      :disabled="disabled"
+      :aria-expanded="open ? 'true' : 'false'"
+      @click="toggle"
+      @keydown="onKeydownTrigger"
+    >
+      <span class="bb-selectValue" :class="!label ? 'bb-selectPlaceholder' : ''">
+        {{ label || placeholder }}
+      </span>
+      <span class="bb-selectChevron" aria-hidden="true">
+        <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+          <path d="M6 9l6 6 6-6" />
+        </svg>
+      </span>
+    </button>
+
+    <div v-if="open" class="bb-selectMenu" role="listbox">
+      <button
+        v-for="(o, idx) in options"
+        :key="idx"
+        type="button"
+        class="bb-selectOption"
+        :class="[
+          Object.is(o.value, modelValue) ? 'is-selected' : '',
+          o.disabled ? 'is-disabled' : ''
+        ]"
+        role="option"
+        :aria-selected="Object.is(o.value, modelValue) ? 'true' : 'false'"
+        @click="choose(o.value, o.disabled)"
+      >
+        <span class="bb-selectOptionLabel">{{ o.label }}</span>
+      </button>
+    </div>
+  </div>
+</template>
diff --git a/apps/web/src/lib/api.js b/apps/web/src/lib/api.js
index ce920a8..001140f 100644
--- a/apps/web/src/lib/api.js
+++ b/apps/web/src/lib/api.js
@@ -1,17 +1,30 @@
+import { ref } from "vue";
+
 const BASE_URL = import.meta.env.VITE_SERVER_BASE_URL || "http://localhost:3001";
 
+export const tokenRef = ref(localStorage.getItem("bb_token") || "");
+
 export function getToken() {
-  return localStorage.getItem("bb_token") || "";
+  return tokenRef.value || "";
 }
 
 export function setToken(token) {
-  if (token) localStorage.setItem("bb_token", token);
+  const next = token || "";
+  tokenRef.value = next;
+  if (next) localStorage.setItem("bb_token", next);
   else localStorage.removeItem("bb_token");
 }
 
+// Keep auth state in sync across tabs.
+if (typeof window !== "undefined") {
+  window.addEventListener("storage", (e) => {
+    if (e.key === "bb_token") tokenRef.value = e.newValue || "";
+  });
+}
+
 export async function apiFetch(path, options = {}) {
   const headers = new Headers(options.headers || {});
-  headers.set("Accept", "application/json");
+  if (!headers.has("Accept")) headers.set("Accept", "application/json");
 
   if (!(options.body instanceof FormData) && options.body != null) {
     headers.set("Content-Type", "application/json");
diff --git a/apps/web/src/pages/ImportExportPage.vue b/apps/web/src/pages/ImportExportPage.vue
index 55b00f1..095022c 100644
--- a/apps/web/src/pages/ImportExportPage.vue
+++ b/apps/web/src/pages/ImportExportPage.vue
@@ -1,17 +1,26 @@
 <script setup>
 import { computed, ref } from "vue";
-import { apiFetch, getToken } from "../lib/api";
+import { apiFetch, tokenRef } from "../lib/api";
 import {
   exportLocalToNetscapeHtml,
   importLocalFromNetscapeHtml,
   listLocalBookmarks
 } from "../lib/localData";
 
-const loggedIn = computed(() => Boolean(getToken()));
+const loggedIn = computed(() => Boolean(tokenRef.value));
 const file = ref(null);
 const status = ref("");
 const error = ref("");
 const busy = ref(false);
+const fileInputEl = ref(null);
+
+function onFileChange(e) {
+  file.value = e?.target?.files?.[0] || null;
+}
+
+function openFilePicker() {
+  fileInputEl.value?.click?.();
+}
 
 async function importFile() {
   status.value = "";
@@ -37,8 +46,33 @@ async function importFile() {
   }
 }
 
-function exportCloud() {
-  window.open("http://localhost:3001/bookmarks/export/html", "_blank");
+async function exportCloud() {
+  status.value = "";
+  error.value = "";
+
+  try {
+    busy.value = true;
+    const html = await apiFetch("/bookmarks/export/html", {
+      method: "GET",
+      headers: { Accept: "text/html" }
+    });
+
+    const blob = new Blob([html], { type: "text/html;charset=utf-8" });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement("a");
+    a.href = url;
+    a.download = "bookmarks-cloud.html";
+    document.body.appendChild(a);
+    a.click();
+    a.remove();
+    URL.revokeObjectURL(url);
+
+    status.value = "云端导出完成";
+  } catch (e) {
+    error.value = e.message || String(e);
+  } finally {
+    busy.value = false;
+  }
 }
 
 async function exportLocal() {
@@ -70,45 +104,65 @@ async function exportLocal() {
 
 <template>
   <section class="bb-page">
-    <h1>导入 / 导出</h1>
+    <div class="bb-pageHeader">
+      <div>
+        <h1 style="margin: 0;">导入 / 导出</h1>
+        <div class="bb-muted" style="margin-top: 4px;">把浏览器书签升级成“可同步、可复习、可分享”的知识库。</div>
+      </div>
+    </div>
 
-    <div class="bb-card">
-      <h2>导入 Chrome/Edge 书签 HTML</h2>
-      <div class="bb-row" style="margin-top: 10px;">
+    <div class="bb-clayCard" style="margin-top: 12px;">
+      <div class="bb-cardTitle">导入 Chrome/Edge 书签 HTML</div>
+      <div class="bb-cardSub">支持自动去重与合并；登录后会写入云端数据库。</div>
+
+      <div class="bb-row" style="margin-top: 12px;">
         <input
-          class="bb-input"
+          ref="fileInputEl"
+          class="bb-fileInput"
           type="file"
           accept="text/html,.html"
-          @change="(e) => (file.value = e.target.files?.[0] || null)"
+          @change="onFileChange"
         />
-        <button class="bb-btn" :disabled="busy" @click="importFile">开始导入</button>
+        <button class="bb-btn bb-btn--secondary" :disabled="busy" @click="openFilePicker">选择 HTML 文件</button>
+        <div class="bb-fileName" :class="!file ? 'is-empty' : ''">
+          {{ file ? file.name : "未选择文件" }}
+        </div>
+        <button class="bb-btn" :disabled="busy || !file" @click="importFile">开始导入</button>
       </div>
 
-      <p v-if="status" class="bb-alert bb-alert--ok" style="margin-top: 10px;">{{ status }}</p>
-      <p v-if="error" class="bb-alert bb-alert--error" style="margin-top: 10px;">{{ error }}</p>
+      <p v-if="status" class="bb-alert bb-alert--ok" style="margin-top: 12px;">{{ status }}</p>
+      <p v-if="error" class="bb-alert bb-alert--error" style="margin-top: 12px;">{{ error }}</p>
 
       <p class="bb-muted" style="margin-top: 10px;">
         未登录：导入写入本机 localStorage，并使用 urlNormalized/urlHash 自动去重；登录：导入写入数据库并自动去重合并。
       </p>
     </div>
 
-    <div class="bb-grid2" style="margin-top: 12px;">
-      <div v-if="loggedIn" class="bb-card">
-        <h2>导出（云端）</h2>
-        <p class="bb-muted">导出你的云端书签（保留文件夹层级）。</p>
-        <button class="bb-btn" :disabled="busy" @click="exportCloud">导出为 HTML</button>
+    <div v-if="loggedIn" class="bb-grid2" style="margin-top: 12px;">
+      <div class="bb-card bb-card--interactive">
+        <div class="bb-cardTitle">导出（云端）</div>
+        <div class="bb-cardSub">保留文件夹层级；已携带登录态导出。</div>
+        <div style="margin-top: 12px;">
+          <button class="bb-btn" :disabled="busy" @click="exportCloud">导出为 HTML</button>
+        </div>
       </div>
 
-      <div class="bb-card">
-        <h2>导出（本地）</h2>
-        <p class="bb-muted">导出当前浏览器中的本地书签（对齐扩展：平铺导出）。</p>
-        <button class="bb-btn bb-btn--secondary" :disabled="busy" @click="exportLocal">导出为 HTML</button>
+      <div class="bb-card bb-card--interactive">
+        <div class="bb-cardTitle">导出（本地）</div>
+        <div class="bb-cardSub">导出当前浏览器 localStorage 中的书签（平铺导出）。</div>
+        <div style="margin-top: 12px;">
+          <button class="bb-btn bb-btn--secondary" :disabled="busy" @click="exportLocal">导出为 HTML</button>
+        </div>
       </div>
     </div>
+
+    <div v-else class="bb-empty" style="margin-top: 12px;">
+      <div style="font-weight: 900;">登录后可导出云端书签</div>
+      <div class="bb-muted" style="margin-top: 6px;">你仍可在未登录状态下导入到本机，并导出本机数据。</div>
+    </div>
   </section>
 </template>
 
 <style scoped>
-h1 { margin: 0 0 12px; }
-h2 { margin: 0 0 6px; font-size: 16px; }
+/* page-level tweaks only */
 </style>
diff --git a/apps/web/src/pages/LoginPage.vue b/apps/web/src/pages/LoginPage.vue
index dbe38b9..13065f2 100644
--- a/apps/web/src/pages/LoginPage.vue
+++ b/apps/web/src/pages/LoginPage.vue
@@ -34,7 +34,8 @@ async function submit() {
 
     clearLocalState();
 
-    await router.push("/my");
+    const next = String(router.currentRoute.value.query?.next || "").trim();
+    await router.push(next || "/my");
   } catch (e) {
     error.value = e.message || String(e);
   } finally {
@@ -44,28 +45,89 @@ async function submit() {
 </script>
 
 <template>
-  <section class="bb-page" style="max-width: 560px;">
-    <h1>{{ mode === 'register' ? '注册' : '登录' }}</h1>
+  <section class="bb-page bb-auth">
+    <div class="bb-authCard bb-clayCard">
+      <div class="bb-authHeader">
+        <div class="bb-pill">云端同步 · 本地不丢</div>
+        <h1 class="bb-authTitle">{{ mode === 'register' ? '注册账号' : '登录账号' }}</h1>
+        <p class="bb-heroSub">登录后自动同步到云端；不登录也能本地管理（localStorage）。</p>
+      </div>
 
-    <div class="row">
-      <button class="tab" :class="{ active: mode === 'login' }" @click="mode = 'login'">登录</button>
-      <button class="tab" :class="{ active: mode === 'register' }" @click="mode = 'register'">注册</button>
+      <div class="bb-seg" role="tablist" aria-label="登录模式">
+        <button
+          class="bb-segBtn"
+          :class="{ active: mode === 'login' }"
+          role="tab"
+          :aria-selected="mode === 'login'"
+          @click="mode = 'login'"
+        >
+          登录
+        </button>
+        <button
+          class="bb-segBtn"
+          :class="{ active: mode === 'register' }"
+          role="tab"
+          :aria-selected="mode === 'register'"
+          @click="mode = 'register'"
+        >
+          注册
+        </button>
+      </div>
+
+      <div class="bb-authForm">
+        <label class="bb-field">
+          <span class="bb-label">邮箱</span>
+          <input v-model="email" class="bb-input" placeholder="name@example.com" autocomplete="email" />
+        </label>
+        <label class="bb-field">
+          <span class="bb-label">密码</span>
+          <input
+            v-model="password"
+            class="bb-input"
+            placeholder="至少 8 位"
+            type="password"
+            autocomplete="current-password"
+          />
+        </label>
+
+        <button class="bb-btn" :disabled="loading" @click="submit">
+          {{ loading ? '处理中…' : (mode === 'register' ? '创建账号并登录' : '登录') }}
+        </button>
+
+        <p v-if="error" class="bb-alert bb-alert--error" style="margin: 0;">{{ error }}</p>
+      </div>
+
+      <div class="bb-authFoot bb-muted">
+        Token 会持久化保存；仅当你手动退出才会清除。
+      </div>
     </div>
 
-    <div class="form">
-      <input v-model="email" class="bb-input" placeholder="邮箱" autocomplete="email" />
-      <input v-model="password" class="bb-input" placeholder="密码（至少 8 位）" type="password" autocomplete="current-password" />
-      <button class="bb-btn" :disabled="loading" @click="submit">提交</button>
-      <p v-if="error" class="bb-alert bb-alert--error">{{ error }}</p>
-    </div>
+    <aside class="bb-authAside bb-card">
+      <div class="bb-cardTitle">你将获得</div>
+      <div class="bb-cardSub">更像“课程平台”的学习型收藏体验。</div>
 
-    <p class="bb-muted" style="margin-top: 10px;">未登录时，你的书签会保存在本机 localStorage。</p>
+      <div class="bb-authBadges">
+        <span class="bb-tag">同步</span>
+        <span class="bb-tag bb-tag2">去重</span>
+        <span class="bb-tag bb-tag3">文件夹层级</span>
+      </div>
+
+      <ul class="bb-bullets" style="margin-top: 10px;">
+        <li>导入 Chrome/Edge 书签 HTML 一键合并</li>
+        <li>公开/私有可切换，公开页可分享</li>
+        <li>跨标签页登录态自动同步</li>
+      </ul>
+
+      <div class="bb-miniQuote" style="margin-top: 12px;">
+        <div class="bb-quote">“终于把书签变成了可复习的知识库。”</div>
+        <div class="bb-quoteBy">— 早八人 · 收藏课学员</div>
+      </div>
+    </aside>
   </section>
 </template>
 
 <style scoped>
-.row { display: flex; gap: 8px; margin: 12px 0; }
-.tab { flex: 1; padding: 10px 12px; border: 1px solid #e5e7eb; border-radius: 10px; background: #f8fafc; cursor: pointer; }
-.tab.active { border-color: #111827; background: #111827; color: white; }
-.form { display: grid; gap: 10px; }
+.bb-authTitle { margin: 10px 0 6px; }
+.bb-authForm { display: grid; gap: 10px; margin-top: 12px; }
+.bb-authFoot { margin-top: 10px; }
 </style>
diff --git a/apps/web/src/pages/MyPage.vue b/apps/web/src/pages/MyPage.vue
index da6590c..fedd5f1 100644
--- a/apps/web/src/pages/MyPage.vue
+++ b/apps/web/src/pages/MyPage.vue
@@ -1,9 +1,10 @@
 <script setup>
 import { computed, onMounted, ref } from "vue";
-import { apiFetch, getToken, setToken } from "../lib/api";
+import BbSelect from "../components/BbSelect.vue";
+import { apiFetch, tokenRef } from "../lib/api";
 import { loadLocalState, markLocalDeleted, patchLocalBookmark, upsertLocalBookmark } from "../lib/localData";
 
-const loggedIn = computed(() => Boolean(getToken()));
+const loggedIn = computed(() => Boolean(tokenRef.value));
 const error = ref("");
 const loading = ref(false);
 
@@ -74,6 +75,37 @@ function folderLabel(f, depth) {
   return `${pad}${f.name}`;
 }
 
+const folderOptions = computed(() => [
+  { value: null, label: "（无文件夹）" },
+  ...folderFlat.value.map((x) => ({ value: x.folder.id, label: folderLabel(x.folder, x.depth) }))
+]);
+
+const folderRootOptions = computed(() => [
+  { value: null, label: "（根目录）" },
+  ...folderFlat.value.map((x) => ({ value: x.folder.id, label: folderLabel(x.folder, x.depth) }))
+]);
+
+function folderRootOptionsForEdit(currentFolderId) {
+  return [
+    { value: null, label: "（根目录）" },
+    ...folderFlat.value.map((x) => ({
+      value: x.folder.id,
+      label: folderLabel(x.folder, x.depth),
+      disabled: x.folder.id === currentFolderId
+    }))
+  ];
+}
+
+const visibilityOptions = [
+  { value: "public", label: "公开" },
+  { value: "private", label: "私有" }
+];
+
+const folderVisibilityOptions = [
+  { value: "private", label: "私有" },
+  { value: "public", label: "公开" }
+];
+
 async function loadRemote() {
   loading.value = true;
   error.value = "";
@@ -239,11 +271,6 @@ async function saveEdit(id) {
   }
 }
 
-function logout() {
-  setToken("");
-  loadLocal();
-}
-
 async function reload() {
   if (loggedIn.value) await loadRemote();
   else loadLocal();
@@ -263,32 +290,37 @@ onMounted(() => {
 <template>
   <section class="bb-page">
     <div class="bb-pageHeader">
-      <h1>我的书签</h1>
-      <button v-if="loggedIn" class="bb-btn bb-btn--secondary" @click="logout">退出登录</button>
+      <div>
+        <h1 style="margin: 0;">我的书签</h1>
+        <div class="bb-muted" style="margin-top: 4px;">像课程进度一样管理你的链接：分组、搜索、可公开。</div>
+      </div>
     </div>
 
     <p v-if="!loggedIn" class="bb-muted" style="margin-top: 8px;">
       当前未登录：数据仅保存在本机 localStorage。登录后会自动同步到云端。
     </p>
 
-    <div class="searchRow" style="margin-top: 12px;">
-      <input v-model="q" class="bb-input" placeholder="搜索标题/链接" @keyup.enter="reload" />
-      <button class="bb-btn bb-btn--secondary" :disabled="loading" @click="reload">搜索</button>
-      <button class="bb-btn bb-btn--secondary" :disabled="loading" @click="clearSearch">清除</button>
+    <div class="bb-card" style="margin-top: 12px;">
+      <div class="sectionTitle">快速搜索</div>
+      <div class="searchRow" style="margin-top: 10px;">
+        <input v-model="q" class="bb-input" placeholder="搜索标题/链接" @keyup.enter="reload" />
+        <button class="bb-btn bb-btn--secondary" :disabled="loading" @click="reload">搜索</button>
+        <button class="bb-btn bb-btn--secondary" :disabled="loading" @click="clearSearch">清除</button>
+      </div>
     </div>
 
-    <div class="form">
-      <input v-model="title" class="bb-input" placeholder="标题" />
-      <input v-model="url" class="bb-input" placeholder="链接（https://...）" />
-      <select v-model="folderId" class="bb-select">
-        <option :value="null">（无文件夹）</option>
-        <option v-for="x in folderFlat" :key="x.folder.id" :value="x.folder.id">{{ folderLabel(x.folder, x.depth) }}</option>
-      </select>
-      <select v-model="visibility" class="bb-select">
-        <option value="public">公开</option>
-        <option value="private">私有</option>
-      </select>
-      <button class="bb-btn" @click="add">添加</button>
+    <div class="bb-card" style="margin-top: 12px;">
+      <div class="sectionTitle">添加书签</div>
+      <div class="form" style="margin-top: 10px;">
+        <input v-model="title" class="bb-input" placeholder="标题" />
+        <input v-model="url" class="bb-input" placeholder="链接（https://...）" />
+        <BbSelect v-model="folderId" :options="folderOptions" />
+        <BbSelect v-model="visibility" :options="visibilityOptions" />
+        <button class="bb-btn" @click="add">添加</button>
+      </div>
+      <div class="bb-muted" style="margin-top: 10px;">
+        小贴士：标题可写“为什么收藏/怎么用”，以后复习更快。
+      </div>
     </div>
 
     <div v-if="loggedIn" class="bb-card" style="margin: 12px 0;">
@@ -297,14 +329,8 @@ onMounted(() => {
       </div>
       <div class="bb-row" style="margin-top: 10px;">
         <input v-model="folderName" class="bb-input" placeholder="新文件夹名称" />
-        <select v-model="folderParentId" class="bb-select">
-          <option :value="null">（根目录）</option>
-          <option v-for="x in folderFlat" :key="x.folder.id" :value="x.folder.id">{{ folderLabel(x.folder, x.depth) }}</option>
-        </select>
-        <select v-model="folderVisibility" class="bb-select">
-          <option value="private">私有</option>
-          <option value="public">公开</option>
-        </select>
+        <BbSelect v-model="folderParentId" :options="folderRootOptions" />
+        <BbSelect v-model="folderVisibility" :options="folderVisibilityOptions" />
         <button class="bb-btn" @click="createFolder">创建文件夹</button>
       </div>
 
@@ -322,21 +348,11 @@ onMounted(() => {
           </template>
           <template v-else>
             <input v-model="editFolderName" class="bb-input" placeholder="文件夹名称" />
-            <select v-model="editFolderParentId" class="bb-select">
-              <option :value="null">（根目录）</option>
-              <option
-                v-for="p in folderFlat"
-                :key="p.folder.id"
-                :value="p.folder.id"
-                :disabled="p.folder.id === x.folder.id"
-              >
-                {{ folderLabel(p.folder, p.depth) }}
-              </option>
-            </select>
-            <select v-model="editFolderVisibility" class="bb-select">
-              <option value="private">私有</option>
-              <option value="public">公开</option>
-            </select>
+            <BbSelect
+              v-model="editFolderParentId"
+              :options="folderRootOptionsForEdit(x.folder.id)"
+            />
+            <BbSelect v-model="editFolderVisibility" :options="folderVisibilityOptions" />
             <div class="actions">
               <button class="bb-btn" @click="saveFolder(x.folder.id)">保存</button>
               <button class="bb-btn bb-btn--secondary" @click="cancelEditFolder">取消</button>
@@ -350,7 +366,7 @@ onMounted(() => {
       </div>
     </div>
 
-    <p v-if="error" class="bb-alert bb-alert--error">{{ error }}</p>
+    <p v-if="error" class="bb-alert bb-alert--error" style="margin-top: 12px;">{{ error }}</p>
     <p v-if="loading" class="bb-muted">加载中…</p>
 
     <div v-if="!loading && !error && !items.length" class="bb-empty" style="margin-top: 12px;">
@@ -372,14 +388,8 @@ onMounted(() => {
         <div v-else class="edit">
           <input v-model="editTitle" class="bb-input" placeholder="标题" />
           <input v-model="editUrl" class="bb-input" placeholder="链接" />
-          <select v-model="editFolderId" class="bb-select">
-            <option :value="null">（无文件夹）</option>
-            <option v-for="x in folderFlat" :key="x.folder.id" :value="x.folder.id">{{ folderLabel(x.folder, x.depth) }}</option>
-          </select>
-          <select v-model="editVisibility" class="bb-select">
-            <option value="public">公开</option>
-            <option value="private">私有</option>
-          </select>
+          <BbSelect v-model="editFolderId" :options="folderOptions" />
+          <BbSelect v-model="editVisibility" :options="visibilityOptions" />
           <div class="actions">
             <button class="bb-btn" @click="saveEdit(b.id)">保存</button>
             <button class="bb-btn bb-btn--secondary" @click="cancelEdit">取消</button>
diff --git a/apps/web/src/pages/PublicPage.vue b/apps/web/src/pages/PublicPage.vue
index 4ddf904..b4054df 100644
--- a/apps/web/src/pages/PublicPage.vue
+++ b/apps/web/src/pages/PublicPage.vue
@@ -24,21 +24,28 @@ onMounted(load);
 
 <template>
   <section class="bb-page">
-    <h1>公开书签</h1>
-
-    <div class="bb-row" style="margin: 12px 0;">
-      <input v-model="q" class="bb-input" placeholder="搜索标题或链接" @keyup.enter="load" />
-      <button class="bb-btn bb-btn--secondary" :disabled="loading" @click="load">搜索</button>
+    <div class="bb-pageHeader">
+      <div>
+        <h1 style="margin: 0;">公开书签</h1>
+        <div class="bb-muted" style="margin-top: 4px;">无需登录即可浏览：来自用户设置为“公开”的书签。</div>
+      </div>
     </div>
 
-    <p v-if="error" class="bb-alert bb-alert--error">{{ error }}</p>
-    <p v-else-if="loading" class="bb-muted">加载中…</p>
-    <div v-else-if="!items.length" class="bb-empty">
-      <div style="font-weight: 700;">暂无公开书签</div>
-      <div class="bb-muted" style="margin-top: 6px;">换个关键词试试，或稍后再来。</div>
+    <div class="bb-card" style="margin-top: 12px;">
+      <div class="bb-row">
+        <input v-model="q" class="bb-input" placeholder="搜索标题或链接" @keyup.enter="load" />
+        <button class="bb-btn bb-btn--secondary" :disabled="loading" @click="load">搜索</button>
+      </div>
+
+      <p v-if="error" class="bb-alert bb-alert--error" style="margin-top: 12px;">{{ error }}</p>
+      <p v-else-if="loading" class="bb-muted" style="margin-top: 12px;">加载中…</p>
+      <div v-else-if="!items.length" class="bb-empty" style="margin-top: 12px;">
+        <div style="font-weight: 800;">暂无公开书签</div>
+        <div class="bb-muted" style="margin-top: 6px;">换个关键词试试，或稍后再来。</div>
+      </div>
     </div>
 
-    <ul v-if="!loading && !error && items.length" class="bb-grid2" style="list-style: none; padding: 0;">
+    <ul v-if="!loading && !error && items.length" class="bb-publicList">
       <li v-for="b in items" :key="b.id" class="bb-card bb-card--interactive">
         <a :href="b.url" target="_blank" rel="noopener" class="title">{{ b.title }}</a>
         <div class="bb-muted" style="overflow-wrap: anywhere; margin-top: 6px;">{{ b.url }}</div>
@@ -48,6 +55,7 @@ onMounted(load);
 </template>
 
 <style scoped>
-h1 { margin: 0 0 12px; }
-.title { color: var(--bb-text); font-weight: 800; text-decoration: none; }
+.title { color: var(--bb-text); font-weight: 900; text-decoration: none; }
+.bb-publicList { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 12px; }
+@media (min-width: 768px) { .bb-publicList { grid-template-columns: 1fr 1fr; } }
 </style>
diff --git a/apps/web/src/router.js b/apps/web/src/router.js
index 3660c85..ecdf5fa 100644
--- a/apps/web/src/router.js
+++ b/apps/web/src/router.js
@@ -3,6 +3,7 @@ import PublicPage from "./pages/PublicPage.vue";
 import LoginPage from "./pages/LoginPage.vue";
 import MyPage from "./pages/MyPage.vue";
 import ImportExportPage from "./pages/ImportExportPage.vue";
+import { tokenRef } from "./lib/api";
 
 export const router = createRouter({
   history: createWebHistory(),
@@ -13,3 +14,19 @@ export const router = createRouter({
     { path: "/import", component: ImportExportPage }
   ]
 });
+
+router.beforeEach((to) => {
+  const loggedIn = Boolean(tokenRef.value);
+
+  // 主页（/）永远是公共首页；不因登录态自动跳转
+
+  // 已登录访问登录页：直接去“我的”
+  if (to.path === "/login" && loggedIn) return { path: "/my" };
+
+  // 导入导出：登录后才可见/可用
+  if (to.path === "/import" && !loggedIn) {
+    return { path: "/login", query: { next: to.fullPath } };
+  }
+
+  return true;
+});
diff --git a/apps/web/src/style.css b/apps/web/src/style.css
index b3e4ad1..35a13a1 100644
--- a/apps/web/src/style.css
+++ b/apps/web/src/style.css
@@ -1,12 +1,24 @@
-@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");
+@import url("https://fonts.googleapis.com/css2?family=Baloo+2:wght@600;700;800&family=Inter:wght@300;400;500;600;700&display=swap");
 
 :root {
-  --bb-bg: #f8fafc;
-  --bb-text: #1e293b;
-  --bb-primary: #3b82f6;
-  --bb-primary-weak: #60a5fa;
-  --bb-cta: #f97316;
-  --bb-border: #e5e7eb;
+  /* Educational-platform claymorphism palette (vibrant + friendly) */
+  --bb-bg: #f0fdfa;
+  --bb-text: #134e4a;
+  --bb-primary: #0d9488;
+  --bb-primary-weak: #2dd4bf;
+  --bb-cta: #ea580c;
+  --bb-border: rgba(19, 78, 74, 0.12);
+  --bb-border-strong: rgba(19, 78, 74, 0.20);
+
+  --bb-font-heading: "Baloo 2", Inter, ui-sans-serif, system-ui;
+
+  --bb-gradient: radial-gradient(1100px 520px at 12% 10%, rgba(13, 148, 136, 0.30), transparent 55%),
+    radial-gradient(920px 620px at 92% 18%, rgba(45, 212, 191, 0.22), transparent 56%),
+    radial-gradient(900px 600px at 45% 92%, rgba(234, 88, 12, 0.20), transparent 55%),
+    linear-gradient(180deg, #f0fdfa 0%, #f8fafc 60%, #ffffff 100%);
+
+  --bb-clay: linear-gradient(145deg, rgba(255,255,255,0.96), rgba(255,255,255,0.70));
+  --bb-shadow-clay: 0 22px 60px rgba(19, 78, 74, 0.16), 0 2px 0 rgba(255,255,255,0.92) inset, 0 -2px 0 rgba(19, 78, 74, 0.05) inset;
 
   font-family: Inter, ui-sans-serif, system-ui;
   line-height: 1.5;
@@ -23,7 +35,7 @@ body {
   margin: 0;
   min-width: 320px;
   min-height: 100vh;
-  background: var(--bb-bg);
+  background: var(--bb-gradient);
   color: var(--bb-text);
 }
 
@@ -37,13 +49,13 @@ a {
 }
 
 a:hover {
-  color: var(--bb-primary-weak);
+  color: var(--bb-cta);
 }
 
 a:focus-visible,
 button:focus-visible,
 input:focus-visible {
-  outline: 2px solid rgba(59, 130, 246, 0.6);
+  outline: 2px solid rgba(13, 148, 136, 0.55);
   outline-offset: 2px;
 }
 
@@ -73,7 +85,7 @@ input:focus-visible {
 }
 
 .bb-muted {
-  color: #475569;
+  color: rgba(19, 78, 74, 0.72);
   font-size: 12px;
 }
 
@@ -81,12 +93,133 @@ input:focus-visible {
 .bb-select {
   width: 100%;
   padding: 10px 12px;
-  border: 1px solid var(--bb-border);
-  border-radius: 10px;
-  background: white;
+  border: 1px solid rgba(255,255,255,0.55);
+  border-radius: 16px;
+  background: rgba(255,255,255,0.55);
+  backdrop-filter: blur(10px);
   color: var(--bb-text);
 }
 
+/* Hide native file control (we use styled buttons) */
+.bb-fileInput {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
+.bb-fileName {
+  flex: 1;
+  min-width: 180px;
+  padding: 10px 12px;
+  border: 1px solid rgba(255,255,255,0.55);
+  border-radius: 16px;
+  background: rgba(255,255,255,0.55);
+  backdrop-filter: blur(10px);
+  color: var(--bb-text);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.bb-fileName.is-empty {
+  color: rgba(19, 78, 74, 0.55);
+}
+
+/* Custom select (consistent dropdown menu styling) */
+.bb-selectWrap {
+  position: relative;
+  width: 100%;
+}
+
+.bb-selectWrap--sm .bb-selectTrigger {
+  padding: 8px 10px;
+}
+
+.bb-selectTrigger {
+  width: 100%;
+  padding: 10px 12px;
+  border: 1px solid rgba(255,255,255,0.55);
+  border-radius: 16px;
+  background: rgba(255,255,255,0.55);
+  backdrop-filter: blur(10px);
+  color: var(--bb-text);
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 10px;
+  cursor: pointer;
+  text-align: left;
+}
+
+.bb-selectTrigger:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+.bb-selectValue {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.bb-selectPlaceholder {
+  color: rgba(19, 78, 74, 0.55);
+}
+
+.bb-selectChevron {
+  flex: 0 0 auto;
+  opacity: 0.85;
+}
+
+.bb-selectMenu {
+  position: absolute;
+  top: calc(100% + 8px);
+  left: 0;
+  right: 0;
+  z-index: 50;
+  border-radius: 18px;
+  padding: 6px;
+  border: 1px solid rgba(255,255,255,0.65);
+  background: rgba(255,255,255,0.70);
+  backdrop-filter: blur(14px);
+  box-shadow: 0 22px 60px rgba(19, 78, 74, 0.16);
+  max-height: 320px;
+  overflow: auto;
+}
+
+.bb-selectOption {
+  width: 100%;
+  border: 1px solid transparent;
+  background: transparent;
+  color: var(--bb-text);
+  padding: 10px 10px;
+  border-radius: 14px;
+  cursor: pointer;
+  text-align: left;
+  display: flex;
+  align-items: center;
+}
+
+.bb-selectOption:hover {
+  background: rgba(13, 148, 136, 0.10);
+}
+
+.bb-selectOption.is-selected {
+  background: rgba(234, 88, 12, 0.12);
+  border-color: rgba(234, 88, 12, 0.22);
+}
+
+.bb-selectOption.is-disabled {
+  opacity: 0.45;
+  cursor: not-allowed;
+}
+
 .bb-input--sm,
 .bb-select--sm {
   padding: 8px 10px;
@@ -94,9 +227,9 @@ input:focus-visible {
 
 .bb-btn {
   padding: 10px 12px;
-  border: 1px solid var(--bb-primary);
-  border-radius: 10px;
-  background: var(--bb-primary);
+  border: 1px solid rgba(255,255,255,0.25);
+  border-radius: 16px;
+  background: linear-gradient(135deg, var(--bb-primary), var(--bb-cta));
   color: white;
   cursor: pointer;
   transition: transform 120ms ease, filter 120ms ease, background 120ms ease;
@@ -111,8 +244,8 @@ input:focus-visible {
 }
 
 .bb-btn--secondary {
-  border-color: var(--bb-border);
-  background: rgba(59, 130, 246, 0.08);
+  border-color: rgba(255,255,255,0.45);
+  background: rgba(255,255,255,0.35);
   color: var(--bb-text);
 }
 
@@ -129,10 +262,11 @@ input:focus-visible {
 }
 
 .bb-card {
-  border: 1px solid var(--bb-border);
-  border-radius: 14px;
+  border: 1px solid rgba(255,255,255,0.55);
+  border-radius: 18px;
   padding: 12px;
-  background: white;
+  background: rgba(255,255,255,0.55);
+  backdrop-filter: blur(12px);
 }
 
 .bb-card--interactive {
@@ -164,10 +298,430 @@ input:focus-visible {
 }
 
 .bb-empty {
-  border: 1px dashed var(--bb-border);
-  border-radius: 14px;
+  border: 1px dashed rgba(15, 23, 42, 0.18);
+  border-radius: 18px;
   padding: 18px 14px;
-  background: rgba(255, 255, 255, 0.65);
+  background: rgba(255, 255, 255, 0.55);
+}
+
+/* --- Landing page (ui-ux-pro-max) --- */
+.bb-landing {
+  max-width: 1100px;
+  margin: 0 auto;
+  padding: 18px 16px 28px;
+}
+
+.bb-hero {
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: 14px;
+  align-items: stretch;
+}
+
+@media (min-width: 960px) {
+  .bb-hero {
+    grid-template-columns: 1.25fr 0.75fr;
+    gap: 16px;
+  }
+}
+
+.bb-pill {
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 12px;
+  border-radius: 999px;
+  border: 1px solid rgba(255,255,255,0.6);
+  background: rgba(255,255,255,0.55);
+  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.10);
+  font-weight: 800;
+  font-size: 12px;
+}
+
+.bb-pillDot {
+  width: 10px;
+  height: 10px;
+  border-radius: 999px;
+  background: linear-gradient(135deg, var(--bb-primary), var(--bb-cta));
+  box-shadow: 0 10px 24px rgba(13, 148, 136, 0.18);
+}
+
+.bb-heroTitle {
+  margin: 12px 0 8px;
+  font-family: var(--bb-font-heading);
+  font-size: 34px;
+  line-height: 1.05;
+  letter-spacing: -0.03em;
+}
+
+@media (min-width: 960px) {
+  .bb-heroTitle { font-size: 44px; }
+}
+
+.bb-heroSub {
+  margin: 0;
+  font-size: 14px;
+  color: rgba(19, 78, 74, 0.78);
+}
+
+.bb-heroCtaRow {
+  display: flex;
+  gap: 10px;
+  align-items: center;
+  flex-wrap: wrap;
+  margin-top: 14px;
+}
+
+.bb-ctaPrimary {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: 12px 16px;
+  border-radius: 18px;
+  color: white;
+  text-decoration: none;
+  font-weight: 900;
+  border: 1px solid rgba(255,255,255,0.25);
+  background: linear-gradient(135deg, var(--bb-primary), var(--bb-cta));
+  box-shadow: 0 18px 45px rgba(13, 148, 136, 0.20);
+}
+
+.bb-ctaGhost {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: 12px 16px;
+  border-radius: 18px;
+  color: var(--bb-text);
+  text-decoration: none;
+  font-weight: 900;
+  border: 1px solid rgba(255,255,255,0.55);
+  background: rgba(255,255,255,0.45);
+}
+
+.bb-miniStats {
+  margin-top: 14px;
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: 10px;
+}
+
+@media (min-width: 768px) {
+  .bb-miniStats { grid-template-columns: repeat(3, 1fr); }
+}
+
+.bb-miniStat {
+  border-radius: 18px;
+  border: 1px solid rgba(255,255,255,0.6);
+  background: rgba(255,255,255,0.45);
+  padding: 12px;
+  box-shadow: 0 14px 40px rgba(19, 78, 74, 0.10);
+}
+
+.bb-miniStat .k { font-weight: 900; font-size: 12px; }
+.bb-miniStat .v { margin-top: 6px; font-size: 12px; color: rgba(19,78,74,0.72); }
+
+.bb-clayCard {
+  border-radius: 22px;
+  border: 2px solid rgba(255,255,255,0.78);
+  background: var(--bb-clay);
+  box-shadow: var(--bb-shadow-clay);
+  padding: 14px;
+}
+
+.bb-statRow {
+  margin-top: 14px;
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 10px;
+}
+
+.bb-stat {
+  border-radius: 18px;
+  border: 2px solid rgba(255,255,255,0.72);
+  background: rgba(255,255,255,0.48);
+  padding: 12px;
+  box-shadow: 0 16px 44px rgba(19, 78, 74, 0.12);
+}
+
+.bb-stat .n {
+  font-family: var(--bb-font-heading);
+  font-size: 20px;
+  letter-spacing: -0.02em;
+  font-weight: 800;
+}
+
+.bb-stat .t {
+  margin-top: 4px;
+  font-size: 12px;
+  font-weight: 800;
+  color: rgba(19, 78, 74, 0.72);
+}
+
+.bb-cardTitle { font-weight: 950; letter-spacing: -0.02em; }
+.bb-cardSub { margin-top: 6px; font-size: 12px; color: rgba(19,78,74,0.72); }
+
+.bb-tag {
+  display: inline-flex;
+  align-items: center;
+  padding: 6px 10px;
+  border-radius: 999px;
+  font-weight: 950;
+  font-size: 11px;
+  background: rgba(124, 58, 237, 0.14);
+  border: 1px solid rgba(124, 58, 237, 0.28);
+  width: fit-content;
+}
+.bb-tag2 { background: rgba(34, 197, 94, 0.14); border-color: rgba(34, 197, 94, 0.28); }
+.bb-tag3 { background: rgba(251, 113, 133, 0.14); border-color: rgba(251, 113, 133, 0.28); }
+
+.bb-bullets { margin: 10px 0 0; padding-left: 18px; }
+.bb-bullets li { margin: 6px 0; font-weight: 700; color: rgba(19,78,74,0.78); }
+
+.bb-section { margin-top: 18px; }
+.bb-sectionHeader h2 { margin: 0; font-size: 18px; letter-spacing: -0.02em; font-family: var(--bb-font-heading); }
+.bb-grid3 {
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: 12px;
+  margin-top: 12px;
+}
+@media (min-width: 960px) {
+  .bb-grid3 { grid-template-columns: repeat(3, 1fr); }
+}
+
+.bb-courseGrid {
+  margin-top: 12px;
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: 12px;
+}
+
+@media (min-width: 720px) {
+  .bb-courseGrid { grid-template-columns: 1fr 1fr; }
+}
+
+@media (min-width: 1100px) {
+  .bb-courseGrid { grid-template-columns: repeat(4, 1fr); }
+}
+
+.bb-courseCard {
+  border-radius: 22px;
+  border: 2px solid rgba(255,255,255,0.78);
+  background: var(--bb-clay);
+  box-shadow: var(--bb-shadow-clay);
+  padding: 14px;
+  display: grid;
+  gap: 10px;
+}
+
+.bb-courseTitle {
+  font-weight: 950;
+  letter-spacing: -0.02em;
+}
+
+.bb-courseBy {
+  margin-top: 6px;
+  font-size: 12px;
+  font-weight: 900;
+  color: rgba(19, 78, 74, 0.72);
+}
+
+.bb-courseMeta {
+  font-size: 12px;
+  color: rgba(19, 78, 74, 0.78);
+  font-weight: 800;
+}
+
+.bb-courseCtaRow {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 10px;
+}
+
+.bb-courseCtaRow .bb-btn {
+  width: 100%;
+  display: inline-flex;
+  justify-content: center;
+}
+
+.bb-centerRow {
+  display: flex;
+  justify-content: center;
+}
+
+.bb-featureCard {
+  display: grid;
+  gap: 8px;
+}
+
+.bb-iconBubble {
+  width: 42px;
+  height: 42px;
+  border-radius: 16px;
+  display: grid;
+  place-items: center;
+  color: var(--bb-text);
+  border: 2px solid rgba(255,255,255,0.78);
+  background: rgba(255,255,255,0.55);
+  box-shadow: 0 14px 40px rgba(19, 78, 74, 0.12);
+}
+
+.bb-progressDemo .bb-tip { margin-top: 10px; font-size: 12px; color: rgba(19,78,74,0.72); }
+.bb-progressItem { margin-top: 10px; }
+.bb-progressItem .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-weight: 800; font-size: 12px; }
+.bb-progressItem .pct { font-weight: 950; }
+.bb-progressItem .bar { margin-top: 8px; height: 12px; border-radius: 999px; background: rgba(15,23,42,0.08); overflow: hidden; border: 1px solid rgba(255,255,255,0.55); }
+.bb-progressItem .fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--bb-primary), var(--bb-cta)); }
+.bb-progressItem .fill2 { background: linear-gradient(90deg, #22c55e, #06b6d4); }
+.bb-progressItem .fill3 { background: linear-gradient(90deg, #fb7185, #f59e0b); }
+
+.bb-quote { font-weight: 800; line-height: 1.35; }
+.bb-quoteBy { margin-top: 10px; font-size: 12px; color: rgba(15,23,42,0.72); font-weight: 900; }
+
+.bb-story { position: relative; }
+
+.bb-stars {
+  display: flex;
+  gap: 3px;
+  color: rgba(234, 179, 8, 0.95);
+  font-weight: 900;
+}
+
+.bb-star {
+  width: 16px;
+  height: 16px;
+}
+
+.bb-ctaBand {
+  margin-top: 18px;
+  border-radius: 24px;
+  border: 1px solid rgba(255,255,255,0.6);
+  background: linear-gradient(135deg, rgba(13, 148, 136, 0.22), rgba(45, 212, 191, 0.18), rgba(234, 88, 12, 0.16));
+  padding: 14px;
+  box-shadow: 0 24px 80px rgba(19, 78, 74, 0.14);
+}
+
+.bb-ctaBandInner {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  flex-wrap: wrap;
+}
+
+.bb-ctaBandTitle { font-weight: 950; letter-spacing: -0.02em; }
+.bb-ctaBandSub { margin-top: 4px; font-size: 12px; color: rgba(15,23,42,0.78); }
+
+.bb-ctaBandHint {
+  margin-top: 8px;
+  font-size: 12px;
+  font-weight: 900;
+  color: rgba(19, 78, 74, 0.78);
+}
+
+.bb-ctaBandActions {
+  display: flex;
+  gap: 10px;
+  align-items: center;
+  flex-wrap: wrap;
+}
+
+/* Footer (educational platform style) */
+.bb-footer {
+  margin-top: 18px;
+  padding: 18px 0 28px;
+}
+
+.bb-footerInner {
+  border-radius: 24px;
+  border: 2px solid rgba(255,255,255,0.68);
+  background: rgba(255,255,255,0.55);
+  backdrop-filter: blur(14px);
+  box-shadow: 0 24px 80px rgba(19, 78, 74, 0.14);
+  padding: 16px;
+}
+
+.bb-footerBrand {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.bb-footerLogo {
+  width: 42px;
+  height: 42px;
+  border-radius: 16px;
+  display: grid;
+  place-items: center;
+  font-family: var(--bb-font-heading);
+  font-weight: 800;
+  border: 2px solid rgba(255,255,255,0.78);
+  background: var(--bb-clay);
+  box-shadow: var(--bb-shadow-clay);
+}
+
+.bb-footerTitle {
+  font-family: var(--bb-font-heading);
+  font-weight: 800;
+}
+
+.bb-footerCols {
+  margin-top: 14px;
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: 12px;
+}
+
+@media (min-width: 900px) {
+  .bb-footerCols { grid-template-columns: repeat(3, 1fr); }
+}
+
+.bb-footerCol {
+  display: grid;
+  gap: 8px;
+}
+
+.bb-footerCol .h {
+  font-weight: 950;
+  color: rgba(19, 78, 74, 0.88);
+}
+
+.bb-footerCol a {
+  color: rgba(19, 78, 74, 0.78);
+  font-weight: 800;
+}
+
+.bb-footerCol a:hover {
+  color: var(--bb-cta);
+}
+
+.bb-footerBottom {
+  margin-top: 14px;
+  padding-top: 12px;
+  border-top: 1px solid rgba(19, 78, 74, 0.10);
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  flex-wrap: wrap;
+}
+
+.bb-footerSocial {
+  display: flex;
+  gap: 8px;
+}
+
+.bb-footerSocial .s {
+  width: 34px;
+  height: 34px;
+  border-radius: 14px;
+  display: grid;
+  place-items: center;
+  border: 2px solid rgba(255,255,255,0.72);
+  background: rgba(255,255,255,0.45);
+  color: rgba(19, 78, 74, 0.88);
+  font-weight: 950;
 }
 
 .bb-grid2 {
@@ -181,3 +735,125 @@ input:focus-visible {
     grid-template-columns: 1fr 1fr;
   }
 }
+
+/* --- Auth / segmented controls / subtle motion --- */
+.bb-auth {
+  max-width: 1100px;
+  padding-top: 22px;
+  padding-bottom: 28px;
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: 12px;
+}
+
+@media (min-width: 960px) {
+  .bb-auth {
+    grid-template-columns: 1.05fr 0.95fr;
+    align-items: start;
+  }
+}
+
+.bb-authCard {
+  position: relative;
+  overflow: hidden;
+}
+
+.bb-authCard::before,
+.bb-authCard::after {
+  content: "";
+  position: absolute;
+  width: 320px;
+  height: 320px;
+  border-radius: 999px;
+  filter: blur(22px);
+  opacity: 0.55;
+  pointer-events: none;
+}
+
+.bb-authCard::before {
+  background: radial-gradient(circle at 30% 30%, rgba(13,148,136,0.42), transparent 60%);
+  top: -160px;
+  left: -140px;
+}
+
+.bb-authCard::after {
+  background: radial-gradient(circle at 40% 40%, rgba(234,88,12,0.34), transparent 62%);
+  bottom: -170px;
+  right: -160px;
+}
+
+.bb-authHeader {
+  position: relative;
+  z-index: 1;
+}
+
+.bb-seg {
+  margin-top: 12px;
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 8px;
+  padding: 8px;
+  border-radius: 18px;
+  border: 1px solid rgba(255,255,255,0.65);
+  background: rgba(255,255,255,0.45);
+  backdrop-filter: blur(12px);
+  position: relative;
+  z-index: 1;
+}
+
+.bb-segBtn {
+  padding: 10px 12px;
+  border-radius: 14px;
+  border: 1px solid rgba(255,255,255,0.30);
+  background: rgba(255,255,255,0.38);
+  color: var(--bb-text);
+  font-weight: 950;
+  cursor: pointer;
+  transition: transform 120ms ease, filter 120ms ease, background 120ms ease;
+}
+
+.bb-segBtn:hover {
+  filter: brightness(1.03);
+}
+
+.bb-segBtn:active {
+  transform: translateY(1px);
+}
+
+.bb-segBtn.active {
+  background: linear-gradient(135deg, rgba(124,58,237,0.92), rgba(251,113,133,0.92));
+  color: white;
+  border-color: rgba(255,255,255,0.45);
+}
+
+.bb-field {
+  display: grid;
+  gap: 6px;
+}
+
+.bb-label {
+  font-size: 12px;
+  font-weight: 900;
+  color: rgba(15,23,42,0.78);
+}
+
+.bb-authAside {
+  box-shadow: 0 18px 55px rgba(15, 23, 42, 0.10);
+}
+
+.bb-authBadges {
+  display: flex;
+  gap: 8px;
+  flex-wrap: wrap;
+  margin-top: 10px;
+}
+
+@keyframes bb-float {
+  0% { transform: translate3d(0, 0, 0); }
+  50% { transform: translate3d(0, -8px, 0); }
+  100% { transform: translate3d(0, 0, 0); }
+}
+
+.bb-card--interactive:hover {
+  animation: bb-float 2.8s ease-in-out infinite;
+}
diff --git a/package-lock.json b/package-lock.json
index fa93483..134e4f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,10 +19,13 @@
     "apps/extension": {
       "version": "0.0.0",
       "dependencies": {
-        "vue": "^3.5.24"
+        "@browser-bookmark/shared": "0.1.0",
+        "vue": "^3.5.24",
+        "vue-router": "^4.5.1"
       },
       "devDependencies": {
         "@vitejs/plugin-vue": "^6.0.1",
+        "eslint": "^9.17.0",
         "vite": "^7.2.4"
       }
     },
diff --git a/packages/shared/src/package.json b/packages/shared/src/package.json
index 352055c..e986b24 100644
--- a/packages/shared/src/package.json
+++ b/packages/shared/src/package.json
@@ -1,3 +1,4 @@
 {
-  "private": true
+  "private": true,
+  "type": "module"
 }
