From d10bf42c2632f1aacb905bc01b36274e9004cbd9 Mon Sep 17 00:00:00 2001
From: Kia King Ishii <kia.king.08@gmail.com>
Date: Sun, 31 Dec 2023 02:33:13 +0900
Subject: [PATCH] feat(theme): new design for local nav and global header
 (#3359)

Co-authored-by: Divyansh Singh <40380293+brc-dd@users.noreply.github.com>
---
 src/client/theme-default/components/VPDoc.vue |  18 +--
 .../components/VPDocAsideOutline.vue          |   5 +-
 .../components/VPDocOutlineDropdown.vue       |  85 ------------
 .../components/VPDocOutlineItem.vue           |   8 +-
 .../theme-default/components/VPLocalNav.vue   |  88 ++++++++----
 .../components/VPLocalNavOutlineDropdown.vue  |  53 ++++++--
 .../theme-default/components/VPNavBar.vue     | 127 +++++++++++-------
 .../theme-default/components/VPSidebar.vue    |   1 -
 .../theme-default/composables/local-nav.ts    |  24 ++++
 .../theme-default/composables/outline.ts      |   2 +-
 src/client/theme-default/styles/vars.css      |   6 +
 src/client/theme-default/without-fonts.ts     |   1 +
 src/node/config.ts                            |   2 +-
 theme.d.ts                                    |   1 +
 types/default-theme.d.ts                      |  19 +++
 15 files changed, 244 insertions(+), 196 deletions(-)
 delete mode 100644 src/client/theme-default/components/VPDocOutlineDropdown.vue
 create mode 100644 src/client/theme-default/composables/local-nav.ts

diff --git a/src/client/theme-default/components/VPDoc.vue b/src/client/theme-default/components/VPDoc.vue
index ab0b9121..af54aa70 100644
--- a/src/client/theme-default/components/VPDoc.vue
+++ b/src/client/theme-default/components/VPDoc.vue
@@ -5,7 +5,6 @@ import { useData } from '../composables/data'
 import { useSidebar } from '../composables/sidebar'
 import VPDocAside from './VPDocAside.vue'
 import VPDocFooter from './VPDocFooter.vue'
-import VPDocOutlineDropdown from './VPDocOutlineDropdown.vue'
 
 const { theme } = useData()
 
@@ -43,7 +42,6 @@ const pageName = computed(() =>
       <div class="content">
         <div class="content-container">
           <slot name="doc-before" />
-          <VPDocOutlineDropdown />
           <main class="main">
             <Content
               class="vp-doc"
@@ -70,16 +68,6 @@ const pageName = computed(() =>
   width: 100%;
 }
 
-.VPDoc .VPDocOutlineDropdown {
-  display: none;
-}
-
-@media (min-width: 960px) and (max-width: 1279px) {
-  .VPDoc .VPDocOutlineDropdown {
-    display: block;
-  }
-}
-
 @media (min-width: 768px) {
   .VPDoc {
     padding: 48px 32px 128px;
@@ -88,7 +76,7 @@ const pageName = computed(() =>
 
 @media (min-width: 960px) {
   .VPDoc {
-    padding: 32px 32px 0;
+    padding: 48px 32px 0;
   }
 
   .VPDoc:not(.has-sidebar) .container {
@@ -147,7 +135,7 @@ const pageName = computed(() =>
 .aside-container {
   position: fixed;
   top: 0;
-  padding-top: calc(var(--vp-nav-height) + var(--vp-layout-top-height, 0px) + var(--vp-doc-top-height, 0px) + 32px);
+  padding-top: calc(var(--vp-nav-height) + var(--vp-layout-top-height, 0px) + var(--vp-doc-top-height, 0px) + 48px);
   width: 224px;
   height: 100vh;
   overflow-x: hidden;
@@ -171,7 +159,7 @@ const pageName = computed(() =>
 .aside-content {
   display: flex;
   flex-direction: column;
-  min-height: calc(100vh - (var(--vp-nav-height) + var(--vp-layout-top-height, 0px) + 32px));
+  min-height: calc(100vh - (var(--vp-nav-height) + var(--vp-layout-top-height, 0px) + 48px));
   padding-bottom: 32px;
 }
 
diff --git a/src/client/theme-default/components/VPDocAsideOutline.vue b/src/client/theme-default/components/VPDocAsideOutline.vue
index f7b6dade..7c22fda1 100644
--- a/src/client/theme-default/components/VPDocAsideOutline.vue
+++ b/src/client/theme-default/components/VPDocAsideOutline.vue
@@ -80,9 +80,8 @@ useActiveAnchor(container, marker)
 }
 
 .outline-title {
-  letter-spacing: 0.4px;
-  line-height: 28px;
-  font-size: 13px;
+  line-height: 32px;
+  font-size: 14px;
   font-weight: 600;
 }
 </style>
diff --git a/src/client/theme-default/components/VPDocOutlineDropdown.vue b/src/client/theme-default/components/VPDocOutlineDropdown.vue
deleted file mode 100644
index e6009402..00000000
--- a/src/client/theme-default/components/VPDocOutlineDropdown.vue
+++ /dev/null
@@ -1,85 +0,0 @@
-<script setup lang="ts">
-import { ref, shallowRef } from 'vue'
-import { useData } from '../composables/data'
-import { getHeaders, resolveTitle, type MenuItem } from '../composables/outline'
-import VPDocOutlineItem from './VPDocOutlineItem.vue'
-import { onContentUpdated } from 'vitepress'
-import VPIconChevronRight from './icons/VPIconChevronRight.vue'
-
-const { frontmatter, theme } = useData()
-const open = ref(false)
-
-onContentUpdated(() => {
-  open.value = false
-})
-
-const headers = shallowRef<MenuItem[]>([])
-
-onContentUpdated(() => {
-  headers.value = getHeaders(
-    frontmatter.value.outline ?? theme.value.outline
-  )
-})
-</script>
-
-<template>
-  <div class="VPDocOutlineDropdown" v-if="headers.length > 0">
-    <button @click="open = !open" :class="{ open }">
-      {{ resolveTitle(theme) }}
-      <VPIconChevronRight class="icon" />
-    </button>
-    <div class="items" v-if="open">
-      <VPDocOutlineItem :headers="headers" />
-    </div>
-  </div>
-</template>
-
-<style scoped>
-.VPDocOutlineDropdown {
-  margin-bottom: 48px;
-}
-
-.VPDocOutlineDropdown button {
-  display: block;
-  font-size: 14px;
-  font-weight: 500;
-  line-height: 24px;
-  border: 1px solid var(--vp-c-border);
-  padding: 4px 12px;
-  color: var(--vp-c-text-2);
-  background-color: var(--vp-c-default-soft);
-  border-radius: 8px;
-  transition: color 0.5s;
-}
-
-.VPDocOutlineDropdown button:hover {
-  color: var(--vp-c-text-1);
-  transition: color 0.25s;
-}
-
-.VPDocOutlineDropdown button.open {
-  color: var(--vp-c-text-1);
-}
-
-.icon {
-  display: inline-block;
-  vertical-align: middle;
-  width: 16px;
-  height: 16px;
-  fill: currentColor;
-}
-
-:deep(.outline-link) {
-  font-size: 14px;
-  font-weight: 400;
-}
-
-.open > .icon {
-  transform: rotate(90deg);
-}
-
-.items {
-  margin-top: 12px;
-  border-left: 1px solid var(--vp-c-divider);
-}
-</style>
diff --git a/src/client/theme-default/components/VPDocOutlineItem.vue b/src/client/theme-default/components/VPDocOutlineItem.vue
index 4ba55b99..89ea9710 100644
--- a/src/client/theme-default/components/VPDocOutlineItem.vue
+++ b/src/client/theme-default/components/VPDocOutlineItem.vue
@@ -14,7 +14,7 @@ function onClick({ target: el }: Event) {
 </script>
 
 <template>
-  <ul :class="root ? 'root' : 'nested'">
+  <ul class="VPDocOutlineItem" :class="root ? 'root' : 'nested'">
     <li v-for="{ children, link, title } in headers">
       <a class="outline-link" :href="link" @click="onClick" :title="title">{{ title }}</a>
       <template v-if="children?.length">
@@ -31,18 +31,20 @@ function onClick({ target: el }: Event) {
 }
 
 .nested {
+  padding-right: 16px;
   padding-left: 16px;
 }
 
 .outline-link {
   display: block;
-  line-height: 28px;
+  line-height: 32px;
+  font-size: 14px;
+  font-weight: 400;
   color: var(--vp-c-text-2);
   white-space: nowrap;
   overflow: hidden;
   text-overflow: ellipsis;
   transition: color 0.5s;
-  font-weight: 400;
 }
 
 .outline-link:hover,
diff --git a/src/client/theme-default/components/VPLocalNav.vue b/src/client/theme-default/components/VPLocalNav.vue
index 0ef64c18..5491b94c 100644
--- a/src/client/theme-default/components/VPLocalNav.vue
+++ b/src/client/theme-default/components/VPLocalNav.vue
@@ -1,9 +1,10 @@
 <script lang="ts" setup>
 import { useWindowScroll } from '@vueuse/core'
 import { onContentUpdated } from 'vitepress'
-import { computed, onMounted, ref, shallowRef } from 'vue'
+import { computed, onMounted, ref } from 'vue'
 import { useData } from '../composables/data'
-import { getHeaders, type MenuItem } from '../composables/outline'
+import { useLocalNav } from '../composables/local-nav'
+import { getHeaders } from '../composables/outline'
 import { useSidebar } from '../composables/sidebar'
 import VPLocalNavOutlineDropdown from './VPLocalNavOutlineDropdown.vue'
 import VPIconAlignLeft from './icons/VPIconAlignLeft.vue'
@@ -18,9 +19,9 @@ defineEmits<{
 
 const { theme, frontmatter } = useData()
 const { hasSidebar } = useSidebar()
+const { headers } = useLocalNav()
 const { y } = useWindowScroll()
 
-const headers = shallowRef<MenuItem[]>([])
 const navHeight = ref(0)
 
 onMounted(() => {
@@ -36,37 +37,44 @@ onContentUpdated(() => {
 })
 
 const empty = computed(() => {
-  return headers.value.length === 0 && !hasSidebar.value
+  return headers.value.length === 0
+})
+
+const emptyAndNoSidebar = computed(() => {
+  return empty.value && !hasSidebar.value
 })
 
 const classes = computed(() => {
   return {
     VPLocalNav: true,
-    fixed: empty.value,
-    'reached-top': y.value >= navHeight.value
+    'has-sidebar': hasSidebar.value,
+    empty: empty.value,
+    fixed: emptyAndNoSidebar.value
   }
 })
 </script>
 
 <template>
   <div
-    v-if="frontmatter.layout !== 'home' && (!empty || y >= navHeight)"
+    v-if="frontmatter.layout !== 'home' && (!emptyAndNoSidebar || y >= navHeight)"
     :class="classes"
   >
-    <button
-      v-if="hasSidebar"
-      class="menu"
-      :aria-expanded="open"
-      aria-controls="VPSidebarNav"
-      @click="$emit('open-menu')"
-    >
-      <VPIconAlignLeft class="menu-icon" />
-      <span class="menu-text">
-        {{ theme.sidebarMenuLabel || 'Menu' }}
-      </span>
-    </button>
-
-    <VPLocalNavOutlineDropdown :headers="headers" :navHeight="navHeight" />
+    <div class="container">
+      <button
+        v-if="hasSidebar"
+        class="menu"
+        :aria-expanded="open"
+        aria-controls="VPSidebarNav"
+        @click="$emit('open-menu')"
+      >
+        <VPIconAlignLeft class="menu-icon" />
+        <span class="menu-text">
+          {{ theme.sidebarMenuLabel || 'Menu' }}
+        </span>
+      </button>
+
+      <VPLocalNavOutlineDropdown :headers="headers" :navHeight="navHeight" />
+    </div>
   </div>
 </template>
 
@@ -77,10 +85,6 @@ const classes = computed(() => {
   /*rtl:ignore*/
   left: 0;
   z-index: var(--vp-z-index-local-nav);
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  border-top: 1px solid var(--vp-c-gutter);
   border-bottom: 1px solid var(--vp-c-gutter);
   padding-top: var(--vp-layout-top-height, 0px);
   width: 100%;
@@ -91,16 +95,38 @@ const classes = computed(() => {
   position: fixed;
 }
 
-.VPLocalNav.reached-top {
-  border-top-color: transparent;
+@media (min-width: 960px) {
+  .VPLocalNav {
+    top: var(--vp-nav-height);
+  }
+
+  .VPLocalNav.has-sidebar {
+    padding-left: var(--vp-sidebar-width);
+  }
+
+  .VPLocalNav.empty {
+    display: none;
+  }
 }
 
-@media (min-width: 960px) {
+@media (min-width: 1280px) {
   .VPLocalNav {
     display: none;
   }
 }
 
+@media (min-width: 1440px) {
+  .VPLocalNav.has-sidebar {
+    padding-left: calc((100vw - var(--vp-layout-max-width)) / 2 + var(--vp-sidebar-width));
+  }
+}
+
+.container {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
 .menu {
   display: flex;
   align-items: center;
@@ -123,6 +149,12 @@ const classes = computed(() => {
   }
 }
 
+@media (min-width: 960px) {
+  .menu {
+    display: none;
+  }
+}
+
 .menu-icon {
   margin-right: 8px;
   width: 16px;
diff --git a/src/client/theme-default/components/VPLocalNavOutlineDropdown.vue b/src/client/theme-default/components/VPLocalNavOutlineDropdown.vue
index d31e9f3f..2e8e310e 100644
--- a/src/client/theme-default/components/VPLocalNavOutlineDropdown.vue
+++ b/src/client/theme-default/components/VPLocalNavOutlineDropdown.vue
@@ -1,4 +1,5 @@
 <script setup lang="ts">
+import { onClickOutside, onKeyStroke } from '@vueuse/core'
 import { onContentUpdated } from 'vitepress'
 import { nextTick, ref } from 'vue'
 import { useData } from '../composables/data'
@@ -14,8 +15,17 @@ const props = defineProps<{
 const { theme } = useData()
 const open = ref(false)
 const vh = ref(0)
+const main = ref<HTMLDivElement>()
 const items = ref<HTMLDivElement>()
 
+onClickOutside(main, () => {
+  open.value = false
+})
+
+onKeyStroke('Escape', () => {
+  open.value = false
+})
+
 onContentUpdated(() => {
   open.value = false
 })
@@ -44,7 +54,11 @@ function scrollToTop() {
 </script>
 
 <template>
-  <div class="VPLocalNavOutlineDropdown" :style="{ '--vp-vh': vh + 'px' }">
+  <div
+    class="VPLocalNavOutlineDropdown"
+    :style="{ '--vp-vh': vh + 'px' }"
+    ref="main"
+  >
     <button @click="toggle" :class="{ open }" v-if="headers.length > 0">
       {{ resolveTitle(theme) }}
       <VPIconChevronRight class="icon" />
@@ -53,11 +67,7 @@ function scrollToTop() {
       {{ theme.returnToTopLabel || 'Return to top' }}
     </button>
     <Transition name="flyout">
-      <div v-if="open"
-        ref="items"
-        class="items"
-        @click="onItemClick"
-      >
+      <div v-if="open" ref="items" class="items" @click="onItemClick">
         <div class="header">
           <a class="top-link" href="#" @click="scrollToTop">
             {{ theme.returnToTopLabel || 'Return to top' }}
@@ -76,6 +86,12 @@ function scrollToTop() {
   padding: 12px 20px 11px;
 }
 
+@media (min-width: 960px) {
+  .VPLocalNavOutlineDropdown {
+    padding: 12px 36px 11px;
+  }
+}
+
 .VPLocalNavOutlineDropdown button {
   display: block;
   font-size: 12px;
@@ -95,6 +111,12 @@ function scrollToTop() {
   color: var(--vp-c-text-1);
 }
 
+@media (min-width: 960px) {
+  .VPLocalNavOutlineDropdown button {
+    font-size: 14px;
+  }
+}
+
 .icon {
   display: inline-block;
   vertical-align: middle;
@@ -104,18 +126,13 @@ function scrollToTop() {
   fill: currentColor;
 }
 
-:deep(.outline-link) {
-  font-size: 14px;
-  padding: 2px 0;
-}
-
 .open > .icon {
   transform: rotate(90deg);
 }
 
 .items {
   position: absolute;
-  top: 64px;
+  top: 40px;
   right: 16px;
   left: 16px;
   display: grid;
@@ -128,6 +145,14 @@ function scrollToTop() {
   box-shadow: var(--vp-shadow-3);
 }
 
+@media (min-width: 960px) {
+  .items {
+    right: auto;
+    left: calc(var(--vp-sidebar-width) + 32px);
+    width: 320px;
+  }
+}
+
 .header {
   background-color: var(--vp-c-bg-soft);
 }
@@ -147,11 +172,11 @@ function scrollToTop() {
 }
 
 .flyout-enter-active {
-  transition: all .2s ease-out;
+  transition: all 0.2s ease-out;
 }
 
 .flyout-leave-active {
-  transition: all .15s ease-in;
+  transition: all 0.15s ease-in;
 }
 
 .flyout-enter-from,
diff --git a/src/client/theme-default/components/VPNavBar.vue b/src/client/theme-default/components/VPNavBar.vue
index c63ceda8..ce18f4a3 100644
--- a/src/client/theme-default/components/VPNavBar.vue
+++ b/src/client/theme-default/components/VPNavBar.vue
@@ -2,6 +2,7 @@
 import { useWindowScroll } from '@vueuse/core'
 import { ref, watchPostEffect } from 'vue'
 import { useData } from '../composables/data'
+import { useLocalNav } from '../composables/local-nav'
 import { useSidebar } from '../composables/sidebar'
 import VPNavBarAppearance from './VPNavBarAppearance.vue'
 import VPNavBarExtra from './VPNavBarExtra.vue'
@@ -22,6 +23,7 @@ defineEmits<{
 
 const { y } = useWindowScroll()
 const { hasSidebar } = useSidebar()
+const { hasLocalNav } = useLocalNav()
 const { frontmatter } = useData()
 
 const classes = ref<Record<string, boolean>>({})
@@ -29,6 +31,7 @@ const classes = ref<Record<string, boolean>>({})
 watchPostEffect(() => {
   classes.value = {
     'has-sidebar': hasSidebar.value,
+    'has-local-nav': hasLocalNav.value,
     top: frontmatter.value.layout === 'home' && y.value === 0,
   }
 })
@@ -36,59 +39,76 @@ watchPostEffect(() => {
 
 <template>
   <div class="VPNavBar" :class="classes">
-    <div class="container">
-      <div class="title">
-        <VPNavBarTitle>
-          <template #nav-bar-title-before><slot name="nav-bar-title-before" /></template>
-          <template #nav-bar-title-after><slot name="nav-bar-title-after" /></template>
-        </VPNavBarTitle>
-      </div>
+    <div class="wrapper">
+      <div class="container">
+        <div class="title">
+          <VPNavBarTitle>
+            <template #nav-bar-title-before><slot name="nav-bar-title-before" /></template>
+            <template #nav-bar-title-after><slot name="nav-bar-title-after" /></template>
+          </VPNavBarTitle>
+        </div>
 
-      <div class="content">
-        <div class="curtain" />
-        <div class="content-body">
-          <slot name="nav-bar-content-before" />
-          <VPNavBarSearch class="search" />
-          <VPNavBarMenu class="menu" />
-          <VPNavBarTranslations class="translations" />
-          <VPNavBarAppearance class="appearance" />
-          <VPNavBarSocialLinks class="social-links" />
-          <VPNavBarExtra class="extra" />
-          <slot name="nav-bar-content-after" />
-          <VPNavBarHamburger class="hamburger" :active="isScreenOpen" @click="$emit('toggle-screen')" />
+        <div class="content">
+          <div class="content-body">
+            <slot name="nav-bar-content-before" />
+            <VPNavBarSearch class="search" />
+            <VPNavBarMenu class="menu" />
+            <VPNavBarTranslations class="translations" />
+            <VPNavBarAppearance class="appearance" />
+            <VPNavBarSocialLinks class="social-links" />
+            <VPNavBarExtra class="extra" />
+            <slot name="nav-bar-content-after" />
+            <VPNavBarHamburger class="hamburger" :active="isScreenOpen" @click="$emit('toggle-screen')" />
+          </div>
         </div>
       </div>
     </div>
+
+    <div class="divider">
+      <div class="divider-line" />
+    </div>
   </div>
 </template>
 
 <style scoped>
 .VPNavBar {
   position: relative;
-  border-bottom: 1px solid transparent;
-  padding: 0 8px 0 24px;
   height: var(--vp-nav-height);
   pointer-events: none;
   white-space: nowrap;
+  transition: background-color 0.5s;
 }
 
-@media (min-width: 768px) {
-  .VPNavBar {
-    padding: 0 32px;
-  }
+.VPNavBar.has-local-nav {
+  background-color: var(--vp-nav-bg-color);
 }
 
 @media (min-width: 960px) {
-  .VPNavBar.has-sidebar {
-    padding: 0;
+  .VPNavBar.has-local-nav {
+    background-color: transparent;
   }
 
   .VPNavBar:not(.has-sidebar):not(.top) {
-    border-bottom-color: var(--vp-c-gutter);
     background-color: var(--vp-nav-bg-color);
   }
 }
 
+.wrapper {
+  padding: 0 8px 0 24px;
+}
+
+@media (min-width: 768px) {
+  .wrapper {
+    padding: 0 32px;
+  }
+}
+
+@media (min-width: 960px) {
+  .VPNavBar.has-sidebar .wrapper {
+    padding: 0;
+  }
+}
+
 .container {
   display: flex;
   justify-content: space-between;
@@ -163,15 +183,19 @@ watchPostEffect(() => {
   display: flex;
   justify-content: flex-end;
   align-items: center;
-  height: calc(var(--vp-nav-height) - 1px);
+  height: var(--vp-nav-height);
   transition: background-color 0.5s;
 }
 
 @media (min-width: 960px) {
-  .VPNavBar:not(.top) .content-body{
+  .VPNavBar:not(.top) .content-body {
     position: relative;
     background-color: var(--vp-nav-bg-color);
   }
+
+  .VPNavBar:not(.has-sidebar):not(.top) .content-body {
+    background-color: transparent;
+  }
 }
 
 @media (max-width: 767px) {
@@ -206,27 +230,40 @@ watchPostEffect(() => {
   margin-right: -8px;
 }
 
+.divider {
+  width: 100%;
+  height: 1px;
+}
+
 @media (min-width: 960px) {
-  .VPNavBar.has-sidebar .curtain {
-    position: absolute;
-    right: 0;
-    bottom: -31px;
-    width: calc(100% - var(--vp-sidebar-width));
-    height: 32px;
+  .VPNavBar.has-sidebar .divider {
+    padding-left: var(--vp-sidebar-width);
   }
+}
 
-  .VPNavBar.has-sidebar .curtain::before {
-    display: block;
-    width: 100%;
-    height: 32px;
-    background: linear-gradient(var(--vp-c-bg), transparent 70%);
-    content: "";
+@media (min-width: 1440px) {
+  .VPNavBar.has-sidebar .divider {
+    padding-left: calc((100vw - var(--vp-layout-max-width)) / 2 + var(--vp-sidebar-width));
   }
 }
 
-@media (min-width: 1440px) {
-  .VPNavBar.has-sidebar .curtain {
-    width: calc(100% - ((100vw - var(--vp-layout-max-width)) / 2 + var(--vp-sidebar-width)));
+.divider-line {
+  width: 100%;
+  height: 1px;
+  transition: background-color 0.5s;
+}
+
+.VPNavBar.has-local-nav .divider-line {
+  background-color: var(--vp-c-gutter);
+}
+
+@media (min-width: 960px) { 
+  .VPNavBar:not(.top) .divider-line {
+    background-color: var(--vp-c-gutter);
+  }
+
+  .VPNavBar:not(.has-sidebar):not(.top) .divider {
+    background-color: var(--vp-c-gutter);
   }
 }
 </style>
diff --git a/src/client/theme-default/components/VPSidebar.vue b/src/client/theme-default/components/VPSidebar.vue
index 62b6f5c8..d6c73219 100644
--- a/src/client/theme-default/components/VPSidebar.vue
+++ b/src/client/theme-default/components/VPSidebar.vue
@@ -87,7 +87,6 @@ watch(
 
 @media (min-width: 960px) {
   .VPSidebar {
-    z-index: 1;
     padding-top: var(--vp-nav-height);
     width: var(--vp-sidebar-width);
     max-width: 100%;
diff --git a/src/client/theme-default/composables/local-nav.ts b/src/client/theme-default/composables/local-nav.ts
new file mode 100644
index 00000000..dc49ed42
--- /dev/null
+++ b/src/client/theme-default/composables/local-nav.ts
@@ -0,0 +1,24 @@
+import { onContentUpdated } from 'vitepress'
+import { type DefaultTheme } from 'vitepress/theme'
+import { computed, shallowRef } from 'vue'
+import { getHeaders, type MenuItem } from '../composables/outline'
+import { useData } from './data'
+
+export function useLocalNav(): DefaultTheme.DocLocalNav {
+  const { theme, frontmatter } = useData()
+
+  const headers = shallowRef<MenuItem[]>([])
+
+  const hasLocalNav = computed(() => {
+    return headers.value.length > 0
+  })
+
+  onContentUpdated(() => {
+    headers.value = getHeaders(frontmatter.value.outline ?? theme.value.outline)
+  })
+
+  return {
+    headers,
+    hasLocalNav
+  }
+}
diff --git a/src/client/theme-default/composables/outline.ts b/src/client/theme-default/composables/outline.ts
index d44e5074..59ee7447 100644
--- a/src/client/theme-default/composables/outline.ts
+++ b/src/client/theme-default/composables/outline.ts
@@ -181,7 +181,7 @@ export function useActiveAnchor(
 
     if (activeLink) {
       activeLink.classList.add('active')
-      marker.value.style.top = activeLink.offsetTop + 33 + 'px'
+      marker.value.style.top = activeLink.offsetTop + 39 + 'px'
       marker.value.style.opacity = '1'
     } else {
       marker.value.style.top = '33px'
diff --git a/src/client/theme-default/styles/vars.css b/src/client/theme-default/styles/vars.css
index a6dfab62..cf5e2b91 100644
--- a/src/client/theme-default/styles/vars.css
+++ b/src/client/theme-default/styles/vars.css
@@ -264,6 +264,12 @@
   --vp-z-index-sidebar: 60;
 }
 
+@media (min-width: 960px) {
+  :root {
+    --vp-z-index-sidebar: 25;
+  }
+}
+
 /**
  * Icons
  * -------------------------------------------------------------------------- */
diff --git a/src/client/theme-default/without-fonts.ts b/src/client/theme-default/without-fonts.ts
index f44d7205..f53fb679 100644
--- a/src/client/theme-default/without-fonts.ts
+++ b/src/client/theme-default/without-fonts.ts
@@ -27,6 +27,7 @@ export { default as VPTeamPageSection } from './components/VPTeamPageSection.vue
 export { default as VPTeamMembers } from './components/VPTeamMembers.vue'
 
 export { useSidebar } from './composables/sidebar'
+export { useLocalNav } from './composables/local-nav'
 
 const theme: Theme = {
   Layout,
diff --git a/src/node/config.ts b/src/node/config.ts
index d4a76de6..6d1bbd49 100644
--- a/src/node/config.ts
+++ b/src/node/config.ts
@@ -252,7 +252,7 @@ export async function resolveSiteData(
     appearance: userConfig.appearance ?? true,
     themeConfig: userConfig.themeConfig || {},
     locales: userConfig.locales || {},
-    scrollOffset: userConfig.scrollOffset ?? 90,
+    scrollOffset: userConfig.scrollOffset ?? 134,
     cleanUrls: !!userConfig.cleanUrls,
     contentProps: userConfig.contentProps
   }
diff --git a/theme.d.ts b/theme.d.ts
index 446a9d65..476fe21a 100644
--- a/theme.d.ts
+++ b/theme.d.ts
@@ -13,6 +13,7 @@ declare const theme: {
 
 export default theme
 export declare const useSidebar: () => DefaultTheme.DocSidebar
+export declare const useLocalNav: () => DefaultTheme.DocLocalNav
 
 // TODO: add props for these
 export declare const VPButton: DefineComponent
diff --git a/types/default-theme.d.ts b/types/default-theme.d.ts
index 157faa00..c3c19b63 100644
--- a/types/default-theme.d.ts
+++ b/types/default-theme.d.ts
@@ -358,6 +358,25 @@ export namespace DefaultTheme {
     actionText?: string
   }
 
+  // local nav -----------------------------------------------------------------
+
+  /**
+   * ReturnType of `useLocalNav`.
+   */
+  export interface DocLocalNav {
+    /**
+     * The outline headers of the current page.
+     */
+    headers: ShallowRef<MenuItem[]>
+
+    /**
+     * Whether the current page has a local nav. Local nav is shown when the
+     * "outline" is present in the page. However, note that the actual
+     * local nav visibility depends on the screen width as well.
+     */
+    hasLocalNav: ComputedRef<boolean>
+  }
+
   // outline -------------------------------------------------------------------
 
   export interface Outline {