diff --git a/frontend/src/components/IconPickerDialog.vue b/frontend/src/components/IconPickerDialog.vue
index 98545e18..626b2d16 100644
--- a/frontend/src/components/IconPickerDialog.vue
+++ b/frontend/src/components/IconPickerDialog.vue
@@ -1,6 +1,11 @@
 <template>
   <w-card class="icon-picker" flat style="width: 460px">
-    <w-tabs class="text-primary" v-model="state.currentTab" no-caps inline-label>
+    <!-- -> `primary` is a mid-tone for white; on the dark card the tabs need the lightened mix -->
+    <w-tabs
+      class="text-primary dark:text-primary-light"
+      v-model="state.currentTab"
+      no-caps
+      inline-label>
       <w-tab name="icon" icon="la:icons" :label="t(`iconPicker.icons`)" />
       <w-tab name="image" icon="la:image" :label="t(`iconPicker.image`)" />
     </w-tabs>
@@ -13,11 +18,11 @@
         <div class="flex flex-wrap gap-2">
           <div class="min-w-0 flex-1">
             <w-input
+              ref="iptSearch"
               v-model="state.query"
               outlined
               dense
               clearable
-              autofocus
               :label="t(`iconPicker.search`)"
               :aria-label="t(`iconPicker.search`)"
               @update:model-value="queueSearch">
@@ -75,6 +80,7 @@
           but it is not something anyone should have to know to type.
         -->
         <w-input
+          ref="iptImage"
           class="mt-2"
           v-model="state.image"
           outlined
@@ -118,7 +124,7 @@
 
 <script setup>
 import { useI18n } from 'vue-i18n'
-import { computed, onMounted, reactive } from 'vue'
+import { computed, nextTick, onMounted, reactive, ref } from 'vue'
 
 import { notify } from '@/composables/notify'
 import { useDark } from '@/composables/dark'
@@ -164,6 +170,11 @@ const ICONIFY_REF = /^[a-z0-9-]+:[a-z0-9.-]+$/
 /** What marks a reference as an image rather than an icon, per WIcon. */
 const IMAGE_PREFIX = 'img:'
 
+// REFS
+
+const iptSearch = ref(null)
+const iptImage = ref(null)
+
 // COMPOSABLES
 
 const dark = useDark()
@@ -286,6 +297,16 @@ onMounted(async () => {
     state.selected = props.modelValue
     state.results = [props.modelValue]
   }
+
+  /*
+    Focus whichever field the picker just opened on -- the search box, or the image path when an
+    `img:` value brought us to that tab. Two ticks: the first renders the tab switch above, and the
+    field being focused only exists after the panel it lives in is the visible one.
+  */
+  await nextTick()
+  await nextTick()
+  ;(state.currentTab === 'image' ? iptImage : iptSearch).value?.focus()
+
   await loadSets()
 })
 </script>
diff --git a/frontend/src/components/PageHeader.vue b/frontend/src/components/PageHeader.vue
index 6f82e2b5..0bbcf963 100644
--- a/frontend/src/components/PageHeader.vue
+++ b/frontend/src/components/PageHeader.vue
@@ -6,11 +6,13 @@
         class="rounded"
         v-if="editorStore.isActive"
         padding="none"
-        size="37px"
+        size="64px"
         color="primary"
         flat
-        :aria-label="t(`editor.props.icon`)">
-        <w-icon :name="pageStore.icon" size="37px" />
+        :aria-label="t(`editor.props.icon`)"
+        style="min-height: 64px">
+        <!-- -> 64px, the size the icon has when the page is merely being read; see the branch below -->
+        <w-icon :name="pageStore.icon" size="64px" />
         <w-badge color="grey" floating rounded>
           <w-icon name="la:pen" size="xs" padding="xs xs" />
         </w-badge>
@@ -21,14 +23,14 @@
     <!-- PAGE HEADER -->
     <div class="min-w-0 flex-1 p-4">
       <div class="text-h4 page-header-title">
-        <span>{{pageStore.title}}</span>
+        <span>{{ pageStore.title }}</span>
         <template v-if="editorStore.isActive">
-          <span class="text-grey" v-if="!pageStore.title">{{ t(`editor.props.title`)}}</span>
+          <span class="text-grey" v-if="!pageStore.title">{{ t(`editor.props.title`) }}</span>
           <w-btn class="acrylic-btn ml-4" icon="la:pen" flat padding="xs" size="sm">
             <w-popup-edit v-model="pageStore.title" auto-save v-slot="scope">
               <w-input
                 outlined
-                style="width: 450px;"
+                style="width: 450px"
                 v-model="scope.value"
                 dense
                 autofocus
@@ -41,12 +43,14 @@
       <div class="text-subtitle2 page-header-subtitle">
         <span>{{ pageStore.description }}</span>
         <template v-if="editorStore.isActive">
-          <span class="text-grey" v-if="!pageStore.description">{{ t(`editor.props.shortDescription`)}}</span>
+          <span class="text-grey" v-if="!pageStore.description">{{
+            t(`editor.props.shortDescription`)
+          }}</span>
           <w-btn class="acrylic-btn ml-4" icon="la:pen" flat padding="none xs" size="xs">
             <w-popup-edit v-model="pageStore.description" auto-save v-slot="scope">
               <w-input
                 outlined
-                style="width: 450px;"
+                style="width: 450px"
                 v-model="scope.value"
                 dense
                 autofocus
@@ -132,8 +136,12 @@
           flat
           icon="la:times"
           color="negative"
-          :label="editorStore.hasPendingChanges ? t(`common.actions.discard`) : t(`common.actions.close`)"
-          :aria-label="editorStore.hasPendingChanges ? t(`common.actions.discard`) : t(`common.actions.close`)"
+          :label="
+            editorStore.hasPendingChanges ? t(`common.actions.discard`) : t(`common.actions.close`)
+          "
+          :aria-label="
+            editorStore.hasPendingChanges ? t(`common.actions.discard`) : t(`common.actions.close`)
+          "
           no-caps
           @click="discardChanges" />
         <w-btn
@@ -206,7 +214,6 @@ import { useUserStore } from '@/stores/user'
 import IconPickerDialog from '@/components/IconPickerDialog.vue'
 import SocialSharingMenu from '@/components/SocialSharingMenu.vue'
 
-
 // STORES
 
 const editorStore = useEditorStore()
diff --git a/frontend/src/components/shared/WInput.vue b/frontend/src/components/shared/WInput.vue
index 9277f6ce..391a3411 100644
--- a/frontend/src/components/shared/WInput.vue
+++ b/frontend/src/components/shared/WInput.vue
@@ -317,7 +317,10 @@ const floatColorClass = computed(() => {
   if (hasError.value) {
     return 'text-negative'
   }
-  return hasFocus.value ? 'text-primary' : 'text-black/60 dark:text-white/70'
+  // -> `primary` is picked to read on white; on a dark field it needs the lightened mix
+  return hasFocus.value
+    ? 'text-primary dark:text-primary-light'
+    : 'text-black/60 dark:text-white/70'
 })
 
 const controlClasses = computed(() => [
diff --git a/frontend/src/components/shared/WSelect.vue b/frontend/src/components/shared/WSelect.vue
index ad7cc3a4..d65fc327 100644
--- a/frontend/src/components/shared/WSelect.vue
+++ b/frontend/src/components/shared/WSelect.vue
@@ -672,7 +672,8 @@ const floatColorClass = computed(() => {
   if (errorMessage.value) {
     return 'text-negative'
   }
-  return isOpen.value ? 'text-primary' : 'text-black/60 dark:text-white/70'
+  // -> Lightened brand blue on a dark field, matching WInput
+  return isOpen.value ? 'text-primary dark:text-primary-light' : 'text-black/60 dark:text-white/70'
 })
 
 const controlClasses = computed(() => [
diff --git a/frontend/src/css/tailwind.css b/frontend/src/css/tailwind.css
index a3d2067f..66b71135 100644
--- a/frontend/src/css/tailwind.css
+++ b/frontend/src/css/tailwind.css
@@ -84,6 +84,13 @@
   --color-header: var(--q-header);
   --color-sidebar: var(--q-sidebar);
 
+  /*
+    The brand blue lightened for text on a dark surface: `primary` itself is a mid-tone picked to
+    read on white, and at #1976d2 on `dark-3` it lands around 2.7:1 -- too dim for a heading. Mixing
+    towards white rather than naming a palette blue keeps a re-themed site's own hue.
+  */
+  --color-primary-light: color-mix(in srgb, var(--color-primary) 60%, white);
+
   /*
     Restated here rather than inherited from Tailwind's default theme: the defaults live in a
     prunable block, and components resolve `var(--color-white)` at runtime where the scanner cannot
@@ -705,6 +712,7 @@
 
   body.body--dark .w-section-header {
     --w-section-header-surface: var(--color-dark-3);
+    color: var(--color-primary-light);
   }
 
   .w-unstyled {
diff --git a/frontend/src/layouts/ProfileLayout.vue b/frontend/src/layouts/ProfileLayout.vue
index 718c0ce5..6da62448 100644
--- a/frontend/src/layouts/ProfileLayout.vue
+++ b/frontend/src/layouts/ProfileLayout.vue
@@ -249,6 +249,16 @@ watch(
         iconify-icon {
           color: $primary;
         }
+
+        // -> Same lightened brand blue as the section headings; `$primary` is too dim on this surface
+        @at-root .body--dark & {
+          color: var(--color-primary-light);
+
+          .w-icon,
+          iconify-icon {
+            color: var(--color-primary-light);
+          }
+        }
       }
     }
   }
@@ -264,54 +274,6 @@ watch(
     }
   }
 
-  .section-header {
-    font-weight: 500;
-    font-size: 17px;
-    padding: 0 16px 6px 16px;
-    color: $primary;
-    position: relative;
-    background:
-      linear-gradient(to left, #fff, transparent),
-      linear-gradient(to top, rgba($primary, 0.075), transparent);
-    margin-bottom: 10px;
-
-    @at-root .body--dark & {
-      background:
-        linear-gradient(to left, $dark-3, transparent),
-        linear-gradient(to top, rgba($primary, 0.075), transparent);
-    }
-
-    &:before {
-      content: '';
-      width: 100%;
-      height: 10px;
-      background:
-        linear-gradient(to left, #fff, transparent),
-        linear-gradient(to bottom, rgba($primary, 0.05), transparent);
-      position: absolute;
-      bottom: -13px;
-      left: 0;
-      z-index: 0;
-
-      @at-root .body--dark & {
-        background:
-          linear-gradient(to left, $dark-3, transparent),
-          linear-gradient(to bottom, rgba($primary, 0.05), transparent);
-      }
-    }
-
-    &:after {
-      content: '';
-      width: 100%;
-      height: 1px;
-      background: linear-gradient(to left, transparent, rgba($primary, 0.25));
-      position: absolute;
-      bottom: -2px;
-      left: 0;
-      z-index: 0;
-    }
-  }
-
   .actions-bar {
     display: flex;
     padding: 16px;
diff --git a/frontend/src/pages/AdminDashboard.vue b/frontend/src/pages/AdminDashboard.vue
index ddef1849..2e7e7bc1 100644
--- a/frontend/src/pages/AdminDashboard.vue
+++ b/frontend/src/pages/AdminDashboard.vue
@@ -25,7 +25,7 @@
           <w-card-actions align="right">
             <w-btn
               flat
-              color="primary"
+              :color="actionColor"
               icon="la:plus-circle"
               :label="t(`common.actions.new`)"
               :disable="!userStore.can(`manage:sites`)"
@@ -33,7 +33,7 @@
             <w-separator vertical />
             <w-btn
               flat
-              color="primary"
+              :color="actionColor"
               icon="la:sitemap"
               :label="t(`common.actions.manage`)"
               :disable="!userStore.can(`manage:sites`)"
@@ -54,7 +54,7 @@
           <w-card-actions align="right">
             <w-btn
               flat
-              color="primary"
+              :color="actionColor"
               icon="la:plus-circle"
               :label="t(`common.actions.new`)"
               :disable="!userStore.can(`manage:users`)"
@@ -62,7 +62,7 @@
             <w-separator vertical />
             <w-btn
               flat
-              color="primary"
+              :color="actionColor"
               icon="la:users"
               :label="t(`common.actions.manage`)"
               :disable="!userStore.can(`manage:users`)"
@@ -83,7 +83,7 @@
           <w-card-actions align="right">
             <w-btn
               flat
-              color="primary"
+              :color="actionColor"
               icon="la:user-plus"
               :label="t(`common.actions.new`)"
               :disable="!userStore.can(`manage:users`)"
@@ -91,7 +91,7 @@
             <w-separator vertical />
             <w-btn
               flat
-              color="primary"
+              :color="actionColor"
               icon="la:user-friends"
               :label="t(`common.actions.manage`)"
               :disable="!userStore.can(`manage:users`)"
@@ -129,7 +129,7 @@
           <w-card-actions align="right">
             <w-btn
               flat
-              color="primary"
+              :color="actionColor"
               icon="la:chart-area"
               :label="t(`admin.analytics.title`)"
               :disable="!flagsStore.experimental"
@@ -166,9 +166,11 @@
 <script setup>
 import { useI18n } from 'vue-i18n'
 import { useRouter } from 'vue-router'
+import { computed } from 'vue'
 
 import { useMeta } from '@/composables/meta'
 import { dialog } from '@/composables/dialog'
+import { useDark } from '@/composables/dark'
 
 import { useFlagsStore } from '@/stores/flags'
 import { useUserStore } from '@/stores/user'
@@ -185,6 +187,17 @@ const adminStore = useAdminStore()
 const flagsStore = useFlagsStore()
 const userStore = useUserStore()
 
+// COMPOSABLES
+
+const dark = useDark()
+
+/*
+  WBtn emits its colour as an inline style, so no `dark:` class can reach it -- the theme has to be
+  read here. `primary` is a mid-tone picked to read on white; on the dark card it needs the lightened
+  mix, the same one the section headings use.
+*/
+const actionColor = computed(() => (dark.isActive ? 'primary-light' : 'primary'))
+
 // ROUTER
 
 const router = useRouter()
diff --git a/frontend/src/pages/Index.vue b/frontend/src/pages/Index.vue
index 82cb2238..316258c7 100644
--- a/frontend/src/pages/Index.vue
+++ b/frontend/src/pages/Index.vue
@@ -2,7 +2,10 @@
   <w-page class="flex flex-col">
     <div class="page-breadcrumbs py-2 px-4 flex flex-wrap" v-if="!editorStore.isActive">
       <div class="min-w-0 flex-1">
-        <w-breadcrumbs :items="breadcrumbs" active-color="grey-7" separator-color="grey">
+        <w-breadcrumbs
+          :items="breadcrumbs"
+          :active-color="dark.isActive ? `grey-5` : `grey-7`"
+          separator-color="grey">
           <template #separator><w-icon name="la:angle-right" /></template>
         </w-breadcrumbs>
       </div>
@@ -11,14 +14,18 @@
           <div class="text-caption text-accent"><strong>Unpublished</strong></div>
           <w-separator class="mx-2" vertical />
         </template>
-        <div class="text-caption text-grey-6">Last modified on <strong>{{lastModified}}</strong></div>
+        <div class="text-caption text-grey-6">
+          Last modified on <strong>{{ lastModified }}</strong>
+        </div>
       </div>
     </div>
     <page-header />
-    <div class="page-container flex flex-nowrap items-stretch" style="flex: 1 1 100%;">
-      <div class="min-w-0 flex-1" :style="siteStore.theme.tocPosition === `left` ? `order: 2;` : `order: 1;`">
+    <div class="page-container flex flex-nowrap items-stretch" style="flex: 1 1 100%">
+      <div
+        class="min-w-0 flex-1"
+        :style="siteStore.theme.tocPosition === `left` ? `order: 2;` : `order: 1;`">
         <component :is="editorComponents[editorStore.editor]" v-if="editorStore.isActive" />
-        <w-scroll-area class="page-container-scrl" v-else style="height: 100%;">
+        <w-scroll-area class="page-container-scrl" v-else style="height: 100%">
           <div class="p-4">
             <div class="page-contents" ref="pageContents" v-html="pageStore.render" />
             <template v-if="pageStore.relations && pageStore.relations.length > 0">
@@ -35,8 +42,10 @@
                     :key="`rel-id-` + rel.id">
                     <w-icon :name="rel.icon" />
                     <div class="flex flex-col text-left pl-4">
-                      <div class="text-body2"><strong>{{rel.label}}</strong></div>
-                      <div class="text-caption">{{rel.caption}}</div>
+                      <div class="text-body2">
+                        <strong>{{ rel.label }}</strong>
+                      </div>
+                      <div class="text-caption">{{ rel.caption }}</div>
                     </div>
                   </w-btn>
                 </div>
@@ -63,8 +72,10 @@
                     v-for="rel of relationsRight"
                     :key="`rel-id-` + rel.id">
                     <div class="flex flex-col text-left pr-4">
-                      <div class="text-body2"><strong>{{rel.label}}</strong></div>
-                      <div class="text-caption">{{rel.caption}}</div>
+                      <div class="text-body2">
+                        <strong>{{ rel.label }}</strong>
+                      </div>
+                      <div class="text-caption">{{ rel.caption }}</div>
                     </div>
                     <w-icon :name="rel.icon" />
                   </w-btn>
@@ -154,6 +165,7 @@ import { computed, defineAsyncComponent, nextTick, onMounted, reactive, ref, wat
 import { useRouter, useRoute } from 'vue-router'
 import { useI18n } from 'vue-i18n'
 
+import { useDark } from '@/composables/dark'
 import { useMeta } from '@/composables/meta'
 import { notify } from '@/composables/notify'
 import { loading } from '@/composables/loading'
@@ -200,6 +212,10 @@ const route = useRoute()
 
 const { t } = useI18n()
 
+// COMPOSABLES
+
+const dark = useDark()
+
 // META
 
 useMeta({
@@ -406,9 +422,18 @@ function refreshTocExpanded(baseToc, lvl) {
     background: linear-gradient(to bottom, $grey-1 0%, $grey-3 100%);
     border-bottom: 1px solid $grey-4;
   }
+  /*
+    The bar sets a background per theme, so it owes a foreground too: the LAST crumb -- the current
+    page -- deliberately inherits rather than taking `active-color`, and what it was inheriting in
+    dark mode was the document's black.
+  */
+  @at-root .body--light & {
+    color: var(--color-black);
+  }
   @at-root .body--dark & {
     background: linear-gradient(to bottom, $dark-3 0%, $dark-4 100%);
     border-bottom: 1px solid $dark-3;
+    color: var(--color-white);
   }
 }
 .page-header {
diff --git a/frontend/src/pages/ProfileAuth.vue b/frontend/src/pages/ProfileAuth.vue
index 4a5ce956..dc11a593 100644
--- a/frontend/src/pages/ProfileAuth.vue
+++ b/frontend/src/pages/ProfileAuth.vue
@@ -1,6 +1,6 @@
 <template>
   <w-page class="py-4">
-    <div class="section-header">{{ t('profile.auth') }}</div>
+    <div class="w-section-header">{{ t('profile.auth') }}</div>
     <div class="p-4">
       <div class="text-body2">{{ t('profile.authInfo') }}</div>
       <w-list class="mt-6" bordered separator>
@@ -44,7 +44,7 @@
       </w-list>
     </div>
 
-    <div class="section-header mt-4">{{ t('profile.passkeys') }}</div>
+    <div class="w-section-header mt-4">{{ t('profile.passkeys') }}</div>
     <div class="p-4">
       <div class="text-body2">{{ t('profile.passkeysIntro') }}</div>
       <w-list v-if="state.passkeys?.length > 0" class="mt-6" bordered separator>
diff --git a/frontend/src/pages/ProfileAvatar.vue b/frontend/src/pages/ProfileAvatar.vue
index 4082e8be..6629c420 100644
--- a/frontend/src/pages/ProfileAvatar.vue
+++ b/frontend/src/pages/ProfileAvatar.vue
@@ -1,6 +1,6 @@
 <template>
   <w-page class="py-4">
-    <div class="section-header">{{ t('profile.avatar') }}</div>
+    <div class="w-section-header">{{ t('profile.avatar') }}</div>
     <div class="mt-10 flex flex-wrap gap-6">
       <div class="flex-1 text-center">
         <w-avatar
diff --git a/frontend/src/pages/ProfileGroups.vue b/frontend/src/pages/ProfileGroups.vue
index 065389f3..fe39e3f3 100644
--- a/frontend/src/pages/ProfileGroups.vue
+++ b/frontend/src/pages/ProfileGroups.vue
@@ -1,6 +1,6 @@
 <template>
   <w-page class="py-4">
-    <div class="section-header">{{ t('profile.groups') }}</div>
+    <div class="w-section-header">{{ t('profile.groups') }}</div>
     <div class="p-4">
       <div class="text-body2">{{ t('profile.groupsInfo') }}</div>
       <w-list class="mt-6" bordered separator>
diff --git a/frontend/src/pages/ProfileInfo.vue b/frontend/src/pages/ProfileInfo.vue
index 9b9dfd4f..9067e370 100644
--- a/frontend/src/pages/ProfileInfo.vue
+++ b/frontend/src/pages/ProfileInfo.vue
@@ -1,6 +1,6 @@
 <template>
   <w-page class="py-4">
-    <div class="section-header">{{ t('profile.myInfo') }}</div>
+    <div class="w-section-header">{{ t('profile.myInfo') }}</div>
     <w-item v-if="!canEdit">
       <w-item-section>
         <w-card class="bg-negative rounded text-white" flat>
@@ -99,7 +99,7 @@
           :readonly="!canEdit" />
       </w-item-section>
     </w-item>
-    <div class="section-header mt-6">{{ t('profile.preferences') }}</div>
+    <div class="w-section-header mt-6">{{ t('profile.preferences') }}</div>
     <w-item>
       <blueprint-icon icon="timezone" />
       <w-item-section>
@@ -181,7 +181,7 @@
           :aria-label="t(`profile.appearance`)" />
       </w-item-section>
     </w-item>
-    <div class="section-header mt-6">{{ t('profile.accessibility') }}</div>
+    <div class="w-section-header mt-6">{{ t('profile.accessibility') }}</div>
     <w-item>
       <blueprint-icon icon="visualy-impaired" />
       <w-item-section>
diff --git a/frontend/src/pages/Search.vue b/frontend/src/pages/Search.vue
index 6aacf6b3..e2f5b4b5 100644
--- a/frontend/src/pages/Search.vue
+++ b/frontend/src/pages/Search.vue
@@ -550,6 +550,8 @@ onUnmounted(() => {
       border-bottom: 1px solid $grey-3;
     }
     @at-root .body--dark & {
+      // -> Same lightened brand blue as `.w-section-header`; `$primary` on this surface is ~2.7:1
+      color: var(--color-primary-light);
       background-color: $dark-3;
       border-bottom: 1px solid $dark-2;
     }