Move account menu to a floating bottom-left card with light/dark/system theme control

app/src/shell/components/Toolbar.vue

@@ -7,15 +7,10 @@ const props = defineProps({
     type: Object,
     required: true,
   },
-  isDark: {
-    type: Boolean,
-    default: false,
-  },
 });
 
-const emit = defineEmits(['toggle-dark', 'toggle-menu']);
+const emit = defineEmits(['toggle-menu']);
 
-const menuOpen = ref(false);
 const searchOpen = ref(false);
 const sitesOpen = ref(false);
 
@@ -120,40 +115,6 @@ onUnmounted(() => document.removeEventListener('keydown', onKeydown));
           </a>
         </div>
       </div>
-      <button
-        type="button"
-        class="toolbar__icon-btn toolbar__theme-toggle"
-        :title="isDark ? 'Switch to light mode' : 'Switch to dark mode'"
-        @click="emit('toggle-dark')"
-      >
-        {{ isDark ? '☀' : '☾' }}
-      </button>
-
-      <div class="toolbar__user">
-        <button
-          type="button"
-          class="toolbar__user-btn"
-          @click="menuOpen = !menuOpen"
-        >
-          <img
-            v-if="serverData.avatar"
-            :src="serverData.avatar"
-            alt=""
-            class="toolbar__avatar"
-          />
-          <span class="toolbar__user-name">{{ serverData.userName }}</span>
-        </button>
-
-        <div v-if="menuOpen" class="toolbar__dropdown">
-          <div class="toolbar__dropdown-header">
-            <div class="toolbar__dropdown-name">{{ serverData.userName }}</div>
-            <div class="toolbar__dropdown-email">{{ serverData.userEmail }}</div>
-          </div>
-          <a :href="serverData.logoutUrl" class="toolbar__dropdown-item">
-            Log out
-          </a>
-        </div>
-      </div>
     </div>
 
     <SearchModal
@@ -256,12 +217,6 @@ onUnmounted(() => document.removeEventListener('keydown', onKeydown));
   color: var(--aurora-text);
 }
 
-.toolbar__theme-toggle {
-  font-size: 1.05rem;
-  line-height: 1;
-}
-
-.toolbar__user,
 .toolbar__sites {
   position: relative;
 }
@@ -272,32 +227,6 @@ onUnmounted(() => document.removeEventListener('keydown', onKeydown));
   margin-left: 8px;
 }
 
-.toolbar__user-btn {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  border: none;
-  background: none;
-  cursor: pointer;
-  padding: 4px 6px;
-  border-radius: 8px;
-  color: var(--aurora-text);
-}
-
-.toolbar__user-btn:hover {
-  background: var(--aurora-bg-subtle);
-}
-
-.toolbar__avatar {
-  width: 28px;
-  height: 28px;
-  border-radius: 50%;
-}
-
-.toolbar__user-name {
-  font-size: 0.875rem;
-}
-
 .toolbar__dropdown {
   position: absolute;
   top: calc(100% + 6px);