diff --git a/src/components/dashboard/SiteHeader.vue b/src/components/dashboard/SiteHeader.vue
index eb3ed29..96236bc 100644
--- a/src/components/dashboard/SiteHeader.vue
+++ b/src/components/dashboard/SiteHeader.vue
@@ -1,11 +1,79 @@
 <script setup lang="ts">
+import { ref, watch, computed } from "vue"
 import { useI18n } from "vue-i18n"
 import { Button } from "@/components/ui/button"
+import { Badge } from "@/components/ui/badge"
+import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogTrigger } from "@/components/ui/dialog"
 import { Separator } from "@/components/ui/separator"
 import { SidebarTrigger } from "@/components/ui/sidebar"
+import { Input } from "@/components/ui/input"
 import { isDark, toggleTheme } from "@/composables/useTheme"
+import { useSearch, typeColors } from "@/composables/useSearch"
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuSub,
+  DropdownMenuSubContent,
+  DropdownMenuSubTrigger,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu"
 
-const { t } = useI18n()
+const { t, locale } = useI18n()
+const searchOpen = ref(false)
+const searchQuery = ref("")
+const { results, loading, search, clearResults } = useSearch()
+
+watch(searchQuery, (query) => {
+  search(query)
+})
+
+const languages = [
+  { code: "en", label: "English" },
+  { code: "es", label: "Español" },
+]
+
+function setLanguage(code: string) {
+  locale.value = code
+  localStorage.setItem("alpha-language", code)
+}
+
+function setTheme(theme: "light" | "dark" | "system") {
+  if (theme === "system") {
+    document.documentElement.removeAttribute("class")
+  } else if (theme === "dark") {
+    document.documentElement.classList.add("dark")
+  } else {
+    document.documentElement.classList.remove("dark")
+  }
+}
+
+function handleSearchOpenChange(open: boolean) {
+  searchOpen.value = open
+  if (!open) {
+    searchQuery.value = ""
+    clearResults()
+  }
+}
+
+function selectResult(result: { type: string; id: number }) {
+  console.log("Selected:", result.type, result.id)
+  handleSearchOpenChange(false)
+}
+
+const groupedResults = computed(() => {
+  const groups: Record<string, typeof results.value> = {}
+  results.value.forEach((result) => {
+    const label = typeColors[result.type].label
+    if (!groups[label]) {
+      groups[label] = []
+    }
+    groups[label].push(result)
+  })
+  return groups
+})
 </script>
 
 <template>
@@ -20,6 +88,58 @@ const { t } = useI18n()
         {{ t('siteHeader.title') }}
       </h1>
       <div class="ml-auto flex items-center gap-2">
+        <Dialog v-model:open="searchOpen">
+          <DialogTrigger as-child>
+            <Button variant="outline" class="rounded-xl sm:pr-12 w-full justify-start text-muted-foreground w-40">
+              {{ t('siteHeader.search') }}
+            </Button>
+          </DialogTrigger>
+          <DialogContent class="sm:max-w-[525px] max-h-[80vh] overflow-hidden flex flex-col">
+            <DialogHeader>
+              <DialogTitle>{{ t('siteHeader.search') }}</DialogTitle>
+            </DialogHeader>
+            <div class="py-4">
+              <Input
+                v-model="searchQuery"
+                type="search"
+                :placeholder="t('siteHeader.search')"
+                class="w-full"
+                autofocus
+              />
+            </div>
+            <div v-if="loading" class="py-8 text-center text-muted-foreground text-sm">
+              {{ t('siteHeader.searching') || 'Searching...' }}
+            </div>
+            <div v-else-if="results.length === 0 && searchQuery.trim()" class="py-8 text-center text-muted-foreground text-sm">
+              {{ t('siteHeader.noResults') || 'No results found' }}
+            </div>
+            <div v-else-if="results.length > 0" class="overflow-y-auto max-h-[50vh] pb-4">
+              <div v-for="(group, type) in groupedResults" :key="type" class="mb-4">
+                <h3 class="text-xs font-medium text-muted-foreground uppercase tracking-wider mb-2 px-1">
+                  {{ type }}
+                </h3>
+                <div class="space-y-1">
+                  <button
+                    v-for="result in group"
+                    :key="`${result.type}-${result.id}`"
+                    @click="selectResult(result)"
+                    class="w-full flex items-center gap-3 px-3 py-2 rounded-lg text-left hover:bg-accent transition-colors"
+                  >
+                    <Badge :class="`${typeColors[result.type].bg} ${typeColors[result.type].text}`" variant="secondary">
+                      {{ typeColors[result.type].label }}
+                    </Badge>
+                    <div class="flex-1 min-w-0">
+                      <p class="text-sm font-medium truncate">{{ result.title }}</p>
+                      <p v-if="result.description" class="text-xs text-muted-foreground truncate">
+                        {{ result.description }}
+                      </p>
+                    </div>
+                  </button>
+                </div>
+              </div>
+            </div>
+          </DialogContent>
+        </Dialog>
         <Button variant="ghost" size="icon" class="size-8" @click="toggleTheme()">
           <svg v-if="isDark" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-[18px]">
             <path stroke="none" d="M0 0h24v24H0z" fill="none" />
@@ -35,6 +155,102 @@ const { t } = useI18n()
           </svg>
           <span class="sr-only">Toggle theme</span>
         </Button>
+        <DropdownMenu>
+          <DropdownMenuTrigger as-child>
+            <Button variant="ghost" size="icon" class="size-8">
+              <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-[18px]">
+                <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                <path d="M12.22 2h-.44a2 2 0 0 0-2 2v.18a2 2 0 0 1-1 1.73l-.43.25a2 2 0 0 1-2 0l-.15-.08a2 2 0 0 0-2.73.73l-.22.38a2 2 0 0 0 .73 2.73l.15.1a2 2 0 0 1 1 1.72v.51a2 2 0 0 1-1 1.74l-.15.09a2 2 0 0 0-.73 2.73l.22.38a2 2 0 0 0 2.73.73l.15-.08a2 2 0 0 1 2 0l.43.25a2 2 0 0 1 1 1.73V20a2 2 0 0 0 2 2h.44a2 2 0 0 0 2-2v-.18a2 2 0 0 1 1-1.73l.43-.25a2 2 0 0 1 2 0l.15.08a2 2 0 0 0 2.73-.73l.22-.39a2 2 0 0 0-.73-2.73l-.15-.08a2 2 0 0 1-1-1.74v-.5a2 2 0 0 1 1-1.74l.15-.09a2 2 0 0 0 .73-2.73l-.22-.38a2 2 0 0 0-2.73-.73l-.15.08a2 2 0 0 1-2 0l-.43-.25a2 2 0 0 1-1-1.73V4a2 2 0 0 0-2-2z" />
+                <circle cx="12" cy="12" r="3" />
+              </svg>
+              <span class="sr-only">{{ t('settings.title') }}</span>
+            </Button>
+          </DropdownMenuTrigger>
+          <DropdownMenuContent align="end">
+            <DropdownMenuLabel>{{ t('settings.title') }}</DropdownMenuLabel>
+            <DropdownMenuSeparator />
+            <DropdownMenuSub>
+              <DropdownMenuSubTrigger>
+                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4">
+                  <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                  <circle cx="12" cy="12" r="10" />
+                  <path d="M12 2c2.667 4.333 4 7.5 4 10c0 2.5-1.333 5.667-4 10" />
+                  <path d="M2 12h20" />
+                  <path d="M12 2c-2.667 4.333-4 7.5-4 10c0 2.5 1.333 5.667 4 10" />
+                </svg>
+                {{ t('settings.language') }}
+              </DropdownMenuSubTrigger>
+              <DropdownMenuSubContent>
+                <DropdownMenuItem
+                  v-for="lang in languages"
+                  :key="lang.code"
+                  @click="setLanguage(lang.code)"
+                >
+                  {{ lang.label }}
+                  <svg v-if="locale === lang.code" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4 ml-auto">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                    <path d="M5 12l5 5l10 -10" />
+                  </svg>
+                </DropdownMenuItem>
+              </DropdownMenuSubContent>
+            </DropdownMenuSub>
+            <DropdownMenuSeparator />
+            <DropdownMenuSub>
+              <DropdownMenuSubTrigger>
+                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4">
+                  <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                  <circle cx="12" cy="12" r="4" />
+                  <path d="M12 2v2" />
+                  <path d="M12 20v2" />
+                  <path d="M4.93 4.93l1.41 1.41" />
+                  <path d="M17.66 17.66l1.41 1.41" />
+                  <path d="M2 12h2" />
+                  <path d="M20 12h2" />
+                  <path d="M6.34 17.66l-1.41 1.41" />
+                  <path d="M19.07 4.93l-1.41 1.41" />
+                </svg>
+                {{ t('settings.theme') }}
+              </DropdownMenuSubTrigger>
+              <DropdownMenuSubContent>
+                <DropdownMenuItem @click="setTheme('light')">
+                  <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                    <path d="M12 3c.132 0 .263 0 .393 0a7.5 7.5 0 0 0 7.92 12.446a9 9 0 1 1 -8.313 -12.454z" />
+                  </svg>
+                  {{ t('settings.light') }}
+                  <svg v-if="!isDark" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4 ml-auto">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                    <path d="M5 12l5 5l10 -10" />
+                  </svg>
+                </DropdownMenuItem>
+                <DropdownMenuItem @click="setTheme('dark')">
+                  <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                    <path d="M12 12m-9 0a9 9 0 1 0 18 0a9 9 0 1 0 -18 0" />
+                    <path d="M12 3l0 18" />
+                    <path d="M12 9l4.65 -4.65" />
+                    <path d="M12 14.3l7.37 -7.37" />
+                    <path d="M12 19.6l8.85 -8.85" />
+                  </svg>
+                  {{ t('settings.dark') }}
+                  <svg v-if="isDark" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4 ml-auto">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                    <path d="M5 12l5 5l10 -10" />
+                  </svg>
+                </DropdownMenuItem>
+                <DropdownMenuItem @click="setTheme('system')">
+                  <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="size-4">
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                    <rect width="20" height="14" x="2" y="3" rx="2" />
+                    <path d="M8 21h8" />
+                    <path d="M12 17v4" />
+                  </svg>
+                  {{ t('settings.system') }}
+                </DropdownMenuItem>
+              </DropdownMenuSubContent>
+            </DropdownMenuSub>
+          </DropdownMenuContent>
+        </DropdownMenu>
       </div>
     </div>
   </header>