diff --git a/src/App.vue b/src/App.vue
index 9ce21c1..d262a86 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,45 +1,22 @@
 <script setup lang="ts">
-import { ref, computed, onMounted, onUnmounted, watch } from 'vue';
+import { ref, watch } from 'vue';
 import { 
   Settings, 
   Languages, 
-  Send, 
-  Copy, 
-  Trash2, 
-  ArrowRightLeft,
-  Loader2,
-  Check,
   FileText,
-  ChevronDown,
   Sun,
   Moon,
-  User,
-  Type,
-  Plus,
-  Save,
-  Play,
-  Clock,
-  Search
+  Clock
 } from 'lucide-vue-next';
-import { invoke } from '@tauri-apps/api/core';
-import { listen } from '@tauri-apps/api/event';
-import { 
-  useSettingsStore, 
-  LANGUAGES, 
-  DEFAULT_TEMPLATE,
-  DEFAULT_EVALUATION_TEMPLATE,
-  DEFAULT_REFINEMENT_TEMPLATE,
-  SPEAKER_IDENTITY_OPTIONS,
-  TONE_REGISTER_OPTIONS,
-  type ApiProfile
-} from './stores/settings';
+import { useSettingsStore } from './stores/settings';
 import pkg from '../package.json';
-import { clsx, type ClassValue } from 'clsx';
-import { twMerge } from 'tailwind-merge';
+import { cn } from './lib/utils';
 
-function cn(...inputs: ClassValue[]) {
-  return twMerge(clsx(inputs));
-}
+// Import newly separated views
+import TranslationView from './components/TranslationView.vue';
+import SettingsView from './components/SettingsView.vue';
+import LogsView from './components/LogsView.vue';
+import HistoryView from './components/HistoryView.vue';
 
 const settings = useSettingsStore();
 
@@ -56,455 +33,9 @@ const toggleTheme = () => {
   settings.isDark = !settings.isDark;
 };
 
+// Global Routing State
 const view = ref<'translate' | 'settings' | 'logs' | 'history'>('translate');
-const settingsCategory = ref<'api' | 'general' | 'prompts'>('api');
 
-// History Management
-const searchQuery = ref('');
-const selectedHistoryId = ref<string | null>(null);
-
-const filteredHistory = computed(() => {
-  if (!searchQuery.value.trim()) return settings.history;
-  const q = searchQuery.value.toLowerCase();
-  return settings.history.filter(h => 
-    h.sourceText.toLowerCase().includes(q) || 
-    h.targetText.toLowerCase().includes(q)
-  );
-});
-
-const selectedHistoryItem = computed(() => 
-  settings.history.find(h => h.id === selectedHistoryId.value) || null
-);
-
-watch(filteredHistory, (newVal) => {
-  if (newVal.length > 0 && !selectedHistoryId.value) {
-    selectedHistoryId.value = newVal[0].id;
-  }
-}, { immediate: true });
-
-const deleteHistoryItem = (id: string) => {
-  settings.history = settings.history.filter(h => h.id !== id);
-  if (selectedHistoryId.value === id) {
-    selectedHistoryId.value = filteredHistory.value[0]?.id || null;
-  }
-};
-
-// Logs Management
-const selectedLogId = ref<string | null>(null);
-const selectedLogItem = computed(() => 
-  settings.logs.find(l => l.id === selectedLogId.value) || null
-);
-
-watch(() => settings.logs, (newVal) => {
-  if (newVal.length > 0 && !selectedLogId.value) {
-    selectedLogId.value = newVal[0].id;
-  }
-}, { immediate: true });
-
-const getLogSummary = (log: any) => {
-  if (log.type === 'error') return String(log.content);
-  if (typeof log.content === 'string') return log.content;
-  if (log.content && log.content.model) return `Model: ${log.content.model}`;
-  if (log.content && log.content.score) return `Score: ${log.content.score}`;
-  return 'JSON Data';
-};
-
-// Universal Copy with Feedback
-const activeCopyId = ref<string | null>(null);
-
-const copyWithFeedback = async (text: string, id: string) => {
-  try {
-    await navigator.clipboard.writeText(text);
-    activeCopyId.value = id;
-    setTimeout(() => {
-      if (activeCopyId.value === id) {
-        activeCopyId.value = null;
-      }
-    }, 2000);
-  } catch (err) {
-    console.error('Failed to copy text: ', err);
-  }
-};
-
-// Profile Management
-const newProfileName = ref('');
-const isSavingProfile = ref(false);
-
-const saveCurrentAsProfile = () => {
-  if (!newProfileName.value.trim()) return;
-  
-  const newProfile: ApiProfile = {
-    id: crypto.randomUUID(),
-    name: newProfileName.value.trim(),
-    apiBaseUrl: settings.apiBaseUrl,
-    apiKey: settings.apiKey,
-    modelName: settings.modelName
-  };
-  
-  settings.profiles.push(newProfile);
-  newProfileName.value = '';
-  isSavingProfile.value = false;
-};
-
-const applyProfile = (p: ApiProfile) => {
-  settings.apiBaseUrl = p.apiBaseUrl;
-  settings.apiKey = p.apiKey;
-  settings.modelName = p.modelName;
-};
-
-const deleteProfile = (id: string) => {
-  settings.profiles = settings.profiles.filter(p => p.id !== id);
-};
-
-// Dropdown State
-const sourceDropdownOpen = ref(false);
-const targetDropdownOpen = ref(false);
-const speakerDropdownOpen = ref(false);
-const toneDropdownOpen = ref(false);
-const evaluationProfileDropdownOpen = ref(false);
-
-const closeAllDropdowns = () => {
-  sourceDropdownOpen.value = false;
-  targetDropdownOpen.value = false;
-  speakerDropdownOpen.value = false;
-  toneDropdownOpen.value = false;
-  evaluationProfileDropdownOpen.value = false;
-};
-
-const toggleDropdown = (type: 'source' | 'target' | 'speaker' | 'tone' | 'evaluationProfile') => {
-  const states = {
-    source: sourceDropdownOpen,
-    target: targetDropdownOpen,
-    speaker: speakerDropdownOpen,
-    tone: toneDropdownOpen,
-    evaluationProfile: evaluationProfileDropdownOpen
-  };
-  
-  const targetState = states[type];
-  const currentValue = targetState.value;
-  
-  closeAllDropdowns();
-  targetState.value = !currentValue;
-};
-
-const handleGlobalClick = (e: MouseEvent) => {
-  const target = e.target as HTMLElement;
-  if (!target.closest('.lang-dropdown')) {
-    closeAllDropdowns();
-  }
-};
-
-onMounted(() => {
-  window.addEventListener('click', handleGlobalClick);
-});
-
-onUnmounted(() => {
-  window.removeEventListener('click', handleGlobalClick);
-});
-
-// Translation State
-const sourceText = ref('');
-const context = ref('');
-const targetText = ref('');
-const isTranslating = ref(false);
-
-interface Suggestion {
-  id: number;
-  text: string;
-  importance: number;
-}
-
-interface EvaluationResult {
-  score: number;
-  analysis: string;
-  suggestions?: Suggestion[];
-}
-
-const evaluationResult = ref<EvaluationResult | null>(null);
-const isEvaluating = ref(false);
-const isRefining = ref(false);
-const selectedSuggestionIds = ref<number[]>([]);
-const appliedSuggestionIds = ref<number[]>([]);
-
-const toggleSuggestion = (id: number) => {
-  if (!selectedSuggestionIds.value) selectedSuggestionIds.value = [];
-  const index = selectedSuggestionIds.value.indexOf(id);
-  if (index > -1) {
-    selectedSuggestionIds.value.splice(index, 1);
-  } else {
-    selectedSuggestionIds.value.push(id);
-  }
-};
-
-let unlisten: (() => void) | null = null;
-
-onMounted(async () => {
-  unlisten = await listen<string>('translation-chunk', (event) => {
-    if (isTranslating.value || isRefining.value) {
-      targetText.value += event.payload;
-    }
-  });
-});
-
-onUnmounted(() => {
-  if (unlisten) unlisten();
-});
-
-// Language Selection
-const sourceLangCode = computed({
-  get: () => settings.sourceLang.code,
-  set: (code) => {
-    const lang = LANGUAGES.find(l => l.code === code);
-    if (lang) settings.sourceLang = lang;
-  }
-});
-
-const targetLangCode = computed({
-  get: () => settings.targetLang.code,
-  set: (code) => {
-    const lang = LANGUAGES.find(l => l.code === code);
-    if (lang) settings.targetLang = lang;
-  }
-});
-
-const sourceLang = computed(() => settings.sourceLang);
-const targetLang = computed(() => settings.targetLang);
-
-const currentSpeakerLabel = computed(() => {
-  return SPEAKER_IDENTITY_OPTIONS.find(opt => opt.value === settings.speakerIdentity)?.label || '男性';
-});
-
-const currentToneLabel = computed(() => {
-  return TONE_REGISTER_OPTIONS.find(opt => opt.value === settings.toneRegister)?.label || '正式专业';
-});
-
-const currentEvaluationProfileLabel = computed(() => {
-  if (!settings.evaluationProfileId) return '使用主翻译配置（默认）';
-  const profile = settings.profiles.find(p => p.id === settings.evaluationProfileId);
-  return profile ? `${profile.name} — ${profile.modelName}` : '使用主翻译配置（默认）';
-});
-
-const swapLanguages = () => {
-  const temp = { ...settings.sourceLang };
-  settings.sourceLang = { ...settings.targetLang };
-  settings.targetLang = temp;
-};
-
-const clearSource = () => {
-  sourceText.value = '';
-  targetText.value = '';
-  evaluationResult.value = null;
-};
-
-const evaluateTranslation = async () => {
-  if (!targetText.value) return;
-
-  isEvaluating.value = true;
-  evaluationResult.value = null;
-  selectedSuggestionIds.value = [];
-  appliedSuggestionIds.value = [];
-
-  // Determine which API config to use for evaluation
-  let apiBaseUrl = settings.apiBaseUrl;
-  let apiKey = settings.apiKey;
-  let modelName = settings.modelName;
-
-  if (settings.evaluationProfileId) {
-    const profile = settings.profiles.find(p => p.id === settings.evaluationProfileId);
-    if (profile) {
-      apiBaseUrl = profile.apiBaseUrl;
-      apiKey = profile.apiKey;
-      modelName = profile.modelName;
-    }
-  }
-
-  const evaluationSystemPrompt = settings.evaluationPromptTemplate
-    .replace(/{SOURCE_LANG}/g, sourceLang.value.englishName)
-    .replace(/{TARGET_LANG}/g, targetLang.value.englishName)
-    .replace(/{SPEAKER_IDENTITY}/g, settings.speakerIdentity)
-    .replace(/{TONE_REGISTER}/g, settings.toneRegister)
-    .replace(/{CONTEXT}/g, context.value || 'None');
-
-  const evaluationUserPrompt = `[Source Text]\n${sourceText.value}\n\n[Translated Text]\n${targetText.value}`;
-
-  const requestBody = {
-    model: modelName,
-    messages: [
-      { role: "system", content: evaluationSystemPrompt },
-      { role: "user", content: evaluationUserPrompt }
-    ],
-    stream: false // Non-streaming for evaluation to parse JSON
-  };
-
-  settings.addLog('request', { type: 'evaluation', ...requestBody });
-
-  try {
-    const response = await invoke<string>('translate', {
-      apiAddress: apiBaseUrl,
-      apiKey: apiKey,
-      payload: requestBody
-    });
-    
-    try {
-      // Try to extract JSON if the model wrapped it in code blocks
-      const jsonStr = response.replace(/```json\s?|\s?```/g, '').trim();
-      evaluationResult.value = JSON.parse(jsonStr);
-      settings.addLog('response', { type: 'evaluation', content: evaluationResult.value });
-    } catch (parseErr) {
-      console.error('Failed to parse evaluation result:', response);
-      settings.addLog('error', `Evaluation parsing error: ${response}`);
-    }
-  } catch (err: any) {
-    settings.addLog('error', `Evaluation error: ${String(err)}`);
-  } finally {
-    isEvaluating.value = false;
-  }
-};
-
-const refineTranslation = async () => {
-  if (!targetText.value || isRefining.value) return;
-  
-  const selectedTexts = evaluationResult.value?.suggestions
-    ?.filter(s => selectedSuggestionIds.value?.includes(s.id))
-    .map(s => s.text);
-    
-  if (!selectedTexts || selectedTexts.length === 0) return;
-
-  isRefining.value = true;
-  const originalTranslation = targetText.value;
-  targetText.value = ''; 
-  // Keep evaluationResult and selectedSuggestionIds to allow the user to see what was changed
-
-  // Determine which API config to use (same as audit)
-  let apiBaseUrl = settings.apiBaseUrl;
-  let apiKey = settings.apiKey;
-  let modelName = settings.modelName;
-
-  if (settings.evaluationProfileId) {
-    const profile = settings.profiles.find(p => p.id === settings.evaluationProfileId);
-    if (profile) {
-      apiBaseUrl = profile.apiBaseUrl;
-      apiKey = profile.apiKey;
-      modelName = profile.modelName;
-    }
-  }
-
-  const refinementSystemPrompt = settings.refinementPromptTemplate
-    .replace(/{SOURCE_LANG}/g, sourceLang.value.englishName)
-    .replace(/{TARGET_LANG}/g, targetLang.value.englishName)
-    .replace(/{SPEAKER_IDENTITY}/g, settings.speakerIdentity)
-    .replace(/{TONE_REGISTER}/g, settings.toneRegister)
-    .replace(/{CONTEXT}/g, context.value || 'None');
-
-  const formattedSuggestions = selectedTexts.map((text, i) => `${i + 1}. ${text}`).join('\n');
-  
-  const refinementUserPrompt = `[Source Text]\n${sourceText.value}\n\n[Current Translation]\n${originalTranslation}\n\n[User Feedback]\n${formattedSuggestions}`;
-
-  const requestBody = {
-    model: modelName,
-    messages: [
-      { role: "system", content: refinementSystemPrompt },
-      { role: "user", content: refinementUserPrompt }
-    ],
-    stream: settings.enableStreaming
-  };
-
-  settings.addLog('request', { type: 'refinement', ...requestBody });
-
-  try {
-    const response = await invoke<string>('translate', {
-      apiAddress: apiBaseUrl,
-      apiKey: apiKey,
-      payload: requestBody
-    });
-    
-    if (!settings.enableStreaming) {
-      targetText.value = response;
-    }
-    
-    // Track applied suggestions and clear selection
-    if (evaluationResult.value?.suggestions) {
-      appliedSuggestionIds.value.push(...selectedSuggestionIds.value);
-      selectedSuggestionIds.value = [];
-    }
-    
-    settings.addLog('response', 'Refinement completed');
-  } catch (err: any) {
-    const errorMsg = String(err);
-    settings.addLog('error', errorMsg);
-    targetText.value = `Error: ${errorMsg}`;
-  } finally {
-    isRefining.value = false;
-  }
-};
-
-const translate = async () => {
-  if (!sourceText.value.trim() || isTranslating.value) return;
-
-  isTranslating.value = true;
-  targetText.value = '';
-  evaluationResult.value = null;
-
-  const systemMessage = settings.systemPromptTemplate
-    .replace(/{SOURCE_LANG}/g, sourceLang.value.englishName)
-    .replace(/{SOURCE_CODE}/g, sourceLang.value.code)
-    .replace(/{TARGET_LANG}/g, targetLang.value.englishName)
-    .replace(/{TARGET_CODE}/g, targetLang.value.code)
-    .replace(/{SPEAKER_IDENTITY}/g, settings.speakerIdentity)
-    .replace(/{TONE_REGISTER}/g, settings.toneRegister);
-
-  const userMessage = context.value 
-    ? `[Context]\n${context.value}\n\n[Text to Translate]\n${sourceText.value}`
-    : `[Text to Translate]\n${sourceText.value}`;
-
-  const requestBody = {
-    model: settings.modelName,
-    messages: [
-      { role: "system", content: systemMessage },
-      { role: "user", content: userMessage }
-    ],
-    stream: settings.enableStreaming
-  };
-
-  settings.addLog('request', requestBody);
-
-  try {
-    const response = await invoke<string>('translate', {
-      apiAddress: settings.apiBaseUrl,
-      apiKey: settings.apiKey,
-      payload: requestBody
-    });
-    
-    // For non-streaming, response is returned as string
-    if (!settings.enableStreaming) {
-      targetText.value = response;
-    }
-    settings.addLog('response', 'Translation completed');
-
-    // Save to history
-    settings.addHistory({
-      sourceLang: { ...sourceLang.value },
-      targetLang: { ...targetLang.value },
-      sourceText: sourceText.value,
-      targetText: settings.enableStreaming ? targetText.value : response,
-      context: context.value,
-      speakerIdentity: settings.speakerIdentity,
-      toneRegister: settings.toneRegister,
-      modelName: settings.modelName
-    });
-  } catch (err: any) {
-    const errorMsg = String(err);
-    settings.addLog('error', errorMsg);
-    targetText.value = `Error: ${errorMsg}`;
-  } finally {
-    isTranslating.value = false;
-  }
-
-  // Trigger evaluation if enabled
-  if (settings.enableEvaluation) {
-    await evaluateTranslation();
-  }
-};
 </script>
 
 <template>
@@ -549,965 +80,13 @@ const translate = async () => {
     </header>
 
     <main class="flex-1 flex overflow-hidden min-h-0 relative">
-      <!-- Translation View -->
-      <div v-if="view === 'translate'" class="flex-1 flex flex-col md:flex-row divide-y md:divide-y-0 md:divide-x dark:divide-slate-800 bg-white/50 dark:bg-slate-900 overflow-hidden h-full">
-        <!-- Source Pane -->
-        <div class="flex-1 flex flex-col min-h-0 relative h-full">
-          <div class="flex items-center gap-3 px-6 py-3 border-b dark:border-slate-800 bg-slate-100/40 dark:bg-slate-800/30 relative z-40 shrink-0">
-            <!-- Custom Source Dropdown -->
-            <div class="relative lang-dropdown min-w-30">
-              <button 
-                @click.stop="toggleDropdown('source')"
-                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-semibold text-slate-700 dark:text-slate-200 w-full justify-between group"
-              >
-                <span class="truncate">{{ sourceLang.displayName }}</span>
-                <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200', sourceDropdownOpen && 'rotate-180')" />
-              </button>
-              
-              <!-- Dropdown Menu -->
-              <transition
-                enter-active-class="transition duration-100 ease-out"
-                enter-from-class="transform scale-95 opacity-0"
-                enter-to-class="transform scale-100 opacity-100"
-                leave-active-class="transition duration-75 ease-in"
-                leave-from-class="transform scale-100 opacity-100"
-                leave-to-class="transform scale-95 opacity-0"
-              >
-                <div 
-                  v-if="sourceDropdownOpen"
-                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
-                >
-                  <button
-                    v-for="lang in LANGUAGES"
-                    :key="lang.code"
-                    @click="sourceLangCode = lang.code; sourceDropdownOpen = false"
-                    :class="cn(
-                      'px-4 py-2.5 text-sm text-left transition-colors flex items-center justify-between',
-                      sourceLangCode === lang.code ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
-                    )"
-                  >
-                    {{ lang.displayName }}
-                    <Check v-if="sourceLangCode === lang.code" class="w-3.5 h-3.5" />
-                  </button>
-                </div>
-              </transition>
-            </div>
-
-            <button @click="swapLanguages" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors" title="交换语言">
-              <ArrowRightLeft class="w-4 h-4 text-slate-500 dark:text-slate-400" />
-            </button>
-            <div class="ml-auto flex items-center gap-2">
-               <button @click="clearSource" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors" title="清空内容">
-                <Trash2 class="w-4 h-4 text-slate-500 dark:text-slate-400" />
-              </button>
-            </div>
-          </div>
-                      <textarea
-                      v-model="sourceText"
-                      placeholder="请输入待翻译内容..."
-                      class="flex-1 p-6 resize-none outline-none text-lg leading-relaxed placeholder:text-slate-300 dark:placeholder:text-slate-600 bg-transparent min-h-0"
-                    ></textarea>
-          
-                    <!-- Context Input Area -->
-                    <div class="px-6 py-3 bg-slate-200/20 dark:bg-slate-800/20 border-t border-dashed dark:border-slate-800 group/context relative">
-                       <div class="flex items-center justify-between mb-1.5 h-5">
-                          <div class="flex items-center gap-1.5">
-                            <FileText class="w-4 h-4 text-slate-400" />
-                            <span class="text-[12px] font-bold text-slate-400 uppercase tracking-widest">情景背景 (可选)</span>
-                          </div>
-                          <button 
-                            v-if="context"
-                            @click="context = ''"
-                            class="p-1 hover:bg-slate-200 dark:hover:bg-slate-700 rounded opacity-0 group-hover/context:opacity-100 transition-opacity"
-                            title="清空背景"
-                          >
-                            <Plus class="w-3 h-3 rotate-45 text-slate-400" />
-                          </button>
-                       </div>
-                       <textarea
-                          v-model="context"
-                          placeholder="在此输入背景信息，有助于提升翻译准确度..."
-                          class="w-full bg-transparent border-none outline-none text-sm text-slate-500 dark:text-slate-400 resize-none h-14 leading-normal placeholder:italic placeholder:text-slate-300 dark:placeholder:text-slate-600"
-                       ></textarea>
-                    </div>
-          
-                    <div class="p-4 border-t dark:border-slate-800 bg-slate-50/30 dark:bg-transparent flex justify-end shrink-0">            <button 
-              @click="translate"
-              :disabled="isTranslating || isEvaluating || isRefining || !sourceText.trim()"
-              class="bg-blue-600 hover:bg-blue-700 disabled:bg-blue-300 dark:disabled:bg-blue-900/40 text-white px-6 py-2.5 rounded-lg font-medium transition-all flex items-center gap-2 shadow-sm"
-            >
-              <Loader2 v-if="isTranslating" class="w-4 h-4 animate-spin" />
-              <Send v-else class="w-4 h-4" />
-              {{ isTranslating ? '正在翻译...' : '翻译' }}
-            </button>
-          </div>
-        </div>
-
-        <!-- Target Pane -->
-        <div class="flex-1 flex flex-col min-h-0 bg-slate-100/20 dark:bg-slate-900/50 relative h-full">
-          <div class="flex items-center gap-3 px-6 py-3 border-b dark:border-slate-800 bg-slate-100/40 dark:bg-slate-800/30 relative z-40 shrink-0">
-            <!-- Custom Target Dropdown -->
-            <div class="relative lang-dropdown min-w-30">
-              <button 
-                @click.stop="toggleDropdown('target')"
-                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-semibold text-slate-700 dark:text-slate-200 w-full justify-between"
-              >
-                <span class="truncate">{{ targetLang.displayName }}</span>
-                <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200', targetDropdownOpen && 'rotate-180')" />
-              </button>
-              
-              <!-- Dropdown Menu -->
-              <transition
-                enter-active-class="transition duration-100 ease-out"
-                enter-from-class="transform scale-95 opacity-0"
-                enter-to-class="transform scale-100 opacity-100"
-                leave-active-class="transition duration-75 ease-in"
-                leave-from-class="transform scale-100 opacity-100"
-                leave-to-class="transform scale-95 opacity-0"
-              >
-                <div 
-                  v-if="targetDropdownOpen"
-                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
-                >
-                  <button
-                    v-for="lang in LANGUAGES"
-                    :key="lang.code"
-                    @click="targetLangCode = lang.code; targetDropdownOpen = false"
-                    :class="cn(
-                      'px-4 py-2.5 text-sm text-left transition-colors flex items-center justify-between',
-                      targetLangCode === lang.code ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
-                    )"
-                  >
-                    {{ lang.displayName }}
-                    <Check v-if="targetLangCode === lang.code" class="w-3.5 h-3.5" />
-                  </button>
-                </div>
-              </transition>
-            </div>
-
-            <!-- Speaker Identity Dropdown -->
-            <div class="relative lang-dropdown min-w-24">
-              <button 
-                @click.stop="toggleDropdown('speaker')"
-                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-medium text-slate-600 dark:text-slate-300 w-full justify-between group"
-                title="说话人身份"
-              >
-                <div class="flex items-center gap-1.5 truncate">
-                  <User class="w-3.5 h-3.5 text-slate-400" />
-                  <span class="truncate">{{ currentSpeakerLabel }}</span>
-                </div>
-                <ChevronDown :class="cn('w-3.5 h-3.5 text-slate-400 transition-transform duration-200 shrink-0', speakerDropdownOpen && 'rotate-180')" />
-              </button>
-              
-              <transition
-                enter-active-class="transition duration-100 ease-out"
-                enter-from-class="transform scale-95 opacity-0"
-                enter-to-class="transform scale-100 opacity-100"
-                leave-active-class="transition duration-75 ease-in"
-                leave-from-class="transform scale-100 opacity-100"
-                leave-to-class="transform scale-95 opacity-0"
-              >
-                <div 
-                  v-if="speakerDropdownOpen"
-                  class="absolute left-0 mt-2 w-40 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
-                >
-                  <button
-                    v-for="opt in SPEAKER_IDENTITY_OPTIONS"
-                    :key="opt.value"
-                    @click="settings.speakerIdentity = opt.value; speakerDropdownOpen = false"
-                    :class="cn(
-                      'px-4 py-2 text-sm text-left transition-colors flex items-center justify-between',
-                      settings.speakerIdentity === opt.value ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
-                    )"
-                  >
-                    {{ opt.label }}
-                    <Check v-if="settings.speakerIdentity === opt.value" class="w-3.5 h-3.5" />
-                  </button>
-                </div>
-              </transition>
-            </div>
-
-            <!-- Tone & Register Dropdown -->
-            <div class="relative lang-dropdown min-w-32">
-              <button 
-                @click.stop="toggleDropdown('tone')"
-                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-medium text-slate-600 dark:text-slate-300 w-full justify-between group"
-                title="语气风格"
-              >
-                <div class="flex items-center gap-1.5 truncate">
-                  <Type class="w-3.5 h-3.5 text-slate-400" />
-                  <span class="truncate">{{ currentToneLabel }}</span>
-                </div>
-                <ChevronDown :class="cn('w-3.5 h-3.5 text-slate-400 transition-transform duration-200 shrink-0', toneDropdownOpen && 'rotate-180')" />
-              </button>
-              
-              <transition
-                enter-active-class="transition duration-100 ease-out"
-                enter-from-class="transform scale-95 opacity-0"
-                enter-to-class="transform scale-100 opacity-100"
-                leave-active-class="transition duration-75 ease-in"
-                leave-from-class="transform scale-100 opacity-100"
-                leave-to-class="transform scale-95 opacity-0"
-              >
-                <div 
-                  v-if="toneDropdownOpen"
-                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
-                >
-                  <button
-                    v-for="opt in TONE_REGISTER_OPTIONS"
-                    :key="opt.value"
-                    @click="settings.toneRegister = opt.value; toneDropdownOpen = false"
-                    :class="cn(
-                      'px-4 py-2.5 text-sm text-left transition-colors flex flex-col gap-0.5',
-                      settings.toneRegister === opt.value ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
-                    )"
-                  >
-                    <div class="flex items-center justify-between w-full">
-                      {{ opt.label }}
-                      <Check v-if="settings.toneRegister === opt.value" class="w-3.5 h-3.5" />
-                    </div>
-                    <span class="text-[10px] opacity-60 font-normal truncate">{{ opt.description }}</span>
-                  </button>
-                </div>
-              </transition>
-            </div>
-
-            <div class="ml-auto flex items-center gap-2">
-              <button @click="copyWithFeedback(targetText, 'main-target')" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors relative" title="复制结果">
-                <Check v-if="activeCopyId === 'main-target'" class="w-4 h-4 text-green-600" />
-                <Copy v-else class="w-4 h-4 text-slate-500 dark:text-slate-400" />
-              </button>
-            </div>
-          </div>
-          <div class="flex-1 p-6 overflow-y-auto text-lg leading-relaxed whitespace-pre-wrap min-h-0">
-            <template v-if="targetText">
-              {{ targetText }}
-            </template>
-            <span v-else class="text-slate-300 dark:text-slate-600 italic">翻译结果将在此显示...</span>
-          </div>
-
-          <!-- Evaluation Results -->
-          <div v-if="isEvaluating || evaluationResult" class="px-6 py-4 bg-slate-200/20 dark:bg-slate-800/20 border-t border-dashed dark:border-slate-800 space-y-4 animate-in fade-in slide-in-from-bottom-2 duration-500 overflow-y-auto max-h-80 shrink-0">
-            <div class="flex items-center justify-between">
-              <div class="flex items-center gap-2">
-                <div :class="cn(
-                  'w-2 h-2 rounded-full',
-                  isEvaluating ? 'bg-blue-400 animate-pulse' : (evaluationResult?.score && evaluationResult.score >= 80 ? 'bg-green-500' : evaluationResult?.score && evaluationResult.score >= 60 ? 'bg-amber-500' : 'bg-red-500')
-                )"></div>
-                <h3 class="text-xs font-bold text-slate-400 uppercase tracking-widest">质量审计</h3>
-              </div>
-              <div v-if="evaluationResult" :class="cn(
-                'text-lg font-black font-mono',
-                evaluationResult.score >= 80 ? 'text-green-600' : evaluationResult.score >= 60 ? 'text-amber-600' : 'text-red-600'
-              )">
-                {{ evaluationResult.score }} <span class="text-[10px] font-normal opacity-50">/ 100</span>
-              </div>
-              <div v-else-if="isEvaluating" class="flex items-center gap-1.5 text-xs text-blue-500 font-medium">
-                <Loader2 class="w-3 h-3 animate-spin" />
-                正在审计...
-              </div>
-            </div>
-
-            <div v-if="evaluationResult" class="space-y-3">
-              <div class="bg-slate-50 dark:bg-slate-800/40 p-3 rounded-lg border border-slate-100 dark:border-slate-800/60">
-                <p class="text-xs text-slate-600 dark:text-slate-300 leading-relaxed">
-                  {{ evaluationResult.analysis }}
-                </p>
-              </div>
-              
-              <div v-if="evaluationResult.suggestions && evaluationResult.suggestions.length > 0" class="space-y-4 pt-2">
-                <!-- Pending Suggestions -->
-                <div v-if="evaluationResult.suggestions.some(s => !appliedSuggestionIds.includes(s.id))" class="space-y-2">
-                  <div class="flex items-center gap-2">
-                    <div class="w-2 h-2 rounded-full bg-blue-500"></div>
-                    <h3 class="text-xs font-bold text-slate-400 uppercase tracking-widest">修改建议</h3>
-                  </div>
-                  <div class="space-y-2">
-                    <div 
-                      v-for="sug in evaluationResult.suggestions.filter(s => !appliedSuggestionIds.includes(s.id))" 
-                      :key="sug.id"
-                      @click="toggleSuggestion(sug.id)"
-                      :class="cn(
-                        'flex items-start gap-3 p-3 rounded-xl border transition-all cursor-pointer group',
-                        selectedSuggestionIds?.includes(sug.id) 
-                          ? 'bg-blue-50 dark:bg-blue-900/20 border-blue-200 dark:border-blue-800' 
-                          : 'bg-white dark:bg-slate-800/40 border-slate-100 dark:border-slate-800 hover:border-slate-300 dark:hover:border-slate-700'
-                      )"
-                    >
-                      <div :class="cn(
-                        'w-4 h-4 rounded border mt-0.5 shrink-0 flex items-center justify-center transition-colors',
-                        selectedSuggestionIds?.includes(sug.id) ? 'bg-blue-600 border-blue-600' : 'border-slate-300 dark:border-slate-600'
-                      )">
-                        <Check v-if="selectedSuggestionIds?.includes(sug.id)" class="w-3.5 h-3.5 text-white" stroke-width="4" />
-                      </div>
-                      <div class="flex-1 space-y-1.5 min-w-0">
-                        <p class="text-xs text-slate-700 dark:text-slate-200 leading-normal">{{ sug.text }}</p>
-                        <div class="flex items-center gap-2">
-                          <div class="flex-1 h-1 bg-slate-100 dark:bg-slate-700 rounded-full overflow-hidden">
-                            <div 
-                              class="h-full rounded-full transition-all duration-1000"
-                              :class="sug.importance >= 80 ? 'bg-red-500' : sug.importance >= 40 ? 'bg-amber-500' : 'bg-blue-500'"
-                              :style="{ width: `${sug.importance}%` }"
-                            ></div>
-                          </div>
-                          <span class="text-[9px] font-bold opacity-40 uppercase tracking-tighter w-8 shrink-0">{{ sug.importance }}%</span>
-                        </div>
-                      </div>
-                    </div>
-                  </div>
-                </div>
-
-                <!-- Applied Suggestions -->
-                <div v-if="appliedSuggestionIds.length > 0" class="space-y-2 border-t dark:border-slate-800 pt-4">
-                  <div class="flex items-center gap-2">
-                    <div class="w-2 h-2 rounded-full bg-slate-400"></div>
-                    <h3 class="text-xs font-bold text-slate-400 uppercase tracking-widest">已润色</h3>
-                  </div>
-                  <div class="space-y-2">
-                    <div 
-                      v-for="sug in evaluationResult.suggestions.filter(s => appliedSuggestionIds.includes(s.id))" 
-                      :key="'applied-' + sug.id"
-                      class="p-3 rounded-xl border border-slate-100 dark:border-slate-800/60 bg-white/30 dark:bg-slate-800/20 opacity-70"
-                    >
-                      <p class="text-xs text-slate-500 dark:text-slate-400 leading-normal">{{ sug.text }}</p>
-                    </div>
-                  </div>
-                </div>
-              </div>
-            </div>
-          </div>
-
-          <div class="p-4 border-t dark:border-slate-800 bg-slate-50/30 dark:bg-transparent flex justify-end gap-2 shrink-0">
-            <button 
-              @click="refineTranslation"
-              v-if="evaluationResult && evaluationResult.suggestions && evaluationResult.suggestions.length > 0"
-              :disabled="isRefining || isEvaluating || isTranslating || selectedSuggestionIds.length === 0"
-              class="bg-blue-600 enabled:hover:bg-blue-700 disabled:bg-blue-300 dark:disabled:bg-blue-900/40 text-white px-6 py-2.5 rounded-lg font-medium transition-all flex items-center gap-2 shadow-sm"
-            >
-              <Loader2 v-if="isRefining" class="w-4 h-4 animate-spin" />
-              <Save v-else class="w-4 h-4" />
-              {{ isRefining ? '正在润色...' : '润色' }}
-            </button>
-            <button 
-              @click="evaluateTranslation"
-              :disabled="isEvaluating || isTranslating || isRefining || !targetText.trim()"
-              class="bg-blue-600 enabled:hover:bg-blue-700 disabled:bg-blue-300 dark:disabled:bg-blue-900/40 text-white px-6 py-2.5 rounded-lg font-medium transition-all flex items-center gap-2 shadow-sm"
-            >
-              <Loader2 v-if="isEvaluating" class="w-4 h-4 animate-spin" />
-              <Check v-else class="w-4 h-4" />
-              {{ isEvaluating ? '正在审计...' : '审计' }}
-            </button>
-          </div>
-        </div>
-      </div>
-
-      <!-- History View -->
-      <div v-else-if="view === 'history'" class="flex-1 flex overflow-hidden bg-slate-100/50 dark:bg-slate-950">
-        <!-- History List (Master) -->
-        <div class="w-80 md:w-96 border-r dark:border-slate-800 flex flex-col bg-white/60 dark:bg-slate-900/40">
-          <div class="p-4 border-b dark:border-slate-800 space-y-3">
-            <div class="relative group">
-              <Search class="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-slate-400 group-focus-within:text-blue-500 transition-colors" />
-              <input 
-                v-model="searchQuery"
-                type="text"
-                placeholder="搜索历史记录..."
-                class="w-full pl-9 pr-4 py-2 bg-slate-100 dark:bg-slate-800 border-none rounded-lg text-sm outline-none focus:ring-2 focus:ring-blue-500/20 transition-all dark:text-slate-200"
-              />
-            </div>
-            <div class="flex items-center justify-between px-1">
-              <span class="text-[11px] font-bold text-slate-400 uppercase tracking-wider">共 {{ filteredHistory.length }} 条记录</span>
-              <button 
-                @click="settings.history = []"
-                class="text-[11px] text-red-500 hover:underline font-medium"
-              >清空全部</button>
-            </div>
-          </div>
-          
-          <div class="flex-1 overflow-y-auto custom-scrollbar p-2 space-y-1">
-            <div v-if="filteredHistory.length === 0" class="py-20 text-center space-y-2">
-              <Clock class="w-10 h-10 text-slate-200 dark:text-slate-800 mx-auto" />
-              <p class="text-sm text-slate-400 italic">暂无相关历史</p>
-            </div>
-            <div
-              v-for="item in filteredHistory"
-              :key="item.id"
-              @click="selectedHistoryId = item.id"
-              :class="cn(
-                'w-full p-4 rounded-xl text-left transition-all border group relative cursor-pointer',
-                selectedHistoryId === item.id 
-                  ? 'bg-blue-50 dark:bg-blue-900/20 border-blue-100 dark:border-blue-900/50 shadow-sm' 
-                  : 'hover:bg-slate-100 dark:hover:bg-slate-800/50 border-transparent'
-              )"
-            >
-              <div class="flex items-center justify-between mb-2">
-                <div class="flex items-center gap-1.5">
-                  <span class="text-[10px] font-bold px-1.5 py-0.5 rounded bg-slate-200 dark:bg-slate-800 text-slate-500 dark:text-slate-400 uppercase">{{ item.sourceLang.code }}</span>
-                  <ArrowRightLeft class="w-3 h-3 text-slate-300" />
-                  <span class="text-[10px] font-bold px-1.5 py-0.5 rounded bg-blue-100 dark:bg-blue-900/40 text-blue-600 dark:text-blue-400 uppercase">{{ item.targetLang.code }}</span>
-                </div>
-                <span class="text-[10px] text-slate-400 font-mono">{{ item.timestamp.split(' ')[1].substring(0, 5) }}</span>
-              </div>
-              <p class="text-xs text-slate-700 dark:text-slate-200 font-medium line-clamp-2 leading-relaxed mb-1">{{ item.sourceText }}</p>
-              <p class="text-[11px] text-slate-400 dark:text-slate-500 line-clamp-1 italic">{{ item.targetText }}</p>
-              
-              <button 
-                @click.stop="deleteHistoryItem(item.id)"
-                class="absolute right-2 bottom-2 p-1.5 rounded-md text-red-400 opacity-0 group-hover:opacity-100 hover:bg-red-50 dark:hover:bg-red-900/30 transition-all"
-                title="删除此记录"
-              >
-                <Trash2 class="w-3.5 h-3.5" />
-              </button>
-            </div>
-          </div>
-        </div>
-
-        <!-- History Detail (Detail) -->
-        <div class="flex-1 flex flex-col min-w-0 bg-white dark:bg-slate-900">
-          <template v-if="selectedHistoryItem">
-            <div class="p-6 border-b dark:border-slate-800 flex items-center justify-between shrink-0 bg-slate-50/50 dark:bg-slate-800/20">
-              <div class="flex flex-col gap-1">
-                <div class="flex items-center gap-3">
-                  <h2 class="text-lg font-bold text-slate-800 dark:text-slate-100">翻译详情</h2>
-                  <span class="text-[11px] font-mono text-slate-400 bg-slate-100 dark:bg-slate-800 px-2 py-0.5 rounded">{{ selectedHistoryItem.timestamp }}</span>
-                </div>
-                <div class="flex items-center gap-3 text-xs text-slate-500">
-                  <div class="flex items-center gap-1">
-                    <User class="w-3 h-3" />
-                    {{ SPEAKER_IDENTITY_OPTIONS.find(o => o.value === (selectedHistoryItem?.speakerIdentity))?.label || selectedHistoryItem?.speakerIdentity }}
-                  </div>
-                  <span>•</span>
-                  <div class="flex items-center gap-1">
-                    <Type class="w-3 h-3" />
-                    {{ TONE_REGISTER_OPTIONS.find(o => o.value === (selectedHistoryItem?.toneRegister))?.label || selectedHistoryItem?.toneRegister }}
-                  </div>
-                  <span>•</span>
-                  <div class="font-mono text-[10px]">{{ selectedHistoryItem.modelName }}</div>
-                </div>
-              </div>
-              <div class="flex items-center gap-2">
-                 <button 
-                    @click="deleteHistoryItem(selectedHistoryItem.id)"
-                    class="flex items-center gap-2 px-3 py-2 text-xs font-medium text-red-600 hover:bg-red-50 dark:hover:bg-red-900/30 rounded-lg transition-colors"
-                  >
-                    <Trash2 class="w-4 h-4" />
-                    删除记录
-                  </button>
-              </div>
-            </div>
-
-            <div class="flex-1 overflow-y-auto p-8 space-y-10 custom-scrollbar">
-              <!-- Source -->
-              <section class="space-y-4">
-                <div class="flex items-center justify-between">
-                  <div class="flex items-center gap-2">
-                    <div class="w-1.5 h-4 bg-slate-300 dark:bg-slate-700 rounded-full"></div>
-                    <h3 class="text-xs font-black text-slate-400 uppercase tracking-widest">{{ selectedHistoryItem.sourceLang.displayName }} (原文)</h3>
-                  </div>
-                  <button 
-                    @click="copyWithFeedback(selectedHistoryItem.sourceText, `history-source-${selectedHistoryItem.id}`)"
-                    class="p-2 hover:bg-slate-100 dark:hover:bg-slate-800 rounded-lg text-slate-400 transition-colors"
-                  >
-                    <Check v-if="activeCopyId === `history-source-${selectedHistoryItem.id}`" class="w-4 h-4 text-green-600" />
-                    <Copy v-else class="w-4 h-4" />
-                  </button>
-                </div>
-                <div class="bg-slate-50 dark:bg-slate-800/30 p-6 rounded-2xl border border-slate-100 dark:border-slate-800 text-lg leading-relaxed text-slate-700 dark:text-slate-200 whitespace-pre-wrap">
-                  {{ selectedHistoryItem.sourceText }}
-                </div>
-              </section>
-
-              <!-- Context if exists -->
-              <section v-if="selectedHistoryItem.context" class="space-y-4">
-                 <div class="flex items-center gap-2">
-                    <FileText class="w-4 h-4 text-slate-300" />
-                    <h3 class="text-xs font-black text-slate-400 uppercase tracking-widest">情景背景</h3>
-                  </div>
-                  <div class="bg-amber-50/30 dark:bg-amber-900/10 p-4 rounded-xl border border-amber-100/50 dark:border-amber-900/20 text-sm italic text-slate-500 dark:text-slate-400 leading-relaxed">
-                    {{ selectedHistoryItem.context }}
-                  </div>
-              </section>
-
-              <!-- Target -->
-              <section class="space-y-4">
-                <div class="flex items-center justify-between">
-                  <div class="flex items-center gap-2">
-                    <div class="w-1.5 h-4 bg-blue-500 rounded-full"></div>
-                    <h3 class="text-xs font-black text-blue-500/60 uppercase tracking-widest">{{ selectedHistoryItem.targetLang.displayName }} (译文)</h3>
-                  </div>
-                  <button 
-                    @click="copyWithFeedback(selectedHistoryItem.targetText, `history-target-${selectedHistoryItem.id}`)"
-                    class="p-2 bg-blue-50 dark:bg-blue-900/30 hover:bg-blue-100 dark:hover:bg-blue-900/50 rounded-lg text-blue-600 dark:text-blue-400 transition-colors"
-                  >
-                    <Check v-if="activeCopyId === `history-target-${selectedHistoryItem.id}`" class="w-4 h-4 text-green-600" />
-                    <Copy v-else class="w-4 h-4" />
-                  </button>
-                </div>
-                <div class="bg-blue-50/20 dark:bg-blue-900/10 p-6 rounded-2xl border border-blue-100/50 dark:border-blue-900/20 text-xl leading-relaxed font-medium text-slate-800 dark:text-slate-100 whitespace-pre-wrap shadow-sm">
-                  {{ selectedHistoryItem.targetText }}
-                </div>
-              </section>
-            </div>
-          </template>
-          <div v-else class="flex-1 flex flex-col items-center justify-center text-slate-300 dark:text-slate-800 p-10 text-center space-y-4">
-             <div class="w-20 h-20 rounded-full bg-slate-50 dark:bg-slate-800/50 flex items-center justify-center">
-                <Clock class="w-10 h-10 opacity-20" />
-             </div>
-             <p class="text-sm font-medium">请从左侧选择一条历史记录查看详情</p>
-          </div>
-        </div>
-      </div>
-
-      <!-- Settings View -->
-      <div v-else-if="view === 'settings'" class="flex-1 flex overflow-hidden bg-slate-100/50 dark:bg-slate-950">
-        <!-- Settings Sidebar (Master) -->
-        <div class="w-64 border-r dark:border-slate-800 flex flex-col bg-white/60 dark:bg-slate-900/40">
-          <div class="p-4 border-b dark:border-slate-800 shrink-0">
-             <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">系统设置</h2>
-          </div>
-          <nav class="flex-1 overflow-y-auto p-3 space-y-1">
-            <button 
-              @click="settingsCategory = 'api'"
-              :class="cn(
-                'w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-colors',
-                settingsCategory === 'api' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800/50'
-              )"
-            >
-              <div :class="cn('p-1.5 rounded-md', settingsCategory === 'api' ? 'bg-blue-100 dark:bg-blue-900/50' : 'bg-slate-100 dark:bg-slate-800')">
-                <Play class="w-4 h-4" />
-              </div>
-              API 与模型
-            </button>
-            <button 
-              @click="settingsCategory = 'general'"
-              :class="cn(
-                'w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-colors',
-                settingsCategory === 'general' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800/50'
-              )"
-            >
-              <div :class="cn('p-1.5 rounded-md', settingsCategory === 'general' ? 'bg-blue-100 dark:bg-blue-900/50' : 'bg-slate-100 dark:bg-slate-800')">
-                <Settings class="w-4 h-4" />
-              </div>
-              常规设置
-            </button>
-            <button 
-              @click="settingsCategory = 'prompts'"
-              :class="cn(
-                'w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-colors',
-                settingsCategory === 'prompts' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800/50'
-              )"
-            >
-              <div :class="cn('p-1.5 rounded-md', settingsCategory === 'prompts' ? 'bg-blue-100 dark:bg-blue-900/50' : 'bg-slate-100 dark:bg-slate-800')">
-                <Type class="w-4 h-4" />
-              </div>
-              提示词工程
-            </button>
-          </nav>
-        </div>
-
-        <!-- Settings Content (Detail) -->
-        <div class="flex-1 overflow-y-auto p-6 md:p-10 custom-scrollbar bg-slate-50/30 dark:bg-transparent">
-          <div class="max-w-3xl mx-auto space-y-8 pb-20">
-            
-            <!-- API & Models -->
-            <template v-if="settingsCategory === 'api'">
-              <div class="mb-6 border-b dark:border-slate-800 pb-4">
-                <h1 class="text-2xl font-bold text-slate-800 dark:text-slate-100">API 与模型</h1>
-                <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">配置与大语言模型通信的接口地址和凭证。</p>
-              </div>
-
-              <section>
-                <div class="flex items-center justify-between mb-4">
-                  <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">当前接口配置</h2>
-                  <div v-if="!isSavingProfile" class="flex items-center gap-2">
-                     <button 
-                      @click="isSavingProfile = true"
-                      class="text-xs flex items-center gap-1.5 text-blue-600 dark:text-blue-400 hover:underline px-2 py-1 rounded"
-                    >
-                      <Save class="w-3.5 h-3.5" />
-                      保存为预设
-                    </button>
-                  </div>
-                  <div v-else class="flex items-center gap-2 bg-white dark:bg-slate-800 p-1 rounded-lg border dark:border-slate-700 shadow-sm animate-in fade-in zoom-in duration-200">
-                    <input 
-                      v-model="newProfileName"
-                      type="text"
-                      placeholder="输入预设名称..."
-                      class="text-xs px-2 py-1 bg-transparent outline-none w-32 dark:text-slate-200"
-                      @keyup.enter="saveCurrentAsProfile"
-                    />
-                    <button 
-                      @click="saveCurrentAsProfile"
-                      :disabled="!newProfileName.trim()"
-                      class="p-1 text-green-600 hover:bg-green-50 dark:hover:bg-green-900/30 rounded disabled:opacity-50"
-                    >
-                      <Check class="w-3.5 h-3.5" />
-                    </button>
-                    <button 
-                      @click="isSavingProfile = false; newProfileName = ''"
-                      class="p-1 text-slate-400 hover:bg-slate-100 dark:hover:bg-slate-700 rounded"
-                    >
-                      <Plus class="w-3.5 h-3.5 rotate-45" />
-                    </button>
-                  </div>
-                </div>
-                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 p-6 space-y-4">
-                  <div class="space-y-2">
-                    <label class="text-sm font-medium text-slate-700 dark:text-slate-300">API Base URL</label>
-                    <input 
-                      v-model="settings.apiBaseUrl"
-                      type="text" 
-                      class="w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-950 focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
-                      placeholder="https://api.openai.com/v1"
-                    />
-                  </div>
-                  <div class="space-y-2">
-                    <label class="text-sm font-medium text-slate-700 dark:text-slate-300">API Key</label>
-                    <input 
-                      v-model="settings.apiKey"
-                      type="password" 
-                      class="w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-950 focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
-                      placeholder="sk-..."
-                    />
-                  </div>
-                  <div class="space-y-2">
-                    <label class="text-sm font-medium text-slate-700 dark:text-slate-300">Model Name</label>
-                    <input 
-                      v-model="settings.modelName"
-                      type="text" 
-                      class="w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-950 focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
-                      placeholder="gpt-3.5-turbo"
-                    />
-                  </div>
-                </div>
-              </section>
-
-              <section>
-                <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider mb-4">API 配置预设库</h2>
-                <div class="bg-slate-200/20 dark:bg-slate-900 rounded-xl shadow-sm border dark:border-slate-800 p-2 space-y-1">
-                  <div v-if="settings.profiles.length === 0" class="p-8 text-center text-sm text-slate-400 dark:text-slate-600 italic">
-                    暂无预设配置。修改上方配置并点击“保存为预设”。
-                  </div>
-                  <div 
-                    v-for="profile in settings.profiles" 
-                    :key="profile.id"
-                    class="p-3 flex items-center justify-between group hover:bg-white dark:hover:bg-slate-800 transition-colors rounded-lg border border-transparent hover:border-slate-200 dark:hover:border-slate-700"
-                  >
-                    <div class="flex flex-col gap-1 min-w-0">
-                      <span class="text-sm font-bold text-slate-700 dark:text-slate-200 truncate">{{ profile.name }}</span>
-                      <div class="flex items-center gap-2 text-[10px] text-slate-500 dark:text-slate-400 font-mono bg-slate-100 dark:bg-slate-950 px-2 py-0.5 rounded w-fit">
-                        <span class="truncate max-w-32">{{ profile.modelName }}</span>
-                        <span class="opacity-30">•</span>
-                        <span class="truncate max-w-48">{{ profile.apiBaseUrl }}</span>
-                      </div>
-                    </div>
-                    <div class="flex items-center gap-2 opacity-0 group-hover:opacity-100 transition-opacity">
-                      <button 
-                        @click="applyProfile(profile)"
-                        class="flex items-center gap-1.5 px-3 py-1.5 bg-blue-50 text-blue-600 hover:bg-blue-100 dark:bg-blue-900/30 dark:text-blue-400 dark:hover:bg-blue-900/50 rounded-lg transition-colors text-xs font-medium shadow-sm"
-                      >
-                        <Play class="w-3 h-3 fill-current" />
-                        应用
-                      </button>
-                      <button 
-                        @click="deleteProfile(profile.id)"
-                        class="p-1.5 text-slate-400 hover:text-red-600 hover:bg-red-50 dark:hover:bg-red-900/30 rounded-lg transition-colors"
-                        title="删除"
-                      >
-                        <Trash2 class="w-4 h-4" />
-                      </button>
-                    </div>
-                  </div>
-                </div>
-              </section>
-            </template>
-
-            <!-- General Settings -->
-            <template v-if="settingsCategory === 'general'">
-              <div class="mb-6 border-b dark:border-slate-800 pb-4">
-                <h1 class="text-2xl font-bold text-slate-800 dark:text-slate-100">常规设置</h1>
-                <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">调整软件的翻译行为和质量审计规则。</p>
-              </div>
-
-              <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 p-6 space-y-6">
-                <!-- Streaming -->
-                <div class="flex items-center justify-between">
-                  <div class="space-y-0.5">
-                    <label class="text-sm font-semibold text-slate-800 dark:text-slate-200">流式输出 (Streaming)</label>
-                    <p class="text-xs text-slate-500 dark:text-slate-400">在模型生成文本时逐字渲染，提升响应速度体验。</p>
-                  </div>
-                  <button 
-                    @click="settings.enableStreaming = !settings.enableStreaming"
-                    :class="cn(
-                      'w-12 h-6 rounded-full transition-colors relative focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 shrink-0',
-                      settings.enableStreaming ? 'bg-blue-600' : 'bg-slate-300 dark:bg-slate-700'
-                    )"
-                  >
-                    <div :class="cn(
-                      'absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-transform shadow-sm',
-                      settings.enableStreaming ? 'translate-x-6' : 'translate-x-0'
-                    )"></div>
-                  </button>
-                </div>
-
-                <div class="h-px bg-slate-100 dark:bg-slate-800"></div>
-
-                <!-- Auto Evaluation -->
-                <div class="flex items-center justify-between">
-                  <div class="space-y-0.5">
-                    <label class="text-sm font-semibold text-slate-800 dark:text-slate-200">自动质量审计 (Auto Evaluation)</label>
-                    <p class="text-xs text-slate-500 dark:text-slate-400">翻译完成后，自动启动一个次级请求来评估翻译的准确度和语气，并提供改进建议。</p>
-                  </div>
-                  <button 
-                    @click="settings.enableEvaluation = !settings.enableEvaluation"
-                    :class="cn(
-                      'w-12 h-6 rounded-full transition-colors relative focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 shrink-0',
-                      settings.enableEvaluation ? 'bg-blue-600' : 'bg-slate-300 dark:bg-slate-700'
-                    )"
-                  >
-                    <div :class="cn(
-                      'absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-transform shadow-sm',
-                      settings.enableEvaluation ? 'translate-x-6' : 'translate-x-0'
-                    )"></div>
-                  </button>
-                </div>
-
-                <div class="h-px bg-slate-100 dark:bg-slate-800"></div>
-
-                <!-- Audit Profile Selector -->
-                <div class="space-y-3">
-                  <div class="space-y-0.5">
-                    <label class="text-sm font-semibold text-slate-800 dark:text-slate-200 flex items-center gap-1.5">
-                      <Settings class="w-4 h-4 text-blue-500" />
-                      独立审计模型配置
-                    </label>
-                    <p class="text-xs text-slate-500 dark:text-slate-400">无论自动或手动审计，都将使用此配置。强烈建议选择更强大的模型以获得精准反馈。</p>
-                  </div>
-                    
-                    <!-- Custom Evaluation Profile Dropdown -->
-                    <div class="relative lang-dropdown w-full max-w-md">
-                      <button 
-                        @click.stop="toggleDropdown('evaluationProfile')"
-                        class="flex items-center justify-between w-full px-4 py-2 border dark:border-slate-700 rounded-xl bg-slate-50 dark:bg-slate-950 hover:bg-slate-100 dark:hover:bg-slate-800 transition-all text-sm text-slate-700 dark:text-slate-200 group shadow-sm"
-                      >
-                        <span class="truncate font-medium">{{ currentEvaluationProfileLabel }}</span>
-                        <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200 group-hover:text-blue-500', evaluationProfileDropdownOpen && 'rotate-180')" />
-                      </button>
-                      
-                      <transition
-                        enter-active-class="transition duration-100 ease-out"
-                        enter-from-class="transform scale-95 opacity-0"
-                        enter-to-class="transform scale-100 opacity-100"
-                        leave-active-class="transition duration-75 ease-in"
-                        leave-from-class="transform scale-100 opacity-100"
-                        leave-to-class="transform scale-95 opacity-0"
-                      >
-                        <div 
-                          v-if="evaluationProfileDropdownOpen"
-                          class="absolute left-0 mt-2 w-full max-h-60 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
-                        >
-                          <button
-                            @click="settings.evaluationProfileId = null; evaluationProfileDropdownOpen = false"
-                            :class="cn(
-                              'px-4 py-3 text-sm text-left transition-colors flex items-center justify-between',
-                              settings.evaluationProfileId === null ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 hover:bg-slate-50 dark:text-slate-300 dark:hover:bg-slate-700/50'
-                            )"
-                          >
-                            <span class="font-semibold">使用当前主翻译配置（不推荐）</span>
-                            <Check v-if="settings.evaluationProfileId === null" class="w-4 h-4" />
-                          </button>
-                          <div class="h-px bg-slate-100 dark:bg-slate-700 my-1 mx-2"></div>
-                          <button
-                            v-for="profile in settings.profiles"
-                            :key="profile.id"
-                            @click="settings.evaluationProfileId = profile.id; evaluationProfileDropdownOpen = false"
-                            :class="cn(
-                              'px-4 py-3 text-sm text-left transition-colors flex items-center justify-between',
-                              settings.evaluationProfileId === profile.id ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
-                            )"
-                          >
-                            <div class="flex flex-col gap-0.5 min-w-0">
-                              <span class="truncate font-semibold">{{ profile.name }}</span>
-                              <span class="text-[10px] opacity-60 font-mono">{{ profile.modelName }}</span>
-                            </div>
-                            <Check v-if="settings.evaluationProfileId === profile.id" class="w-4 h-4 shrink-0" />
-                          </button>
-                        </div>
-                      </transition>
-                    </div>
-                </div>
-
-              </div>
-            </template>
-
-            <!-- Prompt Engineering -->
-            <template v-if="settingsCategory === 'prompts'">
-              <div class="mb-6 border-b dark:border-slate-800 pb-4">
-                <h1 class="text-2xl font-bold text-slate-800 dark:text-slate-100">提示词工程</h1>
-                <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">深度定制 AI 的系统指令，修改变量占位符将改变其核心逻辑。</p>
-              </div>
-
-              <div class="space-y-8">
-                <!-- Translation Prompt -->
-                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 overflow-hidden flex flex-col">
-                  <div class="px-5 py-3 border-b dark:border-slate-800 bg-slate-50 dark:bg-slate-950 flex items-center justify-between">
-                    <div class="flex items-center gap-2">
-                      <div class="w-2 h-2 rounded-full bg-blue-500"></div>
-                      <h3 class="text-sm font-bold text-slate-700 dark:text-slate-200">主翻译系统指令</h3>
-                    </div>
-                    <button @click="settings.systemPromptTemplate = DEFAULT_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline font-medium">恢复默认</button>
-                  </div>
-                  <textarea 
-                    v-model="settings.systemPromptTemplate"
-                    rows="8"
-                    class="w-full p-5 bg-transparent outline-none font-mono text-xs leading-relaxed text-slate-800 dark:text-slate-300 resize-y"
-                    spellcheck="false"
-                  ></textarea>
-                  <div class="px-5 py-3 bg-slate-50 dark:bg-slate-950 border-t dark:border-slate-800">
-                    <p class="text-[10px] font-semibold text-slate-400 uppercase mb-2">可用变量 (Variables)</p>
-                    <div class="flex flex-wrap gap-1.5">
-                      <span v-for="tag in ['{SOURCE_CODE}', '{TARGET_CODE}', '{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}']" :key="tag" class="px-2 py-0.5 bg-white dark:bg-slate-800 text-[10px] font-mono rounded-md border dark:border-slate-700 text-slate-500 shadow-sm">{{ tag }}</span>
-                    </div>
-                  </div>
-                </div>
-
-                <!-- Evaluation Prompt -->
-                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 overflow-hidden flex flex-col">
-                  <div class="px-5 py-3 border-b dark:border-slate-800 bg-slate-50 dark:bg-slate-950 flex items-center justify-between">
-                    <div class="flex items-center gap-2">
-                      <div class="w-2 h-2 rounded-full bg-amber-500"></div>
-                      <h3 class="text-sm font-bold text-slate-700 dark:text-slate-200">质量审计指令 (JSON 输出)</h3>
-                    </div>
-                    <button @click="settings.evaluationPromptTemplate = DEFAULT_EVALUATION_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline font-medium">恢复默认</button>
-                  </div>
-                  <textarea 
-                    v-model="settings.evaluationPromptTemplate"
-                    rows="12"
-                    class="w-full p-5 bg-transparent outline-none font-mono text-xs leading-relaxed text-slate-800 dark:text-slate-300 resize-y"
-                    spellcheck="false"
-                  ></textarea>
-                  <div class="px-5 py-3 bg-slate-50 dark:bg-slate-950 border-t dark:border-slate-800">
-                    <p class="text-[10px] font-semibold text-slate-400 uppercase mb-2">可用变量 (Variables)</p>
-                    <div class="flex flex-wrap gap-1.5">
-                      <span v-for="tag in ['{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}', '{CONTEXT}']" :key="tag" class="px-2 py-0.5 bg-white dark:bg-slate-800 text-[10px] font-mono rounded-md border dark:border-slate-700 text-slate-500 shadow-sm">{{ tag }}</span>
-                    </div>
-                  </div>
-                </div>
-
-                <!-- Refinement Prompt -->
-                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 overflow-hidden flex flex-col">
-                  <div class="px-5 py-3 border-b dark:border-slate-800 bg-slate-50 dark:bg-slate-950 flex items-center justify-between">
-                    <div class="flex items-center gap-2">
-                      <div class="w-2 h-2 rounded-full bg-green-500"></div>
-                      <h3 class="text-sm font-bold text-slate-700 dark:text-slate-200">定向润色指令</h3>
-                    </div>
-                    <button @click="settings.refinementPromptTemplate = DEFAULT_REFINEMENT_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline font-medium">恢复默认</button>
-                  </div>
-                  <textarea 
-                    v-model="settings.refinementPromptTemplate"
-                    rows="8"
-                    class="w-full p-5 bg-transparent outline-none font-mono text-xs leading-relaxed text-slate-800 dark:text-slate-300 resize-y"
-                    spellcheck="false"
-                  ></textarea>
-                  <div class="px-5 py-3 bg-slate-50 dark:bg-slate-950 border-t dark:border-slate-800">
-                    <p class="text-[10px] font-semibold text-slate-400 uppercase mb-2">可用变量 (Variables)</p>
-                    <div class="flex flex-wrap gap-1.5">
-                      <span v-for="tag in ['{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}', '{CONTEXT}']" :key="tag" class="px-2 py-0.5 bg-white dark:bg-slate-800 text-[10px] font-mono rounded-md border dark:border-slate-700 text-slate-500 shadow-sm">{{ tag }}</span>
-                    </div>
-                  </div>
-                </div>
-              </div>
-            </template>
-
-          </div>
-        </div>
-      </div>
-<!-- Logs View -->
-      <div v-else-if="view === 'logs'" class="flex-1 flex overflow-hidden bg-slate-100/50 dark:bg-slate-950">
-        <!-- Logs List (Master) -->
-        <div class="w-80 md:w-96 border-r dark:border-slate-800 flex flex-col bg-white/60 dark:bg-slate-900/40">
-          <div class="p-4 border-b dark:border-slate-800 space-y-3">
-             <div class="flex items-center justify-between">
-              <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">系统日志</h2>
-              <button 
-                @click="settings.logs = []" 
-                class="text-[11px] text-red-500 hover:underline font-medium flex items-center gap-1"
-              >
-                清空全部
-              </button>
-            </div>
-          </div>
-          
-          <div class="flex-1 overflow-y-auto custom-scrollbar p-2 space-y-1">
-            <div v-if="settings.logs.length === 0" class="py-20 text-center space-y-2">
-              <FileText class="w-10 h-10 text-slate-200 dark:text-slate-800 mx-auto" />
-              <p class="text-sm text-slate-400 italic">暂无日志记录</p>
-            </div>
-            <div
-              v-for="log in settings.logs"
-              :key="log.id"
-              @click="selectedLogId = log.id"
-              :class="cn(
-                'w-full p-4 rounded-xl text-left transition-all border group relative cursor-pointer',
-                selectedLogId === log.id 
-                  ? 'bg-blue-50 dark:bg-blue-900/20 border-blue-100 dark:border-blue-900/50 shadow-sm' 
-                  : 'hover:bg-slate-100 dark:hover:bg-slate-800/50 border-transparent'
-              )"
-            >
-              <div class="flex items-center justify-between mb-2">
-                <span 
-                  :class="cn(
-                    'px-2 py-0.5 rounded uppercase font-bold text-[10px]',
-                    log.type === 'request' ? 'bg-blue-100 text-blue-700 dark:bg-blue-900/40 dark:text-blue-300' :
-                    log.type === 'response' ? 'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300' :
-                    'bg-red-100 text-red-700 dark:bg-red-900/40 dark:text-red-300'
-                  )"
-                >{{ log.type === 'request' ? '请求' : log.type === 'response' ? '响应' : '错误' }}</span>
-                <span class="text-[10px] text-slate-400 font-mono">{{ log.timestamp.split(' ')[1] }}</span>
-              </div>
-              <p class="text-[11px] text-slate-500 dark:text-slate-400 line-clamp-2 font-mono leading-relaxed">{{ getLogSummary(log) }}</p>
-            </div>
-          </div>
-        </div>
-
-        <!-- Log Detail (Detail) -->
-        <div class="flex-1 flex flex-col min-w-0 bg-white dark:bg-slate-900">
-          <template v-if="selectedLogItem">
-            <div class="p-6 border-b dark:border-slate-800 flex items-center justify-between shrink-0 bg-slate-50/50 dark:bg-slate-800/20">
-              <div class="flex items-center gap-3">
-                <h2 class="text-lg font-bold text-slate-800 dark:text-slate-100">日志详情</h2>
-                <span class="text-[11px] font-mono text-slate-400 bg-slate-100 dark:bg-slate-800 px-2 py-0.5 rounded">{{ selectedLogItem.timestamp }}</span>
-                <span 
-                  :class="cn(
-                    'px-2 py-0.5 rounded uppercase font-bold text-[10px]',
-                    selectedLogItem.type === 'request' ? 'bg-blue-100 text-blue-700 dark:bg-blue-900/40 dark:text-blue-300' :
-                    selectedLogItem.type === 'response' ? 'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300' :
-                    'bg-red-100 text-red-700 dark:bg-red-900/40 dark:text-red-300'
-                  )"
-                >{{ selectedLogItem.type === 'request' ? 'Request' : selectedLogItem.type === 'response' ? 'Response' : 'Error' }}</span>
-              </div>
-              <button 
-                @click="copyWithFeedback(typeof selectedLogItem.content === 'object' ? JSON.stringify(selectedLogItem.content, null, 2) : String(selectedLogItem.content), `log-${selectedLogItem.id}`)"
-                class="flex items-center gap-2 px-3 py-2 text-xs font-medium text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800 rounded-lg transition-colors border border-slate-200 dark:border-slate-700"
-              >
-                <Check v-if="activeCopyId === `log-${selectedLogItem.id}`" class="w-4 h-4 text-green-600" />
-                <Copy v-else class="w-4 h-4" />
-                复制内容
-              </button>
-            </div>
-
-            <div class="flex-1 overflow-auto p-6 bg-slate-50/30 dark:bg-slate-900/50 custom-scrollbar">
-               <pre class="font-mono text-xs leading-relaxed text-slate-700 dark:text-slate-300 whitespace-pre-wrap break-all">{{ typeof selectedLogItem.content === 'object' ? JSON.stringify(selectedLogItem.content, null, 2) : selectedLogItem.content }}</pre>
-            </div>
-          </template>
-          <div v-else class="flex-1 flex flex-col items-center justify-center text-slate-300 dark:text-slate-800 p-10 text-center space-y-4">
-             <div class="w-20 h-20 rounded-full bg-slate-50 dark:bg-slate-800/50 flex items-center justify-center">
-                <FileText class="w-10 h-10 opacity-20" />
-             </div>
-             <p class="text-sm font-medium">请从左侧选择一条日志查看详情</p>
-          </div>
-        </div>
-      </div>
+      <!-- Container for isolated views with keep-alive -->
+      <keep-alive>
+        <TranslationView v-if="view === 'translate'" />
+        <SettingsView v-else-if="view === 'settings'" />
+        <LogsView v-else-if="view === 'logs'" />
+        <HistoryView v-else-if="view === 'history'" />
+      </keep-alive>
     </main>
 
     <!-- Footer -->
diff --git a/src/components/HistoryView.vue b/src/components/HistoryView.vue
new file mode 100644
index 0000000..f075b05
--- /dev/null
+++ b/src/components/HistoryView.vue
@@ -0,0 +1,197 @@
+<script setup lang="ts">
+import { ref, computed, watch } from 'vue';
+import { Clock, Search, ArrowRightLeft, Trash2, User, Type, Copy, Check, FileText } from 'lucide-vue-next';
+import { useSettingsStore, SPEAKER_IDENTITY_OPTIONS, TONE_REGISTER_OPTIONS } from '../stores/settings';
+import { cn } from '../lib/utils';
+import { useClipboard } from '../composables/useClipboard';
+
+const settings = useSettingsStore();
+const { activeCopyId, copyWithFeedback } = useClipboard();
+
+const searchQuery = ref('');
+const selectedHistoryId = ref<string | null>(null);
+
+const filteredHistory = computed(() => {
+  if (!searchQuery.value.trim()) return settings.history;
+  const q = searchQuery.value.toLowerCase();
+  return settings.history.filter(h => 
+    h.sourceText.toLowerCase().includes(q) || 
+    h.targetText.toLowerCase().includes(q)
+  );
+});
+
+const selectedHistoryItem = computed(() => 
+  settings.history.find(h => h.id === selectedHistoryId.value) || null
+);
+
+watch(filteredHistory, (newVal) => {
+  if (newVal.length > 0 && !selectedHistoryId.value) {
+    selectedHistoryId.value = newVal[0].id;
+  }
+}, { immediate: true });
+
+const deleteHistoryItem = (id: string) => {
+  settings.history = settings.history.filter(h => h.id !== id);
+  if (selectedHistoryId.value === id) {
+    selectedHistoryId.value = filteredHistory.value[0]?.id || null;
+  }
+};
+</script>
+<template>
+<!-- History View -->
+      <div  class="flex-1 flex overflow-hidden bg-slate-100/50 dark:bg-slate-950">
+        <!-- History List (Master) -->
+        <div class="w-80 md:w-96 border-r dark:border-slate-800 flex flex-col bg-white/60 dark:bg-slate-900/40">
+          <div class="p-4 border-b dark:border-slate-800 space-y-3">
+            <div class="relative group">
+              <Search class="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-slate-400 group-focus-within:text-blue-500 transition-colors" />
+              <input 
+                v-model="searchQuery"
+                type="text"
+                placeholder="搜索历史记录..."
+                class="w-full pl-9 pr-4 py-2 bg-slate-100 dark:bg-slate-800 border-none rounded-lg text-sm outline-none focus:ring-2 focus:ring-blue-500/20 transition-all dark:text-slate-200"
+              />
+            </div>
+            <div class="flex items-center justify-between px-1">
+              <span class="text-[11px] font-bold text-slate-400 uppercase tracking-wider">共 {{ filteredHistory.length }} 条记录</span>
+              <button 
+                @click="settings.history = []"
+                class="text-[11px] text-red-500 hover:underline font-medium"
+              >清空全部</button>
+            </div>
+          </div>
+          
+          <div class="flex-1 overflow-y-auto custom-scrollbar p-2 space-y-1">
+            <div v-if="filteredHistory.length === 0" class="py-20 text-center space-y-2">
+              <Clock class="w-10 h-10 text-slate-200 dark:text-slate-800 mx-auto" />
+              <p class="text-sm text-slate-400 italic">暂无相关历史</p>
+            </div>
+            <div
+              v-for="item in filteredHistory"
+              :key="item.id"
+              @click="selectedHistoryId = item.id"
+              :class="cn(
+                'w-full p-4 rounded-xl text-left transition-all border group relative cursor-pointer',
+                selectedHistoryId === item.id 
+                  ? 'bg-blue-50 dark:bg-blue-900/20 border-blue-100 dark:border-blue-900/50 shadow-sm' 
+                  : 'hover:bg-slate-100 dark:hover:bg-slate-800/50 border-transparent'
+              )"
+            >
+              <div class="flex items-center justify-between mb-2">
+                <div class="flex items-center gap-1.5">
+                  <span class="text-[10px] font-bold px-1.5 py-0.5 rounded bg-slate-200 dark:bg-slate-800 text-slate-500 dark:text-slate-400 uppercase">{{ item.sourceLang.code }}</span>
+                  <ArrowRightLeft class="w-3 h-3 text-slate-300" />
+                  <span class="text-[10px] font-bold px-1.5 py-0.5 rounded bg-blue-100 dark:bg-blue-900/40 text-blue-600 dark:text-blue-400 uppercase">{{ item.targetLang.code }}</span>
+                </div>
+                <span class="text-[10px] text-slate-400 font-mono">{{ item.timestamp.split(' ')[1].substring(0, 5) }}</span>
+              </div>
+              <p class="text-xs text-slate-700 dark:text-slate-200 font-medium line-clamp-2 leading-relaxed mb-1">{{ item.sourceText }}</p>
+              <p class="text-[11px] text-slate-400 dark:text-slate-500 line-clamp-1 italic">{{ item.targetText }}</p>
+              
+              <button 
+                @click.stop="deleteHistoryItem(item.id)"
+                class="absolute right-2 bottom-2 p-1.5 rounded-md text-red-400 opacity-0 group-hover:opacity-100 hover:bg-red-50 dark:hover:bg-red-900/30 transition-all"
+                title="删除此记录"
+              >
+                <Trash2 class="w-3.5 h-3.5" />
+              </button>
+            </div>
+          </div>
+        </div>
+
+        <!-- History Detail (Detail) -->
+        <div class="flex-1 flex flex-col min-w-0 bg-white dark:bg-slate-900">
+          <template v-if="selectedHistoryItem">
+            <div class="p-6 border-b dark:border-slate-800 flex items-center justify-between shrink-0 bg-slate-50/50 dark:bg-slate-800/20">
+              <div class="flex flex-col gap-1">
+                <div class="flex items-center gap-3">
+                  <h2 class="text-lg font-bold text-slate-800 dark:text-slate-100">翻译详情</h2>
+                  <span class="text-[11px] font-mono text-slate-400 bg-slate-100 dark:bg-slate-800 px-2 py-0.5 rounded">{{ selectedHistoryItem.timestamp }}</span>
+                </div>
+                <div class="flex items-center gap-3 text-xs text-slate-500">
+                  <div class="flex items-center gap-1">
+                    <User class="w-3 h-3" />
+                    {{ SPEAKER_IDENTITY_OPTIONS.find(o => o.value === (selectedHistoryItem?.speakerIdentity))?.label || selectedHistoryItem?.speakerIdentity }}
+                  </div>
+                  <span>•</span>
+                  <div class="flex items-center gap-1">
+                    <Type class="w-3 h-3" />
+                    {{ TONE_REGISTER_OPTIONS.find(o => o.value === (selectedHistoryItem?.toneRegister))?.label || selectedHistoryItem?.toneRegister }}
+                  </div>
+                  <span>•</span>
+                  <div class="font-mono text-[10px]">{{ selectedHistoryItem.modelName }}</div>
+                </div>
+              </div>
+              <div class="flex items-center gap-2">
+                 <button 
+                    @click="deleteHistoryItem(selectedHistoryItem.id)"
+                    class="flex items-center gap-2 px-3 py-2 text-xs font-medium text-red-600 hover:bg-red-50 dark:hover:bg-red-900/30 rounded-lg transition-colors"
+                  >
+                    <Trash2 class="w-4 h-4" />
+                    删除记录
+                  </button>
+              </div>
+            </div>
+
+            <div class="flex-1 overflow-y-auto p-8 space-y-10 custom-scrollbar">
+              <!-- Source -->
+              <section class="space-y-4">
+                <div class="flex items-center justify-between">
+                  <div class="flex items-center gap-2">
+                    <div class="w-1.5 h-4 bg-slate-300 dark:bg-slate-700 rounded-full"></div>
+                    <h3 class="text-xs font-black text-slate-400 uppercase tracking-widest">{{ selectedHistoryItem.sourceLang.displayName }} (原文)</h3>
+                  </div>
+                  <button 
+                    @click="copyWithFeedback(selectedHistoryItem.sourceText, `history-source-${selectedHistoryItem.id}`)"
+                    class="p-2 hover:bg-slate-100 dark:hover:bg-slate-800 rounded-lg text-slate-400 transition-colors"
+                  >
+                    <Check v-if="activeCopyId === `history-source-${selectedHistoryItem.id}`" class="w-4 h-4 text-green-600" />
+                    <Copy v-else class="w-4 h-4" />
+                  </button>
+                </div>
+                <div class="bg-slate-50 dark:bg-slate-800/30 p-6 rounded-2xl border border-slate-100 dark:border-slate-800 text-lg leading-relaxed text-slate-700 dark:text-slate-200 whitespace-pre-wrap">
+                  {{ selectedHistoryItem.sourceText }}
+                </div>
+              </section>
+
+              <!-- Context if exists -->
+              <section v-if="selectedHistoryItem.context" class="space-y-4">
+                 <div class="flex items-center gap-2">
+                    <FileText class="w-4 h-4 text-slate-300" />
+                    <h3 class="text-xs font-black text-slate-400 uppercase tracking-widest">情景背景</h3>
+                  </div>
+                  <div class="bg-amber-50/30 dark:bg-amber-900/10 p-4 rounded-xl border border-amber-100/50 dark:border-amber-900/20 text-sm italic text-slate-500 dark:text-slate-400 leading-relaxed">
+                    {{ selectedHistoryItem.context }}
+                  </div>
+              </section>
+
+              <!-- Target -->
+              <section class="space-y-4">
+                <div class="flex items-center justify-between">
+                  <div class="flex items-center gap-2">
+                    <div class="w-1.5 h-4 bg-blue-500 rounded-full"></div>
+                    <h3 class="text-xs font-black text-blue-500/60 uppercase tracking-widest">{{ selectedHistoryItem.targetLang.displayName }} (译文)</h3>
+                  </div>
+                  <button 
+                    @click="copyWithFeedback(selectedHistoryItem.targetText, `history-target-${selectedHistoryItem.id}`)"
+                    class="p-2 bg-blue-50 dark:bg-blue-900/30 hover:bg-blue-100 dark:hover:bg-blue-900/50 rounded-lg text-blue-600 dark:text-blue-400 transition-colors"
+                  >
+                    <Check v-if="activeCopyId === `history-target-${selectedHistoryItem.id}`" class="w-4 h-4 text-green-600" />
+                    <Copy v-else class="w-4 h-4" />
+                  </button>
+                </div>
+                <div class="bg-blue-50/20 dark:bg-blue-900/10 p-6 rounded-2xl border border-blue-100/50 dark:border-blue-900/20 text-xl leading-relaxed font-medium text-slate-800 dark:text-slate-100 whitespace-pre-wrap shadow-sm">
+                  {{ selectedHistoryItem.targetText }}
+                </div>
+              </section>
+            </div>
+          </template>
+          <div v-else class="flex-1 flex flex-col items-center justify-center text-slate-300 dark:text-slate-800 p-10 text-center space-y-4">
+             <div class="w-20 h-20 rounded-full bg-slate-50 dark:bg-slate-800/50 flex items-center justify-center">
+                <Clock class="w-10 h-10 opacity-20" />
+             </div>
+             <p class="text-sm font-medium">请从左侧选择一条历史记录查看详情</p>
+          </div>
+        </div>
+      </div>
+</template>
\ No newline at end of file
diff --git a/src/components/LogsView.vue b/src/components/LogsView.vue
new file mode 100644
index 0000000..7a41b3b
--- /dev/null
+++ b/src/components/LogsView.vue
@@ -0,0 +1,117 @@
+<script setup lang="ts">
+import { ref, computed, watch } from 'vue';
+import { FileText, Check, Copy } from 'lucide-vue-next';
+import { useSettingsStore } from '../stores/settings';
+import { cn } from '../lib/utils';
+import { useClipboard } from '../composables/useClipboard';
+
+const settings = useSettingsStore();
+const { activeCopyId, copyWithFeedback } = useClipboard();
+
+const selectedLogId = ref<string | null>(null);
+const selectedLogItem = computed(() => 
+  settings.logs.find(l => l.id === selectedLogId.value) || null
+);
+
+watch(() => settings.logs, (newVal) => {
+  if (newVal.length > 0 && !selectedLogId.value) {
+    selectedLogId.value = newVal[0].id;
+  }
+}, { immediate: true });
+
+const getLogSummary = (log: any) => {
+  if (log.type === 'error') return String(log.content);
+  if (typeof log.content === 'string') return log.content;
+  if (log.content && log.content.model) return `Model: ${log.content.model}`;
+  if (log.content && log.content.score) return `Score: ${log.content.score}`;
+  return 'JSON Data';
+};
+</script>
+<template>
+<!-- Logs View -->
+      <div  class="flex-1 flex overflow-hidden bg-slate-100/50 dark:bg-slate-950">
+        <!-- Logs List (Master) -->
+        <div class="w-80 md:w-96 border-r dark:border-slate-800 flex flex-col bg-white/60 dark:bg-slate-900/40">
+          <div class="p-4 border-b dark:border-slate-800 space-y-3">
+             <div class="flex items-center justify-between">
+              <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">系统日志</h2>
+              <button 
+                @click="settings.logs = []" 
+                class="text-[11px] text-red-500 hover:underline font-medium flex items-center gap-1"
+              >
+                清空全部
+              </button>
+            </div>
+          </div>
+          
+          <div class="flex-1 overflow-y-auto custom-scrollbar p-2 space-y-1">
+            <div v-if="settings.logs.length === 0" class="py-20 text-center space-y-2">
+              <FileText class="w-10 h-10 text-slate-200 dark:text-slate-800 mx-auto" />
+              <p class="text-sm text-slate-400 italic">暂无日志记录</p>
+            </div>
+            <div
+              v-for="log in settings.logs"
+              :key="log.id"
+              @click="selectedLogId = log.id"
+              :class="cn(
+                'w-full p-4 rounded-xl text-left transition-all border group relative cursor-pointer',
+                selectedLogId === log.id 
+                  ? 'bg-blue-50 dark:bg-blue-900/20 border-blue-100 dark:border-blue-900/50 shadow-sm' 
+                  : 'hover:bg-slate-100 dark:hover:bg-slate-800/50 border-transparent'
+              )"
+            >
+              <div class="flex items-center justify-between mb-2">
+                <span 
+                  :class="cn(
+                    'px-2 py-0.5 rounded uppercase font-bold text-[10px]',
+                    log.type === 'request' ? 'bg-blue-100 text-blue-700 dark:bg-blue-900/40 dark:text-blue-300' :
+                    log.type === 'response' ? 'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300' :
+                    'bg-red-100 text-red-700 dark:bg-red-900/40 dark:text-red-300'
+                  )"
+                >{{ log.type === 'request' ? '请求' : log.type === 'response' ? '响应' : '错误' }}</span>
+                <span class="text-[10px] text-slate-400 font-mono">{{ log.timestamp.split(' ')[1] }}</span>
+              </div>
+              <p class="text-[11px] text-slate-500 dark:text-slate-400 line-clamp-2 font-mono leading-relaxed">{{ getLogSummary(log) }}</p>
+            </div>
+          </div>
+        </div>
+
+        <!-- Log Detail (Detail) -->
+        <div class="flex-1 flex flex-col min-w-0 bg-white dark:bg-slate-900">
+          <template v-if="selectedLogItem">
+            <div class="p-6 border-b dark:border-slate-800 flex items-center justify-between shrink-0 bg-slate-50/50 dark:bg-slate-800/20">
+              <div class="flex items-center gap-3">
+                <h2 class="text-lg font-bold text-slate-800 dark:text-slate-100">日志详情</h2>
+                <span class="text-[11px] font-mono text-slate-400 bg-slate-100 dark:bg-slate-800 px-2 py-0.5 rounded">{{ selectedLogItem.timestamp }}</span>
+                <span 
+                  :class="cn(
+                    'px-2 py-0.5 rounded uppercase font-bold text-[10px]',
+                    selectedLogItem.type === 'request' ? 'bg-blue-100 text-blue-700 dark:bg-blue-900/40 dark:text-blue-300' :
+                    selectedLogItem.type === 'response' ? 'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300' :
+                    'bg-red-100 text-red-700 dark:bg-red-900/40 dark:text-red-300'
+                  )"
+                >{{ selectedLogItem.type === 'request' ? 'Request' : selectedLogItem.type === 'response' ? 'Response' : 'Error' }}</span>
+              </div>
+              <button 
+                @click="copyWithFeedback(typeof selectedLogItem.content === 'object' ? JSON.stringify(selectedLogItem.content, null, 2) : String(selectedLogItem.content), `log-${selectedLogItem.id}`)"
+                class="flex items-center gap-2 px-3 py-2 text-xs font-medium text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800 rounded-lg transition-colors border border-slate-200 dark:border-slate-700"
+              >
+                <Check v-if="activeCopyId === `log-${selectedLogItem.id}`" class="w-4 h-4 text-green-600" />
+                <Copy v-else class="w-4 h-4" />
+                复制内容
+              </button>
+            </div>
+
+            <div class="flex-1 overflow-auto p-6 bg-slate-50/30 dark:bg-slate-900/50 custom-scrollbar">
+               <pre class="font-mono text-xs leading-relaxed text-slate-700 dark:text-slate-300 whitespace-pre-wrap break-all">{{ typeof selectedLogItem.content === 'object' ? JSON.stringify(selectedLogItem.content, null, 2) : selectedLogItem.content }}</pre>
+            </div>
+          </template>
+          <div v-else class="flex-1 flex flex-col items-center justify-center text-slate-300 dark:text-slate-800 p-10 text-center space-y-4">
+             <div class="w-20 h-20 rounded-full bg-slate-50 dark:bg-slate-800/50 flex items-center justify-center">
+                <FileText class="w-10 h-10 opacity-20" />
+             </div>
+             <p class="text-sm font-medium">请从左侧选择一条日志查看详情</p>
+          </div>
+        </div>
+      </div>
+</template>
\ No newline at end of file
diff --git a/src/components/SettingsView.vue b/src/components/SettingsView.vue
new file mode 100644
index 0000000..7a80d91
--- /dev/null
+++ b/src/components/SettingsView.vue
@@ -0,0 +1,423 @@
+<script setup lang="ts">
+import { ref, computed, onMounted, onUnmounted } from 'vue';
+import { Play, Settings, Type, Save, Check, Plus, Trash2, ChevronDown } from 'lucide-vue-next';
+import { useSettingsStore, DEFAULT_TEMPLATE, DEFAULT_EVALUATION_TEMPLATE, DEFAULT_REFINEMENT_TEMPLATE, type ApiProfile } from '../stores/settings';
+import { cn } from '../lib/utils';
+
+const settings = useSettingsStore();
+const settingsCategory = ref<'api' | 'general' | 'prompts'>('api');
+
+const newProfileName = ref('');
+const isSavingProfile = ref(false);
+
+const saveCurrentAsProfile = () => {
+  if (!newProfileName.value.trim()) return;
+  const newProfile: ApiProfile = {
+    id: crypto.randomUUID(),
+    name: newProfileName.value.trim(),
+    apiBaseUrl: settings.apiBaseUrl,
+    apiKey: settings.apiKey,
+    modelName: settings.modelName
+  };
+  settings.profiles.push(newProfile);
+  newProfileName.value = '';
+  isSavingProfile.value = false;
+};
+
+const applyProfile = (p: ApiProfile) => {
+  settings.apiBaseUrl = p.apiBaseUrl;
+  settings.apiKey = p.apiKey;
+  settings.modelName = p.modelName;
+};
+
+const deleteProfile = (id: string) => {
+  settings.profiles = settings.profiles.filter(p => p.id !== id);
+};
+
+const evaluationProfileDropdownOpen = ref(false);
+const toggleDropdown = (type: string) => {
+  if (type === 'evaluationProfile') evaluationProfileDropdownOpen.value = !evaluationProfileDropdownOpen.value;
+};
+
+const currentEvaluationProfileLabel = computed(() => {
+  if (!settings.evaluationProfileId) return '使用主翻译配置（默认）';
+  const profile = settings.profiles.find(p => p.id === settings.evaluationProfileId);
+  return profile ? `${profile.name} — ${profile.modelName}` : '使用主翻译配置（默认）';
+});
+
+const handleGlobalClick = (e: MouseEvent) => {
+  const target = e.target as HTMLElement;
+  if (!target.closest('.lang-dropdown')) {
+    evaluationProfileDropdownOpen.value = false;
+  }
+};
+
+onMounted(() => window.addEventListener('click', handleGlobalClick));
+onUnmounted(() => window.removeEventListener('click', handleGlobalClick));
+</script>
+<template>
+<!-- Settings View -->
+      <div  class="flex-1 flex overflow-hidden bg-slate-100/50 dark:bg-slate-950">
+        <!-- Settings Sidebar (Master) -->
+        <div class="w-64 border-r dark:border-slate-800 flex flex-col bg-white/60 dark:bg-slate-900/40">
+          <div class="p-4 border-b dark:border-slate-800 shrink-0">
+             <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">系统设置</h2>
+          </div>
+          <nav class="flex-1 overflow-y-auto p-3 space-y-1">
+            <button 
+              @click="settingsCategory = 'api'"
+              :class="cn(
+                'w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-colors',
+                settingsCategory === 'api' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800/50'
+              )"
+            >
+              <div :class="cn('p-1.5 rounded-md', settingsCategory === 'api' ? 'bg-blue-100 dark:bg-blue-900/50' : 'bg-slate-100 dark:bg-slate-800')">
+                <Play class="w-4 h-4" />
+              </div>
+              API 与模型
+            </button>
+            <button 
+              @click="settingsCategory = 'general'"
+              :class="cn(
+                'w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-colors',
+                settingsCategory === 'general' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800/50'
+              )"
+            >
+              <div :class="cn('p-1.5 rounded-md', settingsCategory === 'general' ? 'bg-blue-100 dark:bg-blue-900/50' : 'bg-slate-100 dark:bg-slate-800')">
+                <Settings class="w-4 h-4" />
+              </div>
+              常规设置
+            </button>
+            <button 
+              @click="settingsCategory = 'prompts'"
+              :class="cn(
+                'w-full flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium transition-colors',
+                settingsCategory === 'prompts' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800/50'
+              )"
+            >
+              <div :class="cn('p-1.5 rounded-md', settingsCategory === 'prompts' ? 'bg-blue-100 dark:bg-blue-900/50' : 'bg-slate-100 dark:bg-slate-800')">
+                <Type class="w-4 h-4" />
+              </div>
+              提示词工程
+            </button>
+          </nav>
+        </div>
+
+        <!-- Settings Content (Detail) -->
+        <div class="flex-1 overflow-y-auto p-6 md:p-10 custom-scrollbar bg-slate-50/30 dark:bg-transparent">
+          <div class="max-w-3xl mx-auto space-y-8 pb-20">
+            
+            <!-- API & Models -->
+            <template v-if="settingsCategory === 'api'">
+              <div class="mb-6 border-b dark:border-slate-800 pb-4">
+                <h1 class="text-2xl font-bold text-slate-800 dark:text-slate-100">API 与模型</h1>
+                <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">配置与大语言模型通信的接口地址和凭证。</p>
+              </div>
+
+              <section>
+                <div class="flex items-center justify-between mb-4">
+                  <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">当前接口配置</h2>
+                  <div v-if="!isSavingProfile" class="flex items-center gap-2">
+                     <button 
+                      @click="isSavingProfile = true"
+                      class="text-xs flex items-center gap-1.5 text-blue-600 dark:text-blue-400 hover:underline px-2 py-1 rounded"
+                    >
+                      <Save class="w-3.5 h-3.5" />
+                      保存为预设
+                    </button>
+                  </div>
+                  <div v-else class="flex items-center gap-2 bg-white dark:bg-slate-800 p-1 rounded-lg border dark:border-slate-700 shadow-sm animate-in fade-in zoom-in duration-200">
+                    <input 
+                      v-model="newProfileName"
+                      type="text"
+                      placeholder="输入预设名称..."
+                      class="text-xs px-2 py-1 bg-transparent outline-none w-32 dark:text-slate-200"
+                      @keyup.enter="saveCurrentAsProfile"
+                    />
+                    <button 
+                      @click="saveCurrentAsProfile"
+                      :disabled="!newProfileName.trim()"
+                      class="p-1 text-green-600 hover:bg-green-50 dark:hover:bg-green-900/30 rounded disabled:opacity-50"
+                    >
+                      <Check class="w-3.5 h-3.5" />
+                    </button>
+                    <button 
+                      @click="isSavingProfile = false; newProfileName = ''"
+                      class="p-1 text-slate-400 hover:bg-slate-100 dark:hover:bg-slate-700 rounded"
+                    >
+                      <Plus class="w-3.5 h-3.5 rotate-45" />
+                    </button>
+                  </div>
+                </div>
+                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 p-6 space-y-4">
+                  <div class="space-y-2">
+                    <label class="text-sm font-medium text-slate-700 dark:text-slate-300">API Base URL</label>
+                    <input 
+                      v-model="settings.apiBaseUrl"
+                      type="text" 
+                      class="w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-950 focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
+                      placeholder="https://api.openai.com/v1"
+                    />
+                  </div>
+                  <div class="space-y-2">
+                    <label class="text-sm font-medium text-slate-700 dark:text-slate-300">API Key</label>
+                    <input 
+                      v-model="settings.apiKey"
+                      type="password" 
+                      class="w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-950 focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
+                      placeholder="sk-..."
+                    />
+                  </div>
+                  <div class="space-y-2">
+                    <label class="text-sm font-medium text-slate-700 dark:text-slate-300">Model Name</label>
+                    <input 
+                      v-model="settings.modelName"
+                      type="text" 
+                      class="w-full px-4 py-2.5 border dark:border-slate-700 rounded-xl bg-slate-50/50 dark:bg-slate-950 focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
+                      placeholder="gpt-3.5-turbo"
+                    />
+                  </div>
+                </div>
+              </section>
+
+              <section>
+                <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider mb-4">API 配置预设库</h2>
+                <div class="bg-slate-200/20 dark:bg-slate-900 rounded-xl shadow-sm border dark:border-slate-800 p-2 space-y-1">
+                  <div v-if="settings.profiles.length === 0" class="p-8 text-center text-sm text-slate-400 dark:text-slate-600 italic">
+                    暂无预设配置。修改上方配置并点击“保存为预设”。
+                  </div>
+                  <div 
+                    v-for="profile in settings.profiles" 
+                    :key="profile.id"
+                    class="p-3 flex items-center justify-between group hover:bg-white dark:hover:bg-slate-800 transition-colors rounded-lg border border-transparent hover:border-slate-200 dark:hover:border-slate-700"
+                  >
+                    <div class="flex flex-col gap-1 min-w-0">
+                      <span class="text-sm font-bold text-slate-700 dark:text-slate-200 truncate">{{ profile.name }}</span>
+                      <div class="flex items-center gap-2 text-[10px] text-slate-500 dark:text-slate-400 font-mono bg-slate-100 dark:bg-slate-950 px-2 py-0.5 rounded w-fit">
+                        <span class="truncate max-w-32">{{ profile.modelName }}</span>
+                        <span class="opacity-30">•</span>
+                        <span class="truncate max-w-48">{{ profile.apiBaseUrl }}</span>
+                      </div>
+                    </div>
+                    <div class="flex items-center gap-2 opacity-0 group-hover:opacity-100 transition-opacity">
+                      <button 
+                        @click="applyProfile(profile)"
+                        class="flex items-center gap-1.5 px-3 py-1.5 bg-blue-50 text-blue-600 hover:bg-blue-100 dark:bg-blue-900/30 dark:text-blue-400 dark:hover:bg-blue-900/50 rounded-lg transition-colors text-xs font-medium shadow-sm"
+                      >
+                        <Play class="w-3 h-3 fill-current" />
+                        应用
+                      </button>
+                      <button 
+                        @click="deleteProfile(profile.id)"
+                        class="p-1.5 text-slate-400 hover:text-red-600 hover:bg-red-50 dark:hover:bg-red-900/30 rounded-lg transition-colors"
+                        title="删除"
+                      >
+                        <Trash2 class="w-4 h-4" />
+                      </button>
+                    </div>
+                  </div>
+                </div>
+              </section>
+            </template>
+
+            <!-- General Settings -->
+            <template v-if="settingsCategory === 'general'">
+              <div class="mb-6 border-b dark:border-slate-800 pb-4">
+                <h1 class="text-2xl font-bold text-slate-800 dark:text-slate-100">常规设置</h1>
+                <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">调整软件的翻译行为和质量审计规则。</p>
+              </div>
+
+              <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 p-6 space-y-6">
+                <!-- Streaming -->
+                <div class="flex items-center justify-between">
+                  <div class="space-y-0.5">
+                    <label class="text-sm font-semibold text-slate-800 dark:text-slate-200">流式输出 (Streaming)</label>
+                    <p class="text-xs text-slate-500 dark:text-slate-400">在模型生成文本时逐字渲染，提升响应速度体验。</p>
+                  </div>
+                  <button 
+                    @click="settings.enableStreaming = !settings.enableStreaming"
+                    :class="cn(
+                      'w-12 h-6 rounded-full transition-colors relative focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 shrink-0',
+                      settings.enableStreaming ? 'bg-blue-600' : 'bg-slate-300 dark:bg-slate-700'
+                    )"
+                  >
+                    <div :class="cn(
+                      'absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-transform shadow-sm',
+                      settings.enableStreaming ? 'translate-x-6' : 'translate-x-0'
+                    )"></div>
+                  </button>
+                </div>
+
+                <div class="h-px bg-slate-100 dark:bg-slate-800"></div>
+
+                <!-- Auto Evaluation -->
+                <div class="flex items-center justify-between">
+                  <div class="space-y-0.5">
+                    <label class="text-sm font-semibold text-slate-800 dark:text-slate-200">自动质量审计 (Auto Evaluation)</label>
+                    <p class="text-xs text-slate-500 dark:text-slate-400">翻译完成后，自动启动一个次级请求来评估翻译的准确度和语气，并提供改进建议。</p>
+                  </div>
+                  <button 
+                    @click="settings.enableEvaluation = !settings.enableEvaluation"
+                    :class="cn(
+                      'w-12 h-6 rounded-full transition-colors relative focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 shrink-0',
+                      settings.enableEvaluation ? 'bg-blue-600' : 'bg-slate-300 dark:bg-slate-700'
+                    )"
+                  >
+                    <div :class="cn(
+                      'absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-transform shadow-sm',
+                      settings.enableEvaluation ? 'translate-x-6' : 'translate-x-0'
+                    )"></div>
+                  </button>
+                </div>
+
+                <div class="h-px bg-slate-100 dark:bg-slate-800"></div>
+
+                <!-- Audit Profile Selector -->
+                <div class="space-y-3">
+                  <div class="space-y-0.5">
+                    <label class="text-sm font-semibold text-slate-800 dark:text-slate-200 flex items-center gap-1.5">
+                      <Settings class="w-4 h-4 text-blue-500" />
+                      独立审计模型配置
+                    </label>
+                    <p class="text-xs text-slate-500 dark:text-slate-400">无论自动或手动审计，都将使用此配置。强烈建议选择更强大的模型以获得精准反馈。</p>
+                  </div>
+                    
+                    <!-- Custom Evaluation Profile Dropdown -->
+                    <div class="relative lang-dropdown w-full max-w-md">
+                      <button 
+                        @click.stop="toggleDropdown('evaluationProfile')"
+                        class="flex items-center justify-between w-full px-4 py-2 border dark:border-slate-700 rounded-xl bg-slate-50 dark:bg-slate-950 hover:bg-slate-100 dark:hover:bg-slate-800 transition-all text-sm text-slate-700 dark:text-slate-200 group shadow-sm"
+                      >
+                        <span class="truncate font-medium">{{ currentEvaluationProfileLabel }}</span>
+                        <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200 group-hover:text-blue-500', evaluationProfileDropdownOpen && 'rotate-180')" />
+                      </button>
+                      
+                      <transition
+                        enter-active-class="transition duration-100 ease-out"
+                        enter-from-class="transform scale-95 opacity-0"
+                        enter-to-class="transform scale-100 opacity-100"
+                        leave-active-class="transition duration-75 ease-in"
+                        leave-from-class="transform scale-100 opacity-100"
+                        leave-to-class="transform scale-95 opacity-0"
+                      >
+                        <div 
+                          v-if="evaluationProfileDropdownOpen"
+                          class="absolute left-0 mt-2 w-full max-h-60 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
+                        >
+                          <button
+                            @click="settings.evaluationProfileId = null; evaluationProfileDropdownOpen = false"
+                            :class="cn(
+                              'px-4 py-3 text-sm text-left transition-colors flex items-center justify-between',
+                              settings.evaluationProfileId === null ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 hover:bg-slate-50 dark:text-slate-300 dark:hover:bg-slate-700/50'
+                            )"
+                          >
+                            <span class="font-semibold">使用当前主翻译配置（不推荐）</span>
+                            <Check v-if="settings.evaluationProfileId === null" class="w-4 h-4" />
+                          </button>
+                          <div class="h-px bg-slate-100 dark:bg-slate-700 my-1 mx-2"></div>
+                          <button
+                            v-for="profile in settings.profiles"
+                            :key="profile.id"
+                            @click="settings.evaluationProfileId = profile.id; evaluationProfileDropdownOpen = false"
+                            :class="cn(
+                              'px-4 py-3 text-sm text-left transition-colors flex items-center justify-between',
+                              settings.evaluationProfileId === profile.id ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
+                            )"
+                          >
+                            <div class="flex flex-col gap-0.5 min-w-0">
+                              <span class="truncate font-semibold">{{ profile.name }}</span>
+                              <span class="text-[10px] opacity-60 font-mono">{{ profile.modelName }}</span>
+                            </div>
+                            <Check v-if="settings.evaluationProfileId === profile.id" class="w-4 h-4 shrink-0" />
+                          </button>
+                        </div>
+                      </transition>
+                    </div>
+                </div>
+
+              </div>
+            </template>
+
+            <!-- Prompt Engineering -->
+            <template v-if="settingsCategory === 'prompts'">
+              <div class="mb-6 border-b dark:border-slate-800 pb-4">
+                <h1 class="text-2xl font-bold text-slate-800 dark:text-slate-100">提示词工程</h1>
+                <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">深度定制 AI 的系统指令，修改变量占位符将改变其核心逻辑。</p>
+              </div>
+
+              <div class="space-y-8">
+                <!-- Translation Prompt -->
+                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 overflow-hidden flex flex-col">
+                  <div class="px-5 py-3 border-b dark:border-slate-800 bg-slate-50 dark:bg-slate-950 flex items-center justify-between">
+                    <div class="flex items-center gap-2">
+                      <div class="w-2 h-2 rounded-full bg-blue-500"></div>
+                      <h3 class="text-sm font-bold text-slate-700 dark:text-slate-200">主翻译系统指令</h3>
+                    </div>
+                    <button @click="settings.systemPromptTemplate = DEFAULT_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline font-medium">恢复默认</button>
+                  </div>
+                  <textarea 
+                    v-model="settings.systemPromptTemplate"
+                    rows="8"
+                    class="w-full p-5 bg-transparent outline-none font-mono text-xs leading-relaxed text-slate-800 dark:text-slate-300 resize-y"
+                    spellcheck="false"
+                  ></textarea>
+                  <div class="px-5 py-3 bg-slate-50 dark:bg-slate-950 border-t dark:border-slate-800">
+                    <p class="text-[10px] font-semibold text-slate-400 uppercase mb-2">可用变量 (Variables)</p>
+                    <div class="flex flex-wrap gap-1.5">
+                      <span v-for="tag in ['{SOURCE_CODE}', '{TARGET_CODE}', '{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}']" :key="tag" class="px-2 py-0.5 bg-white dark:bg-slate-800 text-[10px] font-mono rounded-md border dark:border-slate-700 text-slate-500 shadow-sm">{{ tag }}</span>
+                    </div>
+                  </div>
+                </div>
+
+                <!-- Evaluation Prompt -->
+                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 overflow-hidden flex flex-col">
+                  <div class="px-5 py-3 border-b dark:border-slate-800 bg-slate-50 dark:bg-slate-950 flex items-center justify-between">
+                    <div class="flex items-center gap-2">
+                      <div class="w-2 h-2 rounded-full bg-amber-500"></div>
+                      <h3 class="text-sm font-bold text-slate-700 dark:text-slate-200">质量审计指令 (JSON 输出)</h3>
+                    </div>
+                    <button @click="settings.evaluationPromptTemplate = DEFAULT_EVALUATION_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline font-medium">恢复默认</button>
+                  </div>
+                  <textarea 
+                    v-model="settings.evaluationPromptTemplate"
+                    rows="12"
+                    class="w-full p-5 bg-transparent outline-none font-mono text-xs leading-relaxed text-slate-800 dark:text-slate-300 resize-y"
+                    spellcheck="false"
+                  ></textarea>
+                  <div class="px-5 py-3 bg-slate-50 dark:bg-slate-950 border-t dark:border-slate-800">
+                    <p class="text-[10px] font-semibold text-slate-400 uppercase mb-2">可用变量 (Variables)</p>
+                    <div class="flex flex-wrap gap-1.5">
+                      <span v-for="tag in ['{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}', '{CONTEXT}']" :key="tag" class="px-2 py-0.5 bg-white dark:bg-slate-800 text-[10px] font-mono rounded-md border dark:border-slate-700 text-slate-500 shadow-sm">{{ tag }}</span>
+                    </div>
+                  </div>
+                </div>
+
+                <!-- Refinement Prompt -->
+                <div class="bg-white/80 dark:bg-slate-900 rounded-2xl shadow-sm border dark:border-slate-800 overflow-hidden flex flex-col">
+                  <div class="px-5 py-3 border-b dark:border-slate-800 bg-slate-50 dark:bg-slate-950 flex items-center justify-between">
+                    <div class="flex items-center gap-2">
+                      <div class="w-2 h-2 rounded-full bg-green-500"></div>
+                      <h3 class="text-sm font-bold text-slate-700 dark:text-slate-200">定向润色指令</h3>
+                    </div>
+                    <button @click="settings.refinementPromptTemplate = DEFAULT_REFINEMENT_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline font-medium">恢复默认</button>
+                  </div>
+                  <textarea 
+                    v-model="settings.refinementPromptTemplate"
+                    rows="8"
+                    class="w-full p-5 bg-transparent outline-none font-mono text-xs leading-relaxed text-slate-800 dark:text-slate-300 resize-y"
+                    spellcheck="false"
+                  ></textarea>
+                  <div class="px-5 py-3 bg-slate-50 dark:bg-slate-950 border-t dark:border-slate-800">
+                    <p class="text-[10px] font-semibold text-slate-400 uppercase mb-2">可用变量 (Variables)</p>
+                    <div class="flex flex-wrap gap-1.5">
+                      <span v-for="tag in ['{SOURCE_LANG}', '{TARGET_LANG}', '{SPEAKER_IDENTITY}', '{TONE_REGISTER}', '{CONTEXT}']" :key="tag" class="px-2 py-0.5 bg-white dark:bg-slate-800 text-[10px] font-mono rounded-md border dark:border-slate-700 text-slate-500 shadow-sm">{{ tag }}</span>
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </template>
+
+          </div>
+        </div>
+      </div>
+</template>
\ No newline at end of file
diff --git a/src/components/TranslationView.vue b/src/components/TranslationView.vue
new file mode 100644
index 0000000..bfc2d1e
--- /dev/null
+++ b/src/components/TranslationView.vue
@@ -0,0 +1,623 @@
+<script setup lang="ts">
+import { ref, computed, onMounted, onUnmounted } from 'vue';
+import { ChevronDown, Check, ArrowRightLeft, Trash2, FileText, Plus, Loader2, Send, User, Type, Copy, Save } from 'lucide-vue-next';
+import { invoke } from '@tauri-apps/api/core';
+import { listen } from '@tauri-apps/api/event';
+import { useSettingsStore, LANGUAGES, SPEAKER_IDENTITY_OPTIONS, TONE_REGISTER_OPTIONS } from '../stores/settings';
+import { cn } from '../lib/utils';
+import { useClipboard } from '../composables/useClipboard';
+
+const settings = useSettingsStore();
+const { activeCopyId, copyWithFeedback } = useClipboard();
+
+const sourceDropdownOpen = ref(false);
+const targetDropdownOpen = ref(false);
+const speakerDropdownOpen = ref(false);
+const toneDropdownOpen = ref(false);
+
+const closeAllDropdowns = () => {
+  sourceDropdownOpen.value = false;
+  targetDropdownOpen.value = false;
+  speakerDropdownOpen.value = false;
+  toneDropdownOpen.value = false;
+};
+
+const toggleDropdown = (type: 'source' | 'target' | 'speaker' | 'tone') => {
+  const states = {
+    source: sourceDropdownOpen,
+    target: targetDropdownOpen,
+    speaker: speakerDropdownOpen,
+    tone: toneDropdownOpen
+  };
+  const targetState = states[type];
+  const currentValue = targetState.value;
+  closeAllDropdowns();
+  targetState.value = !currentValue;
+};
+
+const handleGlobalClick = (e: MouseEvent) => {
+  const target = e.target as HTMLElement;
+  if (!target.closest('.lang-dropdown')) {
+    closeAllDropdowns();
+  }
+};
+
+onMounted(() => window.addEventListener('click', handleGlobalClick));
+onUnmounted(() => window.removeEventListener('click', handleGlobalClick));
+
+const sourceText = ref('');
+const context = ref('');
+const targetText = ref('');
+const isTranslating = ref(false);
+
+interface Suggestion { id: number; text: string; importance: number; }
+interface EvaluationResult { score: number; analysis: string; suggestions?: Suggestion[]; }
+
+const evaluationResult = ref<EvaluationResult | null>(null);
+const isEvaluating = ref(false);
+const isRefining = ref(false);
+const selectedSuggestionIds = ref<number[]>([]);
+const appliedSuggestionIds = ref<number[]>([]);
+
+const toggleSuggestion = (id: number) => {
+  if (!selectedSuggestionIds.value) selectedSuggestionIds.value = [];
+  const index = selectedSuggestionIds.value.indexOf(id);
+  if (index > -1) selectedSuggestionIds.value.splice(index, 1);
+  else selectedSuggestionIds.value.push(id);
+};
+
+let unlisten: (() => void) | null = null;
+onMounted(async () => {
+  unlisten = await listen<string>('translation-chunk', (event) => {
+    if (isTranslating.value || isRefining.value) {
+      targetText.value += event.payload;
+    }
+  });
+});
+onUnmounted(() => { if (unlisten) unlisten(); });
+
+const sourceLangCode = computed({
+  get: () => settings.sourceLang.code,
+  set: (code) => { const lang = LANGUAGES.find(l => l.code === code); if (lang) settings.sourceLang = lang; }
+});
+
+const targetLangCode = computed({
+  get: () => settings.targetLang.code,
+  set: (code) => { const lang = LANGUAGES.find(l => l.code === code); if (lang) settings.targetLang = lang; }
+});
+
+const sourceLang = computed(() => settings.sourceLang);
+const targetLang = computed(() => settings.targetLang);
+
+const currentSpeakerLabel = computed(() => SPEAKER_IDENTITY_OPTIONS.find(opt => opt.value === settings.speakerIdentity)?.label || '男性');
+const currentToneLabel = computed(() => TONE_REGISTER_OPTIONS.find(opt => opt.value === settings.toneRegister)?.label || '正式专业');
+
+const swapLanguages = () => {
+  const temp = { ...settings.sourceLang };
+  settings.sourceLang = { ...settings.targetLang };
+  settings.targetLang = temp;
+};
+
+const clearSource = () => {
+  sourceText.value = '';
+  targetText.value = '';
+  evaluationResult.value = null;
+};
+
+const evaluateTranslation = async () => {
+  if (!targetText.value) return;
+  isEvaluating.value = true;
+  evaluationResult.value = null;
+  selectedSuggestionIds.value = [];
+  appliedSuggestionIds.value = [];
+
+  let apiBaseUrl = settings.apiBaseUrl;
+  let apiKey = settings.apiKey;
+  let modelName = settings.modelName;
+
+  if (settings.evaluationProfileId) {
+    const profile = settings.profiles.find(p => p.id === settings.evaluationProfileId);
+    if (profile) {
+      apiBaseUrl = profile.apiBaseUrl;
+      apiKey = profile.apiKey;
+      modelName = profile.modelName;
+    }
+  }
+
+  const evaluationSystemPrompt = settings.evaluationPromptTemplate
+    .replace(/{SOURCE_LANG}/g, sourceLang.value.englishName)
+    .replace(/{TARGET_LANG}/g, targetLang.value.englishName)
+    .replace(/{SPEAKER_IDENTITY}/g, settings.speakerIdentity)
+    .replace(/{TONE_REGISTER}/g, settings.toneRegister)
+    .replace(/{CONTEXT}/g, context.value || 'None');
+
+  const evaluationUserPrompt = `[Source Text]\n${sourceText.value}\n\n[Translated Text]\n${targetText.value}`;
+
+  const requestBody = {
+    model: modelName,
+    messages: [ { role: "system", content: evaluationSystemPrompt }, { role: "user", content: evaluationUserPrompt } ],
+    stream: false
+  };
+
+  settings.addLog('request', { type: 'evaluation', ...requestBody });
+
+  try {
+    const response = await invoke<string>('translate', { apiAddress: apiBaseUrl, apiKey: apiKey, payload: requestBody });
+    try {
+      const jsonStr = response.replace(/```json\s?|\s?```/g, '').trim();
+      evaluationResult.value = JSON.parse(jsonStr);
+      settings.addLog('response', { type: 'evaluation', content: evaluationResult.value });
+    } catch (parseErr) {
+      console.error('Failed to parse evaluation result:', response);
+      settings.addLog('error', `Evaluation parsing error: ${response}`);
+    }
+  } catch (err: any) {
+    settings.addLog('error', `Evaluation error: ${String(err)}`);
+  } finally {
+    isEvaluating.value = false;
+  }
+};
+
+const refineTranslation = async () => {
+  if (!targetText.value || isRefining.value) return;
+  const selectedTexts = evaluationResult.value?.suggestions?.filter(s => selectedSuggestionIds.value?.includes(s.id)).map(s => s.text);
+  if (!selectedTexts || selectedTexts.length === 0) return;
+
+  isRefining.value = true;
+  const originalTranslation = targetText.value;
+  targetText.value = ''; 
+
+  let apiBaseUrl = settings.apiBaseUrl;
+  let apiKey = settings.apiKey;
+  let modelName = settings.modelName;
+
+  if (settings.evaluationProfileId) {
+    const profile = settings.profiles.find(p => p.id === settings.evaluationProfileId);
+    if (profile) {
+      apiBaseUrl = profile.apiBaseUrl;
+      apiKey = profile.apiKey;
+      modelName = profile.modelName;
+    }
+  }
+
+  const refinementSystemPrompt = settings.refinementPromptTemplate
+    .replace(/{SOURCE_LANG}/g, sourceLang.value.englishName)
+    .replace(/{TARGET_LANG}/g, targetLang.value.englishName)
+    .replace(/{SPEAKER_IDENTITY}/g, settings.speakerIdentity)
+    .replace(/{TONE_REGISTER}/g, settings.toneRegister)
+    .replace(/{CONTEXT}/g, context.value || 'None');
+
+  const formattedSuggestions = selectedTexts.map((text, i) => `${i + 1}. ${text}`).join('\n');
+  const refinementUserPrompt = `[Source Text]\n${sourceText.value}\n\n[Current Translation]\n${originalTranslation}\n\n[User Feedback]\n${formattedSuggestions}`;
+
+  const requestBody = {
+    model: modelName,
+    messages: [ { role: "system", content: refinementSystemPrompt }, { role: "user", content: refinementUserPrompt } ],
+    stream: settings.enableStreaming
+  };
+
+  settings.addLog('request', { type: 'refinement', ...requestBody });
+
+  try {
+    const response = await invoke<string>('translate', { apiAddress: apiBaseUrl, apiKey: apiKey, payload: requestBody });
+    if (!settings.enableStreaming) targetText.value = response;
+    
+    if (evaluationResult.value?.suggestions) {
+      appliedSuggestionIds.value.push(...selectedSuggestionIds.value);
+      selectedSuggestionIds.value = [];
+    }
+    settings.addLog('response', 'Refinement completed');
+  } catch (err: any) {
+    const errorMsg = String(err);
+    settings.addLog('error', errorMsg);
+    targetText.value = `Error: ${errorMsg}`;
+  } finally {
+    isRefining.value = false;
+  }
+};
+
+const translate = async () => {
+  if (!sourceText.value.trim() || isTranslating.value) return;
+
+  isTranslating.value = true;
+  targetText.value = '';
+  evaluationResult.value = null;
+
+  const systemMessage = settings.systemPromptTemplate
+    .replace(/{SOURCE_LANG}/g, sourceLang.value.englishName)
+    .replace(/{SOURCE_CODE}/g, sourceLang.value.code)
+    .replace(/{TARGET_LANG}/g, targetLang.value.englishName)
+    .replace(/{TARGET_CODE}/g, targetLang.value.code)
+    .replace(/{SPEAKER_IDENTITY}/g, settings.speakerIdentity)
+    .replace(/{TONE_REGISTER}/g, settings.toneRegister);
+
+  const userMessage = context.value 
+    ? `[Context]\n${context.value}\n\n[Text to Translate]\n${sourceText.value}`
+    : `[Text to Translate]\n${sourceText.value}`;
+
+  const requestBody = {
+    model: settings.modelName,
+    messages: [ { role: "system", content: systemMessage }, { role: "user", content: userMessage } ],
+    stream: settings.enableStreaming
+  };
+
+  settings.addLog('request', requestBody);
+
+  try {
+    const response = await invoke<string>('translate', { apiAddress: settings.apiBaseUrl, apiKey: settings.apiKey, payload: requestBody });
+    if (!settings.enableStreaming) targetText.value = response;
+    settings.addLog('response', 'Translation completed');
+
+    settings.addHistory({
+      sourceLang: { ...sourceLang.value },
+      targetLang: { ...targetLang.value },
+      sourceText: sourceText.value,
+      targetText: settings.enableStreaming ? targetText.value : response,
+      context: context.value,
+      speakerIdentity: settings.speakerIdentity,
+      toneRegister: settings.toneRegister,
+      modelName: settings.modelName
+    });
+  } catch (err: any) {
+    const errorMsg = String(err);
+    settings.addLog('error', errorMsg);
+    targetText.value = `Error: ${errorMsg}`;
+  } finally {
+    isTranslating.value = false;
+  }
+
+  if (settings.enableEvaluation) await evaluateTranslation();
+};
+</script>
+<template>
+<!-- Translation View -->
+      <div  class="flex-1 flex flex-col md:flex-row divide-y md:divide-y-0 md:divide-x dark:divide-slate-800 bg-white/50 dark:bg-slate-900 overflow-hidden h-full">
+        <!-- Source Pane -->
+        <div class="flex-1 flex flex-col min-h-0 relative h-full">
+          <div class="flex items-center gap-3 px-6 py-3 border-b dark:border-slate-800 bg-slate-100/40 dark:bg-slate-800/30 relative z-40 shrink-0">
+            <!-- Custom Source Dropdown -->
+            <div class="relative lang-dropdown min-w-30">
+              <button 
+                @click.stop="toggleDropdown('source')"
+                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-semibold text-slate-700 dark:text-slate-200 w-full justify-between group"
+              >
+                <span class="truncate">{{ sourceLang.displayName }}</span>
+                <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200', sourceDropdownOpen && 'rotate-180')" />
+              </button>
+              
+              <!-- Dropdown Menu -->
+              <transition
+                enter-active-class="transition duration-100 ease-out"
+                enter-from-class="transform scale-95 opacity-0"
+                enter-to-class="transform scale-100 opacity-100"
+                leave-active-class="transition duration-75 ease-in"
+                leave-from-class="transform scale-100 opacity-100"
+                leave-to-class="transform scale-95 opacity-0"
+              >
+                <div 
+                  v-if="sourceDropdownOpen"
+                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
+                >
+                  <button
+                    v-for="lang in LANGUAGES"
+                    :key="lang.code"
+                    @click="sourceLangCode = lang.code; sourceDropdownOpen = false"
+                    :class="cn(
+                      'px-4 py-2.5 text-sm text-left transition-colors flex items-center justify-between',
+                      sourceLangCode === lang.code ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
+                    )"
+                  >
+                    {{ lang.displayName }}
+                    <Check v-if="sourceLangCode === lang.code" class="w-3.5 h-3.5" />
+                  </button>
+                </div>
+              </transition>
+            </div>
+
+            <button @click="swapLanguages" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors" title="交换语言">
+              <ArrowRightLeft class="w-4 h-4 text-slate-500 dark:text-slate-400" />
+            </button>
+            <div class="ml-auto flex items-center gap-2">
+               <button @click="clearSource" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors" title="清空内容">
+                <Trash2 class="w-4 h-4 text-slate-500 dark:text-slate-400" />
+              </button>
+            </div>
+          </div>
+                      <textarea
+                      v-model="sourceText"
+                      placeholder="请输入待翻译内容..."
+                      class="flex-1 p-6 resize-none outline-none text-lg leading-relaxed placeholder:text-slate-300 dark:placeholder:text-slate-600 bg-transparent min-h-0"
+                    ></textarea>
+          
+                    <!-- Context Input Area -->
+                    <div class="px-6 py-3 bg-slate-200/20 dark:bg-slate-800/20 border-t border-dashed dark:border-slate-800 group/context relative">
+                       <div class="flex items-center justify-between mb-1.5 h-5">
+                          <div class="flex items-center gap-1.5">
+                            <FileText class="w-4 h-4 text-slate-400" />
+                            <span class="text-[12px] font-bold text-slate-400 uppercase tracking-widest">情景背景 (可选)</span>
+                          </div>
+                          <button 
+                            v-if="context"
+                            @click="context = ''"
+                            class="p-1 hover:bg-slate-200 dark:hover:bg-slate-700 rounded opacity-0 group-hover/context:opacity-100 transition-opacity"
+                            title="清空背景"
+                          >
+                            <Plus class="w-3 h-3 rotate-45 text-slate-400" />
+                          </button>
+                       </div>
+                       <textarea
+                          v-model="context"
+                          placeholder="在此输入背景信息，有助于提升翻译准确度..."
+                          class="w-full bg-transparent border-none outline-none text-sm text-slate-500 dark:text-slate-400 resize-none h-14 leading-normal placeholder:italic placeholder:text-slate-300 dark:placeholder:text-slate-600"
+                       ></textarea>
+                    </div>
+          
+                    <div class="p-4 border-t dark:border-slate-800 bg-slate-50/30 dark:bg-transparent flex justify-end shrink-0">            <button 
+              @click="translate"
+              :disabled="isTranslating || isEvaluating || isRefining || !sourceText.trim()"
+              class="bg-blue-600 hover:bg-blue-700 disabled:bg-blue-300 dark:disabled:bg-blue-900/40 text-white px-6 py-2.5 rounded-lg font-medium transition-all flex items-center gap-2 shadow-sm"
+            >
+              <Loader2 v-if="isTranslating" class="w-4 h-4 animate-spin" />
+              <Send v-else class="w-4 h-4" />
+              {{ isTranslating ? '正在翻译...' : '翻译' }}
+            </button>
+          </div>
+        </div>
+<!-- Target Pane -->
+        <div class="flex-1 flex flex-col min-h-0 bg-slate-100/20 dark:bg-slate-900/50 relative h-full">
+          <div class="flex items-center gap-3 px-6 py-3 border-b dark:border-slate-800 bg-slate-100/40 dark:bg-slate-800/30 relative z-40 shrink-0">
+            <!-- Custom Target Dropdown -->
+            <div class="relative lang-dropdown min-w-30">
+              <button 
+                @click.stop="toggleDropdown('target')"
+                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-semibold text-slate-700 dark:text-slate-200 w-full justify-between"
+              >
+                <span class="truncate">{{ targetLang.displayName }}</span>
+                <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200', targetDropdownOpen && 'rotate-180')" />
+              </button>
+              
+              <!-- Dropdown Menu -->
+              <transition
+                enter-active-class="transition duration-100 ease-out"
+                enter-from-class="transform scale-95 opacity-0"
+                enter-to-class="transform scale-100 opacity-100"
+                leave-active-class="transition duration-75 ease-in"
+                leave-from-class="transform scale-100 opacity-100"
+                leave-to-class="transform scale-95 opacity-0"
+              >
+                <div 
+                  v-if="targetDropdownOpen"
+                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
+                >
+                  <button
+                    v-for="lang in LANGUAGES"
+                    :key="lang.code"
+                    @click="targetLangCode = lang.code; targetDropdownOpen = false"
+                    :class="cn(
+                      'px-4 py-2.5 text-sm text-left transition-colors flex items-center justify-between',
+                      targetLangCode === lang.code ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
+                    )"
+                  >
+                    {{ lang.displayName }}
+                    <Check v-if="targetLangCode === lang.code" class="w-3.5 h-3.5" />
+                  </button>
+                </div>
+              </transition>
+            </div>
+
+            <!-- Speaker Identity Dropdown -->
+            <div class="relative lang-dropdown min-w-24">
+              <button 
+                @click.stop="toggleDropdown('speaker')"
+                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-medium text-slate-600 dark:text-slate-300 w-full justify-between group"
+                title="说话人身份"
+              >
+                <div class="flex items-center gap-1.5 truncate">
+                  <User class="w-3.5 h-3.5 text-slate-400" />
+                  <span class="truncate">{{ currentSpeakerLabel }}</span>
+                </div>
+                <ChevronDown :class="cn('w-3.5 h-3.5 text-slate-400 transition-transform duration-200 shrink-0', speakerDropdownOpen && 'rotate-180')" />
+              </button>
+              
+              <transition
+                enter-active-class="transition duration-100 ease-out"
+                enter-from-class="transform scale-95 opacity-0"
+                enter-to-class="transform scale-100 opacity-100"
+                leave-active-class="transition duration-75 ease-in"
+                leave-from-class="transform scale-100 opacity-100"
+                leave-to-class="transform scale-95 opacity-0"
+              >
+                <div 
+                  v-if="speakerDropdownOpen"
+                  class="absolute left-0 mt-2 w-40 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
+                >
+                  <button
+                    v-for="opt in SPEAKER_IDENTITY_OPTIONS"
+                    :key="opt.value"
+                    @click="settings.speakerIdentity = opt.value; speakerDropdownOpen = false"
+                    :class="cn(
+                      'px-4 py-2 text-sm text-left transition-colors flex items-center justify-between',
+                      settings.speakerIdentity === opt.value ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
+                    )"
+                  >
+                    {{ opt.label }}
+                    <Check v-if="settings.speakerIdentity === opt.value" class="w-3.5 h-3.5" />
+                  </button>
+                </div>
+              </transition>
+            </div>
+
+            <!-- Tone & Register Dropdown -->
+            <div class="relative lang-dropdown min-w-32">
+              <button 
+                @click.stop="toggleDropdown('tone')"
+                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-medium text-slate-600 dark:text-slate-300 w-full justify-between group"
+                title="语气风格"
+              >
+                <div class="flex items-center gap-1.5 truncate">
+                  <Type class="w-3.5 h-3.5 text-slate-400" />
+                  <span class="truncate">{{ currentToneLabel }}</span>
+                </div>
+                <ChevronDown :class="cn('w-3.5 h-3.5 text-slate-400 transition-transform duration-200 shrink-0', toneDropdownOpen && 'rotate-180')" />
+              </button>
+              
+              <transition
+                enter-active-class="transition duration-100 ease-out"
+                enter-from-class="transform scale-95 opacity-0"
+                enter-to-class="transform scale-100 opacity-100"
+                leave-active-class="transition duration-75 ease-in"
+                leave-from-class="transform scale-100 opacity-100"
+                leave-to-class="transform scale-95 opacity-0"
+              >
+                <div 
+                  v-if="toneDropdownOpen"
+                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
+                >
+                  <button
+                    v-for="opt in TONE_REGISTER_OPTIONS"
+                    :key="opt.value"
+                    @click="settings.toneRegister = opt.value; toneDropdownOpen = false"
+                    :class="cn(
+                      'px-4 py-2.5 text-sm text-left transition-colors flex flex-col gap-0.5',
+                      settings.toneRegister === opt.value ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
+                    )"
+                  >
+                    <div class="flex items-center justify-between w-full">
+                      {{ opt.label }}
+                      <Check v-if="settings.toneRegister === opt.value" class="w-3.5 h-3.5" />
+                    </div>
+                    <span class="text-[10px] opacity-60 font-normal truncate">{{ opt.description }}</span>
+                  </button>
+                </div>
+              </transition>
+            </div>
+
+            <div class="ml-auto flex items-center gap-2">
+              <button @click="copyWithFeedback(targetText, 'main-target')" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors relative" title="复制结果">
+                <Check v-if="activeCopyId === 'main-target'" class="w-4 h-4 text-green-600" />
+                <Copy v-else class="w-4 h-4 text-slate-500 dark:text-slate-400" />
+              </button>
+            </div>
+          </div>
+          <div class="flex-1 p-6 overflow-y-auto text-lg leading-relaxed whitespace-pre-wrap min-h-0">
+            <template v-if="targetText">
+              {{ targetText }}
+            </template>
+            <span v-else class="text-slate-300 dark:text-slate-600 italic">翻译结果将在此显示...</span>
+          </div>
+
+          <!-- Evaluation Results -->
+          <div v-if="isEvaluating || evaluationResult" class="px-6 py-4 bg-slate-200/20 dark:bg-slate-800/20 border-t border-dashed dark:border-slate-800 space-y-4 animate-in fade-in slide-in-from-bottom-2 duration-500 overflow-y-auto max-h-80 shrink-0">
+            <div class="flex items-center justify-between">
+              <div class="flex items-center gap-2">
+                <div :class="cn(
+                  'w-2 h-2 rounded-full',
+                  isEvaluating ? 'bg-blue-400 animate-pulse' : (evaluationResult?.score && evaluationResult.score >= 80 ? 'bg-green-500' : evaluationResult?.score && evaluationResult.score >= 60 ? 'bg-amber-500' : 'bg-red-500')
+                )"></div>
+                <h3 class="text-xs font-bold text-slate-400 uppercase tracking-widest">质量审计</h3>
+              </div>
+              <div v-if="evaluationResult" :class="cn(
+                'text-lg font-black font-mono',
+                evaluationResult.score >= 80 ? 'text-green-600' : evaluationResult.score >= 60 ? 'text-amber-600' : 'text-red-600'
+              )">
+                {{ evaluationResult.score }} <span class="text-[10px] font-normal opacity-50">/ 100</span>
+              </div>
+              <div v-else-if="isEvaluating" class="flex items-center gap-1.5 text-xs text-blue-500 font-medium">
+                <Loader2 class="w-3 h-3 animate-spin" />
+                正在审计...
+              </div>
+            </div>
+
+            <div v-if="evaluationResult" class="space-y-3">
+              <div class="bg-slate-50 dark:bg-slate-800/40 p-3 rounded-lg border border-slate-100 dark:border-slate-800/60">
+                <p class="text-xs text-slate-600 dark:text-slate-300 leading-relaxed">
+                  {{ evaluationResult.analysis }}
+                </p>
+              </div>
+              
+              <div v-if="evaluationResult.suggestions && evaluationResult.suggestions.length > 0" class="space-y-4 pt-2">
+                <!-- Pending Suggestions -->
+                <div v-if="evaluationResult.suggestions.some(s => !appliedSuggestionIds.includes(s.id))" class="space-y-2">
+                  <div class="flex items-center gap-2">
+                    <div class="w-2 h-2 rounded-full bg-blue-500"></div>
+                    <h3 class="text-xs font-bold text-slate-400 uppercase tracking-widest">修改建议</h3>
+                  </div>
+                  <div class="space-y-2">
+                    <div 
+                      v-for="sug in evaluationResult.suggestions.filter(s => !appliedSuggestionIds.includes(s.id))" 
+                      :key="sug.id"
+                      @click="toggleSuggestion(sug.id)"
+                      :class="cn(
+                        'flex items-start gap-3 p-3 rounded-xl border transition-all cursor-pointer group',
+                        selectedSuggestionIds?.includes(sug.id) 
+                          ? 'bg-blue-50 dark:bg-blue-900/20 border-blue-200 dark:border-blue-800' 
+                          : 'bg-white dark:bg-slate-800/40 border-slate-100 dark:border-slate-800 hover:border-slate-300 dark:hover:border-slate-700'
+                      )"
+                    >
+                      <div :class="cn(
+                        'w-4 h-4 rounded border mt-0.5 shrink-0 flex items-center justify-center transition-colors',
+                        selectedSuggestionIds?.includes(sug.id) ? 'bg-blue-600 border-blue-600' : 'border-slate-300 dark:border-slate-600'
+                      )">
+                        <Check v-if="selectedSuggestionIds?.includes(sug.id)" class="w-3.5 h-3.5 text-white" stroke-width="4" />
+                      </div>
+                      <div class="flex-1 space-y-1.5 min-w-0">
+                        <p class="text-xs text-slate-700 dark:text-slate-200 leading-normal">{{ sug.text }}</p>
+                        <div class="flex items-center gap-2">
+                          <div class="flex-1 h-1 bg-slate-100 dark:bg-slate-700 rounded-full overflow-hidden">
+                            <div 
+                              class="h-full rounded-full transition-all duration-1000"
+                              :class="sug.importance >= 80 ? 'bg-red-500' : sug.importance >= 40 ? 'bg-amber-500' : 'bg-blue-500'"
+                              :style="{ width: `${sug.importance}%` }"
+                            ></div>
+                          </div>
+                          <span class="text-[9px] font-bold opacity-40 uppercase tracking-tighter w-8 shrink-0">{{ sug.importance }}%</span>
+                        </div>
+                      </div>
+                    </div>
+                  </div>
+                </div>
+
+                <!-- Applied Suggestions -->
+                <div v-if="appliedSuggestionIds.length > 0" class="space-y-2 border-t dark:border-slate-800 pt-4">
+                  <div class="flex items-center gap-2">
+                    <div class="w-2 h-2 rounded-full bg-slate-400"></div>
+                    <h3 class="text-xs font-bold text-slate-400 uppercase tracking-widest">已润色</h3>
+                  </div>
+                  <div class="space-y-2">
+                    <div 
+                      v-for="sug in evaluationResult.suggestions.filter(s => appliedSuggestionIds.includes(s.id))" 
+                      :key="'applied-' + sug.id"
+                      class="p-3 rounded-xl border border-slate-100 dark:border-slate-800/60 bg-white/30 dark:bg-slate-800/20 opacity-70"
+                    >
+                      <p class="text-xs text-slate-500 dark:text-slate-400 leading-normal">{{ sug.text }}</p>
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
+
+          <div class="p-4 border-t dark:border-slate-800 bg-slate-50/30 dark:bg-transparent flex justify-end gap-2 shrink-0">
+            <button 
+              @click="refineTranslation"
+              v-if="evaluationResult && evaluationResult.suggestions && evaluationResult.suggestions.length > 0"
+              :disabled="isRefining || isEvaluating || isTranslating || selectedSuggestionIds.length === 0"
+              class="bg-blue-600 enabled:hover:bg-blue-700 disabled:bg-blue-300 dark:disabled:bg-blue-900/40 text-white px-6 py-2.5 rounded-lg font-medium transition-all flex items-center gap-2 shadow-sm"
+            >
+              <Loader2 v-if="isRefining" class="w-4 h-4 animate-spin" />
+              <Save v-else class="w-4 h-4" />
+              {{ isRefining ? '正在润色...' : '润色' }}
+            </button>
+            <button 
+              @click="evaluateTranslation"
+              :disabled="isEvaluating || isTranslating || isRefining || !targetText.trim()"
+              class="bg-blue-600 enabled:hover:bg-blue-700 disabled:bg-blue-300 dark:disabled:bg-blue-900/40 text-white px-6 py-2.5 rounded-lg font-medium transition-all flex items-center gap-2 shadow-sm"
+            >
+              <Loader2 v-if="isEvaluating" class="w-4 h-4 animate-spin" />
+              <Check v-else class="w-4 h-4" />
+              {{ isEvaluating ? '正在审计...' : '审计' }}
+            </button>
+          </div>
+        </div>
+      </div>
+</template>
\ No newline at end of file
diff --git a/src/composables/useClipboard.ts b/src/composables/useClipboard.ts
new file mode 100644
index 0000000..6d92603
--- /dev/null
+++ b/src/composables/useClipboard.ts
@@ -0,0 +1,21 @@
+import { ref } from 'vue';
+
+const activeCopyId = ref<string | null>(null);
+
+export function useClipboard() {
+  const copyWithFeedback = async (text: string, id: string) => {
+    try {
+      await navigator.clipboard.writeText(text);
+      activeCopyId.value = id;
+      setTimeout(() => {
+        if (activeCopyId.value === id) {
+          activeCopyId.value = null;
+        }
+      }, 2000);
+    } catch (err) {
+      console.error('Failed to copy text: ', err);
+    }
+  };
+
+  return { activeCopyId, copyWithFeedback };
+}
diff --git a/src/lib/utils.ts b/src/lib/utils.ts
new file mode 100644
index 0000000..2819a83
--- /dev/null
+++ b/src/lib/utils.ts
@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from 'clsx';
+import { twMerge } from 'tailwind-merge';
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}