ToFu/index.html at main · NiuTrans/ToFu · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover">
<title>Tofu</title>
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<link rel="stylesheet" href="static/styles.css?v=0.9.3">
<script>
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</script>
<script>
  // ── Loading guard — stub functions for inline handlers ──
  // Prevents ReferenceError spam when defer scripts are still downloading
  // (common on slow networks or macOS MIME-type misconfigurations).
  // Real implementations in main.js / core.js replace these on load.
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    // Stub critical handlers that users can trigger immediately
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  // ── i18n fallback: stub t() so the app works even if i18n.js fails to load ──
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  // ── Script load error tracker (defined early so onerror handlers can find it) ──
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</script>
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</head>
<body>
<aside class="sidebar" id="sidebar">
  <div class="sidebar-header">
    <h1><svg class="sidebar-tofu-icon" width="22" height="22" viewBox="0 0 32 32" fill="none"><defs><linearGradient id="sTop" x1="0" y1="0" x2=".5" y2="1"><stop offset="0%" stop-color="#fef8ec"/><stop offset="100%" stop-color="#fdf2d7"/></linearGradient><linearGradient id="sFront" x1="0" y1="0" x2=".2" y2="1"><stop offset="0%" stop-color="#fdf4dc"/><stop offset="100%" stop-color="#f5e8c8"/></linearGradient><linearGradient id="sSide" x1="0" y1="0" x2="1" y2=".7"><stop offset="0%" stop-color="#ecdcc0"/><stop offset="100%" stop-color="#dcc8a4"/></linearGradient></defs><path d="M15.3 4.6 L6.4 9.6 L16.3 16 L26.2 10.5Z" fill="url(#sTop)"/><path d="M6.4 9.6 L6.1 21.1 L17.2 27.2 L16.3 16Z" fill="url(#sFront)"/><path d="M16.3 16 L17.2 27.2 L25.9 22.3 L26.2 10.5Z" fill="url(#sSide)"/><path d="M15.3 4.6 L6.4 9.6 L6.1 21.1 L17.2 27.2 L25.9 22.3 L26.2 10.5Z" stroke="#1a1520" stroke-width=".6" stroke-linejoin="round" fill="none"/><rect x="7.8" y="14.2" width="2.6" height="3.3" rx=".3" fill="#1a1520"/><rect x="9.2" y="14.5" width=".9" height="1.2" rx=".2" fill="white" opacity=".9"/><rect x="13.1" y="16.5" width="2.6" height="3.8" rx=".3" fill="#1a1520"/><rect x="14.5" y="16.9" width=".9" height="1.3" rx=".2" fill="white" opacity=".9"/><path d="M10.1 20.1 Q12 21.6 13.9 20.1" stroke="#1a1520" stroke-width=".5" fill="none" stroke-linecap="round" opacity=".45"/><ellipse cx="8" cy="18.4" rx="1" ry=".7" fill="#ffaaa2" opacity=".5"/><ellipse cx="15" cy="21.3" rx="1.1" ry=".7" fill="#feaca5" opacity=".5"/></svg><span class="sidebar-brand"><span class="sidebar-brand-t">T</span><span class="sidebar-brand-o">o</span><span class="sidebar-brand-f">f</span><span class="sidebar-brand-u">u</span></span></h1>
    <div style="display:flex;gap:4px;align-items:center;">
      <button class="action-btn" id="paperModeBtn" onclick="togglePaperMode()" title="Paper Reader">
        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/><line x1="8" y1="7" x2="16" y2="7"/><line x1="8" y1="11" x2="14" y2="11"/></svg>
      </button>
      <button class="action-btn" id="sidebarSearchToggle" onclick="toggleSidebarSearch()" title="搜索对话" data-i18n-title="sidebar.search">
        <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round"><circle cx="11" cy="11" r="7"/><line x1="16.5" y1="16.5" x2="21" y2="21"/></svg>
      </button>
      <button class="action-btn" onclick="openDailyReport()" title="My Day">
        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 11l3 3L22 4"/><path d="M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11"/></svg>
      </button>

      <a class="action-btn" href="trading.html" target="_blank" title="Trading Advisor" id="tradingAdvisorBtn" style="text-decoration:none;display:none;align-items:center;justify-content:center;">
        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="22 12 18 12 15 21 9 3 6 12 2 12"/></svg>
      </a>
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      New Chat
    </button>
  </div>
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                  <span class="submenu-arrow"><svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg></span>
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                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="4 17 10 11 4 5"/><line x1="12" y1="19" x2="20" y2="19"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.codeExec">代码执行</span><span class="submenu-item-desc" data-i18n="toolbar.codeExecDesc">允许 AI 运行代码</span></span>
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                  </div>
                  <div class="submenu-item" id="memoryToggle" onclick="toggleMemory();updateSubmenuCounts()" title="Memory — accumulated experience">
                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z"/><path d="M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.memory">记忆经验</span><span class="submenu-item-desc" data-i18n="toolbar.memoryDesc">注入积累的经验</span></span>
                    <span class="submenu-item-check">✓</span>
                  </div>
                  <div class="submenu-item" id="translateToggle" onclick="toggleAutoTranslate();updateSubmenuCounts()" title="Auto-translate: Chinese↔English (Ctrl+Shift+K to exclude selected text from translation)">
                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M5 8l6 6"/><path d="M4 14l6-6 2-3"/><path d="M2 5h12"/><path d="M7 2v3"/><path d="M22 22l-5-10-5 10"/><path d="M14 18h6"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.autoTranslate">自动翻译</span><span class="submenu-item-desc" data-i18n="toolbar.autoTranslateDesc">中英互译 · ⌘⇧K 跳过选中</span></span>
                    <span class="submenu-item-check">✓</span>
                  </div>
                  <!-- Hidden badges for JS compatibility -->
                  <span class="tool-badge" id="translateBadge" style="display:none">译</span>
                </div>
              </div>
              <!-- ★ Tools sub-menu -->
              <div class="toolbar-submenu" id="submenuTools">
                <button class="submenu-trigger" onclick="toggleSubmenu('submenuTools')" title="外部工具">
                  <span class="submenu-label" data-i18n="toolbar.tools">工具</span>
                  <span class="submenu-count" id="submenuToolsCount"></span>
                  <span class="submenu-arrow"><svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg></span>
                </button>
                <div class="submenu-dropdown">
                  <div class="submenu-item" id="browserToggle" onclick="toggleBrowser();updateSubmenuCounts()" title="Browser Bridge">
                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.browserBridge">浏览器桥接</span><span class="submenu-item-desc" data-i18n="toolbar.browserBridgeDesc">控制浏览器标签页</span></span>
                    <span class="submenu-item-check">✓</span>
                  </div>
                  <div class="submenu-item" id="desktopToggle" onclick="toggleDesktop();updateSubmenuCounts()" title="Desktop Agent">
                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="2" y="3" width="20" height="14" rx="2" ry="2"/><line x1="8" y1="21" x2="16" y2="21"/><line x1="12" y1="17" x2="12" y2="21"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.desktopControl">桌面控制</span><span class="submenu-item-desc" data-i18n="toolbar.desktopControlDesc">操作本地应用与文件</span></span>
                    <span class="submenu-item-check">✓</span>
                    <span class="tool-badge" id="desktopBadge" style="display:none"></span>
                  </div>
                  <div class="submenu-item" id="schedulerToggle" onclick="toggleScheduler();updateSubmenuCounts()" title="Scheduler">
                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.scheduledTasks">定时任务</span><span class="submenu-item-desc" data-i18n="toolbar.scheduledTasksDesc">计划任务与 Cron</span></span>
                    <span class="submenu-item-check">✓</span>
                  </div>
                  <div class="submenu-item" id="imageGenToggle" onclick="toggleImageGenTool();updateSubmenuCounts()" title="AI Image Generation">
                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.aiDrawing">AI 绘图</span><span class="submenu-item-desc" data-i18n="toolbar.aiDrawingDesc">对话中生成图片</span></span>
                    <span class="submenu-item-check">✓</span>
                  </div>
                  <div class="submenu-item" id="humanGuidanceToggle" onclick="toggleHumanGuidance();updateSubmenuCounts()" title="Human Guidance">
                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.humanAICollab">人机协作</span><span class="submenu-item-desc" data-i18n="toolbar.humanAICollabDesc">AI 可向你提问寻求指导</span></span>
                    <span class="submenu-item-check">✓</span>
                  </div>

                </div>
              </div>
              <!-- ★ Mode sub-menu -->
              <div class="toolbar-submenu" id="submenuMode">
                <button class="submenu-trigger" onclick="toggleSubmenu('submenuMode')" title="执行模式">
                  <span class="submenu-label" data-i18n="toolbar.mode">模式</span>
                  <span class="submenu-count" id="submenuModeCount"></span>
                  <span class="submenu-arrow"><svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg></span>
                </button>
                <div class="submenu-dropdown">
                  <div class="submenu-item" id="swarmToggle" onclick="toggleSwarm();updateSubmenuCounts()" title="Agent Swarm">
                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="7" r="3"/><circle cx="5" cy="17" r="3"/><circle cx="19" cy="17" r="3"/><line x1="12" y1="10" x2="5" y2="14"/><line x1="12" y1="10" x2="19" y2="14"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.swarmAgents">蜂群代理</span><span class="submenu-item-desc" data-i18n="toolbar.swarmAgentsDesc">并行子代理分解任务</span></span>
                    <span class="submenu-item-check">✓</span>
                    <span class="tool-badge" id="swarmBadge" style="display:none"></span>
                  </div>
                  <div class="submenu-item" id="endpointToggle" onclick="toggleEndpoint();updateSubmenuCounts()" title="Endpoint Mode">
                    <span class="submenu-item-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2v4"/><path d="M12 18v4"/><path d="M4.93 4.93l2.83 2.83"/><path d="M16.24 16.24l2.83 2.83"/><path d="M2 12h4"/><path d="M18 12h4"/><path d="M4.93 19.07l2.83-2.83"/><path d="M16.24 7.76l2.83-2.83"/><circle cx="12" cy="12" r="4"/></svg></span>
                    <span class="submenu-item-text"><span class="submenu-item-name" data-i18n="toolbar.autonomousMode">自主模式</span><span class="submenu-item-desc" data-i18n="toolbar.autonomousModeDesc">自主执行+自我审查循环</span></span>
                    <span class="submenu-item-check">✓</span>
                    <span class="tool-badge" id="endpointBadge" style="display:none"></span>
                  </div>
                </div>
              </div>
              <!-- ★ Standalone buttons -->
              <button class="action-btn" id="imageGenModeBtn" onclick="enterImageGenMode()" title="Image Generation Mode">
                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg>
              </button>
              <!-- Paper Reader button moved to sidebar header -->
              <button class="action-btn" id="projectToggle" onclick="openProjectModal()" title="Project Co-Pilot">
                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M22 19a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5l2 3h9a2 2 0 0 1 2 2z"/></svg>
              </button>
            </div>
            <div class="input-actions-right">

            <!-- Mobile-only "more" button — opens bottom sheet with all toggles -->
            <button class="mobile-more-btn" id="mobileMoreBtn" onclick="toggleMobileSheet()" title="更多选项"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round"><circle cx="5" cy="12" r="1.5"/><circle cx="12" cy="12" r="1.5"/><circle cx="19" cy="12" r="1.5"/></svg></button>
            <div class="search-mode-toggle" id="searchModeToggle" data-mode="off" onclick="cycleSearchMode()" title="Click to cycle: Off → Single → Multi → Off">
              <span class="sm-icon"><svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round"><circle cx="11" cy="11" r="7"/><line x1="16.5" y1="16.5" x2="21" y2="21"/></svg></span>
              <span class="sm-label">Search</span>
              <span class="sm-mode-pill">OFF</span>
            </div>
            <button class="send-btn" id="sendBtn" onclick="sendMessage()" title="Send (Enter)">
              <span style="font-size:13px;font-weight:600;letter-spacing:.5px">⏎</span>
            </button>
            </div><!-- /input-actions-right -->
          </div>
          <!-- ═══ Image Generation Mode Toolbar — single-row canvas bar ═══ -->
          <div class="ig-toolbar" id="igModeToolbar">
            <button class="ig-exit" onclick="exitImageGenMode()" title="退出创作模式 (Esc)">
              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
            </button>
            <!-- Model picker — reuses preset-toggle-wrapper pattern -->
            <div class="preset-toggle-wrapper ig-model-wrapper" id="igModelPicker">
              <div class="preset-toggle ig-preset" data-brand="generic" onclick="toggleIgModelDropdown(event)" title="Select image model">
                <span class="ps-icon" id="igModelIcon"></span>
                <span class="ps-label" id="igModelLabel">Gemini 3.1 Flash</span>
                <span class="ps-arrow"><svg width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"/></svg></span>
              </div>
              <!-- Populated dynamically by _loadIgModels() -->
              <div class="preset-dropdown ig-preset-dropdown" id="igModelDropdown"></div>
            </div>
            <span class="ig-sep"></span>
            <!-- Aspect ratio — inline pill bar (like thinking-depth-bar) -->
            <div class="ig-seg" id="igAspectBar">
              <button class="ig-pill active" data-ar="1:1" onclick="selectIgAspect(this)" title="1:1 正方形" data-i18n-title="ig.square">1:1</button>
              <button class="ig-pill" data-ar="16:9" onclick="selectIgAspect(this)" title="16:9 横屏宽幅" data-i18n-title="ig.landscape">16:9</button>
              <button class="ig-pill" data-ar="9:16" onclick="selectIgAspect(this)" title="9:16 竖屏" data-i18n-title="ig.portrait">9:16</button>
              <button class="ig-pill" data-ar="4:3" onclick="selectIgAspect(this)" title="4:3 经典" data-i18n-title="ig.classic">4:3</button>
              <button class="ig-pill" data-ar="3:4" onclick="selectIgAspect(this)" title="3:4 竖版" data-i18n-title="ig.tallPortrait">3:4</button>
            </div>
            <span class="ig-sep"></span>
            <!-- Resolution — inline pill bar -->
            <div class="ig-seg" id="igResolutionBar">
              <button class="ig-pill ig-pill-q active" data-res="1K" onclick="selectIgResolution(this)" title="1024px · 标准分辨率">1K</button>
              <button class="ig-pill ig-pill-q" data-res="2K" onclick="selectIgResolution(this)" title="2048px · 高清分辨率">2K</button>
            </div>
            <span class="ig-sep"></span>
            <!-- Gacha batch count — inline pill bar -->
            <div class="ig-seg" id="igCountBar">
              <button class="ig-pill ig-pill-n active" data-count="1" onclick="selectIgCount(this)" title="生成单张图片" data-i18n-title="ig.singleDesc" data-i18n="ig.single">单抽</button>
              <button class="ig-pill ig-pill-n" data-count="2" onclick="selectIgCount(this)" title="同时生成 2 张，多个选择" data-i18n-title="ig.doubleDesc" data-i18n="ig.double">2连</button>
              <button class="ig-pill ig-pill-n" data-count="4" onclick="selectIgCount(this)" title="同时生成 4 张，大量出图！" data-i18n-title="ig.quadDesc" data-i18n="ig.quad">4连</button>
            </div>
            <span class="ig-flex"></span>
            <!-- Generate button -->
            <button class="ig-generate-btn" id="igGenerateBtn" onclick="generateImageDirect()" title="生成 (Enter)">
              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polygon points="13 2 3 14 12 14 11 22 21 10 12 10 13 2"/></svg>
              <span class="ig-gen-text" data-i18n="toolbar.generate">生成</span>
            </button>
          </div>
        </div>
        <div class="input-footer"><span class="input-hint" id="inputHint">Enter send · Ctrl+Enter / Shift+Enter newline · 📎 or drop files</span></div>
      </div>
    </div>
  </div>
</main>

<!-- Settings Modal — Tabbed Panel -->
<div class="modal-overlay" id="settingsModal" onclick="if(event.target===this)closeSettings()">
  <div class="modal settings-panel">
    <!-- Header -->
    <div class="settings-header">
      <h3 data-i18n="settings.title">设置</h3>
      <button class="settings-close-btn" onclick="closeSettings()" title="关闭" data-i18n-title="settings.close">
        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
      </button>
    </div>

    <div class="settings-body">
      <!-- Tab Navigation (left sidebar) -->
      <nav class="settings-tabs">
        <button class="settings-tab active" data-tab="general" onclick="switchSettingsTab('general')">
          <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 00.33 1.82l.06.06a2 2 0 010 2.83 2 2 0 01-2.83 0l-.06-.06a1.65 1.65 0 00-1.82-.33 1.65 1.65 0 00-1 1.51V21a2 2 0 01-4 0v-.09A1.65 1.65 0 009 19.4a1.65 1.65 0 00-1.82.33l-.06.06a2 2 0 01-2.83-2.83l.06-.06A1.65 1.65 0 004.68 15a1.65 1.65 0 00-1.51-1H3a2 2 0 010-4h.09A1.65 1.65 0 004.6 9a1.65 1.65 0 00-.33-1.82l-.06-.06a2 2 0 012.83-2.83l.06.06A1.65 1.65 0 009 4.68a1.65 1.65 0 001-1.51V3a2 2 0 014 0v.09a1.65 1.65 0 001 1.51 1.65 1.65 0 001.82-.33l.06-.06a2 2 0 012.83 2.83l-.06.06A1.65 1.65 0 0019.4 9a1.65 1.65 0 001.51 1H21a2 2 0 010 4h-.09a1.65 1.65 0 00-1.51 1z"/></svg>
          <span data-i18n="settings.tabGeneral">通用</span>
        </button>
        <button class="settings-tab" data-tab="api" onclick="switchSettingsTab('api')">
          <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M10 13a5 5 0 007.54.54l3-3a5 5 0 00-7.07-7.07l-1.72 1.71"/><path d="M14 11a5 5 0 00-7.54-.54l-3 3a5 5 0 007.07 7.07l1.71-1.71"/></svg>
          <span data-i18n="settings.tabProviders">服务商</span>
        </button>
        <button class="settings-tab" data-tab="preset" onclick="switchSettingsTab('preset')">
          <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M21 16V8a2 2 0 00-1-1.73l-7-4a2 2 0 00-2 0l-7 4A2 2 0 003 8v8a2 2 0 001 1.73l7 4a2 2 0 002 0l7-4A2 2 0 0021 16z"/><polyline points="3.27 6.96 12 12.01 20.73 6.96"/><line x1="12" y1="22.08" x2="12" y2="12"/></svg>
          <span data-i18n="settings.tabDisplay">显示</span>
        </button>
        <button class="settings-tab" data-tab="search" onclick="switchSettingsTab('search')">
          <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
          <span data-i18n="settings.tabSearch">搜索</span>
        </button>
        <button class="settings-tab" data-tab="translate" onclick="switchSettingsTab('translate')">
          <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M5 8l6 6"/><path d="M4 14l6-6 2-3"/><path d="M2 5h12"/><path d="M7 2v3"/><path d="M22 22l-5-10-5 10"/><path d="M14 18h6"/></svg>
          <span data-i18n="settings.tabTranslate">翻译</span>
        </button>
        <button class="settings-tab" data-tab="network" onclick="switchSettingsTab('network')">
          <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 014 10 15.3 15.3 0 01-4 10 15.3 15.3 0 01-4-10 15.3 15.3 0 014-10z"/></svg>
          <span data-i18n="settings.tabNetwork">网络</span>
        </button>
        <button class="settings-tab" data-tab="feishu" onclick="switchSettingsTab('feishu')">
          <svg width="15" height="15" viewBox="62.16 94.5 407.87 324.19"><path d="M274.18 264.785q.515-.517 1.03-1.027c.685-.688 1.372-1.258 2.056-1.945l1.37-1.372 4.118-4.113 5.598-5.601 4.8-4.797 4.575-4.457 4.796-4.688 4.344-4.344 6.059-6.054c1.14-1.145 2.285-2.29 3.543-3.317 2.168-2.054 4.457-4 6.855-5.828 2.172-1.715 4.344-3.312 6.516-4.914 3.082-2.172 6.398-4.344 9.71-6.285 3.204-1.941 6.63-3.656 10.06-5.371 3.199-1.602 6.515-2.973 9.827-4.23 1.829-.684 3.774-1.372 5.602-2.055.914-.344 1.941-.688 2.856-.914-8.57-33.715-24.227-64.575-45.258-90.86-4.114-5.14-10.399-8.113-17.028-8.113H130.754c-3.203 0-4.457 4-1.945 5.941 59.543 43.66 109.144 99.887 145.03 164.801 0-.226.227-.34.34-.457" fill="#00d6b9"/><path d="M204.79 418.691c90.288 0 169.03-49.828 210.058-123.543 1.488-2.628 2.859-5.257 4.23-7.882q-3.087 6-6.86 11.312l-2.741 3.77c-1.141 1.488-2.399 2.972-3.657 4.457-1.03 1.144-2.058 2.285-3.086 3.316-2.058 2.172-4.343 4.227-6.629 6.172a53 53 0 0 1-3.886 3.2c-1.598 1.144-3.086 2.284-4.684 3.429-1.031.683-2.058 1.371-3.086 1.941-1.144.684-2.172 1.258-3.316 1.942a131 131 0 0 1-6.969 3.543c-2.059.918-4.117 1.828-6.289 2.515-2.285.801-4.57 1.602-6.969 2.285-3.543.914-7.086 1.715-10.742 2.286-2.629.457-5.258.687-8 .914-2.86.23-5.601.23-8.457.23-3.086 0-6.289-.23-9.488-.57a83 83 0 0 1-7.086-1.031c-2.055-.34-4.113-.801-6.168-1.258-1.031-.227-2.176-.57-3.203-.797-2.973-.8-6.055-1.602-9.028-2.516-1.488-.457-2.972-.914-4.457-1.258-2.172-.683-4.457-1.37-6.629-2.058-1.828-.57-3.656-1.14-5.37-1.711q-2.573-.86-5.145-1.715c-1.14-.344-2.285-.8-3.543-1.144-1.371-.457-2.856-1.028-4.227-1.485-1.027-.344-2.058-.687-2.972-1.027-1.942-.688-4-1.488-5.942-2.172-1.144-.457-2.285-.914-3.43-1.258-1.484-.57-3.085-1.144-4.57-1.828-1.601-.687-3.203-1.258-4.8-1.945-1.028-.457-2.06-.797-3.087-1.258-1.257-.57-2.628-1.027-3.886-1.598-1.028-.457-1.942-.8-2.969-1.258l-3.086-1.37c-.914-.344-1.832-.801-2.746-1.145a44 44 0 0 1-2.512-1.14c-.8-.345-1.715-.802-2.515-1.145-.914-.344-1.715-.801-2.512-1.141-1.031-.457-2.172-1.031-3.203-1.484-1.14-.575-2.285-1.032-3.426-1.602-1.258-.574-2.402-1.144-3.66-1.715-1.027-.457-2.055-1.027-3.082-1.484-54.172-26.973-102.172-63.086-143.09-106.746-2.055-2.172-5.71-.684-5.71 2.289l.112 154.398v12.57c0 7.317 3.543 14.06 9.598 18.172 38.172 24.801 83.773 39.543 132.914 39.543" fill="#3370ff"/><path d="M414.84 295.188c0 .113-.113.113-.113.226l.8-1.489c-.343.457-.574 1.028-.8 1.488m3.793-7.05.226-.457.114-.23q-.17.513-.34.687" fill="#133c9a"/><path d="M470.035 201.121c-18.285-9.031-38.86-14.059-60.687-14.059-12.914 0-25.485 1.829-37.371 5.141-1.372.344-2.743.8-4.114 1.258-.914.344-1.941.574-2.855.914-1.945.688-3.774 1.375-5.602 2.059-3.316 1.257-6.629 2.742-9.828 4.23-3.43 1.598-6.742 3.426-10.058 5.371a128 128 0 0 0-9.715 6.285c-2.285 1.602-4.457 3.2-6.512 4.914a154 154 0 0 0-6.86 5.828c-1.14 1.141-2.398 2.172-3.542 3.313l-6.055 6.059-4.344 4.343-4.8 4.684-4.57 4.46-4.802 4.798-11.086 11.086c-.687.687-1.37 1.37-2.058 1.945l-1.028 1.027c-.457.457-1.027 1.028-1.601 1.485-.57.57-1.14 1.031-1.711 1.601a244.4 244.4 0 0 1-49.828 35.313c1.027.457 2.168 1.027 3.199 1.488.8.34 1.715.797 2.512 1.14.8.344 1.715.801 2.515 1.145.801.344 1.602.684 2.516 1.14.914.345 1.828.802 2.742 1.145l3.086 1.371c1.027.457 1.942.801 2.969 1.258 1.258.57 2.629 1.028 3.887 1.598 1.03.46 2.058.8 3.086 1.258 1.601.687 3.199 1.258 4.8 1.945 1.485.57 3.086 1.14 4.57 1.828 1.145.457 2.286.914 3.43 1.258 1.946.684 4 1.484 5.946 2.172a81 81 0 0 1 2.968 1.027c1.371.457 2.856 1.028 4.23 1.485 1.141.343 2.286.8 3.544 1.14q2.567.86 5.14 1.719c1.829.57 3.657 1.14 5.372 1.71 2.171.688 4.457 1.376 6.628 2.06 1.489.457 2.973.914 4.457 1.257 2.973.914 5.942 1.715 9.032 2.512 1.027.344 2.168.574 3.199.8 2.055.458 4.113.915 6.172 1.259 2.398.457 4.683.8 7.082 1.03 3.203.34 6.402.571 9.488.571 2.856 0 5.715 0 8.457-.23 2.63-.227 5.371-.457 8-.914 3.656-.57 7.2-1.371 10.742-2.286 2.399-.683 4.688-1.37 6.973-2.285 2.172-.8 4.227-1.601 6.285-2.515 2.399-1.028 4.684-2.285 6.973-3.543 1.14-.57 2.168-1.258 3.312-1.942 1.028-.687 2.059-1.257 3.086-1.945 1.602-1.027 3.2-2.168 4.684-3.426a52 52 0 0 0 3.887-3.203c2.289-1.941 4.457-4 6.628-6.168 1.032-1.031 2.06-2.172 3.086-3.316 1.258-1.485 2.516-2.969 3.657-4.457.918-1.258 1.828-2.512 2.742-3.77 2.515-3.543 4.8-7.316 6.86-11.199l2.284-4.688 21.145-42.171v.113c6.742-14.742 16.226-28.113 27.656-39.426" fill="#133c9a"/></svg>
          <span data-i18n="settings.tabFeishu">飞书</span>
        </button>
        <button class="settings-tab" data-tab="oauth" onclick="switchSettingsTab('oauth')">
          <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M15 3h4a2 2 0 012 2v14a2 2 0 01-2 2h-4"/><polyline points="10 17 15 12 10 7"/><line x1="15" y1="12" x2="3" y2="12"/></svg>
          <span data-i18n="settings.tabOAuth">订阅登录</span>
        </button>

        <button class="settings-tab" data-tab="mcp" onclick="switchSettingsTab('mcp')">
          <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M12 2v4m0 12v4M2 12h4m12 0h4"/><circle cx="12" cy="12" r="3"/><path d="M12 8V6m0 12v-2M8 12H6m12 0h-2"/></svg>
          <span>MCP</span>
        </button>
        <button class="settings-tab" data-tab="advanced" onclick="switchSettingsTab('advanced')">
          <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="16 18 22 12 16 6"/><polyline points="8 6 2 12 8 18"/></svg>
          <span data-i18n="settings.tabAdvanced">高级</span>
        </button>
      </nav>

      <!-- Tab Content Panels -->
      <div class="settings-content">

        <!-- ═══ General Tab ═══ -->
        <div class="settings-tab-panel active" id="settingsTab_general">
          <div class="settings-row two-col">
            <div class="settings-field">
              <div class="settings-section-title" data-i18n="settings.theme" style="margin-bottom:8px">主题</div>
              <div class="theme-picker" id="themePicker">
                <div class="theme-option active" data-theme="dark" onclick="selectTheme('dark')">
                  <div class="theme-preview dark-preview"></div>
                  <span data-i18n="settings.themeDark">🌙 暗色</span>
                </div>
                <div class="theme-option" data-theme="light" onclick="selectTheme('light')">
                  <div class="theme-preview light-preview"></div>
                  <span data-i18n="settings.themeLight">☀️ 亮色</span>
                </div>
                <div class="theme-option" data-theme="tofu" onclick="selectTheme('tofu')">
                  <div class="theme-preview tofu-preview"></div>
                  <span data-i18n="settings.themeTofu">🍮 豆腐</span>
                </div>
              </div>
            </div>
            <div class="settings-field">
              <div class="settings-section-title" data-i18n="settings.language" style="margin-bottom:8px">界面语言</div>
              <div class="lang-picker" id="langPicker">
                <div class="lang-option active" data-lang="zh" onclick="_onLanguageChange('zh')">
                  <span class="lang-flag">🇨🇳</span>
                  <span class="lang-label">中文</span>
                </div>
                <div class="lang-option" data-lang="en" onclick="_onLanguageChange('en')">
                  <span class="lang-flag">🇺🇸</span>
                  <span class="lang-label">English</span>
                </div>
              </div>
              <!-- hidden select kept for JS compat -->
              <select id="settingLanguage" style="display:none" onchange="_onLanguageChange(this.value)">
                <option value="zh">中文</option>
                <option value="en">English</option>
              </select>
            </div>
          </div>

          <div class="settings-divider"></div>
          <div class="settings-section-title" data-i18n="settings.modelParams">模型参数</div>
          <div class="settings-group">
            <div class="settings-row">
              <div class="settings-field">
                <label data-i18n="settings.temperature">温度 (Temperature)</label>
                <div class="range-row"><input type="range" id="settingTemp" min="0" max="1" step="0.05" value="0.7" oninput="document.getElementById('tempVal').textContent=this.value"><span class="range-value" id="tempVal">0.7</span></div>
              </div>
            </div>
            <div class="settings-row two-col">
              <div class="settings-field">
                <label data-i18n="settings.maxTokens">最大 Token 数</label>
                <input type="number" id="settingMaxTokens" value="128000">
              </div>
              <div class="settings-field">
                <label data-i18n="settings.imageMaxWidth">图片最大宽度</label>
                <input type="number" id="settingImageMaxWidth" value="1024" placeholder="0=不压缩" data-i18n-placeholder="settings.imageMaxWidthPh">
              </div>
            </div>
            <div class="settings-row two-col">
              <div class="settings-field">
                <label data-i18n="settings.defaultThinkingDepth">默认思维深度 (Thinking Depth)</label>
                <select id="settingDefaultThinkingDepth" style="max-width:340px">
                  <option value="off" data-i18n="settings.thinkingOff">Off — 关闭</option>
                  <option value="medium" selected data-i18n="settings.thinkingMedium">Medium — 中等</option>
                  <option value="high" data-i18n="settings.thinkingHigh">High — 深度</option>
                  <option value="xhigh" data-i18n="settings.thinkingXHigh">xHigh — 超深度 (Claude 4.7+)</option>
                  <option value="max" data-i18n="settings.thinkingMax">Max — 最大</option>
                </select>
                <div class="settings-toggle-desc" data-i18n="settings.defaultThinkingDesc">新对话的默认思维深度级别</div>
              </div>
            </div>
          </div>

          <div class="settings-divider"></div>
          <div class="settings-section-title" data-i18n="settings.systemPrompt">系统提示词</div>
          <textarea id="settingSystem" class="settings-textarea settings-mono" placeholder="输入自定义系统提示词..." data-i18n-placeholder="settings.systemPromptPh"></textarea>

          <div class="settings-divider"></div>
          <div class="settings-section-title" data-i18n="settings.featureModules">功能模块</div>
          <div class="settings-group">
            <div class="settings-toggle-row">
              <div>
                <span class="settings-toggle-label" data-i18n="settings.tradingModule">交易 / 基金模块</span>
                <div class="settings-toggle-desc" data-i18n="settings.tradingModuleDesc">交易顾问、基金筛选、自动驾驶、资讯爬虫</div>
              </div>
              <label class="stg-toggle">
                <input type="checkbox" id="settingTradingEnabled">
                <span class="stg-toggle-track"><span class="stg-toggle-thumb"></span></span>
              </label>
            </div>
            <div id="tradingRestartHint" class="settings-hint-banner" style="display:none;" data-i18n="settings.tradingRestart">需要重启服务器才能生效</div>
            <div class="settings-toggle-row" style="margin-top:8px">
              <div>
                <span class="settings-toggle-label" data-i18n="settings.pptxTranslateModule">PPT 翻译模块</span>
                <div class="settings-toggle-desc" data-i18n="settings.pptxTranslateModuleDesc">上传 PPTX 文件进行全文翻译，保留原始格式</div>
              </div>
              <label class="stg-toggle">
                <input type="checkbox" id="settingPptxTranslateEnabled">
                <span class="stg-toggle-track"><span class="stg-toggle-thumb"></span></span>
              </label>
            </div>
          </div>

          <div class="settings-group">
            <div class="settings-toggle-row">
              <div>
                <span class="settings-toggle-label" data-i18n="settings.debugMode">调试模式</span>
                <div class="settings-toggle-desc" data-i18n="settings.debugModeDesc">显示 trace_id、复制会话 ID 按钮等开发调试信息</div>
              </div>
              <label class="stg-toggle">
                <input type="checkbox" id="settingDebugMode">
                <span class="stg-toggle-track"><span class="stg-toggle-thumb"></span></span>
              </label>
            </div>
          </div>

          <div class="settings-group">
            <div class="settings-toggle-row">
              <div>
                <span class="settings-toggle-label" data-i18n="settings.keepToolHistory">保留工具调用历史</span>
                <div class="settings-toggle-desc" data-i18n="settings.keepToolHistoryDesc">多轮对话时保留完整的工具调用记录（搜索内容、网页抓取结果等），模型能看到之前搜过什么，避免重复调用。关闭可节省 token 但模型会丢失工具上下文</div>
              </div>
              <label class="stg-toggle">
                <input type="checkbox" id="settingKeepToolHistory" checked>
                <span class="stg-toggle-track"><span class="stg-toggle-thumb"></span></span>
              </label>
            </div>
          </div>

          <div class="settings-group">
            <div class="settings-row">
              <div class="settings-field">
                <label data-i18n="settings.inputSendMode">输入框发送方式</label>
                <select id="settingInputSendMode" style="max-width:340px">
                  <option value="enter" data-i18n="settings.inputSendModeEnter">Enter 发送 · Ctrl+Enter 换行</option>
                  <option value="ctrl_enter" data-i18n="settings.inputSendModeCtrlEnter">Ctrl+Enter 发送 · Enter 换行</option>
                </select>
                <div class="settings-toggle-desc" data-i18n="settings.inputSendModeDesc">选择触发"发送消息"的按键。Shift+Enter 始终插入换行。</div>
              </div>
            </div>
          </div>


        </div>

        <!-- ═══ Providers Tab — providers with nested models ═══ -->
        <div class="settings-tab-panel" id="settingsTab_api">
          <div class="stg-section-head">
            <div class="settings-section-title" data-i18n="settings.providersTitle">API 服务商 & 模型</div>
            <div class="stg-section-actions">
              <button class="stg-btn-add stg-refresh-btn" onclick="_showAutoSetupModal()" data-i18n="settings.autoSetup">🚀 自动配置</button>
              <button class="stg-btn-add stg-refresh-btn" onclick="_showTemplateMenu(this)" data-i18n="settings.fromTemplate">⚡ 从模板添加</button>
              <button class="stg-btn-add stg-refresh-btn" onclick="addProvider()" data-i18n="settings.customProvider">+ 自定义服务商</button>
            </div>
          </div>
          <p class="settings-desc" data-i18n="settings.providersDesc">使用「🚀 自动配置」只需填写 API 地址和密钥，系统自动发现模型、检测余额接口和定价。也可从模板添加或手动创建。</p>
          <div id="stgProviderList">
            <!-- JS renders provider cards with nested model lists -->
          </div>
        </div>

        <!-- ═══ Preset Tab — image gen + model dropdown visibility ═══ -->
        <div class="settings-tab-panel" id="settingsTab_preset">
          <div class="stg-section-head">
            <div class="settings-section-title" data-i18n="settings.imageGen">图片生成</div>
            <div class="stg-section-actions">
              <button class="stg-btn-secondary btn-xs" onclick="_toggleAllIgModels(true)" data-i18n="settings.showAll">全部显示</button>
              <button class="stg-btn-secondary btn-xs" onclick="_toggleAllIgModels(false)" data-i18n="settings.hideAll">全部隐藏</button>
            </div>
          </div>
          <p class="settings-desc" data-i18n="settings.igDesc">选择在图片生成选择器中显示哪些模型。隐藏的模型仍然可用，只是不会出现在选择器中。</p>
          <div id="stgIgVisibility" class="stg-dropdown-visibility">
            <!-- JS renders image gen model toggles -->
          </div>

          <div class="settings-divider"></div>
          <div class="stg-section-head">
            <div class="settings-section-title" data-i18n="settings.modelDropdown">模型下拉列表</div>
            <div class="stg-section-actions">
              <button class="stg-btn-secondary btn-xs" onclick="_toggleAllDropdownModels(true)" data-i18n="settings.showAll">全部显示</button>
              <button class="stg-btn-secondary btn-xs" onclick="_toggleAllDropdownModels(false)" data-i18n="settings.hideAll">全部隐藏</button>
            </div>
          </div>
          <p class="settings-desc" data-i18n="settings.modelDropdownDesc">选择在模型切换下拉列表中显示哪些模型。隐藏的模型仍然可用，只是不会出现在下拉列表中。</p>
          <div id="stgDropdownVisibility" class="stg-dropdown-visibility">
            <!-- JS renders model toggles -->
          </div>

          <div class="settings-divider"></div>
          <div class="settings-section-title" data-i18n="settings.modelDefaults">模型默认</div>
          <p class="settings-desc" data-i18n="settings.modelDefaultsDesc">
            配置自动回退模型和预设的默认模型。当主模型请求失败时，系统将自动切换到回退模型继续生成。
            预设默认模型用于快捷切换时的模型选择。留空表示禁用或使用系统默认。
          </p>
          <div class="settings-group">
            <div class="settings-row two-col">
              <div class="settings-field">
                <label data-i18n-html="settings.fallbackModel">回退模型 <span style="color:var(--text-tertiary);font-weight:normal">（主模型失败时自动切换）</span></label>
                <select id="settingFallbackModel" class="settings-select">
                  <option value="" data-i18n="settings.disableFallback">（禁用自动回退）</option>
                  <!-- JS populates from available models -->
                </select>
              </div>
              <div class="settings-field">
                <label data-i18n-html="settings.defaultModel">默认模型 <span style="color:var(--text-tertiary);font-weight:normal">（LLM_MODEL）</span></label>
                <select id="settingDefaultModel" class="settings-select">
                  <option value="" data-i18n="settings.useEnvVar">（使用环境变量）</option>
                  <!-- JS populates from available models -->
                </select>
              </div>
            </div>

          </div>
        </div>

        <!-- ═══ Search & Fetch Tab ═══ -->
        <div class="settings-tab-panel" id="settingsTab_search">
          <div class="settings-section-title" data-i18n="settings.searchFetch">搜索与抓取</div>
          <div class="settings-divider"></div>
          <div class="settings-toggle-row">
            <div>
              <span class="settings-toggle-label" data-i18n="settings.llmContentFilter">LLM 内容过滤</span>
              <div class="settings-toggle-desc" data-i18n="settings.llmContentFilterDesc">抓取网页后用模型过滤无关内容（导航栏、广告等）。关闭可显著提升抓取速度并节省 token，但搜索质量会下降</div>
            </div>
            <label class="stg-toggle">
              <input type="checkbox" id="settingLlmContentFilter" checked>
              <span class="stg-toggle-track"><span class="stg-toggle-thumb"></span></span>
            </label>
          </div>
          <div class="settings-divider"></div>
          <div class="settings-section-title" data-i18n="settings.searchFetchParams">搜索与抓取参数</div>
          <div class="settings-group">
            <div class="settings-row two-col">
              <div class="settings-field">
                <label>抓取前 N 条 <span style="color:var(--text-tertiary);font-weight:normal">（搜索后自动抓取排名靠前的网页）</span></label>
                <input type="number" id="settingFetchTopN" value="6" min="1" max="20">
              </div>
              <div class="settings-field">
                <label>抓取超时 <span style="color:var(--text-tertiary);font-weight:normal">（秒）</span></label>
                <input type="number" id="settingFetchTimeout" value="15" min="5" max="60">
              </div>
            </div>
            <div class="settings-row two-col">
              <div class="settings-field">
                <label>最大字符数 <span style="color:var(--text-tertiary);font-weight:normal">（搜索结果页面）</span></label>
                <input type="number" id="settingMaxCharsSearch" value="60000">
              </div>
              <div class="settings-field">
                <label>最大字符数 <span style="color:var(--text-tertiary);font-weight:normal">（直接抓取 URL）</span></label>
                <input type="number" id="settingMaxCharsDirect" value="200000">
              </div>
            </div>
            <div class="settings-row two-col">
              <div class="settings-field">
                <label>最大字符数 <span style="color:var(--text-tertiary);font-weight:normal">（PDF 文件，0=不限制）</span></label>
                <input type="number" id="settingMaxCharsPdf" value="0" placeholder="0=不限制">
              </div>
              <div class="settings-field">
                <label>最大下载大小 <span style="color:var(--text-tertiary);font-weight:normal">（字节，默认 20MB）</span></label>
                <input type="number" id="settingMaxBytes" value="20971520">
              </div>
            </div>
          </div>

          <div class="settings-divider"></div>
          <div class="settings-section-title" data-i18n="settings.blockedDomains">屏蔽域名</div>
          <p class="settings-desc" data-i18n="settings.blockedDomainsDesc">抓取器不会访问的域名，每行一个。</p>
          <textarea id="settingSkipDomains" class="settings-textarea settings-mono" rows="4" placeholder="youtube.com&#10;twitter.com&#10;facebook.com"></textarea>
        </div>

        <!-- ═══ Translation Tab ═══ -->
        <div class="settings-tab-panel" id="settingsTab_translate">
          <div class="settings-section-title">
            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="vertical-align:-3px;margin-right:6px;opacity:.65"><path d="M5 8l6 6"/><path d="M4 14l6-6 2-3"/><path d="M2 5h12"/><path d="M7 2v3"/><path d="M22 22l-5-10-5 10"/><path d="M14 18h6"/></svg>
            <span data-i18n="settings.mtService">机器翻译服务</span>
          </div>
          <p class="settings-desc" data-i18n-html="settings.mtServiceDesc">配置专用机器翻译 API，比 LLM 翻译更快、更便宜。<br>未配置或关闭时，翻译将自动使用 LLM cheap 模型。</p>

          <div class="settings-group">
            <div class="settings-toggle-row">
              <div>
                <span class="settings-toggle-label" data-i18n="settings.mtEnable">启用机器翻译</span>
                <div class="settings-toggle-desc" data-i18n="settings.mtEnableDesc">开启后，翻译将优先使用机器翻译 API，失败时自动回退到 LLM</div>
              </div>
              <label class="stg-toggle">
                <input type="checkbox" id="settingMtEnabled">
                <span class="stg-toggle-track"><span class="stg-toggle-thumb"></span></span>
              </label>
            </div>
          </div>

          <div id="mtProviderFields" style="display:none">
            <div class="settings-divider"></div>

            <!-- Provider selector -->
            <div class="settings-section-title" style="display:flex;align-items:center;gap:8px">
              <span data-i18n="settings.mtProvider">翻译服务商</span>
              <select id="settingMtProvider" class="mt-provider-select" onchange="_switchMtProvider(this.value)">
                <option value="niutrans" data-i18n="settings.mtProviderNiutrans">小牛翻译 NiuTrans</option>
                <option value="custom" data-i18n="settings.mtProviderCustom">自定义 Custom</option>
              </select>
            </div>

            <!-- ── NiuTrans provider card ── -->
            <div class="mt-provider-card" id="mtCardNiutrans">
              <div class="mt-provider-card-header">
                <div class="mt-provider-logo" style="background:linear-gradient(135deg,rgba(85,137,252,.12),rgba(85,137,252,.04));border-color:rgba(85,137,252,.25)">
                  <img src="static/icons/niutrans.svg" width="22" height="22" alt="NiuTrans">
                </div>
                <div class="mt-provider-info">
                  <div class="mt-provider-name">
                    <span data-i18n="settings.mtNiutransName">小牛翻译</span> <span style="color:var(--text-tertiary);font-weight:400">NiuTrans</span>
                  </div>
                  <div class="mt-provider-desc" data-i18n="settings.mtNiutransDesc">支持 400+ 语种互译 · 中英日韩高质量翻译 · 东北大学 NLP 实验室</div>
                </div>
                <a href="https://niutrans.com/cloud/overview" target="_blank" rel="noopener noreferrer" class="mt-apply-link">
                  <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"/><polyline points="15 3 21 3 21 9"/><line x1="10" y1="14" x2="21" y2="3"/></svg>
                  <span data-i18n="settings.mtApplyKey">申请 API Key</span>
                </a>
              </div>

              <div class="mt-provider-card-body">
                <div class="settings-row">
                  <div class="settings-field">
                    <label>API Key</label>
                    <input type="password" id="settingMtApiKey" placeholder="在小牛翻译控制台 → API 管理中获取" data-i18n-placeholder="settings.mtApiKeyPh" spellcheck="false">
                  </div>
                </div>

                <div class="settings-row two-col">
                  <div class="settings-field">
                    <label><span data-i18n="settings.mtAppIdLabel">App ID</span> <span style="color:var(--text-tertiary);font-weight:normal" data-i18n="settings.mtAppIdHint">（可选，v2 签名鉴权）</span></label>
                    <input type="text" id="settingMtAppId" placeholder="留空使用简单 API Key 鉴权 (v1)" data-i18n-placeholder="settings.mtAppIdPh" spellcheck="false">
                  </div>
                  <div class="settings-field">
                    <label><span data-i18n="settings.mtApiUrlLabel">API 地址</span> <span style="color:var(--text-tertiary);font-weight:normal" data-i18n="settings.mtApiUrlHint">（可选）</span></label>
                    <input type="text" id="settingMtApiUrl" class="settings-mono" placeholder="留空使用默认地址" data-i18n-placeholder="settings.mtApiUrlPh" spellcheck="false">
                  </div>
                </div>

                <div class="settings-row" style="align-items:center;gap:12px;margin-top:4px">
                  <button class="stg-btn-secondary" onclick="_testMtProvider()" id="mtTestBtn">
                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="vertical-align:-2px;margin-right:4px"><path d="M22 11.08V12a10 10 0 1 1-5.93-9.14"/><polyline points="22 4 12 14.01 9 11.01"/></svg>
                    <span data-i18n="settings.mtTestBtn">测试连接</span>
                  </button>
                  <span id="mtTestResult" style="font-size:13px"></span>
                </div>
              </div>
            </div>
            <!-- end NiuTrans card -->

            <!-- ── Custom provider card ── -->
            <div class="mt-provider-card" id="mtCardCustom" style="display:none">
              <div class="mt-provider-card-header">
                <div class="mt-provider-logo" style="background:linear-gradient(135deg,rgba(136,136,136,.10),rgba(136,136,136,.04));border-color:rgba(136,136,136,.2)">
                  <svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="#888" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round">
                    <circle cx="12" cy="12" r="10"/>
                    <path d="M2 12h20"/>
                    <path d="M12 2a15.3 15.3 0 014 10 15.3 15.3 0 01-4 10 15.3 15.3 0 01-4-10A15.3 15.3 0 0112 2z"/>
                  </svg>
                </div>
                <div class="mt-provider-info">
                  <div class="mt-provider-name">
                    <span data-i18n="settings.mtCustomName">自定义服务商</span> <span style="color:var(--text-tertiary);font-weight:400">Custom</span>
                  </div>
                  <div class="mt-provider-desc" data-i18n="settings.mtCustomDesc">接入其他兼容 NiuTrans API 格式的翻译服务</div>
                </div>
              </div>