From 7eeb9bb46dec129e3d027eba039b7c6cec61a4dd Mon Sep 17 00:00:00 2001
From: xunbu <xunbu3@qq.com>
Date: Sun, 17 Aug 2025 18:05:22 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dtooltip=E6=9C=AA=E6=98=BE?=
 =?UTF-8?q?=E7=A4=BA=E7=9A=84bug?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docutranslate/static/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/docutranslate/static/index.html b/docutranslate/static/index.html
index 1de0f1e..3633645 100644
--- a/docutranslate/static/index.html
+++ b/docutranslate/static/index.html
@@ -1 +1 @@
-<!DOCTYPE html><html lang="zh-CN" data-bs-theme="auto"><head>    <meta charset="UTF-8">    <meta name="viewport" content="width=device-width, initial-scale=1.0">    <title data-i18n-title="pageTitle">DocuTranslate - 交互式文档翻译</title>    <link rel="icon" href="/static/favicon.ico" type="image/x-icon">    <!-- Bootstrap CSS -->    <link href="/static/bootstrap.css" rel="stylesheet" crossorigin="anonymous">    <!-- Bootstrap Icons -->    <link rel="stylesheet" href="/static/bootstrap-icons.css">    <style>        body {            background-color: var(--bs-body-bg);        }        .main-container {            display: flex;            flex-direction: column;            height: 100vh;            padding-top: 1rem;            padding-bottom: 1rem;        }        .settings-panel {            height: calc(100vh - 2rem);            overflow-y: auto;            padding-right: 15px; /* for scrollbar */        }        .task-area {            height: calc(100vh - 2rem);            overflow-y: auto;        }        .task-card {            transition: all 0.3s ease-in-out;        }        .task-id-placeholder {            color: var(--bs-secondary-color);            font-style: italic;        }        .log-area {            height: 150px;            background-color: var(--bs-tertiary-bg);            border: 1px solid var(--bs-border-color);            border-radius: .375rem;            font-family: monospace;            font-size: 0.8rem;            padding: 10px;            overflow-y: auto;            white-space: pre-wrap;            word-break: break-all;        }        .file-drop-area {            border: 2px dashed var(--bs-secondary-bg);            border-radius: .375rem;            padding: 2rem;            text-align: center;            cursor: pointer;            transition: all 0.2s ease-in-out;            background-color: var(--bs-body-bg);        }        .file-drop-area.drag-over {            border-color: var(--bs-primary);            background-color: var(--bs-secondary-bg);        }        .file-drop-area.file-selected {            border-style: solid;            border-color: var(--bs-success);            background-color: var(--bs-success-bg-subtle);        }        .file-drop-area.input-error {            border-color: var(--bs-danger);        }        .file-name-display.input-error-text {            color: var(--bs-danger);            font-weight: bold;        }        #printFrame, #translatedPreviewFrame {            border: none;            width: 100%;        }        #previewOffcanvas {            --bs-offcanvas-width: 95vw;            max-width: 1600px;        }        .preview-split-container {            display: flex;            flex-direction: row;            height: 90%;        }        .preview-pane-wrapper {            display: flex;            flex-direction: column;            overflow: hidden; /* Important for split.js */        }        .preview-pane-wrapper h6 {            flex-shrink: 0;            padding: 0.25rem;        }        .preview-pane-wrapper .preview-pane {            flex-grow: 1; /* Make the inner pane grow */            border: 1px solid var(--bs-border-color);            border-radius: .375rem;            overflow: auto;        }        .gutter {            background-color: var(--bs-tertiary-bg);            background-repeat: no-repeat;            background-position: 50%;        }        .gutter.gutter-horizontal {            cursor: col-resize;            border-left: 1px solid var(--bs-border-color);            border-right: 1px solid var(--bs-border-color);        }        .gutter.gutter-vertical {            cursor: row-resize;            border-top: 1px solid var(--bs-border-color);            border-bottom: 1px solid var(--bs-border-color);        }        .preview-pane iframe, .preview-pane pre {            width: 100%;            height: 95%;            border: none;            margin: 0;            padding: 0;            overflow: auto;            background-color: var(--bs-body-bg);        }        .slider-reset-btn {            visibility: hidden;        }        .bottom-left-controls {            position: fixed;            bottom: 1rem;            left: 1rem;            z-index: 1050;            display: flex;            gap: 0.5rem;        }        @media (max-width: 991.98px) {            .main-container {                height: auto;                padding-bottom: 6rem;            }            .settings-panel, .task-area {                height: auto;                overflow-y: visible;            }            .settings-panel {                padding-right: 0;                margin-bottom: 2rem;            }        }        @media (max-width: 767.98px) {            .task-card .col-md-7 {                margin-top: 1.5rem;            }            #previewOffcanvas {                --bs-offcanvas-width: 100vw;            }        }    </style></head><body><div class="container-fluid main-container">    <div class="row gx-4">        <!-- Left: Settings Panel -->        <div class="col-lg-4">            <div class="settings-panel">                <div class="d-flex justify-content-between align-items-center mb-3">                    <div class="d-flex align-items-center">                        <h4 class="mb-0 me-3"><i class="bi"></i>DocuTranslate</h4>                        <span id="versionDisplay" class="badge bg-success me-4"></span>                        <div class="btn-group">                            <button type="button" class="btn btn-sm btn-outline-info" data-bs-toggle="modal"                                    data-bs-target="#tutorialModal">                                <i class="bi bi-question-circle-fill me-1"></i><span data-i18n="tutorialBtn">教程</span>                            </button>                            <button type="button" class="btn btn-sm btn-outline-warning" data-bs-toggle="modal"                                    data-bs-target="#contributorsModal">                                <i class="bi bi-people-fill me-1"></i><span data-i18n="projectContributeBtn">项目协作</span>                            </button>                        </div>                    </div>                </div>                <form id="translateForm">                    <div class="accordion" id="settingsAccordion">                        <!-- Workflow Selection -->                        <div class="accordion-item" id="workflowSettingsContainer">                            <h2 class="accordion-header" id="headingZero">                                <button class="accordion-button" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseZero" aria-expanded="true"                                        aria-controls="collapseZero">                                    <strong><i class="bi bi-diagram-3 me-2"></i><span data-i18n="workflowTitle">1. 选择工作流</span></strong>                                </button>                            </h2>                            <div id="collapseZero" class="accordion-collapse collapse show"                                 aria-labelledby="headingZero">                                <div class="accordion-body">                                    <select class="form-select" id="workflowTypeSelect">                                        <option value="markdown_based" data-i18n="workflowOptionMarkdown">转Markdown再翻译 (.pdf/.md/.png等)</option>                                        <option value="txt" data-i18n="workflowOptionTxt">纯文本翻译 (.txt)</option>                                        <option value="json" data-i18n="workflowOptionJson">JSON翻译 (.json)</option>                                        <option value="docx" data-i18n="workflowOptionDocx">DOCX翻译 (.docx)</option>                                        <option value="xlsx" data-i18n="workflowOptionXlsx">XLSX翻译 (.xlsx)</option>                                        <option value="srt" data-i18n="workflowOptionSrt">SRT字幕翻译 (.srt)</option>                                        <option value="epub" data-i18n="workflowOptionEpub">EPUB翻译 (.epub)</option>                                    </select>                                    <div class="form-check form-switch mt-2">                                        <input class="form-check-input" type="checkbox" role="switch"                                               id="autoWorkflowSwitch">                                        <label class="form-check-label" for="autoWorkflowSwitch" data-i18n="autoWorkflowLabel">自动选择工作流</label>                                    </div>                                </div>                            </div>                        </div>                        <!-- [NEW] DOCX Settings Container -->                        <div class="accordion-item" id="docxSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingDocx">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseDocx" aria-expanded="false"                                        aria-controls="collapseDocx">                                    <strong id="docxSettingsTitle"><i class="bi bi-file-earmark-word-fill me-2"></i>2.                                        DOCX翻译选项</strong>                                </button>                            </h2>                            <div id="collapseDocx" class="accordion-collapse collapse" aria-labelledby="headingDocx">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="docx_insert_mode" class="form-label" data-i18n="insertModeLabel">插入模式</label>                                        <select class="form-select" id="docx_insert_mode" name="insert_mode">                                            <option value="replace" data-i18n="insertModeReplace">替换原文 (Replace)</option>                                            <option value="append" data-i18n="insertModeAppend">附加到原文后 (Append)</option>                                            <option value="prepend" data-i18n="insertModePrepend">附加到原文前 (Prepend)</option>                                        </select>                                        <div class="form-text" data-i18n="insertModeHelpDocx">选择如何将翻译后的文本插入。</div>                                    </div>                                    <div class="mb-3" id="docxSeparatorGroup" style="display: none;">                                        <label for="docx_separator" class="form-label" data-i18n="separatorLabel">分隔符</label>                                        <input type="text" class="form-control" id="docx_separator" name="separator"                                               data-i18n-placeholder="separatorPlaceholder" placeholder="例如: \n---翻译---\n">                                        <div class="form-text" data-i18n="separatorHelp">                                            当插入模式为附加或前置时，用于分隔原文和译文的字符。<code>\n</code> 代表换行。                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- XLSX Settings Container -->                        <div class="accordion-item" id="xlsxSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingXlsx">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseXlsx" aria-expanded="false"                                        aria-controls="collapseXlsx">                                    <strong id="xlsxSettingsTitle"><i                                            class="bi bi-file-earmark-spreadsheet-fill me-2"></i>2.                                        XLSX翻译选项</strong>                                </button>                            </h2>                            <div id="collapseXlsx" class="accordion-collapse collapse" aria-labelledby="headingXlsx">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="xlsx_insert_mode" class="form-label" data-i18n="insertModeLabel">插入模式</label>                                        <select class="form-select" id="xlsx_insert_mode" name="insert_mode">                                            <option value="replace" data-i18n="insertModeReplace">替换原文 (Replace)</option>                                            <option value="append" data-i18n="insertModeAppend">附加到原文后 (Append)</option>                                            <option value="prepend" data-i18n="insertModePrepend">附加到原文前 (Prepend)</option>                                        </select>                                        <div class="form-text" data-i18n="insertModeHelpXlsx">选择如何将翻译后的文本插入到单元格中。</div>                                    </div>                                    <div class="mb-3" id="xlsxSeparatorGroup" style="display: none;">                                        <label for="xlsx_separator" class="form-label" data-i18n="separatorLabel">分隔符</label>                                        <input type="text" class="form-control" id="xlsx_separator" name="separator"                                               data-i18n-placeholder="separatorPlaceholderSimple" placeholder="例如: \n---\n">                                        <div class="form-text" data-i18n="separatorHelp">                                            当插入模式为附加或前置时，用于分隔原文和译文的字符。<code>\n</code> 代表换行。                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- [NEW] SRT Settings Container -->                        <div class="accordion-item" id="srtSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingSrt">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseSrt" aria-expanded="false"                                        aria-controls="collapseSrt">                                    <strong id="srtSettingsTitle"><i class="bi bi-filetype-srt me-2"></i>2.                                        SRT翻译选项</strong>                                </button>                            </h2>                            <div id="collapseSrt" class="accordion-collapse collapse" aria-labelledby="headingSrt">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="srt_insert_mode" class="form-label" data-i18n="insertModeLabel">插入模式</label>                                        <select class="form-select" id="srt_insert_mode" name="insert_mode">                                            <option value="replace" data-i18n="insertModeReplace">替换原文 (Replace)</option>                                            <option value="append" data-i18n="insertModeAppend">附加到原文后 (Append)</option>                                            <option value="prepend" data-i18n="insertModePrepend">附加到原文前 (Prepend)</option>                                        </select>                                        <div class="form-text" data-i18n="insertModeHelpSrt">选择如何将翻译后的文本插入。</div>                                    </div>                                    <div class="mb-3" id="srtSeparatorGroup" style="display: none;">                                        <label for="srt_separator" class="form-label" data-i18n="separatorLabel">分隔符</label>                                        <input type="text" class="form-control" id="srt_separator" name="separator"                                               data-i18n-placeholder="separatorPlaceholderSimple" placeholder="例如: \n---\n">                                        <div class="form-text" data-i18n="separatorHelp">                                            当插入模式为附加或前置时，用于分隔原文和译文的字符。<code>\n</code> 代表换行。                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- [NEW] EPUB Settings Container -->                        <div class="accordion-item" id="epubSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingEpub">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseEpub" aria-expanded="false"                                        aria-controls="collapseEpub">                                    <strong id="epubSettingsTitle"><i class="bi bi-book me-2"></i>2.                                        EPUB翻译选项</strong>                                </button>                            </h2>                            <div id="collapseEpub" class="accordion-collapse collapse" aria-labelledby="headingEpub">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="epub_insert_mode" class="form-label" data-i18n="insertModeLabel">插入模式</label>                                        <select class="form-select" id="epub_insert_mode" name="insert_mode">                                            <option value="replace" data-i18n="insertModeReplace">替换原文 (Replace)</option>                                            <option value="append" data-i18n="insertModeAppend">附加到原文后 (Append)</option>                                            <option value="prepend" data-i18n="insertModePrepend">附加到原文前 (Prepend)</option>                                        </select>                                        <div class="form-text" data-i18n="insertModeHelpEpub">选择如何将翻译后的文本插入。</div>                                    </div>                                    <div class="mb-3" id="epubSeparatorGroup" style="display: none;">                                        <label for="epub_separator" class="form-label" data-i18n="separatorLabel">分隔符</label>                                        <input type="text" class="form-control" id="epub_separator" name="separator"                                               data-i18n-placeholder="separatorPlaceholderSimple" placeholder="例如: \n---\n">                                        <div class="form-text" data-i18n="separatorHelp">                                            当插入模式为附加或前置时，用于分隔原文和译文的字符。<code>\n</code> 代表换行。                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- JSON Paths Settings Container -->                        <div class="accordion-item" id="jsonSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingJson">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseJson" aria-expanded="false"                                        aria-controls="collapseJson">                                    <strong id="jsonSettingsTitle"><i class="bi bi-signpost-split me-2"></i>2. JSON路径配置</strong>                                </button>                            </h2>                            <div id="collapseJson" class="accordion-collapse collapse" aria-labelledby="headingJson">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="json_paths_textarea" class="form-label" data-i18n="jsonPathLabel">需要翻译的JSON路径</label>                                        <textarea class="form-control" id="json_paths_textarea" name="json_paths"                                                  rows="4" required                                                  data-i18n-placeholder="jsonPathPlaceholder" placeholder="每行一个路径, 例如:$.name$.*"></textarea>                                        <div class="form-text" data-i18n="jsonPathHelp">                                            采用<code>jsonpath-ng</code>的路径选择语法，每一行表示一个json路径                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- Parsing Engine Settings Container -->                        <div class="accordion-item" id="parsingSettingsContainer">                            <h2 class="accordion-header" id="headingOne">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseOne" aria-expanded="false" aria-controls="collapseOne">                                    <strong id="parsingSettingsTitle"><i class="bi bi-file-earmark-binary me-2"></i>2.                                        解析配置</strong>                                </button>                            </h2>                            <div id="collapseOne" class="accordion-collapse collapse" aria-labelledby="headingOne">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="convert_engine" class="form-label" data-i18n="parsingEngineLabel">解析引擎</label>                                        <select class="form-select" id="convert_engine" name="convert_engine">                                            <!-- Options will be populated by JS -->                                        </select>                                        <div class="form-text" data-i18n="parsingEngineHelp">如果上传的文件本身是.md格式，此项可不选。</div>                                    </div>                                    <div class="mb-3" id="mineruTokenGroup">                                        <label for="mineru_token" class="form-label">                                            Mineru Token                                            <a href="https://mineru.net/apiManage/token" target="_blank" class="ms-1"                                               data-i18n-title="getMineruTokenTitle" title="获取Mineru Token"><i class="bi bi-box-arrow-up-right"></i></a>                                        </label>                                        <div class="input-group">                                            <input type="password" class="form-control" id="mineru_token"                                                   name="mineru_token" data-i18n-placeholder="mineruTokenPlaceholder" placeholder="使用Mineru引擎时需要">                                            <button class="btn btn-outline-secondary toggle-password" type="button"                                                    data-target="mineru_token">                                                <i class="bi bi-eye-slash"></i>                                            </button>                                        </div>                                    </div>                                    <div class="form-check form-switch mb-2">                                        <input class="form-check-input" type="checkbox" role="switch"                                               id="formula_ocr"                                               name="formula_ocr" checked>                                        <label class="form-check-label" for="formula_ocr" data-i18n="formulaOcrLabel">公式识别</label>                                    </div>                                    <div class="form-check form-switch mb-2" id="codeOcrSwitch">                                        <input class="form-check-input" type="checkbox" role="switch" id="code_ocr"                                               name="code_ocr" checked>                                        <label class="form-check-label" for="code_ocr" data-i18n="codeOcrLabel">代码识别</label>                                    </div>                                </div>                            </div>                        </div>                        <!-- AI Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingTwo">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">                                    <strong id="aiSettingsTitle"><i class="bi bi-robot me-2"></i>3. 翻译模型</strong>                                </button>                            </h2>                            <div id="collapseTwo" class="accordion-collapse collapse" aria-labelledby="headingTwo">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="platform_select" class="form-label" data-i18n="platformLabel">选择平台</label>                                        <select class="form-select" id="platform_select">                                            <option value="custom" data-i18n="platformCustom">自定义接口</option>                                            <option value="https://api.openai.com/v1">OpenAI</option>                                            <option value="https://generativelanguage.googleapis.com/v1beta/openai/">                                                Gemini                                            </option>                                            <option value="https://open.bigmodel.cn/api/paas/v4">智谱AI</option>                                            <option value="https://api.deepseek.com/v1">DeepSeek</option>                                            <option value="https://dashscope.aliyuncs.com/compatible-mode/v1">                                                阿里云百炼                                            </option>                                            <option value="https://www.dmxapi.cn/v1">DMXAPI</option>                                            <option value="https://openrouter.ai/api/v1">OpenRouter</option>                                            <option value="https://ark.cn-beijing.volces.com/api/v3">火山引擎</option>                                            <option value="https://api.siliconflow.cn/v1">硅基流动</option>                                        </select>                                    </div>                                    <div class="mb-3" id="baseUrlGroup">                                        <label for="base_url" class="form-label" data-i18n="baseUrlLabel">API 地址 (Base URL)</label>                                        <input type="url" class="form-control" id="base_url" name="base_url" required data-i18n-placeholder="baseUrlPlaceholder" placeholder="OpenAi兼容地址">                                    </div>                                    <div class="mb-3">                                        <label for="api_key" class="form-label">                                            API Key                                            <a href="#" target="_blank" class="ms-1" id="api_href"                                               data-i18n-title="getApiKeyTitle" title="获取API Key"><i class="bi bi-box-arrow-up-right"></i></a>                                        </label>                                        <div class="input-group">                                            <input type="password" class="form-control" id="api_key" name="api_key"                                                   required                                                   data-i18n-placeholder="apiKeyPlaceholder" placeholder="请输入您的API Key">                                            <button class="btn btn-outline-secondary toggle-password" type="button"                                                    data-target="api_key">                                                <i class="bi bi-eye-slash"></i>                                            </button>                                        </div>                                    </div>                                    <div class="mb-3">                                        <label for="model_id" class="form-label" data-i18n="modelIdLabel">模型 ID</label>                                        <input type="text" class="form-control" id="model_id" name="model_id" required                                               data-i18n-placeholder="modelIdPlaceholder" placeholder="例如: gpt-4o, glm-4">                                    </div>                                </div>                            </div>                        </div>                        <!-- Translation Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingThree">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseThree" aria-expanded="false"                                        aria-controls="collapseThree">                                    <strong id="translationSettingsTitle"><i class="bi bi-translate me-2"></i>4. 翻译配置</strong>                                </button>                            </h2>                            <div id="collapseThree" class="accordion-collapse collapse" aria-labelledby="headingThree">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="to_lang" class="form-label" data-i18n="targetLanguageLabel">目标语言</label>                                        <select class="form-select" id="to_lang" name="to_lang">                                            <option value="中文">中文(简体中文)</option>                                            <option value="英文">英文(English)</option>                                            <option value="西班牙文">西班牙文(Español)</option>                                            <option value="法文">法文(Français)</option>                                            <option value="德文">德文(Deutsch)</option>                                            <option value="日文">日文(日本語)</option>                                            <option value="韩文">韩文(한국어)</option>                                            <option value="俄文">俄文(Русский)</option>                                            <option value="葡萄牙文">葡萄牙文(Português)</option>                                            <option value="阿拉伯文">阿拉伯文(العَرَبِيَّة)</option>                                            <option value="越南文">越南文(tiếng Việt)</option>                                            <option value="custom" data-i18n="targetLanguageCustom">其它 (自定义)</option>                                        </select>                                        <div class="mt-2" id="customLangGroup" style="display: none;">                                            <input type="text" class="form-control" id="custom_to_lang" name="custom_to_lang" data-i18n-placeholder="customLangPlaceholder" placeholder="请输入目标语言, 例如: Italian">                                        </div>                                    </div>                                    <div class="mb-3">                                        <label class="form-label" data-i18n="thinkingModeLabel">思考模式<i                                                class="bi bi-question-circle ms-2 tooltip-icon"                                                data-bs-toggle="tooltip"                                                data-bs-placement="top"                                                data-i18n-title="thinkingModeTooltip"                                                data-bs-title="设置混合推理模型的思考模式，目前支持智谱平台的glm-4.5系列、阿里云的qwen3系列、火山引擎的Doubao-Seed-1.6系列等">                                        </i></label>                                        <div id="thinkingModeBtnGroup" class="btn-group w-100" role="group"                                             aria-label="Thinking Mode Toggle">                                            <input type="radio" class="btn-check" name="thinking" id="thinkingEnable"                                                   value="enable" autocomplete="off">                                            <label class="btn btn-outline-primary" for="thinkingEnable" data-i18n="thinkingModeEnable">启用</label>                                            <input type="radio" class="btn-check" name="thinking" id="thinkingDisable"                                                   value="disable" autocomplete="off">                                            <label class="btn btn-outline-primary" for="thinkingDisable" data-i18n="thinkingModeDisable">禁用</label>                                            <input type="radio" class="btn-check" name="thinking" id="thinkingDefault"                                                   value="default" autocomplete="off">                                            <label class="btn btn-outline-primary" for="thinkingDefault" data-i18n="thinkingModeDefault">默认</label>                                        </div>                                    </div>                                    <div class="mb-3">                                        <label for="custom_prompt" class="form-label" data-i18n="customPromptLabel">自定义Prompt</label>                                        <textarea class="form-control" id="custom_prompt"                                                  name="custom_prompt" rows="3"                                                  data-i18n-placeholder="customPromptPlaceholder" placeholder="可选，如“人名保持原文不翻译”"></textarea>                                    </div>                                </div>                            </div>                        </div>                        <!-- Other Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingFour">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseFour" aria-expanded="false"                                        aria-controls="collapseFour">                                    <strong id="advancedSettingsTitle"><i class="bi bi-sliders me-2"></i>5.                                        高级参数</strong>                                </button>                            </h2>                            <div id="collapseFour" class="accordion-collapse collapse" aria-labelledby="headingFour">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="chunk-size-slider"                                               class="form-label d-flex justify-content-between">                                            <span><span data-i18n="chunkSizeLabel">分块大小</span>: <span id="chunk-size-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="chunk-size-reset" data-i18n="resetBtn">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="1000" max="8000" step="100"                                               id="chunk-size-slider" name="chunk_size">                                    </div>                                    <div class="mb-3">                                        <label for="concurrent-slider"                                               class="form-label d-flex justify-content-between">                                            <span><span data-i18n="concurrentLabel">并发数</span>: <span id="concurrent-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="concurrent-reset" data-i18n="resetBtn">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="1" max="60" step="1"                                               id="concurrent-slider" name="concurrent">                                    </div>                                    <div class="mb-3">                                        <label for="temperature-slider"                                               class="form-label d-flex justify-content-between">                                            <span>Temperature: <span id="temperature-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="temperature-reset" data-i18n="resetBtn">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="0" max="2" step="0.1"                                               id="temperature-slider" name="temperature">                                    </div>                                </div>                            </div>                        </div>                    </div>                </form>                <!-- 项目信息 -->                <div class="mt-4 text-left text-muted small">                    <p class="bi bi-github mb-1" data-i18n="githubInfo">                        GitHub主页(欢迎star❤): <br/>                        <a href="https://github.com/xunbu/docutranslate" target="_blank" rel="noopener noreferrer">https://github.com/xunbu/docutranslate</a>                    </p>                    <p class="bi bi-tencent-qq mb-0" data-i18n="qqGroupInfo">                        交流QQ群: 1047781902                    </p>                </div>            </div>        </div>        <!-- Right: Task Area -->        <div class="col-lg-8">            <div class="task-area" id="task-area-container">                <div class="d-flex justify-content-between align-items-center mb-3">                    <h4 class="mb-0"><i class="bi bi-list-task me-2"></i><span data-i18n="taskListTitle">任务列表</span></h4>                    <button class="btn btn-primary" id="addNewTaskBtn"><i class="bi bi-plus-circle-fill me-2"></i><span data-i18n="newTaskBtn">新建任务</span>                    </button>                </div>                <div id="task-container">                    <!-- Task cards will be injected here -->                </div>                <div id="no-task-placeholder" class="text-center text-muted mt-5">                    <i class="bi bi-journal-plus" style="font-size: 4rem;"></i>                    <p class="mt-3" data-i18n="noTaskPlaceholder">当前没有任务，点击“新建任务”开始吧！</p>                </div>            </div>        </div>    </div></div><!-- Task Card Template --><template id="taskCardTemplate">    <div class="card mb-3 task-card">        <div class="card-header d-flex justify-content-between align-items-center">            <span class="fw-bold"><span data-i18n="taskCardIdLabel">任务 ID</span>: <code class="task-id-display"><span                    class="task-id-placeholder" data-i18n="taskCardIdPlaceholder">等待提交...</span></code></span>            <button type="button" class="btn-close remove-task-btn" aria-label="Close"></button>        </div>        <div class="card-body">            <div class="row">                <div class="col-md-5">                    <input type="file" class="d-none file-input">                    <div class="file-drop-area">                        <div class="file-drop-default">                            <i class="bi bi-cloud-arrow-up fs-1"></i>                            <p class="file-drop-prompt mb-0" data-i18n="taskCardFileDrop">点击或拖拽文件到此处</p>                        </div>                        <div class="file-drop-selected" style="display: none;">                            <i class="bi bi-check-circle-fill fs-1 text-success"></i>                            <p class="mb-0 mt-2 fw-bold text-success" data-i18n="taskCardFileSelected">文件已选择</p>                        </div>                    </div>                    <div class="file-name-display-wrapper mt-2" style="display: none;">                        <span class="fw-bold" data-i18n="taskCardFilenameLabel">文件名: </span>                        <span class="file-name-display text-success"></span>                    </div>                </div>                <div class="col-md-7">                    <h6><i class="bi bi-terminal me-2"></i><span data-i18n="taskCardLogLabel">日志</span></h6>                    <div class="log-area"></div>                    <div class="mt-2">                        <div class="status-message-container">                            <span class="status-message small text-muted" data-i18n="taskCardStatusWaiting">等待上传文件...</span>                        </div>                        <div class="progress mt-1" role="progressbar" style="height: 5px; display: none;">                            <div class="progress-bar progress-bar-striped progress-bar-animated"                                 style="width: 100%"></div>                        </div>                    </div>                </div>            </div>        </div>        <div class="card-footer d-flex justify-content-between align-items-center">            <div class="download-buttons" style="display: none;">                <button class="btn btn-sm btn-success preview-html-btn" style="display: none;"><i                        class="bi bi-eye-fill me-1"></i><span data-i18n="taskCardPreviewBtn">预览</span>                </button>                <div class="btn-group">                    <button type="button" class="btn btn-sm btn-secondary dropdown-toggle" data-bs-toggle="dropdown"                            aria-expanded="false">                        <i class="bi bi-download me-1"></i><span data-i18n="taskCardDownloadBtn">下载</span>                    </button>                    <ul class="dropdown-menu download-menu-container">                        <!-- Populated by JavaScript -->                    </ul>                </div>            </div>            <button class="btn btn-primary start-translate-btn ms-auto"><i class="bi bi-play-fill me-1"></i><span data-i18n="taskCardStartBtn">开始翻译</span>            </button>        </div>    </div></template><!-- Reusable Download Menu Template --><template id="downloadMenuTemplate">    <li class="download-item-md"><a class="dropdown-item" href="#"><i            class="bi bi-markdown-fill me-2"></i><span data-i18n="downloadMdEmbedded">Markdown(嵌图)</span></a></li>    <li class="download-item-md-zip"><a class="dropdown-item" href="#"><i            class="bi bi-file-zip-fill me-2"></i><span data-i18n="downloadMdZip">Markdown压缩包</span></a></li>    <li class="download-item-txt"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-txt me-2"></i>TXT</a></li>    <li class="download-item-json"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-json me-2"></i>JSON</a></li>    <li class="download-item-docx"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-docx me-2"></i>DOCX</a></li>    <li class="download-item-xlsx"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-xlsx me-2"></i>XLSX</a></li>    <li class="download-item-srt"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-srt me-2"></i>SRT</a></li>    <li class="download-item-epub"><a class="dropdown-item" href="#"><i            class="bi bi-book me-2"></i>EPUB</a></li>    <li class="download-item-html"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-html me-2"></i>HTML</a></li>    <li class="download-item-pdf"><a class="dropdown-item" href="#"><i            class="bi bi-file-earmark-pdf-fill me-2"></i>PDF</a></li></template><!-- Preview Offcanvas with Resizable Panes --><div class="offcanvas offcanvas-end" data-bs-scroll="true" tabindex="-1" id="previewOffcanvas"     aria-labelledby="previewOffcanvasLabel">    <div class="offcanvas-header border-bottom">        <h5 class="offcanvas-title" id="previewOffcanvasLabel" data-i18n="previewTitle">预览</h5>        <div class="btn-group me-auto ms-4" role="group">            <button type="button" class="btn btn-sm btn-primary" id="setBilingualViewBtn" data-i18n="previewBilingualBtn">双语</button>            <button type="button" class="btn btn-sm btn-outline-primary" id="setTranslatedOnlyViewBtn" data-i18n="previewTranslatedOnlyBtn">仅译文</button>        </div>        <button type="button" class="btn-close" data-bs-dismiss="offcanvas" aria-label="Close"></button>    </div>    <div class="offcanvas-body d-flex flex-column p-2">        <div class="preview-split-container flex-grow-1">            <div id="originalPreviewContainer" class="preview-pane-wrapper">                <h6 class="text-center text-muted small" data-i18n="previewOriginal">原文</h6>                <div class="preview-pane" id="originalPreviewPane"></div>            </div>            <div id="translatedPreviewContainer" class="preview-pane-wrapper">                <h6 class="text-center text-muted small" data-i18n="previewTranslated">译文</h6>                <div class="preview-pane">                    <iframe id="translatedPreviewFrame" src="about:blank"></iframe>                </div>            </div>        </div>        <div class="offcanvas-footer mt-2 pt-3 border-top d-flex justify-content-end align-items-center">            <button type="button" class="btn btn-secondary" data-bs-dismiss="offcanvas" data-i18n="closeBtn">关闭</button>            <div class="btn-group ms-2">                <button type="button" class="btn btn-primary dropdown-toggle" data-bs-toggle="dropdown"                        aria-expanded="false" id="previewDownloadBtn">                    <i class="bi bi-download me-1"></i><span data-i18n="downloadBtn">下载</span>                </button>                <ul class="dropdown-menu dropdown-menu-end" id="previewDownloadMenu">                    <!-- Populated by JavaScript -->                </ul>            </div>        </div>    </div></div><!-- Hidden iframe for direct PDF printing --><iframe id="printFrame" style="display: none;"></iframe><!-- Bottom Left Controls --><div class="bottom-left-controls">    <!-- Language Switcher -->    <div class="dropdown">        <button class="btn btn-secondary dropdown-toggle" type="button" id="language-switcher" data-bs-toggle="dropdown" aria-expanded="false" title="切换语言 / Switch Language">            <i class="bi bi-translate"></i>        </button>        <ul class="dropdown-menu" aria-labelledby="language-switcher" id="languageMenu">            <li><a class="dropdown-item" href="#" data-lang="zh">中文</a></li>            <li><a class="dropdown-item" href="#" data-lang="en">English</a></li>        </ul>    </div>    <!-- Theme Switcher -->    <div class="dropdown">        <button class="btn btn-secondary dropdown-toggle" type="button" id="theme-switcher" data-bs-toggle="dropdown"                aria-expanded="false">            <i class="bi bi-circle-half"></i>        </button>        <ul class="dropdown-menu" aria-labelledby="theme-switcher">            <li>                <button class="dropdown-item" type="button" data-bs-theme-value="light"><i class="bi bi-sun-fill me-2"></i>                    Light                </button>            </li>            <li>                <button class="dropdown-item" type="button" data-bs-theme-value="dark"><i                        class="bi bi-moon-stars-fill me-2"></i> Dark                </button>            </li>            <li>                <button class="dropdown-item active" type="button" data-bs-theme-value="auto"><i                        class="bi bi-circle-half me-2"></i> Auto                </button>            </li>        </ul>    </div></div><!-- Tutorial Modal --><div class="modal fade" id="tutorialModal" tabindex="-1" aria-labelledby="tutorialModalLabel" aria-hidden="true">    <div class="modal-dialog modal-lg modal-dialog-centered modal-dialog-scrollable">        <div class="modal-content">            <div class="modal-header">                <h5 class="modal-title" id="tutorialModalLabel"><i class="bi bi-book-half me-2"></i><span data-i18n="tutorialModalTitle">使用教程</span></h5>                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>            </div>            <div class="modal-body" data-i18n="tutorialModalBody">                <p><i class="bi bi-camera-video me-2"></i>视频教程可以在B站搜索 <a                        href="https://search.bilibili.com/all?keyword=docutranslate" target="_blank">docutranslate</a>                    获取。</p>                <p>欢迎使用 DocuTranslate！请按照以下步骤完成文档翻译：</p>                <ol>                    <li>                        <strong><i class="bi bi-diagram-3 me-2"></i>选择工作流</strong>                        <p class="mt-2">                            首先，在配置面板顶部选择您需要的翻译流程。不同的工作流适用于不同类型的文件：                        <ul>                            <li><b>转Markdown再翻译</b>: 适用于翻译PDF、markdown、图片等文件。</li>                            <li><b>纯文本翻译</b>: 用于翻译 <code>.txt</code> 等纯文本文件。</li>                            <li><b>JSON翻译</b>: 用于翻译 <code>.json</code> 文件中的特定字段。</li>                            <li><b>DOCX翻译</b>: 用于翻译 <code>.docx</code> 文件。</li>                            <li><b>XLSX翻译</b>: 用于翻译 <code>.xlsx</code> 电子表格文件。</li>                            <li><b>SRT字幕翻译</b>: 用于翻译 <code>.srt</code> 字幕文件。</li>                            <li><b>EPUB翻译</b>: 用于翻译 <code>.epub</code> 电子书文件。</li>                        </ul>                        <div class="alert alert-info mt-2" role="alert">                           <i class="bi bi-lightbulb-fill me-2"></i>新增功能: "自动选择工作流"开关已默认开启。您只需上传文件，系统会自动为您匹配合适的工作流，简化操作。                        </div>                        </p>                    </li>                    <li>                        <strong><i class="bi bi-gear-fill me-2"></i>配置参数</strong>                        <p class="mt-2">根据您选择的工作流，完成相应的配置。所有配置项都会自动保存在您的浏览器中。</p>                        <ul>                            <li class="mb-2"><strong>解析配置</strong> (仅在“转Markdown再翻译”工作流下显示):                                <ul class="mt-1">                                    <li><strong>解析引擎</strong>:                                        选择一个引擎将您的文件（如PDF）转换为适合翻译的Markdown格式。如果您的文件已经是Markdown格式，则无需选择。                                    </li>                                    <li><strong>Mineru Token</strong>: 如果您选择 <code>minerU</code> 引擎，需要在此处填入您的Token。                                    </li>                                </ul>                            </li>                            <li class="mb-2"><strong>DOCX/XLSX/SRT/EPUB翻译选项</strong> (在对应工作流下显示):                                <ul class="mt-1">                                    <li><strong>插入模式</strong>: 定义翻译结果如何放入文档或字幕。您可以选择直接“替换”原文，或是在原文之后“附加”，或是在原文之前“前置”。                                    </li>                                    <li><strong>分隔符</strong>: 当选择“附加”或“前置”模式时，此项用于在原文和译文之间插入分隔符。                                    </li>                                </ul>                            </li>                            <li class="mb-2"><strong>JSON路径配置</strong> (仅在“JSON翻译”工作流下显示):                                <ul class="mt-1">                                    <li><strong>需要翻译的JSON路径</strong>: 每行输入一个 <a                                            href="https://goessner.net/articles/JsonPath/" target="_blank">JSONPath</a>                                        表达式，指定需要翻译的字段。                                    </li>                                    <li>例如:<code>$..description</code>翻译所有键为description的值。<code>$.items[0].name</code>翻译第一个item的name值。                                    </li>                                </ul>                            </li>                            <li class="mb-2"><strong>翻译模型</strong>:                                <ul class="mt-1">                                    <li><strong>选择平台/API 地址/API Key/模型 ID</strong>:                                        配置您希望使用的AI翻译服务。                                    </li>                                    <li>模型ID参考平台文档，建议使用非推理模型或混合推理模型（关闭思考）。</li>                                </ul>                            </li>                            <li class="mb-2"><strong>翻译配置</strong>:                                <ul class="mt-1">                                    <li><strong>目标语言/自定义Prompt</strong>: 指定翻译的目标语言和附加指令。</li>                                    <li><strong>思考模式</strong>:设置混合推理模型是否进行思考，目前支持智谱的glm4.5系列、阿里云的qwen3系列、火山引擎的seed1.6系列，建议选择禁用思考。                                    </li>                                </ul>                            </li>                            <li class="mb-2"><strong>高级参数</strong>:                                <ul class="mt-1">                                    <li><strong>分块大小/并发数/Temperature</strong>: 发给ai的分块大小、并发请求数和温度，通常保持默认即可。                                    </li>                                </ul>                            </li>                        </ul>                    </li>                    <li>                        <strong><i class="bi bi-file-earmark-arrow-up-fill me-2"></i>上传文件</strong>                        <p class="mt-2">在右侧的任务列表中，点击或拖拽您的文档到文件上传区域。</p>                    </li>                    <li>                        <strong><i class="bi bi-play-circle-fill me-2"></i>开始翻译</strong>                        <p class="mt-2">文件选择成功后，点击任务卡片右下角的 <span                                class="badge bg-primary">开始翻译</span> 按钮。系统将开始处理任务，您可以在日志区域查看实时进度。                        </p>                    </li>                    <li>                        <strong><i class="bi bi-check-circle-fill me-2"></i>查看与下载</strong>                        <p class="mt-2">翻译完成后，任务卡片下方会出现操作按钮：</p>                        <ul>                            <li><span class="badge bg-success"><i class="bi bi-eye-fill me-1"></i>预览</span>:                                在右侧滑出的面板中进行原文和译文的对照预览（仅作参考）。                            </li>                            <li><span class="badge bg-secondary"><i class="bi bi-download me-1"></i>下载</span>:                                下载包括 PDF, DOCX, XLSX, HTML, Markdown 等多种格式的译文。                            </li>                        </ul>                    </li>                </ol>                <div class="alert alert-info mt-3" role="alert">                    <i class="bi bi-info-circle-fill me-2"></i><strong>提示</strong>: 所有配置都会自动保存在您的浏览器本地，方便下次使用。                </div>            </div>            <div class="modal-footer">                <button type="button" class="btn btn-primary" data-bs-dismiss="modal" data-i18n="tutorialUnderstandBtn">我明白了</button>            </div>        </div>    </div></div><!-- Contributors Modal --><div class="modal fade" id="contributorsModal" tabindex="-1" aria-labelledby="contributorsModalLabel"     aria-hidden="true">    <div class="modal-dialog modal-dialog-centered">        <div class="modal-content">            <div class="modal-header">                <h5 class="modal-title" id="contributorsModalLabel"><i class="bi bi-heart-fill me-2 text-danger"></i><span data-i18n="contributorsModalTitle">感谢贡献</span>                </h5>                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>            </div>            <div class="modal-body">                <p data-i18n="contributorsPara1">DocuTranslate是一个开源项目！大家的需求与使用是项目进步的动力。</p>                <p data-i18n="contributorsPara2">感谢所有资助项目、提交代码与宝贵建议及给项目star的朋友们！</p>                <div class="alert alert-success mt-4" role="alert">                    <p data-i18n="contributorsWelcome">欢迎通过以下方式参与贡献：</p>                    <hr>                    <p class="mb-0">                        <a href="https://github.com/xunbu/docutranslate" target="_blank"                           class="btn btn-info btn-sm ms-2">                            <i class="bi bi-github me-1"></i><span data-i18n="contributorsGithub">github 主页</span>                        </a>                        <a href="https://github.com/xunbu/docutranslate/pulls" target="_blank"                           class="btn btn-success btn-sm ms-2">                            <i class="bi bi-git me-1"></i><span data-i18n="contributorsPR">提交 Pull Request</span>                        </a>                        <a href="https://github.com/xunbu/docutranslate/issues" target="_blank"                           class="btn btn-warning btn-sm ms-2">                            <i class="bi bi-bug-fill me-1"></i><span data-i18n="contributorsIssue">报告 Issue</span>                        </a>                    </p>                    <hr>                    <p data-i18n="contributorsQQ">或者通过QQ群联系作者：<span>1047781902</span></p>                </div>            </div>            <div class="modal-footer">                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal" data-i18n="closeBtn">关闭</button>            </div>        </div>    </div></div><!-- Bootstrap JS --><script src="/static/bootstrap.bundle.min.js" crossorigin="anonymous"></script><!-- Split.js for resizable panes --><script src="/static/split.min.js"></script><script type="module">    // --- I18N Data ---    // Initialize with a minimal fallback for critical error messages.    // The full dataset will be loaded asynchronously in the init() function.    let i18nData = {        zh: {            init_i18n_failed_alert: '加载界面翻译资源失败，请检查网络连接或联系管理员。',            init_failed_alert: '初始化失败，无法连接到后端服务。请检查服务是否运行或刷新页面。'        },        en: {            init_i18n_failed_alert: 'Failed to load interface translations. Please check your network connection or contact an administrator.',            init_failed_alert: 'Initialization failed, could not connect to the backend service. Please ensure the service is running and refresh the page.'        }    };    let currentLang = 'zh'; // Global language state    // --- I18N Helper Functions ---    const getText = (key, fallback = '') => {        const translations = i18nData[currentLang] || i18nData.zh;        return translations[key] || fallback || key;    };    function setLanguage(lang) {        if (!i18nData[lang]) return;        currentLang = lang;        const translations = i18nData[lang];        document.documentElement.lang = lang === 'zh' ? 'zh-CN' : 'en';        // 1. Update all static elements with data-i18n attribute        document.querySelectorAll('[data-i18n]').forEach(el => {            const key = el.dataset.i18n;            if (translations[key] !== undefined) {                el.innerHTML = translations[key];            }        });        // 2. Update all placeholder attributes        document.querySelectorAll('[data-i18n-placeholder]').forEach(el => {            const key = el.dataset.i18nPlaceholder;            if (translations[key] !== undefined) {                el.placeholder = translations[key];            }        });        // 3. Update all title attributes (for tooltips and page title)        document.querySelectorAll('[data-i18n-title]').forEach(el => {            const key = el.dataset.i18nTitle;            if (translations[key] !== undefined) {                if (el.tagName === 'TITLE') {                    el.textContent = translations[key];                } else {                    el.title = translations[key];                    const tooltipInstance = bootstrap.Tooltip.getInstance(el);                    if (tooltipInstance) {                        tooltipInstance.setContent({ '.tooltip-inner': translations[key] });                    }                }            }        });        // 4. Update dynamic UI parts that are built with JS        updateWorkflowUI();        updateConvertEnginUI(true);        // 5. Update language switcher active state        const langMenu = document.getElementById('languageMenu');        langMenu.querySelectorAll('a.active').forEach(a => a.classList.remove('active'));        const activeLink = langMenu.querySelector(`a[data-lang="${lang}"]`);        if (activeLink) activeLink.classList.add('active');        // 6. Save preference        saveToStorage('ui_language', lang);    }    function initI18n() {        const langMenu = document.getElementById('languageMenu');        langMenu.querySelectorAll('a[data-lang]').forEach(a => {            a.addEventListener('click', (e) => {                e.preventDefault();                setLanguage(a.dataset.lang);            });        });        const savedLang = getFromStorage('ui_language') || (navigator.language.toLowerCase().startsWith('en') ? 'en' : 'zh');        setLanguage(savedLang);    }    // --- End I18N ---    const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle="tooltip"]');    const tooltipList = [...tooltipTriggerList].map(tooltipTriggerEl => new bootstrap.Tooltip(tooltipTriggerEl));    // --- DOM Elements ---    const settingsForm = document.getElementById('translateForm');    // Workflow elements    const workflowTypeSelect = document.getElementById('workflowTypeSelect');    const autoWorkflowSwitch = document.getElementById('autoWorkflowSwitch');    const parsingSettingsContainer = document.getElementById('parsingSettingsContainer');    const parsingSettingsTitle = document.getElementById('parsingSettingsTitle');    const jsonSettingsContainer = document.getElementById('jsonSettingsContainer');    const jsonSettingsTitle = document.getElementById('jsonSettingsTitle');    const jsonPathsTextarea = document.getElementById('json_paths_textarea');    const xlsxSettingsContainer = document.getElementById('xlsxSettingsContainer');    const xlsxSettingsTitle = document.getElementById('xlsxSettingsTitle');    const xlsxInsertModeSelect = document.getElementById('xlsx_insert_mode');    const xlsxSeparatorGroup = document.getElementById('xlsxSeparatorGroup');    const xlsxSeparatorInput = document.getElementById('xlsx_separator');    const docxSettingsContainer = document.getElementById('docxSettingsContainer');    const docxSettingsTitle = document.getElementById('docxSettingsTitle');    const docxInsertModeSelect = document.getElementById('docx_insert_mode');    const docxSeparatorGroup = document.getElementById('docxSeparatorGroup');    const docxSeparatorInput = document.getElementById('docx_separator');    const srtSettingsContainer = document.getElementById('srtSettingsContainer');    const srtSettingsTitle = document.getElementById('srtSettingsTitle');    const srtInsertModeSelect = document.getElementById('srt_insert_mode');    const srtSeparatorGroup = document.getElementById('srtSeparatorGroup');    const srtSeparatorInput = document.getElementById('srt_separator');    const epubSettingsContainer = document.getElementById('epubSettingsContainer');    const epubSettingsTitle = document.getElementById('epubSettingsTitle');    const epubInsertModeSelect = document.getElementById('epub_insert_mode');    const epubSeparatorGroup = document.getElementById('epubSeparatorGroup');    const epubSeparatorInput = document.getElementById('epub_separator');    const aiSettingsTitle = document.getElementById('aiSettingsTitle');    const translationSettingsTitle = document.getElementById('translationSettingsTitle');    const advancedSettingsTitle = document.getElementById('advancedSettingsTitle');    // Parsing elements    const convertEnginSelect = document.getElementById('convert_engine');    const mineruTokenGroup = document.getElementById('mineruTokenGroup');    const mineruTokenInput = document.getElementById('mineru_token');    const formulaCheckbox = document.getElementById('formula_ocr');    const codeCheckbox = document.getElementById('code_ocr');    const codeOcrSwitch = document.getElementById('codeOcrSwitch');    // AI elements    const platformSelect = document.getElementById('platform_select');    const apiHref = document.getElementById('api_href');    const baseUrlGroup = document.getElementById('baseUrlGroup');    const baseUrlInput = document.getElementById('base_url');    const apikeyInput = document.getElementById('api_key');    const modelInput = document.getElementById('model_id');    // Translation elements    const toLangSelect = document.getElementById('to_lang');    const customLangGroup = document.getElementById('customLangGroup');    const customLangInput = document.getElementById('custom_to_lang');    const customPromptTranslateArea = document.getElementById("custom_prompt");    // Advanced elements    const chunkSizeSlider = document.getElementById('chunk-size-slider');    const chunkSizeDisplay = document.getElementById('chunk-size-display');    const chunkSizeReset = document.getElementById('chunk-size-reset');    const concurrentSlider = document.getElementById('concurrent-slider');    const concurrentDisplay = document.getElementById('concurrent-display');    const concurrentReset = document.getElementById("concurrent-reset");    const temperatureSlider = document.getElementById('temperature-slider');    const temperatureDisplay = document.getElementById('temperature-display');    const temperatureReset = document.getElementById("temperature-reset");    // General UI elements    const versionDisplay = document.getElementById("versionDisplay");    const addNewTaskBtn = document.getElementById('addNewTaskBtn');    const taskContainer = document.getElementById('task-container');    const noTaskPlaceholder = document.getElementById('no-task-placeholder');    const taskCardTemplate = document.getElementById('taskCardTemplate');    const downloadMenuTemplate = document.getElementById('downloadMenuTemplate');    const previewOffcanvasEl = document.getElementById('previewOffcanvas');    const previewOffcanvas = new bootstrap.Offcanvas(previewOffcanvasEl);    const previewOffcanvasLabel = document.getElementById('previewOffcanvasLabel');    const originalPreviewPane = document.getElementById('originalPreviewPane');    const translatedPreviewFrame = document.getElementById('translatedPreviewFrame');    const originalPreviewContainer = document.getElementById('originalPreviewContainer');    const translatedPreviewContainer = document.getElementById('translatedPreviewContainer');    const setBilingualViewBtn = document.getElementById('setBilingualViewBtn');    const setTranslatedOnlyViewBtn = document.getElementById('setTranslatedOnlyViewBtn');    const printFrameEl = document.getElementById('printFrame');    // --- Global State ---    let defaultParams = {};    const tasks = {}; // { cardId: { elements: {...}, state: {...}, intervals: {...} } }    let isAdminMode = false;    let previewSplitInstance = null;    const apiHrefMap = {        "https://openrouter.ai/api/v1": "https://openrouter.ai/settings/keys",        "https://api.openai.com/v1": "https://platform.openai.com/api-keys",        "https://api.deepseek.com/v1": "https://platform.deepseek.com/api_keys",        "https://open.bigmodel.cn/api/paas/v4": "https://open.bigmodel.cn/usercenter/apikeys",        "https://dashscope.aliyuncs.com/compatible-mode/v1": "https://bailian.console.aliyun.com/?tab=model#/api-key",        "https://ark.cn-beijing.volces.com/api/v3": "https://console.volcengine.com/ark/region:ark+cn-beijing/apiKey?apikey=%7B%7D",        "https://api.siliconflow.cn/v1": "https://cloud.siliconflow.cn/account/ak",        "https://www.dmxapi.cn/v1": "https://www.dmxapi.cn/token",        "https://generativelanguage.googleapis.com/v1beta/openai/": "https://aistudio.google.com/u/0/apikey"    };    const workflowExtensionMap = {        'txt': 'txt',        'xlsx': 'xlsx',        'docx': 'docx',        'json': 'json',        'srt': 'srt',        'epub': 'epub',    };    const defaultAutoWorkflow = 'markdown_based';    // --- Utility Functions ---    const generateCardId = () => `card_${Math.random().toString(36).substring(2, 10)}`;    const saveToStorage = (key, value) => {        try {            localStorage.setItem(key, value);        } catch (e) {            console.warn("Save to storage failed:", e);        }    };    const getFromStorage = (key, defaultValue = '') => {        try {            return localStorage.getItem(key) || defaultValue;        } catch (e) {            console.warn("Read from storage failed:", e);            return defaultValue;        }    };    function fileToBase64(file) {        return new Promise((resolve, reject) => {            const reader = new FileReader();            reader.readAsDataURL(file);            reader.onload = () => {                const base64String = reader.result.split(',')[1];                resolve(base64String);            };            reader.onerror = error => reject(error);        });    }    // --- UI Update Functions based on Workflow ---    function updateWorkflowUI() {        const selectedWorkflow = workflowTypeSelect.value;        const translations = i18nData[currentLang] || i18nData.zh;        // Hide all workflow-specific containers first        parsingSettingsContainer.style.display = 'none';        jsonSettingsContainer.style.display = 'none';        xlsxSettingsContainer.style.display = 'none';        docxSettingsContainer.style.display = 'none';        srtSettingsContainer.style.display = 'none';        epubSettingsContainer.style.display = 'none';        // Default numbering        let currentStep = 2;        const getStep = () => currentStep++;        // Update main workflow title (it's static)        document.querySelector('#headingZero button strong').innerHTML = `<i class="bi bi-diagram-3 me-2"></i>${translations.workflowTitle}`;        switch (selectedWorkflow) {            case 'markdown_based':                parsingSettingsContainer.style.display = 'block';                parsingSettingsTitle.innerHTML = `<i class="bi bi-file-earmark-binary me-2"></i>${getStep()}. ${translations.parsingSettingsTitleText}`;                break;            case 'txt':                // No specific panel, just re-number                break;            case 'json':                jsonSettingsContainer.style.display = 'block';                jsonSettingsTitle.innerHTML = `<i class="bi bi-signpost-split me-2"></i>${getStep()}. ${translations.jsonSettingsTitleText}`;                break;            case 'xlsx':                xlsxSettingsContainer.style.display = 'block';                xlsxSettingsTitle.innerHTML = `<i class="bi bi-file-earmark-spreadsheet me-2"></i>${getStep()}. ${translations.xlsxSettingsTitleText}`;                updateSeparatorVisibility(xlsxInsertModeSelect, xlsxSeparatorGroup);                break;            case 'docx':                docxSettingsContainer.style.display = 'block';                docxSettingsTitle.innerHTML = `<i class="bi bi-file-earmark-word me-2"></i>${getStep()}. ${translations.docxSettingsTitleText}`;                updateSeparatorVisibility(docxInsertModeSelect, docxSeparatorGroup);                break;            case 'srt':                srtSettingsContainer.style.display = 'block';                srtSettingsTitle.innerHTML = `<i class="bi bi-file-text me-2"></i>${getStep()}. ${translations.srtSettingsTitleText}`;                updateSeparatorVisibility(srtInsertModeSelect, srtSeparatorGroup);                break;            case 'epub':                epubSettingsContainer.style.display = 'block';                epubSettingsTitle.innerHTML = `<i class="bi bi-book me-2"></i>${getStep()}. ${translations.epubSettingsTitleText}`;                updateSeparatorVisibility(epubInsertModeSelect, epubSeparatorGroup);                break;        }        // Renumber common sections        aiSettingsTitle.innerHTML = `<i class="bi bi-robot me-2"></i>${getStep()}. ${translations.aiSettingsTitleText}`;        translationSettingsTitle.innerHTML = `<i class="bi bi-translate me-2"></i>${getStep()}. ${translations.translationSettingsTitleText}`;        advancedSettingsTitle.innerHTML = `<i class="bi bi-sliders me-2"></i>${getStep()}. ${translations.advancedSettingsTitleText}`;        saveToStorage('translator_last_workflow', selectedWorkflow);    }    function updateSeparatorVisibility(modeSelect, separatorGroup) {        const selectedMode = modeSelect.value;        if (selectedMode === 'append' || selectedMode === 'prepend') {            separatorGroup.style.display = 'block';        } else {            separatorGroup.style.display = 'none';        }    }    function updateCustomLangUI() {        const isCustom = toLangSelect.value === 'custom';        customLangGroup.style.display = isCustom ? 'block' : 'none';        customLangInput.required = isCustom;    }    // --- Other UI Update Functions ---    function updatePlatformUI() {        const selectedPlatformValue = platformSelect.value;        apikeyInput.value = getFromStorage(`translator_platform_${selectedPlatformValue}_apikey`);        modelInput.value = getFromStorage(`translator_platform_${selectedPlatformValue}_model_id`);        if (selectedPlatformValue === 'custom') {            baseUrlGroup.classList.remove('d-none');            baseUrlInput.required = true;            baseUrlInput.value = getFromStorage('translator_platform_custom_base_url');            apiHref.classList.add('d-none');        } else {            baseUrlGroup.classList.add('d-none');            baseUrlInput.required = false;            baseUrlInput.value = selectedPlatformValue;            if (apiHrefMap[baseUrlInput.value]) {                apiHref.href = apiHrefMap[baseUrlInput.value];                apiHref.classList.remove('d-none');            } else {                apiHref.classList.add('d-none');            }        }        saveToStorage('translator_last_platform', selectedPlatformValue);    }    function updateConvertEnginUI(isLanguageChange = false) {        if (!isLanguageChange) {            const selectedEngin = convertEnginSelect.value;            mineruTokenGroup.style.display = selectedEngin === 'mineru' ? 'block' : 'none';            mineruTokenInput.required = selectedEngin === 'mineru';            codeOcrSwitch.style.display = selectedEngin === 'docling' ? 'block' : 'none';            if (selectedEngin === 'mineru') {                mineruTokenInput.value = getFromStorage('translator_mineru_token');            }            saveToStorage('translator_convert_engin', selectedEngin);        } else {            // Repopulate options with translated text            const savedValue = convertEnginSelect.value;            const enginOptions = convertEnginSelect.querySelectorAll('option');            enginOptions.forEach(option => {                let textKey;                switch(option.value) {                    case 'identity': textKey = 'engineOptionIdentity'; break;                    case 'mineru': textKey = 'engineOptionMineru'; break;                    case 'docling': textKey = 'engineOptionDocling'; break;                    default: textKey = option.value;                }                option.textContent = getText(textKey, option.value);            });            convertEnginSelect.value = savedValue;        }    }    function createSliderUpdater(slider, display, resetBtn, key, params) {        return () => {            const value = slider.value;            display.textContent = value;            resetBtn.style.visibility = value !== String(params[key]) ? 'visible' : 'hidden';            saveToStorage(key, value);        };    }    function setupSlider(slider, display, resetBtn, key, params) {        slider.value = getFromStorage(key, params[key]);        const updater = createSliderUpdater(slider, display, resetBtn, key, params);        slider.addEventListener('input', updater);        resetBtn.addEventListener('click', () => {            slider.value = params[key];            updater();        });        updater(); // Initial call    }    function updateTaskPlaceholderVisibility() {        noTaskPlaceholder.style.display = Object.keys(tasks).length === 0 ? 'block' : 'none';    }    function saveTaskIds() {        if (isAdminMode) return;        const submittedTaskIds = Object.values(tasks)            .map(task => task.state.backendTaskId)            .filter(id => id);        saveToStorage('active_task_ids', JSON.stringify(submittedTaskIds));    }    // --- Task Card Management ---    function createTaskCard(backendTaskId = null, restoreState = false) {        const cardId = backendTaskId || generateCardId();        if (tasks[cardId]) return; // Avoid duplicate cards        const cardFragment = taskCardTemplate.content.cloneNode(true);        const cardElement = cardFragment.querySelector('.task-card');        cardElement.dataset.cardId = cardId;        // Translate the new card immediately        const translations = i18nData[currentLang] || i18nData.zh;        cardElement.querySelectorAll('[data-i18n]').forEach(el => el.innerHTML = translations[el.dataset.i18n] || el.innerHTML);        cardElement.querySelectorAll('[data-i18n-placeholder]').forEach(el => el.placeholder = translations[el.dataset.i18nPlaceholder] || el.placeholder);        const elements = {            card: cardElement,            taskIdDisplay: cardElement.querySelector('.task-id-display'),            removeBtn: cardElement.querySelector('.remove-task-btn'),            fileInput: cardElement.querySelector('.file-input'),            fileDropArea: cardElement.querySelector('.file-drop-area'),            fileDropDefault: cardElement.querySelector('.file-drop-default'),            fileDropSelected: cardElement.querySelector('.file-drop-selected'),            fileNameDisplayWrapper: cardElement.querySelector('.file-name-display-wrapper'),            fileNameDisplay: cardElement.querySelector('.file-name-display'),            logArea: cardElement.querySelector('.log-area'),            statusMessage: cardElement.querySelector('.status-message'),            progress: cardElement.querySelector('.progress'),            downloadButtons: cardElement.querySelector('.download-buttons'),            downloadMenuContainer: cardElement.querySelector('.download-menu-container'),            previewBtn: cardElement.querySelector('.preview-html-btn'),            startBtn: cardElement.querySelector('.start-translate-btn'),        };        if (restoreState && backendTaskId) {            elements.taskIdDisplay.innerHTML = `<code>${backendTaskId}</code>`;        }        tasks[cardId] = {            elements,            state: {                backendTaskId: backendTaskId,                isTranslating: false,                file: null,                htmlUrl: null,                fileNameStem: null,                isSubmitted: restoreState,                downloads: {},                workflow: null            },            intervals: {                log: null,                status: null            }        };        addEventListenersToCard(cardId);        taskContainer.prepend(cardElement);        updateTaskPlaceholderVisibility();        if (restoreState && backendTaskId) {            pollStatus(backendTaskId, true);        }    }    async function releaseTask(backendTaskId) {        try {            await fetch(`/service/release/${backendTaskId}`, {method: 'POST'});            console.log(`[${backendTaskId}] Release request sent to backend.`);        } catch (error) {            console.error(`[${backendTaskId}] Failed to send release request:`, error);        }    }    async function removeTask(cardId) {        const task = tasks[cardId];        if (!task) return;        const backendTaskId = task.state.backendTaskId;        if (backendTaskId) {            stopPolling(backendTaskId);            await releaseTask(backendTaskId);        }        task.elements.card.remove();        delete tasks[cardId];        saveTaskIds();        updateTaskPlaceholderVisibility();    }    function addEventListenersToCard(cardId) {        const {elements} = tasks[cardId];        elements.card.addEventListener('click', () => {            const task = tasks[cardId];            if (task && task.state.workflow) {                workflowTypeSelect.value = task.state.workflow;                updateWorkflowUI();            }        });        elements.removeBtn.addEventListener('click', () => removeTask(cardId));        elements.fileDropArea.addEventListener('click', () => elements.fileInput.click());        elements.fileInput.addEventListener('change', () => handleFileSelect(cardId));        ['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {            elements.fileDropArea.addEventListener(eventName, e => {                e.preventDefault();                e.stopPropagation();            }, false);        });        ['dragenter', 'dragover'].forEach(eventName => {            elements.fileDropArea.addEventListener(eventName, () => elements.fileDropArea.classList.add('drag-over'), false);        });        ['dragleave', 'drop'].forEach(eventName => {            elements.fileDropArea.addEventListener(eventName, () => elements.fileDropArea.classList.remove('drag-over'), false);        });        elements.fileDropArea.addEventListener('drop', e => {            if (e.dataTransfer.files.length > 0) {                elements.fileInput.files = e.dataTransfer.files;                handleFileSelect(cardId);            }        }, false);        elements.startBtn.addEventListener('click', () => {            if (tasks[cardId].state.isTranslating) {                cancelTranslation(cardId);            } else {                startTranslation(cardId);            }        });    }    function handleFileSelect(cardId) {        const {elements, state} = tasks[cardId];        const file = elements.fileInput.files[0];        if (file) {            state.file = file;            elements.fileNameDisplay.textContent = file.name;            elements.fileNameDisplayWrapper.style.display = 'block';            elements.fileDropArea.classList.add('file-selected');            elements.fileDropDefault.style.display = 'none';            elements.fileDropSelected.style.display = 'block';            elements.fileDropArea.classList.remove('input-error');            elements.fileNameDisplay.classList.remove('input-error-text');            if (autoWorkflowSwitch.checked) {                const fileExtension = file.name.split('.').pop().toLowerCase();                const targetWorkflow = workflowExtensionMap[fileExtension] || defaultAutoWorkflow;                workflowTypeSelect.value = targetWorkflow;                updateWorkflowUI();            }        }    }    // --- Core Translation Logic ---    async function startTranslation(cardId) {        const {elements, state} = tasks[cardId];        // --- File and common settings validation ---        if (!state.file) {            elements.statusMessage.textContent = getText('status_selectFileFirst');            elements.statusMessage.className = 'status-message small text-danger';            elements.fileDropArea.classList.add('input-error');            return;        }        const requiredCommonInputs = [apikeyInput, modelInput];        if (platformSelect.value === 'custom') requiredCommonInputs.push(baseUrlInput);        let isValid = true;        requiredCommonInputs.forEach(input => {            input.classList.remove('is-invalid');            if (!input.value.trim()) {                input.classList.add('is-invalid');                isValid = false;            }        });        if (toLangSelect.value === 'custom') {            customLangInput.classList.remove('is-invalid');            if (!customLangInput.value.trim()) {                customLangInput.classList.add('is-invalid');                isValid = false;            }        }        // --- Workflow-specific validation and payload building ---        const workflowType = workflowTypeSelect.value;        state.workflow = workflowType;        let workflowPayload = {};        let targetLanguage = toLangSelect.value;        if (targetLanguage === 'custom') {            targetLanguage = customLangInput.value.trim();        }        const basePayload = {            base_url: baseUrlInput.value,            api_key: apikeyInput.value,            model_id: modelInput.value,            to_lang: targetLanguage,            thinking: document.querySelector('input[name="thinking"]:checked')?.value || 'disable',            chunk_size: parseInt(chunkSizeSlider.value, 10),            concurrent: parseInt(concurrentSlider.value, 10),            temperature: parseFloat(temperatureSlider.value),            custom_prompt: customPromptTranslateArea.value || null,        };        switch (workflowType) {            case 'markdown_based':                if (convertEnginSelect.value === 'mineru' && !mineruTokenInput.value.trim()) {                    mineruTokenInput.classList.add('is-invalid');                    isValid = false;                } else {                    mineruTokenInput.classList.remove('is-invalid');                }                workflowPayload = {                    ...basePayload,                    workflow_type: 'markdown_based',                    convert_engine: convertEnginSelect.value || null,                    mineru_token: mineruTokenInput.value || null,                    formula_ocr: formulaCheckbox.checked,                    code_ocr: codeCheckbox.checked,                };                break;            case 'txt':                workflowPayload = {                    ...basePayload,                    workflow_type: 'txt'                };                break;            case 'json':                const jsonPaths = jsonPathsTextarea.value.trim().split('\n').map(p => p.trim()).filter(p => p);                if (jsonPaths.length === 0) {                    jsonPathsTextarea.classList.add('is-invalid');                    isValid = false;                } else {                    jsonPathsTextarea.classList.remove('is-invalid');                }                workflowPayload = {                    ...basePayload,                    workflow_type: 'json',                    json_paths: jsonPaths,                };                break;            case 'xlsx':                workflowPayload = {                    ...basePayload,                    workflow_type: 'xlsx',                    insert_mode: xlsxInsertModeSelect.value,                    separator: xlsxSeparatorInput.value.replace(/\\n/g, '\n')                };                break;            case 'docx':                workflowPayload = {                    ...basePayload,                    workflow_type: 'docx',                    insert_mode: docxInsertModeSelect.value,                    separator: docxSeparatorInput.value.replace(/\\n/g, '\n')                };                break;            case 'srt':                workflowPayload = {                    ...basePayload,                    workflow_type: 'srt',                    insert_mode: srtInsertModeSelect.value,                    separator: srtSeparatorInput.value.replace(/\\n/g, '\n')                };                break;            case 'epub':                workflowPayload = {                    ...basePayload,                    workflow_type: 'epub',                    insert_mode: epubInsertModeSelect.value,                    separator: epubSeparatorInput.value.replace(/\\n/g, '\n')                };                break;            default:                elements.statusMessage.textContent = getText('status_invalidWorkflow');                elements.statusMessage.className = 'status-message small text-danger';                return;        }        if (!isValid) {            elements.statusMessage.textContent = getText('status_fillRequired');            elements.statusMessage.className = 'status-message small text-danger';            return;        }        // --- Release old task and start new one ---        const oldBackendTaskId = state.backendTaskId;        if (oldBackendTaskId) {            console.log(`[${oldBackendTaskId}] ${getText('status_releasingOldTask')}`);            await releaseTask(oldBackendTaskId);            state.backendTaskId = null;        }        state.isTranslating = true;        elements.startBtn.disabled = true;        elements.startBtn.innerHTML = `<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> <span data-i18n="btn_initializing">${getText('btn_initializing')}</span>`;        elements.logArea.innerHTML = '';        elements.statusMessage.textContent = getText('status_encodingAndSubmitting');        elements.statusMessage.className = 'status-message small text-muted';        elements.downloadButtons.style.display = 'none';        elements.progress.style.display = 'block';        try {            const fileContentBase64 = await fileToBase64(state.file);            const finalRequest = {                file_name: state.file.name,                file_content: fileContentBase64,                payload: workflowPayload            };            const response = await fetch('/service/translate', {                method: 'POST',                headers: {'Content-Type': 'application/json'},                body: JSON.stringify(finalRequest)            });            const result = await response.json();            if (response.ok && result.task_started) {                const backendTaskId = result.task_id;                state.backendTaskId = backendTaskId;                state.isSubmitted = true;                elements.taskIdDisplay.innerHTML = `<code>${backendTaskId}</code>`;                elements.taskIdDisplay.classList.remove('task-id-placeholder');                saveTaskIds();                elements.statusMessage.textContent = result.message || getText('status_requestOk');                elements.statusMessage.className = 'status-message small text-info';                elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i><span data-i18n="btn_cancelTranslation">${getText('btn_cancelTranslation')}</span>`;                elements.startBtn.classList.replace('btn-primary', 'btn-danger');                elements.startBtn.disabled = false;                startPolling(backendTaskId);            } else {                let errorMessage = result.detail || result.message || `${getText('status_requestFail')} (${response.status})`;                if (typeof errorMessage === 'object') {                    errorMessage = JSON.stringify(errorMessage);                }                throw new Error(errorMessage);            }        } catch (error) {            state.isSubmitted = false;            console.error('Request failed:', error);            elements.statusMessage.textContent = `${getText('status_initFail')}: ${error.message}`;            elements.statusMessage.className = 'status-message small text-danger';            elements.startBtn.innerHTML = `<i class="bi bi-play-fill me-1"></i><span data-i18n="taskCardStartBtn">${getText('taskCardStartBtn')}</span>`;            elements.startBtn.classList.replace('btn-danger', 'btn-primary');            elements.startBtn.disabled = false;            elements.progress.style.display = 'none';            state.isTranslating = false;        }    }    async function cancelTranslation(cardId) {        const task = tasks[cardId];        if (!task || !task.state.backendTaskId) return;        const {elements} = task;        const backendTaskId = task.state.backendTaskId;        elements.startBtn.disabled = true;        elements.startBtn.innerHTML = `<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> <span data-i18n="status_cancelling">${getText('status_cancelling')}</span>`;        try {            const response = await fetch(`/service/cancel/${backendTaskId}`, {method: 'POST'});            const result = await response.json();            if (response.ok && result.cancelled) {                elements.statusMessage.textContent = result.message || getText('status_cancelSent');                elements.statusMessage.className = 'status-message small text-warning';            } else {                throw new Error(result.message || getText('status_cancelFail'));            }        } catch (error) {            elements.statusMessage.textContent = `${getText('status_cancelFail')}: ${error.message}`;            elements.statusMessage.className = 'status-message small text-danger';            elements.startBtn.disabled = false;            elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i><span data-i18n="btn_cancelTranslation">${getText('btn_cancelTranslation')}</span>`;        }    }    // --- Polling ---    function startPolling(backendTaskId) {        stopPolling(backendTaskId);        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        card.intervals.log = setInterval(() => pollLogs(backendTaskId), 2000);        card.intervals.status = setInterval(() => pollStatus(backendTaskId), 1500);        pollLogs(backendTaskId);        pollStatus(backendTaskId);    }    function stopPolling(backendTaskId) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        const {intervals} = card;        if (intervals.log) clearInterval(intervals.log);        if (intervals.status) clearInterval(intervals.status);        intervals.log = null;        intervals.status = null;    }    async function pollLogs(backendTaskId) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        const {elements} = card;        try {            const response = await fetch(`/service/logs/${backendTaskId}`);            if (!response.ok) return;            const data = await response.json();            if (data.logs && data.logs.length > 0) {                elements.logArea.innerHTML += data.logs.map(log => log.replace(/</g, "<").replace(/>/g, ">") + '<br>').join('');                elements.logArea.scrollTop = elements.logArea.scrollHeight;            }        } catch (error) {            console.warn(`[${backendTaskId}] Error polling logs:`, error);        }    }    async function pollStatus(backendTaskId, isRestore = false) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) {            if (isRestore) {                console.warn(`Restored task ${backendTaskId} not found in UI, removing from storage.`);                const savedTaskIds = JSON.parse(getFromStorage('active_task_ids', '[]'));                const newIds = savedTaskIds.filter(id => id !== backendTaskId);                saveToStorage('active_task_ids', JSON.stringify(newIds));            }            return;        }        const {elements, state} = card;        const cardId = elements.card.dataset.cardId;        try {            const response = await fetch(`/service/status/${backendTaskId}`);            if (!response.ok) {                if (response.status === 404 && isRestore) {                    console.warn(`Task ${backendTaskId} not found on server (404). Removing from UI.`);                    await removeTask(cardId);                }                return;            }            const status = await response.json();            if (status.original_filename && (!state.file || isRestore)) {                elements.fileNameDisplay.textContent = status.original_filename;                elements.fileNameDisplayWrapper.style.display = 'block';            }            elements.statusMessage.textContent = status.status_message || getText('status_gettingStatus');            elements.statusMessage.className = `status-message small ${status.error_flag ? 'text-danger' : 'text-info'}`;            if (!status.is_processing) {                pollLogs(backendTaskId); // Get final logs                stopPolling(backendTaskId);                state.isTranslating = false;                elements.startBtn.disabled = false;                elements.startBtn.innerHTML = `<i class="bi bi-arrow-clockwise me-1"></i><span data-i18n="btn_reTranslate">${getText('btn_reTranslate')}</span>`;                elements.startBtn.classList.replace('btn-danger', 'btn-primary');                elements.progress.style.display = 'none';                if (status.download_ready && !status.error_flag) {                    elements.statusMessage.className = 'status-message small text-success';                    updateDownloadButtons(cardId, status);                } else {                    elements.downloadButtons.style.display = 'none';                }            } else {                state.isTranslating = true;                elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i><span data-i18n="btn_cancelTranslation">${getText('btn_cancelTranslation')}</span>`;                elements.startBtn.classList.replace('btn-primary', 'btn-danger');                elements.startBtn.disabled = false;                elements.progress.style.display = 'block';                elements.downloadButtons.style.display = 'none';                if (isRestore && !card.intervals.status) {                    startPolling(backendTaskId);                }            }        } catch (error) {            console.error(`[${backendTaskId}] Error polling status:`, error);            elements.statusMessage.textContent = getText('status_updateError');            elements.statusMessage.className = 'status-message small text-danger';        }    }    // --- Download and Preview ---    function populateDownloadMenu(menuElement, downloads, cardId) {        menuElement.innerHTML = ''; // Clear existing items        if (!downloadMenuTemplate) return false;        const content = downloadMenuTemplate.content.cloneNode(true);        // Translate the template before using        content.querySelectorAll('[data-i18n]').forEach(el => el.innerHTML = getText(el.dataset.i18n));        let anyLinkAdded = false;        const setupLink = (selector, key) => {            const li = content.querySelector(selector);            if (li && downloads[key]) {                li.querySelector('a').href = downloads[key];                menuElement.appendChild(li);                anyLinkAdded = true;            }        };        setupLink('.download-item-md', 'markdown');        setupLink('.download-item-md-zip', 'markdown_zip');        setupLink('.download-item-txt', 'txt');        setupLink('.download-item-json', 'json');        setupLink('.download-item-docx', 'docx');        setupLink('.download-item-xlsx', 'xlsx');        setupLink('.download-item-srt', 'srt');        setupLink('.download-item-epub', 'epub');        setupLink('.download-item-html', 'html');        // Special handler for PDF, which is generated on the fly        const pdfLi = content.querySelector('.download-item-pdf');        if (pdfLi && downloads.html) {            const pdfLink = pdfLi.querySelector('a');            pdfLink.href = '#';            pdfLink.onclick = (e) => {                e.preventDefault();                downloadPdf(cardId);            };            menuElement.appendChild(pdfLi);            anyLinkAdded = true;        }        return anyLinkAdded;    }    function updateDownloadButtons(cardId, status) {        const {elements, state} = tasks[cardId];        const {downloads} = status;        state.downloads = downloads; // Store for preview        const {previewBtn, downloadButtons, downloadMenuContainer} = elements;        // Reset visibility        previewBtn.style.display = 'none';        downloadButtons.style.display = 'none';        if (downloads.html) {            state.htmlUrl = downloads.html;            state.fileNameStem = status.original_filename_stem;            previewBtn.style.display = 'inline-block';            previewBtn.onclick = () => setupPreview(cardId);        }        const anyDownloadAvailable = populateDownloadMenu(downloadMenuContainer, downloads, cardId);        if (anyDownloadAvailable || downloads.html) {            downloadButtons.style.display = 'flex';        }    }    function setupPreview(cardId) {        const {state} = tasks[cardId];        if (!state.htmlUrl) return;        const existingOriginalContent = originalPreviewPane.querySelector('iframe, pre, p');        if (existingOriginalContent) existingOriginalContent.remove();        translatedPreviewFrame.src = 'about:blank';        translatedPreviewFrame.srcdoc = getText('preview_loading');        setPreviewDisplayMode('bilingual');        previewOffcanvas.show();        const menu = document.getElementById('previewDownloadMenu');        populateDownloadMenu(menu, state.downloads, cardId);        if (state.file) {            const fileType = state.file.type;            const fileExtension = state.file.name.split('.').pop().toLowerCase();            const textLikeExtensions = ['md', 'json', 'xml', 'log', 'py', 'js', 'css', 'java', 'c', 'cpp', 'h', 'hpp', 'cs', 'rb', 'php', 'swift', 'kt', 'go', 'rs', 'ts', 'txt', 'srt'];            if (fileType.startsWith('text/') || textLikeExtensions.includes(fileExtension)) {                const pre = document.createElement('pre');                state.file.text()                    .then(text => pre.textContent = text)                    .catch(() => pre.textContent = getText('preview_cantReadOriginal'));                originalPreviewPane.appendChild(pre);            } else if (['application/pdf', 'text/html'].includes(fileType) || ['html', 'htm'].includes(fileExtension)) {                const iframe = document.createElement('iframe');                iframe.src = URL.createObjectURL(state.file);                originalPreviewPane.appendChild(iframe);            } else {                const p = document.createElement('p');                p.className = 'p-3 text-muted';                p.textContent = `${getText('preview_cantPreviewType')} (${fileType || 'unknown: ' + fileExtension}).`;                originalPreviewPane.appendChild(p);            }        } else {            const p = document.createElement('p');            p.className = 'p-3 text-muted';            p.textContent = getText('preview_noOriginalCache');            originalPreviewPane.appendChild(p);        }        fetch(state.htmlUrl)            .then(resp => resp.ok ? resp.text() : Promise.reject(`HTTP error ${resp.status}`))            .then(html => {                translatedPreviewFrame.srcdoc = html;            })            .catch(err => {                console.error('Preview fetch failed:', err);                translatedPreviewFrame.srcdoc = `${getText('preview_loadFailed')}<p>${err.message}</p>`;            });    }    function downloadPdf(cardId) {        const {elements, state} = tasks[cardId];        if (!state.htmlUrl) return;        const toast = new bootstrap.Toast(document.createElement('div'), {            autohide: true,            delay: 3000        });        toast._element.classList.add('toast', 'position-fixed', 'top-0', 'end-0', 'p-3', 'bg-info', 'text-white');        toast._element.innerHTML = `<div class="toast-body">${getText('pdf_preparing')}</div>`;        document.body.appendChild(toast._element);        toast.show();        fetch(state.htmlUrl)            .then(resp => resp.ok ? resp.text() : Promise.reject(`HTTP error ${resp.status}`))            .then(html => {                printFrameEl.onload = () => {                    setTimeout(() => {                        try {                            printFrameEl.contentWindow.focus();                            printFrameEl.contentWindow.print();                        } catch (err) {                            alert(getText('pdf_print_failed'));                        } finally {                            printFrameEl.onload = null;                            printFrameEl.srcdoc = ''; // Clear content                        }                    }, 500);                };                printFrameEl.srcdoc = html;            })            .catch(err => {                alert(getText('pdf_fetch_failed'));            });    }    function setPreviewDisplayMode(mode) {        if (previewSplitInstance) {            previewSplitInstance.destroy();            previewSplitInstance = null;        }        const isMobileView = window.innerWidth < 992;        const splitContainer = document.querySelector('.preview-split-container');        originalPreviewContainer.style.display = 'flex';        translatedPreviewContainer.style.display = 'flex';        [originalPreviewContainer, translatedPreviewContainer].forEach(el => {            el.style.width = '';            el.style.height = '';        });        splitContainer.style.flexDirection = isMobileView ? 'column' : 'row';        if (mode === 'bilingual') {            previewOffcanvasLabel.textContent = getText('preview_bilingual');            if (isMobileView) {                previewSplitInstance = Split(['#originalPreviewContainer', '#translatedPreviewContainer'], {                    direction: 'vertical', sizes: [50, 50], minSize: 150, gutterSize: 10, cursor: 'row-resize',                });            } else {                previewSplitInstance = Split(['#originalPreviewContainer', '#translatedPreviewContainer'], {                    direction: 'horizontal', sizes: [50, 50], minSize: 200, gutterSize: 10, cursor: 'col-resize',                });            }            setBilingualViewBtn.classList.add('btn-primary');            setBilingualViewBtn.classList.remove('btn-outline-primary');            setTranslatedOnlyViewBtn.classList.remove('btn-primary');            setTranslatedOnlyViewBtn.classList.add('btn-outline-primary');        } else { // mode === 'translatedOnly'            previewOffcanvasLabel.textContent = getText('preview_translatedOnly');            originalPreviewContainer.style.display = 'none';            if (isMobileView) {                translatedPreviewContainer.style.height = '100%';            } else {                translatedPreviewContainer.style.width = '100%';            }            setTranslatedOnlyViewBtn.classList.add('btn-primary');            setTranslatedOnlyViewBtn.classList.remove('btn-outline-primary');            setBilingualViewBtn.classList.remove('btn-primary');            setBilingualViewBtn.classList.add('btn-outline-primary');        }    }    // --- Password Toggle Functionality ---    function setupPasswordToggle(button) {        const targetId = button.dataset.target;        const passwordInput = document.getElementById(targetId);        const icon = button.querySelector('i');        button.addEventListener('click', () => {            if (passwordInput.type === 'password') {                passwordInput.type = 'text';                icon.classList.remove('bi-eye-slash');                icon.classList.add('bi-eye');            } else {                passwordInput.type = 'password';                icon.classList.remove('bi-eye');                icon.classList.add('bi-eye-slash');            }        });    }    // --- Initialization ---    async function init() {        // Step 1: Fetch i18n data. This is critical for all UI text, including error messages.        try {            const response = await fetch("/static/i18nData.json");            if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`);            i18nData = await response.json(); // Overwrite the initial fallback object        } catch (error) {            console.error("Fatal: Failed to load i18n data. Application cannot start.", error);            const lang = getFromStorage('ui_language') || (navigator.language.toLowerCase().startsWith('en') ? 'en' : 'zh');            currentLang = lang;            alert(getText('init_i18n_failed_alert'));            return; // Stop execution        }        // Step 2: Fetch other backend data        isAdminMode = window.location.pathname.includes('/admin');        try {            const [metaRes, enginRes, paramsRes] = await Promise.all([                fetch("/service/meta"), fetch('/service/engin-list'), fetch("/service/default-params")            ]);            if (!metaRes.ok || !enginRes.ok || !paramsRes.ok) {                throw new Error("Failed to fetch initial data from server.");            }            const meta = await metaRes.json();            versionDisplay.textContent = `v${meta.version}`;            const enginList = await enginRes.json();            // Populate convert engin select            convertEnginSelect.innerHTML = ''; // Clear            const defaultOption = document.createElement('option');            defaultOption.value = 'identity';            convertEnginSelect.appendChild(defaultOption);            enginList.forEach(engin => {                const option = document.createElement('option');                option.value = engin;                convertEnginSelect.appendChild(option);            });            defaultParams = await paramsRes.json();        } catch (error) {            console.error("Initialization failed:", error);            alert(getText('init_failed_alert'));            return;        }        // Step 3: Initialize i18n system (now that all data is loaded and dynamic elements are populated)        initI18n();        // Step 4: Restore user settings and update UI based on them        workflowTypeSelect.value = getFromStorage('translator_last_workflow', 'markdown_based');        autoWorkflowSwitch.checked = getFromStorage('translator_auto_workflow_enabled', 'true') === 'true';        xlsxInsertModeSelect.value = getFromStorage('translator_xlsx_insert_mode', 'replace');        xlsxSeparatorInput.value = getFromStorage('translator_xlsx_separator', '\\n');        docxInsertModeSelect.value = getFromStorage('translator_docx_insert_mode', 'replace');        docxSeparatorInput.value = getFromStorage('translator_docx_separator', '\\n');        srtInsertModeSelect.value = getFromStorage('translator_srt_insert_mode', 'replace');        srtSeparatorInput.value = getFromStorage('translator_srt_separator', '\\n');        epubInsertModeSelect.value = getFromStorage('translator_epub_insert_mode', 'replace');        epubSeparatorInput.value = getFromStorage('translator_epub_separator', '\\n');        jsonPathsTextarea.value = getFromStorage('translator_json_paths');        platformSelect.value = getFromStorage('translator_last_platform', 'https://api.openai.com/v1');        convertEnginSelect.value = getFromStorage('translator_convert_engin', 'mineru');        toLangSelect.value = getFromStorage('translator_to_lang', '中文');        customLangInput.value = getFromStorage('translator_custom_to_lang', '');        formulaCheckbox.checked = getFromStorage('translator_formula_ocr', 'true') === 'true';        codeCheckbox.checked = getFromStorage('translator_code_ocr', 'true') === 'true';        customPromptTranslateArea.value = getFromStorage("custom_prompt");        // Set thinking mode from storage or default        const savedThinkingMode = getFromStorage('translator_thinking_mode', 'default');        const thinkingRadioToSelect = document.querySelector(`#thinkingModeBtnGroup input[value="${savedThinkingMode}"]`);        if (thinkingRadioToSelect) thinkingRadioToSelect.checked = true;        // Initial UI updates based on restored settings        updateWorkflowUI();        updatePlatformUI();        updateConvertEnginUI();        updateCustomLangUI();        // Setup sliders        setupSlider(chunkSizeSlider, chunkSizeDisplay, chunkSizeReset, 'chunk_size', defaultParams);        setupSlider(concurrentSlider, concurrentDisplay, concurrentReset, 'concurrent', defaultParams);        setupSlider(temperatureSlider, temperatureDisplay, temperatureReset, 'temperature', defaultParams);        // Setup other UI elements        document.querySelectorAll('.toggle-password').forEach(button => setupPasswordToggle(button));        // Restore tasks        if (isAdminMode) {            document.title = "DocuTranslate - Admin Panel";            try {                const response = await fetch('/service/task-list');                if (!response.ok) throw new Error(`Failed to fetch task list: ${response.statusText}`);                const allTaskIds = await response.json();                if (allTaskIds && Array.isArray(allTaskIds) && allTaskIds.length > 0) {                    allTaskIds.reverse().forEach(taskId => createTaskCard(taskId, true));                }            } catch (error) {                console.error("Admin mode: Failed to load task list from server.", error);                alert(getText('admin_tasklist_failed'));            }            updateTaskPlaceholderVisibility();        } else {            const savedTaskIds = JSON.parse(getFromStorage('active_task_ids', '[]'));            if (savedTaskIds.length > 0) {                savedTaskIds.forEach(taskId => createTaskCard(taskId, true));            } else {                createTaskCard();            }        }        // Add event listeners for saving settings        workflowTypeSelect.addEventListener('change', updateWorkflowUI);        autoWorkflowSwitch.addEventListener('change', e => saveToStorage('translator_auto_workflow_enabled', e.target.checked));        xlsxInsertModeSelect.addEventListener('change', e => {            updateSeparatorVisibility(xlsxInsertModeSelect, xlsxSeparatorGroup);            saveToStorage('translator_xlsx_insert_mode', e.target.value);        });        xlsxSeparatorInput.addEventListener('input', e => saveToStorage('translator_xlsx_separator', e.target.value));        docxInsertModeSelect.addEventListener('change', e => {            updateSeparatorVisibility(docxInsertModeSelect, docxSeparatorGroup);            saveToStorage('translator_docx_insert_mode', e.target.value);        });        docxSeparatorInput.addEventListener('input', e => saveToStorage('translator_docx_separator', e.target.value));        srtInsertModeSelect.addEventListener('change', e => {            updateSeparatorVisibility(srtInsertModeSelect, srtSeparatorGroup);            saveToStorage('translator_srt_insert_mode', e.target.value);        });        srtSeparatorInput.addEventListener('input', e => saveToStorage('translator_srt_separator', e.target.value));        epubInsertModeSelect.addEventListener('change', e => {            updateSeparatorVisibility(epubInsertModeSelect, epubSeparatorGroup);            saveToStorage('translator_epub_insert_mode', e.target.value);        });        epubSeparatorInput.addEventListener('input', e => saveToStorage('translator_epub_separator', e.target.value));        jsonPathsTextarea.addEventListener('input', e => saveToStorage('translator_json_paths', e.target.value));        platformSelect.addEventListener('change', updatePlatformUI);        apikeyInput.addEventListener('input', e => saveToStorage(`translator_platform_${platformSelect.value}_apikey`, e.target.value));        modelInput.addEventListener('input', e => saveToStorage(`translator_platform_${platformSelect.value}_model_id`, e.target.value));        baseUrlInput.addEventListener('input', e => {            if (platformSelect.value === 'custom') saveToStorage('translator_platform_custom_base_url', e.target.value);        });        convertEnginSelect.addEventListener('change', () => updateConvertEnginUI(false));        mineruTokenInput.addEventListener('input', e => saveToStorage('translator_mineru_token', e.target.value));        toLangSelect.addEventListener('change', e => {            saveToStorage('translator_to_lang', e.target.value);            updateCustomLangUI();        });        customLangInput.addEventListener('input', e => saveToStorage('translator_custom_to_lang', e.target.value));        document.querySelectorAll('#thinkingModeBtnGroup input[name="thinking"]').forEach(radio => {            radio.addEventListener('change', (e) => {                saveToStorage('translator_thinking_mode', e.target.value);            });        });        formulaCheckbox.addEventListener('change', e => saveToStorage('translator_formula_ocr', e.target.checked));        codeCheckbox.addEventListener('change', e => saveToStorage('translator_code_ocr', e.target.checked));        customPromptTranslateArea.addEventListener('input', () => saveToStorage("custom_prompt", customPromptTranslateArea.value));        // Add task button listener        addNewTaskBtn.addEventListener('click', () => createTaskCard());        // Add preview listeners        setBilingualViewBtn.addEventListener('click', () => setPreviewDisplayMode('bilingual'));        setTranslatedOnlyViewBtn.addEventListener('click', () => setPreviewDisplayMode('translatedOnly'));        window.addEventListener('resize', () => {            // Re-initialize split view on resize if canvas is open            if (previewOffcanvasEl.classList.contains('show')) {                setPreviewDisplayMode(originalPreviewContainer.style.display !== 'none' ? 'bilingual' : 'translatedOnly');            }        });    }    // --- Theme switcher logic ---    const getPreferredTheme = () => {        const storedTheme = localStorage.getItem('theme');        if (storedTheme) {            return storedTheme;        }        return 'auto';    };    const setTheme = theme => {        if (theme === 'auto') {            document.documentElement.setAttribute('data-bs-theme', window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');        } else {            document.documentElement.setAttribute('data-bs-theme', theme);        }    };    const showActiveTheme = (theme) => {        document.querySelectorAll('[data-bs-theme-value]').forEach(element => {            element.classList.remove('active');        });        const activeButton = document.querySelector(`[data-bs-theme-value="${theme}"]`);        if (activeButton) {            activeButton.classList.add('active');        }    };    const preferredTheme = getPreferredTheme();    setTheme(preferredTheme);    showActiveTheme(preferredTheme);    window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {        const storedTheme = localStorage.getItem('theme');        if (storedTheme === 'auto' || !storedTheme) {            setTheme('auto');        }    });    document.querySelectorAll('[data-bs-theme-value]').forEach(toggle => {        toggle.addEventListener('click', () => {            const theme = toggle.getAttribute('data-bs-theme-value');            localStorage.setItem('theme', theme);            setTheme(theme);            showActiveTheme(theme);        });    });    // --- Start the application ---    document.addEventListener('DOMContentLoaded', init);</script></body></html>
\ No newline at end of file
+<!DOCTYPE html><html lang="zh-CN" data-bs-theme="auto"><head>    <meta charset="UTF-8">    <meta name="viewport" content="width=device-width, initial-scale=1.0">    <title data-i18n-title="pageTitle">DocuTranslate - 交互式文档翻译</title>    <link rel="icon" href="/static/favicon.ico" type="image/x-icon">    <!-- Bootstrap CSS -->    <link href="/static/bootstrap.css" rel="stylesheet" crossorigin="anonymous">    <!-- Bootstrap Icons -->    <link rel="stylesheet" href="/static/bootstrap-icons.css">    <style>        body {            background-color: var(--bs-body-bg);        }        .main-container {            display: flex;            flex-direction: column;            height: 100vh;            padding-top: 1rem;            padding-bottom: 1rem;        }        .settings-panel {            height: calc(100vh - 2rem);            overflow-y: auto;            padding-right: 15px; /* for scrollbar */        }        .task-area {            height: calc(100vh - 2rem);            overflow-y: auto;        }        .task-card {            transition: all 0.3s ease-in-out;        }        .task-id-placeholder {            color: var(--bs-secondary-color);            font-style: italic;        }        .log-area {            height: 150px;            background-color: var(--bs-tertiary-bg);            border: 1px solid var(--bs-border-color);            border-radius: .375rem;            font-family: monospace;            font-size: 0.8rem;            padding: 10px;            overflow-y: auto;            white-space: pre-wrap;            word-break: break-all;        }        .file-drop-area {            border: 2px dashed var(--bs-secondary-bg);            border-radius: .375rem;            padding: 2rem;            text-align: center;            cursor: pointer;            transition: all 0.2s ease-in-out;            background-color: var(--bs-body-bg);        }        .file-drop-area.drag-over {            border-color: var(--bs-primary);            background-color: var(--bs-secondary-bg);        }        .file-drop-area.file-selected {            border-style: solid;            border-color: var(--bs-success);            background-color: var(--bs-success-bg-subtle);        }        .file-drop-area.input-error {            border-color: var(--bs-danger);        }        .file-name-display.input-error-text {            color: var(--bs-danger);            font-weight: bold;        }        #printFrame, #translatedPreviewFrame {            border: none;            width: 100%;        }        #previewOffcanvas {            --bs-offcanvas-width: 95vw;            max-width: 1600px;        }        .preview-split-container {            display: flex;            flex-direction: row;            height: 90%;        }        .preview-pane-wrapper {            display: flex;            flex-direction: column;            overflow: hidden; /* Important for split.js */        }        .preview-pane-wrapper h6 {            flex-shrink: 0;            padding: 0.25rem;        }        .preview-pane-wrapper .preview-pane {            flex-grow: 1; /* Make the inner pane grow */            border: 1px solid var(--bs-border-color);            border-radius: .375rem;            overflow: auto;        }        .gutter {            background-color: var(--bs-tertiary-bg);            background-repeat: no-repeat;            background-position: 50%;        }        .gutter.gutter-horizontal {            cursor: col-resize;            border-left: 1px solid var(--bs-border-color);            border-right: 1px solid var(--bs-border-color);        }        .gutter.gutter-vertical {            cursor: row-resize;            border-top: 1px solid var(--bs-border-color);            border-bottom: 1px solid var(--bs-border-color);        }        .preview-pane iframe, .preview-pane pre {            width: 100%;            height: 95%;            border: none;            margin: 0;            padding: 0;            overflow: auto;            background-color: var(--bs-body-bg);        }        .slider-reset-btn {            visibility: hidden;        }        .bottom-left-controls {            position: fixed;            bottom: 1rem;            left: 1rem;            z-index: 1050;            display: flex;            gap: 0.5rem;        }        @media (max-width: 991.98px) {            .main-container {                height: auto;                padding-bottom: 6rem;            }            .settings-panel, .task-area {                height: auto;                overflow-y: visible;            }            .settings-panel {                padding-right: 0;                margin-bottom: 2rem;            }        }        @media (max-width: 767.98px) {            .task-card .col-md-7 {                margin-top: 1.5rem;            }            #previewOffcanvas {                --bs-offcanvas-width: 100vw;            }        }    </style></head><body><div class="container-fluid main-container">    <div class="row gx-4">        <!-- Left: Settings Panel -->        <div class="col-lg-4">            <div class="settings-panel">                <div class="d-flex justify-content-between align-items-center mb-3">                    <div class="d-flex align-items-center">                        <h4 class="mb-0 me-3"><i class="bi"></i>DocuTranslate</h4>                        <span id="versionDisplay" class="badge bg-success me-4"></span>                        <div class="btn-group">                            <button type="button" class="btn btn-sm btn-outline-info" data-bs-toggle="modal"                                    data-bs-target="#tutorialModal">                                <i class="bi bi-question-circle-fill me-1"></i><span data-i18n="tutorialBtn">教程</span>                            </button>                            <button type="button" class="btn btn-sm btn-outline-warning" data-bs-toggle="modal"                                    data-bs-target="#contributorsModal">                                <i class="bi bi-people-fill me-1"></i><span                                    data-i18n="projectContributeBtn">项目协作</span>                            </button>                        </div>                    </div>                </div>                <form id="translateForm">                    <div class="accordion" id="settingsAccordion">                        <!-- Workflow Selection -->                        <div class="accordion-item" id="workflowSettingsContainer">                            <h2 class="accordion-header" id="headingZero">                                <button class="accordion-button" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseZero" aria-expanded="true"                                        aria-controls="collapseZero">                                    <strong><i class="bi bi-diagram-3 me-2"></i><span                                            data-i18n="workflowTitle">1. 选择工作流</span></strong>                                </button>                            </h2>                            <div id="collapseZero" class="accordion-collapse collapse show"                                 aria-labelledby="headingZero">                                <div class="accordion-body">                                    <select class="form-select" id="workflowTypeSelect">                                        <option value="markdown_based" data-i18n="workflowOptionMarkdown">转Markdown再翻译                                            (.pdf/.md/.png等)                                        </option>                                        <option value="txt" data-i18n="workflowOptionTxt">纯文本翻译 (.txt)</option>                                        <option value="json" data-i18n="workflowOptionJson">JSON翻译 (.json)</option>                                        <option value="docx" data-i18n="workflowOptionDocx">DOCX翻译 (.docx)</option>                                        <option value="xlsx" data-i18n="workflowOptionXlsx">XLSX翻译 (.xlsx)</option>                                        <option value="srt" data-i18n="workflowOptionSrt">SRT字幕翻译 (.srt)</option>                                        <option value="epub" data-i18n="workflowOptionEpub">EPUB翻译 (.epub)</option>                                    </select>                                    <div class="form-check form-switch mt-2">                                        <input class="form-check-input" type="checkbox" role="switch"                                               id="autoWorkflowSwitch">                                        <label class="form-check-label" for="autoWorkflowSwitch"                                               data-i18n="autoWorkflowLabel">自动选择工作流</label>                                    </div>                                </div>                            </div>                        </div>                        <!-- [NEW] DOCX Settings Container -->                        <div class="accordion-item" id="docxSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingDocx">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseDocx" aria-expanded="false"                                        aria-controls="collapseDocx">                                    <strong id="docxSettingsTitle"><i class="bi bi-file-earmark-word-fill me-2"></i>2.                                        DOCX翻译选项</strong>                                </button>                            </h2>                            <div id="collapseDocx" class="accordion-collapse collapse" aria-labelledby="headingDocx">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="docx_insert_mode" class="form-label" data-i18n="insertModeLabel">插入模式</label>                                        <select class="form-select" id="docx_insert_mode" name="insert_mode">                                            <option value="replace" data-i18n="insertModeReplace">替换原文 (Replace)                                            </option>                                            <option value="append" data-i18n="insertModeAppend">附加到原文后 (Append)                                            </option>                                            <option value="prepend" data-i18n="insertModePrepend">附加到原文前                                                (Prepend)                                            </option>                                        </select>                                        <div class="form-text" data-i18n="insertModeHelpDocx">                                            选择如何将翻译后的文本插入。                                        </div>                                    </div>                                    <div class="mb-3" id="docxSeparatorGroup" style="display: none;">                                        <label for="docx_separator" class="form-label"                                               data-i18n="separatorLabel">分隔符</label>                                        <input type="text" class="form-control" id="docx_separator" name="separator"                                               data-i18n-placeholder="separatorPlaceholder"                                               placeholder="例如: \n---翻译---\n">                                        <div class="form-text" data-i18n="separatorHelp">                                            当插入模式为附加或前置时，用于分隔原文和译文的字符。<code>\n</code> 代表换行。                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- XLSX Settings Container -->                        <div class="accordion-item" id="xlsxSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingXlsx">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseXlsx" aria-expanded="false"                                        aria-controls="collapseXlsx">                                    <strong id="xlsxSettingsTitle"><i                                            class="bi bi-file-earmark-spreadsheet-fill me-2"></i>2.                                        XLSX翻译选项</strong>                                </button>                            </h2>                            <div id="collapseXlsx" class="accordion-collapse collapse" aria-labelledby="headingXlsx">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="xlsx_insert_mode" class="form-label" data-i18n="insertModeLabel">插入模式</label>                                        <select class="form-select" id="xlsx_insert_mode" name="insert_mode">                                            <option value="replace" data-i18n="insertModeReplace">替换原文 (Replace)                                            </option>                                            <option value="append" data-i18n="insertModeAppend">附加到原文后 (Append)                                            </option>                                            <option value="prepend" data-i18n="insertModePrepend">附加到原文前                                                (Prepend)                                            </option>                                        </select>                                        <div class="form-text" data-i18n="insertModeHelpXlsx">                                            选择如何将翻译后的文本插入到单元格中。                                        </div>                                    </div>                                    <div class="mb-3" id="xlsxSeparatorGroup" style="display: none;">                                        <label for="xlsx_separator" class="form-label"                                               data-i18n="separatorLabel">分隔符</label>                                        <input type="text" class="form-control" id="xlsx_separator" name="separator"                                               data-i18n-placeholder="separatorPlaceholderSimple"                                               placeholder="例如: \n---\n">                                        <div class="form-text" data-i18n="separatorHelp">                                            当插入模式为附加或前置时，用于分隔原文和译文的字符。<code>\n</code> 代表换行。                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- [NEW] SRT Settings Container -->                        <div class="accordion-item" id="srtSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingSrt">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseSrt" aria-expanded="false"                                        aria-controls="collapseSrt">                                    <strong id="srtSettingsTitle"><i class="bi bi-filetype-srt me-2"></i>2.                                        SRT翻译选项</strong>                                </button>                            </h2>                            <div id="collapseSrt" class="accordion-collapse collapse" aria-labelledby="headingSrt">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="srt_insert_mode" class="form-label"                                               data-i18n="insertModeLabel">插入模式</label>                                        <select class="form-select" id="srt_insert_mode" name="insert_mode">                                            <option value="replace" data-i18n="insertModeReplace">替换原文 (Replace)                                            </option>                                            <option value="append" data-i18n="insertModeAppend">附加到原文后 (Append)                                            </option>                                            <option value="prepend" data-i18n="insertModePrepend">附加到原文前                                                (Prepend)                                            </option>                                        </select>                                        <div class="form-text" data-i18n="insertModeHelpSrt">                                            选择如何将翻译后的文本插入。                                        </div>                                    </div>                                    <div class="mb-3" id="srtSeparatorGroup" style="display: none;">                                        <label for="srt_separator" class="form-label"                                               data-i18n="separatorLabel">分隔符</label>                                        <input type="text" class="form-control" id="srt_separator" name="separator"                                               data-i18n-placeholder="separatorPlaceholderSimple"                                               placeholder="例如: \n---\n">                                        <div class="form-text" data-i18n="separatorHelp">                                            当插入模式为附加或前置时，用于分隔原文和译文的字符。<code>\n</code> 代表换行。                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- [NEW] EPUB Settings Container -->                        <div class="accordion-item" id="epubSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingEpub">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseEpub" aria-expanded="false"                                        aria-controls="collapseEpub">                                    <strong id="epubSettingsTitle"><i class="bi bi-book me-2"></i>2.                                        EPUB翻译选项</strong>                                </button>                            </h2>                            <div id="collapseEpub" class="accordion-collapse collapse" aria-labelledby="headingEpub">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="epub_insert_mode" class="form-label" data-i18n="insertModeLabel">插入模式</label>                                        <select class="form-select" id="epub_insert_mode" name="insert_mode">                                            <option value="replace" data-i18n="insertModeReplace">替换原文 (Replace)                                            </option>                                            <option value="append" data-i18n="insertModeAppend">附加到原文后 (Append)                                            </option>                                            <option value="prepend" data-i18n="insertModePrepend">附加到原文前                                                (Prepend)                                            </option>                                        </select>                                        <div class="form-text" data-i18n="insertModeHelpEpub">                                            选择如何将翻译后的文本插入。                                        </div>                                    </div>                                    <div class="mb-3" id="epubSeparatorGroup" style="display: none;">                                        <label for="epub_separator" class="form-label"                                               data-i18n="separatorLabel">分隔符</label>                                        <input type="text" class="form-control" id="epub_separator" name="separator"                                               data-i18n-placeholder="separatorPlaceholderSimple"                                               placeholder="例如: \n---\n">                                        <div class="form-text" data-i18n="separatorHelp">                                            当插入模式为附加或前置时，用于分隔原文和译文的字符。<code>\n</code> 代表换行。                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- JSON Paths Settings Container -->                        <div class="accordion-item" id="jsonSettingsContainer" style="display: none;">                            <h2 class="accordion-header" id="headingJson">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseJson" aria-expanded="false"                                        aria-controls="collapseJson">                                    <strong id="jsonSettingsTitle"><i class="bi bi-signpost-split me-2"></i>2. JSON路径配置</strong>                                </button>                            </h2>                            <div id="collapseJson" class="accordion-collapse collapse" aria-labelledby="headingJson">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="json_paths_textarea" class="form-label" data-i18n="jsonPathLabel">需要翻译的JSON路径</label>                                        <textarea class="form-control" id="json_paths_textarea" name="json_paths"                                                  rows="4" required                                                  data-i18n-placeholder="jsonPathPlaceholder" placeholder="每行一个路径, 例如:$.name$.*"></textarea>                                        <div class="form-text" data-i18n="jsonPathHelp">                                            采用<code>jsonpath-ng</code>的路径选择语法，每一行表示一个json路径                                        </div>                                    </div>                                </div>                            </div>                        </div>                        <!-- Parsing Engine Settings Container -->                        <div class="accordion-item" id="parsingSettingsContainer">                            <h2 class="accordion-header" id="headingOne">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseOne" aria-expanded="false" aria-controls="collapseOne">                                    <strong id="parsingSettingsTitle"><i class="bi bi-file-earmark-binary me-2"></i>2.                                        解析配置</strong>                                </button>                            </h2>                            <div id="collapseOne" class="accordion-collapse collapse" aria-labelledby="headingOne">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="convert_engine" class="form-label" data-i18n="parsingEngineLabel">解析引擎</label>                                        <select class="form-select" id="convert_engine" name="convert_engine">                                            <!-- Options will be populated by JS -->                                        </select>                                        <div class="form-text" data-i18n="parsingEngineHelp">                                            如果上传的文件本身是.md格式，此项可不选。                                        </div>                                    </div>                                    <div class="mb-3" id="mineruTokenGroup">                                        <label for="mineru_token" class="form-label">                                            Mineru Token                                            <a href="https://mineru.net/apiManage/token" target="_blank" class="ms-1"                                               data-i18n-title="getMineruTokenTitle" title="获取Mineru Token"><i                                                    class="bi bi-box-arrow-up-right"></i></a>                                        </label>                                        <div class="input-group">                                            <input type="password" class="form-control" id="mineru_token"                                                   name="mineru_token" data-i18n-placeholder="mineruTokenPlaceholder"                                                   placeholder="使用Mineru引擎时需要">                                            <button class="btn btn-outline-secondary toggle-password" type="button"                                                    data-target="mineru_token">                                                <i class="bi bi-eye-slash"></i>                                            </button>                                        </div>                                    </div>                                    <div class="form-check form-switch mb-2">                                        <input class="form-check-input" type="checkbox" role="switch"                                               id="formula_ocr"                                               name="formula_ocr" checked>                                        <label class="form-check-label" for="formula_ocr" data-i18n="formulaOcrLabel">公式识别</label>                                    </div>                                    <div class="form-check form-switch mb-2" id="codeOcrSwitch">                                        <input class="form-check-input" type="checkbox" role="switch" id="code_ocr"                                               name="code_ocr" checked>                                        <label class="form-check-label" for="code_ocr"                                               data-i18n="codeOcrLabel">代码识别</label>                                    </div>                                </div>                            </div>                        </div>                        <!-- AI Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingTwo">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">                                    <strong id="aiSettingsTitle"><i class="bi bi-robot me-2"></i>3. 翻译模型</strong>                                </button>                            </h2>                            <div id="collapseTwo" class="accordion-collapse collapse" aria-labelledby="headingTwo">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="platform_select" class="form-label"                                               data-i18n="platformLabel">选择平台</label>                                        <select class="form-select" id="platform_select">                                            <option value="custom" data-i18n="platformCustom">自定义接口</option>                                            <option value="https://api.openai.com/v1">OpenAI</option>                                            <option value="https://generativelanguage.googleapis.com/v1beta/openai/">                                                Gemini                                            </option>                                            <option value="https://open.bigmodel.cn/api/paas/v4">智谱AI</option>                                            <option value="https://api.deepseek.com/v1">DeepSeek</option>                                            <option value="https://dashscope.aliyuncs.com/compatible-mode/v1">                                                阿里云百炼                                            </option>                                            <option value="https://www.dmxapi.cn/v1">DMXAPI</option>                                            <option value="https://openrouter.ai/api/v1">OpenRouter</option>                                            <option value="https://ark.cn-beijing.volces.com/api/v3">火山引擎</option>                                            <option value="https://api.siliconflow.cn/v1">硅基流动</option>                                        </select>                                    </div>                                    <div class="mb-3" id="baseUrlGroup">                                        <label for="base_url" class="form-label" data-i18n="baseUrlLabel">API 地址 (Base                                            URL)</label>                                        <input type="url" class="form-control" id="base_url" name="base_url" required                                               data-i18n-placeholder="baseUrlPlaceholder" placeholder="OpenAi兼容地址">                                    </div>                                    <div class="mb-3">                                        <label for="api_key" class="form-label">                                            API Key                                            <a href="#" target="_blank" class="ms-1" id="api_href"                                               data-i18n-title="getApiKeyTitle" title="获取API Key"><i                                                    class="bi bi-box-arrow-up-right"></i></a>                                        </label>                                        <div class="input-group">                                            <input type="password" class="form-control" id="api_key" name="api_key"                                                   required                                                   data-i18n-placeholder="apiKeyPlaceholder"                                                   placeholder="请输入您的API Key">                                            <button class="btn btn-outline-secondary toggle-password" type="button"                                                    data-target="api_key">                                                <i class="bi bi-eye-slash"></i>                                            </button>                                        </div>                                    </div>                                    <div class="mb-3">                                        <label for="model_id" class="form-label" data-i18n="modelIdLabel">模型                                            ID</label>                                        <input type="text" class="form-control" id="model_id" name="model_id" required                                               data-i18n-placeholder="modelIdPlaceholder"                                               placeholder="例如: gpt-4o, glm-4">                                    </div>                                </div>                            </div>                        </div>                        <!-- Translation Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingThree">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseThree" aria-expanded="false"                                        aria-controls="collapseThree">                                    <strong id="translationSettingsTitle"><i class="bi bi-translate me-2"></i>4. 翻译配置</strong>                                </button>                            </h2>                            <div id="collapseThree" class="accordion-collapse collapse" aria-labelledby="headingThree">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="to_lang" class="form-label"                                               data-i18n="targetLanguageLabel">目标语言</label>                                        <select class="form-select" id="to_lang" name="to_lang">                                            <option value="中文">中文(简体中文)</option>                                            <option value="英文">英文(English)</option>                                            <option value="西班牙文">西班牙文(Español)</option>                                            <option value="法文">法文(Français)</option>                                            <option value="德文">德文(Deutsch)</option>                                            <option value="日文">日文(日本語)</option>                                            <option value="韩文">韩文(한국어)</option>                                            <option value="俄文">俄文(Русский)</option>                                            <option value="葡萄牙文">葡萄牙文(Português)</option>                                            <option value="阿拉伯文">阿拉伯文(العَرَبِيَّة)</option>                                            <option value="越南文">越南文(tiếng Việt)</option>                                            <option value="custom" data-i18n="targetLanguageCustom">其它 (自定义)                                            </option>                                        </select>                                        <div class="mt-2" id="customLangGroup" style="display: none;">                                            <input type="text" class="form-control" id="custom_to_lang"                                                   name="custom_to_lang" data-i18n-placeholder="customLangPlaceholder"                                                   placeholder="请输入目标语言, 例如: Italian">                                        </div>                                    </div>                                    <div class="mb-3">                                        <label class="form-label" data-i18n="thinkingModeLabel">思考模式</label><i                                            class="bi bi-question-circle ms-2 tooltip-icon"                                            data-bs-toggle="tooltip"                                            data-bs-placement="top"                                            data-i18n-title="thinkingModeTooltip"                                            data-bs-title="设置混合推理模型的思考模式，目前支持智谱平台的glm-4.5系列、阿里云的qwen3系列、火山引擎的Doubao-Seed-1.6系列等">                                    </i>                                        <div id="thinkingModeBtnGroup" class="btn-group w-100" role="group"                                             aria-label="Thinking Mode Toggle">                                            <input type="radio" class="btn-check" name="thinking" id="thinkingEnable"                                                   value="enable" autocomplete="off">                                            <label class="btn btn-outline-primary" for="thinkingEnable"                                                   data-i18n="thinkingModeEnable">启用</label>                                            <input type="radio" class="btn-check" name="thinking" id="thinkingDisable"                                                   value="disable" autocomplete="off">                                            <label class="btn btn-outline-primary" for="thinkingDisable"                                                   data-i18n="thinkingModeDisable">禁用</label>                                            <input type="radio" class="btn-check" name="thinking" id="thinkingDefault"                                                   value="default" autocomplete="off">                                            <label class="btn btn-outline-primary" for="thinkingDefault"                                                   data-i18n="thinkingModeDefault">默认</label>                                        </div>                                    </div>                                    <div class="mb-3">                                        <label for="custom_prompt" class="form-label" data-i18n="customPromptLabel">自定义Prompt</label>                                        <textarea class="form-control" id="custom_prompt"                                                  name="custom_prompt" rows="3"                                                  data-i18n-placeholder="customPromptPlaceholder"                                                  placeholder="可选，如“人名保持原文不翻译”"></textarea>                                    </div>                                </div>                            </div>                        </div>                        <!-- Other Settings -->                        <div class="accordion-item">                            <h2 class="accordion-header" id="headingFour">                                <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"                                        data-bs-target="#collapseFour" aria-expanded="false"                                        aria-controls="collapseFour">                                    <strong id="advancedSettingsTitle"><i class="bi bi-sliders me-2"></i>5.                                        高级参数</strong>                                </button>                            </h2>                            <div id="collapseFour" class="accordion-collapse collapse" aria-labelledby="headingFour">                                <div class="accordion-body">                                    <div class="mb-3">                                        <label for="chunk-size-slider"                                               class="form-label d-flex justify-content-between">                                            <span><span data-i18n="chunkSizeLabel">分块大小</span>: <span                                                    id="chunk-size-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="chunk-size-reset" data-i18n="resetBtn">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="1000" max="8000" step="100"                                               id="chunk-size-slider" name="chunk_size">                                    </div>                                    <div class="mb-3">                                        <label for="concurrent-slider"                                               class="form-label d-flex justify-content-between">                                            <span><span data-i18n="concurrentLabel">并发数</span>: <span                                                    id="concurrent-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="concurrent-reset" data-i18n="resetBtn">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="1" max="60" step="1"                                               id="concurrent-slider" name="concurrent">                                    </div>                                    <div class="mb-3">                                        <label for="temperature-slider"                                               class="form-label d-flex justify-content-between">                                            <span>Temperature: <span id="temperature-display"></span></span>                                            <button type="button"                                                    class="btn btn-sm btn-outline-secondary py-0 px-1 slider-reset-btn"                                                    id="temperature-reset" data-i18n="resetBtn">重置                                            </button>                                        </label>                                        <input type="range" class="form-range" min="0" max="2" step="0.1"                                               id="temperature-slider" name="temperature">                                    </div>                                </div>                            </div>                        </div>                    </div>                </form>                <!-- 项目信息 -->                <div class="mt-4 text-left text-muted small">                    <p class="bi bi-github mb-1" data-i18n="githubInfo">                        GitHub主页(欢迎star❤): <br/>                        <a href="https://github.com/xunbu/docutranslate" target="_blank" rel="noopener noreferrer">https://github.com/xunbu/docutranslate</a>                    </p>                    <p class="bi bi-tencent-qq mb-0" data-i18n="qqGroupInfo">                        交流QQ群: 1047781902                    </p>                </div>            </div>        </div>        <!-- Right: Task Area -->        <div class="col-lg-8">            <div class="task-area" id="task-area-container">                <div class="d-flex justify-content-between align-items-center mb-3">                    <h4 class="mb-0"><i class="bi bi-list-task me-2"></i><span data-i18n="taskListTitle">任务列表</span>                    </h4>                    <button class="btn btn-primary" id="addNewTaskBtn"><i class="bi bi-plus-circle-fill me-2"></i><span                            data-i18n="newTaskBtn">新建任务</span>                    </button>                </div>                <div id="task-container">                    <!-- Task cards will be injected here -->                </div>                <div id="no-task-placeholder" class="text-center text-muted mt-5">                    <i class="bi bi-journal-plus" style="font-size: 4rem;"></i>                    <p class="mt-3" data-i18n="noTaskPlaceholder">当前没有任务，点击“新建任务”开始吧！</p>                </div>            </div>        </div>    </div></div><!-- Task Card Template --><template id="taskCardTemplate">    <div class="card mb-3 task-card">        <div class="card-header d-flex justify-content-between align-items-center">            <span class="fw-bold"><span data-i18n="taskCardIdLabel">任务 ID</span>: <code class="task-id-display"><span                    class="task-id-placeholder" data-i18n="taskCardIdPlaceholder">等待提交...</span></code></span>            <button type="button" class="btn-close remove-task-btn" aria-label="Close"></button>        </div>        <div class="card-body">            <div class="row">                <div class="col-md-5">                    <input type="file" class="d-none file-input">                    <div class="file-drop-area">                        <div class="file-drop-default">                            <i class="bi bi-cloud-arrow-up fs-1"></i>                            <p class="file-drop-prompt mb-0" data-i18n="taskCardFileDrop">点击或拖拽文件到此处</p>                        </div>                        <div class="file-drop-selected" style="display: none;">                            <i class="bi bi-check-circle-fill fs-1 text-success"></i>                            <p class="mb-0 mt-2 fw-bold text-success" data-i18n="taskCardFileSelected">文件已选择</p>                        </div>                    </div>                    <div class="file-name-display-wrapper mt-2" style="display: none;">                        <span class="fw-bold" data-i18n="taskCardFilenameLabel">文件名: </span>                        <span class="file-name-display text-success"></span>                    </div>                </div>                <div class="col-md-7">                    <h6><i class="bi bi-terminal me-2"></i><span data-i18n="taskCardLogLabel">日志</span></h6>                    <div class="log-area"></div>                    <div class="mt-2">                        <div class="status-message-container">                            <span class="status-message small text-muted"                                  data-i18n="taskCardStatusWaiting">等待上传文件...</span>                        </div>                        <div class="progress mt-1" role="progressbar" style="height: 5px; display: none;">                            <div class="progress-bar progress-bar-striped progress-bar-animated"                                 style="width: 100%"></div>                        </div>                    </div>                </div>            </div>        </div>        <div class="card-footer d-flex justify-content-between align-items-center">            <div class="download-buttons" style="display: none;">                <button class="btn btn-sm btn-success preview-html-btn" style="display: none;"><i                        class="bi bi-eye-fill me-1"></i><span data-i18n="taskCardPreviewBtn">预览</span>                </button>                <div class="btn-group">                    <button type="button" class="btn btn-sm btn-secondary dropdown-toggle" data-bs-toggle="dropdown"                            aria-expanded="false">                        <i class="bi bi-download me-1"></i><span data-i18n="taskCardDownloadBtn">下载</span>                    </button>                    <ul class="dropdown-menu download-menu-container">                        <!-- Populated by JavaScript -->                    </ul>                </div>            </div>            <button class="btn btn-primary start-translate-btn ms-auto"><i class="bi bi-play-fill me-1"></i><span                    data-i18n="taskCardStartBtn">开始翻译</span>            </button>        </div>    </div></template><!-- Reusable Download Menu Template --><template id="downloadMenuTemplate">    <li class="download-item-md"><a class="dropdown-item" href="#"><i            class="bi bi-markdown-fill me-2"></i><span data-i18n="downloadMdEmbedded">Markdown(嵌图)</span></a></li>    <li class="download-item-md-zip"><a class="dropdown-item" href="#"><i            class="bi bi-file-zip-fill me-2"></i><span data-i18n="downloadMdZip">Markdown压缩包</span></a></li>    <li class="download-item-txt"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-txt me-2"></i>TXT</a></li>    <li class="download-item-json"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-json me-2"></i>JSON</a></li>    <li class="download-item-docx"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-docx me-2"></i>DOCX</a></li>    <li class="download-item-xlsx"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-xlsx me-2"></i>XLSX</a></li>    <li class="download-item-srt"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-srt me-2"></i>SRT</a></li>    <li class="download-item-epub"><a class="dropdown-item" href="#"><i            class="bi bi-book me-2"></i>EPUB</a></li>    <li class="download-item-html"><a class="dropdown-item" href="#"><i            class="bi bi-filetype-html me-2"></i>HTML</a></li>    <li class="download-item-pdf"><a class="dropdown-item" href="#"><i            class="bi bi-file-earmark-pdf-fill me-2"></i>PDF</a></li></template><!-- Preview Offcanvas with Resizable Panes --><div class="offcanvas offcanvas-end" data-bs-scroll="true" tabindex="-1" id="previewOffcanvas"     aria-labelledby="previewOffcanvasLabel">    <div class="offcanvas-header border-bottom">        <h5 class="offcanvas-title" id="previewOffcanvasLabel" data-i18n="previewTitle">预览</h5>        <div class="btn-group me-auto ms-4" role="group">            <button type="button" class="btn btn-sm btn-primary" id="setBilingualViewBtn"                    data-i18n="previewBilingualBtn">双语            </button>            <button type="button" class="btn btn-sm btn-outline-primary" id="setTranslatedOnlyViewBtn"                    data-i18n="previewTranslatedOnlyBtn">仅译文            </button>        </div>        <button type="button" class="btn-close" data-bs-dismiss="offcanvas" aria-label="Close"></button>    </div>    <div class="offcanvas-body d-flex flex-column p-2">        <div class="preview-split-container flex-grow-1">            <div id="originalPreviewContainer" class="preview-pane-wrapper">                <h6 class="text-center text-muted small" data-i18n="previewOriginal">原文</h6>                <div class="preview-pane" id="originalPreviewPane"></div>            </div>            <div id="translatedPreviewContainer" class="preview-pane-wrapper">                <h6 class="text-center text-muted small" data-i18n="previewTranslated">译文</h6>                <div class="preview-pane">                    <iframe id="translatedPreviewFrame" src="about:blank"></iframe>                </div>            </div>        </div>        <div class="offcanvas-footer mt-2 pt-3 border-top d-flex justify-content-end align-items-center">            <button type="button" class="btn btn-secondary" data-bs-dismiss="offcanvas" data-i18n="closeBtn">关闭            </button>            <div class="btn-group ms-2">                <button type="button" class="btn btn-primary dropdown-toggle" data-bs-toggle="dropdown"                        aria-expanded="false" id="previewDownloadBtn">                    <i class="bi bi-download me-1"></i><span data-i18n="downloadBtn">下载</span>                </button>                <ul class="dropdown-menu dropdown-menu-end" id="previewDownloadMenu">                    <!-- Populated by JavaScript -->                </ul>            </div>        </div>    </div></div><!-- Hidden iframe for direct PDF printing --><iframe id="printFrame" style="display: none;"></iframe><!-- Bottom Left Controls --><div class="bottom-left-controls">    <!-- Language Switcher -->    <div class="dropdown">        <button class="btn btn-secondary dropdown-toggle" type="button" id="language-switcher" data-bs-toggle="dropdown"                aria-expanded="false" title="切换语言 / Switch Language">            <i class="bi bi-translate"></i>        </button>        <ul class="dropdown-menu" aria-labelledby="language-switcher" id="languageMenu">            <li><a class="dropdown-item" href="#" data-lang="zh">中文</a></li>            <li><a class="dropdown-item" href="#" data-lang="en">English</a></li>        </ul>    </div>    <!-- Theme Switcher -->    <div class="dropdown">        <button class="btn btn-secondary dropdown-toggle" type="button" id="theme-switcher" data-bs-toggle="dropdown"                aria-expanded="false">            <i class="bi bi-circle-half"></i>        </button>        <ul class="dropdown-menu" aria-labelledby="theme-switcher">            <li>                <button class="dropdown-item" type="button" data-bs-theme-value="light"><i                        class="bi bi-sun-fill me-2"></i>                    Light                </button>            </li>            <li>                <button class="dropdown-item" type="button" data-bs-theme-value="dark"><i                        class="bi bi-moon-stars-fill me-2"></i> Dark                </button>            </li>            <li>                <button class="dropdown-item active" type="button" data-bs-theme-value="auto"><i                        class="bi bi-circle-half me-2"></i> Auto                </button>            </li>        </ul>    </div></div><!-- Tutorial Modal --><div class="modal fade" id="tutorialModal" tabindex="-1" aria-labelledby="tutorialModalLabel" aria-hidden="true">    <div class="modal-dialog modal-lg modal-dialog-centered modal-dialog-scrollable">        <div class="modal-content">            <div class="modal-header">                <h5 class="modal-title" id="tutorialModalLabel"><i class="bi bi-book-half me-2"></i><span                        data-i18n="tutorialModalTitle">使用教程</span></h5>                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>            </div>            <div class="modal-body" data-i18n="tutorialModalBody">                <p><i class="bi bi-camera-video me-2"></i>视频教程可以在B站搜索 <a                        href="https://search.bilibili.com/all?keyword=docutranslate" target="_blank">docutranslate</a>                    获取。</p>                <p>欢迎使用 DocuTranslate！请按照以下步骤完成文档翻译：</p>                <ol>                    <li>                        <strong><i class="bi bi-diagram-3 me-2"></i>选择工作流</strong>                        <p class="mt-2">                            首先，在配置面板顶部选择您需要的翻译流程。不同的工作流适用于不同类型的文件：                        <ul>                            <li><b>转Markdown再翻译</b>: 适用于翻译PDF、markdown、图片等文件。</li>                            <li><b>纯文本翻译</b>: 用于翻译 <code>.txt</code> 等纯文本文件。</li>                            <li><b>JSON翻译</b>: 用于翻译 <code>.json</code> 文件中的特定字段。</li>                            <li><b>DOCX翻译</b>: 用于翻译 <code>.docx</code> 文件。</li>                            <li><b>XLSX翻译</b>: 用于翻译 <code>.xlsx</code> 电子表格文件。</li>                            <li><b>SRT字幕翻译</b>: 用于翻译 <code>.srt</code> 字幕文件。</li>                            <li><b>EPUB翻译</b>: 用于翻译 <code>.epub</code> 电子书文件。</li>                        </ul>                        <div class="alert alert-info mt-2" role="alert">                            <i class="bi bi-lightbulb-fill me-2"></i>新增功能:                            "自动选择工作流"开关已默认开启。您只需上传文件，系统会自动为您匹配合适的工作流，简化操作。                        </div>                        </p>                    </li>                    <li>                        <strong><i class="bi bi-gear-fill me-2"></i>配置参数</strong>                        <p class="mt-2">根据您选择的工作流，完成相应的配置。所有配置项都会自动保存在您的浏览器中。</p>                        <ul>                            <li class="mb-2"><strong>解析配置</strong> (仅在“转Markdown再翻译”工作流下显示):                                <ul class="mt-1">                                    <li><strong>解析引擎</strong>:                                        选择一个引擎将您的文件（如PDF）转换为适合翻译的Markdown格式。如果您的文件已经是Markdown格式，则无需选择。                                    </li>                                    <li><strong>Mineru Token</strong>: 如果您选择 <code>minerU</code> 引擎，需要在此处填入您的Token。                                    </li>                                </ul>                            </li>                            <li class="mb-2"><strong>DOCX/XLSX/SRT/EPUB翻译选项</strong> (在对应工作流下显示):                                <ul class="mt-1">                                    <li><strong>插入模式</strong>:                                        定义翻译结果如何放入文档或字幕。您可以选择直接“替换”原文，或是在原文之后“附加”，或是在原文之前“前置”。                                    </li>                                    <li><strong>分隔符</strong>: 当选择“附加”或“前置”模式时，此项用于在原文和译文之间插入分隔符。                                    </li>                                </ul>                            </li>                            <li class="mb-2"><strong>JSON路径配置</strong> (仅在“JSON翻译”工作流下显示):                                <ul class="mt-1">                                    <li><strong>需要翻译的JSON路径</strong>: 每行输入一个 <a                                            href="https://goessner.net/articles/JsonPath/" target="_blank">JSONPath</a>                                        表达式，指定需要翻译的字段。                                    </li>                                    <li>例如:<code>$..description</code>翻译所有键为description的值。<code>$.items[0].name</code>翻译第一个item的name值。                                    </li>                                </ul>                            </li>                            <li class="mb-2"><strong>翻译模型</strong>:                                <ul class="mt-1">                                    <li><strong>选择平台/API 地址/API Key/模型 ID</strong>:                                        配置您希望使用的AI翻译服务。                                    </li>                                    <li>模型ID参考平台文档，建议使用非推理模型或混合推理模型（关闭思考）。</li>                                </ul>                            </li>                            <li class="mb-2"><strong>翻译配置</strong>:                                <ul class="mt-1">                                    <li><strong>目标语言/自定义Prompt</strong>: 指定翻译的目标语言和附加指令。</li>                                    <li><strong>思考模式</strong>:设置混合推理模型是否进行思考，目前支持智谱的glm4.5系列、阿里云的qwen3系列、火山引擎的seed1.6系列，建议选择禁用思考。                                    </li>                                </ul>                            </li>                            <li class="mb-2"><strong>高级参数</strong>:                                <ul class="mt-1">                                    <li><strong>分块大小/并发数/Temperature</strong>: 发给ai的分块大小、并发请求数和温度，通常保持默认即可。                                    </li>                                </ul>                            </li>                        </ul>                    </li>                    <li>                        <strong><i class="bi bi-file-earmark-arrow-up-fill me-2"></i>上传文件</strong>                        <p class="mt-2">在右侧的任务列表中，点击或拖拽您的文档到文件上传区域。</p>                    </li>                    <li>                        <strong><i class="bi bi-play-circle-fill me-2"></i>开始翻译</strong>                        <p class="mt-2">文件选择成功后，点击任务卡片右下角的 <span                                class="badge bg-primary">开始翻译</span> 按钮。系统将开始处理任务，您可以在日志区域查看实时进度。                        </p>                    </li>                    <li>                        <strong><i class="bi bi-check-circle-fill me-2"></i>查看与下载</strong>                        <p class="mt-2">翻译完成后，任务卡片下方会出现操作按钮：</p>                        <ul>                            <li><span class="badge bg-success"><i class="bi bi-eye-fill me-1"></i>预览</span>:                                在右侧滑出的面板中进行原文和译文的对照预览（仅作参考）。                            </li>                            <li><span class="badge bg-secondary"><i class="bi bi-download me-1"></i>下载</span>:                                下载包括 PDF, DOCX, XLSX, HTML, Markdown 等多种格式的译文。                            </li>                        </ul>                    </li>                </ol>                <div class="alert alert-info mt-3" role="alert">                    <i class="bi bi-info-circle-fill me-2"></i><strong>提示</strong>: 所有配置都会自动保存在您的浏览器本地，方便下次使用。                </div>            </div>            <div class="modal-footer">                <button type="button" class="btn btn-primary" data-bs-dismiss="modal" data-i18n="tutorialUnderstandBtn">                    我明白了                </button>            </div>        </div>    </div></div><!-- Contributors Modal --><div class="modal fade" id="contributorsModal" tabindex="-1" aria-labelledby="contributorsModalLabel"     aria-hidden="true">    <div class="modal-dialog modal-dialog-centered">        <div class="modal-content">            <div class="modal-header">                <h5 class="modal-title" id="contributorsModalLabel"><i                        class="bi bi-heart-fill me-2 text-danger"></i><span                        data-i18n="contributorsModalTitle">感谢贡献</span>                </h5>                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>            </div>            <div class="modal-body">                <p data-i18n="contributorsPara1">DocuTranslate是一个开源项目！大家的需求与使用是项目进步的动力。</p>                <p data-i18n="contributorsPara2">感谢所有资助项目、提交代码与宝贵建议及给项目star的朋友们！</p>                <div class="alert alert-success mt-4" role="alert">                    <p data-i18n="contributorsWelcome">欢迎通过以下方式参与贡献：</p>                    <hr>                    <p class="mb-0">                        <a href="https://github.com/xunbu/docutranslate" target="_blank"                           class="btn btn-info btn-sm ms-2">                            <i class="bi bi-github me-1"></i><span data-i18n="contributorsGithub">github 主页</span>                        </a>                        <a href="https://github.com/xunbu/docutranslate/pulls" target="_blank"                           class="btn btn-success btn-sm ms-2">                            <i class="bi bi-git me-1"></i><span data-i18n="contributorsPR">提交 Pull Request</span>                        </a>                        <a href="https://github.com/xunbu/docutranslate/issues" target="_blank"                           class="btn btn-warning btn-sm ms-2">                            <i class="bi bi-bug-fill me-1"></i><span data-i18n="contributorsIssue">报告 Issue</span>                        </a>                    </p>                    <hr>                    <p data-i18n="contributorsQQ">或者通过QQ群联系作者：<span>1047781902</span></p>                </div>            </div>            <div class="modal-footer">                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal" data-i18n="closeBtn">关闭                </button>            </div>        </div>    </div></div><!-- Bootstrap JS --><script src="/static/bootstrap.bundle.min.js" crossorigin="anonymous"></script><!-- Split.js for resizable panes --><script src="/static/split.min.js"></script><script type="module">    // --- I18N Data ---    // Initialize with a minimal fallback for critical error messages.    // The full dataset will be loaded asynchronously in the init() function.    let i18nData = {        zh: {            init_i18n_failed_alert: '加载界面翻译资源失败，请检查网络连接或联系管理员。',            init_failed_alert: '初始化失败，无法连接到后端服务。请检查服务是否运行或刷新页面。'        },        en: {            init_i18n_failed_alert: 'Failed to load interface translations. Please check your network connection or contact an administrator.',            init_failed_alert: 'Initialization failed, could not connect to the backend service. Please ensure the service is running and refresh the page.'        }    };    let currentLang = 'zh'; // Global language state    // --- I18N Helper Functions ---    const getText = (key, fallback = '') => {        const translations = i18nData[currentLang] || i18nData.zh;        return translations[key] || fallback || key;    };    function setLanguage(lang) {        if (!i18nData[lang]) return;        currentLang = lang;        const translations = i18nData[lang];        document.documentElement.lang = lang === 'zh' ? 'zh-CN' : 'en';        // 1. Update all static elements with data-i18n attribute        document.querySelectorAll('[data-i18n]').forEach(el => {            const key = el.dataset.i18n;            if (translations[key] !== undefined) {                el.innerHTML = translations[key];            }        });        // 2. Update all placeholder attributes        document.querySelectorAll('[data-i18n-placeholder]').forEach(el => {            const key = el.dataset.i18nPlaceholder;            if (translations[key] !== undefined) {                el.placeholder = translations[key];            }        });        // 3. Update all title attributes (for tooltips and page title)        document.querySelectorAll('[data-i18n-title]').forEach(el => {            const key = el.dataset.i18nTitle;            if (translations[key] !== undefined) {                if (el.tagName === 'TITLE') {                    el.textContent = translations[key];                } else {                    el.title = translations[key];                    const tooltipInstance = bootstrap.Tooltip.getInstance(el);                    if (tooltipInstance) {                        tooltipInstance.setContent({'.tooltip-inner': translations[key]});                    }                }            }        });        // 4. Update dynamic UI parts that are built with JS        updateWorkflowUI();        updateConvertEnginUI(true);        // 5. Update language switcher active state        const langMenu = document.getElementById('languageMenu');        langMenu.querySelectorAll('a.active').forEach(a => a.classList.remove('active'));        const activeLink = langMenu.querySelector(`a[data-lang="${lang}"]`);        if (activeLink) activeLink.classList.add('active');        // 6. Save preference        saveToStorage('ui_language', lang);    }    function initI18n() {        const langMenu = document.getElementById('languageMenu');        langMenu.querySelectorAll('a[data-lang]').forEach(a => {            a.addEventListener('click', (e) => {                e.preventDefault();                setLanguage(a.dataset.lang);            });        });        const savedLang = getFromStorage('ui_language') || (navigator.language.toLowerCase().startsWith('en') ? 'en' : 'zh');        setLanguage(savedLang);    }    // --- End I18N ---    const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle="tooltip"]');    const tooltipList = [...tooltipTriggerList].map(tooltipTriggerEl => new bootstrap.Tooltip(tooltipTriggerEl));    // --- DOM Elements ---    const settingsForm = document.getElementById('translateForm');    // Workflow elements    const workflowTypeSelect = document.getElementById('workflowTypeSelect');    const autoWorkflowSwitch = document.getElementById('autoWorkflowSwitch');    const parsingSettingsContainer = document.getElementById('parsingSettingsContainer');    const parsingSettingsTitle = document.getElementById('parsingSettingsTitle');    const jsonSettingsContainer = document.getElementById('jsonSettingsContainer');    const jsonSettingsTitle = document.getElementById('jsonSettingsTitle');    const jsonPathsTextarea = document.getElementById('json_paths_textarea');    const xlsxSettingsContainer = document.getElementById('xlsxSettingsContainer');    const xlsxSettingsTitle = document.getElementById('xlsxSettingsTitle');    const xlsxInsertModeSelect = document.getElementById('xlsx_insert_mode');    const xlsxSeparatorGroup = document.getElementById('xlsxSeparatorGroup');    const xlsxSeparatorInput = document.getElementById('xlsx_separator');    const docxSettingsContainer = document.getElementById('docxSettingsContainer');    const docxSettingsTitle = document.getElementById('docxSettingsTitle');    const docxInsertModeSelect = document.getElementById('docx_insert_mode');    const docxSeparatorGroup = document.getElementById('docxSeparatorGroup');    const docxSeparatorInput = document.getElementById('docx_separator');    const srtSettingsContainer = document.getElementById('srtSettingsContainer');    const srtSettingsTitle = document.getElementById('srtSettingsTitle');    const srtInsertModeSelect = document.getElementById('srt_insert_mode');    const srtSeparatorGroup = document.getElementById('srtSeparatorGroup');    const srtSeparatorInput = document.getElementById('srt_separator');    const epubSettingsContainer = document.getElementById('epubSettingsContainer');    const epubSettingsTitle = document.getElementById('epubSettingsTitle');    const epubInsertModeSelect = document.getElementById('epub_insert_mode');    const epubSeparatorGroup = document.getElementById('epubSeparatorGroup');    const epubSeparatorInput = document.getElementById('epub_separator');    const aiSettingsTitle = document.getElementById('aiSettingsTitle');    const translationSettingsTitle = document.getElementById('translationSettingsTitle');    const advancedSettingsTitle = document.getElementById('advancedSettingsTitle');    // Parsing elements    const convertEnginSelect = document.getElementById('convert_engine');    const mineruTokenGroup = document.getElementById('mineruTokenGroup');    const mineruTokenInput = document.getElementById('mineru_token');    const formulaCheckbox = document.getElementById('formula_ocr');    const codeCheckbox = document.getElementById('code_ocr');    const codeOcrSwitch = document.getElementById('codeOcrSwitch');    // AI elements    const platformSelect = document.getElementById('platform_select');    const apiHref = document.getElementById('api_href');    const baseUrlGroup = document.getElementById('baseUrlGroup');    const baseUrlInput = document.getElementById('base_url');    const apikeyInput = document.getElementById('api_key');    const modelInput = document.getElementById('model_id');    // Translation elements    const toLangSelect = document.getElementById('to_lang');    const customLangGroup = document.getElementById('customLangGroup');    const customLangInput = document.getElementById('custom_to_lang');    const customPromptTranslateArea = document.getElementById("custom_prompt");    // Advanced elements    const chunkSizeSlider = document.getElementById('chunk-size-slider');    const chunkSizeDisplay = document.getElementById('chunk-size-display');    const chunkSizeReset = document.getElementById('chunk-size-reset');    const concurrentSlider = document.getElementById('concurrent-slider');    const concurrentDisplay = document.getElementById('concurrent-display');    const concurrentReset = document.getElementById("concurrent-reset");    const temperatureSlider = document.getElementById('temperature-slider');    const temperatureDisplay = document.getElementById('temperature-display');    const temperatureReset = document.getElementById("temperature-reset");    // General UI elements    const versionDisplay = document.getElementById("versionDisplay");    const addNewTaskBtn = document.getElementById('addNewTaskBtn');    const taskContainer = document.getElementById('task-container');    const noTaskPlaceholder = document.getElementById('no-task-placeholder');    const taskCardTemplate = document.getElementById('taskCardTemplate');    const downloadMenuTemplate = document.getElementById('downloadMenuTemplate');    const previewOffcanvasEl = document.getElementById('previewOffcanvas');    const previewOffcanvas = new bootstrap.Offcanvas(previewOffcanvasEl);    const previewOffcanvasLabel = document.getElementById('previewOffcanvasLabel');    const originalPreviewPane = document.getElementById('originalPreviewPane');    const translatedPreviewFrame = document.getElementById('translatedPreviewFrame');    const originalPreviewContainer = document.getElementById('originalPreviewContainer');    const translatedPreviewContainer = document.getElementById('translatedPreviewContainer');    const setBilingualViewBtn = document.getElementById('setBilingualViewBtn');    const setTranslatedOnlyViewBtn = document.getElementById('setTranslatedOnlyViewBtn');    const printFrameEl = document.getElementById('printFrame');    // --- Global State ---    let defaultParams = {};    const tasks = {}; // { cardId: { elements: {...}, state: {...}, intervals: {...} } }    let isAdminMode = false;    let previewSplitInstance = null;    const apiHrefMap = {        "https://openrouter.ai/api/v1": "https://openrouter.ai/settings/keys",        "https://api.openai.com/v1": "https://platform.openai.com/api-keys",        "https://api.deepseek.com/v1": "https://platform.deepseek.com/api_keys",        "https://open.bigmodel.cn/api/paas/v4": "https://open.bigmodel.cn/usercenter/apikeys",        "https://dashscope.aliyuncs.com/compatible-mode/v1": "https://bailian.console.aliyun.com/?tab=model#/api-key",        "https://ark.cn-beijing.volces.com/api/v3": "https://console.volcengine.com/ark/region:ark+cn-beijing/apiKey?apikey=%7B%7D",        "https://api.siliconflow.cn/v1": "https://cloud.siliconflow.cn/account/ak",        "https://www.dmxapi.cn/v1": "https://www.dmxapi.cn/token",        "https://generativelanguage.googleapis.com/v1beta/openai/": "https://aistudio.google.com/u/0/apikey"    };    const workflowExtensionMap = {        'txt': 'txt',        'xlsx': 'xlsx',        'docx': 'docx',        'json': 'json',        'srt': 'srt',        'epub': 'epub',    };    const defaultAutoWorkflow = 'markdown_based';    // --- Utility Functions ---    const generateCardId = () => `card_${Math.random().toString(36).substring(2, 10)}`;    const saveToStorage = (key, value) => {        try {            localStorage.setItem(key, value);        } catch (e) {            console.warn("Save to storage failed:", e);        }    };    const getFromStorage = (key, defaultValue = '') => {        try {            return localStorage.getItem(key) || defaultValue;        } catch (e) {            console.warn("Read from storage failed:", e);            return defaultValue;        }    };    function fileToBase64(file) {        return new Promise((resolve, reject) => {            const reader = new FileReader();            reader.readAsDataURL(file);            reader.onload = () => {                const base64String = reader.result.split(',')[1];                resolve(base64String);            };            reader.onerror = error => reject(error);        });    }    // --- UI Update Functions based on Workflow ---    function updateWorkflowUI() {        const selectedWorkflow = workflowTypeSelect.value;        const translations = i18nData[currentLang] || i18nData.zh;        // Hide all workflow-specific containers first        parsingSettingsContainer.style.display = 'none';        jsonSettingsContainer.style.display = 'none';        xlsxSettingsContainer.style.display = 'none';        docxSettingsContainer.style.display = 'none';        srtSettingsContainer.style.display = 'none';        epubSettingsContainer.style.display = 'none';        // Default numbering        let currentStep = 2;        const getStep = () => currentStep++;        // Update main workflow title (it's static)        document.querySelector('#headingZero button strong').innerHTML = `<i class="bi bi-diagram-3 me-2"></i>${translations.workflowTitle}`;        switch (selectedWorkflow) {            case 'markdown_based':                parsingSettingsContainer.style.display = 'block';                parsingSettingsTitle.innerHTML = `<i class="bi bi-file-earmark-binary me-2"></i>${getStep()}. ${translations.parsingSettingsTitleText}`;                break;            case 'txt':                // No specific panel, just re-number                break;            case 'json':                jsonSettingsContainer.style.display = 'block';                jsonSettingsTitle.innerHTML = `<i class="bi bi-signpost-split me-2"></i>${getStep()}. ${translations.jsonSettingsTitleText}`;                break;            case 'xlsx':                xlsxSettingsContainer.style.display = 'block';                xlsxSettingsTitle.innerHTML = `<i class="bi bi-file-earmark-spreadsheet me-2"></i>${getStep()}. ${translations.xlsxSettingsTitleText}`;                updateSeparatorVisibility(xlsxInsertModeSelect, xlsxSeparatorGroup);                break;            case 'docx':                docxSettingsContainer.style.display = 'block';                docxSettingsTitle.innerHTML = `<i class="bi bi-file-earmark-word me-2"></i>${getStep()}. ${translations.docxSettingsTitleText}`;                updateSeparatorVisibility(docxInsertModeSelect, docxSeparatorGroup);                break;            case 'srt':                srtSettingsContainer.style.display = 'block';                srtSettingsTitle.innerHTML = `<i class="bi bi-file-text me-2"></i>${getStep()}. ${translations.srtSettingsTitleText}`;                updateSeparatorVisibility(srtInsertModeSelect, srtSeparatorGroup);                break;            case 'epub':                epubSettingsContainer.style.display = 'block';                epubSettingsTitle.innerHTML = `<i class="bi bi-book me-2"></i>${getStep()}. ${translations.epubSettingsTitleText}`;                updateSeparatorVisibility(epubInsertModeSelect, epubSeparatorGroup);                break;        }        // Renumber common sections        aiSettingsTitle.innerHTML = `<i class="bi bi-robot me-2"></i>${getStep()}. ${translations.aiSettingsTitleText}`;        translationSettingsTitle.innerHTML = `<i class="bi bi-translate me-2"></i>${getStep()}. ${translations.translationSettingsTitleText}`;        advancedSettingsTitle.innerHTML = `<i class="bi bi-sliders me-2"></i>${getStep()}. ${translations.advancedSettingsTitleText}`;        saveToStorage('translator_last_workflow', selectedWorkflow);    }    function updateSeparatorVisibility(modeSelect, separatorGroup) {        const selectedMode = modeSelect.value;        if (selectedMode === 'append' || selectedMode === 'prepend') {            separatorGroup.style.display = 'block';        } else {            separatorGroup.style.display = 'none';        }    }    function updateCustomLangUI() {        const isCustom = toLangSelect.value === 'custom';        customLangGroup.style.display = isCustom ? 'block' : 'none';        customLangInput.required = isCustom;    }    // --- Other UI Update Functions ---    function updatePlatformUI() {        const selectedPlatformValue = platformSelect.value;        apikeyInput.value = getFromStorage(`translator_platform_${selectedPlatformValue}_apikey`);        modelInput.value = getFromStorage(`translator_platform_${selectedPlatformValue}_model_id`);        if (selectedPlatformValue === 'custom') {            baseUrlGroup.classList.remove('d-none');            baseUrlInput.required = true;            baseUrlInput.value = getFromStorage('translator_platform_custom_base_url');            apiHref.classList.add('d-none');        } else {            baseUrlGroup.classList.add('d-none');            baseUrlInput.required = false;            baseUrlInput.value = selectedPlatformValue;            if (apiHrefMap[baseUrlInput.value]) {                apiHref.href = apiHrefMap[baseUrlInput.value];                apiHref.classList.remove('d-none');            } else {                apiHref.classList.add('d-none');            }        }        saveToStorage('translator_last_platform', selectedPlatformValue);    }    function updateConvertEnginUI(isLanguageChange = false) {        if (!isLanguageChange) {            const selectedEngin = convertEnginSelect.value;            mineruTokenGroup.style.display = selectedEngin === 'mineru' ? 'block' : 'none';            mineruTokenInput.required = selectedEngin === 'mineru';            codeOcrSwitch.style.display = selectedEngin === 'docling' ? 'block' : 'none';            if (selectedEngin === 'mineru') {                mineruTokenInput.value = getFromStorage('translator_mineru_token');            }            saveToStorage('translator_convert_engin', selectedEngin);        } else {            // Repopulate options with translated text            const savedValue = convertEnginSelect.value;            const enginOptions = convertEnginSelect.querySelectorAll('option');            enginOptions.forEach(option => {                let textKey;                switch (option.value) {                    case 'identity':                        textKey = 'engineOptionIdentity';                        break;                    case 'mineru':                        textKey = 'engineOptionMineru';                        break;                    case 'docling':                        textKey = 'engineOptionDocling';                        break;                    default:                        textKey = option.value;                }                option.textContent = getText(textKey, option.value);            });            convertEnginSelect.value = savedValue;        }    }    function createSliderUpdater(slider, display, resetBtn, key, params) {        return () => {            const value = slider.value;            display.textContent = value;            resetBtn.style.visibility = value !== String(params[key]) ? 'visible' : 'hidden';            saveToStorage(key, value);        };    }    function setupSlider(slider, display, resetBtn, key, params) {        slider.value = getFromStorage(key, params[key]);        const updater = createSliderUpdater(slider, display, resetBtn, key, params);        slider.addEventListener('input', updater);        resetBtn.addEventListener('click', () => {            slider.value = params[key];            updater();        });        updater(); // Initial call    }    function updateTaskPlaceholderVisibility() {        noTaskPlaceholder.style.display = Object.keys(tasks).length === 0 ? 'block' : 'none';    }    function saveTaskIds() {        if (isAdminMode) return;        const submittedTaskIds = Object.values(tasks)            .map(task => task.state.backendTaskId)            .filter(id => id);        saveToStorage('active_task_ids', JSON.stringify(submittedTaskIds));    }    // --- Task Card Management ---    function createTaskCard(backendTaskId = null, restoreState = false) {        const cardId = backendTaskId || generateCardId();        if (tasks[cardId]) return; // Avoid duplicate cards        const cardFragment = taskCardTemplate.content.cloneNode(true);        const cardElement = cardFragment.querySelector('.task-card');        cardElement.dataset.cardId = cardId;        // Translate the new card immediately        const translations = i18nData[currentLang] || i18nData.zh;        cardElement.querySelectorAll('[data-i18n]').forEach(el => el.innerHTML = translations[el.dataset.i18n] || el.innerHTML);        cardElement.querySelectorAll('[data-i18n-placeholder]').forEach(el => el.placeholder = translations[el.dataset.i18nPlaceholder] || el.placeholder);        const elements = {            card: cardElement,            taskIdDisplay: cardElement.querySelector('.task-id-display'),            removeBtn: cardElement.querySelector('.remove-task-btn'),            fileInput: cardElement.querySelector('.file-input'),            fileDropArea: cardElement.querySelector('.file-drop-area'),            fileDropDefault: cardElement.querySelector('.file-drop-default'),            fileDropSelected: cardElement.querySelector('.file-drop-selected'),            fileNameDisplayWrapper: cardElement.querySelector('.file-name-display-wrapper'),            fileNameDisplay: cardElement.querySelector('.file-name-display'),            logArea: cardElement.querySelector('.log-area'),            statusMessage: cardElement.querySelector('.status-message'),            progress: cardElement.querySelector('.progress'),            downloadButtons: cardElement.querySelector('.download-buttons'),            downloadMenuContainer: cardElement.querySelector('.download-menu-container'),            previewBtn: cardElement.querySelector('.preview-html-btn'),            startBtn: cardElement.querySelector('.start-translate-btn'),        };        if (restoreState && backendTaskId) {            elements.taskIdDisplay.innerHTML = `<code>${backendTaskId}</code>`;        }        tasks[cardId] = {            elements,            state: {                backendTaskId: backendTaskId,                isTranslating: false,                file: null,                htmlUrl: null,                fileNameStem: null,                isSubmitted: restoreState,                downloads: {},                workflow: null            },            intervals: {                log: null,                status: null            }        };        addEventListenersToCard(cardId);        taskContainer.prepend(cardElement);        updateTaskPlaceholderVisibility();        if (restoreState && backendTaskId) {            pollStatus(backendTaskId, true);        }    }    async function releaseTask(backendTaskId) {        try {            await fetch(`/service/release/${backendTaskId}`, {method: 'POST'});            console.log(`[${backendTaskId}] Release request sent to backend.`);        } catch (error) {            console.error(`[${backendTaskId}] Failed to send release request:`, error);        }    }    async function removeTask(cardId) {        const task = tasks[cardId];        if (!task) return;        const backendTaskId = task.state.backendTaskId;        if (backendTaskId) {            stopPolling(backendTaskId);            await releaseTask(backendTaskId);        }        task.elements.card.remove();        delete tasks[cardId];        saveTaskIds();        updateTaskPlaceholderVisibility();    }    function addEventListenersToCard(cardId) {        const {elements} = tasks[cardId];        elements.card.addEventListener('click', () => {            const task = tasks[cardId];            if (task && task.state.workflow) {                workflowTypeSelect.value = task.state.workflow;                updateWorkflowUI();            }        });        elements.removeBtn.addEventListener('click', () => removeTask(cardId));        elements.fileDropArea.addEventListener('click', () => elements.fileInput.click());        elements.fileInput.addEventListener('change', () => handleFileSelect(cardId));        ['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {            elements.fileDropArea.addEventListener(eventName, e => {                e.preventDefault();                e.stopPropagation();            }, false);        });        ['dragenter', 'dragover'].forEach(eventName => {            elements.fileDropArea.addEventListener(eventName, () => elements.fileDropArea.classList.add('drag-over'), false);        });        ['dragleave', 'drop'].forEach(eventName => {            elements.fileDropArea.addEventListener(eventName, () => elements.fileDropArea.classList.remove('drag-over'), false);        });        elements.fileDropArea.addEventListener('drop', e => {            if (e.dataTransfer.files.length > 0) {                elements.fileInput.files = e.dataTransfer.files;                handleFileSelect(cardId);            }        }, false);        elements.startBtn.addEventListener('click', () => {            if (tasks[cardId].state.isTranslating) {                cancelTranslation(cardId);            } else {                startTranslation(cardId);            }        });    }    function handleFileSelect(cardId) {        const {elements, state} = tasks[cardId];        const file = elements.fileInput.files[0];        if (file) {            state.file = file;            elements.fileNameDisplay.textContent = file.name;            elements.fileNameDisplayWrapper.style.display = 'block';            elements.fileDropArea.classList.add('file-selected');            elements.fileDropDefault.style.display = 'none';            elements.fileDropSelected.style.display = 'block';            elements.fileDropArea.classList.remove('input-error');            elements.fileNameDisplay.classList.remove('input-error-text');            if (autoWorkflowSwitch.checked) {                const fileExtension = file.name.split('.').pop().toLowerCase();                const targetWorkflow = workflowExtensionMap[fileExtension] || defaultAutoWorkflow;                workflowTypeSelect.value = targetWorkflow;                updateWorkflowUI();            }        }    }    // --- Core Translation Logic ---    async function startTranslation(cardId) {        const {elements, state} = tasks[cardId];        // --- File and common settings validation ---        if (!state.file) {            elements.statusMessage.textContent = getText('status_selectFileFirst');            elements.statusMessage.className = 'status-message small text-danger';            elements.fileDropArea.classList.add('input-error');            return;        }        const requiredCommonInputs = [apikeyInput, modelInput];        if (platformSelect.value === 'custom') requiredCommonInputs.push(baseUrlInput);        let isValid = true;        requiredCommonInputs.forEach(input => {            input.classList.remove('is-invalid');            if (!input.value.trim()) {                input.classList.add('is-invalid');                isValid = false;            }        });        if (toLangSelect.value === 'custom') {            customLangInput.classList.remove('is-invalid');            if (!customLangInput.value.trim()) {                customLangInput.classList.add('is-invalid');                isValid = false;            }        }        // --- Workflow-specific validation and payload building ---        const workflowType = workflowTypeSelect.value;        state.workflow = workflowType;        let workflowPayload = {};        let targetLanguage = toLangSelect.value;        if (targetLanguage === 'custom') {            targetLanguage = customLangInput.value.trim();        }        const basePayload = {            base_url: baseUrlInput.value,            api_key: apikeyInput.value,            model_id: modelInput.value,            to_lang: targetLanguage,            thinking: document.querySelector('input[name="thinking"]:checked')?.value || 'disable',            chunk_size: parseInt(chunkSizeSlider.value, 10),            concurrent: parseInt(concurrentSlider.value, 10),            temperature: parseFloat(temperatureSlider.value),            custom_prompt: customPromptTranslateArea.value || null,        };        switch (workflowType) {            case 'markdown_based':                if (convertEnginSelect.value === 'mineru' && !mineruTokenInput.value.trim()) {                    mineruTokenInput.classList.add('is-invalid');                    isValid = false;                } else {                    mineruTokenInput.classList.remove('is-invalid');                }                workflowPayload = {                    ...basePayload,                    workflow_type: 'markdown_based',                    convert_engine: convertEnginSelect.value || null,                    mineru_token: mineruTokenInput.value || null,                    formula_ocr: formulaCheckbox.checked,                    code_ocr: codeCheckbox.checked,                };                break;            case 'txt':                workflowPayload = {                    ...basePayload,                    workflow_type: 'txt'                };                break;            case 'json':                const jsonPaths = jsonPathsTextarea.value.trim().split('\n').map(p => p.trim()).filter(p => p);                if (jsonPaths.length === 0) {                    jsonPathsTextarea.classList.add('is-invalid');                    isValid = false;                } else {                    jsonPathsTextarea.classList.remove('is-invalid');                }                workflowPayload = {                    ...basePayload,                    workflow_type: 'json',                    json_paths: jsonPaths,                };                break;            case 'xlsx':                workflowPayload = {                    ...basePayload,                    workflow_type: 'xlsx',                    insert_mode: xlsxInsertModeSelect.value,                    separator: xlsxSeparatorInput.value.replace(/\\n/g, '\n')                };                break;            case 'docx':                workflowPayload = {                    ...basePayload,                    workflow_type: 'docx',                    insert_mode: docxInsertModeSelect.value,                    separator: docxSeparatorInput.value.replace(/\\n/g, '\n')                };                break;            case 'srt':                workflowPayload = {                    ...basePayload,                    workflow_type: 'srt',                    insert_mode: srtInsertModeSelect.value,                    separator: srtSeparatorInput.value.replace(/\\n/g, '\n')                };                break;            case 'epub':                workflowPayload = {                    ...basePayload,                    workflow_type: 'epub',                    insert_mode: epubInsertModeSelect.value,                    separator: epubSeparatorInput.value.replace(/\\n/g, '\n')                };                break;            default:                elements.statusMessage.textContent = getText('status_invalidWorkflow');                elements.statusMessage.className = 'status-message small text-danger';                return;        }        if (!isValid) {            elements.statusMessage.textContent = getText('status_fillRequired');            elements.statusMessage.className = 'status-message small text-danger';            return;        }        // --- Release old task and start new one ---        const oldBackendTaskId = state.backendTaskId;        if (oldBackendTaskId) {            console.log(`[${oldBackendTaskId}] ${getText('status_releasingOldTask')}`);            await releaseTask(oldBackendTaskId);            state.backendTaskId = null;        }        state.isTranslating = true;        elements.startBtn.disabled = true;        elements.startBtn.innerHTML = `<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> <span data-i18n="btn_initializing">${getText('btn_initializing')}</span>`;        elements.logArea.innerHTML = '';        elements.statusMessage.textContent = getText('status_encodingAndSubmitting');        elements.statusMessage.className = 'status-message small text-muted';        elements.downloadButtons.style.display = 'none';        elements.progress.style.display = 'block';        try {            const fileContentBase64 = await fileToBase64(state.file);            const finalRequest = {                file_name: state.file.name,                file_content: fileContentBase64,                payload: workflowPayload            };            const response = await fetch('/service/translate', {                method: 'POST',                headers: {'Content-Type': 'application/json'},                body: JSON.stringify(finalRequest)            });            const result = await response.json();            if (response.ok && result.task_started) {                const backendTaskId = result.task_id;                state.backendTaskId = backendTaskId;                state.isSubmitted = true;                elements.taskIdDisplay.innerHTML = `<code>${backendTaskId}</code>`;                elements.taskIdDisplay.classList.remove('task-id-placeholder');                saveTaskIds();                elements.statusMessage.textContent = result.message || getText('status_requestOk');                elements.statusMessage.className = 'status-message small text-info';                elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i><span data-i18n="btn_cancelTranslation">${getText('btn_cancelTranslation')}</span>`;                elements.startBtn.classList.replace('btn-primary', 'btn-danger');                elements.startBtn.disabled = false;                startPolling(backendTaskId);            } else {                let errorMessage = result.detail || result.message || `${getText('status_requestFail')} (${response.status})`;                if (typeof errorMessage === 'object') {                    errorMessage = JSON.stringify(errorMessage);                }                throw new Error(errorMessage);            }        } catch (error) {            state.isSubmitted = false;            console.error('Request failed:', error);            elements.statusMessage.textContent = `${getText('status_initFail')}: ${error.message}`;            elements.statusMessage.className = 'status-message small text-danger';            elements.startBtn.innerHTML = `<i class="bi bi-play-fill me-1"></i><span data-i18n="taskCardStartBtn">${getText('taskCardStartBtn')}</span>`;            elements.startBtn.classList.replace('btn-danger', 'btn-primary');            elements.startBtn.disabled = false;            elements.progress.style.display = 'none';            state.isTranslating = false;        }    }    async function cancelTranslation(cardId) {        const task = tasks[cardId];        if (!task || !task.state.backendTaskId) return;        const {elements} = task;        const backendTaskId = task.state.backendTaskId;        elements.startBtn.disabled = true;        elements.startBtn.innerHTML = `<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> <span data-i18n="status_cancelling">${getText('status_cancelling')}</span>`;        try {            const response = await fetch(`/service/cancel/${backendTaskId}`, {method: 'POST'});            const result = await response.json();            if (response.ok && result.cancelled) {                elements.statusMessage.textContent = result.message || getText('status_cancelSent');                elements.statusMessage.className = 'status-message small text-warning';            } else {                throw new Error(result.message || getText('status_cancelFail'));            }        } catch (error) {            elements.statusMessage.textContent = `${getText('status_cancelFail')}: ${error.message}`;            elements.statusMessage.className = 'status-message small text-danger';            elements.startBtn.disabled = false;            elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i><span data-i18n="btn_cancelTranslation">${getText('btn_cancelTranslation')}</span>`;        }    }    // --- Polling ---    function startPolling(backendTaskId) {        stopPolling(backendTaskId);        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        card.intervals.log = setInterval(() => pollLogs(backendTaskId), 2000);        card.intervals.status = setInterval(() => pollStatus(backendTaskId), 1500);        pollLogs(backendTaskId);        pollStatus(backendTaskId);    }    function stopPolling(backendTaskId) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        const {intervals} = card;        if (intervals.log) clearInterval(intervals.log);        if (intervals.status) clearInterval(intervals.status);        intervals.log = null;        intervals.status = null;    }    async function pollLogs(backendTaskId) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) return;        const {elements} = card;        try {            const response = await fetch(`/service/logs/${backendTaskId}`);            if (!response.ok) return;            const data = await response.json();            if (data.logs && data.logs.length > 0) {                elements.logArea.innerHTML += data.logs.map(log => log.replace(/</g, "<").replace(/>/g, ">") + '<br>').join('');                elements.logArea.scrollTop = elements.logArea.scrollHeight;            }        } catch (error) {            console.warn(`[${backendTaskId}] Error polling logs:`, error);        }    }    async function pollStatus(backendTaskId, isRestore = false) {        const card = Object.values(tasks).find(t => t.state.backendTaskId === backendTaskId);        if (!card) {            if (isRestore) {                console.warn(`Restored task ${backendTaskId} not found in UI, removing from storage.`);                const savedTaskIds = JSON.parse(getFromStorage('active_task_ids', '[]'));                const newIds = savedTaskIds.filter(id => id !== backendTaskId);                saveToStorage('active_task_ids', JSON.stringify(newIds));            }            return;        }        const {elements, state} = card;        const cardId = elements.card.dataset.cardId;        try {            const response = await fetch(`/service/status/${backendTaskId}`);            if (!response.ok) {                if (response.status === 404 && isRestore) {                    console.warn(`Task ${backendTaskId} not found on server (404). Removing from UI.`);                    await removeTask(cardId);                }                return;            }            const status = await response.json();            if (status.original_filename && (!state.file || isRestore)) {                elements.fileNameDisplay.textContent = status.original_filename;                elements.fileNameDisplayWrapper.style.display = 'block';            }            elements.statusMessage.textContent = status.status_message || getText('status_gettingStatus');            elements.statusMessage.className = `status-message small ${status.error_flag ? 'text-danger' : 'text-info'}`;            if (!status.is_processing) {                pollLogs(backendTaskId); // Get final logs                stopPolling(backendTaskId);                state.isTranslating = false;                elements.startBtn.disabled = false;                elements.startBtn.innerHTML = `<i class="bi bi-arrow-clockwise me-1"></i><span data-i18n="btn_reTranslate">${getText('btn_reTranslate')}</span>`;                elements.startBtn.classList.replace('btn-danger', 'btn-primary');                elements.progress.style.display = 'none';                if (status.download_ready && !status.error_flag) {                    elements.statusMessage.className = 'status-message small text-success';                    updateDownloadButtons(cardId, status);                } else {                    elements.downloadButtons.style.display = 'none';                }            } else {                state.isTranslating = true;                elements.startBtn.innerHTML = `<i class="bi bi-stop-circle-fill me-1"></i><span data-i18n="btn_cancelTranslation">${getText('btn_cancelTranslation')}</span>`;                elements.startBtn.classList.replace('btn-primary', 'btn-danger');                elements.startBtn.disabled = false;                elements.progress.style.display = 'block';                elements.downloadButtons.style.display = 'none';                if (isRestore && !card.intervals.status) {                    startPolling(backendTaskId);                }            }        } catch (error) {            console.error(`[${backendTaskId}] Error polling status:`, error);            elements.statusMessage.textContent = getText('status_updateError');            elements.statusMessage.className = 'status-message small text-danger';        }    }    // --- Download and Preview ---    function populateDownloadMenu(menuElement, downloads, cardId) {        menuElement.innerHTML = ''; // Clear existing items        if (!downloadMenuTemplate) return false;        const content = downloadMenuTemplate.content.cloneNode(true);        // Translate the template before using        content.querySelectorAll('[data-i18n]').forEach(el => el.innerHTML = getText(el.dataset.i18n));        let anyLinkAdded = false;        const setupLink = (selector, key) => {            const li = content.querySelector(selector);            if (li && downloads[key]) {                li.querySelector('a').href = downloads[key];                menuElement.appendChild(li);                anyLinkAdded = true;            }        };        setupLink('.download-item-md', 'markdown');        setupLink('.download-item-md-zip', 'markdown_zip');        setupLink('.download-item-txt', 'txt');        setupLink('.download-item-json', 'json');        setupLink('.download-item-docx', 'docx');        setupLink('.download-item-xlsx', 'xlsx');        setupLink('.download-item-srt', 'srt');        setupLink('.download-item-epub', 'epub');        setupLink('.download-item-html', 'html');        // Special handler for PDF, which is generated on the fly        const pdfLi = content.querySelector('.download-item-pdf');        if (pdfLi && downloads.html) {            const pdfLink = pdfLi.querySelector('a');            pdfLink.href = '#';            pdfLink.onclick = (e) => {                e.preventDefault();                downloadPdf(cardId);            };            menuElement.appendChild(pdfLi);            anyLinkAdded = true;        }        return anyLinkAdded;    }    function updateDownloadButtons(cardId, status) {        const {elements, state} = tasks[cardId];        const {downloads} = status;        state.downloads = downloads; // Store for preview        const {previewBtn, downloadButtons, downloadMenuContainer} = elements;        // Reset visibility        previewBtn.style.display = 'none';        downloadButtons.style.display = 'none';        if (downloads.html) {            state.htmlUrl = downloads.html;            state.fileNameStem = status.original_filename_stem;            previewBtn.style.display = 'inline-block';            previewBtn.onclick = () => setupPreview(cardId);        }        const anyDownloadAvailable = populateDownloadMenu(downloadMenuContainer, downloads, cardId);        if (anyDownloadAvailable || downloads.html) {            downloadButtons.style.display = 'flex';        }    }    function setupPreview(cardId) {        const {state} = tasks[cardId];        if (!state.htmlUrl) return;        const existingOriginalContent = originalPreviewPane.querySelector('iframe, pre, p');        if (existingOriginalContent) existingOriginalContent.remove();        translatedPreviewFrame.src = 'about:blank';        translatedPreviewFrame.srcdoc = getText('preview_loading');        setPreviewDisplayMode('bilingual');        previewOffcanvas.show();        const menu = document.getElementById('previewDownloadMenu');        populateDownloadMenu(menu, state.downloads, cardId);        if (state.file) {            const fileType = state.file.type;            const fileExtension = state.file.name.split('.').pop().toLowerCase();            const textLikeExtensions = ['md', 'json', 'xml', 'log', 'py', 'js', 'css', 'java', 'c', 'cpp', 'h', 'hpp', 'cs', 'rb', 'php', 'swift', 'kt', 'go', 'rs', 'ts', 'txt', 'srt'];            if (fileType.startsWith('text/') || textLikeExtensions.includes(fileExtension)) {                const pre = document.createElement('pre');                state.file.text()                    .then(text => pre.textContent = text)                    .catch(() => pre.textContent = getText('preview_cantReadOriginal'));                originalPreviewPane.appendChild(pre);            } else if (['application/pdf', 'text/html'].includes(fileType) || ['html', 'htm'].includes(fileExtension)) {                const iframe = document.createElement('iframe');                iframe.src = URL.createObjectURL(state.file);                originalPreviewPane.appendChild(iframe);            } else {                const p = document.createElement('p');                p.className = 'p-3 text-muted';                p.textContent = `${getText('preview_cantPreviewType')} (${fileType || 'unknown: ' + fileExtension}).`;                originalPreviewPane.appendChild(p);            }        } else {            const p = document.createElement('p');            p.className = 'p-3 text-muted';            p.textContent = getText('preview_noOriginalCache');            originalPreviewPane.appendChild(p);        }        fetch(state.htmlUrl)            .then(resp => resp.ok ? resp.text() : Promise.reject(`HTTP error ${resp.status}`))            .then(html => {                translatedPreviewFrame.srcdoc = html;            })            .catch(err => {                console.error('Preview fetch failed:', err);                translatedPreviewFrame.srcdoc = `${getText('preview_loadFailed')}<p>${err.message}</p>`;            });    }    function downloadPdf(cardId) {        const {elements, state} = tasks[cardId];        if (!state.htmlUrl) return;        const toast = new bootstrap.Toast(document.createElement('div'), {            autohide: true,            delay: 3000        });        toast._element.classList.add('toast', 'position-fixed', 'top-0', 'end-0', 'p-3', 'bg-info', 'text-white');        toast._element.innerHTML = `<div class="toast-body">${getText('pdf_preparing')}</div>`;        document.body.appendChild(toast._element);        toast.show();        fetch(state.htmlUrl)            .then(resp => resp.ok ? resp.text() : Promise.reject(`HTTP error ${resp.status}`))            .then(html => {                printFrameEl.onload = () => {                    setTimeout(() => {                        try {                            printFrameEl.contentWindow.focus();                            printFrameEl.contentWindow.print();                        } catch (err) {                            alert(getText('pdf_print_failed'));                        } finally {                            printFrameEl.onload = null;                            printFrameEl.srcdoc = ''; // Clear content                        }                    }, 500);                };                printFrameEl.srcdoc = html;            })            .catch(err => {                alert(getText('pdf_fetch_failed'));            });    }    function setPreviewDisplayMode(mode) {        if (previewSplitInstance) {            previewSplitInstance.destroy();            previewSplitInstance = null;        }        const isMobileView = window.innerWidth < 992;        const splitContainer = document.querySelector('.preview-split-container');        originalPreviewContainer.style.display = 'flex';        translatedPreviewContainer.style.display = 'flex';        [originalPreviewContainer, translatedPreviewContainer].forEach(el => {            el.style.width = '';            el.style.height = '';        });        splitContainer.style.flexDirection = isMobileView ? 'column' : 'row';        if (mode === 'bilingual') {            previewOffcanvasLabel.textContent = getText('preview_bilingual');            if (isMobileView) {                previewSplitInstance = Split(['#originalPreviewContainer', '#translatedPreviewContainer'], {                    direction: 'vertical', sizes: [50, 50], minSize: 150, gutterSize: 10, cursor: 'row-resize',                });            } else {                previewSplitInstance = Split(['#originalPreviewContainer', '#translatedPreviewContainer'], {                    direction: 'horizontal', sizes: [50, 50], minSize: 200, gutterSize: 10, cursor: 'col-resize',                });            }            setBilingualViewBtn.classList.add('btn-primary');            setBilingualViewBtn.classList.remove('btn-outline-primary');            setTranslatedOnlyViewBtn.classList.remove('btn-primary');            setTranslatedOnlyViewBtn.classList.add('btn-outline-primary');        } else { // mode === 'translatedOnly'            previewOffcanvasLabel.textContent = getText('preview_translatedOnly');            originalPreviewContainer.style.display = 'none';            if (isMobileView) {                translatedPreviewContainer.style.height = '100%';            } else {                translatedPreviewContainer.style.width = '100%';            }            setTranslatedOnlyViewBtn.classList.add('btn-primary');            setTranslatedOnlyViewBtn.classList.remove('btn-outline-primary');            setBilingualViewBtn.classList.remove('btn-primary');            setBilingualViewBtn.classList.add('btn-outline-primary');        }    }    // --- Password Toggle Functionality ---    function setupPasswordToggle(button) {        const targetId = button.dataset.target;        const passwordInput = document.getElementById(targetId);        const icon = button.querySelector('i');        button.addEventListener('click', () => {            if (passwordInput.type === 'password') {                passwordInput.type = 'text';                icon.classList.remove('bi-eye-slash');                icon.classList.add('bi-eye');            } else {                passwordInput.type = 'password';                icon.classList.remove('bi-eye');                icon.classList.add('bi-eye-slash');            }        });    }    // --- Initialization ---    async function init() {        // Step 1: Fetch i18n data. This is critical for all UI text, including error messages.        try {            const response = await fetch("/static/i18nData.json");            if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`);            i18nData = await response.json(); // Overwrite the initial fallback object        } catch (error) {            console.error("Fatal: Failed to load i18n data. Application cannot start.", error);            const lang = getFromStorage('ui_language') || (navigator.language.toLowerCase().startsWith('en') ? 'en' : 'zh');            currentLang = lang;            alert(getText('init_i18n_failed_alert'));            return; // Stop execution        }        // Step 2: Fetch other backend data        isAdminMode = window.location.pathname.includes('/admin');        try {            const [metaRes, enginRes, paramsRes] = await Promise.all([                fetch("/service/meta"), fetch('/service/engin-list'), fetch("/service/default-params")            ]);            if (!metaRes.ok || !enginRes.ok || !paramsRes.ok) {                throw new Error("Failed to fetch initial data from server.");            }            const meta = await metaRes.json();            versionDisplay.textContent = `v${meta.version}`;            const enginList = await enginRes.json();            // Populate convert engin select            convertEnginSelect.innerHTML = ''; // Clear            const defaultOption = document.createElement('option');            defaultOption.value = 'identity';            convertEnginSelect.appendChild(defaultOption);            enginList.forEach(engin => {                const option = document.createElement('option');                option.value = engin;                convertEnginSelect.appendChild(option);            });            defaultParams = await paramsRes.json();        } catch (error) {            console.error("Initialization failed:", error);            alert(getText('init_failed_alert'));            return;        }        // Step 3: Initialize i18n system (now that all data is loaded and dynamic elements are populated)        initI18n();        // Step 4: Restore user settings and update UI based on them        workflowTypeSelect.value = getFromStorage('translator_last_workflow', 'markdown_based');        autoWorkflowSwitch.checked = getFromStorage('translator_auto_workflow_enabled', 'true') === 'true';        xlsxInsertModeSelect.value = getFromStorage('translator_xlsx_insert_mode', 'replace');        xlsxSeparatorInput.value = getFromStorage('translator_xlsx_separator', '\\n');        docxInsertModeSelect.value = getFromStorage('translator_docx_insert_mode', 'replace');        docxSeparatorInput.value = getFromStorage('translator_docx_separator', '\\n');        srtInsertModeSelect.value = getFromStorage('translator_srt_insert_mode', 'replace');        srtSeparatorInput.value = getFromStorage('translator_srt_separator', '\\n');        epubInsertModeSelect.value = getFromStorage('translator_epub_insert_mode', 'replace');        epubSeparatorInput.value = getFromStorage('translator_epub_separator', '\\n');        jsonPathsTextarea.value = getFromStorage('translator_json_paths');        platformSelect.value = getFromStorage('translator_last_platform', 'https://api.openai.com/v1');        convertEnginSelect.value = getFromStorage('translator_convert_engin', 'mineru');        toLangSelect.value = getFromStorage('translator_to_lang', '中文');        customLangInput.value = getFromStorage('translator_custom_to_lang', '');        formulaCheckbox.checked = getFromStorage('translator_formula_ocr', 'true') === 'true';        codeCheckbox.checked = getFromStorage('translator_code_ocr', 'true') === 'true';        customPromptTranslateArea.value = getFromStorage("custom_prompt");        // Set thinking mode from storage or default        const savedThinkingMode = getFromStorage('translator_thinking_mode', 'default');        const thinkingRadioToSelect = document.querySelector(`#thinkingModeBtnGroup input[value="${savedThinkingMode}"]`);        if (thinkingRadioToSelect) thinkingRadioToSelect.checked = true;        // Initial UI updates based on restored settings        updateWorkflowUI();        updatePlatformUI();        updateConvertEnginUI();        updateCustomLangUI();        // Setup sliders        setupSlider(chunkSizeSlider, chunkSizeDisplay, chunkSizeReset, 'chunk_size', defaultParams);        setupSlider(concurrentSlider, concurrentDisplay, concurrentReset, 'concurrent', defaultParams);        setupSlider(temperatureSlider, temperatureDisplay, temperatureReset, 'temperature', defaultParams);        // Setup other UI elements        document.querySelectorAll('.toggle-password').forEach(button => setupPasswordToggle(button));        // Restore tasks        if (isAdminMode) {            document.title = "DocuTranslate - Admin Panel";            try {                const response = await fetch('/service/task-list');                if (!response.ok) throw new Error(`Failed to fetch task list: ${response.statusText}`);                const allTaskIds = await response.json();                if (allTaskIds && Array.isArray(allTaskIds) && allTaskIds.length > 0) {                    allTaskIds.reverse().forEach(taskId => createTaskCard(taskId, true));                }            } catch (error) {                console.error("Admin mode: Failed to load task list from server.", error);                alert(getText('admin_tasklist_failed'));            }            updateTaskPlaceholderVisibility();        } else {            const savedTaskIds = JSON.parse(getFromStorage('active_task_ids', '[]'));            if (savedTaskIds.length > 0) {                savedTaskIds.forEach(taskId => createTaskCard(taskId, true));            } else {                createTaskCard();            }        }        // Add event listeners for saving settings        workflowTypeSelect.addEventListener('change', updateWorkflowUI);        autoWorkflowSwitch.addEventListener('change', e => saveToStorage('translator_auto_workflow_enabled', e.target.checked));        xlsxInsertModeSelect.addEventListener('change', e => {            updateSeparatorVisibility(xlsxInsertModeSelect, xlsxSeparatorGroup);            saveToStorage('translator_xlsx_insert_mode', e.target.value);        });        xlsxSeparatorInput.addEventListener('input', e => saveToStorage('translator_xlsx_separator', e.target.value));        docxInsertModeSelect.addEventListener('change', e => {            updateSeparatorVisibility(docxInsertModeSelect, docxSeparatorGroup);            saveToStorage('translator_docx_insert_mode', e.target.value);        });        docxSeparatorInput.addEventListener('input', e => saveToStorage('translator_docx_separator', e.target.value));        srtInsertModeSelect.addEventListener('change', e => {            updateSeparatorVisibility(srtInsertModeSelect, srtSeparatorGroup);            saveToStorage('translator_srt_insert_mode', e.target.value);        });        srtSeparatorInput.addEventListener('input', e => saveToStorage('translator_srt_separator', e.target.value));        epubInsertModeSelect.addEventListener('change', e => {            updateSeparatorVisibility(epubInsertModeSelect, epubSeparatorGroup);            saveToStorage('translator_epub_insert_mode', e.target.value);        });        epubSeparatorInput.addEventListener('input', e => saveToStorage('translator_epub_separator', e.target.value));        jsonPathsTextarea.addEventListener('input', e => saveToStorage('translator_json_paths', e.target.value));        platformSelect.addEventListener('change', updatePlatformUI);        apikeyInput.addEventListener('input', e => saveToStorage(`translator_platform_${platformSelect.value}_apikey`, e.target.value));        modelInput.addEventListener('input', e => saveToStorage(`translator_platform_${platformSelect.value}_model_id`, e.target.value));        baseUrlInput.addEventListener('input', e => {            if (platformSelect.value === 'custom') saveToStorage('translator_platform_custom_base_url', e.target.value);        });        convertEnginSelect.addEventListener('change', () => updateConvertEnginUI(false));        mineruTokenInput.addEventListener('input', e => saveToStorage('translator_mineru_token', e.target.value));        toLangSelect.addEventListener('change', e => {            saveToStorage('translator_to_lang', e.target.value);            updateCustomLangUI();        });        customLangInput.addEventListener('input', e => saveToStorage('translator_custom_to_lang', e.target.value));        document.querySelectorAll('#thinkingModeBtnGroup input[name="thinking"]').forEach(radio => {            radio.addEventListener('change', (e) => {                saveToStorage('translator_thinking_mode', e.target.value);            });        });        formulaCheckbox.addEventListener('change', e => saveToStorage('translator_formula_ocr', e.target.checked));        codeCheckbox.addEventListener('change', e => saveToStorage('translator_code_ocr', e.target.checked));        customPromptTranslateArea.addEventListener('input', () => saveToStorage("custom_prompt", customPromptTranslateArea.value));        // Add task button listener        addNewTaskBtn.addEventListener('click', () => createTaskCard());        // Add preview listeners        setBilingualViewBtn.addEventListener('click', () => setPreviewDisplayMode('bilingual'));        setTranslatedOnlyViewBtn.addEventListener('click', () => setPreviewDisplayMode('translatedOnly'));        window.addEventListener('resize', () => {            // Re-initialize split view on resize if canvas is open            if (previewOffcanvasEl.classList.contains('show')) {                setPreviewDisplayMode(originalPreviewContainer.style.display !== 'none' ? 'bilingual' : 'translatedOnly');            }        });    }    // --- Theme switcher logic ---    const getPreferredTheme = () => {        const storedTheme = localStorage.getItem('theme');        if (storedTheme) {            return storedTheme;        }        return 'auto';    };    const setTheme = theme => {        if (theme === 'auto') {            document.documentElement.setAttribute('data-bs-theme', window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');        } else {            document.documentElement.setAttribute('data-bs-theme', theme);        }    };    const showActiveTheme = (theme) => {        document.querySelectorAll('[data-bs-theme-value]').forEach(element => {            element.classList.remove('active');        });        const activeButton = document.querySelector(`[data-bs-theme-value="${theme}"]`);        if (activeButton) {            activeButton.classList.add('active');        }    };    const preferredTheme = getPreferredTheme();    setTheme(preferredTheme);    showActiveTheme(preferredTheme);    window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {        const storedTheme = localStorage.getItem('theme');        if (storedTheme === 'auto' || !storedTheme) {            setTheme('auto');        }    });    document.querySelectorAll('[data-bs-theme-value]').forEach(toggle => {        toggle.addEventListener('click', () => {            const theme = toggle.getAttribute('data-bs-theme-value');            localStorage.setItem('theme', theme);            setTheme(theme);            showActiveTheme(theme);        });    });    // --- Start the application ---    document.addEventListener('DOMContentLoaded', init);</script></body></html>
\ No newline at end of file
