/* ============================================================
   mdput 在线 Markdown 编辑器 — 样式
   复用站点品牌色，自包含（不依赖站点其它 CSS）。
   ============================================================ */
:root{
  --brand:#0050C8;
  --brand-dark:#003d99;
  --brand-light:#3b7ddd;
  --brand-50:#e8f1fc;
  --ink:#0d1b2a;
  --ink-2:#1b2a3d;
  --ink-3:#465765;
  --ink-4:#7a8a99;
  --surface:#ffffff;
  --surface-2:#f7f9fc;
  --surface-3:#eef2f7;
  --border:#e1e8ef;
  --border-2:#d0dae5;
  --green:#1a8a3a;
  --orange:#e8833a;
  --radius:12px;
  --font:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  --mono:'JetBrains Mono','Cascadia Code','Fira Code',Consolas,monospace;
}
html[data-theme="dark"]{
  --brand:#4d8df6;
  --brand-dark:#6ea2f8;
  --brand-50:#16263d;
  --ink:#e6edf5;
  --ink-2:#c4d0de;
  --ink-3:#9fb0c2;
  --ink-4:#6f8298;
  --surface:#0f1620;
  --surface-2:#141d29;
  --surface-3:#1b2735;
  --border:#26313f;
  --border-2:#324155;
  --green:#4ad06a;
  --orange:#f0a05a;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}

/* ===================== 顶栏 ===================== */
.topbar{
  display:flex;align-items:center;gap:16px;
  height:56px;flex-shrink:0;
  padding:0 18px;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  z-index:20;
}
.topbar .brand{
  display:flex;align-items:center;gap:8px;
  font-weight:800;font-size:16px;color:var(--ink);text-decoration:none;white-space:nowrap;
}
.topbar .brand .dot{width:22px;height:22px;border-radius:6px;background:var(--brand);display:inline-block}
.topbar .brand .brand-logo{width:26px;height:26px;border-radius:6px;display:block;flex-shrink:0;background:var(--surface-2)}
.topbar .brand .accent{color:var(--brand)}
.topbar .doc-name{
  font-size:13px;color:var(--ink-3);
  border:1px solid var(--border);border-radius:8px;
  padding:5px 10px;min-width:120px;max-width:280px;
  background:var(--surface-2);
}
.topbar .doc-name:focus{outline:none;border-color:var(--brand)}
.topbar .spacer{flex:1}
.tbtn{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 12px;border-radius:8px;
  font-size:13px;font-weight:600;cursor:pointer;
  border:1px solid var(--border-2);background:var(--surface);color:var(--ink-2);
  transition:all .18s;white-space:nowrap;font-family:var(--font);
}
.tbtn:hover{border-color:var(--brand);color:var(--brand)}
.tbtn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.tbtn.primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.tbtn.active{background:var(--brand-50);border-color:var(--brand);color:var(--brand)}
.tbtn svg{width:16px;height:16px}

/* ===================== 导出下拉 ===================== */
.dropdown{position:relative}
.caret{width:0;height:0;margin-left:2px;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;display:inline-block}
.dropdown-menu{
  position:absolute;top:42px;right:0;min-width:200px;z-index:200;
  background:var(--surface);border:1px solid var(--border-2);border-radius:10px;
  box-shadow:0 12px 32px rgba(13,27,42,.16);padding:6px;
  display:none;flex-direction:column;gap:2px;
}
.dropdown.open .dropdown-menu{display:flex}
.dropdown-menu button{
  display:flex;align-items:center;gap:10px;width:100%;text-align:left;
  padding:9px 12px;border:none;background:none;cursor:pointer;border-radius:7px;
  font-family:var(--font);font-size:13px;font-weight:600;color:var(--ink-2);
}
.dropdown-menu button:hover{background:var(--surface-2);color:var(--brand)}
.dropdown-menu .mi{
  flex-shrink:0;width:34px;height:22px;border-radius:5px;display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:10px;font-weight:800;color:#fff;background:var(--brand);letter-spacing:.3px;
}

/* ===================== 插入工具栏 ===================== */
.edit-toolbar{
  position:relative;display:flex;align-items:center;gap:6px;
  height:44px;flex-shrink:0;padding:0 12px;
  background:var(--surface-2);border-bottom:1px solid var(--border);z-index:15;
}
.tb-scroll{display:flex;align-items:center;gap:4px;overflow-x:auto;flex:1;scrollbar-width:thin}
.tb-scroll::-webkit-scrollbar{height:6px}
.tb-scroll::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:4px}
.tb-cat{
  flex-shrink:0;height:30px;padding:0 12px;border-radius:8px;cursor:pointer;
  font-family:var(--font);font-size:13px;font-weight:600;white-space:nowrap;
  border:1px solid var(--border-2);background:var(--surface);color:var(--ink-2);transition:all .15s;
}
.tb-cat:hover{border-color:var(--brand);color:var(--brand)}
.tb-cat.active{background:var(--brand);border-color:var(--brand);color:#fff}
.tb-collapse{
  flex-shrink:0;width:30px;height:30px;border-radius:8px;cursor:pointer;
  border:1px solid var(--border-2);background:var(--surface);color:var(--ink-3);font-size:16px;line-height:1;
}
.tb-collapse:hover{color:var(--brand);border-color:var(--brand)}
.edit-toolbar.collapsed{display:none}

.tb-panel{
  position:absolute;left:12px;right:12px;top:46px;z-index:30;
  background:var(--surface);border:1px solid var(--border-2);border-radius:12px;
  box-shadow:0 16px 40px rgba(13,27,42,.18);padding:12px;
  max-height:52vh;overflow:auto;display:none;
  grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:6px;align-content:start;
}
.tb-panel.open{display:grid}
.tb-panel .tb-group-title{
  grid-column:1/-1;font-size:11px;font-weight:700;color:var(--ink-4);
  text-transform:uppercase;letter-spacing:.5px;margin:6px 2px 2px;
}
.tb-item{
  display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;cursor:pointer;
  font-family:var(--font);font-size:13px;color:var(--ink-2);background:var(--surface-2);
  border:1px solid transparent;text-align:left;transition:all .12s;
}
.tb-item:hover{background:var(--brand-50);border-color:var(--brand);color:var(--brand)}
.tb-item .tb-ico{font-family:var(--mono);font-weight:700;color:var(--brand);flex-shrink:0}

/* ===================== 主体双栏 ===================== */
.workspace{flex:1;display:flex;min-height:0}
.pane{display:flex;flex-direction:column;min-width:0;min-height:0;flex:1}
.pane-head{
  height:34px;flex-shrink:0;display:flex;align-items:center;gap:8px;
  padding:0 14px;font-size:12px;font-weight:600;color:var(--ink-4);
  background:var(--surface-2);border-bottom:1px solid var(--border);
  text-transform:uppercase;letter-spacing:.5px;
}
.pane + .pane{border-left:1px solid var(--border)}
.CodeMirror{
  font-family:var(--mono);font-size:14px;line-height:1.7;
  background:var(--surface);color:var(--ink);
}
.CodeMirror-gutters{background:var(--surface-2);border-right:1px solid var(--border)}
.CodeMirror-linenumber{color:var(--ink-4)}
.editor-host{flex:1;min-height:0;position:relative;overflow:hidden}
#mdInput{position:absolute;inset:0;width:100%;height:100%}
.CodeMirror{height:100%}

/* 预览区 */
.preview-wrap{flex:1;min-height:0;overflow:auto;background:var(--surface)}
.preview{
  max-width:860px;margin:0 auto;padding:32px 40px 80px;
}

/* ===================== 分隔条 ===================== */
.splitter{
  width:6px;flex-shrink:0;cursor:col-resize;background:transparent;
  position:relative;z-index:10;
}
.splitter:hover{background:var(--brand-50)}
.splitter::after{content:'';position:absolute;left:2px;top:50%;transform:translateY(-50%);width:2px;height:36px;background:var(--border-2);border-radius:2px}

/* ===================== 状态条 ===================== */
.statusbar{
  height:28px;flex-shrink:0;display:flex;align-items:center;gap:16px;
  padding:0 16px;font-size:12px;color:var(--ink-4);
  background:var(--surface-2);border-top:1px solid var(--border);
}
.statusbar .sb-item{display:flex;align-items:center;gap:5px}
.statusbar .spacer{flex:1}
.statusbar .sb-icp{flex:1;min-width:0;justify-content:center;text-align:center;color:var(--ink-4);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.statusbar .sb-contact a{color:var(--ink-4);text-decoration:none}
.statusbar .sb-contact a:hover{color:var(--brand);text-decoration:underline}
.statusbar .sb-ad{
  display:flex;align-items:center;gap:5px;cursor:pointer;
  padding:3px 12px;border-radius:14px;font-size:12px;white-space:nowrap;
  color:var(--brand);background:transparent;
  border:1px solid color-mix(in srgb,var(--brand) 38%,transparent);
  transition:all .2s;
}
/* 默认态：简短提示常驻（灰字，无红点），始终可点开广告 */
.statusbar .sb-ad .ad-brief{color:var(--ink-4);display:inline}
.statusbar .sb-ad .ad-full{display:none}
.statusbar .sb-ad .ad-dot{display:none}
/* 红点提醒态（show-full）：完整文案 + 红点，覆盖简短提示 */
.statusbar .sb-ad.show-full .ad-dot{display:inline-block}
.statusbar .sb-ad.show-full .ad-full{display:inline}
.statusbar .sb-ad.show-full .ad-brief{display:none}
.statusbar .sb-ad:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.statusbar .sb-ad:hover .ad-brief{color:#fff}
.statusbar .sb-ad .ad-dot{width:8px;height:8px;border-radius:50%;background:#e4393c;flex-shrink:0;display:none;animation:adDotPulse 1.6s infinite}
.statusbar .sb-ad.show-full .ad-dot{display:inline-block}
@keyframes adDotPulse{0%{box-shadow:0 0 0 0 rgba(228,57,60,.55)}70%{box-shadow:0 0 0 6px rgba(228,57,60,0)}100%{box-shadow:0 0 0 0 rgba(228,57,60,0)}}

/* ===================== 优量汇广告弹窗 ===================== */
.ad-modal-overlay{
  position:fixed;inset:0;z-index:940;background:rgba(8,15,25,.72);
  display:flex;align-items:center;justify-content:center;padding:24px;
}
.ad-modal-overlay[hidden]{display:none}
.ad-modal-card{
  width:min(720px,94vw);max-height:88vh;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border-2);border-radius:14px;
  overflow:hidden;box-shadow:0 24px 64px rgba(13,27,42,.28);
}
.ad-modal-bar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;border-bottom:1px solid var(--border);
}
.ad-modal-title{font-size:14px;font-weight:700;color:var(--ink-1)}
.ad-modal-close{
  width:28px;height:28px;border-radius:8px;border:1px solid var(--border-2);
  background:var(--surface-2);color:var(--ink-2);cursor:pointer;font-size:16px;line-height:1;
}
.ad-modal-close:hover{color:var(--ink-1);background:var(--surface-3)}
.ad-modal-body{
  flex:1;min-height:360px;display:flex;align-items:center;justify-content:center;
  padding:16px;color:var(--ink-3);font-size:13px;overflow:auto;
}

/* ===================== 原生广告（优量汇 loadNativeAdData 渲染） ===================== */
.ad-native{
  position:relative;width:100%;max-width:560px;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;
}
.ad-native .ad-media{width:100%;aspect-ratio:16/9;background:#000;display:flex;align-items:center;justify-content:center}
.ad-native .ad-media img.ad-img,.ad-native .ad-media video{width:100%;height:100%;object-fit:cover;display:block}
.ad-native .ad-info{padding:12px 14px;display:flex;flex-direction:column;gap:6px}
.ad-native .ad-title{font-size:15px;font-weight:600;color:var(--ink);line-height:1.4;cursor:pointer}
.ad-native .ad-desc{font-size:13px;color:var(--ink-3);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ad-native .ad-cta{align-self:flex-start;margin-top:2px;padding:6px 16px;border:none;border-radius:18px;
  background:var(--brand);color:#fff;font-size:13px;cursor:pointer}
.ad-native .ad-cta:hover{filter:brightness(.95)}
.ad-native .ad-tag{position:absolute;top:8px;right:8px;background:rgba(0,0,0,.45);color:#fff;
  font-size:11px;padding:2px 6px;border-radius:4px;letter-spacing:1px}

/* ===================== Toast ===================== */
.toast{
  position:fixed;left:50%;bottom:48px;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:10px;
  font-size:13px;opacity:0;pointer-events:none;transition:all .25s;z-index:1000;
  box-shadow:0 8px 30px rgba(0,0,0,.25);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.error{background:#c0392b}
.toast.success{background:var(--green)}

/* ===================== Markdown 渲染样式 ===================== */
.markdown-body{font-size:15.5px;line-height:1.8;color:var(--ink);word-wrap:break-word}
.markdown-body > *:first-child{margin-top:0}
.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{
  margin:1.4em 0 .6em;font-weight:700;line-height:1.3;color:var(--ink);
}
.markdown-body h1{font-size:1.9em;border-bottom:1px solid var(--border);padding-bottom:.3em}
.markdown-body h2{font-size:1.55em;border-bottom:1px solid var(--border);padding-bottom:.25em}
.markdown-body h3{font-size:1.3em}
.markdown-body h4{font-size:1.1em}
.markdown-body p{margin:.8em 0}
.markdown-body a{color:var(--brand);text-decoration:none}
.markdown-body a:hover{text-decoration:underline}
.markdown-body strong{font-weight:700}
.markdown-body ul,.markdown-body ol{margin:.8em 0;padding-left:1.8em}
.markdown-body li{margin:.3em 0}
.markdown-body blockquote{
  margin:1em 0;padding:.6em 1.1em;border-left:4px solid var(--brand);
  background:var(--surface-2);color:var(--ink-3);border-radius:0 8px 8px 0;
}
/* GitHub Alert（对齐客户端）：> [!NOTE] 等按类型着色，左边框区分语义 */
.markdown-body blockquote.alert{padding:.7em 1.1em;background:var(--surface-2)}
.markdown-body blockquote.alert-note{border-left-color:#0969da}
.markdown-body blockquote.alert-tip{border-left-color:#1a7f37}
.markdown-body blockquote.alert-important{border-left-color:#8250df}
.markdown-body blockquote.alert-warning{border-left-color:#9a6700}
.markdown-body blockquote.alert-caution{border-left-color:#cf222e}
.markdown-body code{
  font-family:var(--mono);font-size:.88em;
  background:var(--surface-3);padding:.15em .4em;border-radius:5px;color:#c7254e;
}
html[data-theme="dark"] .markdown-body code{color:#ff9aa2;background:var(--surface-3)}
.markdown-body pre{
  margin:1em 0;padding:16px 18px;border-radius:10px;overflow:auto;
  background:var(--surface-2);border:1px solid var(--border);
}
.markdown-body pre code{background:none;padding:0;color:var(--ink);font-size:.86em;line-height:1.6}
.markdown-body table{border-collapse:collapse;margin:1em 0;width:100%;font-size:.92em}
.markdown-body th,.markdown-body td{border:1px solid var(--border);padding:8px 12px;text-align:left}
.markdown-body th[align="center"],.markdown-body td[align="center"]{text-align:center}
.markdown-body th[align="right"],.markdown-body td[align="right"]{text-align:right}
.markdown-body th[align="justify"],.markdown-body td[align="justify"]{text-align:justify}
.markdown-body th{background:var(--surface-2);font-weight:700}
.markdown-body tr:nth-child(even) td{background:var(--surface-2)}
.markdown-body img{max-width:100%;border-radius:8px;margin:.5em 0}
.markdown-body hr{border:none;border-top:1px solid var(--border);margin:1.6em 0}
.markdown-body .mermaid-block{margin:1.2em 0;text-align:center;overflow:auto}
.markdown-body .mermaid-block svg{max-width:100%}
/* mermaid 语法错误时不展示库自带的炸弹错误图，保留原代码块并给红色边框提示 */
.markdown-body pre.mermaid-syntax-error{border-left:3px solid #e74c3c;background:rgba(231,76,60,.06)}
.markdown-body pre.mermaid-syntax-error code:before{content:"Mermaid 语法错误，已保留源代码；";display:block;color:#e74c3c;font-size:12px;margin-bottom:4px}
.markdown-body pre.mermaid-syntax-error code{display:block}

/* MathJax 公式（预览区补最小样式，避免公式贴在一起 / 不居中 / 字号过小） */
.markdown-body mjx-container{outline:none}
.markdown-body mjx-container:not([display]){
  display:inline-block;margin:0 1px;vertical-align:middle;line-height:1;
}
.markdown-body mjx-container[display="true"]{
  display:block;margin:1em 0;text-align:center;overflow-x:auto;overflow-y:hidden;
  padding:.2em 0;
}
.markdown-body mjx-container[display="true"] svg{max-width:100%;height:auto}
.markdown-body mjx-container svg{vertical-align:middle}

.markdown-body kbd{
  font-family:var(--mono);font-size:.82em;background:var(--surface-3);
  border:1px solid var(--border-2);border-bottom-width:2px;border-radius:5px;padding:1px 6px;
}
/* YAML frontmatter 元数据表：对齐客户端预览观感（浅底窄表 + 标签列加粗） */
.markdown-body table.frontmatter-table{margin:0 0 1.4em;width:auto;font-size:.88em;
  border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--surface-2)}
.markdown-body table.frontmatter-table th{white-space:nowrap;color:var(--brand);background:transparent}
.markdown-body table.frontmatter-table td{color:var(--ink-2)}

/* 滚动条 */
.preview-wrap::-webkit-scrollbar,.CodeMirror-scroll::-webkit-scrollbar,.editor-host::-webkit-scrollbar{width:10px;height:10px}
.preview-wrap::-webkit-scrollbar-thumb,.CodeMirror-scroll::-webkit-scrollbar-thumb,.editor-host::-webkit-scrollbar-thumb{
  background:var(--border-2);border-radius:6px;border:2px solid var(--surface)}
.preview-wrap::-webkit-scrollbar-thumb:hover,.CodeMirror-scroll::-webkit-scrollbar-thumb:hover{background:var(--ink-4)}

/* ===================== 通用图标按钮 ===================== */
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:6px;cursor:pointer;border:none;
  background:transparent;color:var(--ink-3);font-size:18px;line-height:1;transition:all .15s;
}
.icon-btn:hover{background:var(--surface-3);color:var(--brand)}

/* ===================== 目录侧栏（对齐客户端 outline） ===================== */
.workspace{position:relative}
.outline{
  width:240px;flex-shrink:0;display:flex;flex-direction:column;min-height:0;
  background:var(--surface-2);border-right:1px solid var(--border);
}
.outline-head{
  height:34px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;
  padding:0 10px 0 14px;background:var(--surface-2);border-bottom:1px solid var(--border);
}
.outline-title{font-size:12px;font-weight:700;color:var(--ink-3);text-transform:uppercase;letter-spacing:.5px}
.outline-body{flex:1;overflow:auto;padding:8px 8px 24px}
.outline-list{list-style:none}
.outline-item{
  display:block;width:100%;text-align:left;cursor:pointer;border:none;background:none;
  padding:5px 10px;border-radius:7px;font-family:var(--font);font-size:13px;color:var(--ink-2);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:all .12s;
  border-left:2px solid transparent;
}
.outline-item:hover{background:var(--surface-3);color:var(--brand)}
.outline-item.active{background:var(--brand-50);color:var(--brand);border-left-color:var(--brand);font-weight:600}
.outline-item.lv-1{padding-left:10px;font-weight:700;font-size:13.5px}
.outline-item.lv-2{padding-left:22px}
.outline-item.lv-3{padding-left:34px}
.outline-item.lv-4{padding-left:46px;font-size:12.5px;color:var(--ink-3)}
.outline-item.lv-5{padding-left:58px;font-size:12px;color:var(--ink-3)}
.outline-item.lv-6{padding-left:70px;font-size:12px;color:var(--ink-4)}
.outline-empty{padding:14px 12px;font-size:12px;color:var(--ink-4)}
body.outline-hidden .outline{display:none}

/* 目录恢复触发器（关闭后出现于左侧） */
.outline-show-trigger{
  position:absolute;left:0;top:50%;transform:translateY(-50%);
  z-index:18;width:22px;height:64px;border:none;cursor:pointer;
  background:var(--surface-2);border:1px solid var(--border);border-left:none;
  border-radius:0 8px 8px 0;color:var(--brand);font-size:18px;line-height:1;
}
.outline-show-trigger:hover{background:var(--brand-50)}
.outline-show-trigger[hidden]{display:none}

/* ===================== Mermaid 图片查看弹窗 ===================== */
.markdown-body .mermaid-block{cursor:zoom-in}
.mermaid-modal{
  position:fixed;inset:0;z-index:900;background:rgba(8,15,25,.72);
  display:flex;flex-direction:column;
}
.mermaid-modal[hidden]{display:none}
.mermaid-modal-bar{
  flex-shrink:0;display:flex;align-items:center;gap:8px;padding:8px 12px;
  background:var(--surface);border-bottom:1px solid var(--border);
}
.mermaid-modal-zoom{font-family:var(--mono);font-size:13px;color:var(--ink-3);min-width:48px;text-align:center}
.mermaid-modal-btn{
  height:30px;padding:0 12px;border-radius:7px;cursor:pointer;
  border:1px solid var(--border-2);background:var(--surface);color:var(--ink-2);
  font-family:var(--font);font-size:13px;font-weight:600;transition:all .15s;
}
.mermaid-modal-btn:hover{border-color:var(--brand);color:var(--brand)}
.mermaid-modal-close{margin-left:auto;width:30px;padding:0;font-size:18px;line-height:1}
.mermaid-modal-body{flex:1;overflow:hidden;position:relative;background:var(--surface)}
.mermaid-modal-stage{
  position:absolute;left:50%;top:50%;transform-origin:center center;
  width:max-content;height:max-content;
}
/* 弹窗内 SVG 居中（stage 用 left/top:50% + 自身 translate 已在外层，这里再兜一层） */
.mermaid-modal-stage svg{max-width:none;max-height:none;display:block}

/* 移动端：上下堆叠 */
@media (max-width:760px){
  .workspace{flex-direction:column}
  .pane + .pane{border-left:none;border-top:1px solid var(--border)}
  .splitter{display:none}
  .topbar{flex-wrap:wrap;height:auto;padding:8px 12px;gap:8px}
  .topbar .doc-name{max-width:160px}
  .preview{padding:20px 16px 60px}
  .tbtn span.lbl{display:none}
  .outline{width:auto;max-height:34vh;border-right:none;border-bottom:1px solid var(--border)}
}

/* ===================== 批量转换弹窗 ===================== */
/* 导出菜单分隔线 */
.dropdown-menu .dm-sep{height:1px;margin:4px 6px;background:var(--border);}

.batch-modal-overlay{
  position:fixed;inset:0;z-index:910;background:rgba(8,15,25,.72);
  display:flex;align-items:center;justify-content:center;padding:24px;
}
.batch-modal-overlay[hidden]{display:none}
.batch-modal-card{
  width:min(920px,96vw);max-height:90vh;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border-2);border-radius:14px;overflow:hidden;
  box-shadow:0 24px 64px rgba(13,27,42,.28);
}
.batch-modal-head{
  flex-shrink:0;display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid var(--border);
}
.batch-modal-title{font-family:var(--font);font-size:16px;font-weight:800;color:var(--ink-1)}
.batch-modal-close{
  width:30px;height:30px;border-radius:7px;border:1px solid var(--border-2);background:var(--surface);
  color:var(--ink-2);font-size:18px;line-height:1;cursor:pointer;
}
.batch-modal-close:hover{border-color:var(--brand);color:var(--brand)}
.batch-modal-body{flex:1;display:flex;min-height:0;}

/* 左侧格式侧栏 */
.batch-modal-side{
  flex-shrink:0;width:180px;padding:16px 12px;border-right:1px solid var(--border);
  background:var(--surface-2);display:flex;flex-direction:column;gap:8px;
}
.batch-side-title{font-size:12px;font-weight:700;color:var(--ink-3);padding:0 4px 4px;letter-spacing:.3px}
.batch-side-item{
  display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:10px 12px;
  border:1px solid transparent;border-radius:9px;background:none;cursor:pointer;
  font-family:var(--font);font-size:13px;font-weight:700;color:var(--ink-2);
}
.batch-side-item:hover{background:var(--surface-3);color:var(--brand)}
.batch-side-item.active{background:var(--brand-50);border-color:var(--brand);color:var(--brand)}
.batch-side-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;font-weight:800;color:#fff;background:var(--brand);
}

/* 右侧主区 */
.batch-modal-main{flex:1;display:flex;flex-direction:column;min-width:0;padding:16px 18px;gap:14px}
.batch-toolbar{display:flex;align-items:center;gap:10px}
.batch-count{font-size:12px;color:var(--ink-3)}

.btn{
  height:34px;padding:0 16px;border-radius:8px;cursor:pointer;border:1px solid var(--border-2);
  background:var(--surface);color:var(--ink-1);font-family:var(--font);font-size:13px;font-weight:700;transition:all .15s;
}
.btn:hover{border-color:var(--brand);color:var(--brand)}
.btn.ghost{background:var(--surface-2)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.btn.primary:disabled{opacity:.6;cursor:not-allowed;background:var(--brand);border-color:var(--brand);color:#fff}
.batch-start{margin-left:auto}

/* 通用确认对话框（替代 confirm()） */
.modal-overlay{
  position:fixed;inset:0;z-index:920;background:rgba(8,15,25,.72);
  display:flex;align-items:center;justify-content:center;padding:24px;
}
.modal-overlay[hidden]{display:none}
.confirm-card{
  width:min(400px,92vw);background:var(--surface);border:1px solid var(--border-2);
  border-radius:14px;overflow:hidden;box-shadow:0 24px 64px rgba(13,27,42,.28);
}
.confirm-msg{padding:24px 20px;font-size:14px;line-height:1.6;color:var(--ink-1)}
.confirm-actions{display:flex;justify-content:flex-end;gap:10px;padding:0 20px 20px}
.confirm-actions .btn{min-width:72px}

/* 拖拽 / 文件列表 */
.batch-drop-target{
  position:relative;flex:1;min-height:200px;border:2px dashed var(--border-2);border-radius:12px;
  background:var(--surface-2);display:flex;align-items:center;justify-content:center;overflow:auto;padding:16px;
}
.batch-empty-state{text-align:center;color:var(--ink-3);pointer-events:none}
.batch-empty-icon{color:var(--brand);opacity:.7;margin-bottom:8px}
.batch-empty-title{font-size:15px;font-weight:700;color:var(--ink-1);margin-bottom:4px}
.batch-empty-sub{font-size:12px}
.batch-list-wrap{width:100%}
.batch-list{width:100%;border-collapse:collapse;font-size:13px}
.batch-list thead th{
  position:sticky;top:0;background:var(--surface);text-align:left;font-weight:700;color:var(--ink-3);
  border-bottom:1px solid var(--border);padding:8px 10px;white-space:nowrap;
}
.batch-list td{padding:8px 10px;border-bottom:1px solid var(--border);color:var(--ink-2);vertical-align:middle}
.batch-td-name{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.batch-file-name{font-weight:600;color:var(--ink-1)}
.batch-checkall,.batch-conv{cursor:pointer}
.batch-status{padding:2px 8px;border-radius:20px;font-size:12px;font-weight:700}
.batch-status-pending{background:var(--surface-3);color:var(--ink-3)}
.batch-status-converting{background:#fff4e0;color:#b8730a}
.batch-status-done{background:#e3f6e8;color:#1a7f37}
.batch-status-error{background:#fde4e4;color:#cf222e}
.batch-status-msg{font-size:11px;color:#cf222e;margin-top:2px;max-width:260px;word-break:break-all}
.batch-del{
  width:24px;height:24px;border-radius:6px;border:1px solid var(--border-2);background:var(--surface);
  color:var(--ink-3);cursor:pointer;font-size:14px;line-height:1;
}
.batch-del:hover{border-color:#cf222e;color:#cf222e}
.batch-drag-overlay{
  position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  background:rgba(0,80,200,.12);border:2px dashed var(--brand);border-radius:12px;
  font-size:16px;font-weight:800;color:var(--brand);pointer-events:none;
}
.batch-drag-overlay.active{display:flex}

.batch-footer{display:flex;align-items:center;gap:12px}
.batch-hint{flex:1;font-size:12px;color:var(--ink-3);line-height:1.5}

/* 移动端：侧栏折叠到顶部 */
@media (max-width:760px){
  .batch-modal-body{flex-direction:column}
  .batch-modal-side{width:auto;flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--border)}
  .batch-side-item{flex:1;min-width:120px}
}