/* ==================== CSS 变量 ==================== */
:root {
  --bg:#f5f6f8; --card:#ffffff; --surface:#fafbfc;
  --primary:#111827; --primary-d:#030712; --primary2:#374151;
  --success:#10b981; --warn:#f59e0b; --danger:#ef4444;
  --text:#1f2937; --sub:#6b7280; --muted:#9ca3af;
  --border:#e7e9ee; --border-strong:#d1d5db;
  --radius:12px; --radius-sm:8px; --radius-lg:16px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.06);
  --shadow:0 2px 8px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.04);
  --shadow-lg:0 10px 30px rgba(16,24,40,.10);
  --ring:0 0 0 3px rgba(17,24,39,.12);
}

* { margin:0; padding:0; box-sizing:border-box; }
html, body { height:100%; }
body { font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif; background:var(--bg); color:var(--text); overflow:hidden; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; line-height:1.55; }
#app { height:100vh; display:flex; flex-direction:column; min-height:0; }

/* ==================== 顶部导航 ==================== */
.topbar { background:#1f2937; color:#fff; padding:0 24px; height:56px; display:flex; align-items:center; gap:12px; flex:none; z-index:100; }
.topbar .logo { font-size:20px; font-weight:700; }
.topbar .ver { font-size:12px; opacity:.7; margin-left:4px; }
.topbar .links { margin-left:auto; display:flex; gap:12px; }
.topbar .links a { color:#fff; opacity:.8; text-decoration:none; font-size:13px; transition:opacity .2s; }
.topbar .links a:hover { opacity:1; }
.menu-toggle { display:none; align-items:center; justify-content:center; width:36px; height:36px; border:none; background:rgba(255,255,255,.1); color:#fff; border-radius:6px; cursor:pointer; font-size:18px; margin-right:4px; flex:none; }

/* ==================== 布局主体（侧边栏 + 内容区） ==================== */
.layout-body { display:flex; flex:1; min-height:0; overflow:hidden; }

/* ==================== 侧边栏 ==================== */
.sidebar { width:220px; flex:none; background:#1f2937; color:#e5e7eb; display:flex; flex-direction:column; transition:width .25s cubic-bezier(.4,0,.2,1); overflow:hidden; z-index:50; }
.sidebar.collapsed { width:56px; }
.sidebar-inner { display:flex; flex-direction:column; height:100%; overflow-y:auto; overflow-x:hidden; }
.sidebar-nav { flex:1; padding:8px 0; }

/* 菜单项 */
.menu-item { display:flex; align-items:center; gap:10px; width:100%; padding:10px 16px; border:none; background:none; color:#d1d5db; font-size:14px; cursor:pointer; transition:background .15s, color .15s; text-align:left; font-family:inherit; white-space:nowrap; position:relative; }
.menu-item:hover { background:rgba(255,255,255,.08); color:#fff; }
.menu-item.active { background:rgba(255,255,255,.12); color:#fff; font-weight:600; }
.menu-icon { font-size:18px; flex:none; width:24px; text-align:center; }
.child-icon { font-size:15px; }
.menu-label { flex:1; overflow:hidden; text-overflow:ellipsis; }
.menu-arrow { font-size:12px; transition:transform .2s; flex:none; }
.menu-arrow.expanded { transform:rotate(0deg); }
.menu-arrow:not(.expanded) { transform:rotate(-90deg); }

/* 子菜单 */
.menu-child { padding-left:30px; font-size:13px; }
.submenu { overflow:hidden; transition:max-height .25s ease; max-height:0; }
.menu-group.open .submenu { max-height:300px; }

/* 折叠按钮 */
.sidebar-collapse-btn { border:none; background:rgba(255,255,255,.06); color:#9ca3af; padding:10px; cursor:pointer; font-size:12px; text-align:center; transition:background .15s; flex:none; }
.sidebar-collapse-btn:hover { background:rgba(255,255,255,.12); color:#fff; }
.sidebar-collapse-btn span { display:inline-block; transition:transform .25s; }

/* 折叠态：仅显示图标 */
.sidebar.collapsed .menu-label,
.sidebar.collapsed .menu-arrow,
.sidebar.collapsed .submenu { display:none; }
.sidebar.collapsed .menu-item { justify-content:center; padding:12px 0; }
.sidebar.collapsed .menu-icon { width:auto; }

/* ==================== 内容区 ==================== */
.main { flex:1; min-width:0; padding:20px; overflow-y:auto; }
/* 聊天页：圣杯布局，内容撑满视口、外层不滚动 */
.main.main-chat { overflow:hidden; padding:16px; display:flex; }
.main.main-chat .page-pane { flex:1; display:flex; min-height:0; min-width:0; }
.page-pane { min-width:0; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px);} to{opacity:1;transform:translateY(0);} }

/* ==================== 卡片 ==================== */
.card { background:var(--card); border-radius:var(--radius); padding:22px; margin-bottom:16px; border:1px solid var(--border); }
.card h2 { font-size:16px; font-weight:600; margin-bottom:16px; display:flex; align-items:center; gap:8px; }
.card h3 { font-size:13px; font-weight:600; margin-bottom:8px; color:var(--sub); }

/* ==================== 表单 ==================== */
.input-row { display:flex; gap:8px; margin-bottom:12px; flex-wrap:wrap; }
.input, .textarea, .select { padding:10px 14px; border:1px solid var(--border); border-radius:8px; font-size:14px; font-family:inherit; outline:none; transition:border-color .2s; }
.input:focus, .textarea:focus, .select:focus { border-color:var(--primary); box-shadow:var(--ring); }
.input { flex:1; min-width:200px; width:100%; }
.textarea { width:100%; resize:vertical; min-height:120px; }
.select { min-width:160px; }
.input-sm { width:120px; flex:none; }
.input-field-sm { display:flex; flex-direction:column; gap:4px; flex:none; }
.input-field-sm span { font-size:12px; color:var(--sub); font-weight:600; }

.btn { padding:10px 20px; border:none; border-radius:8px; font-size:14px; cursor:pointer; font-family:inherit; font-weight:500; transition:all .2s; display:inline-flex; align-items:center; gap:6px; white-space:nowrap; }
.btn:disabled { opacity:.5; cursor:not-allowed; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover:not(:disabled) { background:#000; }
.btn-purple { background:var(--primary2); color:#fff; }
.btn-purple:hover:not(:disabled) { background:#1f2937; }
.btn-success { background:var(--success); color:#fff; }
.btn-outline { background:#fff; color:var(--primary); border:1px solid var(--primary); }
.btn-sm { padding:6px 12px; font-size:12px; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-warn { background:var(--warn); color:#fff; }

/* ==================== 消息区 ==================== */
.msg-area { border:1px solid var(--border); border-radius:var(--radius); height:400px; overflow-y:auto; padding:16px; background:#fff; margin-bottom:12px; display:flex; flex-direction:column; gap:10px; }
.msg { display:flex; gap:12px; max-width:88%; animation: fadeIn .25s; }
.msg.user { align-self:flex-end; flex-direction:row-reverse; }
.msg.assistant { align-self:flex-start; }
.msg-bubble { line-height:1.65; font-size:15px; word-break:break-word; white-space:pre-wrap; }
.msg.user .msg-bubble { background:#f4f4f5; color:var(--text); padding:10px 14px; border-radius:14px; }
.msg.assistant .msg-bubble { background:transparent; padding:1px 0; }

/* ==================== 商品信息展示 ==================== */
.result-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(280px, 1fr)); gap:12px; margin-top:12px; }
.result-item { background:#fafafa; padding:12px 16px; border-radius:10px; border:1px solid var(--border); }
.result-item .label { font-size:12px; color:var(--sub); margin-bottom:4px; }
.result-item .value { font-size:14px; font-weight:500; }
.result-json { background:#1e293b; color:#e2e8f0; padding:16px; border-radius:8px; font-family:'Fira Code',monospace; font-size:13px; white-space:pre-wrap; overflow-x:auto; }

/* ==================== 文件上传区 ==================== */
.upload-zone { border:2px dashed var(--border); border-radius:var(--radius); padding:32px; text-align:center; transition:all .2s; cursor:pointer; margin-bottom:12px; }
.upload-zone:hover, .upload-zone.drag-over { border-color:var(--primary); background:#f3f4f6; }
.upload-zone p { color:var(--sub); }
.upload-zone .icon { font-size:40px; margin-bottom:8px; }

/* ==================== Toast ==================== */
.toast-container { position:fixed; top:70px; right:20px; z-index:9999; display:flex; flex-direction:column; gap:8px; }
.toast { padding:10px 18px; border-radius:8px; color:#fff; font-size:13px; animation:slideIn .3s; box-shadow:0 4px 12px rgba(0,0,0,.15); }
.toast.success { background:var(--success); }
.toast.error { background:var(--danger); }
.toast.info { background:var(--primary); }
@keyframes slideIn { from{opacity:0;transform:translateX(100px);} to{opacity:1;transform:translateX(0);} }

/* ==================== 流式结果比较 ==================== */
.stream-compare { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.stream-compare .card { margin-bottom:0; }

/* ==================== 表格样式 ==================== */
.data-table { width:100%; border-collapse:collapse; font-size:13px; }
.data-table th { background:#fafafa; padding:11px 12px; text-align:left; font-weight:600; font-size:12px; color:var(--sub); border-bottom:1px solid var(--border); white-space:nowrap; }
.data-table td { padding:11px 12px; border-bottom:1px solid var(--border); vertical-align:middle; }
.data-table tr:hover { background:#fafafa; }
.data-table td .btn { margin:2px 0; }
.data-table td .btn + .btn { margin-left:6px; }
.data-table .status-ready { color:var(--success); font-weight:600; }
.data-table .status-processing { color:var(--warn); font-weight:600; }
.data-table .status-failed { color:var(--danger); font-weight:600; }

/* ==================== 分页 ==================== */
.pagination { display:flex; gap:4px; justify-content:center; margin-top:12px; }
.pagination button { padding:6px 12px; border:1px solid var(--border); background:#fff; border-radius:6px; cursor:pointer; font-size:12px; }
.pagination button:hover:not(:disabled) { background:var(--primary); color:#fff; border-color:var(--primary); }
.pagination button:disabled { opacity:.5; cursor:not-allowed; }
.pagination button.active { background:var(--primary); color:#fff; border-color:var(--primary); }

/* ==================== 统计卡片 ==================== */
.stat-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(180px, 1fr)); gap:12px; margin-bottom:16px; }
.stat-card { background:#fafafa; border-radius:10px; padding:18px 16px; text-align:center; border:1px solid var(--border); }
.stat-card .number { font-size:26px; font-weight:700; color:var(--text); letter-spacing:-.01em; }
.stat-card .label { font-size:12px; color:var(--muted); margin-top:5px; }

/* ==================== 弹窗 ==================== */
.modal-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,.5); z-index:300; display:none; align-items:center; justify-content:center; }
.modal-overlay.active { display:flex; }
.modal-box { background:#fff; border-radius:var(--radius); width:90%; max-width:800px; max-height:85vh; overflow-y:auto; padding:24px; position:relative; }
.modal-box h2 { margin-bottom:16px; font-size:18px; }
.modal-close { position:absolute; top:16px; right:20px; font-size:24px; cursor:pointer; color:var(--sub); background:none; border:none; }
.modal-close:hover { color:var(--text); }

/* 模型配置弹窗双栏网格 */
.model-form { display:grid; grid-template-columns:1fr 1fr; gap:14px 16px; margin-top:16px; }
.model-form-full { grid-column:1 / -1; }
@media(max-width:640px) { .model-form { grid-template-columns:1fr; } }

/* ==================== 分类标签 ==================== */
.category-tag { display:inline-block; padding:2px 8px; border-radius:12px; font-size:11px; background:#f3f4f6; color:var(--text); }

/* ==================== 搜索结果 ==================== */
.search-result { background:#fafafa; border-radius:10px; padding:12px 14px; margin-bottom:8px; border:1px solid var(--border); }
.search-result .score { font-size:12px; color:var(--sub); font-weight:600; }
.search-result .meta { font-size:12px; color:var(--sub); margin-top:4px; }
.search-result .content { font-size:13px; margin-top:6px; line-height:1.5; }

/* ==================== 端点标签 ==================== */
.badge { display:inline-block; padding:2px 8px; border-radius:12px; font-size:11px; font-weight:600; }
.badge-get { background:#dbeafe; color:#1d4ed8; }
.badge-post { background:#fef3c7; color:#b45309; }
.endpoint-info { display:flex; align-items:center; gap:6px; margin-bottom:8px; flex-wrap:wrap; }

/* ==================== 消息列表样式（会话管理） ==================== */
.msg-item { border:1px solid var(--border); }
.msg-item.msg-user { background:#fafafa; border-left:3px solid #111827; }
.msg-item.msg-assistant { background:#fff; border-left:3px solid var(--border-strong); }
.msg-item.msg-system { background:#fafafa; border-left:3px solid var(--muted); }

/* ==================== 响应式 ==================== */
.sidebar-overlay { display:none; }
@media(max-width:768px) {
  .sidebar { position:fixed; top:56px; left:0; bottom:0; width:260px; transform:translateX(-100%); transition:transform .3s cubic-bezier(.4,0,.2,1); z-index:200; }
  .sidebar.open { transform:translateX(0); }
  .sidebar.collapsed { width:260px; }
  .sidebar-overlay { display:block; position:fixed; top:56px; left:0; right:0; bottom:0; background:rgba(0,0,0,.4); z-index:199; }
  .menu-toggle { display:flex; }
  .sidebar-collapse-btn { display:none; }
  .main { padding:16px; }
  .main.main-chat { padding:12px; }
  .stream-compare { grid-template-columns:1fr; }
  .stat-grid { grid-template-columns:1fr 1fr; }
}

/* ==================== Chat Panel ==================== */
.chat-shell { display:grid; grid-template-columns:260px minmax(0, 1fr); gap:16px; flex:1; min-width:0; min-height:0; }
.chat-sidebar, .chat-main { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); }
.chat-sidebar { padding:16px; display:flex; flex-direction:column; gap:20px; overflow:hidden; min-height:0; }
.agent-card { display:flex; align-items:center; gap:12px; }
.agent-avatar { width:40px; height:40px; border-radius:10px; display:flex; align-items:center; justify-content:center; background:#4f46e5; color:#fff; font-weight:700; font-size:14px; }
.agent-name { font-weight:600; font-size:14px; }
.agent-status { margin-top:3px; color:var(--muted); font-size:12px; display:flex; align-items:center; gap:6px; }
.agent-status span { width:6px; height:6px; border-radius:999px; background:var(--success); display:inline-block; }
.side-section { display:flex; flex-direction:column; gap:8px; }
.side-label { font-size:12px; color:var(--muted); font-weight:500; }
.toggle-line { display:flex; align-items:center; gap:8px; font-size:13px; cursor:pointer; }
.toggle-line input { width:16px; height:16px; }
.chat-select { width:100%; min-width:0; }
.chat-main { display:flex; flex-direction:column; min-width:0; min-height:0; overflow:hidden; }
.chat-header { padding:18px 24px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; gap:16px; }
.chat-title h2 { font-size:16px; font-weight:600; }
.chat-subline { margin-top:5px; color:var(--muted); font-size:12px; display:flex; align-items:center; gap:7px; flex-wrap:wrap; }
.chat-subline .dot-sep { color:var(--border-strong); }
.rag-dot { width:7px; height:7px; border-radius:999px; background:var(--muted); display:inline-block; }
.rag-dot.on { background:var(--success); }
.chat-actions { display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:flex-end; }
.rag-toggle { height:40px; padding:0 12px; border:1px solid var(--border); border-radius:8px; display:flex; align-items:center; gap:8px; font-size:13px; font-weight:600; background:#fff; cursor:pointer; user-select:none; }
.rag-toggle input { width:16px; height:16px; accent-color:var(--primary); }
.rag-strategy { min-width:112px; font-size:13px; }
.chat-mode { min-width:130px; font-size:13px; }
.quick-row { padding:18px 24px 0; display:flex; gap:8px; flex-wrap:wrap; }
.quick-row button { border:none; background:#f7f7f8; border-radius:999px; padding:7px 14px; font-size:13px; color:var(--sub); cursor:pointer; transition:all .15s; }
.quick-row button:hover { background:#ececee; color:var(--text); }
.chat-msg-area { flex:1; height:auto; min-height:0; margin:0; border:none; border-radius:0; padding:24px; background:#fff; gap:18px; }
.chat-msg-area .msg { max-width:100%; }
.chat-msg-area .msg.user { max-width:80%; }
.chat-msg-area .msg-content { min-width:0; }
.edit-textarea { width:100%; min-width:min(260px, 100%); }
.edit-actions { display:flex; align-items:center; gap:8px; margin-top:8px; flex-wrap:wrap; }
.edit-actions span { font-size:12px; color:var(--muted); }
.msg-tools { margin-top:7px; display:flex; align-items:center; gap:4px; font-size:12px; color:var(--muted); flex-wrap:wrap; opacity:0; transition:opacity .15s; }
.msg:hover .msg-tools, .msg.streaming .msg-tools { opacity:1; }
.msg-tools span { margin-right:4px; }
.msg-tools button { border:none; background:transparent; color:var(--muted); cursor:pointer; font-size:12px; padding:2px 7px; border-radius:6px; line-height:1.4; transition:all .15s; }
.msg-tools button:hover { background:#f4f4f5; color:var(--text); }
.msg-tools button:focus-visible { outline:none; box-shadow:var(--ring); }
.chat-composer { border-top:1px solid var(--border); padding:16px 24px 20px; background:#fff; }
.composer-box { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:8px; align-items:end; border:1px solid var(--border); border-radius:14px; padding:8px 8px 8px 14px; transition:border-color .15s; }
.composer-box:focus-within { border-color:var(--text); }
.chat-textarea { border:none; outline:none; background:transparent; resize:none; min-height:40px; max-height:160px; padding:8px 0; font-size:15px; font-family:inherit; line-height:1.5; }
.send-btn { height:40px; min-width:72px; border:none; border-radius:10px; background:var(--text); color:#fff; font-size:14px; font-weight:500; cursor:pointer; transition:opacity .15s; }
.send-btn:hover:not(:disabled) { opacity:.85; }
.send-btn:disabled { opacity:.35; cursor:not-allowed; }

@media(max-width:860px) {
  .main.main-chat { overflow-y:auto; display:block; }
  .page-pane { display:block; }
  .chat-shell { grid-template-columns:1fr; height:auto; min-height:0; }
  .chat-sidebar { order:1; overflow:visible; }
  .chat-main { order:2; min-height:560px; }
  .chat-msg-area { min-height:360px; }
}
@media(max-width:640px) {
  .chat-header { flex-direction:column; align-items:flex-start; }
  .chat-actions { width:100%; justify-content:flex-start; }
  .chat-msg-area .msg, .chat-msg-area .msg.user { max-width:100%; }
  .quick-row { padding:14px 16px 0; }
  .chat-msg-area { padding:16px; }
  .chat-composer { padding:12px 16px 16px; }
}

/* ==================== 滚动条 ==================== */
* { scrollbar-width:thin; scrollbar-color:#cbd0d8 transparent; }
::-webkit-scrollbar { width:10px; height:10px; }
::-webkit-scrollbar-thumb { background:#cbd0d8; border-radius:999px; border:2px solid transparent; background-clip:content-box; }
::-webkit-scrollbar-thumb:hover { background:#aab0bb; background-clip:content-box; }
::-webkit-scrollbar-track { background:transparent; }

/* ==================== Markdown 渲染（AI 回复） ==================== */
.msg-bubble.markdown-body { white-space:normal; }
.markdown-body { font-size:14px; line-height:1.7; word-break:break-word; }
.markdown-body > *:first-child { margin-top:0; }
.markdown-body > *:last-child { margin-bottom:0; }
.markdown-body p { margin:8px 0; }
.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4 { margin:14px 0 8px; line-height:1.3; font-weight:700; }
.markdown-body h1 { font-size:20px; } .markdown-body h2 { font-size:18px; } .markdown-body h3 { font-size:16px; } .markdown-body h4 { font-size:14px; }
.markdown-body ul,.markdown-body ol { margin:8px 0; padding-left:22px; }
.markdown-body li { margin:3px 0; }
.markdown-body li>p { margin:2px 0; }
.markdown-body a { color:var(--primary); text-decoration:none; }
.markdown-body a:hover { text-decoration:underline; }
.markdown-body code { font-family:'Fira Code',ui-monospace,SFMono-Regular,Menlo,monospace; font-size:.88em; background:#f1f1f2; color:#374151; padding:.12em .4em; border-radius:5px; }
.markdown-body pre { background:#1e293b; color:#e2e8f0; padding:14px 16px; border-radius:10px; overflow-x:auto; margin:10px 0; }
.markdown-body pre code { background:none; color:inherit; padding:0; font-size:13px; }
.markdown-body blockquote { margin:10px 0; padding:6px 14px; border-left:2px solid var(--border-strong); background:#fafafa; color:var(--sub); border-radius:0 8px 8px 0; }
.markdown-body table { border-collapse:collapse; margin:10px 0; font-size:13px; width:100%; }
.markdown-body th,.markdown-body td { border:1px solid var(--border); padding:6px 10px; text-align:left; }
.markdown-body th { background:#f3f4f6; font-weight:600; }
.markdown-body hr { border:none; border-top:1px solid var(--border); margin:14px 0; }
.markdown-body img { max-width:100%; border-radius:8px; }

/* 思考中光标 */
.msg .thinking { color:var(--sub); }
.msg .thinking::after { content:'▋'; margin-left:2px; animation:blink 1s steps(2) infinite; }
@keyframes blink { 0%,50%{opacity:1;} 51%,100%{opacity:0;} }

/* ==================== 对话页 · 助手卡片(左) ==================== */
.side-section-grow { flex:1; min-height:0; }
.assistant-list { display:flex; flex-direction:column; gap:4px; overflow-y:auto; padding-right:2px; margin:0 -6px; }
.assistant-card { width:100%; border:none; background:transparent; border-radius:9px; padding:9px 10px; display:flex; gap:10px; align-items:center; text-align:left; cursor:pointer; transition:background .12s; font-family:inherit; }
.assistant-card:hover { background:#f4f4f5; }
.assistant-card.active { background:#f4f4f5; }
.assistant-avatar-sm { flex:none; width:30px; height:30px; border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:600; color:#fff; background:#0d9488; }
.assistant-list .assistant-card:nth-child(6n+1) .assistant-avatar-sm { background:#0d9488; }
.assistant-list .assistant-card:nth-child(6n+2) .assistant-avatar-sm { background:#ea580c; }
.assistant-list .assistant-card:nth-child(6n+3) .assistant-avatar-sm { background:#2563eb; }
.assistant-list .assistant-card:nth-child(6n+4) .assistant-avatar-sm { background:#16a34a; }
.assistant-list .assistant-card:nth-child(6n+5) .assistant-avatar-sm { background:#db2777; }
.assistant-list .assistant-card:nth-child(6n+6) .assistant-avatar-sm { background:#0891b2; }
.assistant-meta { min-width:0; display:flex; flex-direction:column; gap:1px; }
.assistant-meta strong { font-size:13px; font-weight:600; color:var(--text); }
.assistant-meta small { font-size:12px; color:var(--muted); line-height:1.4; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ==================== 引用来源(回答下方) ==================== */
.msg-sources { margin-top:14px; padding-top:12px; border-top:1px solid var(--border); }
.msg-sources-head { font-size:12px; font-weight:500; color:var(--muted); margin-bottom:10px; display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap; }
.source-doc { border:none; border-radius:0; background:transparent; padding:0; margin-bottom:12px; }
.source-doc:last-child { margin-bottom:0; }
.source-doc.clickable { cursor:pointer; }
.source-doc.clickable:hover .source-doc-title { color:var(--primary); }
.source-doc-head { display:flex; align-items:center; gap:8px; margin-bottom:5px; flex-wrap:wrap; }
.source-doc-title { font-size:13px; font-weight:600; color:var(--text); word-break:break-word; min-width:0; transition:color .15s; }
.source-open { font-size:11px; color:var(--muted); flex:none; }
.source-chunk { font-size:12px; line-height:1.6; color:var(--sub); border-left:2px solid var(--border); padding-left:10px; margin-top:4px; }
.source-rel { display:inline-block; font-size:11px; color:var(--muted); margin-right:6px; font-weight:600; }
.source-snippet { color:var(--sub); }