* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background: #f5f6f7;
    height: 100vh;
    overflow: hidden;
    /* 窄 iframe 下允许横向滚动，保证页面内容显示全 */
    overflow-x: auto;
}

.app-layout {
    display: flex;
    height: 100vh;
    width: 100%;
    margin: 0 auto;
    background: transparent;
    gap: 0;
}

.sidebar {
    width: 220px;
    background: #ffffff;
    border-right: 1px solid #e6e6e6;
    display: flex;
    flex-direction: column;
    padding: 16px;
}

.sidebar .logo {
    font-size: 16px;
    color: #222;
    margin-bottom: 12px;
}

.conversations {
    flex: 1;
    margin-top: 8px;
}

.conv-item {
    padding: 10px;
    border-radius: 6px;
    color: #333;
    font-size: 14px;
    cursor: pointer;
}

.conv-item.active {
    background: #f0f0f0;
}

.auth-panel {
    border-top: 1px solid #eee;
    padding-top: 12px;
    margin-top: 12px;
}

.login-form,
.user-panel {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-input {
    width: 100%;
    border: 1px solid #e6e6e6;
    border-radius: 6px;
    padding: 9px 10px;
    font-size: 13px;
    outline: none;
}

.auth-input:focus {
    border-color: #cfcfcf;
}

.auth-btn {
    width: 100%;
    background: #222;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 9px 10px;
    cursor: pointer;
    font-size: 13px;
}

.auth-btn.secondary {
    background: #f0f0f0;
    color: #333;
}

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.user-name {
    color: #333;
    font-size: 13px;
    line-height: 1.4;
    word-break: break-word;
}

.sidebar-foot {
    font-size: 12px;
    color: #999;
    text-align: center;
    padding: 8px 0;
}

/* ===== 登录态预判：由 <head> 脚本设置 data-authed / data-admin，避免 UI 跳动 ===== */

/* 未登录：显示居中登录页，隐藏主布局 */
html:not([data-authed="true"]) .login-page { display: flex; }
html:not([data-authed="true"]) .app-layout { display: none; }

/* 已登录：隐藏登录页，显示主布局 */
html[data-authed="true"] .login-page { display: none; }
html[data-authed="true"] .app-layout { display: flex; }
html[data-authed="true"] .conversations { display: block; }
html[data-authed="true"] .user-panel { display: flex; }
html[data-authed="true"] .login-form { display: none; }

/* 用户管理按钮：仅管理员可见 */
#userManagementBtn { display: none; }
html[data-admin="true"] #userManagementBtn { display: block; }

/* 技能工具管理按钮：仅超级管理员可见 */
#skillToolManagementBtn { display: none; }
html[data-super-admin="true"] #skillToolManagementBtn { display: block; }

/* 系统工具区：仅超级管理员可见 */
html[data-super-admin="true"] #superAdminSection { display: block !important; }

/* ===== 居中登录页 ===== */
.login-page {
    display: none;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    background: #f5f6f7;
}
.login-card {
    width: 360px;
    max-width: 90vw;
    background: #fff;
    border-radius: 16px;
    padding: 48px 36px 36px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    text-align: center;
}
.login-logo {
    font-size: 24px;
    font-weight: 700;
    color: #222;
    margin-bottom: 6px;
}
.login-subtitle {
    font-size: 14px;
    color: #999;
    margin-bottom: 28px;
}
.login-input {
    width: 100%;
    margin-bottom: 12px;
    padding: 12px 14px;
    font-size: 14px;
}
.login-btn {
    width: 100%;
    margin-top: 6px;
    padding: 12px;
    font-size: 15px;
}

.main-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #fff;
    border-left: 0;
    box-shadow: 0 0 0 rgba(0,0,0,0);
    padding: 0;
    overflow: hidden;
    height: 100%;
    min-height: 0;
}

#chatView,
#agentView,
#agentV2View,
#agentV3View,
#agentV4View,
#kbView,
#userManagementView,
#skillToolManagementView,
#settingsView {
    display: none;           /* 默认隐藏，由 data-active-view 控制 */
    flex-direction: column;
    flex: 1;
    width: 100%;
    overflow: hidden;
    min-height: 0;
}

/* 页面渲染前由 <head> 脚本写入，避免视图闪烁 */
html[data-active-view="chat"] #chatView,
html[data-active-view="agent"] #agentView,
html[data-active-view="agent-v2"] #agentV2View,
html[data-active-view="agent-v3"] #agentV3View,
html[data-active-view="agent-v4"] #agentV4View,
html[data-active-view="knowledge"] #kbView,
html[data-active-view="user-management"] #userManagementView,
html[data-active-view="skill-tool"] #skillToolManagementView,
html[data-active-view="settings"] #settingsView {
    display: flex;
}

#chatView,
#agentView {
    /* 外层不滚动，由内部 .chat-messages 滚动 */
}

/* 聊天 / 智能体视图滚动条样式（靠右侧边缘） */
.chat-messages::-webkit-scrollbar {
    width: 7px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(97, 97, 97, 0.24);
    border-radius: 999px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(97, 97, 97, 0.4);
}

#kbView,
#userManagementView {
    max-width: none;
    margin: 0;
}

.chat-messages,
.kb-container,
.user-management-container {
    -webkit-overflow-scrolling: touch;
}

.main-header {
    padding: 16px 20px;
    border-bottom: 1px solid #eee;
    background: #fff;
}

.main-header h3 {
    font-size: 16px;
    color: #111;
}

.sidebar-toggle-btn {
    display: none;
    border: none;
    background: transparent;
    color: #222;
    font-size: 22px;
    cursor: pointer;
    padding: 6px 10px;
    margin-left: auto;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #fff;
    min-height: 0;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(97, 97, 97, 0.24) transparent;
    /* 撑满宽度让滚动条在最右侧，用动态 padding 让内容与输入区对齐 */
    width: 100%;
    padding: 20px max(20px, calc((100% - 860px) / 2));
}

.message {
    display: flex;
    flex-direction: column;
    margin-bottom: 6px;
    align-items: flex-start; /* 默认左对齐单条消息容器，用户消息通过子元素右对齐 */
}

.bot-message .message-content,
.user-message .message-content {
    padding: 8px 14px;
    border-radius: 8px;
    max-width: 720px; /* 固定最大宽度，配合左右留白使内容更紧凑 */
    width: auto;
    word-break: break-word;
    white-space: pre-wrap;
    font-size: 14px;
    line-height: 1.5;
    box-sizing: border-box;
}

.bot-message .message-content { align-self: flex-start; }
.user-message .message-content { align-self: flex-end; }

.message-content.markdown-body {
    white-space: normal;
}

.bot-message .message-loading-content {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
}

/* 移除段落自带的上下边距，防止 pre-wrap 叠加多余空行 */
.message-content p {
    margin: 0;
}

.markdown-body {
    font-size: 14px;
    line-height: 1.7;
    color: #222;
}

.markdown-body > *:first-child {
    margin-top: 0;
}

.markdown-body > *:last-child {
    margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin: 12px 0 8px;
    font-weight: 700;
    line-height: 1.3;
    color: #111;
}

.markdown-body h1 { font-size: 1.35em; }
.markdown-body h2 { font-size: 1.2em; }
.markdown-body h3 { font-size: 1.08em; }

.markdown-body p {
    margin: 0 0 6px;
}

/* 响应式：窄屏设备去掉两侧大留白，消息最大宽度回退为 100% */
@media (max-width: 900px) {
    .chat-messages { padding: 16px 20px; }
    .bot-message .message-content,
    .user-message .message-content { max-width: 100%; }
}

.markdown-body ul,
.markdown-body ol {
    margin: 4px 0 6px 18px;
    padding: 0;
}

.markdown-body li {
    margin: 0 0 4px 0;
    line-height: 1.55;
}

.markdown-body ul > li:last-child,
.markdown-body ol > li:last-child {
    margin-bottom: 0;
}

.markdown-body blockquote {
    margin: 10px 0;
    padding: 8px 12px;
    border-left: 4px solid #d0d7de;
    color: #57606a;
    background: #f6f8fa;
    border-radius: 0 6px 6px 0;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    overflow: hidden;
    border-radius: 6px;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid #e5e7eb;
    padding: 8px 10px;
    text-align: left;
}

.markdown-body th {
    background: #f6f8fa;
    font-weight: 600;
}

.markdown-body hr {
    border: none;
    border-top: 1px solid #e5e7eb;
    margin: 14px 0;
}

.markdown-body strong {
    font-weight: 700;
}

.markdown-body em {
    font-style: italic;
}

.markdown-body a {
    color: #0969da;
    text-decoration: underline;
}

.markdown-body code {
    background: rgba(175, 184, 193, 0.2);
    color: #c7254e;
    padding: 2px 6px;
    border-radius: 5px;
    font-family: Consolas, Monaco, monospace;
    font-size: 12px;
}

.markdown-body pre {
    background: #0d1117;
    color: #e6edf3;
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 10px 0;
}

.markdown-body pre code {
    background: transparent;
    padding: 0;
    color: #e6edf3;
    font-size: 12px;
}

.markdown-body input[type="checkbox"] {
    margin-right: 6px;
}

.markdown-body img {
    max-width: 100%;
    border-radius: 6px;
    margin: 8px 0;
}

.bot-message .message-content {
    background: #f4f4f4;
    color: #222;
    align-self: flex-start;
    min-height: 41px; /* 保证加载状态也和单行文字有相近的高度 */
}

.user-message .message-content {
    background: #222;
    color: #fff;
    align-self: flex-end;
}

.bot-message .message-time {
    align-self: flex-start;
}

.user-message .message-time {
    align-self: flex-end;
}

.message-time {
    font-size: 12px;
    color: #9b9b9b;
    margin-top: 6px;
}

.chat-toolbar {
    display: flex;
    justify-content: flex-end;
    padding: 10px 0 0;
}

.chat-input-area {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px 16px;
    background: #ffffff;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(23, 30, 42, 0.08);
    border: 1px solid rgba(228, 231, 235, 0.9);
    width: calc(100% - 40px);
    max-width: 860px;
    margin: 16px auto 20px;
    z-index: 2;
}

.chat-input-block {
    width: 100%;
}

.toolbar {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.action-toolbar-right {
    align-items: center;
    justify-content: flex-end;
}

.tool-pill {
    border: 1px solid rgba(34, 34, 34, 0.08);
    background: rgba(248, 249, 250, 0.95);
    color: #666;
    border-radius: 16px;
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.tool-pill:not([disabled]):hover {
    background: rgba(232, 233, 235, 0.9);
    border-color: rgba(34, 34, 34, 0.15);
    color: #333;
}

.tool-pill[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.chat-actions-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
}

.chat-input-container {
    display: flex;
    gap: 10px;
    align-items: center;
    flex: 1;
    min-width: 0;
    background: #f7f8fb;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    padding: 8px 12px;
}

.chat-input {
    width: 100%;
    border: none;
    background: transparent;
    border-radius: 0;
    padding: 10px 0;
    font-size: 14px;
    outline: none;
    color: #202124;
    line-height: 1.6;
}

input.chat-input {
    border: 1px solid #e6e6e6;
    background: #fff;
    border-radius: 10px;
    padding: 10px 12px;
    min-height: 40px;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.04);
}

input.chat-input:focus {
    border-color: #cfcfcf;
    box-shadow: 0 0 0 3px rgba(34, 34, 34, 0.06);
}

input.chat-input[type="file"] {
    padding: 8px 12px;
    cursor: pointer;
}

textarea.chat-input {
    min-height: 42px;
    max-height: 140px;
    resize: none;
    line-height: 1.6;
    overflow-y: auto;
    padding-right: 4px;
    width: 100%;
}

textarea.chat-input::-webkit-scrollbar {
    width: 7px;
}

textarea.chat-input::-webkit-scrollbar-track {
    background: transparent;
}

textarea.chat-input::-webkit-scrollbar-thumb {
    background: rgba(97, 97, 97, 0.24);
    border-radius: 999px;
}

textarea.chat-input {
    scrollbar-width: thin;
    scrollbar-color: rgba(97, 97, 97, 0.24) transparent;
}

.chat-input:focus {
    border-color: #cfcfcf;
}

.send-btn {
    background: #222;
    color: #fff;
    border: none;
    padding: 10px 14px;
    border-radius: 6px;
    cursor: pointer;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.input-send-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    padding: 0;
    min-width: 46px;
    background: #9ca3af;
    color: #fff;
    box-shadow: none;
    transition: background 0.2s ease, transform 0.2s ease;
    align-self: flex-end;
}

.input-send-btn.active {
    background: #111;
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.16);
}

.input-send-btn.active:hover {
    transform: translateY(-1px);
}

.input-send-btn:hover {
    background: #9ca3af;
}

.input-send-btn.generating,
.input-send-btn.generating:hover {
    background: #dc3545;
    box-shadow: 0 10px 18px rgba(220, 53, 69, 0.22);
}

.send-icon {
    font-size: 18px;
    line-height: 1;
}

.send-btn:disabled,
.input-send-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.delete-doc-btn {
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

/* loading dots */
.loading { display:none; justify-content:center; gap:6px; padding:10px; }
.inline-loading { display:flex; align-items:center; justify-content:center; gap:6px; height: 100%; min-height: 21px; }
.dot { width:6px; height:6px; border-radius:50%; background:#888; animation: bounce 1.2s infinite; }

.user-management-container {
    display: flex;
    flex-direction: column;
    padding: 20px 20px;
}

.user-management-loading {
    text-align: center;
    color: #666;
    padding: 40px;
}

.user-management-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 10px 0;
}

/* 技能/工具 列表卡片与「待新增的可用技能」卡片共用 */
.user-management-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 10px;
    padding: 16px 18px;
}

.user-management-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.user-management-table th,
.user-management-table td {
    border-bottom: 1px solid #eee;
    padding: 10px 12px;
    text-align: left;
    font-size: 14px;
}

.user-management-table th {
    background: #f8f9fa;
    color: #444;
    font-weight: 600;
}

.user-management-table tr:last-child td {
    border-bottom: none;
}

/* 技能/工具 启用滑块开关（一键启用/禁用） */
.st-enable-switch {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 22px;
    vertical-align: middle;
    cursor: pointer;
}

.st-enable-switch .st-enable-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
    z-index: 1;
}

.st-enable-slider {
    position: absolute;
    inset: 0;
    background: #ccc;
    border-radius: 999px;
    transition: background 0.2s;
    pointer-events: none;
}

.st-enable-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    top: 2px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s;
}

.st-enable-input:checked + .st-enable-slider {
    background: #28a745;
}

.st-enable-input:checked + .st-enable-slider::before {
    transform: translateX(20px);
}

.st-enable-input:disabled + .st-enable-slider {
    opacity: 0.6;
}

/* 技能/工具 在线/离线状态徽章（与 AI 环境已注册列表匹配） */
.st-status-badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 12px;
    line-height: 1.5;
    white-space: nowrap;
}

.st-status-online {
    background: #e6f7ee;
    color: #1a7f4d;
}

.st-status-offline {
    background: #f3f4f6;
    color: #9ca3af;
}

.user-role-badge {
    display: inline-block;
    padding: 4px 8px;
    margin: 2px 4px 2px 0;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: #2563eb;
    background: #e8f0ff;
    border: 1px solid #cfe0ff;
}

.user-role-badge.admin {
    color: #991b1b;
    background: #fee2e2;
    border-color: #fecaca;
}

.user-role-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.user-role-option {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid #d9d9d9;
    border-radius: 999px;
    font-size: 13px;
    color: #333;
    background: #fff;
    cursor: pointer;
}

.user-role-option input {
    cursor: pointer;
}

.user-role-option.active {
    background: #e8f0ff;
    border-color: #cfe0ff;
    color: #2563eb;
}

.user-management-actions {
    margin-top: 12px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.user-action-group {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    flex-wrap: nowrap;
}

.user-action-group button {
    white-space: nowrap;
    word-break: keep-all;
}

.user-role-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    padding: 20px;
}

.user-role-modal-card {
    width: min(560px, 100%);
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    padding: 18px 20px 20px;
}

.user-role-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 15px;
    font-weight: 600;
    color: #222;
}

.user-role-modal-close {
    border: none;
    background: transparent;
    font-size: 22px;
    color: #666;
    cursor: pointer;
}

.user-role-modal-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.user-role-modal-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
}

.user-role-modal-footer .send-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@keyframes bounce { 0%,80%,100%{ transform:scale(0.8); opacity:0.6 } 40%{ transform:scale(1); opacity:1 } }

/* 智能体V2 生成中指示器 */
.generating-dot {
    display: inline-block;
    width: 8px; height: 8px;
    background: #6366f1;
    border-radius: 50%;
    margin-right: 4px;
    animation: generating-pulse 0.8s ease-in-out infinite;
}
@keyframes generating-pulse {
    0%, 100% { opacity: 0.3; transform: scale(0.7); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* responsive */
@media (max-width: 800px) {
    .app-layout { flex-direction: column; margin: 12px; }
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 85vh;
        overflow-y: auto;
        background: #fff;
        z-index: 100;
        box-shadow: 0 12px 28px rgba(0,0,0,0.16);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 220ms ease, opacity 220ms ease, visibility 220ms ease;
        display: flex;
        flex-direction: column;
    }
    body.sidebar-open .sidebar {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .sidebar-toggle-btn { display: inline-flex; }
    .conversations { display:none; }
    .auth-panel { margin-top: 0; padding-top: 0; border-top: none; margin-left: auto; min-width: 180px; }
    .login-form { flex-direction: row; align-items: center; }
    .auth-input { min-width: 0; }
}

@media (max-width: 600px) {
    .app-layout { margin: 0; }
    .sidebar { flex-direction: column; align-items: stretch; gap: 10px; padding: 12px; }
    .sidebar .logo { margin-bottom: 0; }
    .auth-panel { margin-left: 0; min-width: 0; }
    .login-form { flex-direction: column; align-items: stretch; }
    .auth-input { width: 100%; }

    .main-panel { padding: 0 12px; }
    .main-panel > div { width: 100%; max-width: 100%; margin: 0; }
    .main-header { padding: 14px 10px; }

    .chat-messages { padding: 16px 10px; }
    .chat-input-area { width: 100%; max-width: 100%; margin: 16px 0 20px; }
    .chat-actions-row { flex-wrap: nowrap; gap: 10px; }
    .toolbar { width: auto; justify-content: flex-start; }
    .action-toolbar-right { margin-left: auto; }
    .input-send-btn { align-self: center; }
}

.kb-container {
    display: flex;
    flex-direction: column;
    padding: 20px 20px;
}

.kb-loading {
    text-align: center;
    color: #666;
    padding: 40px;
}

.kb-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 10px 0;
}

.kb-item {
    background: #ffffff;
    border: 1px solid #eaeaea;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    transition: transform 0.2s, box-shadow 0.2s;
}

.kb-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.kb-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #f0f0f0;
    font-size: 13px;
    color: #888;
}

.delete-doc-btn {
    margin-left: 16px;
    background-color: #ffe6e6;
    color: #ff4d4f;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
}

.delete-doc-btn:hover {
    background-color: #ff4d4f;
    color: #ffffff;
    border-color: #ff4d4f;
}

.kb-item-id {
    font-weight: 600;
    color: #444;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.kb-item-id::before {
    content: "🏷️";
}

.kb-item-docid {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f5f5f5;
    padding: 4px 10px;
    border-radius: 12px;
    color: #666;
}

.kb-item-content {
    font-size: 14px;
    color: #333;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    background: #fafafa;
    padding: 12px 16px;
    border-radius: 8px;
    border-left: 3px solid #ccc;
}

/* Toast 通知样式 */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
    pointer-events: none;
}

.toast {
    min-width: 250px;
    background-color: #333;
    color: #fff;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.success {
    background-color: #28a745;
}

.toast.error {
    background-color: #dc3545;
}

.toast.info {
    background-color: #17a2b8;
}

/* 模态框内的标签栏 */
.modal-tabs {
    display: flex;
    gap: 8px;
    background: #f0f0f0;
    padding: 4px;
    border-radius: 6px;
}

.tab-btn {
    border: none;
    background: transparent;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    color: #666;
    transition: all 0.2s;
}

.tab-btn.active {
    background: #fff;
    color: #222;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    font-weight: 500;
}

/* Markdown 预览内容基本排版 */
.markdown-body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #24292e;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
}
.markdown-body h1 { font-size: 1.8em; border-bottom: 1px solid #eaecef; padding-bottom: 0.3em; }
.markdown-body h2 { font-size: 1.5em; border-bottom: 1px solid #eaecef; padding-bottom: 0.3em; }
.markdown-body h3 { font-size: 1.25em; }
.markdown-body p, .markdown-body blockquote, .markdown-body ul, .markdown-body ol, .markdown-body dl, .markdown-body table, .markdown-body pre {
    margin-top: 0;
    margin-bottom: 16px;
}
.markdown-body blockquote {
    padding: 0 1em;
    color: #6a737d;
    border-left: 0.25em solid #dfe2e5;
}
.markdown-body ul, .markdown-body ol {
    padding-left: 2em;
}
.markdown-body code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    color: #c7254e;
    background-color: rgba(27,31,35,0.05);
    border-radius: 3px;
    font-family: "Consolas", monospace;
}
.markdown-body pre {
    padding: 16px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.45;
    color: #e6edf3;
    background-color: #0d1117;
    border-radius: 8px;
}
.markdown-body pre code {
    padding: 0;
    color: #e6edf3;
    background-color: transparent;
}

/* 知识库表格样式 */
.kb-table-container {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    margin-bottom: 24px;
}

.kb-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.kb-table th, .kb-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #eee;
    vertical-align: top;
}

.kb-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #444;
    font-size: 14px;
}

.kb-table td {
    color: #333;
    font-size: 14px;
    line-height: 1.5;
}

.kb-table tr:last-child td {
    border-bottom: none;
}

.kb-content-summary {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    color: #555;
}

.kb-content-full {
    display: none;
}

.kb-content-wrapper.expanded .kb-content-summary {
    display: none;
}

.kb-content-wrapper.expanded .kb-content-full {
    display: block;
}

.expand-toggle-btn {
    background: none;
    border: none;
    color: #0066cc;
    cursor: pointer;
    font-size: 12px;
    padding: 4px 0 0 0;
}

.expand-toggle-btn:hover {
    text-decoration: underline;
}

/* Modal Styles (重写用于长文本弹窗) */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

/* 阅读弹窗置顶：可能从预览包弹窗(packPreviewModal, DOM 靠后)中打开，
   同 z-index 1000 时会被其覆盖，故单独抬高层级 */
#readDocumentModal {
    z-index: 1200;
}

.modal-content {
    background-color: #fefefe;
    border-radius: 12px;
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 18px;
    color: #333;
}

.close-modal {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close-modal:hover {
    color: #333;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.kb-container {
    display: flex;
    flex-direction: column;
}

/* ===== 标签徽章 / 状态徽章 / 标签勾选（文档标签、文档包、订阅管理） ===== */

.tag-badge {
    display: inline-block;
    background: #eef2ff;
    color: #4a5bd0;
    border: 1px solid #d5dcf7;
    border-radius: 4px;
    padding: 2px 8px;
    margin: 2px 4px 2px 0;
    font-size: 12px;
    line-height: 1.5;
    white-space: nowrap;
}

.status-badge {
    display: inline-block;
    border-radius: 10px;
    padding: 2px 12px;
    font-size: 12px;
    line-height: 1.6;
    font-weight: 600;
}

.status-badge.on {
    background: #e6f7e6;
    color: #1a7f37;
    border: 1px solid #b5e5c0;
}

.status-badge.off {
    background: #fdf0e9;
    color: #b3592c;
    border: 1px solid #f0cdb8;
}

.tag-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    margin: 4px 0;
    border: 1px solid #eee;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: #333;
    transition: background-color .15s ease;
}

.tag-check:hover {
    background: #f7f8fa;
}

.tag-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #4a5bd0;
    cursor: pointer;
}

#tagEditInput,
#packEditName,
#packEditPass,
#packEditDesc,
#subscribePackIdInput {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
    margin-top: 4px;
}

#tagEditInput:focus,
#packEditName:focus,
#packEditPass:focus,
#packEditDesc:focus,
#subscribePackIdInput:focus {
    outline: none;
    border-color: #4a5bd0;
    box-shadow: 0 0 0 2px rgba(74, 91, 208, .12);
}

/* ===== 知识库二级页签（文档 / 标签 / 文档包 / 我的订阅） ===== */

.view-tabs {
    display: flex;
    gap: 4px;
    padding: 0 16px;
    background: #fafafa;
    border-bottom: 1px solid #e5e7eb;
    flex-shrink: 0;
}

.view-tab {
    position: relative;
    padding: 10px 18px;
    font-size: 14px;
    color: #666;
    background: transparent;
    border: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color .15s ease, border-color .15s ease;
    white-space: nowrap;
}

.view-tab:hover {
    color: #222;
    background: #f1f2f4;
    border-radius: 6px 6px 0 0;
}

.view-tab.active {
    color: #4a5bd0;
    font-weight: 600;
    border-bottom-color: #4a5bd0;
}

.kb-tab-panel {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    width: 100%;
}

/* ============================================================
   嵌入模式（作为 iframe / AI 小工具嵌入其他网站）
   触发：URL 带 ?embed=1，或检测到页面处于 iframe 中
   效果：隐藏侧边栏，紧凑顶栏（图标切换 对话/设置），压缩留白
   ============================================================ */
.embed-header-actions { display: none; }

html[data-embed="true"] .sidebar { display: none !important; }
html[data-embed="true"] .app-layout { height: 100vh; height: 100dvh; margin: 0; }
html[data-embed="true"] .main-panel { width: 100%; max-width: 100%; margin: 0; padding: 0; }

/* 紧凑顶栏：标题 + 用户名 + 图标按钮 */
html[data-embed="true"] .main-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
}
html[data-embed="true"] .main-header h3 { font-size: 14px; }
html[data-embed="true"] .sidebar-toggle-btn { display: none !important; }
html[data-embed="true"] .embed-header-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}
html[data-embed="true"] .embed-username {
    font-size: 12px;
    color: #888;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.embed-icon-btn {
    border: 1px solid #e6e6e6;
    background: #fafafa;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1;
    padding: 6px 9px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}
.embed-icon-btn:hover { background: #f0f0f0; }
.embed-icon-btn.active { background: #222; border-color: #222; }

/* 聊天区：压缩留白、自适应顶栏高度 */
html[data-embed="true"] #agentV4View { height: calc(100dvh - 42px) !important; }
html[data-embed="true"] .chat-messages { padding: 12px max(12px, calc((100% - 760px) / 2)); gap: 6px; }
html[data-embed="true"] .chat-input-area {
    width: calc(100% - 24px);
    max-width: 800px;
    margin: 10px auto 12px;
    padding: 10px 12px;
    gap: 8px;
}
html[data-embed="true"] .tool-pill { padding: 6px 10px; font-size: 12px; }

/* 登录卡片：嵌入下更紧凑 */
html[data-embed="true"] .login-card { padding: 22px 20px; }
html[data-embed="true"] .login-card h1 { font-size: 18px; }

/* ============================================================
   可爱化主题：博客智能体「小潜」🌸
   粉色系配色 + 圆角气泡 + 头像 + 入场动画（blog-web 专用）
   ============================================================ */

/* ---- 全局底色：樱花粉→淡紫渐变 ---- */
body {
    background: linear-gradient(160deg, #fff5f7 0%, #fdf2ff 55%, #eff6ff 100%);
}

/* ---- 顶栏：白色圆角卡片感 + 🌸 前缀 ---- */
.main-header {
    background: linear-gradient(90deg, #fff7fa, #fffdfd);
    border-bottom: 1px solid #ffe1ea;
}
.main-header h3::before { content: '🌸 '; }

/* ---- 侧边栏（普通模式） ---- */
.sidebar { border-right-color: #ffe1ea; }
.sidebar .logo::before { content: '🌸 '; }
.conv-item { border-radius: 10px; transition: background 0.15s ease; }
.conv-item:hover { background: #fff0f5; }
.conv-item.active { background: #ffe4ee; color: #d63384; font-weight: 600; }
.sidebar-foot { color: #e8a3bb; }

/* ---- 聊天消息：圆角气泡 + 小潜头像 + 入场动画 ---- */
@keyframes msgPop {
    from { opacity: 0; transform: translateY(6px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.message { animation: msgPop 0.22s ease-out; }

.bot-message { position: relative; }
.bot-message .message-content {
    background: #fff;
    border: 1px solid #ffd9e5;
    border-radius: 16px 16px 16px 4px;
    box-shadow: 0 2px 8px rgba(240, 130, 170, 0.10);
    margin-left: 36px;
}
/* 小潜头像（挂在气泡左下角） */
.bot-message::before {
    content: '潜';
    position: absolute;
    left: 0;
    bottom: 22px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffe3ee, #ffd0e2);
    border: 1px solid #ffc3d8;
    color: #d63384;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(240, 130, 170, 0.22);
    box-sizing: border-box;
    z-index: 1;
}
.bot-message .message-time { margin-left: 36px; }

.user-message .message-content {
    background: linear-gradient(135deg, #ff9db8, #f87ea6);
    color: #fff;
    border-radius: 16px 16px 4px 16px;
    box-shadow: 0 2px 8px rgba(248, 126, 166, 0.28);
}

.message-time { color: #d9a3b5; }

/* 加载中三个点变粉色 */
.inline-loading .dot { background: #f87ea6 !important; }

/* ---- 输入区：圆角胶囊 + 粉色聚焦 + 渐变发送键 ---- */
.chat-input-area {
    border: 1px solid #ffd9e5;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 6px 20px rgba(240, 130, 170, 0.12);
}
.chat-input {
    border-radius: 14px !important;
}
.chat-input:focus { border-color: #fba8c4 !important; box-shadow: 0 0 0 3px rgba(251, 168, 196, 0.18); }
.input-send-btn {
    background: linear-gradient(135deg, #ff9db8, #f87ea6) !important;
    border: none !important;
    box-shadow: 0 3px 10px rgba(248, 126, 166, 0.35) !important;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.input-send-btn:hover { transform: scale(1.08); box-shadow: 0 4px 14px rgba(248, 126, 166, 0.45) !important; }
.tool-pill {
    border-radius: 14px !important;
    border-color: #ffd9e5 !important;
    background: #fff5f8 !important;
    color: #c26d8b !important;
}
.tool-pill:not([disabled]):hover { background: #ffe9f1 !important; border-color: #fba8c4 !important; color: #d63384 !important; }

/* ---- 滚动条 ---- */
.chat-messages { scrollbar-color: rgba(248, 126, 166, 0.35) transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(248, 126, 166, 0.35); border-radius: 8px; }

/* ---- 登录页：粉色渐变卡片 ---- */
.login-card {
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #ffd9e5;
    box-shadow: 0 12px 40px rgba(240, 130, 170, 0.18);
}
.login-logo::before { content: '🌸 '; }
.login-btn {
    background: linear-gradient(135deg, #ff9db8, #f87ea6);
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(248, 126, 166, 0.3);
}
.login-btn:hover { filter: brightness(1.05); }
.auth-btn.secondary { border-radius: 12px; background: #fff0f5; color: #c26d8b; }
.auth-btn.secondary:hover { background: #ffe4ee; }
.auth-input { border-radius: 12px; border-color: #ffd9e5; }
.auth-input:focus { border-color: #fba8c4; }

/* ---- 嵌入模式联动：图标按钮/用户名也萌化 ---- */
html[data-embed="true"] .embed-username { color: #d63384; }
html[data-embed="true"] .embed-icon-btn {
    border-color: #ffd9e5;
    background: #fff5f8;
    border-radius: 10px;
}
html[data-embed="true"] .embed-icon-btn:hover { background: #ffe9f1; }
html[data-embed="true"] .embed-icon-btn.active {
    background: linear-gradient(135deg, #ff9db8, #f87ea6);
    border-color: transparent;
}

/* ---- 输入框文字粉粉的：正文、光标、占位符 ---- */
.chat-input {
    color: #d63384;
    caret-color: #f87ea6;
}
.chat-input::placeholder { color: #eba7bd; }

/* ---- 最小展示宽度：保证设置卡片（最大内容块）完整显示 ----
   设置卡片 max-width 420px + 容器左右 padding 40px = 460px；
   视口/iframe 宽于此值时正常铺满，窄于时出横向滚动而非压缩内容 */
.app-layout { min-width: 460px; }
.login-page { min-width: 460px; }

/* ---- 主按钮统一粉渐变（登录键已单独覆盖，此处兜底其余 .auth-btn） ---- */
.auth-btn:not(.secondary) {
    background: linear-gradient(135deg, #ff9db8, #f87ea6);
    box-shadow: 0 3px 10px rgba(248, 126, 166, 0.3);
}
.auth-btn:not(.secondary):hover { filter: brightness(1.05); }

/* ---- 修复：气泡宽度自适应容器，长代码块在气泡内横向滚动而非被截断 ---- */
.bot-message .message-content,
.user-message .message-content {
    max-width: min(720px, 100%);
    min-width: 0;
}
/* bot 气泡有头像让位的 margin-left:36px，上限需扣除，否则会顶出容器 */
.bot-message .message-content {
    max-width: min(720px, calc(100% - 36px));
    overflow-x: hidden;
}
.markdown-body pre {
    max-width: 100%;
    border-radius: 10px;
}
.markdown-body table {
    display: block;
    overflow-x: auto;
    max-width: 100%;
}