/* ==========================================================
   assets/css/admin.css
   管理面板专用样式
   ========================================================== */

/* 重置默认样式 */
*, *:before, *:after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

.admin-body {
    background: #f5f7fa;
    font-family: 'Arimo', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    color: #333;
    min-height: 100%;
}

/* ----------------------------------------------------------
   顶部导航栏
   ---------------------------------------------------------- */
.admin-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: #fff;
    border-bottom: 1px solid #e4ecf3;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    -webkit-box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.admin-navbar-left {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
}

.admin-logo {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    text-decoration: none;
    margin-right: 12px;
}

.admin-logo img {
    height: 28px;
    width: auto;
}

.admin-title {
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
    border-left: 1px solid #e4ecf3;
    padding-left: 12px;
    margin-left: 4px;
}

.admin-navbar-right {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
}

.admin-back-link {
    color: #5a7fa8;
    text-decoration: none;
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid #dde3ec;
    background: #f5f7fa;
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}

.admin-back-link:hover {
    background: #e8eef5;
    color: #2c3e50;
    text-decoration: none;
}

.admin-back-link i {
    margin-right: 4px;
}

/* ----------------------------------------------------------
   主体布局
   ---------------------------------------------------------- */
.admin-container {
    display: -webkit-flex;
    display: flex;
    margin-top: 50px;
    min-height: calc(100vh - 50px);
    -webkit-align-items: flex-start;
    align-items: flex-start;
}

/* ----------------------------------------------------------
   左侧标签页导航
   ---------------------------------------------------------- */
.admin-sidebar {
    width: 180px;
    min-width: 180px;
    background: #fff;
    border-right: 1px solid #e4ecf3;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
    position: fixed;
    top: 50px;
    left: 0;
    bottom: 0;
    height: calc(100vh - 50px);
    overflow-y: auto;
    z-index: 999;
}

.admin-tabs {
    list-style: none;
    margin: 0;
    padding: 8px 0;
}

.admin-tab {
    margin: 0;
    padding: 0;
}

.admin-tab a {
    display: block;
    height: 44px;
    line-height: 44px;
    padding: 0 16px;
    color: #5a6a7a;
    text-decoration: none;
    font-size: 13px;
    border-left: 3px solid transparent;
    -webkit-transition: background 0.15s, color 0.15s, border-color 0.15s;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-tab a:hover {
    background: #f0f4f8;
    color: #2c3e50;
    text-decoration: none;
}

.admin-tab.active a {
    background: #f0f4f8;
    color: #2980b9;
    border-left-color: #2980b9;
    font-weight: 600;
}

/* ----------------------------------------------------------
   右侧内容区
   ---------------------------------------------------------- */
.admin-content {
    -webkit-flex: 1;
    flex: 1;
    padding: 24px;
    background: #f5f7fa;
    min-width: 0;
    margin-left: 180px;
}

/* 面板默认隐藏 */
.admin-panel {
    display: none;
}

.admin-panel.active {
    display: block;
}

/* 占位提示 */
.panel-placeholder {
    text-align: center;
    padding: 80px 20px;
    color: #a0aab4;
}

.panel-placeholder i {
    display: block;
    margin-bottom: 16px;
}

.panel-placeholder p {
    font-size: 15px;
    margin: 0;
}

/* ----------------------------------------------------------
   响应式：移动端左侧 tab 折叠为顶部横向滚动
   ---------------------------------------------------------- */
@media (max-width: 767px) {
    .admin-container {
        -webkit-flex-direction: column;
        flex-direction: column;
    }

    .admin-sidebar {
        position: static;
        width: 100%;
        min-width: 0;
        height: auto;
        border-right: none;
        border-bottom: 1px solid #e4ecf3;
        overflow-x: auto;
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
        z-index: auto;
    }

    .admin-content {
        margin-left: 0;
        padding: 16px;
    }

    .admin-tabs {
        display: -webkit-flex;
        display: flex;
        -webkit-flex-direction: row;
        flex-direction: row;
        padding: 0;
        white-space: nowrap;
    }

    .admin-tab {
        -webkit-flex-shrink: 0;
        flex-shrink: 0;
    }

    .admin-tab a {
        border-left: none;
        border-bottom: 3px solid transparent;
        height: 40px;
        line-height: 40px;
        padding: 0 14px;
    }

    .admin-tab.active a {
        border-left-color: transparent;
        border-bottom-color: #2980b9;
    }
}

/* ----------------------------------------------------------
   分类管理工具栏
   ---------------------------------------------------------- */
.cat-toolbar {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    margin-bottom: 16px;
    padding: 10px 16px;
    background: #fff;
    border-radius: 6px;
    border: 1px solid #e4ecf3;
    -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.cat-toolbar-left {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    font-size: 13px;
    color: #5a6a7a;
}

.cat-source-label strong {
    color: #2c3e50;
}

/* ----------------------------------------------------------
   分类树容器
   ---------------------------------------------------------- */
.category-tree-wrap {
    background: #fff;
    border-radius: 6px;
    border: 1px solid #e4ecf3;
    -webkit-box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    overflow: hidden;
}

.cat-list {
    padding: 4px 0;
}

.cat-loading,
.cat-empty {
    padding: 40px;
    text-align: center;
    color: #a0aab4;
    font-size: 14px;
}

/* ----------------------------------------------------------
   一级分类行
   ---------------------------------------------------------- */
.cat-item-top {
    border-bottom: 1px solid #f0f4f8;
}

.cat-item-top:last-child {
    border-bottom: none;
}

.cat-item-row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    height: 48px;
    padding: 0 16px;
    -webkit-transition: background 0.15s;
    transition: background 0.15s;
}

.cat-item-top > .cat-item-row:hover {
    background: #f8fafc;
}

.cat-item-icon {
    width: 28px;
    font-size: 16px;
    color: #5a7fa8;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

.cat-item-name {
    -webkit-flex: 1;
    flex: 1;
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cat-item-meta {
    margin-right: 8px;
}

.cat-badge {
    display: inline-block;
    padding: 2px 8px;
    background: #eef2f7;
    color: #7a8fa8;
    border-radius: 10px;
    font-size: 11px;
    white-space: nowrap;
}

/* ----------------------------------------------------------
   操作按钮组
   ---------------------------------------------------------- */
.cat-item-actions {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 4px;
    opacity: 0;
    -webkit-transition: opacity 0.15s;
    transition: opacity 0.15s;
}

.cat-item-row:hover .cat-item-actions {
    opacity: 1;
}

.cat-btn {
    display: inline-block;
    width: 26px;
    height: 26px;
    line-height: 26px;
    text-align: center;
    border: 1px solid #dde3ec;
    border-radius: 4px;
    background: #fff;
    color: #7a8fa8;
    cursor: pointer;
    font-size: 11px;
    padding: 0;
    -webkit-transition: background 0.15s, color 0.15s, border-color 0.15s;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.cat-btn:hover {
    background: #f0f4f8;
    color: #2c3e50;
    border-color: #b8c8d8;
}

.cat-btn-del:hover {
    background: #fdf0f0;
    color: #e74c3c;
    border-color: #f5c6c6;
}

.cat-btn[disabled],
.cat-btn-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* ----------------------------------------------------------
   二级分类行
   ---------------------------------------------------------- */
.cat-children {
    background: #f8fafc;
    border-top: 1px solid #f0f4f8;
}

.cat-item-sub .cat-item-row {
    height: 40px;
    padding-left: 40px;
}

.cat-item-sub .cat-item-row:hover {
    background: #f0f4f8;
}

.cat-item-sub .cat-item-name {
    font-size: 13px;
    font-weight: 400;
    color: #4a5a6a;
}

.cat-item-sub {
    border-bottom: 1px solid #edf1f6;
}

.cat-item-sub:last-child {
    border-bottom: none;
}

/* ----------------------------------------------------------
   图标选择器
   ---------------------------------------------------------- */
.icon-picker {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
}

.icon-option {
    margin: 0;
    cursor: pointer;
}

.icon-option input[type="radio"] {
    display: none;
}

.icon-preview {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 2px solid #dde3ec;
    border-radius: 6px;
    background: #f8fafc;
    font-size: 16px;
    color: #5a7fa8;
    -webkit-transition: border-color 0.15s, background 0.15s;
    transition: border-color 0.15s, background 0.15s;
}

.icon-option input[type="radio"]:checked + .icon-preview {
    border-color: #2980b9;
    background: #eaf4fb;
    color: #2980b9;
}

.icon-option:hover .icon-preview {
    border-color: #a0b8d0;
    background: #f0f4f8;
}

/* ----------------------------------------------------------
   书签管理 — 分类区块
   ---------------------------------------------------------- */
#bookmark-list {
    margin-top: 0;
}

.bm-loading,
.bm-empty {
    padding: 40px;
    text-align: center;
    color: #a0aab4;
    font-size: 14px;
}

.bm-block {
    background: #fff;
    border-radius: 6px;
    border: 1px solid #e4ecf3;
    -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    margin-bottom: 12px;
    overflow: hidden;
}

/* 分类区块标题行 */
.bm-block-header {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    height: 44px;
    padding: 0 16px;
    background: #f8fafc;
    border-bottom: 1px solid #e4ecf3;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    -webkit-transition: background 0.15s;
    transition: background 0.15s;
}

.bm-block-header:hover {
    background: #f0f4f8;
}

.bm-block-title {
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
}

.bm-toggle-icon {
    margin-right: 6px;
    font-size: 11px;
    color: #7a8fa8;
    -webkit-transition: -webkit-transform 0.15s;
    transition: transform 0.15s;
}

.bm-block-right {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 8px;
}

.bm-count {
    font-size: 12px;
    color: #7a8fa8;
    background: #eef2f7;
    padding: 2px 8px;
    border-radius: 10px;
}

/* ----------------------------------------------------------
   书签行
   ---------------------------------------------------------- */
.bm-site-list {
    padding: 0;
}

.bm-site-empty {
    padding: 16px 20px;
    color: #a0aab4;
    font-size: 13px;
}

.bm-site-row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    height: 48px;
    padding: 0 16px;
    border-bottom: 1px solid #f0f4f8;
    -webkit-transition: background 0.12s;
    transition: background 0.12s;
}

.bm-site-row:last-child {
    border-bottom: none;
}

.bm-site-row:hover {
    background: #f8fafc;
}

/* logo 图片：32px 轻微圆角（4px）
   圆角选项：border-radius
   - 50% = 圆形
   - 0 = 完全直角（无圆角）
   - 4px/6px = 轻微圆角（推荐）
   - 8px = 中等圆角
*/
.bm-site-logo {
    width: 36px;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
}

.bm-site-logo img {
    width: 32px;
    height: 32px;
    border-radius: 0;
    object-fit: cover;
    background: #f0f4f8;
}

.bm-logo-fallback {
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
}

/* 书签名称 */
.bm-site-name {
    width: 160px;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
    font-size: 13px;
    font-weight: 600;
    color: #2c3e50;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-left: 10px;
}

/* URL（截断） */
.bm-site-url {
    -webkit-flex: 1;
    flex: 1;
    font-size: 12px;
    color: #7a8fa8;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin: 0 12px;
}

/* 操作按钮组 */
.bm-site-actions {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 4px;
    opacity: 0;
    -webkit-transition: opacity 0.15s;
    transition: opacity 0.15s;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

.bm-site-row:hover .bm-site-actions {
    opacity: 1;
}

.bm-btn {
    display: inline-block;
    width: 26px;
    height: 26px;
    line-height: 26px;
    text-align: center;
    border: 1px solid #dde3ec;
    border-radius: 4px;
    background: #fff;
    color: #7a8fa8;
    cursor: pointer;
    font-size: 11px;
    padding: 0;
    -webkit-transition: background 0.15s, color 0.15s, border-color 0.15s;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.bm-btn:hover {
    background: #f0f4f8;
    color: #2c3e50;
    border-color: #b8c8d8;
}

.bm-btn[data-action="del-site"]:hover {
    background: #fdf0f0;
    color: #e74c3c;
    border-color: #f5c6c6;
}

.bm-btn[disabled],
.bm-btn-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* 书签 Modal — Logo 输入行 */
.bm-logo-input-row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 8px;
}
.bm-logo-input-row .form-control {
    -webkit-flex: 1;
    flex: 1;
}

/* Logo 选择器网格 */
.logo-pick-item {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    -webkit-align-items: center;
    align-items: center;
    width: 72px;
    padding: 6px 4px;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    -webkit-transition: border-color 0.15s, background 0.15s;
    transition: border-color 0.15s, background 0.15s;
    text-align: center;
}
.logo-pick-item:hover {
    border-color: #2980b9;
    background: #eaf4fb;
}
.logo-pick-item span {
    display: block;
    margin-top: 4px;
    font-size: 10px;
    color: #7a8fa8;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
    text-align: center;
}

/* ----------------------------------------------------------
   导入/导出面板
   ---------------------------------------------------------- */

/* 数据源状态栏（任务13） */
.ie-source-bar {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: #fff;
    border-radius: 6px;
    border: 1px solid #e4ecf3;
    margin-bottom: 16px;
    font-size: 13px;
    color: #5a6a7a;
    -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.ie-source-bar strong {
    color: #2c3e50;
}

.ie-source-hint {
    color: #e67e22;
    font-size: 12px;
}

.ie-source-hint i {
    margin-right: 4px;
}

/* 各区块白色卡片 */
.ie-block {
    background: #fff;
    border-radius: 6px;
    border: 1px solid #e4ecf3;
    padding: 16px 20px;
    margin-bottom: 16px;
    -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

/* 区块标题 */
.ie-block-title {
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid #f0f4f8;
}

/* 区块说明文字 */
.ie-block-desc {
    font-size: 13px;
    color: #7a8fa8;
    margin-bottom: 12px;
}

/* 结果提示区域 */
.ie-result {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 13px;
}

.ie-result-ok {
    background: #eafaf1;
    color: #27ae60;
    border: 1px solid #a9dfbf;
}

.ie-result-err {
    background: #fdf0f0;
    color: #e74c3c;
    border: 1px solid #f5c6c6;
}

/* JSON textarea 等宽字体 */
.ie-textarea {
    width: 100%;
    margin-top: 10px;
    margin-bottom: 10px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    color: #2c3e50;
    background: #f8fafc;
    border: 1px solid #dde3ec;
    border-radius: 4px;
    padding: 10px;
    resize: vertical;
    display: block;
}

.ie-textarea:focus {
    outline: none;
    border-color: #2980b9;
    background: #fff;
}

/* ----------------------------------------------------------
   OSS 配置 & 同步面板样式
   ---------------------------------------------------------- */

/* 按钮行 */
.oss-btn-row {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

/* 同步状态行 */
.sync-status-row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid #f0f4f8;
    font-size: 13px;
}

.sync-status-row:last-child {
    border-bottom: none;
}

.sync-status-label {
    width: 90px;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
    color: #7a8fa8;
    font-size: 12px;
}

/* 自动同步配置行 */
.sync-config-row {
    margin-bottom: 12px;
}

.sync-toggle-label {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    cursor: pointer;
    font-size: 13px;
    color: #2c3e50;
}

.sync-toggle-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

/* 快速添加书签 */
.quick-add-row {
    display: -webkit-flex;
    display: flex;
    gap: 8px;
}
.quick-add-row .form-control {
    -webkit-flex: 1;
    flex: 1;
}
.quick-add-preview-row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 10px;
}
.quick-add-preview-info {
    -webkit-flex: 1;
    flex: 1;
}

/* 防止 Bootstrap Modal 开关时 body padding-right 导致页面抖动 */
body.modal-open {
    overflow: hidden;
    padding-right: 0 !important;
}

/* ----------------------------------------------------------
   Tab Copy 导入 — 预览列表
   ---------------------------------------------------------- */
.tab-copy-preview-list {
    max-height: 240px;
    overflow-y: auto;
    border: 1px solid #e4ecf3;
    border-radius: 4px;
    margin-bottom: 10px;
    background: #f8fafc;
}

.tab-copy-preview-item {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    padding: 6px 12px;
    border-bottom: 1px solid #f0f4f8;
    font-size: 13px;
}

.tab-copy-preview-item:last-child {
    border-bottom: none;
}

.tab-copy-preview-item.skipped {
    color: #a0aab4;
    font-style: italic;
}

.tab-copy-preview-name {
    -webkit-flex: 1;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #2c3e50;
    margin-right: 8px;
}

.tab-copy-preview-url {
    -webkit-flex: 1;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #7a8fa8;
    font-size: 12px;
}

.tab-copy-preview-skip-label {
    color: #e67e22;
    font-size: 11px;
    white-space: nowrap;
    margin-left: 8px;
}

/* Tab Copy 导入 — 分类选择行 */
.tab-copy-import-row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    margin-top: 8px;
}

/* ----------------------------------------------------------
   导出到浏览器 — 数据源选择行
   ---------------------------------------------------------- */
.be-source-row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: #f8fafc;
    border-radius: 4px;
    margin-bottom: 12px;
    font-size: 13px;
}

.be-source-row strong {
    color: #2c3e50;
}

/* 操作按钮行 */
.be-action-row {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

/* 分类树容器 */
.be-tree-container {
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid #e4ecf3;
    border-radius: 4px;
    background: #fff;
    padding: 8px;
}

.be-loading,
.be-empty {
    padding: 40px;
    text-align: center;
    color: #a0aab4;
    font-size: 13px;
}

/* 分类行 */
.be-category-row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    padding: 6px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
    -webkit-transition: background 0.15s;
    transition: background 0.15s;
}

.be-category-row:hover {
    background: #f8fafc;
}

.be-category-row.be-level-1 {
    font-weight: 600;
    color: #2c3e50;
}

.be-category-row.be-level-2 {
    padding-left: 28px;
    font-size: 13px;
    color: #4a5a6a;
}

.be-toggle-icon {
    margin-right: 8px;
    font-size: 12px;
    color: #7a8fa8;
    cursor: pointer;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
    width: 16px;
    text-align: center;
    -webkit-transition: -webkit-transform 0.15s, color 0.15s;
    transition: transform 0.15s, color 0.15s;
}

.be-toggle-icon:hover {
    color: #2c3e50;
}

.be-toggle-icon.collapsed {
    -webkit-transform: rotate(-90deg);
    transform: rotate(-90deg);
}

.be-toggle-placeholder {
    display: inline-block;
    width: 16px;
    margin-right: 8px;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

.be-category-checkbox {
    margin-right: 10px;
    cursor: pointer;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

.be-category-name {
    -webkit-flex: 1;
    flex: 1;
    cursor: pointer;
}

.be-category-count {
    font-size: 11px;
    color: #7a8fa8;
    background: #eef2f7;
    padding: 2px 6px;
    border-radius: 10px;
    margin-right: 8px;
}

/* 书签列表 */
.be-site-list {
    padding-left: 48px;
    margin-top: 4px;
    margin-bottom: 8px;
}

.be-site-row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    padding: 4px 8px;
    border-radius: 4px;
    margin-bottom: 2px;
    font-size: 12px;
    -webkit-transition: background 0.15s;
    transition: background 0.15s;
}

.be-site-row:hover {
    background: #f8fafc;
}

.be-site-checkbox {
    margin-right: 8px;
    cursor: pointer;
}

/* 导出到浏览器 — logo 圆角选项：50%=圆形 / 0=直角 / 4px-6px=轻微 / 8px=中等 */
.be-site-logo {
    width: 20px;
    height: 20px;
    border-radius: 4px; /* 当前：轻微圆角 */
    object-fit: cover;
    margin-right: 8px;
    background: #f0f4f8;
}

.be-site-name {
    -webkit-flex: 1;
    flex: 1;
    color: #2c3e50;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.be-site-url {
    max-width: 200px;
    color: #7a8fa8;
    font-size: 11px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-left: 8px;
}


/* ----------------------------------------------------------
   缓存管理样式
   ---------------------------------------------------------- */

/* 缓存列表容器 */
.cache-list {
    margin-top: 12px;
}

/* 缓存项 */
.cache-item {
    background: #fff;
    border: 1px solid #e4e9f0;
    border-radius: 4px;
    padding: 12px 16px;
    margin-bottom: 10px;
    transition: all 0.2s ease;
}

.cache-item:hover {
    border-color: #a0b4c8;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* 缓存项头部 */
.cache-item-header {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    margin-bottom: 8px;
}

/* 缓存项 key */
.cache-item-key {
    -webkit-flex: 1;
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    font-weight: 600;
    color: #2c3e50;
}

/* 缓存项大小 */
.cache-item-size {
    font-size: 12px;
    color: #a0aab4;
    margin-right: 12px;
}

/* 缓存项删除按钮 */
.cache-item-delete {
    background: transparent;
    border: none;
    color: #e74c3c;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 14px;
    transition: all 0.2s ease;
}

.cache-item-delete:hover {
    color: #c0392b;
    background: #fef5f5;
    border-radius: 3px;
}

/* 缓存项描述 */
.cache-item-desc {
    font-size: 12px;
    color: #7c8a9e;
    margin-bottom: 6px;
    line-height: 1.5;
}

/* 缓存项预览 */
.cache-item-preview {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    color: #95a5a6;
    background: #f8fafc;
    padding: 8px 10px;
    border-radius: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border: 1px solid #ecf0f5;
}

/* 加载状态 */
.cache-loading {
    text-align: center;
    padding: 40px 20px;
    color: #a0aab4;
    font-size: 14px;
}

/* 空状态 */
.cache-empty {
    text-align: center;
    padding: 40px 20px;
    color: #a0aab4;
    font-size: 14px;
}