/**
 * KNN-文档导航 页面样式（自包含）
 * 左栏手风琴+ 右栏搜索/列表
 */

/* 双栏布局 */
.knn-docnav-page .docnav-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.knn-docnav-page .docnav-left {
    width: 33.33%;
    flex-shrink: 0;
}

.knn-docnav-page .docnav-right {
    flex: 1;
    min-width: 0;
}

/* 左栏手风琴 */
.knn-docnav-page .dosc-nav {
    padding: 10px;
    border-radius: var(--knn-border-radius);
    border: 1px solid var(--knn-border-color);
    background: var(--knn-bg-color-card);
}

.knn-docnav-page .panel-title {
    margin: 0;
    font-size: 14px;
    font-weight: normal;
}

.knn-docnav-page .panel-toggle {
    display: block;
    padding: 8px 10px;
    border-radius: 3px;
    color: var(--knn-text-color);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.knn-docnav-page .panel-toggle:hover {
    background: var(--knn-bg-color);
    color: var(--knn-color-primary);
}

.knn-docnav-page .panel-toggle .fa-angle-right {
    transition: transform .2s;
}

.knn-docnav-page .panel-toggle:not(.collapsed) .fa-angle-right {
    transform: rotate(90deg);
}

/* 折叠容器（不依赖 bootstrap：collapse 隐藏 / collapse.in 展开） */
.knn-docnav-page .panel-collapse.collapse {
    display: none;
}

.knn-docnav-page .panel-collapse.collapse.in {
    display: block;
}

.knn-docnav-page .panel-collapse > .category {
    padding-left: 14px;
    border-left: 1px dashed var(--knn-border-color);
    margin-left: 12px;
}

/* 叶子分类 */
.knn-docnav-page .cat-load {
    display: block;
    padding: 7px 10px;
    border-radius: 3px;
    color: var(--knn-text-color);
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.knn-docnav-page .cat-load:hover,
.knn-docnav-page .cat-load.active {
    background: rgba(0, 122, 255, 0.08);
    color: var(--knn-color-primary);
}

.knn-docnav-page .docnav-empty {
    padding: 20px 10px;
    text-align: center;
}

/* 右栏搜索 */
.knn-docnav-page .document-search {
    position: relative;
    margin-bottom: 15px;
}

.knn-docnav-page .docnav-search-form {
    display: flex;
    border: 1px solid var(--knn-border-color);
    border-radius: var(--knn-border-radius);
    overflow: hidden;
    background: var(--knn-bg-color-card);
}

.knn-docnav-page .docnav-search-input {
    flex: 1;
    min-width: 0;
    padding: 10px 14px;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--knn-text-color);
}

.knn-docnav-page .docnav-search-but {
    padding: 0 20px;
    border: 0;
    cursor: pointer;
    background: var(--knn-color-primary);
    color: #fff;
}

.knn-docnav-page .docnav-search-but .icon {
    width: 1em;
    height: 1em;
    fill: currentColor;
    vertical-align: -0.125em;
}

/* 加载遮罩 */
.knn-docnav-page .search-loading {
    display: none;
    position: absolute;
    inset: 0;
    z-index: 1;
    align-items: center;
    justify-content: center;
    background: var(--knn-bg-color-card);
    border-radius: var(--knn-border-radius);
    color: var(--knn-text-color-grey, #999);
}

.knn-docnav-page .search-loading.is-show {
    display: flex;
}

/* 文章列表 */
.knn-docnav-page .list-group {
    border: 1px solid var(--knn-border-color);
    border-radius: var(--knn-border-radius);
    overflow: hidden;
    background: var(--knn-bg-color-card);
}

.knn-docnav-page .list-group-item {
    display: block;
    padding: 12px 15px;
    border-bottom: 1px solid var(--knn-border-color);
    color: var(--knn-text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.knn-docnav-page .list-group-item:last-child {
    border-bottom: 0;
}

.knn-docnav-page .list-group-item:hover {
    background: var(--knn-bg-color);
    color: var(--knn-color-primary);
}

.knn-docnav-page .list-group-item .badg {
    float: right;
    margin-left: 10px;
    padding: 1px 8px;
    border-radius: 3px;
    font-size: 12px;
    background: var(--knn-bg-color);
    color: var(--knn-text-color-grey, #999);
}

.knn-docnav-page .docnav-null {
    padding: 40px 0;
    text-align: center;
}

/* AJAX 分页 */
.knn-docnav-page .docnav-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.knn-docnav-page .docnav-pagination a,
.knn-docnav-page .docnav-pagination span {
    display: inline-block;
    min-width: 32px;
    padding: 5px 8px;
    text-align: center;
    border-radius: var(--knn-border-radius);
    border: 1px solid var(--knn-border-color);
    color: var(--knn-text-color);
    background: var(--knn-bg-color-card);
    font-size: 13px;
}

.knn-docnav-page .docnav-pagination a:hover {
    border-color: var(--knn-color-primary);
    color: var(--knn-color-primary);
}

.knn-docnav-page .docnav-pagination span.current {
    background: var(--knn-color-primary);
    border-color: var(--knn-color-primary);
    color: #fff;
}

.knn-docnav-page .docnav-pagination .docnav-page-dots {
    border: 0;
    background: transparent;
}

/* 页面正文模式 */
.knn-docnav-page .docnav-page-content {
    padding: 15px;
    border: 1px solid var(--knn-border-color);
    border-radius: var(--knn-border-radius);
    background: var(--knn-bg-color-card);
}

/* 移动端：双栏折行 */
@media screen and (max-width: 767px) {
    .knn-docnav-page .docnav-row {
        flex-direction: column;
    }

    .knn-docnav-page .docnav-left {
        width: 100%;
    }
}