/* 基础容器样式 */
.tree-container {
    color: #e0e0e0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    padding: 8px;
}

/* 树形结构基础样式 */
.tree-node-list,
.tree-container ul.tree-node-list {
    list-style: none;
    list-style-type: none;
    margin: 0;
    padding-left: 0;
}

.tree-node-list ul {
    padding-left: 16px;
    position: relative;
}

.tree-node-list ul::before {
    background: #333;
    border-left: 1px dashed #444;
    bottom: 0;
    content: "";
    left: 8px;
    position: absolute;
    top: 0;
    width: 1px;
}

.tree-node-item {
    margin-bottom: 4px;
    position: relative;
}

.tree-children {
    margin-top: 4px;
    transition: all 0.2s ease-in-out;
}

/* 树节点包装器样式 */
.tree-node-wrapper {
    align-items: center;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    padding: 6px 8px;
    transition: background-color 0.2s ease-in-out;
    user-select: none;
}

.tree-node-wrapper:hover {
    background-color: #2a2a2a;
}

/* 树形图标样式 */
.tree-toggle-icon {
    color: #888;
    cursor: pointer;
    font-size: 12px;
    margin-right: 8px;
    transition: transform 0.2s ease-in-out;
    user-select: none;
}

.tree-toggle-icon.expanded {
    color: #bbb;
    transform: rotate(90deg);
}

.tree-article-icon,
.tree-link-icon {
    font-size: 14px;
    margin-right: 6px;
    transition: color 0.2s ease-in-out;
}

.tree-article-icon {
    color: #66afee;
}

.tree-link-icon {
    color: #3c9cf0;
}

.tree-node-wrapper:hover .tree-article-icon {
    color: #88caff;
}

.tree-node-wrapper:hover .tree-link-icon {
    color: #008cff;
}

.tree-node-label {
    flex: 1;
    font-size: 14px;
    transition: color 0.2s ease-in-out;
}

/* 文件列表样式 */
.file-list-container {
    padding: 8px;
}

.file-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.file-item {
    align-items: center;
    background-color: #1e1e1e;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    padding: 10px 12px;
    transition: background-color 0.2s ease-in-out;
}

.file-item:hover {
    background-color: #2a2a2a;
}

.file-info-container {
    display: flex;
    align-items: center;
    flex: 1;
}

.file-preview-container {
    margin-right: 12px;
    width: 40px;
    height: 40px;
    overflow: hidden;
    border-radius: 4px;
    flex-shrink: 0;
}

.file-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

.file-preview-img:hover {
    transform: scale(1.1);
}

.file-text-container {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.file-title {
    color: #e0e0e0;
    font-size: 14px;
    margin-bottom: 4px;
}

.file-type {
    color: #888;
    font-size: 12px;
}

.file-meta-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-left: 12px;
}

.file-time {
    color: #888;
    font-size: 12px;
    margin-bottom: 8px;
}

.file-action-container {
    display: flex;
    gap: 8px;
}

.file-action-button {
    background-color: transparent;
    border: none;
    border-radius: 4px;
    color: #888;
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    transition: all 0.2s ease-in-out;
}

.file-action-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
}

.delete-button:hover {
    color: #ff5555;
}

/* 上传按钮和分页设置样式 */
.upload-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding: 0 8px;
}

.page-size-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-size-label {
    color: #888;
    font-size: 14px;
}

.page-size-select {
    background-color: #2a2a2a;
    border: 1px solid #444;
    border-radius: 4px;
    color: #e0e0e0;
    cursor: pointer;
    font-size: 14px;
    padding: 4px 8px;
    transition: all 0.2s ease-in-out;
}

.page-size-select:hover, .page-size-select:focus {
    border-color: #666;
    outline: none;
}

.upload-button {
    align-items: center;
    background-color: #2a2a2a;
    border: none;
    border-radius: 4px;
    color: #e0e0e0;
    cursor: pointer;
    display: flex;
    font-size: 14px;
    gap: 8px;
    padding: 8px 12px;
    transition: background-color 0.2s ease-in-out;
}

.upload-button:hover {
    background-color: #3a3a3a;
}

/* 图片预览模态框样式 */
.image-preview-modal {
    background-color: rgba(0, 0, 0, 0.85);
}

.image-preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    max-width: 90vw;
}

.image-preview-title {
    color: #fff;
    font-size: 18px;
    margin-bottom: 12px;
    text-align: center;
}

.image-preview-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 16px;
    width: 100%;
}

.image-info-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: #ccc;
    font-size: 12px;
    margin: 0 6px 6px 0;
    padding: 4px 8px;
}

.image-preview-img {
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    max-height: 80vh;
    max-width: 100%;
    object-fit: contain;
}

/* 分页控件样式 */
.pagination-container {
    align-items: center;
    display: flex;
    justify-content: center;
    margin-top: 16px;
}

.pagination-button {
    background-color: #2a2a2a;
    border: none;
    border-radius: 4px;
    color: #e0e0e0;
    cursor: pointer;
    margin: 0 8px;
    padding: 6px 12px;
    transition: background-color 0.2s ease-in-out;
}

.pagination-button:hover {
    background-color: #3a3a3a;
}

.pagination-info {
    color: #888;
    font-size: 14px;
}

/* 图标样式 */
.tree-link-icon svg,
.tree-article-icon.inline-icon svg {
    cursor: pointer;
    height: 12px;
    margin-left: 4px;
    vertical-align: middle;
    width: 12px;
}

/* 文章浏览模态框样式 */
.browse-articles-modal {
    margin: 0 auto;
    max-width: 800px;
}

.browse-articles-modal .browse-article-item {
    border-bottom: 1px solid var(--background-modifier-border);
    padding: 1rem;
    transition: background-color 0.2s;
}

.browse-articles-modal .browse-article-item:hover {
    background-color: var(--background-secondary);
}

.browse-articles-modal .article-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.browse-articles-modal .article-title .download-icon {
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    margin-left: 1rem;
}

.browse-articles-modal .article-title a {
    color: var(--text-link);
    text-decoration: none;
}

.browse-articles-modal .article-date {
    color: var(--text-muted);
    font-size: 0.9em;
}

/* 分页样式 */
.browse-articles-modal .pagination {
    align-items: center;
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.browse-articles-modal .pagination button {
    background-color: var(--background-primary);
    border: 1px solid var(--background-modifier-border);
    border-radius: var(--radius);
    color: var(--text-normal);
    cursor: pointer;
    padding: 0.4rem 0.8rem;
    transition: all 0.2s;
}

.browse-articles-modal .pagination button:hover:not(:disabled) {
    background-color: var(--interactive-accent);
    border-color: var(--interactive-accent);
    color: var(--background-primary);
}

.browse-articles-modal .pagination button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.browse-articles-modal .no-articles {
    color: var(--text-muted);
    padding: 2rem;
    text-align: center;
}

/* 预览弹窗样式 */
.preview-popup {
    background-color: var(--background-secondary);
    border: 1px solid var(--background-modifier-border);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    color: var(--text-normal);
    font-size: 0.9em;
    max-width: 300px;
    padding: 0.75rem 1rem;
    position: absolute;
    transition: opacity 0.2s ease-in-out;
    word-break: break-word;
    z-index: 9999;
}

.preview-popup::after {
    border-color: transparent transparent var(--background-secondary) transparent;
    border-style: solid;
    border-width: 0 6px 6px 6px;
    content: "";
    left: 16px;
    position: absolute;
    top: -6px;
}

/* 文章预览模态框样式 */
.article-preview-modal {
    max-height: 80vh;
    max-width: 80vw;
    opacity: 1;
    overflow: auto;
    transform: scale(1);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.article-preview-modal.fade-enter {
    opacity: 0;
    transform: scale(0.95);
}

.article-preview-modal.fade-enter-active {
    opacity: 1;
    transform: scale(1);
}

.article-preview-modal.fade-exit {
    opacity: 1;
    transform: scale(1);
}

.article-preview-modal.fade-exit-active {
    opacity: 0;
    transform: scale(0.95);
}

/* 标签容器样式 */
.tab-container {
    align-items: center;
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.tab-container .selected {
    background: var(--background-modifier-hover);
}

.tab-span {
    background: var(--background-secondary);
    border-radius: 4px;
    cursor: pointer;
    padding: 4px 8px;
}

.tab-span:hover {
    background: var(--background-modifier-hover);
}

.tab-span.active {
    background: var(--background-modifier-active);
}