/**
 * 知识库管理器 - 白色卡片风格
 */

/* 外层容器 - 直接占满，与大模型对话一致 */
.dataset-manager-wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fff;
    overflow: hidden;
    border-radius: 0.5rem;
}

/* 卡片容器 - 无边框阴影，直接融入 */
.dataset-manager-card {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    background: #fff;
    overflow: hidden;
}

/* 加载状态 */
.dataset-loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 16px;
}

.dataset-loading-state .loading-text {
    color: #666;
    font-size: 14px;
}

/* Spin 组件主题色 */
.dataset-loading-state .ant-spin .ant-spin-dot-item,
.dataset-loading .ant-spin .ant-spin-dot-item {
    background-color: rgb(0 104 74);
}

/* 错误状态 */
.dataset-error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 40px;
    text-align: center;
}

.dataset-error-state .error-icon {
    font-size: 48px;
    color: #ff4d4f;
    margin-bottom: 16px;
}

.dataset-error-state h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 8px 0;
}

.dataset-error-state p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* 内容区域 */
.dataset-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    padding: 24px;
    overflow: hidden;
}

/* 头部区域 */
.dataset-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    padding-bottom: 16px;
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 16px;
}

.dataset-header h1 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
}

.dataset-header-actions {
    display: flex;
    gap: 12px;
}

/* 工具栏 */
.document-list-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    margin-bottom: 16px;
}

.document-list-search {
    width: 280px;
}

.document-list-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 表格容器 - 唯一滚动区域 */
.document-table-container {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.document-table {
    background: transparent;
}

.document-table .ant-table-wrapper,
.document-table .ant-table,
.document-table .ant-table-container {
    background: transparent;
}

/* 固定表头 */
.document-table .ant-table-thead > tr > th {
    background: #fafafa;
    font-weight: 600;
    font-size: 13px;
    color: #1a1a1a;
    padding: 8px 12px !important;
    position: sticky;
    top: 0;
    z-index: 10;
}

/* 压缩行高 */
.document-table .ant-table-tbody > tr > td {
    padding: 6px 12px !important;
    font-size: 13px;
}

.document-table .ant-table-tbody > tr:hover > td {
    background: #f5f7f9;
}

/* 固定底部分页器 */
.document-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-top: 1px solid #f0f0f0;
    flex-shrink: 0;
    background: #fff;
}

.pagination-total {
    color: #666;
    font-size: 14px;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pagination-info {
    color: #666;
    font-size: 14px;
}

/* 空状态 */
.dataset-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 60px 40px;
    color: #999;
}

/* 加载状态 */
.dataset-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 16px;
}

/* 响应式 */
@media (max-width: 991px) {
    .dataset-content {
        padding: 16px;
    }

    .dataset-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .dataset-header-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .document-list-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .document-list-search {
        width: 100%;
    }

    .document-list-actions {
        justify-content: space-between;
    }
}

@media (max-width: 576px) {
    .dataset-content {
        padding: 12px;
    }

    .dataset-header h1 {
        font-size: 16px;
    }
}