/* --------------------------------------------------------------------------------

 * Copyright (c) 2025 Huawei Technologies Co., Ltd.

 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of

 * CANN Open Software License Agreement Version 2.0 (the "License").

 * Please refer to the License for details. You may not use this file except in compliance with the License.

 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,

 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

 * See LICENSE in the root of the software repository for the full text of the License.

 * -------------------------------------------------------------------------------- */



/**

 * Custom styles for navigation

 * 

 * - Hide +/- buttons in page content (TOC)

 * - Keep +/- buttons in left sidebar navigation

 * - Fix +/- button logic (+ = collapsed, - = expanded)

 */



/* 隐藏页面内容中的 +/- 按钮（目录中的展开/收起按钮） */

.rst-content .toctree-expand,

.document .toctree-expand,

article .toctree-expand,

.section .toctree-expand {

    display: none !important;

}



/* 确保左侧导航栏的 +/- 按钮仍然显示 */

.wy-menu-vertical .toctree-expand {

    display: inline-block !important;

}



/* 如果页面内容中有嵌套的目录列表，也隐藏其展开按钮 */

.rst-content .toctree-wrapper .toctree-expand {

    display: none !important;

}



/* 修正 +/- 按钮的显示逻辑 */

/* 使用 JavaScript 设置的 data-expanded 属性来判断展开/收起状态 */



/* 隐藏按钮的原始内容 */

.wy-menu-vertical button.toctree-expand {

    font-size: 0;

    width: auto;

    min-width: 20px;

    cursor: pointer;

    background: transparent;

    border: none;

    padding: 0;

    margin-right: 4px;

}



/* 默认状态（收起）：显示 + */

.wy-menu-vertical button.toctree-expand::before {

    content: "+";

    font-size: 14px;

    font-weight: bold;

    display: inline-block;

}



/* 展开状态（data-expanded="true"）：显示 - */

.wy-menu-vertical button.toctree-expand[data-expanded="true"]::before {

    content: "-";

}



/* 备用方案：根据父元素的 current 类来判断 */

.wy-menu-vertical li.toctree-l1.current > a > button.toctree-expand::before {

    content: "-";

}



/* 确保按钮可点击 */

.wy-menu-vertical button.toctree-expand:hover {

    opacity: 0.7;

}