/* --- sidebar.css --- */
/* 侧边导航栏相关样式 */

.sidebar {
    width: 280px;
    background-color: transparent;
    padding: var(--spacing-md) 0;
    box-shadow: none;
    border-radius: 0;
    margin: 0 0 var(--spacing-md) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    height: calc(100vh - 80px); /* 减去header高度 */
    overflow-y: auto; /* 允许垂直滚动 */
    overflow-x: hidden; /* 禁止水平滚动 */
    position: sticky;
    top: 0;
    transition: all 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
    border: none;
    border-top: 1px solid rgba(246, 138, 78, 0.2);
    background: transparent;
    /* 隐藏滚动条但允许滚动 */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.sidebar:hover {
    box-shadow: none;
    transform: none;
}

/* 美化滚动条 */
.sidebar::-webkit-scrollbar {
    width: 0;
    background: transparent;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: transparent;
    border: none;
}

.nav-item {
    padding: var(--spacing-sm) var(--spacing-lg);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border-radius: var(--radius-sm);
    margin: 0.25rem var(--spacing-md);
    user-select: none; /* 防止文本被选中 */
    color: var(--text-color-medium);
    font-weight: 500;
    letter-spacing: 0.2px;
    display: flex;
    align-items: center;
    justify-content: flex-start; /* 文本左对齐 */
    box-shadow: none;
    text-align: left; /* 确保文本左对齐 */
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(to right, var(--primary-color-light), transparent);
    opacity: 0.3;
    transition: width 0.3s ease;
    z-index: -1;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.7);
    color: var(--primary-color-dark);
    transform: translateX(6px);
    box-shadow: none;
}

.nav-item:hover::before {
    width: 100%;
}

.nav-item:active {
    transform: scale(0.98) translateX(6px);
}

.nav-item.active {
    background-color: rgba(246, 138, 78, 0.15);
    color: var(--primary-color-dark);
    font-weight: 600;
    box-shadow: none;
    transform: translateX(8px);
    letter-spacing: 0.3px;
    position: relative;
}

/* 使用图标前缀增强视觉效果 */
.nav-item::after {
    content: '';
    display: none; /* 隐藏图标 */
    width: 0;
    height: 0;
    margin-right: 0;
    opacity: 0;
}

.nav-item:hover::after {
    opacity: 0;
    transform: none;
}

.nav-item.active::after {
    opacity: 0;
    transform: none;
    filter: none;
}

/* 为不同类型的导航项设置不同图标 - 已禁用 */
.nav-item[data-type="company"]::after,
.nav-item[data-type="department"]::after,
.nav-item[data-type="7s"]::after,
.nav-item[data-type="safety"]::after,
.nav-item[data-type="quality"]::after,
.nav-item[data-type="production"]::after,
.nav-item[data-type="equipment"]::after,
.nav-item[data-type="environment"]::after,
.nav-item[data-type="energy"]::after,
.nav-item[data-type="info"]::after,
.nav-item[data-type="other"]::after {
    background-image: none;
}

/* 活动项目的样式修改 */
.nav-item.active::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    height: 100%;
    width: 6px;
    background: var(--primary-color);
    animation: navIndicator 0.3s ease forwards;
    opacity: 0.7;
}

/* 移除装饰线 */
.sidebar::before {
    display: none;
}

/* 恢复原来的顶部装饰样式 */
.sidebar::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 0 var(--radius-md) 0 0;
    opacity: 0.5;
}

/* 响应式设计 - 中等屏幕设备 */
@media (max-width: 1200px) {
    .sidebar {
        width: 240px;
    }
}

/* 响应式设计 - 平板设备 */
@media (max-width: 992px) {
    .sidebar {
        width: 100%;
        order: 0;
        margin: 0 0 var(--spacing-md) 0;
        border-radius: 0;
        position: static;
        max-height: none;
        padding: var(--spacing-sm) 0 var(--spacing-md);
        overflow-x: auto;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        overflow-y: hidden;
        border-bottom: 1px solid var(--border-color-light);
        border-right: none;
        scrollbar-width: none;
        -ms-overflow-style: none;
        background: transparent;
    }
    
    .sidebar::-webkit-scrollbar {
        display: none;
    }
    
    .sidebar::before,
    .sidebar::after {
        display: none;
    }
    
    .nav-item {
        border-radius: var(--radius-md);
        margin: 0.3rem 0.4rem;
        padding: var(--spacing-sm) var(--spacing-md);
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .nav-item.active {
        transform: translateX(0) scale(1.05);
    }
    
    .nav-item:hover {
        transform: translateX(0) scale(1.05);
    }
    
    .nav-item.active::before {
        left: 0;
        bottom: -4px;
        top: auto;
        height: 4px;
        width: 100%;
        animation: navIndicatorHorizontal 0.3s ease forwards;
    }
}

/* 导航管理按钮 */
.nav-management-btn {
    width: 100%;
    padding: 10px 15px;
    margin-bottom: 15px;
    background-color: rgba(246, 138, 78, 0.1);
    color: var(--primary-color-dark);
    border: 1px dashed var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-management-btn:hover {
    background-color: rgba(246, 138, 78, 0.2);
    transform: translateY(-2px);
}

/* 编辑模式相关样式 */
body:not(.edit-mode) .nav-management-btn {
    display: none !important;
} 

/* 导航拖拽相关样式 */
body.edit-mode .nav-item[draggable="true"] {
    cursor: grab;
    position: relative;
}

body.edit-mode .nav-item[draggable="true"]::before {
    content: '≡';
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

body.edit-mode .nav-item[draggable="true"]:hover::before {
    opacity: 1;
}

body.edit-mode .nav-item.dragging {
    opacity: 0.8;
    transform: scale(1.02);
    z-index: 100;
    cursor: grabbing;
    background-color: rgba(246, 138, 78, 0.15);
}

body.edit-mode .nav-item.drag-over {
    border: 2px dashed var(--primary-color);
    background-color: rgba(246, 138, 78, 0.1);
}

/* 添加箭头指示拖动方向（仅在编辑模式下显示） */
body.edit-mode .nav-item::after {
    content: '⇅';
    display: inline-block;
    position: absolute;
    right: 10px;
    font-size: 1rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

body.edit-mode .nav-item:hover::after {
    opacity: 0.6;
}

/* 响应式调整 */
@media (max-width: 992px) {
    body.edit-mode .nav-item[draggable="true"]::before {
        left: 3px;
        font-size: 1rem;
    }
    
    body.edit-mode .nav-item::after {
        right: 5px;
        font-size: 0.9rem;
    }
} 

/* 二级菜单容器样式 */
.nav-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    margin-left: var(--spacing-lg);
    background: transparent;
    position: relative;
    z-index: 2;
}

.nav-submenu.expanded {
    max-height: none;
    transition: max-height 0.3s ease-in;
}

.nav-item-wrapper {
    background: transparent;
    position: relative;
}

.nav-submenu .nav-item {
    font-size: 0.95em;
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 0.15rem var(--spacing-md);
    background: transparent;
    position: relative;
    z-index: 2;
}

/* 添加展开/收起指示器 */
.nav-item.has-submenu::after {
    content: '▸';
    position: absolute;
    right: var(--spacing-md);
    transition: transform 0.3s ease;
    background: transparent;
}

.nav-item.has-submenu.active::after {
    transform: rotate(90deg);
}

/* 响应式设计 - 平板设备 */
@media (max-width: 992px) {
    .nav-submenu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: transparent;
        z-index: 1000;
    }
    
    .nav-submenu .nav-item {
        margin: 0.15rem;
        padding: var(--spacing-sm) var(--spacing-md);
        background: transparent;
    }
} 

/* 内容区域样式 */
.content {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    overflow-x: hidden;
    height: calc(100vh - 80px);
    position: relative;
    background: transparent;
    scrollbar-width: thin;
    scrollbar-color: rgba(246, 138, 78, 0.2) transparent;
}

.content::-webkit-scrollbar {
    width: 6px;
    background: transparent;
}

.content::-webkit-scrollbar-track {
    background: transparent;
}

.content::-webkit-scrollbar-thumb {
    background-color: rgba(246, 138, 78, 0.2);
    border-radius: 3px;
}

/* 高亮效果 */
.business-group-title.highlight {
    animation: highlight 2s ease-out;
}

@keyframes highlight {
    0% {
        background-color: rgba(246, 138, 78, 0.2);
    }
    100% {
        background-color: transparent;
    }
}

/* 确保容器不会产生额外的滚动条 */
.container {
    display: flex;
    height: calc(100vh - 80px);
    overflow: hidden;
    background: transparent;
}

/* 响应式布局调整 */
@media (max-width: 992px) {
    .content {
        height: calc(100vh - 160px); /* 考虑移动端header和导航的高度 */
    }
    
    .nav-submenu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: transparent;
        z-index: 1000;
    }
}