.sidebar-menu-container {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.sidebar-menu {
    background: transparent !important;
    border: none;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-menu .ant-menu-item {
    margin: 0 !important;
    padding: 12px 20px !important;
    height: auto !important;
    line-height: 1.5 !important;
    transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transition: all 0.3s !important;
}

/* 菜单文本样式 - 加大字体并加粗 */
.sidebar-menu .ant-menu-item {
    font-size: 15px !important;
    font-weight: 600 !important;
}

.sidebar-menu .ant-menu-item .ant-menu-title-content {
    font-size: 15px !important;
    font-weight: 600 !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

/* hover状态 - 不缩进，只改变背景 */
.sidebar-menu .ant-menu-item:hover {
    background: rgba(255, 255, 255, 0.1) !important;
}

.sidebar-menu .ant-menu-item:hover .ant-menu-title-content {
    transform: translateX(0);
}

/* 选中状态 - 文本缩进 */
.sidebar-menu .ant-menu-item-selected {
    background: rgba(255, 255, 255, 0.2) !important;
    border-left: 3px solid white;
}

.sidebar-menu .ant-menu-item-selected .ant-menu-title-content {
    transform: translateX(8px);
}

.sidebar-menu .ant-menu-item-selected:hover {
    background: rgba(255, 255, 255, 0.25) !important;
}

.sidebar-menu .ant-menu-item-selected:hover .ant-menu-title-content {
    transform: translateX(8px);
}

/* 菜单分组标题 */
.sidebar-menu .ant-menu-item-group-title {
    padding: 12px 20px 8px !important;
    font-size: 12px !important;
    color: rgba(255, 255, 255, 0.7) !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    transition:
        opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-menu .menu-section-title .ant-menu-item-group-title {
    opacity: 1;
}

/* 折叠状态下隐藏分组标题 */
.sidebar-menu .ant-menu-item-group-title:empty {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

/* 分隔线 */
.sidebar-menu .ant-menu-item-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1) !important;
    margin: 8px 20px !important;
    border: none;
}

.sidebar-menu .menu-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1) !important;
    margin: 8px 20px !important;
    border: none;
}

/* 管理员功能区域动画 */
.sidebar-menu .admin-section {
    animation: fadeInDown 0.4s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 菜单项图标样式和动画 */
.sidebar-menu .ant-menu-item-icon {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 18px !important;
    display: inline-flex;
    align-items: center;
}

/* hover状态 - 图标不缩进，只轻微放大 */
.sidebar-menu .ant-menu-item:hover .ant-menu-item-icon {
    transform: scale(1.05);
}

/* 选中状态下图标也跟随文本缩进 */
.sidebar-menu .ant-menu-item-selected .ant-menu-item-icon {
    transform: translateX(8px);
}

.sidebar-menu .ant-menu-item-selected:hover .ant-menu-item-icon {
    transform: translateX(8px) scale(1.05);
}

/* 折叠状态下的样式调整 */
.sidebar-menu .ant-menu-item-group-title {
    transition: opacity 0.2s ease;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .sidebar-menu .ant-menu-item {
        padding: 14px 20px !important;
    }
}