/**
 * 菜单样式 (menu.css)
 * 新的菜单样式，简洁高效，包含移动端侧边栏
 */

/* 主菜单容器 */
.main-menu-container {
    flex: 1;
    min-width: 0;
    position: relative;
}

/* 主菜单 */
.main-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
}

/* 一级菜单项 */
.main-menu > .nav-item {
    position: relative;
    margin: 0 2px;
}

/* 菜单链接 */
.nav-link {
    display: flex;
    align-items: center;
    padding: 5px;
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
}

/* 菜单图标 */
.nav-link i {
    color: var(--primary-yellow);
    margin-right: 0;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

/* 菜单文本 */
.nav-link .nav-text {
    opacity: 0.9;
    white-space: nowrap;
    overflow: hidden;
    transition: all 0.2s ease;
    margin-left: 0;
}

/* 悬停时显示文本 */
.nav-item:hover .nav-link .nav-text,
.nav-item.active .nav-link .nav-text {
    /* margin-left: 5px; */
    opacity: 1;
}

/* 悬停效果 */
.nav-item:hover > .nav-link {
    background-color: var(--primary-yellow);
    color: var(--yellow-dark-text);
    transform: translateY(-2px);
    box-shadow: 0 5px 0 var(--yellow-dark-text);
}

/* 悬停时图标颜色 */
.nav-item:hover > .nav-link i {
    color: var(--yellow-dark-text);
}

/* 当前活动菜单项 */
.nav-item.active > .nav-link {
    background-color: var(--primary-yellow);
    color: var(--yellow-dark-text);
}

.nav-item.active > .nav-link i {
    color: var(--yellow-dark-text);
}

/* 下拉指示器 */
.submenu-indicator {
    font-size: 0.7rem;
    margin-left: 3px;
    transition: transform 0.3s ease;
}

.nav-item:hover > .nav-link .submenu-indicator {
    transform: rotate(180deg);
}

/* 子菜单 */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    min-width: 180px;
    z-index: 100;
    padding: 5px;
    margin-top: 5px;
    border: 1px solid var(--light-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    list-style: none;
}

/* 显示子菜单 */
.nav-item:hover > .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 二级菜单项 */
.submenu .nav-item {
    margin: 2px 0;
}

.submenu .nav-link {
    padding: 8px 12px;
    color: var(--dark-text);
    border-radius: var(--radius-md);
    justify-content: flex-start;
}

.submenu .nav-link i {
    color: var(--primary-blue);
}

.submenu .nav-item:hover > .nav-link {
    background-color: var(--primary-yellow);
    color: var(--yellow-dark-text);
    border-color: var(--primary-yellow);
    transform: translateY(-2px);
    box-shadow: 0 5px 0 var(--yellow-dark-text);
}

.submenu .nav-item.active > .nav-link {
    background-color: var(--primary-yellow);
    color: var(--yellow-dark-text);
}

.submenu .nav-item.active > .nav-link i {
    color: var(--yellow-dark-text);
}

/* 移动端菜单按钮和搜索按钮 */
.mobile-menu-button,
.mobile-search-button {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    margin-right: 10px;
}

/* 移动端侧边栏容器 */
.mobile-sidebar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
}

/* 侧边栏遮罩层 */
.sidebar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* 移动端侧边栏 */
.mobile-sidebar {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background-color: var(--white);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    pointer-events: auto;
    z-index: 1;
}

.mobile-sidebar.active {
    transform: translateX(0);
}

/* 侧边栏头部 */
.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--light-border);
    background-color: var(--primary-blue);
    color: var(--white);
}

.sidebar-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.close-sidebar {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
}

/* 侧边栏内容 */
.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
}

/* 移动端菜单样式 */
.mobile-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu .nav-item {
    margin-bottom: 10px;
}

.mobile-menu .nav-link {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    color: var(--dark-text);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
    background-color: var(--light-bg);
}

.mobile-menu .nav-link i {
    color: var(--primary-blue);
    margin-right: 10px;
    font-size: 1.1rem;
}

.mobile-menu .nav-item.active > .nav-link {
    background-color: var(--primary-yellow);
    color: var(--yellow-dark-text);
}

.mobile-menu .nav-item.active > .nav-link i {
    color: var(--yellow-dark-text);
}

.mobile-menu .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 20px;
    margin: 5px 0 0 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-menu .nav-item.has-submenu.active > .submenu {
    max-height: 500px;
}

.mobile-menu .submenu .nav-link {
    padding: 8px 15px;
    background-color: transparent;
}

/* 搜索侧边栏样式 */
.search-sidebar .sidebar-content {
    padding: 20px;
}

.search-sidebar .search-form {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.search-sidebar .search-form input[type="search"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-border);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    margin-bottom: 15px;
}

.search-sidebar .search-form button {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.search-sidebar .search-form button:hover {
    background-color: var(--dark-blue);
}

/* 响应式样式 */
@media (min-width: 571px) {
    /* 桌面版显示 */
    .desktop-menu,
    .desktop-search {
        display: block;
    }

    /* 移动版隐藏 */
    .mobile-only {
        display: none;
    }
}

@media (max-width: 768px) and (min-width: 571px) {
    .main-menu {
        flex-wrap: wrap;
    }

    .nav-link {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .nav-link i {
        font-size: 0.9rem;
    }

    /* 在中等屏幕上，默认只显示图标 */
    .nav-link .nav-text {
        max-width: 0;
        opacity: 0;
        overflow: hidden;
    }

    /* 悬停时显示文本 */
    .nav-item:hover .nav-link .nav-text,
    .nav-item.active .nav-link .nav-text {
        max-width: 100px;
        opacity: 1;
        /* margin-left: 5px; */
    }
}

@media (max-width: 570px) {
    /* 桌面版隐藏 */
    .desktop-menu,
    .desktop-search {
        display: none;
    }

    /* 移动版显示 */
    .mobile-only {
        display: block;
    }

    /* 调整顶部导航栏 */
    .main-nav {
        justify-content: flex-end;
    }

    .user-menu {
        display: flex;
        align-items: center;
    }

    .mobile-menu-button,
    .mobile-search-button {
        display: block;
    }
}