/**
 * Navigation Submenu Enhanced Styles
 * 导航子菜单增强样式
 * 
 * 优化子菜单的展开方式，提升美观度和用户体验
 * 
 * @package Corporate_Theme
 * @since 1.0.0
 * @version 1.0
 */

/* ============================================
   子菜单基础样式 - 高优先级
   ============================================ */

/* 父菜单项标识 */
.primary-menu-container .menu-item-has-children > a::after {
    content: '\f347' !important; /* Dashicons 下箭头 */
    font-family: 'dashicons' !important;
    font-size: 16px !important;
    margin-left: 5px !important;
    transition: transform 0.3s ease !important;
    display: inline-block !important;
}

.primary-menu-container .menu-item-has-children:hover > a::after {
    transform: rotate(180deg) !important;
}

/* 子菜单容器 */
.primary-menu-container .sub-menu {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    min-width: 240px !important;
    background: #ffffff !important;
    border-radius: 8px !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12) !important;
    padding: 8px 0 !important;
    margin: 0 !important;
    list-style: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-10px) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    z-index: 1000 !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    display: flex !important;
    flex-direction: column !important;
}

/* 子菜单展开状态 */
.primary-menu-container .menu-item-has-children:hover > .sub-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

/* 子菜单项 */
.primary-menu-container .sub-menu li {
    position: relative !important;
    margin: 0 !important;
    padding: 0 !important;
    border-bottom: none !important;
    display: block !important;
    width: 100% !important;
}

.primary-menu-container .sub-menu a {
    display: block !important;
    width: 100% !important;
    padding: 12px 20px !important;
    color: #333333 !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    transition: all 0.2s ease !important;
    border-left: 3px solid transparent !important;
    white-space: nowrap !important;
    box-sizing: border-box !important;
}

.primary-menu-container .sub-menu a:hover {
    background: linear-gradient(90deg, rgba(0, 102, 204, 0.08) 0%, rgba(0, 102, 204, 0.02) 100%) !important;
    color: #0066cc !important;
    border-left-color: #0066cc !important;
    padding-left: 24px !important;
}

/* 当前页面的子菜单项 */
.primary-menu-container .sub-menu .current-menu-item > a,
.primary-menu-container .sub-menu .current_page_item > a {
    background: rgba(0, 102, 204, 0.05) !important;
    color: #0066cc !important;
    border-left-color: #0066cc !important;
}

/* ============================================
   多级子菜单（子菜单的子菜单）
   ============================================ */

/* 二级子菜单父项标识 */
.primary-menu-container .sub-menu .menu-item-has-children > a::after {
    content: '\f345' !important; /* Dashicons 右箭头 */
    font-family: 'dashicons' !important;
    font-size: 14px !important;
    float: right !important;
    margin-left: 10px !important;
    transition: transform 0.2s ease !important;
}

.primary-menu-container .sub-menu .menu-item-has-children:hover > a::after {
    transform: translateX(3px) !important;
}

/* 二级子菜单容器 */
.primary-menu-container .sub-menu .sub-menu {
    top: 0 !important;
    left: 100% !important;
    margin-left: 8px !important;
    transform: translateX(-10px) !important;
}

.primary-menu-container .sub-menu .menu-item-has-children:hover > .sub-menu {
    transform: translateX(0) !important;
}

/* ============================================
   子菜单分隔线（可选）
   ============================================ */

.primary-menu-container .sub-menu li:not(:last-child) {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
}

/* ============================================
   子菜单图标支持（如果有自定义图标）
   ============================================ */

.primary-menu-container .sub-menu .menu-item-icon {
    display: inline-block !important;
    width: 20px !important;
    height: 20px !important;
    margin-right: 8px !important;
    vertical-align: middle !important;
}

/* ============================================
   响应式设计 - 移动端
   ============================================ */

@media (max-width: 768px) {
    /* 移动端子菜单样式 */
    .primary-menu-container .sub-menu {
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        box-shadow: none !important;
        border: none !important;
        border-radius: 0 !important;
        background: rgba(0, 102, 204, 0.03) !important;
        padding: 0 !important;
        margin: 0 !important;
        display: none !important;
    }
    
    /* 移动端展开的子菜单 */
    .primary-menu-container .menu-item-has-children.active > .sub-menu {
        display: block !important;
    }
    
    /* 移动端子菜单项 */
    .primary-menu-container .sub-menu a {
        padding: 12px 20px 12px 40px !important;
        border-left: none !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
    }
    
    .primary-menu-container .sub-menu a:hover {
        padding-left: 44px !important;
    }
    
    /* 移动端二级子菜单 */
    .primary-menu-container .sub-menu .sub-menu a {
        padding-left: 60px !important;
    }
    
    .primary-menu-container .sub-menu .sub-menu a:hover {
        padding-left: 64px !important;
    }
    
    /* 移动端父菜单项箭头 */
    .primary-menu-container .menu-item-has-children > a::after {
        float: right !important;
        margin-left: auto !important;
        transform: rotate(0deg) !important;
    }
    
    .primary-menu-container .menu-item-has-children.active > a::after {
        transform: rotate(180deg) !important;
    }
    
    /* 移动端二级菜单箭头 */
    .primary-menu-container .sub-menu .menu-item-has-children > a::after {
        content: '\f347' !important; /* 下箭头 */
    }
}

/* ============================================
   平板端优化
   ============================================ */

@media (min-width: 769px) and (max-width: 1024px) {
    /* 平板端子菜单宽度调整 */
    .primary-menu-container .sub-menu {
        min-width: 220px !important;
    }
    
    .primary-menu-container .sub-menu a {
        font-size: 13px !important;
        padding: 10px 16px !important;
    }
}

/* ============================================
   无障碍支持
   ============================================ */

/* 键盘导航焦点样式 */
.primary-menu-container .sub-menu a:focus {
    outline: 2px solid #0066cc !important;
    outline-offset: -2px !important;
    background: rgba(0, 102, 204, 0.1) !important;
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
    .primary-menu-container .sub-menu,
    .primary-menu-container .sub-menu a,
    .primary-menu-container .menu-item-has-children > a::after {
        transition: none !important;
    }
    
    .primary-menu-container .menu-item-has-children:hover > .sub-menu {
        transform: none !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .primary-menu-container .sub-menu {
        border: 2px solid #000 !important;
    }
    
    .primary-menu-container .sub-menu a {
        border-left-width: 4px !important;
    }
}

/* ============================================
   特殊效果 - 子菜单淡入动画
   ============================================ */

/* 子菜单项逐个淡入 */
.primary-menu-container .menu-item-has-children:hover > .sub-menu li {
    animation: submenuFadeIn 0.3s ease forwards !important;
    opacity: 0 !important;
}

.primary-menu-container .menu-item-has-children:hover > .sub-menu li:nth-child(1) {
    animation-delay: 0.05s !important;
}

.primary-menu-container .menu-item-has-children:hover > .sub-menu li:nth-child(2) {
    animation-delay: 0.1s !important;
}

.primary-menu-container .menu-item-has-children:hover > .sub-menu li:nth-child(3) {
    animation-delay: 0.15s !important;
}

.primary-menu-container .menu-item-has-children:hover > .sub-menu li:nth-child(4) {
    animation-delay: 0.2s !important;
}

.primary-menu-container .menu-item-has-children:hover > .sub-menu li:nth-child(5) {
    animation-delay: 0.25s !important;
}

.primary-menu-container .menu-item-has-children:hover > .sub-menu li:nth-child(n+6) {
    animation-delay: 0.3s !important;
}

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

/* 禁用动画（移动端和减少动画偏好） */
@media (max-width: 768px), (prefers-reduced-motion: reduce) {
    .primary-menu-container .menu-item-has-children:hover > .sub-menu li {
        animation: none !important;
        opacity: 1 !important;
    }
}

/* ============================================
   子菜单顶部小三角（可选装饰）
   ============================================ */

.primary-menu-container .sub-menu::before {
    content: '' !important;
    position: absolute !important;
    top: -6px !important;
    left: 20px !important;
    width: 0 !important;
    height: 0 !important;
    border-left: 6px solid transparent !important;
    border-right: 6px solid transparent !important;
    border-bottom: 6px solid #ffffff !important;
    filter: drop-shadow(0 -2px 2px rgba(0, 0, 0, 0.05)) !important;
}

/* 二级子菜单的三角指向左侧 */
.primary-menu-container .sub-menu .sub-menu::before {
    top: 12px !important;
    left: -6px !important;
    border-left: none !important;
    border-right: 6px solid #ffffff !important;
    border-bottom: 6px solid transparent !important;
    border-top: 6px solid transparent !important;
    filter: drop-shadow(-2px 0 2px rgba(0, 0, 0, 0.05)) !important;
}

/* 移动端隐藏三角 */
@media (max-width: 768px) {
    .primary-menu-container .sub-menu::before {
        display: none !important;
    }
}