/**
 * Mobile Header Fix - 移动端头部优化
 * 修复移动端顶部白色方框问题
 * @package Corporate_Theme
 */

/* ==========================================================================
   移动端头部优化
   ========================================================================== */
@media (max-width: 768px) {
    
    /* 移除所有可能的顶部空白 */
    body {
        padding-top: 0 !important;
        margin-top: 0 !important;
    }
    
    #page {
        padding-top: 0 !important;
        margin-top: 0 !important;
    }
    
    /* 确保 header 没有多余的空白 */
    .site-header {
        background: var(--white);
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        margin-top: 0 !important;
        padding-top: 0 !important;
    }
    
    .site-header::before,
    .site-header::after {
        display: none !important;
    }
    
    .site-header .container {
        padding-top: 0.75rem !important;
        padding-bottom: 0.75rem !important;
        margin-top: 0 !important;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
    }
    
    /* 确保 logo 区域没有多余空白 */
    .site-branding {
        flex: 1;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .custom-logo-link {
        display: inline-block;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .custom-logo {
        max-height: 40px;
        width: auto;
        display: block;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    /* 确保菜单切换按钮正确显示 */
    .menu-toggle {
        order: 1;
        margin-left: auto;
        margin-right: 0;
        padding: 0.5rem;
        background: transparent;
        border: none;
    }
    
    /* 主导航容器 */
    .main-navigation {
        width: 100%;
        order: 3;
        margin-top: 0;
        display: flex;
        flex-direction: column;
        gap: 0;
    }
    
    /* 优化语言切换器在移动端的显示 */
    .header-language-switcher {
        width: 100%;
        margin: 0.75rem 0 !important;
        padding: 0 !important;
        order: 2;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 0.75rem !important;
    }
    
    .language-dropdown {
        width: 100%;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    /* 语言下拉按钮在移动端的优化 */
    .language-dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: 0.75rem 1rem;
        background: var(--bg-light);
        border: 1px solid var(--border-color);
        margin: 0 !important;
    }
    
    /* 移动端下拉菜单优化 */
    .language-dropdown-menu {
        display: none !important;
        position: static !important;
        width: 100%;
        margin-top: 0.5rem;
        border: 1px solid var(--border-color);
        box-shadow: none;
        transform: none !important;
        height: 0 !important;
        overflow: hidden !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }
    
    .language-dropdown-toggle[aria-expanded="true"] + .language-dropdown-menu {
        display: block !important;
        height: auto !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    /* 主菜单容器 */
    .primary-menu-container {
        width: 100%;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    /* 移除任何可能的顶部间距 */
    .site-content {
        margin-top: 0 !important;
        padding-top: 0 !important;
    }
    
    /* 移除 WordPress 管理栏的影响 */
    body.admin-bar .site-header {
        top: 46px;
    }
    
    body.admin-bar #page {
        padding-top: 0 !important;
    }
}

/* ==========================================================================
   超小屏幕优化 (max-width: 480px)
   ========================================================================== */
@media (max-width: 480px) {
    
    .site-header .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .custom-logo {
        max-height: 35px;
    }
    
    .language-dropdown-toggle {
        font-size: 0.8125rem;
        padding: 0.625rem 0.875rem;
    }
    
    .language-dropdown-toggle .lang-flag {
        width: 18px;
        height: 13px;
    }
}