/* Navigation Menu Styles */

/* Desktop Navigation Styles */

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    flex-wrap: nowrap;
    overflow: hidden;
}

/* 菜单项样式 */
.nav-menu > li {
    flex-shrink: 0;
    position: relative;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    max-width: 300px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    padding: 0.5rem 0;
    overflow-x: hidden;
}

.nav-dropdown:hover .dropdown-menu, .more-dropdown:hover .more-menu {
opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu .nav-link, .more-menu .nav-link {
display: block;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.dropdown-menu .nav-link:hover, .more-menu .nav-link:hover {
background: var(--bg-secondary);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 5px 5px;
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--bg-secondary);
}

.nav-link.active {
    color: var(--primary-color);
    background: var(--bg-secondary);
    font-weight: 600;
}

.nav-link.active::after {
    position: absolute;
    bottom: -2px;
    left: 1rem;
    right: 1rem;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: slideIn 0.3s ease;
}

.dropdown-menu .nav-link.active::after {
    left: 0.5rem;
    right: 0.5rem;
    bottom: 0;
}

@keyframes slideIn {
    from {
        transform: scaleX(0);
        opacity: 0;
    }
    to {
        transform: scaleX(1);
        opacity: 1;
    }
}

/* Filter Button Styles */
.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-block;
    white-space: nowrap;
}

.filter-btn:hover,
.filter-btn:focus {
    background: var(--primary-color);
    color: rgb(10, 10, 10);
    border-color: var(--primary-color);
}

.filter-btn.active {
    background: var(--primary-color);
    color: rgb(14, 13, 13);
    border-color: var(--primary-color);
    font-weight: 600;
}

/* Mobile Navigation Styles */
@media (max-width: 480px) {
    .nav-menu {
        display: none !important;
        position: fixed !important;
        top: var(--header-height) !important;
        left: 0 !important;
        right: 0 !important;
        background: var(--bg-primary) !important;
        flex-direction: column !important;
        padding: 0.5rem !important;
        box-shadow: var(--shadow) !important;
        z-index: 1001 !important;
        max-height: calc(100vh - var(--header-height)) !important;
        overflow-y: auto !important;
        border-top: 1px solid var(--border-color) !important;
        align-items: center !important;
        text-align: center !important;
    }
    
    /* Ensure nav-menu inside nav-container has left:0 on mobile */
    .nav-container > .nav-menu {
        margin-left: 0 !important;
    }

    .nav-menu.active {
        display: flex !important;
        flex-direction: column !important;
        gap: 0.5rem !important;
        align-items: center !important;
        justify-content: flex-start !important;
        text-align: center !important;
        padding: 1rem !important;
    }

    .menu-toggle {
        display: block;
    }

    .nav-menu.active li {
        width: 100% !important;
        text-align: center;
        margin: 0 !important;
        box-sizing: border-box !important;
    }

    /* Unified styles for nav links and filter buttons in mobile - high specificity */
    html body .nav-menu.active .nav-link,
    html body .nav-menu.active .filter-btn,
    .nav-menu.active .nav-link,
    .nav-menu.active .filter-btn {
        display: block !important;
        width: 100% !important;
        min-width: 120px !important;
        max-width: calc(100vw - 2rem) !important; /* Ensure it doesn't exceed viewport */
        text-align: center;
        margin: 0.25rem 0 !important;
        padding: 0.75rem 1rem !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 20px !important;
        background: var(--bg-primary) !important;
        color: var(--text-secondary) !important;
        text-decoration: none !important;
        transition: var(--transition) !important;
        font-size: 0.9rem !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        cursor: pointer !important;
        box-sizing: border-box !important;
    }

    .nav-menu.active .nav-link:hover,
    .nav-menu.active .nav-link:focus,
    .nav-menu.active .filter-btn:hover,
    .nav-menu.active .filter-btn:focus {
        background: var(--primary-color) !important;
        color: white !important;
        border-color: var(--primary-color) !important;
    }

    .nav-menu.active .nav-link.active,
    .nav-menu.active .filter-btn.active {
        background: var(--primary-color) !important;
        color: rgb(0, 0, 0) !important;
        border-color: var(--primary-color) !important;
        font-weight: 600 !important;
    }

    /* Remove underline for active nav links in mobile */
    .nav-menu.active .nav-link.active::after {
        display: none !important;
    }

    /* Hide category filters container, show individual filter buttons */
    .nav-menu.active .category-filters {
        display: none !important;
    }

    /* Ensure all menu items are visible on mobile */
    .nav-menu > li {
        display: list-item !important;
    }
    
    .nav-menu > li:nth-child(n+3):not(.more-dropdown) {
        display: list-item !important;
    }
    /* Hide more dropdown on mobile */
    .nav-menu > li.more-dropdown {
        display: none !important;
    }
    /* Ensure force-show doesn't override mobile hiding */
    .nav-menu > li.more-dropdown.force-show {
        display: none !important;
    }
    

    /* Mobile logo adjustments */
    .logo-img {
        width: 50px;
        height: auto;
    }

    /* Hide logo image on mobile */
    .logo img {
        display: none !important;
    }

    .logo .site-name {
        font-size: var(--font-size-xl);
        text-decoration: none;
    }
}

/* Navigation Container */
.nav-container {
    display: flex;
    align-items: center;
    max-width: var(--container-width);
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: var(--header-height);
    container-type: inline-size;
    container-name: nav-container;
}

/* Logo aligned left */
.nav-container > .logo {
    margin-right: auto;
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* nav-menu fills remaining space and aligns left */
.nav-container > .nav-menu {
    flex-grow: 1;
    display: flex;
    justify-content: flex-start;
    margin-left: 20px;
    min-width: 0; /* 允许flex项收缩 */
    flex-wrap: nowrap;
    overflow: hidden;
    position: relative;
}

/* Logo Styles */
.logo .site-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.logo:hover .site-name {
    transform: scale(1.05);
    text-decoration: none;
}

/* Logo image and layout */
.nav-container > .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-shrink: 1;
    min-width: 0;
}

.logo-img {
    width: 50px;
    height: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.logo .site-name {
    margin-left: 0;
    text-decoration: none;
}

/* Navigation Actions (Menu Toggle) */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1002;
}

.menu-toggle:hover {
    background: var(--bg-secondary);
    transform: scale(1.1);
}

.menu-toggle.active, .tags-toggle.active {
background: var(--primary-color);
    color: white;
}

@media (max-width: 480px) {
    .menu-toggle {
        display: block;
    }
}
@media (max-width: 480px) {
   .nav-container {
        padding: 0 15px;
    }

    /* Extra small screen logo adjustments */
    .logo-img {
        width: 50px;
        height: auto;
    }

    /* Hide logo image on mobile */
    .logo img {
        display: none !important;
    }

    .logo .site-name {
        font-size: var(--font-size-lg);
        text-decoration: none;
    }
}

/* Tags Sidebar Styles */
.tags-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1002;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tags-toggle span {
    font-size: 0.9rem;
    font-weight: 600;
}

.tags-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Tags Sidebar */
.tags-sidebar {
    position: fixed;
    top: 0;
    left: -380px;
    width: 380px;
    height: 100vh;
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.tags-sidebar.active {
    left: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 1.75rem;
    border-bottom: 2px solid var(--border-color);
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.sidebar-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

.sidebar-close {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    font-size: 1.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.sidebar-close:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: rotate(90deg);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.75rem;
}

.tags-search {
    margin-bottom: 1.5rem;
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    z-index: 10;
}

.tags-search input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    box-sizing: border-box;
    transition: all var(--transition-normal);
}

.tags-search input::placeholder {
    color: var(--text-muted);
}

.tags-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-primary);
    box-shadow: 0 0 0 4px rgba(78, 205, 196, 0.15);
}

.tags-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tag-item {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    font-weight: 500;
    font-size: 1rem;
}

.tag-item:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateX(-8px);
    box-shadow: var(--shadow-md);
}

.tag-item:active {
    transform: translateX(-4px);
}

.tag-item span {
    font-weight: 600;
}

.tag-item.hidden, .more-dropdown.force-show .more-menu > li:nth-child(-n+2) {
display: none;
}

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .tags-sidebar {
        width: 100%;
        right: 0;
        left: auto;
        transform: translateX(100%);
        max-width: 100%;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .tags-sidebar.active {
        right: 0;
        left: auto;
        transform: translateX(0);
    }

    .sidebar-header {
        padding: 1.25rem 1.5rem;
    }

    .sidebar-header h3 {
        font-size: 1.25rem;
    }

    .sidebar-content {
        padding: 1.25rem;
    }

    .tags-search {
        margin-bottom: 1.25rem;
    }

    .tag-item {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }

    /* 移动端导航容器布局 */
    .nav-container {
        justify-content: space-between;
    }

    .nav-container > .tags-toggle {
        order: 0;
    }

    .nav-container > .logo {
        margin-right: 0;
        order: 1;
    }

    .nav-actions {
        order: 2;
        margin-left: auto;
    }
}

/* 纯CSS更多下拉菜单样式 - 悬停版本 */
.more-dropdown {
    position: relative;
    display: block; /* 默认显示，容器查询和媒体查询控制隐藏 */
}

.more-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.more-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    max-width: 300px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    padding: 0.5rem 0;
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
}

/* 悬停显示下拉菜单 */

/* 媒体查询后备方案（当容器查询不被支持时） */
@media (min-width: 1201px) {
    .more-dropdown:not(.force-show) {
        display: none !important;
    }

    .nav-menu > li {
        display: list-item !important;
    }
}

/* 中等屏幕（480px-1200px）显示更多下拉菜单 */
@media (max-width: 1200px) and (min-width: 481px) {
    .more-dropdown {
        display: block !important;
    }

    /* 隐藏主菜单中第3个及以后的菜单项（不包括更多下拉菜单本身） */
    .nav-menu > li:nth-child(n+3):not(.more-dropdown) {
        display: none;
    }

    /* 确保导航菜单正常显示 */
    .nav-menu {
        display: flex !important;
        position: static !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        background: transparent !important;
        flex-direction: row !important;
        padding: 0 !important;
        box-shadow: none !important;
        z-index: auto !important;
        max-height: none !important;
        overflow-y: visible !important;
        border-top: none !important;
        align-items: center !important;
        text-align: left !important;
    }

    /* 确保菜单项正常显示 */
    .nav-menu > li {
        display: list-item !important;
    }
}

/* 移动端隐藏更多下拉菜单 */
@media (max-width: 480px) {
    .more-dropdown {
        display: none !important;
    }
    /* 确保即使有 force-show 类在移动端也隐藏 - 最高优先级覆盖所有force-show规则 */
    .more-dropdown.force-show,
    html body .nav-container .more-dropdown.force-show,
    html body .nav-container > .nav-menu > li.more-dropdown.force-show,
    .nav-container .more-dropdown.force-show,
    .nav-container > .nav-menu > li.more-dropdown.force-show,
    .more-dropdown.force-show[style] {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
}

/* 容器查询（现代浏览器支持） */
/* 桌面端中等宽度下的更多菜单适配 - 容器查询 */
@container nav-container (max-width: 1200px) {
    .more-dropdown {
        display: block !important;
    }

    /* 隐藏主菜单中第3个及以后的菜单项（不包括更多下拉菜单本身） */
    .nav-menu > li:nth-child(n+3):not(.more-dropdown) {
        display: none;
    }

    /* 确保更多下拉菜单中的链接样式正确 */
    .more-menu .nav-link {
        display: block;
        padding: 0.75rem 1.5rem;
        border-radius: 0;
        white-space: normal;
        word-wrap: break-word;
        overflow-wrap: break-word;
        color: var(--text-primary);
        text-decoration: none;
        transition: var(--transition);
    }

    .more-menu .nav-link:hover {
        background: var(--bg-secondary);
        color: var(--primary-color);
    }

    .more-menu .nav-link.active {
        color: var(--primary-color);
        background: var(--bg-secondary);
        font-weight: 600;
    }

    /* 悬停显示下拉菜单 */
    .more-dropdown:hover .more-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

/* 桌面端较宽宽度（1200px以上）隐藏更多下拉菜单 - 容器查询 */
@container nav-container (min-width: 1201px) {
    .more-dropdown:not(.force-show) {
        display: none !important;
    }

    /* 显示所有菜单项 */
    .nav-menu > li {
        display: list-item !important;
    }
}

/* JavaScript强制显示more下拉菜单（当检测到溢出时） */
.more-dropdown.force-show {
    display: block !important;
}

/* 隐藏下拉菜单中前两个菜单项（避免重复） */

/* 确保force-show下拉菜单在悬停时正确显示 */
.more-dropdown.force-show:hover .more-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

/* 覆盖容器查询的隐藏规则（更高特异性） */
.nav-container .more-dropdown.force-show, .more-dropdown.force-show[style] {
display: block !important;
}

/* 确保force-show下拉菜单有足够的悬停区域 */
.more-dropdown.force-show {
    padding: 0.5rem 1rem;
    margin: -0.5rem -1rem; /* 抵消padding对布局的影响 */
}

/* 强制force-show下拉菜单悬停时显示（最高优先级） */
.nav-container .more-dropdown.force-show:hover .more-menu,
.more-dropdown.force-show:hover .more-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    display: block !important;
}

/* 确保more-toggle在force-show时可见 */
.more-dropdown.force-show .more-toggle {
    display: flex !important;
    cursor: pointer;
}

/* 超强覆盖：确保force-show完全覆盖所有容器查询规则 */
.nav-container > .nav-menu > li.more-dropdown.force-show,
.nav-container .more-dropdown.force-show,
.more-dropdown.force-show {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* 超强悬停覆盖：确保force-show下拉菜单在悬停时显示 */
.nav-container > .nav-menu > li.more-dropdown.force-show:hover .more-menu,
.nav-container .more-dropdown.force-show:hover .more-menu,
.more-dropdown.force-show:hover .more-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    display: block !important;
    pointer-events: auto !important;
    z-index: 1001 !important;
}

/* 确保more-menu在force-show时基础状态正确 */
.more-dropdown.force-show .more-menu {
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-10px) !important;
    display: block !important;
}

/* 移除可能干扰的负边距，改用透明边框扩大悬停区域 */
.more-dropdown.force-show {
    padding: 0.5rem 1rem;
    margin: 0;
    border: 2px solid transparent;
}

/* force-show类被应用时的正常样式 */
.more-dropdown.force-show {
    /* 移除调试用的绿色样式 */
}

.more-dropdown.force-show .more-toggle {
    /* 使用正常文字颜色，不特别加粗 */
    color: var(--text-primary) !important;
}

/* 终极解决方案：使用最高特异性覆盖所有可能的情况 */
html body .nav-container > .nav-menu > li.more-dropdown.force-show,
html body .nav-container .nav-menu li.more-dropdown.force-show,
body .nav-container .more-dropdown.force-show {
    display: list-item !important;
    display: block !important;
}

/* 确保悬停时下拉菜单显示（最高优先级） */
html body .nav-container > .nav-menu > li.more-dropdown.force-show:hover .more-menu,
html body .nav-container .nav-menu li.more-dropdown.force-show:hover .more-menu,
body .nav-container .more-dropdown.force-show:hover .more-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    display: block !important;
}

/* 覆盖容器查询内的所有规则 */
@container nav-container (min-width: 801px) {
    .more-dropdown.force-show {
        display: block !important;
    }

    .more-dropdown.force-show:hover .more-menu {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
    }
}

/* 最后的安全网：使用内联样式级别的特异性 */

.more-dropdown.force-show:hover .more-menu[style] {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

/* ========== 简化force-show规则 ========== */
/* 确保force-show类覆盖所有隐藏规则 */
.more-dropdown.force-show {
    display: list-item !important; /* li元素应该用list-item */
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
}

/* 确保force-show下拉菜单悬停时显示 */
.more-dropdown.force-show:hover .more-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    display: block !important;
    z-index: 1001 !important;
}

/* force-show激活时的正常样式 */
.more-dropdown.force-show {
    /* 移除调试用的红色样式，使用正常样式 */
}

.more-dropdown.force-show .more-toggle {
    color: var(--text-primary) !important; /* 正常文字颜色 */
    /* 保持与其他菜单项一致的样式 */
}

/* 解决overflow:hidden裁剪下拉菜单的问题 */
.more-dropdown.force-show {
    overflow: visible !important;
    z-index: 1002 !important;
}

.nav-menu {
    overflow: visible !important; /* 临时解决下拉菜单被裁剪问题 */
}

/* 确保下拉菜单在nav-menu外部可见 */
.more-dropdown.force-show .more-menu {
    overflow: visible !important;
}