/* 响应式设计 - 深色模式 */

/* 移动设备优先 */

/* 小屏幕设备 (小于 640px) */
@media (max-width: 639px) {
  /* 容器 */
  :root.dark-mode .container {
    padding: 0 var(--spacing-sm);
  }
  
  /* 头部 */
  :root.dark-mode .header-container {
    padding: var(--spacing-sm) 0;
  }
  
  :root.dark-mode .site-title {
    font-size: 1.25rem;
  }
  
  /* 导航菜单 */
  :root.dark-mode .nav-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 40%;
    height: 100vh;
    background-color: var(--surface-color);
    flex-direction: column;
    padding: var(--spacing-md) var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    gap: var(--spacing-xs);
  }
  
  /* 移动端菜单项 */
  :root.dark-mode .nav-menu li a {
    padding: var(--spacing-sm);
  }
  
  /* 导航区域 */
  :root.dark-mode .nav {
    display: flex;
    align-items: center;
    gap: 0;
    flex: min-content;
    height: 100%;
  }
  
  /* 调整 nav-buttons 和 mobile-menu-toggle 之间的距离 */
  :root.dark-mode .header-container {
    gap: 0;
  }
  
  /* 进一步调整 mobile-menu-toggle 的边距 */
  :root.dark-mode .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0;
    padding: 12px;
    height: 100%;
  }
  
  /* 确保 nav-buttons 没有额外的右边距 */
  :root.dark-mode .nav-buttons {
    margin-right: 0;
  }
  
  :root.dark-mode .nav-menu.active {
    display: flex;
  }
  
  /* 主内容区 */
  :root.dark-mode .main-content {
    padding: var(--spacing-xl) 0;
  }
  
  :root.dark-mode .content-wrapper {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  /* 侧边栏 */
  :root.dark-mode .sidebar {
    display: none;
  }
  
  /* 文章详情页 */
  
  :root.dark-mode .post-title-container {
    flex-wrap: wrap;
  }
  
  :root.dark-mode .breadcrumb-text {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }
  
  :root.dark-mode .post-title {
    font-size: 1.25rem;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }
  
  :root.dark-mode .post-meta {
    display: none;
  }
  
  /* 404页面 */
  :root.dark-mode .error-404 h1 {
    font-size: 2.5rem;
  }
  
  /* 标题 */
  :root.dark-mode h1 {
    font-size: 2rem;
  }
  
  :root.dark-mode h2 {
    font-size: 1.5rem;
  }
  
  :root.dark-mode h3 {
    font-size: 1.25rem;
  }
  
  /* 分页 */
  :root.dark-mode .pagination {
    flex-wrap: wrap;
  }
  
  /* 返回顶部按钮 */
  :root.dark-mode .back-to-top {
    width: 40px;
    height: 40px;
    bottom: 20px;
    right: 20px;
  }
  
  /* 搜索弹窗 */
  :root.dark-mode .search-popup input {
    padding: var(--spacing-md);
    font-size: 1rem;
  }
  
  :root.dark-mode .search-popup-close {
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
  }
  
  /* 幻灯片 */
  :root.dark-mode .slider-main {
    flex-direction: column;
  }
  
  :root.dark-mode .main-slider .slider-item {
    height: 0;
    padding-top: 56.25%; /* 16:9 宽高比 */
  }
  
  :root.dark-mode .main-slider .slider-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  
  :root.dark-mode .side-sliders {
    flex-direction: row;
  }
  
  :root.dark-mode .side-sliders .slider-item {
    flex: 1;
    height: 100px;
  }
  
  :root.dark-mode .slider-title {
    font-size: 1.25rem;
  }
  
  :root.dark-mode .slider-description {
    font-size: 0.875rem;
  }
}

/* 中等屏幕设备 (640px - 767px) */
@media (min-width: 640px) and (max-width: 767px) {
  /* 容器 */
  :root.dark-mode .container {
    padding: 0 var(--spacing-md);
  }
  
  /* 导航菜单 */
  :root.dark-mode .nav-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 70%;
    height: 100vh;
    background-color: var(--surface-color);
    flex-direction: column;
    padding: var(--spacing-md) var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    gap: var(--spacing-xs);
  }
  
  /* 移动端菜单项 */
  :root.dark-mode .nav-menu li a {
    padding: var(--spacing-sm);
  }
  
  /* 导航区域 */
  :root.dark-mode .nav {
    display: flex;
    align-items: center;
    gap: 0;
    flex: min-content;
    height: 100%;
  }
  
  /* 调整 nav-buttons 和 mobile-menu-toggle 之间的距离 */
  :root.dark-mode .header-container {
    gap: 0;
  }
  
  /* 进一步调整 mobile-menu-toggle 的边距 */
  :root.dark-mode .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0;
    padding: 12px;
    height: 100%;
  }
  
  /* 确保 nav-buttons 没有额外的右边距 */
  :root.dark-mode .nav-buttons {
    margin-right: 0;
  }
  
  :root.dark-mode .nav-menu.active {
    display: flex;
  }
  
  :root.dark-mode .mobile-menu-toggle {
    display: block;
  }
  
  /* 内容区 */
  :root.dark-mode .content-wrapper {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  /* 侧边栏 */
  :root.dark-mode .sidebar {
    display: none;
  }
  
  /* 幻灯片 */
  :root.dark-mode .slider-main {
    flex-direction: column;
  }
  
  :root.dark-mode .main-slider .slider-item {
    height: 0;
    padding-top: 56.25%; /* 16:9 宽高比 */
  }
  
  :root.dark-mode .main-slider .slider-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  
  :root.dark-mode .side-sliders {
    flex-direction: row;
  }
  
  :root.dark-mode .side-sliders .slider-item {
    flex: 1;
    height: 120px;
  }
}

/* 大屏幕设备 (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  /* 导航菜单 */
  :root.dark-mode .nav-menu {
    gap: var(--spacing-md);
    display: flex;
    align-items: center;
    height: 100%;
  }
  
  /* 导航区域 */
  :root.dark-mode .nav {
    display: flex;
    align-items: center;
    gap: 0;
    flex: 1;
    justify-content: flex-end;
    height: 100%;
  }
  
  /* 调整 nav-buttons 和 mobile-menu-toggle 之间的距离 */
  :root.dark-mode .header-container {
    gap: 0;
  }
  
  /* 隐藏移动端菜单按钮 */
  :root.dark-mode .mobile-menu-toggle {
    display: none;
  }
  
  /* 确保 nav-buttons 没有额外的右边距 */
  :root.dark-mode .nav-buttons {
    margin-right: 0;
    display: flex;
    align-items: center;
    height: 100%;
  }
  
  /* 内容区 */
  :root.dark-mode .content-wrapper {
    grid-template-columns: 1fr 250px;
    gap: var(--spacing-lg);
  }
  
  /* 文章详情页 */
  :root.dark-mode .post-title {
    font-size: 1.25rem;
  }
  
  /* 幻灯片 */
  :root.dark-mode .main-slider .slider-item {
    height: 300px;
  }
  
  :root.dark-mode .side-sliders .slider-item {
    height: 90px;
  }
}

/* 超大屏幕设备 (1024px 及以上) */
@media (min-width: 1024px) {
  /* 导航菜单 */
  :root.dark-mode .nav-menu {
    display: flex;
    align-items: center;
    height: 100%;
  }
  
  /* 导航区域 */
  :root.dark-mode .nav {
    display: flex;
    align-items: center;
    height: 100%;
  }
  
  /* 导航按钮 */
  :root.dark-mode .nav-buttons {
    display: flex;
    align-items: center;
    height: 100%;
  }
  
  /* 移动菜单按钮 */
  :root.dark-mode .mobile-menu-toggle {
    display: none;
  }
  
  /* 内容区 */
  :root.dark-mode .content-wrapper {
    grid-template-columns: 1fr 300px;
  }
}

/* 横屏设备 */
@media (orientation: landscape) and (max-height: 500px) {
  /* 导航菜单 */
  :root.dark-mode .nav-menu {
    height: 100vh;
    overflow-y: auto;
  }
}

/* 高分辨率屏幕 */
@media (-webkit-device-pixel-ratio: 2), (device-pixel-ratio: 2) {
  /* 调整字体渲染 */
  :root.dark-mode body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* 打印样式 */
@media print {
  /* 隐藏不需要打印的元素 */
  :root.dark-mode .header, :root.dark-mode .footer, :root.dark-mode .sidebar, :root.dark-mode .back-to-top, :root.dark-mode .search-popup, :root.dark-mode .mobile-menu-toggle {
    display: none !important;
  }
  
  /* 调整打印样式 */
  :root.dark-mode body {
    background: white;
    color: black;
    font-size: 12pt;
  }
  
  :root.dark-mode .container {
    width: 100%;
    max-width: 100%;
    padding: 0;
  }
  
  :root.dark-mode .content-wrapper {
    grid-template-columns: 1fr;
  }
  
  :root.dark-mode .single-post {
    box-shadow: none;
    padding: 0;
  }
  
  /* 打印链接 */
  :root.dark-mode a {
    color: black;
    text-decoration: underline;
  }
  
  :root.dark-mode a[href]:after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
  
  /* 避免分页问题 */
  :root.dark-mode .post-card {
    page-break-inside: avoid;
  }
  
  :root.dark-mode h1, :root.dark-mode h2, :root.dark-mode h3, :root.dark-mode h4, :root.dark-mode h5, :root.dark-mode h6 {
    page-break-after: avoid;
  }
  
  :root.dark-mode p {
    page-break-inside: avoid;
  }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  :root.dark-mode *,
  :root.dark-mode *::before,
  :root.dark-mode *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  /* 禁用特定动画 */
  :root.dark-mode .fade-in,
  :root.dark-mode .slide-in,
  :root.dark-mode .pulse,
  :root.dark-mode .shake,
  :root.dark-mode .bounce,
  :root.dark-mode .breathe,
  :root.dark-mode .typewriter,
  :root.dark-mode .hover-lift,
  :root.dark-mode .hover-scale,
  :root.dark-mode .hover-glow,
  :root.dark-mode .scroll,
  :root.dark-mode .wave,
  :root.dark-mode .gradient-animate,
  :root.dark-mode .menu-slide-in,
  :root.dark-mode .modal-fade-in,
  :root.dark-mode .scroll-reveal,
  :root.dark-mode .btn-ripple,
  :root.dark-mode .img-hover-zoom,
  :root.dark-mode .text-hover,
  :root.dark-mode .card-hover,
  :root.dark-mode .skeleton,
  :root.dark-mode .progress-bar,
  :root.dark-mode .bounce-ball,
  :root.dark-mode .flip,
  :root.dark-mode .fade-in-out {
    animation: none !important;
    transition: none !important;
  }
  
  /* 禁用悬停效果 */
  :root.dark-mode .hover-lift:hover,
  :root.dark-mode .hover-scale:hover,
  :root.dark-mode .hover-glow:hover,
  :root.dark-mode .img-hover-zoom:hover img,
  :root.dark-mode .text-hover:hover::after,
  :root.dark-mode .card-hover:hover {
    transform: none !important;
    box-shadow: none !important;
    width: auto !important;
  }
}