/**
 * 7Nav 主题移动端样式
 * Mobile Responsive Styles
 */

/* ========================================
   移动端导航菜单
   ======================================== */

/* 汉堡菜单按钮 */
.mobile-menu-toggle {
  display: none;
}

.mobile-menu-toggle svg {
  width: 20px;
  height: 20px;
}

/* 移动端菜单覆盖层 */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100vh;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  transition: right 0.3s ease;
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px;
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color);
}

.mobile-menu-icon {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
}

.mobile-menu-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--text-muted);
  border-radius: 6px;
  transition: var(--transition);
}

.mobile-menu-close:hover {
  background: var(--bg-light);
  color: var(--text-color);
}

.mobile-menu-close svg {
  width: 22px;
  height: 22px;
  display: block;
}

.mobile-menu-content {
  padding: 12px;
}

.mobile-menu-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-menu-nav li {
  margin-bottom: 3px;
}

.mobile-menu-nav a {
  display: block;
  padding: 10px 12px;
  color: var(--text-color);
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition);
  font-size: 14px;
}

.mobile-menu-nav a:hover,
.mobile-menu-nav a.active {
  background: var(--primary-color);
  color: white;
}

/* 移动端操作按钮 */
.mobile-menu-actions {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.mobile-menu-actions li {
  display: flex;
}

.mobile-menu-actions .action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 8px;
  width: 100%;
  color: var(--text-color);
  text-decoration: none;
  border-radius: 10px;
  transition: var(--transition);
  background: var(--bg-light);
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
}

.mobile-menu-actions .action-btn:hover,
.mobile-menu-actions .action-btn:active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.mobile-menu-actions .action-btn svg {
  width: 22px;
  height: 22px;
  stroke-width: 2;
}

.mobile-menu-actions .action-btn span {
  font-size: 12px;
  font-weight: 500;
}

/* 主题切换按钮特殊样式 */
.mobile-menu-actions .action-btn.theme-toggle {
  position: relative;
  display: flex !important;
}

.mobile-menu-actions .action-btn.theme-toggle .theme-icon {
  width: 22px;
  height: 22px;
  stroke-width: 2;
  flex-shrink: 0;
  display: block;
}

/* 确保只显示一个主题图标 */
.mobile-menu-actions .action-btn.theme-toggle .theme-icon-light {
  display: block !important;
}

.mobile-menu-actions .action-btn.theme-toggle .theme-icon-dark {
  display: none !important;
}

body.dark-mode .mobile-menu-actions .action-btn.theme-toggle .theme-icon-light {
  display: none !important;
}

body.dark-mode .mobile-menu-actions .action-btn.theme-toggle .theme-icon-dark {
  display: block !important;
}

body.dark-mode .mobile-menu-actions .action-btn {
  background: rgba(255, 255, 255, 0.05);
}

/* ========================================
   移动端响应式 (< 768px)
   ======================================== */

@media (max-width: 768px) {
  /* 显示移动端菜单按钮 */
  .mobile-menu-toggle {
    display: flex;
  }

  /* 隐藏桌面端导航 */
  .header-nav {
    display: none;
  }

  /* 容器调整 */
  .container {
    padding: 0 15px;
  }

  /* 头部调整 */
  .site-header {
    padding: 0;
  }

  .header-card {
    padding: 10px 0;
  }

  .header-content {
    gap: 10px;
    padding: 0 12px;
  }

  .site-logo {
    font-size: 18px;
    gap: 6px;
    flex-shrink: 0;
  }

  .site-logo img {
    height: 28px;
  }

  .toolbar {
    gap: 6px;
    flex-shrink: 0;
  }

  /* 移动端隐藏工具栏按钮，只保留菜单按钮 */
  .toolbar .toolbar-btn:not(.mobile-menu-toggle),
  .toolbar .theme-toggle {
    display: none !important;
  }

  .toolbar-btn.mobile-menu-toggle {
    width: 36px;
    height: 36px;
    padding: 6px;
  }

  .toolbar-btn.mobile-menu-toggle svg {
    width: 18px;
    height: 18px;
  }

  /* 搜索区域 */
  .search-section {
    padding: 20px 0 10px 0;
  }

  .search-card {
    padding: 20px 16px;
  }

  .search-title {
    font-size: 20px;
    margin-bottom: 12px;
  }

  /* 热门导航 */
  .hot-nav-section {
    padding: 10px 0;
  }

  .hot-nav-card {
    padding: 15px 12px;
    border-radius: 10px;
  }

  .hot-nav-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .hot-nav-item {
    padding: 8px 10px;
    font-size: 12px;
    min-height: 40px; /* 更好的触摸目标尺寸 */
    display: flex;
    align-items: center;
  }

  /* 热门导航直达按钮 */
  .hot-nav-direct {
    width: 32px;
    height: 32px;
    top: 4px;
    right: 4px;
  }

  .hot-nav-direct svg {
    width: 12px;
    height: 12px;
  }

  .hot-nav-icon {
    width: 20px;
    height: 20px;
  }

  .hot-nav-icon-emoji {
    font-size: 20px;
    width: 20px;
    height: 20px;
  }

  .hot-nav-title {
    font-size: 12px;
  }

  /* 导航区域 */
  .nav-section {
    padding: 10px 0;
  }

  .nav-card {
    border-radius: 10px;
    overflow: hidden;
  }

  .nav-wrapper {
    flex-direction: column;
  }

  /* 侧边栏 - 横向滚动 */
  .nav-sidebar {
    width: 100%;
    position: static;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
  }

  .nav-sidebar-inner {
    padding: 10px 12px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .nav-sidebar-item {
    padding: 8px 10px;
    border-left: none;
    border-radius: 8px;
    min-height: 40px; /* 触摸目标尺寸 */
    display: flex;
    flex-direction: column; /* 垂直布局 */
    align-items: center;
    justify-content: center;
    gap: 4px;
    text-align: center;
  }

  .nav-sidebar-item.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(94, 114, 228, 0.3);
  }

  .nav-sidebar-item.active .nav-sidebar-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
  }

  .nav-sidebar-icon {
    width: 24px;
    height: 24px;
    font-size: 14px;
  }

  .nav-sidebar-title {
    font-size: 13px;
    font-weight: 500;
  }

  /* 内容区域 */
  .nav-content {
    width: 100%;
    border-radius: 0;
  }

  .nav-content-inner {
    padding: 15px 12px;
  }

  .nav-category {
    margin-bottom: 20px;
  }

  .category-title {
    font-size: 16px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    font-weight: 600;
  }

  /* 导航链接 */
  .nav-links {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .nav-link {
    padding: 10px;
    min-height: 52px; /* 确保触摸目标大小 */
  }

  /* 导航链接直达按钮 */
  .nav-link-direct {
    width: 36px;
    height: 36px;
    top: 6px;
    right: 6px;
    opacity: 1; /* 移动端始终显示 */
    transform: scale(1);
  }

  .nav-link-direct svg {
    width: 14px;
    height: 14px;
  }

  .nav-link img {
    width: 32px;
    height: 32px;
  }

  .link-icon {
    font-size: 24px;
    width: 32px;
    height: 32px;
  }

  .link-title {
    font-size: 14px;
    font-weight: 500;
  }

  .link-desc {
    font-size: 12px;
    line-height: 1.4;
  }

  .link-tag {
    font-size: 10px;
    padding: 2px 6px;
  }

  /* 页脚 */
  .site-footer {
    padding: 10px 0;
    margin-top: 10px;
  }

  .footer-card {
    padding: 15px 12px;
  }

  .footer-links {
    flex-direction: row;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .footer-links ul {
    flex-direction: row;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-links a {
    font-size: 13px;
  }

  .copyright {
    font-size: 12px;
  }
}

/* ========================================
   超小屏幕优化 (< 480px)
   ======================================== */

@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }

  /* 头部 */
  .header-card {
    padding: 8px 0;
  }

  .header-content {
    gap: 8px;
    padding: 0 10px;
  }

  .site-logo {
    font-size: 16px;
    gap: 5px;
  }

  .site-logo img {
    height: 26px;
  }

  .toolbar {
    gap: 5px;
  }

  /* 移动端隐藏工具栏按钮，只保留菜单按钮 */
  .toolbar .toolbar-btn:not(.mobile-menu-toggle),
  .toolbar .theme-toggle {
    display: none !important;
  }

  .toolbar-btn.mobile-menu-toggle {
    width: 34px;
    height: 34px;
    padding: 5px;
  }

  .toolbar-btn.mobile-menu-toggle svg {
    width: 16px;
    height: 16px;
  }

  /* 搜索区域 */

  .search-card {
    padding: 18px 14px;
  }

  .search-title {
    font-size: 18px;
    margin-bottom: 10px;
  }

  /* 热门导航 */
  .hot-nav-card {
    padding: 12px 10px;
  }

  .hot-nav-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .hot-nav-item {
    flex-direction: column;
    text-align: center;
    gap: 6px;
    padding: 10px 8px;
    font-size: 11px;
  }

  .hot-nav-icon,
  .hot-nav-icon-emoji {
    width: 28px;
    height: 28px;
    font-size: 24px;
  }

  .hot-nav-title {
    font-size: 11px;
    line-height: 1.3;
    white-space: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  
  .hot-nav-direct {
    width: 24px;
    height: 24px;
    top: 4px;
    right: 4px;
    opacity: 1;
    transform: scale(1);
  }
  
  .hot-nav-direct svg {
    width: 12px;
    height: 12px;
  }

  /* 导航区域 */
  .nav-card {
    border-radius: 8px;
  }

  .nav-sidebar-inner {
    padding: 8px 10px;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
  }

  .nav-sidebar-item {
    padding: 6px 8px;
    min-height: 36px;
    flex-direction: column; /* 垂直布局 */
    gap: 3px;
  }

  .nav-sidebar-icon {
    width: 22px;
    height: 22px;
    font-size: 13px;
  }

  .nav-sidebar-title {
    font-size: 12px;
  }

  .nav-content-inner {
    padding: 12px 10px;
  }

  .nav-category {
    margin-bottom: 18px;
  }

  .category-title {
    font-size: 15px;
    margin-bottom: 10px;
    padding-bottom: 6px;
  }

  .nav-links {
    gap: 6px;
  }

  .nav-link {
    padding: 10px 8px;
    min-height: 50px;
  }

  .nav-link img {
    width: 28px;
    height: 28px;
  }

  .link-icon {
    font-size: 22px;
    width: 28px;
    height: 28px;
  }

  .link-title {
    font-size: 13px;
  }

  .link-desc {
    font-size: 11px;
  }

  .link-tag {
    font-size: 9px;
    padding: 1px 4px;
  }

  .nav-link-direct {
    width: 32px;
    height: 32px;
  }

  /* 页脚 */
  .footer-card {
    padding: 12px 10px;
    border-radius: 8px;
  }

  .footer-links {
    gap: 12px;
  }

  .footer-links a {
    font-size: 12px;
  }

  .copyright {
    font-size: 11px;
  }

  /* 详情页面调整 */
  .link-detail-card {
    padding: 16px;
  }

  .link-detail-header {
    flex-direction: column;
    text-align: center;
  }

  .link-detail-icon {
    width: 60px;
    height: 60px;
  }

  .link-detail-icon img,
  .link-detail-icon .icon-emoji {
    width: 40px;
    height: 40px;
    font-size: 40px;
  }

  .link-detail-actions {
    flex-direction: column;
  }

  .link-detail-stats {
    justify-content: center;
  }

  .related-links-grid {
    grid-template-columns: 1fr;
  }

  /* 归档页面调整 */
  .nav-archive-section {
    padding: 15px 0;
  }

  .nav-archive-header {
    margin-bottom: 24px;
  }

  .archive-title {
    font-size: 24px;
  }

  .archive-description {
    font-size: 14px;
  }

  .nav-archive-wrapper {
    gap: 20px;
  }

  .sidebar-section {
    padding: 16px;
  }

  .archive-results-info {
    font-size: 13px;
  }

  .link-item-header {
    gap: 12px;
  }

  .link-item-icon {
    width: 40px;
    height: 40px;
  }

  .link-item-icon img,
  .link-item-icon .icon-emoji {
    width: 28px;
    height: 28px;
    font-size: 28px;
  }

  .link-item-title {
    font-size: 16px;
  }

  .link-item-desc {
    font-size: 13px;
  }

  .link-item-inner {
    padding: 16px;
  }
}

/* ========================================
   深色模式移动端适配
   ======================================== */

body.dark-mode .mobile-menu {
  background: rgba(26, 29, 41, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.3);
}

body.dark-mode .mobile-menu-header {
  border-bottom-color: var(--border-color);
}

body.dark-mode .mobile-menu-overlay {
  background: rgba(0, 0, 0, 0.7);
}