/* Main Styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 内容区布局 */
.main-container {
  display: flex;
  flex: 1;
  position: relative;
  width: 100%;
  overflow-x: hidden;
}

/* 侧边栏样式 */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 260px;
  background-color: white;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  z-index: 40;
  padding-top: 60px; /* 为顶部固定导航预留空间 */
  transition: transform 0.3s ease, width 0.3s ease;
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateX(-100%); /* 默认隐藏 */
}

/* 显示侧边栏 */
.sidebar.active {
  transform: translateX(0);
}

/* 小屏幕调整 */
@media (max-width: 768px) {
  .sidebar {
    /* 已经默认隐藏，不需要额外样式 */
  }
}

/* 折叠时的样式 */
.sidebar.collapsed {
  width: 60px;
}

/* 侧边栏折叠时内容区域调整 */
.content-wrapper {
  flex: 1;
  margin-left: 0; /* 默认侧边栏隐藏时无需预留空间 */
  transition: margin 0.3s ease;
  width: 100%;
  overflow-x: hidden;
}

/* 当侧边栏显示且未折叠时，为内容预留空间 */
@media (min-width: 769px) {
  .sidebar.active:not(.collapsed) ~ .content-wrapper {
    margin-left: 260px;
    width: calc(100% - 260px);
  }
  
  .sidebar.active.collapsed ~ .content-wrapper {
    margin-left: 60px;
    width: calc(100% - 60px);
  }
}

@media (max-width: 768px) {
  .content-wrapper {
    margin-left: 0 !important; /* 小屏幕下内容始终占满宽度 */
    width: 100% !important;
  }
  
  .container {
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }
}

/* 侧边栏头部 */
.sidebar-header {
  padding: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #eee;
}

.sidebar-close {
  cursor: pointer;
  color: #666;
}

/* 侧边栏内容 */
.sidebar-content {
  padding: 15px 0;
}

/* 侧边栏部分 */
.sidebar-section {
  margin-bottom: 10px;
}

.sidebar-section-header {
  display: flex;
  align-items: center;
  padding: 8px 15px;
  cursor: pointer;
  transition: background-color 0.2s;
  border-radius: 4px;
}

.sidebar-section-header:hover {
  background-color: rgba(49, 130, 206, 0.1);
}

.sidebar-section-header h3 {
  margin: 0 0 0 10px;
  font-size: 15px;
  font-weight: 500;
  flex: 1;
}

.sidebar-section-header svg {
  color: #3182ce;
}

.sidebar-toggle-icon {
  transition: transform 0.3s ease;
}

.sidebar-section.active .sidebar-toggle-icon {
  transform: rotate(180deg);
}

/* 侧边栏菜单 */
.sidebar-section-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding-left: 35px;
}

.sidebar-section.active .sidebar-section-menu {
  max-height: 500px; /* 足够大的值以容纳所有菜单项 */
}

.sidebar-section-menu li {
  margin: 8px 0;
}

.sidebar-section-menu a {
  color: #4a5568;
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s;
  display: block;
  padding: 5px 10px;
  border-radius: 4px;
}

.sidebar-section-menu a:hover {
  color: #3182ce;
}

.sidebar-section-menu a.active {
  color: #3182ce;
  font-weight: 500;
  background-color: rgba(49, 130, 206, 0.1);
}

/* 侧边栏折叠按钮 */
.sidebar-collapse-btn {
  position: absolute;
  bottom: 20px;
  right: 10px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.sidebar.collapsed .sidebar-collapse-btn {
  transform: rotate(180deg);
}

/* 折叠时隐藏文本和子菜单 */
.sidebar.collapsed .sidebar-section-header h3,
.sidebar.collapsed .sidebar-toggle-icon,
.sidebar.collapsed .sidebar-section-menu,
.sidebar.collapsed .sidebar-header h2 {
  display: none;
}

.sidebar.collapsed .sidebar-section-header {
  justify-content: center;
  padding: 15px 0;
}

.font-geist-mono {
  font-family: 'SF Mono', SFMono-Regular, ui-monospace, 'Liberation Mono', Menlo, Courier, monospace;
}

pre {
  overflow-x: auto;
  font-family: 'SF Mono', SFMono-Regular, ui-monospace, 'Liberation Mono', Menlo, Courier, monospace;
  font-size: 14px;
  line-height: 1.4;
  position: relative; /* 确保复制按钮能够正确定位 */
}

code {
  font-family: 'SF Mono', SFMono-Regular, ui-monospace, 'Liberation Mono', Menlo, Courier, monospace;
}

/* 代码块复制按钮样式 */
.copy-button {
  position: absolute !important; /* 改为绝对定位确保精确位置 */
  top: 4px;
  right: 4px;
  background-color: rgba(50, 50, 50, 0.8);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s;
  float: none; /* 移除浮动 */
}

.copy-button:hover {
  background-color: rgba(70, 70, 70, 0.9);
}

/* Fine tune spacing */
article {
  transition: transform 0.15s ease;
}

article:hover {
  transform: translateY(-2px);
}

/* Custom scrollbar for code blocks */
pre::-webkit-scrollbar {
  height: 8px;
  width: 8px;
}

pre::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

pre::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Focus styles for accessibility */
a:focus, button:focus, input:focus, textarea:focus, select:focus {
  outline: 2px solid #4299e1;
  outline-offset: 2px;
}

/* Table of contents hover effect */
#toc a {
  position: relative;
}

#toc a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #3182ce;
  transition: width 0.2s ease;
}

#toc a:hover::after {
  width: 100%;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Media Queries */
@media (max-width: 640px) {
  pre {
    font-size: 12px;
  }
  
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* 悬浮按钮组样式 */
.floating-button-container {
  position: fixed;
  z-index: 100;
  bottom: 30px;
  right: 30px;
  user-select: none;
  touch-action: none;
}

.floating-button {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #3182ce;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: all 0.2s ease;
}

.floating-button:hover {
  transform: scale(1.1);
}

.floating-button.active {
  background-color: #2c5282;
}

.floating-menu {
  position: absolute;
  bottom: 60px;
  right: 0;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: none;
  flex-direction: column;
  gap: 12px;
  min-width: 120px;
}

.floating-menu.show {
  display: flex;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: #2d3748;
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-direction: row;
  width: 100%;
}

.menu-item:hover {
  background-color: rgba(49, 130, 206, 0.1);
}

.menu-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Touch/Drag styles */
.floating-button-container.dragging {
  opacity: 0.9;
}

/* 目录展开/收起功能 */
.toc-toggle {
  cursor: pointer;
  user-select: none;
  padding: 5px;
  border-radius: 4px;
  transition: background-color 0.2s;
  display: flex;
  align-items: center;
}

.toc-toggle:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.toc-content {
  max-height: 1000px; /* 足够大的高度以容纳所有内容 */
  opacity: 1;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
  width: 100%;
}

.toc-content.collapsed {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  margin-bottom: 0;
  overflow: hidden;
}

@media (max-width: 768px) {
  /* 移动端目录设置 */
  #toc {
    padding: 15px;
  }
  
  .toc-content {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
  }
  
  .toc-content.expanded {
    max-height: 1000px;
    opacity: 1;
    margin-top: 10px;
  }
  
  .toc-toggle .collapse-text,
  .toc-toggle .collapse-icon {
    display: none;
  }
  
  .toc-toggle .expand-text,
  .toc-toggle .expand-icon {
    display: block;
  }
  
  /* 移动端目录布局 */
  .toc-content {
    display: flex;
    flex-direction: column;
  }
  
  .toc-content > div {
    margin-bottom: 15px;
    width: 100%;
  }
  
  pre {
    white-space: pre-wrap !important; /* 移动端强制换行 */
    word-wrap: break-word !important;
    font-size: 13px; /* 稍微减小字体大小 */
    padding-top: 35px !important; /* 确保有足够空间放置按钮 */
  }
  
  .copy-button {
    top: 4px;
    right: 4px;
    padding: 3px 6px;
    font-size: 11px;
  }
}

@media (max-width: 640px) {
  .floating-button-container {
    bottom: 20px;
    right: 20px;
  }
  
  .floating-button {
    width: 45px;
    height: 45px;
  }
  
  .floating-button svg {
    width: 20px;
    height: 20px;
  }
  
  .menu-item {
    padding: 6px 10px;
    font-size: 14px;
  }
  
  .menu-item svg {
    width: 16px;
    height: 16px;
  }
  
  .floating-menu {
    min-width: 110px;
    padding: 10px;
    gap: 10px;
  }
}