/* ===========================================
   移动端样式 - Mobile Styles
   此文件仅在移动端设备加载
   =========================================== */

/* 响应式：移动端只显示一个国旗按钮 */
.nav-lang .lang-flag { display: none; }
.nav-lang .lang-dropdown { display: inline-flex; }

/* 移动端适配：导航间距与LOGO文字隐藏 */
.nav-menu { gap: 8px; }
.logo-text { display: none; }
.header-content { padding: 0 12px; }
.logo { gap: 6px; }

/* 隐藏编辑工具栏中的日期、字数和字号显示 */
.editor-date,
.editor-count,
.font-size-display {
  display: none;
}

/* 移动端输入区域字体控制栏优化 */
.input-font-controls {
  padding: 5px 8px;
  gap: 6px;
  flex-wrap: wrap;
}

.input-font-controls .editor-fontsize-control {
  flex-shrink: 0;
  gap: 5px;
}

.input-font-controls .editor-fontsize-control input[type="range"] {
  width: 80px;
}

.input-font-controls #editorFontSizeValue {
  font-size: 11px;
  min-width: 38px;
}

.input-font-controls .editor-fontfamily-controls {
  flex: 1;
  min-width: 0;
  gap: 5px;
}

.input-font-controls .editor-fontfamily-controls select {
  height: 26px;
  font-size: 11px;
  padding: 3px 6px;
  max-width: none;
}

/* 在移动端显示字体选择和字号控制 - 极度紧凑（主工具栏） */
.main-header-right .editor-fontsize-control {
  display: flex;
  align-items: center;
  gap: 2px;
}

.main-header-right .editor-fontsize-control input[type="range"] {
  width: 60px;
}

.main-header-right .editor-fontfamily-controls {
  display: flex;
  gap: 2px;
}

.editor-fontfamily-controls select {
  /* 使用"字"表示字体选择 */
  width: 62px;
  height: 26px;
  font-size: 0;  /* 隐藏下拉选项文字 */
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  background-color: var(--bg);
  cursor: pointer;
  text-align: center;
  color: var(--text);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.editor-fontfamily-controls select::after {
  content: "字";
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  position: absolute;
  pointer-events: none;
}

.editor-fontfamily-controls select:hover {
  background-color: var(--elev);
  border-color: var(--accent);
}

/* 第二个字体选择器显示"A" */
.editor-fontfamily-controls select:last-child::after {
  content: "A";
  font-family: serif;
  font-style: italic;
}

/* 优化编辑工具栏在移动端的显示 - 彻底压缩并强制单行 */
.editor-toolbar {
  /* 改为 flex 布局并强制单行 */
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
  gap: 3px;
  height: 38px;
  min-height: 38px;
}

.editor-toolbar-left,
.editor-toolbar-right {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  flex-shrink: 1;
}

/* 左侧可以压缩，右侧按钮保持固定 */
.editor-toolbar-left {
  flex: 1 1 auto;
  overflow: hidden;
  min-width: 60px;
}

.editor-toolbar-right {
  flex: 0 0 auto;
  flex-shrink: 0;
  gap: 1px;
}

/* 缩小按钮尺寸 */
.editor-toolbar .theme-icon-btn {
  min-width: 26px;
  width: 26px;
  height: 26px;
  padding: 2px;
  flex-shrink: 0;
}

.editor-toolbar .theme-icon-btn svg {
  width: 13px;
  height: 13px;
}

/* Logo 更紧凑 - 可以被压缩 */
.editor-toolbar-left .logo {
  gap: 3px;
  flex-shrink: 1;
  min-width: 0;
  overflow: hidden;
}

.editor-toolbar-left .logo-icon {
  width: auto;
  height: 28px;
  flex-shrink: 0;
}

/* 折叠按钮 */
.folder-collapse-btn {
  min-width: 26px;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

/* 星标按钮更紧凑 */
.editor-star-toggle {
  font-size: 14px;
  padding: 2px;
  min-width: 26px;
  width: 26px;
}

/* 压缩输入区域上下边距 */
.input-section {
  margin: 6px 8px;
  padding: 4px;
  border-radius: 8px;
}

/* 压缩文本输入框 */
#textInput {
  min-height: 60px;
  padding: 8px;
  font-size: 14px;
}

/* 压缩播放控制栏 */
.playback-controls {
  padding: 4px 6px;
  gap: 6px;
}

.playback-controls button {
  min-width: 32px;
  height: 32px;
  padding: 4px;
}

.playback-controls button svg {
  width: 18px;
  height: 18px;
}

/* 压缩进度条和音量控制 */
.progress-container,
.volume-container {
  gap: 4px;
}

.progress-bar,
.volume-slider {
  height: 32px;
}

/* 单栏布局，内容占满 */
.main-container { 
  grid-template-columns: 1fr; 
}

.folder-management.show { 
  display: block;  
}

/* 折叠按钮在移动端不需要显示 */
.sidebar-toggle-btn,
#headerSpeedValue {
  display: none;
}

.sidebar-stack {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 9999999; /* 抽屉位于遮罩之上 */
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border-right: 1px solid var(--border);
  box-shadow: 0 12px 32px rgba(0,0,0,0.22);
  width: calc(100vw - 80px); /* 留出右侧约80px空间 */
  max-width: 420px; /* 大屏幕时限制最大宽度 */
  padding-top: 0;
}

/* 展开时（main-container 不含 collapsed 类）侧滑进入 */
.main-container:not(.collapsed) #sidebarStack { 
  transform: translateX(0); 
}

.sidebar-stack .folder-management {
  border-right: none;
  height: 100%;
  width: 100%;
}

/* 移动端：抽屉子元素联动动画（随抽屉展开/收起一起滑动与淡入） */
.sidebar-stack .folder-management,
.sidebar-stack .sidebar-scroll,
.sidebar-stack .list-panel {
  transition: transform 0.3s ease, opacity 0.25s ease;
  will-change: transform, opacity;
}

#reading-mode .main-container{
  margin: 10px;
  padding: 0;
}

#reading-mode .content-area {
  padding: 10px;
}

/* 抽屉收起：子元素轻微左移并透明（与容器侧滑叠加更自然） */
.main-container.collapsed #sidebarStack .folder-management,
.main-container.collapsed #sidebarStack .list-panel,
.main-container.collapsed #sidebarStack .sidebar-scroll {
  transform: translateX(-16px);
  opacity: 0;
}

/* 抽屉展开：子元素归位并淡入 */
.main-container:not(.collapsed) #sidebarStack .folder-management,
.main-container:not(.collapsed) #sidebarStack .list-panel,
.main-container:not(.collapsed) #sidebarStack .sidebar-scroll {
  transform: translateX(0);
  opacity: 1;
}

.main-container.collapsed #sidebarStack {
  display: none;
}

/* 移动端：当抽屉展开时为内容区添加灰色透明遮罩以突出左侧菜单 */
.main-container.collapsed {
  grid-template-columns: 1fr;
}

/* 使用真实DOM元素而非伪元素，以便添加点击事件 */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 9999998; /* 高于内容与右侧工具栏，低于sidebar-stack */
  backdrop-filter: blur(5px) saturate(160%);
  -webkit-backdrop-filter: blur(5px) saturate(160%);
  cursor: pointer;
}

.main-header,
.main-header-left, .main-header-right {
  gap: 0;
}
.main-header-right .editor-fontfamily-controls {
  gap: 2px;
}

.main-header-right .editor-fontfamily-controls select {
  padding: 2px;
  width: 54px;
}

/* 移动端用户头像和下拉菜单优化 */
.main-header-right .user-profile-container {
  margin-left: 6px;
}

#userAvatarBtn {
  width: 28px;
  height: 28px;
}

#userAvatarBtn svg {
  width: 18px;
  height: 18px;
}

.user-dropdown-menu {
  min-width: 200px;
  max-width: calc(100vw - 32px);
  right: -8px;
}

.user-dropdown-header {
  padding: 12px 14px;
}

.user-dropdown-name {
  font-size: 14px;
  margin-bottom: 3px;
}

.user-dropdown-email {
  font-size: 11px;
}

.user-dropdown-item {
  padding: 10px 14px;
  font-size: 13px;
  gap: 10px;
}

.user-dropdown-item svg {
  width: 16px;
  height: 16px;
}

.user-dropdown-item:hover {
  padding-left: 18px;
}

/* 子菜单移动端优化 */
.user-submenu {
  min-width: 140px;
}

.submenu-item {
  padding: 9px 14px;
  font-size: 12px;
}

.submenu-item svg {
  width: 14px;
  height: 14px;
}

/* 当前主题/语言名称 */
#currentThemeName,
#currentLangName {
  font-size: 13px;
}

.main-container:not(.collapsed) .sidebar-overlay {
  display: block;
}

/* PWA Toast 移动端适配 */
@media (max-width: 640px) {
  .pwa-toast {
    left: 16px;
    right: 16px;
  }
}

/* 播放控制栏移动端适配 */
@media (max-width: 480px) {
  .play-control-bar .header-voice-controls {
    flex: 0 0 auto;
    gap: 4px;
  }
  
  #headerSpeedRange {
    width: 80px;
  }
  
  #headerSpeedValue {
    font-size: 11px;
    min-width: 36px;
  }
  
  #headerVoiceSelect {
    min-width: 100px;
    max-width: 140px;
    height: 28px;
    font-size: 11px;
    padding: 3px 6px;
  }
  
  /* 超小屏幕下字体控制栏优化 */
  .input-font-controls {
    padding: 4px 6px;
    gap: 5px;
  }
  
  .input-font-controls .editor-fontsize-control input[type="range"] {
    width: 70px;
  }
  
  .input-font-controls #editorFontSizeValue {
    font-size: 10px;
    min-width: 36px;
  }
  
  .input-font-controls .editor-fontfamily-controls select {
    height: 24px;
    font-size: 10px;
    padding: 2px 5px;
  }
  
  /* 超小屏幕下进一步优化用户菜单 */
  .user-dropdown-menu {
    min-width: 180px;
    border-radius: 10px;
  }
  
  .user-dropdown-header {
    padding: 10px 12px;
  }
  
  .user-dropdown-name {
    font-size: 13px;
  }
  
  .user-dropdown-email {
    font-size: 10px;
  }
  
  .user-dropdown-item {
    padding: 8px 10px;
    font-size: 12px;
    gap: 8px;
  }
  
  .user-dropdown-item:hover {
    padding-left: 16px;
  }
  
  .submenu-item {
    padding: 8px 12px;
    font-size: 11px;
  }
  
  #currentThemeName,
  #currentLangName {
    font-size: 12px;
  }
}

/* 播放控制栏移动端基础样式 */
.play-control-bar .header-voice-controls {
  gap: 6px;
}

#headerSpeedRange {
  width: 100px;
}

#headerSpeedValue {
  font-size: 12px;
  min-width: 38px;
}

#headerVoiceSelect {
  min-width: 120px;
  max-width: 160px;
  height: 30px;
  font-size: 12px;
  padding: 4px 8px;
}
.sidebar-scroll {
  height: 94vh;
}

/* ========================================
   EasyMDE Markdown 编辑器移动端优化
   ======================================== */

/* 移动端默认样式（≤768px） */
.input-section .EasyMDEContainer .editor-toolbar {
  padding: 3px 4px;
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 2px;
  -webkit-overflow-scrolling: touch;
}

.input-section .EasyMDEContainer .editor-toolbar button {
  padding: 4px 5px;
  font-size: 14px;
  min-width: 28px;
  flex-shrink: 0;
}

/* 移动端隐藏分隔符 */
.input-section .EasyMDEContainer .editor-toolbar i.separator {
  display: none;
}

.input-section .EasyMDEContainer .CodeMirror {
  min-height: 150px;
  font-size: calc(13px * var(--font-scale));
}
.editor-panels {
  padding-top: 40px;
}
/* 小屏移动端：超紧凑工具栏（≤480px） */
@media (max-width: 480px) {
  .input-section .EasyMDEContainer .editor-toolbar {
    padding: 2px 3px;
    gap: 1px;
    scrollbar-width: none; /* Firefox */
  }
  
  /* 隐藏滚动条 */
  .input-section .EasyMDEContainer .editor-toolbar::-webkit-scrollbar {
    display: none;
  }
  
  .input-section .EasyMDEContainer .editor-toolbar button {
    padding: 3px 4px;
    height: 28px;
    min-width: 26px;
  }
  
  /* 按钮图标更小 */
  .input-section .EasyMDEContainer .editor-toolbar button i {
    font-size: 14px;
  }
}

/* ===============================================
   移动端文档列表项 - 默认显示操作按钮
   =============================================== */
@media (max-width: 768px) {
  /* 移动端默认显示星号和垃圾桶 */
  .doc-item-actions {
    opacity: 1 !important;
    transform: translateX(0) !important;
    pointer-events: auto !important;
  }

  /* 移动端始终显示删除按钮 */
  .doc-action-btn.delete-btn {
    opacity: 1 !important;
    transform: scale(1) !important;
  }

  /* 移动端默认为内容区域留出空间（星号+垃圾桶） */
  .doc-item-content {
    padding-right: 70px !important;
  }

  /* 已收藏的文档也是相同空间 */
  .doc-item:has(.fav-btn.active) .doc-item-content {
    padding-right: 70px !important;
  }
}