styles.css

/* 公众号排版助手 - 专业预览视图样式 */

/* 全局样式 - 控制页面滚动 */
body.md2wechat-no-scroll {
  overflow: hidden !important;
}

/* 主容器 - 占满整个视图区域 */
.md2wechat-view-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  background: var(--background-primary);
}

/* 极简工具栏设计 */
.md2wechat-minimal-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--background-secondary);
  border-bottom: 1px solid var(--background-modifier-border);
  flex-shrink: 0;
  min-height: 48px;
}

.md2wechat-toolbar-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-normal);
  margin: 0;
}

/* 纯图标组 - 无容器，仿照官方左侧工具栏 */
.md2wechat-icon-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 纯图标样式 - 完全无容器背景 */
.md2wechat-icon {
  width: 18px;
  height: 18px;
  color: var(--icon-color);
  cursor: pointer;
  transition: color 0.1s ease-in-out;
  flex-shrink: 0;
}

.md2wechat-icon:hover {
  color: var(--icon-color-hover);
}

.md2wechat-icon:active {
  color: var(--icon-color-active);
}

.md2wechat-icon-active {
  color: var(--interactive-accent) !important;
}

/* 图标反馈状态 */
.md2wechat-icon-success {
  color: #10ac84 !important;
  transform: scale(1.1);
  transition: all 0.2s ease;
}

.md2wechat-icon-error {
  color: #ff3b30 !important;
  transform: scale(1.1);
  transition: all 0.2s ease;
}

.md2wechat-icon-info {
  color: #f39c12 !important;
  transform: scale(1.05);
  transition: all 0.2s ease;
}

/* SVG 图标直接样式 - 官方风格 */
.md2wechat-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  stroke: currentColor;
  fill: currentColor;
  stroke-width: 0;
}

.md2wechat-drawer-close-btn svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
}

/* 遮罩层 */
.md2wechat-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  backdrop-filter: blur(2px);
}

.md2wechat-overlay-visible {
  opacity: 1;
  visibility: visible;
}

/* 抽屉面板 */
.md2wechat-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  background: var(--background-primary);
  border-left: 1px solid var(--background-modifier-border);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
  display: flex;
  flex-direction: column;
}

.md2wechat-drawer-open {
  transform: translateX(0);
}

/* 抽屉头部 */
.md2wechat-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 16px 24px;
  border-bottom: 1px solid var(--background-modifier-border);
  flex-shrink: 0;
}

.md2wechat-drawer-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-normal);
  margin: 0;
}

/* 抽屉关闭图标 - 纯图标样式 */
.md2wechat-drawer-close-icon {
  width: 16px;
  height: 16px;
  color: var(--icon-color);
  cursor: pointer;
  transition: color 0.1s ease-in-out;
  flex-shrink: 0;
}

.md2wechat-drawer-close-icon:hover {
  color: var(--icon-color-hover);
}

.md2wechat-drawer-close-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* 抽屉内容 */
.md2wechat-drawer-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* 抽屉设置项 */
.md2wechat-drawer-section {
  margin-bottom: 24px;
}

.md2wechat-drawer-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-normal);
  margin-bottom: 8px;
}

.md2wechat-drawer-select {
  width: 100%;
  background: var(--background-secondary);
  border: 1px solid var(--background-modifier-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-normal);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-interface);
  
  /* 🔧 强制确保select选项可见性 */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236c757d' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px 12px;
  
  /* 确保在transform容器中正常渲染 */
  transform: translateZ(0);
  will-change: contents;
}

.md2wechat-drawer-select:hover {
  border-color: var(--interactive-accent);
  background: var(--background-modifier-hover);
}

.md2wechat-drawer-select:focus {
  outline: none;
  border-color: var(--interactive-accent);
  box-shadow: 0 0 0 3px var(--interactive-accent-alpha);
}

/* 🔧 强制option元素正确显示 */
.md2wechat-drawer-select option {
  background: var(--background-secondary);
  color: var(--text-normal);
  padding: 8px 12px;
  border: none;
  font-size: 14px;
  font-family: var(--font-interface);
}

.md2wechat-drawer-select option:checked,
.md2wechat-drawer-select option[selected] {
  background: var(--interactive-accent);
  color: var(--text-on-accent);
  font-weight: 500;
}

/* 🔧 自定义选择器样式 - 完全替代原生select */
.md2wechat-custom-select {
  position: relative;
  width: 100%;
}

.md2wechat-custom-select-button {
  width: 100%;
  background: var(--background-secondary);
  border: 1px solid var(--background-modifier-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-normal);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-interface);
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  outline: none;
}

.md2wechat-custom-select-button:hover {
  border-color: var(--interactive-accent);
  background: var(--background-modifier-hover);
}

.md2wechat-custom-select-button:focus {
  border-color: var(--interactive-accent);
  box-shadow: 0 0 0 3px var(--interactive-accent-alpha);
}

.md2wechat-custom-select-arrow {
  font-size: 12px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  margin-left: 8px;
  flex-shrink: 0;
}

.md2wechat-custom-select-options {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--background-primary);
  border: 1px solid var(--background-modifier-border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  max-height: 200px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 4px;
}

.md2wechat-custom-select-options-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.md2wechat-custom-select-option {
  padding: 10px 16px;
  cursor: pointer;
  transition: background-color 0.1s ease;
  border-bottom: 1px solid var(--background-modifier-border-hover);
  font-size: 14px;
  color: var(--text-normal);
}

.md2wechat-custom-select-option:last-child {
  border-bottom: none;
}

.md2wechat-custom-select-option:hover {
  background: var(--background-modifier-hover);
}

.md2wechat-custom-select-option-selected {
  background: var(--interactive-accent);
  color: var(--text-on-accent);
  font-weight: 500;
}

.md2wechat-custom-select-option-selected:hover {
  background: var(--interactive-accent-hover);
}



/* 预览容器 - 主内容区域 */
.md2wechat-preview-container {
  flex: 1;
  display: flex;
  justify-content: center;
  overflow: hidden;
  background: var(--background-primary);
}

/* 内容区域 - 智能响应式设计 */
.md2wechat-content-area {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  background: #ffffff;
  position: relative;
  
  /* 默认样式 - 适合中等宽度侧边栏 (350px+) */
  padding: 20px 16px;
  margin: 12px;
  border-radius: 6px;
  box-shadow: 
    0 0 0 1px var(--background-modifier-border),
    0 2px 8px rgba(0, 0, 0, 0.08);
}

/* 深色模式下的内容区域 */
.theme-dark .md2wechat-content-area {
  background: var(--background-primary);
  box-shadow: 
    0 0 0 1px var(--background-modifier-border),
    0 2px 8px rgba(0, 0, 0, 0.2);
}

/* 占位符样式 - 空状态设计 */
.md2wechat-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  min-height: 300px;
  color: var(--text-muted);
  padding: 40px 20px;
}

.md2wechat-placeholder-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.6;
}

.md2wechat-placeholder h3 {
  margin: 0 0 12px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-normal);
}

.md2wechat-placeholder p {
  margin: 0 0 24px 0;
  font-size: 14px;
  line-height: 1.5;
  max-width: 280px;
}

.md2wechat-placeholder-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.md2wechat-placeholder-steps .step {
  font-size: 13px;
  padding: 8px 12px;
  background: var(--background-modifier-hover);
  border-radius: 16px;
  border-left: 3px solid var(--interactive-accent);
  font-weight: 500;
}

/* 滚动条优化 */
.md2wechat-content-area::-webkit-scrollbar {
  width: 6px;
}

.md2wechat-content-area::-webkit-scrollbar-track {
  background: transparent;
}

.md2wechat-content-area::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb-bg);
  border-radius: 3px;
}

.md2wechat-content-area::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-bg-hover);
}

/* 公众号内容样式优化 */
.md2wechat-content-area h1,
.md2wechat-content-area h2,
.md2wechat-content-area h3,
.md2wechat-content-area h4,
.md2wechat-content-area h5,
.md2wechat-content-area h6 {
  margin-top: 20px;
  margin-bottom: 12px;
  line-height: 1.3;
}

.md2wechat-content-area h1 {
  margin-top: 0;
}

.md2wechat-content-area p {
  margin-bottom: 12px;
  line-height: 1.6;
}

.md2wechat-content-area img {
  max-width: 100%;
  height: auto;
  border-radius: 3px;
  margin: 12px 0;
}

.md2wechat-content-area blockquote {
  margin: 12px 0;
  padding: 12px;
  border-left: 3px solid var(--interactive-accent);
  background: var(--background-modifier-hover);
  border-radius: 0 3px 3px 0;
}

.md2wechat-content-area code {
  background: var(--code-background);
  padding: 2px 4px;
  border-radius: 2px;
  font-family: var(--font-monospace);
  font-size: 0.88em;
}

.md2wechat-content-area pre {
  background: var(--code-background);
  padding: 12px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 12px 0;
  font-size: 0.9em;
}

.md2wechat-content-area ul,
.md2wechat-content-area ol {
  padding-left: 20px;
  margin-bottom: 12px;
}

.md2wechat-content-area li {
  margin-bottom: 6px;
  line-height: 1.5;
}

/* 响应式设计 - 针对 Obsidian 侧边栏优化 */

/* 极窄侧边栏 (< 280px) - 最紧凑布局 */
.md2wechat-view-wrapper {
  container-type: inline-size;
}

@container (max-width: 279px) {
  .md2wechat-content-area {
    margin: 4px;
    padding: 12px 8px;
    border-radius: 3px;
  }
  
  .md2wechat-minimal-toolbar {
    padding: 8px 12px;
    min-height: 44px;
  }
  
  .md2wechat-toolbar-title {
    font-size: 13px;
  }
  
  .md2wechat-icon-group {
    gap: 10px;
  }
  
  .md2wechat-icon {
    width: 16px;
    height: 16px;
  }
  
  /* 抽屉在极窄屏幕下占满宽度 */
  .md2wechat-drawer {
    width: 100vw;
    left: 0;
  }
  
  .md2wechat-drawer-header {
    padding: 16px 16px 12px 16px;
  }
  
  .md2wechat-drawer-title {
    font-size: 16px;
  }
  
  .md2wechat-drawer-content {
    padding: 16px;
  }
  
  .md2wechat-drawer-section {
    margin-bottom: 20px;
  }
  
  .md2wechat-drawer-select {
    padding: 10px 12px;
    font-size: 13px;
  }
  
  .md2wechat-placeholder {
    padding: 16px 8px;
    min-height: 200px;
  }
  
  .md2wechat-placeholder h3 {
    font-size: 16px;
  }
  
  .md2wechat-placeholder p {
    font-size: 12px;
  }
  
  /* 更紧凑的内容间距 */
  .md2wechat-content-area h1,
  .md2wechat-content-area h2,
  .md2wechat-content-area h3,
  .md2wechat-content-area h4,
  .md2wechat-content-area h5,
  .md2wechat-content-area h6 {
    margin-top: 16px;
    margin-bottom: 8px;
  }
  
  .md2wechat-content-area p {
    margin-bottom: 8px;
    line-height: 1.5;
  }
  
  .md2wechat-content-area blockquote,
  .md2wechat-content-area pre {
    margin: 8px 0;
    padding: 8px;
  }
  
  .md2wechat-content-area ul,
  .md2wechat-content-area ol {
    padding-left: 16px;
    margin-bottom: 8px;
  }
}

/* 窄侧边栏 (280px - 349px) - 紧凑布局 */
@container (min-width: 280px) and (max-width: 349px) {
  .md2wechat-content-area {
    margin: 6px;
    padding: 16px 10px;
  }
  
  .md2wechat-minimal-toolbar {
    padding: 10px 14px;
  }
  
  .md2wechat-toolbar-title {
    font-size: 14px;
  }
  
  .md2wechat-icon-group {
    gap: 11px;
  }
  
  .md2wechat-icon {
    width: 17px;
    height: 17px;
  }
  
  .md2wechat-drawer {
    width: 280px;
  }
  
  .md2wechat-drawer-header {
    padding: 18px 20px 14px 20px;
  }
  
  .md2wechat-drawer-title {
    font-size: 17px;
  }
  
  .md2wechat-drawer-content {
    padding: 20px;
  }
  
  .md2wechat-drawer-section {
    margin-bottom: 22px;
  }
  
  .md2wechat-placeholder {
    padding: 20px 10px;
    min-height: 240px;
  }
}

/* 中等侧边栏 (350px - 499px) - 标准布局 */
@container (min-width: 350px) and (max-width: 499px) {
  .md2wechat-minimal-toolbar {
    padding: 11px 16px;
  }
  
  .md2wechat-drawer {
    width: 300px;
  }
  
  .md2wechat-drawer-content {
    padding: 22px;
  }
}

/* 宽侧边栏 (> 500px) - 更舒适的布局 */
@container (min-width: 500px) {
  .md2wechat-content-area {
    margin: 16px;
    padding: 24px 20px;
    max-width: 420px; /* 恢复最佳阅读宽度限制 */
  }
  
  .md2wechat-minimal-toolbar {
    padding: 14px 20px;
    min-height: 52px;
  }
  
  .md2wechat-toolbar-title {
    font-size: 16px;
  }
  
  .md2wechat-icon-group {
    gap: 14px;
  }
  
  .md2wechat-icon {
    width: 20px;
    height: 20px;
  }
  
  .md2wechat-drawer {
    width: 360px;
  }
  
  .md2wechat-drawer-header {
    padding: 24px 28px 20px 28px;
  }
  
  .md2wechat-drawer-title {
    font-size: 20px;
  }
  
  .md2wechat-drawer-content {
    padding: 28px;
  }
  
  .md2wechat-drawer-section {
    margin-bottom: 28px;
  }
  
  .md2wechat-drawer-label {
    font-size: 15px;
    margin-bottom: 10px;
  }
  
  .md2wechat-drawer-select {
    padding: 14px 18px;
    font-size: 15px;
    border-radius: 10px;
  }
  
  .md2wechat-placeholder {
    padding: 32px 20px;
  }
  
  /* 更宽松的内容间距 */
  .md2wechat-content-area h1,
  .md2wechat-content-area h2,
  .md2wechat-content-area h3,
  .md2wechat-content-area h4,
  .md2wechat-content-area h5,
  .md2wechat-content-area h6 {
    margin-top: 24px;
    margin-bottom: 16px;
  }
  
  .md2wechat-content-area p {
    margin-bottom: 16px;
    line-height: 1.7;
  }
}

/* 回退方案 - 如果不支持 container queries */
@supports not (container-type: inline-size) {
  @media (max-width: 350px) {
    .md2wechat-content-area {
      margin: 4px;
      padding: 12px 8px;
    }
    
    .md2wechat-toolbar {
      padding: 8px 8px;
    }
  }
}

/* 动画效果 */
.md2wechat-content-area {
  transition: all 0.3s ease;
}

.md2wechat-view-wrapper {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}