/* playground.css - 完整版 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-color, #f5f5f5);
  color: var(--text-color, #333);
}

#pg-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  background-color: var(--header-bg, #fff);
  border-bottom: 1px solid var(--border-color, #ddd);
}

#pg-header h1 {
  font-size: 1.5rem;
  margin: 0;
}

.subtitle {
  color: var(--text-secondary, #666);
  font-size: 0.9rem;
}

#theme-toggle {
  margin-left: auto;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

#pg-layout {
  display: flex;
  min-height: calc(100vh - 70px);
}

#pg-sidebar {
  width: 200px;
  padding: 1rem 0;
  background-color: var(--sidebar-bg, #fafafa);
  border-right: 1px solid var(--border-color, #ddd);
}

#pg-sidebar ul {
  list-style: none;
}

#pg-sidebar li {
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  color: var(--text-color, #333);
}

#pg-sidebar li:hover {
  background-color: var(--hover-bg, #eee);
}

#pg-sidebar li.active {
  background-color: var(--primary-light, #e3f2fd);
  border-right: 3px solid var(--primary-color, #2196f3);
}

#pg-content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

.comp-section {
  margin-bottom: 3rem;
  scroll-margin-top: 1rem;
}

.comp-section h2 {
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.comp-desc {
  color: var(--text-secondary, #666);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.comp-preview {
  padding: 1.5rem;
  background-color: var(--preview-bg, #fff);
  border: 1px solid var(--border-color, #ddd);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.comp-code {
  background-color: var(--code-bg, #f8f8f8);
  border: 1px solid var(--border-color, #ddd);
  border-radius: 4px;
  padding: 1rem;
  margin-top: 0.5rem;
  position: relative;
  display: none; /* 默认隐藏 */
}

.comp-code pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 0.9rem;
}

.toggle-code-btn {
  margin-top: 0.5rem;
  background: none;
  border: 1px solid var(--border-color, #ccc);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
}

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--button-bg, #fff);
  border: 1px solid var(--border-color, #ccc);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.7rem;
  cursor: pointer;
}
/* ===== 响应式断点 ===== */

/* 默认隐藏汉堡菜单（桌面和平板） */
.menu-toggle {
  display: none;
}

/* 桌面端 (>1024px) */
@media (min-width: 1025px) {
  #pg-sidebar {
    width: 200px;
  }
  /* 卡片三列（如果预览区用 grid 会自动适应，这里放一个 fallback） */
  .comp-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .comp-preview > * {
    flex: 1 1 calc(33.333% - 1rem);
  }
}

/* 平板端 (769px ~ 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  #pg-sidebar {
    width: 150px;  /* 侧边栏变窄 */
  }
  .comp-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .comp-preview > * {
    flex: 1 1 calc(50% - 1rem); /* 卡片双列 */
  }
}

/* 手机端 (<768px) */
@media (max-width: 768px) {
  .menu-toggle {
    display: inline-block;  /* 显示汉堡菜单 */
  }
  #pg-sidebar {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 200px;
    height: calc(100vh - 70px);
    background: var(--sidebar-bg, #fafafa);
    border-right: 1px solid var(--border-color, #ddd);
    z-index: 100;
    overflow-y: auto;
  }
  #pg-sidebar.active {
    display: block;
  }

  #pg-header {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  #pg-header h1 {
    font-size: 1.2rem;
  }
  .subtitle {
    display: none;  /* 隐藏副标题 */
  }

  /* 按钮、输入框全宽 */
  .comp-preview button,
  .comp-preview .btn,
  .comp-preview input,
  .comp-preview .input {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  /* 卡片单列 */
  .comp-preview {
    display: block;
  }
  .comp-preview .card {
    width: 100%;
    margin-bottom: 1rem;
  }

  /* 模态框示例手机全屏 */
  .comp-preview .modal {
    width: 100%;
    max-width: none;
    border-radius: 0;
  }

  /* 面包屑手机折叠（只显示首尾） */
  .breadcrumb span:nth-child(n+2):nth-last-child(n+2) {
    display: none;
  }
}