/* help-manual.css — /help ページ専用スタイル (nano banana mockup ベース、Issue #44) */

/* ヘルプページ全体のレイアウト */
.page-help-manual {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ヘルプヘッダー */
.page-help-manual .page-header {
  background-color: var(--primary-bg-color);
  color: #fff;
  padding: 8px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-help-manual .page-header-title {
  margin: 0;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 上部検索 */
.page-help-manual .page-search-container {
  background-color: #fff;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

.page-help-manual .search-input-wrapper {
  position: relative;
  width: 100%;
}

.page-help-manual .search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--empty-cell-color);
}

.page-help-manual .search-input {
  border: 1px solid var(--border-color);
  padding: 4px 8px 4px 28px;
  border-radius: var(--radius-normal);
  font-family: inherit;
  font-size: 0.95em;
  width: 100%;
  box-sizing: border-box;
}

/* メインコンテンツ (サイドバー + Markdown) */
.page-help-manual .main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* 左サイドバー (目次) */
.page-help-manual .main-content .sidebar {
  width: 280px;
  background-color: #f9fafb;
  border-right: 1px solid var(--border-color);
  padding: 16px;
  overflow-y: auto;
}

.page-help-manual .main-content .sidebar .toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-help-manual .main-content .sidebar .toc-item {
  margin-bottom: 4px;
}

.page-help-manual .main-content .sidebar .toc-link {
  text-decoration: none;
  color: #333;
  font-size: 0.9em;
  display: block;
  padding: 4px 8px;
  border-radius: var(--radius-normal);
  transition: background-color 0.2s, color 0.2s;
}

.page-help-manual .main-content .sidebar .toc-link:hover {
  background-color: #e2e8f0;
}

/* クリックで該当 anchor へジャンプ、選択中はハイライト */
.page-help-manual .main-content .sidebar .toc-item-selected .toc-link,
.page-help-manual .main-content .sidebar .toc-link.active {
  background-color: var(--accent-color);
  color: white;
  font-weight: bold;
}

/* メインエリア (Markdown レンダリング) */
.page-help-manual .main-content .markdown-area {
  flex: 1;
  background-color: #fff;
  padding: 16px 24px;
  overflow-y: auto;
}

/* Markdown 見出し */
.page-help-manual .main-content .markdown-area h1,
.page-help-manual .main-content .markdown-area h2,
.page-help-manual .main-content .markdown-area h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-help-manual .main-content .markdown-area h1 { font-size: 1.5rem; }
.page-help-manual .main-content .markdown-area h2 { font-size: 1.25rem; }
.page-help-manual .main-content .markdown-area h3 { font-size: 1.125rem; }

.page-help-manual .main-content .markdown-area p {
  line-height: 1.7;
  margin-bottom: 1rem;
}

.page-help-manual .main-content .markdown-area ul,
.page-help-manual .main-content .markdown-area ol {
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* テーブル */
.page-help-manual .main-content .markdown-area table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.9em;
  border: 1px solid var(--border-color);
}

.page-help-manual .main-content .markdown-area table th {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid #333;
  background-color: #f1f3f5;
}

.page-help-manual .main-content .markdown-area table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-color);
}

/* コード */
.page-help-manual .main-content .markdown-area code {
  font-family: 'Courier New', Courier, monospace;
  background-color: #f1f3f5;
  padding: 2px 4px;
  border-radius: var(--radius-normal);
  font-size: 0.9em;
}

.page-help-manual .main-content .markdown-area pre {
  background-color: #f1f3f5;
  padding: 12px;
  border-radius: var(--radius-normal);
  overflow-x: auto;
  margin-bottom: 1rem;
}

.page-help-manual .main-content .markdown-area pre code {
  display: block;
  background: transparent;
  padding: 0;
  line-height: 1.4;
  white-space: pre-wrap;
}

/* blockquote */
.page-help-manual .main-content .markdown-area blockquote {
  border-left: 3px solid var(--accent-color);
  background: #fffbeb;
  padding: 8px 12px;
  margin: 12px 0;
  color: #555;
}

/* リンク */
.page-help-manual .main-content .markdown-area a {
  color: var(--accent-color);
  text-decoration: none;
}

.page-help-manual .main-content .markdown-area a:hover {
  text-decoration: underline;
}