/* ========================================
   しおりメニュー�E�モーダル�E�E
======================================== */

/* =====================================
[REF]
- HTML: #bookmarkMenu.bookmark-menu
- JS: assets/ui.js（visible クラス付与）
- STATE: なし
- LAYER: z-index（--z-bookmark-menu）
- SPLIT: GROUP
===================================== */
.bookmark-menu {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-bookmark-menu);
}

/* =====================================
[REF]
- HTML: #bookmarkMenu.bookmark-menu.visible
- JS: assets/ui.js（visible クラス付与/解除）
- STATE: .visible
- LAYER: なし
- SPLIT: LAST
===================================== */
.bookmark-menu.visible {
  display: flex;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .modal-content
- JS: なし
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-menu .modal-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  max-width: 500px;
  width: 90%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .modal-header
- JS: なし
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-menu .modal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}

.bookmark-menu .modal-body {
  overflow-y: auto;
  flex: 1;
  padding-right: 0.5rem;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .modal-header h3
- JS: assets/js/ui/renderers.js（タイトル更新）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-menu .modal-header h3 {
  font-size: 1.25rem;
  margin: 0;
  flex: 1;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .toc-section
- JS: assets/js/ui/renderers.js（目次描画）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.toc-section {
  margin-bottom: 1rem;
  padding: 0 1.5rem 0.5rem;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .toc-title
- JS: assets/js/ui/renderers.js（目次タイトル）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.toc-title {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .toc-list
- JS: assets/js/ui/renderers.js（目次リスト描画）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
  max-height: 240px;
  overflow-y: auto;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .toc-item
- JS: assets/js/ui/renderers.js（目次リスト描画）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.toc-item {
  width: 100%;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .toc-link
- JS: assets/app.js（目次ジャンプ）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.toc-link {
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.75rem;
  background: rgba(148, 163, 184, 0.1);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: inherit;
  cursor: pointer;
  transition: background 0.2s ease;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .toc-link:hover
- JS: なし
- STATE: :hover
- LAYER: なし
- SPLIT: LAST
===================================== */
.toc-link:hover {
  background: rgba(148, 163, 184, 0.2);
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .bookmark-list
- JS: assets/js/ui/renderers.js（しおりリスト描画）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .bookmark-item
- JS: assets/js/ui/renderers.js（しおりリスト描画）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: rgba(139, 92, 246, 0.05);
  border: 1px solid var(--border);
  border-left: 4px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s ease;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .bookmark-item:hover
- JS: なし
- STATE: :hover
- LAYER: なし
- SPLIT: LAST
===================================== */
.bookmark-item:hover {
  background: rgba(139, 92, 246, 0.1);
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .bookmark-info
- JS: なし
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-info {
  flex: 1;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .bookmark-label
- JS: assets/js/ui/renderers.js（ラベル更新）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .bookmark-meta
- JS: assets/js/ui/renderers.js（メタ情報更新）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-meta {
  font-size: 0.875rem;
  color: var(--muted);
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .bookmark-color-dot
- JS: assets/js/ui/renderers.js（色表示）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-color-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #fbbf24;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .bookmark-delete
- JS: assets/app.js（削除操作）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.bookmark-delete {
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.25rem;
  transition: color 0.2s ease;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .bookmark-delete:hover
- JS: なし
- STATE: :hover
- LAYER: なし
- SPLIT: LAST
===================================== */
.bookmark-delete:hover {
  color: #ef4444;
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .add-bookmark-btn
- JS: assets/app.js（追加処理）
- STATE: なし
- LAYER: なし
- SPLIT: GROUP
===================================== */
.add-bookmark-btn {
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
}

/* =====================================
[REF]
- HTML: #bookmarkMenu .add-bookmark-btn:hover
- JS: なし
- STATE: :hover
- LAYER: なし
- SPLIT: LAST
===================================== */
.add-bookmark-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
}