/**
 * ドックシステム CSS
 * 
 * カスタマイズ可能なツールバーレイアウト用のスタイル
 * Feature Flag: USE_NEW_DOCK_SYSTEM が有効な場合のみ使用
 */

/* ===========================================
   CSS Variables (ドックシステム専用)
   =========================================== */
:root {
  --dock-col-width: 72px;
  --dock-row-height: 72px;
  --dock-widget-size: 56px;
  --dock-gap: 4px;
  --dock-widget-radius: 8px;
}

/* ===========================================
   Dock Layout Container
   =========================================== */
.dock-layout {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-areas:
    "top    top    top"
    "left   .      right"
    "bottom bottom bottom";
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto 1fr auto;
  pointer-events: none;
  z-index: var(--z-index-dock);
}

.dock-layout.hidden {
  display: none;
}

.dock-layout > * {
  pointer-events: auto;
}

#area-top {
  grid-area: top;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

#area-bottom {
  grid-area: bottom;
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.15);
}

#area-left {
  grid-area: left;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.15);
}

#area-right {
  grid-area: right;
  box-shadow: -2px 0 5px rgba(0, 0, 0, 0.15);
}

.dock-wrapper {
  display: grid;
  width: 100%;
  height: 100%;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 1fr;
}

.dock-main-row {
  display: flex;
  flex: 1;
  min-height: 0;
  height: 0; /* スクロールを機能させるために必要 */
}

.dock-viewport-container {
  flex: 1;
  min-width: 0;
  position: relative;
}

/* ===========================================
   Dock Areas
   =========================================== */
.dock-area {
  background: var(--kaku-bg-primary);
  transition: all 0.2s ease;
  box-shadow: var(--kaku-shadow-sm);
  z-index: 10;
  position: relative;
}

.dock-area-h {
  width: 100%;
  min-height: var(--dock-row-height);
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  /* 初期状態は左揃え（スクロール可能）、JSで動的に変更 */
  justify-content: flex-start;
}

.dock-area-h::-webkit-scrollbar {
  display: none;
}

/* 複数行ドックレイアウト（Phase 2: sub ライン対応） */
.dock-area-multi-row {
  flex-direction: column;
  min-height: auto;
}

.dock-area-multi-row .dock {
  width: 100%;
}

.dock-area-v {
  min-width: 0;
  display: flex;
  flex-direction: row; /* 列1と列2を横に並べる */
  align-items: flex-start; /* デフォルトは上揃え */
  /* gridレイアウト内でスクロール可能にする */
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

/* Webkit用スクロールバー非表示 */
.dock-area-v::-webkit-scrollbar {
  display: none;
}

.dock-area-v::-webkit-scrollbar {
  width: 4px;
}

/* Dock Area Borders are defined inline with grid-area */

/* ===========================================
   Docks (Integrated System)
   =========================================== */
.dock {
  display: flex !important; /* Block-based layout を考慮し Flexbox に移行 */
  gap: 0;
  padding: 0;
  overflow: visible;
  position: relative;
  align-items: center;
}

/* 縦ドック */
.dock-v {
  flex-direction: column;
  width: var(--dock-col-width);
  height: auto;
  min-height: min-content;
  flex-shrink: 0;
}

/* 横ドック */
.dock-h {
  flex-direction: row;
  height: var(--dock-row-height);
  width: auto; /* max-contentを削除し、親の幅に収める */
  min-width: 0;
  flex-shrink: 0;
}

/* ===========================================
   Dock Units (Blocks)
   =========================================== */
.dock-unit {
  display: flex;
  align-items: center;
  justify-content: center;
}

.dock-v .dock-unit {
  flex-direction: column;
  width: 100%;
}

.dock-h .dock-unit {
  flex-direction: row;
  height: 100%;
}

/* ナビゲーションユニット特有のスタイル - 水色指定を削除 */
.unit-navigation .ts-btn {
}

/* ===========================================
   Dock Slots
   =========================================== */
.dock-slot {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  transition: all 0.2s;
  flex-shrink: 0;
}

.dock-h .dock-slot {
  width: auto;
  min-width: var(--dock-widget-size);
  height: var(--dock-row-height);
}

.dock-v .dock-slot {
  width: var(--dock-col-width);
  height: auto;
  min-height: var(--dock-widget-size);
}

/* 編集モード時のスロット */
body.dock-edit-mode .dock-slot {
  border: 1px dashed var(--border-color);
  background: var(--kaku-bg-ghost);
}

body.dock-edit-mode .dock-slot:empty {
  background: var(--kaku-bg-ghost);
  border-color: var(--text-muted);
  opacity: 0.7;
}

.dock-slot.drag-over {
  background: rgba(255, 255, 255, 0.15) !important;
  border-color: var(--accent-color) !important;
  border-style: solid;
  box-shadow: inset 0 0 10px var(--accent-color);
}

/* ===========================================
   Group Divider (Block Separator)
   =========================================== */
.dock-group-divider {
  display: flex !important;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  flex-shrink: 0;
}

.dock-h .dock-group-divider {
  width: 24px;
  height: 100%;
}

.dock-v .dock-group-divider {
  width: 100%;
  height: 24px;
}

.dock-group-divider::before {
  content: "";
  background: var(--text-color) !important;
  opacity: 0.1 !important;
  border-radius: 1px;
}

.dock-h .dock-group-divider::before {
  width: 1px;
  height: 40px;
}

.dock-v .dock-group-divider::before {
  width: 40px;
  height: 1px;
}

body.light-mode .dock-group-divider::before {
  opacity: 0.15 !important;
}

/* ===========================================
   Tool Sets (Widgets)
   =========================================== */
.tool-set {
  background: transparent; /* 背景を透明にしてエリアに統合 */
  border: none; /* 境界線を消去 */
  box-shadow: none; /* 影を消去 */
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  gap: 0;
  cursor: default;
  z-index: 2;
  position: relative;
  transition: transform 0.1s;
  box-sizing: border-box;
}

/* 縦ドック内は縦並び */
.dock-v .tool-set {
  flex-direction: column;
  width: 100%;
  height: auto;
  margin: 0;
}

/* 横ドック内は横並び */
.dock-h .tool-set {
  flex-direction: row;
  height: 100%;
  width: auto;
  margin: 0;
}

/* コアツールセット - 編集モード時のみ表示 */
body.dock-edit-mode .tool-set.core {
  background: var(--core-bg, var(--panel-bg));
  border-color: var(--core-border, var(--accent-color));
}

/* オプショナルツールセット - 編集モード時のみスタイル */
body.dock-edit-mode .tool-set.optional {
  border-style: dashed;
  border-color: var(--text-muted, #888);
}

/* 編集モード時 */
body.dock-edit-mode .tool-set {
  cursor: grab;
  outline: 2px dashed var(--accent-color);
  outline-offset: 2px;
}

body.dock-edit-mode .tool-set:active {
  cursor: grabbing;
  transform: scale(0.95);
}

/* ===========================================
   Tool Set Buttons
   =========================================== */
.ts-btn {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  cursor: pointer;
  background: transparent;
  border: 2px solid transparent; /* 常に確保してレイアウトシフトを防ぐ */
  color: var(--text-color);
  transition: background 0.2s, border-color 0.2s;
  box-sizing: border-box;
}

.ts-btn:not(.active):hover {
  background: var(--kaku-bg-ghost);
}

/* トグルボタンのON状態 - 濃淡で明確化（box-shadow なし） */
.ts-btn.active {
  color: var(--text-color);
}

/* ダークモード（デフォルト）のアクティブ状態 */
.ts-btn.active {
}

/* ライトモードのアクティブ状態 */
body.light-mode .ts-btn.active {
}

.ts-btn:active {
  background: var(--kaku-accent-primary);
  color: var(--kaku-text-inverse) !important;
}

.ts-btn:active .material-symbols-outlined,
.ts-btn:active .label {
  color: var(--kaku-text-inverse) !important;
}

.ts-btn .material-symbols-outlined {
  font-size: 22px;
  height: 24px; /* アイコン領域の高さを持たせて縦位置を揃える */
  display: flex;
  align-items: center;
  justify-content: center;
}

.ts-btn .label {
  font-size: 8px;
  height: 16px; /* ラベル領域の高さを持たせ、改行にかかわらずアイコンがズレないようにする */
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
  white-space: normal; /* 全文表示のために折り返しを許可 */
  word-break: keep-all; /* 単語の途中（日本語文字間）での改行を防止 */
  line-height: 1.0;
  width: 100%;
  text-align: center;
  overflow: visible; /* ... を出さずに表示 */
}

/* スマホ向けの密度調整 - UXを考慮したコンパクト化 */
@media (max-width: 600px) {
  .ts-btn {
    width: 46px; /* 44px -> 46px (余裕を持たせる) */
    height: 44px;
    flex-shrink: 0; /* 縮小を禁止してラベルの幅を確保 */
  }
  .ts-btn .material-symbols-outlined {
    font-size: 18px;
    height: 20px; /* 固定高で位置を統一 */
    margin-top: 0;
  }
  /* ラベルを復活させ、ゲーム風の太字と立体感を適用 */
  .ts-btn .label {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 7.5px;
    height: 14px; /* 固定高で位置を統一 */
    font-weight: 900;
    margin-top: 0px;
    line-height: 1.0;
    white-space: normal;
    word-break: keep-all; /* 日本語文字を途中で折らない（5文字以内を1行に維持） */
    overflow-wrap: normal; /* anywhereから戻す */
    text-overflow: clip;
    letter-spacing: -0.4px; /* わずかに詰めを強化 */
    opacity: 1;
    overflow: visible;
    width: 100%;
    /* 微細な立体感（アウトライン効果） */
    text-shadow: 0.3px 0.3px 0px #fff, -0.3px -0.3px 0px #fff;
  }
  .tool-set {
    padding: 2px;
    border-radius: 8px;
    gap: 2px; /* 間隔を少し詰めて全体の横幅を抑える */
  }
  /* アクティブ時の枠線を少し細くしてシャープに */
  .ts-btn.active {
    border-width: 1.5px !important;
  }
}

/* ===========================================
   Edit Button (on Tool Set)
   =========================================== */
.ts-edit-btn {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  background: var(--text-color);
  color: var(--bg-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--bg-color);
  font-size: 12px;
}

.ts-edit-btn:hover {
  transform: scale(1.1);
}

/* ===========================================
   Hidden State
   =========================================== */
.dock-area.hidden,
.dock.hidden {
  display: none !important;
}

/* ===========================================
   Dark Mode Adjustments
   =========================================== */
body.mode-dark .tool-set {
  background: #2c2c2c;
  border-color: #3a3a3a;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
}

body.mode-dark .ts-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

body.mode-dark .dock-area {
  background: #1e1e1e;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* ===========================================
   Light Mode Adjustments
   =========================================== */
body.light-mode.dock-edit-mode .tool-set.core {
  background: #f5f5f5;
  border-color: #dddddd;
}

body.light-mode.dock-edit-mode .tool-set.core .ts-btn {
  color: #333333;
}

body.light-mode.dock-edit-mode .tool-set.optional {
  background: var(--kaku-bg-primary);
  border-color: var(--kaku-border-medium);
  border-style: dashed;
}

/* ===========================================
   Dock/ToolSet Editor Modal
   =========================================== */
.dock-editor-modal {
  background: var(--kaku-bg-primary);
  color: var(--kaku-text-primary);
  border: 1px solid var(--kaku-border-light);
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color, #444);
}

.dock-editor-modal .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--border-color, #444);
}

.dock-editor-modal .modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.dock-editor-modal .close-modal-btn {
  background: transparent;
  border: none;
  color: var(--text-color, #fff);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dock-editor-modal .close-modal-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.dock-editor-modal .modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.dock-editor-modal .modal-desc {
  font-size: 12px;
  color: var(--text-muted, #aaa);
  margin: 0 0 12px 0;
}

.dock-editor-modal .modal-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color, #444);
  display: flex;
  justify-content: flex-end;
}

.dock-editor-modal .modal-action-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.dock-editor-modal .modal-action-btn.primary {
  background: var(--accent-color);
  color: #000;
}

.dock-editor-modal .modal-action-btn.primary:hover {
  background: var(--kaku-accent-secondary);
}

/* アラインメントコントロール */
.alignment-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.align-btn {
  flex: 1;
  padding: 10px;
  background: var(--kaku-bg-tertiary, #333);
  border: 1px solid var(--border-color, #444);
  border-radius: 6px;
  color: var(--text-color, #fff);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.align-btn:hover {
  background: var(--kaku-bg-secondary, #3a3a3a);
}

.align-btn.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

/* ボタン選択リスト */
.btn-selection-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn-select-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
  min-width: 80px;
  background: var(--kaku-bg-tertiary, #333);
  border: 2px solid var(--border-color, #444);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 11px;
  color: var(--text-color, #fff);
}

.btn-select-item:hover {
  background: var(--kaku-bg-secondary, #3a3a3a);
  border-color: var(--text-muted, #888);
}

.btn-select-item.selected {
  background: var(--kaku-bg-tertiary);
  border-color: var(--kaku-accent-primary);
  font-weight: bold;
}

.btn-select-item .material-symbols-outlined {
  font-size: 24px;
  margin-bottom: 4px;
}

/* ソート可能リスト（ToolSetEditor用） */
.sortable-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 8px 0 16px;
}

.sortable-item {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background: var(--kaku-bg-tertiary, #333);
  border: 1px solid var(--border-color, #444);
  border-radius: 6px;
}

.sortable-item.group-drawing {
  border-left: 4px solid var(--kaku-accent-primary);
}
.sortable-item.group-assist {
  border-left: 4px solid var(--kaku-accent-secondary);
}
.sortable-item.group-navigation {
  border-left: 4px solid var(--kaku-border-medium);
}

.sortable-separator {
  padding: 4px 12px;
  margin: 4px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.sortable-separator::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-color);
  z-index: 1;
}

.sortable-separator .label {
  background: var(--panel-bg);
  padding: 0 8px;
  font-size: 9px;
  color: var(--text-muted);
  z-index: 2;
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.sortable-item .material-symbols-outlined {
  font-size: 20px;
  color: var(--accent-color);
}

.sort-actions {
  display: flex;
  gap: 4px;
}

.sort-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kaku-bg-secondary, #2a2a2a);
  border: 1px solid var(--border-color, #444);
  border-radius: 4px;
  color: var(--text-color, #fff);
  cursor: pointer;
  font-size: 12px;
}

.sort-btn:hover:not(:disabled) {
  background: var(--kaku-accent-primary);
  border-color: var(--kaku-accent-primary);
  color: var(--kaku-text-inverse);
}

.sort-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.sort-btn.remove {
  color: var(--kaku-accent-danger, #666666);
  font-weight: bold;
}

.sort-btn.remove:hover:not(:disabled) {
  background: var(--kaku-accent-secondary, #333333);
  border-color: var(--kaku-accent-secondary, #333333);
  color: var(--kaku-text-inverse, #ffffff);
}

/* ===========================================
   Layout Settings Panel (prototype_v9移植)
   =========================================== */
.layout-settings-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--panel-bg, #1e1e1e);
  border: 1px solid var(--border-color, #444);
  border-radius: 12px;
  padding: 0;
  z-index: calc(var(--z-index-modal) + 100);
  min-width: 280px;
  max-width: 320px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.layout-settings-panel.hidden {
  display: none;
}

.layout-settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--border-color, #444);
}

.layout-settings-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-color);
}

.layout-settings-header .close-btn {
  background: transparent;
  border: none;
  color: var(--text-color, #fff);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.layout-settings-header .close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.layout-settings-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.layout-settings-body .control-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.layout-settings-body .control-row.section-label {
  margin-top: 16px;
  margin-bottom: 8px;
}

.layout-settings-body .control-row.columns {
  gap: 8px;
}

.layout-settings-body .label-sub {
  font-size: 12px;
  color: var(--text-color, #fff);
}

.layout-settings-body .control-buttons {
  display: flex;
  gap: 4px;
  align-items: center;
}

.layout-settings-body .column-group {
  flex: 1;
  display: flex;
  gap: 4px;
}

.layout-settings-body .toggle-btn {
  flex: 1;
  padding: 8px 12px;
  background: var(--kaku-bg-tertiary, #333);
  border: 1px solid var(--border-color, #444);
  border-radius: 6px;
  color: var(--text-color, #fff);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.layout-settings-body .toggle-btn:hover {
  background: var(--kaku-bg-secondary, #3a3a3a);
}

.layout-settings-body .toggle-btn.active {
  background: var(--kaku-accent-primary);
  border-color: var(--kaku-accent-primary);
  color: var(--kaku-text-inverse);
}

.layout-settings-body .settings-btn-small {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kaku-bg-tertiary, #333);
  border: 1px solid var(--border-color, #444);
  border-radius: 6px;
  color: var(--text-color, #fff);
  cursor: pointer;
  transition: all 0.2s;
}

.layout-settings-body .settings-btn-small:hover {
  background: var(--kaku-bg-secondary, #3a3a3a);
}

.layout-settings-body .settings-btn-small .material-symbols-outlined {
  font-size: 16px;
}

.layout-settings-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color, #444);
}

.layout-settings-footer .primary-btn {
  width: 100%;
  padding: 10px;
  background: var(--accent-color);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.layout-settings-footer .primary-btn:hover {
  background: var(--accent-hover);
}

/* 設定セレクトボックス */
.layout-settings-body .setting-select {
  width: 100%;
  padding: 8px 12px;
  background: var(--kaku-bg-tertiary, #333);
  border: 1px solid var(--border-color, #444);
  border-radius: 6px;
  color: var(--text-color, #fff);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.layout-settings-body .setting-select:hover {
  background-color: var(--kaku-bg-secondary, #3a3a3a);
}

.layout-settings-body .setting-select:focus {
  outline: none;
  border-color: var(--accent-color);
}

.layout-settings-body .setting-select option {
  background: var(--panel-bg, #2c2c2c);
  color: var(--text-color, #fff);
}

.layout-settings-body .setting-select optgroup {
  background: var(--kaku-bg-tertiary, #333);
  color: var(--text-muted, #999);
  font-weight: 600;
  font-style: normal;
}

/* メニュー配置ボタン（編集モードトグル） */
.layout-settings-toggle-btn {
  position: fixed;
  bottom: 100px;
  right: 20px;
  padding: 10px 16px;
  background: var(--panel-bg, #2c2c2c);
  border: 1px solid var(--border-color, #444);
  border-radius: 8px;
  color: var(--text-color, #fff);
  font-size: 12px;
  cursor: pointer;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.layout-settings-toggle-btn:hover {
  background: var(--kaku-bg-secondary, #3a3a3a);
}

/* ====================================
 * プリセット選択UI（Phase 4）
 * ==================================== */

.layout-settings-body .control-section {
  margin-bottom: 16px;
}

.layout-settings-body .section-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted, #999);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.preset-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.preset-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
  background: var(--kaku-bg-tertiary, #333);
  border: 2px solid var(--border-color, #444);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 80px;
}

.preset-card:hover {
  background: var(--kaku-bg-tertiary);
  border-color: var(--kaku-accent-primary);
}

.preset-card:focus {
  outline: none;
  border-color: var(--kaku-accent-primary);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1);
}

.preset-card.active {
  background: var(--kaku-accent-primary);
  border-color: var(--kaku-accent-primary);
  color: var(--kaku-text-inverse);
}

.preset-card .preset-icon {
  font-size: 28px;
  color: var(--text-color, #fff);
  margin-bottom: 6px;
}

.preset-card.active .preset-icon {
  color: var(--kaku-text-inverse);
}

.preset-card .preset-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-color, #fff);
  text-align: center;
}

.preset-card.active .preset-name {
  color: #fff;
}

.preset-card .preset-description {
  font-size: 10px;
  color: var(--text-muted, #999);
  text-align: center;
  margin-top: 2px;
}

.preset-card.active .preset-description {
  color: rgba(255, 255, 255, 0.8);
}

/* カスタム設定セクション */
.custom-settings {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color, #444);
}

.custom-settings.hidden {
  display: none;
}

/* モバイル用ドック編集セクション */
.mobile-dock-edit-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color, #444);
}

.mobile-dock-edit-section.hidden {
  display: none;
}

.mobile-dock-edit-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-dock-edit-buttons .dock-edit-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--kaku-bg-tertiary, #333);
  border: 1px solid var(--border-color, #444);
  border-radius: 6px;
  color: var(--text-color, #fff);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.mobile-dock-edit-buttons .dock-edit-btn:hover {
  background: var(--kaku-bg-secondary, #3a3a3a);
  border-color: var(--accent-color);
}

.mobile-dock-edit-buttons .dock-edit-btn .material-symbols-outlined {
  font-size: 18px;
  color: var(--accent-color);
}

.mobile-dock-edit-buttons .dock-edit-btn .dock-name {
  flex: 1;
  text-align: left;
}

.mobile-dock-edit-buttons .dock-edit-btn .dock-status {
  font-size: 10px;
  color: var(--text-muted, #888);
}

/* ===========================================
   Dock Swap Button
   =========================================== */
.mobile-dock-edit-buttons .dock-swap-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--accent-color);
  border: none;
  border-radius: 6px;
  color: var(--kaku-bg-primary, #1a1a1a);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
  margin-bottom: 8px;
}

.mobile-dock-edit-buttons .dock-swap-btn:hover {
  background: var(--accent-color-hover, #cccccc);
}

.mobile-dock-edit-buttons .dock-swap-btn:active {
  transform: scale(0.98);
}

.mobile-dock-edit-buttons .dock-swap-btn .material-symbols-outlined {
  font-size: 20px;
}

/* ===========================================
   Fixed Menu Button (Grid Flow - First Item)
   =========================================== */
.fixed-menu-button {
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: auto;
  margin: 0;
}

.dock-h .fixed-menu-button {
  margin: 0;
}

/* 編集モードでも固定メニューボタンはドラッグ不可 */
body.dock-edit-mode .fixed-menu-button {
  cursor: default;
  opacity: 0.6;
}

body.dock-edit-mode .fixed-menu-button .ts-btn {
  cursor: default;
  pointer-events: none;
}

body.dock-edit-mode .fixed-menu-button::after {
  content: "🔒";
  position: absolute;
  top: -4px;
  right: -4px;
  font-size: 10px;
}

.fixed-menu-button .ts-btn {
  width: 48px;
  height: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--text-color);
  transition: background 0.2s;
}

.fixed-menu-button .ts-btn:hover {
  background: var(--kaku-bg-tertiary);
}

.fixed-menu-button .ts-btn:active {
  background: var(--kaku-accent-primary);
  color: var(--kaku-text-inverse);
}
}

.fixed-menu-button .ts-btn .material-symbols-outlined {
  font-size: 22px;
}

.fixed-menu-button .ts-btn .label {
  font-size: 9px;
  margin-top: 2px;
  opacity: 0.8;
}

/* ===========================================
   未保存ドット（メニューボタン右上）
   PCのファイルエディタ風の未保存インジケーター
   =========================================== */
.fixed-menu-btn {
  position: relative;
}

/* 未保存ドット */
.fixed-menu-btn .unsaved-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-secondary, #888);
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.fixed-menu-btn .unsaved-dot.visible {
  opacity: 1;
  transform: scale(1);
}

/* 保存完了チェックマーク（Material Symbols） */
.fixed-menu-btn .saved-check {
  position: absolute;
  top: -2px;
  right: -2px;
  font-size: 14px;
  color: var(--text-primary, #333);
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.fixed-menu-btn .saved-check.show {
  opacity: 1;
  transform: scale(1);
}

.fixed-menu-btn .saved-check.fade-out {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* エラーアイコン（Material Symbols） */
.fixed-menu-btn .error-icon {
  position: absolute;
  top: -2px;
  right: -2px;
  font-size: 14px;
  color: var(--text-primary, #333);
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.fixed-menu-btn .error-icon.visible {
  opacity: 1;
  transform: scale(1);
}

.fixed-menu-btn .error-dot.visible {
  opacity: 1;
  transform: scale(1);
}

/* ===========================================
   Tool Badge Color Indicator
   =========================================== */

/* バッジ本体 */
.color-badge {
  position: absolute;
  top: 0;
  right: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--current-color, #000);
  /* ドックの背景色と同じ色のボーダーで「抜き」を表現しつつ、
     白などの明るい色でも視認できるよう影を追加 */
  border: 1.5px solid var(--kaku-bg-secondary);
  box-shadow: 0 0 0 0.5px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.2);
  box-sizing: border-box;
  z-index: 10;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    background-color 0.2s;
  pointer-events: none; /* クリックを透過 */
  display: none; /* デフォルト非表示 */
}

/* カラーバッジ：現在はカラーボタン(#btn-color)のみに表示し
   描画ツールとの冗長性を排除 (UX改善) */
#btn-color .color-badge {
  display: block;
  width: 16px; /* 12px -> 16px */
  height: 16px;
  top: -2px;
  right: -2px;
  border-width: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* 描画ツール側のバッジは非表示に設定（必要に応じて.active等で制御可能だが
   現在はカラーボタン側に集約） */
.ts-btn:not(#btn-color) .color-badge {
  display: none !important;
}

/* パルスアニメーション (色変更時などにトリガー) */
.badge-pulse {
  animation: badgePulse 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes badgePulse {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.4);
  }
  100% {
    transform: scale(1);
  }
}

/* アクティブ時のボタン自体のスタイル（シンプルに戻す） */
.ts-btn.active {
  border: 2px solid var(--kaku-text-primary) !important;
}

/* アクティブ状態のアイコン色を通常色（黒）に戻す（背景が白のため） */
.ts-btn.active .material-symbols-outlined {
  color: var(--kaku-text-primary) !important;
}

.ts-btn.active .label {
  color: var(--kaku-text-primary) !important;
  opacity: 1;
}