/**
 * Dock型カラーパレット (v2.0)
 */

.dock-palette {
  position: fixed;
  display: flex;
  z-index: var(--z-index-dock-palette);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s;
  opacity: 0;
  pointer-events: none;
  background: var(--kaku-bg-glass); /* 半透明背景 */
  backdrop-filter: blur(8px); /* ぼかし効果 */
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color, #444);
}

.dock-palette.open {
  opacity: 1;
  pointer-events: auto;
}

/* 背景レイヤー (Blur分離構造) - 一体型では背景色を優先 */
.dock-palette__blur-bg {
  display: none;
}

/* コンテンツレイヤー */
.dock-palette__content {
  display: flex;
  padding: 0; /* paddingは内部のエリアで制御 */
  overflow: hidden;
  width: 100%;
  height: 100%;
  justify-content: flex-start;
}

/* 左右配置の場合は上基準（Top基準）に */
.dock-palette[data-position="left"] .dock-palette__content,
.dock-palette[data-position="right"] .dock-palette__content {
  justify-content: flex-start;
}

/* 操作ボタンエリア - スマホ画面での省スペース化のため調整 */
.dock-palette__actions {
  display: flex;
  gap: 12px;
  padding: 0 16px;
  background: transparent;
  z-index: 2;
  flex-shrink: 0;
  border-right: 1px solid var(--kaku-border-light);
  align-items: center;
}

#btn-dock-palette-tune,
#btn-extract-canvas-dock {
  display: none !important;
}

#mainColorBtn {
  display: none !important;
}

/* パレット一覧メニューのビジュアル表記強化 */
.palette-menu-item-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  padding: 4px 0;
}

.palette-menu-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.palette-menu-info .icon {
  font-size: 18px;
  color: var(--kaku-accent-primary);
  width: 24px;
}

.palette-menu-item-content.active .palette-menu-info .icon {
  opacity: 1;
}

.palette-menu-info .label {
  font-weight: 600;
  font-size: 13px;
  color: var(--kaku-text-secondary);
}

.palette-menu-item-content.active .palette-menu-info .label {
  color: var(--kaku-text-primary);
  font-weight: 800;
}

.palette-menu-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  padding-left: 28px; /* チェックマーク相当のオフセット */
  max-width: 200px; /* 提示幅を制限して折り返しを促す */
}

.palette-menu-swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  flex: 0 0 14px; /* サイズ固定 */
}

/* メインカラーボタンの統合スタイル */

/* 透明度（旧水彩）モードコントロール */
.watercolor-controls {
  position: fixed;
  z-index: var(--z-index-dock-popover);
  background: var(--kaku-bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.watercolor-controls.active {
  opacity: 1;
  pointer-events: auto;
}

/* 配置に応じた境界線の制御 */
.watercolor-controls.pos-top {
  flex-direction: column;
  border-bottom: 1px solid var(--border-color, #444);
}
.watercolor-controls.pos-bottom {
  flex-direction: column-reverse;
  border-top: 1px solid var(--border-color, #444);
  align-items: flex-end; /* 下部配置時は下（パレット側）に寄せる */
}
.watercolor-controls.pos-left {
  flex-direction: row;
  border-right: 1px solid var(--border-color, #444);
  align-items: flex-start; /* 縦表示時は上基準に揃える */
}
.watercolor-controls.pos-right {
  flex-direction: row-reverse;
  border-left: 1px solid var(--border-color, #444);
  align-items: flex-start; /* 縦表示時は上基準に揃える */
}

.watercolor-controls.pos-left .watercolor-controls__main,
.watercolor-controls.pos-right .watercolor-controls__main {
  flex-direction: column;
  height: auto;
  width: 68px;
  padding: 16px 0;
  justify-content: flex-start;
}

.watercolor-controls.active {
  opacity: 1 !important;
  pointer-events: auto !important;
  visibility: visible !important;
}

.watercolor-controls__main {
  display: flex;
  align-items: center;
  width: 100%;
  height: 68px; /* 56px -> 68px */
  justify-content: center;
  gap: 8px;
  padding: 0 8px;
}

.watercolor-controls__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  margin-right: 4px;
}

/* 縦画面（左右ドック）対応 - 垂直並びに変更 */
.watercolor-controls.vertical .watercolor-controls__main {
  flex-direction: column;
  width: 68px; /* 56px -> 68px (アクティブ時の見切れ防止) */
  height: auto;
  justify-content: center;
}

.watercolor-controls.vertical .watercolor-controls__actions {
  flex-direction: column;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  border-right: none;
  width: 100%;
  height: auto;
  min-height: 44px;
  margin-right: 0;
  margin-bottom: 4px;
}

.watercolor-controls.vertical .opacity-steps {
  flex-direction: column;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 12px 0; /* 選択時の上下ハミ出し防止 */
  display: flex;
  align-items: center; /* 横方向中央へ */
  flex: 0 1 auto;
  width: 100%;
  height: auto;
  max-height: 60vh; /* 長すぎる場合はスクロール */
}

.opacity-config-trigger {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  cursor: pointer;
  color: var(--kaku-text-secondary, #aaa);
  transition: color 0.2s, opacity 0.2s;
  width: 100%;
  height: 100%;
}

.opacity-config-trigger:hover {
  color: var(--kaku-text-primary, #fff);
}

.opacity-config-trigger:active {
  opacity: 0.6;
}

.opacity-config-trigger .material-symbols-outlined {
  font-size: 18px;
}

.opacity-config-value {
  font-size: 9px;
  font-weight: 600;
  line-height: 1;
}

.watercolor-controls__divider {
  width: 1px;
  height: 24px;
  background: var(--border-color, #444);
  margin: 0 4px;
  flex-shrink: 0;
  opacity: 0.5;
}

.watercolor-controls.vertical .watercolor-controls__divider {
  width: 24px;
  height: 1px;
  margin: 4px 0;
}

/* カラーエディタボタンは省スペース化のため非表示（ロングプレス/右クリックメニューに統合） */
.opacity-steps {
  display: flex;
  gap: 12px; /* 8px -> 12px (アクティブ時のハミ出し・重ねあいを防止) */
  padding: 12px 10px; /* 0 4px -> 12px 10px (選択時のスケーリングとシャドウの見切れを防止) */
  flex: 0 1 auto;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.opacity-steps::-webkit-scrollbar {
  display: none;
}

.opacity-step {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border-color, #444);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  background-image: linear-gradient(
      45deg,
      var(--kaku-bg-secondary, #444) 25%,
      transparent 25%
    ),
    linear-gradient(-45deg, var(--kaku-bg-secondary, #444) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--kaku-bg-secondary, #444) 75%),
    linear-gradient(-45deg, transparent 75%, var(--kaku-bg-secondary, #444) 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px 4px, 4px 0;
  background-color: var(--kaku-bg-primary, #222);
  overflow: hidden;
  transition: transform 0.1s, border-color 0.2s;
}

/* 垂直配置時は少し小さくして収まりを良くする */
.watercolor-controls.vertical .opacity-step {
  width: 32px;
  height: 32px;
}

.opacity-step:active {
  transform: scale(0.95);
}

.opacity-step__color {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--step-color);
}

.opacity-step.selected {
  border-color: var(--kaku-accent-primary);
  border-width: 2px;
  box-shadow: 0 0 0 1px var(--kaku-bg-primary), 0 0 10px rgba(0, 0, 0, 0.2);
  transform: scale(1.1);
  z-index: 2;
}

.opacity-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 9px; /* 10px -> 9px */
  font-weight: bold;
  color: #fff;
  text-shadow: 0 0 3px rgba(0, 0, 0, 0.8);
  pointer-events: none;
  z-index: 1;
}

/* カラーエディタボタンは省スペース化のため非表示（ロングプレス/右クリックメニューに統合） */
#btn-dock-palette-tune {
  display: none;
}

/* スクロール領域 */
.dock-palette__scroll-area {
  display: flex;
  gap: 16px; /* 18px -> 16px に微調整して密度と開放感のバランスをとる */
  padding: 12px 24px; /* 0 24px -> 12px 24px (アクティブ時のハミ出し防止) */
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
  flex: 1;
  align-items: center; /* 垂直方向の中央揃えを保証 */
}

.dock-palette__scroll-area.dragging {
  cursor: grabbing;
  user-select: none;
}

.dock-palette__scroll-area::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

/* スウォッチ */
.dock-palette__swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  flex-shrink: 0;
  position: relative;
  overflow: visible;
}

.dock-palette__swatch:active {
  transform: scale(0.9);
}

.dock-palette__swatch.active {
  box-shadow: 0 0 0 2px var(--kaku-bg-primary),
    0 0 0 5px var(--kaku-accent-primary); /* シャドウを除去して平面的かつ明快に */
  z-index: 10;
  transform: scale(1.15); /* 適度な拡大感 */
  border-color: transparent;
}

.swatch-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.3) 0%,
    transparent 60%,
    rgba(0, 0, 0, 0.05) 100%
  );
  pointer-events: none;
  border-radius: 50%;
}

.dock-palette__swatch.active .swatch-overlay {
  background: none; /* アクティブ時は色を正確に表示 */
}

/* ボタン共通 - 円形ベース */
.dock-palette__btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kaku-bg-secondary);
  border: 1px solid var(--kaku-border-light);
  color: var(--kaku-text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.dock-palette__btn:active {
  background: var(--kaku-bg-tertiary);
  transform: scale(0.9);
}

.dock-palette__btn .material-symbols-outlined {
  font-size: 20px;
  opacity: 0.8;
}

/* --- 配置別スタイル (data-position) --- */

/* Bottom (下) */
.dock-palette[data-position="bottom"] {
  bottom: var(--dock-thickness);
  left: 0;
  width: 100%;
  height: 68px; /* 60px -> 68px (アクティブ時の見切れ防止) */
  transform: translateY(10px);
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-bottom: 1px solid var(--border-color, #444); /* アプリdockとの境目 */
  border-top: 1px solid var(--border-color, #444); /* キャンバス/透明度側 */
}

.dock-palette[data-position="bottom"].open {
  transform: translateY(0);
}

.dock-palette[data-position="bottom"] .dock-palette__scroll-area {
  flex-direction: row;
}

/* Top (上) */
.dock-palette[data-position="top"] {
  top: var(--dock-thickness);
  left: 0;
  width: 100%;
  height: 68px; /* 60px -> 68px (アクティブ時の見切れ防止) */
  transform: translateY(-10px);
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-top: 1px solid var(--border-color, #444); /* アプリdockとの境目 */
  border-bottom: 1px solid var(--border-color, #444); /* キャンバス/透明度側 */
}

.dock-palette[data-position="top"].open {
  transform: translateY(0);
}

.dock-palette[data-position="top"] .dock-palette__scroll-area {
  flex-direction: row;
}

/* Left (左) */
.dock-palette[data-position="left"] {
  left: var(--dock-thickness);
  top: 0;
  width: 68px; /* 60px -> 68px (アクティブ時の見切れ防止) */
  height: 100%;
  transform: translateX(-10px);
  border-radius: 0;
  border-top: none;
  border-bottom: none;
  border-left: 1px solid var(--border-color, #444); /* アプリdockとの境目 */
  border-right: 1px solid var(--border-color, #444); /* キャンバス/透明度側 */
}

.dock-palette[data-position="left"].open {
  transform: translateX(0);
}

.dock-palette[data-position="left"] .dock-palette__content {
  flex-direction: column;
}

.dock-palette[data-position="left"] .dock-palette__actions {
  flex-direction: column;
  border-right: none;
  border-bottom: 1px solid var(--border-color);
  margin-right: 0;
  margin-bottom: 4px;
}

.dock-palette[data-position="left"] .dock-palette__scroll-area {
  flex-direction: column;
  padding: 24px 12px; /* 水平方向のパディングを減らしてスウォッチを中央に寄せる */
}

/* Right (右) */
.dock-palette[data-position="right"] {
  right: var(--dock-thickness);
  top: 0;
  width: 68px; /* 60px -> 68px (アクティブ時の見切れ防止) */
  height: 100%;
  transform: translateX(10px);
  border-radius: 0;
  border-top: none;
  border-bottom: none;
  border-left: 1px solid var(--border-color, #444); /* キャンバス/透明度側 */
  border-right: 1px solid var(--border-color, #444); /* アプリdockとの境目 */
}

.dock-palette[data-position="right"].open {
  transform: translateX(0);
}

.dock-palette[data-position="right"] .dock-palette__content {
  flex-direction: column;
}

.dock-palette[data-position="right"] .dock-palette__actions {
  flex-direction: column;
  border-right: none;
  border-bottom: 1px solid var(--border-color);
  margin-right: 0;
  margin-bottom: 4px;
}

.dock-palette[data-position="right"] .dock-palette__scroll-area {
  flex-direction: column;
  padding: 24px 12px;
}

.dock-palette[data-position="left"] .dock-palette__sticky-btn {
  margin-right: 0;
  margin-bottom: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Color Indicator (Toggle Button内) */
.dock-btn__color-indicator {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1.5px solid white;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
  background-color: #000; /* 初期値 */
}

/* フローティング表示（スマホ等） */
.dock-palette.floating {
  border: none !important;
  background: var(--kaku-bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: none;
}

.dock-palette.floating[data-position="bottom"] {
  border-top: 1px solid var(--border-color, #444) !important;
}

.dock-palette.floating[data-position="top"] {
  border-bottom: 1px solid var(--border-color, #444) !important;
}

.dock-palette.floating[data-position="left"] {
  border-right: 1px solid var(--border-color, #444) !important;
}

.dock-palette.floating[data-position="right"] {
  border-left: 1px solid var(--border-color, #444) !important;
}