/**
 * @file www/css/components/trace-image.css
 * @description トレース機能のスタイル定義
 */

/* ===========================================
   トレース画像レイヤー
   =========================================== */

#traceImageLayer {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  z-index: 0;
}

/* ===========================================
   トレースパネル
   =========================================== */

.trace-panel {
  position: fixed;
  bottom: 80px;
  right: 16px;
  width: 280px;
  background: var(--kaku-bg-secondary);
  border: 1px solid var(--kaku-border-light);
  border-radius: 12px;
  box-shadow: var(--kaku-shadow-lg);
  padding: 16px;
  z-index: var(--z-index-modal);
  display: none;
  box-sizing: border-box; /* パディングを含める */
}

.trace-panel.visible {
  display: block;
  animation: slideUp 0.2s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.trace-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--kaku-border, #444);
  cursor: move;
}

.trace-panel__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--kaku-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.trace-panel__close {
  background: none;
  border: none;
  color: var(--kaku-text-secondary, #888);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.trace-panel__close:hover {
  color: var(--kaku-text-primary, #fff);
}

/* ===========================================
   画像選択ボタン
   =========================================== */

.trace-panel__select-btn {
  width: 100%;
  padding: 12px 16px;
  background: var(--kaku-accent-primary);
  color: var(--kaku-text-inverse);
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.2s;
}

.trace-panel__select-btn:hover {
  background: var(--kaku-accent-secondary);
}

.trace-panel__select-btn:active {
  background: var(--kaku-accent-primary);
  opacity: 0.8;
  transform: scale(0.98);
}

.trace-panel__select-btn:disabled {
  background: var(--kaku-bg-tertiary, #3a3a3a);
  color: var(--kaku-text-secondary, #888);
  cursor: not-allowed;
}

/* ===========================================
   透明度スライダー
   =========================================== */

.trace-panel__opacity {
  margin-top: 16px;
}

.trace-panel__label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--kaku-text-secondary, #888);
  margin-bottom: 8px;
}

.trace-panel__slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--kaku-bg-tertiary, #3a3a3a);
  border-radius: 3px;
  outline: none;
}

.trace-panel__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--kaku-accent-primary);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.1s;
}

.trace-panel__slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.trace-panel__slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--kaku-accent-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

/* ===========================================
   ピクセル化トグル
   =========================================== */

.trace-panel__toggle {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.trace-panel__toggle-label {
  font-size: 13px;
  color: var(--kaku-text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.trace-panel__toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--kaku-border-light);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.trace-panel__toggle-switch.active {
  background: var(--kaku-accent-primary);
}

.trace-panel__toggle-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--kaku-text-inverse);
  border-radius: 50%;
  transition: transform 0.2s;
}

.trace-panel__toggle-switch.active::after {
  transform: translateX(20px);
}

/* ===========================================
   表示モード選択
   =========================================== */

.trace-panel__display-mode {
  margin-bottom: 16px;
}

.trace-panel__mode-buttons {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.mode-btn {
  flex: 1;
  padding: 8px 4px;
  background: var(--kaku-bg-tertiary);
  color: var(--kaku-text-secondary);
  border: 1px solid var(--kaku-border-light);
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
}

.mode-btn:hover {
  background: var(--kaku-bg-secondary);
  color: var(--kaku-text-primary);
}

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

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

/* ===========================================
   ピクセルサイズスライダー
   =========================================== */

.trace-panel__pixel-size {
  margin-top: 16px;
  opacity: 1;
  transition: opacity 0.2s;
}

.trace-panel__pixel-size.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ===========================================
   スマートパレット
   =========================================== */

.trace-panel__palette {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--kaku-border-light);
}

.trace-panel__palette-title {
  font-size: 12px;
  color: var(--kaku-text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.trace-panel__colors {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
}

.trace-panel__color-swatch {
  aspect-ratio: 1;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.1s, border-color 0.1s;
}

.trace-panel__color-swatch:hover {
  transform: scale(1.1);
  border-color: var(--kaku-accent-primary);
}

.trace-panel__add-palette-btn {
  margin-top: 10px;
  width: 100%;
  padding: 8px;
  background: var(--kaku-bg-tertiary);
  color: var(--kaku-text-secondary);
  border: 1px dashed var(--kaku-border-light);
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.trace-panel__add-palette-btn:hover {
  background: var(--kaku-bg-secondary, #2a2a2a);
  color: var(--kaku-text-primary, #fff);
}

/* ===========================================
   削除ボタン
   =========================================== */

.trace-panel__delete-btn {
  margin-top: 16px;
  width: 100%;
  padding: 10px;
  background: transparent;
  color: var(--kaku-danger, #e57373);
  border: 1px solid var(--kaku-danger, #e57373);
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.2s;
}

.trace-panel__delete-btn:hover {
  background: rgba(229, 115, 115, 0.1);
}

.trace-panel__delete-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===========================================
   空状態
   =========================================== */

.trace-panel__empty {
  text-align: center;
  padding: 20px 0;
  color: var(--kaku-text-secondary, #888);
  font-size: 12px;
}

/* ===========================================
   ライトテーマ対応
   =========================================== */

[data-theme="light"] .trace-panel {
  background: var(--kaku-bg-secondary, #f5f5f5);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .trace-panel__header {
  border-bottom-color: var(--kaku-border, #ddd);
}

[data-theme="light"] .trace-panel__palette {
  border-top-color: var(--kaku-border, #ddd);
}

/* ===========================================
   レスポンシブ対応 (v1.2)
   =========================================== */

/* --- PC: ドラッグ可能フローティング --- */
@media (min-width: 769px) {
  .trace-panel {
    /* デフォルト（PC）スタイルは既存のまま */
    cursor: default;
  }

  .trace-panel__header {
    cursor: move;
  }

  .trace-panel.dragging {
    user-select: none;
    opacity: 0.9;
  }
}

/* --- スマホ縦向き: ボトムシート --- */
@media (max-width: 768px) and (orientation: portrait) {
  .trace-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 45vh;
    border-radius: 16px 16px 0 0;
    padding: 12px 16px 24px;
    overflow-y: auto;
    transform: translateY(0);
  }

  .trace-panel.visible {
    animation: slideUpMobile 0.3s ease-out;
  }

  @keyframes slideUpMobile {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }

  .trace-panel__header {
    position: sticky;
    top: 0;
    background: inherit;
    padding-bottom: 12px;
    margin-bottom: 12px;
    z-index: 1;
  }

  /* ドラッグハンドル（ボトムシート） */
  .trace-panel::before {
    content: "";
    display: block;
    width: 40px;
    height: 4px;
    background: var(--kaku-border, #555);
    border-radius: 2px;
    margin: 0 auto 12px;
  }

  .trace-panel__controls {
    padding-bottom: env(safe-area-inset-bottom, 16px);
  }

  /* コンパクト表示のための調整 */
  .trace-panel__mode-buttons {
    gap: 4px;
  }

  .mode-btn {
    padding: 6px 4px;
    font-size: 11px;
  }
}

/* --- スマホ横向き: サイドパネル --- */
@media (max-width: 768px) and (orientation: landscape) {
  .trace-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    width: 30%;
    min-width: 180px;
    max-width: 240px;
    height: 100%;
    max-height: 100%;
    border-radius: 16px 0 0 16px;
    padding: 12px;
    overflow-y: auto;
    transform: translateX(0);
  }

  .trace-panel.visible {
    animation: slideInFromRight 0.3s ease-out;
  }

  @keyframes slideInFromRight {
    from {
      transform: translateX(100%);
    }
    to {
      transform: translateX(0);
    }
  }

  .trace-panel__header {
    position: sticky;
    top: 0;
    background: inherit;
    padding-bottom: 8px;
    margin-bottom: 8px;
    z-index: 1;
  }

  .trace-panel__title {
    font-size: 12px;
  }

  .trace-panel__select-btn {
    padding: 8px 12px;
    font-size: 12px;
  }

  /* コンパクト表示のための調整 */
  .trace-panel__mode-buttons {
    flex-direction: column;
    gap: 4px;
  }

  .mode-btn {
    padding: 6px 4px;
    font-size: 10px;
  }

  .trace-panel__label {
    font-size: 11px;
  }

  .trace-panel__opacity,
  .trace-panel__pixel-size {
    margin-top: 8px;
  }

  .trace-panel__toggle {
    margin-top: 8px;
    padding: 8px 0;
  }

  .trace-panel__palette {
    margin-top: 8px;
    padding-top: 8px;
  }

  .trace-panel__colors {
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
  }

  .trace-panel__add-palette-btn,
  .trace-panel__delete-btn {
    padding: 6px;
    font-size: 11px;
  }
}