/**
 * Mirror Symmetry Art - WordPress Plugin Styles
 * 
 * テーマとの競合を防ぐため、全てのクラスに mirror-art- プレフィックスを使用
 * CSS変数も --mirror- で名前空間化してスコープを制限
 * 
 * @version 1.0.0
 * @author ICT Primary School
 * @license GPL v2 or later
 */

/* ==========================================================================
   変数定義
   ========================================================================== */
.mirror-art-container {
  --mirror-ink: #0f172a;
  --mirror-line: #e5e7eb;
  --mirror-panel: #ffffff;
  --mirror-bg: #f0f7ff;
  --mirror-accent: #2563eb;
  --mirror-muted: #64748b;
  --mirror-ok: #10b981;
  --mirror-warn: #f59e0b;
  --mirror-radius: 12px;
  --mirror-shadow: 0 4px 12px rgba(0,0,0,.08);
}

/* ==========================================================================
   リセット・基本設定
   ========================================================================== */

/* テーマスタイルの強制上書きを防ぐための詳細セレクタ */
.mirror-art-container,
.mirror-art-container *,
.mirror-art-container *::before,
.mirror-art-container *::after {
  box-sizing: border-box !important;
  margin: 0;
  padding: 0;
}

/* フォントの継承を防ぐ */
.mirror-art-container {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif !important;
  line-height: 1.5 !important;
  letter-spacing: normal !important;
  text-transform: none !important;
  background: var(--mirror-bg);
  color: var(--mirror-ink);
  border-radius: var(--mirror-radius);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* WordPressテーマの一般的なリセット対策 */
.mirror-art-container h1,
.mirror-art-container h2, 
.mirror-art-container h3,
.mirror-art-container h4,
.mirror-art-container h5,
.mirror-art-container h6 {
  font-weight: 700 !important;
  line-height: 1.2 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  text-shadow: none !important;
}

.mirror-art-container p {
  margin: 0 !important;
  padding: 0 !important;
}

.mirror-art-container button {
  font-family: inherit !important;
  border: none !important;
  outline: none !important;
  text-decoration: none !important;
  text-shadow: none !important;
  box-shadow: 0 2px 6px rgba(37,99,235,.2) !important;
}

.mirror-art-container input,
.mirror-art-container select {
  font-family: inherit !important;
  outline: none !important;
  box-shadow: none !important;
  text-shadow: none !important;
}

/* 一部のテーマで発生するリンクスタイルの継承を防ぐ */
.mirror-art-container a {
  text-decoration: none !important;
  color: inherit !important;
}

/* Gutenbergブロックとの競合対策 */
.mirror-art-container .wp-block {
  margin: 0 !important;
  padding: 0 !important;
}

/* ==========================================================================
   レイアウト構造
   ========================================================================== */

.mirror-art-header {
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--mirror-panel);
  border-bottom: 1px solid var(--mirror-line);
  flex-shrink: 0;
}

.mirror-art-title {
  font-size: 16px;
  margin: 0;
  font-weight: 700;
  color: var(--mirror-ink);
}

.mirror-art-hint {
  font-size: 11px;
  color: var(--mirror-muted);
}

.mirror-art-main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 8px;
  padding: 8px;
  min-height: 0;
}

.mirror-art-stage {
  background: var(--mirror-panel);
  border: 1px solid var(--mirror-line);
  border-radius: var(--mirror-radius);
  position: relative;
  overflow: hidden;
  min-height: 0;
}

.mirror-art-canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: crosshair;
}

.mirror-art-guide {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* ==========================================================================
   サイドバー
   ========================================================================== */

.mirror-art-sidebar {
  background: var(--mirror-panel);
  border: 1px solid var(--mirror-line);
  border-radius: var(--mirror-radius);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

.mirror-art-group {
  border: 1px dashed var(--mirror-line);
  border-radius: 8px;
  padding: 10px;
}

.mirror-art-group-title {
  font-size: 13px;
  margin: 0 0 8px;
  color: var(--mirror-muted);
  font-weight: 700;
}

.mirror-art-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.mirror-art-row:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   フォーム要素
   ========================================================================== */

.mirror-art-label,
.mirror-art-checkbox-label {
  font-size: 12px;
  color: var(--mirror-muted);
  white-space: nowrap;
}

.mirror-art-checkbox-label {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mirror-art-mode-select,
.mirror-art-segments-slider,
.mirror-art-size-slider,
.mirror-art-color-picker,
.mirror-art-show-axes {
  padding: 6px 8px;
  border: 1px solid var(--mirror-line);
  border-radius: 8px;
  background: var(--mirror-panel);
  font-size: 12px;
}

.mirror-art-segments-slider,
.mirror-art-size-slider {
  flex: 1;
  min-width: 60px;
  padding: 0;
}

.mirror-art-color-picker {
  width: 40px;
  height: 32px;
  padding: 2px;
}

.mirror-art-val {
  font-size: 11px;
  color: var(--mirror-muted);
  min-width: 20px;
  text-align: center;
}

/* ==========================================================================
   ツールバー・ボタン
   ========================================================================== */

.mirror-art-tool-section {
  display: flex;
  gap: 6px;
  align-items: center;
}

.mirror-art-tool-btn {
  padding: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--mirror-line);
  border-radius: 8px;
  background: var(--mirror-panel);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
  appearance: none;
}

.mirror-art-tool-btn:hover {
  background: var(--mirror-bg);
}

.mirror-art-tool-active {
  background: var(--mirror-accent) !important;
  color: var(--mirror-panel) !important;
  border-color: var(--mirror-accent) !important;
}

.mirror-art-btn {
  appearance: none;
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  font-weight: 600;
  font-size: 12px;
  background: var(--mirror-accent);
  color: var(--mirror-panel);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(37,99,235,.2);
  transition: transform 0.1s;
}

.mirror-art-btn:active {
  transform: translateY(1px);
}

.mirror-art-ghost {
  background: var(--mirror-panel) !important;
  color: var(--mirror-ink) !important;
  border: 1px solid var(--mirror-line) !important;
  box-shadow: none !important;
}

.mirror-art-ok {
  background: var(--mirror-ok) !important;
}

.mirror-art-warn {
  background: var(--mirror-warn) !important;
}

.mirror-art-small {
  padding: 6px 10px;
  font-size: 11px;
}

/* ==========================================================================
   カラーピッカー・スウォッチ
   ========================================================================== */

.mirror-art-color-section {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.mirror-art-swatches {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.mirror-art-swatch {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 2px solid var(--mirror-panel);
  outline: 1px solid var(--mirror-line);
  cursor: pointer;
  transition: transform 0.1s;
}

.mirror-art-swatch:hover {
  transform: scale(1.1);
}

.mirror-art-swatch-active {
  outline: 2px solid var(--mirror-accent) !important;
}

/* ==========================================================================
   シンメトリー制御
   ========================================================================== */

.mirror-art-kaleido-only {
  opacity: 0.4;
  pointer-events: none;
}

.mirror-art-kaleido-active .mirror-art-kaleido-only {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   フォーム要素の詳細スタイル
   ========================================================================== */

/* テーマとの競合を防ぐスライダーリセット */
.mirror-art-container input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--mirror-line);
  border-radius: 3px;
  outline: none;
}

.mirror-art-container input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--mirror-accent);
  border-radius: 50%;
  cursor: pointer;
}

.mirror-art-container input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--mirror-accent);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.mirror-art-container input[type="checkbox"] {
  margin: 0;
  width: 16px;
  height: 16px;
}

.mirror-art-container select {
  cursor: pointer;
}

.mirror-art-container button {
  font-family: inherit;
}

/* ==========================================================================
   レスポンシブデザイン
   ========================================================================== */

/* タブレット・小さめPC */
@media (max-width: 900px) {
  .mirror-art-main {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  
  .mirror-art-sidebar {
    max-height: 200px;
  }
}

/* スマートフォン */
@media (max-width: 600px) {
  .mirror-art-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  
  .mirror-art-title {
    font-size: 14px;
  }
  
  .mirror-art-hint {
    font-size: 10px;
  }
  
  .mirror-art-main {
    padding: 4px;
  }
  
  .mirror-art-sidebar {
    padding: 8px;
    gap: 8px;
  }
  
  .mirror-art-group {
    padding: 8px;
  }
}

/* 非常に小さな画面（スマートウォッチ等） */
@media (max-width: 320px) {
  .mirror-art-container {
    font-size: 12px !important;
  }
  
  .mirror-art-title {
    font-size: 12px !important;
  }
  
  .mirror-art-hint {
    display: none !important;
  }
  
  .mirror-art-tool-btn {
    width: 30px !important;
    height: 30px !important;
    font-size: 12px !important;
  }
  
  .mirror-art-swatch {
    width: 20px !important;
    height: 20px !important;
  }
}

/* 大画面での最適化 */
@media (min-width: 1400px) {
  .mirror-art-main {
    grid-template-columns: 1fr 320px;
  }
  
  .mirror-art-sidebar {
    width: 320px;
  }
}

/* ==========================================================================
   アクセシビリティ・高度な対応
   ========================================================================== */

/* 高DPI・Retina対応 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .mirror-art-canvas {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
  .mirror-art-container {
    --mirror-line: #000000 !important;
    --mirror-muted: #000000 !important;
  }
  
  .mirror-art-swatch {
    outline: 2px solid #000000 !important;
  }
}

/* motion設定を尊重 */
@media (prefers-reduced-motion: reduce) {
  .mirror-art-container * {
    transition: none !important;
    animation: none !important;
  }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
  .mirror-art-container {
    --mirror-bg: #1a1a1a;
    --mirror-panel: #2d2d2d;
    --mirror-ink: #ffffff;
    --mirror-line: #404040;
    --mirror-muted: #a0a0a0;
  }
}

/* 印刷時のスタイル */
@media print {
  .mirror-art-sidebar {
    display: none !important;
  }
  
  .mirror-art-main {
    grid-template-columns: 1fr !important;
  }
  
  .mirror-art-container {
    background: white !important;
    color: black !important;
  }
}

/* IE11対応（フォールバック） */
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .mirror-art-main {
    display: -ms-flexbox;
    -ms-flex-direction: row;
  }
  
  .mirror-art-stage {
    -ms-flex: 1;
  }
  
  .mirror-art-sidebar {
    width: 280px;
    -ms-flex: 0 0 280px;
  }
}

/* ==========================================================================
   ユーティリティ・状態クラス
   ========================================================================== */

/* ローディング状態 */
.mirror-art-container.loading {
  opacity: 0.7;
  pointer-events: none;
}

.mirror-art-container.loading::after {
  content: '🎨 読み込み中...';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--mirror-panel);
  padding: 12px 16px;
  border-radius: var(--mirror-radius);
  box-shadow: var(--mirror-shadow);
  z-index: 1000;
}

/* エラー状態 */
.mirror-art-container.error {
  border: 2px solid var(--mirror-warn);
}

.mirror-art-container.error::after {
  content: '⚠️ エラーが発生しました。ページを再読み込みしてください。';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--mirror-warn);
  color: white;
  padding: 12px 16px;
  border-radius: var(--mirror-radius);
  z-index: 1000;
  text-align: center;
  max-width: 300px;
}

/* 展示モード（インタラクション無効） */
.mirror-art-container.exhibition-mode {
  pointer-events: none;
}

.mirror-art-container.exhibition-mode .mirror-art-canvas {
  cursor: default !important;
}

.mirror-art-container.exhibition-mode .mirror-art-sidebar {
  opacity: 0.5;
}

/* フルスクリーンモード */
.mirror-art-container.fullscreen {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 9999 !important;
  border-radius: 0 !important;
}

.mirror-art-container.fullscreen .mirror-art-main {
  grid-template-columns: 1fr 280px;
}

@media (max-width: 768px) {
  .mirror-art-container.fullscreen .mirror-art-main {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
}

/* ==========================================================================
   カスタムプロパティ（開発者向け拡張ポイント）
   ========================================================================== */

/*
このセクションのCSS変数を変更することで、テーマに合わせたカスタマイズが可能です

例:
.mirror-art-container {
  --mirror-accent: #your-brand-color;
  --mirror-panel: #your-background-color;
  --mirror-radius: 20px; // より丸い角
}
*/

/* 実験的機能（将来のバージョンで実装予定） */
.mirror-art-container.experimental {
  /* 3Dトランスフォーム準備 */
  perspective: 1000px;
}

.mirror-art-container.experimental .mirror-art-stage {
  /* WebGL準備 */
  transform-style: preserve-3d;
}

/* ==========================================================================
   デバッグ・開発者ツール
   ========================================================================== */

/* デバッグモード時のスタイル（本番では使用しない） */
.mirror-art-container.debug {
  border: 2px dashed #ff0000;
}

.mirror-art-container.debug * {
  outline: 1px dotted rgba(255, 0, 0, 0.3);
}

.mirror-art-container.debug::before {
  content: 'DEBUG MODE';
  position: absolute;
  top: 0;
  right: 0;
  background: #ff0000;
  color: white;
  padding: 4px 8px;
  font-size: 10px;
  z-index: 9999;
}