/* AI画像生成ページ専用スタイル */

/* レイアウト修正（サイドナビとの共存） */
@media screen and (min-width: 960px) {
  .order {
    float: right;
    width: 75%;
  }
}

.main.ai-generator {
  max-width: 100%;
}

/* 変数 */
:root {
  --ai-primary: #c9a227;
  --ai-primary-dark: #a88620;
  --ai-accent: #e74c3c;
  --ai-accent-dark: #c0392b;
  --ai-success: #27ae60;
  --ai-error: #e74c3c;
  --ai-border: #ddd;
  --ai-bg-light: #f9f9f9;
}

/* メインコンテナ */
.ai-generator {
  padding: 20px;
}

/* イントロセクション */
.ai-intro {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 25px;
  border-radius: 8px;
  border-left: 4px solid var(--ai-primary);
}

.ai-section-title {
  font-size: 1.4rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 12px;
}

.ai-description {
  color: #555;
  line-height: 1.8;
}

/* 操作手順ガイド */
.steps-guide {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 15px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.step-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #f8f9fa;
  padding: 10px 15px;
  border-radius: 25px;
  font-size: 0.9rem;
}

.step-item .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--ai-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: bold;
}

.step-arrow {
  color: var(--ai-primary);
  font-size: 1.2rem;
}

/* 品質モードバナー */
.quality-banner {
  border-radius: 8px;
  padding: 15px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.quality-banner.high {
  background: linear-gradient(135deg, #fff8e1 0%, #fff3c4 100%);
  border: 2px solid #f0c040;
}

.quality-banner.standard {
  background: linear-gradient(135deg, #e8f4fd 0%, #d4ecf9 100%);
  border: 2px solid #7bb8d9;
}

.quality-banner.limit-reached {
  background: linear-gradient(135deg, #fde8e8 0%, #f9d4d4 100%);
  border: 2px solid #d97b7b;
}

.quality-icon {
  font-size: 1.8rem;
}

.quality-banner.high .quality-icon { color: #d4a017; }
.quality-banner.standard .quality-icon { color: #3498db; }
.quality-banner.limit-reached .quality-icon { color: #e74c3c; }

.quality-info {
  flex: 1;
}

.quality-title {
  font-weight: bold;
  font-size: 1rem;
  margin-bottom: 2px;
}

.quality-banner.high .quality-title { color: #b8860b; }
.quality-banner.standard .quality-title { color: #2471a3; }
.quality-banner.limit-reached .quality-title { color: #c0392b; }

.quality-desc {
  font-size: 0.85rem;
  color: #666;
}

.quality-counter {
  text-align: center;
}

.counter-number {
  font-size: 1.6rem;
  font-weight: bold;
  color: #333;
}

.counter-label {
  font-size: 0.75rem;
  color: #999;
}

/* 色選択 */
.color-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.color-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 12px 16px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  transition: all 0.2s;
  background: #fff;
}

.color-item:hover {
  border-color: var(--ai-primary);
}

.color-item.selected {
  border-color: var(--ai-primary);
  background: rgba(201, 162, 39, 0.08);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.2);
}

.color-item input {
  display: none;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #ccc;
}

.color-swatch.gold {
  background: linear-gradient(135deg, #d4af37 0%, #f9e076 50%, #d4af37 100%);
}

.color-swatch.silver {
  background: linear-gradient(135deg, #c0c0c0 0%, #e8e8e8 50%, #c0c0c0 100%);
}

.color-swatch.reference {
  background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 50%, #45b7d1 100%);
}

.color-swatch.black {
  background: linear-gradient(135deg, #1a1a1a 0%, #555555 50%, #1a1a1a 100%);
}

.color-label {
  font-weight: 500;
}

/* フォームセクション */
.ai-form-section {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid var(--ai-border);
}

.ai-form-title {
  font-size: 1.2rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ai-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--ai-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 0.9rem;
}

/* フォームグループ */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: bold;
  margin-bottom: 10px;
  color: #333;
}

.required-mark {
  color: #e74c3c;
  font-weight: bold;
}

/* アップロードエリア */
.upload-area {
  border: 2px dashed var(--ai-border);
  border-radius: 8px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--ai-bg-light);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--ai-primary);
  background: rgba(201, 162, 39, 0.05);
}

.upload-icon {
  font-size: 3rem;
  color: var(--ai-primary);
  margin-bottom: 12px;
}

.upload-text {
  font-size: 1rem;
  color: #333;
  margin-bottom: 8px;
}

.upload-hint {
  font-size: 0.85rem;
  color: #666;
}

/* プレビューエリア */
.preview-area {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.preview-item {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: background 0.2s;
}

.preview-remove:hover {
  background: var(--ai-error);
}

/* ラジオグループ */
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.radio-item {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 12px 16px;
  border: 2px solid var(--ai-border);
  border-radius: 8px;
  transition: all 0.2s;
  flex: 1;
  min-width: 140px;
  background: #fff;
  position: relative;
}

.radio-item:hover {
  border-color: var(--ai-primary);
}

.radio-item input[type="radio"] {
  display: none;
}

.radio-item:has(input[type="radio"]:checked) {
  border-color: var(--ai-primary);
  border-width: 3px;
  background: linear-gradient(135deg, #fff9e6 0%, #fff3cd 100%);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.2);
}

.radio-item:has(input[type="radio"]:checked) .radio-label {
  color: var(--ai-primary-dark);
  font-weight: bold;
}

.radio-label {
  font-size: 0.95rem;
}

/* テンプレートボタン */
.template-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  align-items: center;
}

.template-label {
  font-weight: bold;
  color: #666;
  font-size: 0.85rem;
}

.btn-template {
  padding: 8px 14px;
  border: 1px solid var(--ai-primary);
  border-radius: 20px;
  background: #fff;
  color: var(--ai-primary-dark);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-template:hover {
  background: var(--ai-primary);
  color: #fff;
}

/* テキストエリア */
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--ai-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--ai-primary);
}

.form-hint {
  font-size: 0.85rem;
  color: #666;
  margin-top: 8px;
  padding-left: 4px;
}

/* 生成ボタン */
.btn-generate {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 18px 32px;
  border: none;
  border-radius: 8px;
  font-size: 1.15rem;
  font-weight: bold;
  cursor: pointer;
  background: linear-gradient(135deg, var(--ai-primary) 0%, var(--ai-primary-dark) 100%);
  color: #fff;
  transition: all 0.2s;
}

.btn-generate:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(201, 162, 39, 0.4);
  opacity: 1;
}

.btn-generate:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* プロンプト確認セクション */
.prompt-preview-section {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  border: 2px solid var(--ai-primary);
}

.prompt-preview-hint {
  background: #fffbeb;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  line-height: 1.8;
  color: #666;
}

.prompt-preview-hint i {
  color: var(--ai-primary);
  margin-right: 8px;
}

.prompt-preview-hint strong {
  color: #333;
  display: block;
  margin-top: 8px;
}

.prompt-preview-box {
  margin-bottom: 20px;
}

.prompt-textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.95rem;
  line-height: 1.6;
  resize: vertical;
  min-height: 120px;
}

.prompt-textarea:focus {
  outline: none;
  border-color: var(--ai-primary);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1);
}

.prompt-edit-hint {
  font-size: 0.85rem;
  color: #888;
  margin-top: 8px;
  text-align: right;
}

.prompt-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.prompt-actions .btn-generate {
  flex: 2;
  min-width: 200px;
}

.prompt-actions .btn-secondary {
  flex: 1;
  min-width: 150px;
}

/* ローディング */
.loading-section {
  background: #fff;
  padding: 60px 24px;
  border-radius: 8px;
  border: 1px solid var(--ai-border);
  text-align: center;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--ai-border);
  border-top-color: var(--ai-primary);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  font-size: 1.2rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 8px;
}

.loading-hint {
  font-size: 0.9rem;
  color: #666;
}

/* 結果セクション */
.result-section {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid var(--ai-border);
}

.result-image-container {
  text-align: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.result-image {
  max-width: 100%;
  max-height: 512px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* 画像ナビゲーション矢印 */
.nav-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.nav-arrow:hover {
  background: var(--ai-primary);
  transform: scale(1.1);
}

/* 画像カウンター */
.image-counter {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
}

/* プレビュー注記 */
.preview-notice {
  background: #f8f9fa;
  border-left: 3px solid #95a5a6;
  padding: 10px 15px;
  border-radius: 0 8px 8px 0;
  font-size: 0.8rem;
  color: #7f8c8d;
}

/* アクションボタン */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.btn-quote {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 18px 32px;
  border: none;
  border-radius: 8px;
  font-size: 1.15rem;
  font-weight: bold;
  text-decoration: none;
  background: linear-gradient(135deg, #27ae60 0%, #219a52 100%);
  color: #fff;
  transition: all 0.2s;
  animation: pulse 2s infinite;
}

.btn-quote:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(39, 174, 96, 0.4);
  opacity: 1;
  color: #fff;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(39, 174, 96, 0);
  }
}

.secondary-actions {
  display: flex;
  gap: 12px;
}

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--ai-border);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  background: #fff;
  color: #333;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--ai-primary);
  color: var(--ai-primary);
  opacity: 1;
}

/* エラーセクション */
.error-section {
  background: #fff5f5;
  padding: 30px;
  border-radius: 8px;
  border: 2px solid var(--ai-error);
}

.error-content {
  text-align: center;
}

.error-content i {
  font-size: 3rem;
  color: var(--ai-error);
  margin-bottom: 16px;
}

.error-content p {
  font-size: 1rem;
  color: #333;
  margin-bottom: 20px;
}

/* 戻るリンク */
.back-link {
  text-align: center;
}

.back-link a {
  color: #3470b6;
  text-decoration: none;
}

.back-link a:hover {
  text-decoration: underline;
}

/* 2択モード選択ボタン */
.mode-buttons {
  display: flex;
  gap: 16px;
}

.mode-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 16px;
  border: 2px solid var(--ai-border);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.95rem;
  color: var(--ai-text);
  text-align: center;
}

.mode-btn i {
  font-size: 2rem;
  color: var(--ai-primary);
}

.mode-btn:hover {
  border-color: var(--ai-primary);
  background: rgba(201, 162, 39, 0.03);
}

.mode-btn.selected {
  border-color: var(--ai-primary);
  background: rgba(201, 162, 39, 0.08);
  box-shadow: 0 0 0 1px var(--ai-primary);
}

/* スマホ用アップロード文言切り替え */
.upload-text-sp {
  display: none;
}

/* レスポンシブ - タブレット */
@media (max-width: 960px) {
  .order {
    float: none;
    width: 100%;
  }

  .quality-banner {
    flex-direction: column;
    text-align: center;
  }
}

/* レスポンシブ - スマホ */
@media (max-width: 600px) {
  .ai-generator {
    padding: 10px;
  }

  .ai-intro {
    padding: 15px;
  }

  .ai-section-title {
    font-size: 1.1rem;
  }

  .steps-guide {
    flex-direction: column;
    align-items: center;
  }

  .step-arrow {
    transform: rotate(90deg);
  }

  .color-group {
    flex-direction: column;
  }

  .ai-form-section {
    padding: 15px;
  }

  .radio-group {
    flex-direction: column;
  }

  .radio-item {
    min-width: 100%;
    padding: 14px 16px;
  }

  .mode-buttons {
    flex-direction: column;
  }

  .mode-btn {
    flex-direction: row;
    padding: 18px 16px;
  }

  .mode-btn i {
    font-size: 1.5rem;
  }

  .upload-area {
    padding: 30px 15px;
  }

  .upload-icon {
    font-size: 2.5rem;
  }

  .upload-text-pc {
    display: none;
  }

  .upload-text-sp {
    display: block !important;
  }

  .upload-text {
    font-size: 0.9rem;
  }

  .preview-item {
    width: 80px;
    height: 80px;
  }

  .form-textarea {
    font-size: 16px; /* iOS zoom防止 */
  }

  .btn-generate {
    padding: 16px 24px;
    font-size: 1rem;
  }

  .result-image-container {
    flex-direction: column;
    gap: 12px;
  }

  .result-image {
    max-height: 300px;
  }

  .nav-arrow {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .image-counter {
    position: static;
    transform: none;
    margin-top: 8px;
  }

  .secondary-actions {
    flex-direction: column;
  }

  .btn-secondary {
    width: 100%;
    padding: 14px 16px;
  }

  .btn-quote {
    padding: 16px 24px;
    font-size: 1rem;
  }

  .loading-section {
    padding: 40px 20px;
  }

  .loading-spinner {
    width: 50px;
    height: 50px;
  }

  .prompt-preview-section {
    padding: 15px;
  }

  .prompt-actions {
    flex-direction: column;
  }

  .prompt-actions .btn-generate,
  .prompt-actions .btn-secondary {
    width: 100%;
    min-width: auto;
  }

  .back-link {
    padding: 10px;
  }
}

/* タッチデバイス用 */
@media (hover: none) and (pointer: coarse) {
  .radio-item:hover {
    border-color: var(--ai-border);
  }

  .radio-item:active {
    border-color: var(--ai-primary);
  }

  .btn-generate:hover {
    transform: none;
    box-shadow: none;
  }

  .btn-generate:active {
    transform: scale(0.98);
  }

  .upload-area:hover {
    border-color: var(--ai-border);
    background: var(--ai-bg-light);
  }

  .upload-area:active {
    border-color: var(--ai-primary);
    background: rgba(201, 162, 39, 0.05);
  }

  .color-item:hover {
    border-color: #e0e0e0;
  }

  .color-item:active {
    border-color: var(--ai-primary);
  }

  .btn-template:hover {
    background: #fff;
    color: var(--ai-primary-dark);
  }

  .btn-template:active {
    background: var(--ai-primary);
    color: #fff;
  }
}