/* ============================================
   AI拡張機能 共通UI - Core Styles
   ============================================
   プラグインが使用できる標準的なAI機能UIコンポーネント
   - Loading dialogs
   - Result displays
   - Common animations
   ============================================ */

/* ===== AI Extension Dialog Overlay ===== */
.ai-extension-dialog {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10200;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.ai-extension-dialog.show {
  display: flex;
}

/* ===== AI Loading Dialog ===== */
.ai-dialog-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 40px 20px;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-accent-text);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}

.ai-dialog-loading p {
  margin: 0;
  color: var(--color-text);
  text-align: center;
}

.ai-dialog-loading p:last-child {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* ===== AI Spinner Animation ===== */
.knowledge-ai-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent-text);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ===== AI Result Container ===== */
.knowledge-ai-result {
  background: var(--color-surface);
  border: 1px solid var(--color-accent-text);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  margin: 20px 0;
  animation: fadeInScale 0.3s ease-out;
}

/* ダイアログ内で使用する場合のスタイル調整 */
.knowledge-ai-result--dialog {
  margin: 0;
  animation: none;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== AI Result Header ===== */
.knowledge-ai-result-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--color-accent-text) 0%, var(--color-accent-hover) 100%);
  color: var(--color-button-text);
  position: relative;
}

.knowledge-ai-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.knowledge-ai-result-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  flex: 1;
}

.knowledge-ai-result-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: var(--color-button-text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}

.knowledge-ai-result-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ===== AI Result Content ===== */
.knowledge-ai-result-content {
  padding: 20px;
}

.knowledge-ai-answer {
  color: var(--color-text);
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* AIで改善/ブログ下書きプレビューダイアログ: 変更前後の見出しラベル */
.knowledge-ai-preview-label {
  margin: 16px 0 6px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
}

.knowledge-ai-preview-label:first-child {
  margin-top: 0;
}

/* 変更前 (旧文) は控えめな表示にする */
.knowledge-ai-answer--muted {
  padding: 10px 12px;
  background: var(--color-surface-alt);
  border-radius: 8px;
  color: var(--color-text-secondary);
  max-height: 180px;
  overflow-y: auto;
}

/* ===== AI Result Action Buttons ===== */
.ai-result-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.ai-result-action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ai-result-action-btn:hover {
  background: var(--color-bg);
  border-color: var(--color-accent-text);
  color: var(--color-accent-text);
}

.ai-result-action-btn:active {
  transform: scale(0.98);
}

.ai-result-action-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ===== AI Dialog Custom Input ===== */
.ai-custom-input {
  margin-top: 16px;
  display: none;
}

.ai-custom-input label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-text);
}

.ai-custom-input .form-control {
  width: 100%;
  padding: 8px 12px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-size: 0.875rem;
}

.ai-custom-input .form-control:focus {
  outline: none;
  border-color: var(--color-accent-text);
}

/* ===== AI Language Selection Buttons ===== */
.ai-language-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.ai-language-btn {
  padding: 12px 16px;
  background: var(--color-surface-alt);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.ai-language-btn:hover {
  background: var(--color-bg);
  border-color: var(--color-accent-text);
  color: var(--color-accent-text);
}

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

/* ===== Dialog Content Modifiers ===== */
.confirm-dialog-content--wide {
  max-width: 600px;
}

.confirm-dialog-content--medium {
  max-width: 500px;
}

.confirm-dialog-body--no-padding {
  padding: 0;
}

/* ===== Dialog Message Styling ===== */
.ai-dialog-message {
  margin-bottom: 16px;
}

/* ===== Extension Action Button (Fallback) ===== */
.btn-extension-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  background: var(--color-accent-text);
  border: 1px solid var(--color-accent-text);
  border-radius: 6px;
  color: var(--color-button-text);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-extension-action:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn-extension-action:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}