/* チャットボット UI スタイル */
/* テーマカラーはCSS変数で定義し、JSから動的に上書きする */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #C41E3A;
  --primary-hover: #A31530;
  --primary-light: #fde8ec;
  --bg-image: none;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Noto Sans JP", sans-serif;
  background-color: #f5f5f5;
  color: #333;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

/* 外側背景にキャラクター画像をタイル配置 */
body::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--bg-image);
  background-repeat: repeat;
  background-size: 180px 180px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

/* アプリ全体のレイアウト */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 900px;
  margin: 0 auto;
  background-color: #fff;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

/* ヘッダー */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background-color: var(--primary-color);
  color: #fff;
  flex-shrink: 0;
}

/* ヘッダーのキャラクターアイコン */
.app-header-icon {
  width: 100px;
  height: 100px;
  object-fit: cover;
  margin-right: 6px;
}

.app-title {
  font-size: 18px;
  font-weight: 600;
  margin-right: auto;
}

.header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  position: relative;
}

.model-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.user-email {
  opacity: 0.85;
}

.logout-form {
  display: inline;
}

.logout-button {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 4px;
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  cursor: pointer;
  opacity: 0.85;
}

.logout-button:hover {
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.15);
}

.app-version {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  font-size: 13px;
  opacity: 0.85;
}

.model-selector label {
  white-space: nowrap;
}

.model-selector select {
  padding: 4px 8px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  background-color: rgba(255, 255, 255, 0.9);
  cursor: pointer;
}

/* テンプレートボタンバー */
.template-bar {
  display: flex;
  gap: 8px;
  padding: 8px 20px;
  background-color: #fafafa;
  border-bottom: 1px solid #e0e0e0;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.template-button {
  padding: 6px 14px;
  border: 1px solid #d0d0d0;
  border-radius: 20px;
  background-color: #fff;
  color: #555;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.template-button:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background-color: var(--primary-light);
}

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

/* チャットエリア */
.chat-area {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.welcome-message {
  text-align: center;
  color: #888;
  margin-top: 40px;
  font-size: 15px;
}

/* メッセージバブル */
.message {
  display: flex;
  gap: 10px;
  max-width: 85%;
  animation: fadeIn 0.3s ease-in;
}

.message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message.assistant {
  align-self: flex-start;
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.message.user .message-avatar {
  background-color: var(--primary-color);
  color: #fff;
}

.message.assistant .message-avatar {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border: 2px solid #555;
}

/* AIアバターのキャラクター画像 */
.message.assistant .message-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--primary-light);
}

.message-content {
  padding: 10px 16px;
  border-radius: 12px;
  line-height: 1.6;
  font-size: 14px;
  word-break: break-word;
}

.message.user .message-content {
  background-color: var(--primary-color);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.message.assistant .message-content {
  background-color: #f0f0f0;
  color: #333;
  border-bottom-left-radius: 4px;
}

/* AI応答内のMarkdown */
.message.assistant .message-content p {
  margin-bottom: 8px;
}

.message.assistant .message-content p:last-child {
  margin-bottom: 0;
}

.message.assistant .message-content ul,
.message.assistant .message-content ol {
  margin: 8px 0;
  padding-left: 20px;
}

.message.assistant .message-content code {
  background-color: #e0e0e0;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 13px;
}

.message.assistant .message-content pre {
  position: relative;
  background-color: #2d2d2d;
  color: #f8f8f2;
  padding: 12px;
  padding-top: 36px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 8px 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* コードブロックのコピーボタン */
.copy-button {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 3px 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ccc;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-button:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.message.assistant .message-content pre code {
  background-color: transparent;
  padding: 0;
  color: inherit;
}

/* ローディングインジケーター */
.loading-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #888;
  font-size: 14px;
  padding: 8px 0;
}

.loading-dots {
  display: flex;
  gap: 4px;
}

.loading-dots span {
  width: 6px;
  height: 6px;
  background-color: #888;
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out;
}

.loading-dots span:nth-child(1) { animation-delay: 0s; }
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

/* 入力エリア */
.input-area {
  padding: 12px 20px 16px;
  border-top: 1px solid #e0e0e0;
  background-color: #fff;
  flex-shrink: 0;
}

.input-container {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.input-container textarea {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  resize: none;
  max-height: 120px;
  line-height: 1.5;
  outline: none;
  transition: border-color 0.2s;
}

.input-container textarea:focus {
  border-color: var(--primary-color);
}

.input-container button {
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.2s;
}

.input-container button:hover {
  background-color: var(--primary-hover);
}

.input-container button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

.input-hint {
  font-size: 11px;
  color: #aaa;
  margin-top: 6px;
  text-align: right;
}

/* エラーメッセージ */
.error-message {
  background-color: #fdecea;
  color: #d93025;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin: 8px 0;
}

/* アニメーション */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* レスポンシブ対応 */
@media (max-width: 600px) {
  .app-header {
    padding: 10px 14px;
  }

  .app-title {
    font-size: 16px;
  }

  .chat-area {
    padding: 14px;
  }

  .message {
    max-width: 92%;
  }

  .template-bar {
    padding: 8px 14px;
  }

  .input-area {
    padding: 10px 14px 12px;
  }
}