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

body {
  font-family: 'Noto Sans KR', sans-serif;
  background-color: #f5f5f5;
  min-height: 100vh;
  display: flex;
}

/* 사이드바 스타일 */
.sidebar {
  width: 280px;
  background-color: white;
  padding: 20px;
  border-right: 1px solid #eee;
  height: 100vh;
  position: fixed;
}

.logo-container {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.logo-container img {
  width: 30px;
  height: 30px;
  margin-right: 10px;
}

.logo-container h1 {
  font-size: 20px;
  color: #4285f4;
}

.logo-subtitle {
  font-size: 14px;
  color: #666;
  margin-bottom: 30px;
}

/* 메인 컨텐츠 영역 */
.main-content {
  flex: 1;
  margin-left: 280px;
  padding: 20px;
}

.chat-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  height: calc(100vh - 40px);
  display: flex;
  flex-direction: column;
}

.chat-header {
  padding: 20px;
  border-bottom: 1px solid #eee;
}

.chat-header h2 {
  font-size: 18px;
  color: #333;
}

.chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.message {
  margin-bottom: 15px;
  padding: 12px 16px;
  border-radius: 8px;
  max-width: 80%;
  line-height: 1.5;
}

.user-message {
  background-color: #e3f2fd;
  margin-left: auto;
}

.bot-message {
  background-color: #f5f5f5;
}

.chat-input {
  padding: 20px;
  border-top: 1px solid #eee;
  display: flex;
  gap: 10px;
}

.chat-input input {
  flex: 1;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
}

.chat-input button {
  padding: 12px 24px;
  background-color: #4285f4;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

.chat-input button:hover {
  background-color: #3367d6;
}

/* 로딩 메시지 스타일 */
.loading {
  background-color: #f0f0f0;
  color: #666;
  font-style: italic;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

/* 모드 섹션 스타일 */
.mode-section {
    margin-top: 20px;
}

.mode-section h3 {
    font-size: 16px;
    color: #333;
    margin-bottom: 15px;
}

.mode-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mode-btn {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border: 1px solid #eee;
    border-radius: 8px;
    background: white;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.mode-btn:hover {
    background-color: #f8f9fa;
}

.mode-btn.active {
    background-color: #e8f0fe;
    border-color: #4285f4;
    color: #4285f4;
}

.mode-btn .icon {
    margin-right: 10px;
    font-size: 18px;
}

.api-key-container {
  margin-top: 20px;
  padding: 15px;
  background-color: #f5f5f5;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#api-key-input {
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.api-key-container button {
  padding: 8px 12px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.3s;
}

.api-key-container button:hover {
  background-color: #45a049;
}