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

body {
  font-family: "Noto Sans KR", sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  height: 100vh;
  overflow: hidden;
}

.container {
  display: flex;
  height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  background: white;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

/* 헤더 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1rem;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo i {
  font-size: 1.5rem;
}

.logo h1 {
  font-size: 1.2rem;
  font-weight: 700;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff6b6b;
  animation: pulse 2s infinite;
}

.status-dot.connected {
  background: #51cf66;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

/* 채팅 컨테이너 */
.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-top: 80px;
  height: calc(100vh - 80px);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  background: #f8f9fa;
}

/* 메시지 스타일 */
.message {
  display: flex;
  margin-bottom: 1rem;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.bot-message .message-avatar {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

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

.user-message .message-avatar {
  background: #28a745;
  color: white;
  margin-right: 0;
  margin-left: 0.75rem;
}

.message-content {
  max-width: 70%;
  background: white;
  border-radius: 18px;
  padding: 0.75rem 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: relative;
}

.user-message .message-content {
  background: #007bff;
  color: white;
}

.message-text {
  line-height: 1.5;
  word-wrap: break-word;
}

.message-time {
  font-size: 0.75rem;
  color: #6c757d;
  margin-top: 0.25rem;
  text-align: right;
}

.user-message .message-time {
  color: rgba(255, 255, 255, 0.7);
}

/* 입력 영역 */
.chat-input-container {
  background: white;
  border-top: 1px solid #e9ecef;
  padding: 1rem;
}

.quick-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.quick-btn {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 20px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.quick-btn:hover {
  background: #e9ecef;
  transform: translateY(-1px);
}

.quick-btn i {
  font-size: 0.8rem;
}

.input-wrapper {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

#messageInput {
  flex: 1;
  border: 1px solid #dee2e6;
  border-radius: 25px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s ease;
}

#messageInput:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

#sendButton {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 50%;
  width: 45px;
  height: 45px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

#sendButton:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

#sendButton:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* 사이드바 */
.sidebar {
  width: 350px;
  background: #f8f9fa;
  border-left: 1px solid #dee2e6;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  position: relative;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-header {
  background: white;
  padding: 1rem;
  border-bottom: 1px solid #dee2e6;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-header h3 {
  font-size: 1rem;
  color: #495057;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.close-sidebar {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: #6c757d;
  cursor: pointer;
  padding: 0.25rem;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.info-section {
  margin-bottom: 1.5rem;
  background: white;
  border-radius: 8px;
  padding: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.info-section h4 {
  font-size: 0.9rem;
  color: #495057;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-section p {
  font-size: 0.85rem;
  color: #6c757d;
  line-height: 1.4;
}

.info-section pre {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 4px;
  padding: 0.75rem;
  font-size: 0.8rem;
  overflow-x: auto;
  white-space: pre-wrap;
}

/* 사이드바 토글 버튼 */
.sidebar-toggle {
  position: fixed;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  transition: all 0.2s ease;
  z-index: 1001;
}

.sidebar-toggle:hover {
  transform: translateY(-50%) scale(1.1);
}

/* 로딩 애니메이션 */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0;
}

.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #6c757d;
  animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
  animation-delay: -0.32s;
}
.typing-dot:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes typing {
  0%,
  80%,
  100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  .sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 100%;
    z-index: 1002;
  }

  .sidebar-toggle {
    right: 15px;
    bottom: 20px;
    top: auto;
    transform: none;
  }

  .message-content {
    max-width: 85%;
  }

  .quick-actions {
    justify-content: center;
  }

  .quick-btn {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }
}

/* 스크롤바 스타일 */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}