/* =================================================================
   집잘알 챗봇 - 최적화된 순수 CSS
   ================================================================= */

/* CSS 변수 시스템 */
:root {
  /* 색상 */
  --color-primary: #0166ff;
  --color-primary-hover: #0052cc;
  --color-primary-light: #eff6ff;
  --color-blue-400: #60a5fa;
  
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  --color-green-100: #d1fae5;
  --color-green-600: #059669;
  --color-yellow-500: #f59e0b;
  
  /* 간격 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  
  /* 크기 */
  --size-xs: 24px;
  --size-sm: 40px;
  --size-md: 48px;
  
  /* 테두리 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-full: 9999px;
  
  /* 그림자 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(1, 102, 255, 0.1);
  
  /* 폰트 */
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.25rem;
  
  /* 레이아웃 */
  --container-width: 500px;
  --chat-bubble-width: 320px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: white;
  line-height: 1.6;
}

/* =================================================================
   앱 컨테이너
   ================================================================= */
.app-container {
  max-width: var(--container-width);
  margin: 0 auto;
  background-color: white;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =================================================================
   헤더 섹션
   ================================================================= */
.header {
  background-color: white;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-100);
  position: sticky;
  top: 0;
  z-index: 10;
}

/* 헤더 네비게이션 */
.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  position: relative;
}

/* 뒤로가기 버튼 */
.back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--size-sm);
  height: var(--size-sm);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s ease;
  z-index: 1;
}

.back-btn:hover {
  background-color: var(--color-gray-100);
}

.back-btn img {
  width: var(--size-xs);
  height: var(--size-xs);
}

/* 로고 중앙 정렬 */
.logo-container {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.logo-container img {
  height: var(--size-md);
}

/* 우측 공간 (대칭) */
.nav-spacer {
  width: var(--size-sm);
  height: var(--size-sm);
}

/* 진행률 섹션 */
.progress-section {
  margin-top: var(--spacing-xs);
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.progress-label {
  font-size: var(--font-xs);
  font-weight: 500;
  color: var(--color-gray-700);
}

.progress-text {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--color-primary);
}

.progress-bar-container {
  width: 100%;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-full);
  height: 6px;
  margin-top: var(--spacing-xs);
}

.progress-bar-fill {
  background: linear-gradient(to right, var(--color-primary), var(--color-blue-400));
  height: 6px;
  border-radius: var(--radius-full);
  transition: width 0.5s ease-out;
}

/* =================================================================
   서비스 배너
   ================================================================= */
.service-banner {
  padding: var(--spacing-lg);
  background: linear-gradient(to bottom right, var(--color-primary-light), #e0e7ff);
  border-bottom: 1px solid var(--color-gray-100);
}

.service-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.service-icon {
  width: var(--size-sm);
  height: var(--size-sm);
  background-color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  font-size: var(--font-xl);
}

.service-text {
  flex: 1;
}

.service-title {
  font-size: var(--font-base);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 2px;
}

.service-subtitle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.check-icon {
  width: 16px
}

.subtitle-text {
  color: #2563eb;
  font-size: var(--font-xs);
  font-weight: 500;
}

/* =================================================================
   채팅 영역
   ================================================================= */
.chat-area {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  overflow-y: auto;
}

/* 스크롤바 스타일링 */
.chat-area::-webkit-scrollbar {
  width: 8px;
}

.chat-area::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

.chat-area::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 10px;
}

.chat-area::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Firefox 스크롤바 */
.chat-area {
  scrollbar-width: thin;
  scrollbar-color: #888 #f1f1f1;
}

/* 채팅 메시지 래퍼 */
.chat-message-wrapper {
  display: flex;
}

.chat-message-wrapper.user-message {
  justify-content: flex-end;
}

.chat-message-wrapper.bot-message {
  justify-content: flex-start;
}

/* 채팅 버블 */
.chat-bubble {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--spacing-lg);
  font-size: var(--font-sm);
  line-height: 1.6;
  white-space: pre-line;
}

.chat-bubble.user {
  max-width: 85%;
  background-color: var(--color-primary);
  color: white;
  border-bottom-right-radius: 4px;
  box-shadow: var(--shadow-lg);
}

.chat-bubble.bot {
  width: var(--chat-bubble-width);
  background-color: white;
  border: 1px solid var(--color-gray-100);
  color: var(--color-gray-800);
  border-bottom-left-radius: 4px;
  box-shadow: var(--shadow-sm);
}

/* 선택지 옵션 */
.chat-bubble .options-container {
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.chat-bubble .option-button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px;
  background-color: white;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  color: var(--color-primary);
  font-weight: 500;
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.chat-bubble .option-button:hover {
  background-color: var(--color-primary-light);
}

/* 텍스트 입력 폼 */
.text-input-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.text-input-form input {
  flex: 1;
  padding: 10px;
  background-color: var(--color-gray-50);
  border: 0;
  border-radius: var(--radius-md);
  outline: none;
  transition: all 0.2s ease;
  font-size: var(--font-sm);
  color: var(--color-gray-800);
}

.text-input-form input:focus {
  background-color: white;
  box-shadow: var(--shadow-sm);
}

.text-input-form button {
  padding: 10px 14px;
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

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

/* 수정 버튼 */
.edit-button-wrapper {
  display: flex;
  justify-content: flex-end;
  margin-top: 2px;
}

.edit-button {
  font-size: var(--font-xs);
  color: #6b7280;
  background-color: var(--color-gray-100);
  padding: 4px 8px;
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.edit-button:hover {
  color: var(--color-gray-700);
  background-color: var(--color-gray-200);
}

/* 요약 확인 버튼 */
.review-summary-button {
  width: var(--chat-bubble-width);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  box-shadow: var(--shadow-sm);
}

.review-summary-button:hover {
  background-color: var(--color-gray-200);
}

/* =================================================================
   요약 페이지
   ================================================================= */
.summary-page {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: var(--container-width);
  margin: 0 auto;
  background-color: white;
  min-height: 100vh;
}

.summary-page .text-center {
  text-align: center;
  margin-bottom: 24px;
}

.summary-page .success-icon {
  width: var(--size-md);
  height: var(--size-md);
  background-color: var(--color-green-100);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.summary-page .success-icon svg {
  width: var(--size-xs);
  height: var(--size-xs);
  color: var(--color-green-600);
}

.summary-page .summary-title {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 4px;
}

.summary-page .summary-subtitle {
  color: var(--color-gray-600);
  font-size: var(--font-sm);
}

.summary-page .summary-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.summary-page .summary-item {
  background-color: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.summary-page .item-label {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.summary-page .item-value {
  color: var(--color-gray-900);
  font-size: var(--font-sm);
}

.summary-page .button-group {
  padding-top: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.summary-page button {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.summary-page .primary-submit-button {
  background-color: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-lg);
}

.summary-page .primary-submit-button:hover {
  background-color: var(--color-primary-hover);
}

.summary-page .secondary-button {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  font-weight: 500;
}

.summary-page .secondary-button:hover {
  background-color: var(--color-gray-200);
}

/* =================================================================
   유틸리티 클래스
   ================================================================= */
.hidden {
  display: none !important;
}

.text-primary {
  color: var(--color-primary);
}

.bg-primary {
  background-color: var(--color-primary);
}

.bg-primary:hover {
  background-color: var(--color-primary-hover);
}

/* =================================================================
   반응형 디자인
   ================================================================= */
@media (max-width: 768px) {
  .chat-bubble.bot {
    width: 90%;
  }
  
  .review-summary-button {
    width: 90%;
  }
  
  .app-container {
    max-width: 100%;
  }
}