/* frontend/style.css - 수정된 버전 - Updated with special spell-check tab styling */

/* ===== 기본 스타일 ===== */
/* CSS 변수는 css-variables.css에서 통합 관리됩니다 */


/* 기본 리셋은 css-variables.css에서 통합 관리 */

body {
  font-family: 'Noto Sans KR', sans-serif;
  background-color: var(--background-color);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== 헤더 ===== */
.header {
  background-color: var(--card-bg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-sm) 0; /* 헤더 상하 패딩 조정 */
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between; /* <<< 중요: 제목과 오른쪽 섹션 분리 */
  min-height: 50px; /* 최소 높이 설정 (선택 사항) */
  flex-wrap: nowrap; /* <<< 중요: 넓은 화면에서 줄바꿈 방지 */
}

.header-title { /* h1 대신 .header-title 사용 */
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.4rem; /* 크기 조정 */
  font-weight: 700;
  color: var(--primary-dark);
  margin: 0;
  white-space: nowrap; /* 제목 줄바꿈 방지 */
  flex-shrink: 0; /* 제목 영역이 줄어들지 않도록 */
}

/* 헤더 제목 안의 a 태그 스타일 제거 (상속받도록) */
.header-title a {
  text-decoration: none;
  color: inherit;
  display: flex; /* 내부 로고와 텍스트 정렬 위해 flex 사용 */
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  height: 40px; /* 로고 크기 조정 */
  transition: transform 0.3s ease;
}

.logo-icon:hover {
  transform: rotate(10deg);
}

/* 오른쪽 섹션 (네비게이션 + 인증 컨트롤) */
.header-right-section {
  display: flex;
  align-items: center; 
  gap: var(--spacing-lg); 
  flex-shrink: 1; 
  min-width: 0; 
}

.main-nav {
  /* flex-grow: 1; /* 필요 시 주석 해제하여 네비가 공간 차지하도록 */
}

.main-nav ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--spacing-md); /* 메뉴 간 간격 */
  align-items: center;
  flex-wrap: nowrap; /* 네비 메뉴 줄바꿈 방지 */
}

.main-nav a {
  color: var(--text-medium);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  white-space: nowrap;
  display: inline-block; /* vertical-align 적용 위해 필요할 수 있음 */
  vertical-align: middle; /* <<< 추가 */
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--primary-color);
  background-color: var(--primary-light-transparent);
}

.main-nav a.active {
  font-weight: 600; /* 활성 메뉴 강조 */
}

/* 맞춤법 검사 탭 특별 스타일 */
.main-nav a.spell-check-tab {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  font-weight: 600;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}

.main-nav a.spell-check-tab::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--primary-light));
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.7;
  animation: border-glow 2s ease-in-out infinite alternate;
}

.main-nav a.spell-check-tab:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.main-nav a.spell-check-tab.active {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: white;
}

@keyframes border-glow {
  0% { opacity: 0.5; }
  100% { opacity: 0.9; }
}

/* 맞춤법 검사 탭만 특별하게 강조, 다른 탭들은 기본 스타일 유지 */

.user-auth-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
  vertical-align: middle; /* <<< 추가 */
}

/* 로그인/회원가입 버튼 스타일 */
.auth-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  background-color: var(--primary-color) !important;
  border: none !important;
  border-radius: var(--radius-md) !important;
  padding: 0.6rem 1.2rem !important; /* 패딩 증가 */
  font-size: 0.9rem !important;
  font-weight: 500 !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  color: white !important;
  white-space: nowrap !important;
  box-shadow: var(--shadow-sm) !important;
  margin-top: 6px; /* 버튼을 아래로 내림 */
}

.auth-btn:hover {
  background-color: var(--primary-dark) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 3px 6px rgba(23, 23, 23, 0.15) !important;
}

/* 사용자 프로필 드롭다운 스타일 수정 */
.user-profile-dropdown {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 6px; /* 프로필을 아래로 내림 */
}

.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.4rem 1rem; /* 패딩 증가 */
  font-size: 1rem; /* iOS zoom fix */
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-dark);
}

.user-profile-btn:hover {
  background-color: var(--bg-hover);
}

.user-profile-btn .profile-pic {
  width: 40px; /* 프로필 사진 크기 증가 */
  height: 40px;
  border-radius: 90%;
  object-fit: cover;
  border: 1px solid var(--border-color-light);
  vertical-align: middle;
  visibility: visible; /* 항상 표시 */
  background-color: var(--bg-light);
}

.user-profile-btn #userDisplayName {
  font-size: 1rem;
  font-weight: 500;
  vertical-align: middle;
  color: var(--text-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px; /* 이름 최대 너비 증가 */
  min-height: 1em;
}

/* 로그인 상태에 따른 표시 제어 */
.logged-out .user-profile-dropdown {
  display: none; /* 로그아웃 상태에서 프로필 숨김 */
}

.logged-in .auth-btn-container {
  display: none; /* 로그인 상태에서 로그인/회원가입 버튼 숨김 */
}

/* 높은 해상도에서 레이아웃 조정 */
@media screen and (min-width: 992px) {
  .header-content {
    padding: 0 var(--spacing-xl);
  }
  
  .user-auth-controls {
    margin-left: var(--spacing-lg);
  }
}

/* 모바일 디바이스 대응 */
@media screen and (max-width: 768px) {
  .user-profile-btn #userDisplayName {
    max-width: 80px; /* 작은 화면에서 이름 너비 제한 */
  }
  
  .auth-btn {
    padding: 0.5rem 1rem !important;
  }
}

/* 매우 작은 화면 대응 */
@media screen and (max-width: 480px) {
  .user-profile-btn {
    padding: 0.3rem 0.8rem;
  }
  
  .user-profile-btn .profile-pic {
    width: 30px;
    height: 30px;
  }
  
  .user-profile-btn #userDisplayName {
    font-size: 0.85rem;
    max-width: 70px;
  }
}
.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  background-color: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  width: 160px; /* 너비 조정 */
  overflow: hidden;
  z-index: 101; /* 헤더보다 위에 오도록 */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.user-profile-dropdown:hover .dropdown-menu,
.user-profile-btn:focus + .dropdown-menu,
.user-profile-btn[aria-expanded="true"] + .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-dark);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s; /* color transition 추가 */
}

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

.dropdown-menu a:not(:last-child) {
  border-bottom: 1px solid var(--border-color-light);
}

/* ===== 레이아웃 ===== */
/* 여기서 main-section의 max-width를 수정하여 각 페이지에서 오버라이드 할 수 있도록 함 */
.main-section {
  /* max-width를 지정하지 않음으로써 각 페이지에서 자유롭게 설정 가능 */
  margin: var(--spacing-xl) auto;
  padding: 0 var(--spacing-md);
}

.container {
  display: flex;
  gap: var(--spacing-xl);
}

.hidden {
  display: none !important;
}

.left-column, .right-column {
  flex: 1;
}

/* ===== 섹션 스타일 ===== */
section {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

section:hover {
  box-shadow: var(--shadow-md);
}

h2 {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

h3 {
  color: var(--text-medium);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ===== 입력 섹션 ===== */
textarea {
  width: 100%;
  height: 150px;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
  transition: var(--transition);
  margin-bottom: var(--spacing-md);
  background-color: var(--card-bg);
  color: var(--text-dark);
}

textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(72, 149, 239, 0.2); /* primary color 계열 */
}
textarea::placeholder {
  color: var(--text-light);
}

/* ===== 버튼 스타일 ===== */
/* 기존 버튼 스타일 유지하되, border-radius 는 --radius-md 로 통일 */
.check-btn, .ocr-btn, .camera-btn, .primary-btn, .secondary-btn,
.listen-again-btn, .submit-btn, .next-tip-btn,
.social-btn
{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

/* Primary 계열 버튼 */
.check-btn, .primary-btn, .submit-btn,
.start-btn
{
  background-color: var(--primary-color);
  color: white;
}
.check-btn[disabled], .primary-btn[disabled], .submit-btn[disabled],
.start-btn[disabled] {
  background-color: #CBD5E1; /* 비활성 색상 */
  cursor: not-allowed;
  opacity: 0.7;
}


/* Secondary 계열 버튼 */
.ocr-btn, .camera-btn, .secondary-btn, .listen-again-btn {
  background-color: var(--secondary-color);
  color: var(--text-dark);
}

/* Warning 계열 버튼 */
.next-tip-btn {
  background-color: var(--warning-color);
  color: white;
  width: 100%;
  border-bottom-left-radius: var(--border-radius); /* 컨테이너 radius 유지 */
  border-bottom-right-radius: var(--border-radius);
}

/* 공유 버튼들 (개별 색상) */
.social-btn { background-color: #495057; color: white; flex: 1;}
.copy-btn { background-color: #6c757d; }
.kakao-btn { background-color: #FEE500; color: #3C1E1E; }
.facebook-btn { background-color: #4267B2; }

/* 버튼 Hover & Active 효과 */
.check-btn:hover:not(:disabled), .primary-btn:hover:not(:disabled), .submit-btn:hover:not(:disabled),
.start-btn:hover:not(:disabled) {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}
.ocr-btn:hover, .camera-btn:hover, .secondary-btn:hover, .listen-again-btn:hover {
  background-color: #3ab7dc; /* secondary-color 밝게 */
  transform: translateY(-2px);
}
.next-tip-btn:hover {
  background-color: #f08c00; /* warning-color 어둡게 */
}
.social-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.check-btn:active, .ocr-btn:active, .camera-btn:active, .primary-btn:active, .secondary-btn:active,
.listen-again-btn:active, .submit-btn:active, .next-tip-btn:active, .social-btn:active,
.start-btn:active
{
  transform: translateY(1px);
}

/* ===== 음성 인식 ===== */
.voice-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.voice-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-radius: 30px; /* 원형 유지 */
  background-color: #f1f3f5;
  color: var(--text-medium);
  border: 1px solid var(--border-color);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  max-width: 300px;
}

.voice-btn:hover {
  background-color: #e9ecef;
}

.voice-btn.listening {
  background-color: var(--accent-color);
  color: white;
  animation: pulse 1.5s infinite;
}

.voice-status {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: var(--spacing-sm);
  text-align: center;
  min-height: 20px;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(247, 37, 133, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(247, 37, 133, 0); }
  100% { box-shadow: 0 0 0 0 rgba(247, 37, 133, 0); }
}

/* ===== OCR 섹션 ===== */
.ocr-controls {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.file-input-wrapper {
  position: relative;
  flex: 1;
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.file-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  background-color: #f1f3f5;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  color: var(--text-medium);
  cursor: pointer;
  transition: var(--transition);
}

.file-input:hover + .file-label {
  background-color: #e9ecef;
  border-color: var(--primary-light);
}

.ocr-note {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-medium);
  background-color: rgba(255, 158, 0, 0.1);
  border-left: 3px solid var(--warning-color);
  padding: var(--spacing-md);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
}

/* ===== 맞춤법 팁 섹션 ===== */
.tip-container {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.tip-content {
  padding: var(--spacing-lg);
  min-height: 120px;
  color: var(--text-dark);
}

.tip-content strong {
  color: var(--warning-color);
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

.tip-content p {
  color: var(--text-medium);
  line-height: 1.6;
}

/* ===== 결과 섹션 ===== */
.output-box {
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  min-height: 200px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  color: var(--text-dark);
}

.output-box.has-results {
  background-color: var(--card-bg);
}

.original-text, .corrected-text {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
}

.original-text {
  background-color: #fff5f5; /* error color 연한 배경 */
  border-left: 4px solid var(--error-color);
  color: var(--text-dark);
}

.corrected-text {
  background-color: #f0f9ff; /* primary color 연한 배경 */
  border-left: 4px solid var(--primary-color);
  color: var(--text-dark);
}

.highlight-red {
  color: var(--error-color);
  font-weight: bold;
  text-decoration: line-through;
  background-color: transparent !important;
}

.highlight-blue {
  color: var(--primary-color);
  font-weight: bold;
  background-color: transparent !important;
}


.reason-box {
  padding: var(--spacing-md);
  background-color: var(--background-color);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  border-left: 4px solid var(--warning-color);
  color: var(--text-medium);
}

.reason-title {
  font-weight: bold;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

/* 맞춤 예시 스타일 */
.examples-box {
  margin-top: var(--spacing-lg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.examples-title {
  background-color: var(--success-color);
  color: white;
  padding: var(--spacing-md);
  font-weight: bold;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.examples-content {
  padding: var(--spacing-md);
  background-color: var(--card-bg);
}

.correct-form {
  background-color: #f5f5f5;
  border-left: 4px solid var(--success-color);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  color: var(--text-dark);
}

.explanation {
  background-color: #fff9e6; /* warning color 연한 배경 */
  border-left: 4px solid var(--warning-color);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  color: var(--text-medium);
}

.examples-list {
  background-color: #f0f8f0; /* success color 연한 배경 */
  padding: var(--spacing-md);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
}

.example-item {
  background-color: white;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-left: 3px solid var(--success-color);
  border-radius: var(--radius-sm); /* 4px */
  color: var(--text-dark);
}

.loading-examples {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--text-light);
}

.loading-examples::after {
  content: "";
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid var(--success-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  vertical-align: middle;
  margin-left: var(--spacing-sm);
}

/* ===== 공유 섹션 ===== */
.share-section {
  background-color: var(--background-color);
}

.social-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* ===== 로딩 화면 ===== */
.loading,
.page-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
  box-sizing: border-box;
}

.loading.active,
.page-loading.active {
  visibility: visible;
  opacity: 1;
}

.loading.hidden,
.page-loading.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-container {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
}

.loading-icon-container {
  margin-bottom: 1.5rem;
}

.loading-sejong-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  animation: spin 2s linear infinite;
  border: 3px solid #667eea;
  padding: 5px;
  background: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

.loading-title {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-dark);
  text-align: center;
}

.loader {
  width: 48px;
  height: 48px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===== 토스트 메시지 (통일된 스타일) ===== */
.toast-message, .toast {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background-color: rgba(0, 0, 0, 0.85);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 14px;
  z-index: 10001;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(20px) translateX(20px);
  min-width: 280px;
  max-width: 400px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  border-left: 4px solid transparent;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.toast-message.show, .toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) translateX(0);
}

/* 토스트 타입별 색상 */
.toast-message.success, .toast.success {
  background-color: rgba(16, 185, 129, 0.95);
  border-left-color: #10b981;
}

.toast-message.error, .toast.error {
  background-color: rgba(239, 68, 68, 0.95);
  border-left-color: #ef4444;
}

.toast-message.warning, .toast.warning {
  background-color: rgba(245, 158, 11, 0.95);
  border-left-color: #f59e0b;
}

.toast-message.info, .toast.info {
  background-color: rgba(59, 130, 246, 0.95);
  border-left-color: #3b82f6;
}

/* ===== 모둠 학습 페이지 (커뮤니티) ===== */
/* (기존 커뮤니티 관련 스타일 유지) */
.peer-feedback-section {
  width: 100%;
}

.feedback-tabs {
  display: flex;
  margin-bottom: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  padding: var(--spacing-xs);
  border: 1px solid var(--border-color);
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  padding: var(--spacing-md);
  font-weight: 600;
  cursor: pointer;
  border-radius: calc(var(--radius-md) - 4px); /* 4px */
  transition: var(--transition);
  color: var(--text-medium);
}

.tab-btn:hover {
  background-color: rgba(67, 97, 238, 0.1); /* primary color 투명 배경 */
  color: var(--primary-color);
}

.tab-btn.active {
  background-color: var(--card-bg);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.tab-panel {
  display: none;
  padding: var(--spacing-lg);
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  margin-top: var(--spacing-md);
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.text-to-share {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.text-to-share p {
  margin-bottom: var(--spacing-md);
  color: var(--text-medium);
}

.text-to-share textarea {
  height: 120px;
}

.code-input-section {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.code-input {
  flex: 1;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--card-bg);
  color: var(--text-dark);
}

.code-input:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(72, 149, 239, 0.2); /* primary color 계열 */
}

.feedback-text-display {
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  border: 1px solid var(--border-color);
}

.feedback-original {
  margin-bottom: var(--spacing-lg);
}

.feedback-original h4, .feedback-comments h4 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

#feedbackOriginalText {
  background-color: var(--card-bg);
  padding: var(--spacing-md);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  border-left: 4px solid var(--primary-color);
  color: var(--text-dark);
  border: 1px solid var(--border-color);
}

#feedbackComments { /* 피드백 입력 영역 */
  height: 120px;
  margin-bottom: var(--spacing-md);
}

.received-feedbacks {
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
}

.no-feedbacks {
  text-align: center;
  color: var(--text-light);
  padding: var(--spacing-xl);
}

.submission-item {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.submission-item:hover {
  box-shadow: var(--shadow-md);
}

.submission-text {
  background-color: #f0f9ff; /* primary color 연한 배경 */
  padding: var(--spacing-md);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  border-left: 4px solid var(--primary-color);
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

.submission-date, .submission-code {
  color: var(--text-light);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.submission-feedbacks h4 {
  margin: var(--spacing-md) 0;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.feedback-items {
  list-style-type: none;
  padding: 0;
}

.feedback-item {
  background-color: var(--background-color);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-left: 3px solid var(--accent-color);
  border: 1px solid var(--border-color);
  border-left-width: 3px;
}

.feedback-content {
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.feedback-date {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

.no-feedback-message {
  text-align: center;
  color: var(--text-light);
  padding: var(--spacing-lg);
  font-style: italic;
}

/* ===== 맞춤법 퀴즈 페이지 ===== */
/* 퀴즈 페이지 스타일은 quiz.css 에서 관리 */


/* ===== 애니메이션 ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 카메라 모달 ===== */
/* (기존 카메라 모달 스타일 유지) */
.camera-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1001;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.3s, opacity 0.3s;
}
.camera-modal.active {
    visibility: visible;
    opacity: 1;
}

.camera-container {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
}

.camera-container h3 {
  padding: var(--spacing-md);
  margin: 0;
  background-color: var(--primary-dark);
  color: white;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

#camera-preview {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: #222;
  display: block;
}

.camera-controls {
  display: flex;
  justify-content: space-around;
  padding: var(--spacing-md);
  background-color: var(--background-color);
  flex-shrink: 0;
  border-top: 1px solid var(--border-color);
}

#camera-capture, #camera-close {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

#camera-capture {
  background-color: var(--success-color);
  color: white;
}

#camera-capture:hover {
  background-color: #3d9140; /* success-color 어둡게 */
}

#camera-close {
  background-color: var(--error-color);
  color: white;
}

#camera-close:hover {
  background-color: #c41c28; /* error-color 어둡게 */
}

/* 에러 및 성공 메시지 */
.error-message {
  color: var(--error-color);
  background-color: rgba(230, 57, 70, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  border-left: 4px solid var(--error-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.success-message {
  color: var(--success-color);
  background-color: rgba(76, 175, 80, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  border-left: 4px solid var(--success-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

/* 공유 다이얼로그 */
/* (기존 공유 다이얼로그 스타일 유지) */
.feedback-share-dialog {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
   visibility: hidden;
   opacity: 0;
   transition: visibility 0.3s, opacity 0.3s;
}
.feedback-share-dialog.active {
    visibility: visible;
    opacity: 1;
}

.share-dialog-content {
  background-color: var(--card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 400px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.share-dialog-content h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.share-code {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  padding: var(--spacing-md);
  background-color: var(--background-color);
  border-radius: var(--radius-md); /* Community 기준 (8px) */
  margin: var(--spacing-md) 0 var(--spacing-lg);
  word-break: break-all;
  border: 1px dashed var(--border-color);
}

.share-dialog-content button {
  margin: var(--spacing-sm) var(--spacing-xs);
}

/* ===== 로그인 및 인증 모달 스타일 ===== */
/* (기존 인증 모달 스타일 유지) */
/* 모달 오버레이 기본 스타일 (숨김 상태) */
.auth-modal {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  background-color: rgba(0, 0, 0, 0.7) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  z-index: 10000 !important;
  padding: 20px !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transition: opacity 0.3s ease, visibility 0.3s ease !important;
  pointer-events: none !important;
}

/* 모달 활성 상태 스타일 (보임 상태) */
.auth-modal.active {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

/* 모달 내용(콘텐츠) 기본 스타일 - index.html과 동일하게 */
.auth-modal-content {
  background-color: var(--card-bg, #ffffff) !important;
  padding: var(--spacing-lg, 24px) !important;
  border-radius: var(--radius-md, 8px) !important;
  width: 90% !important;
  max-width: 450px !important;
  max-height: 90vh !important;
  overflow-y: auto !important;
  opacity: 0 !important;
  transform: scale(0.9) !important;
  transition: opacity 0.3s ease, transform 0.3s ease !important;
}

/* 모달 활성 상태일 때 내용(콘텐츠) 스타일 */
.auth-modal.active .auth-modal-content {
  opacity: 1 !important;
  transform: scale(1) !important;
}

/* 모달 헤더와 바디는 별도 스타일 없이 기본값 사용 - index.html처럼 */

.close-modal-btn {
  background: none !important;
  border: none !important;
  font-size: 1.3rem !important;
  color: var(--text-light) !important;
  cursor: pointer !important;
  padding: 0.5rem !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: color 0.2s ease !important;
}

.close-modal-btn:hover {
  color: var(--text-dark) !important;
}

/* 폼 그룹 스타일 */
.form-group {
  margin-bottom: 1rem !important;
}

.form-group label {
  display: block !important;
  margin-bottom: 0.5rem !important;
  font-weight: 500 !important;
  color: var(--text-medium) !important;
}

.form-group label.required-field::after {
  content: "*" !important;
  color: var(--error-color) !important;
  margin-left: 0.25rem !important;
}

.form-control {
  width: 100% !important;
  padding: 0.75rem 1rem !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  font-size: 1rem !important;
  transition: border-color 0.2s, box-shadow 0.2s !important;
  color: var(--text-dark) !important;
  background-color: var(--bg-light) !important;
}

.form-control:focus {
  outline: none !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2) !important;
}

/* 인증 버튼 스타일 */
.auth-buttons {
  display: flex !important;
  flex-direction: column !important;
  gap: 1rem !important;
  margin-top: 1.5rem !important;
}

.submit-btn { /* 이 스타일은 이미 위에서 정의됨, 필요 시 병합 */
  padding: 0.75rem 1rem !important;
  background-color: var(--primary-color) !important;
  color: white !important;
  border: none !important;
  border-radius: var(--radius-md) !important;
  font-size: 1rem !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: background-color 0.2s ease, transform 0.2s ease !important;
}

.submit-btn:hover {
  background-color: var(--primary-dark) !important;
  transform: translateY(-2px) !important;
}

.text-btn {
  background: none !important;
  border: none !important;
  color: var(--primary-color) !important;
  padding: 0.5rem !important;
  font-size: 0.9rem !important;
  cursor: pointer !important;
  transition: color 0.2s ease !important;
  text-align: center !important;
}

.text-btn:hover {
  color: var(--primary-dark) !important;
  /* text-decoration: underline !important; */
}


/* ===== 반응형 디자인 ===== */
@media screen and (max-width: 1024px) {
  .container {
    flex-direction: column;
    max-width: 700px;
    margin: 0 auto;
  }

  .left-column, .right-column {
    width: 100%;
  }
}

@media screen and (max-width: 992px) { /* 헤더 반응형 조정 추가 */
  .header-content {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
  }
  .header-title {
    width: 100%;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
  }
  .header-right-section {
    width: 100%;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
  }
}

@media screen and (max-width: 768px) {
  .header-content {
    /* 992px에서 이미 세로 배치 및 중앙 정렬 처리됨 */
  }
  .main-nav ul {
      /* 992px에서 이미 중앙 정렬 및 줄바꿈 처리됨 */
  }
  .user-auth-controls {
      /* 992px에서 이미 중앙 정렬 및 너비 조정됨 */
  }

  .main-section {
    padding: 0 var(--spacing-sm);
    margin: var(--spacing-lg) auto;
  }
  section { padding: var(--spacing-md); }
  .ocr-controls { flex-direction: column; gap: var(--spacing-sm); }
  .ocr-controls .ocr-btn { width: 100%; }
  .file-label { padding: var(--spacing-md); }
  .social-buttons { flex-direction: column; gap: var(--spacing-sm); }
  .social-btn { width: 100%; }
  /* quiz-header 는 quiz.css 에서 관리 */

  /* 모바일 auth-modal 스타일 */
  .auth-modal {
    padding: 10px !important;
  }

  .auth-modal-content {
    width: 100% !important;
    max-width: none !important;
    max-height: calc(100vh - 40px) !important;
    height: auto !important;
    margin: auto !important;
  }

  .modal-body {
    max-height: calc(100vh - 140px) !important;
    padding: var(--spacing-md) !important;
  }

  .modal-header {
    padding: var(--spacing-md) !important;
  }

  /* 폼 필드 크기 조정 */
  .form-control {
    font-size: 16px !important; /* iOS 줌 방지 */
  }
}

@media screen and (max-width: 480px) {
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1.1rem; }
  .header-title { font-size: 1.2rem; } /* 헤더 제목 크기 모바일 조정 */
  .logo-icon { height: 36px; } /* 로고 크기 모바일 조정 */
  .main-nav a { padding: var(--spacing-xs) var(--spacing-sm); font-size: 0.85rem; } /* 네비 링크 더 작게 */
  textarea { height: 120px; }
  .check-btn, .ocr-btn, .camera-btn, .primary-btn, .secondary-btn,
  .listen-again-btn, .submit-btn, .next-tip-btn, .social-btn {
      padding: var(--spacing-sm) var(--spacing-md); /* 버튼 패딩 약간 줄임 */
      font-size: 1rem; /* iOS zoom fix */ /* 버튼 폰트 약간 줄임 */
  }
  .auth-btn {
      padding: 0.4rem 0.8rem !important; /* 로그인 버튼 패딩 더 줄임 */
      font-size: 0.85rem !important;
  }
  .user-profile-btn {
      padding: 0.2rem 0.6rem;
  }
   .user-profile-btn .profile-pic {
      width: 28px;
      height: 28px;
  }
  .user-profile-btn #userDisplayName {
      font-size: 0.85rem;
  }
}

/* ##################################### */
/* ########### 다크 모드 시작 ########## */
/* ##################################### */

/* 다크모드 변수 정의는 상단 body.dark-mode 에서 통합 관리 */

/* 기본 요소 다크모드 */
body.dark-mode {
  background-color: var(--background-color);
  color: var(--text-dark);
}
body.dark-mode a { color: var(--primary-light); }
body.dark-mode a:hover { color: var(--secondary-color); }
body.dark-mode h2 { color: var(--primary-light); }
body.dark-mode h3 { color: var(--text-medium); }
body.dark-mode hr { border-top-color: var(--border-color); }

/* 헤더 & 푸터 */
body.dark-mode .header {
  background-color: #1a1a1a; /* 헤더는 별도 색상 유지 가능 */
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid #333;
}
body.dark-mode .header h1 { color: var(--primary-light); } /* 제목 색상 */
body.dark-mode .header-title a { color: var(--primary-light); } /* 제목 링크 색상 */
body.dark-mode .main-nav a { color: var(--text-medium); }
body.dark-mode .main-nav a.active,
body.dark-mode .main-nav a:hover {
  background-color: var(--primary-light-transparent);
  color: #ffffff;
}

/* 다크 모드 맞춤법 검사 탭 스타일 */
body.dark-mode .main-nav a.spell-check-tab {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
}

body.dark-mode .main-nav a.spell-check-tab:hover,
body.dark-mode .main-nav a.spell-check-tab.active {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: white;
}

/* 다크 모드에서도 맞춤법 검사 탭만 특별 스타일 적용 */
body.dark-mode .footer {
  background-color: #1a1a1a;
  border-top-color: #333;
}
body.dark-mode .footer p { color: var(--text-light); }
body.dark-mode .theme-toggle {
  background-color: #333;
  color: #e0e0e0;
  border-color: #555;
}
body.dark-mode .theme-toggle:hover {
  background-color: var(--primary-light);
  color: #121212;
  border-color: var(--primary-light);
}

/* --- 다크모드 인증 버튼 스타일 --- */
body.dark-mode .auth-btn {
  background-color: var(--primary-color) !important;
  color: white !important;
  border: none !important;
}

body.dark-mode .auth-btn:hover {
  background-color: var(--primary-light) !important;
  color: #121212 !important; /* 다크모드에서 호버시 어두운 텍스트 색상 */
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15) !important;
  transform: translateY(-1px) !important;
}

body.dark-mode .user-profile-btn {
  border-color: var(--border-color);
  color: var(--text-dark);
  background-color: transparent;
}

body.dark-mode .user-profile-btn:hover {
  background-color: var(--bg-hover); /* 다크모드 bg-hover */
}

body.dark-mode .user-profile-btn .profile-pic {
  border-color: var(--border-color-light);
  background-color: var(--bg-light);
}

body.dark-mode .user-profile-btn #userDisplayName {
  color: var(--text-dark);
}

body.dark-mode .dropdown-menu {
  background-color: var(--card-bg);
  box-shadow: var(--shadow-md);
}

body.dark-mode .dropdown-menu a {
  color: var(--text-dark);
}

body.dark-mode .dropdown-menu a:hover {
  background-color: var(--bg-hover);
  color: var(--primary-light); /* primary-color 대신 light */
}

body.dark-mode .dropdown-menu a:not(:last-child) {
  border-bottom-color: var(--border-color-light);
}
/* --- 다크모드 인증 버튼 스타일 끝 --- */

/* 섹션, 카드, 컨테이너 배경 */
body.dark-mode section,
body.dark-mode .tip-container,
body.dark-mode .examples-box,
body.dark-mode .submission-item,
/* body.dark-mode .quiz-container, /* quiz.css 에서 관리 */
body.dark-mode .feedback-text-display,
body.dark-mode .received-feedbacks,
/* body.dark-mode .dictation-setup, */ /* dictation.css 에서 관리 */
/* body.dark-mode .dictation-listening-panel, */
/* body.dark-mode .dictation-input-panel, */
/* body.dark-mode .dictation-result, */
/* body.dark-mode .dictation-summary, */
body.dark-mode .camera-container,
body.dark-mode .share-dialog-content,
body.dark-mode .tab-panel,
body.dark-mode .loader-container
{
  background-color: var(--card-bg);
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}
body.dark-mode section { border: none; } /* 섹션 기본 테두리 제거 */
/* body.dark-mode .quiz-container { box-shadow: var(--shadow-md); } */


/* 특정 배경색 요소 조정 */
body.dark-mode .output-box { background-color: #2a2a2a; border-color: #555; color: var(--text-dark); }
body.dark-mode .output-box.has-results { background-color: var(--card-bg); }
body.dark-mode .ocr-note { background-color: rgba(251, 191, 36, 0.15); border-left-color: var(--warning-color); color: #FDE68A;}
body.dark-mode .original-text { background-color: rgba(248, 113, 113, 0.15); border-left-color: var(--error-color); color: var(--text-dark); }
body.dark-mode .corrected-text { background-color: rgba(99, 102, 241, 0.15); border-left-color: var(--primary-color); color: var(--text-dark); }
body.dark-mode .reason-box { background-color: #2a2a2a; border-left-color: var(--warning-color); color: var(--text-medium); }
body.dark-mode .tip-content { background-color: var(--card-bg); color: var(--text-dark); }
body.dark-mode .tip-content p { color: var(--text-medium); }
body.dark-mode .tip-content strong { color: var(--warning-color); }
body.dark-mode .examples-content { background-color: var(--card-bg); }
body.dark-mode .correct-form { background-color: #2a2a2a; border-left-color: var(--success-color); color: var(--text-dark); }
body.dark-mode .explanation { background-color: #2a2a2a; border-left-color: var(--warning-color); color: var(--text-medium); }
body.dark-mode .examples-list { background-color: #2a2a2a; }
body.dark-mode .example-item { background-color: #333; border-left-color: var(--success-color); color: var(--text-dark); }
body.dark-mode .feedback-tabs { background-color: #2a2a2a; border-color: var(--border-color); }
body.dark-mode .tab-btn { color: var(--text-medium); }
body.dark-mode .tab-btn:hover { background-color: rgba(255, 255, 255, 0.05); color: var(--primary-light); }
body.dark-mode .tab-btn.active { background-color: var(--primary-color); color: white; box-shadow: none; } /* active 스타일 조정 */
body.dark-mode .feedback-item { background-color: #2a2a2a; border-color: var(--border-color); border-left-color: var(--accent-color); }
body.dark-mode .feedback-content { color: var(--text-dark); }
body.dark-mode .submission-text { background-color: rgba(99, 102, 241, 0.15); border-left-color: var(--primary-color); color: var(--text-dark); }
/* body.dark-mode .progress-bar { background-color: #444; } /* 필요 시 주석 해제 */
/* quiz 옵션 등은 quiz.css 에서 관리 */
body.dark-mode .camera-controls { background-color: #2a2a2a; border-top-color: var(--border-color); }
body.dark-mode .share-code { background-color: #2a2a2a; color: var(--primary-light); border-color: var(--border-color); }

/* 입력 필드 (Textarea, Input) */
body.dark-mode textarea,
body.dark-mode input[type="text"],
body.dark-mode .code-input
/* body.dark-mode .dictation-textarea /* dictation.css */
{
  background-color: #2a2a2a;
  color: var(--text-dark);
  border: 1px solid #555;
}
body.dark-mode textarea:focus,
body.dark-mode input[type="text"]:focus,
body.dark-mode .code-input:focus
/* body.dark-mode .dictation-textarea:focus */
{
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(165, 180, 252, 0.3);
}
body.dark-mode textarea::placeholder
/* body.dark-mode .dictation-textarea::placeholder */
{
  color: var(--text-light);
}

/* 파일 입력 & 음성 버튼 */
body.dark-mode .file-label,
body.dark-mode .voice-btn {
  background-color: #2a2a2a;
  color: var(--text-medium);
  border-color: #555;
}
body.dark-mode .file-input:hover + .file-label,
body.dark-mode .voice-btn:hover {
  background-color: #333;
  border-color: #777;
}
body.dark-mode .voice-btn.listening {
  background-color: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

/* 버튼 공통 (다크모드) - 색상 위주 (auth-btn, user-profile-btn 제외) */
body.dark-mode .check-btn,
body.dark-mode .ocr-btn,
body.dark-mode .camera-btn,
body.dark-mode .next-tip-btn,
body.dark-mode .primary-btn,
body.dark-mode .secondary-btn,
body.dark-mode .listen-again-btn,
body.dark-mode .submit-btn,
/* body.dark-mode .quiz-option, /* quiz.css 에서 관리 */
body.dark-mode .social-btn,
/* body.dark-mode .tab-btn, /* 위에서 별도 처리 */
body.dark-mode #camera-capture,
body.dark-mode #camera-close
{
  border: 1px solid #555;
}
body.dark-mode .check-btn:hover:not(:disabled),
body.dark-mode .ocr-btn:hover,
body.dark-mode .camera-btn:hover,
body.dark-mode .next-tip-btn:hover,
body.dark-mode .primary-btn:hover:not(:disabled),
body.dark-mode .secondary-btn:hover,
body.dark-mode .listen-again-btn:hover,
body.dark-mode .submit-btn:hover,
body.dark-mode .social-btn:hover,
body.dark-mode #camera-capture:hover,
body.dark-mode #camera-close:hover
{
  opacity: 0.9;
  transform: translateY(-1px);
}
/* 비활성 버튼 */
body.dark-mode .check-btn[disabled],
body.dark-mode .primary-btn[disabled],
body.dark-mode .submit-btn[disabled],
body.dark-mode .start-btn[disabled] {
    background-color: #444;
    border-color: #555;
    color: #888;
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}


/* 개별 버튼 색상 오버라이드 (다크모드) */
body.dark-mode .check-btn, body.dark-mode .primary-btn, body.dark-mode .submit-btn, body.dark-mode .start-btn
/* body.dark-mode .dictation-actions .primary-btn, body.dark-mode .summary-actions button /* dictation.css */
{ background-color: var(--primary-color); color: white; border-color: var(--primary-color); }
body.dark-mode .check-btn:hover:not(:disabled), body.dark-mode .primary-btn:hover:not(:disabled), body.dark-mode .submit-btn:hover, body.dark-mode .start-btn:hover:not(:disabled)
/* body.dark-mode .dictation-actions .primary-btn:hover, body.dark-mode .summary-actions button:hover */
{ background-color: var(--primary-light); border-color: var(--primary-light); color: #121212; }

body.dark-mode .ocr-btn, body.dark-mode .camera-btn, body.dark-mode .secondary-btn, body.dark-mode .listen-again-btn
/* body.dark-mode .dictation-actions .secondary-btn */
{ background-color: var(--secondary-color); color: #121212; border-color: var(--secondary-color); }
body.dark-mode .ocr-btn:hover, body.dark-mode .camera-btn:hover, body.dark-mode .secondary-btn:hover, body.dark-mode .listen-again-btn:hover
/* body.dark-mode .dictation-actions .secondary-btn:hover */
{ background-color: #67E8F9; border-color: #67E8F9; }

body.dark-mode .next-tip-btn { background-color: var(--warning-color); color: #121212; border-color: var(--warning-color); }
body.dark-mode .next-tip-btn:hover { background-color: #FCD34D; border-color: #FCD34D; }

body.dark-mode #camera-capture { background-color: var(--success-color); color: #121212; border-color: var(--success-color); }
body.dark-mode #camera-capture:hover { background-color: #6EE7B7; border-color: #6EE7B7; }
body.dark-mode #camera-close { background-color: var(--error-color); color: white; border-color: var(--error-color); }
body.dark-mode #camera-close:hover { background-color: #FDA4AF; border-color: #FDA4AF; }

body.dark-mode .social-btn { background-color: #444; color: white; border-color: #555; }
body.dark-mode .social-btn:hover { background-color: #555; }
body.dark-mode .kakao-btn { background-color: #FEE500; color: #3C1E1E; border: none; }
body.dark-mode .kakao-btn:hover { background-color: #FDD835; }
body.dark-mode .facebook-btn { background-color: #4267B2; color: white; border: none; }
body.dark-mode .facebook-btn:hover { background-color: #365899; }
body.dark-mode .copy-btn { background-color: #6c757d; color: white; border: none; }
body.dark-mode .copy-btn:hover { background-color: #5a6268; }

/* 받아쓰기 선택 버튼 다크모드 유지 (dictation.css에서 관리하는 것이 좋음) */
/* body.dark-mode .grade-buttons-container, */
/* body.dark-mode .repeat-buttons-container { */
/* background-color: #2a2a2a; */
/* border-radius: var(--radius-md); */
/* padding: 16px; */
/* border: 1px solid var(--border-color); */
/* } */
/* body.dark-mode .grade-btn-content, */
/* body.dark-mode .repeat-btn-content { */
/* background-color: #333; */
/* color: #ccc; */
/* border-color: #555; */
/* } */
/* body.dark-mode .grade-btn-box:hover .grade-btn-content, */
/* body.dark-mode .repeat-btn-box:hover .repeat-btn-content { */
/* background-color: #444; */
/* border-color: #888; */
/* color: #fff; */
/* } */
/* body.dark-mode .grade-radio:checked + .grade-btn-content, */
/* body.dark-mode .repeat-radio:checked + .repeat-btn-content { */
/* background-color: var(--primary-color); */
/* border-color: var(--primary-color); */
/* color: #fff; */
/* } */

/* 로딩 화면 */
body.dark-mode .loading,
body.dark-mode .page-loading {
  background: var(--bg-dark);
}
body.dark-mode .loader-container {
  background-color: #222;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.1);
}
body.dark-mode .loading-text,
body.dark-mode .loading-title {
  color: #ddd;
}
body.dark-mode .loader {
  border-color: #555;
  border-top-color: var(--primary-light);
}
body.dark-mode .loading-sejong-icon {
  border-color: var(--primary-light);
  background: var(--card-bg);
  box-shadow: 0 4px 15px rgba(165, 180, 252, 0.2);
}

/* 오류 및 성공 메시지 */
body.dark-mode .error-message {
  background-color: rgba(248, 113, 113, 0.15);
  border-left-color: var(--error-color);
  color: #FCA5A5;
}
body.dark-mode .success-message {
  background-color: rgba(52, 211, 153, 0.15);
  border-left-color: var(--success-color);
  color: #6EE7B7;
}

/* 토스트 메시지 다크모드 */
body.dark-mode .toast-message, body.dark-mode .toast {
    background-color: rgba(55, 65, 81, 0.95);
    color: #f9fafb;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

body.dark-mode .toast-message.success, body.dark-mode .toast.success {
    background-color: rgba(16, 185, 129, 0.9);
}

body.dark-mode .toast-message.error, body.dark-mode .toast.error {
    background-color: rgba(239, 68, 68, 0.9);
}

body.dark-mode .toast-message.warning, body.dark-mode .toast.warning {
    background-color: rgba(245, 158, 11, 0.9);
}

body.dark-mode .toast-message.info, body.dark-mode .toast.info {
    background-color: rgba(59, 130, 246, 0.9);
}

/* 로그인 모달 다크모드 스타일 */
body.dark-mode .auth-modal {
    background-color: rgba(0, 0, 0, 0.8) !important;
}

body.dark-mode .auth-modal-content {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
}

body.dark-mode .modal-header {
    border-bottom-color: var(--border-color) !important;
}

body.dark-mode .modal-header h3 {
    color: var(--text-dark) !important;
}

body.dark-mode .modal-header h3 i {
    color: var(--primary-light) !important;
}

body.dark-mode .close-modal-btn {
    color: var(--text-light) !important;
}

body.dark-mode .close-modal-btn:hover {
    color: var(--text-dark) !important;
}

body.dark-mode .form-group label {
    color: var(--text-medium) !important;
}

body.dark-mode .form-control {
    background-color: #2a2a2a !important;
    color: var(--text-dark) !important;
    border-color: #555 !important;
}

body.dark-mode .form-control:focus {
    border-color: var(--primary-light) !important;
    box-shadow: 0 0 0 3px rgba(165, 180, 252, 0.3) !important;
}

body.dark-mode .error-message { /* 인증 모달 내 에러 메시지 다크모드 */
    background-color: rgba(248, 113, 113, 0.15) !important; /* !important 추가 */
    color: #FCA5A5 !important; /* !important 추가 */
}