/* Universe - 컴포넌트 스타일 */

/* 버튼 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-md);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 44px; /* 터치 친화적 */
  white-space: nowrap;
}

/* 작은 화면에서 버튼 크기 조정 */
@media (max-width: 480px) {
  .btn {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-sm);
    min-height: 36px;
  }
}

@media (max-width: 360px) {
  .btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-xs);
    min-height: 32px;
  }
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
  background: var(--glass-bg);
  border-color: var(--text-accent);
  color: var(--text-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-ghost:hover {
  background: var(--glass-bg);
  color: var(--text-primary);
}

.btn-login-required {
  background: rgba(255, 193, 7, 0.1);
  color: #ffc107;
  border: 1px solid rgba(255, 193, 7, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-login-required::before {
  content: '🔒';
  margin-right: var(--space-xs);
}

.btn-login-required:hover {
  background: rgba(255, 193, 7, 0.2);
  border-color: #ffc107;
  color: #ffc107;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
}

.btn-coming-soon {
  background: rgba(156, 163, 175, 0.1);
  color: #9ca3af;
  border: 1px solid rgba(156, 163, 175, 0.3);
  cursor: not-allowed;
  position: relative;
}

.btn-coming-soon::before {
  content: '🚀';
  margin-right: var(--space-xs);
}

.btn-coming-soon:hover {
  background: rgba(156, 163, 175, 0.2);
  border-color: #9ca3af;
  color: #9ca3af;
  transform: none;
  box-shadow: none;
}

/* 카드 */
.card {
  background: var(--card-gradient);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(255,255,255,0.2);
}

.card-header {
  margin-bottom: var(--space-lg);
}

.card-title {
  font-size: var(--font-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.card-description {
  color: var(--text-muted);
  font-size: var(--font-sm);
}

/* 입력 필드 */
.input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--glass-bg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-md);
  transition: var(--transition-fast);
}

.input::placeholder {
  color: var(--text-muted);
}

.input:focus {
  outline: none;
  border-color: var(--text-accent);
  box-shadow: 0 0 0 2px rgba(100, 255, 218, 0.2);
}

/* 검색 바 */
.search-container {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
}

.search-input {
  padding-left: 3rem;
  padding-right: var(--space-md);
}

.search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* 그리드 */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  /* 버튼 모바일 최적화 */
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-sm);
    min-height: 44px; /* 터치 영역 최소 크기 */
  }

  .btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-md);
  }

  /* 카드 모바일 최적화 */
  .card {
    padding: var(--space-lg);
  }

  .card-title {
    font-size: var(--font-lg);
  }

  .card-description {
    font-size: var(--font-xs);
  }

  /* 입력 필드 모바일 최적화 */
  .input {
    padding: var(--space-sm) var(--space-md);
    font-size: 16px; /* iOS 줌 방지 */
    min-height: 44px;
  }
}

/* 네비게이션 */
.nav {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: var(--space-xl);
  position: relative;
}

.nav-wrapper {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  width: 100%;
  position: relative;
}

.nav-left {
  justify-self: start;
  display: flex;
  align-items: center;
}

.nav-center {
  justify-self: center;
  display: flex;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.nav-right {
  justify-self: end;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
  width: 100%;
  position: relative;
  z-index: 100;
}

.nav-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.nav-logo:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

.nav-title {
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--text-primary);
  background: linear-gradient(135deg, #fff 0%, #64ffda 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

/* 모바일 네비게이션 */
@media (max-width: 768px) {
  .nav-wrapper {
    grid-template-columns: auto 1fr auto;
    gap: var(--space-sm);
  }
  
  .nav-center {
    position: static;
    transform: none;
    justify-self: center;
  }
  
  .nav-logo {
    width: 40px;
    height: 40px;
  }
  
  .nav-title {
    font-size: var(--font-xl);
  }
  
  .nav-right {
    gap: var(--space-sm);
    justify-content: flex-end;
  }
}

/* 로딩 애니메이션 */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top: 2px solid var(--text-accent);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

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

/* 뱃지 */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  background: var(--accent-gradient);
  color: var(--text-primary);
  font-size: var(--font-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.badge:last-child {
  margin-right: 0;
}

/* 태그 컨테이너 */
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

/* 로그인이 필요한 상태 표시 */
.login-required {
  position: relative;
  opacity: 0.6;
  pointer-events: none;
}

.login-required::after {
  content: '로그인 필요';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--primary-gradient);
  color: var(--text-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-xs);
  font-weight: 500;
  z-index: 10;
}

/* 사용자 프로필 */
.user-profile {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--glass-bg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: var(--transition-normal);
  position: relative;
  cursor: pointer;
}

.user-profile:hover {
  border-color: var(--text-accent);
  box-shadow: 0 0 20px rgba(100, 255, 218, 0.2);
}

.dropdown-arrow {
  font-size: 10px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
}

.user-profile.active .dropdown-arrow {
  transform: rotate(180deg);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.user-profile.active .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(5px);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  color: var(--text-primary);
  transition: var(--transition-normal);
  cursor: pointer;
}

.dropdown-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-accent);
}

.dropdown-item:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.dropdown-item:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.dropdown-icon {
  font-size: var(--font-sm);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid var(--text-accent);
  flex-shrink: 0;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-details {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.user-name {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-provider {
  font-size: var(--font-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .user-details {
    display: none;
  }
  
  .user-profile {
    padding: var(--space-xs);
  }
}

/* ==================== 전역 모달 & 다이얼로그 시스템 ==================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  perspective: 1000px;
}

/* 모달 활성화 시 배경 블러 */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 10, 20, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease-out;
}

.modal-content {
  position: relative;
  background: var(--card-bg);
  background-image: radial-gradient(circle at top left, rgba(100, 255, 218, 0.05), transparent);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 20px rgba(100, 255, 218, 0.1);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  
  /* 사이즈 비율 설정 */
  width: auto;
  min-width: 320px; /* 최소 가로폭 */
  max-width: 90vw;
  min-height: 200px; /* 최소 세로폭 */
  max-height: 85vh;
  
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalScaleUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

@keyframes modalScaleUp {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.modal-title {
  margin: 0;
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.modal-close {
  background: rgba(255, 255, 255, 0.05);
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: rgba(248, 113, 113, 0.2);
  color: #f87171;
  transform: rotate(90deg);
}

.modal-body {
  padding: var(--space-xl);
  overflow-y: auto;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: rgba(100, 255, 218, 0.2) transparent;
}

.modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-body::-webkit-scrollbar-thumb {
  background: rgba(100, 255, 218, 0.2);
  border-radius: 10px;
}

.modal-footer {
  padding: var(--space-lg) var(--space-xl);
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  flex-shrink: 0;
}

/* 모달 표준 사이즈 클래스 (콘텐츠에 맞게 자동 조절되지만 가이드 제공) */
.modal-small { width: 400px; }
.modal-medium { width: 600px; }
.modal-large { width: 900px; }

@media (max-width: 768px) {
  .modal { padding: var(--space-md); }
  .modal-content { 
    width: 100% !important; 
    max-height: 90vh;
    min-width: 0;
  }
  .modal-header, .modal-body, .modal-footer {
    padding: var(--space-lg);
  }
}

/* ==================== 다이얼로그 전용 (alert, confirm) ==================== */

.dialog-box {
  /* modal-content의 기본 속성 상속 */
  max-width: 450px;
  text-align: center;
}

.dialog-icon {
  font-size: 48px;
  margin-bottom: var(--space-lg);
  display: block;
}

.dialog-message {
  font-size: var(--font-md);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

/* 기존 스타일 유지 및 보강 */

/* 친구 다이얼로그 전용 스타일 */
.friend-dialog-content {
  width: 600px;
}

.friend-search-section,
.friend-list-section,
.friend-code-section {
  margin-bottom: var(--space-xl);
}

.friend-search-section:last-child,
.friend-list-section:last-child,
.friend-code-section:last-child {
  margin-bottom: 0;
}

.search-container {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.search-container .input {
  flex: 1;
}

.friend-item {
  display: flex;
  align-items: center;
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  transition: var(--transition-normal);
}

.friend-item:hover {
  border-color: var(--text-accent);
  box-shadow: 0 4px 20px rgba(100, 255, 218, 0.1);
}

.friend-item:last-child {
  margin-bottom: 0;
}

.friend-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid var(--text-accent);
  flex-shrink: 0;
  margin-right: var(--space-md);
}

.friend-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.friend-info {
  flex: 1;
  min-width: 0;
}

.friend-name {
  font-size: var(--font-md);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.friend-provider {
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.friend-actions {
  display: flex;
  gap: var(--space-sm);
  margin-left: var(--space-md);
}

.friend-code-result {
  background: var(--glass-bg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
}

.friend-code-display {
  font-family: 'Courier New', monospace;
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--text-accent);
  background: rgba(100, 255, 218, 0.1);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  margin: var(--space-md) 0;
  word-break: break-all;
}

.qr-code {
  margin: var(--space-md) 0;
}

.qr-code canvas {
  border-radius: var(--radius-sm);
}

.code-expiry {
  font-size: var(--font-sm);
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
}

.loading-state {
  text-align: center;
  padding: var(--space-lg);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top: 3px solid var(--text-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

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

@media (max-width: 768px) {
  .modal-content {
    width: calc(100% - var(--space-md) * 2);
    margin: var(--space-md);
    max-height: calc(100vh - var(--space-md) * 2);
  }

  .modal-header {
    padding: var(--space-lg);
  }

  .modal-title {
    font-size: var(--font-lg);
  }

  .modal-body {
    max-height: calc(100vh - 200px);
    padding: var(--space-md);
  }

  .friend-dialog-content {
    width: 100%;
    margin: 0;
  }

  .friend-search-section,
  .friend-list-section,
  .friend-code-section {
    margin-bottom: var(--space-lg);
  }

  .search-container {
    flex-direction: column;
  }

  .search-container .input {
    width: 100%;
  }

  .friend-item {
    padding: var(--space-sm);
  }

  .friend-name {
    font-size: var(--font-sm);
  }

  .friend-provider {
    font-size: var(--font-xs);
  }

  .friend-avatar {
    width: 36px;
    height: 36px;
    margin-right: var(--space-sm);
  }

  .friend-actions {
    margin-left: var(--space-sm);
  }

  .friend-actions .btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-xs);
  }
}

/* 추가 모달 스타일 */
.modal-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  margin-top: var(--space-xl);
}

.modal-footer {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  padding: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--glass-bg);
}

.btn-cancel {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-cancel:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-delete {
  background: linear-gradient(135deg, #f87171 0%, #dc2626 100%);
  color: white;
  border: none;
}

.btn-delete:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(248, 113, 113, 0.4);
}

.btn-large {
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--font-lg);
  font-weight: 600;
}

/* 모달 크기 변형 */
.modal-content.modal-small {
  max-width: 400px;
}

.modal-content.modal-medium {
  max-width: 600px;
}

.modal-content.modal-large {
  max-width: 900px;
}

.modal-content.modal-fullscreen {
  max-width: 100vw;
  max-height: 100vh;
  width: 100%;
  height: 100%;
  border-radius: 0;
}

/* 이미지 프리뷰 모달 */
.image-preview-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: var(--space-xl);
}

.image-preview-modal.active {
  display: flex;
}

.image-preview-modal img {
  max-width: 90%;
  max-height: 90vh;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.image-preview-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  font-size: var(--font-3xl);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.image-preview-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

@media (max-width: 768px) {
  .modal-actions {
    flex-direction: column;
  }

  .modal-actions .btn {
    width: 100%;
  }

  .modal-footer {
    padding: var(--space-md);
    flex-direction: column;
  }

  .modal-footer .btn {
    width: 100%;
  }

  .modal-content.modal-small,
  .modal-content.modal-medium,
  .modal-content.modal-large {
    max-width: 100%;
    width: 100%;
    margin: var(--space-sm);
  }

  .btn-large {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-md);
  }
}

/* ==================== 알림(Notification) 시스템 ==================== */

/* 알림 컨테이너 - 우측 상단 고정 */
.notification-container {
  position: fixed;
  top: var(--space-xl);
  right: var(--space-xl);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  pointer-events: none;
  max-width: 400px;
}

/* 알림 아이템 */
.notification {
  pointer-events: auto;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 320px;
  animation: slideInRight 0.3s ease-out;
  position: relative;
  overflow: hidden;
}

.notification::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--text-accent);
}

.notification.success::before {
  background: #34d399;
}

.notification.error::before {
  background: #f87171;
}

.notification.warning::before {
  background: #fbbf24;
}

.notification.info::before {
  background: #60a5fa;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.notification.removing {
  animation: slideOutRight 0.3s ease-out forwards;
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100px);
  }
}

/* 알림 아이콘 */
.notification-icon {
  font-size: var(--font-2xl);
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
}

.notification.success .notification-icon {
  background: rgba(52, 211, 153, 0.2);
  color: #34d399;
}

.notification.error .notification-icon {
  background: rgba(248, 113, 113, 0.2);
  color: #f87171;
}

.notification.warning .notification-icon {
  background: rgba(251, 191, 36, 0.2);
  color: #fbbf24;
}

.notification.info .notification-icon {
  background: rgba(96, 165, 250, 0.2);
  color: #60a5fa;
}

/* 알림 콘텐츠 */
.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-title {
  font-size: var(--font-md);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.notification-message {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  word-wrap: break-word;
}

/* 알림 닫기 버튼 */
.notification-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: var(--font-lg);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.notification-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* 진행 바 (자동 닫힘 표시) */
.notification-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--text-accent);
  animation: progressShrink linear;
}

.notification.success .notification-progress {
  background: #34d399;
}

.notification.error .notification-progress {
  background: #f87171;
}

.notification.warning .notification-progress {
  background: #fbbf24;
}

.notification.info .notification-progress {
  background: #60a5fa;
}

@keyframes progressShrink {
  from {
    width: 100%;
  }
  to {
    width: 0%;
  }
}

/* 모바일 대응 */
@media (max-width: 768px) {
  .notification-container {
    top: var(--space-sm);
    right: var(--space-sm);
    left: var(--space-sm);
    max-width: none;
    gap: var(--space-sm);
  }

  .notification {
    min-width: 0;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
  }

  .notification-icon {
    font-size: var(--font-xl);
    width: 28px;
    height: 28px;
  }

  .notification-title {
    font-size: var(--font-sm);
    margin-bottom: 2px;
  }

  .notification-message {
    font-size: var(--font-xs);
  }

  .notification-close {
    width: 20px;
    height: 20px;
    font-size: var(--font-md);
  }

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

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

/* ==================== 다이얼로그 개선 (confirm, alert 등) ==================== */

/* 다이얼로그 전용 오버레이 */
.dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10004;
  padding: var(--space-lg);
  animation: fadeIn 0.2s ease-out;
}

.dialog-overlay.active {
  display: flex;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 다이얼로그 박스 */
.dialog-box {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  max-width: 500px;
  width: 100%;
  animation: dialogShow 0.3s ease-out;
  position: relative;
  overflow: hidden;
}

@keyframes dialogShow {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.dialog-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

/* 다이얼로그 헤더 */
.dialog-header {
  padding: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.dialog-icon {
  font-size: var(--font-3xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.dialog-box.confirm .dialog-icon {
  background: rgba(96, 165, 250, 0.2);
  color: #60a5fa;
}

.dialog-box.alert .dialog-icon {
  background: rgba(251, 191, 36, 0.2);
  color: #fbbf24;
}

.dialog-box.error .dialog-icon {
  background: rgba(248, 113, 113, 0.2);
  color: #f87171;
}

.dialog-box.success .dialog-icon {
  background: rgba(52, 211, 153, 0.2);
  color: #34d399;
}

.dialog-title {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}

/* 다이얼로그 본문 */
.dialog-body {
  padding: var(--space-xl);
}

.dialog-message {
  font-size: var(--font-md);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 다이얼로그 액션 */
.dialog-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
}

.dialog-actions .btn {
  min-width: 100px;
}

@media (max-width: 768px) {
  .dialog-overlay {
    padding: var(--space-md);
  }

  .dialog-box {
    max-width: 100%;
    margin: 0;
  }

  .dialog-header {
    padding: var(--space-lg);
    gap: var(--space-sm);
  }

  .dialog-icon {
    font-size: var(--font-2xl);
    width: 40px;
    height: 40px;
  }

  .dialog-title {
    font-size: var(--font-lg);
  }

  .dialog-body {
    padding: var(--space-lg);
  }

  .dialog-message {
    font-size: var(--font-sm);
  }

  .dialog-actions {
    flex-direction: column;
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-sm);
  }

  .dialog-actions .btn {
    width: 100%;
    min-width: 0;
  }

  /* 입력 필드가 있는 경우 (prompt) */
  .dialog-input {
    font-size: 16px; /* iOS 줌 방지 */
  }
}