/* Toss 디자인 시스템 통합 CSS */
/* CarplayAuto 프로젝트용 Toss 스타일 */

:root {
  /* Toss 핵심 컬러 시스템 */
  --toss-blue: #3182f6;
  --toss-blue-light: #e8f4fd;
  --toss-blue-dark: #1b64da;
  --toss-purple: #8b5cf6;
  --toss-green: #20c997;
  --toss-red: #f04452;
  --toss-yellow: #ffb800;
  
  /* Toss 그레이 스케일 */
  --toss-gray-50: #f8f9fa;
  --toss-gray-100: #f1f3f4;
  --toss-gray-200: #e9ecef;
  --toss-gray-300: #dee2e6;
  --toss-gray-400: #ced4da;
  --toss-gray-500: #adb5bd;
  --toss-gray-600: #6c757d;
  --toss-gray-700: #495057;
  --toss-gray-800: #343a40;
  --toss-gray-900: #212529;
  
  /* Toss 그라디언트 */
  --toss-gradient-blue: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --toss-gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #667eea 100%);
  --toss-gradient-green: linear-gradient(135deg, #20c997 0%, #0d6efd 100%);
  
  /* Toss 그림자 */
  --toss-shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --toss-shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --toss-shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
  --toss-shadow-xl: 0 12px 32px rgba(0,0,0,0.18);
  
  /* Toss 둥근 모서리 */
  --toss-radius-sm: 8px;
  --toss-radius-md: 12px;
  --toss-radius-lg: 16px;
  --toss-radius-xl: 24px;
  --toss-radius-full: 9999px;
  
  /* Toss 애니메이션 */
  --toss-transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --toss-transition-fast: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --toss-transition-slow: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Toss 타이포그래피 */
.toss-heading {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--toss-gray-900);
  line-height: 1.3;
}

.toss-body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--toss-gray-700);
  line-height: 1.6;
}

.toss-caption {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: -0.01em;
  color: var(--toss-gray-600);
  line-height: 1.4;
}

/* Toss 버튼 스타일 */
.btn-toss {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  border-radius: var(--toss-radius-md);
  border: none;
  padding: 12px 24px;
  transition: var(--toss-transition);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.btn-toss::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 0.6s;
}

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

.btn-toss-primary {
  background: var(--toss-blue);
  color: white;
  box-shadow: var(--toss-shadow-sm);
}

.btn-toss-primary:hover {
  background: var(--toss-blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--toss-shadow-md);
  color: white;
}

.btn-toss-secondary {
  background: var(--toss-gray-100);
  color: var(--toss-gray-700);
  box-shadow: var(--toss-shadow-sm);
}

.btn-toss-secondary:hover {
  background: var(--toss-gray-200);
  transform: translateY(-2px);
  box-shadow: var(--toss-shadow-md);
  color: var(--toss-gray-800);
}

.btn-toss-outline {
  background: transparent;
  color: var(--toss-blue);
  border: 1px solid var(--toss-blue);
}

.btn-toss-outline:hover {
  background: var(--toss-blue);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--toss-shadow-md);
}

/* Toss 카드 스타일 */
.card-toss {
  background: white;
  border-radius: var(--toss-radius-lg);
  border: none;
  box-shadow: var(--toss-shadow-sm);
  transition: var(--toss-transition);
  overflow: hidden;
  position: relative;
}

.card-toss:hover {
  transform: translateY(-4px);
  box-shadow: var(--toss-shadow-lg);
}

.card-toss-bordered {
  border: 1px solid var(--toss-gray-200);
  box-shadow: none;
}

.card-toss-bordered:hover {
  border-color: var(--toss-blue);
  box-shadow: var(--toss-shadow-md);
}

/* Toss 입력 필드 */
.input-toss {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  border: 1px solid var(--toss-gray-300);
  border-radius: var(--toss-radius-md);
  padding: 12px 16px;
  transition: var(--toss-transition);
  background: white;
  color: var(--toss-gray-900);
  width: 100%;
}

.input-toss:focus {
  outline: none;
  border-color: var(--toss-blue);
  box-shadow: 0 0 0 3px rgba(49, 130, 246, 0.1);
}

.input-toss::placeholder {
  color: var(--toss-gray-500);
}

/* Toss 네비게이션 */
.navbar-toss {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--toss-gray-200);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-toss .nav-link-toss {
  color: var(--toss-gray-700);
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--toss-radius-sm);
  transition: var(--toss-transition);
  text-decoration: none;
}

.navbar-toss .nav-link-toss:hover,
.navbar-toss .nav-link-toss.active {
  color: var(--toss-blue);
  background: var(--toss-blue-light);
}

/* Toss 배지 */
.badge-toss {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: var(--toss-radius-full);
  letter-spacing: -0.01em;
  text-transform: none;
}

.badge-toss-primary {
  background: var(--toss-blue);
  color: white;
}

.badge-toss-success {
  background: var(--toss-green);
  color: white;
}

.badge-toss-warning {
  background: var(--toss-yellow);
  color: var(--toss-gray-900);
}

.badge-toss-danger {
  background: var(--toss-red);
  color: white;
}

.badge-toss-light {
  background: var(--toss-gray-100);
  color: var(--toss-gray-700);
}

/* Toss 알림 */
.alert-toss {
  border-radius: var(--toss-radius-md);
  border: none;
  padding: 16px;
  margin-bottom: 16px;
}

.alert-toss-info {
  background: var(--toss-blue-light);
  color: var(--toss-blue-dark);
}

.alert-toss-success {
  background: rgba(32, 201, 151, 0.1);
  color: #0d5f3c;
}

.alert-toss-warning {
  background: rgba(255, 184, 0, 0.1);
  color: #8b5a00;
}

.alert-toss-danger {
  background: rgba(240, 68, 82, 0.1);
  color: #8b1922;
}

/* Toss 그라디언트 텍스트 */
.text-gradient-toss {
  background: var(--toss-gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.text-gradient-toss-purple {
  background: var(--toss-gradient-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* Toss 애니메이션 클래스 */
.toss-fade-in {
  animation: tossFadeIn 0.6s ease-out;
}

.toss-slide-up {
  animation: tossSlideUp 0.6s ease-out;
}

.toss-scale-in {
  animation: tossScaleIn 0.4s ease-out;
}

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

@keyframes tossSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tossScaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Toss 로딩 스피너 */
.spinner-toss {
  width: 24px;
  height: 24px;
  border: 2px solid var(--toss-gray-200);
  border-top: 2px solid var(--toss-blue);
  border-radius: 50%;
  animation: tossSpinner 1s linear infinite;
}

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

/* Toss 반응형 유틸리티 */
@media (max-width: 768px) {
  .btn-toss {
    padding: 14px 20px;
    font-size: 16px;
    width: 100%;
  }
  
  .card-toss {
    border-radius: var(--toss-radius-md);
  }
  
  .input-toss {
    padding: 14px 16px;
    font-size: 16px;
  }
}

/* Toss 접근성 */
@media (prefers-reduced-motion: reduce) {
  .btn-toss,
  .card-toss,
  .input-toss,
  .nav-link-toss {
    transition: none;
  }
  
  .toss-fade-in,
  .toss-slide-up,
  .toss-scale-in {
    animation: none;
  }
}

/* Toss 포커스 스타일 */
.btn-toss:focus,
.input-toss:focus,
.nav-link-toss:focus {
  outline: 2px solid var(--toss-blue);
  outline-offset: 2px;
}

/* Toss 다크모드 지원 */
@media (prefers-color-scheme: dark) {
  .card-toss {
    background: var(--toss-gray-800);
    color: var(--toss-gray-100);
  }
  
  .navbar-toss {
    background: rgba(33, 37, 41, 0.95);
    border-bottom-color: var(--toss-gray-700);
  }
  
  .input-toss {
    background: var(--toss-gray-800);
    border-color: var(--toss-gray-600);
    color: var(--toss-gray-100);
  }
}