:root {
  /* 브랜드 컬러 - 생동감 있는 그라디언트 */
  --primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --primary-solid: #667eea;
  --secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

  /* 텍스트 컬러 */
  --text-primary: #2d3748;
  --text-secondary: #718096;
  --text-light: #a0aec0;

  /* 배경 */
  --bg-primary: #ffffff;
  --bg-secondary: #f7fafc;
  --bg-card: #ffffff;

  /* 그림자 */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* 간격 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* 폰트 */
  --font-display: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font-display);
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 애니메이션 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.8;
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease-out;
}

/* 컨테이너 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* 헤더 */
header {
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 히어로 섹션 */
.hero {
  text-align: center;
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  background: var(--primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* 카드 스타일 */
.card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

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

/* 입력 폼 */
.form-section {
  margin: var(--spacing-lg) 0;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-solid);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

/* 버튼 */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

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

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

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

/* 결과 대시보드 */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.result-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.result-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--accent);
  color: white;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
}

/* 반응형 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .results-grid {
    grid-template-columns: 1fr;
  }
}

/* 숨김 */
.hidden {
  display: none !important;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 탭 네비게이션 */
.tab-navigation {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0 2rem 0;
  border-bottom: 2px solid #e2e8f0;
}

.tab-button {
  flex: 1;
  padding: 1rem 2rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  bottom: -2px;
}

.tab-button:hover {
  color: var(--primary-solid);
  background: rgba(102, 126, 234, 0.05);
}

.tab-button.active {
  color: var(--primary-solid);
  border-bottom-color: var(--primary-solid);
}

/* 탭 콘텐츠 */
.tab-content {
  display: none;
  animation: fadeInUp 0.4s ease-out;
}

.tab-content.active {
  display: block;
}

/* 헤더 버튼 */
.header-btn {
  padding: 0.5rem 1rem;
  background: #f7fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-primary);
}


/* 위자드 (단계별 진행) 스타일 */
.wizard-progress {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding: 0 1rem;
  position: relative;
}

.wizard-progress::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: #e2e8f0;
  z-index: 1;
  transform: translateY(-50%);
}

.step-indicator {
  position: relative;
  z-index: 2;
  background: white;
  padding: 0.5rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 20px;
  font-weight: 600;
  color: #a0aec0;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.step-indicator.active {
  border-color: var(--primary-solid);
  color: var(--primary-solid);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.wizard-step {
  animation: fadeInUp 0.5s ease-out;
}

.btn-secondary {
  background: white;
  border: 2px solid #e2e8f0;
  color: var(--text-primary);
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: #f7fafc;
  border-color: #cbd5e0;
}

/* 로고 미리보기 가로 스크롤 컨테이너 */
#logoPreview {
  display: flex !important;
  overflow-x: auto;
  gap: 1rem;
  padding-bottom: 1rem;
  align-items: flex-start;
  justify-content: flex-start;
  /* 왼쪽 정렬 */
}

/* 스크롤바 스타일링 (선택사항) */
#logoPreview::-webkit-scrollbar {
  height: 8px;
}

#logoPreview::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

#logoPreview::-webkit-scrollbar-thumb {
  background: #cbd5e0;
  border-radius: 4px;
}

#logoPreview::-webkit-scrollbar-thumb:hover {
  background: #a0aec0;
}