/* ========================================
   사주풀이 - 스포츠 브랜드 스타일
   Modern Athletic Design
   ======================================== */

/* 폰트 임포트 */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+KR:wght@300;400;500;700;900&display=swap');

/* CSS 변수 정의 - 라이트 모드 (기본) */
:root {
  /* 브랜드 컬러 - 스포츠 스타일 */
  --accent-primary: #FF3366;
  --accent-secondary: #00D4FF;
  --accent-tertiary: #FFD600;
  --accent-success: #00FF88;
  --accent-gradient: linear-gradient(135deg, #FF3366 0%, #FF6B35 50%, #FFD600 100%);
  --accent-gradient-cool: linear-gradient(135deg, #00D4FF 0%, #7B61FF 100%);
  --accent-gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);

  /* 오행 색상 - 네온 스타일 */
  --wood-color: #00FF88;
  --wood-light: rgba(0, 255, 136, 0.15);
  --fire-color: #FF3366;
  --fire-light: rgba(255, 51, 102, 0.15);
  --earth-color: #FFD600;
  --earth-light: rgba(255, 214, 0, 0.15);
  --metal-color: #C0C0C0;
  --metal-light: rgba(192, 192, 192, 0.15);
  --water-color: #00D4FF;
  --water-light: rgba(0, 212, 255, 0.15);

  /* 기본 색상 */
  --primary-color: #FF3366;
  --primary-dark: #CC2952;
  --primary-light: #FF6B8A;
  --secondary-color: #00D4FF;
  --background-color: #F8F9FA;
  --card-background: #FFFFFF;
  --text-primary: #1A1A2E;
  --text-secondary: #4A4A68;
  --text-muted: #8888A0;
  --border-color: #E8E8F0;

  /* 폰트 */
  --font-display: 'Bebas Neue', 'Inter', sans-serif;
  --font-sans: 'Inter', 'Noto Sans KR', sans-serif;
  --font-korean: 'Noto Sans KR', sans-serif;

  /* 간격 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-xxxl: 64px;

  /* 그림자 */
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 26, 46, 0.12);
  --shadow-lg: 0 16px 48px rgba(26, 26, 46, 0.16);
  --shadow-glow: 0 0 40px rgba(255, 51, 102, 0.3);
  --shadow-glow-blue: 0 0 40px rgba(0, 212, 255, 0.3);

  /* 둥글기 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 50%;

  /* 전환 */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* 다크 모드 */
[data-theme="dark"] {
  --wood-color: #00FF88;
  --wood-light: rgba(0, 255, 136, 0.2);
  --fire-color: #FF3366;
  --fire-light: rgba(255, 51, 102, 0.2);
  --earth-color: #FFD600;
  --earth-light: rgba(255, 214, 0, 0.2);
  --metal-color: #E0E0E0;
  --metal-light: rgba(224, 224, 224, 0.2);
  --water-color: #00D4FF;
  --water-light: rgba(0, 212, 255, 0.2);

  --primary-color: #FF3366;
  --primary-dark: #FF6B8A;
  --primary-light: #FF99AA;
  --secondary-color: #00D4FF;
  --background-color: #0D0D14;
  --card-background: #1A1A28;
  --text-primary: #FFFFFF;
  --text-secondary: #B8B8D0;
  --text-muted: #6868A0;
  --border-color: #2A2A40;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(255, 51, 102, 0.4);
  --shadow-glow-blue: 0 0 60px rgba(0, 212, 255, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --wood-color: #00FF88;
    --wood-light: rgba(0, 255, 136, 0.2);
    --fire-color: #FF3366;
    --fire-light: rgba(255, 51, 102, 0.2);
    --earth-color: #FFD600;
    --earth-light: rgba(255, 214, 0, 0.2);
    --metal-color: #E0E0E0;
    --metal-light: rgba(224, 224, 224, 0.2);
    --water-color: #00D4FF;
    --water-light: rgba(0, 212, 255, 0.2);

    --primary-color: #FF3366;
    --primary-dark: #FF6B8A;
    --primary-light: #FF99AA;
    --secondary-color: #00D4FF;
    --background-color: #0D0D14;
    --card-background: #1A1A28;
    --text-primary: #FFFFFF;
    --text-secondary: #B8B8D0;
    --text-muted: #6868A0;
    --border-color: #2A2A40;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 60px rgba(255, 51, 102, 0.4);
    --shadow-glow-blue: 0 0 60px rgba(0, 212, 255, 0.4);
  }
}

/* 리셋 및 기본 스타일 */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 컨테이너 */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* 테마 토글 버튼 */
.theme-toggle {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 56px;
  height: 56px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--card-background);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
  transform: scale(1.1) rotate(15deg);
  box-shadow: var(--shadow-glow);
}

.theme-icon {
  font-size: 1.5rem;
  transition: all var(--transition-fast);
}

.light-icon { opacity: 1; }
.dark-icon { opacity: 0; position: absolute; }

[data-theme="dark"] .light-icon { opacity: 0; }
[data-theme="dark"] .dark-icon { opacity: 1; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .light-icon { opacity: 0; }
  :root:not([data-theme="light"]) .dark-icon { opacity: 1; }
}

/* 헤더 */
.header {
  text-align: center;
  padding: var(--spacing-xxxl) var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.header-decoration {
  position: absolute;
  top: -50%;
  left: -20%;
  right: -20%;
  height: 200%;
  background: var(--accent-gradient);
  opacity: 0.08;
  transform: rotate(-5deg);
  pointer-events: none;
}

[data-theme="dark"] .header-decoration,
:root:not([data-theme="light"]) .header-decoration {
  opacity: 0.15;
}

.title {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  position: relative;
  line-height: 1;
}

.subtitle {
  font-family: var(--font-korean);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.philosophy {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
  font-weight: 500;
}

/* 섹션 제목 */
.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.section-title::before,
.section-title::after {
  content: '';
  height: 2px;
  width: 60px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.subsection-title {
  font-family: var(--font-korean);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 입력 섹션 */
.input-section {
  background: var(--card-background);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xxl);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.input-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
}

.saju-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.form-group {
  flex: 1;
  min-width: 150px;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-sans);
  font-weight: 600;
  transition: all var(--transition-fast);
  background: var(--card-background);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(255, 51, 102, 0.15);
}

.form-group input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* 라디오 버튼 - 스포츠 스타일 */
.radio-group {
  display: flex;
  gap: var(--spacing-md);
}

.radio-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  flex: 1;
  justify-content: center;
}

.radio-label:hover {
  border-color: var(--primary-color);
}

.radio-label input[type="radio"] {
  display: none;
}

.radio-custom {
  display: none;
}

.radio-label:has(input[type="radio"]:checked) {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
}

/* 제출 버튼 - 스포츠 스타일 */
.submit-btn {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1.125rem;
  font-weight: 800;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

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

.submit-btn:active {
  transform: translateY(-1px);
}

.btn-icon {
  font-size: 1.5rem;
}

.btn-text {
  font-family: var(--font-korean);
}

/* 로딩 */
.loading {
  display: none;
  text-align: center;
  padding: var(--spacing-xxxl);
}

.loading.active {
  display: block;
}

.loading-spinner {
  width: 80px;
  height: 80px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-right-color: var(--secondary-color);
  border-radius: var(--radius-full);
  margin: 0 auto var(--spacing-lg);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading p {
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* 결과 섹션 */
.result-section {
  animation: slideUp var(--transition-slow);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 결과 카드 */
.result-card {
  background: var(--card-background);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xxl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

/* 사주 기둥 */
.pillars-container {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.pillar {
  width: 130px;
  text-align: center;
  background: var(--background-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 2px solid var(--border-color);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.pillar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.pillar:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.pillar:hover::before {
  opacity: 0.05;
}

.pillar-name {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  position: relative;
}

.pillar-stem {
  font-family: var(--font-korean);
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: var(--spacing-xs);
  position: relative;
}

.pillar-stem-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.pillar-branch {
  font-family: var(--font-korean);
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: var(--spacing-xs);
  position: relative;
}

.pillar-branch-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
}

.pillar-empty {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  padding: var(--spacing-xxl) 0;
}

/* 오행별 색상 클래스 */
.element-wood { color: var(--wood-color); text-shadow: 0 0 20px rgba(0, 255, 136, 0.5); }
.element-fire { color: var(--fire-color); text-shadow: 0 0 20px rgba(255, 51, 102, 0.5); }
.element-earth { color: var(--earth-color); text-shadow: 0 0 20px rgba(255, 214, 0, 0.5); }
.element-metal { color: var(--metal-color); text-shadow: 0 0 20px rgba(192, 192, 192, 0.5); }
.element-water { color: var(--water-color); text-shadow: 0 0 20px rgba(0, 212, 255, 0.5); }

.element-bg-wood { background: var(--wood-light); border-color: var(--wood-color) !important; }
.element-bg-fire { background: var(--fire-light); border-color: var(--fire-color) !important; }
.element-bg-earth { background: var(--earth-light); border-color: var(--earth-color) !important; }
.element-bg-metal { background: var(--metal-light); border-color: var(--metal-color) !important; }
.element-bg-water { background: var(--water-light); border-color: var(--water-color) !important; }

/* 오행 차트 */
.elements-chart {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.element-bar {
  width: 100px;
  text-align: center;
}

.element-bar-container {
  height: 140px;
  background: var(--border-color);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.element-bar-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  border-radius: var(--radius-lg);
  transition: height var(--transition-slow);
  box-shadow: 0 0 20px currentColor;
}

.element-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.element-name {
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.element-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* 음양 밸런스 */
.yin-yang-balance {
  text-align: center;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, #0D0D14 0%, #1A1A28 50%, #2A2A40 50%, #3A3A50 100%);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-xl);
}

.yin-yang-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xxl);
}

.yin-section,
.yang-section {
  padding: var(--spacing-lg);
}

.yin-section {
  color: #00D4FF;
}

.yang-section {
  color: #FF3366;
}

.yin-yang-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-xs);
  opacity: 0.8;
}

.yin-yang-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 400;
  text-shadow: 0 0 30px currentColor;
}

.yin-yang-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: var(--spacing-lg) auto 0;
  background: var(--card-background);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
}

/* 탭 */
.tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.tab-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background: transparent;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.tab-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.tab-btn.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
  box-shadow: var(--shadow-glow);
}

.tab-icon {
  font-size: 1.25rem;
}

.tab-content {
  display: none;
  animation: fadeIn var(--transition-normal);
}

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

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

/* 분석 내용 */
.analysis-section {
  margin-bottom: var(--spacing-xl);
}

.analysis-title {
  font-family: var(--font-korean);
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.analysis-content {
  color: var(--text-secondary);
  line-height: 1.8;
  font-weight: 500;
}

.analysis-list {
  list-style: none;
  padding: 0;
}

.analysis-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  font-weight: 500;
}

.analysis-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.aptitude-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.aptitude-item {
  background: var(--background-color);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary-color);
  transition: all var(--transition-fast);
}

.aptitude-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.aptitude-label {
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
}

.aptitude-level {
  font-size: 0.875rem;
  font-weight: 600;
}

.aptitude-level.strong { color: var(--wood-color); }
.aptitude-level.moderate { color: var(--earth-color); }
.aptitude-level.weak { color: var(--text-muted); }

.career-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.career-tag {
  background: var(--accent-gradient);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  transition: all var(--transition-fast);
}

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

.caution-box {
  background: rgba(255, 51, 102, 0.1);
  border-left: 4px solid var(--fire-color);
  padding: var(--spacing-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: var(--spacing-xl);
}

.caution-box h4 {
  color: var(--fire-color);
  margin-bottom: var(--spacing-sm);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tip-box {
  background: rgba(0, 212, 255, 0.1);
  border-left: 4px solid var(--water-color);
  padding: var(--spacing-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: var(--spacing-lg);
}

.tip-box h4 {
  color: var(--water-color);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

/* 대운 타임라인 */
.daeun-timeline {
  overflow-x: auto;
  padding: var(--spacing-lg) 0;
}

.timeline-container {
  display: flex;
  gap: var(--spacing-md);
  min-width: min-content;
  padding: var(--spacing-lg);
}

.timeline-item {
  flex: 0 0 110px;
  text-align: center;
  position: relative;
}

.timeline-node {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-family: var(--font-korean);
  font-weight: 900;
  font-size: 0.875rem;
  color: white;
  position: relative;
  z-index: 1;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.timeline-item:hover .timeline-node {
  transform: scale(1.15) rotate(-5deg);
  box-shadow: var(--shadow-glow);
}

.timeline-item.current .timeline-node {
  width: 70px;
  height: 70px;
  font-size: 1rem;
  box-shadow: 0 0 0 4px var(--card-background), var(--shadow-glow);
}

.timeline-item.current::before {
  content: 'NOW';
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.625rem;
  font-weight: 900;
  color: var(--primary-color);
  background: var(--card-background);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
}

.timeline-line {
  position: absolute;
  top: 30px;
  left: 85px;
  right: -25px;
  height: 3px;
  background: var(--border-color);
  z-index: 0;
}

.timeline-item:last-child .timeline-line { display: none; }

.timeline-age {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.timeline-year {
  font-size: 0.625rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* 세운 정보 */
.saeun-info {
  background: var(--background-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 2px solid var(--border-color);
}

.saeun-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.saeun-pillar { text-align: center; }

.saeun-year {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.saeun-stem-branch {
  font-family: var(--font-korean);
  font-size: 2.5rem;
  font-weight: 900;
}

.saeun-details { flex: 1; }

.saeun-theme {
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.saeun-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* 오늘의 팁 */
.daily-tip {
  background: var(--accent-gradient);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xxl);
  color: white;
  position: relative;
  overflow: hidden;
}

.daily-tip::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: rgba(255,255,255,0.1);
  transform: rotate(15deg);
  pointer-events: none;
}

.daily-tip-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.daily-tip-date {
  font-size: 0.75rem;
  font-weight: 700;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.daily-tip-pillar {
  font-family: var(--font-korean);
  font-size: 1.5rem;
  font-weight: 900;
}

.daily-tip-message {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.daily-tip-advice {
  font-size: 0.875rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
  font-weight: 500;
  position: relative;
}

.daily-tip-extras {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  position: relative;
}

.daily-tip-extra {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  font-weight: 600;
  background: rgba(255,255,255,0.2);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
}

.daily-tip-extra-icon { font-size: 1.25rem; }

/* 비주얼 컨테이너 */
.visual-container {
  text-align: center;
  overflow-x: auto;
}

.visual-container canvas {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* 액션 버튼 */
.action-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-xxl);
}

.action-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 800;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.action-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.action-btn.secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.action-btn.secondary:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
}

/* 툴팁 팝업 */
.tooltip-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.tooltip-popup.active { display: flex; }

.tooltip-content {
  background: var(--card-background);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xxl);
  max-width: 450px;
  width: 100%;
  position: relative;
  animation: popIn var(--transition-bounce);
  border: 2px solid var(--border-color);
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

.tooltip-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--background-color);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.tooltip-close:hover {
  background: var(--primary-color);
  color: white;
}

.tooltip-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

.tooltip-text {
  color: var(--text-secondary);
  line-height: 1.8;
  font-weight: 500;
}

/* 푸터 */
.footer {
  text-align: center;
  padding: var(--spacing-xxxl) var(--spacing-md);
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-xxxl);
}

.disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
  font-weight: 500;
}

.copyright {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* 반응형 */
@media (max-width: 768px) {
  .theme-toggle {
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 48px;
    height: 48px;
  }

  .title { font-size: 3rem; }
  .subtitle { font-size: 0.875rem; }
  .form-row { flex-direction: column; }
  .form-group { min-width: 100%; }

  .pillars-container { gap: var(--spacing-md); }
  .pillar { width: 75px; padding: var(--spacing-md); }
  .pillar-stem, .pillar-branch { font-size: 1.75rem; }

  .tabs { flex-direction: column; }
  .tab-btn { width: 100%; justify-content: center; }

  .yin-yang-container {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .action-buttons { flex-direction: column; }
  .action-btn { width: 100%; justify-content: center; }

  .saeun-header { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: var(--spacing-sm); }
  .header { padding: var(--spacing-xxl) var(--spacing-sm); }
  .input-section, .result-card { padding: var(--spacing-lg); }
  .section-title { font-size: 1.5rem; }
  .section-title::before, .section-title::after { width: 30px; }

  .element-bar { width: 60px; }
  .element-bar-container { height: 100px; }
}

/* 용어 설명 힌트 */
.term-hint {
  border-bottom: 2px dotted var(--primary-color);
  cursor: help;
  transition: color var(--transition-fast);
  font-weight: 600;
}

.term-hint:hover { color: var(--primary-color); }

/* 강조 색상 */
.highlight-wood { background: var(--wood-light); padding: 2px 8px; border-radius: 4px; font-weight: 600; }
.highlight-fire { background: var(--fire-light); padding: 2px 8px; border-radius: 4px; font-weight: 600; }
.highlight-earth { background: var(--earth-light); padding: 2px 8px; border-radius: 4px; font-weight: 600; }
.highlight-metal { background: var(--metal-light); padding: 2px 8px; border-radius: 4px; font-weight: 600; }
.highlight-water { background: var(--water-light); padding: 2px 8px; border-radius: 4px; font-weight: 600; }

/* 운세 레벨 인디케이터 */
.fortune-level {
  display: flex;
  gap: 6px;
  margin-top: var(--spacing-sm);
}

.fortune-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-sm);
  background: var(--border-color);
}

.fortune-dot.active { background: var(--primary-color); box-shadow: 0 0 10px var(--primary-color); }
.fortune-dot.good { background: var(--wood-color); box-shadow: 0 0 10px var(--wood-color); }
.fortune-dot.caution { background: var(--earth-color); box-shadow: 0 0 10px var(--earth-color); }

/* 스크롤바 스타일링 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* 프린트 스타일 */
@media print {
  .input-section, .action-buttons, .footer, .theme-toggle { display: none; }
  .result-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--border-color);
  }
}

/* 글로우 애니메이션 */
@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px var(--primary-color); }
  50% { box-shadow: 0 0 40px var(--primary-color), 0 0 60px var(--secondary-color); }
}

.glow-animation {
  animation: glow 2s ease-in-out infinite;
}