/* ========================================
   오늘의 운세 - 메인 스타일시트
   ======================================== */

/* CSS Variables */
:root {
  --primary: #9333EA;
  --primary-dark: #7C3AED;
  --secondary: #EC4899;
  --accent: #F59E0B;
  --background: #F9FAFB;
  --card-bg: #FFFFFF;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --error: #EF4444;
  --success: #10B981;

  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
  --gradient-blue: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-primary: 0 4px 14px rgba(147, 51, 234, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* App Container */
#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--background);
}

/* Screen Base */
.screen {
  display: none;
  min-height: 100vh;
  padding: 0 16px;
}

.screen.active {
  display: flex;
  flex-direction: column;
}

/* ========================================
   메인 입력 화면
   ======================================== */

#screen-main {
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 24px 0;
}

/* 로고 섹션 */
.logo-section {
  text-align: center;
  margin-bottom: 40px;
}

.logo-icon {
  font-size: 64px;
  margin-bottom: 16px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.title {
  font-size: 32px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.subtitle {
  font-size: 16px;
  color: var(--text-secondary);
}

/* 입력 섹션 */
.input-section {
  width: 100%;
  max-width: 320px;
}

.input-group {
  margin-bottom: 20px;
}

.input-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.input-field {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  font-family: var(--font-family);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  color: var(--text-primary);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.input-field:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
  transform: scale(1.02);
}

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

.input-field.error {
  border-color: var(--error);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  50% { transform: translateX(8px); }
  75% { transform: translateX(-4px); }
}

.input-error {
  display: block;
  font-size: 12px;
  color: var(--error);
  margin-top: 6px;
  min-height: 18px;
}

/* 제출 버튼 */
.submit-btn {
  width: 100%;
  padding: 18px 24px;
  font-size: 18px;
  font-weight: 600;
  font-family: var(--font-family);
  color: white;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-primary);
  transition: all 0.2s ease;
  margin-top: 8px;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(147, 51, 234, 0.4);
}

.submit-btn:active {
  transform: scale(0.98);
}

.btn-icon {
  font-size: 20px;
}

/* 방문자 카운터 */
.visitor-counter {
  margin-top: 32px;
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.counter-icon {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========================================
   로딩 화면
   ======================================== */

#screen-loading {
  justify-content: center;
  align-items: center;
  background: linear-gradient(180deg, var(--background) 0%, #F3E8FF 100%);
}

.loading-content {
  text-align: center;
  z-index: 1;
}

.loading-icon {
  font-size: 80px;
  margin-bottom: 24px;
  animation: spin 2s linear infinite, glow 1.5s ease-in-out infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes glow {
  0%, 100% { filter: drop-shadow(0 0 10px rgba(147, 51, 234, 0.5)); }
  50% { filter: drop-shadow(0 0 20px rgba(147, 51, 234, 0.8)); }
}

.loading-text {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  animation: fadeInOut 2s ease-in-out infinite;
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.progress-bar {
  width: 200px;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 auto;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: 4px;
  transition: width 0.1s linear;
}

/* 전면 광고 */
.interstitial-ad {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 320px;
}

.ad-interstitial {
  height: 250px;
}

/* ========================================
   결과 화면
   ======================================== */

#screen-result {
  padding-top: 0;
  padding-bottom: 32px;
}

/* 스크롤 프로그레스 */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-primary);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* 결과 헤더 */
.result-header {
  text-align: center;
  padding: 24px 0;
  position: sticky;
  top: 0;
  background: var(--background);
  z-index: 10;
}

.result-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.result-date {
  font-size: 14px;
  color: var(--text-secondary);
}

/* 결과 컨텐츠 */
.result-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 운세 카드 */
.fortune-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.card-icon {
  font-size: 24px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

/* 총운 스코어 */
.score-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

.score-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-primary);
}

.score-value {
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
}

.score-label {
  font-size: 14px;
  opacity: 0.9;
}

.score-emoji {
  font-size: 48px;
  animation: bounce 1s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.fortune-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  text-align: center;
}

.fortune-content {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  text-align: center;
}

.fortune-emoji {
  font-size: 40px;
  text-align: center;
  margin-bottom: 12px;
}

/* 행운 그리드 */
.lucky-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.lucky-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
}

.lucky-item:hover {
  transform: rotate(-2deg);
}

.lucky-icon {
  display: block;
  font-size: 28px;
  margin-bottom: 8px;
}

.lucky-label {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 6px;
}

.lucky-value {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.color-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 한마디 & 주의사항 카드 */
.card-advice {
  background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
}

.advice-content {
  font-size: 16px;
  font-weight: 500;
  color: #92400E;
  text-align: center;
  line-height: 1.6;
}

.card-caution {
  background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
}

.caution-content {
  font-size: 15px;
  color: #991B1B;
  text-align: center;
  line-height: 1.6;
}

/* 공유 섹션 */
.share-section {
  text-align: center;
  padding: 24px 0;
}

.share-title {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.share-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.share-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 72px;
  height: 72px;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-family);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.share-btn:hover {
  transform: translateY(-2px);
}

.share-btn:active {
  transform: scale(0.95);
}

.share-icon {
  width: 24px;
  height: 24px;
}

.share-kakao {
  background: #FEE500;
  color: #3C1E1E;
}

.share-instagram {
  background: linear-gradient(135deg, #833AB4 0%, #FD1D1D 50%, #FCAF45 100%);
}

.share-x {
  background: #000000;
}

.share-url {
  background: #6B7280;
}

/* 다시보기 버튼 */
.retry-btn {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  font-weight: 500;
  font-family: var(--font-family);
  color: var(--primary);
  background: white;
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
}

.retry-btn:hover {
  background: var(--primary);
  color: white;
}

/* 스트릭 배지 */
.streak-badge {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  background: var(--gradient-gold);
  border-radius: var(--radius-md);
  color: white;
  font-weight: 600;
  margin-top: 16px;
  animation: streakPulse 2s ease-in-out infinite;
}

.streak-badge.active {
  display: flex;
}

@keyframes streakPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.streak-icon {
  font-size: 24px;
  animation: fire 0.5s ease-in-out infinite alternate;
}

@keyframes fire {
  from { transform: translateY(0) rotate(-5deg); }
  to { transform: translateY(-2px) rotate(5deg); }
}

/* ========================================
   광고 배너
   ======================================== */

.ad-banner {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 8px 0;
}

.ad-placeholder {
  width: 320px;
  height: 100px;
  background: linear-gradient(135deg, #E5E7EB 0%, #D1D5DB 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 14px;
}

/* ========================================
   토스트 메시지
   ======================================== */

.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 14px 28px;
  background: var(--text-primary);
  color: white;
  border-radius: var(--radius-xl);
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
  white-space: nowrap;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ========================================
   애니메이션
   ======================================== */

.animate-card {
  opacity: 0;
  transform: translateY(20px);
}

.animate-card.visible {
  animation: fadeInUp 0.4s ease forwards;
}

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

/* 순차 딜레이 */
.animate-card:nth-child(1) { animation-delay: 0s; }
.animate-card:nth-child(2) { animation-delay: 0.1s; }
.animate-card:nth-child(3) { animation-delay: 0.2s; }
.animate-card:nth-child(4) { animation-delay: 0.3s; }
.animate-card:nth-child(5) { animation-delay: 0.4s; }
.animate-card:nth-child(6) { animation-delay: 0.5s; }
.animate-card:nth-child(7) { animation-delay: 0.6s; }
.animate-card:nth-child(8) { animation-delay: 0.7s; }

/* ========================================
   반응형 디자인
   ======================================== */

/* 작은 화면 (iPhone SE 등) */
@media (max-height: 700px) {
  .logo-icon {
    font-size: 48px;
  }

  .title {
    font-size: 28px;
  }

  .logo-section {
    margin-bottom: 24px;
  }

  .input-group {
    margin-bottom: 16px;
  }
}

/* 큰 화면 */
@media (min-width: 480px) {
  #app {
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
  }
}

/* 다크모드 지원 (선택사항) */
@media (prefers-color-scheme: dark) {
  :root {
    --background: #0F172A;
    --card-bg: #1E293B;
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-light: #94A3B8;
    --border: #334155;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  }

  body {
    background: var(--background);
  }

  #app {
    background: var(--background);
  }

  /* 입력 필드 */
  .input-field {
    background: var(--card-bg);
    border-color: var(--border);
    color: var(--text-primary);
  }

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

  .input-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.2);
  }

  /* 버튼 */
  .submit-btn {
    box-shadow: 0 4px 14px rgba(147, 51, 234, 0.4);
  }

  .retry-btn {
    background: var(--card-bg);
    border-color: var(--primary);
    color: var(--primary);
  }

  .retry-btn:hover {
    background: var(--primary);
    color: white;
  }

  /* 결과 헤더 */
  .result-header {
    background: var(--background);
  }

  /* 운세 카드 */
  .fortune-card {
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
  }

  .card-title {
    color: var(--text-primary);
  }

  .fortune-title {
    color: #A78BFA;
  }

  .fortune-content {
    color: var(--text-secondary);
  }

  /* 점수 원 */
  .score-circle {
    box-shadow: 0 4px 14px rgba(147, 51, 234, 0.5);
  }

  /* 행운 그리드 */
  .lucky-item {
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
  }

  .lucky-label {
    color: var(--text-light);
  }

  .lucky-value {
    color: var(--text-primary);
  }

  /* 한마디 카드 */
  .card-advice {
    background: linear-gradient(135deg, #713F12 0%, #A16207 100%);
  }

  .advice-content {
    color: #FEF3C7;
  }

  /* 주의사항 카드 */
  .card-caution {
    background: linear-gradient(135deg, #7F1D1D 0%, #B91C1C 100%);
  }

  .caution-content {
    color: #FEE2E2;
  }

  /* 공유 버튼 */
  .share-section {
    color: var(--text-secondary);
  }

  .share-title {
    color: var(--text-secondary);
  }

  .share-url {
    background: #475569;
  }

  /* 스트릭 배지 */
  .streak-badge {
    box-shadow: var(--shadow-md);
  }

  /* 방문자 카운터 */
  .visitor-counter {
    color: var(--text-secondary);
  }

  /* 로딩 화면 */
  #screen-loading {
    background: linear-gradient(180deg, var(--background) 0%, #1E1B4B 100%);
  }

  .loading-text {
    color: var(--text-secondary);
  }

  .progress-bar {
    background: var(--border);
  }

  /* 토스트 */
  .toast {
    background: var(--card-bg);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
  }

  /* 광고 플레이스홀더 */
  .ad-placeholder {
    background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
    color: var(--text-light);
  }

  /* 로고 타이틀 그라데이션 유지 */
  .title {
    background: linear-gradient(135deg, #A78BFA 0%, #F472B6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* 서브타이틀 */
  .subtitle {
    color: var(--text-secondary);
  }
}

/* 접근성 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Safe Area (노치 대응) */
@supports (padding-top: env(safe-area-inset-top)) {
  #screen-main,
  #screen-result {
    padding-top: calc(16px + env(safe-area-inset-top));
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }
}