/* ============================================
   로또명당 - 라이트 테마 (화이트-그린)
   ============================================ */

html, body {
  height: 100%;
  margin: 0;
  background: #ffffff;
}

body {
  font-family: 'Pretendard', system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  color: #1a1a1a;
}

/* ============================================
   CSS 변수 (디자인 토큰) - 라이트 테마
   ============================================ */
:root {
  /* 라이트 배경 팔레트 */
  --light-50: #ffffff;
  --light-100: #fafafa;
  --light-200: #f5f5f5;
  --light-300: #e5e5e5;
  --light-400: #d4d4d4;
  --light-500: #a3a3a3;
  
  /* 그린 포인트 (메인 브랜드) - #00B66D 기반 팔레트 */
  --green-50: #F2FBF7;
  --green-100: #E6F8F1;
  --green-200: #CCF0E2;
  --green-300: #B3EAD4;
  --green-400: #59CFA0;
  --green-500: #00B66D;
  --green-600: #007747;
  --green-700: #004c2e;
  --green-800: #00351f;
  --green-900: #002516;
  
  /* 골드 (당첨/프리미엄) */
  --gold-400: #facc15;
  --gold-500: #eab308;
  --gold-600: #ca8a04;
  
  /* 시멘틱 컬러 - Success (그린 계열) */
  --success-50: #ecfdf3;
  --success-100: #d1fadf;
  --success-200: #a6f4c5;
  --success-300: #6ce9a6;
  --success-400: #32d583;
  --success-500: #12b76a;
  --success-600: #039855;
  --success-700: #027a48;
  --success-800: #05603a;
  --success-900: #054f31;
  
  /* 시멘틱 컬러 - Warning (오렌지 계열) */
  --warning-50: #fffaeb;
  --warning-100: #fef0c7;
  --warning-200: #fedf89;
  --warning-300: #fec84b;
  --warning-400: #fdb022;
  --warning-500: #f79009;
  --warning-600: #dc6803;
  --warning-700: #b54708;
  --warning-800: #93370d;
  --warning-900: #7a2e0e;
  
  /* 시멘틱 컬러 - Error (레드 계열) */
  --error-50: #fef3f2;
  --error-100: #fee4e2;
  --error-200: #fecdca;
  --error-300: #fda29b;
  --error-400: #f97066;
  --error-500: #f04438;
  --error-600: #d92d20;
  --error-700: #b42318;
  --error-800: #912018;
  --error-900: #7a271a;
  
  /* 시멘틱 컬러 - Info (블루 계열) */
  --info-50: #f0f9ff;
  --info-100: #e0f2fe;
  --info-200: #b9e6fe;
  --info-300: #7cd4fd;
  --info-400: #36bffa;
  --info-500: #0ba5ec;
  --info-600: #0086c9;
  --info-700: #026aa2;
  --info-800: #065986;
  --info-900: #0b4a6f;
  
  /* 브랜드 컬러 */
  --brand-primary: #00B66D;
  --brand-secondary: #007747;
  --brand-accent: #facc15;
  --brand-light: #e6fff5;
  
  /* 배경색 */
  --bg-primary: #ffffff;
  --bg-secondary: #f8faf9;
  --bg-tertiary: #f0fdf4;
  --bg-card: #ffffff;
  --bg-card-hover: #f8faf9;
  --bg-muted: #f5f5f5;
  
  /* 텍스트 컬러 토큰 (2025-12-22 업데이트) */
  --text-primary: #111111;   /* 기본 본문/타이틀 */
  --text-secondary: #505050; /* 보조 본문/설명 */
  --text-tertiary: #767676;  /* 서브/캡션 */
  --text-muted: #999999;     /* 비활성/흐림 */
  --text-light: #d1d5db;     /* (레거시 호환용) */
  
  /* 테두리 */
  --border-light: #e5e7eb;
  --border-medium: #d1d5db;
  --border-green: #00B66D;
  --border-focus: #007747;
  
  /* 그림자 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-green: 0 4px 14px rgba(0, 171, 102, 0.25);
  --shadow-gold: 0 4px 14px rgba(250, 204, 21, 0.25);
  --shadow-card: 0px 4px 12px 0px rgba(0, 0, 0, 0.08);
  --shadow-card-lg: 0px 4px 12px 0px rgba(0, 0, 0, 0.05);
  --shadow-card-md: 0px 2px 8px 0px rgba(0, 0, 0, 0.05);
  --shadow-card-sm: 0px 1px 4px 0px rgba(0, 0, 0, 0.05);
}

/* ============================================
   커스텀 섀도우 유틸리티 클래스
   ============================================ */
@layer utilities {
  .shadow-card-lg {
    box-shadow: var(--shadow-card-lg);
  }
  
  .shadow-card-md {
    box-shadow: var(--shadow-card-md);
  }
  
  .shadow-card-sm {
    box-shadow: var(--shadow-card-sm);
  }
  
  /* ============================================
     텍스트 컬러 유틸리티 클래스
     - text-gray-* 대신 사용
     - 2025-12-22 추가
     ============================================ */
  .text-primary {
    color: var(--text-primary) !important; /* #111111 */
  }

  .text-secondary {
    color: var(--text-secondary) !important; /* #505050 */
  }

  .text-tertiary {
    color: var(--text-tertiary) !important; /* #767676 */
  }

  .text-muted {
    color: var(--text-muted) !important; /* #999999 */
  }
}

/* ============================================
   애니메이션
   ============================================ */
@keyframes slide-down {
  from { transform: translate(-50%, -100%); opacity: 0; }
  to   { transform: translate(-50%, 0); opacity: 1; }
}

@keyframes slide-up {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

@keyframes bounce {
  0%, 100% { transform: translateY(-5%); }
  50%      { transform: translateY(0); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 171, 102, 0.3); }
  50% { box-shadow: 0 0 15px 5px rgba(0, 171, 102, 0.15); }
}

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

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scale-in {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.animate-slide-down { animation: slide-down 0.3s ease-out; }
.animate-slide-up   { animation: slide-up 0.3s ease-out; }
.animate-bounce     { animation: bounce 0.5s ease-in-out infinite; }
.animate-pulse-glow { animation: pulse-glow 2s ease-in-out infinite; }
.animate-float      { animation: float 3s ease-in-out infinite; }
.animate-glow       { animation: glow-pulse 2s ease-in-out infinite; }
.animate-fade-in    { animation: fade-in 0.2s ease-out; }
.animate-scale-in   { animation: scale-in 0.2s ease-out; }

/* 팩트 카드 전환 */
@keyframes fact-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fact-in { animation: fact-fade-in 0.4s ease-out forwards; }

/* 번호 공개 팝 */
@keyframes number-reveal {
  0% { transform: scale(0.5); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}
.animate-number-reveal { animation: number-reveal 0.5s ease-out forwards; }

/* ============================================
   유틸리티 클래스
   ============================================ */
.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }

/* 그린 글로우 배경 (라이트 버전) */
.bg-glow-green {
  background: radial-gradient(ellipse at center, rgba(0, 171, 102, 0.08) 0%, transparent 70%);
}

/* 그라데이션 배경 */
.bg-gradient-light {
  background: linear-gradient(180deg, #ffffff 0%, #f8faf9 100%);
}

.bg-gradient-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8faf9 100%);
}

/* 그린 그라데이션 */
.bg-gradient-green {
  background: linear-gradient(135deg, var(--green-500) 0%, var(--green-600) 100%);
}

/* 그린 라이트 그라데이션 */
.bg-gradient-green-light {
  background: linear-gradient(135deg, var(--green-50) 0%, var(--green-100) 100%);
}

/* 골드 그라데이션 */
.bg-gradient-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

/* 카드 스타일 */
.card {
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  transition: all 0.2s;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.card-glow {
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--green-400);
  box-shadow: var(--shadow-green);
}

.card-green {
  background: var(--green-50);
  border: 1px solid var(--green-200);
}

/* 버튼 스타일 */
.btn-primary {
  background: linear-gradient(135deg, var(--green-500) 0%, var(--green-600) 100%);
  color: white;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow-green);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 171, 102, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--green-600);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--green-50);
  border-color: var(--green-300);
}

.btn-outline {
  background: transparent;
  color: var(--green-600);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 12px;
  border: 1px solid var(--green-400);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-outline:hover {
  background: var(--green-50);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-400) 0%, var(--gold-500) 100%);
  color: #000;
  font-weight: 700;
  box-shadow: var(--shadow-gold);
}

/* 입력 필드 */
.input-field {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text-primary);
  transition: all 0.2s;
}

.input-field:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(0, 171, 102, 0.15);
}

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

/* 배지 */
.badge-green {
  background: var(--green-100);
  color: var(--green-700);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.badge-gold {
  background: rgba(250, 204, 21, 0.15);
  color: var(--gold-600);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.badge-hot {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 600;
}

.badge-new {
  background: rgba(59, 130, 246, 0.1);
  color: #2563eb;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 600;
}

/* 로또볼 색상 */
.lotto-ball-yellow { background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%); }
.lotto-ball-blue { background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); }
.lotto-ball-red { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); }
.lotto-ball-gray { background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%); }
.lotto-ball-green { background: linear-gradient(135deg, #00b86e 0%, #009358 100%); }

/* 네비게이션 바 (라이트) */
.nav-bottom {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-light);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.nav-item {
  color: var(--text-muted);
  transition: all 0.2s;
}

.nav-item.active {
  color: var(--green-600);
}

/* 스켈레톤 로딩 (라이트 버전) */
@keyframes skeleton-loading {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

/* 에러 흔들림 */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.animate-shake { animation: shake 0.3s ease-in-out; }

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

.animate-spin { animation: spin 1s linear infinite; }

/* 컨페티 */
@keyframes confetti-fall {
  0% { transform: translateY(-10px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

.confetti { animation: confetti-fall 3s ease-out forwards; }

/* 하트 팝 */
@keyframes heart-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.animate-heart-pop { animation: heart-pop 0.3s ease-out; }

/* 리플 효과 */
@keyframes ripple {
  0% { transform: scale(0); opacity: 0.5; }
  100% { transform: scale(4); opacity: 0; }
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(0, 171, 102, 0.3);
  animation: ripple 0.6s ease-out;
  pointer-events: none;
}

/* ============================================
   접근성 (a11y) 스타일
   ============================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 포커스 링 */
*:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 2px;
}

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

/* 터치 타겟 크기 */
button, a, input[type="button"], input[type="submit"] {
  min-height: 20px;
}

/* ============================================
   폼 스타일
   ============================================ */

.input-error {
  border-color: #ef4444 !important;
  background-color: rgba(239, 68, 68, 0.05) !important;
}

.input-success {
  border-color: var(--green-500) !important;
}

.error-message {
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ============================================
   인터랙션
   ============================================ */

button:active:not(:disabled) {
  transform: scale(0.97);
}

.card:active {
  transform: scale(0.98);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 호버 리프트 */
.hover-lift {
  transition: transform 0.2s, box-shadow 0.2s;
}

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

/* 글로우 효과 */
.glow-green {
  box-shadow: 0 0 15px rgba(0, 171, 102, 0.25);
}

.glow-gold {
  box-shadow: 0 0 15px rgba(250, 204, 21, 0.25);
}

/* 당첨 하이라이트 */
.winner-highlight {
  background: linear-gradient(135deg, rgba(250, 204, 21, 0.1) 0%, rgba(245, 158, 11, 0.1) 100%);
  border: 1px solid rgba(250, 204, 21, 0.3);
}

/* 명당 마크 */
.myeongdang-mark {
  background: linear-gradient(135deg, var(--green-500) 0%, var(--green-600) 100%);
  color: white;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(0, 171, 102, 0.25);
}

/* ============================================
   모바일 터치 개선
   ============================================ */

@media (hover: none) and (pointer: coarse) {
  .hover-lift:hover {
    transform: none;
    box-shadow: var(--shadow-md);
  }
}

/* ============================================
   토스트 스타일
   ============================================ */

.toast-success {
  background: var(--green-600);
  color: white;
}

.toast-error {
  background: #dc2626;
  color: white;
}

.toast-info {
  background: white;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   헤더 스타일
   ============================================ */

.header-light {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
}

/* ============================================
   섹션 타이틀
   ============================================ */

.section-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ============================================
   탭 스타일
   ============================================ */

.tab-item {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.2s;
}

.tab-item.active {
  background: var(--green-500);
  color: white;
}

.tab-item:hover:not(.active) {
  background: var(--bg-secondary);
}

/* ============================================
   리스트 아이템
   ============================================ */

.list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-light);
  transition: all 0.2s;
}

.list-item:hover {
  border-color: var(--green-300);
  background: var(--green-50);
}

/* ============================================
   아이콘 컨테이너
   ============================================ */

.icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--green-50);
}

.icon-container-gold {
  background: rgba(250, 204, 21, 0.15);
}

/* ============================================
   스탯 카드
   ============================================ */

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.stat-card-green {
  background: var(--green-50);
  border-color: var(--green-200);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================
   모바일 앱 스타일 컨테이너
   ============================================ */

.app-container {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  background: var(--bg-primary);
  position: relative;
}

/* Safe Area 지원 */
@supports (padding-top: env(safe-area-inset-top)) {
  .app-container {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }
  
  .nav-bottom {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* ============================================
   데스크탑 레이아웃 (점신 스타일 참고)
   ============================================ */

/* 데스크탑에서 앱 UI 영역 */
@media (min-width: 1024px) {
  .app-phone-frame {
    border-radius: 32px;
    box-shadow: 
      0 25px 50px -12px rgba(0, 0, 0, 0.15),
      0 0 0 1px rgba(0, 0, 0, 0.05);
    overflow: hidden;
  }
  
  .app-phone-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 28px;
    background: #000;
    border-radius: 0 0 16px 16px;
    z-index: 100;
  }
}

/* 데스크탑 랜딩 페이지 스타일 */
.desktop-landing {
  background: linear-gradient(135deg, #ffffff 0%, #f8faf9 50%, #f0fdf4 100%);
}

.desktop-landing-gradient {
  background: radial-gradient(ellipse at top right, rgba(0, 171, 102, 0.08) 0%, transparent 50%);
}

/* 스크롤 영역 스타일 */
.app-scroll-area {
  scrollbar-width: thin;
  scrollbar-color: rgba(156, 163, 175, 0.3) transparent;
}

.app-scroll-area::-webkit-scrollbar {
  width: 4px;
}

.app-scroll-area::-webkit-scrollbar-track {
  background: transparent;
}

.app-scroll-area::-webkit-scrollbar-thumb {
  background: rgba(156, 163, 175, 0.3);
  border-radius: 2px;
}

.app-scroll-area::-webkit-scrollbar-thumb:hover {
  background: rgba(156, 163, 175, 0.5);
}

/* ============================================
  추가 유틸리티
   ============================================ */

/* 둥근 아이콘 버튼 */
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  transition: all 0.2s;
}

.icon-btn:hover {
  background: var(--green-50);
  border-color: var(--green-300);
  color: var(--green-600);
}

/* 프로모션 배너 */
.promo-banner {
  background: linear-gradient(135deg, var(--green-500) 0%, var(--green-600) 100%);
  border-radius: 16px;
  padding: 20px;
  color: white;
}

/* 숫자 뱃지 */
.number-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--green-500);
  color: white;
  font-size: 11px;
  font-weight: 700;
}

/* 구분선 */
.divider {
  height: 1px;
  background: var(--border-light);
  margin: 16px 0;
}

/* 그림자 카드 */
.shadow-card {
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
}