@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');

:root {
  /* Toss Color Palette */
  --bg-main: #F2F4F6;
  --bg-card: #FFFFFF;
  --bg-hover: #E5E8EB;
  --primary: #3182F6;
  --primary-hover: #1B64DA;
  --primary-bg: #E8F3FF;
  
  --text-primary: #191F28;
  --text-secondary: #4E5968;
  --text-tertiary: #8B95A1;
  
  --color-holiday: #F04438;
  --color-holiday-bg: #FEE4E2;
  --color-weekend: #8B95A1;
  --color-leave: #3182F6;
  --color-leave-bg: #E8F3FF;
  
  --badge-gold-bg: #FFF3C4;
  --badge-gold-text: #855B00;
  
  --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  
  /* Type Scale */
  --font-hero: 40px;
  --font-title: 24px;
  --font-subtitle: 18px;
  --font-body: 15px;
  --font-small: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  letter-spacing: -0.3px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
}

/* 좁은 폭 앱 레이아웃 (토스 감성) */
.app-container {
  width: 100%;
  max-width: 500px;
  background-color: var(--bg-card);
  min-height: 100vh;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  position: relative;
}

/* 헤더 영역 */
header {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #F2F4F6;
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links {
  display: flex;
  gap: 12px;
}

.nav-links a {
  font-size: var(--font-small);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--primary);
}

#sound-toggle {
  background-color: var(--bg-main);
  border: none;
  border-radius: 20px;
  padding: 6px 12px;
  font-size: var(--font-small);
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
}

#sound-toggle.muted {
  background-color: #FEE4E2;
  color: var(--color-holiday);
}

/* 메인 콘텐츠 */
main {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* 인트로 타이틀 */
.intro-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.intro-section h1 {
  font-size: var(--font-title);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
}

.intro-section p {
  font-size: var(--font-body);
  color: var(--text-secondary);
}

/* 🎡 드럼 피커 섹션 */
.picker-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  background-color: var(--bg-main);
  padding: 24px;
  border-radius: 24px;
  position: relative;
}

.picker-label {
  font-size: var(--font-body);
  font-weight: 600;
  color: var(--text-secondary);
}

.drum-picker-container {
  position: relative;
  width: 160px;
  height: 150px; /* 3개 아이템 노출 */
  overflow: hidden;
}

/* 위아래 페이드 효과를 주어 3D 원통 느낌 극대화 */
.drum-picker-container::before,
.drum-picker-container::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 50px;
  z-index: 2;
  pointer-events: none;
}

.drum-picker-container::before {
  top: 0;
  background: linear-gradient(to bottom, var(--bg-main) 10%, rgba(242, 244, 246, 0) 100%);
}

.drum-picker-container::after {
  bottom: 0;
  background: linear-gradient(to top, var(--bg-main) 10%, rgba(242, 244, 246, 0) 100%);
}

.picker-center-bar {
  position: absolute;
  top: 50px;
  left: 0;
  right: 0;
  height: 50px;
  border-top: 2px solid rgba(49, 130, 246, 0.2);
  border-bottom: 2px solid rgba(49, 130, 246, 0.2);
  pointer-events: none;
  z-index: 1;
}

.drum-picker {
  height: 100%;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

.drum-picker::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.picker-item {
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-tertiary);
  scroll-snap-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
}

.picker-item.selected {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  transform: scale(1.1);
}

.picker-item.dummy {
  height: 50px;
  cursor: default;
}

/* 🗂 결과 카드 섹션 */
.results-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-title {
  font-size: var(--font-subtitle);
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

#results-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.result-card {
  background-color: var(--bg-card);
  border: 1px solid #E5E8EB;
  border-radius: 22px;
  padding: 20px 24px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(49, 130, 246, 0.05);
}

.result-card.active {
  border-color: var(--primary);
  background-color: #F8FBFF;
  box-shadow: 0 8px 24px rgba(49, 130, 246, 0.08);
}

/* 최고 가성비 1위 뱃지용 그라데이션 */
.result-card.best-deal {
  border-width: 1.5px;
}

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

.efficiency-badge {
  font-size: var(--font-small);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 8px;
  background-color: var(--badge-gold-bg);
  color: var(--badge-gold-text);
}

.efficiency-badge.badge-gradient {
  background: linear-gradient(135deg, var(--primary), #80B5FF);
  color: white;
}

.card-tag {
  font-size: var(--font-small);
  color: var(--text-tertiary);
  font-weight: 500;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.duration-display {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.consecutive-days {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
}

.sub-info {
  font-size: var(--font-body);
  color: var(--text-secondary);
  font-weight: 500;
}

.date-range {
  font-size: var(--font-body);
  color: var(--text-secondary);
  font-weight: 500;
}

.expand-arrow {
  font-size: var(--font-small);
  color: var(--text-tertiary);
  font-weight: 500;
  text-align: right;
  margin-top: 4px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 4px;
}

.result-card.active .expand-arrow {
  color: var(--primary);
  font-weight: 600;
}

/* 📅 캘린더 섹션 */
.calendar-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1px solid #F2F4F6;
  padding-top: 32px;
}

#calendar-months-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.calendar-month-card {
  background-color: var(--bg-card);
  border: 1px solid #F2F4F6;
  border-radius: 20px;
  padding: 20px;
}

.calendar-month-title {
  font-size: var(--font-subtitle);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-align: center;
}

.calendar-weekdays-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  margin-bottom: 10px;
}

.calendar-weekday-cell {
  font-size: var(--font-small);
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 0;
}

.calendar-weekday-cell.sunday {
  color: var(--color-holiday);
}

.calendar-weekday-cell.saturday {
  color: #3182F6;
}

.calendar-days-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  row-gap: 8px;
}

.calendar-day-cell {
  min-height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 4px 0;
  position: relative;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.calendar-day-cell.empty {
  pointer-events: none;
}

.day-number {
  font-size: var(--font-body);
  font-weight: 500;
}

/* 휴가 범위 강조 */
.calendar-day-cell.in-vacation {
  background-color: var(--primary-bg);
}

/* 첫날과 끝날을 둥글게 깎아주어 연속감 극대화 */
.calendar-day-cell.in-vacation:first-child,
.calendar-day-cell.in-vacation:nth-child(7n+1) {
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
}
.calendar-day-cell.in-vacation:last-child,
.calendar-day-cell.in-vacation:nth-child(7n) {
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
}

/* 원래 쉬는 날(주말/공휴일) */
.calendar-day-cell.sunday .day-number {
  color: var(--color-holiday);
}

.calendar-day-cell.saturday .day-number {
  color: #3182F6;
}

.calendar-day-cell.holiday-day .day-number {
  color: var(--color-holiday);
  font-weight: 700;
}

/* 휴가 내 공휴일 */
.calendar-day-cell.in-vacation.vacation-rest .day-number {
  color: var(--color-holiday);
}

/* 휴가 내 연차 사용일 (토스 블루 테마) */
.calendar-day-cell.in-vacation.vacation-leave {
  background-color: var(--primary);
  border-radius: 10px;
}

.calendar-day-cell.in-vacation.vacation-leave .day-number {
  color: #FFFFFF;
  font-weight: 700;
}

/* 공휴일 이름 꼬리표 */
.holiday-name-tag {
  font-size: 8px;
  color: var(--color-holiday);
  transform: scale(0.9);
  margin-top: 2px;
  white-space: nowrap;
  font-weight: 600;
  text-align: center;
}

.calendar-day-cell.in-vacation.vacation-leave .holiday-name-tag {
  color: #FFFFFF;
}

/* 연차 뱃지 꼬리표 */
.leave-label-tag {
  font-size: 8px;
  background-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  padding: 1px 4px;
  border-radius: 4px;
  margin-top: 2px;
  transform: scale(0.9);
  font-weight: 700;
}

/* 캘린더 비었을 때 */
.calendar-empty {
  text-align: center;
  padding: 40px;
  color: var(--text-tertiary);
  font-size: var(--font-body);
}

/* 💡 레전드(설명란) */
.calendar-legend {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: var(--font-small);
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 12px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-color {
  width: 14px;
  height: 14px;
  border-radius: 4px;
}

.legend-color.leave {
  background-color: var(--primary);
}

.legend-color.rest {
  background-color: var(--primary-bg);
}

/* 💀 스켈레톤 UI */
.skeleton-card {
  height: 130px;
  background: linear-gradient(90deg, #F2F4F6 25%, #E5E8EB 50%, #F2F4F6 75%);
  background-size: 200% 100%;
  border-radius: 22px;
  animation: shimmer 1.5s infinite;
}

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

/* 🍃 비어있는 상태 / 에러 상태 */
.empty-state {
  text-align: center;
  padding: 48px 24px;
}

.empty-title {
  font-size: var(--font-subtitle);
  font-weight: 700;
  color: var(--text-primary);
}

.empty-subtitle {
  font-size: var(--font-body);
  color: var(--text-secondary);
  margin-top: 6px;
}

/* 푸터 */
footer {
  padding: 40px 24px;
  border-top: 1px solid #F2F4F6;
  text-align: center;
  font-size: var(--font-small);
  color: var(--text-tertiary);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

/* 🎬 애니메이션 */
.fade-in {
  animation: fadeIn 0.4s ease forwards;
  opacity: 0;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 정적 소개 페이지 전용 스타일 */
.content-layout {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.content-layout h1 {
  font-size: var(--font-title);
  color: var(--text-primary);
  font-weight: 800;
}

.content-layout h2 {
  font-size: var(--font-subtitle);
  color: var(--text-primary);
  font-weight: 700;
  margin-top: 12px;
}

.content-layout p {
  font-size: var(--font-body);
  color: var(--text-secondary);
  line-height: 1.6;
}

.content-layout ul {
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: var(--font-body);
  line-height: 1.6;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-body);
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  margin-bottom: 8px;
}