@charset "UTF-8";

/* ===== 디자인 토큰 (모던 동양풍 테마) ===== */
:root {
  --color-paper: #FAF6EE;       /* 한지 바탕색 */
  --color-paper-deep: #F1E7D5;  /* 어두운 황토색 (호버/경계부) */
  --color-ink: #2C2824;         /* 먹색 (텍스트 기본) */
  --color-ink-soft: #5E5347;    /* 옅은 먹색 (설명/주석) */
  --color-gold: #B8935A;        /* 차분한 금색 */
  --color-gold-deep: #8E6E3C;   /* 진한 황금색 */
  --color-dancheong: #C36A5B;   /* 은은한 대추색/단청색 (강조) */
  --color-line: #DFD5C4;        /* 창살/외곽선 색상 */
  --color-glass: rgba(250, 246, 238, 0.75); /* 반투명 유리창 */
  
  --font-serif: 'Noto Serif KR', Georgia, serif;
  --font-sans: 'Noto Sans KR', -apple-system, sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-serif);
  background-color: var(--color-paper);
  color: var(--color-ink);
  line-height: 1.8;
  font-size: 16px;
  background-image: 
    radial-gradient(ellipse at 10% 10%, rgba(184, 147, 90, 0.05), transparent 70%),
    radial-gradient(ellipse at 90% 90%, rgba(94, 83, 71, 0.04), transparent 70%);
  background-attachment: fixed;
}

/* ===== 상단 책 머리 (Sticky Header) ===== */
header.book-head {
  padding: 24px 20px 16px;
  text-align: center;
  border-bottom: 1px solid var(--color-line);
  background: linear-gradient(180deg, #FDFBFAF9, rgba(250, 246, 238, 0.9));
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 10px rgba(44, 40, 36, 0.03);
}

header.book-head .title {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

header.book-head .title em {
  font-style: normal;
  color: var(--color-gold-deep);
  border-bottom: 2px double var(--color-gold);
  padding-bottom: 2px;
}

header.book-head .subtitle {
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-ink-soft);
  font-family: var(--font-sans);
  font-weight: 400;
}

/* ===== 창호문 스타일 버전 탭 ===== */
.version-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 16px auto 0;
  max-width: 600px;
  padding: 0 10px;
}

.vtab {
  flex: 1;
  padding: 10px 14px;
  background: var(--color-paper);
  border: 1.5px solid var(--color-line);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

/* 창살 느낌의 배경 선 */
.vtab::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: 
    linear-gradient(90deg, transparent 49%, var(--color-line) 49%, var(--color-line) 51%, transparent 51%),
    linear-gradient(0deg, transparent 49%, var(--color-line) 49%, var(--color-line) 51%, transparent 51%);
  opacity: 0.35;
  transition: var(--transition);
}

.vtab:hover {
  background-color: var(--color-paper-deep);
  color: var(--color-ink);
}

.vtab.active {
  background-color: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-gold);
  box-shadow: 0 4px 12px rgba(44, 40, 36, 0.15);
}

.vtab.active::before {
  opacity: 0.1;
  background: 
    linear-gradient(90deg, transparent 49%, var(--color-gold) 49%, var(--color-gold) 51%, transparent 51%),
    linear-gradient(0deg, transparent 49%, var(--color-gold) 49%, var(--color-gold) 51%, transparent 51%);
}

/* ===== 레이아웃 배치 ===== */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* ===== 좌측 목차 (TOC Sidebar) ===== */
aside.toc {
  position: sticky;
  top: 150px;
  align-self: start;
  max-height: calc(100vh - 180px);
  overflow-y: auto;
  padding: 20px;
  background-color: rgba(250, 246, 238, 0.5);
  border: 1.5px solid var(--color-line);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
}

aside.toc h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-gold-deep);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--color-line);
  letter-spacing: -0.01em;
}

aside.toc ol {
  list-style: none;
}

aside.toc li {
  margin: 4px 0;
}

aside.toc a {
  display: block;
  padding: 6px 10px;
  border-radius: 4px;
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: var(--transition);
  line-height: 1.5;
}

aside.toc a:hover {
  background-color: var(--color-paper-deep);
  color: var(--color-ink);
  padding-left: 14px;
}

aside.toc a.prologue {
  color: var(--color-gold-deep);
  font-weight: 700;
}

aside.toc .toc-divider {
  margin: 14px 0 8px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-gold-deep);
  letter-spacing: 0.08em;
  border-top: 1px dashed var(--color-line);
  pointer-events: none;
}

aside.toc .toc-tag {
  display: inline-block;
  font-size: 10px;
  padding: 1px 6px;
  background-color: var(--color-dancheong);
  color: #FFF;
  border-radius: 10px;
  margin-left: 6px;
  vertical-align: middle;
  font-weight: 700;
}

/* ===== 본문 영역 ===== */
main.content {
  background: var(--color-paper);
  border: 1.5px solid var(--color-line);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(44, 40, 36, 0.05);
  padding: 40px clamp(20px, 5vw, 60px);
  min-height: calc(100vh - 250px);
}

.view {
  animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 장(Chapter) 스타일 ===== */
section.chapter {
  padding: 24px 0 48px;
  border-bottom: 1.5px solid var(--color-line);
  scroll-margin-top: 140px;
}

section.chapter:last-of-type {
  border-bottom: none;
}

section.chapter .ch-num {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--color-gold-deep);
  padding: 2px 12px;
  border: 1px solid var(--color-gold);
  border-radius: 20px;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  font-weight: 500;
}

section.chapter h2 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.5vw, 28px);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 8px;
  line-height: 1.35;
}

section.chapter .subhead {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-ink-soft);
  margin-bottom: 24px;
  font-weight: 400;
  opacity: 0.85;
}

section.chapter h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  margin: 28px 0 12px;
  color: var(--color-gold-deep);
  padding-left: 12px;
  border-left: 3px solid var(--color-gold);
}

section.chapter p {
  margin: 14px 0;
  color: var(--color-ink);
  text-align: justify;
}

section.chapter blockquote {
  margin: 20px 0;
  padding: 16px 20px;
  background-color: var(--color-paper-deep);
  border-left: 4px solid var(--color-dancheong);
  color: var(--color-ink-soft);
  font-style: italic;
  border-radius: 0 8px 8px 0;
  font-size: 15px;
}

section.chapter ul, section.chapter ol {
  margin: 14px 0 14px 28px;
  color: var(--color-ink);
}

section.chapter li {
  margin: 6px 0;
}

section.chapter .box {
  background-color: rgba(241, 231, 213, 0.4);
  border: 1px dashed var(--color-gold);
  border-radius: 8px;
  padding: 18px 22px;
  margin: 22px 0;
}

section.chapter .box .box-title {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-gold-deep);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

/* ===== 클로드 협업 도구 패널 (co-work-panel) ===== */
.co-work-panel {
  margin-top: 32px;
  padding: 20px;
  background: linear-gradient(135deg, var(--color-paper-deep), rgba(250, 246, 238, 0.9));
  border: 1.5px solid var(--color-line);
  border-radius: 10px;
  font-family: var(--font-sans);
  box-shadow: 0 2px 8px rgba(44, 40, 36, 0.02);
}

.co-work-panel .panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-ink-soft);
  font-weight: 700;
  margin-bottom: 12px;
}

.co-work-panel .panel-title svg {
  fill: var(--color-gold-deep);
}

.co-work-panel .co-work-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.co-btn {
  flex: 1 1 180px;
  min-width: 140px;
  padding: 10px 14px;
  background-color: var(--color-paper);
  border: 1.5px solid var(--color-gold);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.co-btn:hover {
  background-color: var(--color-gold-deep);
  color: var(--color-paper);
  border-color: var(--color-gold-deep);
  box-shadow: 0 2px 6px rgba(142, 110, 60, 0.2);
}

.co-btn.copied {
  background-color: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-ink);
}

/* ===== Toast 알림창 ===== */
#toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding: 12px 24px;
  border-radius: 30px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 999;
}

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

/* ===== 푸터 ===== */
footer {
  text-align: center;
  padding: 48px 24px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-ink-soft);
  border-top: 1.5px solid var(--color-line);
  background-color: rgba(250, 246, 238, 0.4);
}

footer .seal {
  display: inline-block;
  padding: 2px 8px;
  border: 1.5px solid var(--color-dancheong);
  color: var(--color-dancheong);
  border-radius: 4px;
  font-family: var(--font-serif);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

/* ===== 모바일 반응형 디자인 ===== */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px 16px;
  }
  
  aside.toc {
    position: static;
    max-height: none;
    margin-bottom: 12px;
  }
  
  aside.toc ol {
    display: none;
    margin-top: 10px;
  }
  
  aside.toc.expanded ol {
    display: block;
  }
  
  aside.toc h4 {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
  }
  
  aside.toc.expanded h4 {
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--color-line);
  }
  
  aside.toc h4::after {
    content: "펼치기 ▼";
    font-size: 12px;
    color: var(--color-gold-deep);
    font-weight: normal;
  }
  
  aside.toc.expanded h4::after {
    content: "접기 ▲";
  }
  
  header.book-head {
    padding: 16px 12px 12px;
  }
  
  main.content {
    padding: 28px 20px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15.5px;
  }
  
  .version-tabs {
    gap: 6px;
  }
  
  .vtab {
    font-size: 12.5px;
    padding: 8px 10px;
  }
}

/* 인쇄 스타일 */
@media print {
  header.book-head, aside.toc, .co-work-panel, footer, #toast, .lang-toggle, .qr-container, .local-memo, #chatbot-btn, #chatbot-drawer, #explorer-dashboard, #sandbox-container {
    display: none !important;
  }
  main.content {
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }
  section.chapter {
    page-break-inside: avoid;
  }
}

/* ===== 🌐 다국어 토글 스타일 (목판 토글 단추) ===== */
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 12px;
}
.lang-toggle {
  display: flex;
  border: 1.5px solid var(--color-line);
  border-radius: 4px;
  overflow: hidden;
  background-color: var(--color-paper);
}
.lang-btn {
  padding: 6px 12px;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: var(--transition);
}
.lang-btn.active {
  background-color: var(--color-ink);
  color: var(--color-paper);
}

/* ===== 🏮 QR 코드 단정 박스 (동양풍 낙관 테마) ===== */
.qr-container {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: rgba(241, 231, 213, 0.3);
  border: 1px dashed var(--color-gold);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 22px 0;
}
.qr-seal {
  width: 54px;
  height: 54px;
  border: 2px solid var(--color-dancheong);
  color: var(--color-dancheong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  border-radius: 4px;
  background: #FFF;
  box-shadow: 0 2px 6px rgba(195, 106, 91, 0.12);
  flex-shrink: 0;
}
.qr-info {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--color-ink-soft);
  line-height: 1.5;
}
.qr-info strong {
  color: var(--color-ink);
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
}

/* ===== ✍️ 벼루 메모장 스타일 ===== */
textarea.local-memo {
  width: 100%;
  height: 90px;
  padding: 12px;
  border: 1.5px solid var(--color-line);
  border-radius: 6px;
  background-color: #FCFAF6;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: var(--transition);
}
textarea.local-memo:focus {
  border-color: var(--color-gold-deep);
  background-color: #FFF;
  box-shadow: 0 0 8px rgba(184, 147, 90, 0.15);
}

/* ===== 💬 플로팅 챗봇 드로어 (Chatbot Drawer) ===== */
#chatbot-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background-color: var(--color-dancheong);
  color: #FFF;
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(195, 106, 91, 0.3);
  cursor: pointer;
  z-index: 1000;
  transition: var(--transition);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.05em;
}
#chatbot-btn:hover {
  transform: scale(1.08) rotate(5deg);
  background-color: #B55B4C;
  box-shadow: 0 6px 20px rgba(195, 106, 91, 0.4);
}
#chatbot-drawer {
  position: fixed;
  top: 0;
  right: -380px;
  width: 360px;
  height: 100%;
  background-color: var(--color-paper);
  border-left: 2px solid var(--color-line);
  box-shadow: -4px 0 24px rgba(44, 40, 36, 0.1);
  z-index: 999;
  transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
  padding: 80px 20px 20px;
  font-family: var(--font-sans);
}
#chatbot-drawer.open {
  right: 0;
}
.drawer-head {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1.5px solid var(--color-line);
  padding-bottom: 10px;
}
.drawer-head h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-gold-deep);
}
.drawer-close {
  background: transparent;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-ink-soft);
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  margin: 10px 0;
  padding-right: 6px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-msg {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  line-height: 1.5;
  max-width: 85%;
}
.chat-msg.user {
  background-color: var(--color-paper-deep);
  color: var(--color-ink);
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}
.chat-msg.bot {
  background-color: #FFF;
  color: var(--color-ink);
  border: 1px solid var(--color-line);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}
.chat-input-area {
  display: flex;
  gap: 8px;
  margin-top: auto;
}
.chat-input {
  flex: 1;
  padding: 8px 12px;
  border: 1.5px solid var(--color-line);
  border-radius: 4px;
  background-color: #FFF;
  color: var(--color-ink);
  outline: none;
  font-size: 13px;
}
.chat-send {
  padding: 8px 14px;
  background-color: var(--color-ink);
  color: var(--color-paper);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  transition: var(--transition);
}
.chat-send:hover {
  background-color: var(--color-gold-deep);
}

/* ===== 🪙 10일 탐험 마일리지 대시보드 ===== */
#explorer-dashboard {
  background: linear-gradient(135deg, rgba(241, 231, 213, 0.4), var(--color-paper));
  border: 1.5px solid var(--color-gold);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 24px;
  font-family: var(--font-sans);
}
.dashboard-title {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--color-gold-deep);
  margin-bottom: 12px;
  border-bottom: 1px dashed var(--color-line);
  padding-bottom: 6px;
  display: flex;
  justify-content: space-between;
}
.mileage-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13.5px;
  color: var(--color-ink-soft);
}
.ink-point {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dancheong);
  font-family: var(--font-serif);
}

/* ===== 💻 입코딩 실시간 샌드박스 (Live Playground) ===== */
#sandbox-container {
  border: 1.5px solid var(--color-line);
  border-radius: 8px;
  margin: 24px 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: 40px 220px 200px;
  background-color: #FFF;
}
.sandbox-header {
  background-color: var(--color-paper-deep);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 14px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--color-ink);
}
.sandbox-run {
  background-color: var(--color-dancheong);
  color: #FFF;
  border: none;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11.5px;
  transition: var(--transition);
}
.sandbox-run:hover {
  background-color: var(--color-ink);
}
.sandbox-editor {
  width: 100%;
  height: 100%;
  border: none;
  resize: none;
  font-family: 'Fira Code', Consolas, monospace;
  font-size: 12px;
  padding: 12px;
  background-color: #2e2a24;
  color: #f8f6f2;
  outline: none;
}
.sandbox-preview {
  width: 100%;
  height: 100%;
  border: none;
  background-color: #FFF;
}

/* ===== 📚 데일리 에이전트 도감 스타일 (Daily Agent Encyclopedia) ===== */
.encyclopedia-section {
  margin-top: 40px;
  border-top: 2.5px double var(--color-line);
  padding-top: 32px;
}
.encyclopedia-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.agent-card {
  background-color: var(--color-glass);
  border: 1.5px solid var(--color-line);
  border-radius: 6px;
  padding: 22px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(44, 40, 36, 0.02);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.agent-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: 0 8px 20px rgba(184, 147, 90, 0.12);
}
.agent-card-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 12px;
}
.agent-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-ink);
}
.agent-role-badge {
  font-family: var(--font-sans);
  font-size: 11px;
  padding: 2px 8px;
  background-color: var(--color-paper-deep);
  color: var(--color-gold-deep);
  border-radius: 4px;
  font-weight: 700;
}
.agent-desc {
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--color-ink-soft);
  line-height: 1.5;
  margin-bottom: 14px;
  flex: 1;
}
.agent-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--color-ink-soft);
  font-family: var(--font-sans);
  border-top: 1px dashed var(--color-line);
  padding-top: 10px;
  margin-top: auto;
}
.agent-seal-stamp {
  position: absolute;
  bottom: 24px;
  right: 20px;
  width: 46px;
  height: 46px;
  border: 1.5px solid rgba(195, 106, 91, 0.25);
  color: rgba(195, 106, 91, 0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 10px;
  font-weight: 700;
  transform: rotate(-15deg);
  pointer-events: none;
}

/* ===== 버전 배지 (v1.1) ===== */
.version-badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-paper);
  background-color: var(--color-dancheong);
  padding: 2px 8px;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: 8px;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 5px rgba(195, 106, 91, 0.2);
}

/* ===== 상단 액션 그룹 ===== */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.action-btn {
  padding: 6px 12px;
  border: 1.5px solid var(--color-gold);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
}

.pwa-btn {
  background-color: var(--color-dancheong);
  color: var(--color-paper);
  border-color: var(--color-dancheong);
  display: none; /* beforeinstallprompt 발생 전까지 기본 숨김 */
}

.pwa-btn:hover {
  background-color: #B55B4C;
  border-color: #B55B4C;
  box-shadow: 0 2px 6px rgba(195, 106, 91, 0.3);
}

.share-btn {
  background-color: var(--color-gold);
  color: var(--color-paper);
}

.share-btn:hover {
  background-color: var(--color-gold-deep);
  border-color: var(--color-gold-deep);
  box-shadow: 0 2px 6px rgba(184, 147, 90, 0.3);
}

/* ===== 📢 공유 모달 스타일 ===== */
.modal {
  display: none; 
  position: fixed; 
  z-index: 2000; 
  left: 0;
  top: 0;
  width: 100%; 
  height: 100%; 
  overflow: auto; 
  background-color: rgba(44, 40, 36, 0.5); 
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  justify-content: center;
  align-items: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background-color: var(--color-paper);
  border: 2px solid var(--color-gold);
  border-radius: 12px;
  width: 90%;
  max-width: 420px;
  padding: 32px 24px;
  box-shadow: 0 12px 36px rgba(44, 40, 36, 0.18);
  position: relative;
  text-align: center;
  font-family: var(--font-sans);
  animation: modalScaleIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalScaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-content h3 {
  font-family: var(--font-serif);
  color: var(--color-ink);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-content p {
  font-size: 13px;
  color: var(--color-ink-soft);
  line-height: 1.6;
  margin-bottom: 16px;
}

.modal-content .close-btn {
  position: absolute;
  top: 14px;
  right: 18px;
  color: var(--color-ink-soft);
  font-size: 26px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
}

.modal-content .close-btn:hover {
  color: var(--color-dancheong);
}

.qr-code-wrapper {
  margin: 12px auto 18px;
  padding: 12px;
  background-color: #FFF;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  display: inline-block;
  box-shadow: 0 4px 12px rgba(44, 40, 36, 0.05);
}

.share-link-wrapper {
  display: flex;
  gap: 8px;
  max-width: 340px;
  margin: 0 auto;
}

.share-link-wrapper input {
  flex: 1;
  padding: 8px 12px;
  border: 1.5px solid var(--color-line);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  background-color: #FCFAF6;
  color: var(--color-ink);
  font-family: var(--font-sans);
}

.share-link-wrapper input:focus {
  border-color: var(--color-gold);
  background-color: #FFF;
}