/* ═══════════════════════════════════════════════════════════════════
   루나 역사 Vol.01 — 정약용: 한 사람이 강진에서 18년
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --hist-indigo:  #1B2645;   /* A — 사람 (조선 궁중) */
  --hist-indigo-d:#0E1530;
  --hist-gold:    #D4A437;
  --hist-crimson: #6B1E2C;   /* B — 신유박해 */
  --hist-crimson-d:#3E0E18;
  --hist-charcoal:#2E2A2A;
  --hist-sage:    #87A878;   /* C — 강진 18년 */
  --hist-sage-d:  #5A7551;
  --hist-beige:   #C9B79A;
  --hist-wine:    #6B2C39;   /* D — 후세 */
  --hist-wine-d:  #4A1F28;
  --hist-cream:   #E8DCC0;
}

/* ─── 공통 강 spread ────── */
.art-img-page {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  background: var(--mag-cream); overflow: hidden;
}
.art-img-page .art-img-wrap { position: relative; flex: 1; overflow: hidden; }
.art-img-page .art-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.art-img-page .art-chip {
  position: absolute; top: 24px; left: 24px;
  font-family: var(--mag-font-mono);
  font-size: 9.5px; letter-spacing: 0.32em; font-weight: 700;
  text-transform: uppercase;
  background: rgba(255,255,255,0.92);
  padding: 7px 14px; border-radius: 100px;
  color: var(--mag-indigo);
  box-shadow: 0 4px 14px rgba(0,0,0,0.10); z-index: 3;
}
.art-img-page .art-chip .dot {
  display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; margin-right: 8px; vertical-align: middle;
}
.art-img-page .art-caption {
  position: absolute; left: 24px; bottom: 24px; right: 24px;
  background: rgba(255,255,255,0.92);
  padding: 14px 16px; border-radius: 4px;
  font-family: var(--mag-font-serif);
  font-size: 11.5px; line-height: 1.55;
  color: var(--mag-ink-mute); font-style: italic;
  z-index: 3; box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

.art-text-page {
  position: absolute; inset: 0;
  background: var(--mag-paper);
  padding: 56px 56px 40px;
  display: flex; flex-direction: column; overflow: hidden;
}
.art-text-page .art-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 10px; letter-spacing: 0.36em; font-weight: 700;
  text-transform: uppercase; margin-bottom: 12px;
}
.art-text-page .art-headline {
  font-family: var(--mag-font-display);
  font-size: 30px; line-height: 1.18; font-weight: 800;
  letter-spacing: -0.02em; color: var(--mag-indigo);
  margin: 0 0 12px;
}
.art-text-page .art-headline em { font-style: italic; }
.art-text-page .art-deck {
  font-family: var(--mag-font-serif);
  font-size: 13.5px; line-height: 1.65;
  color: var(--mag-ink-mute); font-style: italic;
  margin: 0 0 20px; padding-bottom: 18px;
  border-bottom: 1px dashed var(--mag-line);
}
.art-text-page .art-essay p {
  font-family: var(--mag-font-serif);
  font-size: 12.5px; line-height: 1.78;
  color: var(--mag-ink); margin: 0 0 12px;
  text-align: left; word-break: keep-all;
}
.art-text-page .art-essay p:first-child::first-letter {
  font-family: var(--mag-font-display);
  font-size: 38px; line-height: 0.9; font-weight: 800;
  float: left; margin: 4px 8px 0 0; letter-spacing: -0.02em;
}
.art-text-page .art-essay p strong {
  background: linear-gradient(transparent 60%, rgba(212,164,55,0.32) 60%);
  font-weight: 600;
}

.art-text-page .art-thumbs {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 6px; margin: 14px 0 4px;
}
.art-text-page .art-thumbs figure {
  margin: 0; position: relative; aspect-ratio: 1 / 1;
  overflow: hidden; border-radius: 3px; background: var(--mag-line);
}
.art-text-page .art-thumbs img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.4s ease;
}
.art-text-page .art-thumbs figure:hover img { transform: scale(1.06); }
.art-text-page .art-thumbs figcaption {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.62));
  color: rgba(255,255,255,0.92);
  font-family: var(--mag-font-mono);
  font-size: 7.5px; letter-spacing: 0.18em; font-weight: 700;
  padding: 14px 4px 4px; text-align: center;
  text-transform: uppercase; pointer-events: none;
}

.art-text-page .art-meta {
  margin-top: auto; padding-top: 16px;
  border-top: 1px dashed var(--mag-line);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 10px; margin-bottom: 14px;
}
.art-text-page .art-meta-item {
  font-family: var(--mag-font-mono);
  font-size: 9px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--mag-ink-mute);
  line-height: 1.3;
}
.art-text-page .art-meta-item b {
  display: block; font-family: var(--mag-font-display);
  font-size: 13px; font-weight: 700; letter-spacing: -0.01em;
  color: var(--mag-indigo); margin-top: 3px; text-transform: none;
}
.art-text-page .art-dialogue {
  background: linear-gradient(135deg, rgba(212,164,55,0.10), rgba(212,164,55,0.04));
  border-left: 3px solid currentColor;
  padding: 12px 14px;
  font-family: var(--mag-font-serif);
  font-size: 11.5px; line-height: 1.6;
  color: var(--mag-indigo); font-style: italic;
}
.art-text-page .art-dialogue::before {
  content: "“"; font-family: var(--mag-font-display);
  font-size: 32px; font-weight: 800; color: currentColor;
  float: left; line-height: 1; margin: -2px 8px -8px 0;
}

.spread-a .art-chip { color: var(--hist-indigo); }
.spread-a .art-chip .dot { background: var(--hist-gold); }
.spread-a .art-eyebrow { color: var(--hist-indigo); }
.spread-a .art-essay p strong { background: linear-gradient(transparent 60%, rgba(212,164,55,0.32) 60%); }
.spread-a .art-dialogue { color: var(--hist-indigo); background: linear-gradient(135deg, rgba(212,164,55,0.12), rgba(212,164,55,0.04)); }

.spread-b .art-chip { color: var(--hist-crimson-d); }
.spread-b .art-chip .dot { background: var(--hist-crimson); }
.spread-b .art-eyebrow { color: var(--hist-crimson-d); }
.spread-b .art-essay p strong { background: linear-gradient(transparent 60%, rgba(107,30,44,0.22) 60%); }
.spread-b .art-dialogue { color: var(--hist-crimson-d); background: linear-gradient(135deg, rgba(107,30,44,0.10), rgba(107,30,44,0.02)); }

.spread-c .art-chip { color: var(--hist-sage-d); }
.spread-c .art-chip .dot { background: var(--hist-sage); }
.spread-c .art-eyebrow { color: var(--hist-sage-d); }
.spread-c .art-essay p strong { background: linear-gradient(transparent 60%, rgba(135,168,120,0.30) 60%); }
.spread-c .art-dialogue { color: var(--hist-sage-d); background: linear-gradient(135deg, rgba(135,168,120,0.10), rgba(135,168,120,0.02)); }

.spread-d .art-chip { color: var(--hist-wine-d); }
.spread-d .art-chip .dot { background: var(--hist-wine); }
.spread-d .art-eyebrow { color: var(--hist-wine-d); }
.spread-d .art-essay p strong { background: linear-gradient(transparent 60%, rgba(107,44,57,0.22) 60%); }
.spread-d .art-dialogue { color: var(--hist-wine-d); background: linear-gradient(135deg, rgba(107,44,57,0.10), rgba(107,44,57,0.02)); }

/* ─── 표지 ─── */
.p01 {
  background: radial-gradient(ellipse at 50% 35%, rgba(27,38,69,0.18) 0%, transparent 55%), var(--mag-paper);
  position: relative; overflow: hidden;
}
.p01-mast {
  position: absolute; top: 28px; left: 28px; right: 28px;
  display: flex; justify-content: space-between; align-items: flex-start; z-index: 5;
}
.p01-mast-title {
  font-family: var(--mag-font-display);
  font-size: 22px; font-weight: 800;
  color: var(--mag-indigo); line-height: 1;
}
.p01-mast-title small {
  display: block; font-family: var(--mag-font-mono);
  font-size: 8px; letter-spacing: 0.32em; font-weight: 600;
  color: var(--hist-indigo); margin-top: 6px; text-transform: uppercase;
}
.p01-issue-tag {
  text-align: right; font-family: var(--mag-font-mono);
  font-size: 8.5px; letter-spacing: 0.18em;
}
.p01-issue-tag .vol { color: var(--mag-ink-mute); text-transform: uppercase; }
.p01-issue-tag .num {
  font-family: var(--mag-font-display);
  font-size: 32px; font-weight: 800;
  color: var(--hist-indigo); letter-spacing: -0.04em;
  line-height: 1; margin: 4px 0 2px;
}
.p01-issue-tag .date { color: var(--mag-ink-mute); text-transform: uppercase; }
.p01-visual {
  position: absolute; top: 90px; left: 50%;
  transform: translateX(-50%); width: 88%;
  aspect-ratio: 4 / 5; max-height: 540px;
  border-radius: 4px; overflow: hidden;
  box-shadow: 0 16px 40px rgba(27,38,69,0.20);
}
.p01-visual img { width: 100%; height: 100%; object-fit: cover; }
.p01-headline {
  position: absolute; bottom: 92px; left: 28px; right: 28px;
  text-align: center; z-index: 5;
}
.p01-headline-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 9px; letter-spacing: 0.5em; font-weight: 700;
  color: var(--mag-ink-mute); text-transform: uppercase; margin-bottom: 12px;
}
.p01-headline-title {
  font-family: var(--mag-font-display);
  font-size: 44px; line-height: 1; font-weight: 800;
  color: var(--mag-indigo); letter-spacing: -0.04em; margin: 0 0 10px;
}
.p01-headline-title em { font-style: italic; color: var(--hist-indigo); }
.p01-headline-deck {
  font-family: var(--mag-font-serif);
  font-size: 11.5px; line-height: 1.55;
  color: var(--mag-ink-mute); font-style: italic;
  max-width: 360px; margin: 0 auto;
}
.p01-foot {
  position: absolute; bottom: 24px; left: 28px; right: 28px;
  display: flex; justify-content: space-between;
  font-family: var(--mag-font-mono);
  font-size: 8px; letter-spacing: 0.32em;
  color: var(--mag-ink-mute); text-transform: uppercase;
}

/* P02 에디터 레터 */
.p02 {
  position: absolute; inset: 0;
  background: var(--mag-paper);
  padding: 56px 48px 40px;
  display: flex; flex-direction: column;
}
.p02-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 10px; letter-spacing: 0.4em; font-weight: 700;
  color: var(--hist-indigo); text-transform: uppercase;
  margin-bottom: 28px; padding-bottom: 14px;
  border-bottom: 1px solid var(--mag-line);
}
.p02-letter p {
  font-family: var(--mag-font-serif);
  font-size: 12.5px; line-height: 1.78;
  color: var(--mag-ink); margin: 0 0 12px;
  text-align: left; word-break: keep-all;
}
.p02-letter p:first-child::first-letter {
  font-family: var(--mag-font-display);
  font-size: 44px; line-height: 0.9; font-weight: 800;
  color: var(--hist-indigo); float: left;
  margin: 4px 8px 0 0; letter-spacing: -0.02em;
}
.p02-sign {
  margin-top: auto; padding-top: 16px;
  border-top: 1px dashed var(--mag-line);
  font-family: var(--mag-font-serif);
  font-size: 11px; font-style: italic;
  color: var(--mag-ink-mute); text-align: right;
}
.p02-sign b {
  font-family: var(--mag-font-display);
  font-size: 13px; font-weight: 700; color: var(--mag-indigo); font-style: normal;
}

/* P03 목차 */
.p03 {
  position: absolute; inset: 0;
  background: var(--mag-paper);
  padding: 56px 48px 40px;
  display: flex; flex-direction: column;
}
.p03-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 10px; letter-spacing: 0.4em; font-weight: 700;
  color: var(--hist-indigo); text-transform: uppercase; margin-bottom: 14px;
}
.p03-title {
  font-family: var(--mag-font-display);
  font-size: 32px; line-height: 1.1; font-weight: 800;
  color: var(--mag-indigo); letter-spacing: -0.03em;
  margin: 0 0 22px; padding-bottom: 14px;
  border-bottom: 2px solid var(--mag-indigo);
}
.p03-toc { display: flex; flex-direction: column; gap: 14px; }
.p03-chapter {
  display: flex; align-items: flex-start; gap: 14px;
  padding-bottom: 12px; border-bottom: 1px dashed var(--mag-line);
}
.p03-chapter:last-child { border-bottom: none; }
.p03-chap-num {
  font-family: var(--mag-font-display);
  font-size: 28px; font-weight: 800; letter-spacing: -0.04em;
  line-height: 0.9; min-width: 42px; text-align: center; padding-top: 2px;
}
.p03-chap-body { flex: 1; }
.p03-chap-title {
  font-family: var(--mag-font-display);
  font-size: 16px; font-weight: 800;
  color: var(--mag-indigo); letter-spacing: -0.01em; margin: 0 0 4px;
}
.p03-chap-deck {
  font-family: var(--mag-font-serif);
  font-size: 10.5px; line-height: 1.55;
  color: var(--mag-ink-mute); font-style: italic; margin: 0 0 6px;
}
.p03-chap-pages {
  font-family: var(--mag-font-mono);
  font-size: 8.5px; letter-spacing: 0.24em;
  color: var(--mag-ink-mute); text-transform: uppercase;
}
.p03-toc .ch-a .p03-chap-num { color: var(--hist-indigo); }
.p03-toc .ch-b .p03-chap-num { color: var(--hist-crimson-d); }
.p03-toc .ch-c .p03-chap-num { color: var(--hist-sage-d); }
.p03-toc .ch-d .p03-chap-num { color: var(--hist-wine-d); }

/* 챕터 인트로 */
.art-chapter-intro {
  position: absolute; inset: 0;
  padding: 56px 48px;
  display: flex; flex-direction: column; justify-content: space-between;
  color: white; overflow: hidden;
}
.art-chapter-intro::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.10) 1.4px, transparent 1.8px);
  background-size: 24px 24px; opacity: 0.6; pointer-events: none;
}
.art-chapter-intro .ci-num {
  font-family: var(--mag-font-display);
  font-size: 96px; line-height: 0.9; font-weight: 800;
  letter-spacing: -0.05em; position: relative; z-index: 2;
}
.art-chapter-intro .ci-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 9.5px; letter-spacing: 0.4em; font-weight: 700;
  text-transform: uppercase; margin-bottom: 8px; opacity: 0.85;
  position: relative; z-index: 2;
}
.art-chapter-intro .ci-title {
  font-family: var(--mag-font-display);
  font-size: 40px; line-height: 1.05; font-weight: 800;
  letter-spacing: -0.03em; margin: 0 0 14px;
  position: relative; z-index: 2;
}
.art-chapter-intro .ci-title em { font-style: italic; }
.art-chapter-intro .ci-deck {
  font-family: var(--mag-font-serif);
  font-size: 13px; line-height: 1.7; font-style: italic;
  opacity: 0.92; margin: 0 0 18px;
  position: relative; z-index: 2; word-break: keep-all;
}
.art-chapter-intro .ci-pull {
  font-family: var(--mag-font-display);
  font-size: 22px; line-height: 1.25; font-weight: 700;
  letter-spacing: -0.02em;
  border-top: 1px solid rgba(255,255,255,0.4);
  padding-top: 16px;
  position: relative; z-index: 2; word-break: keep-all;
}
.art-chapter-intro .ci-foot {
  font-family: var(--mag-font-mono);
  font-size: 8px; letter-spacing: 0.32em;
  text-transform: uppercase; opacity: 0.7;
  position: relative; z-index: 2;
}

.intro-a { background: linear-gradient(135deg, var(--hist-indigo-d), var(--hist-indigo)); }
.intro-b { background: linear-gradient(135deg, var(--hist-crimson-d), var(--hist-crimson)); }
.intro-c { background: linear-gradient(135deg, var(--hist-sage-d), var(--hist-sage)); }
.intro-d { background: linear-gradient(135deg, var(--hist-wine-d), var(--hist-wine)); }

/* 챕터 TOC */
.art-chapter-toc {
  position: absolute; inset: 0;
  background: var(--mag-paper);
  padding: 56px 48px 40px;
  display: flex; flex-direction: column;
}
.art-chapter-toc .ct-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 10px; letter-spacing: 0.36em; font-weight: 700;
  text-transform: uppercase; margin-bottom: 12px;
}
.art-chapter-toc .ct-title {
  font-family: var(--mag-font-display);
  font-size: 26px; line-height: 1.1; font-weight: 800;
  color: var(--mag-indigo); letter-spacing: -0.02em; margin: 0 0 6px;
}
.art-chapter-toc .ct-deck {
  font-family: var(--mag-font-serif);
  font-size: 12px; line-height: 1.65;
  color: var(--mag-ink-mute); font-style: italic;
  margin: 0 0 18px; padding-bottom: 14px;
  border-bottom: 1px dashed var(--mag-line);
}
.art-chapter-toc .ct-list { display: flex; flex-direction: column; gap: 12px; }
.art-chapter-toc .ct-row {
  display: flex; gap: 12px; align-items: flex-start;
  padding-bottom: 10px; border-bottom: 1px dashed var(--mag-line);
}
.art-chapter-toc .ct-row:last-child { border-bottom: none; }
.art-chapter-toc .ct-row-num {
  font-family: var(--mag-font-display);
  font-size: 18px; font-weight: 800; letter-spacing: -0.02em;
  min-width: 32px; line-height: 1.1;
}
.art-chapter-toc .ct-row-body { flex: 1; }
.art-chapter-toc .ct-row-title {
  font-family: var(--mag-font-display);
  font-size: 13px; font-weight: 700; color: var(--mag-indigo);
  letter-spacing: -0.01em; margin: 0 0 3px; line-height: 1.3;
}
.art-chapter-toc .ct-row-meta {
  font-family: var(--mag-font-mono);
  font-size: 8.5px; letter-spacing: 0.18em;
  color: var(--mag-ink-mute); text-transform: uppercase;
}
.toc-a .ct-eyebrow, .toc-a .ct-row-num { color: var(--hist-indigo); }
.toc-b .ct-eyebrow, .toc-b .ct-row-num { color: var(--hist-crimson-d); }
.toc-c .ct-eyebrow, .toc-c .ct-row-num { color: var(--hist-sage-d); }
.toc-d .ct-eyebrow, .toc-d .ct-row-num { color: var(--hist-wine-d); }

/* 부록 */
.appendix-page {
  position: absolute; inset: 0;
  background: var(--mag-paper);
  padding: 56px 48px 40px;
  display: flex; flex-direction: column;
}
.appendix-page .ap-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 10px; letter-spacing: 0.4em; font-weight: 700;
  color: var(--hist-charcoal); text-transform: uppercase; margin-bottom: 14px;
}
.appendix-page .ap-title {
  font-family: var(--mag-font-display);
  font-size: 32px; line-height: 1.1; font-weight: 800;
  color: var(--mag-indigo); letter-spacing: -0.03em;
  margin: 0 0 22px; padding-bottom: 14px;
  border-bottom: 2px solid var(--mag-indigo);
}
.appendix-page .ap-img {
  width: 100%; aspect-ratio: 16 / 9;
  overflow: hidden; border-radius: 4px;
  margin-bottom: 18px;
}
.appendix-page .ap-img img { width: 100%; height: 100%; object-fit: cover; }
.appendix-page .ap-content {
  font-family: var(--mag-font-serif);
  font-size: 12px; line-height: 1.7;
  color: var(--mag-ink); word-break: keep-all;
}
.appendix-page .ap-content p { margin: 0 0 10px; }
.appendix-page .ap-content strong {
  background: linear-gradient(transparent 60%, rgba(212,164,55,0.32) 60%); font-weight: 600;
}

/* 콜로폰 */
.colophon {
  position: absolute; inset: 0;
  background: var(--mag-paper);
  padding: 56px 48px 40px;
  display: flex; flex-direction: column;
}
.colophon-eyebrow {
  font-family: var(--mag-font-mono);
  font-size: 10px; letter-spacing: 0.4em; font-weight: 700;
  color: var(--hist-indigo); text-transform: uppercase; margin-bottom: 14px;
}
.colophon-title {
  font-family: var(--mag-font-display);
  font-size: 36px; line-height: 1.05; font-weight: 800;
  color: var(--mag-indigo); letter-spacing: -0.03em; margin: 0 0 22px;
}
.colophon-title em { font-style: italic; color: var(--hist-indigo); }
.colophon-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 22px; margin-bottom: 22px;
}
.colophon-block h4 {
  font-family: var(--mag-font-mono);
  font-size: 9px; letter-spacing: 0.28em; font-weight: 700;
  color: var(--mag-ink-mute); text-transform: uppercase; margin: 0 0 8px;
}
.colophon-block p {
  font-family: var(--mag-font-serif);
  font-size: 11.5px; line-height: 1.65;
  color: var(--mag-ink); margin: 0; word-break: keep-all;
}
.colophon-next {
  margin-top: auto;
  background: linear-gradient(135deg, rgba(27,38,69,0.10), rgba(27,38,69,0.02));
  border-left: 4px solid var(--hist-indigo);
  padding: 14px 18px; margin-bottom: 16px;
}
.colophon-next .nxt-tag {
  font-family: var(--mag-font-mono);
  font-size: 9px; letter-spacing: 0.32em;
  color: var(--hist-indigo); text-transform: uppercase;
  font-weight: 700; margin-bottom: 6px;
}
.colophon-next .nxt-title {
  font-family: var(--mag-font-display);
  font-size: 20px; font-weight: 800;
  color: var(--mag-indigo); letter-spacing: -0.02em; margin: 0 0 4px;
}
.colophon-next .nxt-deck {
  font-family: var(--mag-font-serif);
  font-size: 11px; font-style: italic;
  color: var(--mag-ink-mute); margin: 0;
}
.colophon-foot {
  border-top: 1px dashed var(--mag-line);
  padding-top: 14px;
  display: flex; justify-content: space-between;
  font-family: var(--mag-font-mono);
  font-size: 8.5px; letter-spacing: 0.24em;
  color: var(--mag-ink-mute); text-transform: uppercase;
}

.art-img-page .mag-folio,
.art-text-page .mag-folio,
.art-chapter-toc .mag-folio,
.appendix-page .mag-folio {
  position: absolute; bottom: 14px;
  font-family: var(--mag-font-mono);
  font-size: 8px; letter-spacing: 0.24em;
  color: var(--mag-ink-mute); text-transform: uppercase;
}
.art-img-page .mag-folio { left: 24px; color: rgba(255,255,255,0.85); background: rgba(0,0,0,0.32); padding: 4px 10px; border-radius: 100px; }
.art-text-page .mag-folio { right: 48px; }
.art-chapter-toc .mag-folio { right: 48px; }
.appendix-page .mag-folio { right: 48px; }