:root { --abyss: #130c06; --wood: #4a2e1a; --wood-hi: #6f4727; --paper: #f3ead8; --ink: #2b2118; --gold: #d9b45a; --text: #f1e6d2; --soft: #c2ad8c;
  --pad: max(clamp(16px, 5vw, 96px), calc((100% - 1240px) / 2));
  --disp: "Space Grotesk", "Noto Sans KR", sans-serif; --body: "Noto Sans KR", "Space Grotesk", sans-serif; --serif: "Noto Serif KR", "Noto Sans KR", serif; }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { min-height: 100vh; font: 400 1rem/1.75 var(--body); color: var(--text); -webkit-font-smoothing: antialiased; overflow-x: hidden;
  background: radial-gradient(ellipse 70% 38% at 50% 0, rgba(255,190,110,.2), transparent 70%), linear-gradient(180deg, #2a1a0e 0, #1a1008 40%, var(--abyss) 100%) no-repeat; background-color: var(--abyss); }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
[hidden] { display: none !important; }
.eyebrow { font: 500 .78rem/1.4 var(--disp); letter-spacing: .24em; text-transform: uppercase; color: var(--gold); }

.bar { position: fixed; inset: 0 0 auto; z-index: 5; display: flex; justify-content: space-between; align-items: center; padding: 16px clamp(16px, 2.2vw, 44px);
  font: 500 .85rem var(--disp); letter-spacing: .08em; background: rgba(26,16,8,.72); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(217,180,90,.22); }
.bar a:hover { color: var(--gold); }
.lang { display: flex; gap: 6px; align-items: center; color: var(--soft); }
.lang button { font: 700 .8rem var(--disp); padding: 2px 4px; opacity: .6; }
.lang button.on { opacity: 1; color: var(--gold); border-bottom: 2px solid var(--gold); }

main { padding: 110px var(--pad) 80px; min-height: 80vh; }

.intro { margin-bottom: 38px; }
.intro h1 { font: 900 clamp(2rem, 6vw, 3.6rem)/1.15 var(--serif); margin: 10px 0 12px; text-shadow: 0 0 30px rgba(255,190,110,.3); }

/* ---- 책장 ---- */
.shelves { display: grid; gap: 44px; }
.case { position: relative; padding: 34px 34px 18px; border-radius: 6px 6px 3px 3px;
  background: repeating-linear-gradient(90deg, rgba(0,0,0,.18) 0 2px, transparent 2px 7px), linear-gradient(90deg, var(--wood), #3a2314 50%, var(--wood));
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.45), inset 0 2px 0 rgba(255,220,170,.18), 0 30px 50px -24px #000; }
.case::before { content: ""; position: absolute; inset: 34px 34px 18px; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, #1a0f08, #281910); box-shadow: inset 0 0 40px rgba(0,0,0,.7); }

.board { position: relative; z-index: 1; }
.books { display: flex; align-items: flex-end; gap: 4px; min-height: 285px; padding: 14px 10px 0; flex-wrap: nowrap; }
.blank { align-self: center; margin: 0 auto; padding-bottom: 80px; color: rgba(194,173,140,.45); font: 400 .9rem var(--serif); letter-spacing: .1em; }
.plank { height: 18px; background: linear-gradient(180deg, var(--wood-hi), #55361d 40%, #3a2314); border-top: 1px solid rgba(255,220,170,.28);
  box-shadow: 0 10px 14px -4px rgba(0,0,0,.7); }

.book { position: relative; flex: none; width: var(--w); height: var(--h); display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 6px; padding: 12px 0 14px;
  color: #fff3dc; border-radius: 3px 3px 1px 1px; cursor: pointer; transform-origin: bottom center; transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s;
  background: linear-gradient(90deg, rgba(255,255,255,.22), transparent 16%, transparent 72%, rgba(0,0,0,.4)), var(--c);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.35), 2px 0 5px rgba(0,0,0,.5); }
.book::before, .book::after { content: ""; position: absolute; left: 0; right: 0; height: 3px; background: rgba(217,180,90,.85); }
.book::before { top: 8px; box-shadow: 0 5px 0 rgba(217,180,90,.5); }
.book::after { bottom: 8px; box-shadow: 0 -5px 0 rgba(217,180,90,.5); }
.book i { margin-top: 12px; font: 700 .8rem var(--disp); font-style: normal; color: var(--gold); }
.book b { writing-mode: vertical-rl; margin-top: 14px; max-height: calc(100% - 34px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font: 700 .9rem/1.2 var(--serif); letter-spacing: .03em; text-shadow: 0 1px 2px rgba(0,0,0,.5); }
.book:hover, .book:focus-visible { transform: translateY(-14px) rotate(-1.2deg); box-shadow: inset 0 0 0 1px rgba(0,0,0,.35), 6px 10px 16px rgba(0,0,0,.55), 0 0 18px rgba(255,200,120,.25); outline: none; z-index: 3; }

/* ---- 읽기(펼친 책) ---- */
#read-view { max-width: 56em; margin: 0 auto; }
.to-list { display: inline-block; margin-bottom: 22px; color: var(--soft); font: 500 .85rem var(--disp); letter-spacing: .06em; }
.to-list:hover { color: var(--gold); }
.book-page { display: grid; grid-template-columns: minmax(180px, 250px) 1fr; gap: clamp(22px, 4vw, 52px); align-items: center; margin-bottom: 34px; }
.cover { position: relative; display: grid; place-items: center; aspect-ratio: 2 / 3; padding: 34px 22px; text-align: center; color: #fff3dc; border-radius: 4px 8px 8px 4px;
  background: linear-gradient(90deg, rgba(0,0,0,.4), rgba(255,255,255,.18) 5%, transparent 12%, transparent 86%, rgba(0,0,0,.3)), var(--c);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.4), 0 26px 44px -16px #000, -6px 0 0 rgba(0,0,0,.25); }
.cover::before { content: ""; position: absolute; inset: 14px 14px 14px 22px; border: 2px solid rgba(217,180,90,.8); box-shadow: inset 0 0 0 5px transparent, inset 0 0 0 6px rgba(217,180,90,.4); pointer-events: none; }
.cover span { font: 900 clamp(1.3rem, 3vw, 1.8rem)/1.45 var(--serif); letter-spacing: .06em; word-break: keep-all; text-shadow: 0 2px 6px rgba(0,0,0,.55); }
.info .eyebrow { margin-bottom: 4px; }
.info h2 { font: 900 clamp(1.7rem, 4.6vw, 2.6rem)/1.3 var(--serif); margin: 8px 0 16px; }
.summary { color: var(--soft); font-size: 1.05rem; max-width: 34em; }
.links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.links:empty { display: none; }
.btn { display: inline-block; padding: 11px 24px; font: 500 .85rem var(--disp); letter-spacing: .1em; border: 1px solid var(--gold); transition: all .2s; }
.btn.fill { background: var(--gold); color: #2a1c0a; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -10px var(--gold); }
.sheet { padding: clamp(24px, 5vw, 56px); color: var(--ink); background: linear-gradient(90deg, rgba(0,0,0,.08), transparent 6%, transparent 94%, rgba(0,0,0,.08)), var(--paper);
  border-radius: 3px; box-shadow: 0 24px 60px -20px #000, 0 0 0 1px rgba(0,0,0,.3); }
.read-imgs { display: grid; gap: 14px; margin-bottom: 28px; }
.read-imgs img { width: 100%; height: auto; max-height: 80vh; object-fit: contain; background: #e6dcc6; }
.read-body { font-family: var(--serif); font-size: 1.1rem; line-height: 2.1; }
.read-body p { margin-bottom: 1.4em; word-break: keep-all; overflow-wrap: break-word; }
.read-body hr { border: 0; text-align: center; margin: 2em 0; color: #8a7a60; }
.read-body hr::before { content: "· · ·"; letter-spacing: .6em; }
.muted { color: #8a7a60; }
.read-nav { display: flex; justify-content: space-between; gap: 14px; margin-top: 28px; }
.read-nav:empty { display: none; }
.read-nav a { display: flex; flex-direction: column; gap: 2px; max-width: 48%; padding: 12px 18px; border: 1px solid rgba(217,180,90,.4); font: 500 .9rem var(--disp); transition: all .2s; }
.read-nav a:last-child { text-align: right; margin-left: auto; }
.read-nav a:hover { border-color: var(--gold); color: var(--gold); }
.read-nav small { color: var(--soft); font: 400 .8rem var(--body); }

.foot { text-align: center; padding: 28px; color: var(--soft); font: 400 .78rem var(--disp); letter-spacing: .14em; border-top: 1px solid rgba(217,180,90,.2); background: rgba(10,6,3,.6); }
.foot a:hover { color: var(--gold); }

@media (max-width: 640px) { .book-page { grid-template-columns: 1fr; } .cover { max-width: 230px; } }
@media (max-width: 560px) {
  .case { padding: 22px 14px 12px; }
  .case::before { inset: 22px 14px 12px; }
  .books { min-height: 270px; padding: 12px 4px 0; }
}