@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700&family=Noto+Serif+KR:wght@400;500;600;700&display=swap');
:root{color-scheme:dark;--bg:#14191d;--ivory:#f3e5cf;--muted:#b1a99d;--wood:#4c2e22;--book-shadow:rgba(0,0,0,.58);font-family:'Noto Sans KR',system-ui,sans-serif;}
*{box-sizing:border-box}body{margin:0;min-width:280px;background:var(--bg);color:var(--ivory)}button{font:inherit}button:focus-visible,a:focus-visible{outline:3px solid #e2b86a;outline-offset:4px}button{cursor:pointer}button[disabled]{cursor:not-allowed;opacity:.6}[hidden]{display:none!important}a{color:inherit}.skip-link{position:absolute;z-index:10;left:16px;top:-100px;padding:12px;background:#fff;color:#000}.skip-link:focus{top:12px}
.screen{min-height:100vh;background:radial-gradient(ellipse at 48% -18%,rgba(141,110,78,.20),transparent 53%),linear-gradient(120deg,#151a1d,#202326 44%,#12181d)}
.site-header{max-width:1220px;margin:auto;padding:54px clamp(20px,5vw,64px) 24px;display:flex;gap:18px;align-items:center;border-bottom:1px solid rgba(239,213,166,.12)}.brand-mark{width:70px;height:70px;border:1px solid #9d8363;border-radius:50%;display:grid;place-items:center;font:35px serif;color:#cda879;flex-shrink:0}.brand-text h1{font:500 clamp(26px,4.2vw,45px)/1.2 'Noto Serif KR',Georgia,serif;letter-spacing:-.07em;margin:5px 0}.hanja{font-size:.8em;color:#c8a77a}.eyebrow,.caps{font-size:10px;letter-spacing:.24em;font-weight:700;color:#c4a47e;margin:0}.subtitle{font-family:'Noto Serif KR',serif;color:#b9ad9d;font-size:12px;margin:9px 0 0}.edition{margin-left:auto;align-self:flex-start;font:10px Georgia,serif;letter-spacing:.15em;color:#817e78;white-space:nowrap}.edition span{padding:0 4px}.shelf-layout{max-width:1140px;margin:auto;padding:27px clamp(14px,4vw,40px) 45px}.shelf-intro{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:10px;margin:0 1.5% 20px}.shelf-intro #interaction-hint{margin:0;font-size:12px;color:#ada69e}.shelf-grid{padding:12px clamp(8px,2vw,25px) 20px;border:18px solid #37251e;border-top-width:18px;border-bottom-width:25px;box-shadow:0 28px 60px #0008,inset 0 0 20px #110e0a;background:linear-gradient(110deg,#262019,#32271e 55%,#262019)}
.shelf-unit{position:relative;min-height:294px;margin:0;border-left:4px solid rgba(16,11,8,.35);border-right:4px solid rgba(16,11,8,.3);background:radial-gradient(ellipse at 50% 90%,rgba(200,157,104,.13),transparent 75%),repeating-linear-gradient(90deg,rgba(0,0,0,.015) 0 8px,rgba(255,255,255,.009) 8px 12px),linear-gradient(#211912,#32251b);display:flex;align-items:flex-end;justify-content:center;padding:24px 16px 22px;isolation:isolate}.shelf-unit::after{content:"";position:absolute;bottom:-10px;left:-5px;right:-5px;height:20px;background:linear-gradient(#875a3c 0,#583821 37%,#332118 93%);box-shadow:0 9px 10px #110e0bbf,inset 0 2px 1px #ae8257;z-index:3}.shelf-unit + .shelf-unit{margin-top:12px}
.book-row{display:flex;align-items:flex-end;justify-content:center;gap:clamp(5px,1.1vw,17px);width:100%;height:100%;min-width:0;transform:translateY(-1px)}
.spine{--factor:1;--w:52px;--h:232px;position:relative;border:0;border-radius:3px 5px 2px 2px;flex:0 0 calc(var(--w)*var(--factor));width:calc(var(--w)*var(--factor));height:calc(var(--h)*var(--factor));padding:0;background:linear-gradient(90deg,rgba(0,0,0,.4),transparent 17%,rgba(255,255,255,.16) 38%,transparent 69%,rgba(0,0,0,.37)),linear-gradient(160deg,var(--c1),var(--c2));color:var(--ink);box-shadow:4px 3px 9px #110d0a9c,inset 2px 0 1px #ffffff30,inset -2px 0 2px #0005;transition:transform .32s cubic-bezier(.2,.75,.2,1),filter .23s,box-shadow .3s;transform:perspective(600px) translate3d(0,0,0);z-index:1;touch-action:manipulation}.spine::before{content:"";position:absolute;left:8%;right:8%;top:8px;border-top:1px solid currentColor;opacity:.55}.spine::after{content:"";position:absolute;left:8%;right:8%;bottom:8px;border-top:1px solid currentColor;opacity:.55}.spine-title{writing-mode:vertical-rl;display:inline-flex;align-items:center;justify-content:center;font-family:'Noto Serif KR',serif;font-size:clamp(10px,1.4vw,15px);font-weight:600;letter-spacing:.12em;line-height:1.3;max-height:79%;overflow:hidden;text-overflow:ellipsis;margin:auto}.spine-author{position:absolute;bottom:15px;left:0;right:0;font:9px Georgia,serif;opacity:.85;text-align:center}.spine-mark{position:absolute;top:15px;left:0;right:0;font-size:8px;letter-spacing:1px;text-align:center;opacity:.7}.spine:hover{filter:brightness(1.12)}@media(hover:hover) and (pointer:fine){.spine:hover:not(.pulled){transform:perspective(600px) translate3d(0,-10px,22px) rotateY(-7deg);box-shadow:9px 13px 24px #0009}}.spine.pulled{transform:perspective(700px) translate3d(0,-27px,54px) rotateY(-12deg);box-shadow:17px 29px 25px #000b;z-index:2;filter:brightness(1.15)}.spine:active{filter:brightness(1.18)}.shelf-footer{display:flex;justify-content:space-between;gap:12px;margin:26px 0 0;color:#7d7974;font-size:11px;letter-spacing:.04em}
.cover-screen{position:fixed;z-index:10;inset:0;overflow:auto;background:#15191c}.cover-backdrop{position:fixed;inset:0;background:radial-gradient(ellipse at 50% 35%,#4a3c32 0,#28272a 52%,#121619 100%);pointer-events:none}.cover-scene{position:relative;z-index:1;max-width:1050px;margin:auto;min-height:100%;padding:34px 30px 50px}.icon-button,.subtle-button,.reader-back,.reader-tool{border:1px solid #ffffff38;color:#f8eee0;background:#ffffff08;border-radius:7px;padding:11px 15px}.cover-exit{margin-bottom:40px}.showcase{display:grid;grid-template-columns:minmax(210px,1fr) minmax(230px,1fr);gap:clamp(28px,5vw,95px);align-items:center;max-width:840px;margin:0 auto}.cover-book{--c1:#9a654b;--c2:#38262b;--ink:#fff;position:relative;justify-self:center;display:block;width:min(100%,340px);aspect-ratio: .69;max-height:480px;background:linear-gradient(130deg,rgba(255,255,255,.09),transparent 35%),linear-gradient(145deg,var(--c1),var(--c2));color:var(--ink);border:0;padding:0;border-radius:0 8px 8px 0;box-shadow:5px 5px 0 #ded1b7,8px 9px 0 #a69685,12px 21px 33px #0009;transform:perspective(900px) rotateY(-8deg);transform-origin:left;transition:transform .5s ease,box-shadow .5s ease;overflow:visible}.cover-book:hover{transform:perspective(900px) rotateY(-2deg) translateY(-5px);box-shadow:5px 5px 0 #ded1b7,8px 9px 0 #a69685,16px 24px 34px #000b}.cover-front{height:100%;width:100%;display:flex;overflow:hidden;border-radius:0 7px 7px 0}.front-inner{width:100%;height:100%;padding:12% 8%;display:flex;flex-direction:column;align-items:center;justify-content:space-between;text-align:center;border-left:7px solid #0003;border-right:1px solid #fff2;background:radial-gradient(circle at 50% 33%,#ffffff11,transparent 55%)}.front-top{font:11px Georgia,serif;letter-spacing:.3em;opacity:.75}.front-title{font:600 clamp(25px,4.4vw,48px)/1.45 'Noto Serif KR',serif;word-break:keep-all;text-shadow:0 2px 12px #0004}.front-rule{width:43%;border-top:1px solid currentColor;opacity:.42}.front-author{font:400 18px 'Noto Serif KR',serif}.cover-real-image{width:100%;height:100%;object-fit:contain;background:#28211c;border-radius:0 7px 7px 0}.showcase-meta h2{font:600 clamp(28px,4.3vw,44px)/1.4 'Noto Serif KR',serif;margin:12px 0}.showcase-meta p{color:#c3bab0}.showcase-meta #cover-genre{font-size:12px;letter-spacing:.1em;color:#d1b596}.showcase-meta #cover-desc{line-height:1.9;font-size:14px;color:#bfb9b1;margin:25px 0}.showcase-actions{display:flex;flex-wrap:wrap;gap:9px}.primary-button{background:#d6b88d;color:#211b17;border:1px solid #e0c5a0;border-radius:6px;padding:13px 21px;font-weight:700}.subtle-button{border-color:#ffffff22}.availability{font-size:12px!important;color:#cab7a0!important}
.reader-screen{position:fixed;z-index:20;inset:0;overflow:auto;--reader-bg:#e7d6b9;--paper:#fffaf0;--ink:#28251f;--border:#c6b597;--font-size:17px;--line:1.9;--reader-font:'Noto Serif KR',Georgia,serif;background:var(--reader-bg);color:var(--ink);color-scheme:light}.reader-screen[data-theme='light']{--reader-bg:#e4e6e7;--paper:#fff;--ink:#222;--border:#d5d5d5}.reader-screen[data-theme='dark']{--reader-bg:#151718;--paper:#232628;--ink:#efebe2;--border:#42494c;color-scheme:dark}.reader-header{max-width:1300px;margin:0 auto;padding:17px 26px;display:grid;grid-template-columns:90px 1fr 70px;align-items:center;gap:10px;border-bottom:1px solid var(--border)}.reader-back,.reader-tool{border:1px solid var(--border);color:var(--ink);background:transparent;padding:9px}.reader-booktitle{text-align:center;display:flex;flex-direction:column;gap:5px;font-size:14px;font-weight:700}.reader-booktitle small{font-size:11px;color:var(--ink);opacity:.65;font-weight:400}.reader-settings{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:12px;padding:12px 16px}.settings-group{display:flex;align-items:center;gap:5px}.settings-group button,.setting-button{border:1px solid var(--border);background:var(--paper);color:var(--ink);min-width:40px;min-height:40px;border-radius:6px;padding:8px}.settings-label{font-size:11px;padding:0 4px}.setting-button{min-width:67px;font-size:12px}.reading-stage{max-width:1100px;margin:auto;padding:6px 22px 22px}.reading-paper{position:relative;padding:clamp(24px,4vw,54px);background:var(--paper);border:1px solid var(--border);box-shadow:0 7px 30px #0002;overflow:hidden}.reading-paper:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;background:linear-gradient(90deg,transparent,var(--border));box-shadow:2px 0 7px #0002;z-index:1;pointer-events:none}.reader-viewport{height:clamp(370px,57vh,630px);overflow:hidden;width:100%;scroll-behavior:auto;outline-offset:5px;touch-action:pan-y}.reader-flow{--gap:clamp(36px,5vw,86px);height:100%;width:100%;font-size:var(--font-size);font-family:var(--reader-font);line-height:var(--line);color:var(--ink);column-count:2;column-gap:var(--gap);column-fill:auto;overflow:visible}.reader-flow h2{font:600 1.36em/1.55 var(--reader-font);margin:0 0 1.7em;break-after:avoid}.reader-flow p{margin:0 0 1.15em;white-space:pre-line;overflow-wrap:anywhere;word-break:normal;orphans:2;widows:2}.reader-flow .scene-break{text-align:center;margin:1.5em 0;color:#8c7a66}.page-edge{position:absolute;left:50%;top:6px;bottom:6px;opacity:.4;border-left:1px solid var(--border)}.reader-navigation{display:grid;grid-template-columns:1fr auto 1fr;gap:15px;align-items:center;padding:15px 0 10px}.nav-page{justify-self:start;border:1px solid var(--border);border-radius:5px;background:var(--paper);color:var(--ink);padding:12px 20px}.nav-page:last-child{justify-self:end}#page-info{font-variant-numeric:tabular-nums;font-size:13px;opacity:.72}.reading-progress{height:3px;overflow:hidden;background:var(--border);border-radius:5px}.reading-progress>div{width:0;height:100%;background:#9a7957;transition:width .17s}.reader-guide{font-size:11px;text-align:center;opacity:.58;margin:10px 0}.toc-modal{position:fixed;inset:0;z-index:50;background:#0008;display:grid;place-items:center;padding:20px}.toc-dialog{background:var(--paper);color:var(--ink);padding:25px;border-radius:10px;max-width:430px;width:100%;max-height:82vh;overflow:auto;box-shadow:0 20px 80px #0006}.toc-header{display:flex;align-items:center;justify-content:space-between}.toc-header h2{font:600 22px 'Noto Serif KR',serif}.toc-header button{background:transparent;color:var(--ink);border-color:var(--border)}.toc-items{display:grid;gap:7px}.toc-items button{text-align:left;border:1px solid var(--border);color:var(--ink);background:transparent;padding:14px;border-radius:5px}.toc-items button[aria-current='true']{border-color:#a88962;background:#a889621c}.no-script{background:#fff;color:#222;padding:20px}
@media(max-width:690px){.site-header{padding:30px 21px 21px;gap:12px}.brand-mark{width:50px;height:50px;font-size:25px}.edition{display:none}.subtitle{font-size:11px}.shelf-layout{padding:18px 12px 30px}.shelf-grid{border-width:11px;border-bottom-width:18px;padding:9px 7px 16px}.shelf-unit{min-height:242px;padding:20px 3px 20px}.spine{--factor:.77}.spine-title{font-size:11px}.spine-mark{font-size:7px}.spine-author{font-size:8px}.shelf-footer{display:block;line-height:2}.shelf-intro{display:block}.shelf-intro #interaction-hint{margin-top:9px;line-height:1.6}.cover-scene{padding:20px 21px 40px}.cover-exit{margin-bottom:24px}.showcase{grid-template-columns:1fr;gap:25px}.cover-book{width:min(60vw,252px)}.showcase-meta{text-align:center}.showcase-meta h2{margin:8px 0}.showcase-meta #cover-desc{margin:13px 0}.showcase-actions{justify-content:center}.reader-header{grid-template-columns:65px 1fr 56px;padding:11px 12px}.reader-header .reader-back{padding:9px 3px}.reader-booktitle{font-size:12px}.reader-settings{gap:6px;padding:9px 6px}.settings-label{font-size:10px}.settings-group button,.setting-button{min-width:36px;min-height:37px;padding:6px}.reading-stage{padding:2px 8px 15px}.reading-paper{padding:24px 20px}.reader-viewport{height:clamp(350px,61vh,660px)}.reader-flow{column-count:1;column-gap:0}.reader-flow h2{font-size:1.16em}.reading-paper:before,.page-edge{display:none}.reader-guide{font-size:10px}.nav-page{padding:11px 16px}}
@media(max-width:355px){.spine{--factor:.67}.book-row{gap:4px}.shelf-unit{min-height:219px}.shelf-grid{border-width:8px}.reading-paper{padding:18px 16px}.brand-text h1{font-size:24px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* v1.1: JSON-controlled independent bookcases */
.shelf-layout { max-width: 1280px; }
.shelf-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2.8vw,36px); align-items:start; padding:0;border:0;box-shadow:none;background:none; }
.bookcase-panel { min-width:0; }
.bookcase-header { min-height:68px; padding:12px 14px 14px; text-align:center; background:linear-gradient(180deg,#37251e,#241914);border:1px solid #5e4131;border-bottom:0;box-shadow:0 8px 22px #0005; }
.bookcase-number { font:10px Georgia,serif;letter-spacing:.25em;color:#bd9b72; }
.bookcase-title {margin:6px 0 0;font:500 clamp(15px,2vw,20px)/1.3 'Noto Serif KR',Georgia,serif;color:#ecddc4;}
.bookcase-frame {min-width:0; padding:10px clamp(5px,1.2vw,13px) 16px; border:15px solid #37251e;border-top-width:10px;border-bottom-width:23px;box-shadow:0 25px 42px #0009,inset 0 0 20px #110e0a;background:linear-gradient(110deg,#262019,#32271e 55%,#262019)}
.bookcase-frame .shelf-unit {min-height:290px;padding:24px 6px 22px;}
.bookcase-frame .book-row {gap:clamp(4px,.6vw,11px);}
.cover-tags {display:flex;flex-wrap:wrap;gap:7px;margin:0 0 18px;}
.cover-tag {border:1px solid #bca28266;color:#d5c5aa;border-radius:999px;padding:5px 10px;font-size:12px;}
@media(max-width:760px){
 .shelf-grid{grid-template-columns:1fr;max-width:480px;margin:auto;gap:24px;}
 .bookcase-frame{border-width:12px;border-bottom-width:19px;padding:8px 6px 13px;}
 .bookcase-frame .shelf-unit{min-height:245px;padding:17px 4px 17px;}
 .bookcase-header{min-height:61px;}
 .bookcase-frame .book-row{gap:clamp(5px,1.3vw,12px);}
 .cover-tags{justify-content:center;}
}
@media(max-width:355px){
 .bookcase-frame{border-width:8px;border-bottom-width:15px;padding:7px 3px 9px;}
 .bookcase-frame .shelf-unit{min-height:219px;padding:16px 2px;}
}

/* v1.2: a single bookcase per view, dots + wheel/swipe navigation */
.shelf-grid {display:block;max-width:750px;margin:0 auto;}
.bookcase-panel {animation:case-arrive .26s ease both;}
.bookcase-navigation {display:flex;align-items:center;justify-content:center;gap:16px;margin:0 auto 12px;}
.case-dots {display:flex;align-items:center;justify-content:center;gap:12px;}
.case-dot {display:block;flex:0 0 auto;width:17px;height:17px;padding:0;border:1px solid #bb9c75;background:#74645475;border-radius:50%;transition:background .2s,transform .2s;}
.case-dot[hidden]{display:none!important}
.case-dot[aria-current="true"] {background:#e1bc83;transform:scale(1.08);box-shadow:0 0 0 4px #a8874929;}
.case-arrow {border:1px solid #94785775;color:#ead1ad;background:#0002;border-radius:8px;min-width:44px;min-height:44px;font-size:23px;}
.case-current {min-height:23px;text-align:center;font:12px 'Noto Sans KR',sans-serif;color:#aa9780;margin-bottom:9px;}
@keyframes case-arrive {from{opacity:.15;transform:translateY(12px)}to{opacity:1;transform:none}}
.shelf-grid .bookcase-header {min-height:54px;}
.shelf-grid .bookcase-frame .shelf-unit {min-height:276px;}
.pdf-stage {width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:350px;overflow:auto;}
.pdf-stage canvas {max-width:none;background:white;box-shadow:0 3px 16px #0002;display:block;}
.pdf-stage #pdf-status {font-size:13px;text-align:center;line-height:1.65;padding:8px;color:var(--ink);}
.pdf-fallback {font-size:12px;text-decoration:underline;max-width:100%;overflow-wrap:anywhere;}
.reader-screen.pdf-mode .reading-paper {padding:14px;}
.reader-screen.pdf-mode .reading-paper:before,.reader-screen.pdf-mode .page-edge {display:none;}
@media(max-width:760px){.shelf-grid{max-width:480px}.shelf-grid .bookcase-frame .shelf-unit{min-height:245px}.bookcase-navigation{gap:12px}.case-dots{gap:9px}}
@media(prefers-reduced-motion:reduce){.bookcase-panel{animation:none}.case-dot{transition:none}}

/* v1.4: 3-slot featured display above the ordinary shelves. */
.header-actions{display:flex;align-items:center;gap:19px;margin-left:auto}.header-actions .edition{margin:0}.author-link{border:1px solid #9c7d5599;padding:10px 16px;background:#d5b48912;color:#ebd2af;border-radius:4px;font-size:12px;white-space:nowrap;min-height:44px}
.bookcase-featured{padding:20px clamp(13px,3vw,40px) 12px;background:radial-gradient(ellipse at 50% 10%,#7b573a50,transparent 73%),linear-gradient(#302219,#291b14);border:3px solid #6a462f;border-bottom:14px solid #835b3b;box-shadow:inset 0 8px 18px #0c080751;margin-bottom:9px}
.featured-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 0 12px}.featured-head span{color:#e3c49a;font:600 13px 'Noto Serif KR',serif;letter-spacing:.06em}.featured-head small{color:#9f866c;font-size:10px;letter-spacing:.14em}.featured-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(8px,2.6vw,26px);max-width:660px;margin:0 auto}
.featured-card{min-width:0;border:0;background:none;color:#f1e4d6;display:grid;justify-items:center;align-content:start;gap:7px;padding:0 2px 6px;transition:transform .25s ease}.featured-card:hover{transform:translateY(-6px)}.featured-cover{width:min(100%,132px);aspect-ratio: .69;display:block;position:relative;background:linear-gradient(135deg,var(--c1),var(--c2));color:var(--ink);border-radius:2px 5px 5px 2px;overflow:hidden;box-shadow:5px 7px 7px #0009,2px 3px 0 #d1bd9e;border-left:4px solid #0005}.featured-cover img{position:absolute;inset:0;height:100%;width:100%;object-fit:contain;display:block}.featured-fallback{height:100%;padding:18% 10% 9%;display:flex;justify-content:space-between;align-items:center;flex-direction:column;font:700 clamp(11px,2.7vw,17px)/1.45 'Noto Serif KR',serif;word-break:keep-all;text-align:center}.featured-fallback::before{content:'RYU LIBRARY';font:8px Georgia,serif;letter-spacing:.15em;opacity:.8}.featured-fallback::after{content:'流';font:12px Georgia,serif;opacity:.9}.featured-label{font-size:11px;line-height:1.45;max-width:100%;text-align:center;overflow-wrap:anywhere;color:#e1d0bc;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.featured-empty{width:100%;aspect-ratio:.69;max-width:132px;border:1px dashed #9f79539c;display:grid;place-items:center;color:#947c66;font-size:11px;opacity:.65}
.author-screen{position:fixed;z-index:15;inset:0;overflow:auto;background:radial-gradient(ellipse at 50% -20%,#71503644,transparent 65%),#181b1c}.author-page{max-width:840px;margin:0 auto;padding:30px 20px 90px}.author-topline{display:flex;justify-content:space-between;align-items:center;gap:16px}.author-panel{margin-top:35px;border:1px solid #725743;background:linear-gradient(140deg,#2c2925,#202326);box-shadow:0 18px 55px #0005;padding:clamp(20px,6vw,60px);display:grid;gap:12px;line-height:1.95}.author-emblem{font:50px/1.3 Georgia,serif;display:grid;place-items:center;width:85px;height:85px;border:1px solid #a2886a;border-radius:50%;color:#d9ba93}.author-panel h2{font:500 clamp(30px,5vw,48px) 'Noto Serif KR',serif;margin:5px 0 0}.author-tagline{font:16px/1.9 'Noto Serif KR',serif;color:#ccb598}.author-heading{font:500 23px 'Noto Serif KR',serif;color:#dec7a9;margin:28px 0 0}.author-about{font-size:15px;color:#e0d7ce;white-space:pre-line}.author-sections{border-top:1px solid #ffffff2b;margin-top:15px}.author-section{border-bottom:1px solid #ffffff24;padding:16px 0}.author-section h4{font-size:16px;margin:0 0 6px;color:#dcc7a9}.author-section p{color:#c7bfb5;font-size:14px;white-space:pre-line;margin:0}
@media(max-width:760px){.header-actions{align-self:flex-start}.author-link{padding:9px;font-size:11px}.shelf-grid .bookcase-featured{padding:14px 11px 8px}.featured-row{gap:9px}.featured-label{font-size:10px}}
@media(max-width:390px){.header-actions .edition{display:none}.header-actions{margin-left:auto}.site-header{align-items:flex-start}.featured-head small{display:none}}
@media(prefers-reduced-motion:reduce){.featured-card{transition:none}.featured-card:hover{transform:none}}

.brand-text h1{color:#f3e5cf}

/* v1.5 — optional genuine book-artwork overlays; missing art keeps CSS fallback. */
.spine-artwork{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;border-radius:inherit;z-index:2;pointer-events:none}
.spine.has-spine-artwork::before,.spine.has-spine-artwork::after{opacity:0}
.spine.has-spine-artwork .spine-title,.spine.has-spine-artwork .spine-mark,.spine.has-spine-artwork .spine-author{visibility:hidden}
.cover-side{position:absolute;left:calc(-1*var(--spine-depth,8px));top:0;width:var(--spine-depth,8px);height:100%;background-color:#493023;background-size:100% 100%;background-position:center;box-shadow:inset 1px 0 3px #0007;pointer-events:none}
.back-fallback{justify-content:space-around}
.back-description{font:400 clamp(11px,1.7vw,16px)/1.8 'Noto Serif KR',serif;white-space:pre-wrap;word-break:keep-all;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:12;overflow:hidden}

/* v1.6: book height is authored in each content/books/N.json (`height`, 160–270px).
   Both book and shelf clearance use the same mobile scale, so tall books never
   clip against the top of their own shelf. Bottom alignment is intentionally kept. */
.shelf-grid .bookcase-frame .shelf-unit {
  min-height: max(276px, calc(var(--row-book-height, 0px) + 54px));
}
@media (max-width:760px) {
  .shelf-grid .bookcase-frame .shelf-unit {
    min-height: max(245px, calc(var(--row-book-height, 0px) * .77 + 46px));
  }
}
@media (max-width:355px) {
  .shelf-grid .bookcase-frame .shelf-unit {
    min-height: max(219px, calc(var(--row-book-height, 0px) * .67 + 44px));
  }
}

/* v1.7: unused slots have no DOM node; featured empty slots reserve geometry only. */
.featured-empty{visibility:hidden;border:0}
/* The physical clearance of all 3 rows is fixed. Height 160–220px maximum. */
.shelf-grid .bookcase-frame .shelf-unit{min-height:276px;height:276px;max-height:276px}
@media(max-width:760px){.shelf-grid .bookcase-frame .shelf-unit{min-height:245px;height:245px;max-height:245px}}
@media(max-width:355px){.shelf-grid .bookcase-frame .shelf-unit{min-height:219px;height:219px;max-height:219px}}

.update-notice{position:fixed;right:14px;bottom:14px;z-index:100;max-width:min(350px,calc(100% - 28px));padding:12px 17px;border:1px solid #d1b287;background:#30241b;color:#fff1d7;border-radius:9px;box-shadow:0 8px 30px #0008;font:13px/1.5 'Noto Sans KR',sans-serif;cursor:pointer;min-height:44px}


/* v2.1: reader font whitelist. Never use emoji/decorative fonts as prose fallback. */
.font-choice{display:inline-flex;align-items:center;gap:7px;font-size:12px;white-space:nowrap}
.font-choice select{min-height:42px;min-width:125px;padding:7px;border:1px solid var(--border);border-radius:6px;background:var(--paper);color:var(--ink);font-size:14px;font-family:'Noto Sans KR',sans-serif}
.library-search{position:relative;max-width:440px;margin:10px auto 16px;display:grid;gap:5px;color:#dac2a1;font-size:12px}
.library-search input{width:100%;min-height:44px;background:#241d19;color:#fff0dc;border:1px solid #997e5a;border-radius:7px;padding:10px 13px;font-size:14px}
.book-search-results:not([hidden]){position:absolute;z-index:8;top:100%;width:100%;background:#30241b;border:1px solid #ad8b62;max-height:280px;overflow-y:auto;box-shadow:0 10px 30px #0009;border-radius:7px}
.book-search-results button{display:block;width:100%;text-align:left;background:none;border:0;border-bottom:1px solid #fff2;color:#f7e9d6;min-height:45px;padding:10px 13px}
.book-search-results button:hover,.book-search-results button:focus-visible{background:#59412f}
.cover-progress{font-size:12px!important;color:#f6d3a2!important;margin:8px 0 14px!important}
.cover-series{margin:18px 0 18px;padding-top:15px;border-top:1px solid #fff3}
.cover-series h3{font:500 15px 'Noto Serif KR',serif;margin:0 0 12px;color:#edc69b}
.series-row{display:flex;flex-wrap:wrap;gap:12px;align-items:start}
.series-card{width:105px;min-height:145px;padding:9px;border:1px solid #af916d88;background:#1a1b1e;color:#f6e5d5;border-radius:7px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}
.series-card[aria-current='true']{outline:2px solid #bba078;outline-offset:1px}
.series-book-cover{width:56px;aspect-ratio:.69;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--c1),var(--c2));color:var(--ink);font:600 10px/1.4 'Noto Serif KR',serif;display:grid;place-items:center;word-break:keep-all;border-radius:2px;padding:4px;box-shadow:2px 3px 5px #0009}
.series-book-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.series-card small{font-size:10px;opacity:.7}.series-card strong{font-size:11px;line-height:1.4;overflow-wrap:anywhere}
.cover-note{margin:14px 0 18px;border:1px solid #ffffff30;border-radius:5px;padding:12px;text-align:left}
.cover-note summary{cursor:pointer;color:#e3c6a2;font-size:12px}
.cover-note p{font-size:13px;white-space:pre-line;line-height:1.9}
/* Fixed coordinate positions; a missing manuscript leaves its precise cell empty. */
.bookcase-frame .book-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;align-items:end}
.book-slot{min-width:0;height:100%;display:flex;justify-content:center;align-items:flex-end;overflow:visible}
.book-slot-empty{visibility:hidden}
@media(max-width:690px){.reader-settings{gap:7px}.font-choice select{min-width:115px}.series-row{justify-content:center}}

/* The volume leaves the shelf and turns toward the reader (reduced-motion-safe). */
.cover-screen:not([hidden]) .cover-book {animation:volume-arrive .48s cubic-bezier(.18,.71,.21,1) both}
@keyframes volume-arrive {from{opacity:.48;transform:perspective(950px) translateX(-45px) translateY(16px) rotateY(-58deg) scale(.84)}to{opacity:1;transform:perspective(900px) rotateY(-8deg)}}
@media(prefers-reduced-motion:reduce){.cover-screen:not([hidden]) .cover-book{animation:none}}