:root{--lib-bg:#0a0e0d;--lib-warm:#1a1510;--shelf-wood:linear-gradient(180deg,#3d2b1f,#5c3d2e 18%,#6b4430 40%,#4e3322 60%,#3a2518);--shelf-edge:linear-gradient(180deg,#7a5a3e,#4e3322,#2a1a10);--gold-accent:#c9a84c;--emerald:#22c55e;--page-cream:#f5f0e8}.library-scene{position:relative;min-height:100vh;background:var(--lib-bg);overflow:hidden}.library-scene:before{top:-30%;left:50%;transform:translateX(-50%);width:120%;height:70%;background:radial-gradient(ellipse at center,rgba(201,168,76,.07) 0,rgba(201,168,76,.03) 40%,transparent 70%)}.library-scene:after,.library-scene:before{content:"";position:absolute;pointer-events:none;z-index:0}.library-scene:after{inset:0;background:radial-gradient(ellipse at center,transparent 50%,rgba(0,0,0,.6) 100%)}.particles-container{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:1}.particle{position:absolute;width:3px;height:3px;background:rgba(201,168,76,.3);border-radius:50%;animation:float-particle linear infinite}.particle:first-child{left:10%;animation-duration:18s;animation-delay:0s;width:2px;height:2px}.particle:nth-child(2){left:20%;animation-duration:22s;animation-delay:-3s}.particle:nth-child(3){left:35%;animation-duration:16s;animation-delay:-7s;width:4px;height:4px;opacity:.5}.particle:nth-child(4){left:50%;animation-duration:20s;animation-delay:-2s}.particle:nth-child(5){left:65%;animation-duration:24s;animation-delay:-5s;width:2px;height:2px}.particle:nth-child(6){left:75%;animation-duration:17s;animation-delay:-10s}.particle:nth-child(7){left:85%;animation-duration:21s;animation-delay:-4s;width:4px;height:4px;opacity:.4}.particle:nth-child(8){left:45%;animation-duration:19s;animation-delay:-8s;width:2px;height:2px}.particle:nth-child(9){left:90%;animation-duration:23s;animation-delay:-1s}.particle:nth-child(10){left:5%;animation-duration:25s;animation-delay:-6s;width:3px;height:3px}@keyframes float-particle{0%{transform:translateY(100vh) translateX(0) rotate(0deg);opacity:0}10%{opacity:.6}90%{opacity:.3}to{transform:translateY(-20vh) translateX(40px) rotate(1turn);opacity:0}}.bookshelf{position:relative;width:100%;max-width:900px;margin:0 auto;perspective:1200px}.shelf-surface{position:relative;padding:30px 40px 0;display:flex;align-items:flex-end;justify-content:center;gap:40px;min-height:340px}.shelf-board{position:relative;width:calc(100% + 80px);margin-left:-40px;height:22px;background:var(--shelf-wood);border-radius:3px 3px 0 0;box-shadow:0 4px 12px rgba(0,0,0,.6),0 2px 4px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.08)}.shelf-board:after{content:"";position:absolute;bottom:-14px;left:0;right:0;height:14px;background:var(--shelf-edge);border-radius:0 0 4px 4px;box-shadow:0 6px 20px rgba(0,0,0,.7)}.shelf-bracket{position:absolute;bottom:-36px;width:22px;height:30px;background:linear-gradient(135deg,#5c3d2e,#3a2518);clip-path:polygon(0 0,100% 0,100% 100%,0 60%);box-shadow:2px 2px 6px rgba(0,0,0,.5)}.shelf-bracket-left{left:60px}.shelf-bracket-right{right:60px}.book-3d{position:relative;width:180px;height:260px;cursor:pointer;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.23,1,.32,1);margin-bottom:0;flex-shrink:0}.book-3d:hover{transform:translateY(-18px) rotateY(-8deg) rotateX(3deg)}.book-cover{position:absolute;inset:0;border-radius:2px 8px 8px 2px;overflow:hidden;box-shadow:4px 4px 16px rgba(0,0,0,.5),-1px 0 3px rgba(0,0,0,.3);background:linear-gradient(145deg,#1a3a2a,#0d1f17);transition:box-shadow .6s ease}.book-3d:hover .book-cover{box-shadow:6px 8px 30px rgba(34,197,94,.2),4px 4px 16px rgba(0,0,0,.6),-1px 0 3px rgba(0,0,0,.3)}.book-cover img{width:100%;height:100%;object-fit:cover}.book-cover-default{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background:linear-gradient(160deg,#0d2818,#1a4a2e 30%,#0f3520 70%,#0a2015);text-align:center}.book-cover-default:before{content:"";position:absolute;inset:8px;border:1px solid rgba(201,168,76,.3);border-radius:2px;pointer-events:none}.book-cover-default .book-org{font-size:11px;font-weight:800;letter-spacing:3px;text-transform:uppercase;color:var(--gold-accent);margin-bottom:16px}.book-cover-default .book-title{font-size:16px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:6px}.book-cover-default .book-year{font-size:28px;font-weight:900;color:var(--gold-accent);letter-spacing:2px}.book-cover-default .book-divider{width:40px;height:2px;background:var(--gold-accent);margin:12px auto;opacity:.6}.book-spine{position:absolute;left:-16px;top:0;width:16px;height:100%;background:linear-gradient(90deg,#0a1f14,#143025,#0d2818);transform:rotateY(-90deg);transform-origin:right center;border-radius:2px 0 0 2px;display:flex;align-items:center;justify-content:center;box-shadow:inset -2px 0 6px rgba(0,0,0,.4)}.book-spine span{writing-mode:vertical-rl;text-orientation:mixed;font-size:9px;font-weight:700;letter-spacing:1.5px;color:var(--gold-accent);text-transform:uppercase;white-space:nowrap}.book-pages-edge{position:absolute;right:-4px;top:4px;bottom:4px;width:4px;background:repeating-linear-gradient(180deg,var(--page-cream) 0,#e8e0d4 1px,var(--page-cream) 2px);border-radius:0 2px 2px 0;box-shadow:2px 0 4px rgba(0,0,0,.2)}.book-shadow{position:absolute;bottom:-8px;left:10%;right:5%;height:20px;background:radial-gradient(ellipse,rgba(0,0,0,.6),transparent);filter:blur(6px);transition:all .6s ease}.book-3d:hover .book-shadow{bottom:-18px;left:5%;right:0;filter:blur(10px);opacity:.8}.book-label{position:absolute;bottom:-50px;left:50%;transform:translateX(-50%);text-align:center;white-space:nowrap}.book-label h4{font-size:13px;font-weight:600;color:#e2e8f0;margin-bottom:2px}.book-label span{font-size:11px;color:#94a3b8}.book-read-cta{position:absolute;bottom:-88px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:6px;padding:6px 16px;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.25);border-radius:999px;color:#4ade80;font-size:12px;font-weight:600;white-space:nowrap;opacity:0;transition:opacity .4s ease}.book-3d:hover~.book-read-cta,.book-read-cta:hover{opacity:1}.book-slot-empty{width:180px;height:260px;border:2px dashed rgba(255,255,255,.08);border-radius:4px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:rgba(255,255,255,.15);margin-bottom:0;flex-shrink:0}.book-slot-empty span{font-size:11px;font-weight:500}.reader-overlay{position:fixed;inset:0;z-index:100;background:rgba(5,8,7,.97);backdrop-filter:blur(20px);display:flex;flex-direction:column;align-items:center;justify-content:center;animation:reader-fade-in .5s ease forwards}@keyframes 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32px);margin-left:-16px;height:16px}.shelf-board:after{height:10px;bottom:-10px}.shelf-bracket{display:none}.book-3d{width:130px;height:190px}.book-cover-default .book-org{font-size:9px;letter-spacing:2px}.book-cover-default .book-title{font-size:12px}.book-cover-default .book-year{font-size:22px}.book-spine{width:12px;left:-12px}.book-spine span{font-size:7px}.book-label h4{font-size:11px}.book-label span{font-size:10px}.book-slot-empty{width:130px;height:190px}.reader-nav-btn{width:40px;height:40px}.reader-nav-prev{left:6px}.reader-nav-next{right:6px}.flipbook-container{padding:70px 10px 50px}}@media (max-width:480px){.book-3d,.book-slot-empty{width:110px;height:160px}.book-cover-default .book-year{font-size:18px}.book-cover-default .book-divider{margin:8px auto}}@keyframes fade-in-up{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in-up{animation:fade-in-up .8s ease 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