:root{--bg-primary: #020611;--bg-secondary: #0a0f1d;--bg-card: rgba(10, 15, 29, .65);--bg-card-solid: #0f172a;--bg-card-hover: rgba(15, 20, 35, .85);--bg-glass: rgba(10, 15, 29, .5);--bg-header: rgba(2, 6, 17, .75);--bg-input: rgba(255, 255, 255, .03);--bg-modal-overlay: rgba(0, 0, 0, .85);--gradient-gold: linear-gradient(135deg, #d4af37 0%, #ffdf73 25%, #c59b27 50%, #f9d976 75%, #b8860b 100%);--gradient-hero: linear-gradient(135deg, #020611 0%, #150a21 40%, #06111a 100%);--gradient-card-border: linear-gradient(135deg, rgba(212, 175, 55, .4), rgba(179, 136, 255, .15), rgba(79, 195, 247, .25));--gradient-shine: linear-gradient(45deg, transparent 20%, rgba(255,255,255,.08) 50%, transparent 80%);--gradient-neon-border: linear-gradient(135deg, rgba(212, 175, 55, .6), rgba(79, 195, 247, .4), rgba(179, 136, 255, .5));--accent-gold: #d4af37;--accent-gold-light: #f9d976;--accent-gold-dark: #b8860b;--accent-gold-glow: rgba(212, 175, 55, .3);--accent-blue: #4fc3f7;--accent-blue-glow: rgba(79, 195, 247, .2);--accent-purple: #b388ff;--accent-purple-glow: rgba(179, 136, 255, .2);--accent-green: #69f0ae;--accent-rose: #ff6b9d;--accent-cyan: #22d3ee;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--text-accent: var(--accent-gold);--border-color: rgba(255, 255, 255, .06);--border-color-hover: rgba(255, 255, 255, .12);--border-glow: rgba(240, 180, 41, .25);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-serif: "Noto Serif", Georgia, serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--text-4xl: 2.75rem;--text-5xl: 3.5rem;--font-light: 300;--font-regular: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--space-4xl: 6rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .5);--shadow-md: 0 4px 16px rgba(0, 0, 0, .6);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .7);--shadow-xl: 0 20px 60px rgba(0, 0, 0, .8), 0 0 40px rgba(0,0,0,.5);--shadow-glow-gold: 0 0 40px rgba(212, 175, 55, .2), 0 0 80px rgba(212, 175, 55, .1);--shadow-glow-blue: 0 0 40px rgba(79, 195, 247, .15);--shadow-glow-purple: 0 0 40px rgba(179, 136, 255, .15);--shadow-card: 0 8px 32px rgba(0, 0, 0, .5), inset 0 1px 1px rgba(255, 255, 255, .08), inset 0 -1px 1px rgba(0,0,0,.2);--shadow-card-hover: 0 16px 48px rgba(0, 0, 0, .6), 0 0 40px rgba(212, 175, 55, .1), inset 0 1px 1px rgba(255, 255, 255, .15), inset 0 -1px 1px rgba(0,0,0,.3);--transition-fast: .15s ease;--transition-base: .28s cubic-bezier(.4, 0, .2, 1);--transition-slow: .45s cubic-bezier(.4, 0, .2, 1);--transition-spring: .5s cubic-bezier(.34, 1.56, .64, 1);--transition-bounce: .6s cubic-bezier(.68, -.55, .27, 1.55);--header-height: 72px;--container-max: 1320px;--sidebar-width: 320px}[data-theme=light]{--bg-primary: #f8f6f1;--bg-secondary: #efeade;--bg-card: rgba(255, 255, 255, .85);--bg-card-solid: #ffffff;--bg-card-hover: rgba(255, 255, 255, .95);--bg-glass: rgba(255, 255, 255, .6);--bg-header: rgba(248, 246, 241, .85);--bg-input: rgba(0, 0, 0, .04);--bg-modal-overlay: rgba(0, 0, 0, .5);--gradient-hero: linear-gradient(135deg, #f8f6f1 0%, #efeade 40%, #f5f0e6 100%);--gradient-card-border: linear-gradient(135deg, rgba(212, 175, 55, .3), rgba(139, 92, 246, .1), rgba(59, 130, 246, .15));--gradient-shine: linear-gradient(45deg, transparent 20%, rgba(0,0,0,.02) 50%, transparent 80%);--accent-gold: #b8860b;--accent-gold-light: #d4a017;--accent-gold-dark: #8b6914;--accent-gold-glow: rgba(184, 134, 11, .15);--text-primary: #1a1a2e;--text-secondary: #555568;--text-muted: #8888a0;--text-accent: var(--accent-gold);--border-color: rgba(0, 0, 0, .08);--border-color-hover: rgba(0, 0, 0, .15);--border-glow: rgba(184, 134, 11, .2);--shadow-sm: 0 1px 3px rgba(0, 0, 0, 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#0003;object-fit:contain}.modal__qr-label{font-size:var(--text-sm);color:var(--text-secondary);margin-top:var(--space-sm)}.header__theme-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#d4af3714;border:1.5px solid rgba(212,175,55,.35);color:var(--accent-gold);cursor:pointer;transition:all var(--transition-base);flex-shrink:0;margin-left:var(--space-md)}.header__theme-toggle svg{width:22px;height:22px}.header__theme-toggle:hover{background:#d4af3726;border-color:#ffd70099;color:gold;box-shadow:0 0 20px #d4af3733;transform:rotate(15deg)}.theme-icon--sun{display:none}.theme-icon--moon,[data-theme=light] .theme-icon--sun{display:block}[data-theme=light] .theme-icon--moon{display:none}[data-theme=light] .hero{border-color:#0000000f}[data-theme=light] .cover-art{box-shadow:0 4px 20px #0000001a}[data-theme=light] .book-card{border-color:#0000000f}[data-theme=light] .header{border-bottom:1px solid rgba(0,0,0,.06)}[data-theme=light] .footer{background:#1a1a2e;color:#f1f5f9}[data-theme=light] .footer .footer__desc,[data-theme=light] .footer a{color:#94a3b8}[data-theme=light] .modal__content{background:#fff;border-color:#0000001a}[data-theme=light] .sidebar__section{background:#fffc;border-color:#0000000f}[data-theme=light] .header__nav-link.active{background:#b8860b14}:root[data-theme=light]{color-scheme:light}html[data-theme=light] body:before,html[data-theme=light] body:after{opacity:0;pointer-events:none}html[data-theme=light] #app:before{opacity:0;pointer-events:none}html[data-theme=light] body{background:#f8f6f1}[data-theme=light] .hero{background:linear-gradient(145deg,#f0ebe0,#e8e2d4);border-color:#0000000f}[data-theme=light] .hero__title{color:#1a1a2e}[data-theme=light] .hero__title span{color:#b8860b}[data-theme=light] .hero__subtitle{color:#555568}[data-theme=light] .hero__stat-number{color:#1a1a2e}[data-theme=light] .hero__stat-label{color:#8888a0}[data-theme=light] .hero__cat-pill{background:#0000000a;border-color:#0000001a;color:#555568}[data-theme=light] .hero__random-btn{background:linear-gradient(135deg,#b8860b1a,#b8860b0d);border-color:#b8860b66;color:#8b6914}[data-theme=light] .hero__request-btn{border-color:#b8860b4d;color:#8b6914}[data-theme=light] .header{background:#f8f6f1e6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}[data-theme=light] .header__nav-link{color:#555568}[data-theme=light] .header__nav-link:hover{color:#b8860b}[data-theme=light] .header__search-input{background:#0000000a;border-color:#0000001a;color:#1a1a2e}[data-theme=light] .book-card{background:#ffffffe6;border-color:#0000000f;box-shadow:0 2px 12px #0000000f}[data-theme=light] .book-card__title{color:#1a1a2e}[data-theme=light] .book-card__author{color:#555568}[data-theme=light] .section__title{color:#1a1a2e}[data-theme=light] .section__title:before{background:#b8860b}[data-theme=light] .breadcrumb a{color:#555568}[data-theme=light] .progress-bar{background:#b8860b}[data-theme=light] .back-to-top{background:#ffffffe6;border:1px solid rgba(0,0,0,.1);color:#1a1a2e;box-shadow:0 4px 16px #0000001a}[data-theme=light] .toast{background:#fffffff2;color:#1a1a2e;border-color:#0000001a}[data-theme=light] .book-detail__meta{background:#00000005;border-color:#0000000f}[data-theme=light] .pagination__btn{background:#0000000a;border-color:#0000001a;color:#555568}[data-theme=light] .pagination__btn.active{background:#b8860b;color:#fff}[data-theme=light] .sort-toolbar__btn{background:#0000000a;border-color:#00000014;color:#555568}[data-theme=light] .sort-toolbar__btn.active{background:#b8860b1a;border-color:#b8860b4d;color:#b8860b}[data-theme=light] .sidebar__title{color:#1a1a2e}[data-theme=light] .sidebar__desc,[data-theme=light] .sidebar__section p{color:#555568}[data-theme=light] .sidebar__section h3,[data-theme=light] .sidebar__book-title,[data-theme=light] .sidebar__section a{color:#1a1a2e}[data-theme=light] .sidebar__book-author,[data-theme=light] .sidebar__cat-link{color:#555568}[data-theme=light] .sidebar__cat-link:hover{color:#b8860b}[data-theme=light] .cover-art__title,[data-theme=light] .cover-art__author{color:#fff}[data-theme=light] .book-card__rating{color:#8888a0}[data-theme=light] .sidebar__donate-btn{background:linear-gradient(135deg,#b8860b,#d4a017);color:#fff}[data-theme=light] .header__logo-text{color:#b8860b}[data-theme=light] .book-detail__title{color:#1a1a2e}[data-theme=light] .book-detail__author{color:#555568}[data-theme=light] .book-detail__desc{color:#444}[data-theme=light] .book-detail__meta-value{color:#1a1a2e}[data-theme=light] .book-detail__meta-label{color:#8888a0}[data-theme=light] .book-detail__download{background:linear-gradient(135deg,#b8860b,#d4a017);color:#fff}[data-theme=light] .book-detail__share{background:#0000000a;border-color:#0000001a;color:#555568}[data-theme=light] .book-detail__buy-original{background:linear-gradient(145deg,#b8860b0f,#b8860b05);border-color:#b8860b33}[data-theme=light] .book-detail__buy-text{color:#555568}[data-theme=light] .book-detail__category{background:#b8860b14;color:#b8860b}[data-theme=light] .breadcrumb{color:#8888a0}[data-theme=light] .header__theme-toggle{background:#b8860b14;border-color:#b8860b4d;color:#b8860b}[data-theme=light] .related-books__title{color:#1a1a2e}@media(max-width:768px){html,body{overflow-x:hidden;max-width:100vw}.header__container{padding:0 var(--space-sm);gap:var(--space-xs)}.header__nav,.header__search{display:none}.header__logo-text{font-size:1rem}.header__theme-toggle{width:40px;height:40px;margin-left:auto}.header__hamburger{display:flex}.hero{padding:var(--space-lg) var(--space-md);margin:var(--space-sm);border-radius:var(--radius-lg)}.hero__title{font-size:1.6rem}.hero__desc{font-size:.9rem}.hero__stats{gap:var(--space-md)}.hero__stat-number{font-size:1.4rem}.hero__categories{gap:var(--space-xs)}.hero__cat-btn{font-size:.75rem;padding:6px 10px}.hero__actions{flex-direction:column;gap:var(--space-sm)}.hero__action-btn{width:100%;justify-content:center}.main-layout{grid-template-columns:1fr;gap:var(--space-md);padding:0 var(--space-sm)}.book-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}.section-title{font-size:1.2rem;padding:0 var(--space-sm)}.sidebar{position:static;width:100%}.sidebar__section{padding:var(--space-md)}.book-detail{padding:var(--space-sm)}.book-detail__header{flex-direction:column;gap:var(--space-md)}.book-detail__cover{width:200px;margin:0 auto}.book-detail__info{text-align:center}.book-detail__title{font-size:1.4rem}.book-detail__meta{grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}.book-detail__desc{font-size:.9rem;text-align:left}.book-detail__actions{flex-direction:column;gap:var(--space-sm)}.book-detail__download,.book-detail__share{width:100%;justify-content:center}.book-detail__buy-original{padding:var(--space-md)}.related-books__grid{grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}.breadcrumb{padding:var(--space-sm);font-size:.8rem;flex-wrap:wrap}.modal__content{width:95%;margin:var(--space-sm);padding:var(--space-md);max-height:90vh}.modal__qr-grid{grid-template-columns:1fr}.footer__container{flex-direction:column;text-align:center;gap:var(--space-sm);padding:var(--space-md)}.pagination{flex-wrap:wrap;justify-content:center;gap:var(--space-xs)}.sort-toolbar{flex-wrap:wrap;gap:var(--space-xs);padding:0 var(--space-sm)}.back-to-top{right:var(--space-sm);bottom:var(--space-sm)}.toast-container{left:var(--space-sm);right:var(--space-sm);bottom:var(--space-sm)}.cover-art__title{font-size:.85rem}.cover-art__author{font-size:.7rem}.cover-art__brand{font-size:.5rem}}@media(max-width:480px){.hero{padding:var(--space-md) var(--space-sm);margin:var(--space-xs)}.hero__title{font-size:1.3rem}.hero__stats{flex-direction:row;justify-content:space-around}.hero__stat-number{font-size:1.2rem}.hero__categories{justify-content:center}.book-grid{grid-template-columns:repeat(2,1fr);gap:8px}.book-card__info{padding:var(--space-xs)}.book-detail__cover{width:160px}.book-detail__title{font-size:1.2rem}.book-detail__meta{grid-template-columns:repeat(2,1fr)}.book-detail__meta-value{font-size:1rem}.sidebar__book-item{gap:var(--space-xs)}.footer{font-size:.8rem}}