:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#9ca3af;--accent-color:#a78bfa;--accent-gold:#fbbf24;--bg-card:#1f2937;--bg-body:#111827;--text-main:#f3f4f6;--text-muted:#9ca3af;--transition:all .3s ease;background-color:#111827;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;font-weight:400;line-height:1.5}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.category-nav{flex-wrap:wrap;justify-content:center;gap:1rem;margin:2.5rem 0;display:flex}.category-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:2rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600}.category-btn:hover{color:#fff;background:#ffffff1a}.category-btn.active{background:var(--accent-color);border-color:var(--accent-color);color:#fff;box-shadow:0 0 20px #a78bfa4d}.category-btn.disabled{opacity:.4;cursor:not-allowed}body{background:#111827;min-width:320px;min-height:100vh;margin:0;display:flex}#app{width:100%;max-width:1200px;margin:0 auto;padding:2rem}header{text-align:center;margin-bottom:4rem}.logo-container{justify-content:center;margin-bottom:1rem;display:flex}.main-logo{mix-blend-mode:screen;width:100%;max-width:200px;height:auto;margin:0 auto;display:block}h1{background:linear-gradient(to right, #fff, var(--accent-color));-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;margin-bottom:.5rem;font-size:3.5rem}.subtitle{color:var(--text-muted);max-width:600px;margin:0 auto;font-size:1.1rem}.books-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem;display:grid}.book-card{background:var(--bg-card);transition:var(--transition);cursor:pointer;border:1px solid #374151;border-radius:1rem;flex-direction:column;display:flex;overflow:hidden}.card-cover{object-fit:cover;width:100%;height:250px;transition:var(--transition);border-bottom:1px solid #374151}.book-card:hover .card-cover{transform:scale(1.05)}.card-content{flex-direction:column;justify-content:space-between;height:100%;padding:1.5rem;display:flex}.book-card h3{color:var(--text-main);margin:0 0 .5rem;font-size:1.1rem;font-weight:600;line-height:1.4}.book-author{color:var(--accent-color);margin-bottom:1rem;font-size:.9rem;font-weight:600}.book-card p{color:var(--text-muted);flex-grow:1;font-size:.95rem}.btn-summary{background:linear-gradient(to right, var(--accent-color), #7c3aed);color:#fff;cursor:pointer;transition:var(--transition);border:none;border-radius:.75rem;margin-top:2rem;padding:1rem 2rem;font-weight:600;text-decoration:none;display:inline-block}.btn-summary:hover{filter:brightness(1.1)}.btn-share-tg{background:#22c55e!important}.btn-share-tg:hover{background:#16a34a!important}.btn-share-vk{background:#07f!important}.btn-share-vk:hover{background:#005fcc!important}.summary-container{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:1000;background:#0f172acc;width:100%;height:100%;animation:.3s fadeIn;display:none;position:fixed;top:0;left:0;overflow-y:auto}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.summary-content{background:var(--bg-card);border:1px solid #ffffff1a;border-radius:2rem;max-width:800px;margin:4rem auto;padding:3rem;position:relative;box-shadow:0 25px 50px -12px #00000080}#summary-body{color:var(--text-main);font-size:1.15rem;line-height:1.8}#summary-body h1,#summary-body h2,#summary-body h3{color:#fff;letter-spacing:-.01em;margin-top:2.5rem;margin-bottom:1rem}#summary-body strong{color:var(--accent-gold);font-weight:600}#summary-body ul{margin:1.5rem 0;padding-left:0;list-style:none}#summary-body li{margin-bottom:1rem;padding-left:2rem;position:relative}#summary-body li:before{content:"→";color:var(--accent-color);font-weight:700;position:absolute;left:0}#summary-body p{margin-bottom:1.5rem}.summary-header-info{border-bottom:1px solid #ffffff1a;align-items:flex-start;gap:2rem;margin-bottom:3rem;padding-bottom:2rem;display:flex}.summary-cover{object-fit:cover;border-radius:.5rem;width:120px;height:180px;box-shadow:0 10px 20px #0000004d}.summary-titles h2{margin:0 0 .5rem;font-size:2rem;line-height:1.2}.summary-titles .author{color:var(--accent-color);font-size:1.2rem;font-weight:500}.back-link{color:var(--text-muted);cursor:pointer;align-items:center;gap:.5rem;margin-bottom:2rem;text-decoration:none;display:flex}.back-link:hover{color:#fff}