:root[data-theme=dark]{--bg-primary:#121214;--bg-secondary:#1a1a1e;--bg-tertiary:#232329;--border-color:#2e2e36;--text-main:#f5f5f7;--text-muted:#9b9ba6;--text-link:#f43f5e;--text-link-hover:#fb7185;--accent:#f43f5e;--accent-hover:#fb7185;--accent-glow:rgba(244, 63, 94, 0.15);--shadow-sm:0 2px 4px rgba(0, 0, 0, 0.1);--shadow-md:0 8px 16px rgba(0, 0, 0, 0.2);--shadow-lg:0 16px 32px rgba(0, 0, 0, 0.3);--scrollbar-thumb:#3e3e4a;--scrollbar-track:#151518}:root[data-theme=light]{--bg-primary:#f6f6f9;--bg-secondary:#ffffff;--bg-tertiary:#f0f0f4;--border-color:#e2e2e9;--text-main:#1f1f23;--text-muted:#72727e;--text-link:#e11d48;--text-link-hover:#fb7185;--accent:#e11d48;--accent-hover:#be123c;--accent-glow:rgba(225, 29, 72, 0.1);--shadow-sm:0 2px 4px rgba(0, 0, 0, 0.05);--shadow-md:0 8px 20px rgba(0, 0, 0, 0.08);--shadow-lg:0 16px 36px rgba(0, 0, 0, 0.12);--scrollbar-thumb:#cbd5e1;--scrollbar-track:#f1f5f9}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg-primary);color:var(--text-main);font-family:Inter,-apple-system,BlinkMacSystemFont,segoe ui,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;transition:background-color .3s ease,color .3s ease}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.app-container{max-width:1280px;margin:0 auto;padding:20px;min-height:100vh;display:flex;flex-direction:column;gap:20px}.app-main{display:flex;flex-direction:column;gap:20px;flex-grow:1}.app-header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;box-shadow:var(--shadow-sm)}.header-logo{display:flex;align-items:center;gap:12px}.logo-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-hover) 100%);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(244,63,94,.3);flex-shrink:0}.header-logo h1{font-family:Outfit,sans-serif;font-size:1.4rem;font-weight:700;letter-spacing:-.02em}.header-actions{display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:10px;border:1px solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-main);font-family:inherit;font-size:.9rem;font-weight:500;cursor:pointer;transition:background-color .2s,border-color .2s,transform .1s}.btn:hover{background-color:var(--bg-tertiary)}.btn:active{transform:scale(.97)}.btn i{width:18px;height:18px}.btn-icon{padding:9px}.btn-icon .moon-icon{display:none}:root[data-theme=dark] .btn-icon .sun-icon{display:none}:root[data-theme=dark] .btn-icon .moon-icon{display:inline-flex}.auth-area{display:flex;align-items:center;gap:8px}.user-chip{font-family:Outfit,sans-serif;font-weight:600;font-size:.9rem;padding:0 4px;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-discord{background-color:#5865f2;color:#fff;border-color:#5865f2}.btn-discord:hover{background-color:#4752c4}.form-input{width:100%;padding:8px 12px;border-radius:8px;border:1px solid var(--border-color);background-color:var(--bg-primary);color:var(--text-main);font-family:inherit;font-size:.9rem;height:38px;outline:none;transition:border-color .2s,box-shadow .2s}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.filters-container{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:16px;box-shadow:var(--shadow-sm)}.filters-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.filter-group{flex-grow:1;min-width:240px;position:relative}.filter-icon-inside{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);width:16px;height:16px;pointer-events:none}.search-group .form-input{padding-left:36px}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.book-card{display:flex;flex-direction:column;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.book-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--accent)}.book-cover{aspect-ratio:2/3;background-color:var(--bg-tertiary)}.book-cover img{width:100%;height:100%;object-fit:cover}.book-info{display:flex;flex-direction:column;gap:4px;padding:14px 16px 18px}.book-title{font-family:Outfit,sans-serif;font-size:1.05rem;font-weight:600;line-height:1.25}.book-author{font-size:.85rem;color:var(--accent);font-weight:500}.book-excerpt{font-size:.85rem;color:var(--text-muted);line-height:1.45;margin-top:4px}.book-detail{display:grid;grid-template-columns:300px 1fr;gap:32px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:28px;box-shadow:var(--shadow-sm);align-items:start}.book-detail-cover{border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md);position:sticky;top:20px}.book-detail-cover img{width:100%;aspect-ratio:2/3;object-fit:cover}.book-detail-body{display:flex;flex-direction:column;gap:14px}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);font-size:.85rem;font-weight:500;width:fit-content}.back-link:hover{color:var(--accent)}.back-link i{width:16px;height:16px}.book-detail-title{font-family:Outfit,sans-serif;font-size:2rem;font-weight:700;letter-spacing:-.02em;line-height:1.15}.book-detail-author{color:var(--accent);font-weight:600;font-size:1.05rem}.book-detail-resume{color:var(--text-main);font-size:1rem}.book-detail-resume p{margin-bottom:12px}.likes-section{margin-top:12px;padding-top:20px;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:18px}.btn-like{align-self:flex-start;padding:10px 18px;font-size:.95rem;font-weight:600;background-color:var(--accent-glow);color:var(--accent);border-color:var(--accent)}.btn-like i{transition:transform .2s ease}.btn-like:hover{background-color:var(--accent);color:#fff;border-color:var(--accent)}.btn-like.liked{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-hover) 100%);color:#fff;border-color:transparent}.btn-like.liked i{fill:currentColor;transform:scale(1.1)}.likes-title{display:flex;align-items:center;gap:8px;font-family:Outfit,sans-serif;font-size:1rem;font-weight:600;color:var(--text-muted);margin-bottom:12px}.likes-title i{width:18px;height:18px}.likes-count{color:var(--text-muted);font-weight:500}.likes-empty{color:var(--text-muted);font-size:.9rem;font-style:italic}.badge-row{display:flex;flex-wrap:wrap;gap:8px}.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:20px;font-size:.82rem;font-weight:500;white-space:nowrap;background-color:var(--accent-glow);color:var(--accent);border:1px solid var(--accent-glow)}.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:10px;padding:60px 20px;color:var(--text-muted);text-align:center}.empty-state i{width:40px;height:40px;opacity:.5}.app-footer{text-align:center;color:var(--text-muted);font-size:.82rem;padding:8px 0 4px}.shake{animation:shake .4s ease}@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}@media(max-width:760px){.book-detail{grid-template-columns:1fr;gap:20px}.book-detail-cover{position:static;max-width:240px;margin:0 auto}}@media(max-width:600px){.app-container{padding:12px;gap:14px}.app-header{padding:12px 16px;flex-wrap:wrap}.header-logo h1{font-size:1.1rem}.user-chip{max-width:100px}.books-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}.book-detail-title{font-size:1.6rem}}