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.7}.landing-root{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;overflow:hidden;z-index:2000;display:flex;align-items:center;justify-content:center;background:var(--landing-bg);animation:landingFadeIn 1.2s cubic-bezier(.22,.61,.36,1)}@keyframes landingFadeIn{0%{opacity:0;transform:scale(1.04)}to{opacity:1;transform:scale(1)}}.landing-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100vw;height:100vh;animation:contentAppear 1.2s .2s cubic-bezier(.22,.61,.36,1) both}@keyframes contentAppear{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.landing-title{font-family:Rubik,Segoe UI,Arial,sans-serif;font-size:clamp(5.5rem,16vw,13rem);color:var(--landing-title);letter-spacing:.005em;font-weight:900;text-transform:lowercase;margin-bottom:1.2rem;transition:transform .4s cubic-bezier(.22,.61,.36,1),color .3s,text-shadow 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taglineFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:.92;transform:translateY(0)}}.landing-start-btn{pointer-events:auto;padding:20px 64px;font-size:1.4rem;font-family:Rubik,sans-serif;font-weight:700;border-radius:22px;background:linear-gradient(135deg,var(--apple-blue),var(--apple-purple));color:#fff;border:2px solid rgba(255,255,255,.35);box-shadow:0 6px 24px #007aff61,0 0 0 6px #af52de2e;cursor:pointer;transition:background .2s,transform .18s,box-shadow .2s,color .2s,border .2s;margin-top:1.5rem;outline:none;-webkit-user-select:none;user-select:none;animation:btnAppear 1.2s .7s cubic-bezier(.22,.61,.36,1) both;position:relative;overflow:visible;z-index:10}.landing-start-btn:before{content:"";position:absolute;top:-10px;right:-10px;bottom:-10px;left:-10px;border-radius:32px;background:radial-gradient(circle at 60% 40%,var(--apple-purple) 0%,transparent 80%);opacity:.18;z-index:-1;filter:blur(8px);pointer-events:none;transition:opacity .3s}.landing-start-btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:32px;background:linear-gradient(90deg,#ffffff2e,#af52de1a);opacity:.18;z-index:1;filter:blur(1px);pointer-events:none;transition:opacity .3s}.landing-start-btn:hover,.landing-start-btn:focus{background:linear-gradient(135deg,var(--apple-purple) 0%,var(--apple-blue) 100%);transform:scale(1.15);color:#fff;border:2.5px solid rgba(255,255,255,.7);box-shadow:0 0 0 12px #7b2ff238,0 16px 48px 16px var(--apple-blue)}@keyframes btnHoverGlowLightPulse{0%{box-shadow:0 0 0 12px #5856d624,0 0 16px 4px #fff,0 8px 32px 8px #09f,0 0 80px 24px var(--apple-blue),0 0 40px 12px var(--apple-indigo) inset;filter:brightness(1.1) drop-shadow(0 0 32px #0099ff) drop-shadow(0 0 48px #fff)}60%{box-shadow:0 0 0 36px #5856d652,0 0 64px 16px #fff,0 32px 128px 32px #09f,0 0 200px 64px var(--apple-blue),0 0 160px 32px var(--apple-indigo) inset;filter:brightness(1.45) drop-shadow(0 0 192px #0099ff) drop-shadow(0 0 256px #fff)}to{box-shadow:0 0 0 12px #5856d624,0 0 16px 4px #fff,0 8px 32px 8px #09f,0 0 80px 24px var(--apple-blue),0 0 40px 12px var(--apple-indigo) inset;filter:brightness(1.1) drop-shadow(0 0 32px #0099ff) drop-shadow(0 0 48px #fff)}}.landing-start-btn:active{transform:scale(.97);filter:brightness(.96) drop-shadow(0 0 12px var(--apple-blue))}@media (max-width: 600px){.landing-start-btn{padding:14px 32px;font-size:1rem;border-radius:16px}.landing-start-btn:before{top:-4px;right:-4px;bottom:-4px;left:-4px;border-radius:20px}.landing-start-btn:after{top:-1px;right:-1px;bottom:-1px;left:-1px;border-radius:20px}}[data-theme=dark] .landing-start-btn{background:linear-gradient(135deg,var(--apple-blue),var(--apple-purple));color:#fff;box-shadow:0 6px 24px #007aff61,0 0 #af52de2e,0 0 0 6px #af52de2e,0 0 32px 8px #007aff2e;filter:drop-shadow(0 0 24px var(--apple-purple)) drop-shadow(0 0 48px var(--apple-blue))}[data-theme=dark] .landing-start-btn:hover,[data-theme=dark] .landing-start-btn:focus{background:linear-gradient(135deg,var(--apple-purple) 0%,var(--apple-blue) 100%);color:#fff;box-shadow:0 0 0 12px #7b2ff238,0 16px 48px 16px var(--apple-blue),0 0 96px 32px var(--apple-purple),0 0 64px 16px var(--apple-blue);filter:brightness(1.22) drop-shadow(0 0 64px var(--apple-purple)) drop-shadow(0 0 96px var(--apple-blue));animation:btnHoverGlowDark 1.2s linear infinite alternate}[data-theme=dark] .landing-start-btn:active{filter:brightness(.96) drop-shadow(0 0 12px var(--apple-blue))}@keyframes btnHoverGlowDark{0%{box-shadow:0 0 0 12px #7b2ff238,0 16px 48px 16px var(--apple-blue),0 0 96px 32px var(--apple-purple),0 0 64px 16px var(--apple-blue);filter:brightness(1.22) drop-shadow(0 0 64px var(--apple-purple)) drop-shadow(0 0 96px var(--apple-blue))}to{box-shadow:0 0 0 24px #7b2ff252,0 32px 96px 32px var(--apple-blue),0 0 192px 64px var(--apple-purple),0 0 128px 32px var(--apple-blue);filter:brightness(1.32) drop-shadow(0 0 96px var(--apple-purple)) drop-shadow(0 0 128px var(--apple-blue))}}[data-theme=light] .landing-start-btn{background:linear-gradient(135deg,var(--apple-blue),var(--apple-purple));color:#fff;box-shadow:0 6px 24px #007aff40,0 0 #af52de1f,0 0 0 6px #af52de1f,0 0 32px 8px #007aff1f;filter:drop-shadow(0 0 16px var(--apple-purple)) drop-shadow(0 0 24px var(--apple-blue))}[data-theme=light] .landing-start-btn:hover,[data-theme=light] .landing-start-btn:focus{background:linear-gradient(135deg,var(--apple-purple) 0%,var(--apple-blue) 100%);color:#fff;transform:scale(1.15);box-shadow:0 0 0 12px #7b2ff226,0 16px 48px 16px var(--apple-blue),0 0 96px 32px var(--apple-purple),0 0 64px 16px var(--apple-blue);filter:brightness(1.22) drop-shadow(0 0 64px var(--apple-purple)) drop-shadow(0 0 96px var(--apple-blue));animation:btnHoverGlowDark 1.2s linear infinite alternate}[data-theme=light] .landing-start-btn:active{filter:brightness(.96) drop-shadow(0 0 12px var(--apple-blue))}.landing-newformat{position:fixed;left:0;right:0;bottom:24px;z-index:100;font-family:Rubik,sans-serif;font-size:clamp(1rem,1.2vw,1.15rem);color:#b7b7c9;text-align:center;opacity:.7;letter-spacing:.01em;font-weight:500;pointer-events:none;-webkit-user-select:none;user-select:none;animation:taglineFadeIn 1.2s .3s cubic-bezier(.22,.61,.36,1) both}.landing-theme-toggle{position:fixed;top:24px;right:24px;z-index:200;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease;animation:taglineFadeIn 1.2s .4s cubic-bezier(.22,.61,.36,1) both}.landing-theme-toggle:hover{background:#ffffff26;border-color:#ffffff4d;transform:scale(1.1)}.landing-theme-toggle:active{transform:scale(.95)}.landing-theme-toggle svg{font-size:20px;color:#fffc;transition:color .3s ease}.landing-theme-toggle:hover svg{color:#fff}[data-theme=light] .landing-theme-toggle{background:#0000001a;border-color:#00000026}[data-theme=light] .landing-theme-toggle:hover{background:#00000026;border-color:#00000040}[data-theme=light] .landing-theme-toggle svg{color:#000000b3}[data-theme=light] .landing-theme-toggle:hover svg{color:#000000e6}.parallax-circle{position:absolute;border-radius:50%;pointer-events:none;opacity:.12;z-index:1;filter:blur(.5px);animation:circlePulse 8s ease-in-out infinite alternate}.circle1{width:180px;height:180px;background:radial-gradient(circle at 40% 60%,#7b2ff2,#23232a);animation-delay:0s}.circle2{width:120px;height:120px;background:radial-gradient(circle at 60% 40%,#f357a8,#23232a);animation-delay:1.2s}.circle3{width:90px;height:90px;background:radial-gradient(circle at 50% 50%,#7b2ff2,#f357a8);opacity:.13;animation-delay:2.4s}@media (max-width: 600px){.circle1{width:120px;height:120px}.circle2{width:80px;height:80px}.circle3{width:60px;height:60px}}@keyframes circlePulse{0%{filter:blur(.5px) brightness(1)}to{filter:blur(2.5px) brightness(1.12)}}.parallax-dot{position:absolute;width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,#7b2ff2 60%,#f357a8);opacity:.22;z-index:1;box-shadow:0 0 16px 2px #7b2ff2,0 0 8px 1px #f357a8;animation:dotFloat 5s ease-in-out infinite alternate}@media (max-width: 600px){.parallax-dot{width:12px;height:12px;box-shadow:0 0 8px 1px #7b2ff2,0 0 4px .5px #f357a8}}.dot1{animation-delay:.7s}.dot2{animation-delay:2.1s}@keyframes dotFloat{0%{transform:scale(1) translateY(0)}to{transform:scale(1.18) translateY(-12px)}}.parallax-wave{position:absolute;left:0;right:0;bottom:0;height:120px;z-index:1;pointer-events:none;opacity:.18;animation:waveMove 8s ease-in-out infinite alternate}@keyframes waveMove{0%{filter:blur(.5px)}to{filter:blur(2.5px)}}.glow-blob{position:absolute;border-radius:50%;pointer-events:none;z-index:0;filter:blur(24px) brightness(1.1);opacity:.15;animation:blobMove 16s ease-in-out infinite alternate;transition:opacity .5s}.blob1{width:340px;height:340px;background:radial-gradient(circle at 40% 60%,#7b2ff2,#23232a);animation-delay:0s}.blob2{width:220px;height:220px;background:radial-gradient(circle at 60% 40%,#f357a8,#23232a);animation-delay:2.5s}.blob3{width:180px;height:180px;background:radial-gradient(circle at 50% 50%,#7b2ff2,#f357a8);opacity:.16;animation-delay:5s}@media (max-width: 600px){.blob1{width:200px;height:200px}.blob2{width:140px;height:140px}.blob3{width:100px;height:100px}}@keyframes blobMove{0%{transform:scale(1) translateY(0)}to{transform:scale(1.15) translateY(40px)}}.landing-content>*{animation:fadeUp 1.1s cubic-bezier(.22,.61,.36,1) 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4vw;align-items:center;justify-content:flex-start;height:auto;min-height:unset}.landing-start-btn:before{filter:blur(4px);top:-6px;right:-6px;bottom:-6px;left:-6px}.landing-start-btn:after{filter:blur(.5px)}.parallax-circle{opacity:.08;animation-duration:12s}.parallax-dot{opacity:.15;animation-duration:8s}.parallax-wave{opacity:.12;animation-duration:12s}.glow-blob{filter:blur(16px) brightness(1.05);opacity:.1;animation-duration:20s}.landing-title{font-size:4.4rem;margin-bottom:.7rem;line-height:1.08}.landing-tagline{font-size:1.18rem;margin-bottom:1.2rem;margin-top:.1rem;line-height:1.3}.landing-start-btn{padding:15px 0;width:100%;max-width:320px;font-size:1.15rem;margin-top:.7rem;margin-bottom:1.1rem;border-radius:18px}.landing-newformat{font-size:.98rem;bottom:10px;padding:0 8px}.landing-theme-toggle{top:16px;right:16px;width:40px;height:40px}.landing-theme-toggle svg{font-size:18px}}@media (max-width: 480px){.landing-start-btn{box-shadow:0 4px 16px 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6px;border-radius:3px;display:inline-block;width:fit-content}.quality-option-description{font-size:12px;color:#fff9;margin-top:2px}.quality-option-check{color:#4caf50;margin-left:12px}.loading-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}.quality-button.loading{opacity:.7;cursor:not-allowed}.quality-button.error{background:#f4433633;border-color:#f4433666;color:#ffcdd2}[data-theme=dark] .quality-button{background:#ffffff0d;border-color:#ffffff1a}[data-theme=dark] .quality-button:hover{background:#ffffff1a;border-color:#fff3}[data-theme=dark] .quality-dropdown{background:#000000fa;border-color:#ffffff1a}[data-theme=light] .quality-button{background:#0000001a;border-color:#0003;color:#333}[data-theme=light] .quality-button:hover{background:#00000026;border-color:#0000004d}[data-theme=light] .quality-dropdown{background:#fffffffa;border-color:#0000001a;color:#333}[data-theme=light] .quality-option-name{color:#333}[data-theme=light] .quality-option-bitrate{color:#000000b3;background:#0000001a}[data-theme=light] .quality-option-description{color:#0009}.book-selector{padding:12px;max-width:1200px;margin:0 auto;display:flex;flex-direction:column;justify-content:flex-start;overflow:visible;position:absolute;top:0;left:0;right:0;bottom:0;height:100%}.book-selector-loading,.book-selector-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;color:var(--text-secondary);position:relative;border-radius:var(--radius-large);overflow:hidden;background:var(--bg-secondary);padding:40px 20px;text-align:center;font-family:Rubik,sans-serif}.book-selector-loading:before,.book-selector-empty:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#007aff0d,#af52de0d,#007aff0d);opacity:1;transition:opacity var(--transition-medium)}.loading-spinner{width:40px;height:40px;border:3px solid 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rotateY(2deg);border-color:var(--apple-blue)}.book-card:hover:before{opacity:1}.book-cover{position:relative;width:100%;aspect-ratio:1;margin-bottom:8px;border-radius:8px;overflow:hidden;background:var(--bg-tertiary);transform:translateZ(10px)}.book-cover img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}.book-card:hover .book-cover 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#00000026,0 2px 8px #0000001a;border:1px solid rgba(255,255,255,.1);padding:0;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;min-height:240px;max-width:240px;cursor:pointer;position:relative;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-user-select:none;user-select:none;pointer-events:auto}.book-card.modern:hover{box-shadow:0 20px 60px #00000059,0 10px 30px #00000040,0 4px 12px #00000026;transform:translateY(-8px) scale(1.02);border-color:#fff3}.book-card-cover-wrapper{position:relative;width:100%;aspect-ratio:1/1.2;background:linear-gradient(135deg,var(--bg-tertiary),rgba(0,122,255,.05));display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:20px 20px 0 0}.book-card-cover{width:100%;height:100%;object-fit:cover;border-radius:20px 20px 0 0;transition:transform .4s cubic-bezier(.4,0,.2,1);z-index:1;filter:brightness(.95) 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