:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg-primary: #fdf6e3;--bg-secondary: #f5f0e0;--text-primary: #333;--text-secondary: #666;--accent-color: #f0f0ff;--accent-hover: #e8e8ff;--border-color: #e0e0e0;--shadow-color: rgba(0, 0, 0, .1);--card-bg: #fff}body.dark-mode{--bg-primary: #121212;--bg-secondary: #1e1e1e;--text-primary: #f0f0f0;--text-secondary: #bbb;--accent-color: #3d4b6e;--accent-hover: #4a5a85;--border-color: #444;--shadow-color: rgba(0, 0, 0, .3);--card-bg: #2d2d2d}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}body{background-color:var(--bg-primary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}.app{min-height:100vh;display:flex;flex-direction:column}.content{margin-top:65px;flex:1}a{text-decoration:none;color:inherit}button{cursor:pointer}img{max-width:100%;display:block}.navbar,.hero,.featured-books,.book-card,.search-results,input,button{transition:background-color .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s 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.3s}.home-button:hover{background-color:#2563eb}.navbar{display:flex;justify-content:space-between;align-items:center;padding:0rem 4rem;background-color:#fff;position:fixed;top:0;left:0;right:0;z-index:100;width:100%;border-bottom:1px solid #eee;box-shadow:0 2px 8px #0000001a;transition:all .3s ease;height:70px}.navbar.scrolled{background-color:#fffffff2;box-shadow:0 4px 12px #00000026;height:60px;padding:0 3.5rem}.logo img{height:120px;cursor:pointer;width:200px;margin-top:-40px;transition:all .3s ease}.navbar.scrolled .logo img{max-height:45px}.nav-links{display:flex;gap:2rem;cursor:pointer}.nav-links a,.nav-links .active,.nav-links Link{text-decoration:none;color:#333;font-weight:500;font-size:16px;transition:color .3s ease}.nav-links a:hover,.nav-links a.active,.nav-links Link:hover,.nav-links Link.active{color:#000;font-weight:600}.search-container{position:relative}.search-box{height:45px;display:flex;align-items:center;background:#fff;border-radius:50px;padding:.5rem 1rem;box-shadow:0 2px 8px #0000001a}.search-box input{border:none;outline:none;padding:.3rem .5rem;width:200px;font-size:14px;background-color:#fff}.search-button{background:transparent;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#666}.user-profile{position:relative;cursor:pointer;padding:8px;border-radius:50%;transition:background-color .3s}.user-profile:hover{background-color:#0000000d}.profile-dropdown{position:absolute;top:100%;right:0;background-color:#fff;border-radius:8px;box-shadow:0 4px 12px #0000001a;min-width:200px;padding:8px;margin-top:8px;z-index:1000}.dropdown-item{display:flex;align-items:center;gap:12px;padding:12px;color:#333;text-decoration:none;border-radius:6px;transition:background-color .3s}.dropdown-item:hover{background-color:#f0f0ff}.dropdown-item svg{color:#666}.dropdown-item.logout{color:#f44;border:none;background:none;width:100%;text-align:left;font-size:14px;cursor:pointer;margin-top:8px;border-top:1px solid #eee;border-radius:0;padding-top:16px}.dropdown-item.logout:hover{background-color:#fff0f0}.dropdown-item.logout svg{color:#f44}.nav-right{display:flex;align-items:center;gap:15px}.theme-toggle{display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:#333;cursor:pointer;transition:color .2s ease,transform .2s ease;padding:8px;border-radius:50%}.theme-toggle:hover{color:#000;background-color:#0000000d;transform:scale(1.1)}body.dark-mode .theme-toggle{color:#f0f0f0}body.dark-mode .theme-toggle:hover{color:#fff;background-color:#ffffff1a}body.dark-mode .navbar{background-color:#222;border-bottom:1px solid #444}body.dark-mode .navbar.scrolled{background-color:#222222f2}body.dark-mode .nav-divider{background-color:#444}body.dark-mode .nav-links a{color:#e0e0e0}body.dark-mode .nav-links a:hover,body.dark-mode .nav-links a.active{color:#fff}body.dark-mode .search-container{background-color:#333;border-color:#555}body.dark-mode .search-container input{color:#e0e0e0;background-color:#333}body.dark-mode .search-container input::placeholder{color:#999}body.dark-mode .search-btn{color:#aaa}body.dark-mode .profile-icon{color:#e0e0e0}body.dark-mode .profile-icon:hover{color:#fff}body{padding-top:70px;transition:padding-top .3s ease}body.scrolled-page{padding-top:60px}@media (max-width: 768px){.navbar{padding:0 1.5rem}.hamburger{display:flex}.nav-links{position:fixed;top:0;right:-100%;width:70%;height:100vh;background-color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2rem;transition:right .3s ease;box-shadow:-5px 0 15px #0000001a;z-index:10}.nav-links.active{right:0}.search-box input{width:150px}}@media (max-width: 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0;margin-top:8px;z-index:1000}.user-profile-menu-item{display:flex;align-items:center;padding:12px 16px;cursor:pointer;transition:background-color .2s;color:#333}.user-profile-menu-item:hover{background-color:#0000000d}.user-profile-menu-item svg{margin-right:12px}.user-profile-menu-divider{height:1px;background-color:#0000001a;margin:8px 0}.user-profile-menu-item.logout{color:#e74c3c}.user-profile-menu-item.logout:hover{background-color:#e74c3c1a}.hero{display:flex;justify-content:space-between;align-items:center;padding:3rem 6rem;background-color:#fff9e6;min-height:80vh;overflow:hidden;position:relative}.hero-text{flex:1;max-width:50%;text-align:center;animation:fadeInUp 1s ease-out forwards;z-index:5}.hero-text h1{font-size:3.5rem;font-weight:800;margin-bottom:1.5rem;line-height:1.2;opacity:0;animation:slideInFromLeft .8s ease-out .3s forwards}.hero-text p{font-size:1.1rem;color:#666;line-height:1.6;margin-bottom:2rem;opacity:0;animation:slideInFromLeft .8s ease-out .6s forwards}.explore-btn{background-color:#f0f0ff;color:#333;border:none;padding:.8rem 2.5rem;border-radius:50px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;opacity:0;animation:fadeIn .8s ease-out .9s forwards}.explore-btn:hover{background-color:#e8e8ff;transform:translateY(-2px);box-shadow:0 4px 10px #0000001a}.hero-image{flex:1;position:relative;height:500px;display:flex;align-items:center;justify-content:center}.book-carousel{width:100%;height:100%;position:relative;display:flex;align-items:center;justify-content:center;perspective:1500px}.carousel-container{width:100%;height:100%;position:relative;display:flex;align-items:center;justify-content:center;transform-style:preserve-3d;margin:0 auto;perspective:1200px}.carousel-slide{position:absolute;width:280px;height:400px;transition:all .7s ease-in-out;transform-style:preserve-3d;box-shadow:0 10px 30px #0003;border-radius:8px;overflow:hidden;transform-origin:center center;will-change:transform,opacity}.carousel-slide.active{animation:activeBookPulse 5s infinite alternate;cursor:pointer}.carousel-slide.active:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at center,rgba(255,255,255,.3) 0%,transparent 70%);opacity:0;transition:opacity .3s ease;z-index:2;pointer-events:none}.carousel-slide.active:hover:before{opacity:1}.carousel-slide.active:active{transform:translate(0) translateZ(0) rotateY(0) scale(.98)!important;transition:transform .1s ease}.carousel-slide.active:after{content:"Click for details";position:absolute;bottom:15px;left:50%;transform:translate(-50%);background:#0009;color:#fff;padding:5px 10px;border-radius:20px;font-size:12px;opacity:0;transition:opacity .3s ease}.carousel-slide.active:hover:after{opacity:1}.book-cover-wrapper{position:relative;width:100%;height:100%;overflow:hidden;border-radius:8px;transform-style:preserve-3d;background:#fff}.book-cover{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.book-info{position:absolute;bottom:0;left:0;width:100%;padding:20px;background:linear-gradient(to top,rgba(0,0,0,.8),transparent);color:#fff;transform:translateY(100%);transition:transform .5s ease}.book-info h3{font-size:1.4rem;margin-bottom:.3rem}.book-info p{font-size:1rem;font-style:italic}.book-cover-wrapper:hover .book-info{transform:translateY(0)}.book-cover-wrapper:hover .book-cover{transform:scale(1.05)}.carousel-nav{position:absolute;width:40px;height:40px;background:#fffc;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.5rem;font-weight:700;box-shadow:0 2px 10px #0000001a;z-index:20;transition:all .3s ease}.carousel-nav:hover{background:#fff;box-shadow:0 4px 15px #0003;transform:scale(1.1)}.carousel-nav.prev{left:20px}.carousel-nav.next{right:20px}.carousel-dots{position:absolute;bottom:20px;display:flex;gap:8px}.carousel-dot{width:10px;height:10px;border-radius:50%;background:#0003;cursor:pointer;transition:all .3s ease}.carousel-dot.active{background:#000000b3;transform:scale(1.2)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInFromLeft{0%{opacity:0;transform:translate(-50px)}to{opacity:1;transform:translate(0)}}@keyframes activeBookPulse{0%{box-shadow:0 10px 30px #0003}to{box-shadow:0 20px 40px #0006}}@media (max-width: 1024px){.carousel-slide{width:240px;height:360px}.hero{padding:3rem 4rem}}@media (max-width: 768px){.hero{flex-direction:column;padding:2rem}.hero-text{max-width:100%;margin-bottom:2rem}.hero-text h1{font-size:2.5rem}.hero-image{height:400px}.carousel-slide{width:200px;height:300px}}@media (max-width: 480px){.carousel-slide{width:180px;height:270px}.book-info h3{font-size:1.2rem}.book-info p{font-size:.9rem}}.book-detail-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-out;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal-content{width:90%;max-width:900px;background:#fff;border-radius:10px;overflow:hidden;position:relative;box-shadow:0 20px 50px #0006;animation:modalSlideIn .5s cubic-bezier(.175,.885,.32,1.275);max-height:90vh}.close-modal{position:absolute;top:15px;right:15px;width:30px;height:30px;background:none;border:none;font-size:24px;cursor:pointer;z-index:10;color:#333;transition:transform .3s ease}.close-modal:hover{transform:rotate(90deg)}.modal-book-details{display:flex;overflow:hidden}.modal-book-cover{flex:0 0 40%;background:#f7f7f7;padding:30px;display:flex;flex-direction:column;align-items:center}.modal-book-cover img{width:100%;max-height:400px;object-fit:contain;border-radius:5px;box-shadow:0 10px 30px #0003;animation:floatBook 3s infinite ease-in-out alternate}.rating-container{margin-top:20px;text-align:center}.stars{display:flex;justify-content:center;margin-bottom:5px}.star{font-size:24px;margin:0 2px}.full-star{color:#ffc107}.half-star{position:relative;display:inline-block;color:#ffc107}.half-star:after{content:"☆";position:absolute;top:0;left:0;width:50%;overflow:hidden;color:#e0e0e0}.empty-star{color:#e0e0e0}.rating-text{font-size:14px;color:#666}.modal-book-info{flex:0 0 60%;padding:30px;overflow-y:auto;max-height:90vh}.modal-book-info h2{font-size:28px;margin:0 0 5px;color:#333}.modal-book-info h3{font-size:18px;margin:0 0 20px;font-weight:500;color:#666}.publish-year{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid #eee;color:#777}.book-description{font-size:16px;line-height:1.7;margin-bottom:30px;color:#444}.book-actions{display:flex;gap:15px}.action-btn{padding:12px 24px;border-radius:50px;font-weight:600;cursor:pointer;transition:all .3s ease;border:none}.action-btn.primary{background:#f0f0ff;color:#333}.action-btn.primary:hover{background:#e8e8ff;transform:translateY(-2px);box-shadow:0 4px 10px #0000001a}.action-btn.secondary{background:#fff;color:#333;border:1px solid #e0e0e0}.action-btn.secondary:hover{background:#f9f9f9;border-color:#ccc}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(50px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes floatBook{0%{transform:translateY(0)}to{transform:translateY(-10px)}}@media (max-width: 768px){.modal-book-details{flex-direction:column}.modal-book-cover{padding:20px;max-height:300px}.modal-book-cover img{max-height:200px}.modal-book-info{padding:20px}.modal-book-info h2{font-size:24px}.modal-book-info h3{font-size:16px}.book-description{font-size:14px}.book-actions{flex-direction:column}.action-btn{width:100%;padding:10px}}.book-carousel-container{position:relative;width:100%;height:500px;display:flex;justify-content:center;align-items:center;perspective:1200px;overflow:visible;padding:0 40px}.book-carousel-container.paused{overflow:visible}.carousel-wrapper{position:relative;width:400px;height:400px;transform-style:preserve-3d}.circular-carousel{position:relative;width:100%;height:100%;transform-style:preserve-3d;animation:carouselRotate 20s linear infinite}@keyframes carouselRotate{0%{transform:rotateY(0)}to{transform:rotateY(-360deg)}}.carousel-perspective{position:relative;width:100%;height:100%;display:flex;justify-content:center;align-items:center;transform-style:preserve-3d}@keyframes rotate3D{0%{transform:rotateY(0)}to{transform:rotateY(360deg)}}.book-carousel{position:relative;height:100%;width:100%;display:flex;justify-content:center;align-items:center;transform-style:preserve-3d}.carousel-book{position:absolute;width:160px;height:240px;left:calc(50% - 80px);top:calc(50% - 120px);transform-style:preserve-3d;cursor:pointer;transition:transform .3s ease,box-shadow .3s ease;border-radius:12px;overflow:hidden;background:#ffffff1a;box-shadow:0 5px 20px #00000040;border:2px solid transparent;background-clip:padding-box;backface-visibility:hidden;transform-origin:center center}.carousel-book:before{content:"";position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;z-index:-1;background:linear-gradient(45deg,#fff3,#fff6);border-radius:inherit;filter:blur(8px)}.carousel-book img{width:100%;height:100%;object-fit:cover;border-radius:10px;pointer-events:none}.carousel-book:hover{transform:scale(1.05) translateZ(20px);box-shadow:0 8px 30px #00000059;border:2px solid rgba(255,255,255,.3);z-index:1000}.carousel-book.active{transform:scale(1.25) translateZ(60px);box-shadow:0 10px 35px #0006;border:2px solid rgba(255,255,255,.4)}.carousel-book.opening{animation:simpleOpen .5s forwards}@keyframes bookPulse{0%{transform:translateZ(50px) scale(1);box-shadow:0 5px 15px #0003}to{transform:translateZ(60px) scale(1.05);box-shadow:0 8px 20px #0000004d}}@keyframes simpleOpen{0%{transform:translateZ(50px) scale(1)}to{transform:translateZ(100px) scale(1.2)}}.book-cover{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0}.book-label{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:15px;text-align:center;background:linear-gradient(135deg,#ffffff1a,#fff0);color:#333}.book-label span{display:block;margin:5px 0;text-shadow:0 1px 2px rgba(0,0,0,.1)}.book-label span:first-child{font-weight:700;font-size:1.1em;margin-bottom:8px}.carousel-book.focused{z-index:100}.carousel-nav{position:absolute;top:50%;transform:translateY(-50%);background:#fffc;border:none;width:40px;height:40px;border-radius:50%;font-size:1.5rem;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;box-shadow:0 2px 4px #0000001a;transition:all .2s}.carousel-nav:hover{background:#fff;box-shadow:0 4px 8px #0003}.carousel-nav.prev{left:10px}.carousel-nav.next{right:10px}.carousel-dots{position:absolute;bottom:10px;display:flex;justify-content:center;gap:8px;width:100%}.carousel-dot{width:10px;height:10px;border-radius:50%;background:#0003;border:none;cursor:pointer;transition:all .2s ease}.carousel-dot.active{background:#0009;transform:scale(1.2)}.book-detail-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;z-index:1000;display:flex;justify-content:center;align-items:center;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.book-detail-card{background:#fff;width:90%;max-width:900px;height:80%;max-height:600px;border-radius:8px;box-shadow:0 10px 30px #0000004d;overflow:hidden;position:relative;animation:slideUp .4s ease-out}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.close-detail{position:absolute;top:15px;right:15px;background:none;border:none;font-size:24px;color:#333;cursor:pointer;z-index:10}.book-detail-content{display:flex;height:100%;overflow:hidden}.book-detail-cover{flex:0 0 35%;display:flex;justify-content:center;align-items:center;padding:30px;background:#f5f5f5}.book-detail-cover img{max-width:100%;max-height:100%;box-shadow:0 10px 20px #0003;border-radius:4px}.book-detail-cover .no-cover{width:220px;height:330px;background:linear-gradient(135deg,#f0f0f0,#e0e0e0);border-radius:4px;display:flex;justify-content:center;align-items:center;padding:20px;text-align:center;font-weight:700;color:#666;box-shadow:0 5px 15px #0000001a}.book-detail-info{flex:1;padding:30px;overflow-y:auto}.book-detail-info h3{margin:0 0 10px;font-size:1.8rem;color:#333}.author{margin:0 0 15px;color:#666;font-style:italic}.star-rating{display:flex;margin:10px 0}.star{font-size:1.3rem;margin-right:3px}.full-star{color:gold}.half-star{background:linear-gradient(90deg,gold 50%,#ccc 50%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.empty-star{color:#ccc}.review-count{color:#888;margin:5px 0 15px;font-size:.9rem}.publish-year{margin:5px 0 15px;color:#555}.book-description{margin:20px 0;line-height:1.6}.book-description h4{margin:0 0 10px;color:#444}.category-tag{display:inline-block;background:#f1f1f1;color:#666;padding:4px 10px;border-radius:20px;font-size:.8rem;margin:10px 0}.action-buttons{margin-top:25px;display:flex;gap:15px;flex-wrap:wrap}.view-more-btn,.add-to-list-btn{padding:10px 20px;border-radius:4px;font-weight:500;cursor:pointer;transition:all .2s}.view-more-btn{background:#3b82f6;color:#fff;border:none;text-decoration:none}.view-more-btn:hover{background:#2563eb}.add-to-list-btn{background:#fff;color:#3b82f6;border:1px solid #3b82f6}.add-to-list-btn:hover{background:#f8fafc}.featured-books{padding:3rem 6rem;background-color:var(--bg-primary, #fdf6e3)}.featured-books h2{text-align:center;margin-bottom:2rem;font-size:2.2rem;color:var(--text-primary, #333)}.carousel-container{width:100%;margin:0 auto 2rem;min-height:450px}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.book-card{background-color:var(--card-bg, #fff);border-radius:8px;overflow:hidden;box-shadow:0 4px 12px var(--shadow-color, rgba(0, 0, 0, .1));transition:transform .3s ease,box-shadow .3s ease}.book-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px var(--shadow-color, rgba(0, 0, 0, .15))}.book-cover{height:280px;overflow:hidden;display:flex;align-items:center;justify-content:center;background-color:#f5f5f5}.book-cover img{width:100%;height:100%;object-fit:cover}.no-cover{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-color:#eee;color:#999;font-weight:700}.book-info{padding:1.5rem}.book-info h3{font-size:1.2rem;margin-bottom:.5rem;color:var(--text-primary, #333);line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.author{color:var(--text-secondary, #666);margin-bottom:.5rem}.rating{color:#ffc107;margin-bottom:1rem}.view-button{display:inline-block;background-color:var(--accent-color, #f0f0ff);color:var(--text-primary, #333);padding:.6rem 1.2rem;border-radius:4px;text-decoration:none;font-weight:500;transition:background-color .3s ease}.view-button:hover{background-color:var(--accent-hover, #e8e8ff)}.see-all-btn{display:block;width:fit-content;margin:0 auto;background-color:transparent;color:var(--text-primary, #333);border:2px solid var(--accent-color, #f0f0ff);padding:.8rem 2rem;border-radius:4px;text-decoration:none;font-weight:500;transition:all .3s ease}.see-all-btn:hover{background-color:var(--accent-color, #f0f0ff)}.loading{text-align:center;padding:2rem;color:var(--text-secondary, #666)}@media (max-width: 768px){.featured-books{padding:2rem 1rem}.book-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem}}.signup-page{min-height:100vh;background-color:#faf6f1}.signup-container{max-width:1200px;margin:2rem auto;padding:0 1rem}.signup-content{display:flex;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 4px 6px #0000001a}.signup-image{flex:1;position:relative;background-color:#f8f9fa}.signup-image img{width:100%;height:100%;object-fit:cover}.signup-form-container{flex:1;padding:3rem}.signup-form{max-width:400px;margin:0 auto}.signup-form 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ease;margin-bottom:1.5rem}.create-account-btn:hover{background-color:#357abd}.create-account-btn:disabled{background-color:#ccc;cursor:not-allowed}.alt-signup{text-align:center}.alt-signup p{color:#666;margin-bottom:1rem;position:relative}.alt-signup p:before,.alt-signup p:after{content:"";position:absolute;top:50%;width:30%;height:1px;background-color:#e0e0e0}.alt-signup p:before{left:0}.alt-signup p:after{right:0}.social-signup{display:flex;justify-content:center;gap:1rem}.google-btn{display:flex;align-items:center;gap:.5rem;padding:12px 24px;border:1.5px solid #e0e0e0;border-radius:8px;background-color:#fff;color:#333;font-weight:500;cursor:pointer;transition:all .3s ease}.google-btn:hover{background-color:#f8f9fa;border-color:#d0d0d0}.provider-icon{width:20px;height:20px}@media (max-width: 768px){.signup-content{flex-direction:column}.signup-image{display:none}.signup-form-container{padding:2rem 1rem}.form-row{flex-direction:column;gap:0}}.login-page{min-height:100vh;background-color:#faf6f1}.login-container{max-width:1200px;margin:2rem auto;padding:0 1rem}.login-content{display:flex;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 4px 6px #0000001a}.login-form-container{flex:1;padding:3rem}.login-form{max-width:400px;margin:0 auto}.login-form h1{font-size:2rem;color:#1a1a1a;margin-bottom:.5rem}.login-subtitle{color:#666;margin-bottom:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:#333;font-weight:500}.form-group input{width:100%;padding:12px 16px;border:1.5px solid #e0e0e0;border-radius:8px;font-size:1rem;color:#111;background-color:#fff;transition:all .3s ease}.form-group input:focus,.form-group input:hover{border-color:#4a90e2;background-color:#f5f8fa;color:#111}.form-group input::placeholder{color:#999}.form-group input:not(:placeholder-shown){color:#333;font-weight:500}.login-options{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.remember-me{display:flex;align-items:center;gap:.5rem}.remember-me input[type=checkbox]{width:16px;height:16px;accent-color:#4a90e2}.forgot-password{color:#4a90e2;text-decoration:none;font-weight:500}.login-button{width:100%;padding:12px;background-color:#4a90e2;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .3s ease}.login-button:hover{background-color:#357abd}.login-button:disabled{background-color:#ccc;cursor:not-allowed}.signup-prompt{text-align:center;margin-top:1.5rem;color:#666}.signup-prompt a{color:#4a90e2;text-decoration:none;font-weight:500}.login-image{flex:1;position:relative}.login-image img{width:100%;height:100%;object-fit:cover}.image-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(#0000004d,#0006)}.error-message{background-color:#fee;color:#e53e3e;padding:12px;border-radius:8px;margin-bottom:1.5rem;font-size:.9rem}@media (max-width: 768px){.login-content{flex-direction:column}.login-image{display:none}.login-form-container{padding:2rem 1rem}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000bf;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);padding:20px}.modal-content{background:#fff;padding:2.5rem;border-radius:12px;width:95%;max-width:1000px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 8px 32px #0003;display:flex;flex-direction:column}.close-button{position:absolute;top:1rem;right:1rem;background:#fff;border:none;font-size:1.5rem;cursor:pointer;color:#666;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #0000001a;z-index:2}.close-button:hover{color:#333;transform:scale(1.1)}.modal-header{margin-bottom:2rem}.book-info{width:100%;display:flex;flex-direction:column;gap:1.5rem}.book-main-info{margin-bottom:1rem}.book-info h2{font-size:2rem;margin:0 0 .5rem;color:#333;line-height:1.3;word-wrap:break-word}.author{font-size:1.2rem;color:#666;margin:0}.book-metadata{background:#f8f9fa;padding:1.5rem;border-radius:8px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.metadata-item h4{color:#333;margin:0 0 .8rem;font-size:1.1rem}.metadata-item p{margin:.5rem 0;color:#555}.book-details{width:100%;margin-top:2rem;padding-top:2rem;border-top:1px solid #eee}.book-description{margin-bottom:2rem}.book-description h3{color:#333;margin:0 0 1rem;font-size:1.3rem}.book-description p{color:#555;line-height:1.6;margin:0;word-wrap:break-word}.reviews-section{width:100%;margin-top:2rem;padding-top:2rem;border-top:1px solid #eee}.reviews-section h3{color:#333;margin:0 0 1.5rem;font-size:1.3rem}.review-form{background:#f8f9fa;padding:1.5rem;border-radius:8px;margin-bottom:2rem}.rating-input{margin-bottom:1rem}.rating-input label{display:block;margin-bottom:.5rem;color:#555;font-weight:500}.review-input{width:100%;min-height:120px;padding:1rem;border:1px solid #ddd;border-radius:8px;margin:.5rem 0 1rem;font-family:inherit;font-size:1rem;resize:vertical}.review-form button{background:#4a90e2;color:#fff;border:none;padding:.8rem 1.5rem;border-radius:6px;cursor:pointer;font-size:1rem;transition:background .2s}.review-form button:hover{background:#357abd}.reviews-list{display:flex;flex-direction:column;gap:1rem}.review-item{padding:1.5rem;border:1px solid #eee;border-radius:8px;background:#fff}.review-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.review-rating{display:flex;align-items:center;gap:1rem}.review-text{color:#555;line-height:1.6;margin:0}.star-rating{display:flex;gap:.3rem}.star{color:#ddd;font-size:1.2rem;cursor:pointer;transition:color .2s}.star.filled{color:gold}.login-prompt{text-align:center;padding:2rem;background:#f8f9fa;border-radius:8px;color:#666}.no-reviews{text-align:center;padding:2rem;color:#666;background:#f8f9fa;border-radius:8px;font-style:italic}@media (max-width: 768px){.modal-content{padding:1.5rem}.book-info{text-align:center}.book-metadata{grid-template-columns:1fr}.review-header{flex-direction:column;align-items:flex-start;gap:.5rem}}.modal-content::-webkit-scrollbar{width:12px}.modal-content::-webkit-scrollbar-track{background:#f1f1f1;border-radius:6px}.modal-content::-webkit-scrollbar-thumb{background:#888;border-radius:6px;border:3px solid #f1f1f1}.modal-content::-webkit-scrollbar-thumb:hover{background:#666}.star-rating{display:inline-flex;gap:4px;align-items:center}.star-rating.static .star{font-size:18px;cursor:default}.rating-number{margin-left:8px;color:#666;font-size:14px}.book-subjects{margin-top:2rem}.book-subjects h3{font-size:1.25rem;color:#2d3748;margin-bottom:1rem}.subject-tags{display:flex;flex-wrap:wrap;gap:.5rem}.subject-tag{background-color:#edf2f7;color:#4a5568;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;transition:all .2s ease}.subject-tag:hover{background-color:#e2e8f0}.book-excerpt{margin-top:2rem;padding-top:1.5rem;border-top:1px solid #e2e8f0}.book-excerpt h3{font-size:1.25rem;color:#2d3748;margin-bottom:1rem}.excerpt-text{color:#4a5568;line-height:1.6;font-size:1rem;font-style:italic;padding:1rem;background-color:#f7fafc;border-left:4px solid #e2e8f0;margin:1rem 0}.metadata-item{margin-bottom:1rem}.metadata-label{font-weight:600;color:#2d3748;margin-right:.5rem}.metadata-value{color:#4a5568}.book-metadata-summary p{margin:.5rem 0}.publish-info{font-style:italic}.pages-info{color:#555}.isbn{font-family:monospace;color:#666}.books-page{min-height:100vh;background-color:#f8f5e9;padding:20px 0}.books-container{width:100%;max-width:1400px;margin:0 auto;padding:0 40px;box-sizing:border-box}.books-container h1{font-size:2.5rem;color:#333;text-align:center;margin-bottom:40px;font-family:Lobster,cursive}.category-section{position:relative;margin-bottom:50px;padding:0 20px}.category-section h2{font-size:1.8rem;color:#333;margin-bottom:25px;border-left:4px solid #4285f4;padding-left:15px;position:relative}.books-grid-container{position:relative;margin:0 -20px;padding:0 20px}.books-grid{display:flex;gap:20px;padding:10px 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h2{font-size:2rem;margin-bottom:2rem;text-align:center}.info-list{gap:2rem}.info-item{flex-direction:column;align-items:flex-start;gap:.5rem;text-align:left}.info-label,.info-value{font-size:1.2rem;padding-left:0}.info-value{width:100%}}.spinner-container{min-height:100vh;display:flex;align-items:center;justify-content:center}.spinner{width:3rem;height:3rem;border-radius:50%;border:2px solid transparent;border-top-color:#3b82f6;border-bottom-color:#3b82f6;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}:root{--toastify-color-light: #fff;--toastify-color-dark: #121212;--toastify-color-info: #3498db;--toastify-color-success: #07bc0c;--toastify-color-warning: #f1c40f;--toastify-color-error: hsl(6, 78%, 57%);--toastify-color-transparent: rgba(255, 255, 255, .7);--toastify-icon-color-info: var(--toastify-color-info);--toastify-icon-color-success: var(--toastify-color-success);--toastify-icon-color-warning: 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#fff;--toastify-text-color-error: #fff;--toastify-spinner-color: #616161;--toastify-spinner-color-empty-area: #e0e0e0;--toastify-color-progress-light: linear-gradient(to right, #4cd964, #5ac8fa, #007aff, #34aadc, #5856d6, #ff2d55);--toastify-color-progress-dark: #bb86fc;--toastify-color-progress-info: var(--toastify-color-info);--toastify-color-progress-success: var(--toastify-color-success);--toastify-color-progress-warning: var(--toastify-color-warning);--toastify-color-progress-error: var(--toastify-color-error);--toastify-color-progress-bgo: 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