@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap";@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap";:root{--color-primary: #2563eb;--color-primary-glow: rgba(37, 99, 235, .4);--color-secondary: #0ea5e9;--color-secondary-glow: rgba(14, 165, 233, .4);--color-accent: #3b82f6;--color-bg: #f8fafc;--color-bg-secondary: #f1f5f9;--color-bg-tertiary: #e2e8f0;--color-surface: rgba(255, 255, 255, .7);--color-surface-hover: rgba(255, 255, 255, .9);--color-border: rgba(37, 99, 235, .1);--color-border-glow: rgba(37, 99, 235, .2);--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-tertiary: #64748b;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--gradient-primary: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);--gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);--gradient-glow: linear-gradient(135deg, rgba(37, 99, 235, .2) 0%, rgba(14, 165, 233, .2) 100%);--gradient-text: linear-gradient(to right, #2563eb, #0284c7);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 5rem;--font-family-base: "Outfit", sans-serif;--font-family-display: "Playfair Display", serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2.25rem;--font-size-4xl: 3rem;--font-size-5xl: 4.5rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-glow: 0 0 20px rgba(37, 99, 235, .15);--shadow-neon: 0 0 10px rgba(37, 99, 235, .2), 0 0 20px rgba(37, 99, 235, .1);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family-base);font-size:var(--font-size-base);line-height:1.6;color:var(--color-text-primary);background-color:var(--color-bg);background-image:radial-gradient(at 0% 0%,rgba(37,99,235,.05) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(14,165,233,.05) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(59,130,246,.05) 0px,transparent 50%),radial-gradient(at 0% 100%,rgba(6,182,212,.05) 0px,transparent 50%);background-attachment:fixed;min-height:100vh;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.1;margin-bottom:var(--spacing-md);letter-spacing:-.02em}h1{font-size:var(--font-size-5xl)}h2{font-size:var(--font-size-4xl)}h3{font-size:var(--font-size-2xl)}a{color:var(--color-text-primary);text-decoration:none;transition:all var(--transition-fast)}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--spacing-lg)}.glass{background:var(--color-surface);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-border)}.gradient-text{background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:.75rem 1.5rem;font-family:var(--font-family-base);font-weight:600;font-size:1rem;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);border:1px solid transparent;position:relative;overflow:hidden}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 15px #7c3aed4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #7c3aed80}.btn-secondary{background:#2563eb1a;border-color:#2563eb33;color:var(--color-primary);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.btn-secondary:hover{background:#2563eb33;border-color:var(--color-primary);transform:translateY(-2px)}.btn-outline{background:transparent;border:1px solid var(--color-secondary);color:var(--color-secondary)}.btn-secondary{background:#2563eb1a;color:var(--color-primary);border:1px solid var(--color-border);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.btn-secondary:hover{background:#2563eb33;border-color:var(--color-primary);transform:translateY(-2px);color:var(--color-primary)}.btn-outline{background:transparent;border:1px solid var(--color-primary);color:var(--color-primary)}.btn-outline:hover{background:#2563eb1a;box-shadow:0 0 15px #2563eb4d}.btn-lg{padding:1rem 2rem;font-size:1.125rem}.card{background:linear-gradient(180deg,#ffffff0d,#ffffff05);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-base)}.card:hover{transform:translateY(-5px);background:linear-gradient(180deg,#ffffff14,#ffffff08);border-color:var(--color-border-glow);box-shadow:0 10px 40px -10px #00000080}.card-glass{background:#ffffffb3;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:0 25px 50px -12px #0000001a}.form-input{width:100%;padding:1rem;background:#ffffff80;border:1px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-primary);transition:all var(--transition-base)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px #2563eb1a;background:#fff}.form-label{color:var(--color-text-secondary);font-size:.9rem;margin-bottom:.5rem;display:block}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes glow{0%,to{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}@keyframes slideUpFade{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #8b5cf633}50%{box-shadow:0 0 40px #8b5cf680}}.animate-float{animation:float 6s ease-in-out infinite}.animate-fade-in{animation:slideUpFade .8s cubic-bezier(.16,1,.3,1) forwards}.animate-pulse{animation:pulse-glow 3s infinite}.animate-delay-1{animation-delay:.1s}.animate-delay-2{animation-delay:.2s}.animate-delay-3{animation-delay:.3s}@media(max-width:768px){:root{--font-size-5xl: 3rem;--font-size-4xl: 2.5rem;--spacing-3xl: 3rem}}.spinner{width:40px;height:40px;border:3px solid rgba(139,92,246,.1);border-radius:50%;border-top-color:var(--color-primary);animation:spin 1s linear infinite}.skeleton-base{background-color:var(--color-bg-tertiary);border-radius:var(--radius-md);position:relative;overflow:hidden;margin-bottom:.5rem}.skeleton-shimmer{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(90deg,#fff0,#fff6,#fff0);animation:shimmer 1.5s infinite linear}.skeleton-image{aspect-ratio:3/4;border-radius:var(--radius-xl)}.skeleton-title{margin-bottom:1rem}.skeleton-avatar{border-radius:50%}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.home-page{min-height:100vh;position:relative;overflow:hidden}.hero{padding:var(--spacing-3xl) 0;min-height:90vh;display:flex;align-items:center;position:relative}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-3xl);align-items:center}.hero-title{font-size:4rem;font-weight:800;line-height:1.1;margin-bottom:var(--spacing-lg);letter-spacing:-.02em;color:var(--color-text-primary)}@media(max-width:768px){.hero-title{font-size:2.5rem}}@media(max-width:480px){.hero-title{font-size:2rem}}.text-white{color:var(--color-text-primary)}.hero-description{font-size:1.25rem;color:var(--color-text-secondary);margin-bottom:2.5rem;line-height:1.6;max-width:90%}.hero-actions{display:flex;gap:1rem;margin-bottom:3rem;flex-wrap:wrap}.hero-stats{display:flex;gap:3rem;border-top:1px solid var(--color-border);padding-top:2rem}.hero-stat-item{display:flex;flex-direction:column}.stat-value{font-size:2rem;font-weight:700;color:var(--color-text-primary)}.stat-label{color:var(--color-text-tertiary);font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600}.hero-visual{position:relative;height:500px;display:flex;align-items:center;justify-content:center}.hero-logo-svg-container{width:380px;height:380px;display:flex;align-items:center;justify-content:center;z-index:10;transition:transform .4s ease}.hero-logo-svg-container:hover{transform:scale(1.05)}.hero-logo-svg{width:100%;height:auto;color:var(--color-primary)}.featured-books{padding:var(--spacing-3xl) 0;position:relative;background:linear-gradient(to bottom,transparent,rgba(37,99,235,.02),transparent)}.featured-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2.5rem;margin-bottom:4rem}.book-preview-card{display:flex;flex-direction:column;padding:1.5rem;border-radius:var(--radius-2xl);text-decoration:none;transition:all .4s cubic-bezier(.4,0,.2,1);height:100%}.book-preview-card:hover{transform:translateY(-12px);box-shadow:0 20px 40px -10px #0000004d;border-color:var(--color-primary)}.book-preview-cover{width:100%;aspect-ratio:2/3;border-radius:var(--radius-xl);overflow:hidden;margin-bottom:1.5rem;position:relative;box-shadow:0 8px 16px #0003}.book-preview-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}.book-preview-card:hover .book-preview-cover img{transform:scale(1.1)}.book-preview-placeholder{width:100%;height:100%;background:var(--color-bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:3rem}.book-preview-overlay{position:absolute;inset:0;background:#2563eb66;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.book-preview-card:hover .book-preview-overlay{opacity:1}.view-details-tag{background:#fff;color:var(--color-primary);padding:.6rem 1.2rem;border-radius:var(--radius-full);font-weight:700;font-size:.875rem;transform:translateY(20px);transition:transform .3s ease}.book-preview-card:hover .view-details-tag{transform:translateY(0)}.book-preview-info{flex-grow:1}.book-preview-title{font-size:1.25rem;font-weight:700;color:var(--color-text-primary);margin-bottom:.5rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-clamp:2;overflow:hidden;line-height:1.4}.book-preview-author{font-size:.95rem;color:var(--color-text-secondary);margin-bottom:1rem}.book-preview-meta{display:flex;justify-content:space-between;align-items:center}.book-preview-meta .tag{font-size:.75rem;padding:.25rem .75rem;background:#2563eb1a;color:var(--color-primary);border-radius:var(--radius-full);font-weight:600;text-transform:uppercase}.book-preview-meta .rating{font-size:.875rem;font-weight:700;color:var(--color-text-primary)}.featured-actions{display:flex;justify-content:center}.show-all-btn{display:flex;align-items:center;gap:.75rem;transition:all .3s ease}.show-all-btn:hover{background:var(--color-primary);color:#fff}.show-all-btn .arrow{transition:transform .3s ease}.show-all-btn:hover .arrow{transform:translate(5px)}.loading-featured{height:400px;display:flex;align-items:center;justify-content:center}.spinner-mini{width:40px;height:40px;border:3px solid rgba(37,99,235,.1);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.featured-book-skeleton{display:flex;flex-direction:column;gap:1.5rem;padding:1.5rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-2xl)}.features{padding:var(--spacing-3xl) 0;position:relative;z-index:2}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:3.1rem!important;font-weight:600;color:#00f!important;margin:0 0 .5rem}.section-subtitle{font-size:1.25rem;color:var(--color-text-secondary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{background:#ffffff08;border:1px solid var(--color-border);padding:2.5rem;border-radius:var(--radius-xl);transition:all .4s ease;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.feature-card:hover{transform:translateY(-10px);background:#ffffff0f;border-color:var(--color-primary);box-shadow:0 20px 40px -10px #00000080}.feature-icon-wrapper{width:80px;height:80px;background:#ffffff0d;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:2.5rem;transition:all .4s ease}.feature-card:hover .feature-icon-wrapper{background:var(--color-primary);transform:scale(1.1) rotate(5deg);box-shadow:0 0 30px var(--color-primary-glow)}.feature-card h3{font-size:1.5rem;margin-bottom:1rem;color:var(--color-text-primary)}.feature-card p{color:var(--color-text-secondary);line-height:1.6}.cta-section{padding:var(--spacing-3xl) 0;margin-bottom:var(--spacing-3xl)}.cta-box{padding:4rem;border-radius:2rem;text-align:center;background:linear-gradient(135deg,#8b5cf633,#06b6d433);border:1px solid rgba(255,255,255,.1);position:relative;overflow:hidden}.cta-box:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent)}.cta-content{position:relative;z-index:2;max-width:600px;margin:0 auto}.cta-content h2{font-size:2.5rem;margin-bottom:1rem;background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.cta-content p{font-size:1.25rem;color:var(--color-text-secondary);margin-bottom:2rem}@media(max-width:1024px){.hero-grid{grid-template-columns:1fr;text-align:center;gap:3rem}.book-main-info{text-align:center;width:100%}.hero-title{font-size:3.5rem}.hero-description{margin:0 auto 2.5rem}.hero-actions,.hero-stats{justify-content:center}.hero-visual{height:400px;order:-1}}@media(max-width:768px){.hero-title{font-size:2.2rem!important}.cta-box{padding:2rem}.floating-book-card{width:240px;height:340px}.bg-glow-1,.bg-glow-2{width:300px;height:300px}}.language-dropdown{position:relative;margin-left:.5rem;padding-left:.5rem}.lang-toggle-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#2563eb0d;border:1px solid var(--color-border);border-radius:20px;cursor:pointer;color:var(--color-text-primary);transition:all .3s ease}.lang-toggle-btn:hover{background:#2563eb1a;border-color:var(--color-primary)}.lang-flag{font-size:1.1rem}.lang-code{font-weight:600;font-size:.9rem}.dropdown-arrow{font-size:.6rem;color:var(--color-text-tertiary);transition:transform .3s ease}.dropdown-arrow.open{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:calc(100% + 10px);right:0;width:160px;background:#ffffffe6;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--color-border);border-radius:12px;padding:.5rem;display:flex;flex-direction:column;gap:.2rem;box-shadow:0 10px 40px #0000001a;z-index:1000;animation:slideDown .2s cubic-bezier(.16,1,.3,1);transform-origin:top right}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.dropdown-item{display:flex;align-items:center;gap:.8rem;padding:.6rem 1rem;background:none;border:none;color:var(--color-text-secondary);cursor:pointer;border-radius:8px;transition:all .2s ease;text-align:left;width:100%}.dropdown-item.active{background:#2563eb1a;color:var(--color-primary)}.item-flag{font-size:1.2rem}.item-label{font-size:.9rem;font-weight:500}.auth-page{min-height:100vh;display:flex;overflow:hidden;background:#fff}.auth-left{flex:1;display:flex;align-items:center;justify-content:center;background:#fff;padding:2rem}.auth-illustration-wrapper{max-width:600px;width:100%;animation:fadeIn .8s ease-out}.auth-illustration{width:100%;height:auto;object-fit:contain}.auth-right{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#1e40af);padding:3rem;color:#fff;position:relative}.auth-container{width:100%;max-width:440px;display:flex;flex-direction:column;align-items:center}.university-branding{display:flex;align-items:center;gap:1.5rem;margin-bottom:3rem;width:100%;justify-content:center}.uni-logo-wrapper{display:flex;align-items:center;justify-content:center;margin-bottom:.5rem}.uni-logo-img{height:70px;width:auto;object-fit:contain;filter:brightness(0) invert(1)}.university-name{font-size:1.4rem;font-weight:700;line-height:1.2;text-transform:uppercase;letter-spacing:.05em;max-width:300px}.auth-title{font-size:2rem;font-weight:700;margin-bottom:.5rem;text-align:center}.auth-subtitle{color:#ffffffb3;margin-bottom:2.5rem;text-align:center}.auth-form{width:100%}.auth-input-group{position:relative;margin-bottom:1.5rem;width:100%}.auth-input-icon{position:absolute;left:1.2rem;top:50%;transform:translateY(-50%);color:#1e3a8a99;display:flex;align-items:center;justify-content:center}.auth-input{width:100%;padding:.9rem 1rem .9rem 3.5rem;background:#fff;border:none;border-radius:2rem;color:#333;font-size:1rem;transition:all .3s ease;box-shadow:0 4px 15px #0000001a}.auth-input:focus{box-shadow:0 4px 20px #00000026;transform:translateY(-2px)}.password-toggle{position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);background:transparent;border:none;cursor:pointer;color:#1e3a8a66;display:flex;align-items:center}.auth-input-group.valid .auth-input{border:1px solid #10b981}.auth-input-group.invalid .auth-input{border:1px solid #ef4444}.validation-indicator{position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);font-size:.8rem;pointer-events:none}.indicator-wrapper{position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:.5rem}.password-toggle.relative{position:relative;right:0;top:0;transform:none}.auth-submit-btn{width:100%;padding:1rem;background:#fff3;border:1px solid rgba(255,255,255,.3);border-radius:2rem;color:#fff;font-size:1.1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.8rem;transition:all .3s ease;margin-top:1rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.auth-submit-btn:hover:not(:disabled){background:#ffffff4d;transform:translateY(-2px)}.auth-submit-btn:disabled{opacity:.7;cursor:not-allowed}.auth-footer{margin-top:2rem;font-size:.95rem;color:#fffc}.auth-footer a{color:#fff;font-weight:700;text-decoration:none;border-bottom:1px solid transparent;transition:border .3s}.auth-footer a:hover{border-color:#fff}.auth-lang-wrapper{position:absolute;top:1.5rem;right:1.5rem;z-index:10}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:992px){.auth-left{display:none}}@media(max-width:576px){.auth-right{padding:2rem 1.5rem}.university-branding{gap:1rem;margin-bottom:2rem}.uni-logo-grid{width:45px}.logo-cell{width:14px;height:14px}.university-name{font-size:1.1rem}}.books-page{min-height:100vh;padding:var(--spacing-3xl) 0}.books-header{text-align:center;margin-bottom:var(--spacing-3xl)}.back-link-wrapper{margin-bottom:2rem}.back-btn{background:#2563eb14;border:1px solid var(--color-border);color:var(--color-primary);padding:.6rem 1.2rem;border-radius:var(--radius-lg);font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem}.back-btn:hover{background:var(--color-primary);color:#fff;transform:translate(-5px);box-shadow:0 4px 12px #2563eb33;border-color:transparent}.books-header h1{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-sm)}.books-subtitle{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin:0}.search-form{margin-bottom:var(--spacing-3xl)}.search-input-wrapper{display:flex;gap:var(--spacing-md);max-width:600px;margin:0 auto}.search-input{flex:1}.books-controls{display:flex;flex-direction:column;gap:var(--spacing-lg);margin-bottom:var(--spacing-3xl);max-width:800px;margin-left:auto;margin-right:auto}.books-controls .search-form{margin-bottom:0}.filters-wrapper{display:flex;gap:var(--spacing-md);justify-content:center}.filter-group{flex:1;min-width:150px}.filter-group select{width:100%;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;background-size:1rem;padding-right:2.5rem;appearance:none}.book-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 20px 40px #0000001a;border-color:var(--color-primary)}.book-card-skeleton{display:flex;flex-direction:column;gap:1rem;padding:var(--spacing-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl)}.book-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-clamp:2;overflow:hidden}.book-stats{display:flex;gap:var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-tertiary);margin-top:auto;padding-top:var(--spacing-sm);border-top:1px solid rgba(255,255,255,.05)}.pagination{display:flex;align-items:center;justify-content:center;gap:var(--spacing-lg)}.pagination-info{font-size:var(--font-size-base);color:var(--color-text-secondary)}.empty-state p{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin:0}@media(max-width:768px){.books-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--spacing-md)}.search-input-wrapper{flex-direction:column}.pagination{flex-direction:column;gap:var(--spacing-md)}}.star-rating{display:flex;gap:.25rem}.star-btn{background:none;border:none;cursor:pointer;padding:0;transition:transform .2s;color:var(--color-text-tertiary)}.star-btn .star{font-size:1.5rem;transition:color .2s}.star-btn.active{color:gold}.star-btn.active .star{color:gold;filter:drop-shadow(0 0 5px rgba(255,215,0,.4))}.star-rating:not(.read-only) .star-btn:hover{transform:scale(1.2)}.star-rating:not(.read-only) .star-btn:hover~.star-btn{color:var(--color-text-tertiary)}.size-sm .star{font-size:1rem}.size-md .star{font-size:1.5rem}.size-lg .star{font-size:2rem}.read-only .star-btn{cursor:default}.book-detail-page{min-height:100vh;padding:var(--spacing-3xl) 0}.back-link{display:inline-flex;align-items:center;gap:var(--spacing-xs);color:var(--color-primary);text-decoration:none;margin-bottom:var(--spacing-xl);font-size:var(--font-size-base);transition:var(--transition-base)}.back-link:hover{transform:translate(-4px);color:var(--color-primary-glow)}.book-header{display:grid;grid-template-columns:300px 1fr;gap:var(--spacing-3xl);margin-bottom:var(--spacing-3xl);padding:var(--spacing-2xl);border-radius:var(--radius-xl)}.book-cover-large{width:100%;aspect-ratio:3/4;overflow:hidden;border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-xl);position:relative}.book-cover-large img{width:100%;height:100%;object-fit:cover}.book-cover-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:6rem;background:linear-gradient(135deg,var(--color-surface) 0%,var(--color-bg-tertiary) 100%);color:var(--color-text-tertiary)}.book-main-info{display:flex;flex-direction:column;gap:var(--spacing-lg)}.book-title{font-size:var(--font-size-4xl);font-weight:var(--font-weight-bold);margin:0;line-height:1.2;background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.book-author{font-size:var(--font-size-xl);color:var(--color-text-secondary)}.book-meta-grid{display:flex;flex-wrap:wrap;gap:var(--spacing-md);padding:var(--spacing-lg);background:#ffffff08;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.05)}.meta-item{display:flex;flex-direction:column;gap:var(--spacing-xs);min-width:100px}.meta-label{font-size:var(--font-size-sm);color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.05em}.meta-value{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.book-stats-large{display:flex;gap:var(--spacing-xl);padding:var(--spacing-lg);background:#ffffff08;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.05)}.stat-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.stat-icon{font-size:var(--font-size-2xl);margin-bottom:4px}.stat-value{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.stat-label{font-size:var(--font-size-sm);color:var(--color-text-tertiary)}.book-actions{display:flex;gap:var(--spacing-md);margin-top:auto;flex-wrap:wrap}.btn-lg{padding:.8rem 1.5rem;font-size:1.1rem}.book-content-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:var(--spacing-2xl)}.book-section{margin-bottom:var(--spacing-xl)}.book-section.card{padding:var(--spacing-xl);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.book-section h2{font-size:var(--font-size-xl);margin-bottom:var(--spacing-lg);color:var(--color-text-primary);border-bottom:1px solid var(--color-border);padding-bottom:var(--spacing-md)}.book-description,.author-bio{font-size:var(--font-size-base);line-height:1.8;color:var(--color-text-secondary);margin:0}.review-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.form-group label{display:block;margin-bottom:var(--spacing-sm);color:var(--color-text-secondary)}.auth-message-box{text-align:center;padding:var(--spacing-xl);background:rgba(var(--color-primary-rgb),.05);border-radius:var(--radius-md)}.auth-message-box p{margin-bottom:var(--spacing-md)}.reviews-list{display:flex;flex-direction:column;gap:var(--spacing-lg)}.review-item{padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.review-item:last-child{border-bottom:none;padding-bottom:0}.review-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-sm)}.review-author{font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.review-date{font-size:var(--font-size-sm);color:var(--color-text-tertiary)}.review-rating{margin-bottom:var(--spacing-sm)}.review-text{font-size:.95rem;line-height:1.6;color:var(--color-text-secondary)}.no-reviews{text-align:center;color:var(--color-text-tertiary);padding:var(--spacing-xl);font-style:italic}@media(max-width:1024px){.book-content-grid{grid-template-columns:1fr}}@media(max-width:768px){.navbar-brand span{display:none}.navbar-logo{height:32px!important}.book-header{grid-template-columns:1fr!important;padding:var(--spacing-lg)!important;gap:var(--spacing-xl)!important}.book-cover-large{width:220px!important;margin:0 auto!important;box-shadow:var(--shadow-lg)!important}.book-main-info{text-align:center!important;width:100%!important}.book-title{font-size:2rem!important;margin-bottom:var(--spacing-xs)!important}.book-meta-grid{justify-content:center!important;padding:var(--spacing-md)!important;display:grid!important;grid-template-columns:1fr 1fr!important;text-align:left!important}.book-stats-large{justify-content:center!important;gap:var(--spacing-lg)!important}.book-actions{justify-content:center!important;width:100%!important;gap:10px!important}.book-actions .btn{width:100%!important;justify-content:center!important}}.library-page{min-height:100vh;padding:var(--spacing-3xl) 0}.library-header{text-align:center;margin-bottom:var(--spacing-3xl)}.library-header h1{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-sm)}.library-subtitle{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin:0}.library-search-container{position:relative;max-width:500px;margin:var(--spacing-xl) auto 0}.library-search-input{width:100%;padding:var(--spacing-sm) var(--spacing-3xl) var(--spacing-sm) var(--spacing-xl);font-size:var(--font-size-md);border-radius:var(--radius-full)}.search-icon{position:absolute;right:20px;top:50%;transform:translateY(-50%);opacity:.6;pointer-events:none}.book-added{margin-top:auto;padding-top:var(--spacing-sm);border-top:1px solid rgba(255,255,255,.05);font-size:var(--font-size-sm);color:var(--color-text-tertiary)}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--spacing-xl);margin-bottom:var(--spacing-3xl)}.book-card{display:flex;flex-direction:column;padding:0;overflow:hidden;cursor:pointer;transition:all var(--transition-base);text-decoration:none;color:inherit}.book-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl)}.book-cover{width:100%;aspect-ratio:3/4;overflow:hidden;background:var(--color-surface);position:relative}.book-cover img{width:100%;height:100%;object-fit:cover}.book-cover-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:4rem;background:linear-gradient(135deg,var(--color-surface) 0%,var(--color-bg-tertiary) 100%)}.book-info{padding:var(--spacing-lg);flex:1;display:flex;flex-direction:column;gap:var(--spacing-sm)}.book-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);margin:0;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-author{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0}.book-meta{display:flex;align-items:center;gap:var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-tertiary)}.book-language,.book-rating{display:flex;align-items:center;gap:var(--spacing-xs)}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;gap:var(--spacing-lg)}.loading-state p{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin:0}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:40vh;gap:var(--spacing-md);text-align:center}.empty-icon{font-size:5rem}.empty-state h3{font-size:var(--font-size-2xl);margin:0}.empty-state p{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin:0 0 var(--spacing-lg) 0}@media(max-width:768px){.books-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--spacing-md)}}.book-cover-link,.book-title-link{text-decoration:none;color:inherit;display:block}.book-footer{border-top:1px solid rgba(255,255,255,.1);padding-top:var(--spacing-sm);margin-top:auto;display:flex;justify-content:space-between;align-items:center}.book-added-date{font-size:.8rem;color:var(--color-text-tertiary)}.btn-remove{background:transparent;border:none;cursor:pointer;font-size:1.2rem;padding:.4rem;border-radius:var(--radius-sm);transition:all .2s;opacity:.7}.btn-remove:hover{background:#ff32321a;opacity:1;transform:scale(1.1)}.book-card{position:relative;cursor:default}.profile-page-pro{min-height:calc(100vh - 80px);padding:2rem;background:linear-gradient(135deg,#0f172a,#1e293b,#0f172a)}.profile-container{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:320px 1fr;gap:2rem}.profile-sidebar{background:#1e293bcc;border-radius:20px;border:1px solid rgba(255,255,255,.1);overflow:hidden;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);height:fit-content;position:sticky;top:100px}.profile-avatar-section{padding:2.5rem 2rem;text-align:center;background:linear-gradient(135deg,#3b82f61a,#8b5cf61a);border-bottom:1px solid rgba(255,255,255,.1)}.profile-avatar-large{width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#8b5cf6);display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:700;color:#fff;margin:0 auto 1.25rem;box-shadow:0 10px 30px #3b82f64d,0 0 0 4px #ffffff1a}.profile-name{font-size:1.5rem;font-weight:700;color:#f8fafc;margin:0 0 .75rem}.profile-role-badge{display:inline-block;padding:.375rem 1rem;border-radius:20px;font-size:.8rem;font-weight:600;color:#fff;margin-bottom:.75rem}.profile-email{color:#94a3b8;font-size:.9rem;margin:0}.profile-stats{padding:1.5rem}.stat-item{display:flex;align-items:center;gap:.75rem;padding:.875rem 1rem;border-radius:12px;color:#94a3b8;font-size:.9rem;transition:all .2s;cursor:pointer;margin-bottom:.5rem}.stat-item:hover{background:#3b82f61a;color:#60a5fa}.logout-sidebar-item{margin-top:1.5rem;color:#fca5a5;background:#ef44440d;border:1px solid rgba(239,68,68,.1)}.logout-sidebar-item:hover{background:#ef444426;color:#ef4444;border-color:#ef44444d;transform:translateY(-2px);box-shadow:0 4px 12px #ef44441a}.profile-content{background:#1e293bcc;border-radius:20px;border:1px solid rgba(255,255,255,.1);padding:2rem;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.profile-tabs{display:flex;gap:.5rem;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid rgba(255,255,255,.1)}.tab-btn{display:flex;align-items:center;gap:.5rem;padding:.875rem 1.5rem;background:transparent;border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#94a3b8;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s}.tab-btn:hover{background:#ffffff0d;color:#f8fafc}.tab-btn.active{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border-color:transparent;box-shadow:0 4px 15px #3b82f64d}.alert-pro{display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;border-radius:12px;margin-bottom:1.5rem;font-size:.9rem}.alert-pro.alert-error{background:#ef444426;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.alert-pro.alert-success{background:#22c55e26;border:1px solid rgba(34,197,94,.3);color:#86efac}.form-section{margin-bottom:2rem}.section-title{font-size:1.1rem;font-weight:600;color:#f8fafc;margin:0 0 .5rem}.section-desc{color:#64748b;font-size:.875rem;margin:0 0 1.5rem}.form-group-pro{margin-bottom:1.5rem}.form-group-pro label{display:flex;align-items:center;gap:.5rem;color:#94a3b8;font-size:.875rem;font-weight:500;margin-bottom:.625rem}.form-group-pro label svg{opacity:.7}.input-pro{width:100%;padding:.875rem 1.25rem;background:#0f172a80;border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#f8fafc;font-size:.95rem;transition:all .2s}.input-pro:focus{outline:none;border-color:#3b82f6;background:#3b82f61a;box-shadow:0 0 0 3px #3b82f626}.input-pro.disabled{opacity:.6;cursor:not-allowed;background:#0003}.input-pro::placeholder{color:#64748b}.input-hint{display:block;color:#64748b;font-size:.8rem;margin-top:.5rem}.form-row-pro{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.form-actions-pro{margin-top:2rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:flex-end}.btn-save-pro{display:flex;align-items:center;gap:.625rem;padding:.875rem 2rem;background:linear-gradient(135deg,#3b82f6,#2563eb);border:none;border-radius:12px;color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-save-pro:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px #3b82f64d}.btn-save-pro:disabled{opacity:.7;cursor:not-allowed}.btn-spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}.profile-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;color:#94a3b8;gap:1rem}@media(max-width:900px){.profile-container{grid-template-columns:1fr}.profile-sidebar{position:static}}@media(max-width:600px){.profile-page-pro{padding:1rem}.profile-content{padding:1.5rem}.profile-tabs{flex-direction:column}.form-row-pro{grid-template-columns:1fr}}:root{--primary: #4f46e5;--primary-light: #818cf8;--primary-dark: #3730a3;--secondary: #ec4899;--accent: #10b981;--bg-dark: #0f172a;--surface-dark: #1e293b;--surface-light: rgba(255, 255, 255, .7);--glass-bg: rgba(255, 255, 255, .6);--glass-border: rgba(255, 255, 255, .8);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .07);--glass-blur: blur(12px);--text-main: #1e293b;--text-muted: #64748b;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}.admin-layout{display:flex;min-height:100vh;background:linear-gradient(120deg,#e0c3fc,#8ec5fc);background-size:200% 200%;animation:gradientBG 15s ease infinite;font-family:Outfit,sans-serif;color:var(--text-main)}@keyframes gradientBG{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.admin-sidebar{width:88px;background:#0f172ad9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-right:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;position:fixed;height:100vh;left:0;top:0;z-index:100;align-items:center;padding-top:1.5rem;box-shadow:4px 0 24px #0003}.admin-sidebar-header{margin-bottom:2.5rem;cursor:pointer;position:relative}.sidebar-icon-btn{width:52px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:14px;color:#fff;font-size:1.5rem;background:linear-gradient(135deg,#ffffff1a,#fff0);border:1px solid rgba(255,255,255,.18);box-shadow:0 4px 15px #0000001a;cursor:pointer;transition:var(--transition)}.sidebar-icon-btn:hover{background:#ffffff26;transform:translateY(-2px);box-shadow:0 8px 20px #4f46e566}.admin-nav{display:flex;flex-direction:column;gap:1.25rem;width:100%;align-items:center}.admin-nav-item{width:52px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:14px;color:#94a3b8;transition:var(--transition);text-decoration:none;font-size:1.4rem;position:relative;overflow:hidden}.admin-nav-item:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:var(--primary);border-radius:50%;transform:translate(-50%,-50%);transition:width .4s ease,height .4s ease;z-index:-1}.admin-nav-item:hover,.admin-nav-item.active{color:#fff;transform:scale(1.05)}.admin-nav-item:hover:before,.admin-nav-item.active:before{width:120%;height:120%;background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:0 0 15px var(--primary-light)}.admin-main{flex:1;margin-left:88px;display:flex;flex-direction:column;min-height:100vh;padding:1.5rem}.admin-header{height:76px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:20px;display:flex;justify-content:space-between;align-items:center;padding:0 2rem;margin-bottom:2rem;box-shadow:var(--glass-shadow);position:sticky;top:1.5rem;z-index:90}.header-brand{display:flex;align-items:center;gap:1.25rem}.uni-logo-header{height:44px;width:auto;object-fit:contain;filter:drop-shadow(0 4px 6px rgba(0,0,0,.1))}.uni-title{font-weight:800;background:linear-gradient(to right,#1e3a8a,#4f46e5);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:1.1rem;line-height:1.2;text-transform:uppercase;max-width:250px;letter-spacing:.5px}.header-user{display:flex;align-items:center;gap:2rem}.lang-selector{display:flex;align-items:center;gap:.5rem;font-size:.95rem;font-weight:600;color:var(--text-muted);cursor:pointer;background:#ffffff80;padding:.5rem 1rem;border-radius:12px;transition:var(--transition)}.lang-selector:hover{background:#fff;color:var(--primary);box-shadow:0 4px 12px #0000000d}.user-profile{display:flex;align-items:center;gap:1rem;padding:.5rem;border-radius:14px;transition:var(--transition);cursor:pointer}.user-profile:hover{background:#ffffff80}.user-avatar{width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:#fff;box-shadow:0 4px 10px #4f46e54d;border:2px solid white}.user-info{display:flex;flex-direction:column}.user-name{font-weight:700;font-size:.95rem;color:var(--text-main)}.user-role{font-size:.8rem;color:var(--primary);font-weight:600;letter-spacing:.5px;text-transform:uppercase}.admin-content{flex:1;animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.admin-table-container{background:#fff;border-radius:12px;box-shadow:0 1px 3px #0000001a;overflow:hidden;border:1px solid #e2e8f0;margin-top:1.5rem}.admin-table{width:100%;border-collapse:collapse;white-space:nowrap}.admin-table th{background:#f8fafc;padding:1rem 1.5rem;text-align:left;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#64748b;border-bottom:1px solid #e2e8f0}.admin-table tbody tr{transition:all .2s ease;border-bottom:1px solid #f1f5f9}.admin-table tbody tr:hover{background-color:#f8fafc}.admin-table tbody tr:last-child{border-bottom:none}.admin-table td{padding:1rem 1.5rem;color:#334155;vertical-align:middle}.admin-table-container{background:#fff;border-radius:16px;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008;overflow:hidden;border:1px solid #e2e8f0;margin-top:2rem}.admin-table{width:100%;border-collapse:separate;border-spacing:0;table-layout:fixed}.col-cover{width:90px}.col-title{width:35%}.col-author{width:25%}.col-status{width:140px}.col-actions{width:120px}.admin-table th{background:#f8fafc;padding:1.25rem 1rem;font-size:.75rem;font-weight:700;letter-spacing:.05em;color:#64748b;text-transform:uppercase;border-bottom:1px solid #e2e8f0;white-space:nowrap}.admin-table td{padding:1.25rem 1rem;vertical-align:middle;border-bottom:1px solid #f1f5f9;color:#334155;background:#fff;transition:background .2s}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover td{background:#f8fafc}.col-cover,td.col-cover{text-align:center}.table-book-cover{width:52px;height:78px;border-radius:8px;overflow:hidden;margin:0 auto;background:#f1f5f9;box-shadow:0 4px 6px #00000014;transition:transform .2s}.table-book-cover:hover{transform:translateY(-2px)}.table-book-cover img{width:100%;height:100%;object-fit:cover}.col-title,td.col-title{text-align:left}.table-book-title{font-family:Inter,sans-serif;font-weight:600;color:#0f172a;font-size:1rem;line-height:1.4;display:block;margin-bottom:.35rem}.table-book-format{display:inline-flex;align-items:center;padding:2px 8px;background:#eff6ff;color:#2563eb;border-radius:6px;font-size:.7rem;font-weight:700;letter-spacing:.02em}.table-stats{display:flex;gap:1.25rem;font-size:.8rem;color:#64748b;margin-top:.5rem}.stat-item{display:flex;align-items:center;gap:.4rem;font-weight:500}.stat-item svg{opacity:.7}.col-author,td.col-author{text-align:left}.table-author-name{font-weight:600;color:#334155;font-size:.95rem;margin-bottom:.25rem}.table-author-meta{font-size:.85rem;color:#64748b}.col-status,td.col-status{text-align:center}th.col-status{text-align:center!important}.status-badge{padding:.35rem .85rem;border-radius:99px;font-size:.75rem;font-weight:600;display:inline-flex;align-items:center;gap:.5rem;border:1px solid transparent}.status-badge.active{background:#dcfce7;color:#166534;border-color:#bbf7d0}.status-badge.inactive{background:#fee2e2;color:#991b1b;border-color:#fecaca}.status-dot{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 0 2px #16653433}.col-actions,td.col-actions{text-align:center}th.col-actions{text-align:center!important}.action-buttons{display:flex;justify-content:center;gap:.5rem;position:relative;z-index:10}.action-btn{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);border:1px solid #e2e8f0;background:#fff;color:#64748b}.action-btn:hover{transform:translateY(-1px);box-shadow:0 2px 4px #0000000d}.action-btn.edit:hover{color:#2563eb;background:#eff6ff;border-color:#bfdbfe}.action-btn.delete:hover{color:#ef4444;background:#fef2f2;border-color:#fecaca}.admin-table-container{overflow-x:auto;border:1px solid #e2e8f0;border-radius:12px}.admin-header-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.admin-page-title{font-size:1.8rem;font-weight:700;color:#1e293b;margin:0}.btn-primary{background:#2563eb;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all .2s;box-shadow:0 4px 6px #2563eb33}.btn-primary:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:0 6px 12px #2563eb4d}.empty-state{padding:4rem;text-align:center;color:#64748b;display:flex;flex-direction:column;align-items:center;gap:1rem}.empty-icon{font-size:3rem;opacity:.5}.book-upload-wrapper{background:#fff;border-radius:4px;box-shadow:0 4px 6px -1px #0000001a;overflow:hidden;max-width:1200px;margin:0 auto;border:1px solid #e2e8f0}.form-header-title{font-size:1.5rem;font-weight:700;padding:1.5rem 2rem;border-bottom:1px solid #f1f5f9;margin:0;color:#0f172a}.upload-form-grid{display:grid;grid-template-columns:350px 1fr;gap:3rem;padding:2rem}.cover-upload-section{display:flex;flex-direction:column;gap:1.5rem;position:sticky;top:2rem;z-index:5}.image-preview-box{width:100%;height:450px;border:2px dashed #cbd5e1;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f8fafc;cursor:pointer;transition:all .2s;position:relative;overflow:hidden}.image-preview-box:hover{border-color:#3b82f6;background:#f0f9ff}.image-preview-img{width:100%;height:100%;object-fit:cover}.placeholder-icon{font-size:4rem;color:#94a3b8;margin-bottom:1rem}.select-image-btn{padding:.5rem 1.5rem;background:#fff;border:1px solid #cbd5e1;border-radius:6px;font-weight:500;color:#64748b;margin-top:1rem}.hidden-input{display:none}.details-form-section{display:flex;flex-direction:column;gap:1.5rem}.form-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;align-items:flex-start}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group.full-width{grid-column:1 / -1}.form-group label{font-weight:600;font-size:.9rem;color:#334155}.form-control{padding:.75rem 1rem;border:1px solid #e2e8f0;border-radius:8px;font-size:.95rem;color:#1e293b;outline:none;transition:border-color .2s;background:#f8fafc}.form-control:focus{border-color:#3b82f6;background:#fff;box-shadow:0 0 0 3px #3b82f61a}.form-control::placeholder{color:#cbd5e1}textarea.form-control{resize:vertical;min-height:120px}select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right .5rem center;background-repeat:no-repeat;background-size:1.5em 1.5em;padding-right:2.5rem}.form-footer-action{margin-top:2rem;display:flex;justify-content:space-between;align-items:center;padding-top:1.5rem;border-top:1px solid #f1f5f9}.file-attachment-box{width:80px;height:80px;border:2px dashed #cbd5e1;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;color:#64748b;font-size:.8rem}.file-attachment-box:hover{border-color:#3b82f6;color:#3b82f6}.file-attachment-box.has-file{border-color:#10b981;background:#ecfdf5;color:#059669}.file-attachment-box.has-file:hover{border-color:#059669;background:#d1fae5}.attach-icon{font-size:1.5rem;margin-bottom:.25rem}.save-btn{padding:.75rem 3rem;background:#818cf8;color:#fff;border:none;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;transition:background .2s;box-shadow:0 4px 6px #818cf833}.save-btn:hover{background:#6366f1;transform:translateY(-1px)}.save-btn:disabled{background:#cbd5e1;cursor:not-allowed}@media(max-width:1024px){.upload-form-grid{grid-template-columns:1fr}.image-preview-box{height:300px}}.admin-dashboard{padding:0}.admin-title{font-size:2rem;font-weight:800;color:#0f172a;margin-bottom:2rem;display:flex;align-items:center;gap:.75rem}.admin-title:before{content:"📊";font-size:1.5rem}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:3rem;position:relative;z-index:10}@media(max-width:1200px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.stats-grid{grid-template-columns:1fr}}.stat-card{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:24px;padding:2rem;display:flex;align-items:center;gap:1.5rem;box-shadow:0 8px 32px #0000000d;border:1px solid var(--glass-border);transition:var(--transition);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;inset:0;border-radius:24px;padding:2px;background:linear-gradient(135deg,#fffc,#fff0);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.stat-card:hover{transform:translateY(-8px);background:#fffc;box-shadow:0 20px 40px #00000014,0 0 20px #ffffff80}.stat-card:nth-child(1) .stat-icon{background:linear-gradient(135deg,#3b82f6,#60a5fa);box-shadow:0 10px 25px -5px #3b82f699}.stat-card:nth-child(2) .stat-icon{background:linear-gradient(135deg,#10b981,#34d399);box-shadow:0 10px 25px -5px #10b98199}.stat-card:nth-child(3) .stat-icon{background:linear-gradient(135deg,#f59e0b,#fbbf24);box-shadow:0 10px 25px -5px #f59e0b99}.stat-card:nth-child(4) .stat-icon{background:linear-gradient(135deg,#8b5cf6,#a78bfa);box-shadow:0 10px 25px -5px #8b5cf699}.stat-icon-wrapper{position:relative}.stat-icon-wrapper:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:inherit;filter:blur(20px);z-index:-1;opacity:.6;transition:var(--transition)}.stat-card:hover .stat-icon-wrapper:after{opacity:1;width:70px;height:70px}.stat-icon{width:68px;height:68px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;flex-shrink:0;position:relative;z-index:1;transition:transform .4s cubic-bezier(.34,1.56,.64,1)}.stat-card:hover .stat-icon{transform:scale(1.15) rotate(8deg)}.stat-info{flex:1;min-width:0}.stat-info h3{font-size:2.5rem;font-weight:800;color:var(--text-main);margin:0 0 .25rem;line-height:1;background:linear-gradient(135deg,var(--primary-dark),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-1px}.stat-info p{font-size:.95rem;color:var(--text-muted);margin:0;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.admin-section{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:24px;padding:2.5rem;box-shadow:var(--glass-shadow);border:1px solid var(--glass-border);margin-bottom:2rem;position:relative}.admin-section h2{font-size:1.4rem;font-weight:800;color:var(--text-main);margin:0 0 2rem;display:flex;align-items:center;gap:.75rem;letter-spacing:-.5px}.admin-section h2:before{content:"✨";font-size:1.25rem;animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:.7}to{transform:scale(1);opacity:1}}.admin-section .admin-table-container,.admin-table-container{margin-top:0;border-radius:16px;overflow:hidden;background:#fff6;border:1px solid rgba(255,255,255,.5);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.admin-section .admin-table th,.admin-table th{background:#ffffffb3;padding:1.25rem 1.5rem;font-size:.8rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;border-bottom:1px solid rgba(0,0,0,.05)}.admin-section .admin-table td,.admin-table td{padding:1.25rem 1.5rem;font-size:.95rem;color:var(--text-main);border-bottom:1px solid rgba(0,0,0,.03);vertical-align:middle;background:transparent;font-weight:500}.admin-section .admin-table tbody tr,.admin-table tbody tr{transition:var(--transition)}.admin-section .admin-table tbody tr:hover,.admin-table tbody tr:hover{background:#fff9;transform:scale(1.002);box-shadow:0 4px 12px #00000005}.admin-section .admin-table tbody tr:last-child td,.admin-table tbody tr:last-child td{border-bottom:none}.admin-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:1.5rem}.admin-loading .spinner{width:60px;height:60px;border:4px solid rgba(79,70,229,.2);border-top-color:var(--primary);border-radius:50%;animation:spin 1s cubic-bezier(.68,-.55,.265,1.55) infinite}.admin-loading p{color:var(--primary);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.9rem}.admin-section .empty-state,.empty-state{padding:4rem;text-align:center;color:var(--text-muted);background:#fff6;border-radius:20px;border:2px dashed rgba(79,70,229,.2)}.admin-section .empty-icon,.empty-icon{font-size:4rem;margin-bottom:1.5rem;display:block;filter:drop-shadow(0 4px 6px rgba(0,0,0,.1))}.admin-controls{margin-bottom:2rem}.search-form-pro{width:100%}.search-input-wrapper{position:relative;display:flex;align-items:center}.search-input-pro{width:100%;padding:1rem 4rem 1rem 1.5rem;background:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid transparent;border-radius:16px;font-size:1rem;font-weight:500;color:var(--text-main);transition:var(--transition);box-shadow:0 8px 24px #0000000a}.search-input-pro:focus{outline:none;border-color:#4f46e566;background:#fff;box-shadow:0 12px 32px #4f46e526}.search-input-pro::placeholder{color:#94a3b8}.search-btn-pro{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--secondary));border:none;border-radius:12px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);box-shadow:0 4px 12px #ec48994d}.search-btn-pro:hover{transform:translateY(-50%) scale(1.05) rotate(5deg);box-shadow:0 6px 16px #ec489980}.search-btn-pro:active{transform:translateY(-50%) scale(.95)}.admin-header-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem}.admin-page-title{font-size:2.2rem;font-weight:800;color:var(--text-main);margin:0;letter-spacing:-.5px}.btn-primary{background:linear-gradient(135deg,var(--primary),#6366f1);color:#fff;border:none;padding:.875rem 1.75rem;border-radius:14px;font-weight:700;font-size:1rem;cursor:pointer;display:flex;align-items:center;gap:.75rem;transition:var(--transition);box-shadow:0 8px 20px #4f46e54d}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-dark),var(--primary));transform:translateY(-2px);box-shadow:0 12px 25px #4f46e566}.action-buttons{display:flex;justify-content:center;gap:.75rem}.action-btn{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);border:none;background:#fff9;color:var(--text-muted);box-shadow:0 2px 8px #0000000d}.action-btn:hover{transform:translateY(-2px) rotate(5deg)}.action-btn.edit:hover{color:var(--primary);background:#fff;box-shadow:0 4px 12px #4f46e533}.action-btn.delete:hover{color:#ef4444;background:#fff;box-shadow:0 4px 12px #ef444433}.status-badge{padding:.4rem 1rem;border-radius:99px;font-size:.8rem;font-weight:700;display:inline-flex;align-items:center;gap:.5rem;background:#fffc;box-shadow:0 2px 6px #0000000d}.status-badge.active{color:#059669;border:1px solid rgba(16,185,129,.3)}.status-badge.inactive{color:#dc2626;border:1px solid rgba(239,68,68,.3)}.admin-grid-two-cols{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:2rem}@media(max-width:1024px){.admin-grid-two-cols{grid-template-columns:1fr}}.activity-chart{height:320px;display:flex;align-items:flex-end;padding:2.5rem 0 1rem}.chart-bar-container{width:100%;height:100%;display:flex;align-items:flex-end;justify-content:space-around;gap:2rem;border-bottom:2px solid rgba(255,255,255,.5)}.chart-bar{flex:1;background:#ffffff80;border-radius:12px 12px 0 0;position:relative;transition:height 1.5s cubic-bezier(.34,1.56,.64,1);box-shadow:inset 0 2px 4px #fffc}.chart-bar.primary{background:linear-gradient(to top,var(--primary),var(--secondary));box-shadow:0 0 20px #ec48994d}.chart-bar.success{background:linear-gradient(to top,var(--accent),#34d399);box-shadow:0 0 20px #10b9814d}.chart-bar:hover{filter:brightness(1.2);transform:scaleY(1.02);transform-origin:bottom}.bar-label{position:absolute;bottom:-35px;left:50%;transform:translate(-50%);font-size:.85rem;font-weight:700;color:var(--text-main);background:#fffc;padding:4px 12px;border-radius:20px;box-shadow:0 2px 8px #0000001a;white-space:nowrap}.recent-activity-list{display:flex;flex-direction:column;gap:1.25rem}.activity-item{display:flex;align-items:center;gap:1.5rem;padding:1.5rem;background:#fff9;border-radius:20px;border:1px solid rgba(255,255,255,.8);transition:var(--transition);position:relative;overflow:hidden}.activity-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--primary);transform:scaleY(0);transition:var(--transition)}.activity-item:hover{transform:translate(10px);background:#fff;box-shadow:0 10px 25px #0000000d}.activity-item:hover:before{transform:scaleY(1)}.activity-icon{width:48px;height:48px;background:linear-gradient(135deg,#4f46e51a,#ec48991a);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--primary)}.activity-item:hover .activity-icon{animation:bounce .5s cubic-bezier(.8,0,1,1) alternate}@keyframes bounce{to{transform:translateY(-4px)}}.activity-details{flex:1}.activity-text{font-size:1rem;color:var(--text-main);margin:0 0 .35rem;font-weight:500}.activity-text strong{font-weight:800;color:var(--primary-dark)}.activity-time{font-size:.85rem;color:var(--text-muted);font-weight:600;display:flex;align-items:center;gap:.25rem}.activity-time:before{content:"🕔";font-size:.9em}.book-upload-wrapper{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:24px;box-shadow:var(--glass-shadow);overflow:hidden;max-width:1200px;margin:0 auto;border:1px solid var(--glass-border)}.form-header-title{font-size:1.8rem;font-weight:800;padding:2rem 2.5rem;border-bottom:1px solid rgba(255,255,255,.5);margin:0;color:var(--text-main);background:#ffffff4d}.upload-form-grid{display:grid;grid-template-columns:350px 1fr;gap:3.5rem;padding:2.5rem;align-items:flex-start}.image-preview-box{width:100%;height:480px;border:3px dashed rgba(79,70,229,.3);border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#ffffff80;cursor:pointer;transition:var(--transition);position:relative;overflow:hidden}.image-preview-box:hover{border-color:var(--primary);background:#fffc;transform:translateY(-4px);box-shadow:0 12px 30px #4f46e526}.select-image-btn{padding:.75rem 2rem;background:#fff;border:none;border-radius:12px;font-weight:700;color:var(--primary);margin-top:1.5rem;box-shadow:0 4px 15px #0000000d;transition:var(--transition)}.image-preview-box:hover .select-image-btn{background:var(--primary);color:#fff;transform:scale(1.05)}.form-group label{font-weight:700;font-size:.95rem;color:var(--text-main);margin-bottom:.5rem;display:block}.form-control{width:100%;padding:1rem 1.25rem;border:2px solid transparent;border-radius:14px;font-size:1rem;font-weight:500;color:var(--text-main);outline:none;transition:var(--transition);background:#fffc;box-shadow:inset 0 2px 4px #00000005}.form-control:focus{border-color:#4f46e580;background:#fff;box-shadow:0 0 0 4px #4f46e526}.form-footer-action{margin-top:3rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.5)}.file-attachment-box{width:90px;height:90px;border:2px dashed rgba(79,70,229,.3);border-radius:16px;background:#ffffff80;transition:var(--transition)}.file-attachment-box:hover{border-color:var(--primary);transform:scale(1.05);background:#fff}.save-btn{padding:1rem 4rem;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border:none;border-radius:14px;font-weight:800;font-size:1.1rem;cursor:pointer;transition:var(--transition);box-shadow:0 10px 25px #ec489966;letter-spacing:1px}.save-btn:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 15px 35px #ec489999}.multi-select-container{display:flex;flex-wrap:nowrap;overflow-x:auto;align-items:center;gap:.25rem;padding:0 .75rem;border:2px solid transparent;border-radius:14px;background:#fffc;box-shadow:inset 0 2px 4px #00000005;transition:var(--transition);height:52px}.multi-select-container::-webkit-scrollbar{display:none}.multi-select-container:focus-within{border-color:#4f46e580;background:#fff;box-shadow:0 0 0 4px #4f46e526}.category-chips{display:flex;flex-wrap:nowrap;gap:.25rem;align-items:center}.category-chip{display:inline-flex;align-items:center;gap:.25rem;padding:.1rem .4rem;background:var(--primary);color:#fff;border-radius:4px;font-size:.75rem;font-weight:700;white-space:nowrap;animation:fadeIn .1s ease}.multi-select-container select.form-control{border:none!important;background:transparent!important;box-shadow:none!important;padding:0 1.5rem 0 .25rem!important;margin:0!important;flex:1;min-width:80px;height:100%!important;font-size:.9rem!important;cursor:pointer;appearance:auto!important;-webkit-appearance:menulist!important;color:var(--text-main)}.toggle-author-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-size:.85rem;text-decoration:underline;display:flex;align-items:center;margin-left:auto}.book-reader-pro{display:flex;height:100vh;background:linear-gradient(135deg,#0f172a,#1e293b);color:#f8fafc;overflow:hidden}.reader-sidebar{width:220px;background:#0f172af2;border-right:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative}.reader-sidebar.closed{width:0;overflow:hidden;border-right:none}.sidebar-header{padding:1rem 1.25rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;background:#1e293b80}.sidebar-header h3{margin:0;font-size:.9rem;font-weight:600;color:#94a3b8;text-transform:uppercase;letter-spacing:.05em}.sidebar-controls{display:flex;align-items:center;gap:.5rem}.view-toggle{display:flex;background:#0000004d;border-radius:6px;padding:2px}.view-btn{width:26px;height:26px;border-radius:4px;border:none;background:transparent;color:#64748b;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.view-btn:hover{color:#94a3b8}.view-btn.active{background:#3b82f64d;color:#60a5fa}.sidebar-toggle{background:#ffffff1a;border:none;color:#94a3b8;width:28px;height:28px;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.75rem;transition:all .2s}.sidebar-toggle:hover{background:#ffffff26;color:#f8fafc}.page-list{flex:1;overflow-y:auto;padding:.75rem;display:flex;flex-direction:column;gap:4px}.page-list::-webkit-scrollbar{width:6px}.page-list::-webkit-scrollbar-track{background:transparent}.page-list::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}.page-item{display:flex;align-items:center;gap:.5rem;padding:.625rem .875rem;background:transparent;border:none;border-radius:8px;color:#94a3b8;font-size:.875rem;cursor:pointer;transition:all .2s;text-align:left;width:100%}.page-item:hover{background:#3b82f61a;color:#60a5fa}.page-item.active{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;box-shadow:0 4px 12px #3b82f64d}.page-number{font-weight:600;min-width:24px}.page-label{opacity:.7;font-size:.8rem}.page-list.thumbnails{flex-direction:column;gap:.75rem;padding:.75rem}.page-list.thumbnails .react-pdf__Document{display:flex;flex-direction:column;gap:.75rem}.page-thumbnail-item{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:.5rem;background:#ffffff08;border:2px solid transparent;border-radius:10px;cursor:pointer;transition:all .2s}.page-thumbnail-item:hover{background:#3b82f61a;border-color:#3b82f64d}.page-thumbnail-item.active{background:#3b82f626;border-color:#3b82f6}.thumbnail-wrapper{width:140px;background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 4px 12px #0000004d}.thumbnail-wrapper .react-pdf__Page{margin:0;box-shadow:none;border-radius:0}.thumbnail-wrapper .react-pdf__Page canvas{width:100%!important;height:auto!important}.thumbnail-placeholder{width:140px;height:180px;background:linear-gradient(135deg,#e2e8f0,#cbd5e1);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;color:#94a3b8}.thumbnail-number{font-size:.8rem;font-weight:600;color:#94a3b8}.page-thumbnail-item.active .thumbnail-number{color:#60a5fa}.reader-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.reader-header-pro{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.5rem;background:#1e293bcc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.1);gap:1rem;min-height:60px}.header-left{display:flex;align-items:center;gap:1rem;flex:1;min-width:0}.btn-back-pro{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.15);background:#ffffff0d;color:#94a3b8;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.btn-back-pro:hover{background:#ffffff1a;color:#f8fafc;border-color:#ffffff40}.book-title-pro{display:flex;flex-direction:column;min-width:0}.title-text{font-size:1rem;font-weight:600;color:#f8fafc;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.author-text{font-size:.8rem;color:#64748b}.header-center{display:flex;align-items:center;gap:.75rem}.nav-group{display:flex;align-items:center;gap:.5rem;background:#0000004d;padding:.375rem .5rem;border-radius:10px;border:1px solid rgba(255,255,255,.1)}.nav-btn{width:36px;height:36px;border-radius:8px;border:none;background:transparent;color:#94a3b8;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.nav-btn:hover:not(:disabled){background:#ffffff1a;color:#f8fafc}.nav-btn:disabled{opacity:.3;cursor:not-allowed}.page-indicator{display:flex;align-items:center;gap:.5rem;padding:0 .5rem}.page-input{width:50px;padding:.375rem .5rem;background:#ffffff1a;border:1px solid rgba(255,255,255,.15);border-radius:6px;color:#f8fafc;font-size:.9rem;text-align:center;font-weight:600}.page-input:focus{outline:none;border-color:#3b82f6;background:#3b82f61a}.page-input::-webkit-inner-spin-button,.page-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.page-divider{color:#64748b}.total-pages{color:#94a3b8;font-weight:500}.header-right{display:flex;align-items:center;gap:.75rem}.zoom-group{display:flex;align-items:center;gap:.25rem;background:#0000004d;padding:.375rem .5rem;border-radius:10px;border:1px solid rgba(255,255,255,.1)}.zoom-btn{width:32px;height:32px;border-radius:6px;border:none;background:transparent;color:#94a3b8;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.zoom-btn:hover{background:#ffffff1a;color:#f8fafc}.zoom-percent{padding:.375rem .75rem;background:transparent;border:none;color:#f8fafc;font-size:.85rem;font-weight:600;cursor:pointer;min-width:55px;text-align:center}.zoom-percent:hover{color:#3b82f6}.toggle-sidebar-btn{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.15);background:#ffffff0d;color:#94a3b8;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.toggle-sidebar-btn:hover{background:#ffffff1a;color:#f8fafc}.reader-content-pro{flex:1;overflow:auto;display:flex;justify-content:center;align-items:flex-start;padding:2rem;background:linear-gradient(180deg,#0f172a,#1e293b,#0f172a);position:relative}.reader-content-pro::-webkit-scrollbar{width:10px;height:10px}.reader-content-pro::-webkit-scrollbar-track{background:#ffffff0d}.reader-content-pro::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:5px}.reader-content-pro::-webkit-scrollbar-thumb:hover{background:#ffffff40}.react-pdf__Document{display:flex;flex-direction:column;align-items:center}.react-pdf__Page,.pdf-page{box-shadow:0 25px 50px -12px #00000080,0 0 0 1px #ffffff1a;border-radius:8px;overflow:hidden;background:#fff}.react-pdf__Page canvas{display:block;max-width:100%;height:auto!important}.pdf-loading{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:3rem;color:#94a3b8}.pdf-error{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:3rem;text-align:center;color:#f87171}.pdf-error .error-icon{font-size:3rem}.reader-progress{height:4px;background:#ffffff1a;position:relative}.progress-bar{height:100%;background:linear-gradient(90deg,#3b82f6,#8b5cf6);transition:width .3s ease;border-radius:0 2px 2px 0}.reader-loading{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;gap:1.5rem;background:linear-gradient(135deg,#0f172a,#1e293b)}.loading-spinner{width:50px;height:50px;border:3px solid rgba(255,255,255,.1);border-top-color:#3b82f6;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:#94a3b8;font-size:1rem}.reader-error{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;gap:1rem;background:linear-gradient(135deg,#0f172a,#1e293b);text-align:center;padding:2rem}.reader-error .error-icon{font-size:4rem;opacity:.5}.reader-error h2{margin:0;color:#f8fafc}.reader-error p{color:#94a3b8;margin:0}.btn-back{margin-top:1rem;padding:.75rem 1.5rem;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.btn-back:hover{transform:translateY(-2px);box-shadow:0 10px 20px #3b82f64d}@media(max-width:768px){.reader-sidebar{position:absolute;left:0;top:0;bottom:0;z-index:100;box-shadow:5px 0 25px #00000080}.reader-sidebar.closed{transform:translate(-100%)}.header-left .book-title-pro{display:none}.reader-header-pro{padding:.5rem .75rem;gap:.5rem}.reader-content-pro{padding:.5rem}.zoom-group{display:none}.nav-group{padding:.25rem .375rem}.page-input{width:40px;padding:.25rem}}@media(max-width:480px){.header-right{gap:.5rem}.toggle-sidebar-btn{width:36px;height:36px}}.navbar{background-color:#ffffffe6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:1000;padding:.8rem 0;transition:all var(--transition-base);box-shadow:0 4px 6px -1px #0000000d}.navbar-container-fluid{width:100%;padding:0 2rem}.navbar-content{display:flex;justify-content:space-between;align-items:center;position:relative;height:3rem}.navbar-logo{display:flex;align-items:center;gap:.5rem;text-decoration:none;z-index:20}.logo-img{height:38px;width:auto;object-fit:contain}.logo-text{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.nav-center{position:absolute;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:2.5rem;z-index:10}.nav-link{text-decoration:none;color:var(--color-text-secondary);font-weight:500;font-size:1rem;position:relative;padding:.5rem 0;transition:all .2s;background:none!important}.nav-link:before{content:none!important;display:none!important}.nav-link:hover{color:var(--color-primary)}.nav-link.active{color:var(--color-primary);font-weight:700}.nav-link:after{content:"";position:absolute;bottom:-4px;left:50%;transform:translate(-50%);width:0;height:3px;background:var(--gradient-primary);transition:width .3s ease;border-radius:2px}.nav-link.active:after,.nav-link:hover:after{width:100%}.admin-link{color:var(--color-primary)!important;background:#2563eb14;padding:.4rem 1rem;border-radius:var(--radius-full)}.navbar-menu{display:contents}.nav-right{display:flex;align-items:center;gap:1.5rem;z-index:20}.nav-search-wrapper{position:relative;display:flex;align-items:center}.nav-search-form{display:flex;align-items:center;background:#2563eb0d;border:1px solid var(--color-border);border-radius:var(--radius-full);overflow:hidden;width:0;opacity:0;padding:0;transition:all .4s cubic-bezier(.16,1,.3,1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.nav-search-wrapper.open .nav-search-form{width:250px;opacity:1;padding:.1rem .5rem .1rem 1rem;margin-right:.5rem;border-color:var(--color-primary);box-shadow:0 0 15px #2563eb26}.nav-search-input{background:transparent;border:none;outline:none;color:var(--color-text-primary);font-size:.9rem;width:100%;padding:.5rem 0}.nav-search-input::placeholder{color:var(--color-text-tertiary)}.nav-search-submit{background:transparent;border:none;color:var(--color-primary);padding:.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s}.nav-search-submit:hover{transform:scale(1.1)}.nav-search-toggle{background:#2563eb14;border:none;color:var(--color-primary);padding:.6rem;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.nav-search-toggle:hover{background:var(--color-primary);color:#fff;box-shadow:0 4px 10px #2563eb4d}.nav-search-wrapper.open .nav-search-toggle{background:var(--color-bg-tertiary);color:var(--color-text-secondary)}.auth-buttons{display:flex;align-items:center;gap:.5rem}.guest-actions{display:flex;align-items:center;gap:1rem}.btn-login{color:var(--color-text-primary);font-weight:600;padding:.6rem 1.2rem;border-radius:var(--radius-lg);transition:all .3s}.btn-login:hover{background:#2563eb0d;color:var(--color-primary)}.btn-register{background:var(--gradient-primary);color:#fff;font-weight:600;padding:.6rem 1.5rem;border-radius:var(--radius-lg);box-shadow:0 4px 15px #2563eb4d;transition:all .3s}.btn-register:hover{transform:translateY(-2px);box-shadow:0 8px 25px #2563eb80}.profile-dropdown-wrapper{position:relative;display:flex;align-items:center}.profile-toggle-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#2563eb1a;color:var(--color-primary);border:1.5px solid transparent;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;padding:0}.profile-toggle-btn:hover,.profile-toggle-btn.active{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 12px #2563eb4d;border-color:#fff3}.profile-icon{width:22px;height:22px;stroke-width:2px}.profile-dropdown-menu{position:absolute;top:calc(100% + 12px);right:0;width:240px;background:#fff;border-radius:var(--radius-lg);box-shadow:0 10px 25px #0000001a;border:1px solid var(--color-border);padding:.5rem;display:flex;flex-direction:column;animation:slideUp .3s ease-out;z-index:1001}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.dropdown-header{padding:1rem}.user-name{font-weight:700;color:var(--color-text-primary);font-size:1rem;margin-bottom:.2rem}.user-email{font-size:.85rem;color:var(--color-text-tertiary)}.dropdown-divider{height:1px;background:var(--color-border);margin:.5rem 0}.dropdown-item{display:flex;align-items:center;gap:.8rem;padding:.8rem 1rem;text-decoration:none;color:var(--color-text-secondary);font-size:.95rem;border-radius:var(--radius-md);transition:all .2s;background:none;border:none;width:100%;cursor:pointer;text-align:left}.dropdown-item:hover{background:#2563eb0d;color:var(--color-primary)}.logout-item{color:var(--color-error)}.logout-item:hover{background:#ef44440d;color:var(--color-error)}.mobile-menu-btn{display:none!important;background:none;border:none;color:var(--color-text-primary);cursor:pointer;z-index:50}@media(max-width:992px){.navbar{padding:1rem 0}.navbar-container-fluid{padding:0 1.5rem}.mobile-menu-btn{display:block}.navbar-menu{display:flex;position:fixed;top:0;left:0;right:0;height:100vh;background-color:#fffffffa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;justify-content:center;align-items:center;padding:2rem;gap:3rem;transform:translateY(-100%);transition:transform .4s cubic-bezier(.16,1,.3,1);z-index:40}.navbar-menu.open{transform:translateY(0)}}@media(max-width:480px){.navbar-brand{gap:.5rem}.brand-logo-img{height:32px!important}.brand-text h1{font-size:.9rem!important}.brand-text p{display:none}}@media(max-width:992px){.nav-center{position:static;flex-direction:column;transform:none;gap:2rem}.nav-link{font-size:1.5rem;font-weight:600}.nav-right{flex-direction:column;width:100%;justify-content:center;gap:2rem}.auth-buttons{flex-direction:column;gap:2rem;width:100%}.profile-dropdown-wrapper{width:100%;display:flex;flex-direction:column;align-items:center;gap:1rem}.profile-toggle-btn{display:none}.profile-dropdown-menu{position:static;width:100%;box-shadow:none;border:none;background:transparent;padding:0;animation:none;display:flex!important}.dropdown-header{text-align:center;padding-bottom:.5rem}.dropdown-divider{display:none}.dropdown-item{justify-content:center;font-size:1.2rem;padding:1rem}.logout-item{background:#ef44440d!important;margin-top:.5rem}}.main-layout{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1}.main-footer{background-color:var(--color-bg-secondary);padding:2rem 0;text-align:center;color:var(--color-text-tertiary);font-size:.9rem;margin-top:auto;border-top:1px solid var(--color-border)}:root{--react-pdf-annotation-layer: 1;--annotation-unfocused-field-background: url("data:image/svg+xml;charset=UTF-8,<svg width='1px' height='1px' xmlns='http://www.w3.org/2000/svg'><rect width='100%' height='100%' style='fill:rgba(0, 54, 255, 0.13);'/></svg>");--input-focus-border-color: Highlight;--input-focus-outline: 1px solid Canvas;--input-unfocused-border-color: transparent;--input-disabled-border-color: transparent;--input-hover-border-color: black;--link-outline: none}@media screen and (forced-colors:active){:root{--input-focus-border-color: CanvasText;--input-unfocused-border-color: ActiveText;--input-disabled-border-color: GrayText;--input-hover-border-color: Highlight;--link-outline: 1.5px solid LinkText}.annotationLayer .textWidgetAnnotation :is(input,textarea):required,.annotationLayer .choiceWidgetAnnotation select:required,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:required{outline:1.5px solid selectedItem}.annotationLayer .linkAnnotation:hover{-webkit-backdrop-filter:invert(100%);backdrop-filter:invert(100%)}}.annotationLayer{position:absolute;top:0;left:0;pointer-events:none;transform-origin:0 0;z-index:3}.annotationLayer[data-main-rotation="90"] .norotate{transform:rotate(270deg) translate(-100%)}.annotationLayer[data-main-rotation="180"] .norotate{transform:rotate(180deg) translate(-100%,-100%)}.annotationLayer[data-main-rotation="270"] .norotate{transform:rotate(90deg) translateY(-100%)}.annotationLayer canvas{position:absolute;width:100%;height:100%}.annotationLayer section{position:absolute;text-align:initial;pointer-events:auto;box-sizing:border-box;margin:0;transform-origin:0 0}.annotationLayer .linkAnnotation{outline:var(--link-outline)}.textLayer.selecting~.annotationLayer section{pointer-events:none}.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton)>a{position:absolute;font-size:1em;top:0;left:0;width:100%;height:100%}.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton)>a:hover{opacity:.2;background:#ff0;box-shadow:0 2px 10px #ff0}.annotationLayer .textAnnotation img{position:absolute;cursor:pointer;width:100%;height:100%;top:0;left:0}.annotationLayer .textWidgetAnnotation :is(input,textarea),.annotationLayer .choiceWidgetAnnotation select,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input{background-image:var(--annotation-unfocused-field-background);border:2px solid var(--input-unfocused-border-color);box-sizing:border-box;font:calc(9px * var(--total-scale-factor)) sans-serif;height:100%;margin:0;vertical-align:top;width:100%}.annotationLayer .textWidgetAnnotation :is(input,textarea):required,.annotationLayer .choiceWidgetAnnotation select:required,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:required{outline:1.5px solid red}.annotationLayer .choiceWidgetAnnotation select option{padding:0}.annotationLayer .buttonWidgetAnnotation.radioButton input{border-radius:50%}.annotationLayer .textWidgetAnnotation textarea{resize:none}.annotationLayer .textWidgetAnnotation :is(input,textarea)[disabled],.annotationLayer .choiceWidgetAnnotation select[disabled],.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input[disabled]{background:none;border:2px solid var(--input-disabled-border-color);cursor:not-allowed}.annotationLayer .textWidgetAnnotation :is(input,textarea):hover,.annotationLayer .choiceWidgetAnnotation select:hover,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:hover{border:2px solid var(--input-hover-border-color)}.annotationLayer .textWidgetAnnotation :is(input,textarea):hover,.annotationLayer .choiceWidgetAnnotation select:hover,.annotationLayer .buttonWidgetAnnotation.checkBox input:hover{border-radius:2px}.annotationLayer .textWidgetAnnotation :is(input,textarea):focus,.annotationLayer .choiceWidgetAnnotation select:focus{background:none;border:2px solid var(--input-focus-border-color);border-radius:2px;outline:var(--input-focus-outline)}.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) :focus{background-image:none;background-color:transparent}.annotationLayer .buttonWidgetAnnotation.checkBox :focus{border:2px solid var(--input-focus-border-color);border-radius:2px;outline:var(--input-focus-outline)}.annotationLayer .buttonWidgetAnnotation.radioButton :focus{border:2px solid var(--input-focus-border-color);outline:var(--input-focus-outline)}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after,.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before{background-color:CanvasText;content:"";display:block;position:absolute}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before,.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after{height:80%;left:45%;width:1px}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:before{transform:rotate(45deg)}.annotationLayer .buttonWidgetAnnotation.checkBox input:checked:after{transform:rotate(-45deg)}.annotationLayer .buttonWidgetAnnotation.radioButton input:checked:before{border-radius:50%;height:50%;left:30%;top:20%;width:50%}.annotationLayer .textWidgetAnnotation input.comb{font-family:monospace;padding-left:2px;padding-right:0}.annotationLayer .textWidgetAnnotation input.comb:focus{width:103%}.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input{appearance:none}.annotationLayer .popupTriggerArea{height:100%;width:100%}.annotationLayer .fileAttachmentAnnotation .popupTriggerArea{position:absolute}.annotationLayer .popupWrapper{position:absolute;font-size:calc(9px * var(--total-scale-factor));width:100%;min-width:calc(180px * var(--total-scale-factor));pointer-events:none}.annotationLayer .popup{position:absolute;max-width:calc(180px * var(--total-scale-factor));background-color:#ff9;box-shadow:0 calc(2px * var(--total-scale-factor)) calc(5px * var(--total-scale-factor)) #888;border-radius:calc(2px * var(--total-scale-factor));padding:calc(6px * var(--total-scale-factor));margin-left:calc(5px * var(--total-scale-factor));cursor:pointer;font:message-box;white-space:normal;word-wrap:break-word;pointer-events:auto}.annotationLayer .popup>*{font-size:calc(9px * var(--total-scale-factor))}.annotationLayer .popup h1{display:inline-block}.annotationLayer .popupDate{display:inline-block;margin-left:calc(5px * var(--total-scale-factor))}.annotationLayer .popupContent{border-top:1px solid rgba(51,51,51,1);margin-top:calc(2px * var(--total-scale-factor));padding-top:calc(2px * var(--total-scale-factor))}.annotationLayer .richText>*{white-space:pre-wrap;font-size:calc(9px * var(--total-scale-factor))}.annotationLayer .highlightAnnotation,.annotationLayer .underlineAnnotation,.annotationLayer .squigglyAnnotation,.annotationLayer .strikeoutAnnotation,.annotationLayer .freeTextAnnotation,.annotationLayer .lineAnnotation svg line,.annotationLayer .squareAnnotation svg rect,.annotationLayer .circleAnnotation svg ellipse,.annotationLayer .polylineAnnotation svg polyline,.annotationLayer .polygonAnnotation svg polygon,.annotationLayer .caretAnnotation,.annotationLayer .inkAnnotation svg polyline,.annotationLayer .stampAnnotation,.annotationLayer .fileAttachmentAnnotation{cursor:pointer}.annotationLayer section svg{position:absolute;width:100%;height:100%;top:0;left:0}.annotationLayer .annotationTextContent{position:absolute;width:100%;height:100%;opacity:0;color:transparent;-webkit-user-select:none;user-select:none;pointer-events:none}.annotationLayer .annotationTextContent span{width:100%;display:inline-block}:root{--react-pdf-text-layer: 1;--highlight-bg-color: rgba(180, 0, 170, 1);--highlight-selected-bg-color: rgba(0, 100, 0, 1)}@media screen and (forced-colors:active){:root{--highlight-bg-color: Highlight;--highlight-selected-bg-color: ButtonText}}[data-main-rotation="90"]{transform:rotate(90deg) translateY(-100%)}[data-main-rotation="180"]{transform:rotate(180deg) translate(-100%,-100%)}[data-main-rotation="270"]{transform:rotate(270deg) translate(-100%)}.textLayer{position:absolute;text-align:initial;inset:0;overflow:hidden;line-height:1;text-size-adjust:none;forced-color-adjust:none;transform-origin:0 0;z-index:2}.textLayer :is(span,br){color:transparent;position:absolute;white-space:pre;cursor:text;margin:0;transform-origin:0 0}.textLayer span.markedContent{top:0;height:0}.textLayer .highlight{margin:-1px;padding:1px;background-color:var(--highlight-bg-color);border-radius:4px}.textLayer .highlight.appended{position:initial}.textLayer .highlight.begin{border-radius:4px 0 0 4px}.textLayer .highlight.end{border-radius:0 4px 4px 0}.textLayer .highlight.middle{border-radius:0}.textLayer .highlight.selected{background-color:var(--highlight-selected-bg-color)}.textLayer br::selection{background:transparent}.textLayer .endOfContent{display:block;position:absolute;inset:100% 0 0;z-index:-1;cursor:default;-webkit-user-select:none;user-select:none}.textLayer.selecting .endOfContent{top:0}.hiddenCanvasElement{position:absolute;top:0;left:0;width:0;height:0;display:none}