:root{--primary: #8B5CF6;--primary-hover: #7C3AED;--primary-light: #C4B5FD;--primary-dark: #6D28D9;--primary-gradient: linear-gradient(135deg, #8B5CF6 0%, #A78BFA 100%);--accent-purple: #A78BFA;--accent-pink: #F472B6;--accent-blue: #60A5FA;--accent-green: #34D399;--accent-orange: #FB923C;--accent-red: #F87171;--success: #10B981;--warning: #F59E0B;--error: #EF4444;--info: #3B82F6;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 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-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--shadow-glow: 0 0 20px rgba(139, 92, 246, .3);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--z-dropdown: 100;--z-sticky: 200;--z-modal: 300;--z-tooltip: 400;--z-fab: 500}[data-theme=dark]{--bg-primary: #0F0F14;--bg-secondary: #1A1A24;--bg-tertiary: #22222E;--bg-card: #1E1E2A;--bg-card-hover: #262636;--bg-input: #2A2A3C;--bg-overlay: rgba(0, 0, 0, .7);--text-primary: #F9FAFB;--text-secondary: #9CA3AF;--text-tertiary: #6B7280;--text-muted: #4B5563;--border-primary: #374151;--border-secondary: #2D2D3D;--border-light: rgba(255, 255, 255, .1);--scrollbar-bg: #1A1A24;--scrollbar-thumb: #374151}[data-theme=light]{--bg-primary: #FFFFFF;--bg-secondary: #F8F7FF;--bg-tertiary: #F3F4F6;--bg-card: #F5F5F7;--bg-card-hover: #EBEBEE;--bg-input: #F3F4F6;--bg-overlay: rgba(0, 0, 0, .5);--text-primary: #1F2937;--text-secondary: #4B5563;--text-tertiary: #6B7280;--text-muted: #9CA3AF;--border-primary: #E5E7EB;--border-secondary: #D1D5DB;--border-light: rgba(0, 0, 0, .05);--scrollbar-bg: #F3F4F6;--scrollbar-thumb: #D1D5DB}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--scrollbar-bg)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--primary)}a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-hover)}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;outline:none}input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;background:var(--bg-input);border:1px solid var(--border-primary);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md);outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #8b5cf626}input::placeholder,textarea::placeholder{color:var(--text-muted)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--text-primary)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--space-md)}.text-gradient{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.container{width:100%;max-width:1400px;margin:0 auto;padding:0 var(--space-lg)}.container-sm{max-width:800px}.container-lg{max-width:1600px}.page-wrapper{flex:1;padding-top:72px;padding-bottom:var(--space-3xl)}@media (max-width: 768px){.page-wrapper{padding-top:0}}.section{margin-bottom:var(--space-3xl)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-lg)}.section-title{font-size:1.5rem;font-weight:700;display:flex;align-items:center;gap:var(--space-sm)}.section-link{color:var(--primary);font-size:.875rem;font-weight:500;display:flex;align-items:center;gap:var(--space-xs)}.section-link:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-size:.9375rem;font-weight:500;border-radius:var(--radius-md);transition:all var(--transition-base);white-space:nowrap;cursor:pointer}.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-primary)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--primary)}.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-sm{padding:var(--space-xs) var(--space-md);font-size:.8125rem}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:1rem}.btn-icon{padding:var(--space-sm);border-radius:var(--radius-full)}.btn-icon.btn-sm{padding:var(--space-xs)}.card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-base)}.card:hover{background:var(--bg-card-hover);border-color:var(--border-primary)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.card-title{font-size:1.125rem;font-weight:600}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-xs)}.form-input{width:100%;padding:var(--space-md);background:var(--bg-input);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary)}.form-textarea{min-height:120px;resize:vertical}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;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='%239CA3AF' 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 var(--space-md) center;background-size:16px;padding-right:var(--space-2xl)}.form-error{color:var(--error);font-size:.8125rem;margin-top:var(--space-xs)}.badge{display:inline-flex;align-items:center;padding:2px 10px;font-size:.75rem;font-weight:500;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.025em}.badge-primary{background:#8b5cf626;color:var(--primary)}.badge-success{background:#10b98126;color:var(--success)}.badge-warning{background:#f59e0b26;color:var(--warning)}.badge-error{background:#ef444426;color:var(--error)}.badge-draft{background:#6b728026;color:var(--text-secondary)}.tag{display:inline-flex;align-items:center;padding:4px 12px;font-size:.8125rem;background:var(--bg-tertiary);border-radius:var(--radius-full);color:var(--text-secondary);transition:all var(--transition-fast)}.tag:hover,.tag.active{background:var(--primary);color:#fff}.tabs{display:flex;gap:var(--space-xs);border-bottom:1px solid var(--border-secondary);margin-bottom:var(--space-lg)}.tab{padding:var(--space-md) var(--space-lg);font-size:.9375rem;font-weight:500;color:var(--text-secondary);border-bottom:2px solid transparent;margin-bottom:-1px;transition:all var(--transition-fast);cursor:pointer}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-overlay);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);padding:var(--space-lg);animation:fadeIn .2s ease}.modal{background:var(--bg-card);border-radius:var(--radius-xl);width:100%;max-width:480px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-lg);border-bottom:1px solid var(--border-secondary)}.modal-title{font-size:1.25rem;font-weight:600}.modal-close{padding:var(--space-xs);color:var(--text-secondary);border-radius:var(--radius-full);transition:all var(--transition-fast)}.modal-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}.modal-body{padding:var(--space-lg)}.modal-footer{display:flex;gap:var(--space-md);justify-content:flex-end;padding:var(--space-lg);border-top:1px solid var(--border-secondary)}.progress-bar{width:100%;height:4px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;background:var(--primary-gradient);border-radius:var(--radius-full);transition:width var(--transition-slow)}.avatar{width:40px;height:40px;border-radius:var(--radius-full);object-fit:cover;border:2px solid var(--border-primary)}.avatar-sm{width:32px;height:32px}.avatar-lg{width:56px;height:56px}.avatar-xl{width:100px;height:100px;border-width:4px}.avatar-bordered{border-color:var(--primary)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn .3s ease}.animate-slide-up{animation:slideUp .3s ease}.animate-pulse{animation:pulse 2s infinite}.animate-spin{animation:spin 1s linear infinite}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.gap-xl{gap:var(--space-xl)}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}.grid-cols-5{grid-template-columns:repeat(5,1fr)}.grid-cols-6{grid-template-columns:repeat(6,1fr)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-purple{color:var(--primary)}.text-success{color:var(--success)}.text-error{color:var(--error)}.bg-primary{background:var(--bg-primary)}.bg-secondary{background:var(--bg-secondary)}.bg-card{background:var(--bg-card)}.w-full{width:100%}.h-full{height:100%}.min-h-screen{min-height:100vh}.hidden{display:none}.block{display:block}.inline-block{display:inline-block}.relative{position:relative}.absolute{position:absolute}.fixed{position:fixed}.sticky{position:sticky}.overflow-hidden{overflow:hidden}.overflow-auto{overflow:auto}.overflow-x-auto{overflow-x:auto}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}@media (max-width: 1280px){.grid-cols-6{grid-template-columns:repeat(5,1fr)}.grid-cols-5{grid-template-columns:repeat(4,1fr)}}@media (max-width: 1024px){.grid-cols-6{grid-template-columns:repeat(4,1fr)}.grid-cols-5,.grid-cols-4{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.container{padding:0 var(--space-md)}h1{font-size:2rem}h2{font-size:1.5rem}.grid-cols-6,.grid-cols-5,.grid-cols-4,.grid-cols-3{grid-template-columns:repeat(2,1fr)}.hide-mobile{display:none!important}}@media (max-width: 480px){.grid-cols-2{grid-template-columns:1fr}.tabs{overflow-x:auto;-webkit-overflow-scrolling:touch}.tab{white-space:nowrap;padding:var(--space-sm) var(--space-md)}}.book-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-base);cursor:pointer}.book-card:hover{transform:translateY(-4px)}.book-card:hover .book-card-overlay{opacity:1}.book-card-cover{width:100%;aspect-ratio:2/3;object-fit:cover;background:var(--bg-tertiary)}.book-card-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to top,rgba(0,0,0,.8) 0%,transparent 50%);opacity:0;transition:opacity var(--transition-base);display:flex;align-items:flex-end;padding:var(--space-md)}.book-card-info{padding:var(--space-md)}.book-card-title{font-size:.9375rem;font-weight:600;margin-bottom:var(--space-xs);line-height:1.3}.book-card-author{font-size:.8125rem;color:var(--text-secondary)}.book-card-stats{display:flex;gap:var(--space-md);font-size:.75rem;color:var(--text-muted);margin-top:var(--space-sm)}.book-card-stat{display:flex;align-items:center;gap:var(--space-xs)}.rank-badge{position:absolute;top:var(--space-sm);left:var(--space-sm);background:var(--primary);color:#fff;font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:var(--radius-sm)}.navbar{position:fixed;top:0;left:0;right:0;height:72px;background:var(--bg-secondary);border-bottom:1px solid var(--border-secondary);z-index:var(--z-sticky);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.navbar-container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg)}.navbar-brand{display:flex;align-items:center;gap:var(--space-sm);font-size:1.375rem;font-weight:700;color:var(--text-primary)}.navbar-logo{width:36px;height:36px;object-fit:contain}.navbar-nav{display:flex;align-items:center;gap:var(--space-xs)}.nav-link{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);font-size:.9375rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-md);transition:all var(--transition-fast)}.nav-link:hover{color:var(--text-primary);background:var(--bg-tertiary)}.nav-link.active{color:var(--primary);background:#8b5cf61a}.navbar-search{flex:1;max-width:400px;position:relative}.navbar-search-input{width:100%;padding:var(--space-sm) var(--space-md);padding-left:40px;background:var(--bg-input);border:1px solid var(--border-secondary);border-radius:var(--radius-full)}.navbar-search-icon{position:absolute;left:var(--space-md);top:50%;transform:translateY(-50%);color:var(--text-muted)}.navbar-actions{display:flex;align-items:center;gap:var(--space-md)}.fab-container{position:fixed;bottom:var(--space-xl);right:var(--space-xl);z-index:var(--z-fab)}.fab{width:56px;height:56px;border-radius:var(--radius-full);background:var(--primary-gradient);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg),var(--shadow-glow);transition:all var(--transition-base)}.fab:hover{transform:scale(1.05);box-shadow:var(--shadow-xl),0 0 30px #8b5cf666}.fab-menu{position:absolute;bottom:70px;right:0;display:flex;flex-direction:column;gap:var(--space-sm);opacity:0;visibility:hidden;transform:translateY(10px);transition:all var(--transition-base)}.fab-container:hover .fab-menu,.fab-menu.open{opacity:1;visibility:visible;transform:translateY(0)}.fab-menu-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-full);white-space:nowrap;box-shadow:var(--shadow-md);transition:all var(--transition-fast)}.fab-menu-item:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-secondary);padding:var(--space-2xl) 0;margin-top:auto}.footer-container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-lg)}.footer-brand{display:flex;align-items:center;gap:var(--space-sm);font-weight:600;color:var(--text-primary)}.footer-links{display:flex;gap:var(--space-lg)}.footer-link{color:var(--text-secondary);font-size:.875rem}.footer-link:hover{color:var(--primary)}.footer-social{display:flex;gap:var(--space-md)}.footer-copyright{width:100%;text-align:center;padding-top:var(--space-lg);margin-top:var(--space-lg);border-top:1px solid var(--border-secondary);color:var(--text-muted);font-size:.8125rem}