*{margin:0;padding:0;box-sizing:border-box}:root{--surface-warm: #fafaf9;--surface-muted: #f5f5f4;--surface-contrast: #ffffff;--surface-overlay: rgba(255, 255, 255, .95);--border-warm: rgba(0, 0, 0, .08);--border-soft: rgba(0, 0, 0, .06);--text-primary: #18181b;--text-secondary: #52525b;--accent-soft: #4f7396;--accent-hover: #3d5a75;--shadow-warm: 0 1px 3px rgba(0, 0, 0, .08), 0 4px 12px rgba(0, 0, 0, .05);--bg-main: linear-gradient(135deg, #5b7c99 0%, #6b8caf 50%, #7a9cc0 100%);--card-bg: #ffffff;--card-muted: #f9fafb}:root[data-theme=dark]{--surface-warm: #1e1e1e;--surface-muted: #252525;--surface-contrast: #2a2a2a;--surface-overlay: rgba(42, 42, 42, .95);--border-warm: rgba(255, 255, 255, .1);--border-soft: rgba(255, 255, 255, .06);--text-primary: #e4e4e7;--text-secondary: #a1a1aa;--accent-soft: #7b9ab8;--accent-hover: #5b7c99;--shadow-warm: 0 1px 3px rgba(0, 0, 0, .3), 0 4px 12px rgba(0, 0, 0, .2);--bg-main: linear-gradient(135deg, #18181b 0%, #27272a 50%, #3f3f46 100%);--card-bg: 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#41342a33}.book-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.book-actions{display:flex;align-items:center;gap:.5rem}.book-header h3{margin:0;color:var(--text-primary);font-size:1.3rem;flex:1}.book-card .author{color:var(--text-secondary);font-size:1rem;margin:0}.book-card .description{color:var(--text-secondary);font-size:.9rem;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-meta{display:flex;gap:1rem;flex-wrap:wrap}.book-meta span{font-size:.85rem;color:var(--text-secondary);padding:.25rem .75rem;background:var(--card-muted);border-radius:15px}.progress-section{margin-top:.5rem}.progress-stats{display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-secondary)}.book-card .btn{margin-top:auto;width:100%}.no-books{text-align:center;padding:4rem 2rem;color:var(--text-secondary);font-size:1.2rem}.book-card .language{display:inline-block;padding:.25rem .75rem;background:var(--card-muted);border-radius:20px;font-size:.8rem;margin-top:.5rem}.book-card.personal{border-left:4px solid #007bff}.book-card.public{border-left:4px solid #28a745}.book-type-badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:700;margin-left:8px}.book-type-badge.personal{background-color:#e3f2fd;color:#1976d2}.book-type-badge.public{background-color:#e8f5e8;color:#388e3c}.trainer-container{width:100%;max-width:1400px;padding:2rem}.trainer-header{display:flex;justify-content:space-between;align-items:center;background:var(--card-bg);padding:1.5rem;border-radius:15px;margin-bottom:2rem;box-shadow:var(--shadow-warm)}.stats{display:flex;gap:2rem}.stat{text-align:center}.stat-label{display:block;font-size:.8rem;color:var(--text-secondary);margin-bottom:.25rem}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--accent-soft)}.text-display{position:relative;background:var(--card-bg);padding:4.5rem 3rem 3.5rem;border-radius:15px;margin-bottom:2rem;box-shadow:var(--shadow-warm);min-height:200px}.touch-device .text-display{padding-bottom:50vh}:root{--vv-bottom-inset: 0px}.mobile-input-capture{position:fixed;left:0;top:0;width:100%;height:100%;margin:0;padding:0;opacity:0;color:transparent;background:transparent;border:none;outline:none;caret-color:transparent;font-size:16px;z-index:-1;pointer-events:none}.no-touch-device .mobile-actions{display:none}.touch-device .mobile-actions{display:flex;gap:.75rem;position:fixed;top:calc(env(safe-area-inset-top,0px) + 12px);left:12px;right:12px;z-index:2200;background:var(--surface-overlay);padding:.75rem;border-radius:12px;box-shadow:var(--shadow-warm)}.mobile-action-btn{flex:1;border:1px solid var(--border-soft);background:var(--card-bg);border-radius:12px;padding:.75rem 1rem;font-size:.95rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:var(--shadow-warm);transition:transform .2s ease,box-shadow .2s ease}.mobile-action-btn:active{transform:translateY(1px);box-shadow:0 2px 6px #0000001f}:root[data-theme=dark] .trainer-header{background:var(--card-bg)}:root[data-theme=dark] .stat-label{color:var(--text-secondary)}:root[data-theme=dark] .stat-value{color:var(--accent-soft)}:root[data-theme=dark] .text-display{background:var(--card-bg)}:root[data-theme=dark] .touch-device .mobile-actions{background:var(--surface-overlay)}:root[data-theme=dark] .mobile-action-btn{border:1px solid var(--border-soft);background:var(--card-bg);box-shadow:0 4px 10px #0000001f}body.no-touch-device #mobile-typing-overlay{display:none}body.touch-device #mobile-typing-overlay{position:fixed;left:10px;right:10px;bottom:calc(40vh + env(safe-area-inset-bottom));padding:8px 12px;background:#000000d9;color:#fff;z-index:1200;display:flex;flex-direction:column;gap:4px;pointer-events:none;border-radius:10px;box-shadow:0 4px 10px #0000004d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.mobile-overlay-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;opacity:.7}.mobile-overlay-text{font-size:1rem;line-height:1.35;font-weight:600;word-break:break-word;text-shadow:0 1px 3px rgba(0,0,0,.35)}.mobile-overlay-correction{border-top:1px solid rgba(255,255,255,.15);padding-top:.65rem;display:flex;flex-direction:column;gap:.35rem}.mobile-overlay-meta{font-size:.9rem;opacity:.8}.mobile-correction-input{background:#ffffff1a;padding:8px 12px;border-radius:6px;font-family:Courier New,monospace;font-size:1.1rem;margin-top:4px}.mobile-correction-typed{color:#4ade80;font-weight:600}.mobile-correction-cursor{color:#60a5fa;font-weight:700;animation:blink 1s infinite}@keyframes blink{0%,49%{opacity:1}50%,to{opacity:0}}#mobile-typing-overlay.hidden{display:none}@media (max-width: 1024px){.text-display{max-height:calc(100vh - 230px);overflow-y:auto;-webkit-overflow-scrolling:touch;padding-top:140px}.mobile-keyboard-active .text-display{padding-bottom:calc(55vh + env(safe-area-inset-bottom,0px))}.mobile-keyboard-active .keyboard-container{display:none}.trainer-container{padding-top:120px}body.touch-device .correction-panel{position:fixed;left:10px;right:10px;top:100px;bottom:calc(40vh + env(safe-area-inset-bottom));margin:0;padding:1rem;z-index:1300;max-height:calc(60vh - 100px);overflow-y:auto}body.touch-device .correction-title{font-size:1.1rem}body.touch-device .correction-instruction{font-size:.95rem}body.touch-device .correction-progress{font-size:.85rem}.error-message{position:fixed;left:10px;right:10px;bottom:calc(max(env(safe-area-inset-bottom,0px),var(--vv-bottom-inset, 0px)) + 8px);top:auto;transform:none;max-width:calc(100% - 20px);margin:0;max-height:45vh;overflow:auto;z-index:3000}}.text-content{font-size:1.5rem;line-height:2;letter-spacing:.5px;white-space:pre-wrap}.char{position:relative}.char[data-newline=true]{color:transparent;font-size:0}.char[data-newline=true]:before{content:"↵";color:#6c757d;opacity:.4;font-size:14px;margin-left:2px;margin-right:2px}.char.correct{color:#22c55e}.char.incorrect{color:#ef4444;background:#ef44441a}.char.current{background:#facc1533;animation:blink 1s infinite}@keyframes blink{0%,50%,to{opacity:1}25%,75%{opacity:.5}}.error-message{position:absolute;top:2rem;left:50%;transform:translate(-50%);max-width:95%;width:auto;padding:1.5rem;background:#facc151a;border:3px solid #facc15;border-radius:12px;font-weight:600;color:var(--text-primary);box-shadow:0 4px 12px #facc1533;z-index:100}.correction-panel{margin-top:2rem;padding:2rem;background:#facc151a;border:3px solid #facc15;border-radius:15px;box-shadow:0 8px 24px #facc1533;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.correction-header{margin-bottom:1rem}.correction-title{color:#ef4444;font-size:1.5rem;margin-bottom:.5rem}.correction-instruction{font-size:1.1rem;color:var(--text-primary);margin-bottom:1rem;font-weight:600}.correction-progress{font-size:1rem;color:var(--text-secondary);margin-bottom:1rem}.correction-input{background:var(--card-bg);padding:1rem;border-radius:10px;font-size:1.3rem;font-family:monospace;border:2px solid #facc15;min-height:60px;display:flex;align-items:center;color:var(--accent-soft)!important;caret-color:var(--accent-soft)}.correction-input input,.correction-input textarea{border:none;background:transparent;outline:none;color:var(--accent-soft)!important;width:100%}.correction-input input::placeholder,.correction-input textarea::placeholder{color:#b2a1ff}.correction-text{color:var(--accent-soft);font-weight:700}.correction-cursor{color:var(--accent-soft);animation:blink 1s infinite;margin-left:2px}.completion-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.completion-content{background:var(--card-bg);border-radius:20px;padding:3rem;max-width:600px;width:90%;box-shadow:0 20px 60px #0000004d;animation:scaleIn .3s ease;text-align:center}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.completion-content h2{font-size:2.5rem;margin-bottom:1rem;background:linear-gradient(135deg,#5b7c99,#4f7396);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.completion-message{font-size:1.3rem;color:var(--text-primary);margin-bottom:2rem;font-weight:600}.completion-stats{background:var(--card-muted);padding:1.5rem;border-radius:15px;margin-bottom:2rem;text-align:left}.completion-stats h3{color:var(--accent-soft);margin-bottom:1rem}.completion-stats p{font-size:1.1rem;color:var(--text-primary);margin-bottom:.5rem}:root[data-theme=dark] .char.correct{color:#4ade80}:root[data-theme=dark] .char.incorrect{color:#f87171;background:#f871711f}:root[data-theme=dark] .char.current{background:#9fa8ff29}:root[data-theme=dark] .error-message{background:var(--surface-overlay);border-left:4px solid var(--accent-soft)}:root[data-theme=dark] .correction-panel{background:var(--surface-overlay);border:3px solid var(--accent-soft);box-shadow:0 8px 24px #00000040}:root[data-theme=dark] .correction-title{color:var(--accent-soft)}:root[data-theme=dark] .correction-instruction{color:var(--text-primary)}:root[data-theme=dark] .correction-progress{color:var(--text-secondary)}:root[data-theme=dark] .correction-input{background:var(--card-bg);border:2px solid var(--accent-soft);color:#f5b000!important;caret-color:#f5b000}:root[data-theme=dark] .correction-input input,:root[data-theme=dark] 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.form-control{width:100%;padding:.5rem;border:1px solid var(--border-soft);border-radius:4px;font-size:.9rem}.action-card button{width:100%;margin-bottom:.5rem}.action-card button:last-of-type{margin-bottom:0}.status-message{margin-top:1rem;padding:.75rem;border-radius:4px;font-size:.9rem;background:var(--surface-overlay);border:1px solid var(--border-soft)}.status-message.success{background:#d4edda;border-color:#c3e6cb;color:#155724}.status-message.error{background:#f8d7da;border-color:#f5c6cb;color:#721c24}.status-message.hidden{display:none}#admin-progress-list{display:grid;grid-template-columns:1fr;gap:1rem}@media (min-width: 900px){#admin-progress-list{grid-template-columns:repeat(2,1fr)}}.progress-summary{grid-column:1 / -1;padding:1rem;background:var(--surface-contrast);border-radius:8px;margin-bottom:0;border-left:4px solid var(--accent-soft)}.progress-summary p{margin:0;color:var(--text-primary)}.progress-item{display:flex;flex-direction:column;justify-content:space-between;padding:1.5rem;background:var(--surface-warm);border-radius:12px;border:1px solid var(--border-warm);box-shadow:var(--shadow-warm);transition:transform .2s ease,box-shadow .2s ease;height:100%}.progress-item:hover{transform:translateY(-2px);box-shadow:0 8px 16px #231d1726}.progress-info{flex:1;display:flex;flex-direction:column;gap:.5rem}.progress-info h4{margin:0;color:var(--text-primary);font-size:1.1rem}.progress-info .book-author{margin:0;color:var(--text-secondary);font-size:.9rem;font-style:italic}.progress-details{display:flex;flex-wrap:wrap;gap:1rem;font-size:.9rem;color:var(--text-secondary)}.progress-details span{display:inline-block}.progress-details strong{color:var(--text-primary)}.progress-info small{color:var(--text-muted);font-size:.85rem}.progress-actions{display:flex;gap:.5rem;flex-shrink:0;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border-soft)}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid var(--border-soft)}.admin-header h1{color:#2c3e50;margin:0}.upload-section{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #0000001a;border:1px solid #e9ecef}.upload-section h2{color:#2c3e50;margin-bottom:.5rem}.upload-section p{color:#6c757d;margin-bottom:2rem;line-height:1.6}.upload-form{display:flex;flex-direction:column;gap:1.5rem}.form-actions{display:flex;justify-content:flex-start;margin-top:1rem}.upload-progress{margin-top:2rem;padding:1.5rem;background:#f8f9fa;border-radius:8px;border:1px solid #e9ecef}.upload-progress .progress-bar{width:100%;height:12px;background:#e9ecef;border-radius:6px;overflow:hidden;margin-bottom:1rem}.upload-progress .progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);width:0%;transition:width .3s ease;animation:progress-animation 2s infinite!important}@keyframes progress-animation{0%{width:0%}50%{width:70%}to{width:100%}}.upload-result{margin-top:2rem}.success-message{padding:1.5rem;background:linear-gradient(135deg,#00b894,#00a085);color:#fff;border-radius:8px;box-shadow:0 4px 12px #00b8944d}.success-message h3{margin:0 0 1rem;font-size:1.2rem}.success-message p{margin:.5rem 0;opacity:.95}.error-message{padding:1.5rem;background:linear-gradient(135deg,#e17055,#d63031);color:#fff;border-radius:8px;box-shadow:0 4px 12px #e170554d}.error-message h3{margin:0 0 1rem;font-size:1.2rem}.error-message p{margin:.5rem 0;opacity:.95}.fb2-metadata{margin-top:1rem;padding:1rem;background:#ffffff1a;border-radius:6px;border-left:4px solid rgba(255,255,255,.3)}.fb2-metadata h4{margin:0 0 .5rem;font-size:1rem;opacity:.9}.fb2-metadata p{margin:.3rem 0;font-size:.9rem;opacity:.85}.books-management-section{margin-top:40px;padding-top:30px;border-top:2px solid var(--border-soft)}.books-management-section h2{color:var(--text-primary);margin-bottom:10px}.admin-books-list{margin-top:20px}.admin-book-item{display:flex;justify-content:space-between;align-items:center;padding:15px;margin:10px 0;background:var(--card-bg);border:1px solid var(--border-soft);border-radius:8px}.admin-book-info{flex:1}.admin-book-title{font-weight:700;color:var(--text-primary);margin-bottom:5px}.admin-book-meta{font-size:14px;color:var(--text-secondary)}.admin-book-stats{margin-top:6px;display:flex;gap:12px;font-size:13px;color:var(--text-secondary)}.admin-book-actions{display:flex;gap:10px}.upload-info{background:var(--card-muted);border:1px solid var(--border-soft);border-radius:8px;padding:20px;margin:20px 0}.info-section{margin-bottom:20px}.info-section:last-child{margin-bottom:0}.info-section h4{margin:0 0 10px;color:var(--text-primary);font-size:16px}.info-section ul{margin:10px 0;padding-left:20px}.info-section li{margin:5px 0}.info-section p{margin:10px 0 0;color:var(--text-secondary);line-height:1.4}.users-section{background:var(--card-bg);padding:2rem;border-radius:12px;box-shadow:var(--shadow-warm);border:1px solid var(--border-soft);margin-top:2rem}.users-section h2{color:var(--text-primary);margin-bottom:.5rem}.users-section>p{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6}.users-filters{display:flex;gap:1rem;align-items:flex-end;margin-bottom:1.5rem;flex-wrap:wrap}.users-filters .filter-group{display:flex;flex-direction:column;gap:4px}.users-filters .filter-group label{font-size:14px;color:var(--text-primary);font-weight:500}.users-filters .filter-group input{padding:10px 14px;border:1px solid var(--border-soft);border-radius:6px;font-size:14px;width:150px;box-sizing:border-box}.users-filters .filter-group input:focus{outline:none;border-color:var(--accent-soft);box-shadow:0 0 0 3px #667eea1a}.users-filters .filter-actions{display:flex;gap:8px}.users-list{display:flex;flex-direction:column;gap:.75rem}.user-card{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;background:var(--card-bg);border:1px solid var(--border-soft);border-radius:8px;transition:box-shadow .2s}.user-card:hover{box-shadow:0 2px 8px #00000026}.user-card-info{flex:1}.user-card-title{font-weight:600;color:var(--text-primary);margin-bottom:4px}.user-card-meta{font-size:14px;color:var(--text-secondary)}.user-card-actions{display:flex;gap:8px}.role-badge{display:inline-block;padding:2px 6px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase}.role-badge.role-admin{background:#4ed67d29;color:#4ade80}.role-badge.role-user{background:#9fa8ff2e;color:var(--accent-soft)}.empty-message{text-align:center;color:var(--text-secondary);padding:2rem}.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:1rem;padding:1rem;background:var(--card-bg);border-radius:8px}.pagination-info{font-size:14px;color:var(--text-secondary)}.pagination-buttons{display:flex;gap:4px}.pagination-buttons .btn{min-width:36px}.user-book-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;border:1px solid var(--border-soft);border-radius:8px;margin-bottom:.5rem}.user-book-info{flex:1}.user-book-title{font-weight:500;color:var(--text-primary);margin-bottom:4px}.user-book-meta{font-size:13px;color:var(--text-secondary)}.btn-sm{padding:6px 12px;font-size:13px}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal.hidden{display:none}.modal-content{background:var(--card-bg);border-radius:12px;width:90%;max-width:600px;max-height:80vh;overflow:hidden;box-shadow:0 10px 40px #00000059}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border-soft)}.modal-header h2{margin:0;font-size:18px;color:var(--text-primary)}.modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-secondary);padding:0;line-height:1}.modal-close:hover{color:var(--text-primary)}.modal-body{padding:1.5rem;overflow-y:auto;max-height:calc(80vh - 60px)}.user-books-list{display:flex;flex-direction:column;gap:.5rem}