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var(--lp-border);border-radius:var(--lp-radius-sm);transition:all .25s;cursor:pointer;animation:fadeInUp .5s ease-out backwards;animation-delay:var(--delay, 0s)}.subject-card:hover{transform:translateY(-4px);border-color:var(--lp-accent);box-shadow:0 12px 24px #00000026}.subject-icon{font-size:32px}.subject-info h4{font-size:15px;font-weight:600;margin-bottom:4px}.subject-info span{font-size:13px;color:var(--lp-text-3)}.lp-stats{background:linear-gradient(135deg,var(--lp-accent),var(--lp-accent-2));position:relative;overflow:hidden}.stats-ambient{position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(255,255,255,.1),transparent 50%),radial-gradient(circle at 80% 50%,rgba(255,255,255,.05),transparent 40%)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}.lp-stats .stat-card{text-align:center;padding:40px 20px}.lp-stats .stat-value{font-size:48px;font-weight:800;color:#fff;letter-spacing:-2px;margin-bottom:8px}.lp-stats 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solid var(--lp-border);border-radius:var(--lp-radius-sm);overflow:hidden;cursor:pointer;transition:all .25s}.faq-item:hover,.faq-item.active{border-color:var(--lp-accent)}.faq-question{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;font-weight:600;font-size:15px}.faq-question svg{width:20px;height:20px;color:var(--lp-text-3);transition:transform .25s;flex-shrink:0}.faq-item.active .faq-question svg{transform:rotate(180deg);color:var(--lp-accent)}.faq-answer{padding:0 24px;font-size:14px;color:var(--lp-text-2);line-height:1.7;max-height:0;overflow:hidden;transition:all .3s ease}.faq-item.active .faq-answer{max-height:200px;padding-bottom:20px}.lp-cta{text-align:center;position:relative}.cta-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:300px;background:linear-gradient(135deg,var(--lp-accent),var(--lp-accent-2));filter:blur(100px);opacity:.2;border-radius:50%}.cta-content{position:relative;z-index:1}.cta-content 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svg{width:18px;height:18px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.footer-col h4{font-size:14px;font-weight:600;margin-bottom:20px;color:var(--lp-text)}.footer-col a{display:block;color:var(--lp-text-2);text-decoration:none;font-size:14px;margin-bottom:12px;transition:color .2s}.footer-col a:hover{color:var(--lp-accent)}.footer-bottom{padding-top:30px;border-top:1px solid var(--lp-border);text-align:center}.footer-bottom p{font-size:13px;color:var(--lp-text-3)}:root[data-theme=light] .feature-card,:root[data-theme=light] .subject-card,:root[data-theme=light] .testimonial-card,:root[data-theme=light] .faq-item,:root[data-theme=light] .hero-card,:root[data-theme=light] .hero-float{box-shadow:0 1px 3px #0000000f,0 4px 12px #0000000a}:root[data-theme=light] .feature-card:hover,:root[data-theme=light] .subject-card:hover{box-shadow:0 8px 24px 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.stat-label{font-size:13px;color:var(--text-muted);font-weight:500;margin-top:6px}.skill-message{background:var(--bg-elevated);padding:18px 20px;border-radius:var(--radius-md);margin-bottom:20px;border:1px solid var(--border-subtle);position:relative}.skill-message p{color:var(--text-secondary);margin:0;font-size:14px;line-height:1.6}.total-score{font-size:14px;color:var(--text-muted);margin-bottom:28px;position:relative}.total-score strong{color:var(--accent-cyan);font-weight:600}.result-actions{display:flex;gap:14px;justify-content:center;position:relative}.result-actions .btn-primary,.result-actions .btn-secondary{padding:14px 24px;border-radius:var(--radius-md);font-family:inherit;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:14px}.result-actions .btn-primary{background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));color:#fff;border:none;box-shadow:0 4px 15px var(--glow-blue)}.result-actions 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#ef444466}.finish-btn:disabled{background:var(--text-muted);cursor:not-allowed;transform:none;box-shadow:none}.nav-buttons-right{display:flex;gap:12px}:root[data-theme=light] .setup-container,:root[data-theme=light] .testing-container,:root[data-theme=light] .result-card{box-shadow:0 1px 3px #00000014,0 4px 12px #0000000a}:root[data-theme=light] .start-button,:root[data-theme=light] .result-actions .btn-primary{background:#00bfff;box-shadow:0 6px 20px #00bfff4d}:root[data-theme=light] .start-button:hover:not(:disabled),:root[data-theme=light] .result-actions .btn-primary:hover{box-shadow:0 10px 30px #00bfff66}:root[data-theme=light] .dot.current{background:#00bfff;box-shadow:0 4px 12px #00bfff4d}:root[data-theme=light] .answer-item.selected .answer-letter{background:#00bfff;box-shadow:0 4px 12px #00bfff4d}:root[data-theme=light] .nav-btn:hover:not(:disabled){border-color:#00bfff;color:#00bfff}:root[data-theme=light] .result-actions 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var(--border-subtle);text-align:center;position:relative;overflow:hidden}.dtm-certificate-message:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent-gold),#fbbf24,var(--accent-gold))}.dtm-certificate-icon{font-size:64px;margin-bottom:20px;animation:float 3s ease-in-out infinite}.dtm-certificate-message h2{font-size:20px;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,var(--accent-gold),#fbbf24);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dtm-certificate-message p{font-size:15px;color:var(--text-secondary);line-height:1.7;margin-bottom:20px;max-width:500px;margin-left:auto;margin-right:auto}.dtm-certificate-message p strong{color:var(--accent-gold)}.dtm-certificate-info{background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-md);padding:12px 20px;display:inline-block}.dtm-certificate-info span{font-size:13px;color:var(--accent-gold);font-weight:500}.dtm-error{background:var(--bg-surface);border-radius:var(--radius-lg);padding:48px;text-align:center;border:1px solid var(--border-subtle)}.dtm-error h2{color:var(--accent-red);margin-bottom:12px;font-size:18px;font-weight:600}.dtm-error p{color:var(--text-muted);margin-bottom:24px;font-size:14px}:root[data-theme=light] .dtm-official-header,:root[data-theme=light] .dtm-section,:root[data-theme=light] .dtm-test-header,:root[data-theme=light] .dtm-questions-nav,:root[data-theme=light] .dtm-question-card,:root[data-theme=light] .dtm-result-card{box-shadow:0 1px 3px #00000014,0 4px 12px #0000000a}:root[data-theme=light] .dtm-submit-btn,:root[data-theme=light] .dtm-nav-btn.primary{background:#00bfff;box-shadow:0 4px 15px #00bfff4d}:root[data-theme=light] .dtm-submit-btn:hover:not(:disabled),:root[data-theme=light] .dtm-nav-btn.primary:hover:not(:disabled){box-shadow:0 8px 25px #00bfff66}:root[data-theme=light] 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.dtm-offline-answer-number{background:linear-gradient(135deg,var(--accent-green),#059669);border-color:transparent;color:#fff;box-shadow:0 2px 8px var(--glow-green)}.dtm-offline-answer-choices{display:flex;gap:6px;flex-wrap:nowrap;flex-shrink:0}.dtm-offline-choice-btn{width:36px;height:36px;min-width:36px;flex-shrink:0;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--text-secondary);font-weight:600;font-size:14px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.dtm-offline-choice-btn:hover{border-color:var(--accent-green);background:#10b9811a}.dtm-offline-choice-btn.selected{background:linear-gradient(135deg,var(--accent-green),#059669);border-color:transparent;color:#fff;box-shadow:0 2px 8px var(--glow-green)}.dtm-offline-footer{display:flex;justify-content:space-between;align-items:center;background:var(--bg-surface);padding:16px 20px;border-radius:var(--radius-lg);margin-top:20px;border:1px solid var(--border-subtle);flex-wrap:wrap;gap:12px}.dtm-offline-remaining{font-size:14px;color:var(--text-muted)}.dtm-offline-submit-btn{padding:12px 32px;background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));border:none;border-radius:var(--radius-md);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px var(--glow-blue)}.dtm-offline-submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px var(--glow-blue)}.dtm-offline-submit-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.dtm-offline-result{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 200px)}.dtm-offline-result-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:48px 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h1{font-size:24px;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,var(--text-primary),var(--accent-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dtm-offline-result-card>p{color:var(--text-muted);font-size:14px;margin-bottom:24px}.dtm-offline-result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.dtm-offline-stat{background:var(--bg-elevated);border-radius:var(--radius-md);padding:16px;border:1px solid var(--border-subtle)}.dtm-offline-stat-value{font-size:28px;font-weight:700;display:block;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dtm-offline-stat-label{font-size:12px;color:var(--text-muted);margin-top:4px;display:block}.dtm-offline-stat.correct 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var(--border-subtle)}.dtm-offline-subject-name{font-weight:500;color:var(--text-secondary);font-size:14px}.dtm-offline-subject-score{display:flex;align-items:center;gap:4px;font-weight:600}.dtm-offline-subject-score .correct{color:var(--accent-green);font-size:15px}.dtm-offline-subject-score .separator,.dtm-offline-subject-score .total{color:var(--text-muted)}.dtm-offline-result-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.dtm-offline-btn-primary{padding:12px 24px;background:linear-gradient(135deg,var(--accent-green),#059669);border:none;border-radius:var(--radius-md);color:#fff;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:14px;box-shadow:0 4px 15px var(--glow-green)}.dtm-offline-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px var(--glow-green)}.dtm-offline-btn-secondary{padding:12px 24px;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-secondary);font-weight:500;cursor:pointer;transition:all .2s ease;font-size:14px}.dtm-offline-btn-secondary:hover{border-color:var(--accent-cyan);color:var(--accent-cyan)}:root[data-theme=light] .dtm-offline-enter-id-card,:root[data-theme=light] .dtm-offline-header,:root[data-theme=light] .dtm-offline-section,:root[data-theme=light] .dtm-offline-footer,:root[data-theme=light] .dtm-offline-result-card{box-shadow:0 1px 3px #00000014,0 4px 12px #0000000a}@media(max-width:768px){.dtm-offline-enter-id-card{padding:32px 24px;margin:0 16px}.dtm-offline-icon{width:64px;height:64px;font-size:20px}.dtm-offline-enter-id-card h1{font-size:20px}.dtm-offline-header{flex-direction:column;align-items:flex-start;padding:14px 16px}.dtm-offline-header-left h1{font-size:16px}.dtm-offline-answers-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;padding:14px 16px}.dtm-offline-answer-item{padding:8px 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.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px var(--glow-blue)}.cert-modal .btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.cert-modal .btn-secondary{padding:12px 24px;background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);font-family:inherit;font-weight:500;font-size:14px;cursor:pointer;transition:all .2s ease}.cert-modal .btn-secondary:hover{border-color:var(--accent-cyan);color:var(--accent-cyan)}:root[data-theme=light] .btn-add-cert,:root[data-theme=light] .btn-add-first,:root[data-theme=light] .cert-modal .btn-primary{background:#00bfff;box-shadow:0 4px 15px #00bfff4d}:root[data-theme=light] .btn-add-cert:hover,:root[data-theme=light] .btn-add-first:hover,:root[data-theme=light] .cert-modal .btn-primary:hover:not(:disabled){box-shadow:0 8px 25px #00bfff66}:root[data-theme=light] 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#0088cc4d}.telegram-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #08c6}.telegram-btn svg{width:18px;height:18px}.video-lessons-info{margin-top:32px}.info-card{display:flex;align-items:flex-start;gap:16px;padding:20px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);border-left:3px solid var(--accent-cyan)}.info-icon{flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#22d3ee1a;border-radius:var(--radius-md);color:var(--accent-cyan)}.info-icon svg{width:20px;height:20px}.info-content h4{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.info-content p{font-size:13px;color:var(--text-muted);line-height:1.6}.video-lessons-page .no-data{grid-column:1 / -1;text-align:center;padding:60px 24px;background:var(--bg-surface);border-radius:var(--radius-lg);border:1px dashed 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.btn-secondary{background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border-subtle);padding:12px 24px;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all .2s ease;font-size:14px}.create-rasch .btn-secondary:hover{border-color:var(--accent-cyan);color:var(--accent-cyan)}.sub-questions-list{display:flex;flex-direction:column;gap:10px}.text-answer-item.sub-question{background:var(--bg-surface);border-color:var(--border-subtle)}.text-answer-item.sub-question.filled{border-color:var(--accent-green)}.answer-number.sub-number{width:44px;height:34px;border-radius:var(--radius-sm);font-size:12px}:root[data-theme=light] .create-rasch-section,:root[data-theme=light] .create-rasch-progress{box-shadow:0 1px 3px #00000014,0 4px 12px #0000000a}:root[data-theme=light] .create-rasch .btn-primary,:root[data-theme=light] .copy-btn{background:#00bfff;box-shadow:0 4px 15px #00bfff4d}:root[data-theme=light] .create-rasch 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16px 48px #00000014}:root[data-theme=light] .modal-overlay{background:#0006}.modal-header{padding:24px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:18px;font-weight:600;color:var(--text-primary)}.modal-close{width:32px;height:32px;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.modal-close:hover{background:var(--accent-red);border-color:var(--accent-red);color:#fff}.modal-body{padding:24px}.modal-footer{padding:20px 24px;border-top:1px solid var(--border-subtle);display:flex;gap:12px;justify-content:flex-end}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-success{color:var(--accent-green)}.text-warning{color:var(--accent-gold)}.text-danger{color:var(--accent-red)}.text-cyan{color:var(--accent-cyan)}.bg-surface{background:var(--bg-surface)}.bg-elevated{background:var(--bg-elevated)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.w-full{width:100%}.h-full{height:100%}@keyframes glow{0%,to{box-shadow:0 0 20px var(--glow-cyan)}50%{box-shadow:0 0 40px var(--glow-cyan),0 0 60px var(--glow-blue)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse-ring{0%{transform:scale(.8);opacity:1}to{transform:scale(1.5);opacity:0}}.animate-glow{animation:glow 3s ease-in-out infinite}.animate-float{animation:float 4s ease-in-out infinite}.page-header{margin-bottom:var(--space-xl)}.page-title{font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:8px;background:linear-gradient(135deg,var(--text-primary),var(--accent-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-subtitle{font-size:15px;color:var(--text-muted)}.empty-state{text-align:center;padding:60px 20px}.empty-state-icon{width:80px;height:80px;margin:0 auto 20px;padding:20px;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:50%;color:var(--text-muted)}.empty-state-title{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.empty-state-text{font-size:14px;color:var(--text-muted);max-width:300px;margin:0 auto}