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li:before{content:counter(step-counter);background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));border-radius:50%;justify-content:center;align-items:center;width:2rem;height:2rem;font-size:.875rem;font-weight:700;display:flex;position:absolute;top:0;left:0}.tech-list{list-style:none}.tech-list li{padding:var(--spacing-sm);border-left:2px solid var(--color-primary);padding-left:var(--spacing-md);margin-bottom:var(--spacing-sm)}.page-header{max-width:1400px;margin:0 auto var(--spacing-xl)}.back-link{align-items:center;gap:var(--spacing-xs);color:var(--color-primary);margin-bottom:var(--spacing-md);font-weight:600;text-decoration:none;transition:all .3s;display:inline-flex}.back-link:hover{transform:translate(-4px)}.back-link svg{width:20px;height:20px}.page-title{margin-bottom:var(--spacing-sm);font-size:3rem}.page-description{color:var(--text-secondary);max-width:800px;font-size:1.125rem}.video-recorder{width:100%}.camera-container{border-radius:var(--border-radius);background:var(--bg-secondary);width:100%;max-width:800px;box-shadow:var(--shadow-lg);margin:0 auto;position:relative;overflow:hidden}.camera-preview{width:100%;height:auto;display:block}.face-overlay{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}.camera-status{top:var(--spacing-md);left:var(--spacing-md);z-index:10;position:absolute}.status-badge{padding:var(--spacing-xs)var(--spacing-md);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:999px;font-size:.875rem;font-weight:600}.status-success{border:1px solid var(--color-success);color:var(--color-success);background:#10b98133}.status-warning{border:1px solid var(--color-warning);color:var(--color-warning);background:#fbbf2433}.status-error{border:1px solid var(--color-danger);color:var(--color-danger);background:#ef444433}.recording-indicator{top:var(--spacing-md);right:var(--spacing-md);align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm)var(--spacing-md);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;background:#ef4444e6;border-radius:999px;font-weight:600;display:flex;position:absolute}.recording-dot{background:#fff;border-radius:50%;width:12px;height:12px;animation:1s ease-in-out infinite pulse}.recorder-controls{justify-content:center;gap:var(--spacing-md);margin-top:var(--spacing-lg);display:flex}.processing-indicator{align-items:center;gap:var(--spacing-sm);color:var(--text-secondary);display:flex}.live-detector{width:100%}.detector-container{border-radius:var(--border-radius);background:var(--bg-secondary);width:100%;max-width:900px;box-shadow:var(--shadow-lg);min-height:500px;margin:0 auto;position:relative;overflow:hidden}.detector-placeholder{justify-content:center;align-items:center;gap:var(--spacing-md);color:var(--text-muted);padding:var(--spacing-xl);flex-direction:column;min-height:500px;display:flex}.placeholder-icon{opacity:.5;width:120px;height:120px}.detector-video-wrapper{width:100%;min-height:500px;position:relative}.detector-video{object-fit:cover;width:100%;height:auto;min-height:400px;display:block}.detector-overlay{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}.detector-stats{top:var(--spacing-md);right:var(--spacing-md);z-index:10;position:absolute}.stat-badge{padding:var(--spacing-xs)var(--spacing-md);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--border-radius-small);gap:var(--spacing-xs);background:#000000b3;font-size:.875rem;font-weight:600;display:flex}.stat-label{color:var(--text-muted)}.stat-value{color:var(--color-accent)}.detector-controls{margin-top:var(--spacing-lg);justify-content:center;display:flex}.prediction-display{margin-top:var(--spacing-lg);max-width:600px;margin-left:auto;margin-right:auto}.prediction-card{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px 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var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-md);max-height:300px;overflow-y:auto}.history-item{padding:var(--spacing-sm);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;display:flex}.history-item:last-child{border-bottom:none}.history-label{color:var(--color-primary);font-weight:600}.history-confidence{color:var(--text-muted);font-size:.875rem}.expression-card{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--shadow-md);transition:all .3s;overflow:hidden}.expression-card:hover{box-shadow:var(--shadow-lg);border-color:var(--color-primary);transform:translateY(-4px)}.card-thumbnail{aspect-ratio:16/9;background:var(--bg-tertiary);width:100%;overflow:hidden}.card-thumbnail img{object-fit:cover;width:100%;height:100%}.thumbnail-placeholder{width:100%;height:100%;color:var(--text-muted);justify-content:center;align-items:center;display:flex}.thumbnail-placeholder svg{width:64px;height:64px}.card-content{padding:var(--spacing-md)}.card-title{margin-bottom:var(--spacing-xs);color:var(--color-primary);font-size:1.25rem}.card-meta{gap:var(--spacing-md);color:var(--text-muted);font-size:.875rem;display:flex}.meta-item{align-items:center;gap:var(--spacing-xs);display:flex}.meta-icon{width:16px;height:16px}.card-actions{padding:var(--spacing-sm)var(--spacing-md);border-top:1px solid var(--border-color);justify-content:flex-end;gap:var(--spacing-sm);display:flex}.card-thumbnail{cursor:pointer;position:relative}.card-video{object-fit:cover;width:100%;height:100%}.play-overlay{background:#0006;justify-content:center;align-items:center;transition:background .3s;display:flex;position:absolute;inset:0}.card-thumbnail:hover .play-overlay{background:#0009}.play-icon{color:#fff;filter:drop-shadow(0 2px 4px #0000004d);width:64px;height:64px;transition:transform .2s}.card-thumbnail:hover .play-icon{transform:scale(1.1)}.record-page{max-width:1400px;margin:0 auto}.recording-section{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-xl);margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-md)}.expression-selector{margin-bottom:var(--spacing-xl)}.expression-selector h2{margin-bottom:var(--spacing-md);text-align:center}.label-buttons{gap:var(--spacing-sm);margin-bottom:var(--spacing-md);flex-wrap:wrap;justify-content:center;display:flex}.label-btn{padding:var(--spacing-sm)var(--spacing-lg);background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;border-radius:999px;font-weight:600;transition:all .3s}.label-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.label-btn.active{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));color:#fff;border-color:#0000}.custom-label-input{max-width:400px;margin:0 auto}.selected-label-display{text-align:center;margin-top:var(--spacing-md);color:var(--text-secondary);font-size:1.125rem}.selected-label-display strong{color:var(--color-accent)}.recorder-wrapper{margin-top:var(--spacing-xl)}.recorder-placeholder{justify-content:center;align-items:center;gap:var(--spacing-md);padding:var(--spacing-xl);color:var(--text-muted);flex-direction:column;min-height:400px;display:flex}.recorder-placeholder svg{opacity:.5;width:120px;height:120px}.videos-section{margin-bottom:var(--spacing-xl)}.section-header{margin-bottom:var(--spacing-lg);justify-content:space-between;align-items:center;display:flex}.section-header h2{margin-bottom:0}.training-progress{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.progress-bar-container{background:var(--bg-tertiary);width:100%;height:8px;margin-bottom:var(--spacing-sm);border-radius:999px;overflow:hidden}.progress-bar{background:linear-gradient(90deg,var(--color-primary),var(--color-accent));border-radius:999px;height:100%;transition:width .3s ease-out}.progress-text{text-align:center;color:var(--text-secondary);font-size:.875rem}.videos-grid{gap:var(--spacing-lg);margin-bottom:var(--spacing-lg);grid-template-columns:repeat(auto-fill,minmax(300px,1fr));display:grid}.empty-state{align-items:center;gap:var(--spacing-md);padding:var(--spacing-xl);color:var(--text-muted);text-align:center;flex-direction:column;display:flex}.empty-state svg{opacity:.5;width:120px;height:120px}.empty-state h3{margin-bottom:var(--spacing-xs);font-size:1.5rem}.info-banner{align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);border:1px solid var(--color-primary);border-radius:var(--border-radius-small);color:var(--color-primary);background:#00d4ff1a;display:flex}.info-banner svg{flex-shrink:0;width:24px;height:24px}.info-banner.warning{border-color:var(--color-warning);color:var(--color-warning);background:#fbbf241a}.action-footer{margin-top:var(--spacing-xl);padding-top:var(--spacing-xl);border-top:1px solid var(--border-color);justify-content:center;display:flex}.detect-page{max-width:1400px;margin:0 auto}.not-trained-state{justify-content:center;align-items:center;min-height:60vh;display:flex}.empty-state-card{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-xl);text-align:center;max-width:600px;box-shadow:var(--shadow-md)}.empty-icon{width:120px;height:120px;margin:0 auto var(--spacing-lg);color:var(--color-warning)}.empty-state-card h2{margin-bottom:var(--spacing-md)}.empty-state-card p{margin-bottom:var(--spacing-xl)}.empty-state-actions{justify-content:center;gap:var(--spacing-md);flex-wrap:wrap;display:flex}.loading-state{justify-content:center;align-items:center;gap:var(--spacing-lg);min-height:60vh;color:var(--text-secondary);flex-direction:column;display:flex}.spinner-large{border:3px solid var(--border-color);border-top-color:var(--color-primary);border-radius:50%;width:48px;height:48px;animation:.8s linear infinite spin}.model-info{margin-bottom:var(--spacing-xl);max-width:900px;margin-left:auto;margin-right:auto}.model-status-card{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid 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var(--border-color);flex-wrap:wrap;display:flex}.prototype-item{align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm)var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--border-radius-small);font-size:.875rem;display:flex}.prototype-label{color:var(--color-primary);font-weight:600}.prototype-samples{color:var(--text-muted)}.info-card-inline{align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--color-success);border-radius:var(--border-radius);box-shadow:var(--shadow-md);display:flex}.info-card-inline svg{width:32px;height:32px;color:var(--color-success);flex-shrink:0}.info-card-inline strong{margin-bottom:var(--spacing-xs);color:var(--color-success);font-size:1.125rem;display:block}.detector-wrapper{margin-bottom:var(--spacing-xl)}.tips-section{max-width:800px;margin:var(--spacing-xl)auto;padding:var(--spacing-lg);background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--border-radius)}.tips-section h3{margin-bottom:var(--spacing-md);text-align:center}.tips-list{list-style:none}.tips-list li{align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);margin-bottom:var(--spacing-sm);display:flex}.tips-list svg{width:20px;height:20px;color:var(--color-accent);flex-shrink:0}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(.95)}}@keyframes pulse-ring{0%{opacity:1;transform:scale(.95)}to{opacity:0;transform:scale(1.3)}}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:3px solid var(--border-color);border-top-color:var(--color-primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}.spinner-small{border:2px solid var(--border-color);border-top-color:var(--color-primary);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@media (max-width:1024px){.hero-section{gap:var(--spacing-lg);grid-template-columns:1fr}.hero-visual{order:-1}.visual-card{width:300px;height:300px}.visual-icon-large{width:150px;height:150px}.hero-title{font-size:3rem}.info-section{grid-template-columns:1fr}}@media (max-width:768px){.app-container{padding:var(--spacing-md)}.hero-title{font-size:2.5rem}.hero-description{font-size:1rem}.hero-actions{flex-direction:column}.page-title{font-size:2rem}.videos-grid{grid-template-columns:1fr}.section-header{align-items:flex-start;gap:var(--spacing-md);flex-direction:column}}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-tertiary)}::-webkit-scrollbar-thumb{background:var(--color-primary);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary-dark)}