:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(135deg, #3498db 0%, #2980b9 100%);--bg-primary: #f8f9fa;--bg-card: #ffffff;--text-primary: #2c3e50;--text-secondary: #666666;--success: #27ae60;--warning: #f39c12;--error: #e74c3c;--space-xs: 8px;--space-sm: 16px;--space-md: 24px;--space-lg: 32px;--space-xl: 40px;--space-2xl: 48px;--space-3xl: 60px;--space-4xl: 80px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 24px;--shadow-sm: 0 2px 10px rgba(0, 0, 0, .1);--shadow-md: 0 10px 30px rgba(0, 0, 0, .1);--shadow-lg: 0 20px 60px rgba(0, 0, 0, .15);--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;font-family:Segoe 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#667eea1a}label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-primary)}.dark-theme{--bg-primary: #1a1a2e;--bg-card: rgba(255, 255, 255, .05);--text-primary: #e0e0e0;--text-secondary: #b0b0b0;--primary-gradient: linear-gradient(135deg, #4a9eff 0%, #3e8cd6 100%);background:var(--bg-primary);min-height:100vh}.dark-theme .dashboard-header{background:#ffffff0d;border-color:#ffffff1a;box-shadow:none}.dark-theme .dashboard-header h1{background:none;-webkit-text-fill-color:initial;color:#4a9eff}.dark-theme .dashboard-card{border-color:#ffffff1a;box-shadow:none}.dark-theme .dashboard-card:hover{box-shadow:0 8px 24px #0000004d}.dark-theme .dashboard-card h2{border-bottom-color:#ffffff1a}.dark-theme .list-container{border-color:#ffffff1a;box-shadow:none}.dark-theme .list-item{background:#ffffff08;border-color:#ffffff14}.dark-theme .list-item:hover{background:#ffffff14;border-color:#4a9eff}.dark-theme .admin-section{border-color:#ffffff1a}.dark-theme .section-header{border-bottom-color:#ffffff1a}.dark-theme .task-form-card{background:#ffffff08;border-color:#ffffff14;box-shadow:none}.dark-theme .form-group input,.dark-theme .form-group select,.dark-theme .form-group textarea{background:#ffffff0d;border-color:#ffffff1a;color:var(--text-primary)}.dark-theme .task-item{background:#ffffff08;border-color:#ffffff14}.dark-theme .task-item:hover{background:#ffffff14}.dark-theme .btn-icon{background:#ffffff0d;border-color:#ffffff1a;color:var(--text-secondary)}.dark-theme .btn-icon:hover{background:#ffffff1a;color:var(--text-primary)}.auth-container{display:flex;justify-content:center;align-items:center;min-height:80vh;width:100%;padding:var(--space-md)}.auth-card{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.2);box-shadow:var(--shadow-lg);padding:var(--space-xl);width:100%;max-width:480px;text-align:center;animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.auth-card h1{font-size:2.5rem;margin-bottom:var(--space-xs);background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}.auth-card h2{color:var(--text-secondary);font-size:1.5rem;font-weight:500;margin-bottom:var(--space-lg)}.form-group{margin-bottom:var(--space-md);text-align:left}.form-group label{color:var(--text-primary);margin-bottom:8px;font-weight:600;display:block}.form-row{display:flex;gap:var(--space-md)}.form-row .form-group{flex:1}.btn-primary{width:100%;margin-top:var(--space-sm);font-size:1.1rem}.error-message{background-color:#e74c3c1a;color:var(--error);padding:12px;border-radius:var(--radius-sm);margin-bottom:var(--space-md);border-left:4px solid var(--error);text-align:left}.auth-link{margin-top:var(--space-lg);color:var(--text-secondary)}.auth-link a{color:#667eea;font-weight:600}.auth-link a:hover{text-decoration:underline}@media(max-width:480px){.auth-card{padding:var(--space-md)}.form-row{flex-direction:column;gap:0}}:root{--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-hover: #f3f4f6;--bg-active: #eff6ff;--text-primary: #111827;--text-secondary: #374151;--text-muted: #6b7280;--text-active: #2563eb;--border-color: #e5e7eb;--shadow-color: rgba(0, 0, 0, .05)}.dark-mode{--bg-primary: #111827;--bg-secondary: #1f2937;--bg-hover: #374151;--bg-active: #1e3a8a;--text-primary: #f9fafb;--text-secondary: #d1d5db;--text-muted: #9ca3af;--text-active: #60a5fa;--border-color: #374151;--shadow-color: rgba(0, 0, 0, .3)}.book-container{display:flex;height:100vh;background-color:var(--bg-primary);color:var(--text-primary);overflow:hidden}.book-sidebar{width:260px;background-color:var(--bg-secondary);border-right:1px solid 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var(--border-color);margin-left:.5rem}.book-content-wrapper{flex:1;display:flex;flex-direction:column;height:100%;overflow:hidden;text-align:left;background-color:var(--bg-primary)}.book-header{background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);padding:1rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 1px 2px 0 var(--shadow-color);z-index:10}.nav-left,.nav-right{width:8rem;display:flex;align-items:center}.nav-right{justify-content:flex-end;gap:.5rem}.nav-button{padding:.5rem 1rem;border:1px solid var(--border-color);border-radius:.25rem;background-color:var(--bg-primary);cursor:pointer;transition:background-color .2s;color:var(--text-primary)}.nav-button:hover:not(:disabled){background-color:var(--bg-hover)}.nav-button:disabled{opacity:.5;cursor:not-allowed}.header-title{color:var(--text-muted);font-size:.875rem;font-weight:500}.book-page{flex:1;overflow-y:auto;padding:2rem;background-color:var(--bg-primary)}.page-container{max-width:48rem;margin:0 auto}.page-title{font-size:1.875rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-primary)}.decimal-badge{color:var(--text-muted);margin-right:.75rem}.formation-image-container{margin-bottom:2rem;border-radius:.5rem;overflow:hidden;border:1px solid var(--border-color);box-shadow:0 1px 2px 0 var(--shadow-color)}.formation-image{width:100%;height:auto;max-height:24rem;object-fit:contain;background-color:var(--bg-secondary)}.cover-page{flex:1;padding:2rem;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:var(--bg-secondary);height:100%;width:100%;text-align:center}.cover-title{font-size:3rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;text-align:center}.markdown-content{color:var(--text-secondary);line-height:1.6}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4,.markdown-content h5,.markdown-content h6{color:var(--text-primary);font-weight:700;margin-top:1.5em;margin-bottom:.5em}.markdown-content h1{font-size:2em}.markdown-content h2{font-size:1.5em}.markdown-content h3{font-size:1.25em}.markdown-content p{margin-bottom:1em}.markdown-content ul{list-style-type:disc;padding-left:1.5em;margin-bottom:1em}.markdown-content ol{list-style-type:decimal;padding-left:1.5em;margin-bottom:1em}.markdown-content strong{color:var(--text-primary);font-weight:600}.markdown-content code{background-color:var(--bg-secondary);padding:.2em .4em;border-radius:.25em;font-size:.875em;font-family:monospace}.markdown-content pre{background-color:var(--bg-secondary);padding:1em;border-radius:.5em;overflow-x:auto;margin-bottom:1em}.markdown-content blockquote{border-left:4px solid var(--border-color);padding-left:1em;color:var(--text-muted);font-style:italic;margin-bottom:1em}.dashboard-container{min-height:100vh;background:transparent;padding:var(--space-md);max-width:1400px;margin:0 auto}.dashboard-header{background:#fffc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.5);border-radius:var(--radius-lg);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-lg);display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow-sm)}.dashboard-header h1{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:2rem;margin:0;font-weight:700}.dashboard-header .user-info{display:flex;align-items:center;gap:var(--space-md)}.dashboard-header .user-name{color:var(--text-primary);font-size:1rem;font-weight:600}.dashboard-header .user-role{background:var(--secondary-gradient);color:#fff;padding:6px 12px;border-radius:20px;font-size:.85rem;font-weight:600;text-transform:uppercase;box-shadow:var(--shadow-sm)}.btn-logout{background:#fff;border:1px solid #ff5252;color:#ff5252;padding:8px 16px;border-radius:var(--radius-md);cursor:pointer;font-size:.9rem;font-weight:600;transition:all .3s ease}.btn-logout:hover{background:#ff5252;color:#fff;transform:translateY(-2px);box-shadow:0 4px 10px #ff525233}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-lg);margin-bottom:var(--space-lg)}.dashboard-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-sm);transition:all .3s ease;border:1px solid rgba(0,0,0,.05)}.dashboard-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.dashboard-card h2{color:var(--text-primary);font-size:1.5rem;margin-bottom:var(--space-md);border-bottom:2px solid #f0f0f0;padding-bottom:var(--space-xs)}.dashboard-card p{color:var(--text-secondary);line-height:1.6}.stat-card{text-align:center}.stat-value{font-size:3rem;background:var(--secondary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700;margin:var(--space-md) 0}.stat-label{color:var(--text-secondary);font-size:1rem;font-weight:500}.btn-secondary{background:#fff;border:2px solid #4a9eff;color:#4a9eff;padding:10px 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0}.empty-state{text-align:center;padding:var(--space-xl);color:var(--text-secondary);background:#f8f9fa;border-radius:var(--radius-md);border:2px dashed #e9ecef}.loading-state{text-align:center;padding:var(--space-xl);color:var(--text-secondary);font-size:1.2rem}@media(max-width:768px){.dashboard-header{flex-direction:column;gap:var(--space-md);text-align:center;padding:var(--space-md)}.dashboard-header .user-info{flex-direction:column;gap:var(--space-sm)}.dashboard-grid{grid-template-columns:1fr}}.admin-section{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--space-lg);margin-top:var(--space-lg);box-shadow:var(--shadow-sm);border:1px solid rgba(0,0,0,.05)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md);padding-bottom:var(--space-xs);border-bottom:2px solid #f0f0f0}.section-header h2{color:var(--text-primary);margin:0;font-size:1.5rem}.task-form-card{background:#f8f9fa;border:1px solid #e9ecef;border-radius:var(--radius-md);padding:var(--space-lg);margin-bottom:var(--space-lg);box-shadow:inset 0 2px 4px #00000005}.task-form-card h3{color:var(--text-primary);margin-top:0;margin-bottom:var(--space-md);font-size:1.2rem}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.form-group{margin-bottom:var(--space-md)}.form-group label{display:block;color:var(--text-primary);font-size:.9rem;font-weight:600;margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px;background:#fff;border:1px solid #ced4da;border-radius:var(--radius-sm);color:var(--text-primary);font-size:.95rem;transition:all .2s ease}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;color:var(--text-primary)}.checkbox-label input[type=checkbox]{width:auto}.form-actions{display:flex;gap:var(--space-sm);margin-top:var(--space-md)}.tasks-by-stage{margin-top:var(--space-lg)}.stage-section{margin-bottom:var(--space-xl)}.stage-section h3{color:var(--text-primary);margin-bottom:var(--space-md);padding-bottom:8px;border-bottom:2px solid #e9ecef;font-size:1.3rem}.tasks-list{display:flex;flex-direction:column;gap:var(--space-sm)}.task-item{background:#fff;border:1px solid #e9ecef;border-radius:var(--radius-md);padding:var(--space-md);display:flex;justify-content:space-between;align-items:flex-start;transition:all .3s ease}.task-item:hover{background:#f8f9fa;border-color:#667eea;box-shadow:var(--shadow-sm);transform:translate(4px)}.task-info{flex:1}.task-info h4{color:var(--text-primary);margin:0 0 8px;font-size:1.1rem}.task-info p{color:var(--text-secondary);margin:0 0 12px;font-size:.95rem;line-height:1.5}.task-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.badge{background:#667eea1a;color:#667eea;padding:4px 10px;border-radius:4px;font-size:.8rem;font-weight:600}.badge.required{background:#f39c121a;color:#f39c12}.stat{color:var(--text-secondary);font-size:.85rem;font-weight:500}.task-actions{display:flex;gap:8px}.btn-icon{background:#fff;border:1px solid #dee2e6;border-radius:var(--radius-sm);padding:8px;cursor:pointer;font-size:1.1rem;transition:all .2s ease;color:var(--text-secondary)}.btn-icon:hover{background:#e9ecef;color:var(--text-primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}@media(max-width:768px){.form-grid{grid-template-columns:1fr}.task-item{flex-direction:column}.task-actions{margin-top:12px;width:100%;justify-content:flex-end}}.progress-tracker{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:24px;margin-bottom:24px}.progress-tracker h2{color:#e0e0e0;font-size:1.3rem;margin-bottom:20px}.progress-bar-container{background:#ffffff1a;height:8px;border-radius:4px;overflow:hidden;margin-bottom:24px}.progress-bar-fill{background:linear-gradient(90deg,#4a9eff,#357abd);height:100%;transition:width .5s ease}.stages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.stage-item{display:flex;align-items:center;gap:12px;padding:12px;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:8px;transition:all .3s ease}.stage-item.completed{border-color:#4caf5080;background:#4caf501a}.stage-item.current{border-color:#4a9eff80;background:#4a9eff1a;box-shadow:0 0 12px #4a9eff4d}.stage-item.locked{opacity:.5}.stage-icon{font-size:1.5rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%}.stage-item.completed .stage-icon{background:#4caf5033;color:#4caf50}.stage-item.current .stage-icon{background:#4a9eff33;color:#4a9eff}.stage-item.locked .stage-icon{background:#ffffff0d;color:#666}.stage-info{flex:1}.stage-number{color:#b0b0b0;font-size:.75rem;text-transform:uppercase}.stage-name{color:#e0e0e0;font-size:.95rem;font-weight:500}@media(max-width:768px){.stages-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}}.formation-identifier{display:flex;flex-direction:column;align-items:center;gap:1rem;width:100%;max-width:800px;margin:0 auto}.instructions{text-align:center}.instructions strong{color:var(--primary-color);font-size:1.2rem}.sub-text{font-size:.9rem;color:#666;margin-top:.25rem}.image-container{position:relative;display:inline-block;border:2px solid #eee;border-radius:8px;overflow:hidden;cursor:crosshair;-webkit-user-select:none;user-select:none;touch-action:none}.image-container img{display:block;max-width:100%;height:auto;pointer-events:none}.bounding-box{position:absolute;border:2px solid #2196F3;background-color:#2196f333;pointer-events:none}.bounding-box.drawing{border-style:dashed;background-color:#2196f31a}.bounding-box.submitted{border-color:#4caf50;background-color:#4caf5033}.bounding-box.ground-truth{border:2px dashed #FF9800;background-color:transparent}.controls{display:flex;gap:1rem;align-items:center;margin-top:1rem}.btn-secondary{padding:.5rem 1rem;background-color:#f5f5f5;border:1px solid #ddd;border-radius:4px;cursor:pointer;font-weight:500}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.btn-primary{padding:.5rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;cursor:pointer;font-weight:600}.btn-primary:disabled{background-color:#ccc;cursor:not-allowed}.result-display{display:flex;align-items:center;gap:1rem;font-size:1.1rem;font-weight:600}.score{color:#333}.success{color:#4caf50}.failure{color:#f44336}.stage-tasks{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:24px}.stage-tasks h2{color:#e0e0e0;font-size:1.3rem;margin-bottom:20px}.tasks-list{display:flex;flex-direction:column;gap:16px}.task-card{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:16px;transition:all .3s ease}.task-card:hover{background:#ffffff0d;border-color:#4a9eff4d}.task-card.approved{border-color:#4caf504d;background:#4caf500d}.task-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.task-icon{font-size:1.5rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#4a9eff1a;border-radius:8px}.task-title{flex:1}.task-title h3{color:#e0e0e0;font-size:1.1rem;margin:0 0 4px}.required-badge{background:#ff980033;color:#ff9800;padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:600}.status-badge{padding:4px 12px;border-radius:6px;font-size:.85rem;font-weight:600}.status-badge.approved{background:#4caf5033;color:#4caf50}.status-badge.pending{background:#ff980033;color:#ff9800}.status-badge.rejected{background:#f4433633;color:#f44336}.task-description{color:#b0b0b0;line-height:1.6;margin-bottom:12px}.mentor-feedback{background:#4a9eff1a;border-left:3px solid #4a9eff;padding:12px;margin-bottom:12px;border-radius:4px;color:#e0e0e0}.task-actions{display:flex;flex-direction:column;gap:8px}.submission-textarea{width:100%;min-height:80px;padding:12px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:#e0e0e0;font-size:.95rem;resize:vertical}.submission-textarea:focus{outline:none;border-color:#4a9eff}.btn-complete,.btn-submit,.btn-quiz{padding:10px 20px;border:none;border-radius:6px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-complete{background:#4caf5033;color:#4caf50;border:1px solid rgba(76,175,80,.3)}.btn-complete:hover:not(:disabled){background:#4caf504d}.btn-submit{background:linear-gradient(135deg,#4a9eff,#357abd);color:#fff}.btn-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #4a9eff66}.btn-quiz{background:#ff980033;color:#ff9800;border:1px solid rgba(255,152,0,.3)}.btn-quiz:hover:not(:disabled){background:#ff98004d}.btn-complete:disabled,.btn-submit:disabled,.btn-quiz:disabled{opacity:.5;cursor:not-allowed}#root{max-width:1280px;margin:0 auto;padding:2rem;min-height:100vh;display:flex;flex-direction:column}.app-container{width:100%;flex:1;display:flex;flex-direction:column}main{flex:1;display:flex;justify-content:center;align-items:flex-start;width:100%}