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768px){.text-xs{font-size:.65rem!important}.text-sm{font-size:.75rem!important}.text-base{font-size:.85rem!important}.text-lg{font-size:.95rem!important}.text-xl{font-size:1.05rem!important}.text-2xl{font-size:1.2rem!important}.text-3xl{font-size:1.35rem!important}.btn,button{font-size:.8rem!important;padding:.4rem .8rem!important}.btn-lg{font-size:.9rem!important;padding:.5rem 1rem!important}input,textarea,select{font-size:.875rem!important;padding:.4rem .75rem!important}}.verification-orbit{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin-bottom:1rem;color:#ffffffa6;font-size:.7rem;text-align:center}.verification-orbit__track{position:absolute;top:1rem;left:16.5%;right:16.5%;height:1px;background:#ffffff2e}.verification-orbit__step{position:relative;z-index:1;display:grid;justify-items:center;gap:.4rem}.verification-orbit__node{display:grid;width:2rem;height:2rem;place-items:center;border:1px solid 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both;inset:0;pointer-events:none;position:absolute;width:100%;z-index:1}@keyframes orbital-handoff-enter{0%{opacity:0;transform:scale(.985) rotate(.35deg)}to{opacity:1;transform:scale(1) rotate(0)}}@keyframes orbital-handoff-exit{0%{opacity:1;transform:scale(1) rotate(0)}to{opacity:0;transform:scale(1.015) rotate(-.35deg)}}@media (prefers-reduced-motion: reduce){.orbital-handoff__layer--enter,.orbital-handoff__layer--exit{animation-duration:.45s;transform:none}.orbital-handoff__layer--enter{animation-name:orbital-handoff-crossfade-in}.orbital-handoff__layer--exit{animation-name:orbital-handoff-crossfade-out}}@keyframes orbital-handoff-crossfade-in{0%{opacity:0}to{opacity:1}}@keyframes orbital-handoff-crossfade-out{0%{opacity:1}to{opacity:0}}:root{--mastery-primary: #6B4CE6;--mastery-secondary: #9D7BE8;--mastery-accent: #FFD700;--mastery-success: #4CAF50;--mastery-warning: #FF9800;--mastery-error: #F44336;--mastery-info: #2196F3;--level-master: #FFD700;--level-advanced: #C0C0C0;--level-intermediate: #CD7F32;--level-developing: #4CAF50;--level-beginner: #2196F3;--bg-primary: #FFFFFF;--bg-secondary: #F5F5F5;--bg-tertiary: #E0E0E0;--text-primary: #212121;--text-secondary: #757575;--text-tertiary: #BDBDBD;--border-color: #E0E0E0;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 8px rgba(0, 0, 0, .15);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .2);--shadow-xl: 0 12px 24px rgba(0, 0, 0, .25);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-xxl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}.mastery-analytics-dashboard{max-width:1200px;margin:0 auto;padding:var(--spacing-xl);background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:2px solid var(--border-color)}.dashboard-header h2{font-size:2rem;font-weight:700;color:var(--text-primary);margin:0}.close-button{background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;padding:var(--spacing-sm);border-radius:var(--radius-full);transition:all var(--transition-fast)}.close-button:hover{background:var(--bg-secondary);color:var(--text-primary);transform:scale(1.1)}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.metric-card{background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);padding:var(--spacing-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:all var(--transition-normal);border:1px solid var(--border-color)}.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.metric-header{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.metric-icon{font-size:1.5rem}.metric-header h3{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin:0}.metric-value{display:flex;align-items:center;justify-content:center;margin:var(--spacing-lg) 0}.big-number{font-size:3rem;font-weight:700;color:var(--mastery-primary);line-height:1}.metric-unit{font-size:1rem;color:var(--text-secondary);margin-left:var(--spacing-sm)}.metric-subtitle{text-align:center;font-size:.875rem;color:var(--text-secondary)}.technique-name{font-size:1.25rem;font-weight:600;color:var(--mastery-primary);text-transform:capitalize}.score-circle{width:150px;height:150px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;position:relative}.score-inner{width:120px;height:120px;border-radius:var(--radius-full);background:var(--bg-primary);display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:inset var(--shadow-sm)}.score-number{font-size:2.5rem;font-weight:700;color:var(--text-primary)}.score-label{font-size:.875rem;color:var(--text-secondary)}.streak-card .big-number{animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.time-range-selector{display:flex;align-items:center;gap:var(--spacing-md);margin:var(--spacing-xl) 0;padding:var(--spacing-md);background:var(--bg-secondary);border-radius:var(--radius-md)}.time-range-selector label{font-weight:600;color:var(--text-primary)}.range-buttons{display:flex;gap:var(--spacing-sm)}.range-button{padding:var(--spacing-sm) var(--spacing-lg);border:2px solid var(--border-color);background:var(--bg-primary);color:var(--text-primary);border-radius:var(--radius-md);cursor:pointer;font-weight:600;transition:all var(--transition-fast)}.range-button:hover{border-color:var(--mastery-primary);color:var(--mastery-primary)}.range-button.active{background:var(--mastery-primary);color:#fff;border-color:var(--mastery-primary)}.chart-section{margin:var(--spacing-xl) 0;padding:var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--radius-lg)}.chart-section h3{margin-top:0;margin-bottom:var(--spacing-lg);font-size:1.25rem;font-weight:600;color:var(--text-primary)}.timeline-chart{position:relative;display:flex;height:250px;background:var(--bg-primary);border-radius:var(--radius-md);padding:var(--spacing-md)}.chart-y-axis{display:flex;flex-direction:column;justify-content:space-between;padding-right:var(--spacing-md);font-size:.75rem;color:var(--text-secondary)}.chart-area{flex:1;position:relative;border-left:2px solid var(--border-color);border-bottom:2px solid var(--border-color)}.timeline-bar{position:absolute;bottom:0;background:linear-gradient(180deg,var(--mastery-primary) 0%,var(--mastery-secondary) 100%);border-radius:var(--radius-sm) var(--radius-sm) 0 0;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:flex-start;justify-content:center;padding-top:var(--spacing-xs)}.timeline-bar:hover{opacity:.8;transform:scaleY(1.05)}.bar-label{font-size:.625rem;color:#fff;font-weight:600}.chart-x-axis{display:flex;justify-content:space-between;margin-top:var(--spacing-sm);margin-left:2rem;font-size:.75rem;color:var(--text-secondary)}.effectiveness-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.effectiveness-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-primary);border-radius:var(--radius-md);transition:all var(--transition-fast)}.effectiveness-item:hover{transform:translate(4px);box-shadow:var(--shadow-sm)}.technique-info{display:flex;align-items:center;gap:var(--spacing-sm);min-width:200px}.technique-rank{font-weight:700;color:var(--mastery-primary)}.technique-name{font-weight:600;color:var(--text-primary);text-transform:capitalize;flex:1}.technique-count{font-size:.75rem;color:var(--text-secondary)}.effectiveness-bar-container{flex:1;height:30px;background:var(--bg-secondary);border-radius:var(--radius-md);overflow:hidden;position:relative}.effectiveness-bar{height:100%;background:linear-gradient(90deg,var(--mastery-primary) 0%,var(--mastery-secondary) 100%);display:flex;align-items:center;justify-content:flex-end;padding-right:var(--spacing-sm);transition:width var(--transition-slow)}.effectiveness-score{font-size:.75rem;font-weight:700;color:#fff}.consistency-section{text-align:center}.consistency-bar-large{width:100%;height:40px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden;position:relative;margin:var(--spacing-lg) 0}.consistency-fill{height:100%;background:linear-gradient(90deg,#4caf50,#8bc34a);display:flex;align-items:center;justify-content:center;transition:width var(--transition-slow)}.consistency-label{font-size:.875rem;font-weight:700;color:#fff}.consistency-description{font-size:1rem;color:var(--text-primary);margin-top:var(--spacing-md)}.achievements-section{margin-top:var(--spacing-xxl)}.achievements-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-lg)}.achievement-badge{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-lg);background:linear-gradient(135deg,var(--mastery-secondary) 0%,var(--mastery-primary) 100%);border-radius:var(--radius-lg);color:#fff;text-align:center;transition:all var(--transition-normal);cursor:pointer}.achievement-badge:hover{transform:translateY(-4px) scale(1.05);box-shadow:var(--shadow-xl)}.badge-icon{font-size:2rem}.badge-name{font-size:.875rem;font-weight:600}.dashboard-footer{margin-top:var(--spacing-xxl);text-align:center}.refresh-button{padding:var(--spacing-md) var(--spacing-xl);background:var(--mastery-primary);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.refresh-button:hover{background:var(--mastery-secondary);transform:scale(1.05)}.post-session-modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn var(--transition-normal)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.post-session-modal{background:var(--bg-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:600px;width:90%;max-height:90vh;overflow-y:auto;animation:slideUp var(--transition-normal)}@keyframes slideUp{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}.modal-header{padding:var(--spacing-xl);border-bottom:2px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.modal-header h2{margin:0;font-size:1.5rem;color:var(--text-primary)}.modal-body{padding:var(--spacing-xl)}.form-section{margin-bottom:var(--spacing-xl)}.form-section h3{font-size:1.125rem;margin-bottom:var(--spacing-md);color:var(--mastery-primary);display:flex;align-items:center;gap:var(--spacing-sm)}.form-group{margin-bottom:var(--spacing-lg)}.form-group label{display:block;margin-bottom:var(--spacing-sm);font-weight:600;color:var(--text-primary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:var(--spacing-md);border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:1rem;transition:all var(--transition-fast)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--mastery-primary);box-shadow:0 0 0 3px #6b4ce61a}.form-group textarea{resize:vertical;min-height:80px}.rating-stars{display:flex;gap:var(--spacing-sm);font-size:2rem}.rating-star{cursor:pointer;transition:all var(--transition-fast);color:var(--text-tertiary)}.rating-star.filled{color:var(--mastery-accent)}.rating-star:hover{transform:scale(1.2)}.tag-container{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-top:var(--spacing-sm)}.tag{padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);font-size:.875rem}.tag.selected{background:var(--mastery-primary);color:#fff;border-color:var(--mastery-primary)}.tag:hover{transform:scale(1.05)}.advanced-toggle{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:var(--bg-secondary);border-radius:var(--radius-md);cursor:pointer;margin:var(--spacing-lg) 0;transition:all var(--transition-fast)}.advanced-toggle:hover{background:var(--mastery-primary);color:#fff}.advanced-section{animation:slideDown var(--transition-normal);overflow:hidden}@keyframes slideDown{0%{opacity:0;max-height:0}to{opacity:1;max-height:1000px}}.modal-footer{padding:var(--spacing-xl);border-top:2px solid var(--border-color);display:flex;gap:var(--spacing-md);justify-content:flex-end}.modal-button{padding:var(--spacing-md) var(--spacing-xl);border:none;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-fast);font-size:1rem}.modal-button-primary{background:var(--mastery-primary);color:#fff}.modal-button-primary:hover{background:var(--mastery-secondary);transform:scale(1.05)}.modal-button-secondary{background:var(--bg-secondary);color:var(--text-primary)}.modal-button-secondary:hover{background:var(--bg-tertiary)}.insight-card,.recommendation-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:var(--spacing-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);margin:var(--spacing-lg) 0;animation:slideIn var(--transition-normal)}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.insight-header,.recommendation-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.insight-icon,.recommendation-icon{font-size:2rem}.insight-title,.recommendation-title{font-size:1.25rem;font-weight:700;margin:0}.insight-content,.recommendation-content{font-size:1rem;line-height:1.6;margin-bottom:var(--spacing-lg)}.insight-action,.recommendation-action{padding:var(--spacing-md) var(--spacing-lg);background:#fff3;border:2px solid white;color:#fff;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.insight-action:hover,.recommendation-action:hover{background:#fff;color:var(--mastery-primary)}.mastery-dashboard-loading,.mastery-dashboard-error,.mastery-dashboard-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xxl);text-align:center}.loading-spinner{width:60px;height:60px;border:4px solid var(--border-color);border-top-color:var(--mastery-primary);border-radius:var(--radius-full);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-icon,.empty-icon{font-size:4rem;margin-bottom:var(--spacing-lg)}.retry-button{margin-top:var(--spacing-lg);padding:var(--spacing-md) var(--spacing-xl);background:var(--mastery-primary);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.retry-button:hover{background:var(--mastery-secondary);transform:scale(1.05)}@media (max-width: 768px){.mastery-analytics-dashboard{padding:var(--spacing-md)}.dashboard-header h2{font-size:1.5rem}.metrics-grid{grid-template-columns:1fr}.big-number{font-size:2rem}.score-circle{width:120px;height:120px}.score-inner{width:95px;height:95px}.score-number{font-size:2rem}.achievements-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.timeline-chart{height:200px}.post-session-modal{width:95%;max-height:95vh}.modal-header,.modal-body,.modal-footer{padding:var(--spacing-md)}}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button:focus,input:focus,select:focus,textarea:focus{outline:2px solid var(--mastery-primary);outline-offset:2px}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (prefers-color-scheme: dark){:root{--bg-primary: #1E1E1E;--bg-secondary: #2D2D2D;--bg-tertiary: #3D3D3D;--text-primary: #FFFFFF;--text-secondary: #B0B0B0;--text-tertiary: #808080;--border-color: #404040}.metric-card{background:linear-gradient(135deg,var(--bg-tertiary) 0%,var(--bg-secondary) 100%)}.score-inner{background:var(--bg-secondary)}}@media print{.close-button,.refresh-button,.modal-button,.advanced-toggle{display:none}.mastery-analytics-dashboard{box-shadow:none;border:1px solid var(--border-color)}.metric-card{-moz-column-break-inside:avoid;break-inside:avoid}}