@tailwind base;@tailwind components;@tailwind utilities;body{margin:0}.app-bg,.auth-card,.btn-ghost,.btn-primary,.form-input,.helper-text,.webcam-box{@apply text-sm text-slate-500 mt-1}.navbar{background:#fff;box-shadow:0 1px 3px 0 #0000001a,0 1px 2px 0 #0000000f;padding:0;position:-webkit-sticky;position:sticky;top:0;z-index:1000}.navbar-container{height:72px;justify-content:space-between;margin:0 auto;max-width:1400px;padding:0 2rem}.navbar-container,.navbar-logo{align-items:center;display:flex}.navbar-logo{color:#1e293b;gap:.75rem;text-decoration:none;transition:all .2s ease}.navbar-logo:hover{color:#3b82f6}.logo-icon{background:linear-gradient(135deg,#3b82f6,#1e40af);border-radius:10px;box-shadow:0 4px 6px -1px #3b82f640}.logo-symbol{color:#fff;font-size:1.25rem;font-weight:700}.logo-text{display:flex;flex-direction:column}.logo-title{color:inherit;font-size:1.25rem;font-weight:700;line-height:1.2}.logo-subtitle{color:#64748b;font-size:.75rem;font-weight:500;line-height:1}.navbar-menu{align-items:center;display:flex;gap:2rem}.navbar-link{border-radius:8px;color:#64748b;font-size:.875rem;font-weight:500;padding:.5rem 1rem;position:relative;text-decoration:none;transition:all .2s ease}.navbar-link:hover{background:#f1f5f9;color:#3b82f6}.navbar-link.register-btn{background:#3b82f6;color:#fff;padding:.625rem 1.5rem}.navbar-link.register-btn:hover{background:#2563eb;color:#fff}.navbar-right{align-items:center;display:flex;gap:1.5rem}.ai-status-indicator{align-items:center;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:20px;color:#15803d;display:flex;font-size:.75rem;font-weight:600;gap:.5rem;padding:.5rem .75rem}.status-dot{background:#22c55e}.status-dot.active{background:#22c55e;box-shadow:0 0 6px #22c55e66}.status-text{color:#15803d}.profile-dropdown{position:relative}.profile-button{align-items:center;background:#fff;border:1px solid #e2e8f0;border-radius:12px;cursor:pointer;display:flex;font-family:inherit;gap:.75rem;padding:.5rem 1rem;transition:all .2s ease}.profile-button:hover{border-color:#cbd5e1;box-shadow:0 1px 3px 0 #0000001a}.profile-avatar{align-items:center;background:linear-gradient(135deg,#3b82f6,#1e40af);border-radius:50%;color:#fff;display:flex;font-size:.875rem;font-weight:600;height:36px;justify-content:center;width:36px}.profile-info{display:flex;flex-direction:column;text-align:left}.profile-name{color:#1e293b;font-size:.875rem;font-weight:600;line-height:1.2}.profile-role{font-size:.75rem;font-weight:500;line-height:1.2;text-transform:capitalize}.profile-arrow{align-items:center;color:#64748b;display:flex;transition:transform .2s ease}.profile-arrow.open{transform:rotate(180deg)}.profile-menu{animation:slideDown .2s ease-out;background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;min-width:280px;overflow:hidden;position:absolute;right:0;top:calc(100% + .5rem);z-index:1000}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.profile-menu-header{align-items:center;background:#f8fafc;display:flex;gap:1rem;padding:1.5rem}.profile-menu-avatar{align-items:center;background:linear-gradient(135deg,#3b82f6,#1e40af);border-radius:50%;color:#fff;display:flex;font-size:1rem;font-weight:600;height:48px;justify-content:center;width:48px}.profile-menu-info{flex:1 1}.profile-menu-name{color:#1e293b;font-size:1rem;font-weight:600;margin-bottom:.25rem}.profile-menu-email{color:#64748b;font-size:.875rem;margin-bottom:.5rem}.profile-menu-role{border-radius:12px;color:#fff;display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.025em;padding:.25rem .75rem;text-transform:uppercase}.profile-menu-divider{background:#e2e8f0;height:1px;margin:0}.profile-menu-items{padding:.5rem 0}.profile-menu-item{align-items:center;background:none;border:none;color:#374151;cursor:pointer;display:flex;font-family:inherit;padding:.75rem 1.5rem;text-align:left;transition:all .2s ease;width:100%}.profile-menu-item:hover{background:#f8fafc;color:#1e293b}.profile-menu-item.logout-item{color:#dc2626}.profile-menu-item.logout-item:hover{background:#fef2f2;color:#b91c1c}.menu-item-label{font-size:.875rem;font-weight:500}@media (max-width:1024px){.navbar-container{padding:0 1.5rem}.navbar-menu{gap:1.5rem}.profile-info{display:none}.profile-button{gap:0;padding:.5rem}.ai-status-indicator{padding:.375rem .625rem}.status-text{display:none}}@media (max-width:768px){.navbar-container{padding:0 1rem}.navbar-menu{gap:1rem}.navbar-link{font-size:.8125rem;padding:.375rem .75rem}.logo-text{display:none}.navbar-right{gap:1rem}}@media (max-width:640px){.navbar-container{flex-wrap:wrap;gap:1rem;height:auto;padding:1rem}.navbar-menu{border-top:1px solid #e2e8f0;justify-content:center;order:3;padding-top:1rem;width:100%}.profile-menu{right:50%;transform:translateX(50%)}}.navbar-link.loading,.profile-button.loading{opacity:.7;pointer-events:none}.navbar-link.loading{background:#f1f5f9;color:#94a3b8}.navbar-link:focus-visible,.profile-button:focus-visible,.profile-menu-item:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.navbar-link.active{background:#fff;color:#3b82f6}.navbar-link.active:after{background:#3b82f6;border-radius:1px;bottom:-1px;content:"";height:2px;left:50%;position:absolute;transform:translateX(-50%);width:24px}.exam-results-container{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);margin:0 auto;max-width:1400px;min-height:100vh;padding:20px}.error-state,.loading-state,.no-submission-state{align-items:center;background:#fff;border-radius:16px;box-shadow:0 8px 32px #1f26875e;display:flex;flex-direction:column;justify-content:center;margin:40px 0;min-height:400px;padding:40px;text-align:center}.loading-spinner{border-top-color:#2563eb;margin-bottom:20px}.error-icon,.no-submission-icon{font-size:4rem;margin-bottom:20px}.error-actions{margin-top:20px}.results-header{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff;border:1px solid #ffffff2e;border-radius:16px;box-shadow:0 8px 32px #1f26875e;margin-bottom:30px;padding:30px}.header-content{gap:20px}.back-button{background:#6b7280;border-radius:10px;font-weight:500;padding:10px 20px}.back-button:hover{background:#4b5563;box-shadow:0 4px 12px #6b72804d}.exam-info h1{font-size:2.2rem;font-weight:700}.exam-info h2{color:#2563eb;margin-bottom:8px}.student-performance-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-bottom:40px}.performance-card{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff;border:1px solid #ffffff2e;border-radius:16px;box-shadow:0 8px 32px #1f26875e;display:flex;gap:20px;padding:25px;transition:all .3s ease}.performance-card:hover{box-shadow:0 12px 40px #1f268780;transform:translateY(-5px)}.performance-icon{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;font-size:2.5rem;min-width:60px;padding:15px;text-align:center}.performance-content h3{color:#1f2937;font-size:2rem;font-weight:700;margin-bottom:5px}.performance-content p{color:#6b7280;font-weight:500;margin-bottom:5px}.performance-content small{color:#9ca3af;font-size:.875rem}.performance-excellent .performance-icon{background:linear-gradient(135deg,#10b981,#059669)}.performance-good .performance-icon{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.performance-average .performance-icon{background:linear-gradient(135deg,#f59e0b,#d97706)}.performance-below-average .performance-icon{background:linear-gradient(135deg,#ef4444,#dc2626)}.performance-poor .performance-icon{background:linear-gradient(135deg,#7c2d12,#991b1b)}.passed .performance-icon{background:linear-gradient(135deg,#10b981,#059669)}.failed .performance-icon{background:linear-gradient(135deg,#ef4444,#dc2626)}.approved .performance-icon{background:linear-gradient(135deg,#10b981,#059669)}.flagged .performance-icon{background:linear-gradient(135deg,#f59e0b,#d97706)}.risk-minimal .performance-icon{background:linear-gradient(135deg,#10b981,#059669)}.risk-low .performance-icon{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.risk-medium .performance-icon{background:linear-gradient(135deg,#f59e0b,#d97706)}.risk-high .performance-icon{background:linear-gradient(135deg,#ef4444,#dc2626)}.statistics-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:30px}.stat-card{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid #ffffff2e;box-shadow:0 8px 32px #1f26875e;padding:25px}.stat-card:hover{box-shadow:0 12px 40px #1f268780;transform:translateY(-3px)}.stat-icon{border-radius:10px;padding:10px}.stat-content h3{font-size:1.8rem;font-weight:700;margin-bottom:2px}.stat-content p{color:#6b7280;font-size:.9rem;font-weight:500}.detailed-analysis{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff;border:1px solid #ffffff2e;border-radius:16px;box-shadow:0 8px 32px #1f26875e;margin-bottom:30px;padding:30px}.detailed-analysis h3{color:#1f2937;font-size:1.5rem;font-weight:600;margin-bottom:20px}.analysis-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.analysis-card{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:20px}.analysis-card h4{color:#374151;font-size:1.1rem;font-weight:600;margin-bottom:15px}.behavior-stats{display:flex;flex-direction:column;gap:10px}.stat-item{background:#fff;border:1px solid #e5e7eb;padding:8px 12px}.stat-label{color:#6b7280}.stat-value{color:#1f2937;font-weight:600}.flagged-behaviors{display:flex;flex-wrap:wrap;gap:8px}.behavior-tag{border-radius:20px;font-size:.8rem;padding:6px 12px}.no-flags{padding:20px;text-align:center}.success-message{color:#059669;font-size:1.1rem;font-weight:600}.review-notice{border-radius:12px;gap:15px;margin-top:20px;padding:20px}.notice-icon{font-size:2rem}.notice-content h4{color:#92400e;font-weight:600;margin-bottom:10px}.notice-content p{color:#78350f;line-height:1.6;margin-bottom:10px}.performance-insights{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff;border:1px solid #ffffff2e;border-radius:16px;box-shadow:0 8px 32px #1f26875e;margin-bottom:30px;padding:30px}.performance-insights h3{color:#1f2937;font-size:1.5rem;font-weight:600;margin-bottom:20px}.insights-grid{grid-gap:20px;gap:20px}.insight-card{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:1px solid #0ea5e9;border-radius:12px;padding:20px}.insight-card h4{color:#0c4a6e;font-weight:600;margin-bottom:12px}.insight-card p{color:#164e63}.student-actions{display:flex;gap:15px;justify-content:center;margin-top:30px}.results-controls{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff;border:1px solid #ffffff2e;border-radius:16px;box-shadow:0 8px 32px #1f26875e;justify-content:space-between;margin-bottom:20px;padding:20px}.filters,.results-controls{display:flex;flex-wrap:wrap;gap:20px}.filter-group{display:flex;flex-direction:column;gap:5px}.filter-group label{color:#374151;font-size:.9rem;font-weight:500}.filter-select{background:#fff;border:1px solid #d1d5db;border-radius:8px;color:#374151;font-size:.9rem;min-width:150px;padding:8px 12px}.filter-select:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a;outline:none}.results-summary{color:#6b7280;font-weight:500}.submissions-section{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff;border:1px solid #ffffff2e;border-radius:16px;box-shadow:0 8px 32px #1f26875e;padding:20px}.submissions-table-container{overflow-x:auto}.submissions-table{border-collapse:collapse;margin-top:10px;width:100%}.submissions-table th{background:#f8fafc;border-bottom:2px solid #e5e7eb;color:#374151;font-size:.9rem;font-weight:600;padding:15px 12px;text-align:left}.submissions-table td{border-bottom:1px solid #f1f5f9;padding:15px 12px;vertical-align:middle}.submissions-table tr:hover{background:#f8fafc}.flagged-row{background:linear-gradient(135deg,#fef3c7,#fde68a)}.flagged-row:hover{background:linear-gradient(135deg,#fde68a,#fbbf24)}.student-info strong{margin-bottom:2px}.score-percentage{font-size:1.2rem}.status-badge{display:inline-block;min-width:80px}.status-badge.passed{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid #10b981;color:#065f46}.status-badge.failed{background:linear-gradient(135deg,#fee2e2,#fecaca);border:1px solid #ef4444;color:#7f1d1d}.risk-score{border-radius:10px;padding:8px 12px;text-align:center}.risk-value{display:block;font-size:1.1rem;font-weight:700;margin-bottom:2px}.risk-level{font-size:.7rem;font-weight:500;text-transform:uppercase}.behaviors-list{display:flex;flex-wrap:wrap;gap:4px}.behavior-more{font-size:.8rem}.no-behaviors{color:#10b981;font-size:.9rem;font-weight:500}.submission-time{text-align:center}.submission-time span{color:#1f2937;display:block;font-weight:500;margin-bottom:2px}.submission-type{color:#6b7280;font-size:.8rem}.btn{border-radius:10px;font-weight:500}.btn:hover{box-shadow:0 4px 12px #00000026}.btn-primary{background:linear-gradient(135deg,#2563eb,#1d4ed8)}.btn-outline{border:2px solid #2563eb;color:#2563eb}.btn-outline:hover{background:#2563eb}.btn-large{font-size:1.1rem;font-weight:600;padding:15px 30px}.empty-state{padding:60px 20px}.empty-icon{opacity:.5}.empty-state h3{margin-bottom:10px}.empty-state p{margin-bottom:20px}@media (max-width:768px){.exam-results-container{padding:15px}.header-content{flex-direction:column;gap:15px}.results-controls{align-items:stretch;flex-direction:column}.filters{flex-direction:column;gap:15px}.student-performance-grid{grid-template-columns:1fr}.statistics-grid{grid-template-columns:repeat(2,1fr)}.performance-card{flex-direction:column;gap:15px;text-align:center}.insights-grid{grid-template-columns:1fr}.instructor-actions,.student-actions{flex-direction:column}.instructor-actions{gap:10px}.submissions-table{font-size:.8rem}.submissions-table td,.submissions-table th{padding:10px 8px}.action-buttons{flex-direction:column;gap:5px}}@media (max-width:480px){.statistics-grid{grid-template-columns:1fr}.stat-card{flex-direction:column;gap:10px;text-align:center}.performance-card{padding:20px}.performance-icon{font-size:2rem;padding:12px}.performance-content h3{font-size:1.5rem}}.student-view .exam-results-container{background:linear-gradient(135deg,#f0f9ff,#e0f2fe)}.instructor-view .exam-results-container{background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.exam-results-container>*{animation:fadeIn .6s ease-out}.landing-page{background:#f9fafb;color:#222;font-family:Poppins,sans-serif;overflow-x:hidden}.hero-section{align-items:center;background:linear-gradient(135deg,#0d47a1,#1976d2);color:#fff;display:flex;flex-wrap:wrap;justify-content:space-between;padding:6rem 10%}.hero-content{max-width:50%}.hero-title{font-size:3rem;font-weight:700;margin-bottom:1rem}.hero-title span{color:#ffeb3b}.hero-subtitle{font-size:1.2rem;line-height:1.6;margin-bottom:2rem}.hero-buttons .btn{border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;margin-right:1rem;padding:.8rem 1.8rem;transition:.3s ease}.btn.primary{background:#ffeb3b;color:#0d47a1}.btn.secondary{background:#fff;color:#0d47a1}.btn:hover{opacity:.95;transform:scale(1.05)}.hero-image img{border-radius:12px;box-shadow:0 8px 16px #0003;height:auto;max-width:400px;width:100%}.about-section{background:#f9fafb;padding:4rem 10%;text-align:center}.about-section h2{color:#0d47a1;font-size:2rem;margin-bottom:1rem}.about-section p{color:#555;font-size:1rem;margin:0 auto 3rem;max-width:700px}.features{display:flex;flex-wrap:wrap;gap:2rem;justify-content:center}.feature-card{background:#f1f5f9;border-radius:12px;box-shadow:0 4px 8px #0000000d;max-width:300px;padding:2rem;text-align:center;transition:transform .3s ease,box-shadow .3s ease}.feature-card:hover{box-shadow:0 8px 16px #0000001a;transform:translateY(-5px)}.feature-card img{margin-bottom:1rem;width:60px}.feature-card h3{color:#0d47a1;margin-bottom:.5rem}.cta-section{background:#1976d2;color:#fff;padding:4rem 2rem;text-align:center}.cta-section h2{font-size:2rem;margin-bottom:1rem}.cta-buttons{margin-top:2rem}.cta-buttons .btn{margin:.5rem}.landing-footer{background:#0d47a1;color:#000;font-size:.9rem;padding:1rem;text-align:center}@media (max-width:768px){.hero-section{flex-direction:column;padding:4rem 2rem;text-align:center}.hero-content{margin-bottom:2rem;max-width:100%}.hero-image img{max-width:300px;width:80%}.hero-title{font-size:2.2rem}.features{align-items:center;flex-direction:column}}.modal-overlay{align-items:center;animation:modalFadeIn .2s ease-out;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;bottom:0;display:flex;justify-content:center;left:0;padding:1rem;position:fixed;right:0;top:0;z-index:1000}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}.modal-content{animation:modalSlideIn .3s ease-out;background:#fff;border-radius:16px;box-shadow:0 20px 60px #00000026;max-width:500px;min-width:320px;position:relative;width:100%}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{align-items:flex-start;display:flex;gap:1rem;padding:2rem 2rem 1.5rem}.status-icon{align-items:center;border-radius:50%;display:flex;flex-shrink:0;font-size:1.5rem;font-weight:700;height:48px;justify-content:center;width:48px}.status-icon.success{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.status-icon.error{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.status-icon.warning{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.status-icon.info{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}.modal-text{flex:1 1;padding-top:.25rem}.modal-title{color:#111827;font-size:1.25rem;font-weight:700;line-height:1.4;margin:0 0 .5rem}.modal-message{color:#4b5563;font-size:.95rem;line-height:1.5;margin:0}.modal-close{align-items:center;background:none;border-radius:8px;cursor:pointer;display:flex;justify-content:center;margin-right:-.5rem;margin-top:-.5rem;padding:.5rem;transition:all .2s ease}.modal-close:focus,.modal-close:hover{background:#f3f4f6;color:#374151}.modal-close:focus{outline:none}.modal-actions{gap:.75rem;justify-content:flex-end;padding:0 2rem 2rem}.modal-progress{background:#f3f4f6;border-radius:0 0 16px 16px;bottom:0;height:3px;left:0;overflow:hidden;position:absolute;right:0}.progress-bar{animation:progressShrink linear;background:linear-gradient(90deg,#3b82f6,#1d4ed8);height:100%;transform-origin:left}@keyframes progressShrink{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.modal-content.success{border-top:4px solid #10b981}.modal-content.error{border-top:4px solid #ef4444}.modal-content.warning{border-top:4px solid #f59e0b}.modal-content.info{border-top:4px solid #3b82f6}@media (max-width:480px){.modal-overlay{padding:.5rem}.modal-header{padding:1.5rem 1.5rem 1rem}.modal-actions{padding:0 1.5rem 1.5rem}.modal-title{font-size:1.125rem}.modal-message{font-size:.9rem}.status-icon{height:40px;width:40px}}@media (prefers-reduced-motion:reduce){.modal-content,.modal-overlay,.progress-bar{animation:none}}.auth-page{align-items:center;background:#f8fafc;display:flex;justify-content:center;min-height:100vh;padding:1rem;position:relative}.auth-background{height:100%;left:0;position:fixed;top:0;width:100%;z-index:-1}.gradient-overlay{background:linear-gradient(135deg,#f1f5f9,#e2e8f0);height:100%;width:100%}.auth-container{background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 10px 25px -5px #0000001a,0 4px 6px -2px #0000000d;display:flex;max-width:1000px;min-height:580px;overflow:hidden;width:100%}.auth-branding{align-items:center;background:linear-gradient(135deg,#3b82f6,#1e40af);color:#fff;display:flex;flex:1 1;justify-content:center;padding:2.5rem 2rem}.brand-content{max-width:350px;text-align:center}.brand-logo{align-items:center;display:flex;gap:.75rem;justify-content:center;margin-bottom:1.5rem}.logo-icon{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff26;color:#fff;font-size:1.5rem;font-weight:700;height:48px;width:48px}.logo-icon,.logo-icon img{align-items:center;border-radius:5px;display:flex;justify-content:center}.logo-icon img{background:linear-gradient(135deg,#3b82f6,#565b6d);height:40px;width:40px}.brand-title{color:#fff;font-size:1.75rem;font-weight:700;margin:0}.brand-subtitle{color:#fffffff2;font-size:1.125rem;font-weight:600;margin:0 0 1rem}.brand-description{color:#ffffffd9;font-size:.9375rem;line-height:1.6;margin-bottom:1.5rem}.features-list{display:flex;flex-direction:column;gap:.625rem;text-align:left}.feature-item{align-items:center;color:#ffffffe6;display:flex;font-size:.8125rem;gap:.625rem}.feature-item:before{background:#ffffff40;border-radius:50%;content:"✓";flex-shrink:0;font-size:11px;font-weight:600;height:18px;width:18px}.auth-form-container,.feature-item:before{align-items:center;display:flex;justify-content:center}.auth-form-container{background:#fff;flex:1 1;padding:2.5rem 2rem}.auth-card{max-width:380px;width:100%}.card-header{margin-bottom:1.75rem;text-align:center}.card-title{color:#111827;font-size:1.75rem;font-weight:700;margin:0 0 .375rem}.card-subtitle{color:#6b7280;font-size:.875rem;margin:0}.auth-form{gap:1.25rem}.auth-form,.form-group{display:flex;flex-direction:column}.form-group{gap:.5rem}.form-label{color:#fff;font-size:.875rem;font-weight:600;margin-bottom:.25rem}.input-wrapper{position:relative}.form-input{background:#fff;border:1.5px solid #d1d5db;border-radius:8px;box-sizing:border-box;color:#111827;font-size:.875rem;padding:.75rem 1rem;transition:all .2s ease;width:100%}.form-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;outline:none}.form-input::placeholder{color:#9ca3af}.password-toggle{color:#6b7280;font-size:.75rem;font-weight:500;right:.75rem;top:50%;transform:translateY(-50%)}.password-toggle:hover{color:#374151}.role-selection{margin-top:.375rem}.role-options{grid-gap:.625rem;display:grid;gap:.625rem;grid-template-columns:1fr 1fr}.role-option{background:#f9fafb;border:2px solid #e5e7eb;border-radius:8px;cursor:pointer;display:block;padding:.875rem;position:relative;transition:all .2s ease}.role-option:hover{background:#f0f9ff;border-color:#3b82f6}.role-option.active{background:#eff6ff;border-color:#3b82f6}.role-option input[type=radio]{height:0;opacity:0;position:absolute;width:0}.role-content{display:flex;flex-direction:column;text-align:center}.role-title{color:#374151}.role-title,.submit-btn{font-size:.875rem;font-weight:600}.submit-btn{background:#3b82f6;border:none;gap:.5rem;justify-content:center;margin-top:.5rem;min-height:46px;padding:.8125rem 1rem;width:100%}.submit-btn:hover:not(:disabled){background:#2563eb;box-shadow:0 4px 6px -1px #3b82f640;transform:translateY(-1px)}.submit-btn:disabled{background:#9ca3af;cursor:not-allowed;transform:none}.loading-spinner{border:2px solid #ffffff4d;border-top-color:#fff;height:16px;width:16px}.password-strength{font-size:.75rem;font-weight:500;margin-top:.25rem}.password-strength.weak{color:#ef4444}.password-strength.medium{color:#f59e0b}.password-strength.strong{color:#10b981}.error-message{align-items:center;display:flex;gap:.5rem;margin-bottom:.5rem;padding:.75rem 1rem}.card-footer{margin-top:1.5rem;text-align:center}.footer-text{color:#6b7280;font-size:.875rem;margin:0}.footer-link{color:#3b82f6;font-weight:600;text-decoration:none}.footer-link:hover{color:#2563eb;text-decoration:underline}@media (max-width:900px){.auth-container{flex-direction:column;max-width:500px;min-height:auto}.auth-branding{flex:none}.auth-branding,.auth-form-container{padding:2rem 1.5rem}.role-options{gap:.5rem;grid-template-columns:1fr}}@media (max-width:640px){.auth-page{padding:.5rem}.auth-container{border-radius:8px}.brand-title,.card-title{font-size:1.5rem}.auth-branding,.auth-form-container{padding:1.5rem 1rem}.features-list{gap:.5rem}.feature-item{font-size:.75rem}}@media (max-height:700px){.auth-container{min-height:auto}.brand-description{display:none}.features-list{gap:.375rem}.card-header{margin-bottom:1.25rem}}.footer-link:focus-visible,.form-input:focus-visible,.password-toggle:focus-visible,.role-option:focus-visible,.submit-btn:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.role-option.active:after{background:#3b82f6;border-radius:50%;content:"";height:8px;position:absolute;right:.5rem;top:.5rem;width:8px}.submit-btn.loading{pointer-events:none}.form-group:last-of-type{margin-bottom:.5rem}.role-title{color:#1f2937}.role-option.active .role-title{color:#1e40af;font-weight:700}.camera-section{align-items:center;animation:fadeIn .4s ease-in-out;background:#fff;border:1.5px solid #e2e8f0;border-radius:12px;box-shadow:0 10px 25px -5px #0000001a;display:flex;flex-direction:column;justify-content:center;padding:2rem 1.5rem}.webcam-view{aspect-ratio:4/3;background:#f9fafb;border:2px solid #3b82f6;border-radius:10px;box-shadow:0 0 0 3px #3b82f61a;margin-bottom:1.25rem;max-width:360px;object-fit:cover;width:100%}.cancel-btn,.capture-btn,.retake-btn{border:none;border-radius:8px;cursor:pointer;font-size:.875rem;font-weight:600;margin-top:.5rem;max-width:200px;padding:.75rem 1.25rem;transition:all .2s ease;width:100%}.capture-btn{background:#3b82f6;color:#fff}.capture-btn:hover{background:#2563eb;box-shadow:0 4px 6px -1px #3b82f640;transform:translateY(-1px)}.cancel-btn{background:#f3f4f6;color:#374151}.cancel-btn:hover{background:#e5e7eb}.retake-btn{background:#1353c9;color:#fff}.retake-btn:hover{background:#d97706}.captured-preview{aspect-ratio:4/3;border:2px solid #3b82f6;border-radius:10px;box-shadow:0 0 0 3px #3b82f61a;margin-bottom:1rem;max-width:320px;object-fit:cover;width:100%}@media (max-width:640px){.camera-section{padding:1.25rem}.cancel-btn,.capture-btn,.captured-preview,.retake-btn,.webcam-view{max-width:100%}}.form-group .retake-btn{display:block;margin:0 110px 0 auto;max-width:200px;text-align:center;width:100%}div{border-radius:6px}.risk-display.low-risk{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid #10b981;color:#065f46}.risk-display.medium-risk{background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #f59e0b;color:#92400e}.risk-display.high-risk{background:linear-gradient(135deg,#fee2e2,#fecaca);border:1px solid #ef4444;color:#7f1d1d}.dashboard-container{padding:0}.dashboard-container,.dashboard-loading{background:linear-gradient(135deg,#f8fafc,#e2e8f0);min-height:100vh}.dashboard-loading{align-items:center;display:flex;flex-direction:column;justify-content:center;text-align:center}.loading-spinner{margin-bottom:24px}.dashboard-loading h2{color:#1e293b;font-size:1.5rem;font-weight:600;margin-bottom:8px}.dashboard-loading p{color:#64748b;font-size:1rem}.dashboard-header{background:#fff;border-bottom:1px solid #e2e8f0;box-shadow:0 1px 3px 0 #0000001a}.header-content{justify-content:space-between;margin:0 auto;max-width:1400px;padding:2rem}.user-welcome h1{color:#1e293b;font-size:2.25rem;font-weight:700;line-height:1.2;margin-bottom:.5rem}.user-subtitle{color:#64748b;font-size:1.125rem;font-weight:400;margin:0}.header-badge{align-items:flex-end;display:flex;flex-direction:column;gap:.75rem}.role-indicator{border-radius:12px;font-size:.875rem;font-weight:600;letter-spacing:.05em;padding:.75rem 1.5rem;text-transform:uppercase}.role-indicator.instructor{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff}.role-indicator.student{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.status-indicator{color:#64748b;font-weight:500}.status-dot{background:#64748b}.status-dot.active{animation:pulse 2s infinite;background:#10b981}.error-banner{align-items:center;background:linear-gradient(135deg,#fee2e2,#fecaca);border:1px solid #f87171;border-radius:8px;color:#7f1d1d;display:flex;font-weight:500;gap:1rem;margin:0 2rem;padding:1rem 2rem}.error-icon{font-size:1.25rem}.retry-btn{background:#dc2626;border:none;border-radius:6px;color:#fff;cursor:pointer;font-weight:500;padding:.5rem 1rem;transition:background-color .2s}.retry-btn:hover{background:#b91c1c}.instructor-dashboard,.student-dashboard{margin:0 auto;max-width:1400px;padding:2rem}.section-header{align-items:center;margin-bottom:1.5rem}.section-header h2{font-weight:600;margin:0}.section-header p{margin:.25rem 0 0}.quick-actions-section{margin-bottom:3rem}.actions-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.action-card{align-items:center;background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 1px 3px 0 #0000001a;cursor:pointer;display:flex;gap:1rem;padding:1.5rem;transition:all .3s ease}.action-card:hover{border-color:#cbd5e1;box-shadow:0 10px 25px -5px #0000001a,0 10px 10px -5px #0000000a;transform:translateY(-2px)}.action-card.primary{background:linear-gradient(135deg,#3b82f6,#1d4ed8);border:none;color:#fff}.action-card.primary:hover{box-shadow:0 10px 25px -5px #3b82f640,0 10px 10px -5px #3b82f61a}.action-card.secondary{background:linear-gradient(135deg,#64748b,#475569);border:none;color:#fff}.action-card.warning{background:linear-gradient(135deg,#f59e0b,#d97706);border:none;color:#fff}.action-card.info{background:linear-gradient(135deg,#06b6d4,#0891b2);border:none;color:#fff}.action-icon{align-items:center;background:#fff3;border-radius:12px;display:flex;height:48px;justify-content:center;position:relative;width:48px}.action-icon.create:before{content:"📝";font-size:24px}.action-icon.manage:before{content:"📚";font-size:24px}.action-icon.review:before{content:"🔍";font-size:24px}.action-icon.analytics:before{content:"📊";font-size:24px}.action-icon.exam:before{content:"✏️";font-size:24px}.action-icon.results:before{content:"📈";font-size:24px}.action-icon.system:before{content:"⚙️";font-size:24px}.action-content{flex:1 1}.action-content h3{color:inherit;font-size:1.125rem;font-weight:600;margin:0 0 .25rem}.action-content p{color:inherit;font-size:.875rem;line-height:1.4;margin:0;opacity:.8}.action-arrow{font-size:1.25rem;opacity:.6;transition:transform .2s ease}.action-card:hover .action-arrow{transform:translateX(4px)}.stats-section .section-header{margin-bottom:2rem}.stats-section .section-header h2{font-size:1.75rem;margin-bottom:.5rem}.stats-section .section-header p{color:#64748b;font-size:1rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.stats-grid.student-stats{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-top:1rem}.stat-card{background:#fff;border:1px solid #e2e8f0;box-shadow:0 1px 3px 0 #0000001a;flex-direction:column;justify-content:space-between;min-height:140px;overflow:hidden;padding:1.75rem 1.5rem;position:relative}.stat-card:hover{box-shadow:0 4px 12px 0 #0000001a;transform:translateY(-1px)}.stat-card.actionable{cursor:pointer;min-height:150px}.stat-card.actionable:hover{border-color:#3b82f6}.stat-header{align-items:flex-start;display:flex;justify-content:space-between;margin-bottom:1.25rem;min-height:40px}.stat-icon{align-items:center;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);display:flex;flex-shrink:0;height:44px;justify-content:center;width:44px}.stat-icon.exams:before{content:"📚";font-size:20px}.stat-icon.students:before{content:"👥";font-size:20px}.stat-icon.sessions:before{content:"🔴";font-size:20px}.stat-icon.reviews:before{content:"⚠️";font-size:20px}.stat-icon.submissions:before{content:"📄";font-size:20px}.stat-icon.risk:before{content:"🛡️";font-size:20px}.stat-icon.available:before{content:"📝";font-size:20px}.stat-icon.completed:before{content:"✅";font-size:20px}.stat-icon.upcoming:before{content:"📅";font-size:20px}.stat-icon.score:before{content:"🎯";font-size:20px}.stat-icon.attempts:before{content:"🔄";font-size:20px}.stat-icon.integrity:before{content:"🔒";font-size:20px}.trend-indicator{border-radius:20px;font-size:.75rem;font-weight:600;letter-spacing:.05em;padding:.25rem .75rem;text-transform:uppercase}.trend-indicator.live{animation:pulse 2s infinite;background:linear-gradient(135deg,#dc2626,#b91c1c);color:#fff}.trend-indicator.positive{background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#065f46}.trend-indicator.alert{background:linear-gradient(135deg,#fee2e2,#fecaca);color:#7f1d1d}.trend-indicator.good{background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#065f46}.trend-indicator.warning{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e}.trend-indicator.danger{background:linear-gradient(135deg,#fee2e2,#fecaca);color:#7f1d1d}.trend-badge{border-radius:14px;flex-shrink:0;font-size:.8125rem;font-weight:600;letter-spacing:.025em;padding:.375rem .75rem;text-transform:uppercase;white-space:nowrap}.trend-badge.excellent{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid #10b981;color:#065f46}.trend-badge.good{background:linear-gradient(135deg,#dbeafe,#bfdbfe);border:1px solid #3b82f6;color:#1e40af}.trend-badge.needs-attention,.trend-badge.needs-improvement{background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #f59e0b;color:#92400e}.stat-content{display:flex;flex-direction:column;flex-grow:1;justify-content:center;text-align:left}.stat-value{font-size:2.25rem;line-height:1}.stat-title,.stat-value{margin-bottom:.375rem;word-break:break-word}.stat-title{color:#1e293b;font-size:1rem;font-weight:700;line-height:1.2}.stat-description{color:#64748b;font-size:.8125rem;line-height:1.3;margin:0;word-break:break-word}.stat-action{color:#cbd5e1;font-size:1.375rem;position:absolute;right:1.25rem;top:1.25rem;transition:all .2s ease;z-index:1}.stat-card.actionable:hover .stat-action{color:#3b82f6;transform:translateX(3px)}.refresh-btn{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;color:#64748b;cursor:pointer;font-size:.875rem;font-weight:500;padding:.5rem 1rem;transition:all .2s ease}.refresh-btn:hover{background:#f1f5f9;border-color:#cbd5e1;color:#475569}.activity-section{margin-bottom:3rem}.last-updated{color:#64748b;font-size:.875rem}.activity-feed{background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 1px 3px 0 #0000001a;overflow:hidden}.activity-item{align-items:center;border-bottom:1px solid #f1f5f9;display:flex;padding:1rem 1.5rem;transition:background-color .2s ease}.activity-item:last-child{border-bottom:none}.activity-item:hover{background:#515b8b;color:#282b49}.activity-indicator{border-radius:50%;flex-shrink:0;height:12px;margin-right:1rem;width:12px}.activity-indicator.exam{background:#3b82f6}.activity-indicator.submission{background:#10b981}.activity-indicator.alert{background:#f59e0b}.activity-indicator.review{background:#ef4444}.activity-content{flex:1 1}.activity-message{color:#1e293b;font-size:.875rem;font-weight:500;margin-bottom:.25rem}.activity-time{color:#64748b;font-size:.75rem}.activity-action{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;color:#475569;cursor:pointer;font-size:.75rem;font-weight:500;padding:.5rem 1rem;transition:all .2s ease}.activity-action:hover{background:#e2e8f0;border-color:#cbd5e1}.activity-score{background:#f1f5f9;border-radius:12px;color:#1e293b;font-size:.875rem;font-weight:600;padding:.25rem .75rem}.no-activity{color:#64748b;padding:3rem 1.5rem;text-align:center}.no-activity-icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.no-activity p{font-size:1rem;margin-bottom:1rem}.start-exam-btn{background:linear-gradient(135deg,#3b82f6,#1d4ed8);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:500;padding:.75rem 1.5rem;transition:all .3s ease}.start-exam-btn:hover{box-shadow:0 10px 25px -5px #3b82f640;transform:translateY(-2px)}.view-all-link{color:#3b82f6;font-size:.875rem;font-weight:500;text-decoration:none;transition:color .2s ease}.view-all-link:hover{color:#1d4ed8}.insights-section{margin-bottom:2rem}.insights-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(350px,1fr))}.insight-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 1px 3px 0 #0000001a;padding:2rem;transition:all .3s ease}.insight-card:hover{box-shadow:0 4px 12px 0 #0000001a;transform:translateY(-2px)}.insight-card h3{color:#1e293b;font-size:1.125rem;font-weight:600;margin-bottom:.75rem}.insight-card p{color:#64748b;line-height:1.6;margin-bottom:1.5rem}.insight-metrics{display:flex;gap:2rem}.metric{text-align:center}.metric-value{color:#1e293b;display:block;font-size:1.25rem;font-weight:700;margin-bottom:.25rem}.metric-label{color:#64748b;font-size:.75rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase}.proctoring-info-section{margin-bottom:2rem}.info-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.info-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 1px 3px 0 #0000001a;padding:1.5rem;text-align:center;transition:all .3s ease}.info-card:hover{box-shadow:0 4px 12px 0 #0000001a;transform:translateY(-2px)}.info-icon{align-items:center;border-radius:50%;display:flex;font-size:1.5rem;height:60px;justify-content:center;margin:0 auto 1rem;width:60px}.info-icon.security{background:linear-gradient(135deg,#dbeafe,#bfdbfe)}.info-icon.security:before{content:"🔒"}.info-icon.monitoring{background:linear-gradient(135deg,#d1fae5,#a7f3d0)}.info-icon.monitoring:before{content:"👁️"}.info-icon.privacy{background:linear-gradient(135deg,#fef3c7,#fde68a)}.info-icon.privacy:before{content:"🛡️"}.info-icon.support{background:linear-gradient(135deg,#e0e7ff,#c7d2fe)}.info-icon.support:before{content:"💬"}.info-card h3{color:#1e293b;font-size:1.125rem;font-weight:600;margin-bottom:.75rem}.info-card p{color:#64748b;font-size:.875rem;line-height:1.6}@media (max-width:1024px){.header-content{flex-direction:column;gap:1.5rem;text-align:center}.header-badge{align-items:center;flex-direction:row;gap:1rem}.actions-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.insights-grid{grid-template-columns:1fr}}@media (max-width:768px){.instructor-dashboard,.student-dashboard{padding:1rem}.header-content{padding:1.5rem}.user-welcome h1{font-size:1.75rem}.user-subtitle{font-size:1rem}.actions-grid{grid-template-columns:1fr}.action-card{padding:1.25rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-card{padding:1.25rem}.stat-value{font-size:1.5rem}.insight-metrics{flex-direction:column;gap:1rem}.info-grid{grid-template-columns:1fr}}@media (max-width:480px){.stats-grid{grid-template-columns:1fr}.action-card{flex-direction:column;gap:.75rem;text-align:center}.action-arrow{display:none}.stat-card{padding:1rem}.activity-item{padding:.75rem 1rem}.activity-content{min-width:0}.activity-message{font-size:.8rem}}@media (max-width:1400px){.stats-grid.student-stats{gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.stat-card{min-height:130px;padding:1.5rem 1.25rem}}@media (max-width:1200px){.stats-grid.student-stats{gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.stat-value{font-size:2rem}.stat-title{font-size:.9375rem}.stat-description{font-size:.8125rem}}@media (max-width:1024px){.stats-grid.student-stats{gap:1rem;grid-template-columns:repeat(3,1fr)}.stat-card{min-height:120px;padding:1.25rem 1rem}.stat-value{font-size:1.875rem}.stat-icon{height:40px;width:40px}.trend-badge{font-size:.75rem;padding:.25rem .5rem}}@media (max-width:768px){.stats-grid.student-stats{gap:1rem;grid-template-columns:repeat(2,1fr)}.stat-card{min-height:110px;padding:1.25rem 1rem}.stat-value{font-size:1.75rem}.stat-title{font-size:.875rem;margin-bottom:.25rem}.stat-description{font-size:.75rem}.stat-header{margin-bottom:1rem;min-height:36px}.stat-icon{height:36px;width:36px}.trend-badge{font-size:.6875rem;padding:.1875rem .375rem}}@media (max-width:640px){.stats-grid.student-stats{gap:.875rem;grid-template-columns:repeat(2,1fr)}.stat-card{min-height:100px;padding:1rem .875rem}.stat-value{font-size:1.625rem}.stat-title{font-size:.8125rem}.stat-description{font-size:.6875rem;line-height:1.2}}@media (max-width:480px){.stats-grid.student-stats{gap:1rem;grid-template-columns:1fr}.stat-card{max-width:100%;min-height:auto;padding:1.5rem 1.25rem}.stat-value{font-size:2rem}.stat-title{font-size:1rem}.stat-description{font-size:.875rem}.stat-header{margin-bottom:1.25rem}.stat-icon{height:40px;width:40px}.trend-badge{font-size:.75rem;padding:.25rem .5rem}}.stat-card:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.stat-card.actionable:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.stat-card.loading{animation:shimmer 2s infinite;background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%);background-size:200% 100%}.exam-list-container{margin:0 auto;max-width:1200px;padding:20px}.exam-list-header{margin-bottom:30px;text-align:center}.exam-list-header h1{color:#2c3e50;margin-bottom:10px}.ai-proctoring-description{color:#666;font-size:16px;margin-bottom:20px}.header-actions{display:flex;gap:15px;justify-content:center;margin-top:20px}.exam-grid{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));margin-top:30px}.exam-card:hover{box-shadow:0 8px 15px #00000026;transform:translateY(-2px)}.exam-card-header{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;justify-content:space-between;padding:20px}.exam-title{font-size:20px;font-weight:600}.exam-status{align-items:center;display:flex}.status-badge{font-size:12px;padding:4px 12px;text-transform:uppercase}.status-badge.completed{background:#27ae6033;border:1px solid #27ae60;color:#27ae60}.status-badge.active{background:#2ecc7133;border:1px solid #2ecc71;color:#2ecc71}.status-badge.inactive{background:#e74c3c33;border:1px solid #e74c3c;color:#e74c3c}.exam-description{line-height:1.5}.exam-details{margin-bottom:20px}.detail-row{display:flex;font-size:14px;justify-content:space-between;margin-bottom:8px}.detail-label{color:#666;font-weight:500}.detail-value{color:#2c3e50;font-weight:600}.ai-features{background:#f8f9fa;border-radius:8px;margin-bottom:20px;padding:15px}.ai-features h4{color:#2c3e50;font-size:14px;margin:0 0 10px}.feature-tags{display:flex;flex-wrap:wrap;gap:8px}.feature-tag{background:#e3f2fd;border-radius:4px;color:#1976d2;font-size:12px;font-weight:500;padding:4px 8px}.submission-summary{background:#f1f8e9;border-left:4px solid #4caf50;border-radius:8px;margin-bottom:20px;padding:15px}.submission-summary h4{color:#2c3e50;font-size:14px;margin:0 0 10px}.result-details{display:flex;flex-wrap:wrap;font-size:12px;gap:10px}.result-details span{background:#fff;border:1px solid #ddd;border-radius:4px;padding:4px 8px}.result-details .passed{background:#e8f5e8;border-color:#4caf50;color:#2e7d32}.result-details .failed{background:#ffebee;border-color:#f44336;color:#c62828}.result-details .risk-score{background:#fff3e0;border-color:#ff9800;color:#ef6c00}.result-details .flagged{background:#ffeaa7;border-color:#e17055;color:#d63031}.empty-state,.loading-state{padding:60px 20px;text-align:center}.loading-spinner{border:4px solid #f3f3f3;height:40px;margin:0 auto 20px;width:40px}.empty-icon{font-size:48px}.alert{margin-bottom:20px;padding:15px}@media (max-width:768px){.exam-grid{grid-template-columns:1fr}.exam-card-header{gap:10px;text-align:center}.exam-card-header,.header-actions,.instructor-actions{flex-direction:column}.header-actions{align-items:center}}.exam-card-actions{background:#fafafa;border-top:1px solid #eee;display:flex;flex-direction:column;gap:10px;padding:20px}.btn{flex:1 1;font-size:14px;min-height:44px;padding:12px 20px;transition:all .2s}.btn-large{font-size:16px;min-height:52px;padding:16px 24px}.btn-primary{box-shadow:0 2px 4px #667eea4d}.btn-primary:hover{box-shadow:0 4px 8px #667eea66;transform:translateY(-1px)}.btn-secondary:hover{background:#5a6268;transform:translateY(-1px)}.btn-disabled{background:#e9ecef;color:#6c757d}.exam-card{background:#fff;border:1px solid #e1e8ed;border-radius:12px;box-shadow:0 4px 6px #0000001a;display:flex;flex-direction:column;overflow:hidden;transition:transform .2s,box-shadow .2s}.exam-card-body{flex:1 1;padding:20px}.instructor-actions{display:flex;flex-wrap:wrap;gap:10px}.instructor-actions .btn{flex:1 1;min-width:120px}@media (max-width:768px){.instructor-actions{flex-direction:column}.instructor-actions .btn{flex:none;width:100%}}.exam-taking-container{background:#f1f5f9;color:#1e293b;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;min-height:100vh;overflow-x:hidden;position:relative}.exam-taking-container.exam-active{background:#fff;padding:0}.error-state,.loading-state{background:#fefefe;min-height:80vh;padding:2rem}.loading-spinner{margin-bottom:2rem}.loading-spinner.small{border-width:2px;height:20px;margin:0 .5rem 0 0;width:20px}.error-state h2,.loading-state h2{color:#0f172a;font-size:1.75rem;font-weight:600}.error-state p{color:#475569;line-height:1.6;max-width:500px}.warnings-container{left:0;pointer-events:none;position:fixed;right:0;top:0;z-index:9999}.warning-alert{animation:slideDownAlert .3s ease-out;background:linear-gradient(135deg,#dc2626,#b91c1c);border-bottom:3px solid #991b1b;box-shadow:0 4px 12px #dc262666;color:#fff;font-size:1rem;font-weight:600;padding:1rem 2rem;text-align:center}@keyframes slideDownAlert{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}.pre-exam-container{align-items:center;background:#f8fafc;display:flex;justify-content:center;min-height:100vh;padding:2rem}.exam-info-card{background:#fff;border-left:6px solid #3b82f6;border-radius:16px;box-shadow:0 8px 32px #00000014;max-width:800px;padding:3rem;width:100%}.exam-info-card h1{color:#fff;font-size:2.5rem;font-weight:700;margin-bottom:1rem;text-align:center}.exam-description{color:#fff;font-size:1.125rem;line-height:1.6;margin-bottom:2rem;text-align:center}.exam-details{grid-gap:1.5rem;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:2rem;padding:2rem}.detail-item{align-items:center;display:flex;justify-content:space-between;padding:.75rem 0}.detail-item .label{color:#334155;font-weight:600}.detail-item .value{color:#1d4ed8;font-size:1.125rem;font-weight:700}.proctoring-notice{background:linear-gradient(135deg,#eff6ff,#f0f9ff);border-radius:12px;margin-bottom:2rem;padding:2rem}.proctoring-notice h3{align-items:center;color:#1e40af;display:flex;font-size:1.5rem;font-weight:700;gap:.5rem;margin-bottom:1rem}.proctoring-notice h3:before{content:"🤖";font-size:1.75rem}.proctoring-notice p{font-weight:500;margin-bottom:1rem}.proctoring-notice ul{list-style:none;margin:0;padding:0}.proctoring-notice li{align-items:center;color:#1e293b;display:flex;font-weight:500;gap:.75rem;padding:.5rem 0}.proctoring-notice li:before{align-items:center;background:#16a34a;border-radius:50%;color:#fff;content:"✓";display:flex;flex-shrink:0;font-size:.75rem;font-weight:700;height:20px;justify-content:center;width:20px}.webcam-preview{margin-bottom:2rem}.start-exam-actions{align-items:center;display:flex;gap:1rem;justify-content:center}.exam-header-left h1{color:#0f172a;font-size:1.5rem;font-weight:700;margin:0 0 .25rem}.exam-progress{color:#475569;font-size:.875rem;font-weight:500}.ai-monitoring-indicator{align-items:center;background:linear-gradient(135deg,#16a34a,#059669);border-radius:20px;box-shadow:0 2px 8px #16a34a40;color:#fff;display:flex;font-size:.875rem;font-weight:600;gap:.5rem;padding:.5rem 1rem}.monitoring-dot{animation:pulse 2s infinite;background:#fff;border-radius:50%;height:8px;width:8px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.time-remaining{text-align:right}.time-label,.time-value{display:block}.time-remaining.time-caution .time-value{color:#d97706}.time-remaining.time-warning .time-value{animation:timeWarning 1s infinite alternate;color:#dc2626}@keyframes timeWarning{0%{opacity:1}to{opacity:.6}}.exam-content{display:flex;min-height:calc(100vh - 100px)}.exam-main{display:flex;flex:1 1;flex-direction:column}.exam-sidebar{background:#fff;border-left:1px solid #e9ecef;padding:1rem;width:300px}.navigation-panel{background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 1px 3px #0000000a;margin:1rem;padding:1.5rem}.navigation-header h4{color:#0f172a;font-size:1.125rem;font-weight:700;margin-bottom:.5rem}.progress-summary{color:#475569;font-size:.875rem;font-weight:500}.question-grid{grid-gap:.75rem;display:grid;gap:.75rem;grid-template-columns:repeat(5,1fr);margin-bottom:2rem}.question-nav-btn{align-items:center;background:#fff;border:2px solid #e2e8f0;border-radius:8px;color:#334155;cursor:pointer;display:flex;font-weight:600;height:45px;justify-content:center;transition:all .2s ease;width:45px}.question-nav-btn:hover{background:#f1f5f9;border-color:#3b82f6;transform:translateY(-2px)}.question-nav-btn.answered{background:#16a34a;border-color:#16a34a;color:#fff}.question-nav-btn.not-answered{background:#dc2626;border-color:#dc2626;color:#fff}.question-nav-btn.current{background:#3b82f6;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f633;color:#fff}.navigation-controls{gap:1rem;margin-bottom:2rem}.navigation-footer{border-top:1px solid #e9ecef;padding-top:1.5rem}.legend{flex-direction:column;margin-bottom:2rem}.legend,.legend-item{display:flex;gap:.75rem}.legend-item{align-items:center;color:#334155;font-size:.875rem}.legend-color{border:2px solid #0000;border-radius:4px;height:16px;width:16px}.legend-color.answered{background:#16a34a}.legend-color.not-answered{background:#dc2626}.legend-color.current{background:#3b82f6}.webcam-monitor{background:#1e293b;border-radius:12px;box-shadow:0 4px 16px #00000026;overflow:hidden}.webcam-monitor.compact{max-width:280px}.webcam-monitor.error,.webcam-monitor.inactive{align-items:center;display:flex;justify-content:center;min-height:200px}.webcam-header{align-items:center;background:linear-gradient(135deg,#1e293b,#334155);color:#fff;display:flex;justify-content:center;padding:.75rem 1rem}.status-indicator{display:flex;gap:.5rem}.status-dot{animation:pulse 2s infinite;background:#dc2626;height:8px;width:8px}.webcam-monitor.active .status-dot{background:#16a34a}.webcam-video-container{background:#000;position:relative}.webcam-video{display:block;height:auto;margin:0 auto;max-height:300px;object-fit:cover;width:100%}.webcam-overlay{bottom:0;left:0;pointer-events:none;position:absolute;right:0;top:0}.face-detection-box{border:2px solid #0f0;border-radius:4px;opacity:.8;position:absolute;transition:all .3s ease}.webcam-error,.webcam-placeholder{color:#94a3b8;padding:2rem;text-align:center}.camera-icon,.error-icon{display:block;font-size:3rem;margin-bottom:1rem}.webcam-info{background:#334155;color:#fff;font-size:.875rem;padding:1rem}.webcam-info p{font-weight:500;margin-bottom:.75rem}.webcam-info ul{list-style:none;margin:0;padding:0}.webcam-info li{align-items:center;display:flex;gap:.5rem;padding:.25rem 0}.webcam-info li:before{color:#16a34a;content:"•";font-weight:700}.system-check-container{align-items:center;background:#f8fafc;display:flex;justify-content:center;min-height:100vh;padding:2rem}.system-check-card{background:#fff;border-radius:16px;box-shadow:0 8px 32px #00000014;max-width:700px;padding:3rem;width:100%}.system-check-header h2{color:#fff;font-size:2rem;font-weight:700;margin-bottom:1rem}.system-check-header p{color:#fff;font-size:1.125rem;line-height:1.6}.exam-info h3{color:#1d4ed8;font-size:1.5rem;font-weight:700;margin-bottom:1rem;text-align:center}.exam-requirements{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;display:flex;justify-content:space-around;margin-bottom:2rem;padding:1.5rem}.requirement-item .label{color:#475569;display:block;font-size:.875rem;font-weight:500;margin-bottom:.25rem}.requirement-item .value{color:#0f172a;display:block;font-size:1.125rem;font-weight:700}.checks-list{margin:2rem 0}.check-item{align-items:center;border-radius:8px;display:flex;gap:1rem;margin-bottom:.75rem;padding:1rem;transition:all .2s ease}.check-item.success{background:#f0fdf4;border-left:4px solid #16a34a}.check-item.warning{background:#fffbeb;border-left:4px solid #d97706}.check-item.error{background:#fef2f2;border-left:4px solid #dc2626}.check-item.checking{background:#eff6ff;border-left:4px solid #3b82f6}.check-icon{font-size:1.5rem;text-align:center;width:2rem}.check-content{flex:1 1}.check-title{color:#0f172a;font-weight:600;margin-bottom:.25rem}.check-message{color:#475569;font-size:.875rem}.system-check-result{border-radius:12px;margin:2rem 0;padding:2rem;text-align:center}.system-check-result.success{background:#f0fdf4;border:2px solid #16a34a}.system-check-result.error{background:#fef2f2;border:2px solid #dc2626}.system-check-result h4{color:#0f172a;font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.system-check-actions{display:flex;gap:1rem;justify-content:center;margin-top:2rem}.system-check-footer{border-top:1px solid #e9ecef;color:#fff;margin-top:2rem;padding-top:2rem;text-align:center}.system-check-footer small{color:#fff;line-height:1.5}.submission-confirm-overlay{align-items:center;background:#000000b3;bottom:0;display:flex;justify-content:center;left:0;padding:2rem;position:fixed;right:0;top:0;z-index:1000}.submission-confirm-modal{background:#fff;border-radius:16px;box-shadow:0 20px 60px #00000040;max-height:80vh;max-width:600px;overflow-y:auto;width:100%}.modal-header-submission{background:linear-gradient(135deg,#3b82f6,#1d4ed8);border-radius:16px 16px 0 0;color:#fff;padding:2rem;text-align:center}.modal-header-submission h2{font-size:1.75rem;font-weight:700;margin:0}.modal-body{padding:2rem}.submission-warning{align-items:center;background:#fffbeb;border:2px solid #d97706;border-radius:10px;display:flex;gap:1rem;margin-bottom:2rem;padding:1.5rem}.warning-icon{flex-shrink:0;font-size:2rem}.submission-warning p{color:#92400e;font-weight:500;line-height:1.5;margin:0}.submission-summary{margin-bottom:2rem}.submission-summary h4{color:#0f172a;font-size:1.25rem;font-weight:700;margin-bottom:1rem}.summary-stats{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:2rem}.stat-item{background:#f8fafc;border-radius:8px;justify-content:space-between;padding:.75rem}.stat-item .label{color:#475569;font-weight:500}.stat-item .value{color:#0f172a;font-size:1.125rem;font-weight:700}.unanswered-warning{background:#fef2f2;border:2px solid #dc2626;border-radius:10px;margin-top:1rem;padding:1.5rem}.unanswered-warning h5{color:#991b1b;font-weight:600;margin-bottom:1rem}.unanswered-list{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.question-number{background:#dc2626}.more-count,.question-number{border-radius:15px;color:#fff;font-weight:600;padding:.25rem .75rem}.more-count{background:#475569;font-size:.875rem}.warning-text{color:#991b1b;font-size:.875rem;font-weight:500;margin:0}.proctoring-notice{background:#eff6ff;border:2px solid #3b82f6;border-radius:10px;padding:1.5rem}.proctoring-notice h5{color:#1e40af;font-weight:600;margin-bottom:1rem}.proctoring-notice p{color:#334155;line-height:1.6;margin:0}.modal-actions{border-top:1px solid #e9ecef;display:flex;gap:1rem;justify-content:center;padding:2rem}.modal-footer{color:#475569;font-size:.875rem;line-height:1.5;padding:1rem 2rem 2rem;text-align:center}.btn{min-width:120px;text-align:center}.btn-primary{background:linear-gradient(135deg,#3b82f6,#1d4ed8);border:2px solid #0000}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#1d4ed8,#1e40af);box-shadow:0 6px 20px #3b82f64d;transform:translateY(-2px)}.btn-secondary{background:#f1f5f9;border:2px solid #cbd5e1;color:#334155}.btn-secondary:hover:not(:disabled){background:#e2e8f0;border-color:#94a3b8;transform:translateY(-2px)}.btn-submit{background:linear-gradient(135deg,#16a34a,#059669);border:2px solid #0000;color:#fff}.btn-submit:hover:not(:disabled){background:linear-gradient(135deg,#15803d,#047857);box-shadow:0 6px 20px #16a34a4d;transform:translateY(-2px)}.btn-large{font-size:1rem;min-width:200px;padding:1rem 2.5rem}.btn-block{width:100%}.btn-disabled,.btn:disabled{background:#f1f5f9!important;border-color:#e2e8f0!important;box-shadow:none!important;color:#94a3b8!important;cursor:not-allowed!important;transform:none!important}.question-display{border:1px solid #f1f5f9;border-radius:16px;box-shadow:0 2px 20px #0000000f;margin:1.5rem;overflow:hidden;transition:box-shadow .3s ease}.question-display:hover{box-shadow:0 4px 32px #00000014}.question-header{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;justify-content:space-between;padding:1.5rem 2rem}.progress-indicator{align-items:center;color:#000;display:flex;font-weight:600;gap:.5rem}.current-question{font-size:1.5rem;font-weight:700}.separator{font-size:1rem;opacity:.8}.total-questions{font-size:1.125rem;opacity:.9}.progress-bar{background:#ffffff4d;border-radius:3px;height:6px;width:200px}.progress-fill{background:linear-gradient(90deg,#4facfe,#00f2fe);border-radius:3px}.question-points{align-items:center;display:flex;flex-direction:column;gap:.25rem}.points-label{color:#000;font-size:.875rem;font-weight:500;opacity:.8}.points-value{background:#fff;border-radius:20px;color:#4f46e5;font-size:1.75rem;font-weight:700;min-width:50px;padding:.5rem 1rem;text-align:center}.question-content{padding:2.5rem}.question-text-container{margin-bottom:2rem}.question-text{color:#0f172a;font-size:1.375rem;font-weight:600;letter-spacing:-.02em;margin:0 0 1rem}.time-limit-notice{align-items:center;background:#fffbeb;border:1px solid #fbbf24;border-radius:20px;color:#92400e;display:inline-flex;font-size:.875rem;font-weight:500;gap:.5rem;padding:.5rem 1rem}.question-image-section{margin:2rem 0 2.5rem}.image-loading-state{align-items:center;background:#f8fafc;border:2px dashed #cbd5e1;border-radius:12px;display:flex;flex-direction:column;gap:1rem;padding:2rem}.image-skeleton{animation:shimmer 1.5s ease-in-out infinite;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 37%,#f0f0f0 63%);background-size:400% 100%;border-radius:8px;height:200px;width:300px}.question-image-container{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:1.5rem;transition:all .3s ease}.question-image-container:hover{background:#f1f5f9;border-color:#cbd5e1}.question-image{border-radius:12px;box-shadow:0 8px 32px #0000001f;cursor:pointer;max-height:400px;max-width:100%;transition:all .3s ease}.question-image:hover{box-shadow:0 12px 40px #0000002e;transform:scale(1.02)}.image-actions{margin-top:1rem}.zoom-btn{background:linear-gradient(135deg,#06b6d4,#0891b2);border:none;border-radius:25px;color:#fff;cursor:pointer;font-size:.875rem;font-weight:600;padding:.75rem 1.5rem;transition:all .2s ease}.zoom-btn:hover{box-shadow:0 6px 20px #06b6d44d;transform:translateY(-2px)}.image-description{background:#fff;border-left:4px solid #06b6d4;border-radius:8px;color:#475569;font-style:italic;margin-top:1rem;padding:1rem}.image-error-state{background:#fef2f2;border:2px solid #fca5a5;border-radius:12px;color:#991b1b;padding:2rem;text-align:center}.answer-section{margin-top:2rem}.answer-instruction{background:linear-gradient(135deg,#ecfdf5,#f0fdf4);border-left:4px solid #10b981;border-radius:8px;color:#0f172a;font-size:1.125rem;font-weight:600;margin-bottom:1.5rem;padding:1rem 1.5rem}.options-container{display:flex;flex-direction:column;gap:1rem}.option{align-items:flex-start;background:#f8fafc;border:2px solid #e2e8f0;border-radius:12px;cursor:pointer;display:flex;gap:1rem;padding:1.5rem;position:relative;transition:all .2s ease}.option:hover{background:#f1f5f9;border-color:#06b6d4;box-shadow:0 4px 16px #06b6d414;transform:translateX(4px)}.option.selected{background:linear-gradient(135deg,#ecfdf5,#f0fdf4);border-color:#10b981;box-shadow:0 4px 20px #10b9811f}.option.selected:before{background:linear-gradient(135deg,#06b6d4,#0891b2);border-radius:0 8px 8px 0;bottom:0;content:"";left:0;position:absolute;top:0;width:4px}.option-indicator{align-items:center;display:flex;height:40px;justify-content:center;min-width:40px;position:relative}.option input[type=radio]{cursor:pointer;opacity:0;position:absolute}.option-letter{background:#fff;border:2px solid #cbd5e1;color:#475569;transition:all .2s ease}.option.selected .option-letter{background:#10b981;border-color:#10b981;color:#fff}.option-text{color:#0f172a;font-size:1.125rem;font-weight:500;line-height:1.6;padding-top:.25rem}.options-container.true-false{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:1fr 1fr;max-width:600px}.true-false .option{flex-direction:column;padding:2rem 1.5rem;text-align:center}.tf-icon{font-size:1.5rem;font-weight:700}.option.selected .tf-icon{color:#fff}.text-answer-container{margin-top:1rem;position:relative}.text-answer-input{background:#f8fafc;border:2px solid #e2e8f0;border-radius:12px;color:#0f172a;font-family:inherit;font-size:1.125rem;line-height:1.6;padding:1.5rem;resize:vertical;transition:all .2s ease;width:100%}.text-answer-input:focus{background:#fff;border-color:#06b6d4;box-shadow:0 0 0 3px #06b6d41a;outline:none}.essay-input{font-family:Georgia,serif;min-height:250px}.character-count{color:#64748b;font-size:.875rem;font-weight:500;margin-top:.75rem;text-align:right}.essay-tips{background:#fffbeb;border:1px solid #fed7aa;border-radius:8px;color:#92400e;margin-top:1rem;padding:1rem}.essay-tips small{font-size:.875rem;line-height:1.5}.answer-status{border-top:1px solid #e2e8f0;margin-top:2rem;padding-top:2rem;text-align:center}.status-indicator{align-items:center;border-radius:25px;display:inline-flex;font-size:.875rem;font-weight:600;gap:.75rem;padding:.75rem 1.5rem}.status-indicator.answered{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid #a7f3d0;color:#064e3b}.status-indicator.not-answered{background:#fef2f2;border:1px solid #fca5a5;color:#991b1b}.image-modal-overlay{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000d9;bottom:0;display:flex;justify-content:center;left:0;padding:2rem;position:fixed;right:0;top:0;z-index:1000}.image-modal-content{background:#fff;border-radius:16px;box-shadow:0 20px 60px #00000040;max-height:90vh;max-width:90vw;padding:1.5rem;position:relative}.close-modal-btn{align-items:center;background:#e53e3e;border:none;border-radius:50%;box-shadow:0 4px 12px #e53e3e66;color:#fff;cursor:pointer;display:flex;font-size:1.25rem;height:40px;justify-content:center;position:absolute;right:-12px;top:-12px;transition:all .2s ease;width:40px;z-index:1001}.close-modal-btn:hover{background:#c53030;transform:scale(1.1)}.modal-image{border-radius:8px;display:block;height:auto;max-height:70vh;max-width:100%}.modal-image-caption{background:#f8fafc;border-left:4px solid #06b6d4;border-radius:8px;color:#475569;font-style:italic;margin-top:1rem;padding:1rem;text-align:center}.unsupported-question{background:#fef2f2;border:2px solid #fca5a5;border-radius:12px;color:#991b1b;font-weight:600;padding:2rem;text-align:center}.exam-header{background:#fff;border-bottom:3px solid #3b82f6;box-shadow:0 2px 8px #0000000f;justify-content:space-between;min-height:80px;padding:1rem 2rem;position:-webkit-sticky;position:sticky;top:0;z-index:100}.exam-header,.exam-header-left{align-items:center;display:flex}.exam-header-left{flex:1 1}.exam-title h1{color:#0f172a;font-size:1.5rem;font-weight:700;line-height:1.2;margin:0 0 .25rem}.exam-progress-text{color:#475569;font-size:.875rem;font-weight:500}.exam-header-center{flex:0 0 auto;margin:0 2rem}.exam-header-center,.monitoring-indicator,.monitoring-status{align-items:center;display:flex}.monitoring-indicator{background:#f9fafb;border:2px solid #e5e7eb;border-radius:8px;gap:.75rem;padding:.75rem 1.25rem}.monitoring-indicator.active{background:#f0fdf4;border-color:#16a34a}.monitoring-indicator.inactive{background:#fef2f2;border-color:#ef4444}.status-dot{background:#ef4444;border-radius:50%;height:10px;width:10px}.monitoring-indicator.active .status-dot{animation:pulse-dot 2s infinite;background:#16a34a}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.6}}.monitoring-text{display:flex;flex-direction:column;gap:.125rem}.status-label{color:#475569;font-size:.75rem;font-weight:500}.status-value{color:#0f172a;font-size:.875rem;font-weight:600}.monitoring-indicator.active .status-value{color:#15803d}.monitoring-indicator.inactive .status-value{color:#dc2626}.exam-header-right{align-items:center;display:flex;flex:1 1;gap:2rem;justify-content:flex-end}.exam-info{display:flex;gap:1.5rem}.info-item{align-items:center;display:flex;flex-direction:column;text-align:center}.info-label{color:#475569;font-size:.75rem;font-weight:500;margin-bottom:.25rem}.info-value{color:#0f172a;font-size:1rem;font-weight:700}.time-display{align-items:center;background:#f9fafb;border:2px solid #e5e7eb;border-radius:8px;display:flex;flex-direction:column;min-width:120px;padding:.75rem 1.25rem}.time-display.normal{background:#f0fdf4;border-color:#16a34a}.time-display.caution{background:#fffbeb;border-color:#d97706}.time-display.warning{background:#fff7ed;border-color:#ea580c}.time-display.critical{animation:time-alert 1s ease-in-out infinite alternate;background:#fef2f2;border-color:#dc2626}@keyframes time-alert{0%{background:#fef2f2}to{background:#fee2e2}}.time-label{color:#475569;font-size:.75rem;font-weight:500;margin-bottom:.25rem}.time-value{color:#0f172a;font-family:Courier New,monospace;font-size:1.5rem;font-weight:700;margin-bottom:.5rem}.time-display.critical .time-value{color:#dc2626}.time-progress{background:#e5e7eb;border-radius:2px;height:4px;overflow:hidden;width:100%}.time-progress-bar{background:#16a34a;border-radius:2px;height:100%;transition:width 1s ease-in-out}.time-display.caution .time-progress-bar{background:#d97706}.time-display.warning .time-progress-bar{background:#ea580c}.time-display.critical .time-progress-bar{background:#dc2626}.exam-footer{background:#fff;border-top:3px solid #3b82f6;bottom:0;box-shadow:0 -2px 8px #0000000f;position:-webkit-sticky;position:sticky;z-index:100}.footer-content{gap:2rem;justify-content:space-between;padding:1.5rem 2rem}.footer-content,.footer-left{align-items:center;display:flex}.footer-left{flex:1 1}.question-progress{display:flex;flex-direction:column;gap:.75rem;width:100%}.progress-stats{display:flex;gap:2rem}.stat-number{color:#0f172a;font-size:1.5rem;font-weight:700;line-height:1}.stat-item.answered .stat-number{color:#15803d}.stat-item.unanswered .stat-number{color:#dc2626}.stat-label{color:#475569;margin-top:.25rem}.overall-progress{align-items:center;display:flex;gap:1rem}.progress-bar-container{background:#e5e7eb;border-radius:4px;flex:1 1;height:8px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg,#2563eb,#3b82f6);border-radius:4px;height:100%;transition:width .3s ease}.progress-text{color:#0f172a;font-size:.875rem;font-weight:600;white-space:nowrap}.footer-center{align-items:center;display:flex;flex:0 0 auto}.navigation-controls{gap:1.5rem}.nav-btn,.navigation-controls{align-items:center;display:flex}.nav-btn{background:#f9fafb;border:2px solid #e5e7eb;border-radius:8px;color:#0f172a;cursor:pointer;font-weight:600;gap:.5rem;padding:.75rem 1.25rem;transition:all .2s ease}.nav-btn:hover:not(:disabled){background:#3b82f6;border-color:#3b82f6;color:#fff;transform:translateY(-1px)}.nav-btn:disabled{background:#f3f4f6;border-color:#d1d5db;color:#9ca3af;cursor:not-allowed;transform:none}.btn-icon{font-size:1rem;font-weight:700}.btn-text{font-size:.875rem}.question-indicator{align-items:center;background:#f3f4f6;border:2px solid #d1d5db;border-radius:8px;display:flex;flex-direction:column;padding:.5rem 1rem;text-align:center}.current-q{color:#0f172a;font-size:1.25rem;font-weight:700;line-height:1}.total-q{color:#475569;font-size:.75rem;font-weight:500;margin-top:.125rem}.footer-right{flex:1 1;justify-content:flex-end}.footer-right,.submission-area{align-items:center;display:flex}.submission-area{gap:1.5rem}.submission-info{text-align:center}.completion-status,.submission-info{align-items:center;display:flex;flex-direction:column}.completion-percentage{color:#0f172a;font-size:1.25rem;font-weight:700;line-height:1}.completion-text{color:#475569;font-size:.75rem;font-weight:500;margin-top:.125rem}.submit-btn{align-items:center;background:#16a34a;border:2px solid #16a34a;border-radius:8px;color:#fff;cursor:pointer;display:flex;font-size:1rem;font-weight:700;gap:.75rem;padding:1rem 2rem;transition:all .2s ease}.submit-btn.ready:hover{background:#15803d;border-color:#15803d;box-shadow:0 4px 12px #16a34a40;transform:translateY(-2px)}.submit-btn.disabled,.submit-btn:disabled{background:#9ca3af;border-color:#9ca3af;box-shadow:none;cursor:not-allowed;transform:none}.submit-text{font-size:.875rem}.submit-icon{font-size:1rem;font-weight:700}.footer-bottom{background:#f3f4f6;border-top:1px solid #e5e7eb;padding:.75rem 2rem}.exam-notice{text-align:center}.notice-text{color:#334155;font-size:.875rem;font-weight:500;line-height:1.4}.webcam-monitor-container{background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 1px 3px 0 #0000001a,0 1px 2px 0 #0000000f;max-width:320px;overflow:hidden;transition:all .2s ease-in-out}.webcam-monitor-container:hover{border-color:#d1d5db;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.webcam-monitor-container.compact{max-width:280px}.webcam-monitor-container .webcam-header{align-items:center;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-bottom:1px solid #e5e7eb;display:flex;justify-content:space-between;padding:.875rem 1rem}.webcam-monitor-container .webcam-header h4{color:#374151;font-size:.875rem;font-weight:600;letter-spacing:-.025em;margin:0}.webcam-monitor-container .webcam-header .status-indicator{align-items:center;color:#6b7280;display:flex;font-size:.75rem;font-weight:500;gap:.5rem}.webcam-monitor-container .webcam-header .status-dot{background:#ef4444;border-radius:50%;height:8px;transition:all .2s ease;width:8px}.webcam-monitor-container .webcam-header .status-dot.active{animation:webcam-pulse 2s infinite;background:#10b981;box-shadow:0 0 0 2px #10b98133}@keyframes webcam-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}}.webcam-monitor-container .webcam-display{align-items:center;background:#f9fafb;display:flex;justify-content:center;min-height:180px;position:relative}.webcam-monitor-container .webcam-video{border:none;display:block;height:auto;max-height:240px;object-fit:cover;outline:none;width:100%}.webcam-monitor-container.compact .webcam-video{max-height:180px}.webcam-monitor-container .webcam-error,.webcam-monitor-container .webcam-placeholder{align-items:center;background:#f9fafb;color:#6b7280;display:flex;flex-direction:column;justify-content:center;min-height:180px;padding:2rem 1rem;text-align:center}.webcam-monitor-container .webcam-error span,.webcam-monitor-container .webcam-placeholder span{color:#374151;font-size:1.125rem;font-weight:500;margin-bottom:.5rem}.webcam-monitor-container .webcam-error p{color:#6b7280;font-size:.875rem;line-height:1.5;margin:0}.webcam-monitor-container .webcam-info{background:#f8fafc;border-top:1px solid #e5e7eb;padding:.875rem 1rem}.webcam-monitor-container .webcam-info p{align-items:center;color:#374151;display:flex;font-size:.875rem;font-weight:500;gap:.5rem;margin:0 0 .75rem}.webcam-monitor-container .webcam-info .proctoring-features{display:flex;flex-wrap:wrap;gap:.5rem}.webcam-monitor-container .webcam-info .feature{background:#e0f2fe;border:1px solid #bae6fd;border-radius:9999px;color:#0369a1;font-size:.75rem;font-weight:500;padding:.25rem .75rem}.proctoring-debug{-webkit-backdrop-filter:blur(8px)!important;backdrop-filter:blur(8px)!important;background:#1f2937!important;border:1px solid #374151!important;border-radius:8px!important;bottom:20px!important;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d!important;color:#f9fafb!important;font-family:ui-monospace,SF Mono,Monaco,Inconsolata,Roboto Mono,Courier New,monospace!important;font-size:.75rem!important;left:20px!important;max-width:280px!important;min-width:240px!important;padding:1rem!important;position:fixed!important;z-index:9999!important}.proctoring-debug h4{border-bottom:1px solid #374151!important;color:#fbbf24!important;font-size:.875rem!important;font-weight:600!important;letter-spacing:-.025em!important;margin:0 0 .75rem!important;padding-bottom:.5rem!important}.proctoring-debug div{align-items:center!important;display:flex!important;font-weight:500!important;justify-content:space-between!important;line-height:1.5!important;padding:.375rem 0!important}.proctoring-debug div:not(:last-child){border-bottom:1px solid #374151!important}.proctoring-debug div:first-of-type{margin-top:0!important}.proctoring-debug div:contains("✅"){color:#10b981!important}.proctoring-debug div:contains("❌"){color:#ef4444!important}.proctoring-alerts-container{-webkit-backdrop-filter:blur(12px)!important;backdrop-filter:blur(12px)!important;background:#fffffffa!important;border:1px solid #e5e7eb!important;border-radius:12px!important;box-shadow:0 8px 32px #00000026!important;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif!important;max-width:380px!important;min-width:320px!important;overflow:hidden!important;transition:all .2s ease!important;-webkit-user-select:none!important;user-select:none!important}.proctoring-alerts-container.dragging{box-shadow:0 20px 50px #00000040!important;transform:rotate(.5deg)!important;transition:none!important}.proctoring-alerts-container .alerts-header{align-items:center!important;background:linear-gradient(135deg,#dc2626,#b91c1c)!important;color:#fff!important;cursor:grab!important;display:flex!important;font-size:.875rem!important;font-weight:600!important;justify-content:space-between!important;padding:.875rem 1rem!important}.proctoring-alerts-container .alerts-header:active{cursor:grabbing!important}.proctoring-alerts-container .alerts-title{align-items:center!important;display:flex!important;font-weight:600!important;gap:.5rem!important}.proctoring-alerts-container .drag-handle{cursor:grab!important;font-size:1.2rem!important;opacity:.8!important;transition:opacity .2s ease!important}.proctoring-alerts-container .drag-handle:hover{opacity:1!important}.proctoring-alerts-container .alerts-body{max-height:280px!important;overflow-y:auto!important;scrollbar-color:#d1d5db #f9fafb!important;scrollbar-width:thin!important}.proctoring-alerts-container .alerts-body::-webkit-scrollbar{width:4px!important}.proctoring-alerts-container .alerts-body::-webkit-scrollbar-track{background:#f9fafb!important}.proctoring-alerts-container .alerts-body::-webkit-scrollbar-thumb{background:#d1d5db!important;border-radius:2px!important}.proctoring-alerts-container .proctoring-alert{align-items:flex-start!important;animation:slideInAlert .3s ease-out!important;border-bottom:1px solid #f1f5f9!important;display:flex!important;gap:.5rem!important;justify-content:space-between!important;padding:.875rem 1rem!important;position:relative!important;transition:all .2s ease!important}.proctoring-alerts-container .proctoring-alert:hover{background:#f8fafc!important}.proctoring-alerts-container .proctoring-alert:last-child{border-bottom:none!important}.proctoring-alerts-container .proctoring-alert.severity-low{background:#f0fdf4!important;border-left:4px solid #10b981!important}.proctoring-alerts-container .proctoring-alert.severity-medium{background:#fffbeb!important;border-left:4px solid #f59e0b!important}.proctoring-alerts-container .proctoring-alert.severity-high{background:#fef2f2!important;border-left:4px solid #dc2626!important}.proctoring-alerts-container .alert-content{display:flex!important;flex:1 1!important;flex-direction:column!important;gap:.25rem!important}.proctoring-alerts-container .alert-message{color:#374151!important;font-size:.875rem!important;font-weight:500!important;line-height:1.4!important}.proctoring-alerts-container .alert-time{color:#6b7280!important;font-size:.75rem!important;font-weight:400!important}.proctoring-alerts-container .alert-risk-score{align-self:flex-start!important;background:#3b82f61a!important;border-radius:.25rem!important;color:#3b82f6!important;font-size:.75rem!important;font-weight:600!important;margin-top:.25rem!important;padding:.125rem .375rem!important}.proctoring-alerts-container .alert-dismiss{align-items:center!important;background:none!important;border:none!important;border-radius:50%!important;color:#6b7280!important;cursor:pointer!important;display:flex!important;flex-shrink:0!important;font-size:1.25rem!important;font-weight:700!important;height:24px!important;justify-content:center!important;padding:.125rem!important;transition:all .2s ease!important;width:24px!important}.proctoring-alerts-container .alert-dismiss:hover{background:#ef44441a!important;color:#dc2626!important}.proctoring-alerts-container .alerts-footer{align-items:center!important;background:#f9fafb!important;border-top:1px solid #f1f5f9!important;color:#6b7280!important;display:flex!important;font-size:.75rem!important;justify-content:space-between!important;padding:.5rem 1rem!important}.proctoring-alerts-container .connection-status{border-radius:.25rem!important;font-weight:600!important;padding:.125rem .375rem!important}.proctoring-alerts-container .connection-status.status-connected{background:#dcfce7!important;color:#16a34a!important}.proctoring-alerts-container .connection-status.status-disconnected{background:#fee2e2!important;color:#dc2626!important}.proctoring-alerts-container .connection-status.status-error{background:#fef3c7!important;color:#d97706!important}.proctoring-alerts-container .analysis-status{font-style:italic!important;font-weight:500!important}.proctoring-status-widget{-webkit-backdrop-filter:blur(8px)!important;backdrop-filter:blur(8px)!important;background:#fffffff2!important;border:1px solid #e5e7eb!important;border-radius:12px!important;box-shadow:0 4px 20px #0000001a!important;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto!important;min-width:220px!important;padding:1rem!important;position:fixed!important;right:20px!important;top:20px!important;z-index:999!important}.proctoring-status-widget .status-header{align-items:center!important;color:#374151!important;display:flex!important;font-size:.875rem!important;font-weight:600!important;gap:.5rem!important;margin-bottom:.75rem!important}.proctoring-status-widget .status-indicator{background:#dc2626!important;border-radius:50%!important;height:8px!important;width:8px!important}.proctoring-status-widget .status-indicator.active{animation:status-pulse 2s infinite!important;background:#10b981!important}@keyframes status-pulse{0%,to{box-shadow:0 0 0 0 #10b981b3;opacity:1}50%{box-shadow:0 0 0 4px #10b98100;opacity:.8}}.proctoring-status-widget .status-metrics{display:flex!important;flex-direction:column!important;gap:.5rem!important}.proctoring-status-widget .metric{align-items:center!important;display:flex!important;justify-content:space-between!important}.proctoring-status-widget .metric-label{color:#6b7280!important;font-size:.75rem!important;font-weight:500!important}.proctoring-status-widget .metric-value{font-size:.875rem!important;font-weight:600!important}.proctoring-status-widget .metric-value.risk-low{color:#10b981!important}.proctoring-status-widget .metric-value.risk-medium{color:#f59e0b!important}.proctoring-status-widget .metric-value.risk-high{color:#dc2626!important}.proctoring-status-widget .last-analysis{border-top:1px solid #f1f5f9!important;color:#6b7280!important;font-size:.75rem!important;margin-top:.5rem!important;padding-top:.5rem!important}@keyframes slideInAlert{0%{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}@media (max-width:768px){.proctoring-alerts-container{max-width:300px!important;min-width:280px!important}.proctoring-status-widget{min-width:200px!important;right:10px!important;top:10px!important}.webcam-monitor-container{max-width:100%!important}.proctoring-debug{bottom:10px!important;left:10px!important;max-width:260px!important}}.exam-taking-container.exam-active.fullscreen-mode{-webkit-touch-callout:none!important;-webkit-tap-highlight-color:transparent!important;-webkit-user-drag:none!important;-khtml-user-drag:none!important;-moz-user-drag:none!important;-o-user-drag:none!important;user-drag:none!important;background:#fff!important;height:100vh!important;left:0!important;overflow-x:hidden!important;overflow-y:auto!important;position:fixed!important;top:0!important;-webkit-user-select:none!important;user-select:none!important;width:100vw!important;z-index:9999!important}.exam-taking-container.exam-active.fullscreen-mode .exam-content{max-height:calc(100vh - 120px)!important;overflow-y:auto!important}.exam-taking-container.exam-active.fullscreen-mode .exam-main{max-height:calc(100vh - 140px)!important;overflow-y:auto!important;padding-right:10px!important}.exam-taking-container.exam-active.fullscreen-mode .question-display{max-height:none!important;overflow-y:auto!important;-webkit-user-select:none!important;user-select:none!important}.exam-taking-container.exam-active .question-content{max-height:calc(100vh - 200px)!important;overflow-y:auto!important;padding:1rem!important}.exam-taking-container.exam-active .answer-input,.exam-taking-container.exam-active .answer-textarea,.exam-taking-container.exam-active input[type=email],.exam-taking-container.exam-active input[type=number],.exam-taking-container.exam-active input[type=text],.exam-taking-container.exam-active textarea{pointer-events:auto!important;-webkit-user-select:text!important;user-select:text!important}.exam-taking-container.exam-active .option-item,.exam-taking-container.exam-active .option-item label,.exam-taking-container.exam-active input[type=checkbox],.exam-taking-container.exam-active input[type=radio]{pointer-events:auto!important;-webkit-user-select:none!important;user-select:none!important}.exam-taking-container.exam-active .question-display img,.exam-taking-container.exam-active .question-image{-webkit-user-drag:none!important;-khtml-user-drag:none!important;-moz-user-drag:none!important;-o-user-drag:none!important;user-drag:none!important;border-radius:8px!important;box-shadow:0 2px 8px #0000001a!important;display:block!important;height:auto!important;margin:1rem auto!important;max-height:400px!important;max-width:100%!important;object-fit:contain!important;pointer-events:none!important}.exam-taking-container.exam-active .btn,.exam-taking-container.exam-active .exam-footer button,.exam-taking-container.exam-active .navigation-button,.exam-taking-container.exam-active .question-nav,.exam-taking-container.exam-active button{pointer-events:auto!important;-webkit-user-select:none!important;user-select:none!important}.exam-taking-container.exam-active ::-webkit-scrollbar{width:8px!important}.exam-taking-container.exam-active ::-webkit-scrollbar-track{background:#f1f1f1!important;border-radius:4px!important}.exam-taking-container.exam-active ::-webkit-scrollbar-thumb{background:#c1c1c1!important;border-radius:4px!important}.exam-taking-container.exam-active ::-webkit-scrollbar-thumb:hover{background:#a8a8a8!important}.exam-taking-container.exam-active .exam-info,.exam-taking-container.exam-active .question-number,.exam-taking-container.exam-active .question-text,.exam-taking-container.exam-active .question-title{pointer-events:none!important;-webkit-user-select:none!important;user-select:none!important}.exam-taking-container.exam-active .option-item label{cursor:pointer!important;pointer-events:auto!important}@media (max-width:768px){.exam-taking-container.exam-active.fullscreen-mode .exam-main{max-height:calc(100vh - 160px)!important;padding:.5rem!important}.exam-taking-container.exam-active .question-content{max-height:calc(100vh - 220px)!important;padding:.5rem!important}.exam-taking-container.exam-active .question-display img,.exam-taking-container.exam-active .question-image{margin:.5rem auto!important;max-height:250px!important}}.exam-taking-container.exam-active .security-warning-overlay{align-items:center!important;background:#dc2626e6!important;color:#fff!important;display:flex!important;flex-direction:column!important;font-size:1.5rem!important;font-weight:700!important;height:100vh!important;justify-content:center!important;left:0!important;position:fixed!important;text-align:center!important;top:0!important;width:100vw!important;z-index:10000!important}.exam-taking-container.exam-active .anti-cheating-notice{background:#ef4444e6!important;bottom:10px!important;font-size:.75rem!important;right:10px!important;z-index:999!important}.exam-taking-container.exam-active .anti-cheating-notice,.exam-taking-container.exam-active .fullscreen-indicator{border-radius:6px!important;color:#fff!important;font-weight:600!important;padding:.5rem 1rem!important;pointer-events:none!important;position:fixed!important}.exam-taking-container.exam-active .fullscreen-indicator{background:#10b981e6!important;font-size:.875rem!important;left:50%!important;top:10px!important;transform:translateX(-50%)!important;z-index:1001!important}.exam-taking-container.exam-active .fullscreen-indicator.warning{animation:securityPulse 1s infinite!important;background:#ef4444e6!important}@keyframes securityPulse{0%,to{background:#fee2e2;border-left-color:#dc2626}50%{background:#fecaca;border-left-color:#ef4444}}@keyframes riskPulse{0%,to{opacity:1}50%{opacity:.7}}.question-display{background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;height:100%;overflow-y:auto;padding:1rem;width:100%}.question-content{line-height:1.6;max-width:100%}.question-header{border-bottom:2px solid #e5e7eb;margin-bottom:1.5rem;padding-bottom:1rem}.question-title{color:#374151;font-size:1.25rem;font-weight:600;margin-bottom:.5rem}.question-meta{color:#6b7280;font-size:.875rem;justify-content:space-between}.question-body{margin-bottom:2rem}.question-text{font-size:1rem;line-height:1.7}.question-image-container{margin:1.5rem 0;text-align:center}.question-image{-webkit-user-drag:none!important;user-drag:none!important;border-radius:8px;box-shadow:0 4px 12px #00000026;display:block!important;height:auto!important;margin:0 auto!important;max-height:500px!important;max-width:100%!important;object-fit:contain!important;pointer-events:none!important;-webkit-user-select:none!important;user-select:none!important}.question-options{margin-top:1.5rem}.option-item{align-items:flex-start;border:2px solid #e5e7eb;cursor:pointer;display:flex;margin-bottom:1rem;padding:.75rem;transition:all .2s ease}.option-item:hover{background-color:#f8fafc;border-color:#3b82f6}.option-item.selected{background-color:#eff6ff;border-color:#3b82f6}.option-item input[type=checkbox],.option-item input[type=radio]{cursor:pointer;margin-right:.75rem;margin-top:.125rem}.option-item label{color:#374151;cursor:pointer;flex:1 1;font-size:.95rem;line-height:1.5}.answer-textarea{border:2px solid #e5e7eb;border-radius:8px;font-family:inherit;font-size:.95rem;line-height:1.5;min-height:120px;padding:.75rem;resize:vertical;width:100%}.answer-textarea:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;outline:none}.answer-input{border:2px solid #e5e7eb;border-radius:8px;font-size:.95rem;padding:.75rem;width:100%}.answer-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;outline:none}@media (max-width:768px){.question-display{padding:.75rem}.question-title{font-size:1.125rem}.question-text{font-size:.95rem}.question-image{max-height:300px!important}.option-item{padding:.5rem}.option-item label{font-size:.9rem}}:root{--background:0 0% 100%;--foreground:222.2 84% 4.9%;--card:0 0% 100%;--card-foreground:222.2 84% 4.9%;--popover:0 0% 100%;--popover-foreground:222.2 84% 4.9%;--primary:221.2 83.2% 53.3%;--primary-foreground:210 40% 98%;--secondary:210 40% 96%;--secondary-foreground:222.2 84% 4.9%;--muted:210 40% 96%;--muted-foreground:215.4 16.3% 46.9%;--accent:210 40% 96%;--accent-foreground:222.2 84% 4.9%;--destructive:0 84.2% 60.2%;--destructive-foreground:210 40% 98%;--border:214.3 31.8% 91.4%;--input:214.3 31.8% 91.4%;--ring:221.2 83.2% 53.3%;--radius:0.5rem}.instructor-proctoring{background:#fff;background:hsl(var(--background));color:#020817;color:hsl(var(--foreground));font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;min-height:100vh}.instructor-proctoring.error,.instructor-proctoring.loading{align-items:center;display:flex;justify-content:center;min-height:100vh}.instructor-proctoring .loading-spinner{padding:2rem;text-align:center}.instructor-proctoring .spinner{animation:spin 1s ease-out infinite;border:3px solid #f1f5f9;border-top:3px solid #2563eb;border:3px solid hsl(var(--muted));border-radius:50%;border-top-color:hsl(var(--primary));height:3rem;margin:0 auto 1rem;width:3rem}.instructor-proctoring .loading-spinner p{color:#64748b;color:hsl(var(--muted-foreground));font-size:.875rem;margin:0}.instructor-proctoring .error-message{background:#fff;background:hsl(var(--card));border:1px solid #e2e8f0;border:1px solid hsl(var(--border));border-radius:.5rem;border-radius:var(--radius);box-shadow:0 1px 3px 0 #0000001a,0 1px 2px -1px #0000001a;max-width:24rem;padding:2rem;text-align:center}.instructor-proctoring .error-message h3{color:#ef4444;color:hsl(var(--destructive));font-size:1.125rem;font-weight:600;margin:0 0 1rem}.instructor-proctoring .error-message p{color:#64748b;color:hsl(var(--muted-foreground));font-size:.875rem;margin:0 0 1.5rem}.instructor-proctoring .proctoring-header{align-items:center;background:#fff;background:hsl(var(--card));border-bottom:1px solid #e2e8f0;border-bottom:1px solid hsl(var(--border));box-shadow:0 1px 3px 0 #0000001a;display:flex;justify-content:space-between;padding:1.5rem 2rem}.instructor-proctoring .header-left h1{color:#020817;color:hsl(var(--foreground));font-size:1.875rem;font-weight:700;margin:0 0 .5rem}.instructor-proctoring .exam-info h2{color:#020817;color:hsl(var(--foreground));font-size:1.25rem;font-weight:600;margin:0 0 .25rem}.instructor-proctoring .exam-code{background:#f1f5f9;background:hsl(var(--muted));border-radius:calc(.5rem - 2px);border-radius:calc(var(--radius) - 2px);color:#64748b;color:hsl(var(--muted-foreground));font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem;padding:.25rem .75rem}.instructor-proctoring .live-stats{display:flex;gap:2rem}.instructor-proctoring .stat{min-width:5rem;text-align:center}.instructor-proctoring .stat-value{color:#2563eb;color:hsl(var(--primary));display:block;font-size:2rem;font-weight:700;line-height:1;margin-bottom:.25rem}.instructor-proctoring .stat-label{color:#64748b;color:hsl(var(--muted-foreground));font-size:.75rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase}.instructor-proctoring .proctoring-content{grid-gap:1px;background:#e2e8f0;background:hsl(var(--border));display:grid;gap:1px;grid-template-columns:20rem 1fr 24rem;height:calc(100vh - 7rem)}.instructor-proctoring .students-panel{background:#fff;background:hsl(var(--card));display:flex;flex-direction:column;overflow:hidden}.instructor-proctoring .panel-header{background:#f1f5f980;background:hsl(var(--muted)/.5);border-bottom:1px solid #e2e8f0;border-bottom:1px solid hsl(var(--border));padding:1rem 1.5rem}.instructor-proctoring .panel-header h3{color:#020817;color:hsl(var(--foreground));font-size:1rem;font-weight:600;margin:0}.instructor-proctoring .students-list{flex:1 1;overflow-y:auto;padding:.5rem}.instructor-proctoring .student-item{align-items:center;background:#fff;background:hsl(var(--card));border:1px solid #e2e8f0;border:1px solid hsl(var(--border));border-radius:.5rem;border-radius:var(--radius);cursor:pointer;display:flex;margin-bottom:.5rem;padding:.75rem;position:relative;transition:all .2s ease}.instructor-proctoring .student-item:hover{background:#f1f5f9;background:hsl(var(--accent));border-color:#2563eb;border-color:hsl(var(--ring));box-shadow:0 4px 12px 0 #0000001a;transform:translateY(-1px)}.instructor-proctoring .student-item.selected{background:#2563eb1a;background:hsl(var(--primary)/.1);border-color:#2563eb;border-color:hsl(var(--primary));box-shadow:0 0 0 1px #2563eb33;box-shadow:0 0 0 1px hsl(var(--primary)/.2)}.instructor-proctoring .student-item.risk-high{border-left:4px solid #ef4444;border-left:4px solid hsl(var(--destructive))}.instructor-proctoring .student-item.risk-medium{border-left:4px solid #ffb224}.instructor-proctoring .student-item.risk-low{border-left:4px solid #16a249}.instructor-proctoring .student-avatar{font-size:1.5rem;margin-right:.75rem;position:relative}.instructor-proctoring .status-indicator{border:2px solid #fff;border:2px solid hsl(var(--card));border-radius:50%;height:.75rem;position:absolute;right:-2px;top:-2px;width:.75rem}.instructor-proctoring .status-indicator.active{background:#16a249}.instructor-proctoring .status-indicator.disconnected{background:#ef4444;background:hsl(var(--destructive))}.instructor-proctoring .student-details{flex:1 1;min-width:0}.instructor-proctoring .student-name{color:#020817;color:hsl(var(--foreground));font-weight:600;margin-bottom:.25rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.instructor-proctoring .student-meta{color:#64748b;color:hsl(var(--muted-foreground));font-size:.75rem;margin-bottom:.25rem}.instructor-proctoring .risk-score{color:#020817;color:hsl(var(--foreground));font-weight:600}.instructor-proctoring .student-activity{color:#64748b;color:hsl(var(--muted-foreground));font-size:.75rem}.instructor-proctoring .student-actions{margin-left:.5rem}.instructor-proctoring .action-btn{background:#f1f5f9;background:hsl(var(--secondary));border:1px solid #e2e8f0;border:1px solid hsl(var(--border));border-radius:calc(.5rem - 2px);border-radius:calc(var(--radius) - 2px);cursor:pointer;font-size:1rem;padding:.5rem;transition:all .2s ease}.instructor-proctoring .action-btn:hover{background:#2563eb;background:hsl(var(--primary));color:#f8fafc;color:hsl(var(--primary-foreground))}.instructor-proctoring .student-details-panel{background:#fff;background:hsl(var(--card));display:flex;flex-direction:column;overflow:hidden}.instructor-proctoring .no-selection{align-items:center;display:flex;flex-direction:column;height:100%;justify-content:center;padding:2rem;text-align:center}.instructor-proctoring .no-selection h3{color:#020817;color:hsl(var(--foreground));font-size:1.25rem;font-weight:600;margin:0 0 1rem}.instructor-proctoring .no-selection p{color:#64748b;color:hsl(var(--muted-foreground));margin:0;max-width:24rem}.instructor-proctoring .student-detail-view{display:flex;flex-direction:column;height:100%;overflow:hidden}.instructor-proctoring .student-header{background:#f1f5f980;background:hsl(var(--muted)/.5);border-bottom:1px solid #e2e8f0;border-bottom:1px solid hsl(var(--border));padding:1.5rem}.instructor-proctoring .student-header h3{color:#020817;color:hsl(var(--foreground));font-size:1.25rem;font-weight:600;margin:0 0 .5rem}.instructor-proctoring .student-status{color:#64748b;color:hsl(var(--muted-foreground));font-size:.875rem}.instructor-proctoring .status.active{color:#16a249;font-weight:500}.instructor-proctoring .status.disconnected{color:#ef4444;color:hsl(var(--destructive));font-weight:500}.instructor-proctoring .risk.risk-high{color:#ef4444;color:hsl(var(--destructive));font-weight:600}.instructor-proctoring .risk.risk-medium{color:#ffb224;font-weight:600}.instructor-proctoring .live-feed{border-bottom:1px solid #e2e8f0;border-bottom:1px solid hsl(var(--border));padding:1.5rem}.instructor-proctoring .live-feed h4{color:#020817;color:hsl(var(--foreground));font-size:1rem;font-weight:600;margin:0 0 1rem}.instructor-proctoring .student-webcam{border:1px solid #e2e8f0;border:1px solid hsl(var(--border));border-radius:.5rem;border-radius:var(--radius);box-shadow:0 4px 12px 0 #0000001a;height:auto;max-width:32rem;width:100%}.instructor-proctoring .no-feed{align-items:center;background:#f1f5f9;background:hsl(var(--muted));border:2px dashed #e2e8f0;border:2px dashed hsl(var(--border));border-radius:.5rem;border-radius:var(--radius);color:#64748b;color:hsl(var(--muted-foreground));display:flex;height:12rem;justify-content:center}.instructor-proctoring .analysis-data{border-bottom:1px solid #e2e8f0;border-bottom:1px solid hsl(var(--border));padding:1.5rem}.instructor-proctoring .analysis-data h4{color:#020817;color:hsl(var(--foreground));font-size:1rem;font-weight:600;margin:0 0 1rem}.instructor-proctoring .analysis-grid{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(2,1fr)}.instructor-proctoring .metric{background:#f1f5f9;background:hsl(var(--muted));border-radius:.5rem;border-radius:var(--radius);padding:.75rem;text-align:center}.instructor-proctoring .metric .label{color:#64748b;color:hsl(var(--muted-foreground));display:block;font-size:.75rem;letter-spacing:.05em;margin-bottom:.25rem;text-transform:uppercase}.instructor-proctoring .metric .value{color:#020817;color:hsl(var(--foreground));display:block;font-size:1.125rem;font-weight:600}.instructor-proctoring .message-student{display:flex;flex:1 1;flex-direction:column;padding:1.5rem}.instructor-proctoring .message-student h4{color:#020817;color:hsl(var(--foreground));font-size:1rem;font-weight:600;margin:0 0 1rem}.instructor-proctoring .message-input-group{display:flex;gap:.5rem;margin-bottom:1rem}.instructor-proctoring .message-input-group input{background:#fff;background:hsl(var(--background));border:1px solid #e2e8f0;border:1px solid hsl(var(--border));border-radius:.5rem;border-radius:var(--radius);flex:1 1;font-size:.875rem;padding:.5rem .75rem;transition:border-color .2s ease}.instructor-proctoring .message-input-group input:focus{border-color:#2563eb;border-color:hsl(var(--ring));box-shadow:0 0 0 2px #2563eb33;box-shadow:0 0 0 2px hsl(var(--ring)/.2);outline:none}.instructor-proctoring .send-btn{background:#2563eb;background:hsl(var(--primary));border:none;border-radius:.5rem;border-radius:var(--radius);color:#f8fafc;color:hsl(var(--primary-foreground));cursor:pointer;font-size:.875rem;font-weight:500;padding:.5rem 1rem;transition:background-color .2s ease}.instructor-proctoring .send-btn:hover{background:#2563ebe6;background:hsl(var(--primary)/.9)}.instructor-proctoring .quick-messages{display:flex;flex-direction:column;gap:.5rem}.instructor-proctoring .quick-messages button{background:#f1f5f9;background:hsl(var(--secondary));border:1px solid #e2e8f0;border:1px solid hsl(var(--border));border-radius:.5rem;border-radius:var(--radius);cursor:pointer;font-size:.75rem;padding:.5rem .75rem;text-align:left;transition:all .2s ease}.instructor-proctoring .quick-messages button:hover{background:#f1f5f9;background:hsl(var(--accent));border-color:#2563eb;border-color:hsl(var(--ring))}.instructor-proctoring .alerts-panel{background:#fff;background:hsl(var(--card));display:flex;flex-direction:column;overflow:hidden}.instructor-proctoring .alert-filters{display:flex;flex-direction:column;gap:.5rem;margin-top:.75rem}.instructor-proctoring .alert-filters select{background:#fff;background:hsl(var(--background));border:1px solid #e2e8f0;border:1px solid hsl(var(--border));border-radius:.5rem;border-radius:var(--radius);color:#020817;color:hsl(var(--foreground));font-size:.75rem;padding:.375rem .5rem}.instructor-proctoring .alerts-list{flex:1 1;overflow-y:auto;padding:.5rem}.instructor-proctoring .alert-item{background:#fff;background:hsl(var(--card));border:1px solid #e2e8f0;border:1px solid hsl(var(--border));border-radius:.5rem;border-radius:var(--radius);margin-bottom:.5rem;overflow:hidden;transition:all .2s ease}.instructor-proctoring .alert-item:hover{box-shadow:0 2px 8px 0 #0000001a}.instructor-proctoring .alert-item.severity-critical{background:#ef44440d;background:hsl(var(--destructive)/.05);border-color:#ef4444;border-color:hsl(var(--destructive))}.instructor-proctoring .alert-item.severity-high{background:#ef444408;background:hsl(var(--destructive)/.03);border-color:#ef4444b3;border-color:hsl(var(--destructive)/.7)}.instructor-proctoring .alert-item.severity-info{background:#2563eb08;background:hsl(var(--primary)/.03);border-color:#2563ebb3;border-color:hsl(var(--primary)/.7)}.instructor-proctoring .alert-header{align-items:center;background:#f1f5f980;background:hsl(var(--muted)/.5);border-bottom:1px solid #e2e8f0;border-bottom:1px solid hsl(var(--border));display:flex;padding:.75rem}.instructor-proctoring .alert-type-icon{font-size:1rem;margin-right:.5rem}.instructor-proctoring .alert-student{color:#020817;color:hsl(var(--foreground));flex:1 1;font-size:.875rem;font-weight:500}.instructor-proctoring .alert-time{color:#64748b;color:hsl(var(--muted-foreground));font-size:.75rem}.instructor-proctoring .alert-content{color:#020817;color:hsl(var(--foreground));font-size:.875rem;line-height:1.4;padding:.75rem}.instructor-proctoring .alert-risk{color:#64748b;color:hsl(var(--muted-foreground));font-size:.75rem;font-weight:500;margin-top:.5rem}.instructor-proctoring .alert-actions{border-top:1px solid #e2e8f0;border-top:1px solid hsl(var(--border));display:flex;justify-content:flex-end;padding:.75rem}.instructor-proctoring .dismiss-btn{background:#f1f5f9;background:hsl(var(--secondary));border:1px solid #e2e8f0;border:1px solid hsl(var(--border));border-radius:calc(.5rem - 2px);border-radius:calc(var(--radius) - 2px);cursor:pointer;font-size:.75rem;padding:.25rem .75rem;transition:all .2s ease}.instructor-proctoring .dismiss-btn:hover{background:#f1f5f9;background:hsl(var(--accent))}.instructor-proctoring .no-alerts{align-items:center;color:#64748b;color:hsl(var(--muted-foreground));display:flex;font-size:.875rem;height:8rem;justify-content:center}@media (max-width:1280px){.instructor-proctoring .proctoring-content{grid-template-columns:18rem 1fr 20rem}}@media (max-width:1024px){.instructor-proctoring .proctoring-content{grid-template-columns:16rem 1fr 18rem}.instructor-proctoring .proctoring-header{align-items:flex-start;flex-direction:column;gap:1rem}.instructor-proctoring .live-stats{gap:1rem}}@media (max-width:768px){.instructor-proctoring .proctoring-content{grid-template-columns:1fr;grid-template-rows:auto 1fr auto}.instructor-proctoring .alerts-panel,.instructor-proctoring .students-panel{max-height:20rem}.instructor-proctoring .proctoring-header{padding:1rem}.instructor-proctoring .live-stats{flex-direction:row;justify-content:space-around;width:100%}}.instructor-proctoring .alerts-list::-webkit-scrollbar,.instructor-proctoring .students-list::-webkit-scrollbar{width:.5rem}.instructor-proctoring .alerts-list::-webkit-scrollbar-track,.instructor-proctoring .students-list::-webkit-scrollbar-track{background:#f1f5f9;background:hsl(var(--muted))}.instructor-proctoring .alerts-list::-webkit-scrollbar-thumb,.instructor-proctoring .students-list::-webkit-scrollbar-thumb{background:#64748b4d;background:hsl(var(--muted-foreground)/.3);border-radius:.25rem}.instructor-proctoring .alerts-list::-webkit-scrollbar-thumb:hover,.instructor-proctoring .students-list::-webkit-scrollbar-thumb:hover{background:#64748b80;background:hsl(var(--muted-foreground)/.5)}.instructor-proctoring .btn{align-items:center;border:none;border-radius:.5rem;border-radius:var(--radius);cursor:pointer;display:inline-flex;font-size:.875rem;font-weight:500;justify-content:center;padding:.5rem 1rem;text-decoration:none;transition:all .2s ease}.instructor-proctoring .btn-primary{background:#2563eb;background:hsl(var(--primary));color:#f8fafc;color:hsl(var(--primary-foreground))}.instructor-proctoring .btn-primary:hover{background:#2563ebe6;background:hsl(var(--primary)/.9)}.instructor-proctoring .btn-secondary{background:#f1f5f9;background:hsl(var(--secondary));border:1px solid #e2e8f0;border:1px solid hsl(var(--border));color:#020817;color:hsl(var(--secondary-foreground))}.instructor-proctoring .btn-secondary:hover{background:#f1f5f9;background:hsl(var(--accent))}.instructor-proctoring .alert-item{animation:fadeIn .3s ease-out}.instructor-proctoring .student-item{animation:fadeIn .2s ease-out}.instructor-proctoring button:focus-visible,.instructor-proctoring input:focus-visible,.instructor-proctoring select:focus-visible{outline:2px solid #2563eb;outline:2px solid hsl(var(--ring));outline-offset:2px}.instructor-proctoring .student-item:focus-visible{outline:2px solid #2563eb;outline:2px solid hsl(var(--ring));outline-offset:-1px}.create-exam-container{background:#f8fafc;margin:0 auto;max-width:1200px;min-height:100vh;padding:2rem}.create-exam-header{background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 1px 3px 0 #0000001a,0 1px 2px 0 #0000000f;margin-bottom:2rem;padding:2rem;text-align:center}.create-exam-header h1{color:#1e293b;font-size:2rem;font-weight:700;margin-bottom:.5rem}.create-exam-header p{color:#64748b;font-size:1rem;margin-bottom:1.5rem}.proctoring-score{align-items:center;display:flex;gap:1rem;justify-content:center;margin-top:1rem}.score-label{color:#374151;font-size:.875rem;font-weight:600}.score-bar{background:#e2e8f0;border-radius:3px;height:6px;overflow:hidden;width:200px}.score-fill{background:linear-gradient(90deg,#ef4444,#f59e0b 50%,#10b981);height:100%;transition:width .3s ease}.score-value{color:#1e293b;font-size:.875rem;font-weight:700}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#dc2626}.error-message,.success-message{font-size:.875rem;margin-bottom:1rem}.success-message{background:#f0fdf4;border:1px solid #bbf7d0;color:#16a34a}.error-state{box-shadow:0 1px 3px 0 #0000001a;padding:3rem;text-align:center}.create-exam-form,.error-state{background:#fff;border:1px solid #e2e8f0;border-radius:12px}.create-exam-form{box-shadow:0 1px 3px 0 #0000001a,0 1px 2px 0 #0000000f;overflow:hidden}.form-tabs{background:#f8fafc;border-bottom:1px solid #e2e8f0}.tab{background:none;border-bottom:2px solid #0000;color:#64748b;font-size:.875rem;font-weight:500;padding:1rem 1.5rem}.tab:hover{background:#fff;color:#374151}.tab.active{border-bottom-color:#3b82f6;color:#3b82f6}.tab-content h3{color:#1e293b;font-size:1.25rem;font-weight:600;margin-bottom:1.5rem}.form-group input,.form-group select,.form-group textarea{border:1.5px solid #d1d5db;color:#111827;font-size:.875rem;transition:border-color .2s ease}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.form-row{grid-gap:1rem;gap:1rem}.proctoring-description{background:#eff6ff;border-left:4px solid #3b82f6;border-radius:8px;color:#1e40af;font-size:.875rem;margin-bottom:2rem;padding:1rem}.proctoring-sections{grid-gap:1.5rem;display:grid;gap:1.5rem}.proctoring-section{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:1.5rem}.proctoring-section h4{color:#1e293b;font-size:1rem;font-weight:600;margin-bottom:1rem}.checkbox-group{display:flex;flex-direction:column;gap:.75rem}.checkbox-label{align-items:flex-start;border-radius:8px}.checkbox-label:hover{background:#f1f5f9}.checkbox-label .checkmark{display:none}.checkbox-label input[type=checkbox]{accent-color:#3b82f6;height:16px;width:16px}.checkbox-label small{color:#64748b;display:block;font-size:.75rem;line-height:1.4;margin-top:.25rem}.range-value{color:#3b82f6;font-weight:600;margin-left:.5rem}input[type=range]{-webkit-appearance:none;appearance:none;background:#e2e8f0;border-radius:3px;height:6px}input[type=range]::-webkit-slider-thumb{background:#3b82f6;height:18px;width:18px}input[type=range]::-moz-range-thumb{background:#3b82f6;height:18px;width:18px}.add-question-section{background:#f8fafc;border:2px dashed #cbd5e1;border-radius:8px;margin-bottom:2rem;padding:1.5rem}.add-question-section h4{color:#1e293b;font-size:1rem;font-weight:600;margin-bottom:1.5rem}.options-section{margin-top:1rem}.options-section h5{color:#374151;font-size:.875rem;font-weight:600;margin-bottom:1rem}.option-row{align-items:center;display:flex;gap:1rem;margin-bottom:.75rem}.option-row input[type=text]{flex:1 1}.correct-option{align-items:center;color:#16a34a;display:flex;font-size:.8125rem;font-weight:500;gap:.5rem;white-space:nowrap}.correct-option input[type=radio]{accent-color:#16a34a}.questions-list{margin-top:2rem}.questions-list h4{color:#1e293b;font-size:1rem;font-weight:600;margin-bottom:1rem}.no-questions{border:1px solid #e2e8f0;font-size:.875rem;font-style:italic;padding:2rem}.question-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;margin-bottom:1rem;overflow:hidden}.question-header{align-items:center;background:#f1f5f9;border-bottom:1px solid #e2e8f0;display:flex;gap:1rem;padding:1rem}.question-type{background:#3b82f6;border-radius:4px;color:#fff;font-size:.75rem;font-weight:500;padding:.25rem .5rem;text-transform:uppercase}.question-content{padding:1rem}.question-content p{color:#374151;font-size:.875rem;margin-bottom:.5rem}.question-options ul{margin:.5rem 0;padding-left:1.5rem}.question-options li{font-size:.875rem;margin-bottom:.25rem}.question-options li.correct-option{color:#16a34a;font-weight:600}.form-actions{background:#f8fafc;border-top:1px solid #e2e8f0;justify-content:space-between;padding:1.5rem 2rem}.btn{border:1px solid #0000;padding:.75rem 1.5rem}.btn-primary{background:#3b82f6;border-color:#3b82f6}.btn-primary:hover:not(:disabled){background:#2563eb;border-color:#2563eb}.btn-secondary{background:#f8fafc;border-color:#d1d5db;color:#64748b}.btn-secondary:hover:not(:disabled){background:#f1f5f9;color:#374151}.btn-danger{background:#ef4444;border-color:#ef4444}.btn-danger:hover:not(:disabled){background:#dc2626;border-color:#dc2626}.btn-sm{font-size:.75rem;padding:.5rem .75rem}.btn:disabled{transform:none}.ai-badge{background:linear-gradient(45deg,#3b82f6,#1e40af);border-radius:20px;color:#fff;font-size:.75rem;font-weight:500;margin-left:1rem;padding:.25rem .75rem}@media (max-width:768px){.create-exam-container{padding:1rem}.create-exam-header{padding:1.5rem}.create-exam-header h1{font-size:1.5rem}.form-tabs{flex-direction:column}.tab{padding:.75rem 1rem;text-align:center}.tab-content{padding:1.5rem}.form-row{grid-template-columns:1fr}.option-row{align-items:stretch;flex-direction:column}.question-header{flex-wrap:wrap}.form-actions{flex-direction:column;gap:.75rem;padding:1.5rem}.proctoring-sections{gap:1rem}.proctoring-section{padding:1rem}}@media (max-width:480px){.create-exam-container{padding:.5rem}.score-bar{width:150px}.checkbox-label{padding:.5rem}.checkbox-label small{font-size:.6875rem}}.btn:focus-visible,.checkbox-label input:focus-visible,.form-group input:focus-visible,.form-group select:focus-visible,.form-group textarea:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.btn:disabled{position:relative}.btn:disabled:after{animation:button-loading-spinner 1s ease infinite;border:2px solid #0000;border-radius:50%;border-top-color:initial;content:"";height:16px;margin:auto;position:absolute;width:16px}@keyframes button-loading-spinner{0%{transform:rotate(0turn)}to{transform:rotate(1turn)}}.form-group input[required]:invalid{border-color:#ef4444}.form-group input[required]:valid{border-color:#10b981}small{color:#64748b;font-size:.75rem;line-height:1.4}.questions-header{align-items:center;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;margin-bottom:2rem;padding-bottom:1rem}.questions-stats{display:flex;gap:2rem}.stat-item{align-items:center;display:flex;flex-direction:column;gap:.25rem}.stat-label{font-size:.75rem}.stat-value{color:#3b82f6;font-size:1.25rem;font-weight:700}.question-form-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem}.question-controls{display:flex;gap:.75rem}.question-form{display:flex;flex-direction:column}.question-type-group{position:relative}.question-type-select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");background-position:right .5rem center;background-repeat:no-repeat;background-size:1.5em 1.5em;padding-right:2.5rem}.image-upload-section{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:1.5rem}.image-upload-header{margin-bottom:1rem}.image-checkbox{background:none;padding:0}.image-upload-container{margin-top:1rem}.image-upload-area{background:#fff;border:2px dashed #cbd5e1;border-radius:8px;padding:2rem;position:relative;text-align:center;transition:all .2s ease}.image-upload-area:hover{background:#f8faff;border-color:#3b82f6}.image-input{cursor:pointer;height:100%;opacity:0;position:absolute;width:100%}.image-upload-label{align-items:center;cursor:pointer;display:flex;flex-direction:column;gap:1rem}.upload-icon{font-size:2rem}.upload-text{display:flex;flex-direction:column;gap:.25rem}.upload-text strong{color:#1e293b;font-size:1rem}.upload-text span{color:#64748b;font-size:.875rem}.upload-info{color:#64748b;font-size:.75rem}.image-preview-container{display:flex;flex-direction:column;gap:1rem}.image-preview{display:inline-block;max-width:300px;position:relative}.preview-image{border-radius:8px;box-shadow:0 4px 6px -1px #0000001a;height:auto;width:100%}.remove-image-btn{align-items:center;background:#ef4444;border:none;border-radius:50%;box-shadow:0 2px 4px #0000001a;color:#fff;cursor:pointer;display:flex;font-size:.875rem;height:28px;justify-content:center;position:absolute;right:.5rem;top:.5rem;width:28px}.remove-image-btn:hover{background:#dc2626}.alt-text-input{max-width:300px}.options-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1rem}.options-list{display:flex;flex-direction:column;gap:1rem}.option-item{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:1rem}.option-label{color:#374151;font-size:.875rem;font-weight:600;margin-bottom:.5rem}.option-content{align-items:center;display:flex;gap:1rem}.option-input{flex:1 1;margin:0}.correct-option-label{align-items:center;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:6px;cursor:pointer;display:flex;gap:.5rem;padding:.5rem .75rem;white-space:nowrap}.correct-option-label input[type=radio]{accent-color:#16a34a}.correct-indicator{color:#16a34a;font-size:.8125rem;font-weight:500}.remove-option{flex-shrink:0}.question-actions{align-items:center;border-top:1px solid #e2e8f0;justify-content:space-between;padding-top:1rem}.question-preview{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:2rem}.preview-header{align-items:center;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;margin-bottom:1.5rem;padding-bottom:.75rem}.preview-type{background:#3b82f6;border-radius:20px;color:#fff;font-size:.75rem;font-weight:600;padding:.25rem .75rem;text-transform:capitalize}.preview-marks{color:#16a34a;font-size:.875rem;font-weight:600}.preview-image-container{margin-bottom:1.5rem}.preview-question-image{border-radius:8px;box-shadow:0 4px 6px -1px #0000001a;height:auto;max-width:100%}.preview-question{color:#1e293b;font-size:1rem;line-height:1.6;margin-bottom:1.5rem;min-height:1.5rem}.preview-options{display:flex;flex-direction:column;gap:.75rem}.preview-option{background:#f8fafc;border:1px solid #e2e8f0;border-radius:6px;padding:.75rem}.preview-option.correct{background:#f0fdf4;border-color:#bbf7d0;color:#16a34a;font-weight:600}.list-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem}.list-actions{display:flex;gap:.75rem}.no-questions{border-radius:8px}.no-questions-icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.questions-grid{grid-gap:1rem;display:grid;gap:1rem}.question-card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;overflow:hidden;transition:all .2s ease}.question-card:hover{border-color:#cbd5e1;box-shadow:0 4px 6px -1px #0000001a}.question-card-header{align-items:center;background:#f8fafc;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;padding:1rem}.question-meta{align-items:center;display:flex;gap:.75rem}.question-number{color:#3b82f6;font-size:.875rem;font-weight:700}.question-type-badge{background:#3b82f6;border-radius:4px;color:#fff;font-size:.75rem;font-weight:500;padding:.25rem .5rem;text-transform:capitalize}.question-marks{color:#16a34a;font-size:.875rem;font-weight:600}.question-actions{display:flex;gap:.5rem}.question-card-content{padding:1rem}.card-image{margin-bottom:1rem}.question-image{border-radius:6px;box-shadow:0 2px 4px #0000001a;height:auto;max-width:200px;width:100%}.question-text{color:#374151;font-size:.875rem;line-height:1.5;margin-bottom:1rem}.card-options{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1rem}.card-option{align-items:center;background:#f8fafc;border-radius:4px;display:flex;font-size:.8125rem;gap:.5rem;padding:.5rem}.card-option.correct{background:#f0fdf4;color:#16a34a;font-weight:600}.option-letter{font-weight:600;min-width:1.5rem}.option-text{flex:1 1}.correct-mark{color:#16a34a;font-weight:700}.card-answer{background:#f8fafc;border-left:3px solid #3b82f6;border-radius:4px;color:#374151;font-size:.8125rem;padding:.75rem}@media (max-width:768px){.questions-header{align-items:stretch;flex-direction:column;gap:1rem}.questions-stats{justify-content:space-around}.question-form-header{gap:1rem}.option-content,.question-form-header{align-items:stretch;flex-direction:column}.option-content{gap:.75rem}.correct-option-label{justify-content:center}.question-card-header{align-items:stretch;flex-direction:column;gap:.75rem}.question-meta{justify-content:space-between}.question-actions{justify-content:center}}@media (max-width:480px){.image-upload-area{padding:1.5rem 1rem}.preview-header{gap:.5rem}.list-header,.preview-header{align-items:stretch;flex-direction:column}.list-header{gap:1rem}}.mcq-options-section{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;margin-top:1rem;padding:1.5rem}.mcq-options-grid{grid-gap:1rem;display:grid;gap:1rem;margin-top:1rem}.mcq-option-card{background:#fff;border:2px solid #e2e8f0;border-radius:8px;padding:1rem;transition:all .2s ease}.mcq-option-card:hover{border-color:#cbd5e1;box-shadow:0 2px 4px #0000000d}.mcq-option-card:has(input[type=radio]:checked){background:#f0fdf4;border-color:#16a34a}.option-header{align-items:center;display:flex;gap:1rem;justify-content:space-between;margin-bottom:.75rem}.option-identifier{align-items:center;display:flex;gap:.5rem}.option-letter{align-items:center;background:#3b82f6;border-radius:50%;color:#fff;display:flex;flex-shrink:0;font-size:.875rem;font-weight:700;height:32px;justify-content:center;width:32px}.mcq-option-card:has(input[type=radio]:checked) .option-letter{background:#16a34a}.option-controls{align-items:center;display:flex;gap:.75rem}.correct-toggle{align-items:center;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;cursor:pointer;display:flex;font-size:.8125rem;gap:.5rem;padding:.5rem .75rem;transition:all .2s ease}.correct-toggle:hover{background:#e2e8f0}.correct-toggle:has(input[type=radio]:checked){background:#dcfce7;border-color:#16a34a;color:#16a34a}.correct-toggle input[type=radio]{accent-color:#16a34a;margin:0}.correct-label{font-weight:500;white-space:nowrap}.btn-xs{font-size:.6875rem;padding:.25rem .5rem}.option-input-container{width:100%}.mcq-option-input{border:1.5px solid #d1d5db;border-radius:6px;font-family:inherit;font-size:.875rem;line-height:1.5;min-height:60px;padding:.75rem;resize:vertical;transition:border-color .2s ease;width:100%}.mcq-option-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;outline:none}.mcq-option-card:has(input[type=radio]:checked) .mcq-option-input{background:#fefffe;border-color:#16a34a}.question-card.editing{background:#eff6ff;border:2px solid #3b82f6}.question-card.editing .question-card-header{background:#dbeafe}.question-card.editing:before{background:#3b82f6;border-radius:12px;color:#fff;content:"Currently Editing";font-size:.75rem;font-weight:600;left:1rem;padding:.25rem .75rem;position:absolute;top:-10px;z-index:1}.question-card{position:relative}.options-section{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:1.5rem}.no-questions{background:#f8fafc;border:2px dashed #cbd5e1;border-radius:12px;color:#64748b;padding:3rem;text-align:center}.no-questions-text{color:#374151;font-size:1.125rem;font-weight:500;margin-bottom:.5rem}.preview-type,.question-type-badge{font-family:Courier New,monospace;letter-spacing:.5px;min-width:32px;text-align:center}.upload-icon{color:#64748b;font-size:2.5rem;font-weight:300}@media (max-width:768px){.option-header{align-items:stretch;flex-direction:column;gap:.75rem}.option-controls{justify-content:space-between;width:100%}.correct-toggle{flex:1 1;justify-content:center}.mcq-option-input{min-height:80px}.question-actions{flex-wrap:wrap;gap:.5rem}.question-actions button{flex:1 1;min-width:70px}}@media (max-width:480px){.mcq-options-section{padding:1rem}.mcq-option-card{padding:.75rem}.option-letter{font-size:.75rem;height:28px;width:28px}.correct-toggle{font-size:.75rem;padding:.375rem .5rem}.btn-xs{font-size:.625rem;padding:.125rem .375rem}}.correct-toggle:focus-visible,.mcq-option-input:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.question-card.editing{animation:editHighlight .3s ease-in-out}@keyframes editHighlight{0%{box-shadow:0 0 0 0 #3b82f666;transform:scale(1)}50%{box-shadow:0 0 0 8px #3b82f633;transform:scale(1.02)}to{box-shadow:0 0 0 2px #3b82f64d;transform:scale(1)}}.question-actions .btn{font-size:.75rem;min-width:60px;padding:.5rem .75rem}.question-form{gap:1.5rem}.question-form .form-group:last-child{margin-bottom:0}.manage-students-container{background:linear-gradient(135deg,#667eea,#764ba2);font-family:Inter,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;margin:0 auto;max-width:1600px;min-height:100vh;padding:20px}.error-state,.loading-state{align-items:center;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid #ffffff2e;border-radius:20px;box-shadow:0 20px 60px #1f26875e;display:flex;flex-direction:column;justify-content:center;margin:40px 0;min-height:400px;padding:60px 40px}.loading-spinner{border:5px solid #667eea1a;border-top-color:#667eea;height:60px;margin-bottom:30px;width:60px}.loading-features{display:flex;flex-direction:column;gap:10px;margin-top:20px}.feature-item{background:linear-gradient(135deg,#f0f4ff,#e0e7ff);border:1px solid #c7d2fe;border-radius:20px;color:#4c51bf;font-size:.9rem;padding:8px 16px}.error-icon{font-size:4rem;margin-bottom:20px}.error-actions{display:flex;gap:15px;margin-top:30px}.students-header{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fff;border:1px solid #ffffff2e;border-radius:20px;box-shadow:0 20px 60px #1f26875e;margin-bottom:30px;padding:40px}.header-content{align-items:flex-start;gap:25px}.back-button{background:linear-gradient(135deg,#6b7280,#4b5563);border:none;border-radius:12px;color:#fff;cursor:pointer;font-weight:600;padding:12px 24px;transition:all .3s ease;white-space:nowrap}.back-button:hover{background:linear-gradient(135deg,#4b5563,#374151);box-shadow:0 8px 25px #6b728066;transform:translateY(-2px)}.exam-info h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;color:#1f2937;font-size:2.5rem;font-weight:800;margin-bottom:10px}.exam-info h2{color:#374151;font-size:1.8rem;font-weight:600;margin-bottom:15px}.exam-description{color:#6b7280;font-size:1.1rem;line-height:1.7;margin-bottom:20px}.exam-metadata{display:flex;flex-wrap:wrap;gap:20px}.metadata-item{background:linear-gradient(135deg,#f0f4ff,#e0e7ff);border:1px solid #c7d2fe;border-radius:20px;color:#4c51bf;font-size:.9rem;font-weight:500;padding:8px 16px}.alert{align-items:flex-start;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:2px solid #0000;border-radius:16px;display:flex;gap:15px;margin-bottom:25px;padding:20px 25px}.alert-success{background:linear-gradient(135deg,#ecfdf5,#d1fae5);border-color:#10b981;color:#064e3b}.alert-error{background:linear-gradient(135deg,#fef2f2,#fee2e2);border-color:#ef4444;color:#7f1d1d}.alert-icon{flex-shrink:0;font-size:1.5rem}.alert-content strong{display:block;font-weight:700;margin-bottom:5px}.alert-content p{line-height:1.5;margin:0}.statistics-section{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fff;border:1px solid #ffffff2e;border-radius:20px;box-shadow:0 20px 60px #1f26875e;margin-bottom:30px;padding:30px}.statistics-section h3{color:#1f2937;font-size:1.5rem;font-weight:700;margin-bottom:25px}.stats-grid{grid-gap:20px;gap:20px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.stat-card{align-items:center;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:2px solid #0000;border-radius:16px;display:flex;gap:15px;padding:25px 20px;transition:all .3s ease}.stat-card:hover{box-shadow:0 20px 40px #0000001a;transform:translateY(-5px)}.stat-card.total{border-color:#3b82f6}.stat-card.completed{border-color:#10b981}.stat-card.progress{border-color:#f59e0b}.stat-card.pending{border-color:#6b7280}.stat-card.available{border-color:#8b5cf6}.stat-card.flagged{border-color:#ef4444}.stat-icon{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;font-size:2rem;min-width:50px;padding:12px;text-align:center}.stat-card.total .stat-icon{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.stat-card.completed .stat-icon{background:linear-gradient(135deg,#10b981,#059669)}.stat-card.progress .stat-icon{background:linear-gradient(135deg,#f59e0b,#d97706)}.stat-card.pending .stat-icon{background:linear-gradient(135deg,#6b7280,#4b5563)}.stat-card.available .stat-icon{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}.stat-card.flagged .stat-icon{background:linear-gradient(135deg,#ef4444,#dc2626)}.stat-content h3{color:#1f2937;font-size:2rem;font-weight:800;margin-bottom:5px}.stat-content p{color:#374151;font-size:.95rem;font-weight:600;margin-bottom:3px}.stat-content small{color:#6b7280;font-size:.8rem}.students-controls{align-items:center;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fff;border:1px solid #ffffff2e;border-radius:20px;box-shadow:0 20px 60px #1f26875e;justify-content:space-between;margin-bottom:25px;padding:25px 30px}.controls-left,.students-controls{display:flex;flex-wrap:wrap;gap:20px}.controls-left{flex:1 1}.controls-right{align-items:center;display:flex;gap:15px}.search-input-wrapper{min-width:300px;position:relative}.search-icon{color:#6b7280;font-size:1.1rem;left:15px;position:absolute;top:50%;transform:translateY(-50%)}.search-input{background:#f9fafb;border:2px solid #e5e7eb;border-radius:12px;font-size:1rem;padding:12px 15px 12px 45px;transition:all .3s ease;width:100%}.search-input:focus{background:#fff;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a;outline:none}.filter-select,.sort-select{background:#f9fafb;border:2px solid #e5e7eb;border-radius:12px;color:#374151;cursor:pointer;font-size:.95rem;font-weight:500;min-width:150px;padding:12px 15px;transition:all .3s ease}.filter-select:focus,.sort-select:focus{background:#fff;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a;outline:none}.view-toggle{border:2px solid #e5e7eb;border-radius:12px;display:flex;overflow:hidden}.view-btn{background:#f9fafb;border:none;color:#6b7280;cursor:pointer;font-size:1.2rem;padding:10px 15px;transition:all .2s ease}.view-btn.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.view-btn:hover:not(.active){background:#e5e7eb}.selection-summary{align-items:center;background:linear-gradient(135deg,#f0f4ff,#e0e7ff);border:2px solid #c7d2fe;border-radius:12px;display:flex;gap:15px;padding:10px 20px}.selection-count{color:#4c51bf;font-size:.9rem;font-weight:600}.students-content{display:flex;flex-direction:column;gap:30px}.students-section{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fff;border:1px solid #ffffff2e;border-radius:20px;box-shadow:0 20px 60px #1f26875e;overflow:hidden}.section-header{align-items:flex-start;display:flex;justify-content:space-between;margin-bottom:25px;padding:30px 30px 0}.section-title h2{color:#1f2937;font-size:1.8rem;font-weight:700;margin-bottom:8px}.section-title p{color:#6b7280;font-size:1rem;line-height:1.6}.section-actions{display:flex;gap:10px}.students-display.grid-view .students-grid{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));padding:0 30px 30px}.student-card{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:2px solid #e5e7eb;border-radius:16px;cursor:pointer;padding:25px;transition:all .3s ease}.student-card:hover{border-color:#667eea;box-shadow:0 20px 40px #0000001a;transform:translateY(-5px)}.student-card.assigned{cursor:default}.student-card.selected{background:linear-gradient(135deg,#f0f4ff,#e0e7ff);border-color:#667eea;box-shadow:0 10px 30px #667eea33}.student-card.flagged{background:linear-gradient(135deg,#fffbeb,#fef3c7);border-color:#f59e0b}.card-header{gap:15px;margin-bottom:20px}.card-header,.student-avatar{align-items:center;display:flex}.student-avatar{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;color:#fff;flex-shrink:0;font-size:1.2rem;font-weight:700;height:50px;justify-content:center;width:50px}.student-basic-info{flex:1 1}.student-name{color:#1f2937;font-size:1.2rem;font-weight:600;margin-bottom:5px}.student-email{color:#6b7280;font-size:.9rem;margin:0}.student-status{align-items:center;border-radius:20px;display:flex;font-size:.8rem;font-weight:600;gap:5px;padding:8px 12px;white-space:nowrap}.student-status.status-completed{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid #10b981;color:#065f46}.student-status.status-progress{background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #f59e0b;color:#92400e}.student-status.status-pending{background:linear-gradient(135deg,#f1f5f9,#e2e8f0);border:1px solid #6b7280;color:#475569}.selection-indicator{font-size:1.5rem}.selected-check{color:#10b981}.unselected-check{color:#d1d5db}.submission-summary{background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:15px;padding:20px}.summary-grid{grid-gap:15px;display:grid;gap:15px;grid-template-columns:repeat(2,1fr);margin-bottom:15px}.summary-item{display:flex;flex-direction:column;gap:5px}.item-label{color:#6b7280;font-size:.8rem;font-weight:500}.item-value{color:#1f2937;font-size:.95rem;font-weight:600}.item-value.passed{color:#10b981}.item-value.failed{color:#ef4444}.item-value.risk{display:flex;flex-direction:column;gap:2px}.item-value.risk.risk-high{color:#ef4444}.item-value.risk.risk-medium{color:#f59e0b}.item-value.risk.risk-low{color:#3b82f6}.item-value.risk.risk-minimal{color:#10b981}.item-value small{color:#6b7280;font-size:.75rem;font-weight:400}.flagged-behaviors{border-top:1px solid #e5e7eb;margin-top:15px;padding-top:15px}.behaviors-label{color:#f59e0b;display:block;font-size:.85rem;font-weight:600;margin-bottom:8px}.behaviors-tags{display:flex;flex-wrap:wrap;gap:6px}.behavior-tag{background:linear-gradient(135deg,#fef3c7,#fbbf24);border:1px solid #f59e0b;border-radius:15px;color:#92400e;font-size:.75rem;font-weight:500;padding:4px 10px;text-transform:capitalize}.behavior-more{align-self:center;color:#6b7280;font-size:.75rem;font-style:italic}.review-notice{align-items:center;background:linear-gradient(135deg,#fef3c7,#fde68a);border:2px solid #f59e0b;border-radius:10px;display:flex;gap:8px;margin-top:15px;padding:10px 15px}.notice-icon{color:#d97706;font-size:1.1rem}.notice-text{color:#92400e;font-size:.85rem;font-weight:600}.no-submission{background:#f9fafb;border:1px dashed #d1d5db;border-radius:10px;margin-bottom:15px;padding:20px;text-align:center}.no-submission-text{color:#6b7280;font-size:.9rem;font-style:italic}.ai-features-preview{background:linear-gradient(135deg,#f0f4ff,#e0e7ff);border:1px solid #c7d2fe;border-radius:10px;margin-bottom:15px;padding:15px}.feature-list{display:flex;flex-wrap:wrap;gap:8px}.ai-features-preview .feature-item{background:#fff;border:1px solid #a5b4fc;border-radius:12px;color:#4c51bf;font-size:.75rem;font-weight:500;padding:4px 10px}.selection-hint{background:#f9fafb;border:1px dashed #d1d5db;border-radius:8px;padding:10px;text-align:center}.hint-text{color:#6b7280;font-size:.85rem;font-weight:500}.student-card.selected .hint-text{color:#4c51bf;font-weight:600}.card-actions{display:flex;gap:10px;justify-content:flex-end}.students-table-container{overflow-x:auto;padding:0 30px 30px}.students-table{background:#fff;border-collapse:collapse;border-radius:12px;box-shadow:0 4px 20px #00000014;overflow:hidden;width:100%}.students-table th{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-bottom:2px solid #e5e7eb;color:#374151;font-size:.9rem;font-weight:700;padding:18px 15px;text-align:left}.students-table td{border-bottom:1px solid #f1f5f9;padding:18px 15px;vertical-align:middle}.students-table tr:hover:not(.available-row){background:#f8fafc}.available-row{cursor:pointer;transition:all .2s ease}.available-row:hover{background:linear-gradient(135deg,#f0f4ff,#e0e7ff)}.available-row.selected{background:linear-gradient(135deg,#e0e7ff,#c7d2fe)}.flagged-row{background:linear-gradient(135deg,#fffbeb,#fef3c7)}.flagged-row:hover{background:linear-gradient(135deg,#fef3c7,#fde68a)}.student-info{align-items:center;display:flex;gap:12px}.student-avatar-sm{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;color:#fff;display:flex;flex-shrink:0;font-size:.9rem;font-weight:700;height:35px;justify-content:center;width:35px}.student-info strong{color:#1f2937;display:block;font-size:.95rem;margin-bottom:3px}.student-info small{color:#6b7280;font-size:.8rem}.status-badge{align-items:center;border-radius:20px;display:inline-flex;font-size:.8rem;font-weight:600;gap:5px;justify-content:center;min-width:100px;padding:6px 12px;text-align:center}.status-badge.ready{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid #10b981;color:#065f46}.score-display{text-align:center}.score-percentage{color:#1f2937;display:block;font-size:1.1rem;font-weight:700;margin-bottom:2px}.score-display small{color:#6b7280;font-size:.8rem}.risk-display{border-radius:8px;padding:8px 12px;text-align:center}.risk-score{display:block;font-size:1.1rem;font-weight:700;margin-bottom:2px}.risk-display small{font-size:.75rem;font-weight:500;letter-spacing:.5px;text-transform:uppercase}.risk-display.risk-high{background:linear-gradient(135deg,#fee2e2,#fecaca);border:1px solid #ef4444}.risk-display.risk-high .risk-score{color:#dc2626}.risk-display.risk-high small{color:#991b1b}.risk-display.risk-medium{background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #f59e0b}.risk-display.risk-medium .risk-score{color:#d97706}.risk-display.risk-medium small{color:#92400e}.risk-display.risk-low{background:linear-gradient(135deg,#dbeafe,#bfdbfe);border:1px solid #3b82f6}.risk-display.risk-low .risk-score{color:#1d4ed8}.risk-display.risk-low small{color:#1e40af}.risk-display.risk-minimal{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid #10b981}.risk-display.risk-minimal .risk-score{color:#059669}.risk-display.risk-minimal small{color:#047857}.behaviors-cell{max-width:200px}.behaviors-summary{display:flex;flex-wrap:wrap;gap:4px;max-width:180px}.behavior-tag-sm{background:linear-gradient(135deg,#fef3c7,#fbbf24);border:1px solid #f59e0b;border-radius:12px;color:#92400e;font-weight:500;padding:3px 8px;text-transform:capitalize}.behavior-tag-sm,.behaviors-count{font-size:.7rem;white-space:nowrap}.behaviors-count{align-self:center;color:#6b7280;font-style:italic}.action-buttons{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.btn{border-radius:12px;font-size:.9rem;gap:8px;padding:10px 20px;transition:all .3s ease;white-space:nowrap}.btn:hover{box-shadow:0 8px 25px #00000026;transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2)}.btn-primary:hover{background:linear-gradient(135deg,#5a6fd8,#6a4190)}.btn-secondary{background:linear-gradient(135deg,#6b7280,#4b5563)}.btn-secondary:hover{background:linear-gradient(135deg,#4b5563,#374151)}.btn-success{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.btn-success:hover{background:linear-gradient(135deg,#059669,#047857)}.btn-warning{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.btn-warning:hover{background:linear-gradient(135deg,#d97706,#b45309)}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.btn-danger:hover{background:linear-gradient(135deg,#dc2626,#b91c1c)}.btn-outline{background:#0000;border:2px solid #667eea;color:#667eea}.btn-outline:hover{background:#667eea;color:#fff}.btn-sm{font-size:.8rem;padding:6px 12px}.btn-lg{font-size:1.1rem;font-weight:700;padding:15px 30px}.btn-disabled{background:#e5e7eb;color:#9ca3af;cursor:not-allowed}.btn-disabled:hover{box-shadow:none;transform:none}.empty-state{background:#fff;border:2px dashed #d1d5db;border-radius:16px;margin:20px;padding:60px 30px;text-align:center}.empty-icon{font-size:4rem;margin-bottom:20px;opacity:.6}.empty-state h3{color:#374151;font-size:1.3rem;font-weight:600;margin-bottom:15px}.empty-state p{color:#6b7280;font-size:1rem;line-height:1.6;margin-bottom:25px}.bulk-actions-panel{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fff;border:2px solid #c7d2fe;border-radius:16px;box-shadow:0 8px 32px #1f26875e;flex-wrap:wrap;justify-content:space-between;margin-bottom:20px;padding:20px 25px}.bulk-actions-panel,.bulk-info{align-items:center;display:flex;gap:15px}.bulk-count{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;color:#fff;font-size:.9rem;font-weight:700;padding:8px 16px}.bulk-description{color:#374151;font-weight:500}.bulk-actions{display:flex;flex-wrap:wrap;gap:10px}.ai-proctoring-panel{background:linear-gradient(135deg,#f0f4ff,#e0e7ff);border:2px solid #c7d2fe;border-radius:16px;margin-bottom:25px;padding:25px}.panel-header{align-items:center;display:flex;gap:15px;margin-bottom:20px}.panel-icon{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;font-size:2rem;padding:10px}.panel-title h3{color:#1f2937;font-size:1.4rem;font-weight:700;margin-bottom:5px}.panel-title p{color:#6b7280;font-size:.95rem;margin:0}.ai-features-grid{grid-gap:15px;display:grid;gap:15px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.ai-feature-card{background:#fff;border:1px solid #c7d2fe;border-radius:12px;padding:20px;transition:all .3s ease}.ai-feature-card:hover{box-shadow:0 8px 25px #667eea33;transform:translateY(-3px)}.feature-header{align-items:center;display:flex;gap:10px;margin-bottom:12px}.feature-icon{color:#667eea;font-size:1.5rem}.feature-name{color:#1f2937;font-size:1rem;font-weight:600}.feature-description{color:#6b7280;font-size:.9rem;line-height:1.5;margin-bottom:15px}.feature-status{align-items:center;border-radius:20px;display:flex;font-size:.8rem;font-weight:600;gap:8px;padding:6px 12px}.feature-status.enabled{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid #10b981;color:#065f46}.feature-status.disabled{background:linear-gradient(135deg,#f1f5f9,#e2e8f0);border:1px solid #6b7280;color:#475569}.progress-bar{background:#e5e7eb;border-radius:4px;height:8px;overflow:hidden;width:100%}.progress-fill{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:4px;height:100%;transition:width .3s ease}.progress-fill.success{background:linear-gradient(135deg,#10b981,#059669)}.progress-fill.warning{background:linear-gradient(135deg,#f59e0b,#d97706)}.progress-fill.danger{background:linear-gradient(135deg,#ef4444,#dc2626)}.tooltip-container{display:inline-block;position:relative}.tooltip{background:#1f2937;border-radius:8px;bottom:125%;color:#fff;font-size:.8rem;font-weight:500;opacity:0;padding:8px 12px;transition:all .3s ease;visibility:hidden;white-space:nowrap;z-index:1000}.tooltip,.tooltip:after{left:50%;position:absolute;transform:translateX(-50%)}.tooltip:after{border:5px solid #0000;border-top-color:#1f2937;content:"";top:100%}.tooltip-container:hover .tooltip{opacity:1;visibility:visible}@media (max-width:1200px){.students-display.grid-view .students-grid{grid-template-columns:repeat(auto-fill,minmax(350px,1fr))}}@media (max-width:768px){.manage-students-container{padding:15px}.header-content{flex-direction:column;gap:15px}.students-controls{align-items:stretch;flex-direction:column}.controls-left{flex-direction:column;gap:15px}.controls-right{justify-content:space-between}.search-input-wrapper{min-width:auto}.students-display.grid-view .students-grid{grid-template-columns:1fr;padding:0 20px 20px}.stats-grid{grid-template-columns:repeat(2,1fr)}.student-card{padding:20px}.card-header{flex-direction:column;gap:10px;text-align:center}.summary-grid{grid-template-columns:1fr}.bulk-actions-panel{align-items:stretch;flex-direction:column;text-align:center}.bulk-actions{justify-content:center}.ai-features-grid{grid-template-columns:1fr}.students-table-container{padding:0 20px 20px}.students-table{font-size:.8rem}.students-table td,.students-table th{padding:12px 8px}.action-buttons{flex-direction:column;gap:5px}.btn{font-size:.8rem;padding:8px 15px}}@media (max-width:480px){.stats-grid{grid-template-columns:1fr}.stat-card{flex-direction:column;gap:10px;text-align:center}.student-avatar{font-size:1rem;height:40px;width:40px}.student-avatar-sm{font-size:.8rem;height:30px;width:30px}.exam-metadata{flex-direction:column;gap:10px}.view-toggle{width:100%}.view-btn{flex:1 1}.selection-summary{flex-direction:column;gap:10px;text-align:center}}@keyframes slideIn{0%{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.fade-in{animation:fadeIn .6s ease-out}.slide-in{animation:slideIn .4s ease-out}.scale-in{animation:scaleIn .3s ease-out}@media print{.manage-students-container{background:#fff;box-shadow:none}.back-button,.btn,.bulk-actions-panel,.students-controls{display:none}.student-card,.students-section{border:1px solid #e5e7eb;box-shadow:none}.student-card{break-inside:avoid;page-break-inside:avoid}}.students-table-container::-webkit-scrollbar{height:8px}.students-table-container::-webkit-scrollbar-track{background:#f1f5f9;border-radius:4px}.students-table-container::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:4px}.students-table-container::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,#5a6fd8,#6a4190)}.student-card.selected{animation:selectionPulse .5s ease-out}@keyframes selectionPulse{0%{box-shadow:0 10px 30px #667eea33;transform:scale(1)}50%{box-shadow:0 15px 40px #667eea66;transform:scale(1.02)}to{box-shadow:0 10px 30px #667eea33;transform:scale(1)}}.student-card.loading{animation:shimmer 2s ease-in-out infinite;background:linear-gradient(-45deg,#f8fafc,#e2e8f0,#f8fafc,#e2e8f0);background-size:400% 400%}@keyframes shimmer{0%{background-position:0 50%}50%{background-position:100% 50%}to{background-position:0 50%}}.alert{animation:slideInTop .5s ease-out}@keyframes slideInTop{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.btn:focus,.filter-select:focus,.search-input:focus,.sort-select:focus{outline:2px solid #667eea;outline-offset:2px}.student-card:focus{outline:3px solid #667eea;outline-offset:3px}@media (prefers-contrast:high){.student-card{border-width:3px}.btn{border:2px solid}.status-badge{border-width:2px}}@media (prefers-reduced-motion:reduce){*,:after,:before{transition-duration:.01ms!important}.loading-spinner{animation:none;border:5px solid #667eea;border-top-color:#0000}}.edit-exam-container{background:#f8f9fa;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;margin:0 auto;max-width:1200px;min-height:100vh;padding:2rem}.page-header{background:#fff;border-left:4px solid #ffc107;border-radius:12px;box-shadow:0 2px 10px #00000014;margin-bottom:2rem;padding:2rem}.header-content{display:flex;flex-direction:column;gap:1rem}.back-btn{align-items:center;align-self:flex-start;background:none;border:none;color:#007bff;cursor:pointer;display:flex;font-size:1rem;gap:.5rem;padding:.5rem 0;transition:color .2s ease}.back-btn:hover{color:#0056b3;text-decoration:underline}.page-header h1{color:#2c3e50;font-size:2.25rem;font-weight:700;margin:0}.exam-title{color:#fff;font-size:1.5rem;margin:0}.alert{border-radius:8px;font-weight:500;margin-bottom:1.5rem;padding:1rem 1.5rem}.alert-error{background:#f8d7da;border:1px solid #f5c6cb;color:#721c24}.alert-success{background:#d4edda;border:1px solid #c3e6cb;color:#155724}.edit-exam-form{background:#fff;border-radius:12px;box-shadow:0 2px 10px #00000014;overflow:hidden}.form-tabs{background:#f8f9fa;border-bottom:1px solid #e9ecef;display:flex}.tab{background:#0000;border:none;border-bottom:3px solid #0000;color:#6c757d;cursor:pointer;flex:1 1;font-weight:600;padding:1.25rem 2rem;transition:all .2s ease}.tab:hover{background:#e9ecef;color:#495057}.tab.active{background:#fff;border-bottom-color:#007bff;color:#007bff}.tab-content{padding:2rem}.form-section{margin-bottom:2rem}.form-section:last-child{margin-bottom:0}.form-section h3{color:#2c3e50;font-size:1.5rem;font-weight:600;margin-bottom:1rem}.section-description{color:#6c757d;line-height:1.6;margin-bottom:2rem}.form-group{margin-bottom:1.5rem}.form-group label{color:#495057;font-weight:600;margin-bottom:.5rem}.form-group input,.form-group select,.form-group textarea{background:#fff;border:2px solid #e9ecef;border-radius:8px;font-size:1rem;padding:.75rem;transition:border-color .2s ease,box-shadow .2s ease;width:100%}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#007bff;box-shadow:0 0 0 3px #007bff1a;outline:none}.form-group textarea{min-height:100px;resize:vertical}.form-row{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.proctoring-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.proctoring-group{background:#f8f9fa;border:1px solid #e9ecef;border-radius:10px;padding:1.5rem}.proctoring-group h4{border-bottom:2px solid #007bff;color:#2c3e50;font-size:1.125rem;font-weight:600;margin-bottom:1rem;padding-bottom:.5rem}.checkbox-label{align-items:center;background:#fff;border-radius:6px;cursor:pointer;display:flex;gap:.75rem;margin-bottom:1rem;padding:.75rem;position:relative;transition:background-color .2s ease}.checkbox-label:hover{background:#e3f2fd}.checkbox-label input[type=checkbox]{accent-color:#007bff;cursor:pointer;margin:0;width:auto}.checkmark{background:#fff;border:2px solid #007bff;border-radius:4px;height:1.25rem;position:relative;transition:all .2s ease;width:1.25rem}.checkbox-label input[type=checkbox]:checked+.checkmark{background:#007bff}.checkbox-label input[type=checkbox]:checked+.checkmark:after{color:#fff;content:"✓";font-size:.875rem;font-weight:700;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%)}input[type=range]{background:#e9ecef;border-radius:4px;height:8px;margin:.5rem 0;outline:none;width:100%}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:#007bff;border-radius:50%;box-shadow:0 2px 6px #007bff4d;cursor:pointer;height:20px;width:20px}input[type=range]::-moz-range-thumb{background:#007bff;border:none;border-radius:50%;box-shadow:0 2px 6px #007bff4d;cursor:pointer;height:20px;width:20px}.form-actions{background:#fafafa;border-top:1px solid #e9ecef;display:flex;gap:1rem;padding:2rem}.btn,.form-actions{justify-content:center}.btn{align-items:center;border:none;border-radius:8px;cursor:pointer;display:inline-flex;font-size:.875rem;font-weight:600;gap:.5rem;min-width:140px;padding:.75rem 2rem;text-decoration:none;transition:all .2s ease}.btn-primary{background:#007bff;border:2px solid #007bff;color:#fff}.btn-primary:hover:not(:disabled){background:#0056b3;border-color:#0056b3;box-shadow:0 4px 12px #007bff4d;transform:translateY(-1px)}.btn-secondary{background:#6c757d;border:2px solid #6c757d;color:#fff}.btn-secondary:hover:not(:disabled){background:#545b62;border-color:#545b62;transform:translateY(-1px)}.btn:disabled{box-shadow:none!important;cursor:not-allowed;opacity:.6;transform:none!important}.error-state,.loading-state{background:#fff;border-radius:12px;box-shadow:0 2px 10px #00000014;padding:4rem 2rem;text-align:center}.loading-spinner{border:4px solid #e9ecef;border-top-color:#007bff;margin:0 auto 1.5rem}.error-state h2,.loading-state h2{color:#2c3e50;font-size:1.5rem;margin-bottom:1rem}.error-state p{color:#6c757d;margin-bottom:2rem}@media (max-width:768px){.edit-exam-container{padding:1rem}.page-header{padding:1.5rem}.page-header h1{font-size:1.75rem}.tab-content{padding:1.5rem}.form-row,.proctoring-grid{grid-template-columns:1fr}.form-actions{flex-direction:column-reverse;padding:1.5rem}.btn{justify-content:center;width:100%}.form-tabs{flex-direction:column}.tab{border-bottom:1px solid #e9ecef;border-right:none}.tab.active{border-bottom-color:#e9ecef;border-left:3px solid #007bff}}@media (max-width:480px){.checkbox-label{align-items:flex-start;flex-direction:column;gap:.5rem}.proctoring-group{padding:1rem}}.btn:focus,.checkbox-label:focus-within,.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid #007bff;outline-offset:2px}.tab:focus{outline:2px solid #007bff;outline-offset:-2px}@media (prefers-contrast:high){.form-group input,.form-group select,.form-group textarea{border-width:3px}.checkbox-label{border:1px solid}}@media (prefers-reduced-motion:reduce){.btn,.checkbox-label,.form-group input,.form-group textarea,.loading-spinner{animation:none;transition:none}}@media print{.edit-exam-container{background:#fff;box-shadow:none}.back-btn,.form-actions{display:none}}.profile-page{background:linear-gradient(135deg,#f8fafc,#e2e8f0);min-height:100vh;padding:0}.profile-loading{align-items:center;display:flex;flex-direction:column;gap:1rem;justify-content:center;min-height:60vh}.loading-spinner{animation:spin 1s ease-out infinite;border:4px solid #e2e8f0;border-radius:50%;border-top-color:#3b82f6;height:50px;width:50px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.profile-header{margin-bottom:2rem;position:relative}.profile-banner{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;height:300px;justify-content:center;overflow:hidden;position:relative}.banner-gradient{background:linear-gradient(135deg,#667eeae6,#764ba2e6);bottom:0;left:0;position:absolute;right:0;top:0}.profile-header-content{align-items:center;display:flex;gap:2rem;max-width:1200px;padding:0 2rem;position:relative;width:100%;z-index:2}.profile-avatar-large{align-items:center;background:linear-gradient(135deg,#10b981,#3b82f6);border:4px solid #ffffff4d;border-radius:50%;box-shadow:0 8px 32px #0003;color:#fff;display:flex;font-size:2.5rem;font-weight:800;height:120px;justify-content:center;width:120px}.profile-header-info{flex:1 1}.profile-title{color:#fff;font-size:2.5rem;font-weight:800;margin:0 0 .5rem;text-shadow:0 2px 4px #0003}.profile-role-badge{border-radius:20px;box-shadow:0 2px 8px #0003;color:#fff;display:inline-block;font-size:.875rem;font-weight:600;letter-spacing:.025em;margin-bottom:.5rem;padding:.5rem 1rem;text-transform:uppercase}.profile-email{color:#ffffffe6;font-size:1.125rem;font-weight:500;margin:0}.profile-actions{display:flex;flex-direction:column;gap:1rem}.edit-btn,.save-btn,.security-btn{align-items:center;border:none;border-radius:12px;cursor:pointer;display:flex;font-size:.875rem;font-weight:600;gap:.5rem;justify-content:center;min-width:150px;padding:.75rem 1.5rem;transition:all .3s ease}.edit-btn.primary,.save-btn.primary{background:#ffffffe6;color:#1e293b}.edit-btn.primary:hover,.save-btn.primary:hover{background:#fff;box-shadow:0 4px 12px #0003;transform:translateY(-1px)}.edit-btn.cancel{background:#ef4444e6;color:#fff}.edit-btn.cancel:hover{background:#dc2626}.profile-content{margin:0 auto;max-width:1200px;padding:0 2rem 2rem}.profile-grid{grid-gap:2rem;display:grid;gap:2rem}.profile-section{background:#fff;border:1px solid #0000000d;border-radius:20px;box-shadow:0 4px 20px #0000000d;overflow:hidden}.section-header{border-bottom:1px solid #f1f5f9;padding:2rem 2rem 1rem}.section-header h2{font-size:1.5rem;gap:.5rem}.section-header p{font-size:.875rem}.form-grid,.info-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.form-field,.info-item{display:flex;flex-direction:column;gap:.5rem}.form-field.full-width,.info-item.full-width{grid-column:1/-1}.form-field label,.info-item label{color:#374151;font-size:.875rem;font-weight:600;letter-spacing:.025em;text-transform:uppercase}.form-field input,.form-field textarea{border:2px solid #e2e8f0;border-radius:12px;font-family:inherit;font-size:.875rem;padding:.875rem 1rem;transition:all .3s ease}.form-field input:focus,.form-field textarea:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;outline:none}.info-item span{border-bottom:1px solid #f1f5f9;color:#1e293b;font-weight:500;padding:.875rem 0}.stats-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.stat-item{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:1px solid #e2e8f0;border-radius:16px;padding:1.5rem;text-align:center}.stat-value{color:#1e293b;font-size:2rem;font-weight:800;margin-bottom:.5rem}.stat-label{color:#64748b;font-size:.875rem;font-weight:500;letter-spacing:.025em;text-transform:uppercase}.security-grid{grid-gap:1.5rem;display:grid;gap:1.5rem}.security-item{align-items:center;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:1px solid #e2e8f0;border-radius:16px;display:flex;justify-content:space-between;padding:1.5rem}.security-info h3{color:#1e293b;font-size:1rem;font-weight:600;margin:0 0 .25rem}.security-info p{color:#64748b;font-size:.875rem;margin:0}.security-btn{background:#3b82f6;color:#fff;min-width:120px}.security-btn:hover{background:#2563eb;box-shadow:0 4px 12px #3b82f64d;transform:translateY(-1px)}.security-btn.secondary{background:#e2e8f0;color:#64748b}.security-btn.secondary:hover{background:#cbd5e1;color:#475569}@media (max-width:1024px){.profile-header-content{flex-direction:column;gap:1.5rem;text-align:center}.profile-actions{flex-direction:row;justify-content:center}.profile-avatar-large{font-size:2rem;height:100px;width:100px}.profile-title{font-size:2rem}}@media (max-width:768px){.profile-content{padding:0 1rem 2rem}.section-content{padding:1.5rem}.form-grid,.info-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.security-item{gap:1rem;text-align:center}.profile-actions,.security-item{flex-direction:column}}@media (max-width:480px){.profile-banner{height:250px}.profile-header-content{padding:0 1rem}.profile-avatar-large{font-size:1.5rem;height:80px;width:80px}.profile-title{font-size:1.5rem}.stats-grid{grid-template-columns:1fr}}.settings-page{background:linear-gradient(135deg,#f8fafc,#e2e8f0);min-height:100vh;padding:2rem 0}.settings-header{margin:0 auto 3rem;max-width:1200px;padding:0 2rem;text-align:center}.settings-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;color:#1e293b;font-size:3rem;font-weight:800;margin:0 0 1rem}.settings-header p{color:#64748b;font-size:1.25rem;font-weight:500;margin:0}.settings-content{margin:0 auto;max-width:1200px;padding:0 2rem}.settings-grid{grid-gap:2rem;display:grid;gap:2rem;margin-bottom:3rem}.settings-section{background:#fff;border:1px solid #0000000d;border-radius:24px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;overflow:hidden;transition:all .3s ease}.settings-section:hover{box-shadow:0 25px 50px -12px #00000026;transform:translateY(-2px)}.section-header{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-bottom:1px solid #e2e8f0;padding:2rem}.section-header h2{align-items:center;color:#1e293b;display:flex;font-size:1.75rem;font-weight:700;gap:.75rem;margin:0 0 .5rem}.section-header p{color:#64748b;font-size:1rem;font-weight:500;margin:0}.section-content{padding:2rem}.setting-item{align-items:center;border-bottom:1px solid #f1f5f9;display:flex;justify-content:space-between;padding:1.5rem 0;transition:all .2s ease}.setting-item:last-child{border-bottom:none}.setting-item:hover{background:linear-gradient(135deg,#39434d,#7b8d9e);border-radius:12px;margin:0 -2rem;padding-left:2rem;padding-right:2rem}.setting-info{flex:1 1;margin-right:2rem}.setting-info h3{color:#1e293b;font-size:1.125rem;font-weight:700;margin:0 0 .375rem}.setting-info p{color:#64748b;font-size:.875rem;line-height:1.4;margin:0}.toggle{cursor:pointer;display:inline-block;height:34px;position:relative;width:60px}.toggle input{height:0;opacity:0;position:absolute;width:0}.toggle-slider{background:#cbd5e1;border:2px solid #e2e8f0;border-radius:34px;bottom:0;left:0;right:0;top:0}.toggle-slider,.toggle-slider:before{position:absolute;transition:all .3s ease}.toggle-slider:before{background:#fff;border-radius:50%;box-shadow:0 2px 4px #0003;content:"";height:24px;left:3px;top:3px;width:24px}.toggle input:checked+.toggle-slider{background:linear-gradient(135deg,#10b981,#059669);border-color:#10b981}.toggle input:checked+.toggle-slider:before{background:#fff;transform:translateX(24px)}.toggle:hover .toggle-slider{box-shadow:0 0 0 3px #10b9811a}.setting-select{background:#fff;border:2px solid #e2e8f0;border-radius:12px;color:#374151;cursor:pointer;font-family:inherit;font-size:.875rem;font-weight:600;min-width:140px;padding:.75rem 1rem;transition:all .3s ease}.setting-select:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;outline:none}.setting-select:hover{background:#36414c;border-color:#cbd5e1}.settings-actions{background:#fff;border:1px solid #0000000d;border-radius:20px;box-shadow:0 4px 20px #0000000d;display:flex;gap:1.5rem;justify-content:center;padding:2rem}.reset-settings-btn,.save-settings-btn{align-items:center;border:none;border-radius:16px;cursor:pointer;display:flex;font-size:1rem;font-weight:700;gap:.5rem;justify-content:center;letter-spacing:.025em;min-width:180px;padding:1rem 2rem;text-transform:uppercase;transition:all .3s ease}.save-settings-btn{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.save-settings-btn:hover{box-shadow:0 10px 20px #10b9814d;transform:translateY(-2px)}.reset-settings-btn{background:linear-gradient(135deg,#f1f5f9,#e2e8f0);border:2px solid #e2e8f0;color:#64748b}.reset-settings-btn:hover{background:linear-gradient(135deg,#e2e8f0,#cbd5e1);border-color:#cbd5e1;color:#475569;transform:translateY(-1px)}.settings-section:has(.section-header h2:contains("🤖")){background:linear-gradient(135deg,#3b82f605,#9333ea05);border:2px solid #3b82f61a}.settings-section:has(.section-header h2:contains("🤖")) .section-header{background:linear-gradient(135deg,#3b82f60d,#9333ea0d)}.settings-section:has(.section-header h2:contains("🔔")){border:2px solid #10b9811a}.settings-section:has(.section-header h2:contains("🔔")) .section-header{background:linear-gradient(135deg,#10b9810d,#0596690d)}.settings-section:has(.section-header h2:contains("🔒")){border:2px solid #ef44441a}.settings-section:has(.section-header h2:contains("🔒")) .section-header{background:linear-gradient(135deg,#ef44440d,#dc26260d)}@media (max-width:1024px){.settings-header h1{font-size:2.5rem}.settings-content{padding:0 1.5rem}.setting-item{align-items:flex-start;flex-direction:column;gap:1rem}.setting-info{margin-right:0}.settings-actions{flex-direction:column;gap:1rem}.reset-settings-btn,.save-settings-btn{width:100%}}@media (max-width:768px){.settings-page{padding:1rem 0}.settings-header{margin-bottom:2rem;padding:0 1rem}.settings-header h1{font-size:2rem}.settings-content{padding:0 1rem}.section-header{padding:1.5rem}.section-header h2{font-size:1.5rem}.section-content{padding:1.5rem}.setting-item:hover{margin:0 -1.5rem;padding-left:1.5rem;padding-right:1.5rem}.settings-actions{padding:1.5rem}}@media (max-width:480px){.settings-header h1{font-size:1.75rem}.section-header h2{align-items:flex-start;flex-direction:column;font-size:1.25rem;gap:.5rem}.toggle{height:28px;width:50px}.toggle-slider:before{height:20px;width:20px}.toggle input:checked+.toggle-slider:before{transform:translateX(20px)}.setting-select{margin-top:.5rem;width:100%}}.reset-settings-btn:focus-visible,.save-settings-btn:focus-visible,.setting-select:focus,.toggle:focus-within .toggle-slider{outline:2px solid #3b82f6;outline-offset:2px}.save-settings-btn.saving{overflow:hidden;position:relative}.save-settings-btn.saving:after{animation:saving 2s infinite;background:linear-gradient(90deg,#0000,#ffffff4d,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;width:100%}@keyframes saving{0%{left:-100%}to{left:100%}}.ai-proctoring-indicator{align-items:center;background:linear-gradient(135deg,#3b82f61a,#9333ea1a);border-radius:12px;color:#3b82f6;display:inline-flex;font-size:.75rem;font-weight:700;gap:.5rem;letter-spacing:.025em;margin-left:1rem;padding:.25rem .75rem;text-transform:uppercase}.ai-proctoring-indicator:before{content:"🤖";font-size:.875rem}.security-badge{align-items:center;background:linear-gradient(135deg,#ef44441a,#dc26261a);border-radius:8px;color:#dc2626;display:inline-flex;font-size:.625rem;font-weight:700;gap:.25rem;letter-spacing:.025em;padding:.125rem .5rem;text-transform:uppercase}.security-badge:before{content:"🔒";font-size:.75rem}.change-password-page{align-items:center;background:linear-gradient(135deg,#f8fafc,#e2e8f0);display:flex;justify-content:center;min-height:100vh;padding:2rem 0}.change-password-container{margin:0 auto;max-width:600px;padding:0 2rem;width:100%}.change-password-header{margin-bottom:3rem;text-align:center}.change-password-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;color:#1e293b;font-size:2.5rem;font-weight:800;margin:0 0 1rem}.change-password-header p{color:#64748b;font-size:1.125rem;font-weight:500;margin:0}.change-password-form{background:#fff;border:1px solid #0000000d;border-radius:24px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;margin-bottom:2rem;padding:3rem}.form-group{margin-bottom:2rem}.form-group label{color:#374151;display:block;font-size:.875rem;font-weight:700;letter-spacing:.025em;margin-bottom:.75rem;text-transform:uppercase}.password-input-group{align-items:center;display:flex;position:relative}.password-input-group input{background:#fafbfc;border:2px solid #e2e8f0;border-radius:16px;font-family:inherit;font-size:1rem;padding:1rem 3rem 1rem 1rem;transition:all .3s ease;width:100%}.password-input-group input:focus{background:#fff;border-color:#3b82f6;box-shadow:0 0 0 4px #3b82f61a;outline:none}.password-input-group input::placeholder{color:#9ca3af;font-weight:400}.password-toggle{background:none;border:none;border-radius:8px;color:#64748b;cursor:pointer;font-size:1.25rem;padding:.25rem;position:absolute;right:1rem;transition:all .2s ease;z-index:1}.password-toggle:hover{background:#3b82f61a;color:#3b82f6}.password-strength{align-items:center;display:flex;gap:1rem;margin-top:.75rem}.strength-bar{background:#f1f5f9;border-radius:4px;flex:1 1;height:8px;overflow:hidden}.strength-fill{border-radius:4px;height:100%;transition:all .3s ease}.strength-label{font-size:.875rem;font-weight:600;letter-spacing:.025em;text-transform:uppercase}.password-match{margin-top:.75rem}.match-success{color:#16a34a}.match-error,.match-success{font-size:.875rem;font-weight:600}.match-error{color:#dc2626}.password-requirements{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:1px solid #e2e8f0;border-radius:16px;margin:2rem 0;padding:1.5rem}.password-requirements h3{color:#374151;font-size:1rem;font-weight:700;margin:0 0 1rem}.password-requirements ul{grid-gap:.5rem;display:grid;gap:.5rem;list-style:none;margin:0;padding:0}.password-requirements li{align-items:center;color:#64748b;display:flex;font-size:.875rem;gap:.5rem;padding-left:1.5rem;position:relative;transition:all .2s ease}.password-requirements li:before{color:#cbd5e1;content:"○";font-weight:700;left:0;position:absolute}.password-requirements li.met{color:#16a34a;font-weight:600}.password-requirements li.met:before{color:#16a34a;content:"✓"}.message{border-radius:12px;font-size:.875rem;font-weight:600;margin:1.5rem 0;padding:1rem 1.5rem;text-align:center}.message.success{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid #10b981;color:#065f46}.message.error{background:linear-gradient(135deg,#fee2e2,#fecaca);border:1px solid #ef4444;color:#991b1b}.form-actions{background-color:#334155;margin:auto;text-align:center;width:100%}.change-password-btn{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:16px;color:#fff;cursor:pointer;display:inline-flex;font-size:1rem;font-weight:700;gap:.5rem;justify-content:center;letter-spacing:.025em;min-width:200px;padding:1rem 2rem;text-transform:uppercase;transition:all .3s ease}.change-password-btn:hover:not(:disabled){box-shadow:0 10px 20px #667eea4d;transform:translateY(-2px)}.change-password-btn:disabled{cursor:not-allowed;opacity:.6;transform:none}.security-tips{background:#fff;border:1px solid #0000000d;border-radius:20px;box-shadow:0 4px 20px #0000000d;padding:2rem}.security-tips h3{align-items:center;color:#1e293b;display:flex;font-size:1.25rem;font-weight:700;gap:.5rem;margin:0 0 1.5rem}.security-tips ul{grid-gap:1rem;display:grid;gap:1rem;list-style:none;margin:0;padding:0}.security-tips li{align-items:flex-start;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:1px solid #e2e8f0;border-radius:12px;color:#64748b;display:flex;font-size:.875rem;gap:.75rem;line-height:1.5;padding:.75rem .75rem .75rem 2.5rem;position:relative}.security-tips li:before{content:"🛡️";font-size:1rem;left:.75rem;position:absolute}@media (max-width:768px){.change-password-page{padding:1rem 0}.change-password-container{padding:0 1rem}.change-password-form{border-radius:16px;padding:2rem 1.5rem}.change-password-header h1{font-size:2rem}.password-strength{align-items:flex-start;flex-direction:column;gap:.5rem}.strength-bar{width:100%}.security-tips{padding:1.5rem}}@media (max-width:480px){.change-password-header h1{font-size:1.75rem}.change-password-form{padding:1.5rem 1rem}.password-input-group input{font-size:.875rem;padding:.875rem 2.5rem .875rem .875rem}.change-password-btn{padding:.875rem 1.5rem;width:100%}.password-requirements ul{gap:.375rem}.security-tips ul{gap:.75rem}}.change-password-btn:focus-visible,.password-toggle:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.change-password-btn:disabled{overflow:hidden;position:relative}.change-password-btn:disabled:after{animation:loading 2s infinite;background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;width:100%}@keyframes loading{0%{left:-100%}to{left:100%}}*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f8f9fa;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}.App{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1 1;padding-top:0}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.loading{align-items:center;color:#666;display:flex;font-size:1.2rem;height:50vh;justify-content:center}.error-message{background-color:#fee;border:1px solid #fcc;border-radius:8px;color:#c33}.error-message,.success-message{margin:1rem 0;padding:1rem;text-align:center}.success-message{background-color:#efe;border:1px solid #cfc;border-radius:8px;color:#363}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-out}