#root{display:flex;flex-direction:column;min-height:100vh}main{flex:1 1;padding:2rem 0}.loading-spinner{height:100vh}.dashboard-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin:2rem 0}.stats-card{border-radius:.5rem;padding:1.5rem}.test-card{border-radius:.5rem;margin:1rem 0;padding:1rem}.test-card h3{margin-bottom:.5rem}@media (max-width:768px){.container{padding:0 .5rem}.dashboard-grid{grid-template-columns:1fr}}:root{--toastify-color-light:#fff;--toastify-color-dark:#121212;--toastify-color-info:#3498db;--toastify-color-success:#07bc0c;--toastify-color-warning:#f1c40f;--toastify-color-error:#e74c3c;--toastify-color-transparent:#ffffffb3;--toastify-icon-color-info:var(--toastify-color-info);--toastify-icon-color-success:var(--toastify-color-success);--toastify-icon-color-warning:var(--toastify-color-warning);--toastify-icon-color-error:var(--toastify-color-error);--toastify-toast-width:320px;--toastify-toast-background:#fff;--toastify-toast-min-height:64px;--toastify-toast-max-height:800px;--toastify-font-family:sans-serif;--toastify-z-index:9999;--toastify-text-color-light:#757575;--toastify-text-color-dark:#fff;--toastify-text-color-info:#fff;--toastify-text-color-success:#fff;--toastify-text-color-warning:#fff;--toastify-text-color-error:#fff;--toastify-spinner-color:#616161;--toastify-spinner-color-empty-area:#e0e0e0;--toastify-color-progress-light:linear-gradient(90deg,#4cd964,#5ac8fa,#007aff,#34aadc,#5856d6,#ff2d55);--toastify-color-progress-dark:#bb86fc;--toastify-color-progress-info:var(--toastify-color-info);--toastify-color-progress-success:var(--toastify-color-success);--toastify-color-progress-warning:var(--toastify-color-warning);--toastify-color-progress-error:var(--toastify-color-error)}.Toastify__toast-container{box-sizing:border-box;color:#fff;padding:4px;position:fixed;-webkit-transform:translateZ(9999);-webkit-transform:translateZ(var(--toastify-z-index));width:320px;width:var(--toastify-toast-width);z-index:9999;z-index:var(--toastify-z-index)}.Toastify__toast-container--top-left{left:1em;top:1em}.Toastify__toast-container--top-center{left:50%;top:1em;transform:translateX(-50%)}.Toastify__toast-container--top-right{right:1em;top:1em}.Toastify__toast-container--bottom-left{bottom:1em;left:1em}.Toastify__toast-container--bottom-center{bottom:1em;left:50%;transform:translateX(-50%)}.Toastify__toast-container--bottom-right{bottom:1em;right:1em}@media only screen and (max-width:480px){.Toastify__toast-container{left:0;margin:0;padding:0;width:100vw}.Toastify__toast-container--top-center,.Toastify__toast-container--top-left,.Toastify__toast-container--top-right{top:0;transform:translateX(0)}.Toastify__toast-container--bottom-center,.Toastify__toast-container--bottom-left,.Toastify__toast-container--bottom-right{bottom:0;transform:translateX(0)}.Toastify__toast-container--rtl{left:auto;right:0}}.Toastify__toast{border-radius:4px;box-shadow:0 1px 10px 0 #0000001a,0 2px 15px 0 #0000000d;box-sizing:border-box;cursor:default;direction:ltr;display:flex;font-family:sans-serif;font-family:var(--toastify-font-family);justify-content:space-between;margin-bottom:1rem;max-height:800px;max-height:var(--toastify-toast-max-height);min-height:64px;min-height:var(--toastify-toast-min-height);overflow:hidden;padding:8px;position:relative;z-index:0}.Toastify__toast--rtl{direction:rtl}.Toastify__toast--close-on-click{cursor:pointer}.Toastify__toast-body{align-items:center;display:flex;flex:1 1 auto;margin:auto 0;padding:6px}.Toastify__toast-body>div:last-child{flex:1 1;word-break:break-word}.Toastify__toast-icon{-webkit-margin-end:10px;display:flex;flex-shrink:0;margin-inline-end:10px;width:20px}.Toastify--animate{animation-duration:.7s;animation-fill-mode:both}.Toastify--animate-icon{animation-duration:.3s;animation-fill-mode:both}@media only screen and (max-width:480px){.Toastify__toast{border-radius:0;margin-bottom:0}}.Toastify__toast-theme--dark{background:#121212;background:var(--toastify-color-dark);color:#fff;color:var(--toastify-text-color-dark)}.Toastify__toast-theme--colored.Toastify__toast--default,.Toastify__toast-theme--light{background:#fff;background:var(--toastify-color-light);color:#757575;color:var(--toastify-text-color-light)}.Toastify__toast-theme--colored.Toastify__toast--info{background:#3498db;background:var(--toastify-color-info);color:#fff;color:var(--toastify-text-color-info)}.Toastify__toast-theme--colored.Toastify__toast--success{background:#07bc0c;background:var(--toastify-color-success);color:#fff;color:var(--toastify-text-color-success)}.Toastify__toast-theme--colored.Toastify__toast--warning{background:#f1c40f;background:var(--toastify-color-warning);color:#fff;color:var(--toastify-text-color-warning)}.Toastify__toast-theme--colored.Toastify__toast--error{background:#e74c3c;background:var(--toastify-color-error);color:#fff;color:var(--toastify-text-color-error)}.Toastify__progress-bar-theme--light{background:linear-gradient(90deg,#4cd964,#5ac8fa,#007aff,#34aadc,#5856d6,#ff2d55);background:var(--toastify-color-progress-light)}.Toastify__progress-bar-theme--dark{background:#bb86fc;background:var(--toastify-color-progress-dark)}.Toastify__progress-bar--info{background:#3498db;background:var(--toastify-color-progress-info)}.Toastify__progress-bar--success{background:#07bc0c;background:var(--toastify-color-progress-success)}.Toastify__progress-bar--warning{background:#f1c40f;background:var(--toastify-color-progress-warning)}.Toastify__progress-bar--error{background:#e74c3c;background:var(--toastify-color-progress-error)}.Toastify__progress-bar-theme--colored.Toastify__progress-bar--error,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--info,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--success,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--warning{background:#ffffffb3;background:var(--toastify-color-transparent)}.Toastify__close-button{align-self:flex-start;background:#0000;border:none;color:#fff;cursor:pointer;opacity:.7;outline:none;padding:0;transition:.3s ease}.Toastify__close-button--light{color:#000;opacity:.3}.Toastify__close-button>svg{fill:currentColor;height:16px;width:14px}.Toastify__close-button:focus,.Toastify__close-button:hover{opacity:1}@keyframes Toastify__trackProgress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.Toastify__progress-bar{bottom:0;height:5px;left:0;opacity:.7;position:absolute;transform-origin:left;width:100%;z-index:9999;z-index:var(--toastify-z-index)}.Toastify__progress-bar--animated{animation:Toastify__trackProgress linear 1 forwards}.Toastify__progress-bar--controlled{transition:transform .2s}.Toastify__progress-bar--rtl{left:auto;right:0;transform-origin:right}.Toastify__spinner{animation:Toastify__spin .65s linear infinite;border:2px solid #e0e0e0;border-color:var(--toastify-spinner-color-empty-area);border-radius:100%;border-right-color:#616161;border-right-color:var(--toastify-spinner-color);box-sizing:border-box;height:20px;width:20px}@keyframes 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Toastify__bounceInUp{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,3000px,0)}60%{opacity:1;transform:translate3d(0,-20px,0)}75%{transform:translate3d(0,10px,0)}90%{transform:translate3d(0,-5px,0)}to{transform:translateZ(0)}}@keyframes Toastify__bounceOutUp{20%{transform:translate3d(0,-10px,0)}40%,45%{opacity:1;transform:translate3d(0,20px,0)}to{opacity:0;transform:translate3d(0,-2000px,0)}}@keyframes Toastify__bounceInDown{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,-3000px,0)}60%{opacity:1;transform:translate3d(0,25px,0)}75%{transform:translate3d(0,-10px,0)}90%{transform:translate3d(0,5px,0)}to{transform:none}}@keyframes Toastify__bounceOutDown{20%{transform:translate3d(0,10px,0)}40%,45%{opacity:1;transform:translate3d(0,-20px,0)}to{opacity:0;transform:translate3d(0,2000px,0)}}.Toastify__bounce-enter--bottom-left,.Toastify__bounce-enter--top-left{animation-name:Toastify__bounceInLeft}.Toastify__bounce-enter--bottom-right,.Toastify__bounce-enter--top-right{animation-name:Toastify__bounceInRight}.Toastify__bounce-enter--top-center{animation-name:Toastify__bounceInDown}.Toastify__bounce-enter--bottom-center{animation-name:Toastify__bounceInUp}.Toastify__bounce-exit--bottom-left,.Toastify__bounce-exit--top-left{animation-name:Toastify__bounceOutLeft}.Toastify__bounce-exit--bottom-right,.Toastify__bounce-exit--top-right{animation-name:Toastify__bounceOutRight}.Toastify__bounce-exit--top-center{animation-name:Toastify__bounceOutUp}.Toastify__bounce-exit--bottom-center{animation-name:Toastify__bounceOutDown}@keyframes Toastify__zoomIn{0%{opacity:0;transform:scale3d(.3,.3,.3)}50%{opacity:1}}@keyframes Toastify__zoomOut{0%{opacity:1}50%{opacity:0;transform:scale3d(.3,.3,.3)}to{opacity:0}}.Toastify__zoom-enter{animation-name:Toastify__zoomIn}.Toastify__zoom-exit{animation-name:Toastify__zoomOut}@keyframes Toastify__flipIn{0%{animation-timing-function:ease-in;opacity:0;transform:perspective(400px) rotateX(90deg)}40%{animation-timing-function:ease-in;transform:perspective(400px) rotateX(-20deg)}60%{opacity:1;transform:perspective(400px) rotateX(10deg)}80%{transform:perspective(400px) rotateX(-5deg)}to{transform:perspective(400px)}}@keyframes Toastify__flipOut{0%{transform:perspective(400px)}30%{opacity:1;transform:perspective(400px) rotateX(-20deg)}to{opacity:0;transform:perspective(400px) rotateX(90deg)}}.Toastify__flip-enter{animation-name:Toastify__flipIn}.Toastify__flip-exit{animation-name:Toastify__flipOut}@keyframes Toastify__slideInRight{0%{transform:translate3d(110%,0,0);visibility:visible}to{transform:translateZ(0)}}@keyframes Toastify__slideInLeft{0%{transform:translate3d(-110%,0,0);visibility:visible}to{transform:translateZ(0)}}@keyframes Toastify__slideInUp{0%{transform:translate3d(0,110%,0);visibility:visible}to{transform:translateZ(0)}}@keyframes Toastify__slideInDown{0%{transform:translate3d(0,-110%,0);visibility:visible}to{transform:translateZ(0)}}@keyframes Toastify__slideOutRight{0%{transform:translateZ(0)}to{transform:translate3d(110%,0,0);visibility:hidden}}@keyframes Toastify__slideOutLeft{0%{transform:translateZ(0)}to{transform:translate3d(-110%,0,0);visibility:hidden}}@keyframes Toastify__slideOutDown{0%{transform:translateZ(0)}to{transform:translate3d(0,500px,0);visibility:hidden}}@keyframes Toastify__slideOutUp{0%{transform:translateZ(0)}to{transform:translate3d(0,-500px,0);visibility:hidden}}.Toastify__slide-enter--bottom-left,.Toastify__slide-enter--top-left{animation-name:Toastify__slideInLeft}.Toastify__slide-enter--bottom-right,.Toastify__slide-enter--top-right{animation-name:Toastify__slideInRight}.Toastify__slide-enter--top-center{animation-name:Toastify__slideInDown}.Toastify__slide-enter--bottom-center{animation-name:Toastify__slideInUp}.Toastify__slide-exit--bottom-left,.Toastify__slide-exit--top-left{animation-name:Toastify__slideOutLeft}.Toastify__slide-exit--bottom-right,.Toastify__slide-exit--top-right{animation-name:Toastify__slideOutRight}.Toastify__slide-exit--top-center{animation-name:Toastify__slideOutUp}.Toastify__slide-exit--bottom-center{animation-name:Toastify__slideOutDown}@keyframes Toastify__spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}:root{--primary-light:#818cf8;--primary-dark:#4f46e5;--secondary-light:#34d399;--background:#fff;--surface:#f8fafc;--surface-elevated:#fff;--text:#0f172a;--text-secondary:#64748b;--text-muted:#94a3b8;--border:#e2e8f0;--border-light:#f1f5f9;--shadow-elevated:#00000026;--error:#ef4444;--gradient:linear-gradient(135deg,var(--primary),var(--secondary))}[data-theme=dark]{--primary:#818cf8;--primary-light:#a5b4fc;--primary-dark:#6366f1;--secondary:#34d399;--secondary-light:#6ee7b7;--accent:#fbbf24;--background:#0f172a;--surface:#1e293b;--surface-elevated:#334155;--text:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--border:#334155;--border-light:#475569;--shadow:#0000004d;--shadow-elevated:#00000080;--success:#34d399;--warning:#fbbf24;--error:#f87171;--info:#60a5fa;--gradient:linear-gradient(135deg,var(--primary),var(--secondary))}*{box-sizing:border-box;margin:0;padding:0}@media (max-width:768px){.test-interface{padding:.5rem!important}button{min-height:44px!important;min-width:44px!important;touch-action:manipulation}input,select,textarea{font-size:16px!important}body{font-size:14px}body,html{overflow-x:hidden;width:100%}.navbar{padding:.5rem 1rem!important}.camera-debug-panel{left:10px!important;max-height:50vh!important;right:10px!important;width:calc(100vw - 20px)!important}}@media (max-width:768px) and (orientation:landscape){.camera-debug-panel{max-height:40vh!important}.video-preview{height:80px!important;width:120px!important}}@media (-webkit-min-device-pixel-ratio:2),(min-resolution:192dpi){body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}body{background-color:#fff;background-color:var(--background);color:#374151;color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;transition:all .3s ease}.app{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1 1;padding:2rem 1rem}.card{background:#fff;background:var(--surface);border:1px solid #e5e7eb;border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 6px #0000001a;box-shadow:0 4px 6px var(--shadow);padding:2rem;transition:all .3s ease}.card:hover{box-shadow:0 8px 25px #0000001a;box-shadow:0 8px 25px var(--shadow);transform:translateY(-2px)}.btn{min-height:44px;padding:.75rem 1.5rem}.btn-primary{box-shadow:0 4px 14px 0 #6366f166}.btn-primary:hover:not(:disabled){box-shadow:0 6px 20px #6366f199}.btn-secondary{background:#10b981;background:var(--secondary)}.btn-outline{border:2px solid #6366f1;border:2px solid var(--primary)}.form-control{padding:.75rem 1rem}.stats-card{background:linear-gradient(135deg,#6366f1,#f59e0b);background:var(--gradient);color:#fff}.stats-card:before{background:#ffffff1a;border-radius:50%}.stats-card h3{font-size:2.5rem}.stats-card p{font-weight:500;opacity:.9}.dashboard{margin:0 auto;max-width:1200px}.dashboard h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#6366f1,#f59e0b);background:var(--gradient);-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:700;margin-bottom:2rem}.login-container{min-height:calc(100vh - 200px)}.login-card{background:#fff;background:var(--surface);border:1px solid #e5e7eb;border:1px solid var(--border);box-shadow:0 20px 25px -5px #0000001a;box-shadow:0 20px 25px -5px var(--shadow);max-width:400px;padding:3rem}.login-header{margin-bottom:2rem}.login-header h2{background:linear-gradient(135deg,#6366f1,#f59e0b);background:var(--gradient);font-size:1.875rem;margin-bottom:.5rem}.login-header p{color:#6b7280;color:var(--text-secondary)}.table-container{background:#fff;background:var(--surface);border-radius:12px;box-shadow:0 4px 6px #0000001a;box-shadow:0 4px 6px var(--shadow);margin:2rem 0;overflow:hidden}.table{border-collapse:collapse;width:100%}.table th{background:#6366f1;background:var(--primary);color:#fff;font-weight:600;padding:1rem;text-align:left}.table td{border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border);padding:1rem}.table tr:hover{background:#f9fafb;background:var(--surface-elevated)}@media (max-width:768px){.main-content{padding:1rem .5rem}.card{padding:1.5rem}.stats-grid{grid-template-columns:1fr}.dashboard h1{font-size:2rem}.login-card{margin:1rem;padding:2rem}}::-webkit-scrollbar-track{background:#fff;background:var(--surface)}::-webkit-scrollbar-thumb{background:#6366f1;background:var(--primary)}::-webkit-scrollbar-thumb:hover{background:#4f46e5;background:var(--primary-dark)}.nav-btn{border:none}.form-row{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.status.approved{color:#10b981;color:var(--secondary);font-weight:600}.status.pending{color:#f59e0b;color:var(--accent);font-weight:600}.btn-sm{font-size:.75rem}@media (max-width:768px){.admin-nav{flex-wrap:wrap}.form-row{grid-template-columns:1fr}}.student-dashboard{max-width:1200px}.dashboard-header h1{background:linear-gradient(135deg,#6366f1,#f59e0b);background:var(--gradient)}.student-info{background:#fff;background:var(--surface);border-radius:8px}.test-grid{grid-gap:1.5rem;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(350px,1fr))}.test-card{border-radius:12px;box-shadow:0 4px 6px #0000001a;box-shadow:0 4px 6px var(--shadow);padding:1.5rem}.test-card:hover{box-shadow:0 8px 25px #0000001a;box-shadow:0 8px 25px var(--shadow);transform:translateY(-2px)}.test-card.available{border-left:4px solid #10b981;border-left:4px solid var(--secondary)}.test-card.upcoming{border-left:4px solid #6366f1;border-left:4px solid var(--primary)}.test-card h3{color:#6366f1;color:var(--primary);margin-bottom:1rem}.test-card p{color:#6b7280;color:var(--text-secondary);margin-bottom:.5rem}.results-section{margin:3rem 0}.empty-state{border-radius:12px}.empty-state h2{color:#6b7280;color:var(--text-secondary);margin-bottom:1rem}.error-container{border:2px solid #f87171;border-radius:12px}.error-container h2{color:#f87171}@media (max-width:768px){.test-grid{grid-template-columns:1fr}.student-dashboard{padding:1rem}.dashboard-header h1{font-size:2rem}}.student-dashboard{background:#fff;background:var(--background);margin:0 auto;max-width:1400px;min-height:100vh;padding:2rem}.dashboard-header{background:linear-gradient(135deg,#6366f1,#f59e0b);background:var(--gradient);color:#fff;padding:2rem;text-align:center}.dashboard-header h1{margin-bottom:1rem}.student-info{background:#ffffff1a;border-radius:12px;display:inline-block;padding:1rem}.student-info p{font-size:1rem;margin:.25rem 0}.stats-grid{margin:2rem 0}.stats-card{background:#fff;background:var(--surface);border:1px solid #e5e7eb;border:1px solid var(--border);border-radius:16px;box-shadow:0 8px 32px #0000001a;overflow:hidden;padding:2rem;position:relative;text-align:center;transition:all .3s ease}.stats-card:before{background:linear-gradient(45deg,#0000,#ffffff1a,#0000);content:"";height:100%;position:absolute;right:-50%;top:-50%;transform:rotate(45deg);transition:all .6s ease;width:100%}.stats-card:hover:before{animation:shimmer 1.5s ease-in-out}.stats-card:hover{box-shadow:0 16px 64px #00000026;transform:translateY(-8px)}.stats-card.available-card{border-left:4px solid #ef4444}.stats-card.upcoming-card{border-left:4px solid #6366f1;border-left:4px solid var(--primary)}.stats-card.completed-card{border-left:4px solid #10b981;border-left:4px solid var(--secondary)}.stats-card.results-card{border-left:4px solid #f59e0b;border-left:4px solid var(--accent)}.stats-card h3{color:#6366f1;color:var(--primary);font-size:3rem;font-weight:700;margin-bottom:.5rem}.stats-card p{color:#374151;color:var(--text);font-weight:600;margin-bottom:.25rem}.stats-card 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0}.promotions-section{background:#0000001a;padding:80px 0}.section-title{color:#fff;font-size:2.5rem;font-weight:700;margin-bottom:50px;text-align:center}.promotions-grid{grid-gap:30px;gap:30px;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));margin:0 auto;max-width:1200px;padding:0 20px}.promotion-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:15px}.promotion-card:hover{background:#ffffff26}.promotion-video{position:relative;width:100%}.promotion-content{padding:25px}.promotion-content h3{color:#fff;font-size:1.4rem;font-weight:600;margin-bottom:15px}.promotion-content p{color:#fffc}.promotion-btn{background:linear-gradient(45deg,#fbbf24,#f59e0b);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:12px 24px;transition:all .3s ease}.promotion-btn:hover{box-shadow:0 10px 20px 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p{color:#ffffffe6;line-height:1.6;margin-bottom:25px}.popup-btn{background:linear-gradient(45deg,#fbbf24,#f59e0b);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:15px 30px;transition:all .3s ease;width:100%}.popup-btn:hover{box-shadow:0 10px 20px #fbbf244d;transform:translateY(-2px)}.landing-footer{background:#0f172a;padding:60px 0 30px}.footer-content{grid-gap:60px;display:grid;gap:60px;grid-template-columns:1fr 2fr;margin-bottom:40px}.footer-brand h3{color:#fbbf24;font-size:1.5rem;margin-bottom:10px}.footer-brand p{opacity:.7}.footer-links{grid-gap:40px;display:grid;gap:40px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.footer-section h4{color:#e2e8f0;font-size:1.1rem;margin-bottom:15px}.footer-section ul{list-style:none;padding:0}.footer-section li{margin-bottom:8px}.footer-section a{color:#cbd5e1;text-decoration:none;transition:color .3s ease}.footer-section a:hover{color:#fbbf24}.footer-bottom{border-top:1px solid 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.stat-icon{align-items:center;border-radius:12px;color:#fff;display:flex;font-size:1.5rem;height:60px;justify-content:center;margin-bottom:1rem;transition:all .3s ease;width:60px}.stat-card:hover .stat-icon{transform:scale(1.1)}.stat-card .stat-content h3{color:#1a202c;font-size:2.2rem;font-weight:700;line-height:1.2;margin:0 0 .25rem}.stat-card .stat-content p{color:#718096;font-size:.875rem;font-weight:600;letter-spacing:.5px;margin:0;text-transform:uppercase}.stat-trend{border-radius:6px;display:inline-block;font-size:.8rem;font-weight:500;margin-top:1rem;padding:.25rem .5rem}.stat-trend.positive{background:#48bb781a;color:#2f855a}.stat-trend.negative{background:#f565651a;color:#c53030}.stat-trend.neutral{background:#4a55681a;color:#4a5568}.stat-card.primary .stat-icon,.stat-card.primary:before{background:linear-gradient(135deg,#667eea,#764ba2)}.stat-card.primary .stat-icon{box-shadow:0 4px 15px #667eea4d}.stat-card.success 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#667eea4d;transform:translateY(-1px)}.chart-container{height:300px;margin-bottom:1rem;position:relative}.loading-spinner{color:#718096;font-size:.875rem;height:100%}.grade-stats{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem}.grade-stat-item{align-items:center;background:#f7fafc;border-radius:8px;display:flex;font-size:.875rem;gap:.5rem;padding:.5rem .75rem}.grade-badge{border-radius:4px;color:#fff;font-size:.75rem;font-weight:600;padding:.25rem .5rem}.grade-badge.grade-aplus{background:#10b981}.grade-badge.grade-a{background:#3b82f6}.grade-badge.grade-bplus{background:#8b5cf6}.grade-badge.grade-b{background:#f59e0b}.grade-badge.grade-c{background:#ef4444}.grade-badge.grade-f{background:#6b7280}.grade-count{color:#2d3748;font-weight:600}.grade-percentage{color:#718096}.subject-details{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.subject-item{align-items:center;background:#f7fafc;border-radius:8px;display:flex;justify-content:space-between;padding:.75rem;transition:all .3s ease}.subject-item:hover{background:#edf2f7;transform:translateX(4px)}.subject-info{display:flex;flex-direction:column;gap:.25rem}.subject-name{color:#2d3748;font-weight:600}.test-count{color:#718096;font-size:.75rem}.subject-score{color:#4299e1;font-size:1.1rem;font-weight:700}[data-theme=dark] .dashboard-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#1a202ce6;border-color:#ffffff14}[data-theme=dark] 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#ffffff1a;border-radius:20px;box-shadow:0 8px 32px #0000001a;margin:1rem;padding:2rem}.dashboard-header,.dashboard-main{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.dashboard-header{background:#ffffffe6;border:1px solid #ffffff2e;border-radius:16px;box-shadow:0 4px 20px #00000014;margin-bottom:2rem;padding:1.5rem 2rem}.dashboard-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:800;margin:0 0 .5rem}.dashboard-header p{color:#718096;font-size:1.1rem;margin:0}.refresh-button{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:12px;box-shadow:0 4px 15px #667eea4d;color:#fff;cursor:pointer;display:flex;font-size:1rem;font-weight:600;gap:.5rem;padding:.75rem 1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.refresh-button:hover{box-shadow:0 6px 25px #667eea66;transform:translateY(-2px)}.refresh-button:active{transform:translateY(0)}[data-theme=dark] .dashboard-main{background:#1a202ccc;border-color:#ffffff14}[data-theme=dark] .dashboard-header{background:#2d3748e6;border-color:#ffffff14}[data-theme=dark] .dashboard-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text}[data-theme=dark] .dashboard-header p{color:#a0aec0}.create-test-modern{background:#fff;border-radius:16px;box-shadow:0 10px 30px #0000001a;margin:2rem auto;max-width:900px;overflow:hidden}.form-header{background:linear-gradient(135deg,#4299e1,#3182ce);color:#fff;padding:2rem;text-align:center}.form-header h2{font-size:2rem;font-weight:700;margin:0 0 .5rem}.form-header p{font-size:1.1rem;margin:0;opacity:.9}.modern-form{padding:2rem}.form-group{margin-bottom:1.5rem}.test-type-badge{margin-top:.5rem}.badge{border-radius:.5rem;display:inline-block;font-size:.875rem;font-weight:500;padding:.25rem .75rem;text-align:center}.coding-badge{background-color:#10b981;color:#fff}.traditional-badge{background-color:#3b82f6;color:#fff}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#4299e1;box-shadow:0 0 0 3px #4299e11a}.btn-primary{background:linear-gradient(135deg,#4299e1,#3182ce);border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;padding:.75rem 1.5rem;transition:all .3s ease}.btn-primary:hover{background:linear-gradient(135deg,#3182ce,#2c5aa0);box-shadow:0 4px 12px #4299e166}@media (max-width:768px){.test-type-selector{flex-direction:column;gap:.5rem}.test-type-btn{font-size:.9rem;min-height:60px}.create-test-modern{border-radius:12px;margin:1rem}.form-header{padding:1.5rem}.form-header h2{font-size:1.5rem}.modern-form{padding:1.5rem}}@keyframes buttonPulse{0%{box-shadow:0 0 0 0 #4299e1b3}70%{box-shadow:0 0 0 10px #4299e100}to{box-shadow:0 0 0 0 #4299e100}}.test-type-btn:active{animation:buttonPulse .6s}.loading-overlay{align-items:center;background:#00000080;display:flex;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:9999}.loading-spinner{border:5px solid #f3f3f3;border-top-color:#4299e1;height:50px;width:50px}.results-management{background:#fff;border-radius:12px;box-shadow:0 2px 10px #0000001a;padding:20px}.student-info{gap:12px}.student-avatar,.student-info{align-items:center;display:flex}.student-avatar{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;color:#fff;font-size:1.1rem;font-weight:600;height:40px;justify-content:center;width:40px}.student-details h4{color:#1e293b;font-size:.95rem;margin:0}.student-details small{color:#64748b;display:block;font-size:.8rem}.test-info 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label{color:#1f2937;color:var(--text-primary,#1f2937);display:block;font-size:14px;font-weight:600;margin-bottom:8px}.NotificationSettings_bodyTextarea__ZVAD1,.NotificationSettings_subjectInput__q7Z3b{border:2px solid #e5e7eb;border:2px solid var(--border,#e5e7eb);border-radius:8px;font-size:14px;padding:12px;width:100%}.NotificationSettings_bodyTextarea__ZVAD1{font-family:Courier New,monospace;line-height:1.5;resize:vertical}.NotificationSettings_templateVariables__bg82p{border-top:1px solid #e5e7eb;border-top:1px solid var(--border,#e5e7eb);margin-top:20px;padding-top:16px}.NotificationSettings_templateVariables__bg82p h4{color:#1f2937;color:var(--text-primary,#1f2937);font-size:14px;margin:0 0 12px}.NotificationSettings_variablesList__ICKu7{display:flex;flex-wrap:wrap;gap:8px}.NotificationSettings_variable__1AQ0M{background:#f3f4f6;background:var(--primary-light,#f3f4f6);border-radius:4px;color:#8b5cf6;color:var(--primary,#8b5cf6);cursor:pointer;font-family:Courier 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.2s}.NotificationSettings_saveButton__gMsUg:hover:not(:disabled){background:#059669;background:var(--success-dark,#059669)}.NotificationSettings_saveButton__gMsUg:disabled{background:#9ca3af;background:var(--disabled,#9ca3af);cursor:not-allowed}@media (max-width:768px){.NotificationSettings_settingsGrid__fStCI{gap:16px;grid-template-columns:1fr}.NotificationSettings_templateSelector__8gQID{align-items:flex-start;flex-direction:column}.NotificationSettings_templateSelect__vJNDA{width:100%}.NotificationSettings_variablesList__ICKu7{justify-content:center}}.OAuthSettings_container__Kh08U{background:var(--bg-primary);margin:0 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24px}.table-responsive{overflow-x:auto}.stats-table{border-collapse:collapse;font-size:.9rem;width:100%}.stats-table th{background:#f7fafc;border-bottom:1px solid #e2e8f0;color:#4a5568;font-weight:600;padding:12px 16px;text-align:left;white-space:nowrap}.stats-table td{border-bottom:1px solid #f1f5f9;padding:16px;vertical-align:middle}.stats-table tr:hover{background:#f7fafc}.rank-badge{border-radius:20px;display:inline-block;font-size:.8rem;font-weight:700;padding:4px 12px}.rank-1{background:linear-gradient(135deg,gold,#ffed4e);color:#744210}.rank-2{background:linear-gradient(135deg,silver,#d6d6d6);color:#4a5568}.rank-3{background:linear-gradient(135deg,#cd7f32,#d69e2e);color:#744210}.rank-other{background:#e2e8f0;color:#4a5568}.student-name{color:#2d3748;font-weight:600}.student-email{color:#718096;font-size:.85rem}.score-badge{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;color:#fff;display:inline-block;font-size:.9rem;font-weight:600;padding:4px 12px}.problems-solved{color:#2d3748;font-size:1.1rem;font-weight:600}.difficulty-count{border-radius:12px;display:inline-block;font-size:.8rem;font-weight:600;min-width:24px;padding:2px 8px;text-align:center}.difficulty-count.easy{background:#c6f6d5;color:#22543d}.difficulty-count.medium{background:#fed7d7;color:#742a2a}.difficulty-count.hard{background:#fbb6ce;color:#702459}.accuracy{font-weight:600}.accuracy.high{color:#22543d}.accuracy.medium{color:#d69e2e}.accuracy.low{color:#e53e3e}.languages-used{display:flex;flex-wrap:wrap;gap:4px}.language-tag{background:#e2e8f0;border-radius:4px;color:#4a5568;display:inline-block;font-size:.75rem;font-weight:500;padding:2px 8px}.no-data{align-items:center;background:#f7fafc;border:1px solid #e2e8f0;border-radius:12px;display:flex;flex-direction:column;justify-content:center;padding:80px 20px;text-align:center}.no-data-icon{font-size:4rem;margin-bottom:20px;opacity:.6}.no-data h3{color:#4a5568;font-size:1.5rem;margin:0 0 12px}.no-data p{color:#718096;font-size:1.1rem;margin:0}@media (max-width:1200px){.stats-table{font-size:.8rem}.stats-table td,.stats-table th{padding:8px 12px}}@media (max-width:768px){.stats-summary{gap:15px;grid-template-columns:repeat(2,1fr)}.summary-card{padding:16px}.big-number{font-size:2rem}.stats-header{align-items:stretch;flex-direction:column;gap:15px}.refresh-btn{width:100%}.table-responsive{-webkit-overflow-scrolling:touch}.stats-table td,.stats-table th{font-size:.75rem;padding:6px 8px}.languages-used{max-width:100px}}.form-section{background:#1a1a1a;border:1px solid #333;border-radius:8px;margin:20px 0;padding:20px}.form-section h4{color:#ff6b35;font-size:1.1rem;font-weight:600;margin:0 0 15px}.example-group,.testcase-group{background:#262626;border:1px solid #444;border-radius:6px;margin:15px 0;padding:15px}.example-header,.testcase-header{align-items:center;color:#fff;display:flex;font-weight:600;justify-content:space-between;margin-bottom:10px}.remove-btn{background:#dc3545;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.8rem;padding:4px 8px;transition:background .3s ease}.remove-btn:hover{background:#c82333}.add-btn{background:#28a745;border:none;border-radius:6px;color:#fff;cursor:pointer;font-weight:500;margin-top:10px;padding:8px 16px;transition:background .3s ease}.add-btn:hover{background:#218838}.form-group label{color:#ccc;display:block;font-weight:500;margin-bottom:5px}.form-group input[type=checkbox]{margin-right:8px}.form-group textarea{background:#0d1117;border:1px solid #333;border-radius:4px;color:#fff;font-family:SF Mono,Monaco,Cascadia Code,Roboto Mono,Consolas,monospace;font-size:14px;line-height:1.4;padding:8px;resize:vertical}.form-group textarea:focus{border-color:#ff6b35;box-shadow:0 0 0 2px #ff6b3533;outline:none}.form-group 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var(--success-color);border-radius:16px;bottom:20px;box-shadow:0 12px 48px var(--shadow-medium);display:flex;gap:1rem;max-width:90vw;padding:1.5rem;position:fixed;right:20px;width:360px;z-index:10000}.PushNotificationSettings_pushNotificationContainer__NmdC-.PushNotificationSettings_error__iXMY4{background:var(--danger-light);border-left-color:var(--danger-color)}.PushNotificationSettings_pushNotificationContainer__NmdC-.PushNotificationSettings_warning__FNbSJ{background:var(--warning-light);border-left-color:var(--warning-color)}.PushNotificationSettings_pushNotificationContainer__NmdC-.PushNotificationSettings_info__DS9WN{background:var(--info-light);border-left-color:var(--info-color)}.PushNotificationSettings_pushNotificationContainer__NmdC-.PushNotificationSettings_success__ZGogp{background:var(--success-light);border-left-color:var(--success-color)}.PushNotificationSettings_pushNotificationIcon__6OYWa{color:var(--success-color);flex-shrink:0;font-size:2rem;margin-top:.25rem}.PushNotificationSettings_pushNotificationIcon__6OYWa.PushNotificationSettings_error__iXMY4{color:var(--danger-color)}.PushNotificationSettings_pushNotificationIcon__6OYWa.PushNotificationSettings_warning__FNbSJ{color:var(--warning-color)}.PushNotificationSettings_pushNotificationIcon__6OYWa.PushNotificationSettings_info__DS9WN{color:var(--info-color)}.PushNotificationSettings_pushNotificationIcon__6OYWa.PushNotificationSettings_success__ZGogp{color:var(--success-color)}.PushNotificationSettings_pushNotificationContent__9xf91{color:var(--text-primary);flex:1 1}.PushNotificationSettings_pushNotificationTitle__FJWlK{color:var(--text-primary);font-size:1rem;font-weight:700;margin:0 0 .5rem}.PushNotificationSettings_pushNotificationMessage__R3t2B{color:var(--text-secondary);font-size:.875rem;font-weight:500;line-height:1.5;margin:0}.PushNotificationSettings_pushNotificationClose__EHeO\+{align-items:center;background:#0000;border:none;border-radius:8px;color:var(--text-muted);cursor:pointer;display:flex;flex-shrink:0;font-size:1.5rem;height:32px;justify-content:center;transition:all .2s ease;width:32px}.PushNotificationSettings_pushNotificationClose__EHeO\+:hover{background:var(--bg-quaternary);color:var(--text-secondary);transform:scale(1.1)}.PushNotificationSettings_pushNotificationActions__xpEPv{display:flex;gap:.75rem;margin-top:1rem}.PushNotificationSettings_pushNotificationButton__9WqWL{background:var(--primary-color);border:none;border-radius:8px;color:var(--text-inverse);cursor:pointer;font-size:.875rem;font-weight:600;padding:.5rem 1rem;transition:all .2s ease}.PushNotificationSettings_pushNotificationButton__9WqWL:hover{background:var(--primary-hover);box-shadow:0 4px 12px #3b82f64d;transform:translateY(-1px)}.PushNotificationSettings_pushNotificationButton__9WqWL.PushNotificationSettings_secondary__TgQAt{background:var(--bg-quaternary);color:var(--text-primary)}.PushNotificationSettings_pushNotificationButton__9WqWL.PushNotificationSettings_secondary__TgQAt:hover{background:var(--border-dark)}.PushNotificationSettings_notificationPermissionBanner__nOXYd{align-items:center;animation:PushNotificationSettings_fadeInDown__4v1zb .4s ease forwards;background:var(--warning-light);border:1px solid var(--warning-color);border-radius:12px;display:flex;gap:1rem;margin:1rem 0;padding:1.5rem}.PushNotificationSettings_notificationPermissionBanner__nOXYd.PushNotificationSettings_denied__6G9UO{background:var(--danger-light);border-color:var(--danger-color)}.PushNotificationSettings_notificationPermissionBanner__nOXYd.PushNotificationSettings_granted__9KfR0{background:var(--success-light);border-color:var(--success-color)}.PushNotificationSettings_permissionBannerIcon__NmCCV{color:var(--warning-color);font-size:2rem}.PushNotificationSettings_permissionBannerIcon__NmCCV.PushNotificationSettings_denied__6G9UO{color:var(--danger-color)}.PushNotificationSettings_permissionBannerIcon__NmCCV.PushNotificationSettings_granted__9KfR0{color:var(--success-color)}.PushNotificationSettings_permissionBannerContent__ta0Mp{flex:1 1}.PushNotificationSettings_permissionBannerTitle__A0K3S{color:var(--warning-color);font-size:1.125rem;font-weight:700;margin:0 0 .5rem}.PushNotificationSettings_permissionBannerTitle__A0K3S.PushNotificationSettings_denied__6G9UO{color:var(--danger-color)}.PushNotificationSettings_permissionBannerTitle__A0K3S.PushNotificationSettings_granted__9KfR0{color:var(--success-color)}.PushNotificationSettings_permissionBannerMessage__rqka\+{color:var(--warning-color);font-size:.875rem;line-height:1.5;margin:0}.PushNotificationSettings_permissionBannerMessage__rqka\+.PushNotificationSettings_denied__6G9UO{color:var(--danger-color)}.PushNotificationSettings_permissionBannerMessage__rqka\+.PushNotificationSettings_granted__9KfR0{color:var(--success-color)}.PushNotificationSettings_permissionBannerActions__zeW6k{display:flex;gap:.75rem}@keyframes PushNotificationSettings_slideInUp__HjINF{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes PushNotificationSettings_fadeInDown__4v1zb{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes PushNotificationSettings_pulse__F2LAq{0%,to{opacity:1}50%{opacity:.8}}.PushNotificationSettings_pulseAnimation__yRfF2{animation:PushNotificationSettings_pulse__F2LAq 2s infinite}.PushNotificationSettings_btn__hJnDP{align-items:center;border:none;border-radius:10px;color:var(--text-inverse);cursor:pointer;display:inline-flex;font-size:.875rem;font-weight:600;gap:.5rem;justify-content:center;padding:.75rem 1.5rem;text-decoration:none;transition:all .2s ease}.PushNotificationSettings_btnPrimary__aGwLs{background:var(--primary-color);box-shadow:0 4px 12px #3b82f64d}.PushNotificationSettings_btnPrimary__aGwLs:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 8px 24px #3b82f666;transform:translateY(-2px)}.PushNotificationSettings_btnSecondary__Cw4ws{background:var(--bg-quaternary);box-shadow:0 4px 12px var(--shadow-light);color:var(--text-primary)}.PushNotificationSettings_btnSecondary__Cw4ws:hover:not(:disabled){background:var(--border-dark);transform:translateY(-2px)}.PushNotificationSettings_btnOutline__qJ2eH{background:#0000;border:2px solid var(--primary-color);box-shadow:none;color:var(--primary-color)}.PushNotificationSettings_btnOutline__qJ2eH:hover:not(:disabled){background:var(--primary-color);color:var(--text-inverse);transform:translateY(-1px)}.PushNotificationSettings_btn__hJnDP:disabled{cursor:not-allowed;opacity:.6;transform:none}.PushNotificationSettings_loadingSpinner__U\+GrK{animation:PushNotificationSettings_spin__brC25 1s linear infinite;display:inline-block;margin-right:.5rem}@keyframes PushNotificationSettings_spin__brC25{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.PushNotificationSettings_notificationSuccess__o8QiJ{background:var(--success-light);border-left-color:var(--success-color)}.PushNotificationSettings_notificationSuccess__o8QiJ .PushNotificationSettings_pushNotificationIcon__6OYWa{color:var(--success-color)}.PushNotificationSettings_notificationError__K49WV{background:var(--danger-light);border-left-color:var(--danger-color)}.PushNotificationSettings_notificationError__K49WV .PushNotificationSettings_pushNotificationIcon__6OYWa{color:var(--danger-color)}.PushNotificationSettings_notificationWarning__euJNq{background:var(--warning-light);border-left-color:var(--warning-color)}.PushNotificationSettings_notificationWarning__euJNq .PushNotificationSettings_pushNotificationIcon__6OYWa{color:var(--warning-color)}.PushNotificationSettings_notificationInfo__ZaHiN{background:var(--info-light);border-left-color:var(--info-color)}.PushNotificationSettings_notificationInfo__ZaHiN .PushNotificationSettings_pushNotificationIcon__6OYWa{color:var(--info-color)}.PushNotificationSettings_statusIndicator__pzwKO{align-items:center;border-radius:20px;display:inline-flex;font-size:.75rem;font-weight:600;gap:.5rem;letter-spacing:.5px;padding:.375rem .75rem;text-transform:uppercase}.PushNotificationSettings_statusIndicator__pzwKO.PushNotificationSettings_enabled__5J6Q6{background:var(--success-light);color:var(--success-color)}.PushNotificationSettings_statusIndicator__pzwKO.PushNotificationSettings_disabled__ilvTD{background:var(--danger-light);color:var(--danger-color)}.PushNotificationSettings_statusIndicator__pzwKO.PushNotificationSettings_pending__Vi-LK{background:var(--warning-light);color:var(--warning-color)}.PushNotificationSettings_statusIndicator__pzwKO.PushNotificationSettings_granted__9KfR0{background:var(--success-light);color:var(--success-color)}.PushNotificationSettings_statusIndicator__pzwKO.PushNotificationSettings_denied__6G9UO{background:var(--danger-light);color:var(--danger-color)}.PushNotificationSettings_browserIndicator__xg0Ez{align-items:center;color:var(--text-secondary);display:inline-flex;font-size:.875rem;gap:.25rem}.PushNotificationSettings_browserIndicator__xg0Ez.PushNotificationSettings_chrome__qY5\+6{color:#4285f4}.PushNotificationSettings_browserIndicator__xg0Ez.PushNotificationSettings_firefox__GohO5{color:#ff7139}.PushNotificationSettings_browserIndicator__xg0Ez.PushNotificationSettings_safari__PSMQI{color:#1ac7ff}.PushNotificationSettings_browserIndicator__xg0Ez.PushNotificationSettings_edge__Phr06{color:#0078d4}@media (max-width:768px){.PushNotificationSettings_pushNotificationSettings__u8Oj1{margin:1rem 0;padding:1.5rem}.PushNotificationSettings_notificationControls__GZm6R{flex-direction:column}.PushNotificationSettings_pushNotificationContainer__NmdC-{bottom:10px;padding:1rem;right:2.5vw;width:95vw}.PushNotificationSettings_pushNotificationIcon__6OYWa{font-size:1.5rem}.PushNotificationSettings_pushNotificationTitle__FJWlK{font-size:.9rem}.PushNotificationSettings_pushNotificationMessage__R3t2B{font-size:.8rem}.PushNotificationSettings_notificationPermissionBanner__nOXYd{flex-direction:column;padding:1rem;text-align:center}.PushNotificationSettings_permissionBannerActions__zeW6k{flex-wrap:wrap;justify-content:center}}@media (max-width:480px){.PushNotificationSettings_pushNotificationContainer__NmdC-{padding:.75rem;right:1vw;width:98vw}.PushNotificationSettings_pushNotificationIcon__6OYWa{font-size:1.25rem}.PushNotificationSettings_pushNotificationTitle__FJWlK{font-size:.85rem}.PushNotificationSettings_pushNotificationMessage__R3t2B{font-size:.75rem}.PushNotificationSettings_btn__hJnDP{font-size:.8rem;padding:.6rem 1.2rem}.PushNotificationSettings_pushNotificationSettings__u8Oj1{margin:.5rem 0;padding:1rem}.PushNotificationSettings_notificationStatus__e9SL3{padding:1rem}.PushNotificationSettings_permissionBannerIcon__NmCCV{font-size:1.5rem}.PushNotificationSettings_permissionBannerTitle__A0K3S{font-size:1rem}.PushNotificationSettings_permissionBannerMessage__rqka\+{font-size:.8rem}}.PushNotificationSettings_btn__hJnDP:focus,.PushNotificationSettings_pushNotificationClose__EHeO\+:focus,.PushNotificationSettings_pushNotificationContainer__NmdC-:focus-within,.PushNotificationSettings_pushNotificationSettings__u8Oj1:focus-within{outline:2px solid var(--primary-color);outline-offset:2px}@media (prefers-reduced-motion:reduce){.PushNotificationSettings_btn__hJnDP,.PushNotificationSettings_loadingSpinner__U\+GrK,.PushNotificationSettings_notificationPermissionBanner__nOXYd,.PushNotificationSettings_pushNotificationContainer__NmdC-{animation:none;transition:none}.PushNotificationSettings_pulseAnimation__yRfF2{animation:none}}@media (prefers-contrast:high){.PushNotificationSettings_btn__hJnDP,.PushNotificationSettings_pushNotificationContainer__NmdC-{border-width:2px;box-shadow:none}.PushNotificationSettings_notificationPermissionBanner__nOXYd,.PushNotificationSettings_pushNotificationSettings__u8Oj1{border-width:2px}}[data-theme=dark] .PushNotificationSettings_pushNotificationContainer__NmdC-{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 12px 48px #0009}[data-theme=dark] .PushNotificationSettings_pushNotificationButton__9WqWL:hover{box-shadow:0 4px 12px #60a5fa66}[data-theme=dark] .PushNotificationSettings_btn__hJnDP:hover{box-shadow:0 8px 24px #60a5fa4d}[data-theme=dark] .PushNotificationSettings_notificationStatus__e9SL3,[data-theme=dark] .PushNotificationSettings_pushNotificationSettings__u8Oj1{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.PushNotificationSettings_notificationQueue__eG7yB{bottom:20px;display:flex;flex-direction:column;gap:1rem;max-height:80vh;overflow-y:auto;position:fixed;right:20px;z-index:10000}.PushNotificationSettings_notificationQueue__eG7yB .PushNotificationSettings_pushNotificationContainer__NmdC-{bottom:auto;margin:0;position:relative;right:auto}.PushNotificationSettings_debugSection__4aAwA{background:var(--bg-tertiary);border:1px solid var(--border-default);border-radius:8px;font-family:Monaco,Consolas,Courier New,monospace;font-size:.75rem;margin-top:1.5rem;padding:1rem}.PushNotificationSettings_debugTitle__tCXF2{align-items:center;color:var(--text-secondary);display:flex;font-family:inherit;font-weight:600;justify-content:space-between;margin-bottom:.75rem}.PushNotificationSettings_refreshButton__aQFJ-{background:var(--secondary-color);border:none;border-radius:4px;color:var(--text-inverse);cursor:pointer;font-family:inherit;font-size:.75rem;font-weight:500;padding:.25rem .5rem;transition:all .2s ease}.PushNotificationSettings_refreshButton__aQFJ-:hover{background:var(--secondary-hover);transform:translateY(-1px)}.PushNotificationSettings_debugInfo__UFJNd{color:var(--text-tertiary);line-height:1.6;white-space:pre-wrap;word-break:break-word}.PushNotificationSettings_debugInfo__UFJNd strong{color:var(--text-secondary)}.PushNotificationSettings_debugInfo__UFJNd .PushNotificationSettings_success__ZGogp{color:var(--success-color)}.PushNotificationSettings_debugInfo__UFJNd .PushNotificationSettings_error__iXMY4{color:var(--danger-color)}.PushNotificationSettings_debugInfo__UFJNd .PushNotificationSettings_warning__FNbSJ{color:var(--warning-color)}[data-theme=dark] .PushNotificationSettings_debugSection__4aAwA{background:#2d2d2dcc;border-color:#ffffff1a}[data-theme=dark] .PushNotificationSettings_refreshButton__aQFJ-{background:var(--secondary-color)}[data-theme=dark] .PushNotificationSettings_refreshButton__aQFJ-:hover{background:var(--secondary-hover)}@media print{.PushNotificationSettings_debugSection__4aAwA,.PushNotificationSettings_notificationPermissionBanner__nOXYd,.PushNotificationSettings_notificationQueue__eG7yB,.PushNotificationSettings_pushNotificationContainer__NmdC-{display:none}}.StudentNotifications_notificationsContainer__jJhef{background:#fff;background:var(--surface,#fff);border-radius:12px;box-shadow:0 2px 8px #0000001a;margin-bottom:24px;padding:24px}.StudentNotifications_header__9oT5N{align-items:center;display:flex;justify-content:space-between;margin-bottom:20px}.StudentNotifications_header__9oT5N h3{color:#1f2937;color:var(--text-primary,#1f2937);font-size:20px;font-weight:600;margin:0}.StudentNotifications_refreshBtn__9OdBT{background:none;border:none;border-radius:6px;cursor:pointer;font-size:18px;padding:8px;transition:background .2s}.StudentNotifications_refreshBtn__9OdBT:hover{background:#f9fafb;background:var(--surface-secondary,#f9fafb)}.StudentNotifications_loading__dJXCu{font-style:italic}.StudentNotifications_emptyState__UQGbL,.StudentNotifications_loading__dJXCu{color:#6b7280;color:var(--text-secondary,#6b7280);padding:40px 20px;text-align:center}.StudentNotifications_emptyIcon__XrEgK{font-size:48px;margin-bottom:16px}.StudentNotifications_emptyState__UQGbL p{font-size:16px;font-weight:500;margin:8px 0}.StudentNotifications_emptyState__UQGbL 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h3{color:var(--text-primary);font-size:1.25rem;font-weight:700;margin:0 0 1.5rem}.StudentAnalytics_summaryStats__Czyy-{display:flex;flex-direction:column;gap:1rem}.StudentAnalytics_summaryItem__8yFkd{align-items:center;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;padding:.75rem 0}.StudentAnalytics_summaryItem__8yFkd:last-child{border-bottom:none}.StudentAnalytics_summaryLabel__R1kKd{color:var(--text-secondary);font-weight:500}.StudentAnalytics_summaryValue__YM\+oJ{color:var(--text-primary);font-size:1.1rem;font-weight:700}.StudentAnalytics_leaderboardSection__MaXIW{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 4px 12px var(--shadow-light);padding:2rem}.StudentAnalytics_leaderboardSection__MaXIW h3{color:var(--text-primary);font-size:1.25rem;font-weight:700;margin:0 0 1.5rem}.StudentAnalytics_leaderboard__WFdSi{border:1px solid var(--border-color);border-radius:12px;overflow:hidden}.StudentAnalytics_leaderboardHeader__diguU{background:var(--bg-tertiary);color:var(--text-primary);font-size:.875rem;font-weight:700;letter-spacing:.025em;text-transform:uppercase}.StudentAnalytics_leaderboardHeader__diguU,.StudentAnalytics_leaderboardRow__vRBci{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:60px 1fr 80px 80px 80px;padding:1rem 1.5rem}.StudentAnalytics_leaderboardRow__vRBci{background:var(--card-bg);border-bottom:1px solid var(--border-light);transition:all .2s ease}.StudentAnalytics_leaderboardRow__vRBci:hover{background:var(--card-hover)}.StudentAnalytics_leaderboardRow__vRBci:last-child{border-bottom:none}.StudentAnalytics_currentStudent__r07Z4{background:linear-gradient(135deg,#fef3c7,#fde68a)!important;border-left:4px solid #f59e0b;font-weight:600}.StudentAnalytics_rankPosition__dlu5f{align-items:center;color:var(--text-primary);display:flex;font-weight:700}.StudentAnalytics_studentName__yN9FS{align-items:center;color:var(--text-primary);display:flex;gap:.5rem}.StudentAnalytics_youLabel__R-8FK{background:#f59e0b;border-radius:12px;color:#fff;font-size:.75rem;font-weight:600;padding:.25rem .5rem}.StudentAnalytics_accuracy__KqU\+S,.StudentAnalytics_problemsSolved__lxRiZ,.StudentAnalytics_studentScore__Ii7ID{align-items:center;color:var(--text-secondary);display:flex;font-weight:600;justify-content:center}.StudentAnalytics_loadingState__oaMSS{align-items:center;color:var(--text-secondary);display:flex;flex-direction:column;padding:3rem}.StudentAnalytics_spinner__WaWGj{animation:StudentAnalytics_spin__lNZNW 1s linear infinite;border-top:3px solid var(--border-color);border:3px solid var(--border-color);border-radius:50%;border-top-color:var(--primary-color);height:40px;margin-bottom:1rem;width:40px}@keyframes StudentAnalytics_spin__lNZNW{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.StudentAnalytics_noRankingsState__TRTUW{align-items:center;color:var(--text-secondary);display:flex;flex-direction:column;padding:3rem;text-align:center}.StudentAnalytics_noRankingsState__TRTUW .StudentAnalytics_noDataIcon__neEaq{font-size:3rem;margin-bottom:1rem}.StudentAnalytics_noRankingsState__TRTUW h4{color:var(--text-primary);margin-bottom:.5rem}[data-theme=dark] .StudentAnalytics_currentRankCard__yluJN{background:linear-gradient(135deg,#60a5fa,#3b82f6);box-shadow:0 8px 24px #60a5fa4d}[data-theme=dark] .StudentAnalytics_currentStudent__r07Z4{background:linear-gradient(135deg,#92400e,#b45309)!important;border-left-color:#fbbf24}[data-theme=dark] .StudentAnalytics_youLabel__R-8FK{background:#fbbf24;color:#1f2937}@media 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