html,body{box-sizing:border-box;scrollbar-color:#ff9b00 #f1f1f1;scrollbar-width:1rem;width:100%;height:100%;margin:0;padding:0;font-family:Inter,Montserrat,Arial,Helvetica,sans-serif;font-size:18px}#root{flex-direction:column;width:100%;height:100%;display:flex}.teacher-main-img{z-index:1;width:300px;max-width:95vw;margin:0 auto;display:block;position:relative;bottom:-50px}.cta-buttons{justify-content:center;gap:30px;margin-top:10px;display:flex}.main-header{color:#fff;background:#115e59;flex:none;padding:0}.layout-row{flex:auto;min-width:0;min-height:0;display:flex}img{width:auto;height:auto}.sidebar{color:#fff;background:#1a8079;flex-direction:column;flex:0 0 150px;width:150px;min-width:0;transition:width .2s;display:flex;overflow:hidden}.sidebar.collapsed{flex:0 0 30px;width:30px}.katex{color:#115e59;font-weight:700!important}.menu-list{flex-direction:column;flex:auto;min-height:0;display:flex;overflow:hidden}.menu-item{cursor:pointer;white-space:nowrap;align-items:center;gap:.75rem;padding:.5rem;display:flex}.menu-item a{color:#fff;white-space:normal;word-break:break-word;text-decoration:none}.menu-item a:visited{color:#fff}.main-header a,.main-header a:hover a:focus{color:#fff;text-decoration:none}hr{background:#fff;border:none;height:1px;margin:0}.menu-item a:hover{color:#fff}.menu-icon{text-align:center;min-width:1.4rem;font-size:1.4rem}.disabled-link{color:#a0a0a0;cursor:not-allowed;align-items:center;text-decoration:none;display:flex}.menu-label a{align-items:center;gap:.2em;display:flex}.sidebar.collapsed .menu-label{display:none}.collapse-btn-container{flex:none;justify-content:flex-end;align-items:flex-end;width:100%;padding:.5rem .5rem .5rem 0;display:flex}.collapse-btn{color:#fff;cursor:pointer;background:#4a5568;border:none;border-radius:4px;margin-bottom:8px;padding:.25rem;font-size:1.4rem}.central-area{background:#fff;border-left:1px solid #e2e8f0;flex-direction:column;flex:auto;min-width:0;min-height:0;display:flex;overflow:hidden}.central-header{background:#edf2f7;border-bottom:1px solid #e2e8f0;flex:none;padding-top:2px;padding-left:5px;padding-right:5px}.central-header a,a:hover,a:active{color:#115e59}.ReactCrop__crop-selection{background-image:linear-gradient(90deg,#1a8079 50%,#115e59 50%),linear-gradient(90deg,#1a8079 50%,#115e59 50%),linear-gradient(#1a8079 50%,#115e59 50%),linear-gradient(#1a8079 50%,#115e59 50%)!important;animation:none!important}:root{--rc-border-color:#115e59!important;--rc-focus-color:#115e59!important}.columns-2-layout{box-sizing:border-box;gap:1px;height:100%;padding:0;display:flex}.columns-2-layout :first-child{text-align:left;vertical-align:middle;align-items:center;gap:2px;margin-right:auto;padding:1px;display:flex}.columns-2-layout :last-child{text-align:right;vertical-align:middle;align-items:center;gap:5px;padding:2px;display:flex}.grid-2-columns{flex:none;justify-content:flex-start;padding:3px;display:flex}.grid-2-columns div{align-items:center;padding:1px;display:flex}.grid-2-columns #lines-content{align-items:left;width:100%;padding-left:5px;display:inline!important}.muted-text{color:#6b7280;font-size:.9rem}.central-header-columns{background:#edf2f7;border-bottom:1px solid #e2e8f0;flex:none;justify-content:flex-start;padding-top:2px;padding-left:5px;padding-right:5px;display:flex}.central-header-columns :first-child{text-align:left;vertical-align:middle;align-items:center;margin-right:auto;padding-left:10px;display:flex}.central-header-columns :last-child{text-align:right;padding-right:10px}.central-content{flex:auto;min-width:0;min-height:0;padding:1rem;overflow-y:auto}.central-content-inner{background:#f9f9f9;border:1px solid #ddd;border-radius:5px;padding:0 10px 10px;font-family:Inter,Montserrat,Arial,Helvetica,sans-serif;font-size:1rem}.central-footer{background:#f1f5f9;border-top:1px solid #e2e8f0;flex:none;align-items:center;padding:2px;display:flex}.chat-input{border:1px solid #cbd5e1;border-radius:4px;width:100%;padding:.5rem;font-size:1rem}.standard-input{border:1px solid #cbd5e1;border-radius:4px;margin-bottom:.5rem;padding:.5rem;font-size:1rem}.send-btn{color:#fff;cursor:pointer;text-align:center;white-space:nowrap;background:#115e59;border:1px solid #ddd;border-radius:4px;justify-content:center;align-items:center;gap:.2em;height:2rem;margin:0 auto;font-size:1rem;display:flex}.send-btn:not(:disabled):hover,.send-btn:not(:disabled):focus{background:#38ca58}.send-btn:disabled{color:#a0a0a0;cursor:not-allowed;opacity:.7;pointer-events:none;background-color:#e0e0e0;border:1px solid #bdbdbd}.calc-btn{cursor:pointer;background:#115e59;border:1px solid #ddd;text-align:center!important;vertical-align:middle!important;border-radius:4px!important;height:28px!important;margin-left:2px!important;margin-right:2px!important;padding:0!important;font-size:.8rem!important}.calc-btn:not(:disabled):hover,.calc-btn:not(:disabled):focus{background:#38ca58}.calc-btn:disabled{color:#a0a0a0;cursor:not-allowed;opacity:.7;pointer-events:none;background-color:#e0e0e0;border:1px solid #bdbdbd}h1{margin:.1rem;padding:.1rem;font-size:1.2rem}h2{text-align:center;color:#ff9b00;margin-top:10px;font-size:28px;font-weight:600}h3{margin:.1rem;padding:.1rem;font-size:1rem}table{border-collapse:collapse;border-spacing:0}button{cursor:pointer}.table-editor tbody tr td{padding:2px}.table-editor tbody tr td:first-child{text-align:right}.table-editor tbody tr:last-child td{text-align:center}a{cursor:pointer;word-break:break-word;color:#115e59;text-decoration:none}a:hover,a:focus,a:active{outline:none;text-decoration:underline}a:active{color:#b71c1c}a.no-underline{text-decoration:none}a.no-underline:hover,a.no-underline:focus{text-decoration:underline}a.external:after{content:" ↗";vertical-align:middle;color:#90caf9;font-size:.9em}h1 a,h2 a,h3 a{color:inherit;border-bottom:2px solid #1565c0;padding-bottom:1px;text-decoration:none}h1 a:hover,h2 a:hover,h3 a:hover,h1 a:focus,h2 a:focus,h3 a:focus{color:#0d47a1;background-color:#bbdefb;border-bottom:2.5px solid #0d47a1}.p-dialog{border:2px solid #115e59;border-radius:12px;box-shadow:0 4px 24px #4f46e51f;z-index:1001!important;background:#f5f7ff!important}.p-dialog .p-dialog-header{color:#fffde7;background:#115e59;border-radius:6px 6px 0 0;padding:16px 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a:focus{color:#b71c1c;background:#fffde7}.error-message-common{color:#b71c1c}@media print{a[href]:after{content:" (" attr(href)")";color:#222;word-break:break-all;font-size:90%}}a:focus-visible{outline-offset:2px;background:#e3f2fd;outline:2px solid #0d47a1}.grid{grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:10px;display:grid}.card-item{background:#f9f9f9;border:1px solid #cfcfcf;border-radius:5px;padding:0 1px 1px}.card-item-green{background:#f0f3fa;border:1px solid #cfcfcf;border-radius:5px;padding:0 1px 1px}.public-card-content{z-index:10;color:#000;background:#f0f3fa;min-height:0;padding:2px}.public-card-item{text-align:left;background:#f0f3fa;border:1px solid #cfcfcf;border-radius:5px;padding:0 2px 2px;font-family:Inter,Montserrat,Arial,Helvetica,sans-serif;font-size:1rem}.card{background:#f9f9f9;border:1px solid #cfcfcf;border-radius:5px;padding:0 2px 2px}.card input,select{background:#f9f9f9;border:1px solid #ddd;border-radius:4px;padding:.5rem;font-family:Inter,Montserrat,Arial,Helvetica,sans-serif;font-size:1rem}.card button{color:#fff;cursor:pointer;background:#115e59;border:none;border-radius:6px;outline:none;margin-top:.5rem;padding:.3rem;font-size:1rem}.card button:hover,.card button:focus{box-shadow:0 4px 16px #14b8a629}.card button:active{background:#115e59;box-shadow:0 1px 4px #14b8a61a}.message-item{background-color:#f1f5f9;border:1px solid #cfcfcf;border-radius:5px;justify-content:right;max-width:90%;padding:5px}.solv-exec-status-in-progress{color:#fff;text-align:center;white-space:nowrap;background-color:#ff9b00;border-radius:4px;justify-content:center;align-items:center;padding:2px 6px;font-size:.8rem;font-weight:600;display:flex}.solv-exec-status-completed{color:#fff;text-align:center;white-space:nowrap;background-color:#107a27;border-radius:4px;justify-content:center;align-items:center;padding:2px 6px;font-size:.8rem;font-weight:600;display:flex}.solv-exec-status-failed{color:#fff;text-align:center;white-space:nowrap;background-color:#d2593e;border-radius:4px;justify-content:center;align-items:center;padding:2px 6px;font-size:.8rem;font-weight:600;display:flex}.tt-content{background:#f5f7ff;flex:auto;min-height:0;padding:2px;overflow-y:auto}.message-row{gap:16px;margin:3px}.mobile-element{display:none}#problemPhotoImage{max-height:300px}div[contenteditable=true]:focus{outline:1px solid #e3f2fd}.tiblock{text-align:center;justify-content:center;align-items:center;height:17px;display:flex}.tiblock .titext{background:linear-gradient(90deg,#115e59 0%,#43e97b 80%,#115e59 100%) 0 0/200% 100% no-repeat;-webkit-text-fill-color:transparent;color:#0000;will-change:background-position;-webkit-background-clip:text;background-clip:text;padding-right:10px;animation:3s linear infinite gradient-slide}@keyframes 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12px;font-family:inherit;font-size:18px}
html,body{box-sizing:border-box;width:100%;height:100%;margin:0;padding:0;font-family:Inter,Montserrat,Arial,Helvetica,sans-serif;font-size:18px}#root{flex-direction:column;width:100%;height:100%;display:flex}.container{background:#fff;max-width:1100px;height:100%;margin-left:auto;margin-right:auto;box-shadow:0 2px 16px #0000000a}.main-content{text-align:center;align-items:center;height:100%;padding:0}.main-invitation{sz-index:2;background:#f0f3fa;border-radius:5px;width:auto;max-width:90%;padding:0 5px 5px}.main-title{justify-content:center;align-items:center;display:flex}.main-title-content{letter-spacing:2px;color:#17213c;font-size:56px;font-weight:800}.main-title-links a{padding-left:5px;padding-right:5px}.main-title-links :last-child{padding-right:5px}.math-shapes{z-index:-1;pointer-events:none;opacity:.3;width:350px;height:300px;position:absolute;top:170px;left:0}.math-symbols{z-index:-1;pointer-events:none;opacity:.3;width:350px;height:320px;position:absolute;top:400px;right:0}.invitation-text{text-align:left;max-width:600px;padding-top:5px;padding-bottom:5px}.main-statement{text-align:center;flex:1;justify-content:center;align-items:center;margin-top:10px;display:flex}highlight,.attract{color:#115e59;font-weight:700}.main-header a{color:#fff;text-decoration:none}.lang-switcher{justify-content:flex-end;align-items:right;padding-right:10px;display:flex}.lang-select{cursor:pointer;background:#f6f8fa;border:1px solid #ddd;border-radius:6px;padding:6px 12px;font-family:inherit;font-size:18px}.cta-buttons{justify-content:center;gap:30px;margin-top:10px;display:flex}.cta-btn{z-index:2;cursor:pointer;border:none;border-radius:40px;outline:none;padding:12px 54px;font-size:20px;font-weight:600;transition:background .2s,color .2s,box-shadow .2s}.cta-btn.primary{color:#fff;background:#115e59;box-shadow:0 2px 10px #2563eb1f}.cta-btn.primary:hover{background:#38ca58}.cta-btn.secondary{color:#17213c;background:#fff;border:2px solid #17213c}.cta-btn.secondary:hover{color:#115e59;background:#f0f3fa;border-color:#115e59}.katex{color:#115e59;font-weight:700}a{cursor:pointer;word-break:break-word;color:#115e59;text-decoration:none}a:hover,a:focus,a:active{outline:none;text-decoration:underline}
@media (max-width:900px){.main-title-content{font-size:34px!important}.math-shapes,.math-symbols,#static-header{display:none}.teacher-main-img{width:220px;bottom:-50px}.cta-btn{padding:13px 25px;font-size:18px}.header{flex-direction:column;gap:14px;padding:22px 10px 12px}.main-statement{width:auto}.central-content{padding:2px!important}.desktop-element{display:none}.avatar-image{height:35px}.mobile-element{display:block!important}#problemPhotoImage{max-height:150px}#leftNavigation{display:none}}