.tTG{transition:all 0.3s ease;}.tTG:hover{transform:translateY(-5px);box-shadow:0 8px 16px rgba(0,0,0,0.2);}.klW{transition:all 0.3s ease;}.klW:hover{transform:scale(1.05);box-shadow:0 10px 25px rgba(0,0,0,0.2);}.card-header.bg-info{background-color:#17a2b8 !important;}.card-header.bg-success{background-color:#28a745 !important;}.card-header.bg-warning{background-color:#ffc107 !important;color:#212529 !important;}.card-header.bg-danger{background-color:#dc3545 !important;}.accordion-button:not(.collapsed){background-color:#e7f1ff;color:#0c63e4;}.accordion-button:focus{border-color:#86b7fe;box-shadow:0 0 0 0.25rem rgba(13,110,253,0.25);}.btn{border-radius:0.375rem;}.btn-primary{background-color:#0d6efd;border-color:#0d6efd;}.btn-success{background-color:#198754;border-color:#198754;}.btn-info{background-color:#0dcaf0;border-color:#0dcaf0;color:#000;}.btn-warning{background-color:#ffc107;border-color:#ffc107;color:#000;}.btn-danger{background-color:#dc3545;border-color:#dc3545;}canvas{width:100%;height:auto;border:1px solid #dee2e6;border-radius:0.375rem;}.solution{background-color:#f8f9fa;border-left:4px solid #0d6efd;padding:1rem;margin-top:1rem;border-radius:0 0.375rem 0.375rem 0;}footer{margin-top:auto;}@media (max-width:768px){.hero-section{padding:2rem 0;}h1.display-4{font-size:2rem;}.col-md-2{flex:0 0 auto;width:50%;}}