.prob-calculator-container {
    max-width: 700px;
    margin: 0 auto;
}

.prob-calculator-container .nav-tabs .nav-link {
    color: #475569;
    font-weight: 500;
}

.prob-calculator-container .nav-tabs .nav-link.active {
    color: #2563eb;
    border-bottom: 3px solid #2563eb;
}

.result-box {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}