.eng-calculator-container {
    max-width: 750px;
    margin: 0 auto;
    border-top: 5px solid #0f172a;
    background-color: #f8fafc;
}

.eng-calculator .form-label {
    font-weight: 600;
    color: #1e293b;
    font-size: 0.9rem;
}

.eng-calculator .result-box {
    border: none;
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
}

.eng-calculator .text-eng {
    color: #334155;
}

.eng-calculator .highlight-eng {
    color: #2563eb;
}

@media (max-width: 768px) {
    .eng-calculator .border-end {
        border-end: none !important;
        border-bottom: 1px solid #e2e8f0;
        padding-bottom: 15px;
        margin-bottom: 15px;
    }
}