.formula-box {
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 1.75rem;
    background: #f8fafc;
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    margin: 2.5rem 0;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: 2px;
}

.variable-list {
    margin-bottom: 2rem;
    padding-left: 1rem;
}

.variable-list li {
    font-family: 'Lora', Georgia, serif;
    font-size: 1.125rem;
    line-height: 1.8;
    color: #333333;
    margin-bottom: 1rem;
}

.variable-list strong {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: #111;
    margin-right: 0.5rem;
}

/* Table Styles */
.table-responsive {
    overflow-x: auto;
    margin: 3rem 0;
}

.density-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Inter', sans-serif;
    background: #ffffff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    overflow: hidden;
}

.density-table th, 
.density-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.density-table th {
    background-color: #f8fafc;
    color: #4a5568;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.density-table td {
    color: #1a202c;
    font-size: 1rem;
}

.density-table tr:last-child td {
    border-bottom: none;
}

.density-table tbody tr:hover {
    background-color: #f8fafc;
}