.header-gradient {
    background: linear-gradient(90deg, #1e3a8a 0%, #3b82f6 100%);
}

.cost-card {
    transition: transform 0.3s ease;
}

.cost-card:hover {
    transform: translateY(-5px);
}

.table-header {
    background-color: #1e3a8a;
    color: white;
}

.input-field {
    border: 2px solid #3b82f6;
    border-radius: 0.375rem;
    padding: 0.5rem;
    width: 100%;
}

.input-field:focus {
    outline: none;
    border-color: #1e3a8a;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
}