body {
    font-family: 'Inter', sans-serif;
}

.modal {
    transition: opacity 0.3s ease;
    /* Ensure modals are on the highest layer */
    z-index: 100; 
}

.modal-content {
    transition: transform 0.3s ease;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.nav-link {
    transition: background-color 0.2s, color 0.2s;
}

.nav-link.active {
    background-color: #1f2937; /* Black accent color */
    color: white;
}

.page {
    display: none;
    animation: fadeIn 0.5s;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}