@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

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

/* Custom Date Popup Modal */
#customDatePopup {
    display: none;
    position: fixed;
    z-index: 99999;
    min-width: 320px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.25rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.14);
    animation: fadeInDown .15s ease;
}

.dark-mode #customDatePopup {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.popup-title {
    font-weight: 700;
    color: #0f172a;
    margin-bottom: .75rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.dark-mode .popup-title {
    color: #f8fafc;
}

.popup-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .5rem;
    margin-bottom: .75rem;
}

.popup-label {
    font-size: .78rem;
    color: #64748b;
    font-weight: 600;
    display: block;
    margin-bottom: .25rem;
}

.dark-mode .popup-label {
    color: #94a3b8;
}

.popup-actions {
    display: flex;
    gap: .5rem;
}