:root {
    --background-color: #ffffff;
    --text-color: #000000;
    --header-background: #f0f0f0;
    --global-column-background: #f0f8ff;
    --dimension-column-background: #f0fff0;
    --hover-background: rgba(0, 0, 0, 0.1);
    --border-color: #e0e0e0;
    --row-even-global: #e6f3ff;
    --row-even-dimension: #e6ffe6;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #1a1a1a;
        --text-color: #e0e0e0;
        --header-background: #333333;
        --global-column-background: rgba(0, 50, 100, 0.3);
        --dimension-column-background: rgba(0, 75, 0, 0.3);
        --hover-background: rgba(255, 255, 255, 0.1);
        --border-color: #3a3a3a;
        --row-even-global: rgba(0, 60, 120, 0.3);
        --row-even-dimension: rgba(0, 90, 0, 0.3);
    }
}

/* Light mode styles */
.custom-dataframe {
    color: #000000;
    background-color: #ffffff;
}

.custom-dataframe thead th {
    background-color: #f0f0f0 !important;
    color: #000000 !important;
}

.custom-dataframe tbody td {
    background-color: #ffffff !important;
    color: #000000 !important;
}

.custom-dataframe thead th:nth-child(-n+4),
.custom-dataframe tbody td:nth-child(-n+4) {
    background-color: #f0f8ff !important;
}

.custom-dataframe thead th:nth-child(n+5),
.custom-dataframe tbody td:nth-child(n+5) {
    background-color: #f0fff0 !important;
}

.custom-dataframe tbody tr:nth-child(even) td:nth-child(-n+4) {
    background-color: #e6f3ff !important;
}

.custom-dataframe tbody tr:nth-child(even) td:nth-child(n+5) {
    background-color: #e6ffe6 !important;
}

/* Dark mode styles */
@media (prefers-color-scheme: dark) {
    .custom-dataframe {
        color: #e0e0e0 !important;
        background-color: #1a1a1a !important;
    }

    .custom-dataframe thead th {
        background-color: #333333 !important;
        color: #ffffff !important;
    }

    .custom-dataframe tbody td {
        background-color: #1a1a1a !important;
        color: #e0e0e0 !important;
    }

    .custom-dataframe thead th:nth-child(-n+4),
    .custom-dataframe tbody td:nth-child(-n+4) {
        background-color: rgba(0, 50, 100, 0.3) !important;
    }

    .custom-dataframe thead th:nth-child(n+5),
    .custom-dataframe tbody td:nth-child(n+5) {
        background-color: rgba(0, 75, 0, 0.3) !important;
    }

    .custom-dataframe tbody tr:nth-child(even) td:nth-child(-n+4) {
        background-color: rgba(0, 60, 120, 0.3) !important;
    }

    .custom-dataframe tbody tr:nth-child(even) td:nth-child(n+5) {
        background-color: rgba(0, 90, 0, 0.3) !important;
    }

    .custom-dataframe tbody tr:hover td {
        background-color: rgba(255, 255, 255, 0.1) !important;
    }
}