body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

.card {
    border-radius: 12px;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.table th {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    vertical-align: middle;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

.toast {
    min-width: 280px;
}

/* Compact chart tiles */
#statusChart,
#roleChart,
#membershipTypeChart,
#expiryChart {
    max-height: 180px;
}

/* Theme toggle switch */
.theme-switch {
    display: flex;
    align-items: center;
    gap: 6px;
}

    .theme-switch .form-check-input {
        width: 2.2em;
        height: 1.1em;
        cursor: pointer;
    }

/* ===== DARK THEME ===== */
[data-theme="dark"] {
    background-color: #121212 !important;
    color: #e8eaed;
}

    [data-theme="dark"] .navbar {
        background-color: #1e1e1e !important;
        border-bottom: 1px solid #333;
    }

    [data-theme="dark"] .card {
        background-color: #1e1e1e;
        color: #e8eaed;
        border: 1px solid #333;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4) !important;
    }

        [data-theme="dark"] .card .text-muted {
            color: #adb5bd !important;
        }

        [data-theme="dark"] .card h3,
        [data-theme="dark"] .card h5,
        [data-theme="dark"] .card h6 {
            color: #f1f3f5;
        }

    [data-theme="dark"] .table {
        color: #e8eaed;
        --bs-table-bg: #1e1e1e;
        --bs-table-hover-bg: #2a2a2a;
        --bs-table-striped-bg: #252525;
    }

    [data-theme="dark"] .table-light {
        --bs-table-bg: #252525;
        --bs-table-color: #e8eaed;
    }

    [data-theme="dark"] .table th {
        color: #ced4da;
        border-color: #444;
    }

    [data-theme="dark"] .table td {
        border-color: #333;
        color: #dee2e6;
    }

    [data-theme="dark"] .modal-content {
        background-color: #1e1e1e;
        color: #e8eaed;
        border: 1px solid #444;
    }

    [data-theme="dark"] .modal-header {
        border-color: #444;
    }

    [data-theme="dark"] .modal-footer {
        border-color: #444;
    }

    [data-theme="dark"] .form-control,
    [data-theme="dark"] .form-select {
        background-color: #2a2a2a;
        color: #e8eaed;
        border-color: #555;
    }

        [data-theme="dark"] .form-control:focus,
        [data-theme="dark"] .form-select:focus {
            background-color: #333;
            color: #f1f3f5;
            border-color: #5b9aff;
            box-shadow: 0 0 0 0.2rem rgba(91, 154, 255, 0.25);
        }

    [data-theme="dark"] .form-label {
        color: #ced4da;
    }

    [data-theme="dark"] .btn-outline-light {
        color: #e8eaed;
        border-color: #e8eaed;
    }

    [data-theme="dark"] .btn-outline-info {
        color: #6edff6;
        border-color: #6edff6;
    }

    [data-theme="dark"] .btn-outline-primary {
        color: #6ea8fe;
        border-color: #6ea8fe;
    }

    [data-theme="dark"] .btn-outline-warning {
        color: #ffda6a;
        border-color: #ffda6a;
    }

    [data-theme="dark"] .btn-outline-danger {
        color: #ea868f;
        border-color: #ea868f;
    }

    [data-theme="dark"] .btn-outline-success {
        color: #75b798;
        border-color: #75b798;
    }

    [data-theme="dark"] .toast {
        background-color: #1e1e1e;
        color: #e8eaed;
        border: 1px solid #444;
    }

    [data-theme="dark"] .toast-header {
        background-color: #252525;
        color: #e8eaed;
        border-color: #444;
    }

    [data-theme="dark"] code {
        color: #ff7eb3;
        background-color: rgba(255, 126, 179, 0.1);
        padding: 0.1em 0.3em;
        border-radius: 4px;
    }

    [data-theme="dark"] .btn-close {
        filter: invert(1);
    }

    [data-theme="dark"] .bg-primary.bg-opacity-10,
    [data-theme="dark"] .bg-success.bg-opacity-10,
    [data-theme="dark"] .bg-danger.bg-opacity-10,
    [data-theme="dark"] .bg-info.bg-opacity-10 {
        background-color: rgba(255, 255, 255, 0.08) !important;
    }

    [data-theme="dark"] .alert-danger {
        background-color: #2c1215;
        color: #ea868f;
        border-color: #842029;
    }