.confirm-modal-dark {
    background-color: #212529;          /* głęboka czerń */
    color: #ffffff;                     /* białe litery */
    border: 1px solid rgba(255,255,255,.15);
    box-shadow: 0 20px 40px rgba(0,0,0,.7);
    
}

/* Nagłówek */
.confirm-modal-dark .modal-header {
    border-bottom: 1px solid rgba(255,255,255,.1);
}

/* Stopka */
.confirm-modal-dark .modal-footer {
    border-top: 1px solid rgba(255,255,255,.1);
}

/* Tekst */
.confirm-modal-dark .modal-title,
.confirm-modal-dark .modal-body {
    color: #fff;
    font-weight: 200;
}

/* Przycisk X */
.confirm-modal-dark .btn-close {
    filter: invert(1);
    opacity: .8;
}

/* Przyciski */
.confirm-modal-dark .btn-secondary {
    background-color: #2a2a2a;
    border-color: #444;
}

.confirm-modal-dark .btn-secondary:hover {
    background-color: #333;
}

.confirm-modal-dark .btn-danger {
    background-color: #b02a37;
    border-color: #b02a37;
}

.confirm-modal-dark .btn-danger:hover {
    background-color: #dc3545;
}