.collapse:not(.show) {
    display: none;
}

[data-bs-toggle="collapse"] {
    cursor: pointer;
}

.btn[data-bs-toggle="collapse"] {
    display: inline-block;
    padding: .375rem .75rem;
    border: 1px solid transparent;
    border-radius: .25rem;
    color: #fff;
    background: var(--bs-primary);
    font: inherit;
    line-height: 1.5;
    text-align: center;
}

.btn[data-bs-toggle="collapse"]:hover,
.btn[data-bs-toggle="collapse"]:focus-visible {
    filter: brightness(.9);
}

.btn-primary[data-bs-toggle="collapse"]   { background: var(--bs-primary); }
.btn-secondary[data-bs-toggle="collapse"] { background: #6c757d; }
.btn-success[data-bs-toggle="collapse"]   { background: #198754; }
.btn-danger[data-bs-toggle="collapse"]    { background: #dc3545; }
.btn-warning[data-bs-toggle="collapse"]   { color: #000; background: #ffc107; }
.btn-info[data-bs-toggle="collapse"]      { color: #000; background: #0dcaf0; }
.btn-light[data-bs-toggle="collapse"]     { color: #000; background: #f8f9fa; border-color: #ddd; }
.btn-dark[data-bs-toggle="collapse"]      { background: #212529; }

@media print {
    .collapse { display: block !important; }
}