/* Bootstrap 3 → 5 backward compatibility layer */
.form-group { margin-bottom: 1rem; }
.form-row { display: flex; flex-wrap: wrap; margin-right: -5px; margin-left: -5px; }
.form-row > [class*="col-"] { padding-right: 5px; padding-left: 5px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.jumbotron { padding: 2rem 1rem; margin-bottom: 2rem; background-color: #e9ecef; border-radius: .3rem; }
.close { float: right; font-size: 1.5rem; font-weight: 700; line-height: 1; color: #000; text-shadow: 0 1px 0 #fff; background: none; border: 0; cursor: pointer; padding: 0; opacity: .5; }
.close:hover { opacity: .75; }
.input-group-append { display: flex; align-items: stretch; }
.input-group-append .btn { position: relative; z-index: 0; }
.table > thead > tr > th { position: relative; }
.dataTables_wrapper .dataTables_filter { float: right; text-align: right; }
.dataTables_wrapper .dataTables_paginate { float: right; }