/* Minimal Bootstrap 5 compatibility overrides for close button when using BS4 CSS */

/* Render a close (X) icon for .btn-close, which BS5 uses but BS4 doesn't style */
.btn-close {
  position: relative;
  box-sizing: content-box;
  width: 1rem;
  height: 1rem;
  padding: 0.25rem; /* small clickable padding */
  border: 0;
  background: transparent; /* ensure no unwanted backgrounds */
  color: #000; /* matches BS default close color */
  opacity: 0.5;
  -webkit-appearance: none;
  appearance: none;
}

.btn-close:hover {
  opacity: 0.75;
}

.btn-close:focus {
  outline: 0;
  opacity: 1;
}

.btn-close:disabled, .btn-close.disabled {
  pointer-events: none;
  opacity: 0.25;
}

/* Draw the X using pseudo-elements so we don't depend on data-URI SVGs */
.btn-close::before,
.btn-close::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.875rem;
  height: 2px;
  background-color: currentColor;
  transform-origin: center;
}

.btn-close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.btn-close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* Match BS4 modal header spacing so the button sits at the edge */
.modal-header .btn-close {
  /* mimic BS4 .modal-header .close spacing: -$modal-header-padding on 3 sides, auto on the opposite */
  margin: -1rem -1rem -1rem auto;
  padding: 1rem;
}

/* Project-wide de-duplication: hide legacy/custom close controls in headers
   so only the Reactstrap v9/BS5 .btn-close is visible. */
.modal-header button.close,
.modal-header .close,
.modal-header .modal-close-icon {
  display: none !important;
}