.popup-alert {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  background: #ffffff;
  border: 1px solid #ccc;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 16px 20px;
  min-width: 300px;
  max-width: 500px;
  width: calc(100% - 30px);
  z-index: 9999;
  display: none;
}

[data-bs-theme=dark] .popup-alert {
  background: #212529;
  border-color: #333;
}

.popup-alert h5 {
  margin: 0 0 10px;
  font-size: 16px;
}

.popup-alert .popup-close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: transparent;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: rgba(43, 49, 57, 0.7);
  transition: 0.3s;
}

[data-bs-theme=dark] .popup-alert .popup-close {
  -webkit-filter: var(--white-filter);
  filter: var(--white-filter);
}

.popup-alert .popup-close:hover {
  color: #2b3139;
}