.ajax-form {
  position: relative;
}
.ajax-form.ajax-form-submitting {
  opacity: 0.6;
  pointer-events: none;
}
.ajax-form.ajax-form-submitting .ajax-form-overlay {
  display: flex;
}
.ajax-form.ajax-form-success .ajax-form-message-success {
  display: block;
}
.ajax-form.ajax-form-error .ajax-form-message-error {
  display: block;
}

.ajax-form-overlay {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(var(--bs-body-bg-rgb), 0.8);
  align-items: center;
  justify-content: center;
  z-index: 10;
}
.ajax-form-overlay .spinner-border {
  color: var(--bs-primary);
}

.ajax-form-progress {
  margin-top: 1rem;
  margin-bottom: 1rem;
}
.ajax-form-progress .progress {
  height: 0.5rem;
  background-color: var(--bs-secondary-bg);
  border-radius: var(--bs-border-radius);
  overflow: hidden;
}
.ajax-form-progress .progress-bar {
  background-color: var(--bs-primary);
  transition: width 0.3s ease;
  height: 100%;
}
.ajax-form-progress .progress-text {
  font-size: 0.875rem;
  color: var(--bs-body-color);
  margin-top: 0.25rem;
  text-align: center;
}

.ajax-form-message {
  margin-top: 1rem;
  display: none;
}
.ajax-form-message.ajax-form-message-success {
  display: none;
}
.ajax-form-message.ajax-form-message-success .alert {
  background-color: var(--bs-success-bg-subtle);
  color: var(--bs-success-text-emphasis);
  border-color: var(--bs-success-border-subtle);
}
.ajax-form-message.ajax-form-message-error {
  display: none;
}
.ajax-form-message.ajax-form-message-error .alert {
  background-color: var(--bs-danger-bg-subtle);
  color: var(--bs-danger-text-emphasis);
  border-color: var(--bs-danger-border-subtle);
}

.ajax-form-file-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}
.ajax-form-file-preview .file-preview-item {
  position: relative;
  width: 100px;
  height: 100px;
  border: 1px solid var(--bs-border-color);
  border-radius: var(--bs-border-radius);
  overflow: hidden;
  background-color: var(--bs-secondary-bg);
}
.ajax-form-file-preview .file-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ajax-form-file-preview .file-preview-item .file-preview-name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(var(--bs-dark-rgb), 0.8);
  color: var(--bs-white);
  font-size: 0.75rem;
  padding: 0.25rem;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ajax-form-file-preview .file-preview-item .file-preview-remove {
  position: absolute;
  top: 0.25rem;
  right: 0.25rem;
  background-color: var(--bs-danger);
  color: var(--bs-white);
  border: none;
  border-radius: 50%;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.875rem;
  line-height: 1;
  padding: 0;
  opacity: 0;
  transition: all 0.3s ease;
}
.ajax-form-file-preview .file-preview-item .file-preview-remove:hover {
  background-color: var(--bs-danger-text-emphasis);
}
.ajax-form-file-preview .file-preview-item:hover .file-preview-remove {
  opacity: 1;
}

.ajax-form-file-input {
  position: relative;
}
.ajax-form-file-input .form-control {
  cursor: pointer;
}
.ajax-form-file-input .file-input-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background-color: var(--bs-secondary-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: var(--bs-border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
}
.ajax-form-file-input .file-input-label:hover {
  background-color: var(--bs-tertiary-bg);
}
.ajax-form-file-input .file-input-label .file-input-icon {
  font-size: 1.25rem;
  color: var(--bs-primary);
}
.ajax-form-file-input .file-input-label .file-input-text {
  color: var(--bs-body-color);
}
.ajax-form-file-input .file-input-info {
  font-size: 0.875rem;
  color: var(--bs-secondary-color);
  margin-top: 0.25rem;
}

.btn-ajax-loading {
  position: relative;
  pointer-events: none;
}
.btn-ajax-loading .btn-ajax-text {
  opacity: 0;
}
.btn-ajax-loading .btn-ajax-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-ajax-spin 0.75s linear infinite;
}

@keyframes btn-ajax-spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}
.ajax-form .was-validated .form-control:valid,
.ajax-form .form-control.is-valid {
  border-color: var(--bs-success);
}
.ajax-form .was-validated .form-control:valid:focus,
.ajax-form .form-control.is-valid:focus {
  border-color: var(--bs-success);
  box-shadow: 0 0 0 0.25rem rgba(var(--bs-success-rgb), 0.25);
}
.ajax-form .was-validated .form-control:invalid,
.ajax-form .form-control.is-invalid {
  border-color: var(--bs-danger);
}
.ajax-form .was-validated .form-control:invalid:focus,
.ajax-form .form-control.is-invalid:focus {
  border-color: var(--bs-danger);
  box-shadow: 0 0 0 0.25rem rgba(var(--bs-danger-rgb), 0.25);
}

@media (prefers-color-scheme: dark) {
  .ajax-form-overlay {
    background-color: rgba(var(--bs-dark-rgb), 0.9);
  }

  .ajax-form-file-preview .file-preview-item {
    background-color: var(--bs-dark);
  }
}
@media (max-width: 576px) {
  .ajax-form-file-preview .file-preview-item {
    width: 80px;
    height: 80px;
  }
}