.file-upload-container {
  position: relative;
  border: 2px dashed #ddd;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  background: #f8f9fa;
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.03);
}

.file-upload-container:hover {
  border-color: #696cff;
  background: #f5f5f5;
}

.file-upload-container.dragging {
  border-color: #696cff;
  background: #f0f0ff;
  transition: all 0.3s ease;
}

.file-upload-label {
  cursor: pointer;
  display: block;
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  border-radius: 12px;
}

.loading-indicator {
  background-color: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
}

.loading-indicator img {
  animation: pulse 1.5s infinite ease-in-out;
}

@keyframes pulse {
  0% {
    opacity: 0.6;
    transform: scale(0.95);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  100% {
    opacity: 0.6;
    transform: scale(0.95);
  }
}

.file-upload-container.dragging,
.image-uploader.dragging {
  border-color: #696cff;
  background: #f0f0ff;
  transition: all 0.3s ease;
}

/* Стили для отключенной кнопки */
.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Анимация спиннера */
.spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.15em;
}

/* Стили для файловых превью */
.file-preview {
  transition: all 0.2s ease;
}

.file-preview:hover {
  background: #e9ecef !important;
  transform: scale(1.05);
}

.file-item {
  transition: all 0.2s ease;
  padding: 8px;
  border-radius: 6px;
}

.file-item:hover {
  background: #f8f9fa;
}

.btn-outline-primary:hover {
  transform: scale(1.05);
}

/* Стили для drag & drop сортировки */
.sortable-ghost {
  opacity: 0.4;
  background: #f0f0ff !important;
  border: 2px dashed #696cff !important;
}

.sortable-chosen {
  cursor: grabbing !important;
}

.sortable-drag {
  transform: rotate(5deg);
  opacity: 0.8;
}

.image-item {
  cursor: grab;
}

.image-item:active {
  cursor: grabbing;
}

/* Предотвращение выделения и улучшение drag & drop */
.image-item img {
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  draggable: false;
}

.image-item {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
}