:host {
  display: block;
  box-sizing: border-box;
  font-family: inherit;
}

.nui-file-upload {
  border: 1px solid var(--nui-card-border);
  background: var(--nui-content-background);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.nui-file-upload-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--nui-bg-black-color);
  border-bottom: 1px solid var(--nui-card-border);
  flex-wrap: wrap;
}

.nui-file-upload-progress {
  width: 100%;
  margin-top: var(--spacing-xs);
}

.nui-file-upload-content {
  padding: var(--spacing-md);
  position: relative;
}

/* Drag and Drop Zone */
.nui-file-upload-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  border: 2px dashed var(--nui-card-border);
  border-radius: var(--border-radius-md);
  background: var(--nui-bg-green-color-05);
  color: var(--nui-secondary-text-color);
  text-align: center;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast);
  cursor: pointer;
}

.nui-file-upload-empty[dragover] {
  border-color: var(--nui-primary-color);
  background: var(--nui-primary-highlight-color);
  color: var(--nui-primary-color);
}

.nui-file-upload-empty-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  color: var(--nui-primary-color);
}

.nui-file-upload-empty-text {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* Files List */
.nui-file-upload-files {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.nui-file-upload-file-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm);
  border: 1px solid var(--nui-card-border);
  border-radius: var(--border-radius-sm);
  background: var(--nui-bg-black-color);
}

.nui-file-upload-thumbnail {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--nui-card-border);
  background: var(--nui-bg-dark-color);
  flex-shrink: 0;
}

.nui-file-upload-file-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  flex-grow: 1;
  min-width: 0;
}

.nui-file-upload-file-name {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--nui-white-text-color);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nui-file-upload-file-size {
  font-size: var(--font-size-2xs);
  color: var(--nui-secondary-text-color);
}

.nui-file-upload-file-status {
  padding: 0.125rem 0.375rem;
  font-size: var(--font-size-2xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-sm);
  text-transform: uppercase;
}

.nui-file-upload-file-status[status="pending"] {
  background: var(--nui-primary-secondary-color);
  color: var(--nui-primary-color);
}

.nui-file-upload-file-status[status="uploading"] {
  background: var(--nui-info-color);
  color: var(--nui-contrast-text-color);
}

.nui-file-upload-file-status[status="completed"] {
  background: var(--nui-success-color);
  color: var(--nui-contrast-text-color);
}

.nui-file-upload-file-status[status="failed"] {
  background: var(--nui-danger-color);
  color: var(--nui-contrast-text-color);
}

.nui-file-upload-remove-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--nui-secondary-text-color);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.nui-file-upload-remove-btn:hover {
  background-color: var(--nui-danger-color);
  color: var(--nui-contrast-text-color);
}

/* Basic mode */
.nui-file-upload-basic {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nui-file-upload-basic-info {
  font-size: var(--font-size-xs);
  color: var(--nui-secondary-text-color);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Hidden natywny input */
.nui-file-upload-input {
  display: none;
}