.drag-drop-upload {
  width: 100%;
}

/* Offline Banner */
.offline-banner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--warning-bg, #fff3cd);
  border: 1px solid var(--warning-border, #ffc107);
  border-radius: 8px;
  margin-bottom: 1rem;
  color: var(--warning-text, #856404);
  font-size: 0.875rem;
}

.offline-banner svg {
  flex-shrink: 0;
}

/* Drop Zone */
.drop-zone {
  border: 2px dashed var(--border-color, #ddd);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-secondary, #f9f9f9);
}

.drop-zone:hover {
  border-color: var(--accent-color, #007bff);
  background: var(--bg-hover, #f0f7ff);
}

.drop-zone--active {
  border-color: var(--accent-color, #007bff);
  background: var(--bg-active, #e6f0ff);
  border-style: solid;
}

.drop-zone--disabled {
  cursor: not-allowed;
  opacity: 0.6;
  background: var(--bg-disabled, #f5f5f5);
}

.drop-zone--disabled:hover {
  border-color: var(--border-color, #ddd);
  background: var(--bg-disabled, #f5f5f5);
}

.drop-zone__input {
  display: none;
}

.drop-zone__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary, #666);
}

.drop-zone__content svg {
  opacity: 0.5;
}

.drop-zone--active .drop-zone__content svg {
  opacity: 1;
  color: var(--accent-color, #007bff);
}

.drop-zone__text {
  margin: 0;
  font-size: 1rem;
}

.drop-zone__text strong {
  color: var(--text-primary, #333);
}

.drop-zone__hint {
  margin: 0;
  font-size: 0.8rem;
  opacity: 0.7;
}

/* Upload Queue */
.upload-queue {
  margin-top: 1rem;
  border: 1px solid var(--border-color, #ddd);
  border-radius: 8px;
  overflow: hidden;
}

.upload-queue__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary, #f9f9f9);
  border-bottom: 1px solid var(--border-color, #ddd);
}

.upload-queue__title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary, #333);
}

.upload-queue__clear {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  border: none;
  background: none;
  color: var(--accent-color, #007bff);
  cursor: pointer;
}

.upload-queue__clear:hover {
  text-decoration: underline;
}

.upload-queue__overall {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary, #f9f9f9);
  border-bottom: 1px solid var(--border-color, #ddd);
}

.upload-queue__overall .progress-bar {
  flex: 1;
}

.upload-queue__overall .progress-bar__text {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary, #666);
  min-width: 3rem;
  text-align: right;
}

.upload-queue__list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 300px;
  overflow-y: auto;
}

/* Upload Item */
.upload-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color-light, #eee);
}

.upload-item:last-child {
  border-bottom: none;
}

.upload-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary, #666);
}

.upload-item--complete .upload-item__icon {
  color: var(--success-color, #28a745);
}

.upload-item--failed .upload-item__icon {
  color: var(--error-color, #dc3545);
}

.upload-item--uploading .upload-item__icon {
  color: var(--accent-color, #007bff);
}

.upload-item--paused .upload-item__icon {
  color: var(--warning-color, #ffc107);
}

.upload-item--validating .upload-item__icon {
  color: var(--accent-color, #007bff);
}

.spinner-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.upload-item__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.upload-item__name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary, #333);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary, #666);
}

.upload-item__size {
  color: var(--text-secondary, #666);
}

.upload-item__speed,
.upload-item__eta {
  color: var(--accent-color, #007bff);
}

.upload-item__artifact {
  color: var(--success-color, #28a745);
  font-family: monospace;
}

.upload-item__error {
  color: var(--error-color, #dc3545);
}

.upload-item__retry-count {
  color: var(--warning-color, #ffc107);
}

.upload-item__validating {
  color: var(--accent-color, #007bff);
  font-style: italic;
}

.upload-item__actions {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.upload-item__btn {
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary, #666);
  transition: all 0.15s ease;
}

.upload-item__btn:hover {
  background: var(--bg-hover, #f0f0f0);
}

.upload-item__btn--retry:hover {
  color: var(--accent-color, #007bff);
}

.upload-item__btn--remove:hover {
  color: var(--error-color, #dc3545);
}

/* Progress Bar */
.progress-bar {
  height: 8px;
  background: var(--border-color, #ddd);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar--small {
  height: 4px;
  margin-top: 0.25rem;
}

.progress-bar__fill {
  height: 100%;
  background: var(--accent-color, #007bff);
  border-radius: 4px;
  transition: width 0.2s ease;
}

.upload-item--complete .progress-bar__fill {
  background: var(--success-color, #28a745);
}

/* Responsive */
@media (max-width: 480px) {
  .drop-zone {
    padding: 1.5rem 1rem;
  }

  .upload-item__meta {
    flex-direction: column;
    gap: 0.125rem;
  }

  .upload-item__speed,
  .upload-item__eta {
    display: none;
  }
}