.upload-area {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.drop-zone {
  border: 3px dashed var(--border);
  border-radius: 16px;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--bg-main);
  display: block;
}

.drop-zone:hover {
  border-color: var(--primary);
}

.drop-zone.dragging {
  border-color: var(--primary);
  background: rgba(102, 126, 234, 0.08);
}

.drop-zone-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.drop-zone-title {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.drop-zone-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.file-info {
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.file-icon {
  font-size: 1.5rem;
}

.file-name-display {
  flex: 1;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size {
  color: var(--text-secondary);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.file-status {
  font-size: 0.85rem;
  flex-shrink: 0;
  color: var(--text-secondary);
  white-space: nowrap;
}

.file-status-success {
  color: var(--success);
}

.file-status-error {
  color: var(--danger);
}

.file-remove-btn {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.file-remove-btn:hover {
  background: rgba(245, 101, 101, 0.15);
  color: var(--danger);
}

.upload-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.upload-actions .btn-primary {
  flex: 1;
}

.btn-secondary {
  padding: 1rem 1.5rem;
  background: transparent;
  border: 2px solid var(--border);
  border-radius: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}