.upload-group {
  margin-bottom: 0.5rem;
}

.upload-group-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.upload-group .upload-zone {
  margin-bottom: 1rem;
}

.result-preview {
  margin-bottom: 1.5rem;
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.preview-table th,
.preview-table td {
  padding: 0.4rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.preview-table th {
  background: rgba(255, 255, 255, 0.04);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  position: sticky;
  top: 0;
}

.preview-table tr:last-child td {
  border-bottom: none;
}

.preview-table .cell-label {
  background: rgba(139, 92, 246, 0.08);
  color: var(--color-text-muted);
  font-weight: 500;
  width: 40%;
  font-size: 0.8rem;
}

.preview-table .cell-value {
  background: rgba(255, 255, 255, 0.03);
}

.preview-table .row-spacer td {
  height: 6px;
  background: var(--color-bg);
  padding: 0;
}

.preview-note {
  text-align: center;
  padding: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.02);
}