body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: #111827;
  background: #ffffff;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 12px 16px;
  border-bottom: 1px solid #e5e7eb;
  background: #ffffff;
}

.title {
  font-weight: 700;
}

.meta, .stats {
  color: #6b7280;
  font-size: 12px;
}

.content {
  padding: 12px 16px;
}

.file-tree {
  width: 100%;
  border-collapse: collapse;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
}

.file-tree th {
  position: sticky;
  top: 49px;
  background: #f9fafb;
  border-bottom: 2px solid #e5e7eb;
  padding: 8px 10px;
  text-align: left;
  font-weight: 700;
}

.file-tree td {
  padding: 4px 10px;
  border-bottom: 1px solid #f3f4f6;
  white-space: nowrap;
}

.col-name {
  width: auto;
}

.col-chmod {
  width: 70px;
  text-align: right;
}

.col-owner {
  width: 160px;
  color: #6b7280;
}

.col-status {
  width: 60px;
  text-align: center;
}

.col-size {
  width: 100px;
  text-align: right;
  color: #6b7280;
}

.col-date {
  width: 110px;
  color: #6b7280;
}

.tree-prefix {
  white-space: pre;
  color: #9ca3af;
}

.icon {
  margin: 0 6px;
}

.has-problem {
  background: #fff5f5;
}

.marker-problem {
  color: #dc2626;
  font-weight: 700;
}