export function formatBytes(bytes: number): string {
  if (bytes === 0) return "0 B";
  const units = ["B", "KB", "MB", "GB"];
  const exponent = Math.min(Math.floor(Math.log(bytes) / Math.log(1024)), units.length - 1);
  const value = bytes / 1024 ** exponent;
  return `${exponent === 0 ? value : value.toFixed(1)} ${units[exponent]}`;
}

export function formatDuration(ms: number): string {
  if (ms < 1000) return `${Math.round(ms)} ms`;
  return `${(ms / 1000).toFixed(1)} s`;
}