export function formatBytes(bytes: number): string { if (bytes > 1e9) return (bytes / 1e9).toFixed(1) + " GB"; if (bytes > 1e6) return (bytes / 1e6).toFixed(1) + " MB"; return (bytes / 1e3).toFixed(1) + " KB"; } export function statColor(percent: number): string { if (percent > 80) return "#ef4444"; if (percent > 60) return "#f59e0b"; return "#3b82f6"; } export function pad(n: number): string { return String(n).padStart(2, "0"); }