import platform
import psutil
import shutil

def run_diagnostics():
    report = {
        "platform": platform.platform(),
        "cpu_percent": psutil.cpu_percent(),
        "memory": psutil.virtual_memory()._asdict(),
        "disk": shutil.disk_usage("/"),
        "status": "🟢 All systems functional"
    }

    if report["memory"]["percent"] > 90:
        report["status"] = "🟡 High memory usage"
    if report["cpu_percent"] > 85:
        report["status"] = "🟡 High CPU load"

    return report