require_root() {
    [[ $EUID -ne 0 ]] && { echo "❌ Запусти от root"; exit 1; }
}

log() {
    echo "[+] $1"
    echo "$(date) | $1" >> "$LOG_FILE"
}

warn() {
    echo "[!] $1"
}

err() {
    echo "[x] $1"
}

pause() {
    read -p "Нажмите Enter..."
}