When a girl says "have a great night", does that mean she likes me or attracted to me? rather than the standard "have a good night"?

i feel if i said that to a girl, i had to like her or think she's attractive rather than saying "having a good night". am i feeling myself or am i on to something.. let me know!
When a girl says "have a great night", does that mean she likes me or attracted to me? rather than the standard "have a good night"?
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