What gift should I give my mom for her 50th birthday?

She's really hard to please because she always says "I don't want or need anything" but she does. : Choosing a perfume or clothes for her is a no go, she's not very girly and the perfume could be tricky to choose (scent-wise).

I wanted to buy her a trip, a coupon for some activity day/night or something like that at first but she's so introverted, she prefers to stay at home as much as she can. She's got a new phone recently. She also has her own laptop.

I seriously hate gift shopping.

I'm out of ideas. :(
What gift should I give my mom for her 50th birthday?
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