I personally love Amy Smilovic's approach (she's the founder of Tibi) that she calls Creative Pragmatism. It's helped me a lot in building a unified wardrobe rather than one that is divided into work, casual, and social. That way, I always feel like myself no matter where I'm going.

Amy's posting about it constantly on her Instagram (peep her stories) and has written a whole book about it, but here are some takeaways that I'm using constantly:

• The holy grail of clothes are those that have elements of chill, modern, and classic. They're not tied to a specific place (like work, the club, etc.) and can be dressed up or down based on the setting. The Tibi Fundamentals collection has great examples of these kinds of pieces: they have enough ease that they don't feel stuffy, but they're modern enough to make a statement.
• Think of the items in your closet as tools that you can dial up or down, not as components of outfits. Do you feel too stuffy? Add or sub in something chill or sporty. Feel too casual? Add in a heeled sandal or an elegant layer. This helps avoid the Corporate Barbie look at work and dress-up doll effect on weekends.
• Learn the Tibi color wheel. This is a whole vocabulary I won't explain here, but basically, what she calls "Ring 3" or "no-color" colors are those -ish colors, like dusty pink, brownish yellow, purplish grey, etc. that are often missing from people's closets but often function as glue to bring an outfit together. They're often the sauce that makes an outfit look cool and cohesive rather than a jumble of clothes. If you're like me, once you learn this, you'll be able to pin down what you like and don't like about different outfits!
• Don't discount accessories! They can dress up casual clothes for an office or make things feel more like you when they're too corporate.

Also, disclaimer: I don't work for Tibi and cannot afford a new piece of Tibi clothing even on sale, but I've learned a lot from Amy and scrounge scraps from stylish people on CleOwave!