How do you use CSS `@import` and what are its limitations?

beginner

Re-explain

@import loads external stylesheets:

/* Must be at top of stylesheet */
@import url("base.css");
@import url("components.css") screen and (min-width: 768px);
@import "utilities.css" layer(utilities);

/* Regular styles after imports */
.custom {
  color: red;
}

Limitations:

Blocks rendering until imported CSS loads
Can't be used conditionally
Must appear before other CSS rules
Better to use <link> tags for performance

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