Code
sass
// _variables.scss
$primary: #1976d2;
// _mixins.scss
@mixin center { display: flex; justify-content: center; align-items: center; }
// main.scss (entry)
@use "variables" as v;
@use "mixins" as m;
.button {
background: v.$primary;
@include m.center;
}
// @use (modern) is namespaced and loads each file once.
// @import (legacy) is global and can cause duplication.
// Partials are prefixed with _ so Sass skips emitting them.