refactor: BEMify, better use of SCSS, collate styles

src/components/NsfwSwitch.vue

@@ -1,7 +1,7 @@
 <template>
   <label class="nsfw-switch" :for="id">
-    <div>😇</div>
-    <div class="toggle-wrap">
+    <div class="nsfw-switch__label">😇</div>
+    <div class="nsfw-switch__toggle">
       <input
         :checked="modelValue"
         @change="$emit('update:modelValue', $event.target.checked)"
@@ -9,9 +9,9 @@
         name="nsfw"
         :id="id"
       />
-      <div class="toggle"></div>
+      <div class="nsfw-switch__toggle-inner"></div>
     </div>
-    <div>😈</div>
+    <div class="nsfw-switch__label">😈</div>
   </label>
 </template>
 
@@ -34,23 +34,36 @@ export default {
 
   padding: 0.5em;
 
-  display: inline-flex;
+  display: flex;
   justify-content: center;
   align-items: center;
   align-content: center;
 
-  > div {
+  &__label,
+  &__toggle {
     flex: 0 1 auto;
     align-self: center;
     line-height: 1;
     text-align: center;
   }
 
-  .toggle-wrap {
+  &__toggle {
     margin: 0 0.5em;
+
+    & input:checked + &-inner {
+      background-color: $bg-color-light;
+
+      &:before {
+        transform: translate3d(0.9em, 0.1em, 0) scale3d(0, 0, 0);
+      }
+
+      &:after {
+        transform: translate3d(1.1em, 0.1em, 0);
+      }
+    }
   }
 
-  .toggle {
+  &__toggle-inner {
     position: relative;
     display: inline-block;
     width: 2.3em;
@@ -60,61 +73,43 @@ export default {
     vertical-align: text-bottom;
     transition: all 0.3s linear;
 
-    &::before {
+    &:before,
+    &:after {
       content: "";
       position: absolute;
       left: 0;
-      width: 2.1em;
       height: 1.1em;
       background-color: #fff;
       border-radius: 0.55em;
+    }
+
+    &:before {
+      width: 2.1em;
       transform: translate3d(0.1em, 0.1em, 0) scale3d(1, 1, 1);
       transition: all 0.25s linear;
     }
 
-    &::after {
-      content: "";
-      position: absolute;
-      left: 0;
+    &:after {
       width: 1.1em;
-      height: 1.1em;
-      background-color: #fff;
-      border-radius: 0.55em;
       box-shadow: 0 0.1em 0.1em rgba(0, 0, 0, 0.24);
       transform: translate3d(0.1em, 0.1em, 0);
       transition: all 0.2s ease-in-out;
     }
   }
 
-  &:active {
-    .toggle::after {
-      width: 1.4em;
-      transform: translate3d(0.1em, 0.1em, 0);
-    }
-
-    input {
-      &:checked + .toggle::after {
-        transform: translate3d(0.8em, 0.1em, 0);
-      }
-    }
-  }
-
   input {
     position: absolute;
     opacity: 0;
     pointer-events: none;
+  }
 
-    &:checked + .toggle {
-      background-color: $bg-color-light;
+  &:active &__toggle-inner:after {
+    width: 1.4em;
+    transform: translate3d(0.1em, 0.1em, 0);
+  }
 
-      &::before {
-        transform: translate3d(0.9em, 0.1em, 0) scale3d(0, 0, 0);
-      }
-
-      &::after {
-        transform: translate3d(1.1em, 0.1em, 0);
-      }
-    }
+  &:active input:checked + &__toggle-inner:after {
+    transform: translate3d(0.8em, 0.1em, 0);
   }
 }
 </style>