Fix audio player

Issue #645

src/assets/css/chat.scss

@@ -764,6 +764,12 @@ body {
     .v-icon {
       color: white !important;
     }
+    .v-btn {
+      background-color: black !important;
+    }
+    .v-slider .v-slider-thumb {
+      color: currentColor !important;
+    }
   }
   .play-time {
     font-family: "Inter", sans-serif;
@@ -776,12 +782,22 @@ body {
     flex: 1 1 100%;
     height: 30px;
 
-    .v-slider__thumb {
+    .v-slider-thumb {
       display: none;
     }
-    &:hover .v-slider__thumb {
+    &:hover .v-slider-thumb {
       display: block;
     }
+    .v-slider-track__background {
+      height: 1px;
+      color: currentColor;
+    }
+    .v-slider-track__fill {
+      filter: brightness(2.5);
+      height: 100%;
+      border-radius: 0;
+      opacity: 0.3;
+    }
   }
 }