refactor: fit user message in screen

apps/client/src/features/viewers/timer/Timer.scss

@@ -167,36 +167,28 @@
 
   .message-overlay {
     position: fixed;
-    width: 100%;
-    height: 100%;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
-    background-color: $viewer-overlay-bg-color;
-    z-index: -1;
+    padding: 2vw;
+    background: var(--background-color-override, $viewer-background-color);
     opacity: 0;
-    transition: $viewer-transition-time;
+    transition: opacity $viewer-transition-time;
+    z-index: 2;
 
     &--active {
       opacity: 1;
-      transition: $viewer-transition-time;
-      transition-property: opacity;
-      z-index: 2;
     }
   }
 
   .message {
-    width: inherit;
-    padding: 2vw;
-    position: absolute;
-    top: 50%;
-    left: 50%;
-    color: $viewer-color;
-    transform: translate(-50%, -50%);
-    -ms-transform: translate(-50%, -50%);
-    font-size: 15vw;
-    line-height: 30vh;
+    display: grid;
+    place-content: center;
+    height: 100%;
+    width: 100%;
+
+    color: var(--color-override, $viewer-color);
     text-align: center;
     font-weight: 600;
   }

apps/client/src/features/viewers/timer/Timer.tsx

@@ -13,6 +13,7 @@ import {
 } from 'ontime-types';
 
 import { overrideStylesURL } from '../../../common/api/constants';
+import { FitText } from '../../../common/components/fit-text/FitText';
 import MultiPartProgressBar from '../../../common/components/multi-part-progress-bar/MultiPartProgressBar';
 import TitleCard from '../../../common/components/title-card/TitleCard';
 import ViewParamsEditor from '../../../common/components/view-params-editor/ViewParamsEditor';
@@ -163,7 +164,9 @@ export default function Timer(props: TimerProps) {
       <div className={showBlackout ? 'blackout blackout--active' : 'blackout'} />
       {!userOptions.hideMessage && (
         <div className={showOverlay ? 'message-overlay message-overlay--active' : 'message-overlay'}>
-          <div className={`message ${showBlinking ? 'blink' : ''}`}>{pres.text}</div>
+          <FitText mode='multi' min={32} max={256} className={`message ${showBlinking ? 'blink' : ''}`}>
+            {pres.text}
+          </FitText>
         </div>
       )}