Improve premeeting screens ux (jitsi#9726)

* feat(prejoin) move invite to toolbar section

* feat(premeeting) redesign prejoin and lobby screens

* code review changes

* fix prejoin flicker and avatar id

* fix password error message and native lobby dialog close position

css/_mixins.scss

@@ -206,13 +206,3 @@
     bottom: 0;
     width: 35%;
 }
-
-/**
- * Resizes elements width to fill the whole screen width with some margin
- */
-@mixin adjust-for-max-width($width, $margin) {
-    @media (max-width: $width) {
-        margin: 0 $margin;
-        width: $width - 2 * $margin;
-    }
-}

css/_toolbars.scss

@@ -334,7 +334,7 @@
             border-radius: 0;
             display: flex;
             justify-content: space-evenly;
-            padding: 6px 0;
+            padding: 8px 0;
             width: 100%;
         }
 

css/_variables.scss

@@ -264,3 +264,9 @@ $chromeExtensionBannerRightInMeeeting: 10px;
 */
 $smallScreen: 700px;
 $verySmallScreen: 500px;
+
+/**
+* Prejoin / premeeting screen
+*/
+
+$prejoinDefaultContentWidth: 336px;

css/main.scss

@@ -79,7 +79,6 @@ $flagsImagePath: "../images/";
 @import 'filmstrip/vertical_filmstrip';
 @import 'filmstrip/vertical_filmstrip_overrides';
 @import 'labels';
-@import 'lobby';
 @import 'unsupported-browser/main';
 @import 'modals/invite/add-people';
 @import 'deep-linking/main';
@@ -95,15 +94,12 @@ $flagsImagePath: "../images/";
 @import 'meter';
 @import 'audio-preview';
 @import 'video-preview';
-@import 'prejoin';
-@import 'prejoin-dialog';
+@import 'premeeting/main';
 @import 'country-picker';
 @import 'modals/invite/invite_more';
 @import 'modals/security/security';
-@import 'premeeting-screens';
 @import 'e2ee';
 @import 'responsive';
-@import 'connection-status';
 @import 'drawer';
 @import 'participants-pane';
 @import 'reactions-menu';

css/_connection-status.scss → css/premeeting/_connection-status.scss

@@ -1,32 +1,24 @@
 .con-status {
+    border-radius: 6px;
+    color: #fff;
+    font-size: 12px;
+    letter-spacing: 0.16px;
+    line-height: 16px;
     position: absolute;
-    top: 24px;
     width: 100%;
-    z-index: $toolbarZ + 3;
-
-    &-container {
-        border-radius: 3px;
-        color: #fff;
-        font-size: 13px;
-        line-height: 13px;
-        margin: 0 auto;
-        width: 320px;
-
-        @include adjust-for-max-width(320px, 8px);
-    }
 
     &-header {
-        background: rgba(28, 32, 37, .5);
+        background-color: rgba(0, 0, 0, 0.7);
         align-items: center;
         display: flex;
-        justify-content: space-between;
+        padding: 8px 12px;
     }
 
     &-circle {
         border-radius: 50%;
         display: inline-block;
         padding: 4px;
-        margin: 8px;
+        margin-right: 16px;
     }
 
     &--good {
@@ -42,14 +34,7 @@
     }
 
     &-arrow {
-        height: 36px;
-        width: 36px;
-        border-radius: 3px;
-        margin-left: 8px;
-        margin-right: 2px;
-        display: flex;
-        align-items: center;
-        justify-content: center;
+        margin-left: auto;
         transition: background-color 0.16s ease-out;
 
         &--up {
@@ -70,7 +55,7 @@
     }
 
     &-details {
-        background: rgba(28, 32, 37, .5);
+        background-color: rgba(0, 0, 0, 0.7);
         border-top: 1px solid #5E6D7A;
         padding: 16px;
         transition: opacity 0.16s ease-out;

css/premeeting/_device-status.scss

@@ -0,0 +1,35 @@
+.device {
+    &-status {
+        align-items: center;
+        align-self: stretch;
+        color: #fff;
+        display: flex;
+        font-size: 14px;
+        font-weight: 400;
+        justify-content: center;
+        line-height: 20px;
+        margin-top: 8px;
+        padding: 6px;
+        text-align: center;
+    }
+
+    &-icon {
+        background-position: center;
+        background-repeat: no-repeat;
+        display: inline-block;
+        height: 16px;
+        margin-right: 10px;
+        width: 16px;
+
+        &--warning {
+            svg path {
+                fill: rgba(241, 173, 51, 1);
+            }
+        }
+        &--ok {
+            svg path {
+                fill: #189b55;
+            }
+        }
+    }
+}

css/_lobby.scss → css/premeeting/_lobby.scss

@@ -1,18 +1,21 @@
-#lobby-screen {
-    .content {
+.lobby-screen {
+    font-size: 16px;
+    font-weight: 400;
+    line-height: 26px;
 
-        .container {
-            align-items: center;
-            display: flex;
-            flex-direction: column;
+    &-content {
+        align-items: center;
+        display: flex;
+        flex-direction: column;
 
-            .spinner {
-                margin: 30px;
-            }
+        .spinner {
+            margin: 8px;
+        }
 
-            .joining-message {
-                margin: 10px;
-            }
+        .joining-message {
+            color: white;
+            margin: 24px auto;
+            text-align: center;
         }
     }
 }
@@ -68,7 +71,7 @@
 
     button {
         align-self: stretch;
-        margin: 8px 0;
+        margin-bottom: 8px 0;
         padding: 12px;
         transition: .2s transform ease;
 

css/premeeting/_main.scss

@@ -0,0 +1,7 @@
+@import 'connection-status';
+@import 'device-status';
+@import 'lobby';
+@import 'premeeting-screens';
+@import 'prejoin';
+@import 'prejoin-dialog';
+@import 'prejoin-third-party';