Implement the new invite modal designs

src/Overlay.module.css

@@ -0,0 +1,99 @@
+/*
+Copyright 2023 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.bg {
+  position: fixed;
+  z-index: 100;
+  inset: 0;
+  background: rgba(3, 12, 27, 0.528);
+}
+
+@keyframes fade-in {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+.bg.animate[data-state="open"] {
+  animation: fade-in 200ms;
+}
+
+@keyframes fade-out {
+  from {
+    opacity: 1;
+  }
+  to {
+    opacity: 0;
+  }
+}
+
+.bg.animate[data-state="closed"] {
+  animation: fade-out 130ms;
+}
+
+.overlay {
+  position: fixed;
+  z-index: 101;
+}
+
+.overlay.animate {
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+}
+
+@keyframes zoom-in {
+  from {
+    opacity: 0;
+    transform: translate(-50%, -50%) scale(80%);
+  }
+  to {
+    opacity: 1;
+    transform: translate(-50%, -50%) scale(100%);
+  }
+}
+
+@keyframes zoom-out {
+  from {
+    opacity: 1;
+    transform: translate(-50%, -50%) scale(100%);
+  }
+  to {
+    opacity: 0;
+    transform: translate(-50%, -50%) scale(80%);
+  }
+}
+
+.overlay.animate[data-state="open"] {
+  animation: zoom-in 200ms;
+}
+
+.overlay.animate[data-state="closed"] {
+  animation: zoom-out 130ms;
+}
+
+@media (prefers-reduced-motion) {
+  .overlay.animate[data-state="open"] {
+    animation-name: fade-in;
+  }
+
+  .overlay.animate[data-state="closed"] {
+    animation-name: fade-out;
+  }
+}