ui/splash: add scene splash screen

pkgs/clan-app/ui/src/scene/splash.css

@@ -0,0 +1,45 @@
+#splash {
+  position: fixed;
+  inset: 0;
+  background: linear-gradient(to top, #e3e7e7, #edf1f1);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 9999;
+  pointer-events: none;
+}
+
+#splash .content {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.title {
+  @apply h-8 mb-8;
+}
+
+.loader {
+  @apply h-3 w-60 mb-3;
+  width: 18rem;
+  background: repeating-linear-gradient(
+    -45deg,
+    #bfd0d2 0px,
+    #bfd0d2 10px,
+    #f7f9fa 10px,
+    #f7f9fa 20px
+  );
+  animation: stripe-move 1s linear infinite;
+  background-size: 28px 28px; /* Sqrt(20^2 + 20^2) ~= 28 */
+
+  @apply border-2 border-solid rounded-[3px] border-bg-def-1;
+}
+
+@keyframes stripe-move {
+  0% {
+    background-position: 0 0;
+  }
+  100% {
+    background-position: 28px 0;
+  }
+}

pkgs/clan-app/ui/src/scene/splash.stories.tsx

@@ -0,0 +1,15 @@
+import { Meta, StoryObj } from "@kachurun/storybook-solid";
+import { Splash } from "./splash";
+
+const meta: Meta = {
+  title: "scene/splash",
+  component: Splash,
+};
+
+export default meta;
+
+type Story = StoryObj;
+
+export const Default: Story = {
+  args: {},
+};

pkgs/clan-app/ui/src/scene/splash.tsx

@@ -0,0 +1,18 @@
+import Logo from "@/logos/darknet-builder-logo.svg";
+import "./splash.css";
+import { Typography } from "../components/Typography/Typography";
+
+export const Splash = () => (
+  <div id="splash">
+    <div class="content">
+      <span class="title">
+        <Logo />
+      </span>
+      <div class="loader"></div>
+
+      <Typography hierarchy="label" size="xs" weight="medium">
+        Loading new Clan
+      </Typography>
+    </div>
+  </div>
+);