add visual flourish

src/lib/components/PasswordDialog.svelte

@@ -6,7 +6,8 @@
     openWallet,
   } from "$lib/wallet.svelte";
   import { browser } from "$app/environment";
-  import { onMount } from "svelte";
+  import { onMount, tick } from "svelte";
+  import { fly } from "svelte/transition";
 
   let { onunlock }: { onunlock: () => void } = $props();
 
@@ -14,8 +15,11 @@
   let password = $state("");
   let error = $state("");
   let isValidating = $state(false);
+  let show = $state(false);
 
-  onMount(() => {
+  onMount(async () => {
+    show = true;
+    await tick();
     dialogEl?.showModal();
   });
 
@@ -41,7 +45,11 @@
   }
 </script>
 
-<dialog bind:this={dialogEl}>
+{#if show}
+  <dialog
+    bind:this={dialogEl}
+    transition:fly={{ y: 250, duration: 250, delay: 0.5 }}
+  >
     <h2>Unlock Wallet</h2>
     <p>Enter your wallet password to decrypt your seed.</p>
     {#if error}
@@ -73,13 +81,14 @@
       >
     </div>
   </dialog>
+{/if}
 
 <style>
   dialog {
     z-index: 2000;
   }
   dialog::backdrop {
-    background: rgba(0, 0, 0, 1);
+    background: transparent;
   }
   h2 {
     margin-top: 0;

src/lib/components/ToggleSwitch.svelte

@@ -0,0 +1,88 @@
+<script lang="ts">
+  let {
+    label,
+    checked = $bindable(),
+  }: {
+    label: string;
+    checked: boolean;
+  } = $props();
+</script>
+
+<div class="switch-container">
+  <span class="switch-label">{label}</span>
+  <label class="switch">
+    <input type="checkbox" bind:checked />
+    <div class="track">
+      <div class="knob" />
+    </div>
+  </label>
+</div>
+
+<style>
+  .switch-container {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 0.5rem 0;
+    font-family: "Press Start 2P", monospace;
+  }
+
+  .switch-label {
+    font-size: 0.8rem;
+  }
+
+  .switch {
+    position: relative;
+    display: inline-block;
+    width: 90px;
+    height: 40px;
+    cursor: pointer;
+    user-select: none;
+    transform: translateY(-50%);
+  }
+
+  .switch input {
+    opacity: 0;
+    width: 0;
+    height: 0;
+  }
+
+  .track {
+    position: relative;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(
+      145deg,
+      var(--surface-alt-color) 0%,
+      #1a1a1a 100%
+    );
+    border: 3px solid var(--accent-color);
+    border-radius: 4px;
+    box-shadow: 2px 2px 0 #000;
+  }
+
+  .switch:active .track {
+    transform: translate(1px, 1px);
+    box-shadow: 1px 1px 0 #000;
+  }
+
+  .knob {
+    position: absolute;
+    top: 2px;
+    left: 2px;
+    width: 40px;
+    height: 30px;
+    background: linear-gradient(145deg, var(--primary-color) 0%, #d4af00 100%);
+    border: 2px solid #000;
+    border-radius: 2px;
+    transition: transform 0.2s ease-in-out;
+    z-index: 1;
+    box-shadow:
+      inset 0 0 2px rgba(255, 255, 255, 0.3),
+      inset 0 0 5px rgba(0, 0, 0, 0.5);
+  }
+
+  input:checked ~ .track .knob {
+    transform: translateX(41px);
+  }
+</style>

src/lib/settings.svelte.ts

@@ -0,0 +1,28 @@
+import { persistentDbWritable } from "$lib/index";
+import type { Writable } from "svelte/store";
+import Dexie, { type Table } from "dexie";
+
+interface MetaEntry {
+  key: string;
+  value: string;
+}
+
+class SettingsDB extends Dexie {
+    meta!: Table<MetaEntry, string>;
+
+    constructor() {
+        super("settings");
+        this.version(1).stores({
+            meta: "&key"
+        });
+    }
+}
+
+const settingsDB = new SettingsDB();
+
+export const shaderEnabled: Writable<boolean> = persistentDbWritable<boolean, SettingsDB>(
+    "shaderEnabled",
+    true,
+
+    settingsDB
+);

src/lib/style.css

@@ -31,8 +31,7 @@ body {
   letter-spacing: 0.5px;
   line-height: 1.2;
   text-shadow: 1px 1px 0 #000;
-  overflow-x: hidden;
-  overflow-y: auto;
+  overflow: hidden;
 }
 
 .app-wrapper {
@@ -44,14 +43,6 @@ body {
   padding: 2rem 1rem 4rem;
 }
 
-.container {
-  width: 100%;
-  max-width: 28rem;
-  display: flex;
-  flex-direction: column;
-  align-items: stretch;
-}
-
 .send-receive-buttons {
   display: flex;
   gap: 0.75rem;
@@ -68,6 +59,9 @@ body {
   box-shadow:
     0 0 0 4px #000,
     0 0 0 8px var(--primary-color);
+  .header {
+    cursor: pointer;
+  }
 }
 
 .retro-card::before {

src/routes/+layout.svelte

@@ -10,6 +10,9 @@
   import SplashScreen from "$lib/components/SplashScreen.svelte";
   import ErrorDialog from "$lib/components/ErrorDialog.svelte";
   import InstallPrompt from "$lib/components/InstallPrompt.svelte";
+  import { online } from "$lib/online.svelte";
+  import Offline from "$lib/components/Offline.svelte";
+  import { shaderEnabled } from "$lib/settings.svelte";
 
   type AppError = {
     message: string;
@@ -93,7 +96,7 @@
   <title>Portal BTC</title>
 </svelte:head>
 
-<div class="retro-shader">
+<div class="container" class:retro-shader={$shaderEnabled}>
   {#if !$online}
     <Offline />
   {:else if showInstallPrompt && deferredPrompt}
@@ -121,81 +124,20 @@
 </div>
 
 <style>
-  @keyframes flicker {
-    0% {
-      opacity: 0.27861;
+  .container {
+    height: 100vh;
+    max-height: 100vh;
+    width: 100vw;
+    overflow-y: auto;
   }
-    5% {
-      opacity: 0.34769;
-    }
-    10% {
-      opacity: 0.23604;
-    }
-    15% {
-      opacity: 0.90626;
-    }
-    20% {
-      opacity: 0.18128;
-    }
-    25% {
-      opacity: 0.83891;
-    }
-    30% {
-      opacity: 0.65583;
-    }
-    35% {
-      opacity: 0.67807;
-    }
-    40% {
-      opacity: 0.26559;
-    }
-    45% {
-      opacity: 0.84693;
-    }
-    50% {
-      opacity: 0.96019;
-    }
-    55% {
-      opacity: 0.08594;
-    }
-    60% {
-      opacity: 0.20313;
-    }
-    65% {
-      opacity: 0.71988;
-    }
-    70% {
-      opacity: 0.53455;
-    }
-    75% {
-      opacity: 0.37288;
-    }
-    80% {
-      opacity: 0.71428;
-    }
-    85% {
-      opacity: 0.70428;
-    }
-    90% {
-      opacity: 0.7003;
-    }
-    95% {
-      opacity: 0.36108;
-    }
-    100% {
-      opacity: 0.24387;
-    }
-  }
-
   .retro-shader {
     position: relative;
-    height: 100vh;
   }
 
   .retro-shader::before {
     content: " ";
     display: block;
-    position: absolute;
+    position: fixed;
     top: 0;
     left: 0;
     bottom: 0;
@@ -212,13 +154,14 @@
     background-size:
       100% 2px,
       3px 100%;
+    background-attachment: fixed;
     pointer-events: none;
   }
 
   .retro-shader::after {
     content: " ";
     display: block;
-    position: absolute;
+    position: fixed;
     top: 0;
     left: 0;
     bottom: 0;
@@ -227,7 +170,6 @@
     opacity: 0;
     z-index: 2001;
     pointer-events: none;
-    animation: flicker 0.15s infinite;
   }
 
   .settings-button-container {

src/routes/settings/+page.svelte

@@ -4,6 +4,8 @@
   import LightningSettings from "$lib/components/LightningSettings.svelte";
   import NostrWalletConnect from "$lib/components/NostrWalletConnect.svelte";
   import DangerZone from "$lib/components/DangerZone.svelte";
+  import { shaderEnabled } from "$lib/settings.svelte";
+  import ToggleSwitch from "$lib/components/ToggleSwitch.svelte";
 
   function goBack() {
     goto("/");
@@ -22,6 +24,13 @@
 
   <NostrWalletConnect />
 
+  <details class="retro-card" open>
+    <summary class="header">
+      <h2>Design</h2>
+    </summary>
+    <ToggleSwitch label="Shader" bind:checked={$shaderEnabled} />
+  </details>
+
   <div class="retro-card">
     <h2>Source Code</h2>
     <Button