Experiment to rebuild Diffuse using web applets.
chore: More reorg
author
Steven Vandevelde
date
(Mar 14, 2025, 6:45 PM +0100)
commit
4188dadf
4188dadf1e8913fda46d9650df19338d68b20d7a
parent
e972165e
e972165eb127a60d6f5a88a3c002c070f0d09213
+140
-117
+4
src/applets/themes/pilot/ui/audio/applet.astro
+4
src/applets/themes/pilot/ui/audio/applet.astro
+1
-1
src/layouts/applet.astro
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-1
src/layouts/applet.astro
+6
src/layouts/page.astro
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src/layouts/page.astro
···
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>{title}</title>
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<style is:global>
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@import "../styles/reset.css";
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@import "../styles/fonts.css";
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@import "../styles/variables.css";
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</style>
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</head>
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<body>
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<slot />
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src/pages/index.astro
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src/pages/index.astro
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-108
src/pages/themes/pilot/index.astro
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-108
src/pages/themes/pilot/index.astro
···
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import Page from "../../../layouts/page.astro";
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---
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<Page title="Diffuse Applets Usage Example">
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<Page title="Diffuse">
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<script src="../../../scripts/themes/pilot/index.js"></script>
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<!-- Theme applets -->
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<iframe id="#applet__ui__audio" src="ui/audio/" frameborder="0" style="width: 100%"></iframe>
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<!-- Other applets -->
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<iframe id="#applet__engine__audio" src="../../engine/audio/" frameborder="0" height="0" width="0"
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></iframe>
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<div>Testing</div>
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</Page>
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<style is:global>
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@import "../../../styles/reset.css";
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@import "../../../styles/fonts.css";
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@import "../../../styles/variables.css";
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@import "../../../styles/themes/pilot/variables.css";
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</style>
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<style>
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/***********************************
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* Fonts
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***********************************/
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:root {
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font-family: "Inter", sans-serif;
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font-size: var(--fs-base);
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}
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@supports (font-variation-settings: normal) {
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:root {
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font-family: "InterVariable", sans-serif;
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font-feature-settings:
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"ss03" 2,
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"ss02" 2;
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font-optical-sizing: auto;
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}
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}
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body {
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background-color: var(--delicate-cloud);
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color: var(--made-in-the-shade);
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overflow: hidden;
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}
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/***********************************
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* Applets | Position
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***********************************/
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#applet__ui__audio {
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}
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/* Position engines outside the viewframe (no UI for these) */
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#applet__engine__audio {
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left: 110vw;
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position: absolute;
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top: 110vh;
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}
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</style>
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<script>
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import { type Applet, type AppletEvent, applets } from "@web-applets/sdk";
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import { effect, signal } from "spellcaster/spellcaster.js";
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////////////////////////////////////////////
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// 🗂️ Applets
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////////////////////////////////////////////
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const engine = {
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audio: await applet("../../engine/audio"),
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};
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const ui = {
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audio: await applet("ui/audio", { setHeight: true }),
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};
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////////////////////////////////////////////
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// ⚡ Connect applets
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////////////////////////////////////////////
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reactive(ui.audio, (isPlaying: boolean) =>
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engine.audio.sendAction(isPlaying ? "play" : "pause", null),
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);
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reactive(engine.audio, (isPlaying: boolean) => ui.audio.sendAction("set_is_playing", isPlaying));
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reactive(engine.audio, (progress: number) => ui.audio.sendAction("set_progress", progress));
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////////////////////////////////////////////
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// 🪟 Applet initialiser
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////////////////////////////////////////////
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async function applet(src: string, opts: { setHeight?: boolean } = {}) {
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const frame: HTMLIFrameElement = document.querySelector(
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`[src="${src}${src.endsWith("/") ? "" : "/"}"]`,
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);
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const applet = await applets.connect(frame.contentWindow);
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if (opts.setHeight) applet.onresize = () => (frame.height = `${applet.height}px`);
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return applet;
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}
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////////////////////////////////////////////
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// 🔮 Reactive state management
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////////////////////////////////////////////
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// TODO: Applet should have a subtype
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function reactive<T>(applet: Applet, effectFn: (t: T) => void) {
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const property = effectFn
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.toString()
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.slice(1)
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.match(/([^(\)|,|\s)]+)/)[1];
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const [getter, setter] = signal(applet.data[property] as T);
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effect(() => effectFn(getter()));
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applet.addEventListener("data", (event: AppletEvent) => {
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setter(event.data[property]);
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});
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}
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</script>
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src/scripts/themes/pilot/index.ts
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src/scripts/themes/pilot/index.ts
···
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import { type Applet, type AppletEvent, applets } from "@web-applets/sdk";
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import { effect, signal } from "spellcaster/spellcaster.js";
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import "../../../styles/themes/pilot/index.css";
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////////////////////////////////////////////
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// 🗂️ Applets
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////////////////////////////////////////////
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const engine = {
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audio: await applet("../../engine/audio"),
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};
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const ui = {
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audio: await applet("ui/audio", { setHeight: true }),
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};
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////////////////////////////////////////////
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// ⚡ Connect applets
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////////////////////////////////////////////
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reactive(
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ui.audio,
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(isPlaying: boolean) =>
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engine.audio.sendAction(isPlaying ? "play" : "pause", null),
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);
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reactive(
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engine.audio,
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(isPlaying: boolean) => ui.audio.sendAction("set_is_playing", isPlaying),
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);
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reactive(
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engine.audio,
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(progress: number) => ui.audio.sendAction("set_progress", progress),
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);
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////////////////////////////////////////////
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// 🪟 Applet initialiser
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////////////////////////////////////////////
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async function applet(src: string, opts: { setHeight?: boolean } = {}) {
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const frame: HTMLIFrameElement | null = document.querySelector(
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`[src="${src}${src.endsWith("/") ? "" : "/"}"]`,
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);
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if (frame === null) throw new Error("iframe element not found, src: " + src);
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if (frame.contentWindow === null) {
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throw new Error("iframe does not have a contentWindow");
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}
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const applet = await applets.connect(frame.contentWindow);
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if (opts.setHeight) {
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applet.onresize = () => (frame.height = `${applet.height}px`);
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}
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return applet;
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}
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////////////////////////////////////////////
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// 🔮 Reactive state management
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////////////////////////////////////////////
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// TODO: Applet should have a subtype
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function reactive<T>(applet: Applet, effectFn: (t: T) => void) {
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const property = effectFn
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.toString()
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.slice(1)
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.match(/([^(\)|,|\s)]+)/);
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const [getter, setter] = signal(
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(applet.data as any)[property ? property[1] : "ignore"] as T,
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);
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effect(() => effectFn(getter()));
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applet.addEventListener("data", (event: AppletEvent) => {
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setter(event.data[property ? property[1] : "ignore"]);
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});
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}
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-6
src/styles/pages/index.css
+12
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src/styles/pages/index.css
···
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main {
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display: flex;
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flex-wrap: wrap;
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gap: 0 var(--space-xl);
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gap: 0 var(--space-3xl);
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}
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main > section {
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flex: 1;
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/* flex: 1; */
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min-width: min(var(--container-xs), 100%);
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width: 50%;
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width: 32.5%;
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}
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a {
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color: var(--beyond-the-pines);
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font-size: var(--fs-xl);
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font-weight: 900;
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margin: var(--space-xl) 0 var(--space-sm);
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line-height: 1;
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margin: var(--space-2xl) 0 var(--space-md);
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text-transform: uppercase;
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}
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h3 {
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font-size: var(--fs-lg);
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font-size: var(--fs-md);
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font-weight: 800;
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margin: var(--space-lg) 0 var(--space-sm);
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line-height: 1;
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margin: var(--space-xl) 0 var(--space-sm);
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text-transform: uppercase;
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}
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h2 + h3 {
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margin-top: var(--space-md);
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}
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ul,
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src/styles/themes/pilot/index.css
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src/styles/themes/pilot/index.css
···
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@import "./variables.css";
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/***********************************
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* Fonts
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***********************************/
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:root {
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font-family: "Inter", sans-serif;
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font-size: var(--fs-base);
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}
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@supports (font-variation-settings: normal) {
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:root {
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font-family: "InterVariable", sans-serif;
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font-feature-settings:
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"ss03" 2,
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"ss02" 2;
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font-optical-sizing: auto;
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}
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}
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body {
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background-color: var(--delicate-cloud);
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color: var(--made-in-the-shade);
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overflow: hidden;
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}
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/***********************************
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* Applets | Position
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***********************************/
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#applet__ui__audio {
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}
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/* Position engines outside the viewframe (no UI for these) */
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#applet__engine__audio {
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left: 110vw;
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position: absolute;
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top: 110vh;
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}