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Add night mode theme with dark palette, stars, and moon #140

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Add night mode theme with dark palette, stars, and moon #140

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209 changes: 194 additions & 15 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="theme-color" content="#ffffff" />
<meta name="theme-color" content="#fbfbfa" />
<meta
name="description"
content="A tiny train dispatcher. Click anywhere to send a train chugging across the screen."
Expand All @@ -22,6 +22,18 @@
--paper: #fbfbfa;
--panel: rgba(255, 255, 255, 0.72);
--accent: #111;
--steam: #c9c9c7;
}

:root[data-theme="night"] {
color-scheme: dark;
--ink: #f4f0df;
--muted: #c5c0ad;
--faint: rgba(244, 240, 223, 0.24);
--paper: #09111f;
--panel: rgba(16, 27, 45, 0.72);
--accent: #f5d86f;
--steam: rgba(214, 225, 235, 0.66);
}

* {
Expand All @@ -36,7 +48,9 @@
body {
margin: 0;
overflow: hidden;
background: var(--paper);
background:
radial-gradient(circle at 50% 62%, rgba(246, 231, 175, 0), rgba(246, 231, 175, 0)),
var(--paper);
color: var(--ink);
font-family:
ui-sans-serif,
Expand All @@ -48,6 +62,15 @@
Arial,
sans-serif;
font-feature-settings: "kern";
transition:
background 300ms ease,
color 300ms ease;
}

:root[data-theme="night"] body {
background:
radial-gradient(circle at 20% 14%, rgba(246, 231, 175, 0.16), transparent 18%),
linear-gradient(180deg, #080f1d 0%, #101a2b 56%, #192334 100%);
}

main {
Expand Down Expand Up @@ -95,6 +118,93 @@
animation: wiggle 600ms ease-in-out;
}

.night-details {
position: fixed;
inset: 0;
z-index: 0;
overflow: hidden;
opacity: 0;
pointer-events: none;
transition: opacity 300ms ease;
}

:root[data-theme="night"] .night-details {
opacity: 1;
}

.moon {
position: absolute;
top: 9vh;
left: clamp(28px, 9vw, 116px);
width: clamp(42px, 7vw, 72px);
aspect-ratio: 1;
border-radius: 50%;
background: #f5df8a;
box-shadow: 0 0 34px rgba(245, 216, 111, 0.36);
}

.moon::after {
content: "";
position: absolute;
top: 5%;
right: -7%;
width: 82%;
aspect-ratio: 1;
border-radius: 50%;
background: #09111f;
}

.star {
position: absolute;
width: 3px;
height: 3px;
border-radius: 50%;
background: #f7efd0;
box-shadow: 0 0 10px rgba(247, 239, 208, 0.72);
}

.star:nth-child(2) {
top: 12vh;
left: 38vw;
}

.star:nth-child(3) {
top: 18vh;
left: 71vw;
width: 2px;
height: 2px;
}

.star:nth-child(4) {
top: 31vh;
left: 85vw;
}

.star:nth-child(5) {
top: 27vh;
left: 17vw;
width: 2px;
height: 2px;
}

.track-lights {
position: absolute;
right: 22px;
bottom: 16px;
display: flex;
gap: 14px;
align-items: flex-end;
}

.track-lights span {
display: block;
width: 6px;
height: 18px;
border-radius: 999px 999px 2px 2px;
background: linear-gradient(#f5d86f 0 32%, #56636d 32% 100%);
box-shadow: 0 0 16px rgba(245, 216, 111, 0.5);
}

.tagline {
max-width: 28ch;
color: var(--muted);
Expand Down Expand Up @@ -127,18 +237,23 @@
.steam {
position: fixed;
z-index: 0;
color: #c9c9c7;
color: var(--steam);
font-size: 18px;
pointer-events: none;
animation: puff 1400ms ease-out forwards;
will-change: transform, opacity;
}

.mute-toggle {
.controls {
position: fixed;
top: 16px;
right: 16px;
z-index: 10;
display: flex;
gap: 8px;
}

.icon-toggle {
display: inline-flex;
width: 38px;
height: 38px;
Expand All @@ -157,13 +272,18 @@
transform 150ms ease;
}

.mute-toggle:hover {
.icon-toggle:hover {
background: #fff;
border-color: #b8b8b8;
transform: translateY(-1px);
}

.mute-toggle:focus-visible {
:root[data-theme="night"] .icon-toggle:hover {
background: rgba(26, 43, 67, 0.96);
border-color: rgba(245, 216, 111, 0.42);
}

.icon-toggle:focus-visible {
outline: 2px solid var(--accent);
outline-offset: 3px;
}
Expand Down Expand Up @@ -266,22 +386,46 @@
</head>
<body>
<main id="dispatcher">
<div class="night-details" aria-hidden="true">
<span class="moon"></span>
<span class="star"></span>
<span class="star"></span>
<span class="star"></span>
<span class="star"></span>
<div class="track-lights">
<span></span>
<span></span>
<span></span>
</div>
</div>

<div class="hero" id="hero">
<div class="hero-inner">
<span class="train-emoji" role="img" aria-label="train">🚂</span>
<span class="tagline">Click anywhere to dispatch a train.</span>
</div>
</div>

<button
class="mute-toggle"
id="mute"
type="button"
aria-label="Mute"
aria-pressed="false"
>
🔊
</button>
<div class="controls">
<button
class="icon-toggle"
id="theme"
type="button"
aria-label="Use night mode"
aria-pressed="false"
>
🌙
</button>
<button
class="icon-toggle"
id="mute"
type="button"
aria-label="Mute"
aria-pressed="false"
>
🔊
</button>
</div>

<div class="counter" id="counter" aria-live="polite">0 trains dispatched</div>
</main>
Expand All @@ -297,8 +441,10 @@

const dispatcher = document.querySelector("#dispatcher");
const hero = document.querySelector("#hero");
const themeButton = document.querySelector("#theme");
const muteButton = document.querySelector("#mute");
const counter = document.querySelector("#counter");
const themeMeta = document.querySelector('meta[name="theme-color"]');
const choo = new Audio("./public/choo-choo.mp3");
choo.preload = "auto";

Expand All @@ -308,6 +454,9 @@
let lastLane = -1;
let lastDirection = "rtl";
let muted = localStorage.getItem("wtc:muted") === "1";
let theme =
localStorage.getItem("wtc:theme") ||
(window.matchMedia("(prefers-color-scheme: dark)").matches ? "night" : "day");

function pick(items) {
return items[Math.floor(Math.random() * items.length)];
Expand All @@ -320,6 +469,19 @@
localStorage.setItem("wtc:muted", muted ? "1" : "0");
}

function syncThemeButton() {
const isNight = theme === "night";
document.documentElement.dataset.theme = theme;
themeButton.textContent = isNight ? "☀️" : "🌙";
themeButton.setAttribute(
"aria-label",
isNight ? "Use day mode" : "Use night mode",
);
themeButton.setAttribute("aria-pressed", String(isNight));
themeMeta.setAttribute("content", isNight ? "#09111f" : "#fbfbfa");
localStorage.setItem("wtc:theme", theme);
}

function updateCounter() {
const noun = count === 1 ? "train" : "trains";
counter.textContent = `${count} ${noun} dispatched`;
Expand Down Expand Up @@ -404,16 +566,33 @@
syncMuteButton();
});

themeButton.addEventListener("click", (event) => {
event.stopPropagation();
theme = theme === "night" ? "day" : "night";
syncThemeButton();
});

window.addEventListener("keydown", (event) => {
const isButtonKey =
(event.code === "Space" || event.code === "Enter") &&
event.target instanceof HTMLElement &&
event.target.closest("button");

if (isButtonKey) return;

if (event.code === "Space" || event.code === "Enter") {
event.preventDefault();
dispatchTrain();
} else if (event.key === "m" || event.key === "M") {
muted = !muted;
syncMuteButton();
} else if (event.key === "n" || event.key === "N") {
theme = theme === "night" ? "day" : "night";
syncThemeButton();
}
});

syncThemeButton();
syncMuteButton();
updateCounter();
</script>
Expand Down