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Add night mode theme with dark palette, stars, and moon #153

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Add night mode theme with dark palette, stars, and moon #153

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201 changes: 187 additions & 14 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,23 @@
--faint: #d9d9d9;
--paper: #fbfbfa;
--panel: rgba(255, 255, 255, 0.72);
--panel-hover: #fff;
--accent: #111;
--steam: #c9c9c7;
--star: rgba(255, 255, 255, 0);
}

[data-theme="night"] {
color-scheme: dark;
--ink: #f7f2df;
--muted: #b5aebf;
--faint: rgba(255, 255, 255, 0.2);
--paper: #080b16;
--panel: rgba(15, 20, 35, 0.72);
--panel-hover: rgba(29, 36, 58, 0.88);
--accent: #f9d97a;
--steam: #d8d2c2;
--star: rgba(255, 255, 255, 0.9);
}

* {
Expand All @@ -38,6 +54,9 @@
overflow: hidden;
background: var(--paper);
color: var(--ink);
transition:
background 350ms ease,
color 350ms ease;
font-family:
ui-sans-serif,
-apple-system,
Expand All @@ -61,9 +80,94 @@
-webkit-tap-highlight-color: transparent;
}

.night-details {
position: fixed;
inset: 0;
z-index: 0;
overflow: hidden;
opacity: 0;
pointer-events: none;
transition: opacity 350ms ease;
}

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

.moon {
position: absolute;
top: clamp(44px, 9vh, 84px);
left: clamp(28px, 8vw, 96px);
width: clamp(46px, 8vw, 76px);
aspect-ratio: 1;
border-radius: 50%;
background: #f9d97a;
box-shadow: 0 0 24px rgba(249, 217, 122, 0.24);
}

.moon::after {
content: "";
position: absolute;
top: -4px;
right: -7px;
width: 78%;
aspect-ratio: 1;
border-radius: 50%;
background: var(--paper);
}

.stars,
.stars::before,
.stars::after {
position: absolute;
width: 3px;
height: 3px;
border-radius: 50%;
background: var(--star);
box-shadow:
9vw 18vh 0 0 var(--star),
17vw 8vh 0 -1px var(--star),
26vw 24vh 0 0 var(--star),
39vw 13vh 0 -1px var(--star),
54vw 21vh 0 0 var(--star),
71vw 10vh 0 -1px var(--star),
83vw 28vh 0 0 var(--star),
92vw 15vh 0 -1px var(--star);
content: "";
}

.stars {
inset: 0;
}

.stars::before {
left: 6vw;
top: 14vh;
transform: scale(0.75);
}

.stars::after {
left: -3vw;
top: 31vh;
transform: scale(0.55);
}

.horizon {
position: absolute;
right: 0;
bottom: 0;
left: 0;
height: 18vh;
background:
linear-gradient(to right, transparent 0 8%, rgba(249, 217, 122, 0.34) 8% 9%, transparent 9% 18%, rgba(249, 217, 122, 0.26) 18% 19%, transparent 19% 100%),
linear-gradient(to top, rgba(0, 0, 0, 0.38), transparent);
clip-path: polygon(0 56%, 10% 48%, 22% 58%, 35% 43%, 48% 52%, 63% 38%, 76% 55%, 91% 44%, 100% 54%, 100% 100%, 0 100%);
}

.hero {
position: absolute;
inset: 0;
z-index: 2;
display: grid;
place-items: center;
gap: 18px;
Expand Down Expand Up @@ -127,18 +231,23 @@
.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 {
.control-row {
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 +266,17 @@
transform 150ms ease;
}

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

.mute-toggle:focus-visible {
[data-theme="night"] .icon-toggle:hover {
border-color: rgba(249, 217, 122, 0.44);
}

.icon-toggle:focus-visible {
outline: 2px solid var(--accent);
outline-offset: 3px;
}
Expand Down Expand Up @@ -266,22 +379,40 @@
</head>
<body>
<main id="dispatcher">
<div class="night-details" aria-hidden="true">
<div class="moon"></div>
<div class="stars"></div>
<div class="horizon"></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="control-row">
<button
class="icon-toggle"
id="theme"
type="button"
aria-label="Switch to 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 +428,11 @@

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 themeColor = document.querySelector('meta[name="theme-color"]');
const darkScheme = window.matchMedia("(prefers-color-scheme: dark)");
const choo = new Audio("./public/choo-choo.mp3");
choo.preload = "auto";

Expand All @@ -308,6 +442,9 @@
let lastLane = -1;
let lastDirection = "rtl";
let muted = localStorage.getItem("wtc:muted") === "1";
const storedTheme = localStorage.getItem("wtc:theme");
let theme =
storedTheme === "night" || storedTheme === "day" ? storedTheme : "system";

function pick(items) {
return items[Math.floor(Math.random() * items.length)];
Expand All @@ -320,6 +457,28 @@
localStorage.setItem("wtc:muted", muted ? "1" : "0");
}

function getActiveTheme() {
if (theme === "system") return darkScheme.matches ? "night" : "day";
return theme;
}

function syncTheme() {
const isNight = getActiveTheme() === "night";
document.documentElement.dataset.theme = isNight ? "night" : "day";
themeButton.textContent = isNight ? "☀️" : "🌙";
themeButton.setAttribute(
"aria-label",
isNight ? "Switch to day mode" : "Switch to night mode",
);
themeButton.setAttribute("aria-pressed", String(isNight));
themeColor.setAttribute("content", isNight ? "#080b16" : "#ffffff");
if (theme === "system") {
localStorage.removeItem("wtc:theme");
} else {
localStorage.setItem("wtc:theme", theme);
}
}

function updateCounter() {
const noun = count === 1 ? "train" : "trains";
counter.textContent = `${count} ${noun} dispatched`;
Expand Down Expand Up @@ -398,6 +557,12 @@
}

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

muteButton.addEventListener("click", (event) => {
event.stopPropagation();
muted = !muted;
Expand All @@ -411,9 +576,17 @@
} else if (event.key === "m" || event.key === "M") {
muted = !muted;
syncMuteButton();
} else if (event.key === "n" || event.key === "N") {
theme = getActiveTheme() === "night" ? "day" : "night";
syncTheme();
}
});

darkScheme.addEventListener("change", () => {
if (theme === "system") syncTheme();
});

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