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Add night mode theme with dark palette, stars, and moon #152

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Add night mode theme with dark palette, stars, and moon #152

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138 changes: 138 additions & 0 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,16 @@
--accent: #111;
}

:root.night {
color-scheme: dark;
--ink: #e8e8e8;
--muted: #8a9ab5;
--faint: #2a3347;
--paper: #0d1117;
--panel: rgba(15, 22, 36, 0.82);
--accent: #e8e8e8;
}

* {
box-sizing: border-box;
}
Expand Down Expand Up @@ -134,6 +144,82 @@
will-change: transform, opacity;
}

.stars {
position: fixed;
inset: 0;
pointer-events: none;
opacity: 0;
transition: opacity 600ms ease;
z-index: 0;
}

:root.night .stars {
opacity: 1;
}

.star {
position: absolute;
background: #fff;
border-radius: 50%;
animation: twinkle var(--dur, 3s) ease-in-out infinite;
animation-delay: var(--delay, 0s);
}

@keyframes twinkle {
0%, 100% { opacity: 0.2; transform: scale(1); }
50% { opacity: 1; transform: scale(1.3); }
}

.moon {
position: fixed;
top: 60px;
right: 70px;
font-size: 28px;
opacity: 0;
pointer-events: none;
transition: opacity 600ms ease;
z-index: 0;
filter: drop-shadow(0 0 8px rgba(200, 220, 255, 0.6));
}

:root.night .moon {
opacity: 1;
}

.night-toggle {
position: fixed;
top: 16px;
right: 62px;
z-index: 10;
display: inline-flex;
width: 38px;
height: 38px;
align-items: center;
justify-content: center;
border: 1px solid var(--faint);
border-radius: 999px;
background: var(--panel);
color: var(--ink);
cursor: pointer;
font-size: 16px;
backdrop-filter: blur(14px);
transition:
border-color 150ms ease,
background 150ms ease,
transform 150ms ease;
}

.night-toggle:hover {
background: var(--paper);
border-color: var(--muted);
transform: translateY(-1px);
}

.night-toggle:focus-visible {
outline: 2px solid var(--accent);
outline-offset: 3px;
}

.mute-toggle {
position: fixed;
top: 16px;
Expand Down Expand Up @@ -266,6 +352,19 @@
</head>
<body>
<main id="dispatcher">
<div class="stars" id="stars" aria-hidden="true"></div>
<div class="moon" id="moon" aria-hidden="true">🌕</div>

<button
class="night-toggle"
id="night-toggle"
type="button"
aria-label="Enable night mode"
aria-pressed="false"
>
🌙
</button>

<div class="hero" id="hero">
<div class="hero-inner">
<span class="train-emoji" role="img" aria-label="train">🚂</span>
Expand Down Expand Up @@ -299,9 +398,48 @@
const hero = document.querySelector("#hero");
const muteButton = document.querySelector("#mute");
const counter = document.querySelector("#counter");
const nightToggle = document.querySelector("#night-toggle");
const starsContainer = document.querySelector("#stars");
const choo = new Audio("./public/choo-choo.mp3");
choo.preload = "auto";

let nightMode = localStorage.getItem("wtc:night") === "1";

function buildStars() {
starsContainer.innerHTML = "";
for (let i = 0; i < 60; i++) {
const star = document.createElement("span");
star.className = "star";
const size = 1 + Math.random() * 2.5;
star.style.cssText = [
`width:${size}px`,
`height:${size}px`,
`left:${Math.random() * 100}%`,
`top:${Math.random() * 80}%`,
`--dur:${2 + Math.random() * 3}s`,
`--delay:${Math.random() * 4}s`,
].join(";");
starsContainer.append(star);
}
}

function syncNight() {
document.documentElement.classList.toggle("night", nightMode);
nightToggle.textContent = nightMode ? "☀️" : "🌙";
nightToggle.setAttribute("aria-label", nightMode ? "Disable night mode" : "Enable night mode");
nightToggle.setAttribute("aria-pressed", String(nightMode));
localStorage.setItem("wtc:night", nightMode ? "1" : "0");
}

buildStars();
syncNight();

nightToggle.addEventListener("click", (event) => {
event.stopPropagation();
nightMode = !nightMode;
syncNight();
});

let count = 0;
let nextId = 1;
let lastDispatch = 0;
Expand Down