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Add night mode theme with dark palette, stars, and moon #141

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Add night mode theme with dark palette, stars, and moon #141

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176 changes: 176 additions & 0 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -180,6 +180,69 @@
pointer-events: none;
}

.milestone {
position: fixed;
inset: 0;
z-index: 8;
display: grid;
place-items: center;
padding: 28px;
pointer-events: none;
}

.milestone-burst {
position: relative;
display: grid;
min-width: min(84vw, 390px);
min-height: 180px;
place-items: center;
animation: milestone-pop 2200ms ease-out forwards;
will-change: opacity, transform;
}

.milestone-count {
position: relative;
z-index: 2;
display: grid;
gap: 7px;
place-items: center;
padding: 22px 28px;
border: 1px solid rgba(21, 21, 21, 0.12);
border-radius: 8px;
background: rgba(255, 255, 255, 0.86);
box-shadow: 0 18px 50px rgba(21, 21, 21, 0.1);
backdrop-filter: blur(16px);
}

.milestone-number {
font-size: clamp(46px, 12vw, 78px);
font-weight: 780;
letter-spacing: 0;
line-height: 0.9;
}

.milestone-label {
color: var(--muted);
font-size: 13px;
font-weight: 650;
letter-spacing: 0.06em;
line-height: 1.2;
text-transform: uppercase;
}

.spark {
position: absolute;
left: 50%;
top: 50%;
font-size: 24px;
line-height: 1;
opacity: 0;
transform: translate(-50%, -50%) scale(0.6);
animation: spark-fly 1600ms cubic-bezier(0.2, 0.78, 0.22, 1) forwards;
animation-delay: var(--delay);
will-change: opacity, transform;
}

@keyframes wiggle {
0%,
100% {
Expand Down Expand Up @@ -227,6 +290,49 @@
}
}

@keyframes milestone-pop {
0% {
opacity: 0;
transform: translateY(18px) scale(0.82) rotate(-2deg);
}

14% {
opacity: 1;
transform: translateY(0) scale(1.05) rotate(1deg);
}

24%,
72% {
opacity: 1;
transform: translateY(0) scale(1) rotate(0);
}

100% {
opacity: 0;
transform: translateY(-28px) scale(0.96) rotate(0);
}
}

@keyframes spark-fly {
0% {
opacity: 0;
transform: translate(-50%, -50%) scale(0.5) rotate(0);
}

18% {
opacity: 1;
}

100% {
opacity: 0;
transform: translate(
calc(-50% + var(--x)),
calc(-50% + var(--y))
)
scale(1.15) rotate(var(--spin));
}
}

@media (prefers-reduced-motion: reduce) {
.hero,
.train-emoji:hover {
Expand All @@ -244,6 +350,14 @@
animation: fade-blip 1500ms ease both !important;
}

.milestone-burst {
animation: milestone-fade 1800ms ease forwards;
}

.spark {
display: none;
}

@keyframes fade-blip {
0% {
opacity: 0;
Expand All @@ -261,6 +375,18 @@
transform: translateX(-50%) scale(1);
}
}

@keyframes milestone-fade {
0%,
100% {
opacity: 0;
}

18%,
82% {
opacity: 1;
}
}
}
</style>
</head>
Expand Down Expand Up @@ -294,6 +420,15 @@
const PUFF_COUNT = 4;
const MIN_DURATION_MS = 4500;
const MAX_DURATION_MS = 7500;
const MILESTONE_INTERVAL = 10;
const SPARKS = [
["🚂", "-126px", "-54px", "-18deg", "0ms"],
["⭐", "118px", "-76px", "24deg", "40ms"],
["🎉", "-104px", "72px", "32deg", "90ms"],
["✨", "132px", "58px", "-28deg", "130ms"],
["🚃", "0px", "-104px", "18deg", "180ms"],
["🎊", "0px", "98px", "-20deg", "220ms"],
];

const dispatcher = document.querySelector("#dispatcher");
const hero = document.querySelector("#hero");
Expand Down Expand Up @@ -338,6 +473,44 @@
event.currentTarget.remove();
}

function showMilestone() {
const milestone = document.createElement("div");
const burst = document.createElement("div");
const panel = document.createElement("div");
const number = document.createElement("span");
const label = document.createElement("span");

milestone.className = "milestone";
milestone.setAttribute("aria-live", "polite");
burst.className = "milestone-burst";
panel.className = "milestone-count";
number.className = "milestone-number";
label.className = "milestone-label";
number.textContent = String(count);
label.textContent = "trains dispatched";

panel.append(number, label);
burst.append(panel);

for (const [char, x, y, spin, delay] of SPARKS) {
const spark = document.createElement("span");
spark.className = "spark";
spark.textContent = char;
spark.style.setProperty("--x", x);
spark.style.setProperty("--y", y);
spark.style.setProperty("--spin", spin);
spark.style.setProperty("--delay", delay);
spark.setAttribute("aria-hidden", "true");
burst.append(spark);
}

milestone.append(burst);
burst.addEventListener("animationend", (event) => {
if (event.target === burst) milestone.remove();
});
dispatcher.append(milestone);
}

function createSteam(train, delay) {
window.setTimeout(() => {
const elapsed = performance.now() - train.startedAt;
Expand Down Expand Up @@ -391,6 +564,9 @@
hero.classList.add("dispatched");
updateCounter();
playChoo();
if (count % MILESTONE_INTERVAL === 0) {
showMilestone();
}

for (let i = 0; i < PUFF_COUNT; i += 1) {
createSteam(train, (durationMs / (PUFF_COUNT + 1)) * (i + 1));
Expand Down