body {
  margin: 0;
  background: #1a1430;
  color: #ffffff;
  font-family: "Times New Roman", serif;
  text-align: center;
}

.marquee {
  background: #000000;
  color: #ffd400;
  font-size: 13px;
  letter-spacing: 1px;
  padding: 6px;
  white-space: nowrap;
  overflow: hidden;
}

.marquee-text {
  display: inline-block;
}

@keyframes marquee-scroll {
  from { transform: translateX(100%); }
  to   { transform: translateX(-100%); }
}

.page {
  max-width: 640px;
  margin: 40px auto;
  padding: 0 16px;
}

h1 {
  color: #ff5cdb;
  text-shadow: 2px 2px #000000;
  font-size: 28px;
}

.blurb { color: #7CFC00; font-weight: bold; }

.dobform { margin: 28px 0; }

.box {
  background: #000000;
  color: #00f0ff;
  border: 3px ridge #00f0ff;
  font-family: "Courier New", monospace;
  font-size: 20px;
  text-align: center;
  padding: 6px;
}

.slash { color: #00f0ff; font-size: 22px; margin: 0 4px; }

.go {
  display: block;
  margin: 22px auto 0;
  background: #ff5cdb;
  color: #000000;
  border: 3px outset #ff5cdb;
  font-weight: bold;
  font-size: 16px;
  padding: 8px 16px;
  cursor: pointer;
}

.agebox {
  display: inline-block;
  margin: 16px 0;
  padding: 14px 24px;
  background: #000000;
  border: 4px ridge #00f0ff;
}

#age {
  color: #00f0ff;
  font-family: "Courier New", monospace;
  font-size: clamp(28px, 11vw, 44px);
  font-weight: bold;
  word-break: break-all;
}

.years { color: #7CFC00; font-weight: bold; font-size: 20px; }

.tip { color: #aaaaaa; font-size: 12px; }
.tip code { color: #00f0ff; }

.home { color: #ffd400; }

.footer {
  margin-top: 40px;
  padding: 12px;
  color: #aaaaaa;
  font-size: 11px;
}

.agebox {
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 480px) {
  .page { margin: 24px auto; }
  h1 { font-size: 22px; }
  .go { width: 100%; box-sizing: border-box; }
  .marquee-text { animation: marquee-scroll 14s linear infinite; }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-text { animation: none; }
}