:root {
  --bg: #111;
  --fg: #fff;
  --accent: #fff;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  transition: background 900ms var(--ease);
  -webkit-font-smoothing: antialiased;
}

/* ---- status palettes ---- */
body[data-status="melbourne"] { --bg: #0a7d5a; --accent: #b6ff7a; }
body[data-status="sydney"]    { --bg: #c2410c; --accent: #ffd27a; }
body[data-status="elsewhere"] { --bg: #4338ca; --accent: #b8b3ff; }
body[data-status="loading"]   { --bg: #111;    --accent: #555;    }
body[data-status="error"]     { --bg: #111;    --accent: #888;    }

/* soft moving glow so the big colour block isn't flat */
body::before {
  content: "";
  position: fixed;
  inset: -40vmax;
  background: radial-gradient(closest-side, var(--accent) 0%, transparent 70%);
  opacity: 0.16;
  filter: blur(40px);
  animation: drift 18s var(--ease) infinite alternate;
  pointer-events: none;
  z-index: 0;
}

@keyframes drift {
  from { transform: translate(-8vw, -6vh) scale(1); }
  to   { transform: translate(8vw, 6vh) scale(1.15); }
}

main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6vmin;
  gap: 0.4em;
}

.kicker {
  font-size: clamp(0.9rem, 3.5vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
}

.answer {
  font-size: clamp(5rem, 38vw, 22rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--accent);
  text-shadow: 0 0.06em 0 rgba(0, 0, 0, 0.18);
  animation: pop 700ms var(--ease) both;
}

@keyframes pop {
  0%   { transform: scale(0.6) rotate(-4deg); opacity: 0; }
  60%  { transform: scale(1.06) rotate(1.5deg); }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

.detail {
  font-size: clamp(1.1rem, 4.5vw, 2rem);
  font-weight: 500;
  max-width: 18ch;
  opacity: 0.95;
}

.stamp {
  font-size: clamp(0.75rem, 2.6vw, 0.95rem);
  font-weight: 500;
  opacity: 0.55;
  margin-top: 0.6em;
}

footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3vmin;
  font-size: clamp(0.7rem, 2.4vw, 0.85rem);
  opacity: 0.5;
  display: flex;
  gap: 0.8em;
  justify-content: center;
  align-items: center;
}

footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  .answer { animation: none; }
  body { transition: none; }
}