/* Layout: one full-screen canvas, a slim score bar on top, one centered card for start / game over.
   Single dark "deep space" look on purpose, so every color is set explicitly. */
:root {
  --space-top: #22174d;
  --space-bot: #0b2340;
  --ink: #fff6e8;
  --ink-dim: #b9b3d6;
  --coral: #ff7a6b;
  --mint: #6be3c3;
  --butter: #ffd66b;
  --lilac: #b49cff;
  --card: rgba(20, 14, 52, 0.82);
  --display: "Lilita One", "Arial Rounded MT Bold", "Trebuchet MS", sans-serif;
  --body: "Nunito", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  color-scheme: dark;
}
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; overflow: hidden; }
body {
  background: var(--space-bot);
  color: var(--ink);
  font-family: var(--body);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
canvas { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
.hud {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: flex-start;
  padding-top: calc(env(safe-area-inset-top, 0px) + 14px);
  padding-left: max(18px, env(safe-area-inset-left, 0px));
  padding-right: max(18px, env(safe-area-inset-right, 0px));
  pointer-events: none;
}
.score { font-family: var(--display); font-size: 2.6rem; line-height: 1; letter-spacing: 0.02em; text-shadow: 0 3px 0 rgba(0,0,0,0.25); }
.best { font-weight: 800; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); text-align: right; }
.best b { display: block; font-family: var(--display); font-weight: 400; font-size: 1.4rem; letter-spacing: 0.02em; color: var(--butter); }
.overlay {
  position: fixed; inset: 0; display: grid; place-items: center;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.card {
  width: min(100%, 360px);
  background: var(--card);
  border: 2px solid rgba(180, 156, 255, 0.35);
  border-radius: 22px;
  padding: 26px 24px 22px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  text-align: center;
  backdrop-filter: blur(6px);
  animation: pop 0.35s cubic-bezier(.2,1.4,.4,1);
}
.card h1 {
  margin: 0; font-family: var(--display); font-weight: 400;
  font-size: 3.2rem; line-height: 0.95; letter-spacing: 0.01em; text-wrap: balance;
  color: var(--butter); text-shadow: 0 4px 0 #b4512f;
}
.card p { margin: 0; color: var(--ink-dim); font-size: 0.98rem; line-height: 1.45; max-width: 30ch; }
.card .big { font-family: var(--display); font-size: 4rem; line-height: 1; color: var(--ink); }
.card .label { font-weight: 800; font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lilac); }
.tips { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 6px; font-size: 0.9rem; color: var(--ink-dim); text-align: left; }
.tips li { display: flex; gap: 10px; align-items: center; }
.dot { width: 12px; height: 12px; border-radius: 50%; flex: none; }
button {
  margin-top: 8px;
  font: inherit; font-family: var(--display); font-size: 1.5rem; letter-spacing: 0.03em;
  color: #3a1410; background: var(--coral);
  border: 0; border-radius: 999px; padding: 12px 38px;
  box-shadow: 0 5px 0 #b4412f; cursor: pointer;
  transition: transform 0.08s, box-shadow 0.08s;
}
button:active { transform: translateY(4px); box-shadow: 0 1px 0 #b4412f; }
button:focus-visible { outline: 3px solid var(--butter); outline-offset: 4px; }
.hint { font-size: 0.8rem; color: var(--ink-dim); opacity: 0.8; }
@keyframes pop { from { transform: scale(0.85); opacity: 0.4; } to { transform: scale(1); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .card { animation: none; } }