:root {
  color-scheme: dark;
  font-family: "Comic Sans MS", "Comic Sans", cursive;
  background: #39383f;
  color: #39383f;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  touch-action: manipulation;
}

body {
  min-height: 100vh;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 2rem;
  border: 0;
  background: #39383f;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.boot-screen img {
  display: block;
  width: min(70vw, 24rem);
  max-height: min(70vh, 24rem);
  object-fit: contain;
  animation: boot-pulse 2.4s ease-in-out infinite;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

@keyframes boot-pulse {
  0%,
  100% {
    transform: scale(0.98);
  }

  50% {
    transform: scale(1.03);
  }
}

.page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  position: relative;
  touch-action: manipulation;
}

h1 {
  margin: 0;
  position: absolute;
  top: 2rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .page {
    padding: 1rem;
  }

  h1 {
    top: 1rem;
  }
}

.cat-button {
  display: grid;
  place-items: center;
  width: min(72vw, 26rem);
  aspect-ratio: 1;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.cat-button:focus-visible {
  outline: 0.25rem solid #2f7dd1;
  outline-offset: 0.5rem;
  border-radius: 0.5rem;
}

#mooncat {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}