:root {
  color-scheme: dark;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: #202024;
  color: #fff;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(rgb(255 255 255 / 2%) 1px, transparent 1px) 0 0 / 100% 4px,
    radial-gradient(circle at top, #3c3c40 0, #202024 55%);
}

main {
  width: min(900px, 100%);
  margin: 0 auto;
  padding: 3rem 1rem 2rem;
  text-align: center;
}

.eyebrow {
  margin: 0;
  color: #b7ff63;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0.25rem 0 0;
  font-size: clamp(4rem, 16vw, 8rem);
  line-height: 1;
  text-shadow: 0.12em 0 #101010;
}

.tagline {
  margin: 1rem 0 2rem;
  color: #d4d4d8;
}

.panel {
  padding: 2rem;
  border: 1px solid #62626a;
  background: rgb(32 32 36 / 85%);
  box-shadow: 12px 12px 0 #101012;
}

.panel h2 {
  margin-top: 0;
}

button {
  min-width: 12rem;
  padding: 0.85rem 1.25rem;
  border: 0;
  background: #fff;
  color: #202024;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.45;
}

button:not(:disabled):hover,
button:not(:disabled):focus-visible {
  background: #b7ff63;
  outline: 3px solid #202024;
  outline-offset: -6px;
}

.hint {
  margin-bottom: 0;
  color: #a1a1aa;
  font-size: 0.85rem;
}

kbd {
  padding: 0.15em 0.4em;
  border: 1px solid #71717a;
  border-bottom-width: 3px;
  background: #303036;
}

canvas {
  display: block;
  max-width: 100%;
  height: auto !important;
  margin: 2rem auto 0;
  border: 1px solid #62626a;
  box-shadow: 12px 12px 0 #101012;
}

footer {
  margin-top: 2rem;
}

a {
  color: #b7ff63;
}

@media (max-width: 600px) {
  main {
    padding-top: 1.5rem;
  }

  .panel {
    padding: 1.25rem;
    box-shadow: 6px 6px 0 #101012;
  }

  canvas {
    box-shadow: 6px 6px 0 #101012;
  }
}