:root {
  color-scheme: dark;
  --bg: #070913;
  --ink: #f7fbff;
  --cyan: #66f7ff;
  --gold: #ffd56b;
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 12%, rgba(96, 247, 255, 0.18), transparent 24rem),
    linear-gradient(180deg, #0b1020 0%, #050711 100%);
  color: var(--ink);
  font-family: Helvetica, Arial, sans-serif;
}

#app {
  display: grid;
  place-items: center;
}

canvas {
  width: min(100vw, 177.777vh);
  height: min(56.25vw, 100vh);
  max-width: 100vw;
  max-height: 100vh;
  display: block;
  background: var(--bg);
}

.loading {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1rem;
  background: linear-gradient(180deg, #0b1020, #050711);
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: opacity 240ms ease;
}

.loading img {
  width: min(58vw, 760px);
  max-height: 38vh;
  object-fit: contain;
}

.loading.hidden {
  opacity: 0;
  pointer-events: none;
}