:root {
  color-scheme: dark;
  --ink: #08122b;
  --ocean: #006ba6;
  --blue: #0496ff;
  --gold: #ffbc42;
  --red: #d81159;
  --berry: #8f2d56;
}

* { box-sizing: border-box; }

html,
body,
#unity-container {
  width: 100%;
  height: 100%;
  min-width: 320px;
  min-height: 320px;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
}

body {
  position: fixed;
  inset: 0;
  overscroll-behavior: none;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

#unity-container {
  position: fixed;
  inset: 0;
}

#unity-canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  border: 0;
  outline: 0;
  background: var(--ink);
  touch-action: none;
}

#unity-loading {
  position: fixed;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 14px;
  padding: 8vw;
  text-align: center;
  pointer-events: none;
  background:
    radial-gradient(circle at 25% 20%, color-mix(in srgb, var(--blue) 35%, transparent), transparent 38%),
    linear-gradient(145deg, var(--ink), color-mix(in srgb, var(--berry) 35%, var(--ink)));
}

#unity-loading[hidden] { display: none; }

.loading-title {
  color: white;
  font-size: clamp(28px, 5vw, 72px);
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.loading-track {
  width: min(68vw, 720px);
  height: 10px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, white 35%, transparent);
  background: color-mix(in srgb, var(--ink) 76%, transparent);
}

#unity-progress {
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--blue), var(--gold), var(--red));
  transition: transform 120ms linear;
}

.loading-copy {
  color: var(--gold);
  font-size: clamp(11px, 1.5vw, 18px);
  font-weight: 800;
  letter-spacing: .22em;
}

#unity-fullscreen {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 20;
  width: 44px;
  height: 44px;
  border: 1px solid color-mix(in srgb, white 28%, transparent);
  border-radius: 10px;
  color: white;
  background: color-mix(in srgb, var(--ink) 62%, transparent);
  cursor: pointer;
  opacity: .28;
  font-size: 24px;
  transition: opacity 120ms ease, background 120ms ease, transform 120ms ease;
}

#unity-fullscreen:hover,
#unity-fullscreen:focus-visible {
  opacity: 1;
  background: var(--ocean);
  transform: scale(1.04);
}

#unity-fullscreen[hidden] { display: none; }

#unity-warning {
  position: fixed;
  z-index: 30;
  left: 50%;
  top: max(12px, env(safe-area-inset-top));
  width: min(90vw, 920px);
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
}

#unity-warning > div {
  margin-bottom: 6px;
  padding: 10px 16px;
  color: white;
  background: var(--berry);
  box-shadow: 0 8px 30px #0008;
}

#unity-warning > .error { background: var(--red); }

@media (max-width: 900px), (pointer: coarse) {
  #unity-fullscreen {
    width: 52px;
    height: 52px;
    opacity: .5;
  }

  .loading-track { width: min(82vw, 620px); }
}

@media (prefers-reduced-motion: reduce) {
  #unity-progress,
  #unity-fullscreen { transition: none; }
}