:root {
  --night: #120a1f;
  --pumpkin: #ff7a1a;
  --phantom: #9466ff;
  --ghost: #f4f1ff;
  --candle: #ffd633;
  color-scheme: dark;
}

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 30%, #2a1650 0%, var(--night) 65%);
  color: var(--ghost);
  font-family: ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
}

#stage {
  position: fixed;
  inset: 0;
}

#unity-canvas {
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
  background: transparent;
}

/* ---------- loading screen ---------- */

#loader {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  text-align: center;
  padding: 24px;
  transition: opacity .6s ease;
}

#loader.done { opacity: 0; pointer-events: none; }

#loader .ghost {
  width: 110px;
  animation: float 2.4s ease-in-out infinite;
  filter: drop-shadow(0 0 22px rgba(244, 241, 255, .35));
}

#loader h1 {
  margin: 0;
  font-size: clamp(40px, 8vw, 84px);
  letter-spacing: .06em;
  font-weight: 900;
  text-shadow: 0 0 24px rgba(255, 122, 26, .7);
}

#loader h1 span { color: var(--pumpkin); }

.bar {
  width: min(420px, 80vw);
  height: 14px;
  border-radius: 99px;
  background: rgba(244, 241, 255, .12);
  overflow: hidden;
}

#progress {
  width: 0;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--pumpkin), var(--candle));
  box-shadow: 0 0 16px rgba(255, 122, 26, .8);
  transition: width .2s ease;
}

#status { margin: 0; font-weight: 700; opacity: .85; }
.tip { margin: 0; max-width: 460px; font-size: 14px; opacity: .6; }

/* ---------- chrome ---------- */

#chrome {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  display: flex;
  gap: 8px;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

#chrome[hidden] { display: none; }

.chip {
  pointer-events: auto;
  padding: 6px 12px;
  border-radius: 99px;
  border: 1px solid rgba(244, 241, 255, .2);
  background: rgba(18, 10, 31, .6);
  backdrop-filter: blur(6px);
  color: var(--ghost);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  opacity: .7;
  transition: opacity .2s, background .2s;
}

.chip:hover, .chip:focus-visible { opacity: 1; background: rgba(255, 122, 26, .25); }
button.chip { cursor: pointer; }

#toast {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translate(-50%, calc(-100% - 30px));
  padding: 10px 18px;
  border-radius: 99px;
  background: var(--pumpkin);
  color: var(--night);
  font-weight: 800;
  opacity: 0;
  transition: transform .35s cubic-bezier(.2, 1.4, .4, 1), opacity .2s;
  pointer-events: none;
}

#toast.show { transform: translate(-50%, 0); opacity: 1; }

#banner {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  gap: 6px;
  width: min(640px, 92vw);
}

#banner div {
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(18, 10, 31, .9);
  border: 1px solid rgba(244, 241, 255, .2);
}

#banner .warning { border-color: var(--candle); }
#banner .error { border-color: #ff4d6d; background: #3a0a18; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-14px) rotate(3deg); }
}

@media (prefers-reduced-motion: reduce) {
  #loader .ghost { animation: none; }
}