:root {
  --bg: #03060b;
  --ink: #e9eef8;
  --muted: #93a4bb;
  --cyan: #59d8e8;
  --line: #1a2538;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
}

body {
  background:
    radial-gradient(ellipse at 50% -10%, rgba(89, 216, 232, 0.12), transparent 42%),
    radial-gradient(ellipse at 80% 110%, rgba(120, 80, 220, 0.12), transparent 46%),
    var(--bg);
}

#game-canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  min-width: 0 !important;
  min-height: 0 !important;
  outline: none;
  touch-action: none;
  cursor: default;
}

#mindsphere-import-file {
  position: fixed;
  left: 16px;
  bottom: 16px;
  width: 118px;
  height: 34px;
  opacity: 0;
  cursor: pointer;
  z-index: 6;
}

.veil {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background:
    radial-gradient(ellipse at center, rgba(11, 24, 42, 0.94), rgba(3, 6, 11, 0.99) 68%);
  text-align: center;
  padding: 28px;
}

.veil[hidden] { display: none; }

.veil p { margin: 0; }

.loading-title {
  color: var(--ink);
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: 0.22em;
  padding-left: 0.22em;
  text-shadow: 0 0 32px rgba(89, 216, 232, 0.28);
}

.loading-note {
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.17em;
}

.orb {
  position: relative;
  width: 78px;
  height: 78px;
  margin-bottom: 8px;
  border: 1px solid rgba(89, 216, 232, 0.38);
  border-radius: 50%;
  box-shadow: 0 0 42px rgba(89, 216, 232, 0.18), inset 0 0 28px rgba(89, 216, 232, 0.12);
  animation: breathe 2.4s ease-in-out infinite;
}

.orb::before,
.orb::after {
  content: "";
  position: absolute;
  inset: 16px -7px;
  border: 1px solid rgba(89, 216, 232, 0.24);
  border-radius: 50%;
  transform: rotate(24deg);
}

.orb::after {
  inset: 7px 16px;
  transform: rotate(-36deg);
}

.orb i {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
  animation: blink 1.8s ease-in-out infinite;
}

.orb i:nth-child(1) { left: 18px; top: 24px; }
.orb i:nth-child(2) { right: 19px; top: 37px; animation-delay: 0.5s; }
.orb i:nth-child(3) { left: 36px; bottom: 14px; animation-delay: 1s; }

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.04); opacity: 1; }
}

@keyframes blink {
  0%, 100% { opacity: 0.35; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

.noscript {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 24px;
  background: var(--bg);
  color: var(--ink);
  text-align: center;
  z-index: 30;
}

@media (max-width: 900px) {
  #mindsphere-import-file {
    left: 16px;
    bottom: 16px;
  }
}