html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0b1416;
  color: #e9dcc0;
  font-family: Georgia, "Times New Roman", serif;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#unity-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: #0b1416;
  outline: none;
  touch-action: none;
}

#loading, #problem, #rotate {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
  background: radial-gradient(ellipse at center, #1b2a2e 0%, #0b1416 70%);
}

#loading[hidden], #problem[hidden] {
  display: none;
}

.title {
  font-size: clamp(48px, 10vw, 96px);
  letter-spacing: 0.2em;
  color: #f3d9a4;
  text-shadow: 0 0 24px rgba(255, 140, 40, 0.35);
}

.subtitle {
  font-size: clamp(16px, 3vw, 24px);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 40px;
}

.bar {
  width: min(420px, 80vw);
  height: 6px;
  border-radius: 3px;
  background: rgba(233, 220, 192, 0.15);
  overflow: hidden;
}

#bar-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #b8742e, #f3d9a4);
  transition: width 0.2s ease-out;
}

#status {
  margin-top: 14px;
  font-size: 14px;
  opacity: 0.6;
}

#problem p {
  max-width: 520px;
  font-size: 18px;
  line-height: 1.5;
}

/* Phones and tablets: the layouts are landscape only, and browsers there cannot lock the orientation. */
#rotate {
  display: none;
  z-index: 10;
}

#rotate .phone {
  width: 40px;
  height: 70px;
  border: 3px solid #e9dcc0;
  border-radius: 8px;
  margin-bottom: 24px;
  animation: turn 2s ease-in-out infinite;
}

@keyframes turn {
  0%, 30% { transform: rotate(0deg); }
  60%, 100% { transform: rotate(-90deg); }
}

@media (orientation: portrait) {
  body.mobile #rotate {
    display: flex;
  }
}

/* The full screen button: top centre is clear in both the menu and the army builder. Faint until pointed at. */
#fullscreen {
  position: fixed;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(233, 220, 192, 0.35);
  background: rgba(11, 20, 22, 0.55);
  color: #e9dcc0;
  opacity: 0.55;
  cursor: pointer;
  transition: opacity 0.15s;
}

#fullscreen:hover, #fullscreen:focus-visible {
  opacity: 1;
}

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

#fullscreen-hint {
  position: fixed;
  top: 56px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  max-width: min(420px, 90vw);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(233, 220, 192, 0.35);
  background: rgba(11, 20, 22, 0.92);
  color: #e9dcc0;
  font-size: 14px;
  line-height: 1.4;
  text-align: center;
}