:root {
  --ink: #171313;
  --paper: #8fc7ff;
  --paper-light: #d4f0ff;
  --paper-cool: #5aa1df;
  --panel: #fff0b7;
  --panel-shadow: #26384f;
  --button: #f5df55;
  --button-border: #171313;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 320px;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  color: var(--ink);
  font-family:
    "Trebuchet MS", "Arial Black", ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(circle at 18% 14%, rgba(255, 255, 255, 0.5), transparent 18rem),
    radial-gradient(circle at 78% 18%, rgba(113, 198, 255, 0.55), transparent 22rem),
    linear-gradient(180deg, var(--paper) 0%, #a9dbff 56%, var(--paper-light) 100%);
}

button {
  font: inherit;
}

.scene-shell {
  position: fixed;
  inset: 0;
  isolation: isolate;
}

#scene {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
}

.viewer-actions {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 3;
  display: flex;
  gap: 10px;
}

.game-hud {
  position: fixed;
  top: max(16px, env(safe-area-inset-top));
  left: 50%;
  z-index: 3;
  display: flex;
  gap: 8px;
  transform: translateX(-50%);
}

.hud-item {
  min-width: 92px;
  padding: 8px 10px;
  border: 3px solid var(--button-border);
  border-radius: 2px;
  background: var(--panel);
  box-shadow: 6px 6px 0 var(--panel-shadow);
}

.hud-item span,
.game-banner p {
  display: block;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  color: #324252;
  text-shadow: 1px 1px 0 #ffffff;
}

.hud-item strong {
  display: block;
  margin-top: 5px;
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  text-shadow: 2px 2px 0 #ffffff;
}

.game-banner {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 4;
  min-width: min(320px, calc(100vw - 36px));
  padding: 20px;
  border: 3px solid var(--button-border);
  border-radius: 2px;
  text-align: center;
  color: var(--ink);
  background: var(--panel);
  box-shadow: 8px 8px 0 var(--panel-shadow);
  transform: translate(-50%, -50%);
}

.game-banner[hidden] {
  display: none;
}

.game-banner h1 {
  margin: 8px 0 16px;
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 3px 3px 0 #ffffff;
}

.primary-button {
  min-width: 120px;
  min-height: 44px;
  border: 3px solid var(--button-border);
  border-radius: 2px;
  color: var(--ink);
  font-weight: 800;
  background: var(--button);
  box-shadow: 5px 5px 0 var(--panel-shadow);
  cursor: pointer;
}

.primary-button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--panel-shadow);
}

.primary-button:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--panel-shadow);
}

.icon-button {
  width: 44px;
  height: 44px;
  position: relative;
  display: grid;
  place-items: center;
  border: 3px solid var(--button-border);
  border-radius: 2px;
  color: var(--ink);
  background: var(--panel);
  box-shadow: 5px 5px 0 var(--panel-shadow);
  cursor: pointer;
}

.icon-button:hover {
  transform: translate(-1px, -1px);
  background: #ffffff;
  box-shadow: 6px 6px 0 var(--panel-shadow);
}

.icon-button:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--panel-shadow);
}

.icon-button:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 2px;
}

.sound-icon,
.sound-icon::before,
.sound-icon::after,
.pause-icon,
.pause-icon::before,
.pause-icon::after,
.reset-icon,
.reset-icon::before,
.reset-icon::after {
  display: block;
}

.sound-icon {
  width: 24px;
  height: 22px;
  position: relative;
}

.sound-icon::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 6px;
  width: 9px;
  height: 10px;
  background: currentColor;
  box-shadow: 8px -4px 0 -2px currentColor, 8px 4px 0 -2px currentColor;
}

.sound-icon::after {
  content: "";
  position: absolute;
  right: 1px;
  top: 3px;
  width: 9px;
  height: 14px;
  border: 3px solid currentColor;
  border-left: 0;
  border-radius: 0 12px 12px 0;
}

.icon-button.is-muted .sound-icon::after {
  right: 0;
  top: 9px;
  width: 18px;
  height: 3px;
  border: 0;
  border-radius: 0;
  background: currentColor;
  transform: rotate(-45deg);
}

.pause-icon {
  width: 16px;
  height: 20px;
  position: relative;
}

.pause-icon::before,
.pause-icon::after {
  content: "";
  position: absolute;
  top: 0;
  width: 5px;
  height: 20px;
  border-radius: 2px;
  background: currentColor;
}

.pause-icon::before {
  left: 1px;
}

.pause-icon::after {
  right: 1px;
}

.icon-button.is-paused .pause-icon {
  width: 0;
  height: 0;
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
  border-left: 17px solid currentColor;
}

.icon-button.is-paused .pause-icon::before,
.icon-button.is-paused .pause-icon::after {
  content: none;
}

.reset-icon {
  width: 22px;
  height: 22px;
  position: relative;
  border: 3px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
}

.reset-icon::before {
  content: "";
  position: absolute;
  top: -5px;
  right: 0;
  width: 0;
  height: 0;
  border-left: 8px solid currentColor;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  transform: rotate(-28deg);
}

@media (max-width: 640px) {
  .game-hud {
    top: 10px;
    width: calc(100vw - 20px);
    justify-content: center;
  }

  .hud-item {
    min-width: 0;
    flex: 1;
    padding: 7px 8px;
  }

  .hud-item strong {
    font-size: 18px;
  }

  .viewer-actions {
    right: 12px;
    bottom: 12px;
  }

  .icon-button {
    width: 42px;
    height: 42px;
  }
}