:root {
  color-scheme: light;
  background: #fff;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background: #fff;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

body {
  cursor: none;
}

#loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: #fff;
  color: rgb(0, 0, 255);
  font: 400 11px/1 "Times New Roman", Times, serif;
}

.loader-content {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.loader-track {
  display: block;
  width: 72px;
  height: 1px;
  overflow: hidden;
  background: rgba(0, 0, 255, 0.14);
}

#load-progress {
  display: block;
  width: 100%;
  height: 1px;
  background: rgb(0, 0, 255);
  transform: scaleX(0);
  transform-origin: left center;
}

#loader.is-ready {
  display: none;
}

#enter {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #fff;
  color: rgb(0, 0, 255);
  font: 400 11px/1 "Times New Roman", Times, serif;
  letter-spacing: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

#enter.is-active {
  display: grid;
  place-items: center;
}

#bouncy-spikes {
  position: fixed;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  background: #fff;
}

#game-over {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

#game-over.is-active {
  display: block;
}

#fallback {
  position: fixed;
  inset: 0;
  z-index: 19;
  display: none;
  place-items: center;
  background: #000;
  color: #fff;
  font: 700 clamp(3rem, 13vw, 10rem)/1 Arial, Helvetica, sans-serif;
  letter-spacing: -0.06em;
}

#fallback.is-active {
  display: grid;
}

#reset {
  position: fixed;
  top: max(11px, env(safe-area-inset-top));
  right: max(13px, env(safe-area-inset-right));
  z-index: 30;
  padding: 4px 5px 3px;
  border: 0;
  border-radius: 0;
  outline: 0;
  background: rgba(255, 255, 255, 0.72);
  color: rgb(0, 0, 255);
  font: 400 9px/1 "Times New Roman", Times, serif;
  letter-spacing: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms linear;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

body.ui-awake {
  cursor: default;
}

body.ui-awake #reset {
  opacity: 0.62;
  pointer-events: auto;
}

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

@media (hover: hover) and (pointer: fine) {
  #loader,
  #enter {
    font-size: 13px;
  }

  #reset {
    font-size: 11px;
  }
}

@media (hover: none), (pointer: coarse) {
  body,
  body.ui-awake {
    cursor: none;
  }

  #reset {
    display: none !important;
  }
}

#game-over.is-portrait {
  inset: auto;
  top: 50%;
  left: 50%;
  width: 100vh;
  height: 100vw;
  transform: translate(-50%, -50%) rotate(90deg);
  transform-origin: center;
}

@media (prefers-reduced-motion: reduce) {
  /* L'opera resta animata per sua natura; evitiamo soltanto la dissolvenza UI. */
  #reset {
    transition: none;
  }
}