.invisible-button-game {
  box-sizing: border-box;
  width: min(100%, 820px);
  margin-inline: auto;
  padding: clamp(14px, 3vw, 24px);
  overflow: hidden;
}

.invisible-button-game__play-area {
  --invisible-playfield: color-mix(in srgb, var(--color-surface-raised) 88%, var(--sct-glow-blue) 12%);
  position: relative;
  display: block;
  width: min(100%, 600px);
  min-height: 0;
  aspect-ratio: 3 / 2;
  margin-inline: auto;
  padding: 0;
  background: var(--invisible-playfield);
  cursor: default;
}

.invisible-button-game__play-area.is-playing {
  cursor: crosshair;
}

.invisible-button-game__start.sct-btn-primary,
.invisible-button-game__start.sct-btn-primary:hover:not(:disabled),
.invisible-button-game__start.sct-btn-primary:active:not(:disabled) {
  position: absolute;
  z-index: 3;
  inset: 0;
  width: max-content;
  height: max-content;
  margin: auto;
  min-width: 130px;
  transform: none;
}

.invisible-button-game__start:focus-visible,
.invisible-button-game__restart:focus-visible {
  outline: 3px solid var(--sct-text-accent);
  outline-offset: 3px;
}

.invisible-button-game__restart {
  width: max-content;
  margin: 0 0 var(--space-3) auto;
  display: flex;
  padding: .45rem .75rem;
  border-radius: 999px;
  font-size: .82rem;
  line-height: 1.1;
}

.invisible-button-game__target {
  --target-size: 80px;
  position: absolute;
  z-index: 2;
  width: var(--target-size);
  min-width: 0;
  height: var(--target-size);
  min-height: 0;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  border-radius: 10px;
  background: transparent;
  box-shadow: none;
  color: transparent;
  cursor: crosshair;
  font: 900 clamp(.55rem, 2vw, .9rem) / 1 var(--font-body);
  letter-spacing: .02em;
  outline: 0;
  transition: none;
}

.invisible-button-game__target:not(.is-found):not(.is-hint):hover,
.invisible-button-game__target:not(.is-found):not(.is-hint):active {
  border: 0;
  background: transparent;
  box-shadow: none;
  color: transparent;
  filter: none;
  transform: none;
}

.invisible-button-game__target:focus-visible {
  outline: 3px solid var(--sct-text-accent);
  outline-offset: 2px;
}

.invisible-button-game__target.is-found {
  border: 2px solid #fff3a6;
  background: #b8ff2c;
  box-shadow:
    0 0 10px #b8ff2c,
    0 0 26px #b8ff2c,
    0 0 42px color-mix(in srgb, #b8ff2c 75%, transparent);
  color: #162000;
  pointer-events: none;
  animation: invisible-button-found 500ms ease-out both;
}

.invisible-button-game__target.is-hint {
  border: 2px solid #b8ff2c;
  box-shadow: 0 0 18px #b8ff2c;
  animation: invisible-button-hint 160ms ease-out both;
}

.invisible-button-game__feedback {
  position: absolute;
  z-index: 3;
  top: 18px;
  left: 50%;
  max-width: min(78%, 380px);
  padding: .5em .85em;
  border: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  color: var(--color-text-muted);
  font-size: clamp(.9rem, 2.8vw, 1.05rem);
  font-weight: var(--font-weight-heavy);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%);
}

.invisible-button-game__feedback.is-visible {
  animation: invisible-button-message 2400ms ease-out both;
}

.invisible-button-game__feedback.is-success {
  border-color: #b8ff2c;
  color: var(--color-text);
}

.invisible-button-game__result {
  position: absolute;
  z-index: 5;
  inset: 12px;
  box-sizing: border-box;
  width: min(calc(100% - 24px), 520px);
  height: max-content;
  margin: auto;
  padding: clamp(12px, 3vw, 20px);
  box-shadow: 0 10px 30px color-mix(in srgb, var(--color-text) 18%, transparent);
}

.invisible-button-game__result .sct-timed-click__result-stats {
  margin: var(--space-3) 0;
}

.invisible-button-game__credit {
  margin: var(--space-4) auto;
  padding: 0 var(--space-3);
  color: var(--color-text-muted);
  font-size: .72rem;
  text-align: center;
}

.invisible-button-game__credit a {
  color: inherit;
  text-decoration: underline;
}

@keyframes invisible-button-found {
  0% { transform: scale(.7) rotate(-7deg); }
  45% { transform: scale(1.18) rotate(4deg); }
  100% { transform: scale(1) rotate(0); }
}

@keyframes invisible-button-hint {
  0%, 100% { opacity: 0; }
  45% { opacity: 1; }
}

@keyframes invisible-button-message {
  0% { opacity: 0; transform: translate(-50%, 6px) scale(.95); }
  12%, 84% { opacity: 1; transform: translate(-50%, 0) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -6px) scale(.98); }
}

@media (max-width: 520px) {
  .invisible-button-game {
    padding: 12px;
  }

  .invisible-button-game__feedback {
    top: 10px;
  }

  .invisible-button-game__play-area.is-finished {
    min-height: 410px;
    aspect-ratio: auto;
  }

  .invisible-button-game__result .sct-timed-click__result-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .invisible-button-game__result .sct-timed-click__result-stats div {
    padding: var(--space-2) 3px;
  }

  .invisible-button-game__result .sct-timed-click__action {
    min-width: 0;
    padding-inline: 8px;
    flex: 1 1 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .invisible-button-game__target.is-found,
  .invisible-button-game__target.is-hint,
  .invisible-button-game__feedback.is-visible {
    animation: none;
  }

  .invisible-button-game__feedback.is-visible {
    opacity: 1;
  }
}