/* Game board — holes & moles */
.board {
  position: relative;
  width: 100%;
  max-width: var(--board-max);
  margin-inline: auto;
  z-index: var(--z-board);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  cursor: crosshair;
}

.board__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(var(--space-3), 3vw, var(--space-5));
}

.hole {
  position: relative;
  aspect-ratio: var(--hole-aspect);
  overflow: hidden;
  cursor: crosshair;
  background:
    linear-gradient(var(--color-ink), var(--color-ink)) top / 100% var(--border-thin) no-repeat,
    linear-gradient(var(--color-ink), var(--color-ink)) bottom / 100% var(--border-thin) no-repeat,
    linear-gradient(var(--color-ink), var(--color-ink)) left / var(--border-thin) 100% no-repeat,
    linear-gradient(var(--color-ink), var(--color-ink)) right / var(--border-thin) 100% no-repeat,
    repeating-linear-gradient(
      -45deg,
      var(--color-paper-dim) 0 3px,
      transparent 3px 6px
    ),
    var(--color-paper-dim);
}

/*
  On hit: open only the TOP so the hammer can sit above the head.
  Keep left/right/bottom clipped — side bleed was the corner scraps.
*/
.hole.is-hit {
  z-index: 2;
  overflow: visible;
  clip-path: inset(-28% 0 0 0);
}

/*
  Well fills the hole — do NOT raise bottom edge.
  Raising bottom + overflow:hidden was clipping mole paws.
*/
/*
  Well must stack ABOVE grass. Mole z-index only works inside this
  stacking context — if grass shares z-index with the well and comes
  later in DOM, black grass blades cover the paws.
  Keep overflow:hidden always — never unclip on hit (that spilled grass).
*/
.hole__well {
  position: absolute;
  inset: var(--border-thin);
  overflow: hidden;
  z-index: 2;
}

/*
  Grass = ground dressing behind the mole.
  Transparent pixels don't cover; opaque black blades do if layered above.
*/
.hole__grass {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: auto;
  aspect-ratio: 1024 / 391;
  object-fit: cover;
  object-position: center bottom;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
  z-index: 1;
  max-height: 32%;
}

.mole {
  position: absolute;
  left: 50%;
  bottom: 8%;
  width: var(--mole-width);
  transform: translateX(-50%) translateY(110%);
  transition: transform var(--duration-slow) var(--ease-snap);
  will-change: transform;
  pointer-events: none;
  z-index: 2;
}

.mole__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 640;
  object-fit: contain;
  object-position: center bottom;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: nearest-neighbor;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.mole__img--hit {
  position: absolute;
  left: 0;
  bottom: 0;
  opacity: 0;
  transition: opacity 60ms steps(1, end);
}

.mole__img--idle {
  position: relative;
  opacity: 1;
  transition: opacity 60ms steps(1, end);
}

/* Full mole (incl. paws) visible above grass */
.hole.is-up .mole {
  transform: translateX(-50%) translateY(0);
  transition-timing-function: var(--ease-pop);
}

.hole.is-hit .mole__img--idle {
  opacity: 0;
}

.hole.is-hit .mole__img--hit {
  opacity: 1;
}

.hole.is-hit:not(.is-up) .mole {
  transform: translateX(-50%) translateY(110%) rotate(-4deg) scale(0.94);
  transition-duration: var(--duration-base);
  transition-timing-function: var(--ease-snap);
}

.hole.is-hit.is-up .mole {
  transform: translateX(-50%) translateY(-4%) scale(1.05);
  transition-duration: var(--duration-fast);
}

/*
  Hit FX on the hole — sits on the mole crown, not floating above.
*/
.fx-burst {
  position: absolute;
  left: 54%;
  top: 14%;
  width: 20%;
  aspect-ratio: 1;
  margin: 0;
  display: grid;
  place-items: center;
  background: none;
  border: none;
  box-shadow: none;
  opacity: 0;
  pointer-events: none;
  z-index: 6;
  transform: translate(-50%, -40%) rotate(-36deg);
}

.fx-burst__hammer {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.hole.is-hit .fx-burst {
  animation: hammer-tap 240ms var(--ease-out) forwards;
}

@keyframes hammer-tap {
  0% {
    opacity: 0;
    transform: translate(-30%, -90%) rotate(-52deg) scale(0.9);
  }
  32% {
    opacity: 1;
    transform: translate(-50%, -40%) rotate(-16deg) scale(1);
  }
  60% {
    opacity: 1;
    transform: translate(-50%, -34%) rotate(-10deg) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-52%, -22%) rotate(-4deg) scale(0.95);
  }
}

.board.is-paused {
  pointer-events: none;
  opacity: 0.55;
  filter: grayscale(1);
  cursor: default;
}

@media (max-width: 380px) {
  .board__grid {
    gap: var(--space-2);
  }

  :root {
    --mole-width: 96%;
  }

  .hole__grass {
    max-height: 36%;
  }
}