.dog-zone {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  pointer-events: none;
}

.dog-zone--hero {
  grid-column: 1 / -1;
  min-height: clamp(220px, 30vh, 360px);
  margin-top: clamp(20px, 4vh, 40px);
}

.dog-zone--rest {
  grid-column: 1 / 2;
  min-height: clamp(220px, 28vh, 320px);
  align-self: end;
}

.dog-zone .gb-dog-layer {
  inset: 0;
}

.gb-dog-layer {
  --gb-ink: #2e211c;
  --gb-paper: #fff7e9;
  --gb-gold: var(--accent, #ffae00);
  --gb-ball-scale: 1;
  --gb-sprite-scale: 0.9;
  --gb-intro-scale: 1;
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  font-family: var(--font-mono, "Courier New", monospace);
  font-variant-numeric: tabular-nums;
  contain: layout paint;
}

.gb-dog-layer[data-zone-kind="rest"] .gb-dog-layer__ball,
.gb-dog-layer[data-zone-kind="rest"] .gb-dog-layer__bubble,
.gb-dog-layer[data-zone-kind="rest"] .gb-dog-layer__arc {
  display: none;
}

.gb-dog-layer[data-zone-kind="rest"] .gb-dog-layer__dog {
  pointer-events: none;
  cursor: default;
}

.gb-dog-layer.prefers-reduced-motion .gb-dog-layer__ball,
.gb-dog-layer.prefers-reduced-motion .gb-dog-layer__bubble,
.gb-dog-layer.prefers-reduced-motion .gb-dog-layer__arc {
  display: none;
}

.gb-dog-layer.prefers-reduced-motion .gb-dog-layer__dog {
  pointer-events: none;
  cursor: default;
}

.gb-dog-layer__arc {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--gb-arc-width, 0);
  border-top: 3px dotted var(--gb-gold);
  opacity: 0;
  transform: translate3d(var(--gb-arc-x, 0), var(--gb-arc-y, 0), 0) rotate(var(--gb-arc-angle, 0));
  transform-origin: 0 50%;
  transition: opacity 90ms ease;
}

.gb-dog-layer__arc.is-visible {
  opacity: 0.9;
}

.gb-dog-layer__shadow {
  position: absolute;
  left: 0;
  top: 0;
  width: 82px;
  height: 12px;
  margin-left: -41px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(38, 54, 61, 0.22) 0%, rgba(38, 54, 61, 0) 70%);
  transform: translate3d(var(--gb-shadow-x, 0), var(--gb-shadow-y, 0), 0) scale(calc(var(--gb-intro-scale) * 0.9 + 0.1));
  opacity: calc(var(--gb-intro-scale) * 0.75 + 0.15);
  transition: opacity 200ms ease;
}

/* ---- 3D voxel dog ---- */
.gb-dog-layer__dog {
  position: absolute;
  left: 0;
  top: 0;
  width: 122px;
  height: 108px;
  transform: translate3d(var(--gb-dog-x, 0), var(--gb-dog-y, 0), 0) scaleX(var(--gb-dog-face, 1)) scale(calc(var(--gb-sprite-scale) * var(--gb-intro-scale, 1)));
  transform-origin: 58px 98px;
  pointer-events: auto;
  cursor: pointer;
  will-change: transform;
  -webkit-tap-highlight-color: transparent;
  transition: filter 300ms ease;
}

.gb-voxel-dog,
.gb-voxel-ball {
  position: relative;
  transform-style: preserve-3d;
  image-rendering: pixelated;
}

.gb-voxel-dog {
  width: 122px;
  height: 108px;
  perspective: 420px;
  filter: drop-shadow(0 2px 1px rgba(40, 24, 12, 0.2));
}

.gb-voxel-dog__rig {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg);
  transform-origin: 58px 72px;
  animation: gb-breathe 3.8s ease-in-out infinite;
}

.gb-voxel-group {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

.gb-tail {
  transform-origin: 22px 42px;
}

.gb-ear {
  transform-origin: 50% 100%;
}

.gb-leg {
  transform-origin: 50% 0%;
}

.gb-eyes--closed {
  opacity: 0;
}

.gb-dog-layer__dog.is-running .gb-voxel-dog__rig,
.gb-dog-layer__dog.is-catching .gb-voxel-dog__rig {
  animation: gb-run-bob 320ms steps(4, end) infinite;
}

.gb-dog-layer__dog.is-presenting .gb-tail,
.gb-dog-layer__dog.is-happy .gb-tail,
.gb-dog-layer__dog.is-running .gb-tail,
.gb-dog-layer__dog.is-catching .gb-tail {
  animation: gb-tail-wag 280ms steps(4, end) infinite;
}

.gb-dog-layer__dog.is-running .gb-leg--back,
.gb-dog-layer__dog.is-catching .gb-leg--back {
  animation: gb-leg-back 280ms steps(4, end) infinite;
}

.gb-dog-layer__dog.is-running .gb-leg--front,
.gb-dog-layer__dog.is-catching .gb-leg--front {
  animation: gb-leg-front 280ms steps(4, end) infinite;
}

.gb-dog-layer__dog.is-presenting .gb-ear--l,
.gb-dog-layer__dog.is-happy .gb-ear--l {
  animation: gb-ear-perk-l 420ms ease-in-out 2;
}

.gb-dog-layer__dog.is-presenting .gb-ear--r,
.gb-dog-layer__dog.is-happy .gb-ear--r {
  animation: gb-ear-perk-r 420ms ease-in-out 2;
}

.gb-dog-layer__dog.is-sleeping .gb-eyes--open {
  opacity: 0;
}

.gb-dog-layer__dog.is-sleeping .gb-eyes--closed {
  opacity: 1;
}

.gb-dog-layer__dog.is-sleeping .gb-voxel-dog__rig {
  animation: gb-snooze 3.4s ease-in-out infinite;
  transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg) translateY(8px) scale(1.04, 0.82);
}

/* ---- Ball (small 3D pixel rubber ball) ---- */
.gb-dog-layer__ball {
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  margin-left: -11px;
  margin-top: -11px;
  cursor: grab;
  pointer-events: none;
  touch-action: none;
  transform: translate3d(var(--gb-bone-x, 0), var(--gb-bone-y, 0), 0) rotate(var(--gb-bone-rotate, 0deg)) scale(var(--gb-ball-scale));
  transform-origin: 50% 50%;
  will-change: transform;
}

.gb-voxel-ball {
  width: 22px;
  height: 22px;
  transform: rotateX(10deg) rotateY(-14deg);
  filter: drop-shadow(0 1px 1px rgba(40, 12, 8, 0.3));
}

.gb-dog-layer__ball.is-ready,
.gb-dog-layer__ball.is-held {
  pointer-events: auto;
}

.gb-dog-layer__ball.is-ready {
  animation: gb-ball-ready 900ms ease-in-out infinite;
}

.gb-dog-layer__ball.is-held {
  cursor: grabbing;
  animation: none;
}

body.gb-dog-layer-is-dragging {
  cursor: grabbing;
}

/* ---- Speech bubble ---- */
.gb-dog-layer__bubble {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate3d(var(--gb-bubble-x, 0), var(--gb-bubble-y, 0), 0);
  background: var(--gb-paper);
  border: 2px solid var(--gb-ink);
  border-radius: 4px;
  padding: 3px 7px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: lowercase;
  white-space: nowrap;
  pointer-events: none;
  color: var(--gb-ink);
  line-height: 1;
  opacity: 0;
  transform-origin: 50% 120%;
  transition: opacity 220ms ease;
}

.gb-dog-layer__bubble::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 14px;
  width: 8px;
  height: 8px;
  background: var(--gb-paper);
  border-right: 2px solid var(--gb-ink);
  border-bottom: 2px solid var(--gb-ink);
  transform: rotate(45deg);
}

.gb-dog-layer[data-state="ready"] .gb-dog-layer__bubble,
.gb-dog-layer[data-state="sleeping"] .gb-dog-layer__bubble {
  opacity: 1;
  animation: gb-bubble-pop 320ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---- Zzz (sleeping) ---- */
.gb-dog-layer__zzz {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate3d(var(--gb-zzz-x, 0), var(--gb-zzz-y, 0), 0);
  pointer-events: none;
  opacity: 0;
  color: var(--gb-gold);
  font-weight: 800;
  text-transform: lowercase;
}

.gb-dog-layer__zzz span {
  position: absolute;
  left: 0;
  top: 0;
  display: block;
  text-shadow: 0 1px 0 rgba(40, 24, 12, 0.25);
}

.gb-dog-layer__zzz span:nth-child(1) { font-size: 9px; }
.gb-dog-layer__zzz span:nth-child(2) { font-size: 12px; }
.gb-dog-layer__zzz span:nth-child(3) { font-size: 16px; }

.gb-dog-layer[data-state="sleeping"] .gb-dog-layer__zzz {
  opacity: 1;
}

.gb-dog-layer[data-state="sleeping"] .gb-dog-layer__zzz span:nth-child(1) {
  animation: gb-float 2.6s ease-out infinite;
}

.gb-dog-layer[data-state="sleeping"] .gb-dog-layer__zzz span:nth-child(2) {
  animation: gb-float 2.6s ease-out 0.8s infinite;
}

.gb-dog-layer[data-state="sleeping"] .gb-dog-layer__zzz span:nth-child(3) {
  animation: gb-float 2.6s ease-out 1.6s infinite;
}

@keyframes gb-breathe {
  0%, 100% { transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg) translateY(0); }
  40% { transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg) translateY(-1.5px); }
  60% { transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg) translateY(-1px); }
}

@keyframes gb-run-bob {
  0% { transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg) translateY(0); }
  25% { transform: rotateX(5deg) rotateY(-8deg) rotateZ(-1deg) translateY(-5px); }
  50% { transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg) translateY(0); }
  75% { transform: rotateX(3deg) rotateY(-8deg) rotateZ(-1deg) translateY(-4px); }
  100% { transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg) translateY(0); }
}

@keyframes gb-snooze {
  0%, 100% { transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg) translateY(8px) scale(1.04, 0.84); }
  50% { transform: rotateX(4deg) rotateY(-8deg) rotateZ(-1deg) translateY(10px) scale(1.06, 0.8); }
}

@keyframes gb-tail-wag {
  0% { transform: rotateZ(-10deg) translateY(0); }
  25% { transform: rotateZ(0deg) translateY(-1px); }
  50% { transform: rotateZ(14deg) translateY(0); }
  75% { transform: rotateZ(0deg) translateY(-1px); }
  100% { transform: rotateZ(-10deg) translateY(0); }
}

@keyframes gb-leg-back {
  0% { transform: translateY(0) rotateZ(-8deg); }
  25% { transform: translateY(2px) rotateZ(0deg); }
  50% { transform: translateY(3px) rotateZ(8deg); }
  75% { transform: translateY(2px) rotateZ(0deg); }
  100% { transform: translateY(0) rotateZ(-8deg); }
}

@keyframes gb-leg-front {
  0% { transform: translateY(3px) rotateZ(8deg); }
  25% { transform: translateY(2px) rotateZ(0deg); }
  50% { transform: translateY(0) rotateZ(-8deg); }
  75% { transform: translateY(2px) rotateZ(0deg); }
  100% { transform: translateY(3px) rotateZ(8deg); }
}

@keyframes gb-ear-perk-l {
  0%, 100% { transform: rotateZ(0deg) translateY(0); }
  30% { transform: rotateZ(-9deg) translateY(-3px); }
  60% { transform: rotateZ(-4deg) translateY(-1px); }
}

@keyframes gb-ear-perk-r {
  0%, 100% { transform: rotateZ(0deg) translateY(0); }
  30% { transform: rotateZ(9deg) translateY(-3px); }
  60% { transform: rotateZ(4deg) translateY(-1px); }
}

@keyframes gb-ball-ready {
  0%, 100% {
    transform: translate3d(var(--gb-bone-x, 0), var(--gb-bone-y, 0), 0) rotate(0deg) scale(var(--gb-ball-scale));
  }
  40% {
    transform: translate3d(var(--gb-bone-x, 0), calc(var(--gb-bone-y, 0) - 7px), 0) rotate(6deg) scale(calc(var(--gb-ball-scale) * 1.05));
  }
  70% {
    transform: translate3d(var(--gb-bone-x, 0), calc(var(--gb-bone-y, 0) - 2px), 0) rotate(3deg) scale(var(--gb-ball-scale));
  }
}

@keyframes gb-bubble-pop {
  0% { transform: translate3d(var(--gb-bubble-x, 0), var(--gb-bubble-y, 0), 0) scale(0.4); opacity: 0; }
  60% { transform: translate3d(var(--gb-bubble-x, 0), var(--gb-bubble-y, 0), 0) scale(1.08); opacity: 1; }
  100% { transform: translate3d(var(--gb-bubble-x, 0), var(--gb-bubble-y, 0), 0) scale(1); opacity: 1; }
}

@keyframes gb-float {
  0% { transform: translate(0, 0) scale(0.6); opacity: 0; }
  15% { opacity: 0.9; }
  70% { opacity: 0.6; }
  100% { transform: translate(16px, -30px) scale(1.15); opacity: 0; }
}

@media (max-width: 720px) {
  .gb-dog-layer {
    --gb-sprite-scale: 0.58;
    --gb-ball-scale: 0.92;
  }

  .dog-zone--hero {
    min-height: clamp(180px, 24vh, 280px);
  }

  .dog-zone--rest {
    min-height: clamp(180px, 22vh, 260px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .gb-voxel-dog__rig,
  .gb-dog-layer__ball,
  .gb-tail,
  .gb-leg,
  .gb-ear,
  .gb-dog-layer__zzz span {
    animation: none !important;
    transition-duration: 0.001ms !important;
  }

  .gb-dog-layer__arc {
    display: none;
  }

  .dog-zone {
    min-height: clamp(160px, 20vh, 220px);
  }
}