:root {
  --accent: #f5e6c8;
  --accent-2: #e8a87c;
  --carton: #c4a574;
  --carton-dark: #8b6914;
  --egg: #fff8e7;
  --egg-shade: #e8dcc8;
}

.egg-intro {
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.egg-intro strong {
  color: var(--text);
}

.game-hud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1.25rem;
  margin-bottom: 0.5rem;
}

.hud-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}

.hud-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.score-value {
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
  color: var(--accent-2);
}

.score-bump {
  animation: score-bump 0.35s ease;
}

@keyframes score-bump {
  0% { transform: scale(1); }
  40% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.streak-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.streak-value {
  font-size: 1.1rem;
  color: #7dffb2;
}

.streak-pop {
  animation: streak-pop 0.4s ease;
}

@keyframes streak-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

.move-feedback {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 600;
  min-height: 1.5rem;
  margin: 0 0 0.75rem;
  opacity: 0;
  transform: translateY(6px) scale(0.95);
  transition: opacity 0.2s ease, transform 0.25s ease;
  pointer-events: none;
}

.move-feedback.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.move-feedback--perfect {
  color: #7dffb2;
  text-shadow: 0 0 20px rgba(125, 255, 178, 0.45);
}

.move-feedback--good {
  color: var(--accent);
}

.move-feedback--warn {
  color: #ffd166;
}

.move-feedback--bad {
  color: #ff6b6b;
}

.egg-layout {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 520px) {
  .egg-layout {
    grid-template-columns: 1fr 6.5rem;
    align-items: start;
  }
}

.carton-wrap {
  width: 100%;
}

.carton-scene {
  perspective: 900px;
  min-height: 14rem;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1rem 0 0.5rem;
  touch-action: manipulation;
}

.carton {
  transform-style: preserve-3d;
  will-change: transform;
}

.carton.is-collapsing {
  transition: transform 0.85s cubic-bezier(0.55, 0.06, 0.68, 0.99);
}

.carton.is-tipped .carton-body {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.carton-lid {
  height: 0.65rem;
  background: linear-gradient(180deg, var(--carton) 0%, var(--carton-dark) 100%);
  border-radius: 0.35rem 0.35rem 0 0;
  margin: 0 0.25rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.carton-body {
  background: linear-gradient(145deg, #d4bc8a 0%, var(--carton) 40%, var(--carton-dark) 100%);
  border: 2px solid #6b5220;
  border-radius: 0 0 0.5rem 0.5rem;
  padding: 0.65rem;
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.45),
    inset 0 2px 0 rgba(255, 255, 255, 0.15);
  transition: box-shadow 0.4s ease;
}

.carton-grid {
  display: grid;
  gap: 0.45rem;
  justify-content: center;
}

.cup {
  width: var(--cup-size, 2.75rem);
  height: var(--cup-size, 2.75rem);
  border-radius: 50% 50% 45% 45%;
  background: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(0, 0, 0, 0.12), transparent 55%),
    linear-gradient(180deg, #a08050 0%, #6b4e28 100%);
  border: 1px solid rgba(0, 0, 0, 0.25);
  cursor: pointer;
  position: relative;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    filter 0.15s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.cup:hover:not(.cup--filled):not(:disabled) {
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--accent) 55%, transparent),
    0 0 16px color-mix(in srgb, var(--accent-2) 35%, transparent);
  transform: scale(1.05);
}

.cup.cup--hover:not(.cup--filled) {
  box-shadow:
    0 0 0 3px var(--accent-2),
    0 0 20px color-mix(in srgb, var(--accent-2) 50%, transparent);
  transform: scale(1.07);
}

.btn-interactive.is-pressed,
.cup.is-pressed {
  transform: scale(0.94);
  filter: brightness(1.08);
}

.size-pick.is-pressed,
#btn-pause.is-pressed,
#btn-sound.is-pressed,
#btn-clear.is-pressed,
#btn-restart.is-pressed {
  transform: scale(0.96);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.25);
}

.size-pick {
  transition:
    transform 0.12s ease,
    box-shadow 0.15s ease,
    background 0.15s ease;
}

.size-pick:hover {
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent-2) 40%, transparent);
}

.size-pick.is-active {
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent-2) 55%, transparent);
}

.cup--filled {
  cursor: grab;
}

.cup--filled:active {
  cursor: grabbing;
}

.egg {
  position: absolute;
  left: 50%;
  bottom: 18%;
  width: 72%;
  height: 88%;
  transform: translateX(-50%);
  border-radius: 50% 50% 48% 48%;
  background: radial-gradient(ellipse 40% 35% at 35% 28%, #fff, var(--egg) 45%, var(--egg-shade) 100%);
  box-shadow:
    inset -2px -4px 8px rgba(0, 0, 0, 0.08),
    2px 4px 8px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

.egg.is-placing {
  animation: egg-drop 0.38s cubic-bezier(0.34, 1.4, 0.64, 1) forwards;
}

.egg.is-settled {
  transform: translateX(-50%);
}

.egg.is-falling {
  animation: egg-fall 0.7s ease-in forwards;
  animation-delay: var(--fall-delay, 0s);
}

.egg--ghost {
  opacity: 0.92;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.35));
}

@keyframes egg-drop {
  0% {
    transform: translateX(-50%) translateY(-120%) scale(0.6);
    opacity: 0.5;
  }
  70% {
    transform: translateX(-50%) translateY(4%) scale(1.05);
    opacity: 1;
  }
  100% {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes egg-fall {
  0% {
    transform: translateX(-50%) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate(calc(-50% + var(--fall-x, 0px)), 140%) rotate(var(--fall-rot, 40deg));
    opacity: 0;
  }
}

.egg-tray {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 0.75rem;
  border: 1px solid var(--border);
}

.egg-tray-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.tray-hint {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
}

.tray-eggs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: center;
  max-width: 5rem;
}

.tray-egg {
  width: 1.4rem;
  height: 1.75rem;
  border-radius: 50% 50% 48% 48%;
  background: radial-gradient(ellipse 40% 35% at 35% 28%, #fff, var(--egg) 50%, var(--egg-shade));
  box-shadow: 1px 3px 6px rgba(0, 0, 0, 0.25);
  opacity: 0.85;
}

.tilt-meter {
  margin-top: 1rem;
  height: 0.35rem;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.tilt-meter-fill {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent-2);
  transform: translateX(-50%);
  transition: left 0.2s ease-out, background 0.25s ease;
  border-radius: 2px;
}

.tilt-meter-fill.is-danger {
  background: #ff6b6b;
}

.game-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.game-controls .btn {
  transition:
    transform 0.12s ease,
    box-shadow 0.15s ease,
    filter 0.12s ease;
}

.game-controls .btn:hover:not(:disabled) {
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent-2) 35%, transparent);
}

.game-panel--paused {
  opacity: 0.72;
}

.game-panel--paused .carton-scene::after {
  content: "Paused";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0, 0, 0, 0.35);
  border-radius: 0.5rem;
  pointer-events: none;
}

.carton-scene {
  position: relative;
}

.overlay-tip {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.65);
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.overlay-tip.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.overlay-card {
  text-align: center;
  padding: 2rem 1.5rem;
  max-width: 20rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  transform: scale(0.92);
  transition: transform 0.35s ease;
}

.overlay-tip.is-visible .overlay-card {
  transform: scale(1);
}

.overlay-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.overlay-card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.overlay-score {
  font-weight: 600;
  color: var(--accent-2) !important;
}

@media (prefers-reduced-motion: reduce) {
  .egg.is-placing,
  .egg.is-falling,
  .score-bump,
  .streak-pop,
  .carton.is-collapsing {
    animation: none;
    transition: none;
  }
}