.particle {
  position: fixed;
  z-index: 9999;
  width: clamp(20px, calc(var(--game-size) * 0.07), 40px);
  height: clamp(20px, calc(var(--game-size) * 0.07), 40px);
  background-color: var(--color-5);
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: Arial, sans-serif;
  font-weight: bold;
  font-size: clamp(12px, calc(var(--game-size) * 0.04), 22px);
  border-radius: 4px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
  pointer-events: none;
  /* Duration matches the 3000ms timeout in render.js triggerExplosion() */
  animation: explode 3s ease-out forwards;
}

.particle.alt {
  background-color: #fdf6e3;
  color: var(--color-5);
  box-shadow: inset 2px 2px 4px rgba(255, 255, 255, 1), 0 4px 10px rgba(0,0,0,0.5);
}

.particle.mega-burst {
  /* Duration matches the 3000ms timeout in startup.js and render.js */
  animation: explodeMega 3s ease-out forwards;
}

@keyframes explode {
  0% {
    transform: translate(-50%, -50%) scale(0.5) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(1.4) rotate(var(--rot));
    opacity: 0;
  }
}

@keyframes explodeMega {
  0% {
    transform: translate(-50%, -50%) scale(0.5) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(1.8) rotate(var(--rot));
    opacity: 0;
  }
}

@keyframes goldPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(255,215,0,0), 0 0 18px rgba(255,215,0,0.18);
  }
  50% {
    transform: scale(1.03);
    box-shadow: 0 0 10px rgba(255,215,0,0.45), 0 0 26px rgba(255,215,0,0.35);
  }
}

@keyframes titleShimmer {
  0% {
    text-shadow: 0 0 6px rgba(255,215,0,0.35), 0 0 14px rgba(255,215,0,0.15);
  }
  50% {
    text-shadow: 0 0 12px rgba(255,215,0,0.85), 0 0 24px rgba(255,170,0,0.55);
  }
  100% {
    text-shadow: 0 0 6px rgba(255,215,0,0.35), 0 0 14px rgba(255,215,0,0.15);
  }
}

@keyframes bluePulse {
  0%, 100% {
    text-shadow: 0 0 6px rgba(168,194,234,0.35), 0 0 14px rgba(168,194,234,0.15);
  }
  50% {
    text-shadow: 0 0 14px rgba(168,194,234,0.85), 0 0 28px rgba(120,180,255,0.55);
  }
}

@keyframes playAgainBling {
  0%, 100% {
    box-shadow: 0 6px 0 rgba(0,0,0,0.4), 0 0 5px rgba(168, 194, 234, 0.2);
    background-color: #ffffff;
  }
  50% {
    box-shadow: 0 6px 0 rgba(0,0,0,0.4), 0 0 25px rgba(168, 194, 234, 0.8);
    background-color: #f0f6ff;
  }
}