@keyframes bgBubbleRise {
  0%   { transform: translateY(0) scale(1);   opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.6; }
  100% { transform: translateY(-110vh) scale(1.1); opacity: 0; }
}

@keyframes bubbleInflate {
  0%   { transform: scale(0);    opacity: 0; }
  60%  { transform: scale(1.15); opacity: 1; }
  80%  { transform: scale(0.95); }
  100% { transform: scale(1);    opacity: 1; }
}

@keyframes bubbleFloat {
  0%   { transform: translateY(0) scale(1);     opacity: 1; }
  100% { transform: translateY(-420px) scale(1.3); opacity: 0; }
}

@keyframes machinePulse {
  0%, 100% { box-shadow: 0 0 12px rgba(110,255,197,0.3); }
  50%       { box-shadow: 0 0 40px rgba(110,255,197,0.9), 0 0 80px rgba(110,255,197,0.4); }
}

@keyframes lumaBounce {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25%       { transform: translateY(-18px) rotate(-8deg); }
  75%       { transform: translateY(-10px) rotate(8deg); }
}

@keyframes lumaIdle {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%       { transform: translateY(-6px) rotate(2deg); }
}

@keyframes tileShake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-8px); }
  40%       { transform: translateX(8px); }
  60%       { transform: translateX(-5px); }
  80%       { transform: translateX(5px); }
}

@keyframes sparklePop {
  0%   { transform: translate(0,0) scale(0); opacity: 1; }
  60%  { transform: translate(var(--dx), var(--dy)) scale(1.3); opacity: 1; }
  100% { transform: translate(calc(var(--dx)*1.5), calc(var(--dy)*1.5)) scale(0); opacity: 0; }
}

@keyframes badgeReveal {
  0%   { transform: scale(0) rotate(-15deg); opacity: 0; }
  70%  { transform: scale(1.1) rotate(4deg);  opacity: 1; }
  100% { transform: scale(1) rotate(0deg);   opacity: 1; }
}

@keyframes screenGlow {
  0%, 100% { opacity: 0; }
  30%       { opacity: 1; }
}

@keyframes slotSuccess {
  0%   { background: rgba(110,255,197,0.5); border-color: var(--clr-success); }
  100% { background: rgba(110,255,197,0.25); border-color: var(--clr-success); }
}