/* =========================================================
   12. Effects / animations
   ========================================================= */

.wsn-diagnosis-app .answer-sparkle-layer {
  position: fixed;
  inset: 0;
  z-index: var(--z-sparkle);
  overflow: hidden;
  pointer-events: none;
}

.wsn-diagnosis-app .answer-sparkle {
  position: fixed;
  left: 0;
  top: 0;
  width: 10px;
  height: 10px;
  color: var(--sparkle);
  transform: translate(-50%, -50%);
  animation: sparkleBurst var(--duration-sparkle) var(--ease-out) forwards;
}

.wsn-diagnosis-app .answer-sparkle::before {
  content: "✦";
  display: block;
  font-size: var(--sparkle-size, 16px);
  line-height: 1;
  text-shadow: 0 8px 20px var(--alpha-accent-28);
}

.wsn-diagnosis-app .answer-sparkle:nth-child(3n + 1) {
  color: var(--sparkle-2);
}

.wsn-diagnosis-app .answer-sparkle:nth-child(3n + 2) {
  color: var(--sparkle-3);
}

.wsn-diagnosis-app .question-transition {
  animation: questionPop var(--duration-ui) var(--ease-out) both;
}

@keyframes wsnScreenLift {
  from { opacity: 1; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes mascotFloat {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-12px) rotate(1.2deg); }
}

@keyframes mascotShadow {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: .78; }
  50% { transform: translateX(-50%) scale(.86); opacity: .48; }
}

@keyframes mascotNod {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-5px) rotate(-3deg); }
}

@keyframes mascotCheer {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  20% { transform: translateY(-8px) rotate(-7deg) scale(1.04); }
  44% { transform: translateY(1px) rotate(6deg) scale(1.02); }
  68% { transform: translateY(-4px) rotate(-3deg) scale(1.03); }
}

@keyframes bubblePop {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-4px) scale(1.02); }
}

@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

@keyframes serviceNudge {
  0%, 100% { transform: translateX(0); }
  35% { transform: translateX(-4px); }
  70% { transform: translateX(4px); }
}

@keyframes sparkleBurst {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(.3) rotate(0deg);
  }
  15% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform:
      translate(calc(-50% + var(--sparkle-x)), calc(-50% + var(--sparkle-y)))
      scale(1.15)
      rotate(var(--sparkle-rot));
  }
}

@keyframes progressShine {
  to { transform: translateX(110%); }
}

@keyframes questionPop {
  0% { opacity: 1; transform: translateY(6px) scale(.992); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes buttonSheen {
  to { transform: translateX(120%); }
}