.win-stage {
  position: fixed;
  inset: 0;
  z-index: 3100;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 240ms ease, transform 800ms cubic-bezier(.17, .84, .44, 1);
}

.win-stage.is-active {
  opacity: 1;
  transform: scale(1);
}

.win-stage::before,
.win-stage::after {
  content: "";
  position: absolute;
  inset: -20vmax;
  background:
    conic-gradient(from 0deg, transparent 0 8deg, rgba(255, 209, 102, .28) 8deg 12deg, transparent 12deg 18deg),
    repeating-conic-gradient(from 12deg, rgba(76, 201, 240, .18) 0 6deg, rgba(255, 111, 177, .16) 6deg 12deg, rgba(120, 224, 143, .14) 12deg 18deg, transparent 18deg 28deg);
  mix-blend-mode: screen;
  animation: winSpinSky 7s linear infinite;
}

.win-stage::after {
  inset: -12vmax;
  filter: blur(6px);
  opacity: .7;
  animation-direction: reverse;
  animation-duration: 11s;
}


.win-confetti,
.win-streamer,
.win-spark {
  position: absolute;
  top: -8vh;
  left: calc(var(--x) * 1%);
  width: var(--w);
  height: var(--h);
  background: var(--c);
  border-radius: var(--r);
  transform: rotate(var(--rot));
  animation: winConfettiFall var(--d) linear var(--delay) infinite;
}

.win-streamer {
  height: 70px;
  border-radius: 999px;
  background: repeating-linear-gradient(180deg, var(--c) 0 9px, transparent 9px 17px);
  animation-name: winStreamerFall;
}

.win-spark {
  top: calc(var(--y) * 1%);
  width: 12px;
  height: 12px;
  clip-path: polygon(50% 0, 62% 35%, 100% 50%, 62% 65%, 50% 100%, 38% 65%, 0 50%, 38% 35%);
  animation: winSparkPop var(--d) ease-in-out var(--delay) infinite;
}

@keyframes winSpinSky {
  to { transform: rotate(360deg); }
}

@keyframes winBannerDrop {
  0% { opacity: 0; transform: translate(-50%, -150%) rotate(-7deg) scale(.75); }
  68% { opacity: 1; transform: translate(-50%, 8%) rotate(3deg) scale(1.08); }
  100% { opacity: 1; transform: translate(-50%, 0) rotate(-1deg) scale(1); }
}

@keyframes winBannerWobble {
  0%, 100% { transform: translateX(-50%) rotate(-1deg); }
  50% { transform: translateX(-50%) rotate(1deg); }
}

@keyframes winLetterPulse {
  0%, 100% { transform: translateY(0) scale(1); color: #fff; }
  45% { transform: translateY(-8px) scale(1.08); color: var(--win-cake-gold); }
}

@keyframes winCakeEntrance {
  0% { opacity: 0; transform: translate(70%, 70%) rotate(28deg) scale(.35); }
  70% { opacity: 1; transform: translate(-4%, -5%) rotate(-8deg) scale(1.1); }
  100% { opacity: 1; transform: translate(0, 0) rotate(0) scale(1); }
}

@keyframes winCakeDance {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-14px) rotate(2deg); }
}

@keyframes winCandleSway {
  0%, 100% { transform: rotate(-2deg); }
  50% { transform: rotate(3deg); }
}

@keyframes winFlame {
  0% { transform: translateX(-50%) scale(.9) rotate(-6deg); }
  100% { transform: translateX(-50%) scale(1.16) rotate(7deg); }
}

@keyframes winConfettiFall {
  0% { transform: translate3d(0, -12vh, 0) rotate(0deg); opacity: 0; }
  8% { opacity: 1; }
  100% { transform: translate3d(var(--drift), 112vh, 0) rotate(1080deg); opacity: 0; }
}

@keyframes winStreamerFall {
  0% { transform: translate3d(0, -18vh, 0) rotate(0deg) scaleY(.5); opacity: 0; }
  10% { opacity: 1; }
  100% { transform: translate3d(var(--drift), 116vh, 0) rotate(540deg) scaleY(1.2); opacity: 0; }
}

@keyframes winSparkPop {
  0%, 100% { transform: scale(.15) rotate(0deg); opacity: 0; }
  45% { transform: scale(2.4) rotate(160deg); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .win-stage,
  .win-stage *,
  .win-stage::before,
  .win-stage::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}