/* ===============================
   Silvester Feuerwerk – XenForo
   =============================== */

#silvester-layer {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  overflow: hidden;
}

/* Rakete */
.firework {
  position: absolute;
  bottom: -30px;
  width: 4px;
  height: 22px;
  border-radius: 2px;
  background: linear-gradient(
    to top,
    #ff004c,
    #ffcc00,
    #ffffff
  );
  animation: firework-launch 1.3s ease-out forwards;
}

/* Partikel */
.explosion {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: firework-explode 1s ease-out forwards;
  box-shadow: 0 0 8px currentColor;
}

/* Animationen */
@keyframes firework-launch {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(-90vh);
    opacity: 0;
  }
}

@keyframes firework-explode {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(var(--x), var(--y)) scale(0);
    opacity: 0;
  }
}