.hl-overlay-stage {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: transparent;
}

.hl-overlay-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hl-theme-sakura::before {
  background: radial-gradient(circle at 14% 12%, rgba(255, 209, 229, 0.25), transparent 24%), radial-gradient(circle at 85% 20%, rgba(255, 233, 213, 0.2), transparent 30%);
}

.hl-theme-dusk::before {
  background: radial-gradient(circle at 20% 10%, rgba(255, 165, 192, 0.22), transparent 24%), radial-gradient(circle at 82% 20%, rgba(255, 188, 136, 0.2), transparent 30%);
}

.hl-theme-night::before {
  background: radial-gradient(circle at 50% 0%, rgba(84, 107, 186, 0.24), transparent 32%), radial-gradient(circle at 80% 16%, rgba(145, 120, 196, 0.16), transparent 30%);
}

.hl-overlay-petal {
  position: absolute;
  top: -26px;
  width: 16px;
  height: 11px;
  border-radius: 70% 30% 65% 35%;
  background: linear-gradient(140deg, rgba(255, 207, 228, 0.92), rgba(255, 239, 245, 0.7));
  opacity: 0;
  pointer-events: none;
  animation: hl-petal-fall linear infinite;
}

.hl-theme-night .hl-overlay-petal {
  background: linear-gradient(140deg, rgba(211, 179, 228, 0.9), rgba(233, 220, 241, 0.72));
}

.hl-lantern {
  position: absolute;
  bottom: -250px;
  width: 104px;
  transform: translateX(-50%) scale(var(--lantern-scale, 1));
  transform-origin: center bottom;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
}

.hl-lantern-img {
  width: 104px;
  height: auto;
  display: block;
}

.hl-intro .hl-lantern-img {
  animation: hl-idle var(--idle-duration, 1s) ease-in-out infinite;
  animation-delay: var(--idle-delay, 0s);
}

.hl-rising {
  animation: hl-rise var(--rise-duration, 20s) linear forwards;
}

.hl-lantern-rope {
  width: 2px;
  height: 22px;
  margin: -2px auto 0;
  background: rgba(84, 56, 32, 0.7);
}

.hl-lantern-tag-wrap {
  width: 82px;
  margin: 0 auto;
  transform-origin: top center;
  animation: hl-swing var(--swing-duration, 1.8s) ease-in-out infinite;
  animation-delay: var(--swing-delay, 0s);
}

.hl-lantern-tag {
  width: 80px;
  box-sizing: border-box;
  padding: 4px 6px;
  text-align: center;
  font-size: 12px;
  line-height: 1.2;
  background: rgba(250, 243, 223, 0.96);
  border: 1px solid rgba(119, 87, 54, 0.58);
  border-radius: 4px;
  color: #3f2a1d;
}

@keyframes hl-rise {
  0% {
    transform: translate(-50%, 0) scale(var(--lantern-scale, 1));
    opacity: 1;
  }
  65% {
    transform: translate(calc(-50% + var(--drift-x, 0px)), -58vh) scale(var(--lantern-scale, 1));
    opacity: 1;
  }
  82% {
    opacity: 1;
  }
  100% {
    transform: translate(calc(-50% + var(--drift-x, 0px)), -118vh) scale(var(--lantern-scale, 1));
    opacity: 0;
  }
}

@keyframes hl-petal-fall {
  0% {
    transform: translate3d(0, -20px, 0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  100% {
    transform: translate3d(26px, 108vh, 0) rotate(540deg);
    opacity: 0;
  }
}

@keyframes hl-swing {
  0% {
    transform: rotate(-6deg);
  }
  50% {
    transform: rotate(6deg);
  }
  100% {
    transform: rotate(-6deg);
  }
}

@keyframes hl-idle {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
  100% {
    transform: translateY(0);
  }
}