* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --night: #0b1026;
  --dusk: #1f1a4a;
  --gold: #e3b04b;
  --gold-dark: #9c6b1c;
  --light: #ffd88a;
  --u: 1px;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, var(--night), var(--dusk));
  color: #f4ead5;
  min-height: 100vh;
}

.scene {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

.lantern {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  filter: drop-shadow(0 0 calc(18 * var(--u)) rgba(255, 196, 92, 0.35));
  transform-origin: 50% 0;
  animation: swing 3.6s ease-in-out infinite alternate;
}

.lantern::before {
  content: "";
  position: absolute;
  top: calc(80 * var(--u));
  left: 50%;
  width: calc(320 * var(--u));
  height: calc(320 * var(--u));
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 206, 110, 0.35), rgba(255, 206, 110, 0) 65%);
  pointer-events: none;
  z-index: -1;
  animation: glow 2.2s ease-in-out infinite;
}

.chain {
  width: calc(3 * var(--u));
  height: calc(90 * var(--u));
  background: repeating-linear-gradient(180deg, var(--gold-dark) 0 calc(6 * var(--u)), transparent calc(6 * var(--u)) calc(9 * var(--u)));
}

.ring {
  width: calc(22 * var(--u));
  height: calc(22 * var(--u));
  border: calc(3 * var(--u)) solid var(--gold);
  border-radius: 50%;
  margin-bottom: calc(-2 * var(--u));
}

.cap {
  width: calc(96 * var(--u));
  height: calc(54 * var(--u));
  background: linear-gradient(90deg, var(--gold-dark), var(--gold) 45%, var(--gold-dark));
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.body {
  position: relative;
  width: calc(116 * var(--u));
  height: calc(146 * var(--u));
  padding: calc(12 * var(--u)) calc(10 * var(--u));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(6 * var(--u));
  background: linear-gradient(90deg, var(--gold-dark), var(--gold) 50%, var(--gold-dark));
  clip-path: polygon(12% 0, 88% 0, 100% 12%, 100% 88%, 88% 100%, 12% 100%, 0 88%, 0 12%);
}

.window {
  border-radius: 50% 50% calc(4 * var(--u)) calc(4 * var(--u)) / 28% 28% calc(4 * var(--u)) calc(4 * var(--u));
  background: radial-gradient(circle at 50% 60%, #fff4d6, var(--light) 40%, #e07b2a 100%);
  animation: flicker 1.8s steps(1, end) infinite;
}

.window:nth-child(2) {
  animation-delay: -0.6s;
}

.window:nth-child(3) {
  animation-delay: -1.1s;
}

.flame {
  position: absolute;
  left: 50%;
  bottom: calc(22 * var(--u));
  width: calc(16 * var(--u));
  height: calc(28 * var(--u));
  transform: translateX(-50%);
  border-radius: 50% 50% 50% 50% / 65% 65% 35% 35%;
  background: radial-gradient(circle at 50% 70%, #fff, #ffe08a 45%, #ff9a3c);
  transform-origin: 50% 100%;
  animation: flame 0.9s ease-in-out infinite alternate;
}

.base {
  width: calc(96 * var(--u));
  height: calc(24 * var(--u));
  background: linear-gradient(90deg, var(--gold-dark), var(--gold) 45%, var(--gold-dark));
  clip-path: polygon(0 0, 100% 0, 78% 100%, 22% 100%);
}

.tip {
  width: calc(16 * var(--u));
  height: calc(22 * var(--u));
  background: var(--gold);
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}

.greeting {
  margin-top: calc(80 * var(--u));
  font-size: clamp(1.5rem, 6vw, 2.5rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--light);
}

.back {
  margin-top: auto;
  margin-bottom: 24px;
  padding: 4px 8px;
  border-radius: 4px;
  color: #f4ead5;
  font-size: 0.875rem;
  text-underline-offset: 3px;
}

.back:focus-visible {
  outline: 3px solid var(--light);
  outline-offset: 2px;
}

@media (max-width: 480px) {
  :root {
    --u: 0.8px;
  }
}

@media (min-width: 1000px) and (min-height: 760px) {
  :root {
    --u: 1.25px;
  }
}

@keyframes swing {
  from {
    transform: rotate(10deg);
  }
  to {
    transform: rotate(-10deg);
  }
}

@keyframes glow {
  0%,
  100% {
    opacity: 0.75;
    transform: translateX(-50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) scale(1.08);
  }
}

@keyframes flicker {
  0%,
  100% {
    filter: brightness(1);
  }
  30% {
    filter: brightness(1.15);
  }
  55% {
    filter: brightness(0.9);
  }
  80% {
    filter: brightness(1.08);
  }
}

@keyframes flame {
  from {
    transform: translateX(-50%) scale(1, 1) skewX(-4deg);
  }
  to {
    transform: translateX(-50%) scale(0.9, 1.12) skewX(4deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lantern,
  .window,
  .flame {
    animation: none;
  }

  .lantern::before {
    animation: glow 6s ease-in-out infinite;
  }
}