*, *::before, *::after { box-sizing: border-box; }

:root {
  color-scheme: light;
  --ink: #222831;
  --muted: #5d6876;
  --floor: #eef2e6;
  --wall: #f9f4ea;
  --cushion: #d9364f;
  --cushion-dark: #a71f38;
  --cushion-light: #ff7a86;
  --accent: #1f8a70;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, var(--wall) 0 62%, var(--floor) 62% 100%);
}

.stage {
  width: min(100%, 920px);
}

.play-area {
  display: grid;
  justify-items: center;
  gap: 18px;
  text-align: center;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 8vw, 5.5rem);
  line-height: 0.95;
}

.intro {
  max-width: 620px;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.55;
}

.fart-cushion {
  position: relative;
  width: min(68vw, 440px);
  aspect-ratio: 1 / 0.72;
  margin: 22px 0 4px;
  border: 0;
  border-radius: 34% 38% 35% 40% / 42% 38% 45% 40%;
  color: #fff8f1;
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.42), transparent 22%),
    radial-gradient(circle at 68% 68%, rgba(93, 0, 18, 0.24), transparent 28%),
    linear-gradient(145deg, var(--cushion-light), var(--cushion) 44%, var(--cushion-dark));
  box-shadow:
    inset -16px -22px 36px rgba(79, 0, 19, 0.28),
    inset 14px 16px 28px rgba(255, 255, 255, 0.24),
    0 34px 42px rgba(43, 32, 22, 0.2);
  cursor: pointer;
  transform: rotate(-2deg);
  transition: transform 110ms ease, box-shadow 110ms ease;
}

.fart-cushion:hover {
  transform: rotate(-1deg) translateY(-2px);
}

.fart-cushion:focus-visible {
  outline: 4px solid #1f8a70;
  outline-offset: 8px;
}

.fart-cushion:active,
.fart-cushion.is-playing {
  transform: rotate(-2deg) scale(0.94);
  box-shadow:
    inset -18px -24px 44px rgba(79, 0, 19, 0.34),
    inset 10px 12px 24px rgba(255, 255, 255, 0.18),
    0 18px 26px rgba(43, 32, 22, 0.18);
}

.shine {
  position: absolute;
  top: 19%;
  left: 22%;
  width: 31%;
  height: 18%;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  transform: rotate(-15deg);
}

.valve {
  position: absolute;
  right: 11%;
  top: 42%;
  width: 12%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 40%, #ffe6a8, #c4832d 60%, #704414);
  box-shadow: inset -4px -5px 8px rgba(74, 43, 10, 0.32);
}

.label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding-top: 8px;
  font-size: clamp(2rem, 8vw, 4.8rem);
  font-weight: 900;
  text-shadow: 0 3px 0 rgba(80, 0, 18, 0.35);
}

.status {
  min-height: 1.6em;
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 520px) {
  body { padding: 18px; }
  .play-area { gap: 14px; }
  .intro { font-size: 1rem; }
  .fart-cushion {
    width: min(88vw, 360px);
    margin-top: 12px;
  }
}