.game-effects {
  position: fixed;
  inset: 0;
  z-index: 220;
  overflow: hidden;
  pointer-events: none;
}

.treasure-reveal {
  position: absolute;
  top: clamp(4rem, 10vh, 8rem);
  right: clamp(.8rem, 4vw, 4rem);
  display: grid;
  justify-items: center;
  gap: .4rem;
  padding: 1rem 1rem .7rem;
  color: #251800;
  background: #ffe07b;
  border: 2px solid #fff3be;
  border-radius: .8rem;
  box-shadow: 0 8px 30px #0008;
  animation: treasure-reveal 1.65s ease-out both;
}

.treasure-chest {
  position: relative;
  display: block;
  width: 2.8rem;
  height: 1.25rem;
  margin-top: .55rem;
  background: linear-gradient(90deg, #a74d1c 12%, #f4a838 12% 25%, #a74d1c 25% 75%, #f4a838 75% 88%, #a74d1c 88%);
  border: 2px solid #60260f;
  border-radius: 0 0 .22rem .22rem;
}

.treasure-chest i {
  position: absolute;
  inset: -.66rem -.12rem auto;
  height: .75rem;
  border: 2px solid #60260f;
  border-radius: .45rem .45rem 0 0;
  background: #d8772a;
  transform-origin: left bottom;
  animation: treasure-lid .55s cubic-bezier(.2, .8, .3, 1.15) both;
}

.treasure-chest::after {
  content: '';
  position: absolute;
  top: .06rem;
  left: calc(50% - .23rem);
  width: .46rem;
  height: .53rem;
  border-radius: .12rem;
  background: #ffe88e;
}

.treasure-reveal strong { animation: prize-pop .45s .2s ease-out both; }
@keyframes treasure-reveal {
  0% { opacity: 0; transform: translateY(.4rem); }
  12%, 78% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-.25rem); }
}
@keyframes treasure-lid {
  35% { transform: rotate(0); }
  100% { transform: rotate(-32deg); }
}
@keyframes prize-pop {
  from { opacity: 0; transform: scale(.8); }
  to { opacity: 1; transform: scale(1); }
}

.treasure-coin {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  aspect-ratio: 1;
  border: 2px solid #ffe66e;
  border-radius: 50%;
  background: #ed9d22;
  box-shadow: inset 0 0 0 2px #bc6517, 0 0 8px #fcba44aa;
  animation: coin-to-score .84s var(--delay) ease-in-out both;
}
@keyframes coin-to-score {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.45); }
  32% { opacity: 1; transform: translate(calc(var(--spread) - 50%), -3.5rem) scale(1.2); }
  82% { opacity: 1; }
  100% { opacity: 0; transform: translate(calc(var(--target-x) - 50%), calc(var(--target-y) - 50%)) scale(.55); }
}

.first-buzz-ring {
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 .38rem var(--buzz-color), inset 0 0 2.3rem var(--buzz-color);
  animation: first-buzz .6s ease-out both;
}
@keyframes first-buzz {
  0%, 12% { opacity: .92; }
  100% { opacity: 0; }
}

.daily-double-reveal {
  position: absolute;
  top: 6%;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 9vw;
}
.daily-double-reveal i {
  padding: .25em .4em;
  border: .045em solid #ffdb60;
  border-radius: .2em;
  background: #164481;
  color: #ffdb60;
  box-shadow: 0 0 .3em #ffdb6088;
  font: 900 clamp(1rem, 3vw, 3rem)/1 system-ui, sans-serif;
  animation: double-emblem .9s ease-out both;
}
.daily-double-reveal i + i { animation-delay: .045s; }
@keyframes double-emblem {
  0% { opacity: 0; transform: rotate(-12deg) scale(.6); }
  22%, 68% { opacity: 1; transform: rotate(0) scale(1); }
  100% { opacity: 0; transform: translateY(-.45rem); }
}

.winner-confetti {
  position: absolute;
  top: -1rem;
  left: var(--x);
  width: .5rem;
  height: .85rem;
  border-radius: .08rem;
  background: #58a7ff;
  animation: confetti-fall var(--fall) var(--delay) linear both;
}
.winner-confetti:nth-child(even) { background: #ffda42; }
@keyframes confetti-fall {
  0% { opacity: 1; transform: translate(0) rotate(0); }
  85% { opacity: 1; }
  100% { opacity: 0; transform: translate(var(--drift), calc(100vh + 2rem)) rotate(var(--spin)); }
}

@media (prefers-reduced-motion: reduce) {
  .game-effects { display: none; }
  .flash.correct, .flash.incorrect, .result-flash.correct, .result-flash.incorrect,
  .team-score.buzzed .name, .buzzer-status.active, .overlay .buzz-indicator.visible,
  .timer-display.critical, .buzzer-timer.critical, .final-overlay .fj-timer.critical,
  .buzzed-result.you-buzzed .who { animation: none; }
}