.reward-celebration {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  pointer-events: none;
}

.reward-celebration.hidden {
  display: none;
}

.reward-celebration.is-open {
  pointer-events: auto;
}

.reward-celebration-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(30, 18, 12, 0.55);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.reward-celebration.is-visible .reward-celebration-backdrop {
  opacity: 1;
}

.reward-celebration-card {
  position: relative;
  width: min(360px, 100%);
  padding: 28px 22px 22px;
  border-radius: 24px;
  background: var(--cor-surface-panel, #fffdf8);
  border: 1px solid rgba(242, 148, 0, 0.35);
  box-shadow: 0 24px 60px rgba(62, 39, 35, 0.28);
  text-align: center;
  transform: scale(0.86) translateY(18px);
  opacity: 0;
  transition: transform 0.42s cubic-bezier(0.22, 1.4, 0.36, 1), opacity 0.28s ease;
}

.reward-celebration.is-visible .reward-celebration-card {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.reward-celebration-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  border-radius: inherit;
}

.reward-particle {
  position: absolute;
  left: 50%;
  top: 42%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: hsl(calc(20 + var(--i) * 14), 90%, 55%);
  opacity: 0;
  animation: reward-pop var(--d, 0.9s) ease-out forwards;
  animation-delay: calc(var(--i) * 0.012s);
}

@keyframes reward-pop {
  0% { opacity: 0; transform: translate(0, 0) scale(0.4); }
  20% { opacity: 1; }
  100% { opacity: 0; transform: translate(var(--x), var(--y)) scale(1); }
}

.reward-celebration-emoji {
  font-size: 3.2rem;
  line-height: 1;
  margin-bottom: 10px;
  animation: reward-bounce 0.7s cubic-bezier(0.22, 1.4, 0.36, 1);
}

@keyframes reward-bounce {
  0% { transform: scale(0.4) rotate(-12deg); }
  60% { transform: scale(1.12) rotate(4deg); }
  100% { transform: scale(1) rotate(0); }
}

.reward-celebration-eyebrow {
  margin: 0 0 6px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cor-topo, #f29400);
}

.reward-celebration-title {
  margin: 0 0 8px;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--cor-texto-escuro, #3e2723);
  line-height: 1.25;
}

.reward-celebration-sub {
  margin: 0 0 18px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cor-texto-claro, #795548);
}

.reward-celebration-btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, #f29400, #ffb74d);
  box-shadow: 0 8px 20px rgba(242, 148, 0, 0.35);
}

.reward-celebration-btn:active {
  transform: scale(0.97);
}

body.reward-celebration-open {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .reward-celebration-card,
  .reward-celebration-backdrop,
  .reward-celebration-emoji {
    animation: none !important;
    transition: opacity 0.15s ease !important;
  }
  .reward-particle { display: none; }
  .reward-celebration.is-visible .reward-celebration-card {
    transform: none;
  }
}