@keyframes pulse {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

.loot-box {
  width: 90px;
  height: 90px;
  border-radius: 18px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: radial-gradient(circle at top, #171717, #050505);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.85), 0 0 18px rgba(0, 0, 0, 0.7);
  transition: all 160ms ease-out;
}

.loot-box::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 14px;
  border: 2px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 14px rgba(0, 0, 0, 0.9);
  z-index: 1;
}

.loot-box-inner {
  position: relative;
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: radial-gradient(circle at top, #222, #000);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 14px rgba(0, 0, 0, 0.8);
}

.loot-box-inner::before {
  content: "";
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.loot-box[data-rarity="green"] {
  box-shadow: 0 0 18px rgba(0, 200, 120, 0.7);
}

.loot-box[data-rarity="blue"] {
  box-shadow: 0 0 18px rgba(80, 160, 255, 0.8);
}

.loot-box[data-rarity="purple"] {
  box-shadow: 0 0 20px rgba(160, 80, 255, 0.85);
}

.loot-box[data-rarity="gold"] {
  box-shadow: 0 0 22px rgba(255, 190, 70, 0.95);
}

.loot-box.selected {
  transform: scale(1.12);
  border-color: rgba(255, 140, 0, 0.95);
  filter: brightness(1.1);
  box-shadow: 0 0 26px rgba(255, 140, 0, 0.95), 0 0 60px rgba(255, 140, 0, 0.75);
}

.loot-box.motion-blur {
  filter: blur(1px) brightness(0.9);
  opacity: 0.9;
}

.multi-pill {
  min-width: 90px;
  height: 40px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 700;
  color: #ffd8a0;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.6), inset 0 0 6px rgba(255, 255, 255, 0.1);
  transition: all 140ms ease-out;
}

.multi-pill.selected {
  transform: scale(1.18);
  color: #fff2cc;
  box-shadow: 0 0 20px rgba(255, 140, 0, 0.95), 0 0 50px rgba(255, 140, 0, 0.6);
}

.multi-pill.motion-blur {
  filter: blur(1px) brightness(0.95);
  opacity: 0.9;
}

#spinBtn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

#popupBackdrop {
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}