#inventory-ui .item-icon--img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  image-rendering: pixelated;
}

#inventory-ui .inventory-slot .item-icon.item-icon--terrain {
  display: block;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#inventory-ui.is-hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

#inventory-ui:not(.is-hidden) {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

#inventory-ui .inventory-slot.slot-collect-pop {
  animation: inventory-slot-collect-pop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 2;
}

@keyframes inventory-slot-collect-pop {
  0% {
    transform: scale(1);
  }
  45% {
    transform: scale(1.2);
    box-shadow: 0 0 18px rgba(255, 215, 0, 0.75), 0 0 28px rgba(255, 215, 0, 0.35);
    border-color: #ffd700;
  }
  100% {
    transform: scale(1);
  }
}

.player-money {
  position: fixed;
  top: 10px;
  left: calc(50% - 220px);
  transform: translateX(-50%);
  padding: 6px 12px;
  font-family: var(--font-ui, 'Arial', sans-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-border-gold, #c9a227);
  background: rgba(0, 0, 0, 0.8);
  border: 2px solid #555;
  border-radius: 8px;
  z-index: 1002;
  pointer-events: none;
}

#inventory-ui {
  --inventory-slot-size: 52px;
  --inventory-columns: 6;
  background: rgba(0, 0, 0, 0.8);
  border: 2px solid #555;
  border-radius: 8px;
  padding: 8px;
  display: grid;
  grid-template-columns: repeat(var(--inventory-columns), var(--inventory-slot-size));
  gap: 6px;
  width: fit-content;
  max-width: calc(
    var(--inventory-columns) * var(--inventory-slot-size) +
    (var(--inventory-columns) - 1) * 6px +
    16px
  );
  font-family: 'Arial', sans-serif;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
  pointer-events: auto;
}

#inventory-ui .inventory-slot {
  width: var(--inventory-slot-size);
  height: var(--inventory-slot-size);
  background: #2a2a2a;
  border: 2px solid #444;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: border-color 0.2s, border-width 0.2s, box-shadow 0.2s, background-color 0.2s;
  cursor: pointer;
  padding: 2px;
  transform-origin: center center;
}

#inventory-ui .inventory-slot:not(.empty):hover {
  border-color: #888;
}

#inventory-ui .inventory-slot.selected {
  border-color: #ffd700;
  border-width: 4px;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.6), 0 0 20px rgba(255, 215, 0, 0.3);
  background-color: #3a3a2a;
}

#inventory-ui .inventory-slot.empty {
  border-style: dashed;
  border-color: #555;
}

#inventory-ui .inventory-slot.empty::after {
  content: '?';
  color: #666;
  font-size: 18px;
  font-weight: bold;
}

#inventory-ui .inventory-slot:not(.empty) {
  border-color: #666;
}

#inventory-ui .inventory-slot .slot-number {
  position: absolute;
  top: 2px;
  left: 4px;
  color: #888;
  font-size: 10px;
  font-weight: bold;
}

#inventory-ui .inventory-slot .item-icon {
  width: 28px;
  height: 28px;
  margin-bottom: 0;
}

#inventory-ui .inventory-slot .item-name {
  display: none;
}

#inventory-ui .inventory-slot .item-count {
  position: absolute;
  right: 3px;
  bottom: 1px;
  color: #ffd700;
  font-size: 9px;
  font-weight: bold;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9);
}

#inventory-ui .inventory-slot .item-icon.pokeball-sprite {
  background-image: url('../sprites/items/pokeballs.png');
  background-size: 756px 350px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}