/* === INVENTORY ROOT BAR === */
#inventory-root {
  position: fixed;
  bottom: 20px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  pointer-events: none;
  z-index: 999;
}

/* semi-transparent dock */
#inventoryBar {
  width: 60vw;
  height: 80px;

  background: rgba(10, 10, 15, 0.55);
  backdrop-filter: blur(10px);

  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;

  display: flex;
  justify-content: center;
  align-items: center;

  pointer-events: auto;
}

/* center cluster */
#inventoryCenter {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: center;
}

/* item icons */
.inv-item {
  width: 46px;
  height: 46px;

  background-size: cover;
  background-position: center;

  border-radius: 8px;

  cursor: pointer;

  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.inv-item:hover {
  transform: translateY(-3px);
}

.inv-item.active {
  box-shadow: 0 0 14px rgba(120,160,255,0.7);
}

/* side panel */
#inventoryPanel {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);

  width: 260px;
  padding: 16px;

  background: rgba(10,10,15,0.9);
  border: 1px solid rgba(255,255,255,0.1);

  color: #ddd;
  font-size: 13px;

  display: none;
}

#inventoryPanel.open {
  display: block;
}