/* Inventory fan menu */
.inventory-menu {
  position: fixed;
  bottom: 10rem;
  left: 2rem;
  pointer-events: none;
  z-index: 2300;
  /* Make sure a cursor is shown when hovering menu area */
  cursor: default;
}
.inventory-menu .option {
  position: absolute;
  bottom: 10px;
  left: 10px;
  transform-origin: bottom left;
  transition: transform 0.3s ease, opacity 0.2s ease;
  pointer-events: auto;
}
.inventory-menu.select-mode {
  pointer-events: auto;
}
.inventory-menu .option.chosen {
  z-index: 5;
}
.inventory-menu .option.collapse {
  opacity: 0;
}
.inventory-menu .option.current {
  z-index: 10;
}
.inventory-menu .option .label {
  display: block;
  background: var(--accent-color);
  color: #fff;
  padding: 8px 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.4);
  animation: float 3s ease-in-out infinite;
  border-radius: 0;
  position: relative;
  transform: skewX(-10deg);
  /* Hand cursor on clickable labels for clarity */
  cursor: pointer;
}
.inventory-menu .option .label .text {
  display: block;
  transform: skewX(10deg);
}
.inventory-menu .option .label::after {
  content: "";
  position: absolute;
  top: 2px;
  left: -6px;
  right: -6px;
  bottom: -2px;
  background: rgba(0, 102, 255, 0.3);
  z-index: -1;
  transform-origin: center;
  opacity: 0;
  animation: blue-skew var(--skew-dur, 0.8s) ease-in-out infinite;
  animation-direction: alternate;
  animation-delay: var(--skew-delay, 0s);
  animation-play-state: paused;
  transition: opacity 0.3s ease;
}
.inventory-menu.select-mode .option .label::after {
  opacity: 1;
  animation-play-state: running;
}
.inventory-menu .option.current .label {
  box-shadow: 0 0 0 2px #fff, 0 0 10px var(--accent-color);
}

.inventory-menu.esoterica .option .label,
.inventory-menu.arcanica .option .label,
.inventory-menu .option.esoterica .label,
.inventory-menu .option.arcanica .label {
  color: #fff;
  border: 2px solid var(--accent-color);
  background: transparent;
  backdrop-filter: none;
  overflow: hidden;
}

.inventory-menu.esoterica .option .label::before,
.inventory-menu.arcanica .option .label::before,
.inventory-menu .option.esoterica .label::before,
.inventory-menu .option.arcanica .label::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent-color);
  opacity: 0.25;
  z-index: -2;
}

.inventory-menu.esoterica .option .label::after,
.inventory-menu.arcanica .option .label::after,
.inventory-menu .option.esoterica .label::after,
.inventory-menu .option.arcanica .label::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: rgba(255, 255, 255, 0.5);
  transform: skewX(-20deg);
  animation: glass-shimmer 2.5s linear infinite;
  animation-play-state: running;
  opacity: 1;
  z-index: -1;
}

@keyframes glass-shimmer {
  from { left: -100%; }
  to { left: 200%; }
}

@keyframes float {
  0%, 100% {
    transform: skewX(-10deg) translateY(0);
  }
  50% {
    transform: skewX(-10deg) translateY(-6px);
  }
}

@keyframes blue-skew {
  0% {
    transform: skewX(-40deg) skewY(-10deg);
  }
  20% {
    transform: skewX(25deg) skewY(30deg);
  }
  40% {
    transform: skewX(-30deg) skewY(-25deg);
  }
  60% {
    transform: skewX(35deg) skewY(15deg);
  }
  80% {
    transform: skewX(-20deg) skewY(35deg);
  }
  100% {
    transform: skewX(40deg) skewY(-20deg);
  }
}