/* Hamster Hustle — backpack panel.
   All selectors scoped under .hh-root to avoid bleed into legacy IkigaiAI CSS. */

.hh-root .hh-backpack-panel {
  position: fixed;
  top: 72px;
  right: 16px;
  width: min(320px, calc(100vw - 32px));
  max-height: calc(100vh - 96px);
  display: flex;
  flex-direction: column;
  background: var(--color-bg-deep);
  border: 4px solid var(--color-gold);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: var(--z-ui);
  color: var(--color-pixel-cream);
  overflow: hidden;
  animation: hh-backpack-pop 0.18s ease-out;
}

@keyframes hh-backpack-pop {
  from { transform: translateY(-8px) scale(0.96); opacity: 0; }
  to   { transform: translateY(0)    scale(1);    opacity: 1; }
}

.hh-root .hh-backpack-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: rgba(255, 209, 102, 0.12);
  border-bottom: 2px solid var(--color-gold);
}

.hh-root .hh-backpack-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-gold);
}

.hh-root .hh-backpack-close {
  background: transparent;
  border: 0;
  color: var(--color-pixel-cream);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.hh-root .hh-backpack-close:hover,
.hh-root .hh-backpack-close:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  outline: 2px solid var(--color-gold);
}

.hh-root .hh-backpack-empty {
  margin: 0;
  padding: 24px 16px;
  text-align: center;
  color: var(--color-pixel-cream);
  opacity: 0.7;
  font-size: 16px;
}

.hh-root .hh-backpack-grid {
  list-style: none;
  margin: 0;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  overflow-y: auto;
}

.hh-root .hh-backpack-slot {
  display: block;
}

.hh-root .hh-backpack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
  padding: 8px 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  color: inherit;
  transition: background 0.12s, border-color 0.12s;
}

.hh-root .hh-backpack-item:hover,
.hh-root .hh-backpack-item:focus-visible {
  background: rgba(255, 209, 102, 0.14);
  border-color: rgba(255, 209, 102, 0.6);
  outline: none;
}

.hh-root .hh-backpack-item.is-selected {
  background: rgba(255, 209, 102, 0.28);
  border-color: var(--color-gold);
  box-shadow: 0 0 0 2px rgba(255, 209, 102, 0.35);
}

.hh-root .hh-backpack-item-sprite {
  width: 40px;
  height: 40px;
  object-fit: contain;
  image-rendering: pixelated;
}

.hh-root .hh-backpack-item-label {
  font-size: 12px;
  text-align: center;
  line-height: 1.1;
}

.hh-root .hh-backpack-footer {
  padding: 8px 12px;
  border-top: 2px solid rgba(255, 209, 102, 0.4);
  display: flex;
  justify-content: flex-end;
}

.hh-root .hh-backpack-reset {
  background: transparent;
  border: 1px solid rgba(230, 57, 70, 0.6);
  color: var(--color-hamspam-red);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
}

.hh-root .hh-backpack-reset:hover,
.hh-root .hh-backpack-reset:focus-visible {
  background: rgba(230, 57, 70, 0.12);
  outline: 2px solid var(--color-hamspam-red);
}

@media (max-width: 600px) {
  .hh-root .hh-backpack-panel {
    top: 64px;
    right: 8px;
    left: 8px;
    width: auto;
  }
  .hh-root .hh-backpack-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}