/* ---------- Item Store 🎒 (Trader Nova's Supplies) ----------
   All classes are prefixed istr- to avoid collisions. Uses the global design tokens
   (--ink/--chalk/--yellow/--coral/--sky/--wood) and the global .btn styles; this file
   only adds the shelf/backpack layout on top. */

.istr-wrap{
  padding: 4px 2px 10px;
}

/* Header: back button (top-left), big Patrick Hand title, cash chip */
.istr-header{
  position: relative;
  text-align: center;
  margin-bottom: 16px;
  padding-top: 4px;
}
.istr-back{
  position: absolute;
  top: 0; left: 0;
  font-size: 14px;
}
.istr-title{
  font-family: 'Patrick Hand', cursive;
  font-size: clamp(26px, 6vw, 38px);
  margin: 30px 0 2px;
  color: var(--chalk);
  text-shadow: 0 0 12px rgba(244,241,232,0.15);
}
.istr-tagline{
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--chalk-dim);
  font-style: italic;
}
.istr-cash-chip{
  display: inline-block;
  background: rgba(242,193,78,0.14);
  border: 1px solid var(--yellow);
  color: var(--yellow);
  border-radius: 999px;
  padding: 5px 16px;
  font-weight: 700;
  font-size: 17px;
}

/* Shop shelf: responsive card grid */
.istr-shelf{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}
.istr-card{
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  background: rgba(244,241,232,0.06);
  border: 1px solid rgba(244,241,232,0.14);
  border-radius: 14px;
  padding: 14px 10px 12px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.istr-card:hover{
  transform: translateY(-3px);
  border-color: var(--sky);
}
.istr-icon{
  font-size: 42px;
  line-height: 1;
}
.istr-name{
  font-family: 'Patrick Hand', cursive;
  font-size: 21px;
  color: var(--chalk);
}
.istr-desc{
  font-size:14px;
  font-weight: 600;
  color: var(--chalk-dim);
  min-height: 32px;
}
.istr-owned{
  position: absolute;
  top: 8px; right: 8px;
  background: var(--sky);
  color: var(--ink);
  font-size:14px;
  font-weight: 700;
  border-radius: 999px;
  padding: 2px 8px;
}
.istr-buy-row{
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}
.istr-buy, .istr-buy5{
  font-size: 15px;
  padding: 8px 14px;
}
.istr-buy:disabled{
  opacity: 0.45;
  cursor: not-allowed;
}
.istr-short{
  font-size:14px;
  font-weight: 700;
  color: var(--coral);
}

/* Backpack: one row per owned item */
.istr-section-title{
  font-family: 'Patrick Hand', cursive;
  font-size: 24px;
  color: var(--chalk);
  margin: 0 0 8px;
  border-bottom: 1px dashed rgba(244,241,232,0.25);
  padding-bottom: 4px;
}
.istr-backpack{
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.istr-pack-row{
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(244,241,232,0.05);
  border: 1px solid rgba(244,241,232,0.12);
  border-radius: 12px;
  padding: 8px 12px;
}
.istr-pack-icon{
  font-size: 26px;
  line-height: 1;
}
.istr-pack-name{
  flex: 1;
  font-weight: 700;
  font-size: 15px;
  color: var(--chalk);
}
.istr-pack-count{
  color: var(--yellow);
  margin-left: 4px;
}
.istr-use{
  font-size: 14px;
  padding: 6px 16px;
}
.istr-note{
  font-size:14px;
  font-weight: 700;
  color: var(--chalk-dim);
}
.istr-armed{
  color: var(--coral);
}
.istr-empty{
  text-align: center;
  color: var(--chalk-dim);
  font-weight: 600;
  padding: 14px 6px;
}

/* Narrow screens: tighter grid, stacked backpack rows stay readable */
@media (max-width: 640px){
  .istr-shelf{
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 8px;
  }
  .istr-icon{ font-size: 34px; }
  .istr-title{ margin-top: 38px; }
  .istr-back{ font-size:14px; padding: 6px 10px; }
  .istr-pack-row{ flex-wrap: wrap; }
}

/* Respect reduced-motion: no hover lift */
@media (prefers-reduced-motion: reduce){
  .istr-card{ transition: none; }
  .istr-card:hover{ transform: none; }
}