/* ===========================================================================
   Buy Equipment page (Mode 1 #7)
   Catalog browsing surface — left filter sidebar + right card grid.
   =========================================================================== */

.buy-equipment-page {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.buy-equipment-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: 6px;
}

.buy-equipment-summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.buy-equipment-summary h3 {
  margin: 0;
  color: var(--text-primary);
}

.buy-equipment-balance {
  font-weight: 600;
  color: var(--accent-red);
}

.buy-equipment-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  align-items: start;
}

@media (max-width: 768px) {
  .buy-equipment-body {
    grid-template-columns: 1fr;
  }
}

/* --- Filter sidebar --- */

.buy-equipment-filters {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: 6px;
  position: sticky;
  top: 1rem;
}

.buy-category-list h4 {
  margin: 0 0 0.5rem 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.buy-category-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.buy-category-list .button {
  width: 100%;
  text-align: left;
  text-transform: capitalize;
}

/* --- Item grid --- */

.buy-item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.buy-item-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: 6px;
  transition: border-color 0.15s ease;
}

.buy-item-card:hover {
  border-color: var(--accent-red);
}

.buy-item-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.buy-item-name {
  font-weight: 600;
  color: var(--text-primary);
}

.buy-item-cost {
  color: var(--accent-red);
  font-weight: 600;
  white-space: nowrap;
}

.buy-item-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: capitalize;
}

.buy-item-props,
.buy-item-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.buy-item-desc {
  margin: 0.25rem 0 0 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.buy-item-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.4rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-primary);
}

.buy-item-qty {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.buy-item-qty input {
  width: 4rem;
  padding: 0.25rem 0.4rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
  border-radius: 4px;
}

/* Inventory section "Buy Equipment" + "Add Item" buttons live side-by-side */
.section-header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}