.grid-container {
    display: grid;
    flex: 1;
    grid-template-rows: auto 1fr;
    grid-template-columns: 200px minmax(0, 1fr);
    grid-template-areas:
        "empty top-bar"
        "filter display";
    gap: 10px;
    overflow: visible;
}

.top-bar {
  grid-area: top-bar;
  display: flex;
  flex-direction: column;
}

.top-bar-promo-trade {
  display: flex;
}

.top-bar-panel-section {
  flex: 1 1;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.top-bar-panel-section--promo {
  flex-direction: row;
}

.display {
  grid-area: display;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
}

.display .item-card {
  transition: opacity 0.2s ease;
}

/* Keep out-of-stock cards visually muted without fading tooltip content. */
.display .item-card.item-card--out-of-stock > h2,
.display .item-card.item-card--out-of-stock > p,
.display .item-card.item-card--out-of-stock > img,
.display .item-card.item-card--out-of-stock .item-card-footer > p,
.display .item-card.item-card--out-of-stock .item-buy-controls {
  opacity: 0.7;
}

.stock-state {
  position: relative;
}

.item-card--out-of-stock .stock-state[data-next-stock] {
  cursor: help;
}

.item-card--out-of-stock .stock-state[data-next-stock]:is(:hover, :focus-visible)::after {
  content: attr(data-next-stock);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(-50%);
  min-width: 100px;
  padding: 8px 10px;
  border: var(--border-sm) solid var(--text-gold-bottom);
  background: var(--surface-850);
  color: var(--text-gold-mid);
  font-family: var(--font-text);
  text-align: center;
}

.display-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 5px;
  gap: 2px;
}

.currency-note {
  font-size: var(--font-small);
}

.qty-picker {
  display: inline-flex;
  align-items: center;
  border: var(--border-sm) solid var(--text-gold-mid);
  background: var(--button-background);
}

.qty-btn {
  width: 28px;
  height: 28px;
  border-right: var(--border-sm) solid var(--gold-border-alternate);
  background: transparent;
  color: var(--text-gold-mid);
  cursor: pointer;
  font: inherit;
}

.qty-picker .qty-btn:last-child {
  border-right: none;
  border-left: var(--border-sm) solid var(--gold-border-alternate);
}

.qty-input {
  width: 3ch;
  min-width: 3ch;
  max-width: 8ch;
  height: 28px;
  border: none;
  text-align: center;
  background: transparent;
  color: var(--text-gold-mid);
}

.qty-input:focus {
  outline: var(--border-sm) solid var(--gold-border-alternate);
  outline-offset: -1px;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}



/* Filtering related CSS */
.filter {
  display: flex;
  flex-direction: column;
  grid-area: filter;
  padding: 10px;
  align-items: center;
}

/* ===== Filter dropdown (Materials -> Moon/Ore/Planetary) ===== */
.filter-form {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
  width: 100%;
  box-sizing: border-box;
}

.filter-search {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.sort-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

#filter-search {
  border: var(--border-sm) solid var(--gold-border-alternate);
  background: var(--button-background);
  color: var(--text-gold-mid);
  padding: 6px 8px;
}

.filter-select {
  border: var(--border-sm) solid var(--gold-border-alternate);
  background: var(--button-background);
  color: var(--text-gold-mid);
  padding: 6px 8px;
  font: inherit;
}

#filter-search::placeholder {
  color: var(--text-gold-mid);
  opacity: 0.8;
}

.cart-panel {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border: var(--border-md) solid transparent;
  border-image: var(--gold-border-gradient) 1;
  background: linear-gradient(160deg, var(--surface-850), var(--surface-700));
}

.cart-panel h3,
.cart-panel p,
.cart-panel span {
  background: var(--text-gradient-gold);
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cart-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-clear {
  border: var(--border-sm) solid var(--text-gold-top);
  background: var(--button-background);
  color: var(--text-gold-mid);
  -webkit-text-fill-color: var(--text-gold-mid);
  cursor: pointer;
  padding: 4px 8px;
  transition: background-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.cart-clear:hover {
  background-color: var(--surface-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 12px var(--gold-border-alternate);
}

.cart-clear:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.cart-total {
  margin-top: 8px;
}

.cart-items {
  list-style: none;
  margin: 8px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.cart-empty {
  padding: 8px;
  border: var(--border-sm) dashed var(--gold-border-alternate);
  text-align: center;
}

.cart-item {
  border: var(--border-sm) solid var(--gold-border-alternate);
  background: var(--surface-850);
  padding: 8px;
  display: flex;
  flex-direction: column;
}

.cart-item-info {
  display: flex;
  flex-direction: column;
}

.cart-item-name {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.cart-item-price {
  font-size: 0.85rem;
  opacity: 0.9;
}

.cart-item-controls {
  display: grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.cart-item-qty {
  min-width: 20px;
  text-align: center;
}

.cart-action-btn,
.cart-remove-btn {
  border: var(--border-sm) solid var(--text-gold-top);
  background: var(--button-background);
  color: var(--text-gold-mid);
  -webkit-text-fill-color: var(--text-gold-mid);
  cursor: pointer;
  font: inherit;
  padding: 2px 8px;
  transition: background-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.cart-action-btn:hover,
.cart-remove-btn:hover {
  background-color: var(--surface-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 10px var(--gold-border-alternate);
}

.cart-remove-btn {
  grid-column: 1 / -1;
  width: 100%;
}

.qty-btn:hover {
  background-color: var(--surface-hover);
  color: var(--text-gold-mid);
  -webkit-text-fill-color: var(--text-gold-mid);
}

.cart-panel .cart-clear:focus-visible,
.cart-panel .cart-clear:active,
.cart-panel .cart-action-btn:focus-visible,
.cart-panel .cart-action-btn:active,
.cart-panel .cart-remove-btn:focus-visible,
.cart-panel .cart-remove-btn:active {
  color: var(--text-gold-mid);
  -webkit-text-fill-color: var(--text-gold-mid);
}

.filter label {
  user-select: none;
  cursor: pointer;
}

.filter-group{
  display: flex;
  flex-direction: column;
}

.filter-row{
  display: flex;
  align-items: center;
  gap: 5px;
}

/* the arrow button */
.filter-toggle{
  margin-left: auto;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  border: var(--border-sm) solid var(--gold-border-alternate);
  background: var(--button-background);
  cursor: pointer;
  position: relative;
}

/* chevron */
.filter-toggle::before{
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 8px;
  height: 8px;
  border-right: var(--border-md) solid var(--text-gold-top);
  border-bottom: var(--border-md) solid var(--text-gold-top);
  transform: rotate(45deg);
}

.filter-toggle.open::before{
  transform: rotate(-135deg);
}

.filter-sub{
  margin-left: 28px; /* lines up under the label (adjust if needed) */
  display: grid;
  gap: 2px;
}

/* Ensure hidden actually hides even if .filter-sub sets display */
.filter-sub[hidden]{
  display: none !important;
}

@media (max-width: 780px) {
  .grid-container {
    grid-template-columns: 1fr;
    grid-template-areas:
      "top-bar"
      "filter"
      "display";
  }
}